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Success Stories If you have successfully repaired or restored a piece of equipment, why not write up what you did and post details here. Particularly if it was interesting, unusual or challenging. PLEASE DO NOT POST REQUESTS FOR HELP HERE! |
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29th Oct 2020, 10:14 am | #1 |
Hexode
Join Date: Feb 2008
Location: Wrexham, North Wales, UK.
Posts: 465
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Smoker's Cabinet set
My latest restoration is a late 1920s 'Smoker's Cabinet' set. It is based around a British General coil pack. I had some fun with this as, although all the windings showed continuity, I had to re-wire the reaction coil, as the leads pass through a metal tube and the insulation had crumbled to dust!
I had to more or less guess the circuit, as it was in pieces when I got it, and two of the capacitors had to have the pitch melted out and a modern component inserted. But here it is, more or less finished, and working well. The coil pack is a curious thing, with two sets of tappings, one from the top for the aerial and one from the bottom for range. The reaction coil is movable, controlled by the knob. I have found that in use the reaction control is very sensitive - no more than a degree or two separates silence from oscillation! But it picks up strong stations well. And it's a handsome piece of furniture. Now, where can I put it?... |
29th Oct 2020, 10:42 am | #2 |
Dekatron
Join Date: Feb 2009
Location: Chesterfield, Derbyshire, UK.
Posts: 3,737
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Re: Smoker's Cabinet set
That's looking very nice Gerry, well done restoring it ,I am sure it will find a home somewhere , Mick.
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29th Oct 2020, 10:59 am | #3 |
Dekatron
Join Date: Jul 2008
Location: Charmouth, Dorset, UK.
Posts: 3,601
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Re: Smoker's Cabinet set
Excellent job - I wish radios were as simple as that now!
Peter |
29th Oct 2020, 3:00 pm | #4 |
Dekatron
Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 16,526
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Re: Smoker's Cabinet set
Nice looking set, there, but isn't 10nF rather large for the detector grid capacitor? It might have some bearing on your over sensitive reaction problem too.
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....__________ ....|____||__|__\_____ .=.| _---\__|__|_---_|. .........O..Chris....O |
29th Oct 2020, 7:41 pm | #5 |
Dekatron
Join Date: Sep 2006
Location: Kilmarnock, Ayrshire, UK.
Posts: 5,420
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Re: Smoker's Cabinet set
Hi.
Agree with Chris. C1 should be around 100pf.
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Cheers, Trevor. MM0KJJ. RSGB, GQRP, WACRAL, K&LARC. Member |