Supporting > Boilers
TIG Welded Boilers
simplyloco:
Following on from Steve's excellent thread on traditional boiler construction, it might be relevant to show the boiler that is installed in my 3.5" Britannia locomotive as it is quite different! I bought this in 2009 from Steam Technology Ltd after my own home built boiler build failed at the throat join on the last leg!
This is as supplied by the Company. https://www.steamtechnology.co.uk. Clever stuff, but some boiler inspectors won't touch it...
This where my boiler failed: at the throat joint, probably due to different expansion between the inner and outer components. I followed the LBSC instructions...
PS. No more from me for two weeks as we are off to see the Taj Mahal and The Maldives! :whoohoo:
Kim:
That's a beautiful boiler! :ThumbsUp:
I'm sorry to see your home built boiler developed that crack. Couldn't that have been repaired with some additional silver soldering? Or would the boiler inspectors not accept that? Or was it just more trouble than it was worth?
Kim
simplyloco:
I'm sure it could have been, but I was quite disheartened after all that work. Marco from Steam Technology who had been following my MECH forum thread, contacted me to make me an offer I couldn't refuse, and six weeks later there it was!
He had just started up you see...
John
Admiral_dk:
What a shame after all that work :'(
Good to hear that a new is on the way :ThumbsUp:
--- Quote ---PS. No more from me for two weeks as we are off to see the Taj Mahal and The Maldives! :whoohoo:
--- End quote ---
I hope that you have a really great Hollyday / Trip :cheers:
Per
uuu:
--- Quote from: simplyloco on February 19, 2023, 05:40:00 PM ---I'm sure it could have been, but I was quite disheartened after all that work. Marco from Steam Technology who had been following my MECH forum thread, contacted me to make me an offer I couldn't refuse, and six weeks later there it was!
He had just started up you see...
John
--- End quote ---
When I've seen these guy's boilers in the flesh I've been really impressed. It's a clever idea - with the welded seams, you don't need to form the plates to provide an overlap - so the backhead is just a flat plate. I'm attracted to the repairability too - having seen quite a number of boilers that have been damaged, or failed in later life, and proved unrepairable - I'm thinking that a silver soldered repair in a welded boiler is much easier than in a more conventional one.
Note (certainly in the UK), welded boilers need a traceable/certifiable source of copper, to be of an appropriate grade. And a coded welder, so no home-brew, alas.
Wilf
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