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Advice on a boiler burner

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camoura

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Jul 22, 2020
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Hi,
I'm constructing a vertical boiler based on a Myfordboy youtube video ( 3"diameter x 5" height ) and I'm planning to use a gas burner.
I'm using a portable camping stove with a 75% butane 25% propane gas castridge.

I'm don't know if the high temperatures of the flame could melt the silver soldering. ( I did some tests placing a silver solder wire direct over the flame and it melted ). Also the gas valve does not offer a good control of the gas flow so it's dificult to adjust the flame specially near the low side.

Is this set up ok? Could anybody give me advices on burner choices for this set up?

Thank you very much.

Cheers from Brazil

Carlos Moura
 

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mfrick

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It will take a lot of heat to melt the silver solder joints due to the fact that you will have water in the boiler and the mass of the boiler will be a large heat sink dissipating the heat very rapidly, try to melt a joint that has been silver soldered and you will see that it takes a lot of heat, just melting the silver solder by its self is fairly easy.
Mike
 

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