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Unread 08-02-2016, 09:24
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Re: paper: [Ri3D] The GreenHorns 2016 Present: Rivvet

Quote:
Originally Posted by epicnun View Post
In the link it says the ratio for a 775pro with this gearbox is 12:29. Is that correct ratio or would we have to change the gears, and if the latter, where would I get the gears and which ones?

(I am really sorry if this is a stupid question. We are a rookie team trying to figure out what we are doing! haha)
There are no stupid questions. 12:29 is correct, which if you do the math (29/12 ~ 2.4:1). I believe you were originally looking for something near 2:1. Others have suggested versaplanetary 3:1, which is also a fine option - possibly easier to mount. You need to look at both in CAD and see which works better for you. The 2.4:1 will spin your flywheel 3.0/2.4 or 25% faster.
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