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Stirling Engine Horizontal Engine - Endurance Run - Part 15 

Shane Pomeroy
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How long will it run for?
Endurance test run to see if anything breaks!
To see other videos of the Mk3 stirling engine:
• Building a Stirling En...
We took the stirling engine to the The West of England Steam Engine Society Rally at Stithians Showground, England on the 19th and 20th August 2023. It was the ideal opportunity to see if it is reliable.
Day one was a bit hit and miss because we were having cooling issues and the nylon piston guides were binding because I think I made them to tight. As the stainless pistons heated up through the day it started jamming. A splash of water on them helped. As the day went on they did seem to free up. In the end the engine ran for a total of 3 hours
Day two was a bit more successful. The engine was running 7 mins after lighting it up. It ran for 5 ½ hours with a short break where we accidently let the fire burn out. I've estimated that we pumped roughly 2310 gallons of water at 1ft head (based on previous test of water output). All in all not a bad day!
I am now starting to plan my next stirling engine build and hopefully improve the power output while keeping it simple.
I will now be selling this engine to make room for the next one.
All the best
If you need to contact me:
shanepomeroy@hotmail.co.uk

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21 авг 2023

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Комментарии : 28   
@Sammy-eb2cy
@Sammy-eb2cy 9 месяцев назад
Nice to see you're still playing with your work. It is great to see someone take an idea and make working model. Cheers!
@mytickets
@mytickets 9 месяцев назад
She is a really beautiful machine Shane, have you looked into the massive Stirling engines yet they are powering the kokum submarines in Sweden I also hear there is one on the space station being powered by a piece of plutonium also the massive ones that are being powered by parabolic solar shiny mirrors
@IronGoober
@IronGoober 9 месяцев назад
Beautiful. Very much appreciate the updates. It's neat to see what you can do with a welder and some ingenuity!
@mlindsay527
@mlindsay527 8 месяцев назад
A shot of the stack of wood consumed would be interesting.
@Lechoslowianin
@Lechoslowianin 9 месяцев назад
Well, that's beautiful. Because he wants to work
@bazookamoose7224
@bazookamoose7224 6 месяцев назад
The kid is awesome 😂 you should add a cooking top iron to it so you can also have a cup of tea while it’s running. Maybe also heat up some water to capture some more heat energy after combustion and displacement? I always thought these old designs would be great having a copper coil for pumping water around the stock, then have it pump hot water for a Victorian tub. Or cycle for jaccuzi.
@Lechoslowianin
@Lechoslowianin 9 месяцев назад
I have good news. My videos already have subtitles. Regards
@kaffeetasse9455
@kaffeetasse9455 8 месяцев назад
Really solid work there. You seem like one of very few who built a Stirling engine in an affordable way that runs smooth and delivers some useable power. I would really be interested in how this thing would perform hooked up to an efficient synchronous generator where you could find the ideal working rpm and perform some efficiency tests as well. Do you have a place where you share some of your learnings like a blog? I'm tempted to build such a thing to heat my garage and charge my house battery through the winter months. Keep it up, you're truly a very special and passionate bloke.
@susanvaughn741
@susanvaughn741 7 месяцев назад
Why don’t you have felt oiler ring rubbing on the collar of the piston? This looks like a very good engine but need better lubrication for longevity. I could use this to heat my house and charge batteries . I love that you get mechanical energy from wood. All combustion heating Systems can benefit from this technology.
@Voidy123
@Voidy123 8 месяцев назад
Awesome, now some extra cooling on the one side and maybe turbo to recycle some of that exhaust heat and you'll crank out a few kilowatts. A car radiator and fan should work for the cooling off, a fan can be connected to the flywheel or a battery. Your aim however is to make the temperature difference as large as possible, some people say you don't need cooling but the 40kw P90 had nitrogen for cooling and a turbine to reuse exhaust air.
@Raw774
@Raw774 9 месяцев назад
I wonder if a cooling tower like you see on some of the other stationary engines would increase the power?
@trygvetveit4747
@trygvetveit4747 9 месяцев назад
Love it! Qestion: Would it help to make shure the coolant water will be as cold as possible? Here in Norway our water supply is never above 10C or below 4C
@ShanePomeroy
@ShanePomeroy 9 месяцев назад
Hi, yes, cooler the better! You do have an excellent climate for Stirling engines!
@shysensuon
@shysensuon 9 месяцев назад
you see? that is what I want to know, how much time it keep running, I think that when someone make a diy stirling engine need to say how long it runs.
@michaeltheron1610
@michaeltheron1610 7 месяцев назад
Ive been seeing your videos for the first time today I don't know if you're ever experimented with helium or hydrogen as a heat transfer fluid, although not such a huge engine I have made smaller versions with spectacular results.
@xenofonlive
@xenofonlive 6 месяцев назад
how watts did you get from this engine?
@Sacred_l0g1x
@Sacred_l0g1x 7 месяцев назад
how much power it could barely produce?
@perrymattes4285
@perrymattes4285 9 месяцев назад
Hi Shane nice run You said you had guide pin wear did you go back to nylon guide pins on the pistons ? The balls didnt work out ?
@ShanePomeroy
@ShanePomeroy 9 месяцев назад
It's the guide rings near the seal section. Piston guides are still ball bearings and working out : )
@gerhardlesch3615
@gerhardlesch3615 9 месяцев назад
That scraping sound is worrying.
@daviddavids2884
@daviddavids2884 9 месяцев назад
some information/observations this engine has some serious design and drive configuration flaws. as to the latter, because the output of a heat engine is low-torque, it is Critical that the engine have plenty of Mechanical Advantage (MA) over ANY load that it experiences; including its own cooling pump.! this means the SMALLER pulley/gear/sprocket ALWAYS goes on the Engine Output shaft. (if you look around, you will see that where a system is powered (by engine or motor), for example, a compressor, the prime mover has MA over the load.) d
@justtinkering6713
@justtinkering6713 8 месяцев назад
Congratulations you've successfully recreated an over 100 year old invention.
@ShanePomeroy
@ShanePomeroy 8 месяцев назад
Urrr...Thankyou 😁
@kayakMike1000
@kayakMike1000 Месяц назад
Need piston with proper rings.
@fightline4741
@fightline4741 9 месяцев назад
Just out of curiosity did you ever think about running coal I don't know how easy it is for you to get it where you live I know it's pretty easy to get here in the US
@ShanePomeroy
@ShanePomeroy 9 месяцев назад
During this run I did actually mostly use smokeless briquettes:) the title photo is a bit misleading. The fire box is better suited to this because it's pretty small
@daviddavids2884
@daviddavids2884 9 месяцев назад
discussion of engine design flaws. a WELL-made gamma (or alpha) stirling engine does not need supplemental cooling. engine Design should be optimized for the thermal isolation of the sides. thus, too much compactness is NOT a good thing in a heat engine. the duct, and hot cylinder, Should be made of materials that conduct heat Poorly. lubricant should not be used in a heat engine. instead, components that contact one another should be made of metals of differing hardness.! normally, the strategic use of an 'assortment' of metals is seen, in a heat engine. for smoothest operation, the use of strokes of equal length is preferable. in order to use strokes of equal length, the Diameters of the cylinders Need to be of unequal. it appears that the con-rods and their ends are more massive than necessary. this is IMPORTANT, because, All of the Mass in the system that is in reciprocating motion, Acts as a speed LIMITER. see a governor. d en.wikipedia.org/wiki/Governor_(device)
@ShanePomeroy
@ShanePomeroy 9 месяцев назад
Thank you for your comments good sir : )
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