Posted by RedGreenGuy on July 02, 2018 at 19:57:29 from (170.52.14.156):
In Reply to: Re: The End Of An Era posted by gtractorfan on July 02, 2018 at 17:34:36:
If ball of rail shaped as designed actual area of wheel contact to rail is not much larger than a dime. The steamers did not flex on curves, thus a locomotive with 4 drive axles, when on curved track, had lead and rear drivers with less than maximum area in contact with the rail. therefore wheel spin happened much more easily on a curve. Sand was a help with traction, but when that failed the engineer had to reduce power to all drivers. Final result was train slows and stalls. Wheel slip on new computerized locomotives is corrected instantly and just to the slipping axle so balance of traction axles continue to pull. The truck or set of axles on each end of locomotives turns on curves as well as each axle within each truck is computer controlled to move keeping more of the wheel in contact with the rail. Creating unbelievable tractive effort.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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