Hey i need help with transmission gearing ratios for a 21 speed tranny but i cant find any info on the gearing on it dose anyone know or know where i can find 21 speed gearing ratios.
its part of a project I'm doing and I've looked for 2 days and cant find any info on it so i guessed i would ask here and see if someone can help me out. I only have 2 more days left till i got to turn it in please help so i don't haft to waste 3 days of work and 2 days of searching im starting to get worried

Thanks,
Dark

 

think what you need is the gearing ratios for a 18 speed, there will be 21 gear ratios. 18 farward and 4 revers(2 of the revers will be block out on the slector as the gearing is useles)


1st 14.89
2nd 12.41
3rd 10.40
4th 8.66
5th 7.32
6th 6.09
7th 5.05
8th 4.21
9th 3.54
10th 2.95
11th 2.47
12th 2.06
13th 1.74
14th 1.45
15th 1.20
16th 1.00 (this is direct so realy theres no ratio)
17th 0.84
18th 0.70
Rev. 1 15.64
Rev. 2 13.03
Rev. 3 (bloced useless)3.72 this would be like trying to move in like 9th from a stop
Rev. 4 (blocked useless)3.10 this would be like trying to move in like 9th from a stop
this is created by mixing useing 9 difrent gears