On 05/08/2019 21:29, Gareth's was W7 now W10 Downstairs Computer wrote:
What's the favoured approach to getting hold of gears,
to cut them yourself, or to buy from, say, HPC gears?

I used my 3d printer to produce the gears and pulleys for motorising my
astronomical telescope.

Your application may be somewhat more strenuous.

Another Dave

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Change nospam to techie