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A model of the Transonic Truss-Braced Wing aircraft in a wind tunnel at NASA's Ames Research Center. By early 2019, following extensive wind tunnel testing at NASA Ames Research Center, an optimized truss and more sweep for the 170 ft (52 m) span wing allowed flying higher and faster, up from Mach 0.70–0.75 to Mach 0.80 like current jetliners. [3]
Challenger I (Challenger UL) Single seat, 31.5 ft (9.6 m) wingspan gives lower stall speed. Can be fitted with a variety of engines. Qualifies as a US "Experimental - Amateur-Built", Light sport aircraft or with the 22 hp (16 kW) Hirth F-33 engine as a US FAR 103 Ultralight Vehicle, 800 reported completed and flown by the fall of 2011.
The Henderson Longster is a conventional landing gear equipped, wire braced parasol wing aircraft. Aeronautical designer Ivan Diggs designed a new 30 ft wing for the Longster. [1] The wire bracing is supported by a central cabane post located over a 1 U.S. gallon (3.8 L; 0.83 imp gal) above-wing fuel tank. The fuselage is steel tubing.
Data from Cliche, Better Half VW and Kitplanes General characteristics Crew: one Length: 13 ft 0 in (3.96 m) Wingspan: 23 ft 6 in (7.16 m) Height: 5 ft 6 in (1.68 m) Wing area: 107 sq ft (9.9 m 2) Empty weight: 244 lb (111 kg) Gross weight: 500 lb (227 kg) Fuel capacity: 5 US gallons (19 litres) Powerplant: 1 × Half VW horizontally opposed twin-cylinder, four-stroke, single ignition aircraft ...
The speed wing restricts the aircraft's useful load to 170 lb (77 kg), while the standard wing allows 250 lb (113 kg). [1] [5] The standard engine is the 40 hp (30 kW) Rotax 447, although engines of 28 to 52 hp (21 to 39 kW) can be used. The manufacturer estimates that a builder will take 100–120 hours to complete this aircraft from the kit.
Single seat, strut-braced flying boat. Engines available were the 40 hp (30 kW) Rotax 447 and the 50 hp (37 kW) Rotax 503. [1] Buccaneer II Two seat, strut-braced flying boat. Engines available were the 64 hp (48 kW) Rotax 582 and the 80 hp (60 kW) Rotax 912. [1] Mallard M2-A Extensively modified Buccaneer, with the wing lowered.
"Electric aircraft generates buzz at Oshkosh air show". Chicago Tribune. August 1, 2010. "Air show examines hybrid airliners". United Press. Aug 2, 2010. "NASA, Boeing Test Low-Drag Truss-Braced Wing Concept: High-aspect-ratio, truss-braced wing promises marked fuel savings". Aviation Week & Space Technology. Aviation Week Network. January 27, 2014
In 1943, he modified the wings with slotted flaps and later still replaced the braced wing with a cantilever one, using the wing from the unbuilt fifth aircraft. [3] The last, sixth aircraft was not completed and flown until May 1957. It was a three-seat, roadable version powered by a water-cooled 120 hp (89 kW) Tucker-Franklin.