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post #12 of Old 09-22-2012
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Re: Water Ballast Boats ?

In addition to the valid points made above, two items occur to me about water ballast:

1) To have anyting near enough righting moment with water ballast being carried so near the surface of the water, MUCH more weight has to be pumped inside the hull. At best, your sails create just a few horsepower to propell your boat. Remember that you have to accellerate the total mass of your boat (including water used for ballast) with that limited power every time you tack.
2) Being able to tow a water ballasted boat with a smaller vechicle dosen't seem valid. Unless there is a pump to evacuate the water used for ballast while the boat is still in the water, the weight must be pulled up the ramp to drain by gravity. While you might not need a Power Wagon to tow down the road, you will need it for that first few feet up the ramp. A smaller, more economical tow just isn't likely to do it.

The main advantage of water ballasted boats has always looked to me like it is mainly for the builder. They are selling you empty space inside the hull and a couple of valves instead of lead.
Are these boats any less expensive?
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