werik
regular
Reged: 15/05/2007
Posts: 48
Loc: SW France
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I am still wrestling with my mutilated rudder on my ex-RN FMD of 1953. All I have is the stock shaft-("high tensile copper alloy", which I presume to mean bronze?). . .previous owner sliced off the blade -( Twit). If I make up a replacement in 316 stainless , will the bi metal effect damage the gunmetal gland or any bearing surfaces in there?
I could not access the rudder builder site you recommended already. Thanks. . .Erik
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srp
regular
Reged: 10/05/2006
Posts: 1003
Loc: IoW
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Try talking to Moray McPhail at Classic Marine www.classicmarine.co.uk
He made a set of rudder fittings in bronze for me a long time ago from patterns that I made in wood. It will be a bit costly, but you'll only have to buy it once.
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www.corribee.org
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Peterduck
regular
Reged: 10/04/2002
Posts: 939
Loc: Melbourne, Australia
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Yes. a stainless steel blade would react with a bronze stock to the detriment of both. Also, as a general rule, avoid using stainless steel below the waterline. This includes fastenings. As the rudder will spend a lot of its time in this environment, I think that this is another reason for not going that way.
Peter.
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