Help gearing my tamiya f103gt
i am getting a brushless system which is classed as a 13t for my tamiya f103gt direct drive chassis and im going to get an 80(ish) tooth 64dp spur gear but i dont have a clue about what pinions to use, i know that ill probably have to do some fine tuning, but ive been told a way of roughly finding a close pinion quickly but i've forgot how to.
any help on finding a way of finding the pinion to use would be appreciated
links to the items that your can recomend would be useful
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