The short answer is: yes, you can use #25 chain for the first reduction
and #35 for the second reduction if you want. #25 is strong enough for
our purposes.
However, the primary reason we switched from #25 sprockets on the motor
to #35 sprockets is the difficulty finding #25 "axle" sprockets with the
proper number of teeth and hub size. If you can find the #25 sprockets
you need (for a decent price), then go ahead and use the #25 motor
sprocket. If not, you can switch the #25 motor sprockets for #35
sprockets and use #35 throughout the drive train.
If you are using motors with an 11mm keyed shaft (4mm key), I have the
tooling to make #35 sprockets with the proper bore and key slot. I'll
make you a pair for the cost of the blank sprockets and postage.
On 10/17/2013 9:15 AM, morrdubay wrote:
Hi me and a few friend are just starting out and was wondering about
gearboxes. The motors we want to use have a #25 chain sprockets on them
but it seems that many tank on here have #35 chain on them. Is it
possible to use a #25 chain for the first reduction and use #35 for the
second?
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