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dpack

Joined: 02 Jul 2005
Posts: 46313
Location: yes

Posted: Mon Feb 10, 25 11:53 am Post subject:

what did you do? play with the thing
what happened? record that well
what do you think are the reasons for what happened?

chances are we can peer review that, if not somebody else can

i am very open minded regarding accepted "reality"
i am ruthless for internal and external logic in any hypothesis

get the data and try to make sense of it, it might support the accepted model, it might not
trying to find out which it is is science

it can get rough when those who are "experts with reputations to lose", or paid shills

have a stake in the results

Tom Booth

Joined: 06 Jan 2025
Posts: 16

Posted: Mon Feb 10, 25 5:00 pm Post subject:

There is a rather long list of Stirling engines based CHP manufacturers/suppliers maintained here:

https://www.stirlingengine.com/recommended/combined/

This list has changed over the years, with additions and subtractions as companies come and go or as startups, fail to actually materialize a product.

The stirlingengine.com domain, BTW is up for sale so may not be available much longer.

Unfortunately, I have been in the market for some such Stirling residential CHP units for the past 20 years or so and have followed the development of these companies with great anticipation, but the fact is, or seems to be, no actual residential units are actually available for sale.

Taking one of the supplied links at random, I quickly encounter this comment left on the site:

And the response:

Due to failure to get beyond the startup/development stage, "restructuring", buyouts, etc. etc. actually obtaining a unit for installation is either out of the question entirely or prohibitively expensive.

If anyone with the time and wherewithall to go through this list again, as I have done many times before over the years and finds that there really is actually something available to homeowners rather than exclusively to oil and gas companies to remotely operate valves on their pipelines or some such thing (Qnergy) I'd love to hear about it.

I haven't been through the list lately, I keep giving up as it is frustrating, irritating, aggravating and seems hopeless. Like looking for the pot of gold at the end of a rainbow, the goal, or prize, as you approach it moves further away into the future.... "...May be available in five years...." or some such.

Maybe the situation has changed since the last time I did any in depth research on availability of such units but I tend to doubt it.

Many of my friends on the Stirling engine forum have also been following the various companies and offerings as they pop up around the world with anxious anticipation, inevitably ending in disappointment and frustration.

There is (or was) probably a thread/discussion, somewhere on the forum covering each of the listed companies. Sometimes a representative of the company would appear on the forum.

You will not, however, find any reviews or reports describing an actual purchase or installation because for one reason or another that never seems to happen.

https://youtu.be/OadiysJS3f0?si=sxMy3K03gJA_0j2Q

I've called Qnergy a few times about the possibility of obtaining one of their remote power systems, but when they hear that my intended end use is domestic power generation for my home/farm they stop returning my calls.

DIY - building your own, seems the only remaining potentially viable option afaik.

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