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Twin Cylinder

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John Davis
Senior Member
Username: johnny

Post Number: 650
Registered: 03-2006


Posted on Tuesday, November 21, 2023 - 12:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Posting these photo's for someone. Anyone know the engine manufacturer?



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John Davis
Senior Member
Username: johnny

Post Number: 651
Registered: 03-2006


Posted on Tuesday, November 21, 2023 - 02:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

This engine above was installed in this Michigan Steel boat. MSBC was known for installing DEW engines in their boats & re tagging the engine with their on brass tag but they also used engines from other manufactures located locally around the Detroit area. Maybe a Termaat & Monahan engine?


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John Davis
Senior Member
Username: johnny

Post Number: 652
Registered: 03-2006


Posted on Wednesday, November 22, 2023 - 03:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

A few more photo's.






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miro forest
Senior Member
Username: miro

Post Number: 1244
Registered: 11-2001


Posted on Friday, December 01, 2023 - 10:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

That boat must have been very "wet" - waves from any angle washing over the deck into the laps of the passengers.
An inland boat for cruising on sheltered waters.

Still a nice looking boat.
miro
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Jim Parrott
Senior Member
Username: jim_parrott

Post Number: 226
Registered: 06-2009
Posted on Tuesday, December 05, 2023 - 11:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Nice motorboat combination. Looks like two original fuel mixers being used as check valves for the carburetor cobbled to them. No idea on the engine id, Looks like about 4-5hp.

Good Luck
Jim
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John Davis
Senior Member
Username: johnny

Post Number: 653
Registered: 03-2006


Posted on Friday, December 08, 2023 - 01:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

After doing some research & looking back at some of my old DEW literature I think this engine may be one of the very 1st early DEW twin engines produced. Old literature shows that some of the DEW twins did have this 2 piece flanged type of crankcase with 3 mounting holes on each side of the crankcase. The original exhaust manifold is missing & someone has made a homemade one. The two mixers have been turned upside down & a homemade intake manifold made & attached in order to run a single carb using the mixers as check valves. For some odd reason this engine has a total of six water inlets/outlets. one on the top of each cylinder & two on each cylinder front & back & they are all bronze threaded inserts. Anyone know why there would be six water inlets/outlets ?
See new photo's below.





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John Davis
Senior Member
Username: johnny

Post Number: 654
Registered: 03-2006


Posted on Friday, December 08, 2023 - 01:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Few more photo's





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John Davis
Senior Member
Username: johnny

Post Number: 655
Registered: 03-2006


Posted on Friday, December 08, 2023 - 01:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

The boat was manufactured by Michigan Steel Boat Company. This appears to be one of MSBC's 18 foot automobile boats that has been modified slightly. It could be ordered with a engine displacement anywhere from 2hp all the way up to 15 hp.
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Chris Spring
Senior Member
Username: chris_spring

Post Number: 279
Registered: 02-2019
Posted on Sunday, December 10, 2023 - 10:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I love the lines of the boat.

Cheers!
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B. Goss
Senior Member
Username: bgoss

Post Number: 284
Registered: 12-2007
Posted on Sunday, December 10, 2023 - 08:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

John- keep those oilers tucked under your pillow at night. I think that they may be worth more than the engine.
Blair

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