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| Re: Wheel Axels (343834) | |||
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Re: Wheel Axels |
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Posted by Train Dude on Sun Nov 26 22:56:28 2006, in response to Re: Wheel Axels, posted by Subterranean Railway on Sun Nov 26 21:56:36 2006. First of all, I was not offended other than your dismissal of my point with your comment of try driving a rear wheel car. I've driven many rear wheel drive cars in my day. There is no comparrison.First of all, rubber tires are flat whereas rail wheels are tapered. The taper is deliberate to take into account just the problems that you suggest exists. Second, the solid axle adds structural integrity to the truck frame. If the lateral stresses of independently mounted wheels were factored in, the truck frame would need to be made heavier and stronger to account for the stressed that the current axle/wheel assembly endure. Third, having a solid axle aids in control and reduces maintenance. Since wheels are pressed onto the axle at about 105 tons of force, it's unlikely that they will rotate independently of one another. In other words, if one wheel is turning, it's opposite wheel is turning. This will reduce the frequency of flats or grooved treads due to locked wheels. In addition, where we now need 4 slip-slide units per car, your idea would mandate 8. |
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