Another Dis Pro device patent

Author Message   miro Senior Member Username: miro Post Number: 749 Registered: 11-2001 Posted on Wednesday, March 12, 2014 - 01:57 pm:        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. Miro Compare it to the existing device, which you can see here. The skeg and lifting mechanism is all one piece. http://www.dippy.ca/howpics/schematic.htm

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