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So coming OUT of an enclosed space is fine? Thanks

yeah... anyone know how to do that without electricity?

Well it's pretty clear that this year the rules makers didn't want a repeat of a bunch of Mission Possible devices separated by tenths of points in score. By putting in a mechanical (sand) timer they have made it much less likely that many teams will finish very close in score. Of course the balloo...

tmanneo wrote:Yep, haha. They kept aqueous solutions and added redox.

I'm gonna have to brush up on my redox labs. Didn't do too many in AP Chem last year because we were rushing towards the end.

sounds like fun

blazer wrote:Does anybody have any ideas of how to do this? It seems like the hardest task.

Agreed... Im not sure if I actually want to try to incorporate this, swapping it for the pulley seems so much easier, but... 30 points is a lot.

Flavorflav wrote:Baking soda and vinegar has been done to death. I wish they would have allowed Mentos and Coke, just for some variety. I suspect it wouldn't travel as well, though.

haha... I can see the burst open coke bottles already...

Hmm... this task might be a bit harder than I thought... thanks I was going to use it to cut a string at the end to allow the balloon to rise :lol: I'd personally skip it entirely--since you can only do eight tasks, why bother with the twenty point ones, especially if they give you trouble? :P :lol...

Hmm... this task might be a bit harder than I thought... thanks
I was going to use it to cut a string at the end to allow the balloon to rise

That's what I thought. Thanks for your help

Ubermensch wrote:While re-reading the rules to Sumo Bots, I realized that there is actually a rule specifically against stalling tactics such as the one mentioned.

Yeah, I originally planned to make a really small really maneuverable bot to just run circles around my opponents.