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View Poll Results: Is your team building a modular bot, or thinking about it??
Yes 26 54.17%
No 22 45.83%
Voters: 48. You may not vote on this poll

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  #16   Spotlight this post!  
Unread 10-01-2003, 06:13
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Someone find me a FIRST team
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In past years we would have to weigh in with each modular system separately. Last year for example. 59 had two modular system and we would have to weigh in each time. Yet, maybe its different this year.
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  #17   Spotlight this post!  
Unread 10-01-2003, 08:33
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What they mean:

What FIRST means here is this (in my opinion, of course):

For example:

You can have a drive base that weighs 100 lbs.

Then, you can have these appendages:
1. a lift mechanism that weighs 29 lbs.
2. an arm that weighs 19 lbs.
3. a thrower than weighs 10 lbs.
4. a fence device that weighs 29 lbs.

So, when you go to weigh in and get inspected, you would configure your robot in EACH of the different ways that you plan on setting it up for competition play. You not only have to weigh at or under 130 lbs. for each configuration, but you also have to fit within the box for each configuration. All of your components don't have to total under 130 lbs... just each configuration.

We have done this before (2001)... and like BBFIRSTCHICK says, other teams have done this. Probably the best example of a team doing this was Wildstang in 2001, when they had a ramp, a hitch, and a 2 goal pusher. If they put all of these components on their robot at once, it probably would've weighed 180 lbs... but they played at or below 130 lbs. for each match.

Andy B.
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Unread 10-01-2003, 09:50
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Quote:
Originally posted by Suneet
I think you're reading that rule incorrectly Katie.
"At the time of robot inspection, you must present all mechanisms that you will use on the robot during the entire competition event... Only mechanisms that were present during the inspection may be added, removed or reconfigured between matches." Means that you must pass the inspection with everything that will ever be on your robot installed. This means that all of them combined must be under 130lbs. If you change the systems, you have to be re-inspected.

I suppose in theory you could design three or four different systems, with the robot being in weight limits if only one of them was on, but every time you swapped out the system, you would need to be re-inspected. Have any teams done this, I wonder?
Your wrong bucko,

she is right, if you have lets say...3 modular systems, you present all of your modular peices, and weigh them all with the robot, but not all of them at the same time, you wiegh them with the robot individually. and the modular parts cannot exceed 130 with the robot.


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  #19   Spotlight this post!  
Unread 10-01-2003, 13:09
Jnadke Jnadke is offline
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Quote:
Originally posted by Suneet
I think you're reading that rule incorrectly Katie.
"At the time of robot inspection, you must present all mechanisms that you will use on the robot during the entire competition event... Only mechanisms that were present during the inspection may be added, removed or reconfigured between matches." Means that you must pass the inspection with everything that will ever be on your robot installed. This means that all of them combined must be under 130lbs. If you change the systems, you have to be re-inspected.

I suppose in theory you could design three or four different systems, with the robot being in weight limits if only one of them was on, but every time you swapped out the system, you would need to be re-inspected. Have any teams done this, I wonder?

You're reading it the way you want to hear it, and not the way it says.

It doesn't say anything at all about all mechanisms being on the robot at time of inspection. They just have to be present. They mostly want this so they can inspect the modules for other things such as electrical and pneumatics stuff. I'm sure they'll probabaly make you put each module on so they can check weight and dimensions.


Modular robot is a good thing. Then you can change the purpose of your robot to fit the opposing alliance and your alliance.

I'm sure it would win you a few technical awards in doing so...




The real question is: Do all the modules have to cost less than $3500 combined or just the different combinations on the robot? I'd imagine they would have to be the entire combined cost because of the ability to make your robot do everything. It would be no different than having all the modules on at once.
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Last edited by Jnadke : 10-01-2003 at 13:13.
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Unread 10-01-2003, 13:29
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Talking goota loooove

gotta love heated message board posts
but i must say that you can have more than 130lb if interchangable.....that way you dont have any advantage on the playing field...correct ? so i dont know why it would be disallowed.......
its like saying you would haveto weigh the robot with both batteries on.....for example last year we were exactly at the weight limit...if they made us weigh with 2 batteries....which would be stupid....we would be over the limit...........
get my point ?



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Unread 11-01-2003, 02:34
Suneet Suneet is offline
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Official answer:
Quote:
Re: Weight of swapable subsystems Posted: Jan 10, 2003 8:02 AM

The total weight of the robot in the starting box at each match shall not exceed 130 pounds. You may build your robot so that it consists of a base unit with multiple subset operating mechanisms. The total weight of your base unit and all your subset mechanisms may exceed 130 pounds. You must present all subset mechanisms at weigh-in. At inspection, each base/subset combination will be weighed to confirm to the FIRST Technician that no combination will exceed 130 pounds. All subsets must be presented at inspection and must pass inspection. Remember, that the total cost of the base and all subset mechanisms cannot exceed the requirements of Robot Rule K3
Yeah, you were right Actually, I think this is great. If your robot truly is faster, better, cheaper (what we're going for this year), and you're done with two weeks left to practice, you might as well add a simple function to your robot in the time until ship date, even if your primary systems are already at weight, so you have the option of another strategy.

Last edited by Suneet : 11-01-2003 at 02:38.
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Unread 11-01-2003, 04:45
MacZealot MacZealot is offline
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I hope we do a modular bot this year.

See, the whole idea behind modular bots is that you can be more flexible when you're looking for an alliance or one is decided for you.

Let's say you see a great bulldozer-like bot, and you have a bulldozer thing but there's is better...

this way instead of using that, you can swap over to something else, and in essence, get a much better alliance.

Just remember all tools have to be pretty good
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