Convair B-58 Hustler
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The Convair B-58 Hustler, designed and produced by American aircraft manufacturer Convair, was the first operational
bomber A bomber is a military combat aircraft that utilizes air-to-ground weaponry to drop bombs, launch aerial torpedo, torpedoes, or deploy air-launched cruise missiles. There are two major classifications of bomber: strategic and tactical. Strateg ...
capable of Mach 2 flight. The B-58 was developed during the 1950s for the
United States Air Force The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...
(USAF)
Strategic Air Command Strategic Air Command (SAC) was a United States Department of Defense Specified Command and a United States Air Force (USAF) Major Command responsible for command and control of the strategic bomber and intercontinental ballistic missile compon ...
(SAC). To achieve the high speeds desired, Convair chose a delta wing design used by contemporary interceptors such as the Convair F-102. The bomber was powered by four General Electric J79 engines in underwing pods. It had no bomb bay; it carried a single
nuclear weapon A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission or atomic bomb) or a combination of fission and fusion reactions (thermonuclear weapon), producing a nuclear exp ...
plus fuel in a combination bomb/fuel pod underneath the fuselage. Later, four external hardpoints were added, enabling it to carry up to five weapons such as one Mk 53 and four Mk 43 warheads. The B-58 entered service in March 1960, and flew for a decade with two SAC bomb wings: the 43rd Bombardment Wing and the 305th Bombardment Wing. It was considered difficult to fly, imposing a high workload upon its three-man crews. Designed to replace the subsonic Boeing B-47 Stratojet strategic bomber, the B-58 became notorious for its sonic boom heard on the ground by the public as it passed overhead in supersonic flight. The B-58 was designed to fly at high altitudes and supersonic speeds to avoid
Soviet The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
interceptors, but with the Soviet introduction of high-altitude surface-to-air missiles, the B-58 was forced to adopt a low-level penetration role that severely limited its range and strategic value. It was never used to deliver conventional bombs. The B-58 was substantially more expensive to operate than other bombers, such as the
Boeing B-52 Stratofortress The Boeing B-52 Stratofortress is an American long-range, subsonic aircraft, subsonic, jet-powered strategic bomber. The B-52 was designed and built by Boeing, which has continued to provide support and upgrades. It has been operated by the ...
, and required more frequent
aerial refueling Aerial refueling ( en-us), or aerial refuelling ( en-gb), also referred to as air refueling, in-flight refueling (IFR), air-to-air refueling (AAR), and tanking, is the process of transferring aviation fuel from one aircraft (the tanker) to an ...
. The B-58 also suffered from a high rate of accidental losses. These factors resulted in a relatively brief operational career of ten years. The B-58 was succeeded in its role by the smaller, swing-wing .


Development


Origins

The genesis of the B-58 was the Generalized Bomber Study (GEBO II) issued in February 1949 by the Air Research and Development Command (ARDC) at Wright-Patterson AFB, Ohio, for the development of a supersonic, long-range, manned bomber aircraft. ARDC sought the best attainable quantitative data, challenging the industry to devise their own solutions to attain the stated goal. Work on the proposed bomber's design was to begin less than two years after sustained supersonic flight had been achieved.Miller 1976, p. 24. According to aviation authors Bill Gunston and Peter Gilchrist, while some military officials were keenly interested in the prospective use of supersonic bombers, others held doubts about the propulsion systems and
materials science Materials science is an interdisciplinary field of researching and discovering materials. Materials engineering is an engineering field of finding uses for materials in other fields and industries. The intellectual origins of materials sci ...
required for supersonic operations, as well as the much higher fuel consumption relative to subsonic counterparts.Gunston and Gilchrist 1993, p. 172. Despite the skepticism, multiple contractors submitted bids for GEBO II, which was viewed as an influential step towards a development contract. These included
Boeing The Boeing Company, or simply Boeing (), is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide. The company also provides leasing and product support s ...
, Convair, Curtiss, Douglas,
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, and
North American Aviation North American Aviation (NAA) was a major American aerospace manufacturer that designed and built several notable aircraft and spacecraft. Its products included the T-6 Texan trainer, the P-51 Mustang fighter, the B-25 Mitchell bomber, the F- ...
. Most of the submissions were relatively straightforward, unambitious, and expensive.Gunston and Gilchrist 1993, p. 173. Convair, which had built the XF-92A and other delta-wing fighters, evaluated swept and semidelta configurations, then settled on the delta wing, which offered good internal volume for support systems and fuel. It also provided low wing loading for the airframe size, permitting supersonic flight in the midstratosphere at . Most of the configurations studied mated the delta wing to a relatively slender fuselage housing a crew of two and powered by a pair of jet engines. The Convair proposal, coded ''FZP-110'', was a radical, two-place, delta-wing bomber powered by three General Electric J53
turbojet The turbojet is an airbreathing jet engine which is typically used in aircraft. It consists of a gas turbine with a propelling nozzle. The gas turbine has an air inlet which includes inlet guide vanes, a compressor, a combustion chamber, and ...
engines. The performance estimates included a speed and a range. A key feature of the design was to store consumables, both weaponry and most of the fuel, within a large external pod, which enabled a smaller fuselage. In January 1951, Convair submitted the FZP-110 proposal, which was received later than other competing bids. During December 1951, a revised ''FZP-016'' proposal was submitted, which deleted the third engine on the tail, increased the remaining two engines' thrust, and added a third crew member to operate defensive systems.


Selection

The USAF chose Boeing's ''MX-1712'' and Convair ''MX-1626'' design studies to proceed to a phase 1 study. During this period, Convair took advantage of recent developments by General Electric and replaced the two large J53 engines with four smaller J79s optimized for supersonic flight.Gunston and Gilchrist 1993, pp. 173-174. The recently formulated area rule was also applied to the design, resulting in aerodynamic reprofiling and an even more slender fuselage. Having been refined, Convair redesignated their renewed submission ''MX-1964''. In August 1952, Convair's design was judged superior. According to Gunston and Gilchrist, Boeing's submission was viewed as equally good, but their separate contract to produce the Boeing B-52 Stratofortress had undoubtedly influenced this competition.Gunston and Gilchrist 1993, p. 174. In December 1952, Convair was chosen to meet the new SAB-51 (Supersonic Aircraft Bomber) and SAR-51 (Supersonic Aircraft Reconnaissance) standards, the first general operational requirements for supersonic bombers. In February 1953, the USAF issued a contract for Convair's design, designated ''B-58'' on 10 December 1952.Gunston and Gilchrist 1993, p. 175. The B-58 program, unlike those for prior military aircraft, was the first weapon-system contract.Gunston and Gilchrist 1993, pp. 174-175. Under this arrangement, Convair acted as the prime contractor responsible for all program elements, not just the aircraft. Convair was required to devise or subcontract everything associated with the aircraft's operation, from the engines to training manuals, spare components, and software, in excess of one million items. Early on, the contract was modified to build a pair of ''XB-58'' prototypes, 11 ''YB-58A'' preproduction aircraft, and 31 mission pods including a free-fall bomb pod, a
rocket A rocket (from , and so named for its shape) is a vehicle that uses jet propulsion to accelerate without using any surrounding air. A rocket engine produces thrust by reaction to exhaust expelled at high speed. Rocket engines work entirely ...
-propelled controllable bomb pod, a
reconnaissance In military operations, military reconnaissance () or scouting is the exploration of an area by military forces to obtain information about enemy forces, the terrain, and civil activities in the area of operations. In military jargon, reconnai ...
pod, and an electronic reconnaissance pod.


Into flight

The first prototype, serial number 55-660, was rolled out on 31 August 1956. The program was performed under high security; prior to the roll out, no unauthorized individual had knowledge of its shape or basic configuration. On 11 November 1956, the
maiden flight The maiden flight, also known as first flight, of an aircraft is the first occasion on which it leaves the ground under its own power. The same term is also used for the first launch of rockets. In the early days of aviation it could be dange ...
occurred. The prototype exceeded Mach 1 for the first time on 30 December of that year. The difficult and protracted flight-test program involving 30 aircraft continued until April 1959.Miller 1985, p. 54. In total, 116 B-58s were produced - 30 trial aircraft and 86 production ''B-58A'' models. Most of the trial aircraft were later upgraded to operational standards. Eight were equipped as ''TB-58A'' training aircraft. Convair sought further development of the B-58, proposing variants and derivatives for both military and civilian applications. Most never went beyond the drawing board, having been ordered prior to the decision to terminate multiple contracts. The ''B-58B'', ''B-58C'', ''B-58D'', and ''B-58E'' variants were all terminated prior to completion of any production aircraft. During the late 1960s, some refinements to the existing fleet were developed and introduced, such as slender bomb racks (known as "multiple weapons capability") and additional pods.Gunston and Gilchrist 1993, p. 178. The final B-58 was delivered in October 1962.


Design


Overview

The Convair B-58 Hustler was a high-speed strategic bomber, capable of routinely attaining Mach 2 at altitude. It incorporated a large delta wing with a leading-edge sweep of 60°, and was powered by an arrangement of four General Electric J79-GE-1 turbojet engines. Although its sizable wing generated relatively low
wing loading In aerodynamics, wing loading is the total weight of an aircraft or flying animal divided by the area of its wing. The stalling speed, takeoff speed and landing speed of an aircraft are partly determined by its wing loading. The faster an airc ...
, it proved to be surprisingly well suited for low-altitude, high-speed flight. To protect against the heat generated while cruising at Mach 2, the crew compartment, wheel wells, and electronics bay were pressurized and air conditioned. The B-58 was one of the first extensive applications of
aluminum Aluminium (or aluminum in North American English) is a chemical element; it has chemical symbol, symbol Al and atomic number 13. It has a density lower than that of other common metals, about one-third that of steel. Aluminium has ...
honeycomb panels, which bonded outer and inner aluminum skins to a honeycomb of aluminum or
fiberglass Fiberglass (American English) or fibreglass (English in the Commonwealth of Nations, Commonwealth English) is a common type of fibre-reinforced plastic, fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened i ...
. Various features of the B-58 were considered to be record-breaking, according to Gunston and Gilchrist.Gunston and Gilchrist 1993, pp. 175-176. The structure itself made up 13.8% of the aircraft's gross weight, an exceptionally low figure for the era, while the wing was considered to be extremely thin, as well. Several key features of the engine, including the nacelle and the inlet, were unlike any existing aircraft, having been devised from guidance by aerodynamicists. Specifically, the inlets used moving conical spikes, being fully aft on the ground and at low speeds to maximize air intake, then driven forward while being flown at high speeds to minimize the annular gap. This movement was automatically controlled, but significant noise and asymmetric thrust were generated in the event of a single inlet malfunctioning.Gunston and Gilchrist 1993, p. 176.


Crew provisions

The B-58 was operated by a crew of three: pilot (the aircraft commander or "AC"), radar navigator/bombardier ("Nav"), and defense systems operator ("DSO"). They were seated in separated tandem cockpits. The AC's cockpit, which was provided with very deep windows, was considered to be mostly conventional for a large multiengine aircraft. The DSO was provisioned with a complex arrangement of different systems, which Gunston and Gilchrist describe as being the most complicated of any aircraft of the era. The space allocated to the crew, despite being roughly half of the fuselage's internal volume, was typically considered to be cramped and claustrophobic.Gunston and Gilchrist 1993, pp. 176-177. Later versions of the B-58 provided each crew member with a novel ejection capsule that could eject at an altitude of at speeds up to
Mach The Mach number (M or Ma), often only Mach, (; ) is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a Boundary (thermodynamic), boundary to the local speed of sound. It is named after the Austrian physi ...
2. Unlike standard ejection seats of the period, a protective clamshell enclosed the seat and the control stick with an attached oxygen cylinder, allowing the AC to continue to fly even "turtled up" and ready for immediate egress. The capsule was buoyant; the crewmember could open the clamshell and use it as a life raft.Gunston and Gilchrist 1993, p. 177. Unusually, the ejection system was tested with live
bear Bears are carnivoran mammals of the family (biology), family Ursidae (). They are classified as caniforms, or doglike carnivorans. Although only eight species of bears are extant, they are widespread, appearing in a wide variety of habitats ...
s and
chimpanzee The chimpanzee (; ''Pan troglodytes''), also simply known as the chimp, is a species of Hominidae, great ape native to the forests and savannahs of tropical Africa. It has four confirmed subspecies and a fifth proposed one. When its close rel ...
s; it was qualified for use during 1963 and a bear became the first living being to survive a supersonic ejection. The electronic controls were ambitious and advanced for the day. The Nav and DSO's cockpits featured wraparound dashboards with warning lights and buttons, and automatic voice messages and warnings from a tape system were audible through the helmet sets. Research during the era of all-male combat aircraft assignments revealed that a woman's voice was more likely to gain the attention of young men in distracting situations. Nortronics Division of
Northrop Corporation Northrop Corporation was an American aircraft manufacturer from its formation in 1939 until its 1994 merger with Grumman to form Northrop Grumman. The company is known for its development of the flying wing design, most successfully the B-2 Spiri ...
selected actress and singer Joan Elms to record the automated voice warnings. To those flying the B-58, the voice was known as "Sexy Sally". The original voice recordings are archived.


Adverse flight characteristics

While the B-58's performance and design were exceptional for the era, it was not an easy aircraft to fly. This was caused by the 60° leading-edge sweepback of its wing and was inherent in these types of delta-wing platforms. It required a much higher
angle of attack In fluid dynamics, angle of attack (AOA, α, or \alpha) is the angle between a Airfoil#Airfoil terminology, reference line on a body (often the chord (aircraft), chord line of an airfoil) and the vector (geometry), vector representing the relat ...
than a conventional aircraft, up to 9.4° at Mach 0.5 at low altitudes. If the angle of attack was too high, in excess of 17°, the bomber could pitch up and enter a spin. Several factors could prevent a successful recovery; if the pilot applied elevon, if the center of gravity was not correctly positioned, or if the spin occurred below , recovery might not be possible. The B-58 also possessed unconventional stall characteristics; if the nose was elevated, the bomber maintained forward motion without pitching down. Unless large amounts of power were applied, the descent rate increased rapidly. Another problem pilots faced was called "fuel stacking", taking place whenever the B-58 accelerated or decelerated. It was caused by fuel movement within the tanks, which led to sudden changes in the aircraft's center of gravity. This could cause the B-58 to abruptly pitch or bank, potentially resulting in a loss of control.Slad
2012, p. 238.
/ref> The aircraft had unusual takeoff requirements, with a 14° angle of attack needed for the
rotation Rotation or rotational/rotary motion is the circular movement of an object around a central line, known as an ''axis of rotation''. A plane figure can rotate in either a clockwise or counterclockwise sense around a perpendicular axis intersect ...
near for a combat weight. This poor takeoff performance was evident with the high landing speed, necessitating a drogue parachute for braking, which was also required for B-47 and B-52 aircraft. To accommodate the high landing speed, the specially configured
landing gear Landing gear is the undercarriage of an aircraft or spacecraft that is used for taxiing, takeoff or landing. For aircraft, it is generally needed for all three of these. It was also formerly called ''alighting gear'' by some manufacturers, s ...
had to handle excessive conditions; both the inflation pressure and wheel rotation speed were far greater than in prior units.


Weapons systems

The Sperry AN/ASQ-42 bombing/navigation system combined a sophisticated
inertial navigation system An inertial navigation system (INS; also inertial guidance system, inertial instrument) is a navigation device that uses motion sensors (accelerometers), rotation sensors (gyroscopes) and a computer to continuously calculate by dead reckoning th ...
with the KS-39 star tracker ( astro-inertial navigation system) to provide a heading reference, the AN/APN-113 Doppler radar to provide ground speed and windspeed data, a search radar to provide range data for bomb release and trajectory, and a radar altimeter.Miller 1985, p. 105. The AN/ASQ-42 was estimated to be 10 times more accurate than any previous bombing/navigation system. Defensive armament consisted of a single 20 mm (0.79 in) T-171E-3 rotary cannon with 1,200 rounds of ammunition in a radar-aimed tail barbette. It was remotely controlled through the Emerson MD-7 automated radar fire-control system, only requiring the DSO to lock on a selected target blip on his scope and then fire the gun. The system computed aiming, velocity, or heading differential, and range compensation. Offensive armament typically consisted of a single
nuclear weapon A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission or atomic bomb) or a combination of fission and fusion reactions (thermonuclear weapon), producing a nuclear exp ...
, along with fuel tanks, in a streamlined MB-1C pod under the fuselage. Incurable difficulties with fuel leakage resulted in the replacement of the MB-1C with the two-component pod (TCP), which placed the nuclear weapon in an upper section, while the lower fuel component could be independently jettisoned. This had the added benefit of allowing the pilot to "clean up" the aircraft for fuel efficiency or in case of emergency, while still retaining the (somewhat) slimmer weapon. From 1961 to 1963, the B-58 was retrofitted with two tandem stub pylons under each wing root, adjacent to the centerline pod, for B43 or B61 nuclear weapons. This allowed for a total of five nuclear weapons per aircraft. Although the USAF looked at using the B-58 for conventional strikes, it was never equipped for carrying or dropping conventional bombs. A photo
reconnaissance In military operations, military reconnaissance () or scouting is the exploration of an area by military forces to obtain information about enemy forces, the terrain, and civil activities in the area of operations. In military jargon, reconnai ...
pod, the LA-331, was also fielded. Several other specialized pods for
electronic countermeasures An electronic countermeasure (ECM) is an electrical or electronic device designed to countermeasure, trick or deceive radar, sonar, or other detection systems, like infrared (IR) or lasers. It may be used both offensively and defensively to deny ...
or an early
cruise missile A cruise missile is an unmanned self-propelled guided missile that sustains flight through aerodynamic lift for most of its flight path. Cruise missiles are designed to deliver a large payload over long distances with high precision. Modern cru ...
were considered, but not adopted. The late-1950s High Virgo air-launched ballistic missile was designed to be launched from the B-58; a Hustler carried out four test launches to determine ballistic missile and antisatellite weapon-system capability.


Operational history


Introduction

On 1 August 1960, the B-58 was declared operational, nine months after the delivery of the first aircraft to the USAF. One month later, a single B-58 participated in the annual SAC Combat Competition at Bergstrom; it proved itself to be superior to competing Boeing B-47 Stratojets and Boeing B-52 Stratofortresses, securing first place in both high-level and low-level radar bombing exercises. Crews were typically chosen from other strategic bomber squadrons. Due to some characteristics of delta-winged aircraft, new pilots used the Convair F-102 Delta Dagger as a conversion trainer before moving to the TB-58A trainer. The B-58 was found to be difficult to fly, and its three-man crews were constantly busy, but its performance was exceptional. A lightly loaded Hustler could climb at nearly 46,000 ft/min (235 m/s).


Excessive program expenditure

In addition to its much smaller weapons load and more limited range than the B-52, the B-58 had been extremely expensive to acquire. Through FY 1961, the total cost of the B-58 program was $3 billion ($ billion in dollars). A highly complex aircraft, it also required considerable maintenance, much of which required specialized equipment and ground personnel. For comparison, the average maintenance cost per flying hour for the B-47 was $361, for the B-52 it was $1,025, and for the B-58 it was $1,440. The B-58 cost one-third more to operate than the B-52. The cost of maintaining and operating the two operational B-58 wings (39 aircraft per wing) equaled that of six wings of B-52s (only 15 aircraft per wing). Because of the support costs of six wings vs only two wings, the actual cost per aircraft of the B-52s was $1.42 million per year vs $1.21 million per year for the B-58 (this figure included special detailed maintenance for the nose landing gear, which retracted in a complex fashion to avoid the center payload).Hall, R. Cargill
"The B-58 Bomber."
''Air University Review'', Research Division, at the Albert F. Simpson Historical Research Center, Maxwell AFB, Alabama, November–December 1981. Retrieved: 14 February 2015.
Compounding these exorbitant costs, the B-58 had a high accident rate; 26 B-58 aircraft were lost in accidents, or 22.4% of total production, and more than half of the losses occurred during flight tests. The SAC senior leadership had been doubtful about the aircraft type from the beginning, although its crews eventually became enthusiastic about the aircraft. General Curtis LeMay was never satisfied with the bomber, and after a flight in one declared that it was too small, far too expensive to maintain in combat readiness, and required an excessive number of
aerial refueling Aerial refueling ( en-us), or aerial refuelling ( en-gb), also referred to as air refueling, in-flight refueling (IFR), air-to-air refueling (AAR), and tanking, is the process of transferring aviation fuel from one aircraft (the tanker) to an ...
s to complete a mission. Although the high-altitude ferry range of the B-58 was better than that of the B-47, the lack of forward basing resulted in a requirement for more KC-135 tanker support.


Operational wings and retirement

Two SAC bomb wings operated the B-58 during its operational service - the 43rd Bombardment Wing (which later transitioned to the 43rd Airlift Wing), based at Carswell AFB, Texas, from 1960 to 1964, and Little Rock AFB, Arkansas, from 1964 to 1970; and the 305th Bombardment Wing, based at Bunker Hill AFB (later Grissom AFB), Indiana, from 1961 to 1970. The 305th also operated the B-58 combat crew training school, the predecessor of the USAF's formal training units. By the time the early problems had largely been resolved and SAC interest in the bomber had solidified, Secretary of Defense
Robert McNamara Robert Strange McNamara (; June 9, 1916 – July 6, 2009) was an American businessman and government official who served as the eighth United States secretary of defense from 1961 to 1968 under presidents John F. Kennedy and Lyndon B. Johnson ...
decided that the B-58 was not a viable weapon system. During the B-58's introduction, high-altitude Soviet
surface-to-air missile A surface-to-air missile (SAM), also known as a ground-to-air missile (GTAM) or surface-to-air guided weapon (SAGW), is a missile designed to be launched from the ground or the sea to destroy aircraft or other missiles. It is one type of anti-ai ...
s became a threat, especially the SA-2 Guideline, a system the
Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
extensively deployed. The solution to this problem was to fly at low altitudes, out of the line-on-sight of the S-75s. Because of dense air at low altitudes, the B-58 could not fly at supersonic speeds and its moderate range was reduced further, negating the costly high-speed performance of the aircraft. Despite shortcomings, the type had its advocates within the service; according to Gunston and Gilchrist, when Secretary McNamara had requested proposals for a new crewed Mach 2 bomber, General Thomas S. Power responded with a request for the B-58 to be put back into production. In late 1965, McNamara ordered retirement of the B-58 by 1970; the principal reason given for this directive was the high sustainment cost for the fleet. On 29 October 1969, the Department of Defense announced that the type would be withdrawn from service on 31 January 1970.Gunston and Gilchrist 1993, p. 179. Despite efforts of some officials within the USAF to secure a reprieve, the phaseout proceeded on schedule. The last B-58s were retired in January 1970, after which they were placed into storage with the Military Aircraft Storage and Disposition Center at Davis-Monthan Air Force Base. The fleet survived intact until 1977, when nearly all remaining aircraft were sold to Southwestern Alloys for disposal. As a weapon system, the B-58 was replaced by the FB-111A. This aircraft was designed for low-altitude attack, to be more flexible with the carriage of conventional weapons, and less expensive to produce and maintain. Since B-58 pilots were the only USAF pilots experienced in long-duration supersonic flight, several former Hustler crew members were selected by Colonel Douglas Nelson to fly the
Lockheed SR-71 Blackbird The Lockheed SR-71 "Blackbird" is a retired long-range, high-altitude, Mach 3+ strategic reconnaissance aircraft developed and manufactured by the American aerospace company Lockheed Corporation. Its nicknames include " Blackbird" and ...
at the start of that program.


Test aircraft

Several B-58s were used for special trials. One was specially modified to test the Hughes radar system intended for the
Lockheed YF-12 The Lockheed YF-12 is an American Mach number, Mach 3+ capable, high-altitude interceptor aircraft, interceptor prototype, developed and manufactured by American aerospace company Lockheed Corporation. The interceptor was developed duri ...
interceptor Interceptor may refer to: Arts and entertainment Film and television * ''The Interceptor'', a British drama series on BBC One * Interceptor (game show), ''Interceptor'' (game show), a British television game show that ran during 1989 * Interc ...
and the North American F-108 Rapier, which had an extended nose to accommodate the radar and was nicknamed "Snoopy" (see Aircraft on Display). Several improved (and usually enlarged) variants, named ''B-58B'' and ''B-58C'' by the manufacturer, were proposed, but never built.


World records

The B-58 set 19 speed records, including cross-US, and the longest supersonic flight in history. In 1963 it flew from Tokyo to London (via Alaska), a distance of , with five aerial refuelings in 8 hours, 35 minutes, 20.4 seconds, averaging . , this record still stands. The aircraft was serving in an operational unit and had not been modified in any way besides being washed and waxed. One of the goals of the flight was to push the limit of its new honeycomb construction technique. The speed of the flight was limited only by the speed at which they believed the honeycomb panels would delaminate, although one of the afterburners malfunctioned and the last hour of the flight was continued at subsonic speed. This reduced the average speed to roughly Mach 1.5, despite most of the flight being at Mach 2. This B-58 was called ''Greased Lightning'', which was the codename for the record attempt. A B-58 set the FAI record for altitude with a 5000-kg payload: 26000 m. Some of the record-winning aerospace trophies the B-58 won were the Bleriot Trophy, the Thompson Trophy, the Mackay Trophy, the Bendix Trophy, and the Harmon Trophy.Gunston and Gilchrist 1993, pp. 178-179. Singer
John Denver Henry John Deutschendorf Jr. (December 31, 1943 – October 12, 1997), known professionally as John Denver, was an American Country music, country and Folk music, folk singer, songwriter, and actor. He was one of the most popular acoustic m ...
's father, Lieutenant Colonel Henry J. Deutschendorf Sr., USAF, held several speed records as a B-58 pilot.


Variants

* XB-58: Prototype; two built * YB-58A: Pre-production aircraft; 11 built * B-58A: Three-seat medium-range strategic bomber aircraft; 86 built * TB-58A: Training aircraft, eight conversions from YB-58A * NB-58A: This designation was given to a YB-58A used to test the General Electric J93 engine, originally intended for the
North American XB-70 Valkyrie The North American Aviation XB-70 Valkyrie is a retired prototype version of the planned nuclear-armed, deep-penetration supersonic strategic bomber for the United States Air Force Strategic Air Command. Designed in the late 1950s by North A ...
Mach 3 bomber. * RB-58A: Variant with ventral reconnaissance pod; 17 built * B-58B: Unbuilt. Larger and faster than the B-58A, this version would have had uprated J79-GE-9 engines, a longer fuselage for extra fuel capacity, canards, and the ability to carry conventional weapons. A prototype B-58B was ordered (S/N 60-1109) and a total purchase of 185 envisioned, but the entire project was canceled before construction began, due to budgetary considerations. The B variant was also planned to be the
mothership A mother ship, mothership or mother-ship is a large vehicle that leads, serves, or carries other smaller vehicles. A mother ship may be a maritime ship, aircraft, or spacecraft. Examples include bomber aircraft, bombers converted to carry exp ...
for a Mach 4
parasite Parasitism is a Symbiosis, close relationship between species, where one organism, the parasite, lives (at least some of the time) on or inside another organism, the Host (biology), host, causing it some harm, and is Adaptation, adapted str ...
called the
FISH A fish (: fish or fishes) is an aquatic animal, aquatic, Anamniotes, anamniotic, gill-bearing vertebrate animal with swimming fish fin, fins and craniate, a hard skull, but lacking limb (anatomy), limbs with digit (anatomy), digits. Fish can ...
, for First Invisible Super Hustler. That FISH had three
ramjet A ramjet is a form of airbreathing jet engine that requires forward motion of the engine to provide air for combustion. Ramjets work most efficiently at supersonic speeds around and can operate up to . Ramjets can be particularly appropriat ...
s that would be ignited at an altitude of at least and speeds over Mach 2. The Super Hustler would then drop from the B-58B, climb to , and accelerate to Mach 4.2 to complete its mission. * B-58C: Unbuilt. Proposed as a cheaper alternative to the XB-70, this enlarged version would have carried more fuel and J58 engines, the same ones used on the Lockheed SR-71. Design studies were conducted with two- and four-engine designs. Capable of carrying conventional weapons, the C model had an estimated top speed approaching Mach 3, a supercruise capability of about Mach 2, a service ceiling of about , and a maximum range of . As enemy defenses against high-speed, high-altitude penetration bombers improved, the value of the B-58C diminished and the program was canceled in early 1961. * B-58D: Unbuilt. Proposed as an
interceptor aircraft An interceptor aircraft, or simply interceptor, is a type of fighter aircraft designed specifically for the defensive interception role against an attacking enemy aircraft, particularly bombers and reconnaissance aircraft. Aircraft that are c ...
, taking advantage of its speed and high altitude performance. * B-58E: Unbuilt. Proposed as a multi-mission platform, to have been armed with numerous air-launched ballistic missiles (ALBM). * Convair Model 58-9: a proposed supersonic transport. First developed by Convair in 1961, it was intended to carry 58 passengers at speed in excess of Mach 2. Multiple revisions of this proposal was submitted to
Congress A congress is a formal meeting of the representatives of different countries, constituent states, organizations, trade unions, political parties, or other groups. The term originated in Late Middle English to denote an encounter (meeting of ...
as Convair's bid for the National Supersonic Transport program.


Operators

; *
United States Air Force The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...
** 43rd Bombardment WingCarswell AFB,
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
(1960–1964); Little Rock AFB,
Arkansas Arkansas ( ) is a landlocked state in the West South Central region of the Southern United States. It borders Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, Texas to the southwest, and Oklahoma ...
(1964–1970) *** 63rd Bombardment Squadron, Medium *** 64th Bombardment Squadron, Medium *** 65th Bombardment Squadron, Medium ***6592nd Test Squadron ***3958th Operational Test and Evaluation Squadron (1958–1960) ** 305th Bombardment WingBunker Hill (later Grissom AFB),
Indiana Indiana ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Michigan to the northwest, Michigan to the north and northeast, Ohio to the east, the Ohio River and Kentucky to the s ...
(1961–1970) *** 364th Bombardment Squadron, Medium *** 365th Bombardment Squadron, Medium *** 366th Bombardment Squadron, Medium **
Air Force Flight Test Center The Air Force Test Center (AFTC) is a development and test organization of the United States Air Force. It conducts research, development, test, and evaluation of aerospace systems from concept to deployment. It has test flown every aircraft in ...
Edwards AFB,
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
(1956–1958)


Accidents and incidents

Out of 116 B-58 Hustlers produced, 24 were lost in crashes. This represents a loss rate of approximately 21% of the total number produced. On October 27, 1959, a Convair B-58 Hustler jet bomber was being flown from Carswell Air Force Base near
Fort Worth, Texas Fort Worth is a city in the U.S. state of Texas and the county seat of Tarrant County, Texas, Tarrant County, covering nearly into Denton County, Texas, Denton, Johnson County, Texas, Johnson, Parker County, Texas, Parker, and Wise County, Te ...
, to
Eglin Air Force Base Eglin Air Force Base is a United States Air Force (USAF) base in the western Florida panhandle, located about southwest of Valparaiso, Florida, Valparaiso in Okaloosa County, Florida, Okaloosa County. The host unit at Eglin is the 96th Test ...
in Florida. Three civilian crew members were aboard: the pilot, Everette Wheeler, and two flight engineers, Michael Keller and Harry Blosser. At about 7:30 p.m., the plane was flying at about when it developed a problem, and all three crew members ejected from the plane. Keller and Wheeler both landed safely, though Wheeler suffered a broken arm, but Blosser didn't survive. His body was found early the next morning in a field, still strapped into his ejection seat and the parachute open. The plane crashed in Mississippi, on a field in Lake Shady (today Lake Serene) about south of U.S. Route 98, leaving a crater deep and wide. After the crash, between 30 and 40 Air Force personnel were sent to investigate. They set up a temporary headquarters in the Oak Grove School auditorium. Anyone who found wreckage was asked to turn it in. On April 22, 1960, a B-58 crashed into Great Salt Lake, Utah. Only the DSO survived. On June 3, 1961, B-58A ''59-2451'' ''The Firefly'' crashed near the
Paris Air Show The Paris Air Show (, ''Salon du Bourget'') is a trade fair and air show held in odd years at Paris–Le Bourget Airport in France. Organized by the French aerospace industry's primary representative body, the ''Groupement des industries frança ...
, killing all three on board. The aircraft had, only eight days earlier and with a different crew, made a supersonic transatlantic crossing between Washington, D.C. and Paris in a Fédération Aéronautique Internationale (FAI) World Record Speed of 1,687.69 kilometers per hour (1,048.68 miles per hour) in 3 hours, 39 minutes, 49 seconds. In September 1961, a B-58 on training flight from Carswell Air Force Base suffered a fire and failure of the left main gear. A chase aircraft was sent to examine the aircraft in flight. Through the night, eight sessions of aerial refuelling were conducted, using an improved technique and, once daylight broke, a successful emergency landing was made at
Edwards Air Force Base Edwards Air Force Base (AFB) is a United States Air Force installation in California. Most of the base sits in Kern County, California, Kern County, but its eastern end is in San Bernardino County, California, San Bernardino County and a souther ...
. The Air Force made a training film about the incident, including a film of the landing. On December 8, 1964, a B-58 carrying
nuclear weapon A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission or atomic bomb) or a combination of fission and fusion reactions (thermonuclear weapon), producing a nuclear exp ...
s slid off an icy runway on Bunker Hill Air Force Base in Bunker Hill, Indiana and caught fire during a training drill. The five nuclear weapons on board were burned, including one 9-megaton
thermonuclear weapon A thermonuclear weapon, fusion weapon or hydrogen bomb (H-bomb) is a second-generation nuclear weapon design. Its greater sophistication affords it vastly greater destructive power than first-generation nuclear bombs, a more compact size, a lowe ...
, causing
radioactive contamination Radioactive contamination, also called radiological pollution, is the deposition of, or presence of Radioactive decay, radioactive substances on surfaces or within solids, liquids, or gases (including the human body), where their presence is uni ...
of the crash area. On June 15, 1965, at the Paris Air Show, Lieutenant Colonel Charles D. Tubbs was killed and two other crewmen injured when their B-58 crashed. The aircraft landed short of the runway, struck the instrument approach beacons, and burst into flames. On July 22, 1965, B-58 #60-1128 departed runway during landing and was destroyed. All three occupants were unharmed. On December 12, 1966, a B-58 crashed in field near McKinney, Kentucky killing all three crew members. On June 14, 1967, a B-58 aircraft was abandoned in flight. Three crew members ejected and one of them was killed when his parachute did not open. On April 3, 1969, The aircraft crashed near Rokeby, Nebraska. Aircraft's left wing was torn off before crashing. All three crew members managed to eject and parachute to safety. On April 18, 1969, B-58A #61-2056 crashed in field near Danville, Illinois. All three occupants were able to eject and parachute to safety.


Aircraft on display

Today there are eight B-58 survivors: ;TB-58A * 55-0663 – Grissom Air Museum, Grissom Air Reserve Base (former Bunker Hill AFB / former Grissom AFB), Peru, Indiana. This is the oldest remaining aircraft and the fourth B-58 built. * 55-0668 –
Little Rock Air Force Base Little Rock Air Force Base is a United States Air Force base located approximately northeast of Little Rock, Arkansas. The facility covers 6,217 acres (2,516 ha) with a resident population of over 3,300 and working population of approximate ...
in
Jacksonville, Arkansas Jacksonville is a city in Pulaski County, Arkansas, United States, and a suburb of Little Rock, Arkansas, Little Rock. As of the 2010 United States Census, 2010 census, the population of the city was 28,364. It is part of the Little Rock-North Li ...
. ;B-58A * 55-0665 ''Snoopy'' –
Edwards Air Force Base Edwards Air Force Base (AFB) is a United States Air Force installation in California. Most of the base sits in Kern County, California, Kern County, but its eastern end is in San Bernardino County, California, San Bernardino County and a souther ...
,
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
, . Built as a YB-58A, later redesignated B-58A. This aircraft sits derelict as a photo target on Edwards AFB's photo range. * 55-0666 – Built as a YB-58A, later redesignated B-58A. Under restoration at Castle Air Museum at the former Castle Air Force Base in Atwater, California. Formerly on display at Octave Chanute Aerospace Museum, Rantoul, Illinois. * 59-2437 ''Firefly II'' – Lackland AFB/Kelly Field Annex (former Kelly Air Force Base),
San Antonio, Texas San Antonio ( ; Spanish for "Anthony of Padua, Saint Anthony") is a city in the U.S. state of Texas and the most populous city in Greater San Antonio. San Antonio is the List of Texas metropolitan areas, third-largest metropolitan area in Texa ...
. * 59-2458 ''Cowtown Hustler'' –
National Museum of the United States Air Force The National Museum of the United States Air Force (formerly the United States Air Force Museum) is the official museum of the United States Air Force located at Wright-Patterson Air Force Base, northeast of Dayton, Ohio. The NMUSAF is ...
,
Wright-Patterson Air Force Base Wright-Patterson Air Force Base (WPAFB) is a United States Air Force base and census-designated place just east of Dayton, Ohio, in Greene County, Ohio, Greene and Montgomery County, Ohio, Montgomery counties. It includes both Wright and Patte ...
,
Dayton, Ohio Dayton () is a city in Montgomery County, Ohio, United States, and its county seat. It is the List of cities in Ohio, sixth-most populous city in Ohio, with a population of 137,644 at the 2020 United States census, 2020 census. The Dayton metro ...
. This aircraft flew from
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
to
New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
and back on 5 March 1962, setting three separate speed records, and earning the crew the Bendix Trophy and the Mackay Trophy for 1962. The aircraft was flown to the Museum on 1 March 1969. The aircraft is on display in the Museum's Cold War gallery. * 61-2059 ''Greased Lightning'' – Strategic Air Command & Aerospace Museum near
Ashland, Nebraska Ashland is a city in Saunders County, Nebraska, United States. The population was 3,262 at th2022 census History Ashland is located at the site of a low-water limestone ledge along the bottom of Salt Creek, an otherwise mud-bottomed stream th ...
. It averaged 938 nmph flying 8,028 nmi. from Tokyo to London in 8 hours and 35 minutes in October 1963. * 61-2080 –
Pima Air & Space Museum The Pima Air & Space Museum is an aerospace museum in Tucson, Arizona, US. It features a display of nearly 400 aircraft spread out over on a campus occupying . It has also been the home to the Arizona Aviation Hall of Fame since 1991. Overv ...
, adjacent to Davis-Monthan Air Force Base, in
Tucson, Arizona Tucson (; ; ) is a city in Pima County, Arizona, United States, and its county seat. It is the second-most populous city in Arizona, behind Phoenix, Arizona, Phoenix, with a population of 542,630 in the 2020 United States census. The Tucson ...
. It was the last B-58 to be delivered.


Specifications (B-58A)


Notable appearances in media

Jimmy Stewart, a bomber pilot during World War II and a brigadier general in the
Air Force Reserve The Air Force Reserve Command (AFRC) is a major command (MAJCOM) of the United States Air Force, with its headquarters at Robins Air Force Base, Georgia. It is the federal Air Reserve Component (ARC) of the U.S. Air Force, consisting of commis ...
, appeared in the Air Force documentary film ''B-58 Champion of Champions''. In the film, Stewart flew in the back seat of the B-58 on a typical low-altitude attack. In the film '' Fail Safe'', the attack on Moscow is made by a squadron of "Vindicator" bombers, fictitious aircraft."The B-58 Hustler: America's Cold War Nuclear Bomber Blunder".
''The National Interest'', 10 June 2016.
While exterior shots of the plane relied on footage of B-58s, interior shots depicted a three-man crew, similar to that of a conventional airliner, and distinct from the tandem seating on a real B-58. The fictional Vindicator bomber was again represented by the B-58 in '' Fail Safe'', a 2000 made-for-TV remake starring George Clooney. 60's Model Kits of the B58 from Aurora & Revell were modified and used/partially used in the Anderson Science Fiction series " Fireball XL5", "
Stingray Stingrays are a group of sea Batoidea, rays, a type of cartilaginous fish. They are classified in the suborder Myliobatoidei of the order Myliobatiformes and consist of eight families: Hexatrygonidae (sixgill stingray), Plesiobatidae (deepwate ...
" and " Thunderbirds" as spacecraft or futuristic aircraft.


See also


References


Citations


Bibliography

* Adams, Chris. ''Deterrence: An Enduring Strategy''. New York: IUniverse, Inc., 2009 * ''Convair B-58 Hustler Pilot's Flight Operating Instructions''. Washington, D.C.: United States Air Force, 2008. . * Converse, Elliott V. ''Rearming for the Cold War, 1945–1960 (History of Acquisition in the Department of Defense)''. Washington, D.C.: Office of the Secretary, Historical Office, 2012. . * Donald, David and Jon Lake, eds. ''Encyclopedia of World Military Aircraft''. London: AIRtime Publishing, 1996. . * Grant, R.G. and John R. Dailey. ''Flight: 100 Years of Aviation''. Harlow, Essex: DK Adult, 2007. . * Gunston, Bill. ''American Warplanes''. New York: Crown Publishers Inc., 1986, p. 162. . * Gunston, Bill. ''Bombers of the West''. London: Ian Allan Ltd., 1973, pp. 185–213. . * Gunston, Bill and Peter Gilchrist. ''Jet Bombers: From the Messerschmitt Me 262 to the Stealth B-2''. Osprey, 1993. . * Hansen, Chuck. ''U.S. Nuclear Weapons: The Secret History.'' Arlington, Texas: Aerofax, 1988. . * Higham, Robin, Carol Williams and Abigail Siddall, eds. ''Flying Combat Aircraft of the USAAF-USAF (Vol. 1)''. Andrews AFB, Maryland: Air Force Historical Foundation, 1975. . * Miller, Jay. ''Convair B-58 Hustler (Aerograph 4)''. Midland, UK: Aerofax, 1985. . * Miller, Jay. "History of the Hustler." ''Airpower'', Vol. 6, No. 4, July 1976. * Slade, Stuart. ''United States Strategic Bombers 1945–2012''. Newtown, Connecticut: Defense Lion Publications, 2012. . * Sorenson, David S. ''The Politics of Strategic Aircraft Modernization''. Westport, Connecticut: Praeger, 1995. . * Swanborough, Gordon and Peter M. Bowers. ''United States Military Aircraft Since 1909''. Washington, D.C.: Smithsonian, 1989. . * ''United States Air Force Museum Guidebook''. Wright-Patterson AFB, Ohio: Air Force Museum Foundation, 1975. * Veronico, Nicholas A. and Ron Strong. ''AMARG: America's Military Aircraft Boneyard''. North Branch, Minnesota: Specialty Press, 2010. . * Wagner, Ray. ''American Combat Planes of the Twentieth Century''. Reno, Nevada: Jack Bacon and Co., 2004. . * Wilson, Stewart. ''Combat Aircraft since 1945''. Fyshwick, ACT, Australia: Aerospace Publications Pty Ltd, 2000, p. 38. . * Winchester, Jim, ed. "Convair B-58 Hustler." ''Military Aircraft of the Cold War'' (The Aviation Factfile). Rochester, Kent, UK: The Grange plc., 2006. .


External links


(1959) T.O. 1B-58A-1 Flight Manual USAF B/RB-58A Aircraft
*
B-58 Hustler Association Homepage

B-58.com The B-58 Hustler Page, includes B-58 flight manuals

Convair B-58 Hustler Rendezvous



B-58 photographs from the Lockheed Martin Aeronautics Company
hosted by th
Portal to Texas History



Offensive Systems and the Pod
{{Authority control Tailless delta-wing aircraft 1950s United States bomber aircraft Quadjets B-58 Aircraft first flown in 1956 Mid-wing aircraft Strategic bombers Aircraft with retractable tricycle landing gear