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jerking/pulsing

I am having issues with jerking in forward and reverse. This only happens if you fully open the acceleration. If you start out slow and work your way gradually to full speed then it does not happen. Or after getting to a certain speed the jerking stops. I have been throwing parts at it off an old scrap 3020-30 truck that I have and had no luck. I have changed the POT, REC 3 & 4, TRANSISTOR, TRACTION CONTROL CARD, and CAPACITORS, but still have the same issue.

Any advice on where to go next?
  • Posted 16 Mar 2022 02:35
  • By Busch
  • joined 30 Jul'18 - 55 messages
  • United States
Never assume, assumptions are the mother of all ****ups. -Busch-
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In March 2002, identical twins in Finland died on the same day in similar accidents within hours of each other. A 70-year-old man was killed by a truck while cycling; hours later, his twin brother was killed by a truck on the same road, about a mile away, before the family had been informed of the first accident.
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Fact of the week
In March 2002, identical twins in Finland died on the same day in similar accidents within hours of each other. A 70-year-old man was killed by a truck while cycling; hours later, his twin brother was killed by a truck on the same road, about a mile away, before the family had been informed of the first accident.