Tiny Stirling Engine

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arnoldb:
Count me in on the peanut gallery crowd Nick :beer:

Have to get around to an LTD myself at some point... A "normal" sterling as well!

Kind regards, Arnold

NickG:
Thanks for the info Madjack, I've often been fascinated by the acoustic resonance and thermal lag type engines but have never made the effort to understand how they work! I will have to read your post a few times to get it to sink in. The type of engine I've seen isn't that or a ringbom though, it's more like the following link, except I didn't realise it was 'Rider' engine: http://www.stirlingengines.org.uk/work/cyc1.html

I think we're all getting confused with alpha and beta types - alpha is the sort I am talking about in link above, according to Wikipedia http://en.wikipedia.org/wiki/Stirling_engine (and that was the way I understood it). The beta, as you rightly said has the loose fitting displacer which displaces air from a hot end to the cold end and the power and displacement pistons are in the same cylinder. The gamma is the one with a loose fitting displacer but there are separate power and displacement cylinders which are connected, so that is the sort I have made before and is what this LTD will be.

Nick

ozzie46:

   Good grief!!!! That thing is small. Don't sneeze or you'll never find it. :D :D :D

   You people that can do this small stuff have my greatest admiration. :bow: :bow:

   Nice going Nick.

  I have enough trouble with the size of Elmers engines.

Ron

NickG:
Thanks Eric, Arnold and Ron - but I haven't made an LTD myself yet, let alone this small! So the jury is out on whether I can do this small stuff or not yet!!!

If it doesn't work it'll get a metal displacer & cylinder and a blow torch underneath it! :lol:

Nick

madjackghengis:
I've got to say, Nick, you've definitely got the right attitude :poke: I like that, put a metal displacer in it, and fire up a torch!! :lol: Sorry I forgot about the "big" projects you mentioned, I tend to forget about them because I have so many of my own sitting in the middle of repair, dis-repair, and mere contemplation. When I've got pictures of the different types, and their names under them, I can always tell what kind is which one, other than that, I'm easily confused once you get past the common ones, the alpha type, with the separate displacer cylinder and power cylinder, with the connecting hole, tube or line, and the beta, with both in one cylinder. I spent about an hour watching some of the fifteen or more examples in the link you attached to the beginning of this log, and have seen both the Ringbom type, and the accoustic resonance type running, as well as a whole set of ones I've heard of but never seen. It's quite a link to some very fine, and I mean fine, engineering. I think you'll get this one down just fine. :thumbup: :bugeye: mad jack

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