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 - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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