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-   -   Top speed? (http://www.chiefdelphi.com/forums/showthread.php?t=60825)

dlavery 07-01-2008 16:32

Re: Top speed?
 
Quote:

Originally Posted by dtengineering (Post 670032)
By the way, I note Squirell's reference to NASCAR... but isn't this more like NASACAR?

...and that is exactly why I am referring to each lap around the track as an "orbit"

-dave

Chris Fultz 07-01-2008 16:41

Re: Top speed?
 
Quote:

Originally Posted by dtengineering
By the way, I note Squirell's reference to NASCAR... but isn't this more like NASACAR?
Quote:

Originally Posted by dlavery (Post 671409)
...and that is exactly why I am referring to each lap around the track as an "orbit" -dave

I thought the 2008 game theme (driving around the track) was to honor Indianapolis, home of the Indy 500, NASCAR 400 and the 2010 FIRST Championship.... ;)

artdutra04 07-01-2008 16:50

Re: Top speed?
 
We all know the only way to achieve the fastest possible lap time is to wear an white racing suit, and keep your identity secret.


gurellia53 07-01-2008 16:52

Re: Top speed?
 
Quote:

Originally Posted by Rupnick (Post 671265)
last year we had a 16fps robot and if anyone was at the Milwaukee regional they would have seen our programming error where we went full forward for 2 secs and for got to put the stop in. Needles to say it was devistating we hit the far wall at full speed and thewheels just kept moving. Head ref estoped us and that was the end of that. It truly was a sight to see.

Haha I remember that. :yikes: I think we were up next so was able to get a good view of it. And someone on our team brought up that incident on Saturday. Anyways...

with 6 robots on the field, If there are a few that are hurdlers and some who just try to race around the track, I expect to see a lot of congestion. Hopefully the hurdlers have a low enough center of gravity that if they are hit at high speed, they wont hit the overpass and tip over.

Elgin Clock 07-01-2008 17:01

Re: Top speed?
 
Quote:

Originally Posted by dlavery (Post 671409)
...and that is exactly why I am referring to each lap around the track as an "orbit"

-dave

Does that mean the Lane Divider has a hidden gravitational force pulling on us that we can use to our advantage as we try and slingshot around it?? ;)

Rick TYler 07-01-2008 17:32

Re: Top speed?
 
Think of the possibilities for raw speed (forgetting the track balls for a moment). Stagger! Differential tire pressures! Jacking! Suspension systems! For the first time, a team with a World of Outlaws car builder will have an advantage!

Do robots push, or do they get loose? Last year, I didn't miss FRC, but this year is going to be painful. What a cool game.

(Actually, since I might be a scorekeeper this year, I think the game really stinks. Video scoring anyone?)

Protronie 07-01-2008 17:36

Re: Top speed?
 
Quote:

Originally Posted by Tottanka (Post 669893)
Did anyone say drift control?

Quote:

Originally Posted by squirrel (Post 669901)
No, they said high speed....which is generally a different subject....

(unless you're on a dirt track)

Drifting robots... NOW THAT WOULD BE EXCITING! :cool:

flamefixed 07-01-2008 17:41

Re: Top speed?
 
i know this is pretty unrelated to this topic but, when coming up for new tshirt designs for this year, we decided to go with a rather known quote from a new comedy racing movie that has been out for a little while. We get to the kickoff, see the game, and WOOWWWWW!! haha.

JoshD 07-01-2008 17:43

Re: Top speed?
 
Quote:

Originally Posted by artdutra04 (Post 671437)
We all know the only way to achieve the fastest possible lap time is to wear an white racing suit, and keep your identity secret.

That would be awesome. But how are you gonna find a Stig for every team!

GBilletdeaux930 07-01-2008 17:55

Re: Top speed?
 
Quote:

Originally Posted by Rupnick (Post 671265)
last year we had a 16fps robot and if anyone was at the Milwaukee regional they would have seen our programming error where we went full forward for 2 secs and for got to put the stop in. Needles to say it was devistating we hit the far wall at full speed and thewheels just kept moving. Head ref estoped us and that was the end of that. It truly was a sight to see.

I think i remember that.... i seem to remember a bot driving across the field, heading straight at one of our alliance members bots...hit one of the supports on the side and spun into the wall right before it got there i think so it didnt hit the bot luckily lol

On another note...

now im not so good at the whole weight distribution thing but if you hand your center of gravity more to the left side of the bot wouldnt that help the bot turn sharper or quicker? I guess if there was too much weight to one side your bot wouldnt go very straight... but i dunno so yea

team877 07-01-2008 19:31

Re: Top speed?
 
haha i think after this competition is all said and done with we shall bring our robots out into the giant parking lots of these stadiums and have some good ole robot drag racing anyone with me?:D

qwertyuiop[]\ 08-01-2008 21:18

Re: Top speed?
 
Is anyone besides me seeing robodonuts?

Racer26 08-01-2008 21:55

Re: Top speed?
 
My comment with regards to top speed is that there is no standard for what people are reporting their speeds as.

Some people are reporting theoretical speeds calculated from gear ratios and motor speeds. Which motor speed? Free speed is certainly not correct, nor is calculating it at 40A

My team empirically measured our 2007 bots speed to be 6.6fps (by timing it over a distance), and we were among the faster (by no means fastest) robots at GTR, and the 2 offseason events we went to.

We've modified our gear ratios to be faster this year. But all these people claiming 16-20fps will either be EXTREMELY uncontrollable, or have some radical drive system that allows control at such speeds. I mean, 20fps will have you from one end of the field to the other in about 2s, and you dont have to go ALL the way to the end of the field. Turning would be extremely sensitive with the typical tank style drive at this speed.

tkgamer 08-01-2008 22:52

Re: Top speed?
 
I dont belive there is a top speed but just to be safe i would advise not going over 40.

Capt. Quirk 13-01-2008 00:53

Re: Top speed?
 
Quote:

Originally Posted by WaterFreak (Post 671159)

Go straight, turn left, turn left. Repeat endlessly!!!!!!!!! :D :D :D

Heaven :D


The rules say we can push against the cage structure, does that mean we can use it like a motocross berm and square off the corners or do we just have take our chances in the loose stuff on the outside :)


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