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Vintage Amateur and Military Radio Amateur/military receivers and transmitters, morse, and any other related vintage comms equipment.

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Old 18th Apr 2015, 9:17 pm   #1
Waler97
Triode
 
Join Date: Apr 2015
Location: Leicestershire, UK.
Posts: 14
Default R1155

Hello all. This is my very first post so please bear with me.

I acquired an R1155 just before Christmas, something I have wanted for ages. It has been modified, but is still recognisable as an 1155, having a built in PSU, RF gain and a better BFO control amongst other things. I paid 40 for it from a friend who had had it sitting in a garden shed for a number of years, and besides the usual problems with a Hunts smoothing cap (which cooked itself and took a resistor as well), I've had no problems at all with it at all. It works perfectly. Having made sure it works reliably and safely, I've turned my attention to the aesthetics of the machine. The aluminium of the case has corroded slightly in areas. This has caused the paint in affected areas to flake off. Also, there is a lot of what appears to be dust which is reluctant to budge. I have tried spraying it and wiping it off with Servisol cleaner but it doesn't want to move. I was therefore wondering if anybody had any suggestions on:

A. How to clear the dust off of the case?
B. how to alleviate the corrosion?
C. techniques with regards to repainting the case and the front panel such that an even coat is applied and only where it needs to be applied (no chance of it seeping onto the transfers or the dial glass)?

Many thanks

PS Photos attached for those who are interested.
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Old 19th Apr 2015, 9:21 am   #2
lesmw0sec
Heptode
 
Join Date: Jul 2009
Location: Carmel, Llannerchymedd, Anglesey, UK.
Posts: 847
Default Re: R1155

I rescued one from the skip - it needed a complete re-wire in my case, so just stripped out everything and cleaned all the chassis bits in the dishwasher. The outside paint was stripped and the aluminium then received a coat of acid-etch primer followed by black matt spray (Could not get the crackle stuff). The important bit is the acid-etch. If this is not applied first, subsequent paint will flake off at the slightest jar. You should be able to mask off the sensitive bits it you don't want the fag of removing the panel.
Les.
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