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Wright Bros stationary engine


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  #1  
Old 12-12-2013, 09:26:27 PM
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Default Wright Bros stationary engine

Saw this neat book describing the evolution of the Wright bros aero engines put out by the Smithsonian. In the appendix is a reference to a stationary engine they made for their shop employing a neat mechanism to actuate the exhaust valve without a half-speed cam. It is a hot tube, air cooled design.
http://www.gutenberg.org/files/38739...9-h.htm#page65
I also never knew they used ported exhaust in one of their early aero engines to reduce the head cooling load... These guys were very ingenious !
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Old 12-12-2013, 09:56:05 PM
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Default Re: Wright Bros stationary engine

Very cool! Does anyone know if this engine is on display or locked away in the archives of the Ford museum? I would be very interested in seeing more pictures of it to get a better understanding of how it operated compared to other engines of the era.
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Old 12-13-2013, 08:01:36 AM
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Default Re: Wright Bros stationary engine

When I visited the Ford Museum in the late 1960's, the engine was in place in the Wright Brothers shop in Greenfield Village.

If the shop is still there, the engine will most likely still be there, too.
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Old 12-13-2013, 09:13:26 AM
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Default Re: Wright Bros stationary engine

These are pics of the engine I have on file from somewhere off the web. There's also a sketch someone drew of the gearless mechanism. What was the reason for the piston guide? on front of the head. Kind of a neat-looking engine.

-Nick
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Old 12-13-2013, 09:28:54 AM
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Default Re: Wright Bros stationary engine

It was still there 2 or 3 years ago!
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Old 12-13-2013, 10:36:52 AM
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Default Re: Wright Bros stationary engine

Maybe they where thinking of making a compressor of some sort, off the end.
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Old 12-13-2013, 12:51:03 PM
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Default Re: Wright Bros stationary engine

Neat pics Nick! I did not realize the piston had a crosshead. That is a very unsusal feature.
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Old 12-13-2013, 09:25:48 PM
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Default Re: Wright Bros stationary engine

I'm bummed that I missed it when I was at Greenfield Village. Then again the Wright Brothers shop is pretty packed with stuff.
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Old 01-19-2014, 05:00:23 PM
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Default Re: Wright Bros stationary engine

I was messing about in the shop this morning and had to try to replicate the mechanism in this engine. Here it is mocked up in wood... Eventually it will show up in iron on some contraption.
http://m.youtube.com/watch?v=M7H-wnHxxXU
I believe centrifugal force will keep the outermost flipper arm put until it is moved by the pivot roller. Very clever fellows those Wright bros were....
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Old 01-20-2014, 08:52:31 AM
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Default Re: Wright Bros stationary engine

Aww, Paul! Your mock-up of that gearless cam's got me thinking I have to have one of those on my next project.

As soon as I think I've run out of ideas, someone goes and gives me another one.
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