two displacers and one double acting work piston

Discussion on Stirling or "hot air" engines (all types)
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omblauman
Posts: 6
Joined: Thu Apr 12, 2018 4:01 am

two displacers and one double acting work piston

Post by omblauman » Fri May 04, 2018 2:40 pm

I am looking for examples of Stirling engines which power one double acting piston with two oppositely phased displacers.
One known case is Jim Dandy's #6 http://www.starspin.com/stirlings/jimd6.html
Another one seems to be the river paddle boat Heiland Lad http://www.stirlingengines.org.uk/boats/index.html
Is anybody aware of more realizations of what seems to me the most natural form of a pressurized Sterling engine whose great advantage is the one of keeping the work piston leaks confined to the two closed cycles?
thanks Oskar

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