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How to's / Re: Hobbing a Brass or Aluminium Drive Pulley to Stop Belt Slippage
« Last post by Spurry on Today at 03:26:03 PM »
Good job.  :clap: Is there any tendency for the 'teeth' on the pullies to damage your rubber drives?
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How to's / Re: Hobbing a Brass or Aluminium Drive Pulley to Stop Belt Slippage
« Last post by Jim Dobson on July 26, 2026, 09:12:49 PM »
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How to's / Re: Hobbing a Brass or Aluminium Drive Pulley to Stop Belt Slippage
« Last post by Jim Dobson on July 26, 2026, 09:12:18 PM »
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How to's / Re: Hobbing a Brass or Aluminium Drive Pulley to Stop Belt Slippage
« Last post by Jim Dobson on July 26, 2026, 09:11:17 PM »
Here's some pics of pulleys I have hobbed -

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Member Videos / Re: My week this week, my workshop videos!
« Last post by hermetic on July 25, 2026, 02:21:39 PM »
Hi Folks,
It has been so hot! Almost as hot as the seventies!! Last week we did  some field work, but I have not included that in this video as when I looked over it, it was same old, so it was going to be Andy's antiques Repairs, but when I got back and sat down at the computer, it had quit! long story short, it was actually the monitor, but it's all in the video, including antique repairs on a global scale!
Phil, in still scorchio East Yorkshire!
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How to's / Hobbing a Brass or Aluminium Drive Pulley to Stop Belt Slippage
« Last post by Jim Dobson on July 23, 2026, 11:25:25 PM »
I've posted up photos before of hobbed pulley drives. It's a process that works very well and gives a professional result (very similar to what Wilesco does on their drive pulleys). I've done well over a hundred brass and aluminium drive pulleys now.

Here's a vid I did a few years ago of the process -

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Project Logs / Re: Duender build
« Last post by shipto on July 22, 2026, 01:15:49 PM »
Cracking on this is what I came up with for belt tensioners.
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Member Videos / TTB V2 with some mods driving a Baker Fan
« Last post by Jim Dobson on July 21, 2026, 07:59:30 PM »
Running one of Trev's delightful TTB V2 engines with some mods and driving a Baker fan and putting the engine under load.

Trev was an absolutely prolific maker of a range of beautiful brass and copper engines and accessories in his small backyard country shed.

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CNC / Re: It's new to me
« Last post by vtsteam on July 21, 2026, 12:36:36 PM »
Wow. Lot's of work. But it should be rewarding in the end.  :beer:
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Project Logs / Re: Duender build
« Last post by shipto on July 20, 2026, 01:40:37 PM »
I have joined 2 bits of 2020 extrusion for the X axis but I am not sure I am going to get away with it as there seems to be slight resistance when passing the join.
I may need to order a complete bit.
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