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To Phoenix
The Phoenix was a human-powered aircraft, designed and built in the 1980s by the British architect Frederick To. It was notable for being an inflatable Tailless aircraft, tailless design and for its low airspeed. Taking inspiration from Daniel Perkins' work with the ''Perkins Reluctant Phoenix, Reluctant Phoenix'', Fred To wished to resolve issues with storage and crashibility that previous human-powered aircraft had suffered from. To this end, the Phoenix was designed to have a simple layout, be easily stored, and be robust enough to survive accidents without damage. Design and development The ''Phoenix'' was a flying-wing configuration, with a rectangular wing planform. A reflex aerofoil, based on a Wortmann 15% aerofoil, but increased to 20% thickness was used. An aspect ratio of 6 was selected as that was considered to be the practical limit for pitch stability for such a design. The wing was built up using polyester film, and was constructed using a series of conjoine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Human-powered Aircraft
A human-powered aircraft (HPA) is an aircraft belonging to the class of vehicles known as human-powered transport. As its name suggests, HPAs have the pilot not only steer, but power the aircraft (usually propeller-driven) by means of a system similar to a bicycle or tricycle: a pair of pedals, moved by the pilot's feet that turns a gear, which then moves a bicycle chain, which then rotates a smaller gear, which turns a vertical shaft that either turns a set of bevel gears, which turns another, horizontal shaft that ultimately turns a propeller, or in the case of earlier prototypes, an ornithopter mechanism. Often, a hybrid system is used; where during a certain amount of time pedaling, it would charge a battery, which would, at the push of a button, power an electric motor that is connected to the same horizontal shaft as the propeller. Human-powered aircraft have been successfully flown over considerable distances. However, they are still primarily constructed as engineer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malliga 1
The Malliga 1 human powered aircraft was the project of Horst Josef Malliga. It is thought that it was the first successful Continental European human-powered aircraft. Design work began in August 1966, with the first flight taking place in September 1967. The aircraft was a low-wing monoplane, with a pod and boom configuration. The pilot sat in a recumbent position, and powered a two bladed pusher propeller, located behind a streamlined nacelle. Twin booms supported twin fins, with an all-flying tailplane located between them. Constructed from aluminium tubing and polystyrene, with plastic film covering. The Malliga 1 had a constant-chord wingplan, and spanned 20.00 m (65 ft 7in). As originally designed, the tailfins did not incorporate rudders, and directional control was made via two fins located outboard and underneath the wing. Lateral control was obtained by wingtip ailerons. With this configuration, and under human-power alone, flights of up to 150 m (487 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1980s British Experimental Aircraft
__NOTOC__ Year 198 (CXCVIII) was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Sergius and Gallus (or, less frequently, year 951 ''Ab urbe condita''). The denomination 198 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Roman Empire *January 28 **Publius Septimius Geta, son of Septimius Severus, receives the title of Caesar. **Caracalla, son of Septimius Severus, is given the title of Augustus. China *Winter – Battle of Xiapi: The allied armies led by Cao Cao and Liu Bei defeat Lü Bu; afterward Cao Cao has him executed. By topic Religion * Marcus I succeeds Olympianus as Patriarch of Constantinople (until 211). Births * Lu Kai, Chinese official and general (d. 269) * Quan Cong, Chinese general and advisor (d. 249) Deaths * Li Jue, Chinese warlord and regent * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Inflatable Aircraft
An inflatable is an object that can be inflated with a gas, usually with air, but hydrogen, helium, and nitrogen are also used. One of several advantages of an inflatable is that it can be stored in a small space when not inflated, since inflatables depend on the presence of a gas to maintain their size and shape. Function fulfillment per mass used compared with non-inflatable strategies is a key advantage. Stadium cushions, impact guards, vehicle wheel inner tubes, emergency air bags, and inflatable space habitats employ the inflatable principle. Inflation occurs through several strategies: pumps, ram-air, blowing, and suction. Although the term ''inflatable'' can refer to any type of inflatable object, the term is often used in boating to specifically refer to inflatable boats. Types High-pressure vs. low-pressure A distinction is made between high-pressure and low-pressure inflatables. In a high-pressure inflatable, structural limbs like pillars and arches are built out o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
High-wing Aircraft
A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple wings. A monoplane has inherently the highest efficiency and lowest drag of any wing configuration and is the simplest to build. However, during the early years of flight, these advantages were offset by its greater weight and lower manoeuvrability, making it relatively rare until the 1930s. Since then, the monoplane has been the most common form for a fixed-wing aircraft. Characteristics Support and weight The inherent efficiency of the monoplane is best achieved in the cantilever wing, which carries all structural forces internally. However, to fly at practical speeds the wing must be made thin, which requires a heavy structure to make it strong and stiff enough. External bracing can be used to improve structural efficiency, reducing weight and cost. For a wing of a given size, the weight reduction allows it to fly slower an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Human-powered Aircraft
This is a list of History of human-powered aircraft, human-powered aircraft by date. See also *History of human-powered aircraft References Further reading * External links Chris Roper's online book ''Human Powered Flying''Prop designer Vélair – Yuri human-powered helicopter – YouTube video – human-powered ornithopter [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wright MPA Mk 1
The Wright MPA Mk 1 was the first of two human-powered aircraft designed and built by Peter Wright, an engineer from Melton Mowbray, England. Background Design of the aircraft began in October 1969, with construction itself beginning mid-1971. It was completed by February 1972, with that taking 500 hours. Wright's approach was to reduce the aircraft's weight and its construction time by minimising the amount of materials used to construct the aircraft. The aircraft was a mid-wing monoplane. The pilot sat in a semi-recumbent position, and powered a rear-mounted 2-bladed propeller via bicycle pedals driving a bicycle chain and driveshaft transmission. The framework for the pilot support and the transmission was made from mild steel tubing, with the remainder of the aircraft being constructed from expanded polystyrene, plastics, balsa, with carbon fibre being used to reinforce the structure. Compared to other human-powered aircraft of the era, the MPA Mk 1 had a very large w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wright Micron
The Micron was the second of two human-powered aircraft designed and built by Peter Wright, an engineer from Melton Mowbray, England. Wright had previously designed and built the Wright MPA Mk 1, which first flew in 1972. The low wing loading of that design affected the flight opportunities which could be made. The design of his second human-powered aircraft, the Micron, began in 1974 with the intent that it be robust and practical; to this end, it had a relatively high wing loading, thereby increasing flight opportunities. It was also intended to be easily assembled and transportable in a glider trailer. The Micron was of conventional configuration. It was a low-wing monoplane, with a very streamlined fuselage and a V-tail empennage. The pilot sat in a recumbent position, pedalling a set of bicycle pedals, and powering a pusher propeller mounted on a pylon located near the front of the fuselage. Power transmission was by a cable/roller drive. The craft made extensive use o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Weybridge Man Powered Aircraft
__NOTOC__ The Weybridge Man Powered Aircraft (also known as ''Dumbo'' and later ''Mercury'') is a British single-seat man-powered aircraft built and flown by members of the Weybridge Man Powered Aircraft Group. Development The Weybridge Man Powered Aircraft Group was formed in late 1967 with members drawn from the British Aircraft Corporation factory and the local chapter of the Royal Aeronautical Society. Construction started in 1968 and the aircraft was assembled at Wisley and flown for the first time from Weybridge on 18 September 1971. The Weybridge MPA (which was named ''Dumbo'') was flown by Christopher Lovell for a distance of 46 metres with a height reached of 3 ft (0.9m). Only two flights were made at Weybridge and the aircraft was passed to another group at RAF Cranwell who renamed it ''Mercury''. Design The aircraft is a low-wing cantilever monoplane with a fuselage made from aluminium alloy tubing with balsa frames and covered with Melinex. The wing has a singl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paxton Man-powered Aircraft
The Paxton man-powered aircraft was the project of architect Tony Paxton, to create a compact human-powered aircraft, suitable for sports flying. It was a low-wing monoplane, but mounted on top of a tall undercarriage off the ground. The airframe was constructed of metal tubing, with extensive use of styrofoam in order to create the wing ribs and fuselage formers. The wings were of constant chord and made use of the thick-sectioned high-lift GU25-5(11)8 aerofoil. The wings were also wire braced, and fitted with tip plates at each wingtip. Control was very similar to that of the Weybridge ''Dumbo'' machine; the cruciform tail featured movable control surfaces on both fins and the tailplanes, with lateral control being achieved by rotating each wing, in its entirety, around the spar. The pilot sat in the open air, in a reclined position, and powered a 2-bladed pusher propeller via a bevel-geared drive system. Initial tests with the aircraft resulted in a failure of the dri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HMPAC Puffin
The HMPAC Puffin was a British man-powered aircraft designed by a team headed by John Wimpenny, an aerodynamicist at the de Havilland Aircraft Company. It was built by the Hatfield Man Powered Aircraft Club (HMPAC) on the company's premises in Hatfield, Hertfordshire. On 2 May 1962, Wimpenny, aged 39, piloted the Puffin at the Hatfield Aerodrome, pedalling to power the propeller, achieving a flight distance of , a world record which was to stand for ten years. The Puffin had a wingspan of . Puffin II An improved version of the Puffin was developed and built in 1965 as the HMPAC Puffin II. First flown on 27 August 1965, the Puffin II utilized the transmission components of the Puffin I in a completely new airframe. After it had been damaged, the Puffin II airframe was given to Liverpool University, who used it to build the Liverpuffin. Specifications See also * Malliga 1 * SUMPAC * List of human-powered aircraft References * Further reading *{{cite book, last1=Reay, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
