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| Compressed Air 3 cylinder radial engines |
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| cfellows:
Thanks, Ralph. I think tomorrow will see this thing running. All I have left to do is mill the air valve flat on the crankshaft and make the air inlet tubes. The cylinders are complete with the exhaust pipes, the slave ball valve, and springs installed. The rods and pistons are also complete. The engine turns over freely so if I can get the flat on the crankshaft in the right position, it should run. Oh, yeah, I also have to make a mount for it. Chuck |
| Divided he ad:
Wow! That's pretty rapid Chuck! :clap: It doesn't look like it'd be too hard to carve the main body from a solid Ali round.... I may have to investigate these radials? I'm missing the bit on the valves.... I'm of no doubt you will have listed their build elsewhere. Any chance you can remember the thread name/location? I'll go and have a look :coffee: Cheers, Ralph. |
| vtsteam:
I think this is it Ralph: http://www.homemodelenginemachinist.com/f43/radial-3-cylinder-compressed-air-engine-20778/ |
| vtsteam:
I've kinda wondered if cylinder fins help a compressed air motor as opposed to lagging/insulation on a steam engine. At least where there is a warm ambient, seems like it might have the effect of limiting the temperature drop below ambient in expansion. Unless the compressed air supply was warmer than ambient. Pretty academic, I know. But seeing the fins just made me think about it. |
| cfellows:
Here's the finished engine. Runs great, scary fast! Chuck |
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