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Re: 2017 Drive Train
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Otherwise, great work. My team is also doing 6wd DS WCD. So serviceable and utilitarian. |
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Please correct me if I have a misunderstanding of this. |
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Re: 2017 Drive Train
I know that thread has been open for awhile now, but I'll just throw in my two sense. Our team has officially decided to go with a custom-build mecanum drivetrain. I know most teams have decided by this point, but our reasoning was as follows:
1. Agility/maneuverability will be key for auto/gear placement 2. Defensive situations can be avoided by "running away" - it is harder to trap a mecanum robot 3. Possibility of a "ground-engage" mechanism for staying in one spot (perhaps for shooting) 4. Sacrifice torc for speed - i.e. with a mecanum drivetrain we have little reason for torc, so can therefore throw torc to the wind, and go for as much speed as possible in our drivetrain. I know some have said that mecanum is not the way to go this year, but we think there's plenty of use to be had there. |
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I'm not expecting to change your design; you made an engineering decision and you should follow through that. I just want to set the record straight for other teams who may be looking to this thread for ideas. My team, to my chagrin, has run mecanum drives 4 of the 5 years I was a member (not including this year). I was a driver for 2 of those 4 years. So I have a lot of experience with the benefits and drawbacks of mecanum drives. In general, I think there are very few cases (practically none) where a decent mecanum drive is better than a good WCD. Even in 2015, I still would have preferred that my team would have stuck with a WCD. |
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Better to ask than to assume. |
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Re: 2017 Drive Train
When people say "Tank Drive" I get all warm and fuzzy thinking back to my first FIRST experience.
FRC 971's 2004 Half Track ![]() COTS Snowblower tracks, mounted at an angle, with the previous year robot's spare wheels |
Re: 2017 Drive Train
Are the CIM bag motor (217-3351) and the vex mini CIM (217-3371) considered CIM motors as described in rule R32?
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https://frc-qa.firstinspires.org/manual/R32 |
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