Go to Post And your other point, "why a debate over a nonexistent rule?". Its summer, we're not building robots, and we're geeks. What else are we supposed to do? - EHaskins [more]
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  #16   Spotlight this post!  
Unread 14-02-2010, 11:37
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Re: pic: 1024 Chassis with Biohazard Wheel

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Originally Posted by dodar View Post
pretty sure the GDC made that illegal
Rule or Q&A link?
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Unread 14-02-2010, 11:40
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Re: pic: 1024 Chassis with Biohazard Wheel

http://usfirst.org/uploadedFiles/Rob...Update%202.pdf

R19
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Unread 14-02-2010, 11:47
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Re: pic: 1024 Chassis with Biohazard Wheel

That rule only limits the intrusion of the ball to 3" inside a mechanism above the bumper zone.

A ramp has 0" of intrusion. You could also have a funnel of some sort with 3" tall sidewalls, that would be 3" of intrusion.
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Unread 14-02-2010, 11:49
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Re: pic: 1024 Chassis with Biohazard Wheel

Quote:
Originally Posted by Vikesrock View Post
That rule only limits the intrusion of the ball to 3" inside a mechanism above the bumper zone.

A ramp has 0" of intrusion. You could also have a funnel of some sort with 3" tall sidewalls, that would be 3" of intrusion.
I'm with Vikesrock on this one. As long as the ball bounces off without 'depressing' the deflecting mechanism/ramp 3", your golden.
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Unread 14-02-2010, 11:53
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Re: pic: 1024 Chassis with Biohazard Wheel

id have to disagree, id have to say that there is like walls around your robot at 3" and if at any point a ball comes in contact with your robot within those walls, then that should be the 3" rule penalty
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Unread 14-02-2010, 11:54
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Re: pic: 1024 Chassis with Biohazard Wheel

Quote:
Originally Posted by dodar View Post
pretty sure the GDC made that illegal
It's been clarified here already, it's perfectly legal. Also, if your "pretty sure" why don't you actually look it up before posting??
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Unread 14-02-2010, 11:55
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Re: pic: 1024 Chassis with Biohazard Wheel

pretty sure is a confident statement if i didnt know, i would have said i think
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Unread 14-02-2010, 11:57
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Re: pic: 1024 Chassis with Biohazard Wheel

Quote:
Originally Posted by Vikesrock View Post
That rule only limits the intrusion of the ball to 3" inside a mechanism above the bumper zone.
Here is <R19> in its entirety:
Quote:
<R19> ROBOTS must be designed so that in normal operation BALLS cannot extend more than 3 inches inside
a) the FRAME PERIMETER below the level of the BUMPER ZONE (see Figure 8-5),
b) a MECHANISM or feature designed or used to deflect BALLS in a controlled manner that is above the level of the BUMPER ZONE.
Indeed, Vikesrock's interpretation is what I get as well.
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Unread 14-02-2010, 12:03
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Re: pic: 1024 Chassis with Biohazard Wheel

ok, so then let me see if i am understanding you guys correctly, the 3" rule only applys to the mechanisms or the robot?
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Unread 14-02-2010, 13:27
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Re: pic: 1024 Chassis with Biohazard Wheel

Quote:
Originally Posted by dodar View Post
ok, so then let me see if i am understanding you guys correctly, the 3" rule only applys to the mechanisms or the robot?
Above the Bumper Zone, yes, that is correct. That part is covered by <R19-B>.

Below the Bumper Zone the ball may only intrude 3" inside the Frame Perimeter as detailed in <R19-A>.
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Unread 14-02-2010, 20:09
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Re: pic: 1024 Chassis with Biohazard Wheel

How about some details on those wheels? Are those the upgraded sheet wheels you guys were showing off in 2008?
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Unread 14-02-2010, 20:50
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Re: pic: 1024 Chassis with Biohazard Wheel

are you guys planning to have kickers on all sides or is that for ground clearance
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Unread 14-02-2010, 21:06
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Re: pic: 1024 Chassis with Biohazard Wheel

Quote:
Originally Posted by sdcantrell56 View Post
How about some details on those wheels? Are those the upgraded sheet wheels you guys were showing off in 2008?
I was wondered how long it would take someone to catch my title about the wheels.

Hopefully our students will be assembling some tomorrow and I can get a good picture of one. They are similar to the design that was created in 2008 but 8 inches and have a biohazard symbol as the lightening pattern.
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Unread 14-02-2010, 22:32
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Re: pic: 1024 Chassis with Biohazard Wheel

It looks like the structure could be used to right the position of the robot if it flips over when going over the bump
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Unread 15-02-2010, 08:46
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Re: pic: 1024 Chassis with Biohazard Wheel

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Last edited by Taylor : 15-02-2010 at 08:57. Reason: deleting post
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