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Pneumatic Bottle Launcher

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Unread postAuthor: Sticky_Tape » Sun Apr 06, 2008 8:03 pm

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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: elitesniper » Sun Apr 06, 2008 8:25 pm

cool scott, can you explain your release system? I need to build one simlar so I can test my rockets and beat every one at school :)
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Unread postAuthor: scottcrete » Sun Apr 06, 2008 8:59 pm

look closely at the pictures .... you will see that....

A. Image
the pulley system for the rope.. you want to hook like a leash or something at the front where the rope makes a u between the two eye hooks

B.Image
you can see how it connects to the quick connect.. by the means of a hose clamp.. this way when you pull on the rope.. FIGURE A
you will put equal pressure on it.. making it pull down and release the rocket.
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Unread postAuthor: brogdenlaxmiddie » Sun Apr 06, 2008 9:10 pm

Spudchucker, I'm guessing your about 13 years old... Give or take a few years
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Unread postAuthor: Blitz » Sun Apr 06, 2008 9:16 pm

brogdenlaxmiddie wrote:Spudchucker, I'm guessing your about 13 years old... Give or take a few years
What relevance does that have towards anything here?
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Unread postAuthor: brogdenlaxmiddie » Sun Apr 06, 2008 9:24 pm

spudchucker wrote:It's pretty simple the little weight that is on the nose cone keeps moving up off of the rocket when the rocket reaches apogee it's max. hight.
Ex. putting a penny on your hand and jerking your hand up same principal the penny will lift off of your hand.

Can you tell me how old you think I am?


he asked how old i thought he was...
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Unread postAuthor: Blitz » Sun Apr 06, 2008 9:25 pm

Oh, okay. I suppose I shoulda asked him that -- my bad.
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Unread postAuthor: brogdenlaxmiddie » Sun Apr 06, 2008 9:59 pm

Its all good :D
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Unread postAuthor: Thursto » Mon Apr 07, 2008 1:55 am

Well im also building a rocket atm. It has 2 engines and the same sort of release mech. BUT i do not understad why there is such a big chamber, its the rocket that has the water and pressure that launches it i thought?

Mines being made with pressure PVC 2" for the engines :roll:

have u got any ideas for parchute deployment menthods? or not having one?

Cheers, Thursto.
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Unread postAuthor: Sticky_Tape » Mon Apr 07, 2008 6:18 am

yep I'm 13 well anyways the reason why I have a large rocket volume is that the more air and water you use the higher the rockets goes

My rocket 4 litres air 2 litres water IT'll go higher :wink:
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: jrrdw » Mon Apr 07, 2008 7:10 am

Remember Scott, us dail up users need short video clips, 2 minute tops. That is if you plan on putting up vids of this in action??? Nice build I think!
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When life gives you lemons...throw them back they suck!
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Unread postAuthor: scottcrete » Mon Apr 07, 2008 7:40 am

is that a hint to make this video short so you can see it? (wanting to see it i suppose?) I will do that just for you jrrdw... (when i launch it)
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Unread postAuthor: jrrdw » Mon Apr 07, 2008 7:50 am

scottcrete wrote:is that a hint to make this video short so you can see it? (wanting to see it i suppose?) I will do that just for you jrrdw... (when i launch it)


You sir, are a true gentleman!

<a href="http://plugin.smileycentral.com/http%253A%252F%252Fwww.smileycentral.com%252F%253Fpartner%253DZSzeb008%255FZR%2526i%253D23%252F23%255F30%255F109%2526feat%253Dprof/page.html" target="_blank"><img src="http://smileys.smileycentral.com/cat/23/23_30_109.gif" alt="SmileyCentral.com" border="0"><img border="0" src="http://plugin.smileycentral.com/http%253A%252F%252Fimgfarm%252Ecom%252Fimages%252Fnocache%252Ftr%252Ffw%252Fsmiley%252Fsocial%252Egif%253Fi%253D23%252F23_30_109/image.gif"></a>
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Unread postAuthor: scottcrete » Mon Apr 07, 2008 8:02 am

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YEP... I JUST GOTTA SAY.. Luv you guys!

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Unread postAuthor: Blitz » Mon Apr 07, 2008 8:28 am

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