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| Re: Wheel Axels (343473) | |||
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Re: Wheel Axels |
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Posted by Sand Box John on Sun Nov 26 12:16:59 2006, in response to Re: Wheel Axels, posted by Subterranean Railway on Sun Nov 26 11:24:28 2006. Couldn't this be accomplished by coupling a motor oriented perpendicular to the truck to a differential? After all, that's how rear-wheel drive works...I believe that rubber-wheeled trucks have separate axles for each wheel, since the friction coefficient between rubber and steel is much greater, and the wheels' taper is nonexistent. You also have the extra weight of the quill that encloses the two half’s of the axle and the differential. Two words “cost benefit”. As Dutchrailnut said, “. . . it would cost twice in maintenance of bearings . . .” add to that the higher up front cost to manufacture and assemble all the parts compared to the existing wheel sets. I thought of this more then 30 years ago, after analyzing it for a while I concluded that the benefit wasn’t worth the higher capitol and maintenance costs. John in the sand box of Maryland's eastern shore. |
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