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Mechanical tech This is for the mechanical parts of a model. Gear reductions, Axles, Transmissions, General drive line


View Poll Results: Would you buy this if it went into production?
Yes I would buy a metal version 13 34.21%
Yes, but I would like a cheaper plastic version 18 47.37%
No, there are better options out there 7 18.42%
Voters: 38. You may not vote on this poll

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Old 06-25-2016, 05:02 AM
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Doggy Doggy is offline
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Default Re: Tamiya bolt on reduction gear

Well the GRU with dual outputs is out there for years, you can find it on tamiya high lift models. In combo with high lift 3speed its not bad. But the main problem is it sits to low under the gearbox. I would hate to modify my truck to fit it, as I already had to modify my high lift to be able to use it offroad, and its still in the way. Thats why I want to move the front output to the side of the gearbox, but then you will have to use my front axle.


@ Bo Wallen: I can change the gear ratio. Right now the gear ratio si 13-44 20-38. I would say thats a max for plastic gears with 5mm shafts. I will try swap 13T to metal 10T to test the speed on that. But if you want to change it to go faster, there is no problem to make few other gears.
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3speed, gearing, reduction, tamiya


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