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| Huxtable Hot Air Engine. |
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| Stilldrillin:
--- Quote from: Dean W on July 14, 2010, 01:53:04 AM ---Thanks very much, David! That tells the story well. The hot end cap is silver brazed on, is that right? Dean --- End quote --- Dean, There is a feint silver ring, in the end of the tube...... I guess the tube is plugged, and silver soldered. David D |
| Dean W:
Thank you again, David. Now I know its secrets! It looks like it would be a fun one to build. Dean |
| Stilldrillin:
I wasn't going to show this..... But then realised, I had the chance to show the little end's "gland nut". The ticking noise returned, after some 12 - 15hrs running. So, I decided to fit a ballrace. Opened the little end to take the 6mm o/d bearing..... Components. Pin turned down to 3mm, to fit the bearing..... Loctited. Ready for rebuild...... Back together..... The little end has no side float. Fitting perfectly between the hexagon's flat, and the inner skirt diameter. Tomorrow, I'll see how quiet it runs. Again! ::) David D |
| Dean W:
That looks like a very sensible and advantageous upgrade, David. Should stay quiet now! May even improve performance, though it ran well before, too. Thanks for the pics. Dean |
| Stilldrillin:
I did say I'd bought this engine, like all my others. For fiddling with...... Didn't I ? Now it's well run in, the poorly designed power piston assembly, is being twisted anti clockwise by the weight of the conrod, I guess! :scratch: Piston out, this is what happens. It turns 90 dgrs...... So, I made a balance weight from 1/2" bar...... That looks a little healthier...... Discrete too....... It has stopped making "new piston/ cyl" noises now. :thumbup: Need to look at the crank balance. The table oscillates in harmony with it, at 200rpm! ::) David D |
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