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by ChrisYim
February 10th, 2013, 8:23 am
Forum: 2013 Lab Events
Topic: Keep the Heat B/Thermodynamics C
Replies: 494
Views: 50632

Re: Keep the Heat B/Thermodynamics C

Hey guys. I just wanted to clarify my interpretation of the rules.
We attach an insulator directly on top of the beaker as long as there's a 1.5 cm hole in the center, right?
by ChrisYim
March 3rd, 2012, 4:37 pm
Forum: 2012 Build Events
Topic: Gravity Vehicle C
Replies: 805
Views: 69730

Re: Gravity Vehicle C

can everyone post their scores? our total score for regionals was 220, and we got 3rd place.
by ChrisYim
December 5th, 2011, 2:55 pm
Forum: 2012 Build Events
Topic: Gravity Vehicle C
Replies: 805
Views: 69730

Re: Gravity Vehicle C

Can someone post some scores that one would consider "good" for this event? It doesn't have to be your real one, but I'm just wondering what to at least aim for...
by ChrisYim
November 26th, 2011, 11:22 am
Forum: 2012 Build Events
Topic: Gravity Vehicle C
Replies: 805
Views: 69730

Re: Gravity Vehicle C

i have a very general question.... concerning the wheels and minimizing friction, are we allowed to put lubricant on the wheels and/or ramp? Technically, yes you are. I would put some lube on the wheels, but I'm not sure why you would like to put it on the ramp. Also, why put them on the wheels? Th...
by ChrisYim
November 25th, 2011, 11:23 am
Forum: 2012 Build Events
Topic: Gravity Vehicle C
Replies: 805
Views: 69730

Re: Gravity Vehicle C

has anyone tried using two wingnuts on both axles in order to make the vehicle stop better?
(personally i think it will just slow it down and add more weight)
by ChrisYim
April 19th, 2011, 3:50 pm
Forum: 2011 Invitationals, Regionals, and States
Topic: Illinois 2011
Replies: 871
Views: 41882

Re: Illinois 2011

yeah? well guys, im from Champaign Central High School!!!!
by ChrisYim
April 19th, 2011, 3:47 pm
Forum: Posting Games
Topic: The Rhyming Word Game
Replies: 204
Views: 11174

Re: The Rhyming Word Game

thinkin' that this is stupid
by ChrisYim
April 19th, 2011, 3:45 pm
Forum: General Chat
Topic: Anyone Korean? PLEASE
Replies: 325
Views: 11161

Re: Anyone Korean? PLEASE

YEAH!! i'm KOREAN!!!!! :P
by ChrisYim
April 19th, 2011, 3:42 pm
Forum: 2011 Build Events
Topic: Mousetrap Vehicle C
Replies: 441
Views: 43349

Re: Mousetrap Vehicle C

what was the braking system? I'm just curious as to how it could have been a violation... so it was a simple anchor-like design. as the mousetrap bar goes down, the hammer/anchor goes down and stops the vehicle... but i feel so stupid, i dont see how i missed the rule stating "no part of mtv m...
by ChrisYim
April 18th, 2011, 5:37 pm
Forum: 2011 Lab Events
Topic: Wind Power C
Replies: 323
Views: 39940

Re: Wind Power C

ok guys... dont be stupid like i was at state....i forgot to impound and got put in tier 3 (and the test was so easy too!)
by ChrisYim
April 18th, 2011, 5:35 pm
Forum: 2011 Study Events
Topic: Astronomy C
Replies: 153
Views: 20395

Re: Astronomy C

noooo!!!!!!! i thought we did really good but we only got 11th place..... :?
by ChrisYim
April 18th, 2011, 5:30 pm
Forum: 2011 Build Events
Topic: Mousetrap Vehicle C
Replies: 441
Views: 43349

Re: Mousetrap Vehicle C

hey guys, i just failed at life.....
i would've gotten a score of -20.11, my brake design turned out to be a construction violation......so i got put in tier 3 :(
(but luckily, i was able to rip off my brake on the second run, so i got a score of 20......)
by ChrisYim
March 29th, 2011, 4:52 pm
Forum: 2011 Build Events
Topic: Mousetrap Vehicle C
Replies: 441
Views: 43349

Re: Mousetrap Vehicle C

hey guys, I'm wondering what a good score to get is at state (our school moved to a higher division)
could you post your scores so we can all compare? my regional score was -19.88
by ChrisYim
January 24th, 2011, 1:45 pm
Forum: 2011 Study Events
Topic: Astronomy C
Replies: 153
Views: 20395

Re: Astronomy C

is everyone just gathering information and waiting until the day of the competition? or is there any sort of way to practice (besides using soinc.org links)?
by ChrisYim
November 16th, 2010, 3:26 pm
Forum: 2011 Lab Events
Topic: Wind Power C
Replies: 323
Views: 39940

Re: Wind Power C

Ummm....a few problems that im having with the setup. 1. Can we use a voltmeter for this? Because the voltmeter has two fat needles, not two wires. 2. The wires coming from the motor for some reason snapped as i tried to attach the resistors to them...what can i doo??? 3. At first glance, the cd hol...

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