Don`t know where to really start the rev control valve arrived early but only now had time to connect it unfortunately i don`t have the correct size tube so i did my best with pvc.
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Lo and behold the first time i switched the comp on it self started next time it did not out of about 20 times 6 times it did rev/fwd so on average we have to say failure. If only a way could be found to stop the cylinder at a specific point ( magnet on the flywheel maybe ) then it might work. Still feel there is potential just need someone with a good brain the other point is how is this controller mounted it may just be to big to mount on the platform otherwise i`m only going to have a car that is steerable.