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Unread 09-01-2008, 16:48
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pic: FRC488 Running Laps

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Unread 09-01-2008, 16:49
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Re: pic: FRC488 Running Laps

Madison, that is the nicest looking robotics shop I have ever seen! I don't know where all the tools are but it sure looks nice!
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Unread 09-01-2008, 16:53
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Re: pic: FRC488 Running Laps

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Originally Posted by DeepWater View Post
Madison, that is the nicest looking robotics shop I have ever seen! I don't know where all the tools are but it sure looks nice!
This is the atrium of the building our shop is in

The shop is off to the left and pretty well-equipped for making things, but less so for running robots around in circles.
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Unread 09-01-2008, 17:05
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Re: pic: FRC488 Running Laps

I see a camera man and a boom operator to the left there. How's the documentary stuff going?
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Unread 09-01-2008, 17:33
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Talking Re: pic: FRC488 Running Laps

man i cant belive i missed that i really wanted to be there...stupid work o well see u thursday we are ready to pwn....
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Unread 09-01-2008, 17:36
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Re: pic: FRC488 Running Laps

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Originally Posted by ladkahaidesi View Post
man i cant belive i missed that i really wanted to be there...stupid work o well see u thursday we are ready to pwn....
This was the practice chassis, Amit. Most people didn't stick around long enough to see the competition robot run. We'll drive that one around more on Thursday.

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I see a camera man and a boom operator to the left there. How's the documentary stuff going?
It's, uh, going. I'm not a fan of reality television.
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Unread 09-01-2008, 17:40
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Re: pic: FRC488 Running Laps

have you gotten a rough number as to your lap time?
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Unread 09-01-2008, 17:50
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Re: pic: FRC488 Running Laps

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Originally Posted by hipsterjr View Post
have you gotten a rough number as to your lap time?
The best the kids were able to manage was sub-10 seconds, but the average was probably closer to 13-15 seconds. Things will slow down some as we add weight to the drive trains and more again when we get more robots out on the "field".
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Unread 09-01-2008, 17:59
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Re: pic: FRC488 Running Laps

Our of curiousity, are those numbers with a mecanum frame or a more typical six-wheel frame with a lowered middle wheel? If you tested both, what was the average difference between the two?
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Unread 09-01-2008, 18:01
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Re: pic: FRC488 Running Laps

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Originally Posted by sumadin View Post
Our of curiousity, are those numbers with a mecanum frame or a more typical six-wheel frame with a lowered middle wheel? If you tested both, what was the average difference between the two?
They were getting those numbers with both our practice and competition drive trains running default code. The competition chassis is a bit harder to handle, but faster for those who can tame it as a result. The practice chassis has too much traction in the turns and slows us down.
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Unread 09-01-2008, 18:05
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Re: pic: FRC488 Running Laps

Have you tried casters on the front or back?

We were thinking of using them, but starting may be a bit of a problem since they don't like to always start in the front....then again, there are the ones that do....

But, if you do try it out, it might be better for some control over turns. We're going to try that out sooner or later....

anyway, we'll be sending some e-mails to you guys in Seattle to update on gathering dates.
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Unread 09-01-2008, 21:28
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Re: pic: FRC488 Running Laps

What was the distance that the bot was run? That is, how long was the stretch you drove it on? We were thinking about making a "lapbot" (a robot that just drives for scoring the 2points for doing a lap and maybe some herding). Is that what you guys are going for?
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Unread 09-01-2008, 22:15
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Re: pic: FRC488 Running Laps

How fast could you get your bot traveling fps(feet/second) or mps(meters/second)


ok better question, what is maximum out put in newtons(or joules can't remeber which is correct) or pounds/square inch or the motor you were using, if i could have the seral number (or the motor(s)) that would be fantastic.
thnxs


p.s. asking if you don't feel like answering...
p.p.s. are you even answering
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Last edited by XXShadowXX : 09-01-2008 at 22:21. Reason: it was lame
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Unread 09-01-2008, 23:46
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Re: pic: FRC488 Running Laps

Quote:
Originally Posted by XXShadowXX View Post
How fast could you get your bot traveling fps(feet/second) or mps(meters/second)


ok better question, what is maximum out put in newtons(or joules can't remeber which is correct) or pounds/square inch or the motor you were using, if i could have the seral number (or the motor(s)) that would be fantastic.
thnxs


p.s. asking if you don't feel like answering...
p.p.s. are you even answering
The only motors we are allowed to use are listed in section 8 under <R59>.

the most powerful out of these, and thus most suited for drive train use, is the 2.5" cim. You can use up to four (4), and no more. A picture can be found in section 10, they where packed in the black tote.

a speed vs. torque graph can be found, along with a table, in G.5.2 DC Motors (Guidelines, Tips & Good Practices). Watts under normal load is 205, according to the table.
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Unread 10-01-2008, 18:24
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Re: pic: FRC488 Running Laps

Quote:
Originally Posted by XXShadowXX View Post
How fast could you get your bot traveling fps(feet/second) or mps(meters/second)


ok better question, what is maximum out put in newtons(or joules can't remeber which is correct) or pounds/square inch or the motor you were using, if i could have the seral number (or the motor(s)) that would be fantastic.
thnxs


p.s. asking if you don't feel like answering...
p.p.s. are you even answering
It's moving somewhere in the neighborhood of 12-14 ft/s right now, but it'll slow down as we put more weight onto it.
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