Quote:
Originally Posted by kinetic
I was wondering about a good clutch method for both the RA and DEC...
And keyways too! You machined the keyways as well!?
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Hi Steve,
Yes a clutch is a must to prevent an accident stripping a tooth. Not a good look!
For the hard anodised set I had the wormwheel sandwiched between two clutch faces and thin cork placemat material as the friction material. A screwed collar applied the pressure. That set of drives now lives in the Netherlands.
The current setup has a friction roller as the final drive. see picture below. it will slip if some drongo (usually me) knocks the scope.
Yes, I broached the keyways on my lathe.