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| Robinson Hot Air Engine. |
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| shoey51:
looks nasty David but im sure you can handle it :thumbup: |
| NickG:
I used aluminium for my displacer David, think it's pretty standard to have a hollow aluminium displacer with a very thin wall - same as hot cap to minimise heat transfer. Good work. Nick |
| sbwhart:
--- Quote from: Stilldrillin on November 21, 2010, 04:08:14 AM --- Looking around the still uncleaned casting. T Err...... Wossat? ...... In't back corner? Gave it a poke and a proddle. Guess this is the source of the leak....... :doh: SIGH......... Again........ Wonder if this is the last of the glitches? ....... Nah.... Doubt it! :bang: :bang: David D --- End quote --- TERMITES ? |
| Stilldrillin:
--- Quote from: sbwhart on November 21, 2010, 11:34:02 AM --- TERMITES ? --- End quote --- :lol: :lol: :lol: :clap: Could be, Stew! :thumbup: I'm wondering what else could be lurking....... ::) Just keep calm, and carry on! David D |
| Bogstandard:
If you can Dave, get the whole inside surface sand blasted. Any little pockets of weakness like that will soon show up. Then a bit of JB Weld or even soft solder will take care of it, just make sure you neutralise the flux afterwards. John |
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