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Jul 1, 2005 3:37 pm
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Tom et al: The Rice Hull Engery Project was approved in June 1981 to commence on July 1st. This was most likey the fruition of W. Beale's proposal. stanhbaker ...
Hello, This is a very interesting idea. Double acting diaphragm pistons in a free piston (resonate) alpha Stirling. I have read the proposal and see a picture...
Rick, one clue when combining "electrical" from "EECS" = department "ELECTRICAL ENGINEERING AND COMPUTER SCIENCES" and a detail in the large picture accessed...
A quote from the link- "We believe the cost of the technology based on output power per dollar is the most important parameter, as opposed to efficiency." Nice...
I am wondering what material thery use for diaphragm. From the picture, it looks like they plastic. Would it have problem at hot end? How to make sure the...
My opinion (for what it's worth), is that there is still too much complex machining. The cost to manufacture would be pretty high. A stirling engine should be...
In my experience, anything that is manufactured in quantity is cheap, regardless of it's complexity. The base cost is the material cost and energy cost of the...
Hello Howard, The diaphragm appears from the color to be plain old latex sheet. In other pictures they used somthing like silicone elastomer. While the...
Rich: Check out the BBS's at <straightdope.com> for a discussion of production and technologies in the IMHO listing. s/stanhbaker ... and energy ... get them ...
What about tooling? The cost of initial setup of tooling is the highest cost of manufacturing. The material cost is minimal as it is purchased in smaller...
"cheap" is relative. Something has to be cheaper than the alternative to be used at all. IOW if process A is consistently cheaper than process B, will process...
James Having been a P/L manager of a multinational business unit and also having been responsible for new product development from market research and...
Chris I could not agree more! CUT: "in summary: a) improvement in engine performance is going to come more from gas circuit improvement, and less from...
Lee, You are exactly right. In order to develop an improved product. We first had to develop a process to manufacture the product. The process was harder to...
Guys, next time I stumble upon something of the nature "never seen" or "never mentioned before" I WILL NOT POST IT. I don't see why so much words are spend...
James, The machined test engine is not represenitive of the production design. The shapes and masses might be similar but the production mentod would be much...
Please don't take it personally, and please don't stop posting. at the very least your post started a nice conversation on manufacturing methods and so it was...
Hello, I did some research into the idea of using edge welded stainless bellows in place of elastomer diaphragms for a double acting engine. The bellows would...
the two sources of bellows wtih which I am familiar are servometer and SSP. Servometer plates nickel onto an aluminum manderl, which they then dissolve out...
Now bellows are something I do know a little about as we made something like 50,000,000 per year where I worked. They were used in temperature and pressure...
Never heard of a Stirling engine until Jume of this year, and was totally fascinated by the whole process. Been studying Schmidt theories, and have them...
Dan, I believe I understand where you are coming from in your quest for Stirling knowledge. You would be well advised to study the various sub-pages of the...
Thanks for the encouragement, Tom. I found a small program (100kb) named "Simulation.exe" that allowed me to see the graphs I was able to produce with my...
Hi there! I'm also a newbie, and this program sounds interesting. Is this a free program that I could also use? I have been looking for computer tools to help...
Hello Anders, Everything in the files section is public domain so use as you wish. Besides the progam you refer to, there is an excellent spreadsheet for ...
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