No. 12357. Avia Av-36 Bojar (OK-AHZ)
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Avia Av-36 Bojar

04/30/2014. Remarks by Walter van Tilborg and Johan Visschedijk: "The Av-36 was one of several light aircraft designs to appear in Czechoslovakia shortly after WW II. The side-by-side two-seater was designed under the leadership of Ing. František Novotný. Featuring a cantilever wing and a 65 hp Walter Mikron 4-III piston engine, the Av-36 prototype made the first flight on July 16, 1946. It appeared at the November 1946 Salon Aéronautique at Le Bourget, Paris France, carrying the registration OK-AHZ.

Reportedly the same aircraft was subsequently fitted with the more powerful 105 hp Toma 4 engine, while the fuselage was lengthened to 26 ft 2.2 in (7.98 m). Redesignated Av-236 the modified aircraft had a generally better performance, including a maximum speed of 136 mph (219 kmh) and ceiling was 13,123 ft (4,000 m). The Av-236 was reportedly first flown in 1947 and retained the OK-AHZ registration, however, nofurther development took place."

The following data relate to the Av-36.

TYPE. Two-seat Cabin Monoplane.
WINGS. Cantilever high-wing monoplane. Wooden two-spar structure with plywood covering. Wooden ailerons with fabric covering, and all-wood trailing-edge flaps between ailerons and fuselage.
FUSELAGE. Welded steel-tube structure with fabric covering.
TAIL UNIT. Cantilever monoplane type. Wooden structure with ply-covered fin and tailplane, and fabric covering over rudder and elevators.
LANDING GEAR. Fixed two-wheel type. Each main wheel carried on single cantilever shock-absorber leg and faired by metal spat. Mechanically. operated brakes. Steerable tail-wheel.
POWERPLANT. A Walter Mikron 4-III four-cylinder air-cooled inverted in-line engine rated at 65 hp at 2,600 rpm at sea level, and driving Avia two-blade fixed-pitch wooden airscrew. Fuel capacity 11.9 gal (45 l); oil capacity 1.9 gal (7.3 l).
ACCOMMODATION. Enclosed cabin seating two side-by-side with dual controls. Access door on each side.

Created April 30, 2014