High power thermoacoustic Stirling engine – ready for first test runs

In this video I show you the assembling and first test runs of the new high power thermoacoustic Stirling engine.
I want to generate cheap energy to go off grid with our solar plant and this micro cogeneration unit CHP fired with self produced biogas.
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Thanks to Baptiste ( alias OfficialyMax ) we now have a Discord server:
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It would be very nice if we could discuss there everything about Stirling engines, thank you very much Baptiste.

After the demonstration Stirling was such a great success, I immediately wanted to build a more powerful engine for much higher temperatures and pressures that was capable of producing useful energy.
Over the last few weeks I have been very busy making the parts for my new high power thermoacoustic Stirling engine with my DIY CNC lathe , milling machine and home made EDM controlled by FreeCAD and LinuxCNC.
Since the new engine is basically a scaled version of the old low-power Stirling, and I still don't understand enough of the theory, I'm very curious to see if it will start at all.
The reactive power of inertance and compliance has a big influence on performance and efficiency, and I really need to look more into the theory and DeltaEC to get the best out of it.
The frequency with the piston installed at standstill and running is displayed on my test bench as 95.57 Hertz.I still need to check this with an oscilloscope, especially at higher frequencies, I don't want to blindly trust my simple measurement technique and self-written peak-detection algorithm.My measurement evaluation always calculates a frequency even if there is no oscillation, this probably leads to meaningless frequency data sometimes, I still have to improve this.
Overall, I am very satisfied and surprised how good the results are with the first and very provisional and improvised setup.
Now I have a lot to improve and experiment and I hope that I will soon be able to produce energy with a thermoacoustic Stirling engine for the first time.
As always, I'd love to hear your opinions, help and criticism in the comments.
Thanks for watching!

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