taco_reaper

I have decided to undertake a project and am fully fabricating a 1/6 scale cooper mini r/c car. This is my first ground up build and i was wondering what a good engine would be for the car. i know i want gas, and high performance.

what i don't know is what advantages there are between 2 and 4 stroke engines, and all the searches on 4-stroke engines i have done bring up engines for r/c planes.

is there a difference between engines made for planes then ones made for cars?

can i use a plane engine in my car?

FlyingPilgrim

My Feedback: (26)

Car engines have a larger head/heat-sink than do the airplane engines. This is because plane engines always have a nice flow of air across the fins for cooling, while car engines are usually covered by the body and when the car is not moving they have no airflow for cooling. O. S. has a 4-stroke engine designed for car use, and at least one car design uses a small fan to aid in cooling it. 4-strokes run hotter than 2- strokes, so you need better cooling. You could probably get by with an airplane engine IF you design good cooling (either by increasing airflow or a heat-sink or both), but I would think you would be better off with a .21 size engine designed for cars. That way you can use existing parts for flywheel and clutch as well as already having the big heat-sink head. The new multi-port .21 car engines produce some awsome power, and should be plenty for your Cooper Mini project.

Good luck,
Pilgrim

HondaCRX

go gasoline!