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  #31   Spotlight this post!  
Unread 27-07-2014, 10:40
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Re: pic: #NotSwerve

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Originally Posted by Andrew Lawrence View Post
Teams that gear for that speed use it in cases where you would want to cross the entire field extremely quickly in one straight shot (think 2011 or 2013). That being said, it's still something interesting to test. Most robots that run these speeds are on the lighter side (90-100 lbs), which helps them abuse the higher speeds with greater acceleration.
They do. However, in my experience, the risk of blowing the main breaker here is not worth it. It also necessitates a drive system such as split arcade for decent control.

We're considering going to ~16 calculated high and ~7-9 calculated low next year to avoid blowing the breaker.
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Unread 02-08-2014, 04:53
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Re: pic: #NotSwerve

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Originally Posted by Arpan View Post
They do. However, in my experience, the risk of blowing the main breaker here is not worth it. It also necessitates a drive system such as split arcade for decent control.

We're considering going to ~16 calculated high and ~7-9 calculated low next year to avoid blowing the breaker.
Main breaker blows can be easily avoided by implementing a "crash detection" current-sense code. Use a current sensor to check if it is a spike. If the current spikes for too long, you shift to low gear or put the CIMs in brake mode.
If you are using a shifter, I think going 18-20 fps is not all bad, as long as your driver can control it.
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