Bottle Rocket B

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Bottle Rocket B

Postby robotman » August 22nd, 2015, 2:39 pm

Discussion for Bottle Rocket B.

Resources:
2011 Thread
2012 Thread
2015 Thread
Bottle Rocket Image Gallery

homesciencenerd
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Re: Bottle Rocket B

Postby homesciencenerd » September 15th, 2015, 2:22 pm

Any ideas how the egg should attach to the bottle rocket?
juanton out

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Re: Bottle Rocket B

Postby SPP SciO » September 15th, 2015, 4:24 pm

homesciencenerd wrote:Any ideas how the egg should attach to the bottle rocket?


Some kind of soft foam chamber maybe, either with a slit or some sort of plug that would keep the egg from falling out? This event would be way more fun if the egg had to be ejected with a little parachute ... Just imagine the drama of an egg speeding towards the ground, it's chute trying desperately to open in time! :o
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Re: Bottle Rocket B

Postby homesciencenerd » September 15th, 2015, 8:07 pm

That would be awesome but with the current rules it will be a bit more difficult for the egg not to break :shock: :o
juanton out

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Re: Bottle Rocket B

Postby eurasianroller » September 19th, 2015, 5:05 pm

Anyone know the winning time from last year?? I know this year with an egg the times will be different, but I just want to know.

Thanks

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Re: Bottle Rocket B

Postby Unome » September 19th, 2015, 6:21 pm

eurasianroller wrote:Anyone know the winning time from last year?? I know this year with an egg the times will be different, but I just want to know.

Thanks

Here (top six raw scores as posted by chalker last year after Nationals)
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Re: Bottle Rocket B

Postby eurasianroller » September 23rd, 2015, 5:19 pm

homesciencenerd wrote:Any ideas how the egg should attach to the bottle rocket?


In the nose cone. That is how I am doing it.

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Re: Bottle Rocket B

Postby eurasianroller » September 28th, 2015, 9:20 am

Anyone build a prototype yet?

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Re: Bottle Rocket B

Postby Daquan » October 1st, 2015, 4:10 pm

eurasianroller wrote:
homesciencenerd wrote:Any ideas how the egg should attach to the bottle rocket?


In the nose cone. That is how I am doing it.



I would think that it would be better to put the egg in the point where there is a center of gravity, but I have no ideas on how to put the egg in the rocket.

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Re: Bottle Rocket B

Postby Daquan » October 1st, 2015, 4:12 pm

I have a question. Are you allowed to modify the rocket during the competition?

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Re: Bottle Rocket B

Postby bernard » October 1st, 2015, 5:02 pm

Daquan wrote:I have a question. Are you allowed to modify the rocket during the competition?

I̶ ̶d̶o̶n̶'̶t̶ ̶s̶e̶e̶ ̶i̶t̶ ̶b̶e̶i̶n̶g̶ ̶p̶r̶o̶h̶i̶b̶i̶t̶e̶d̶ ̶i̶n̶ ̶t̶h̶e̶ ̶r̶u̶l̶e̶s̶.̶ ̶I̶f̶ ̶a̶n̶ ̶e̶v̶e̶n̶t̶ ̶s̶u̶p̶e̶r̶v̶i̶s̶o̶r̶ ̶a̶l̶l̶o̶w̶s̶ ̶i̶t̶,̶ ̶i̶t̶ ̶s̶h̶o̶u̶l̶d̶ ̶b̶e̶ ̶r̶e̶c̶h̶e̶c̶k̶e̶d̶ ̶f̶o̶r̶ ̶c̶o̶n̶s̶t̶r̶u̶c̶t̶i̶o̶n̶ ̶a̶n̶d̶ ̶s̶a̶f̶e̶t̶y̶ ̶r̶e̶q̶u̶i̶r̶e̶m̶e̶n̶t̶s̶.̶ ̶Y̶o̶u̶'̶r̶e̶ ̶a̶l̶l̶o̶w̶e̶d̶ ̶u̶p̶ ̶t̶o̶ ̶t̶w̶o̶ ̶r̶o̶c̶k̶e̶t̶s̶ ̶f̶o̶r̶ ̶t̶w̶o̶ ̶l̶a̶u̶n̶c̶h̶e̶s̶,̶ ̶s̶o̶ ̶m̶o̶d̶i̶f̶i̶c̶a̶t̶i̶o̶n̶ ̶i̶s̶n̶'̶t̶ ̶n̶e̶c̶e̶s̶s̶a̶r̶y̶ ̶i̶f̶ ̶y̶o̶u̶ ̶p̶l̶a̶n̶ ̶o̶n̶ ̶u̶s̶i̶n̶g̶ ̶d̶i̶f̶f̶e̶r̶e̶n̶t̶ ̶r̶o̶c̶k̶e̶t̶s̶ ̶f̶o̶r̶ ̶e̶a̶c̶h̶ ̶l̶a̶u̶n̶c̶h̶.̶

Disclaimer that this isn't the place for official clarifications. FAQs may be submitted to the national website, soinc.org.
Last edited by bernard on October 1st, 2015, 10:35 pm, edited 1 time in total.
Reason: See post below this.
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Re: Bottle Rocket B

Postby bernard » October 1st, 2015, 10:34 pm

bernard wrote:
Daquan wrote:I have a question. Are you allowed to modify the rocket during the competition?

I̶ ̶d̶o̶n̶'̶t̶ ̶s̶e̶e̶ ̶i̶t̶ ̶b̶e̶i̶n̶g̶ ̶p̶r̶o̶h̶i̶b̶i̶t̶e̶d̶ ̶i̶n̶ ̶t̶h̶e̶ ̶r̶u̶l̶e̶s̶.̶ ̶I̶f̶ ̶a̶n̶ ̶e̶v̶e̶n̶t̶ ̶s̶u̶p̶e̶r̶v̶i̶s̶o̶r̶ ̶a̶l̶l̶o̶w̶s̶ ̶i̶t̶,̶ ̶i̶t̶ ̶s̶h̶o̶u̶l̶d̶ ̶b̶e̶ ̶r̶e̶c̶h̶e̶c̶k̶e̶d̶ ̶f̶o̶r̶ ̶c̶o̶n̶s̶t̶r̶u̶c̶t̶i̶o̶n̶ ̶a̶n̶d̶ ̶s̶a̶f̶e̶t̶y̶ ̶r̶e̶q̶u̶i̶r̶e̶m̶e̶n̶t̶s̶.̶ ̶Y̶o̶u̶'̶r̶e̶ ̶a̶l̶l̶o̶w̶e̶d̶ ̶u̶p̶ ̶t̶o̶ ̶t̶w̶o̶ ̶r̶o̶c̶k̶e̶t̶s̶ ̶f̶o̶r̶ ̶t̶w̶o̶ ̶l̶a̶u̶n̶c̶h̶e̶s̶,̶ ̶s̶o̶ ̶m̶o̶d̶i̶f̶i̶c̶a̶t̶i̶o̶n̶ ̶i̶s̶n̶'̶t̶ ̶n̶e̶c̶e̶s̶s̶a̶r̶y̶ ̶i̶f̶ ̶y̶o̶u̶ ̶p̶l̶a̶n̶ ̶o̶n̶ ̶u̶s̶i̶n̶g̶ ̶d̶i̶f̶f̶e̶r̶e̶n̶t̶ ̶r̶o̶c̶k̶e̶t̶s̶ ̶f̶o̶r̶ ̶e̶a̶c̶h̶ ̶l̶a̶u̶n̶c̶h̶.̶

Disclaimer that this isn't the place for official clarifications. FAQs may be submitted to the national website, soinc.org.

EDIT: There isn't a point in modifying a rocket after launch, see rule 2: "only 1 launch per rocket." I think if you modify it after check-in but before a launch, it will have to be reinspected for compliance to construction parameters.

Double-posting because competitors who have already seen the previous reply might not see this edit.
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Re: Bottle Rocket B

Postby ladybug789 » October 2nd, 2015, 1:18 pm

What is the best length for the rocket and what's the best amount of water?

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Re: Bottle Rocket B

Postby Unome » October 2nd, 2015, 1:21 pm

ladybug789 wrote:What is the best length for the rocket and what's the best amount of water?

Most images in the image gallery show shorter rockets, but the pictures in Best of Nationals and elsewhere of high-performing rockets all seem to show longer rockets (not that I've ever taken this event, so my information probably has some errors).
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Re: Bottle Rocket B

Postby ladybug789 » October 7th, 2015, 12:18 pm

Unome wrote:
ladybug789 wrote:What is the best length for the rocket and what's the best amount of water?

Most images in the image gallery show shorter rockets, but the pictures in Best of Nationals and elsewhere of high-performing rockets all seem to show longer rockets (not that I've ever taken this event, so my information probably has some errors).

Okay. Thanks!


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