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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.
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.
The design was given the designation L-049 or Excalibur A. The wings of the aircraft were similar to those used by the P-38 Lightning fighter. The aircraft was to be powered by four Wright R-3350 Duplex-Cyclone radials with the Pratt & Whitney R-2800 as the back-up. Re-designed, the Excalibur was to be priced at $450,000, making it the most ...
Heinkel He 112B-1/B-2: Germany: Fighter 30 Purchased in 1939, retired in 1948 Henschel Hs 129B-2: Germany: Attack 40+ In service 1943–1949 IAR 39A/B: Romania: Reconnaissance/light bomber 255 In service from 1941, retired after 1948 IAR 47: Romania: Reconnaissance 1 In service from 1941, retired after 1948 IAR JIS-79B, JRS-79B/B-1: Italy ...
1 x 76.2 mm M-1936 F-22 (1) 1 x 76.2 mm ZIS-3 (20) 1 x 7.92 mm ZB-53 machine gun Vânătorul de care R35: Tank destroyer/light tank: 30 converted from R35s: 1 x 45 mm 20K mod. 1932–34 tank gun Mareșal: Tank destroyer: 6 prototypes: 1 x 122 mm M1910/30 howitzer (4) 1 x 75 mm DT-UDR (2) 1 x 7.92 mm ZB-53 machine gun
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