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Kayak and Canoe Design Bulletin Board
Re: Dynamic versus static weight
Posted By: Nolan In Response To: Re: Dynamic versus static weight (Berkeley C.)
Date: Wednesday, 25 August 1999, at 3:09 p.m.
> Spurious reasoning George. Throw 150 lbs on your back and see if you make
> it a block. I'll throw 150 lbs in my Kayak and see you in twenty miles.No, he's right. Kinetic energy equations, KE=.5MV^2. Reduce the mass, and you reduce the energy required to maintain the velocity.
You may wish to try your notion of throwing an extra 150 lbs in the boat and observing the substantial difference in energy required of you to maintain a given speed. If your boat cannot hold that, try a rowboat. Heck, try a car pulling a trailer or simply filled with people.
True, it takes progressively finer sensitivity to detect finer changes in weight, but inability to detect via the butt does not equate non-existent. I assure you that you would certainly feel 150 lbs increase on a 20 mile cruise.
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