Cant find old website

Discussion on Stirling or "hot air" engines (all types)
Wellington
Posts: 143
Joined: Mon Apr 18, 2016 4:02 am

Cant find old website

Postby Wellington » Thu Feb 01, 2018 8:09 am

I once remember seeing a website that sold a huge selection of stirling engines in the links section of this forum. I think it was a german website. Does anyone know the site i mean?
Thanks
Wellington

Ian S C
Posts: 2046
Joined: Thu Dec 02, 2010 5:15 am
Location: New Zealand

Re: Cant find old website

Postby Ian S C » Fri Feb 02, 2018 1:48 am

The German site that I know of would be that of Bohm Stirling Technic, they make a number of novelty Stirling Engines. I'v got the Type HB 7, a little horizontal GAMMA motor, not really a brilliant design as far as easy running, you have to take the piston out each time you run it , and clean the bore and the piston.
Ian S C
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Wellington
Posts: 143
Joined: Mon Apr 18, 2016 4:02 am

Re: Cant find old website

Postby Wellington » Fri Feb 02, 2018 12:36 pm

Ian S C wrote:The German site that I know of would be that of Bohm Stirling Technic, they make a number of novelty Stirling Engines......


Thanks Ian. A real nice website. They must have spent years honing their craft.
Wellington.

cbstirling2
Posts: 136
Joined: Sat Dec 17, 2016 9:35 pm

Re: Cant find old website

Postby cbstirling2 » Sat Feb 03, 2018 4:35 pm

Quite the contrary. Boehm engines are junk imho. Make it run before you make something pretty.
CBStirling2

cbstirling2
Posts: 136
Joined: Sat Dec 17, 2016 9:35 pm

Re: Cant find old website

Postby cbstirling2 » Sat Feb 03, 2018 4:42 pm

This engine Japan is pretty and a superb runner.
Generates meaningful power.
Less expensive than Boehm as well.
https://www.ebay.com/itm/Desktop-Stirli ... 2136054651
I think the engine had a limited production run as the manufacturing company seems out of business.
CBStirling2

Ian S C
Posts: 2046
Joined: Thu Dec 02, 2010 5:15 am
Location: New Zealand

Re: Cant find old website

Postby Ian S C » Sun Feb 04, 2018 3:46 am

One immediate problem is the power cylinder and piston. The cylinder is brass I think, unless it's anodized aluminium, the piston is a stainless steel cup shape, the open end of the cup goes into the cylinder, that part being dead space, the con rod connects to the bottom of the cup/piston. I think I may bore out the cylinder and put in a cast iron liner, then make a proper piston from cast iron, with the flat end going into the cylinder as it should. I will then see about putting fins on the cylinder for cooling.
cbstirling, the Ross Yoke motor in your link looks good, I'm sure it would produce more than .6 of a Watt. Don't know where the microphone was in the video, the motor makes quite a bit of noise.
Ian S C


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