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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.
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 Excalibur Ib has improved reliability and lower unit cost than the previous Excalibur Ia-1 and Ia-2. At the time of the award, over 690 Excalibur projectiles had been fired in theater. [ 52 ] In February 2014, the U.S. Army and Raytheon fired 30 Excalibur Ib shells at test targets to confirm the performance and reliability of the ...
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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.
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
[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.