Thats very cool! I fancy building one myself. A couple of questions if I may:
1) I take it the coiled pipe is copper? What bore?
2) The burner is just a meths burner?
3) The pipes exiting the boat exit below the water line? Level with it?
WebPilot wrote:From my reading, they don't scale up.
Payne scrapped the idea, patented and developed a single tube design. I have a photograph of one of his designs in a rowboat, but heaven knows where it is now.
Larry Cottrill wrote:Is there any chance that larger ones don't work just because it's impossible to keep a liquid lock against the vapor, ...
Larry Cottrill wrote:If that's the case, you could try large, very flat rectangular or oval ducts of sufficient area. Or, batteries of parallel tubes banded together.
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