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We can't seem to get above 10 seconds and I am wondering if anyone has any ideas. Yes, I have read this thread, last year's thread, the wiki, and Googled for hours.

We are using a 1 L bottle and about 425 mL of water.
Our nose cone is a long plastic tube, about 5 ft long and 1.5 in diameter.
Our ...

How are you doing the calculations. I have tried to download one and put in the numbers and it didn't work. I am using a cone shaped rocket. Do you need to figure in the shaping at the end near the nozzle. Can any one recommend a good simulation site? Any help would be appreciated.

just go for an ...

Hey guys do you know any general times that people are consistantly getting? States for New York is less than 12 school days away and I want to know about how bad I would fail if I took my current rockets to states :D

we have been getting between 15-20 seconds several times 25 or even 30 seconds ...

JKrafsur wrote:Shriek!! 1L bottles, guess the times will plummet this year, and im gonna have to cut the weight balance system in half. Still no parachutes?

notnecessarily. Times could go higher due to less mass, it could be effected by thermals or backslide better. The hight MAY drop, but not gauranteed.

What were the fastest maglev times anyone saw?
One pulled 250g in 1 second at Eastern LI regionals

last year our teams maglev was pulling that in under 3/4 of a second, however we broke our fan blades on the side of the track and had to switch to a very weak backup fan a week prior to regionals ...

were might I find the rules?