The slant I am approaching this question from is one I have felt strongly about for some time. It's the half step back, full step forward approach. Prior to the second world war, power densities available were small from internal combustion engines. To compensate, the emphasis was on efficient hull form. These days, emphasis seems to focus on everything but hull efficiency with power installed in unlimited quantities to suit. Seems to me that in applying a low power density propulsion scheme, it would be smart to revert to such hull forms as were used before there was high density power. It's all good and well to drive your inflatable with an electric motor, but since it was designed for planing speed with a gas outboard, you will probably be operating in the least efficient speed range. My tack was to start with a hull designed for the lowest power density - rowing. Specifically, my electric drive conversion is based on a Whitehall hull.
This project has been a slow gathering of pieces from far and wide. Ken Flowers, an exceptional lobster boat builder up in Maine came through with the molded hull shell of perfect dimensions for this small scale beta project. Solar panels and electrical components have been trickling in from E-Bay and other online sources. Wood's Boats in RI came through with an affordable gently used salt water trolling motor. I suppose if you really looked at the overall system energy of this project, it may not really be as close to zero impact as I'd like - what with all the shipping involved. But as with most things, I think what is important is the avenue of thought. It's the channeling of creative energy toward a better solution.
So here's the embryonic version of solar skiff. Not especially pretty at present. and maybe even a bit hard to recognize for what she is intended to be. But for all of that, it's the start to a start. I suppose that in itself warrants documentation. And besides, I'm told it's the progress that gets noticed. Maybe the embryo stage will make later imperfections less noticeable!
No comments:
Post a Comment