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Old 23rd Dec 2005, 10:52 pm   #1
mellow
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Default Control knob retaining springs.

What's a good replacement for the lost springy metal to fit in keyway to keep the knobs from dropping off?
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Old 24th Dec 2005, 5:25 am   #2
stephanie
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Default Re: Bakelite knobs.

Quote:
Originally Posted by mellow
What's a good replacement for the lost springy metal to fit in key way to keep the knobs from dropping off?
Another springy metal thing from a damaged knob. That's usually what I'd use. And I'd make sure to put in a drop of Super Glue (or other cyanoacrylate adhesive) to make sure that thing stays in place forever.

If you lived in the USA, or have a way of getting someone to bounce this stuff to you, this company sells replacement springs:

The problem is they have a $25 dollar minimum order...and they soak you on shipping (by adding "handling" costs)

Antique Electronic Supply

Last edited by Darren-UK; 24th Aug 2007 at 11:31 pm. Reason: Two of three links now defunct.
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Old 24th Dec 2005, 9:55 am   #3
Mike Phelan
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Default Re: Bakelite knobs.

Piece of scrap clock spring - the alarm spring on a fifties alarm clock or an old travelling clock (usually totally worn out) from same era.

Or even a bit of razor blade - you will have to anneal it and heat treat it afterwards.
If you are stuck, I have plenty of old bits of clock spring.
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Old 24th Dec 2005, 6:54 pm   #4
mellow
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Default Re: Bakelite knobs.

Many thanks
The springs from old clocks seems like good idea.

Regards. Mellow.
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