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Data from Cliche & HKS General characteristics Type: Two cylinder, four-stroke aircraft engine Bore: 85 mm (3.3 in) Stroke: 60 mm (2.4 in) Displacement: 680 cc (41.49 cu in) Dry weight: 55 kg (121 lb) equipped with electrical system, electric starter, carburetors, gearbox, exhaust system, oil tank and cooler Components Valvetrain: two intake and two exhaust valves per cylinder Fuel type ...
The Excalibur was designed as "clone" [1] of the Quad City Challenger II aircraft. The company took the basic Challenger design and incorporated many changes, including mounting the engine upright allowing larger propellers and the Rotax gearbox to be mounted, lengthening the tailboom and enlarging the tail vertical surface to increase stability, shortening the ailerons and replacing control ...
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 Sikorsky VS-44 was a large four-engined flying boat built in the United States in the early 1940s by Sikorsky Aircraft. Based on the XPBS-1 patrol bomber, the VS-44 was designed primarily for the transatlantic passenger market, with a capacity of 40+ passengers. Three units were produced: Excalibur, Excambian, and Exeter, plus two XPBS-1 ...
This meant that the Excalibur would have to get a 100 mph (160 km/h) increase in speed and be able to fly 1,000 ft (300 m) higher. It would need to cross the United States nonstop. The first decision was to re-engine the Excalibur with Wright R-2600 radials, which had not been tested yet. The next decision was to start from scratch while saving ...
Two seats in tandem version, intended for the US homebuilt category. It has a 23.5 ft (7.2 m) wingspan. Standard engine is the 80 hp (60 kW) Rotax 912 and cruise speed is 120 mph (193 km/h) with that engine. Acceptable power range is 52 to 80 hp (39 to 60 kW). No longer in production. 145 were reported flying in 1999. [6] Tornado II FP
The powerplant is a Japanese, twin cylinder, air-cooled, four-stroke, dual-ignition 60 hp (45 kW) HKS 700E engine. This engine choice provides similar reliability, smoothness and fuel economy to the Rotax 912, but at a much lower cost. With the HKS 700E engine the aircraft is designated as the Air Creation Trek 700E. [1]
The SA26 Merlin is a pressurized Excalibur fitted with a different Lycoming TIGO-540 6-cylinder geared piston engine. The TIGO 540 was used despite the fact that one of the reasons the IO-720 was used in the Excalibur was that the Queen Air series' IGSO-480 and IGSO-540 engines from the same manufacturer were so troublesome.