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by old
September 9th, 2010, 2:05 pm
Forum: 2011 Build Events
Topic: Sumo Bots C
Replies: 472
Views: 54219

Sumo bot batteries voltage?

The voltage limit this year is 14.4 volts (I got the rules yesterday) but I didn't see anything saying how they were going to determine that voltage. In previous years they have sometimes actually measured the total voltage of the batteries (but that can be very tricky since some battery packs use a...
by old
September 9th, 2010, 1:05 pm
Forum: Towers B/C
Topic: Efficiencies
Replies: 270
Views: 38835

Re: Efficiencies

It is going to take something over an efficiency of 45,000,000 this year to be in the top few at Nationals (that's carries all the weight, 15,000 grams, and a mass of 5 grams). In past years the top towers of very similar dimensions have carried all the weight and had a mass of under 5 grams. It is ...
by old
August 27th, 2010, 2:44 pm
Forum: Towers B/C
Topic: Efficiencies
Replies: 270
Views: 38835

Re: Efficiencies

I think we miss the point if we try to figure out real world connections to these building events. Tower building is the name of the event but it may as well have been called building a structure out of only wood and glue, that meet certain criteria listed in the rule book, that is rated based on a ...
by old
August 24th, 2010, 12:50 pm
Forum: 2011 Build Events
Topic: Sumo Bots C
Replies: 472
Views: 54219

Re: Sumo Bots C

Anyone have any idea about whether 2.4 Ghz spread spectrum radios will be allowed? In the past our team has had terrible trouble with getting jammed (accidentally or purposefully? I don't know) so we would really like to go with 2.4Ghz since this is essentially impossible to jam. I was looking over ...
by old
May 30th, 2010, 10:33 pm
Forum: 2010 Build Events
Topic: Elevated Bridge B/C
Replies: 1238
Views: 99021

Re: Elevated Bridge B/C

Personally I have long ago given up trying to figure the rationale for how Science Olympiad events are designed or scored. I don't mean this in a negative way, just that the rules seem to be clearly arbitrary, that's just the way it is. Take the elevated bridge rules for this season. What real world...
by old
May 30th, 2010, 9:33 pm
Forum: Mission Possible C
Topic: Predictions
Replies: 8
Views: 4069

Re: Perdictions

First of all, if you aren't one of the Beverly Hillbillies it is predicted not perdicted (just messing with you, I am sure it was a typo) second I predicted that there would be numerous devices with perfect scores and the place would be determined by stopwatch timing. Does anyone actually know how m...
by old
May 14th, 2010, 2:28 pm
Forum: Mission Possible C
Topic: Accuracy
Replies: 3
Views: 2102

Re: Accuracy

Very few teams are able to complete all tasks and the 40 second mass movement and still raise the flag at the exact specified time. Don't sweat it, just do your best and have fun at Nationals.
by old
May 12th, 2010, 10:40 am
Forum: Mission Possible C
Topic: General Questions
Replies: 183
Views: 27495

Re: General Questions

At our State competition 4 teams got the maximum possible points (all tasks compteted, 40 seconds of mass moving and perfect timing) so it went to tie breaker. Since the first tiebreaker is fewest penalty points, and none of these teams got any penalty points, the tiebreaker became closest to ideal...
by old
May 12th, 2010, 10:31 am
Forum: 2010 Build Events
Topic: Elevated Bridge B/C
Replies: 1238
Views: 99021

Re: Elevated Bridge B/C

I find it more useful to think in terms of equal weight for the same length of stick, rather than the same density, since that's what matters more in terms of finding an efficient design - finding the lightest and strongest possible pieces to go in the places and connect the distances you want. Con...
by old
May 1st, 2010, 5:21 pm
Forum: Mission Possible C
Topic: General Questions
Replies: 183
Views: 27495

Re: General Questions

Regarding timing accuracy using stopwatches you say that as an example, "I timed them at 59.55 seconds, and my backup had 59.70." That looks like an error of 0.15 seconds, and there is no way to know if either time was correct or if they were both long, both short or bracketing the actuall time. Bas...

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