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Hi Ian,
thank you for your suggestions. At the moment I'm only collecting information. I know that this alloy is dangerous but I read that in same project it was used.
When I'll start to build my SE I'll keep in consideration all infos coming from this forum.

In order to improve the performance of my rhombic drive beta SE I would like to use air or helium pressure at the range of 10-50 bar and to tranfer and storage heat I'm checking if it is safe to use NaK alloy.
Anybody has some infos about that?

My first idea of rhombic drive beta SE has the following features: displacement: 80cm3 diameter of the gears: cm 13,542 pin radius: cm 3,386 distance between connecting rod: cm 7,038 length of connecting rod: cm 8,464 power displacement: cm3 20 work displacement: cm3 60 bore: cm 3,2 power stroke: cm...

Hi theropod2, thank you for your suggestions. As I wrote at the beginning of this thread I'd like to design a rhombic drive beta SE. In this configuration the flywheel consist of the third gear moved by of the counter rotating gears linked to the arms and to the pistons. See also the following video...

Hi Ian, one of the most important aspects in desinging SE is the sealing. I would like to use round rings made by Viton (Dupont) or Vulkollan (Bayer). These two plastic materials have high resistance to mechanical stress and are often used to make gaskets and o-ring. What do you think about them? Do...

Thank you for your suggestion on the books. At the moment I'm only collecting information and then I'll start with the design. Using this italian book I found infos about the sizing of a rhombic drive beta SE. Surfing on www.solarheatengines.com I tried so simulate the four configurations I'm thinki...

The italian book is"Guida pratica al motore Stirling" by authors F. Immovili, G. Ascari, F. Molinari. Reading it I knew in details the operating principle of the SE and the differences between all the types of engine. It gives suggestions on how to right size SE and all its components. Reg...

Hi Ian S C, thank you so much for your prompt reply. Using the specifications found on an italian book I designed four different possible rhombic drive beta SE with different displacements and powers. Now I have to define the working pressure in order to fix the wall thickness of each cylinders. I w...

Hi, I'm new in this forum and I would like to have some suggestion regarding the material to use for making the regenerator and the hot and cold cylinders in a beta stirling engine. My idea is to use stainless steel for hot cylinder and aluminum for cold cylinder; for the regenerator I think to use ...

Hi, I'm new of this forum. I'm writing from Italy. I'd like to build a Stirling Energy.

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