The Flying K Sky Raider is a family of

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, p ...

high wing A monoplane is a fixed-wing aircraft A fixed-wing aircraft is a heavier-than-air aircraft, such as an airplane, which is capable of flight using aerodynamic lift. Fixed-wing aircraft are distinct from rotary-wing aircraft (in which a r ...

strut-braced In aeronautics, bracing comprises additional structural members which stiffen the functional airframe to give it rigidity and strength under load. Bracing may be applied both internally and externally, and may take the form of struts, which act in ...

, single engine,

conventional landing gear Conventional landing gear, or tailwheel-type landing gear, is an aircraft Landing gear, undercarriage consisting of two main wheels forward of the Center of gravity of an aircraft, center of gravity and a small wheel or skid to support the tail ...

ultralight aircraft Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and Aircraft flight control system, conventional three-a ...

that was designed by Ken Schrader and produced by Flying K Enterprises and later Sky Raider LLC of

Caldwell, Idaho Caldwell (locally CALL-dwel) is a city in and the county seat of Canyon County, Idaho, United States. The population was 68,336 at the time of th2023 United States census making it the List of cities in Idaho, 5th most populous city in Idaho. C ...

for amateur construction.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, pages B-55 and B102. Cybair Limited Publishing, 2001. Downey, Julia: ''1999 Kit Aircraft Directory'', Kitplanes, Volume 15, Number 12, December 1998, page 49. Primedia Publications. ISSN 0891-1851Downey, Julia: ''2001 Kit Aircraft Directory'', Kitplanes, Volume 17, Number 12, December 2000, page 54. Kitplanes Acquisition Company. ISSN 0891-1851Newby-Gonzalez, Tori: ''2004 Kit Aircraft Directory'', Kitplanes, Volume 20, Number 12, December 2003, page 77. Belvoir Publications. ISSN 0891-1851Downey, Julia: ''2005 Kit Aircraft Directory'', Kitplanes, Volume 21, Number 12, December 2004, page 79. Belvoir Publications. ISSN 0891-1851Downey, Julia: ''2008 Kit Aircraft Directory'', Kitplanes, Volume 24, Number 12, December 2007, page 53. Primedia Publications. ISSN 0891-1851Purdy, Don: ''AeroCrafter – Homebuilt Aircraft Sourcebook'', page 166. BAI Communications.

Design and development

First flown in 1996, the original Sky Raider is a single seater designed as an

FAR 103 Ultralight Vehicles Ultralight aircraft exist outside of the United States. In most countries, ultralights are a class of aircraft. A completely different legal concept is valid within the USA. The FAA makes explicitly clear that ultralight vehicles are not air ...

compliant aircraft with an empty weight within that category's empty weight limit, when equipped with a light enough engine. The Sky Raider can also be built in the US homebuilt and

light-sport aircraft A light-sport aircraft (LSA), or light sport aircraft, is a category of small, lightweight aircraft that are simple to fly. LSAs tend to be heavier and more sophisticated than ultralight (aka "microlight") aircraft, but LSA restrictions on weigh ...

categories and in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...

as a BCAR Section S microlight. The design was developed from the

Avid Flyer The Avid Flyer is a family of American single engine, high-wing, strut-braced, conventional landing gear-equipped, two seat light aircraft designed for kit construction in the 1980s. Its several variants sold in large numbers. In 1987 a Flyer be ...

and the

Denney Kitfox The Denney Kitfox is a series of small side-by-side, two-seat, high-wing, single engine kit aircraft, designed and originally manufactured by Dan Denney and his company Denney Aerocraft of Boise, Idaho. The aircraft is amateur-built a ...

and the designer formerly worked for both those companies.Bertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003–04'', page 142. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X The aircraft has a

4130 steel 41xx steel is a family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE). Alloying elements include chromium and molybdenum, and as a result these materials are often informally referred to as chromoly steel (common va ...

tube frame

fuselage The fuselage (; from the French language, French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds Aircrew, crew, passengers, or cargo. In single-engine aircraft, it will usually contain an Aircraft engine, engine as wel ...

and a wing constructed from

aluminium 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 ...

tubing, all covered in doped fabric. The wings are equipped with slotted-style flaps and fold for transport or storage without a requirement to disconnect the flaps and

aileron An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft. Ailerons are used in pairs to control the aircraft in roll (or movement aroun ...

s. The landing gear is bungee suspended. The Sky Raider has a fully enclosed cockpit design, allowing flying in cooler weather. The Sky Raider is available as a kit, including quick-build options, including a pre-welded fuselage and quick-build wings. The power range is and original standard engine specified was the

Rotax 277 The Rotax 277 is a , Single-cylinder engine, single-cylinder, two-stroke aircraft engine, that was built by Rotax, BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.Raisner, William: ''LEAF catalog'', pages 6-105. Leading Edge ...

with the

Rotax 447 The Rotax 447 is a , inline 2-cylinder, two-stroke aircraft engine, built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.Raisner, William: ''LEAF catalog'', pages 6-105. Leading Edge Airfoils, 1995. Design and developme ...

as an optional, although the additional weight would probably put the aircraft in the US homebuilt category. The Sky Raider can be equipped with floats and skis.

Variants

;Sky Raider :Original single seat high wing US FAR Part 103 ultralight powered by a

or homebuilt powered by

engine. Production completed ;Sky Raider II : Stretched version with two seats in

tandem Tandem, or in tandem, is an arrangement in which two or more animals, machines, or people are lined up one behind another, all facing in the same direction. ''Tandem'' can also be used more generally to refer to any group of persons or objects w ...

, a gross weight of , an acceptable power range of . Engines used include the

two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston, one up and one down, in one revolution of the crankshaft in contrast to a four-stroke engine which re ...

Rotax 503 The Rotax 503 is a , inline 2-cylinder, two-stroke engine, two-stroke aircraft engine, built by Rotax, BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.Raisner, William: ''LEAF catalog'', pp. 6-105. Leading Edge Airfoils, 1 ...

and the

four-stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...

HKS 700E The HKS 700E is a twin-cylinder, horizontally opposed, four stroke, carburetted aircraft engine, designed for use on ultralight aircraft, powered parachutes and ultralight trikes. The engine is manufactured by HKS, a Japanese company noted for ...

engine. Described as an "intimate tandem two seater" due to the small rear seat space. Production completed. ;Super Sky Raider : Two seats in

, a gross weight of , an acceptable power range of . Engines used include the

Jabiru 2200 The Jabiru 2200 is a lightweight naturally aspirated, pushrod four-stroke, flat four, air-cooled aircraft engine produced by Jabiru Aircraft. Design and development The conventional direct-drive engine is fitted with an alternator, silencers, ...

engine. In production, with fifty completed and flying by 2011.Vandermeullen, Richard: ''2012 Kit Aircraft Buyer's Guide'', Kitplanes, Volume 28, Number 12, December 2011, page 70. Belvoir Publications. ISSN 0891-1851Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011–12'', page 119. WDLA UK, Lancaster UK, 2011. ISSN 1368-485XTacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015–16'', page 125. Flying Pages Europe SARL, 2015. ;Frontier : Two seats in

, a gross weight of and floats as an option. Engines used include the

Lycoming O-290 The Lycoming O-290 is a dual-ignition, four-cylinder, air-cooled, horizontally opposed aircraft engine. It was first run in 1939, and entered production three years later. A common variant of the type is the O-290-G, a single-ignition model wh ...

engine and the

. Floats are optional. In production, with two completed and flying by 2011, the construction time is estimated at 300–400 hours.

Specifications (Sky Raider)

References

External links

*{{Official website, www.skyraiderllc.com/ 1990s United States ultralight aircraft Light-sport aircraft Aircraft first flown in 1996 High-wing aircraft Aircraft with fixed conventional landing gear Single-engined piston aircraft

Design and development

Variants

Specifications (Sky Raider)

See also

References

External links