Novarossi TOP T-RALLY .21 .21 7 Port Turbo Race Engine
This is New Novarossi TOP T-RALLY.21 Turbo Engine.
This is a special balanced crankshaft. Made to meet even the highest standards of our most demanding drivers. Slightly reduced rotational mass and greatly improved fuel flow provide great performance..
This Piston/Sleeve set is optimized for use in EFRA/IFMAR competition events and is made from hard chromed brass and features 7 transfer ports.
The conrod is made from superlight&superstrong alluminium to make the lightest and strongest possible conrod to withstand the abuse of a .21 racing engine.
The carburettor of this engine is made from metal and has a sliding throttle valve...
Rear Ball Bearing:
The rear ball bearing has high quality steel balls to minimize wear and inertia to improve acceleration and fuel consumption.
The rear cover presents a round shape to optimize the filling and reducing the dead spaces.
the steel plate is to reduce friction and to expand the lifespan of the conrod.
C.Capacity : 3,49 cc
R.P.M. (M.P.) : 38.100 Rpm
Range: 6.000 : 44.400 Rpm
Bore : 16,26 mm
Stroke : 16,80 mm
Ports : 7
Crankshaft : ? 14,00 mm Balanced
carburettor : Metal ? 9mm
Main Bearing : High Speed