very fast.. makes 63482 RPM@2557 KPH could make 41321 RPM@1665 KPH, 9241.5 Nm, 15336 hp all in a plastic gokart?!

at first it cant run but when i fix the flow attenuation, good job cuz i made this run normally

this may not be too accurate but the sound is what's the most accurate. i think. this is based off of my mom's car w...

this is version 2 of this screamer too fast, top speed with dyno:480 kph top rpm with dyno:**...

A tiny engine for RC Planes. Inefficient if you use high rpm