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Offset engine

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bcm
Member
Username: bcm

Post Number: 10
Registered: 11-2009
Posted on Monday, November 15, 2010 - 07:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

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johnoxley
Member
Username: johnoxley

Post Number: 12
Registered: 04-2010
Posted on Monday, November 15, 2010 - 11:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Looks like a Desaxe engine

See http://en.wikipedia.org/wiki/index.html?curid=24608799

Changes thrust on piston sidewall and alters durations of strokes.
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larry_from_maryland
Senior Member
Username: larry_from_maryland

Post Number: 439
Registered: 07-2003


Posted on Tuesday, November 16, 2010 - 07:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

The old 2 cylinder Deere engines were offset like that only the pistons were horizontial.
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johnny
Senior Member
Username: johnny

Post Number: 366
Registered: 03-2006


Posted on Tuesday, November 16, 2010 - 08:08 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Detroit Engine Works sold a 8hp 4 cycle horizontal stationary desaxe engine.
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richarddurgee
Senior Member
Username: richarddurgee

Post Number: 2479
Registered: 11-2001
Posted on Tuesday, November 16, 2010 - 08:39 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

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This little engine was one of the more obvious of the offset engines, in other 1907 ads the company claimed 20 to 40 percent less cylinder friction ? I will look but I believe Ferro engines were offset.


R07

In the early 1960's Chrysler Corp had a racing division and would recommend tips to get better performance from their V/8s, on drag strip use they suggested reversing the pistons on the rods, they were offset to quiet the engines but resulted in friction ? Lots of piston slap but they did seem to run quicker.

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richarddurgee
Senior Member
Username: richarddurgee

Post Number: 2480
Registered: 11-2001
Posted on Tuesday, November 16, 2010 - 09:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

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1909

Ferro Machine & Foundry Company


F1
F2


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ernie
Senior Member
Username: ernie

Post Number: 1291
Registered: 01-2002


Posted on Tuesday, November 16, 2010 - 11:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

The automotive industry still does this. However it us usually done be offsetting the wrist pin in the piston. Not by moving the actual cylinder bore off to one side
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rbprice
Senior Member
Username: rbprice

Post Number: 344
Registered: 11-2001


Posted on Saturday, November 20, 2010 - 08:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Not only did Ferro do that on their smaller and earlier engines, but my 1920 four cylinder, four cycle is also offset. Approx. .63 inch.

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