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Rad Cowl repair
#3
As long as there has been no use of soft (lead or lead free) solder or lead filler there is no reason that dents should not be removable as long as there is 75-80% thickness. It is possible to anneal locally with oxygen/propane or acetylene and carefully tap out the dents with a hardwood mallet on a steel stake.
If the metal is very thin a patch can be silver-soldered into a cleanly cut out area. a good fit is essential as the silver solder depends on capillary action to run into the join and maintain the strength of the piece. Cleanliness and a good fit are absolutely critical.
There are instructional videos on Youtube...
Don't use lead as a body filler, it will make the part unrestorable as even the smallest remaining bit of lead will eat its way through the brass if someone subsequently tries to repair it properly.
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Messages In This Thread
Rad Cowl repair - by Erich - 03-10-2017, 03:06 AM
RE: Rad Cowl repair - by Charles P - 03-10-2017, 07:14 AM
RE: Rad Cowl repair - by Duncan Grimmond - 03-10-2017, 08:23 AM
RE: Rad Cowl repair - by Dave Wheatley - 03-10-2017, 09:30 AM
RE: Rad Cowl repair - by Robert Leigh - 03-10-2017, 10:22 AM
RE: Rad Cowl repair - by Duncan Grimmond - 03-10-2017, 04:23 PM
RE: Rad Cowl repair - by Erich - 03-10-2017, 05:35 PM
RE: Rad Cowl repair - by daveg - 03-10-2017, 09:16 PM
RE: Rad Cowl repair - by Duncan Grimmond - 04-10-2017, 08:53 PM
RE: Rad Cowl repair - by atmacg - 04-12-2018, 01:22 AM
RE: Rad Cowl repair - by Derek Sheldon - 04-12-2018, 09:39 AM
RE: Rad Cowl repair - by atmacg - 04-12-2018, 10:16 AM
RE: Rad Cowl repair - by Nick Lettington - 04-12-2018, 02:34 PM
RE: Rad Cowl repair - by Dave Wortley - 04-12-2018, 04:44 PM

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