Aviomac 250cc Quad Gas Engine with IDM Ignition (Magneto)
Displacement: 241,3cc (14,72 cu in)
Bore: 49mm (1,929 in)
Stroke: 32mm (1,26 in)
Fuel: Gasoline + oil mixture (4%)
Inlet system: Reed valve into the crankcase
Weight without ignition: 15,97 lb (7,19 Kg)
IDM ignition Weight: 2,00 lb (0,9 Kg)
Performance (approx.): 6550 RPM with 28/12
The 250cc QUAD is a 4 cylinders which operates in the “Boxer Style” system with opposed cylinders, very powerful and at the same time very light.
The crankshaft has been totally obtained from a whole steel bulk, made by utilizing high- tech CNC machinery and precision castings and supported by four aerospace quality ball bearings with very high smoothness.
The impecable fit between the four chromium-plated cylinders and the dual-ringed pistons produces maximum power and guarantees considerable performances for a lot of hours.
The fuel is supplied by two reed block valves and by two Walbro carburetors with fuel pump incorporated.
The electronic ignition includes the Easy Starter system which makes starting extremely trouble-free.
Performance with different propellers: 6000 RPM with 30/10 (30Kg), 5100 RPM with 32/10 (31Kg)