
29-04-2004, 15:01
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@JohnVNeun
AKA: John Vielkind-Neun
 FRC #0148 (Robowranglers)
Team Role: Engineer
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Join Date: May 2001
Rookie Year: 2000
Location: Greenville, Tx
Posts: 3,159
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Re: Torque curves
Quote:
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Originally Posted by Ian Mackenzie
Anyways, don't take my word for it - Joe Johnson posted a spreadsheet a couple of years ago which asks you for a few simple parameters (voltage, stall torque, stall current, free speed, free current) and comes up with plots of speed, torque, power, and efficiency. It also has a sheet of information on FIRST motors (although be careful; the Fisher-Price motor is certainly out of date, and others may be as well).
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My design calculator whitepaper has all of this stuff, including an updated version of Joe's paper, most of it has been updated for 2004.
John
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In the interest of full disclosure: I work for VEX Robotics a subsidiary of Innovation First International (IFI) Crown Supplier & Proud Supporter of FIRST
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