Algodoo

i deleted the scene

and sorry

You're using thrusters. What if you find out that your engine has too little power? you add force to the thrusters. That would be the same than putting a motor axle instead of the whole "engine". So you should make the spring stronger so that you don't need thrusters (OR make a spawn or collision or bounce engine) but that has a more complex acceleration system. For example, I've made a w16 that had 3500 Nm, and vaidas made one that had 7000. this engine has infinite, and you didn't make an effort to do it

Try putting 50000 N/m to the spring constants and -0.1 to the damping

and density 300 to the cylinders

If i did that the tractor would be shaking like nuts cause that is what i used to do... and thanks Mustang 41

Also please stop commenting about thrusters please cause the engines i make are what make my scenes unique to me but thanks for tips and i dont make my engines have a crazy ammount of power, i use realistic ammount of power

Yes, I mean that it's not really "challenging" to make an engine with thrusters (unless you put them on the cylinders). but I won't bother if you don't want to

Ok just that engines with thrusters for throttle is the easiest way for me to do it with minimal scripting and the scene having a small size