So here is a separate thread from the news thread of Bob's passing.
Originally Posted by
maillemaker
Back in 2017 I started playing around with a 3D printed motor chassis:
Attachment 2274012
more pictures here:
https://imgur.com/a/UdA0EkK
I was having trouble finding the right motor/rpm.
I can't remember where I left off now. Got parts strung here and yon.
So like you, I have been looking into using gearmotors like the ones used in the ETO gearboxes for quite some time. I need to find my little tachometer thing to measure the speed of the ETO gearboxes.