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-   -   14" Bar Stragtegies? (http://www.chiefdelphi.com/forums/showthread.php?t=16025)

Quentinfool 16-01-2003 11:13

for teams that cant build a box lifter , they are left with using limbo as their only advantage. if you didnt have a lifter it would be silly not to be able to limbo. it is useful early in the game or late in the game if the bridge is blocked off.

Todd Derbyshire 16-01-2003 11:37

All of your bins belong to us!

Jferrante 16-01-2003 12:06

Quote:

Originally posted by M. Krass
I'm confused by all of this talk of robots needing to be less than 14" tall in some orientation to go across that mid-field barrier.

It's nonsense.

Your partially right. The robot doesn't NEED to be less than 14" to get across the field. Thats why theres the ramp. If your robot can make it up the incline and theres no other bot sitting at the top to stop you you can go back and forth all day. However if there is another bot at the top that you cant get past your only other way across the field is under or over the bars on each side of the ramp. In order to go under them it would require you to be 14" tall or less.

ChrisH 16-01-2003 12:39

Mr Krass is quite right. There are two other ways to get to the other side of the bar. One is to go through it, which would probably get you DQed. (I don't think the light or battery will fit through the gap between the bars ;) )The other is to go over it.

Two years ago one of the Long Island teams had a robot that did this. Sorry, I don't remember which one. It was fun to watch though.

Doug 16-01-2003 20:54

Quote:

Originally posted by Todd Derbyshire
All of your bins belong to us!
It is all of your bins ARE belong to us, sigh. and yes the t-shirts are being made.

John_Maniacs 17-01-2003 00:17

actually, (referring to the 72" reach) our robot 2 years ago, it was under 12 inches (the base of the robot) and had a reach of 9 ft+. We're thinking of kind of resurrecting that whole idea.

Also, in reference to the "advantages" of the 14" bar, the idea of hitting reverse and throwing the autonomous bot off course, is a good idea. It's definately doable, HOWEVER, if you have two bots that go backwards at each other, that will pose a conflict, a useless autonomous run.

Just food for thought, until next time,

John

Quentinfool 17-01-2003 11:10

a waste of an automonous period is pretty costly. and fitting under the bar is quite possible it just could make other mechanisms more complex.

Jay5780 17-01-2003 12:26

Under bar strategy...

Why would you go under the bar?

At the start of the match the bot could drive a distance under the bar at the right speed and push the other teams bot off course (if they are using the line for tracking). And then turn to get the other bot aloowing your teamates to knoock all crate to your side.

Also you wouldn't have to worry about getting over the slippery ramp towards the end to knock over stacks.

Remember crates are too tall to go under the bar.

MRL180YTL2002 17-01-2003 17:19

Not if you fly off the ramp (catch air).......its 14 degree ramp....just like the ski jumps on Royal Navy Aircraft carriers for their Harrier jump jets.

Madison 17-01-2003 17:37

Quote:

Originally posted by MRL180YTL2002
Not if you fly off the ramp (catch air).......its 14 degree ramp....just like the ski jumps on Royal Navy Aircraft carriers for their Harrier jump jets.
Now, I haven't done the math to back this up, but -

I think we can safely assume that AV-8 puts out a bit more thrust than we're capable of achieving ;)

That's just a hunch.

MRL180YTL2002 17-01-2003 20:03

Um, first the Brits use Harrier Gr. 7's (equvalent to the USMC AV-8B Harrier Plus) and Sea Harrier mark IIs. But the point is, if your robot goes fast enough, you may catch air going over the ramp.

Adam Y. 17-01-2003 20:48

Quote:

Not if you fly off the ramp (catch air).......its 14 degree ramp....just like the ski jumps on Royal Navy Aircraft carriers for their Harrier jump jets
Hehehe I thought about this before but what is most likely going to happen is that a robot will pop a wheelie going up the ramp fast enough. Anyway this year our robot is small. Really really really small.:p

Cory 17-01-2003 21:05

Quote:

Originally posted by ChrisH
Mr Krass is quite right. There are two other ways to get to the other side of the bar. One is to go through it, which would probably get you DQed. (I don't think the light or battery will fit through the gap between the bars ;) )The other is to go over it.

Two years ago one of the Long Island teams had a robot that did this. Sorry, I don't remember which one. It was fun to watch though.

would this be 25? I know they are not a LI team, but they did go over the bar in 2001. I liked it too.

Cory

MRL180YTL2002 17-01-2003 21:22

Quote:

Originally posted by wysiswyg
but what is most likely going to happen is that a robot will pop a wheelie going up the ramp fast enough.
Actually, last year going 12 feet per second into a ball we caught air. If you're going fast enough, the robot will fly. But most likely is flipping onto its back or ending up on a/the bin(s) and unable to extricate oneself.

Quentinfool 17-01-2003 21:51

THIS GAME IS GONNA BE LOUD AND THAT IS AWESOME. I mean comeon robots getting air crashing through that wall of crates? this is gonna rock!


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