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| Re: Wheel Axels (343418) | |||
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Re: Wheel Axels |
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Posted by Fulton Frank on Sun Nov 26 09:39:13 2006, in response to Re: Wheel Axels, posted by Train Dude on Sun Nov 26 08:57:42 2006. Going around a sharp curve the outside wheel must rotate more rapidly than the inside one in order to not slip (friction). This cannot happen with a solid axel. Of course train designs over more than a century have tried to cope with this by using the tapered flange on the wheel. This works ok, but just ok. Going with a split axel would allow the inner and outer wheel on a curve to rotate at whatever rate they need. No screetching on a tight curve. Eg. South Ferry. |
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