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標題: Gear ratio for TA05 [打印本頁]

作者: st_kuen    時間: 2009-4-30 13:56
標題: Gear ratio for TA05
C-hings,

What is the Gear ratio for TA05 (70T Spur gear teeth) for 12T, 15T, 19T & 21T motor?
Thanks!
作者: koji1230    時間: 2009-4-30 14:44
pls read or search old post!!!
作者: st_kuen    時間: 2009-4-30 14:59
Dear Koji,

I found the old post:
http://bbs.rc-evo.com/viewthread ... &extra=page%3D5

13T final ratio=(6.7~7.0)
12T final ratio=(7.0~7.3)
11T final ratio=(7.3~7.8)
10T final ratio=(7.8~8.2
9T   final ratio=(8.2~8.7)
8T   final ratio=(8.7~9.5)

The post is for TA03R.
Is it the same w/ TA05?
Or it is the universal ratio for all RC car?
Thanks!
作者: samitoneau    時間: 2009-4-30 20:50
its is not universal for all RC car. You can calculate by yourself la, no need to search
作者: st_kuen    時間: 2009-5-1 00:01
C-hingS,

Could you tell me how to calculate for my TA-05?
'Gear ratio for TA05 (70T Spur gear teeth) for 12T, 15T, 19T & 21T motor'
Thanks!
作者: koji1230    時間: 2009-5-1 00:26
電車技術討論精華文章
從動齒輪(Spur gear)
http://bbs.rc-evo.com/viewthread.php?tid=48291&extra=page%3D2
作者: st_kuen    時間: 2009-5-1 02:59
Thanks! samitoneau  and Koji

Meanwhile, should I buy 48 pitch or 64 pitch 主動齒輪 for using the original 70T spur gear?
Thanks!
作者: koji1230    時間: 2009-5-1 03:21
as i remember,Tamiya original 70T is 48 pitch ga
作者: koji1230    時間: 2009-5-1 03:26
if u use 70T,use pinion 21T=7.5:1
                                     22T=7.16:1
                                     23T=6.85:1
                                     24T=6.56:1
                                     25T=6.3:1
作者: st_kuen    時間: 2009-5-1 03:53
Many many thanks! Koji




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