Quote:
Originally Posted by Joey Milia
Is this a drive gearbox? How many cims do you have on it?
I have no guarantee that 6mm wide GT2 will handle the power of even 1 cim. 9mm wide GT2 and 6mm wide GT3 will work fine for a cim on the first stage. I haven't tried using 3mm pitch on anything other than the first stage and I would worry about torque capacity. I recommend looking at gates belt power tables and compare the values with what you know works. You can't take their values at absolute face value because we don't know what a good correction factor is for FRC use, extremely harsh conditions but also extremely short acceptable lifetime.
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It's a three CIM, two speed drive gearbox.
Anywhere I said GT2, I meant GT3 (and in the case of the design, now 9mm wide GT3). I'm just starting out with belts and didn't realize that they were the replaceable with each other. I'll take a look at the tables.
The other option I see is to double up the 6mm wide GT3 belts and pulleys, since I'm not sure that the 9mm pulleys have enough space for the bearing and dog teeth.