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Philip Duclos oscillating engine

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gg89220

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hello
4-stroke engine with hit & miss regulation
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Brian Rupnow

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Actually, it is quite simple. I built one a few years ago, and it performs very well. The only issue I had was that the o-ring seal between the bearing stand that doesn't move and the carburetor that does wears out very quickly and then it leaks air and the engine won't idle down very well. Duclos went out of his way to make it appear complex, but it has no more parts than any other simple hit and miss engine.--Brian
 

Sprocket

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I've built that one also. It really isn't that complex. It uses a SHCS for the cam, a little rough, but it works. Intake and exhaust through the same pillar.
I had a little trouble keeping the plug lead on as the plug oscillates with the cylinder. Fun little engine, and mine ran well too!
Doug
 

Terry C Halladey

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Wow! After looking at the photos I am almost afraid to post my poor attempt. Just remember when I do that I still an amateur.
 

Sprocket

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The fins are a really good idea. Mine runs well, but I limit the time it runs because it heats up. The square cylinder body is very thin on the sides.
Doug
 

Sprocket

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That's a lot prettier than mine!
Looks good! What did the little coil come from? I like the way you stashed it underneath.
Doug
 
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jamesmattioli

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[QUOTE = "Sprocket, post: 349608, membro: 49"]
Valvole interessanti, ma perché no.
Mia moglie si riferisce alle valvole come "quelle cose che sembrano chiodi".
[/CITAZIONE]
ciao , ho visto il tuo motore , anche io sono appassionato , ti chiedo se si possono avere i disegni completi per la costruzione . grazie
 

ShopShoe

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That looks and sounds great.

The design is a little different, but provides lots of interesting actions to watch.

Maybe some day I'll get around to attempting this one.

Thank You for positing.

--ShopShoe
 

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