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Wassmer WA 30 Bijave
 
Wassmer-30
 
This tandem two-seat advanced training glider was the standard aircraft in this category for the French gliding clubs during the 1960s, and was developed from the WA 21 Javelot. Designed by M Maurice Collard, the first prototype Bijave made its maiden flight on 17 December 1958 and the second prototype, incorporating some improvements, first flew on 18 March 1960.
 

Wass-WA30-02

 

The Bijave is of conventional mixed construction very similar structurally to the Javelot; the cantilever wooden shoulder wings are in three pieces, with 4° 30' dihedral on the outer wings and none on the centre section. They have single box spars and D type leading edge torsion boxes, with birch plywood covering forward of the spar and fabric covering aft of it; the plain spruce ailerons are also fabric covered. There are no flaps, but perforated Schempp-Hirth wooden air brakes retract into slots above and below each wing; wing tip 'salmon' fairings are also fitted. The fuselage is a welded steel tube framework covered with fabric, and with a glassfirbe nose cone. The two pilots sit in tandem under individual blown Plexiglas canopies, the rear seat being raised a bit to give its occupant a good view forward; a full range of instrumentation, a compass, oxygen and radio can be carried. There is a retractable monowheel with rubber ring shock absorption and a SATMO motor-cycle brake mounted aft of a rubber-sprung wooden nose skid, and there is also a steel tailskid. The cantilever wooden tail unit has a fabric-covered rudder, and the all-moving one-piece tailplane has large antibalance tabs.
The type soon went into production and over 300 were eventually built.
 
Span: 55 ft 3.5 in
Length: 31 ft 2 in
Height: 9 ft 0 in
Wing area: 206.7 sq ft
Aspect ratio: 15.0
Empty weight: 650 lb
Max weight: 1,213 lb
Max speed: 149 mph (in smooth air)
Max aero-tow speed: 93 mph
Min sinking speed: 2.30 ft/sec at 47 mph
Best glide ratio: 30:1 at 47 mph
 
 
 
 
 
 
 


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