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| Building a Boiler for a 3 1/2" Gauge Locomotive |
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| shoey51:
Good luck Stew but im sure all will be fine. I will be in London on sunday so probably wont find out your results for a month. If i get a chance to log in ill leave a comment :D cheers Graham |
| Stilldrillin:
Good luck Stew! :thumbup: Oooohhhh...... Graham! Not long now...... :D I tried to get you two to meet up....... Hmmmmm...... :scratch: David D |
| sbwhart:
Thanks Graham/Dave We'll have to see what we can do about a meet up. Stew |
| Dean W:
Good luck, Stew!! As you may know, your build here is a popular one. Good to see what you're up to with it. I like your idea of testing the gauges against each other to check calibration. The "rotten egg elimination process". :clap: Dean |
| sbwhart:
Well I sort of tested the boiler yesterday, I took it up to 40psi there was a leek from the inside of the hollow blower stay, so I gave the nut a tweak, when ping the bloody thing broke. :bang: :bang: :bang: :bang: :bang: :bang: :bang: :bang: So did a bit of investigating the drawing calls for 5/32*22g copper pipe I was supplied 3/16*22g pipe as part of the boiler kit which I turned the end down and threaded 5/32 * 40 which had the effect of thinning the wall of the tube down that and being one turn short to tighten the nuts down resulted in overloading and the break. So I've got to order some 5/32 pipe next week before I can conduct the test again. On the positive side as 40 psi there was no signs of any other leeks. Stew |
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