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Old 25th Mar 2019, 8:32 pm   #1
Barraman
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Join Date: Mar 2011
Location: Western Isles of Scotland, UK.
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Default Cleaning aluminium

I've got a Cushcraft multi-band vertical which I'd like to dismantle and clean up.

It's aluminium in several sections, plus traps. The outside of each section is

easy enough to rub down, but the insides are not so simple, especially the

smaller diameters. Each section overlaps about 3'' and it was suggested to

stand the sections in a rhubarb solution (oxalic acid?). But there must be a

better way? Any suggestions appreciated, thank you.

Richard
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Old 25th Mar 2019, 9:38 pm   #2
merlinmaxwell
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Location: Maidenhead, Berkshire, UK.
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Default Re: Cleaning aluminium

No need to clean all the way through the overlap, this is for strength, a quick rub with emery paper at the very end for electrical contact will do. And do smear Vaseline on the joint too.
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Old 26th Mar 2019, 7:20 am   #3
Barraman
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Join Date: Mar 2011
Location: Western Isles of Scotland, UK.
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Default Re: Cleaning aluminium

Yes, you're right, 3'' is a bit much. But I would like a good inch of clean metal

on each section to ensure a good electrical contact. The small diameter sections

at the top of the aerial are fiddly to clean, and I just wondered if the rhubarb

trick would work? I'll have plenty of it come the summer!
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