O.S. FF-320 Pegasus 4-Cylinder Ringed 4-Stroke Engine. This horizontally opposed 4-cylinder engine is designed for large scale engines.
Specifications:
Type: 4-stroke, 4 cylinder glow powered airplane engine
Displacement: 0.809 cu in (13.3 cc) x4
Bore: 1.091 in (28.0 mm)
Stroke: 0.866 in (22.0mm)
HP: 4.1 hp @ 8,000 rpm
RPM Range: 1,800 - 8,500 rpm
Length: 7.15 in (181.5mm) from back of mount to front of drive washer
Width: 7.72 in (196mm)
Height: 3.15 in (80mm) from center of mounting holes
Weight: 4.83 lb (2.19 kg)
Plug Type: (4) Type F glow plugs
Carb Type: 2-needle rotary
Crankshaft Threads: 5/16-24
Prop Range: 18 x 10 - 22 x 8
Recommended Fuel: 2-Stroke fuel with 5%-15% nitromethane and 16% MINIMUM oil content
This product was added to our catalog on April 19, 2017