MadModder
Gallery, Projects and General => How do I?? => Topic started by: stirling lad on July 25, 2015, 08:26:05 PM
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Hi gents,, I'm writing to ask you guys what I should do with this cylinder and piston next? both are cast iron which I'm told is an excellent self lubricator, but from build logs I've read about flame-licker engines I'm concerned that rust might be a problem,,,
it's for a Heinrici hot air engine. So, my question is am I better to line the cylinder with a stainless steel tube or am I over thinking this??
,,,mike...
(http://i1101.photobucket.com/albums/g440/burky123/baby%20tiger%20pictures%20554_zpsvhptijt7.jpg)
(http://i1101.photobucket.com/albums/g440/burky123/baby%20tiger%20pictures%20553_zps4txc1gm9.jpg)
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With flame licker engines the issue is the condensation from the flame entering the engine as it is not a closed cycle like the Stirling. I would have thought cast iron mould be fine, out of interest what engine is it, is it a kit?
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Its a casting set for a Heinricci water cooled hot air engine, an ET Westbury design,But it appears to be close to one of the old original German ones...
(http://i1101.photobucket.com/albums/g440/burky123/hienricci/71a76cda-52c1-4b18-ab6c-d67dd38b0fe7_zpsye6yun6f.jpg)
theres photos of a finished one here,, I have no link whatsoever with stationroadsteam, it was the first photos I could find of a completed one thats all.
http://www.stationroadsteam.co.uk/stock%20pages/3690/index.htm
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I have built a number of stirling engines all with either mild steel or cast iron cylinders, and all with cast iron pistons and have never had a problem. On the other hand I have just built a flame licker with similar materials, ran it for a few minutes, left it for an hour and it went solid. You should be OK.
Hugh
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Thanks for all your advice guys,, I was a bit wary about committing to one way or tuther... :thumbup:
...mike..