The fastest stirling engine in the world

Discussion on Stirling or "hot air" engines (all types)
Wellington
Posts: 110
Joined: Mon Apr 18, 2016 4:02 am

The fastest stirling engine in the world

Postby Wellington » Fri Aug 26, 2016 11:13 am

Would be interested to know if anyone knows of any possible contenders for the fastest rpm stirling/hot air engine in the world?. This is not an official recognition or prize winning ceremony so feel free to submit any legends you heard at the bar as well as some genuine examples of very fast engines.

Ian S C
Posts: 1983
Joined: Thu Dec 02, 2010 5:15 am
Location: New Zealand

Re: The fastest stirling engine in the world

Postby Ian S C » Sat Aug 27, 2016 3:52 am

I'll start, my fastest is around 2000 rpm.
Ian S C

Wellington
Posts: 110
Joined: Mon Apr 18, 2016 4:02 am

Re: The fastest stirling engine in the world

Postby Wellington » Sat Aug 27, 2016 7:25 am

PS. PS Official recognition may be awarded for the best tallest story.

Wellington
Posts: 110
Joined: Mon Apr 18, 2016 4:02 am

Re: The fastest stirling engine in the world

Postby Wellington » Sat Aug 27, 2016 7:36 am


Ian S C
Posts: 1983
Joined: Thu Dec 02, 2010 5:15 am
Location: New Zealand

Re: The fastest stirling engine in the world

Postby Ian S C » Sun Aug 28, 2016 3:29 am

Andy Ross's B-20, 35 cc Ross Yoke engine has a free speed of 4700rpm.
3250 rpm 40.8 W
2400 rpm 41.7 W
2600 rpm 41.7 W
2750 rpm 44.1 W
3000 rpm 40 W
3200 rpm 39.7 W
Ian S C

Wellington
Posts: 110
Joined: Mon Apr 18, 2016 4:02 am

Re: The fastest stirling engine in the world

Postby Wellington » Sun Aug 28, 2016 9:55 am

Ian S C wrote:Andy Ross's B-20, 35 cc Ross Yoke engine has a free speed of 4700rpm.
3250 rpm 40.8 W
2400 rpm 41.7 W
2600 rpm 41.7 W
2750 rpm 44.1 W
3000 rpm 40 W
3200 rpm 39.7 W
Ian S C


I bet mr ross will be disappointed to hear that my Mk1 combobulator achieved a free speed of 4701RPM. I just wish I had made a video before it was stolen by a dozen masked Chinese cat burglars who were obviously stealing it for the Chinese military.

masaruneema
Posts: 31
Joined: Thu Sep 10, 2015 1:54 am

Re: The fastest stirling engine in the world

Postby masaruneema » Mon Sep 26, 2016 8:52 pm

Thanks for the info
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Ian S C
Posts: 1983
Joined: Thu Dec 02, 2010 5:15 am
Location: New Zealand

Re: The fastest stirling engine in the world

Postby Ian S C » Fri Jul 21, 2017 2:33 am

Wellington, with a bit of work you could get nearer to 4000 rpm, first change the aluminium displacer for a stainless steel one, make a burner that gets the hotcap evenly red, fit free running bearings on main and con rod big ends. Improve the cooling, either a fan, or change to water cooling. Nice motor, don't touch it, it's ok as is.
A mate has one similar that he got in USA, years ago he was building and selling solar hot water systems, and used the motor to demonstrate the power of the sun. I think his will do 3000 + rpm.
Ian S C

PlaniTechic
Posts: 29
Joined: Sat Mar 21, 2015 11:38 pm

Re: The fastest stirling engine in the world

Postby PlaniTechic » Sun Aug 20, 2017 11:16 pm

Although I can't beat Andy Ross, I'm in: 3400 rpm :big smile: :
viewtopic.php?f=1&t=1974#p8974

Plani

Trevor
Posts: 171
Joined: Sun Nov 06, 2016 4:07 am

Re: The fastest stirling engine in the world

Postby Trevor » Thu Aug 31, 2017 3:42 am

Man! I only got to 1800rpm without a load.
You guys, just blew me outa the water.
I hope one of you guys reach the magic 4000 rpm
Trev


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