阿 发表于 11-5-13 14:09:32

Axial .21RR-1 (Black)

Axial distributor Robitronic got in touch to tell us about the new .21RR-1 3.47cc/.21 engine made for bashing and racing. The engine sports unique cooling and weight reducing holes on the crankcase and cooling head. Brass inserts in the crank shaft for fine-balancing reduce overall vibrations generated by the engine for a smoother and more powerful ride.
Features
- New black anodised aluminium crankcase
- Extra cooling and weight reducing holes in the crankcase and cooling head - Designed for Turbo-type glow plugs
- ABC liner
- 7-port design
- Fine-balanced crankshaft with brass inserts
- 2 needle carburettor
Specifictions
- Displacement: 3.47cc
- RPM: 40,000
- Bore: 15.9mm
- Stroke: 17.5mm
- Weight: 338.5g

terry_chen1978 发表于 11-5-13 15:42:04

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口水流出来了…

lionkk 发表于 11-5-13 17:12:06

leojiao 发表于 11-5-13 17:34:44

好看啊。。。。。。:em07:

Mr.T 发表于 11-5-13 19:15:56

口水一地都是！！

新佬 发表于 11-5-14 10:36:37

感觉挺像O.S的！

kjun_zhao 发表于 11-5-14 12:13:20

好鸡鸡。。。

天很蓝 发表于 11-5-14 19:02:37

:em07::em07:好东西~~
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