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[Question] How far would a marshmallow go..?

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: jackssmirkingrevenge » Wed Oct 26, 2011 6:52 am

stoj wrote:how many shots do you think i would get out of 1L of compressed air provided my secondary tank is about 2cm wide and 10cm long?


... filled to what pressure?
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Unread postAuthor: stoj » Wed Oct 26, 2011 4:54 pm

....roughly 100
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Unread postAuthor: jackssmirkingrevenge » Thu Oct 27, 2011 12:28 am

You'll lose about 3-4 psi per shot, so after 15 shots or so the tank will be down to 50 psi, good enough for decent power but significantly different from when you started.
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Unread postAuthor: jazzman56 » Thu Oct 27, 2011 3:50 am

They fire extinguisher you linked, is roughly $33 if you go down to you hardware store you can pick the same type up for $20.

My multishot gets about 10-15 (Good) shots, dropping about 4-5 psi per shot :)

I can upload mine if that would help you with designing yours :)
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Unread postAuthor: Technician1002 » Thu Oct 27, 2011 9:23 am

Hit the local fire extinguisher service place. You can often get obsolete tanks for free or at scrap metal prices.
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Re: [Question] How far would a marshmallow go..?

Unread postAuthor: i-will » Fri Oct 28, 2011 3:07 am

jackssmirkingrevenge wrote:
stoj wrote:is there better ammunition?


... is like asking "Is there a better form of transport than lying face down wearing a sandpaper suit and propelling yourself by blowing vigourously?


lol!....Greatness.
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WHY PAY FOR IT WHEN U CAN MAKE IT?
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Unread postAuthor: CpTn_lAw » Fri Oct 28, 2011 7:15 am

It reminds me... 6 years ago, i made a small UHU glue-stick combustion cannon. I wanted to shoot my friend at the breaks between classes. So, shooting rolled paper balls didn't seem painfull. So i tried it on myself with a rolled-up chewing gum paper.
Well... how to say it.... :roll:
Point blank (i mean like 1" from my belly) did hurt. A LOT. I got a nice little purple , bloody button that lasted for almost 2 weeks.
So in the eventuality that you want to shoot living pop-cans, do try it on yourself first.

Also, what you're asking depend on your barrel lentgh, valve, pilot, temperature, etc...
Technician pointed it out (and he's got the most badass marshmallow shooter in here if i'm not mistaking) , even a soft and delicious marshmallow can become a very nasty little prick.
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Unread postAuthor: stoj » Sat Oct 29, 2011 4:05 am

Technician1002 wrote:Hit the local fire extinguisher service place. You can often get obsolete tanks for free or at scrap metal prices.


thanks for that, I'll be sure to check out the nearest shop.

jackssmirkingrevenge wrote: You'll lose about 3-4 psi per shot, so after 15 shots or so the tank will be down to 50 psi, good enough for decent power but significantly different from when you started.


you have no idea how helpful that is. thanks alot!
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