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Unread 16-12-2003, 23:26
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IrisLab IrisLab is offline
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Re: Shifting Gears

Wow. This thread has been great for me. The sensors and coding I can handle with our students, but I'm very worried about our drive system for our team.

If I have followed this thread correctly, experience suggests that wise goals for a drive are...

a) Top speed of 10-12 ft/s and
b) A pushing force of 150 lbs.

These goals are a good target for most of the prior years of FIRST competition relative to the max amps and motors in the FIRST kit. Did I read correctly?

Now, given the above, possible schemes for achieving these goals (again with the restrictions of amps and motors) is to...

A) Use a pair motor configuration (one on each side),
B) Use A) with a shifter,
C) Use mutliple pair motor configuration (more than one motor on each side), or
D) Use C) with a shifter.

After reading the thread, my comments are that A) does not lead to competitive capabilities but what is the easiest for a Rookie team to achieve. Some form of B) and C) are the suggested routes for a competitive robot but require significant but equal investiment in terms of design, fabrication, blood, sweat, and tears. Finally, D) offers no competitive advantage over B) or C) and only compounds the blood, sweat, and tears.

Using my active listening (reading) skills, I've wanted to echo this back to the thread to see if I've digested the thread properly and also to refocus the thread/debate to more of a tutorial/guidance/sage suggestions for Rookie teams.
 


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