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The Fokker F.25 Promotor, first flown in 1946, was a single-engined, twin-boomed, four-passenger monoplane with a pusher engine mounted at the rear of a central nacelle. It was of wooden construction and has fitted with a retractable nosewheel undercarriage. One feature of the design was that instead of a 2 + 2 seating, the pilot sat in front to the left, and all three passengers were on a bench seat to the rear of him. Alternatively, when being used as an air ambulance aircraft, it could carry a patient on a stretcher, which was loaded through a hatch in the aircraft's nose. The F.25 was evocative of the pre-war G.I design. The F.25 was based upon the design of the Difoga 421 aircraft, home-built and -designed during World War II by Frits Diepen, a Ford garage owner from Tilburg, the Netherlands. His intention was to create an easy to fly personal aircraft. Due to the war an aircraft engine was not available and instead it used a Ford V-8.
The Brügger MB-1, MB-2 and MB-3 Colibri is a family of small sports aircraft designed in Switzerland in the 1960s and 1970s for amateur construction.
The Chasle YC-12 Tourbillon ("Whirlwind") was a single-seat light sporting aircraft developed in France in the mid-1960s and marketed for homebuilding via plans. It was a low-wing cantilever monoplane of conventional configuration. As designed, it featured fixed tailwheel undercarriage, but it could also be fitted with fixed tricycle gear.
The Civil Aviation Department Revathi was a light utility aircraft designed in India principally for use by that country's flying clubs.
The Fokker T.IV was a Dutch torpedo bomber/maritime reconnaissance floatplane of the 1920s and 1930s. First flying in 1927, it served with the Dutch Naval Aviation Service in the Dutch East Indies until the remaining aircraft were destroyed during the Japanese invasion in 1942.
The Gatard Statoplan AG 02 Poussin was a light, single-seat sports airplane developed in France in the late 1950s and marketed for homebuilding. In layout, it was a low-wing cantilever monoplane of short-coupled design with fixed tailwheel undercarriage. Construction was a plywood-covered wooden structure throughout, and the cockpit was enclosed by a large perspex bubble canopy. The variable-incidence horizontal stabiliser was fitted with small endplates to provide extra directional stability but there were no separate elevators.
The IAR-824 was a utility aircraft built in Romania in the 1970s.
The Keystone K-55 Pronto was a mail plane developed in the United States in the late 1920s.
The Lucas L5 was a sport aircraft designed in France in the late 1970s and marketed for amateur construction. It was a conventional, low-wing cantilever monoplane with side-by-side seating for two in a fully enclosed cabin. Construction was of metal throughout, and the builder was given the option of fixed, tricycle undercarriage, or tailwheel undercarriage in which the main units were manually retractable.
The MacDonald S-20 is a single-seat sport aircraft that was designed in the United States in the early 1970s and marketed for home building.
The Miller WM-2 was a single-seat sport aircraft designed in the United States in the early 1970s and marketed for home building. Although primarily a powered aircraft, the WM-2's high aspect-ratio wings enabled the pilot to stop the engine and soar on thermals as with a sailplane.
The Mini-Hawk TH.E.01 Tiger-Hawk was a single-seat sport aircraft designed in the United States in the early 1970s and marketed for home building. It was a conventional, low-wing cantilever monoplane with a cockpit enclosed by a bubble canopy. The wings were detachable for ease of storage or towing and could be rigged in around ten minutes. The undercarriage was of fixed, tricycle type with spats fitted to the prototype. It was an all-metal construction, and the aircraft could be built from plans or a kit.
The Wassmer WA-80 Piranha is a French two-seat low-wing cabin monoplane trainer designed and built by Société Wassmer. Based on the same construction as the company's WA-50 four-seater, the WA-80 was a scaled down version. The prototype, registered F-WVKR, first flew in November 1975 powered by a 100 hp Rolls-Royce Continental O-200 engine. Wassmer appointed a receiver and suspended production in 1977 after 25 had been built.
The PDQ Aircraft Products PDQ-2 is a very basic light aircraft originally built in 1973 in the United States, and marketed as plans for a homebuilt aircraft. It was a minimalist design, consisting of aluminum alloy tubes carrying the pilot's seat, a set of monoplane wings and a T-tail. The pilot's position was fully exposed at the front of the aircraft. Power is provided by a single engine mounted pusher-fashion on a pylon above the wings. Originally, this was a Rockwell JLO snowmobile engine, but Ison revised the design to use a converted Volkswagen engine, due to a lack of availability of the first choice of engine. The heavier Volkswagen engine required an increase in structural strength, and the design was revised accordingly. The wings have wooden spars with ribs, and skin of polyurethane foam, all coated in epoxy resin. Fixed, tricycle undercarriage was fitted.
The Piel CP.70 Beryl is a French twin-seat, single-engine sport aircraft designed by Claude Piel. It was first flown in France in the 1960s and marketed for amateur construction.
The Piel CP.80 Zephir , Piel CP.801 and Piel CP.802 are racing aircraft developed in France in the 1970s and marketed for homebuilding. They are compact, single-seat, single-engine monoplanes with low, cantilever wings.
The Piel CP.90 Pinocchio II was a single-seat, single-engine aerobatic sport aircraft developed in France and marketed for homebuilding. The design was based on that of Piel's Emeraude and was unrelated to Piel's first design named Pinocchio, the CP.10 and indirectly to the second, the CP.20. It was a cantilever, low-wing monoplane of conventional design with an enclosed cockpit and fixed, tailwheel undercarriage. Construction was of wood throughout.
The Piel CP.500 was a light aircraft of unusual configuration designed in France in the 1970s with the intention of marketing it for homebuilding. This did not transpire, however, and no prototype was actually built. It was a tandem wing design, somewhat reminiscent of the Mignet Pou-du-Ciel but considerably larger. Also, unlike the Pou-du-Ciel's unusual control system, the CP.500's pitch and roll control was to come from more conventional elevons mounted on the rear wing. The rear wing was also to carry endplate-style fins and rudders. Twin engines were to be mounted in push-pull fashion at the nose and tail ends of the fuselage, with the aircraft capable of single-engine operation in case of emergency. Two seats were to be provided at the front of the fully enclosed cabin, with a bench seat for three passengers behind them, plus an optional seat for a sixth occupant behind this. The undercarriage was to be of fixed, tricycle configuration. Construction was originally planned to be of wood, with engine cowlings and wingtips of composite construction. However, as development progressed, Piel considered metal as the main construction material.
The Scheibe SF 28 Tandem-Falke is a German motorglider that was designed by Egon Scheibe in 1970 and which flew for the first time in May the following year. It was a development of the Scheibe Falke with seating in tandem rather than side-by-side as in the original Falke design.
References
- Jane's All the World's Aircraft 1977–78. London: Jane's Publishing.
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions.