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Putting spud cannon up for winter....

A place to ask general spud cannon related questions.
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Putting spud cannon up for winter....

Unread postAuthor: lleno11 » Mon Nov 26, 2007 4:31 pm

I noticed in another post[here I believe] that some folks were saying it was time to stopspudding for the winter??? Why is this?? Is ther some danger related to the cold weather??? PVC shattering??? PLMK< thanks, L :)
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Unread postAuthor: Fnord » Mon Nov 26, 2007 4:35 pm

PVC becomes brittle as the temperature gets colder. The main problem is with pneumatics, who don't like to be hit when pressurized.

Combustions should be fine though.
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Unread postAuthor: octane89 » Mon Nov 26, 2007 4:36 pm

When pvc gets cold, it get very brittle. It's best not to fire a cannon that has been out in the cold for a while. There was talk about how a guy wanted to fire it from inside his house outside, but in that case the cannon wouldn't be cold.
So yes, pvc can shatter and it's dangerous to do so.
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Unread postAuthor: MrCrowley » Mon Nov 26, 2007 4:36 pm

http://www.spudfiles.com/forums/what-ar ... 11619.html

http://www.spudfiles.com/forums/pvc-in- ... 11103.html

http://www.spudfiles.com/forums/prevent ... 11568.html

Read the whole thread, I know in one of them we discuss the effect quite indepth.

And remember, we do have several search tools on this website. :roll:
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Unread postAuthor: ALIHISGREAT » Mon Nov 26, 2007 4:38 pm

in a nut shell... yes.

pvc become brittle under 10*C or around there so its best to keep your cannon indoors.
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Unread postAuthor: JDP12 » Mon Nov 26, 2007 4:51 pm

haha yea... the last one is mine... i only wanted to fire it from inside cuz i have so much woods surrounding my house, but i realized firing the combustion inside prolly isn't too smart, then they cued me in on just walking outside... i'd recommend that..

that's also why i'm building my all-metal hybrid so i can shoot it all winter :wink:

ditto on what MrC said also

you can just avoid the problem by building a metal gun also...
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Unread postAuthor: MaxuS » Mon Nov 26, 2007 5:49 pm

Unless, of course youre spudgun is made from copper, then youre good to go all year round.
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Unread postAuthor: Lftndbt » Mon Nov 26, 2007 7:55 pm

Hmmm....
Looks like I'm at it all winter...
Full metal construct... Oh yeah.... :twisted:

Not that it gets cold where i'm, at...
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Unread postAuthor: BigGrib » Mon Nov 26, 2007 8:13 pm

Depending on how cold it is you should be able to get atleast a few shots off outside with a pvc pnuematic till it starts to get cold and then go back in for a few to warm her back up
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Yea, that's definitely going to get you at least a tazer.

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Unread postAuthor: psycix » Tue Nov 27, 2007 10:03 am

What if you would give your cannon a giant woolen sleeve to keep it warm? :D
Ask your grandma to make one for you :)
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Unread postAuthor: Ragnarok » Tue Nov 27, 2007 10:42 am

Copper FTW!

The great thing about copper is that you can submerge it in liquid nitrogen and it will still retain it's excellent failure characteristics - Steel will go brittle though, so if you accidentally drop your steel cannon in LN<sub>2</sub> then you might want to let it warm up a bit before using it.

Hmm, ductility.
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Last edited by Ragnarok on Tue Nov 27, 2007 11:55 am, edited 1 time in total.
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Unread postAuthor: Hotwired » Tue Nov 27, 2007 11:45 am

Mmm... A liberty ship cracking up in freezing water has decided to bob to the surface of my memory.
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Unread postAuthor: ShowNoMercy » Tue Nov 27, 2007 12:46 pm

The liberty ships failed due to improper welding techniques combined with cold water, however the steel itself did not fail.
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