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Ultraleicht-Fluggerätebau Wildente

uf-wild


Single-seat single-engined high-wing monoplane with conventional three-axis control. Wing has unswept leading and trailing edges, and constant chord; cruciform tail. Pitch control by elevator on tail; yaw control by fin-mounted rudder; roll control by half-span ailerons; control inputs through stick for pitch/roll and pedals for yaw. Wing braced from below by struts; wing profile Ga 549; double-surface. Undercarriage has three wheels in tricycle formation; steel-spring suspension on nosewheel and glass-fibre suspension on main wheels. Push-right go-right nosewheel steering connected to yaw control. Brakes on main wheels. Aluminium-tube framework, with pod. Engine mounted below wing driving pusher propeller.

Two prototype examples of this machine were on show at Friedrichshafen in March 1983, but the Wildente did not fly for the first time until 16 April. This machine has a welded tubular framework, which appears to have great rigidity and is also claimed to allow derigging and rigging in less than 10 min. It is sold built and ready to fly. Options include wheel fairings and a three-blade propeller.

Length overall 19.4ft, 5.90m
Wing span 34.4ft, 10.50m
Constant chord 4.9ft, 1.50 m
Total wing area 166 sq.ft, 15.4 sq.m
Wing aspect ratio 7.2/1
Wheel track 5.1 ft, 1.55 m
Engine: Hirth F263, 22hp at 4000rpm
Propeller diameter 51 inch, 1.30 m
Belt reduction, ratio 1.8/1
Max static thrust 172 lb, 78 kg
Power per unit area 0.13 hp/sq.ft, 1.4 hp/sq.m
Fuel capacity 5.3 US gal, 4.4 Imp gal, 20.0 litre
Empty weight 221 lb, 100kg
Max take-off weight 464 lb, 210kg
Payload 243 lb, 110kg
Max wing loading 2.79 lb/sq.ft, 13.6kg/sq.m
Max power loading 21.1 lb/hp, 9.5kg/hp
Load factors; +6.0, -3.0 ultimate
Never exceed speed 62mph, 100kph
Economic cruising speed 47 mph, 75 kph
Stalling speed 26 mph, 42 kph
Max climb rate at sea level 240 ft/min, 1.2m/s
Min sink rate 310ft/min, 1.6m/s
Best glide ratio with power off 9.5/1
Take-off distance 130 ft, 40 m
Range at average cruising speed 124 mile, 200 km

 

 


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