Building a Boiler for a 3 1/2" Gauge Locomotive

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shoey51:
Stew that was a lovely neat bit of brazing there mate. I learnt to silver braze in my plumbing aprenticeship and I dont think I could do much better mate :thumbup:
I cant spell either thats why i use Firefox browser with its in built spell checker.
keep up the great work mate

cheers Graham

Dean W:
That's a lot of nice soldering, Stew. It's coming along to be a beauty.
When you say "stepping the tubes", do you mean putting a bulge in the end so they don't fall through the plate
as you're soldering them?

Thanks,

Dean

Divided he ad:
Looking good Stew :thumbup:

I like the picture of the rings of solder ready for the heat, it is by far the neatest and easiest way I've seen of doing this sort of soldering.

I had a go at silver soldering a couple of weeks ago. Just test stuff. Using this method and seeing about quantity/heat required to fill a whole joint. It's not as easy as many make it look!

(Dean, page 5 shows a slight skim 3mm long to create a shoulder on the tubes so they do not pass through the plate :thumbup: )

Glad you've got all the pic's in here Stew, feels like I'm part of the build :D

Ralph.

sbwhart:
Thanks Dean/Ralph

--- Quote from: Divided he ad on May 28, 2010, 03:33:30 AM ---
(Dean, page 5 shows a slight skim 3mm long to create a shoulder on the tubes so they do not pass through the plate :thumbup: )

Glad you've got all the pic's in here Stew, feels like I'm part of the build :D

Ralph.

--- End quote ---

Glad your paying attention Ralph in preparation for the end of thread exam :D

but in this case you only get 5 out of 10 on page three (no breasts) I also drilled the tube plate slightly smaller than the tubes.

See you at Johns on Sunday.

Cheers

Stew

NickG:
Stew,

You're making this look far too easy! I know that it's not because we had to do repairs on my boiler, my dad used to be a technology teacher in a secondary school so we had access to a proper brazing hearth, large propane burner, oxy actaline, buried in the fire bricks and still the amount of heat required amazed me.

It may be because we have the finished boiler and trying to re-solder joints that made it slightly more difficult but hats off to you.

Soldering the stays on the inside of the firebox is really tricky.

Nick

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