Unknown Rotary Valve Engine

nar · #1 02-01-2010, 11:45 PM

A friend asked me what kind this was & I had no clue. It's a rotary valve 4 stroke. Anyone know who made it?

-Nick

D Reachard · #2 02-02-2010, 09:36 AM

It has a look of a Waterman about 1913.It has no valves & the sleeve rotates (Geared to the crank)to open & close the ports.

John Davidson · #3 02-02-2010, 02:43 PM

It does not look like my Waterman (?). I beleive mine is a Waterman but it has no name plate. It is a 4 cycle and does have a slotted sleeve that rotates around the cylinder. In the picture, you can see the drive for the rotating sleeve at the bottom right of the cylinder. It appears to be a marine engine. It has a magneto and a oil pump. It is missing top of carburator. Anyone have a engine like this?

nar · #4 02-02-2010, 10:17 PM

Thanks for the replies. I found a 1917 Waterman add showing their engine. It looks pretty close to my friends. (the add shows the opposite side of the engine)

-Nick

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Unknown Rotary Valve Engine

A friend asked me what kind this was & I had no clue. It's a rotary valve 4 stroke. Anyone know who...