Crankshaft rods cams

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If you scale down a motor to half size then the volume is 1/8th (to the cube) but things like injectors and throttle bodies need to be sized (to the square) to suit the flow.

Example a half size Ø40 throttle body does not scale down to Ø20 but rather Ø14.1 (square root of (40x40)÷(2^3)

The square root of the original diameter squared ÷ scale cubed

Ditto for injectors.

Regards, Ken
 
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