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Unread 08-01-2003, 16:23
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Thoughts...King of the Hill

Hi Everyone,

I am curious, and not behalf on any one team, what people's analysis of the king of the hill strategy is. What does it gain you? Would you need to control the ramp the entire time? I'm curious what people think, if they have the time to comment on such a strategy. My own personal feelings it that it ties you to the ramp the entire match and severely limits offensive potnetial.

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Unread 08-01-2003, 16:42
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I'd agree with your assesment overall. A Hing of the Hill doesn't necessarly have to sit there for the entire match... I certainly wouldn't suggest buidling a bully-bot incapable of dealing with scoring situations and adapting. That being said, it could thwart a lot of opponents if you can really stay there for the entire match. Don't expect a ton of QPs, and be prepared for some serious stress if you do it.
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Unread 08-01-2003, 20:24
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My personal favorite is the King of the Hill strategy. However, it does have some obvious flaws, such as the fact that your opponents are trapped on your side and your allies are trapped on your opponents side, assuming you lack a gate mechanism.

I believe that it can be made to work, but the question is, is the trade off worth it? That remains to be seen, probably until the matches.

--Petey
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Unread 08-01-2003, 20:29
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I agree with you, but I also believe that the 25 points will motivate many teams to try for it - some may take the entire 2 minutes to do it, while others will play the field and then do the mad dash at the end technique. In my humble opinion - the match es will be decided in the first 15 seconds and the last 15 seconds. But - what do i know I haven't witnessed a single match yet.
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Unread 08-01-2003, 21:05
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the king of the hill part will get interesting. the polycarbonate ground has zero friction, so sliding will happen. The only way to stay up is to keep moving. Wither that or use suction cups and afixiate your bot to the floor. I have an basic out line if you would like it about the suction cup idea. i want to know what strats you guys have for surviving the chaos!
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Unread 08-01-2003, 21:26
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Quote:
Originally posted by DarkRedDragon
the polycarbonate ground has zero friction, so sliding will happen.
First nothing has zero friction, second diffrent hardness of rubber comes diffrent amounts of slippage, with the hard wheelchair wheels on the top of the HDPE they slide like mad, but with a softer rubber and alot of surface area, I belive that you could some how lift your bot on it and never be pushed around, ever. Thats the type of bot that is going to win king of the hill
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Unread 08-01-2003, 21:42
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There's more to it than friction...
(and I'm not talking about suction cups - they slide too easily)

-Joel
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Unread 08-01-2003, 21:44
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Quote:
Originally posted by Joel Glidden
There's more to it than friction...
(and I'm not talking about suction cups - they slide too easily)

-Joel
not nessacarily, when supported correctly, they take alot of effort to slide.
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Unread 08-01-2003, 22:45
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With large extensions, a robot could potentially block the whole ramp, not limited by the 36x30 starting size.
Also, although the traction on top will be bad, the traction on the ramp is bad as well, and may be worse, as there is much less surface area.
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Unread 08-01-2003, 23:05
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yes, bullying the ramp will be crucial, i mean, how do u win if u are not a "low rider"?


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Unread 08-01-2003, 23:08
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Suction Cups = bad

suction cups, if done properly, could almost garentee an immovable robot.

However, this stuff is very easy to scratch, and it WILL be scrateched and all it takes is one shallow scratch and your cups don't seal...muhahahahaha
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Unread 09-01-2003, 08:50
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Quote:
Originally posted by The wheelman
First nothing has zero friction, second diffrent hardness of rubber comes diffrent amounts of slippage, with the hard wheelchair wheels on the top of the HDPE they slide like mad, but with a softer rubber and alot of surface area, I belive that you could some how lift your bot on it and never be pushed around, ever. Thats the type of bot that is going to win king of the hill
Traction has about zero to do with surface area. This is even more true when on a completely flat and smooth surface. Remember, that traction is gained by friction. And, the formula for friction is F=uN where u is the frictional constant which is determined by the materials involved and N is the normal force. There's nothing in there about surface area. You do not need a lot of surface area to have good traction. In fact, it may actually be harmful (see one of the whitepapers about it).

Matt
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Unread 09-01-2003, 13:58
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uh oh i can smell the whole wheel width vs traction debate coming
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Unread 10-01-2003, 09:52
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Re: Suction Cups = bad

Quote:
Originally posted by Gope
suction cups, if done properly, could almost garentee an immovable robot.

However, this stuff is very easy to scratch, and it WILL be scrateched and all it takes is one shallow scratch and your cups don't seal...muhahahahaha
Yep, I just tested that about an hour ago.

Suction cups + *tiny* scratch on surface = no suction
Suction cups + tiny scratch + vacuum = barely any suction

Do as you will.

- Katie
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Unread 10-01-2003, 10:01
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The rules strictly state that there is NO use of any kind of vacume on the robot for any purpose. Also, you can't get a rubber that is too soft or otherwise it will get destroyed going up the mesh ramp.
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