R21 Plus8


   Displacement: 3,49 cc
   R.P.M. (max power): 36.200 RPM
   Practical range: 6.000-40.200 R.P.M.
   Bore x stroke: 16,26x16,80 mm
   Sleeve: 8 ports
   Rear ball bearings: steel
   Fronto ball bearings: steel
   Crankshaft: 14,5 mm - turbo
   Carburetor: plastic - 9 mm - slide
   Glowplug: Turbo (C6TGC)
   Exhaust position: rear
   Starting: -
   Weight: 363 g
   Fuel type: 25% nitro
  download-exploded-view
carburetor-setting
instruction-manual

 

FEATURES

biella-R7   08538   candela-turbo   28028
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.
  Sleeve:
The sleeve has 8 transfer ports and an exhaust with booster ports. The special shape and positioning of the ports, covered by a patent, improve the internal fluid-dynamics to obtain the maximum possible performance.
  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.
  Combustion chamber:
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.

 

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