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Author Topic: RW-BL1K some mods done & Running a Blue Thunder Generator  (Read 1623 times)

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Re: RW-BL1K some mods done & Running a Blue Thunder Generator
« on: February 09, 2026, 04:41:14 pm »
Quote from: St Paul Steam on February 09, 2026, 06:22:47 am
Very nice mods Jim. interesting way you "hobbed" the knurling on the step pulley.

Thanks Bruce, I've done many drive pulleys now and made up about 7 jigs for different sized axles.
It works very well and very similar to what a Wilesco drive pulley looks like.
Here's a brass drive pulley I hobbed yesterday -

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Cheers.
Jim

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