NOVAROSSI (#35plus21) 21 On Road Engine
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|Fuel recommendation: This engine has been developed to be used with a fuel with a maximum of 25% nitro content and with an oil percentage not lower than 7%. We therefore suggest not to use it with different percentages compared to the ones specified here above.
Glowplug: The glowplug of engine is a Turbo type glowplug.
Turbo glowplugs have a different shape than Standard glowplugs and therefor are not interchange able with engines that are using Standard glowplugs!
Crankshaft: The crankshaft is grinded to increase the mixture flow and has a special shape to reduce turbulences inside the crankcase. The balancing is done by two inserts made of tungsten alloy and the inlet has a silicon filling to reduce the weight of the crankshaft to improve acceleration. The ball bearing was lowered to 5mm. The front part was extended to improve the seal against fuel leaking.
Sleeve: The sleeve is manufactured with 9 transfer ports and an exhaust with booster ports, designed after fluid-dynamics studies, so we increased the maximum power, and taking care of the fuel consumption.
Rear cover: The rear cover presents a round shape, this minimises the dead space and allows easy access for quick check-up.
Engine Size: .21
Displacement: 3.49 cc
Maximum power: 2.87 hp
R.P.M. (M.P.): 38.200 rpm
Practical Range: 6.000÷ 45.800 rpm
Bore x Stroke: 16.26 mm x 16.80 mm
Ports nr.: 9
Rear Ball Bearing Type: Ceramics
Crankshaft Type: 14,50mm - TURBO SG
Carburetor Type: 9,0mm - Slide
Carburetor Material: Aluminium
Carburetor Adjustment: Single
Glowplug type - Code: TURBO - C7TGF
Exhaust position: Rear exhaust
Fuel type: Advise 25% Nitro