One of my hobbys used to be rc car racing. First scale 1:8 (mainly off-road cars), later 1:5 scale touring cars. The 1:8 cars were powered by a one-cilinder 3,5 ccm engine producing about 1.5 Bhp/30.000 rpm (!). Fuel was a mixture of methanol, oil and nitro oxygen. Top speed of the cars was about 70 km/h. Some of my early cars were 2 wheel drive, later they all were 4 WD. |
The 1:5 scale cars are powered by modified 22 ccm chainsaw engines. They are rear wheel drive and have a top speed of about 80 km/h. Fuel is a normal 2-stroke mixture which is relatively cheap compared to the 1:8 fuel. In general the large 1:5 cars are more reliable than the 1:8 cars, and as long as you don't hit anything with it, they never break down. Also you don't need a complex start-box, you simply pull the cord and most cases the engine will start immediately. |
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