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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 ...
The new design differed so much from the original Excalibur, that a different model designation was needed. It was first given the temporary designation L-104, then it was later officially designated the Model 49 or "Excalibur A". In time, the Model 49 would become a completely different aircraft from the original Model 44.
[1] [3] The reduction drive is a choice of two integral gearboxes: the A-type gearbox has a 2.58:1 ratio and can accommodate propellers of up to 4,000 kg/cm2 inertial load; the B-type gearbox has a 3.47:1 ratio and can accommodate propellers of up to 6,000 kg/cm2. [1] [3] The 700E burns 9 L (2.4 US gal) per hour in cruise flight at 4,750 rpm.
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 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.
Excalibur Airways Airbus A320 at Faro Airport in 1992. Excalibur Airways was formed in the spring of 1992 and was based at the East Midlands Airport. It began charter operations with three leased Airbus A320s and most of the flights were out of London Gatwick airport. In 1994, one more A320 and a Boeing 737-300 were added. Excalibur was the ...
1 In service 1910–1914 A Vlaicu II: Romania Monoplane 1 Crashed in 1913 A Vlaicu III: Romania Monoplane 1 Captured by Germany in 1916 Albatros B.I: Germany Reconnaissance: 1 Purchased in 1913, retired in 1917 Aviatik C.I: Germany Reconnaissance 1 Purchased in 1916 Blériot XI: France Monoplane trainer ~28 Retired in 1919 Blériot XXI: France
In December 2010 the CEA-308, powered by the Jabiru 2200, set four FAI records for aircraft weighing less than 300 kg. It averaged 223 miles/hour for four runs over the 3-km low-altitude course [ 6 ] and 203 mph on a 100-km circuit.