PLUS.21-4BTT - World Champion


   Displacement: 3,49 cc
   R.P.M. (max power): 35.500 RPM
   Practical range: 6.000-38.000 R.P.M.
   Bore x stroke: 16,26x16,80 mm
   Sleeve: 4 ports
   Rear ball bearings: ceramic
   Front ball bearings: steel
   Crankshaft: 14 mm - turbo - tuned
   Carburetor: plastic - 9 mm - reverse
   Glowplug: Turbo (C6TGC)
   Exhaust position: rear
   Starting: -
   Weight: 363 g
   Fuel type: 25% nitro
download-exploded-view
carburetor-setting
instruction-manual

Also available with rear and front ceramic ball bearings (Plus.21-4BTTS/WC)


FEATURES

ifmar-wc-2012   08502-11   15007T   02663
IFMAR World Champion:
IFMAR 2012 World Champion Engine in Argentina with Robert Batlle and Europen Champion in Austria with Darren Bloomfield.


  Sleeve:
The sleeve has 4 transfer ports , the best compromise to make a linear power supply with minimal fuel consumption combination possible.


  Crankshaft:
As this engine comes as "Factory Tuned" we have modified the crankshaft to futher improve the power output and driveability.


  Coolinghead:
This a 'Lighter&Lower evolution 2' type of cooling head. It is drilled and milled out to reduce the mass of the coolinghead which sits high up in the car and thereby lowering the Center of Gravity of the engine/car.
biella-R7   13020   16801   24063
Conrod:
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.
  Backplate:
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.
  Rear ball bearing:
The rear ball bearing has high quality ceramic balls to minimize wear and inertia to improve acceleration and fuel consumption.

  Carburettor:
The carburettor of this engine is made from plastic and in "reverse" style and has a sliding throttle valve.


 

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