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Re: LTD regenerative displacer
Posted: Mon Feb 21, 2022 6:17 am
by Alphax
Tom,
- yes, it is quite a nice, readable piece of work with some nice photos. Also, there is a useful table showing how the LTD that she worked on varies in rpm as a function of temperature difference.
Re: LTD regenerative displacer
Posted: Sun Mar 12, 2023 2:22 am
by Tom Booth
Turns out my "new style" LTD regenerator is not so new after all.
I just came across this video from 8 years ago, showing the assembly of a 3D printed Ringbom type LTD with essentially the same type of stationary regenerator on the sides, surrounding the displacer rather than being incorporated into the displacer itself.
https://youtu.be/Dxu6yYSwVnk
That this is also a Beta type free-piston LTD Ringbom is also interesting.
Re: LTD regenerative displacer
Posted: Sun Mar 12, 2023 3:03 am
by Tom Booth
There is a 3D print file for the above LTD Ringbom free-piston engine on Thingiverse
Free-piston Stirling engine
https://www.thingiverse.com/thing:1419414