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Rotating Valve Engine

Old Marine Engine » One and Two Cylinder Gas Inboards » Rotating Valve Engine « Previous Next »

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miro
Senior Member
Username: miro

Post Number: 903
Registered: 11-2001


Posted on Thursday, March 30, 2017 - 07:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I saw this engine at JB's shop this past weekend at his annual camp and tour event.
Not only this engine but lots of other really interesting stuff including boats and good people were to be seen and experienced.

Here's the video

https://www.youtube.com/watch?v=ypDGJldqhQY&feature=em-upload_owner

miro
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ned_l
Senior Member
Username: ned_l

Post Number: 121
Registered: 08-2012
Posted on Thursday, March 30, 2017 - 12:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

That's pretty neat. I wonder what type of compression ratio that has with the piston stopping so low in the cylinder (or is the crank simply not being rotated through a complete turn in the video).
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jb_castagnos
Senior Member
Username: jb_castagnos

Post Number: 1292
Registered: 07-2002


Posted on Thursday, March 30, 2017 - 01:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Thanks for the video Miro, glad y'all had a good time. The cylinder head has a step that protrudes into the cylinder, increasing compression.
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ned_l
Senior Member
Username: ned_l

Post Number: 123
Registered: 08-2012
Posted on Monday, April 10, 2017 - 12:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Ahhh, .... That makes sense, thank you JB.
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pegasus
New member
Username: pegasus

Post Number: 1
Registered: 01-2014
Posted on Saturday, June 10, 2017 - 01:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi out there. Guess I am new to the discussion forum but here goes. About 60 years ago my father had small boat on Loch Lomond, Scotland. It had a two cylinder Kelvin, Sleeve Valve engine that started on petrol (gas) and , once warmed up, you changed over to paraffin with a cock on the carb. Ran for ever! Anyone know if these engines are still running?
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jb_castagnos
Senior Member
Username: jb_castagnos

Post Number: 1314
Registered: 07-2002


Posted on Sunday, June 11, 2017 - 10:10 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

This is the only sleeve valve engine I've dealt with, I remember seeing a generator at a show that had a sleeve valve, I believe it was built by Knight.

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