Joined: Sun Sep 20, 2009 15:17:09 Posts: 311 Location: Frankfurt, Germany
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Hello,
just in case that any more are interestet in which component(s) to pick for a designated top speed, I would like to post a simplified formula below.
pinion gear = spur gear * internal ratio * 5050 * designated top speed / motor rpm / 60 - 5050 is specific for 63mm tyres - Top speed is needed in km/h
Please don't forget to check the 'fastest' allowed gear ratio for the used motor. Just ask if you want to have the detailed formula or a formula for mph and/or other tyre diameters.
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