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richarddurgee
Senior Member
Username: richarddurgee
Post Number: 2399
Registered: 11-2001
| | Posted on Thursday, May 13, 2010 - 08:07 pm: | 
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Schaake 1910
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gregoryan
Senior Member
Username: gregoryan
Post Number: 62
Registered: 09-2004
| | Posted on Thursday, May 13, 2010 - 10:27 pm: |
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Wow, thanks for posting another weird wonder!
It does not show the cam drive ratio, nor where the ports lead to, however;
I imagine it is a 4 stroke [as there is no separate induction chamber] with possibly an atmospheric inlet valve [not shown] OR;
There could be 2 piston-valves per cylinder [not shown] if no atmospheric inlet were used!?
Either way; there would be considerable combustion forces bearing down on the piston-valve/s. The third pin in the intermediate valve rod is staying still as though a pivot point, this would share half of the combustion pressure with the cam, it would seem.
"24Hp & up" wow; i imagine that's at least a twin.
Has anyone got a pic of one, or known of one?? |
robert
Senior Member
Username: robert
Post Number: 369
Registered: 07-2003
| | Posted on Friday, May 14, 2010 - 12:03 pm: |
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Given that these were a west coast design and used mainly in salt water, it's not surprising there is only one known survivor: in the Vancouver Maritime Museum. Probably an engine used on lakes or only in the Fraser river.
Thanks for posting that Richard. What magazine is the advert from? |
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