How can I find my VEX Versaplanetary Gearbox Ratio?

We have a VEX VersaPlanetary gearbox with a bag motor that we used in the past. Unfortunately, the sticker has fallen off and we did not etch the box with the ratio. How can we find what ratio we are at?

open up the gearbox, use the user manual, and count the teeth

There is a document on the VEX site called the “VersaPlanetary Ratio Identification Guide (PDF)]” that has the info you need to identify which gearsets you have. You will need to open them up to look at the clusters inside.


It’s a little expensive, but if you have a lot of VP’s, this can be useful: VersaPlanetary Template – ARMABOT


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