Displacement: 3,49 cc
R.P.M. (max power): 34.000 RPM
Practical range: 6.000-36.200 R.P.M.
Bore x stroke: 16,26x16,80 mm
Sleeve: 5 ports
Rear ball bearings: steel
Front ball bearings: steel
Crankshaft: 14 mm - turbo
Carburetor: plastic - 9 mm - reverse
Glowplug: Turbo (C6TGC)
Exhaust position: rear
Weight: 363 g
Fuel type: 25% nitro
The ignition timing is controlled with these little rings of various thickness. To change the ignition timing you can add or remove a ring of a certain thickness.
The sleeve has 5 transfer ports to supply a linear power output and to keep fuel consumption low.
The crankshaft is manufactured with a larger bore intake to increase the mixture flow;and has a special shape to optimise gas-flows in the engine.
The R7 conrod is made from a superlight alluminium which has been checked ultrasonic. The specific form of the R7 creates little turbulence inside the engine while running.
This carburettor is made from plastic and have a sliding throttle valve. (reverse type).
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!
The combustion chamber is supported by an O-Ring which is placed between the combustion chamber and the crankcase to reduce the vibrations of the combustion chamber.