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Posted by D Sherman [72.47.153.24] on Thursday, February 09, 2012 at 12:38:02 :
In Reply to: Re: sorry Mike wrong term posted by mike stone [71.39.211.42] on Wednesday, February 08, 2012 at 19:25:31 :
"More energy to get the assembly moving" means "Twice the energy available for twisting an axle shaft off when you're bouncing over rocks with the throttle open."
Or to put it in engineering terms, "More angular momentum corresponds to greater angular torque, potentially exceeding the yield strength of the shaft material during sudden changes in angular velocity."
"More unsprung mass" equals "You hit the bumps harder." I'm not a big fan of putting on dualies just for looks. Even for "flotation" it doesn't really help unless you're carrying heavy loads. If you try to use a 6x6 a dune buggy or mud bogging with no load, you've got more weight on the front tires than the rears anyway, so what good does it do to keep the rear end up if the front end bogs down?
The strangest tire arrangement I've seen was an FFPW with the left front wheel on normally and the right one on inside out. I can see maybe turning them all inside out for stability on steep hillsides, but just one? It also had a gas tank strapped to the top of the cab and a gin pole on the front.
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