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Antique Marine Engines and Outboard Motors Discussion on old marine engines, naptha, gas, oil or steam and vintage outboard motors.

Antique Marine Engines and Outboard Motors

2-cylinder Marine, auto or aero unknown?


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  #1  
Old 12-13-2016, 05:09:00 PM
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PaulGray PaulGray is offline
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Default 2-cylinder Marine, auto or aero unknown?

OK...here is a strange one. This originally belonged to a deceased friend with a penchant for the unusual. I am trying to figure out what it is or what it was used for. It is a two-cylinder 3-port with a 4" bore and ~5" stroke. It is missing the flywheel but the mount is a tapered shaft with a 1-1/16" -14 threaded stub for a lock nut. The gear on the other end is only on with a set screw, so I believe it drove a pump or something small. The rods are bronze ends with a threaded steel rod in between. Crankcase is aluminum. I was thinking it may have been an early horseless carriage engine or aero engine....or is it marine? I'm thinking it was a prototype as it has almost zero wear on the bearings and the cylinders cleaned up super nice. It's obviously been indoors all its life as the head surfaces are very smooth. The rod design makes me think it is very early 1900's ? So give me your thoughts; speculation and weapons-grade BS welcome. I am working on getting it running. It is missing the intake/exhaust port covers and a carb in addition to the flywheel.
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Old 12-13-2016, 05:11:03 PM
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Default Re: 2-cylinder Marine, auto or aero unknown ???

Another pix as the iPad only does one at a time
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Old 12-13-2016, 05:12:24 PM
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Default Re: 2-cylinder Marine, auto or aero unknown ???

Picture three of it in pieces
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Old 12-14-2016, 01:26:03 AM
tdmidget tdmidget is offline
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Default Re: 2-cylinder Marine, auto or aero unknown ???

Try to find some pix of Iowa engine and launch works engines. Looks close.
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Old 12-14-2016, 11:01:19 AM
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Default Re: 2-cylinder Marine, auto or aero unknown ???

Saw a picture in Wendells book....I don't think it is.
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Old 12-15-2016, 06:29:33 PM
TomBall TomBall is offline
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Default Re: 2-cylinder Marine, auto or aero unknown?

Paul, I'd lean more toward the marine application just on the timer set up. One thing is obvious. It ain't no Myrick!!!
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Old 12-28-2016, 04:15:21 PM
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Default Re: 2-cylinder Marine, auto or aero unknown?

More info to help date this thing. Went to chase the tapped holes in the head and they were 1/2-12. From what I read, the standard switched over around 1907...so I'm guessing this predates that date.
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Old 11-02-2019, 09:14:32 AM
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Default Re: 2-cylinder Marine, auto or aero unknown?

After pouring over many pages in google books and other search resources, this one looks closest to either a DeLong or Elbridge. At one time I thought it may have been an Elmore, but the mounting and cylinders are not close. I base this current possible ID on features of the aluminum base. I do know that DeLong sold out to Elbridge around 1909. Wondering if this is a prototype DeLong may have made. Does anyone have any pictures of some of the DeLong engines or other Eldridge engines...? It does now run and quite respectably for a two-stroker.
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Old 11-02-2019, 04:06:13 PM
KidDynamo KidDynamo is offline
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Default Re: 2-cylinder Marine, auto or aero unknown?

Quote:
Originally Posted by PaulGray View Post
More info to help date this thing. Went to chase the tapped holes in the head and they were 1/2-12. From what I read, the standard switched over around 1907...so I'm guessing this predates that date.
I've run into 1/2- 12 quite a bit later than 1907, for example my 1919 Alamo and Atlas Diesels into the 20's, I do believe.

Not that this would change anything about your interesting engine.
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