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| Re: 50 years of R 32s (1310370) | |||
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Re: 50 years of R 32s |
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Posted by Train Dude on Mon Sep 1 18:14:39 2014, in response to Re: 50 years of R 32s, posted by Joe V on Mon Sep 1 17:54:06 2014. "Didn't the weight of the car affect that ? "Not really! Each car had, (what were called) "Rate Pots", potentiometers that controlled rates of acceleration and dynamic braking. They were supposed to be checked during a maintenance procedure known as "track test". Results were recorded on a multi-channel recorder. Regardless of the weight of the car, the rate pots were set so that every car accelerated and decelerated at the same rate. Small variations resulted in cars knocking or banging. |
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