Displacement: 3,49 cc
R.P.M. (max power): 32.000 RPM
Practical range: 6.000-38.000 R.P.M.
Bore x stroke: 16,26x16,80 mm
Sleeve: 4 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 4 transfer ports , the best compromise to make a linear power supply with minimal fuel consumption combination possible.
The crankshaft is made from high quality steel and is available in TURBO SG version.
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.
The carburettor of this engine is made from plastic and in "reverse" style and has a sliding throttle valve.
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!