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| View Poll Results: What kind of chassis are you building? | |||
| Wide Chassis (longer side in front) |
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139 | 44.27% |
| Narrow Chassis (smaller side in front) |
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175 | 55.73% |
| Voters: 314. You may not vote on this poll | |||
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#46
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Re: Poll: Wide or Narrow Chassis?
I agree haha. Grabbing a ball in 11" (I believe thats what we calculated would be the space allotted for bringing in balls according to bumpers being 8" from either end or w.e) space on the narrow end just won't be enough. Using the wide side, you won't have to worry about that. You'll have plenty of space to grab a ball and bring it inside the bot without thinking about it in the heat of the game.
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#47
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Re: Poll: Wide or Narrow Chassis?
Quote:
Wider probably does equal larger angle of attack and thus more movement of the CG as it climbs the barrier. And thats the tradeoff. |
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#48
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Re: Poll: Wide or Narrow Chassis?
This is Essentially what I meant, just simply better put. Thanks for making it clearer.
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#49
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Re: Poll: Wide or Narrow Chassis?
Quote:
http://www.youtube.com/watch?v=bI_2UMEUbNw"]http://www.youtube.com/watch?v=bI_2UMEUbNw |
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#50
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Re: Poll: Wide or Narrow Chassis?
Quote:
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#51
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Re: Poll: Wide or Narrow Chassis?
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The most dangerous thing i see with wide orientation is the moment you drive up the bridge at it tips from one slant to the other as you cross. I worried the tipping of the bridge will give momentum to the robot to start to tip forward. |
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#52
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Re: Poll: Wide or Narrow Chassis?
I feel like that problem comes down to weight distribution and current momentum of the robot. If you are moving the robot at a negligible velocity, I feel like tipping wont be that bad.
We're probably going to play with one of our old wide bots on the bridge today and try to tip it. |
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#53
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Re: Poll: Wide or Narrow Chassis?
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However, in qualification matches, there are times that alliances will NOT be even. Then, you may need to repeatedly traverse back and forth across the bumper to get the balls that you are looking for. If your teammates are useless too, that only adds to what must be done. I wouldn't underestimate bump travel. Cheers! |
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#54
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Re: Poll: Wide or Narrow Chassis?
Alex.Q the 8" wheels from AM are only (by our measurement) 7.6 in. in diameter and fit 6 nicely in the wide config.
Tipping a wide bot??? Ya if you have a high CG it will probably get more tippy if that is what you mean. Make everything up top LIGHT and everything down low HEAVY. Make your bumpers the full 20 lbs and make them heavy at the BOTTOM and this should help the tippy issue. Bruce |
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#55
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Re: Poll: Wide or Narrow Chassis?
Quote:
[G21] Robots may extend one appendage up to 14 in. beyond a single edge of their frame perimeter at any time. Violation: Foul for exceeding size allotments; Technical-Foul for continuous or repeated violations. "These appendages are intended for use in manipulating Basketballs and/or Bridges. A Robot may have multiple extension devices onboard, but only one may be deployed at a given time." Last edited by Chris Fultz : 20-01-2012 at 22:15. Reason: Q+A proved me wrong |
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#56
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Re: Poll: Wide or Narrow Chassis?
Can I change my answer? We now decided on going wide-ways.
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#57
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Re: Poll: Wide or Narrow Chassis?
Quote:
Game - The Game » Robot Actions » G21 Q. Can appendages (one at a time) be used for purposes other than manipulating Basketballs and/or Bridges? FRC3005 2012-01-11 Follow A. Yes, as long as no other rules are violated. |
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#58
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Re: Poll: Wide or Narrow Chassis?
Our robot is going to be almost square, 27X30. We have our middle wheels lowered so we have a turning radius of zero.
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#59
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Re: Poll: Wide or Narrow Chassis?
If you use mechanem or other multi-directional drive systems you can always have your intake on the side while your main drive is still forward.
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