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Originally Posted by Dbell5555
This has to run on a 12V system, will those little RC car motors run on that?
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Typical RC car motors run on 7.2 V. You can find them running on 8.4V and 9.6V, (notice the 1.2V increment, guess why). But they can be a bit more costly.
You can always build a fairly simple voltage regulator with a power resistor and a zener diode. This will limit the maximum voltage to the motor, but you will need to carefully calculate the power rating for the resistor. Simple circuit designs are available with just a Google search.
Good luck!!!