Search found 17 matches

by hirasia
January 6th, 2012, 9:11 pm
Forum: 2012 Lab Events
Topic: Keep the Heat B/Thermodynamics C
Replies: 661
Views: 89508

Re: Keep the Heat B/Thermodynamics C

Regarding the use of "natural fibers" as one of the possible materials, would using 100% cotton yarn/string be counted as using natural fibers?

Also, does paper count as natural fibers?
by hirasia
January 1st, 2012, 7:20 pm
Forum: Mission Possible B
Topic: General Mission Possible
Replies: 326
Views: 41060

Re: General Mission Possible

To make a pulley with IMA>1, must you use a block and tackle pulley?

Just having unequal weights wouldn't make it an IMA greater than 1 right?

I"m questioning for my sister.
by hirasia
March 8th, 2011, 8:29 pm
Forum: 2011 Build Events
Topic: Storm the Castle B
Replies: 330
Views: 52377

Re: Storm the Castle B

Since there's only a week left until NJ States, and our trebuchet hasn't been worked on by the people who were supposed to (taken over by other building people) What do you suggest to do? Would it be legal to have a "seesaw" with a cup to hold the projectile screwed onto the arm currently, the sling...
by hirasia
January 11th, 2011, 8:19 pm
Forum: 2011 Lab Events
Topic: Optics B/C
Replies: 513
Views: 54828

Re: Optics B/C

for the division b laser shoot, is the mirror fixed, and only allowed to be pivoted, or can we put the mirror at a 90 degree angle where the laser and target meet? because the 2nd one seems rather easy... do you think a time of 25 secs. and 6 mm away is good? can someone help me understand faraday's...
by hirasia
December 16th, 2010, 1:35 pm
Forum: 2011 Lab Events
Topic: Optics B/C
Replies: 513
Views: 54828

Re: Optics B/C

For the LSS, why do you need a calc program?

especially for division b, all you have to do is place it at a 90 degree angle to the target and laser
by hirasia
November 24th, 2010, 6:57 pm
Forum: General Competition
Topic: Recommended Fundraiser Amount?
Replies: 18
Views: 2162

Re: Recommended Fundraiser Amount?

any ideas for fundraising besides bake sales? we did a bake sale last year, we only earned about 90 dollars :( And I'm not sure how much fundraising we need, we go to states, but we have never made it to nationals it's only our teams 3rd year and we usually place 8th in states there's one team from ...
by hirasia
November 24th, 2010, 6:50 pm
Forum: 2011 Lab Events
Topic: Shock Value B
Replies: 119
Views: 22391

Re: Shock Value B

Anyone know anything about how hard the test is, what they test us on? my partner and I are bad at this event. Different event coordinators/supervisors will give totally different tests. But there is a certain range of information they are allowed to test you on. It's in the rules. Do you have a co...
by hirasia
November 24th, 2010, 6:49 pm
Forum: 2011 Lab Events
Topic: Optics B/C
Replies: 513
Views: 54828

Re: Optics B/C

sorry ichaelm
by hirasia
November 23rd, 2010, 6:44 pm
Forum: 2011 Build Events
Topic: Battery Buggy B
Replies: 226
Views: 31154

Re: Battery Buggy B

any ideas on how to make it turn around an obstacle?
by hirasia
November 23rd, 2010, 6:27 pm
Forum: 2011 Lab Events
Topic: Optics B/C
Replies: 513
Views: 54828

Re: Optics B/C

will there be many stations to go to at the competition?

or mainly the written test, then LSS?

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