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| NickG:
Oh dear! How does it work Stew? Don't understand it! :scratch: |
| sbwhart:
--- Quote from: NickG on July 13, 2009, 07:18:04 AM ---Oh dear! How does it work Stew? Don't understand it! :scratch: --- End quote --- Neather do I thats why I've made one :lol: The crank shaft centre line is set above the cylinder centre line, so that when its on the return stroke the piston rocks back and acts like a clack valve when it reaches bottom dead centre the crank pin lines up with cylinder centre line and the piston seals the bore and you get a power stroke, hope this makes sence, havn't got one working yet:- it looks an improbable system doesn't it :scratch: Stew |
| raynerd:
Nice little animation of how it should work here: |
| Stilldrillin:
Is it me? :scratch: It`s running backwards....... That`s a pump, innit? ::) David D |
| raynerd:
Yea, I see what you mean. If it was to be correct then the piston is going to be moving into the cylinder when it is sealed :scratch: Should the piston be moving into the cylinder at an angle so that any pressure is released around the sides? I`m just trying to get my head around how that works. There must still be a fair force acting against the piston through its return stroke even if air/steam is escaping around its sides. Hope you get it working Stew, then we can see how it runs for real. Chris |
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