Next message: (no name): "Re: TWL: RE: Bottom Effect"
>
> This phenomena becomes more pronounced with vertical walls
> in close proximity to the moving hull such as in a narrow
> channel where the hull almost reaches bottom. I'm just
> wondering if any of our list members have noticed this effect
> when transiting canals or dredged channels in very shallow
> waters in heavy displacement hulls that nearly touch bottom.
>
Yes indeed. I've noticed this effect many times in the ICW on Que Linda
(55', 6' draft, 70 tons.) At first I thought it was the autopilot acting up
but after a while I noticed that it works fine as long as I have at least 6
feet of water under the keel.
There is some effect in shallow water even without the presence of banks.
Hal
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