Quote:
Originally Posted by Forhire
Tetrix gears are actually 0.8 Mod (31.75 DP) 20 PA. 32 DP is close enough for most things, but be aware it could affect your center distance. 0.8 Mod is common in rc parts so that may help your search. You may be able to source 20 tooth pinion wire. With a 20 tooth it won't matter 32 DP or 0.8 Mod. Pinion wire is fast just bore and part off to length. Press it onto the shaft. You can also turn a shoulder for set screws if it needs to come apart later.
Before I bought a set of 0.8 module cutters I used 32 DP cutters and metric OD... this kept my center to center distance correct.
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Emphasis added. Thanks Dan and Randy for correcting me.