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Re: pic: One Tough Train
I'm not sure how or why you broke your chains but we ran a 6 motor 2 speed with #25 13T sprockets without a problem. While you are correct in saying you can easily exceed the working load, the breaking point is over 1000lbs. Also, it is not about the force the motors produce, it is about the force the wheels can hold on the floor. But yes, larger is safer.
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Teacher/Engineer/Machinist - Team 696 Circuit Breakers, 2011 - Present
Mentor/Engineer/Machinist, Team 968 RAWC, 2007-2010
Technical Mentor, Team 696 Circuit Breakers, 2005-2007
Student Mechanical Leader and Driver, Team 696 Circuit Breakers, 2002-2004
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