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I have no idea

A place to ask general spud cannon related questions.
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I have no idea

Unread postAuthor: lit up!! » Tue Dec 22, 2009 1:00 pm

hi i would like to build a cannon to shoot Nerf rockets but don't know were to start. can anyone help me?
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Unread postAuthor: jackssmirkingrevenge » Tue Dec 22, 2009 1:04 pm

You're going to need to be a bit more specific if you want useful advice.

Are you looking for single shot or multi shot?

What sort of velocity are you after?

What size is acceptable?

What's your budget?

Do you want to power it with a fuel/air mixture (combustion) or compressed gas (pneumatic)?

Do you need it to be quiet?

Come up with a detailed specification and you'll find a lot of help. In the meantime, read though the Image ;)
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Unread postAuthor: kenbo0422 » Tue Dec 22, 2009 1:12 pm

Also: do they have fins that stick out?

JSR: :lol: I do speak English.
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Unread postAuthor: jrrdw » Tue Dec 22, 2009 1:13 pm

Or you can click me.
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Unread postAuthor: jackssmirkingrevenge » Tue Dec 22, 2009 1:22 pm

kenbo0422 wrote:JSR: :lol: I do speak English.


That went completely over my head :?
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Unread postAuthor: kenbo0422 » Tue Dec 22, 2009 1:43 pm

АНГЛИЙСКИЙ, ДОЛБОЁБ! ТЫ ГОВОРИШЬ НА НЁМ?


:D
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Unread postAuthor: jackssmirkingrevenge » Tue Dec 22, 2009 1:56 pm

Right, a subtle Pulp Fiction reference would have been more effective :)
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Re: I have no idea

Unread postAuthor: Hubb » Tue Dec 22, 2009 1:57 pm

lit up!! wrote:hi i would like to build a cannon to shoot Nerf rockets but don't know were to start. can anyone help me?
Why yes. Yes someone can.
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Unread postAuthor: lit up!! » Tue Dec 22, 2009 1:58 pm

alright more detailed

im lloking for a single shot

not shure of the velocity but has to shoot 100+ feet

no longer than 4 feet long

i want it to be powered by compressed air

does not need to be quit

thanks
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Unread postAuthor: Hubb » Tue Dec 22, 2009 2:02 pm

In other words, you're wanting a paintball/airsoft launcher...

Again, yes. We can help.
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Unread postAuthor: jackssmirkingrevenge » Tue Dec 22, 2009 2:04 pm

If aiming isn't an issue, something as simple as this will do.
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Unread postAuthor: lit up!! » Tue Dec 22, 2009 2:11 pm

im looking for something a little more of a challenge. but thanks though
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Unread postAuthor: jackssmirkingrevenge » Tue Dec 22, 2009 2:20 pm

A sprinkler valve pneumatic then, it will give you the performance you want at 100 psi, not the most basic of designs but complex enough to give you a challenge with a reasonable chance of success, especially if its your first build. Also the parts you need are relatively cheap and readily available.
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Unread postAuthor: lit up!! » Tue Dec 22, 2009 2:24 pm

how did he make the trigger?
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Unread postAuthor: jackssmirkingrevenge » Tue Dec 22, 2009 2:29 pm

Have a look.

Many of your questions have probably already been answered elsewhere, I suggest you take a good look around the forum and wiki first.
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