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cypressfalls Robert wrote:

starpug wrote:

cypressfalls Robert wrote:with our design we put, 535 ml and 800ml of water and it went up to about 150 feet

The question is how did you keep the nose cone from fusing onto the bottle when that happened

we have stoppers, i'll post a pic, the bottom half shoots up and when it is out of juice the top keeps going forward and at the top it all seperates, it has gotten3 to 4 minutes consistantly.

here's a rough paint sketch:this is without fins on the drawing, not on the real thing!

How seriously do they take the pointed nosecone rule? I don't think my pointed nosecone is sharp enough to hurt anyone, but I don't want to get dq'ed either.

At my state they made people cut off the tip, but i don't know how strict they are at nationals because i've never been

Cheerwine wrote:How seriously do they take the pointed nosecone rule? I don't think my pointed nosecone is sharp enough to hurt anyone, but I don't want to get dq'ed either.

Read the clarifications on the nationals site, I would put a ping pong ball on it just to be safe

at the IL state competition, i had a rolled nosecone made from plastic, and it was pointed, though not extremely so, but the directors did not say anything about it. As long as you avoid metal tips, i don't think there will be an issue.

Hi, I was just wondering what times people were getting this year for rockets? I seem to be getting only around 30-40 seconds average.

random_man wrote:Hi, I was just wondering what times people were getting this year for rockets? I seem to be getting only around 30-40 seconds average.

That's about where I am

My highest was 35, but most were in the 20s.

My schools regional time was 42seconds without the bonus [cold and rainy day too]. Then weather was very favorable for a select group of teams got some really good currents going at State. My school got 8th at State with a time of 2 minutes of flight time and went 1/4 of a mile away from launch zone the winner went much farther than that even, for Nat's depending on the weather I bet you can bet to see some multi minute times because of favorable air/wind conditions

At our state the best time was 5 minutes, so I predict the best at nationals should be between 3 to 5 minutes