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Old 05-26-2010, 10:50 PM   #1
max corrigan
 
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Default Rotary valve twin steam engine


This is my rendition of the rotary valve engine in plans, i would like to thank whoever posted them it is a great little engine and runs well
My version was made from scrap cast iron,stock material, and anything else that fitted the bill
Here are a couple of pictures, then i will try the vids
Regards Max

Ps looks like the two attachments are of the same picture sorry!


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Old 05-26-2010, 11:36 PM   #2
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Default Re: Rotary valve twin steam engine

Max,

That's one fine looking engine.

Best Regards
Bob



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Old 05-26-2010, 11:48 PM   #3
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Default Re: Rotary valve twin steam engine

that looks great , what bore and stroke is it?

where did you get the plans for it

thanks

peter

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Old 05-27-2010, 12:03 AM   #4
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Default Re: Rotary valve twin steam engine

Beautiful finish on the parts. I built 2 of these. Even my sloppy first one runs great.
Really like your intake and valve. Keep up the good work and pictures. Ironman

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Old 05-27-2010, 12:55 AM   #5
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Default Re: Rotary valve twin steam engine

The dark color with the polished brass looks really nice.

SAM

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Old 05-27-2010, 02:30 AM   #6
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Default Re: Rotary valve twin steam engine

Nice work Max. Great detail work. I like the black/brass combo.

Cheers,
Phil

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Old 05-27-2010, 04:06 AM   #7
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Default Re: Rotary valve twin steam engine

Can anyone help me in locating the plans for this engine please?

Bogs

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Old 05-27-2010, 09:12 AM   #8
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Default Re: Rotary valve twin steam engine

A couple more pics
Peter HS93 the bore is 9/16" and stroke is 7/16
John (bogs) and Peter the plans are under "Elmers Steam Engine Plans" open page scroll down to Steam Engine Plans" (not Steam Engine Plans 2) scroll down on right hand side you will see Rotary Valve Engine
let me know if you get them
I'm gonner try the video in seperate post having trouble getting files in one post that's the problem not understanding computers
Regards Max.....

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Old 05-27-2010, 09:16 AM   #9
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Default Re: Rotary valve twin steam engine

thank you for that I will have a look .

Peter

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Old 05-27-2010, 09:48 AM   #10
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Default Re: Rotary valve twin steam engine


I hope this Vid comes out OK, i first ran the engine on air, but steam gives it another dimension, I think!
The vid seems to show the engine running anti clockwise which is not the case, and the faster the revs the slower the valve linkage appears to move! very strange!
This engine can run at quite high revs, so much so, the grub screws i made (with slotted heads) flew out! hence the odd looking screws you might notice
i think i mentioned my bad steaming layout, you will see one exhaust blasting on the oiler which keeps it nice and hot! not quite the right idea idea
There were no leaks on the engine other than the ends of the valve rod, which were as in the plan, i put oil grooves on the pistons "alla Stuarti used 0 rings under the manifold, and tel's method for sealing cylinder head ie PTFE tape twined around head studs, no gaskets, as i said no leaks most of the steam is coming from the safety vale on the boiler and the exhausts
I did do a spasmodic build arrangement as i went along with pics, but now it would be retrospect but can attempt to post if anyone is interested
Regards Max


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