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PVC Pipe Model Rockets?

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PVC Pipe Model Rockets?

Unread postAuthor: spudkilla224 » Sat Mar 13, 2010 11:17 am

Hello everyone, I read the rules forum and i'm not 100% sure if a model rocket would be considered a incendiary projectile, because I don't plan on it being one. So if this thread needs to be deleted, im sorry for the misunderstanding.

But my idea was using 1" SCH. 40 PVC as a model rocket tube, using a KNO3/Sugar rocket engine.

Would a 15" tall 1" diameter pvc pipe be to heavy to be used as a model rocket tube? if i just used a sugar rocket engine in it?

Thanks For Any Help.
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Unread postAuthor: kjjohn » Sat Mar 13, 2010 11:53 am

I think that a potassium nitrate and sugar rocket would violate the rules, first of all, because it is a solid fuel, and second of all, because it would be considered an incendiary projectile. "Incendiary" refers to a projectile which can produce flame, and a model rocket engine, no matter how small, does produce flame.
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Unread postAuthor: Dgealy » Sat Mar 13, 2010 2:09 pm

Even if it were against the rules, I would be wary with any kind of major heat energy, or burning propellant near PVC, because when burnt it releases one of the worst carcinogens known to man.
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Unread postAuthor: jrrdw » Sat Mar 13, 2010 3:30 pm

Some times this can be confusing, highlighed in red is what prohibits what you want to do.

Discussion of solid propellants, explosive devices or incendiary projectiles fired specifically from a spud cannon is prohibited, and may result in a permanent banning of your account.For the purpose of this forum, these definitions will be used:
Solid propellant: Any substance containing all the chemical elements required to enable sustained combustion without the presence of additional oxidizers. This includes but is not limited to gunpowder, thermite, and many commercial and/or homemade pyrotechnic compounds.
For this purpose, nitroglycerine, though liquid, would qualify.
For this purpose, ordinary flour, though solid, would not qualify.
Explosive device: Any device that has the capability to release large amounts of stored energy rapidly.
Discussion of fireworks as projectiles is prohibited.
Discussion of "soda bottle bombs" or any other similar devices that may cause shrapnel as a result of uncontrolled rupture is prohibited.
Incendiary projectile: Any projectile that is capable of producing flame.
Rocket propelled projectiles, pyrotechnic smoke bombs, or any other burning projectiles would qualify as an incendiary projectile.
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