:John Hines wrote: :> Dan_Musicant wrote: :>> I want this as a sort of high performance cleaning tool. They were :>> recommended to me as such. I have the Dust Off stuff they sell at :>> Costco, but the pressure's pretty weak out of those. I figure I can :>> use my tire inflator to pump 100 PSI into it, if I can get one. Does :>> anyone know a good place where I can pick up one of these? I live in :>> Berkeley, CA. Thanks! :>
:> Harbor freight part number 01102-3BPA for $9.99 : :Now $4.99 : :
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: Yes. Now that looks like a handy thing but I don't think it will function as a high performance air cleaning aid, which is what I was after. However, a refillable reusable aerosol spray can - that's very interesting.
:WalMart and most auto parts shops sell 5 gallon steel tanks intended to hold :about 100 psi . . . you fill 'em up at the gas station, then when your car :tire needs air, you use the attached hose to fill it up . . . Probably cost :ya $25 or so. : :Evidently paintball guns use a 3000 psi nitrogen filled tank, I'll bet your :acquaintance is using something like that. To refill, all ya need is a few :ounces of liquid nitrogen . . . : :Do a search on eBay for AIR TANK and you'll see lots of possible options . . :. : :-Tock
I think the smallest thing that was at Kragen Auto Parts was 2 gallon and included a pump. Thing is, that's not as portable and stowable as a small refillable tank. I wonder how many shots you get, though, before the pressure dies.
Sure, I'll take your word for that, but the idiot that suggested inflating the tyre to that level didn't bother pointing out that it would be necessary to hunt around for a tyre that would handle that sort of pressure.
I think the OP said he wanted that sort of pressure
I was at the hospital when his wife came in after being informed - the guy was inflating a (front) tractor tyre after a repair when it let go. Not nice at all. Local paper carried the story.
People are insane. What was the deal, someone said that a piece of rubber from a tire that blew up with only, I don't know, thirty or forty pounds, took out a car window. I think there's a lesson there but what do I know.
Just to add a little of the ponderable stuff for the many "naysayers" on the tire being Extreeeeemely dangerous. Let's explore what we're dealing with.
Basically the 100# of pressure would be pretty high but we'll use that as the example. That number is meant as PSI, or pounds of pressure per square inch. I am not even the mathematician type, but I can look at a tire/tyre, and see there is more than one square inch of surface,................on the outside, that gives me a feel for the inside area also. Noting all that was said in the previous paragraph, poorly structured as it is, I can plainly tell there's a bit more than 10 square inches of area on the average wheel barrow tire/tyre ( A HUGE AMOUNT MORE ) At Just 10 square inches, the PSI stated above, 100PSI, is now applied evenly accross all of the area of the tire...............comes to an awe inspiring 1000pounds of pressure over that small stated area.Just
10 Square inches! Amazing. I have never seen a tire so small, not even on a bicycle. So imagine what the area inside of a typical 205/95r15 would be and apply the same principal at a mere 32-45PSI. We'll use the area of the surface for our experiment no sidewall calculation in the area...........watch..............
If the tire is a 205, that's tread width. We'll convert that metric number of mm to inches .........let's see...........8.1in. then we can figure the height of the tire at 95% width per sidewall, ............there's two of those...........let's see..........7.695in., and don't forget, two of those, makes it
15.39in. plus the rim size of 15in. equals..........ok30.39in hieght on the tire/tyre. Now we can figure the circumference (the easy way for me is Pi =3.14) diameter mutiplied by radius is circumference( If I remember correctly).............so 3.14 times 30.39 = 95.42...........roughly. this is just to make a point, not to be a math wizard.........so we move on..................our 95.42 is the circumference of the tire/tyre, now we need to multiply that by the width of the tread, which as we calculated earlier from metric to inches, was 8.1 inches...........that leaves us with a number close to 773 square inches............a bunch more than the 10 inches of area we had before. lets use a small number for the pressure calculation here. Let's say we like a pretty mushy, ride, not too sporty, we run 30 psi (of course that'll ruin our tire/tyre pretty quick, but once again this is just for fun) The big picture is coming into focus now, No?
773 square inches area JUST ON THE TREAD AREA, at 30 PSI is now calculated to.............23190 pounds of pressure total!..........A Huge Amoount of pressure ! Every 1 Psi adds another 773 pounds of pressure looking for a weak spot.............capiche?
I know you can at least use a calculator to check my math. So go ahead.........it's not exact, but it is *very* representative.
I think there are many crazy folks out there too. Try not to take it too seriously though, cause some of them crazy bastards are WAY RIGHT in their fears of power............be it electric, be it air, be it water, be it politiical, be it any type of power, it is all the same stuff...........POWER.............to be reckoned with for sure, all of it.
I can go on if this doesn't make much of an impresion. You should calculate the inside of an airplane at
14.47psi.............HOLY COW!
However, the lesson to be learned should be apparent.
(all of this post was made with a toungue and cheek type of feeling, not to be anything more than informative and fun )
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MUADIB®
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