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A pusher aircraft is a type of aircraft using propellers placed behind the engines and may be classified according to engine/propeller location and drive as well as the lifting surfaces layout (conventional or 3 surface, canard, joined wing, tailless and rotorcraft), Some aircraft have a Push-pull configuration with both tractor and pusher engines.
Quicksilver Aircraft is an American manufacturer of ultralight and light aircraft.Founded in 1972 as Eipper Formance and later Eipper Aircraft, [1] the company today claims to be the leading manufacturer of ultralight aircraft in the United States, [2] with the Quicksilver type ultralight being used to train more ultralight pilots than any other type.
Quicksilver MX Quicksilver MX II Sprint two seater Quicksilver Sport 2S, showing its struts, in place of wire bracing Quicksilver C The C model was the earliest powered version and consisted of the Quicksilver hang glider, including the weight-shift sling seat, with a McCulloch MAC 101 powerplant of 12 hp (9 kW), a V-belt reduction drive and a 1.7 US gal (6 L) fuel tank.
A Laser 2 flying its spinnaker, with the crew on the trapeze. The Laser 2 is a sailing dinghy, built predominantly of fibreglass. It has a fractional sloop rig, a raked stem, a plumb transom, a transom-hung rudder controlled by a tiller with an extension and a retractable daggerboard. It displaces 170 lb (77 kg).
This was done because UltraFlight had ample supplies of the existing propellers and using them saved money over developing a new propeller. [12] Also, since inception, the Lazair was designed as a powered glider, so stacking of the two propellers in a bi-plane mode created a propeller that had less drag when gliding than if the 4 blades were 90 ...
A toroidal propeller is a type of propeller that is ring-shaped with each blade forming a closed loop. The propellers are significantly quieter at audible frequency ranges, between 20 Hz and 20 kHz, while generating comparable thrust to traditional propellers. In practice, toroidal propellers reduce noise pollution in both aviation and maritime ...
The Pratt & Whitney/Allison 578-DX was an experimental aircraft engine, a hybrid between a turbofan and a turboprop known as a propfan.The engine was designed in the 1980s to power proposed propfan aircraft such as the Boeing 7J7 and the MD-91 and MD-92 derivatives of the McDonnell Douglas MD-80.
Disk loading comparison Aircraft Description Max. gross weight Total disk area Max. disk loading Robinson R22: Light utility helicopter: 1,370 lb (635 kg) 497 ft 2 (46.2 m 2) 2.6 lb/ft 2 (14 kg/m 2) Bell 206B3 JetRanger: Turboshaft utility helicopter: 3,200 lb (1,451 kg) 872 ft 2 (81.1 m 2) 3.7 lb/ft 2 (18 kg/m 2) CH-47D Chinook: Tandem rotor ...