How to set TA05 gear ratio 12:1?

What spur and pinion gears should I get to set final gear ratio of 12 to 13:1? Thanks.

Why on earth you need to set the ratio so high in the first place? ( Even if you planned to use a brushless engine )

Anyway, i think you will have 2 use the biggest spur gear to match that gear ratio you want. (the 108 tooth spur)

Yes, I plan to use brushlees and want to play safe first. So I will get a 108T spur and 19T pinion to try first.

用原装105t得啦
105/19t x 2.25 = 12.43

Thanks. I can use my Tamiya gears stock.

原帖由 SnackEater 於 2007-10-28 01:06 發表

                               
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用原装105t得啦
105/19t x 2.25 = 12.43

等等．．．105T不是06 module來嗎？

Oh! Then I need to buy 06 105T and 06 19T.