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| Building another Stirling |
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| Blade:
Nice work! |
| NickG:
Nice work and great pic! |
| cidrontmg:
Some more work done. Drilled some holes, tapped a little fewer, fly cut the brass pieces a bit thinner, scrounged the scrap bin for some more parts, tried some polishing (no real success, but the scratches show better), and mocked up what I have now. I need to measure and mark some lengths and distances from the assembled parts, so itīs not just for showing up. But thatīs the main reason, of course... :) Cylinder heads in place. Flywheel, again with 5 holes. The bottom plate started life as a CPU cooler from a scrapped computer. I sawed the fins away and fly cut the surface, leaving it slightly thicker in the middle, because the cooling fins were cut that way. Also thereīs a bit missing from the left corner. Thatīs not my doing, it (and the fin) was cut away already in the computer. Some electrolytes in the main board apparently came too close to comfort. I guess Iīll round the whole corner later on. Taking shape. There are some Sharpie marks in the cylinders+heads, to keep them always oriented the same way. Later on, they wonīt be needed. After the air passages are bored, the cylinders can be oriented just one way in the support. You might notice that the bearings will not go entirely in their milled cavities. Theyīre some 0.2 mm proud. Thatīs to make the distance between them as big as possible - every little helps, etc. You also might notice that this engine will be a mirror image of the smaller model. Have to take some measures now, or the rest of the parts wonīt fit together... Thanks for watching, more in the pipeline. :wave: |
| Brass_Machine:
Wow Olli That is coming along very quickly. Very impressive. Eric |
| NickG:
Beautiful work Olli, I know how good it must be if it's showing up like that on close ups, the camera always makes stuff look worse than it is. I can't work out where the air passages are going yet so I'll have to keep watching :lol: Nick |
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