Bottle Rocket B

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Re: Bottle Rocket B

Post by quizbowl »

honest question: what is a backslider, and how does it work?
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Re: Bottle Rocket B

Post by robotman »

A backslider is a type of rocket where you balance the weight of the top and bottom so that it will be launched go up and "slide" back down on its side
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Re: Bottle Rocket B

Post by fleet130 »

quizbowl13 wrote:what is a backslider, and how does it work?
See Robert Youen's bottle rocket page. He's not updating it anymore and some of the links are broken, but it still has some good info.
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Re: Bottle Rocket B

Post by scifipi »

For my school, this is our first year of bottle rockets and I get confused easily. I know I should do my research, but is there a basic summary of the event? I would be grateful for help.
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Re: Bottle Rocket B

Post by Littleboy »

Read the wiki. It is great help for beginners
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Re: Bottle Rocket B

Post by fleet130 »

While browsing the internet today, I came across, what seems to be a fairly comprehensive water rocker website: Air Command Water Rockets. I only spent about 10 minutes checking it out, but it seems pretty good at first glance.
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Re: Bottle Rocket B

Post by asianboii »

I have 2 questions: Can you use a backslider? What would be a good height and width for the rocket?
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Re: Bottle Rocket B

Post by Littleboy »

Yes you can use a backslider It does not deploy You will have to experipent with height and width. All designs need different sizes
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Re: Bottle Rocket B

Post by Bacteriophage »

hey guys, im doing BR for the first time and was just wondering, where did ya guys get your launch pads? are the launch pads @ the competition PROFFESIONAL air compressors or just a bricolage of homemade junk :lol: ? what do u reccomend we use to test it?
and what if the rocket falls onto a tree? does r time stop there?
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Re: Bottle Rocket B

Post by AlphaTauri »

Quality of the launchers will likely vary from competition to competition (most places will probably reuse last year's Egg-o-naut launchers). Still, launchers at comp should work decently well, considering I was able to build one (based off of this design) with about $50 worth of stuff and a couple hours.

As for your second question, the rules say and I quote, "Timing begins when the rocket separates from the launcher and stops when any part of the rocket touches the ground, goes out of sight [probably added because of Solon's amazing 10-minute flight at Nats last year], or comes to rest on an obstruction (e.g., a tree or building)." So yes.
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