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Christophe De Vocht has developed a Drive Calculator program to work out drive ratios for all of Serpents current, and some older, models. The user can input all the pulley sizes as well as the tire diameters for it to work out the ratio, it will also suggest a tire size to get a user determined front to rear drive ratio too.
The Serpent drive calculator will display ratios for the following models:
- Serpent 710
- Serpent 720
- Serpent 835
- Serpent 950R
- Serpent 960