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Free-piston engine used as a gas generator to drive a turbine. A free-piston engine is a linear, 'crankless' internal combustion engine, in which the piston motion is not controlled by a crankshaft but determined by the interaction of forces from the combustion chamber gases, a rebound device (e.g., a piston in a closed cylinder) and a load device (e.g. a gas compressor or a linear alternator).
The most powerful is the Lancair Propjet, a four-place kit with cabin pressurization and a turboprop engine, cruising at 24,000 feet (7,300 m) and 370 knots (425 mph, 685 km/h). Although aircraft such as this are considered "home-built" for legal reasons, they are typically built in the factory with the assistance of the buyer.
The Cirrus VK-30 is a single-engine pusher-propeller homebuilt aircraft originally sold as a kit by Cirrus Design (now Cirrus Aircraft), and was the company's first model, introduced in 1987. [ 2 ] As a kit aircraft, the VK-30 is a relatively obscure design with few completed aircraft flying.
The Dominator is an open frame autogyro, constructed of bolted aluminium tubing and powered by a 52 hp (39 kW) Rotax 503 engine with a pusher propeller. [1] [2] The Dominator has both a single-seat and tandem two-seat variants. [1] It was one of the first autogyros to use a high tailplane to reduce dynamic and aerodynamic torque. [1]
Sonex Aircraft, LLC is an American kit aircraft manufacturer located in Oshkosh, Wisconsin, producing kits for four all-metal homebuilt monoplanes.The company was founded in 1998 by John Monnett, who has designed the Monnett Sonerai sport aircraft series, Monnett Monerai sailplane, Monnett Moni motorglider, and Monnett Monex racer.
Power is supplied by an air-cooled, tractor-mounted piston engine driving a propeller. [1] The engine selected by Watson was an automotive Volkwagen air-cooled engine sawn in half across its crankcase to turn the flat-four engine into a flat-two [1] [3] [4] (a modification called a "half VW"). Plans for the Windwagon included instructions for ...
Main piston engined production kits with wings extended to 21 ft 6 in (6.55 m). Kits still available in 2011. [31] BD-5D Factory built versions of the BD-5B. BD-5G Piston-engined production kit with wingspan of 17 ft (5.2 m) and a gross weight of 660 lb (299 kg). Kits still available in 2011. [31] BD-5J Jet powered version.
Marketed as kit homebuilt. [2] Comp Air 9 (2008) Single-engine six-seat high-wing turboprop engine aircraft. Marketed as kit homebuilt, but the company intends to produce a certificated version. [5] Comp Air 10 Single-engine ten-seat high-wing turboprop engine aircraft (larger version of Comp Air 8). Marketed as kit homebuilt. [2]