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| a new flame eater, just to be different |
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| arnoldb:
Well done Jack on a very informative and innovative build :thumbup:. I've been following along but wasn't posting a lot of late. Kind regards, Arnold |
| madjackghengis:
--- Quote from: cfellows on April 07, 2011, 11:19:40 AM ---The relief valve does make a huge difference. Runs a lot better. I may have missed it, but what was the diameter of the check ball? Chuck --- End quote --- Hi Chuck, I believe the ball miked out at .112, but I'm not sure, it's metric, and it has working clearance on the body hole left by the #1 center drill, which has a body diameter of .125 and probably makes a .127 or so hole, with a nice taper seat somewhere just above breaking through the taper in the port. Thanks for the comments, Arnold, and all, I am trying to do what a lot of other people are doing, seeing a need for new ideas in power production, and knowing these were the predecessors of internal combustion engines. I don't like the fact a bunch of bureaucrats, who would have a hard time giving proper directions to bathrooms, are directing funding to "green projects", as if they were capable of discerning what is truly promising, when it has always been people just like us, playing around with the ideas we inherit, and with our own twists, who have always been the productive types who have put technology in the hands of the world. I know each and every currently "subsidized" green technology has been around for more than a century, alcohol was used for fuel centuries ago, windmills have been doing good work for more than three hundred years, and solar cells were only half as efficient in 1890 as they are today, and electric cars held the land speed record in the 20's, so I think it is far better for people like us to examine our ideas in such forums as this, freely share ideas and expand each other's knowledge, because we are far more likely to find a better idea than those who keep their hand out for a government subsidy, and we are far better capable of noting when it is just interesting, and not profitable, than those who depend on subsidies, and must produce something, anything, to keep getting paid, whether it works or not. After all, is it not we, who have held these jobs and made the world turn while we work, despite the demands and weight of governments? In my view, this is where the real action is. I just wish we could all get together from time to time and share a beer or two, and enjoy the company, the forum is only second best in that way. :beer: :hammer: Cheers, and thanks for commenting, learning is something we need to want, or we have no real purpose in life. Jack |
| dbvandy:
How about a little video of it putt puttin..... :zap: Doug |
| madjackghengis:
Well Doug, I'll have to see how the video I shot yesterday came out, I went and put a "klacker" as the check ball was so accurately described, in the "oddball", but the reed valve is so flexible, it made no discernable difference in the way it ran or sounded, however I have plans to put a graphite valve on it, and then I believe it will be very effective. My big problem is that engine runs so nice I want to spend far too much time just watching it, and not enough time building new engines. By the way, I miked out the check ball, it is .118, or three mm, and it seems to leave enough room for hot air to flow around it effectively. The method of retaining it, by a pin drilled from the cylinder side of the head, makes it easy to remove the check ball, when servicing the engine, and is dead certain in retaining it so now it's back to another engine, or on to another engine. It might be time for a high speed engine, one that is square or thereabouts. Cheers :beer: Jack |
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