) and was thinking, that maybe i could get one of those pumps in shampoo pump things, and use it to pump up my mini. i think it might work, but can someone tell me why it would or wouldnty work???Idea for a pump, mebbe???
Hey everyone, am currently bilding a pnematic spitball cannon, (and piss off everyone in my class ) and was thinking, that maybe i could get one of those pumps in shampoo pump things, and use it to pump up my mini. i think it might work, but can someone tell me why it would or wouldnty work???
) and was thinking, that maybe i could get one of those pumps in shampoo pump things, and use it to pump up my mini. i think it might work, but can someone tell me why it would or wouldnty work???
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inonickname
- First Sergeant 4
- Posts: 2606
- Joined: Sun Dec 07, 2008 3:27 am
It wont work.
They do not have a perfect seal, only enough to pump thick fluids. Added to that, they are only meant to push past a few inches of gravity.
The bore and stroke is also so small that reaching pressures (respectable) would be impossible.
They do not have a perfect seal, only enough to pump thick fluids. Added to that, they are only meant to push past a few inches of gravity.
The bore and stroke is also so small that reaching pressures (respectable) would be impossible.
PimpAssasinG wrote:no im strong but you are a fat gay mother sucker that gets raped by black man for fun
u cant find a basic small hand pump for under $20 can i ask where u have been looking?? if ur an aussie try rebel sport and look for a basket ball pump/ball pump ,i got one from there not long ago its about 200mm long
and the chemical/water pump id say its about 30cm long
and if ur looking for a pump 4-5 cm long let me know cause id like one
and the chemical/water pump id say its about 30cm long
and if ur looking for a pump 4-5 cm long let me know cause id like one
hehe lol! actually, i have decided to make my own. it will use some 6 mm copper tube, some small o rings i just found, epoxy and ball bearings. im also gonna have two springs in it, so rather than pumping in\out like a bike pump, it will be more like clicking a mechanicle pencil, only a bit harder. it will be (if my plan works) only 3.5 cm long! yay!
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inonickname
- First Sergeant 4
- Posts: 2606
- Joined: Sun Dec 07, 2008 3:27 am
Just checking, you do understand the mechanics of how a pump works, don't you?
PimpAssasinG wrote:no im strong but you are a fat gay mother sucker that gets raped by black man for fun
this post is not in responce to mr nickname
yeah ive had a stab at making a pump, here she is the chamber is 100mm long except for the handle which is 100mm long as well,, its basically a water pistol i made for my brother,but anyways post some pics once ur completed
yeah ive had a stab at making a pump, here she is the chamber is 100mm long except for the handle which is 100mm long as well,, its basically a water pistol i made for my brother,but anyways post some pics once ur completed
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Last edited by FORE!!!! on Fri Aug 14, 2009 11:43 pm, edited 1 time in total.
