Re: Liquid Ballast vs. Iron Weights

Posted by buickanddeere on July 30, 2004 at 08:29:20 from (192.75.48.150):

In Reply to: Re: Liquid Ballast vs. Iron Weights posted by Ron on July 30, 2004 at 04:37:09:

Energy to accelerate the cast weights to speed is then converted to heat when stopped by the brakes or drag from the load.
Any extra weight carried on the tractor does increase rolling friction in both the tire and the ground below it. Be it cast, fluid or equipment
The fluid as well as using energy to climb the rising side of the tire and being dragged down the leading edge of the tire. Is subject to random sloshing.
The slosh energy is always taken from either rotation or the linear travel in the direction of the tractor. However the sloshes rarely return energy in the direction that created them. The sloshes are dissipated against the sides of the tire (x axis), a vertical motion (Y axis) or in the (Z axis) in the opposite direction the tractor is traveling.
Then there the pumping action just above the tread contact surface. The sidewall widens and then pushes fluid out of the way in order to narrow again.
As for the slosh in the correct direction returning the energy that created it? Try dropping a rubber ball. It bounces back up but at a lower amplitude and lower with each bouce. The energy that initially raised that ball has been converted to heat by the ball and floor.

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