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S. Jennings Racing

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BDA:
I don't know but (because of the thin walled tubing?) in early days, I believe tubes were brazed.

GavinT:
Reasonably sure it was Manganese-Bronze used for oxy/acetylene brazing in the old days.
Don't know what the practical differences might be.

TurboFource:
Just curious because some of it looks TIG welded and some with a oxy/acetylene torch...

GavinT:

--- Quote from: TurboFource on Thursday,April 28, 2022, 12:20:15 PM ---Just curious because some of it looks TIG welded and some with a oxy/acetylene torch...

--- End quote ---

Yes, could be.
I made an assumption because there was an oxy torch in the photo and that's what was used originally (I think). Apparently silicon bronze has a slightly lower melting point so that could be even better.
Perhaps Chuck knows the answer.

I've only used manganese bronze & nickel bronze with oxy/acetylene.
Brazing seems to be a somewhat orphan process these days since the advent of TIG which is understandable. That said, TIG doesn't seem to get the capillary flow that happens with oxy which I expect is a feature of the flux.
I should experiment with silicon bronze.

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