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Another Dis Pro device patent

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Senior Member
Username: miro

Post Number: 749
Registered: 11-2001

Posted on Wednesday, March 12, 2014 - 01:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

From 1924.

A nice try, but a bit complex and if you look carefully, there are a lot of joints, which means that the propeller will (eventually) flop around a bit.

The limitation is still the size of the prop, which means that the engine cannot be all that powerful. However, it's still better than rowing the boat.


dispro device

Compare it to the existing device, which you can see here. The skeg and lifting mechanism is all one piece.


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