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Leading Edge Air Foil Trike

leaftrike


Single-seat single-engined flex-wing aircraft with weight-shift control. Rogallo wing. Pilot suspended below wing in trike unit, using bar to control pitch and yaw/roll by altering relative positions of trike unit and wing. Undercarriage has three wheels in tricycle formation; suspension on nosewheel and glass-fibre suspension on main wheels. Push-right go-left nosewheel steering independent from yaw control. No brakes. Aluminium tube trike unit, without pod. Engine mounted below wing driving pusher propeller.
This single-seat, single engine trike unit uses a double-pole structure, stiffened by the tubes forming the side supports of the seat, and is adaptable to fit most weight-shift hang-gliders.
The combination of glass-fibre laminate suspension on the main wheels and large wheel diameters should guarantee it remark-able all-terrain performance. Previously powered by a Cuyuna 430D or 430R 30hp engine with a 2/1 reduction drive, it was later offered with the type ULII-02 35hp engine from the same company, still with a 2/1 reduction drive. The Leaf is easy to rig and when folded it measures 8.0 x 5.7 x 3.7ft (2.44 x 1.70 x 1.09m). Price was $2495 built in 1982.

Trike unit
Engine: Cuyuna ULII-02, 35hp.
Propeller diameter and pitch 54x27 inch, 1.37 x 0.69 m.
Reduction ratio 2.0/1.
Max static thrust 165 lb, 75 kg.
Fuel capacity 5.0 US gal, 4.2 Imp gal, 18.9 litre.
Length overall 7.4ft, 2.26m.
Height overall 8.3 ft, 2.51 m.
Width 5.6 ft, 1.70 m.
Wheelbase 5.1 ft, 1.55 in.
Nosewheel diameter overall 16 inch, 40 cm.
Main wheels diameter overall 20 inch, 51 cm.
Empty weight 149 lb, 67 kg.
Payload 250 lb, 113 kg.
Max level speed 45 mph, 72 kph.
Max cruising speed 32 mph, 51 kph.
Stalling speed 24 mph, 39 kph.

 

 

 


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