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24th March 2010, 03:43 PM
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#1 |
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Member
Join Date: Dec 2004
Location: Italia
Posts: 1,243
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Ciao Lew (you have to learn speak italian
 )I think that it's impossible to know if on your there was iron or copper, so.... it's up to you to choose what do you prefer  All the best Flavio |
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24th March 2010, 10:58 PM
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#2 |
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Member
Join Date: Feb 2006
Location: France
Posts: 473
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Flavio is right, I think it's better to let it like that.
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26th March 2010, 11:00 AM
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#3 |
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Member
Join Date: Jan 2006
Location: Kent
Posts: 2,658
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Hi Lew,
personally I would go with steel/iron , to get a more authentic look, the sheet metal should be 'hammered' ....as modern sheet would be too uniform. Unfortunately hammering 'cold' sheet will 'work harden' the metal, making it more brittle....so before trying to form the sheet into a cone (to fit the spike)....the hammered piece needs to be annealed....ie heating to a 'dull red' colour and then left to cool slowly, this makes the steel more ductile whilst retaining its strength. Copper sheet will also work harden if hammered and would need similar treatment. All the best David |
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