€379.00 €249.00

ONYX .21 7 transferts roulement AR cétramique

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  The piston is made from a special selected alloy that withstands the high forces happening at 42.000 RPM

The sleeve is made with a tapered design, this will maintain the compression even when the engine heats up.

Depth testing of many different alloys & technologies before arriving at the final product. Connecting rods developed for very high RPM nitro engines.

 The ONYX .21 engine features a 14mm high tensile steel crankshaft with 3 tungsten balance weights to inherent vibrations of a single cilinder engine.
The single turbo scoop improves crankcase pumping and fuel atomization

Carburetor is built with distinct circuit for delivery of fuel/air mixture to the combustion chamber in proper ratios to provide smooth engine operation from start-up through wide-open-throttle position.

Engine specs:

RPM: ———————————-42500

P/S: ———————————–7 ports

Rear Ball bearing:———————Ceramic WIB (25,4mm size!)

Front Bearing:————————-Steel

Crankshaft:—————————–With Silicon and 3 tungsteen balance: 14 mm – turbo


Glow Plugs:—————————–MT Onyx 7

Exhaust :——————————–Rear


Weight:———————————- 340 g:


Blend:————————————16 – 25 % nitro



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