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richarddurgee
Senior Member
Username: richarddurgee
Post Number: 1795
Registered: 11-2001
| | Posted on Tuesday, September 09, 2008 - 10:53 am: | 
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From approx 1905 to 1920 Oppopsed marine engines were commonly advertised, My mfgrs list has 34 names of makers of these engines. They seemed practical and well made by many well known mfgrs yet I see very few of them around ??
this is Brennan 1905 ad they were an early marine engine mfger and made many different designs.
1905
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bgoss
Advanced Member
Username: bgoss
Post Number: 39
Registered: 12-2007
| | Posted on Wednesday, September 10, 2008 - 09:03 pm: |
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Richard, you must have an amazing database to be able to pull up how many companies you know of that were making opposed engines.
Are there specific differences that identified a marine from an automotive opposed engine?
Any ideas about this one? Sorry about the poor photo, it's kind of jammed in at the back of the shed.
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richarddurgee
Senior Member
Username: richarddurgee
Post Number: 1800
Registered: 11-2001
| | Posted on Thursday, September 11, 2008 - 09:46 am: |
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Thanks for the photo, The top plate and the right angled metal valve guide plates look like a Beilfuss Marine Motor - Lansing ,Michigan about 1908-10 !
Good question as to how to tell the difference between an auto or marine application of these opposed engs ? I would say that as with the brennan above, marine engines required mounting supports , flanges, etc with a wider reach and lend themselves to being secured into a wooden hull ? Thrust bearings may be larger on marine applications ? Of course an output shaft coupler or flange would indicate marine ? Timer control mounted on engine in marine- auto may have used more remote methods ? ?
I'll post some photo ads maybe we can find a little more about these engs ??
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richarddurgee
Senior Member
Username: richarddurgee
Post Number: 1801
Registered: 11-2001
| | Posted on Thursday, September 11, 2008 - 10:32 am: |
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Blair
This 1908 ad IDs your engine as a Beilfuss, I think I have seen better photo ads I'll look !
1908
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richarddurgee
Senior Member
Username: richarddurgee
Post Number: 1802
Registered: 11-2001
| | Posted on Thursday, September 11, 2008 - 09:30 pm: |
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Interesting ad with engine resting on the flywheel and cover off to show the camshaft ??
1908
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richarddurgee
Senior Member
Username: richarddurgee
Post Number: 1803
Registered: 11-2001
| | Posted on Friday, September 12, 2008 - 05:45 am: |
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Several years ago we discussed the incomparable
Van Auken Opposed engine here !
http://www.oldmarineengine.com/discus/messages/1/2415.html#POST8160
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bgoss
Advanced Member
Username: bgoss
Post Number: 40
Registered: 12-2007
| | Posted on Friday, September 12, 2008 - 09:08 pm: |
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Thanks Richard, always like getting an ID on another one. I did a quick search of Beilfuss and couldn't find much else about them. Do you know if they made singles as well?
Knowing what name to look for, we did find an ad for a stationary opposed Beilfuss in a 1907 magazine (basically the same engine with a big cast base).
Thanks for the link to the Van Auken thread. Good concept if they could ever get all the parts to co-operate...
I guess that you have the Canadian Gas Power and Launches in your list of opposed marine. I see that Larry has posted a picture of his here before. They had fan blades cast as spokes in the flywheel. Were there other firms used this idea to move the stale fumes out of the bottom of the boat? |
richarddurgee
Senior Member
Username: richarddurgee
Post Number: 1806
Registered: 11-2001
| | Posted on Friday, September 12, 2008 - 10:17 pm: |
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So far my search only shows Beilfuss making the twin opposed engs, my info is marine only so is limited in scope as to what other markets these engs were advertised in !
These are The Canadian Gas Power photos, a few other mfgrs used flat air blade type spokes !
This engine is at the top of my favorite Opposed Eng list- The name Sintz is pretty good to start with- these engs were used by the USNavy in many of their launches.
1908
This Hall eng was advertised alot in this 1910 era
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billschaller
Senior Member
Username: billschaller
Post Number: 160
Registered: 12-2003
| | Posted on Saturday, September 13, 2008 - 07:55 pm: |
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Here is a more modern motor. Name tag missing, but probably from 50's or 60s. The sheet metal stacks are to get cooling air above the wood boat deck.
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billschaller
Senior Member
Username: billschaller
Post Number: 161
Registered: 12-2003
| | Posted on Saturday, September 13, 2008 - 08:10 pm: |
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here are my pictures of Blair's motor, from when I visited in 2004. Dumb luck I just happened to visit a guy who lived a mile away one day.
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billschaller
Senior Member
Username: billschaller
Post Number: 162
Registered: 12-2003
| | Posted on Saturday, September 13, 2008 - 08:17 pm: |
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As far as fan blades, here is my paige-detroit, which is a converted car motor. I assume the fan blades are left over from when it was in a car.
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richarddurgee
Senior Member
Username: richarddurgee
Post Number: 1807
Registered: 11-2001
| | Posted on Saturday, September 13, 2008 - 08:59 pm: |
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Bill
Thanks for the photos- rare to get all around photos of these opposed engines for comparison.
1908
1908
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bgoss
Advanced Member
Username: bgoss
Post Number: 41
Registered: 12-2007
| | Posted on Monday, September 15, 2008 - 09:02 pm: |
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Yes, thanks for those photos Bill. That's at Dads place before the engine got shunted back into a corner to make room for something new.
It sounds like the right idea to minimize vibration in a boat. There seems to be a market for these opposed engines between about 1905 to 1910 based on the ads. Then they reappear reinvented in a lighter air-cooled and/or aluminum form in the 50s +/- like Bill's engine above.
What happened in between? Just too heavy? Timing of the wars/depression? |
richarddurgee
Senior Member
Username: richarddurgee
Post Number: 2207
Registered: 11-2001
| | Posted on Sunday, October 11, 2009 - 11:45 am: |
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Oppopsed engines discussion
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