Bottle Rocket B

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fishman100
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Re: Bottle Rocket B

Postby fishman100 » December 4th, 2011, 8:25 am

Rocketeer wrote:I still have not figured out where the rules are posted on the soinc site. Am I just not clicking the right place? After the effect of the near force 6-7 winds on the launch last year, the 1 liter bottle sounds appealing. Does anyone know how to get the rules for this year and how to build or modify the launch pad? It sounds like the pressure will be 60.


http://store.soinc.org/p-13-2012-rules- ... ion-b.aspx
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Re: Bottle Rocket B

Postby mtheleman » December 5th, 2011, 12:47 pm

At a competition on Saturday, our teams were allowed to add air until they "thought" it was 60psi. There was not a visible pressure gauge available for them to see. What they didn't know was that the hose was hooked to a compressor inside the building and it was set to 60psi. Several of our teams stopped filling before they got to the maximum amount. The way I interpret the rules is that the rockets must be launched at 60 psi. This should not be a variable left to the competitors. Is this a correct interpretation?
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Re: Bottle Rocket B

Postby fishman100 » December 5th, 2011, 1:30 pm

mtheleman wrote:At a competition on Saturday, our teams were allowed to add air until they "thought" it was 60psi. There was not a visible pressure gauge available for them to see. What they didn't know was that the hose was hooked to a compressor inside the building and it was set to 60psi. Several of our teams stopped filling before they got to the maximum amount. The way I interpret the rules is that the rockets must be launched at 60 psi. This should not be a variable left to the competitors. Is this a correct interpretation?


Wow, IMO the event should have been disqualified! If the variables aren't the same for everyone then that is unfair.

And yes you are right; every rocket should be launched at 60 PSI.
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Re: Bottle Rocket B

Postby 44madfire » December 6th, 2011, 4:06 pm

Just a small question. Do you have to use a carbonated bottle?
:?:

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Re: Bottle Rocket B

Postby KKForever5 » December 6th, 2011, 5:31 pm

Yes, because the air pressure of a carbonated beverage doesn't break the bottle. If you used a regular 1 liter water bottle, than it most likely will break.
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Re: Bottle Rocket B

Postby 44madfire » December 6th, 2011, 6:38 pm

hm. because i was using smartwater bottles. While they didn't burst, I'm worried if they would be legal for the competition? (would they disqualify me?)

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Re: Bottle Rocket B

Postby KKForever5 » December 7th, 2011, 2:30 pm

44madfire wrote:hm. because i was using smartwater bottles. While they didn't burst, I'm worried if they would be legal for the competition? (would they disqualify me?)

That I don't know. Sorry.
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Re: Bottle Rocket B

Postby fishman100 » December 7th, 2011, 3:13 pm

44madfire wrote:hm. because i was using smartwater bottles. While they didn't burst, I'm worried if they would be legal for the competition? (would they disqualify me?)


If the bottle is 1 liter or less then it's legal.
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Re: Bottle Rocket B

Postby Lady Epidemic » December 7th, 2011, 5:12 pm

If the bottle is not a bottle for a carbonated liquid, you will be disqualified. The judges actually look for the "carbonated" on the label. If it's not pressurized, the judges will refuse to launch it, or if they launch it, it will be docked down to Tier 2 for a rules violation/safety violation. Sort of like if you don't wear goggles while launching, you'll be knocked down to Teir 2.
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Re: Bottle Rocket B

Postby fishman100 » December 7th, 2011, 5:15 pm

Lady Epidemic wrote:If the bottle is not a bottle for a carbonated liquid, you will be disqualified. The judges actually look for the "carbonated" on the label. If it's not pressurized, the judges will refuse to launch it, or if they launch it, it will be docked down to Tier 2 for a rules violation/safety violation. Sort of like if you don't wear goggles while launching, you'll be knocked down to Teir 2.

Is that a new rule this year? I think last year you could use any type of bottle just as long as you present the labels during inspection if they were detached from the bottle...
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Re: Bottle Rocket B

Postby Littleboy » December 7th, 2011, 5:43 pm

No it was the same then. It needed to come from a carbonated bottle and labels needed to be presented (although I never had to show my labels to anyone)

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Re: Bottle Rocket B

Postby fishman100 » December 7th, 2011, 6:19 pm

Oh really? My bad then.
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Re: Bottle Rocket B

Postby KKForever5 » December 7th, 2011, 7:12 pm

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Re: Bottle Rocket B

Postby Ben+Chris » December 13th, 2011, 12:42 pm

How much water should be used in 1 liter bottle rocket?

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Re: Bottle Rocket B

Postby Ben+Chris » December 13th, 2011, 12:42 pm

Do you need to keep a log of the lauches???? :?:


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