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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets.

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Old 5th Apr 2019, 8:41 am   #21
Boater Sam
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Default Re: Coil winding advice

Correct.
Winding with heavy wire off the end of the spool you finish up with the spool climbing onto the bench!

I was told that off the end was normal with fine wire, my old wooden reels are rounded and very smooth and polished on the ends precisely for that reason.
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Old 5th Apr 2019, 5:48 pm   #22
kernowcam
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Default Re: Coil winding advice

Just trying to test solder the old coil and new wire I have. The old on 400c seems to burn coating off fine, the new does not seem to want to play ball. Any suggestions please?
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Old 5th Apr 2019, 6:28 pm   #23
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Default Re: Coil winding advice

What is the type of enamel on your wire? Post a photo of the label if in doubt. Fingers crossed you don't have high temperature or a non-solderable grade!
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Old 5th Apr 2019, 6:42 pm   #24
kernowcam
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Default Re: Coil winding advice

No idea I am afraid 14 m of wire given to me!
May have to scratch it back!
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Old 5th Apr 2019, 10:21 pm   #25
kalee20
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Default Re: Coil winding advice

I can sort some solderable 0.04mm wire for you, if you PM me your address.
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Old 6th Apr 2019, 8:03 am   #26
kernowcam
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Default Re: Coil winding advice

Thanks , very kind of you.
This has become a major challenge now not to be beaten.

I was trying to re solder the hair spring to the pivot yesterday. Very difficult to get the spring on at just the right angle, i.e. Horizontal.
I was wondering if a small card disc with a hole may work?
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Old 6th Apr 2019, 9:10 am   #27
Boater Sam
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Default Re: Coil winding advice

Stick it with superglue first?
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