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Penn Valve Gear???

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paul gough:
Hello Everyone, I came across an interesting video of an oscillating engine with a slide valve operated by Penn's valve gear in Crofton Pumping Station. The only other information I have thus far found is an article on the American Society of Mechanical Engineers site about the steamboat 'Diesbar'. I wonder if there are any knowledgeable souls who would be able to provide further information on this valve gear or models with it, especially a diagram showing its layout etc. Regards, Paul Gough.

crueby:
Hi Paul,
A while back I had some discussions about that engine with Michael here on the forum, he pointed me at a book by Josef Reineck that has slightly simplifed plans for a model of that engine. There are some videos online of the real one running. Here is a link to the book (in German)
https://www.amazon.com/Dampf-44-Die-Diesbar-Schiffsdampfmaschine/dp/3788341173
Its a very interesting valve design - I have not worked through the diagrams close enough to really understand the reversing part of it yet, but the book has plans for all the parts.
Chris

Jasonb:
This video has a model of the valve gear

http://www.youtube.com/watch?v=yOmD0vXOiPE

Admiral_dk:
The video show it well - thank you Jason  :ThumbsUp:

Per

paul gough:
Thank you Jason and Chris, These give me something more to work with. I saw a video quite a while ago of a little slide valve oscillating engine by Elmer Verberg, sorry I don't remember its name and I hope I got his name right. It came into my mind that an adaptation of his engine with a 'Penn' like valve gear might be a nice little diversion for a fossilising brain and fit in with my minute workshop and Sherline machine.
Any further documentation on this valve gear and the engines would be much appreciated, I can usually plumb the meaning, (JUST!), if there happens to be something written in French or German, even though it is an English design as far as I know. Again thanks guys, as is usual our members generosity and knowledge is gold standard! Regards, Paul Gough.

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