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Old 02-22-2010, 03:37 PM   #1
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What, you don't want to install an air pump?

Okay here's my newest idea. It really works. Scan craigslist or other local site for a "L" or "M" size tank. Scuba tanks work best. I got mine for $12.00 Then get it hydro tested....$5.00 Then either buy or fab an air hose. Go to any welding shop and get a used regulator and waa laaa instant compressed air. If you have a scuba tank you can change 50 tires at least with air tools. This is much cheaper the on board (unless you got air lockers) systems. And I can fill up a 1000 inner tubes well maybe not 1000 but one h*** of lot. Plus it's very portable.

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Old 02-22-2010, 03:40 PM   #2
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Quote:
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Okay here's my newest idea. It really works. Scan craigslist or other local site for a "L" or "M" size tank. Scuba tanks work best. I got mine for $12.00 Then get it hydro tested....$5.00 Then either buy or fab an air hose. Go to any welding shop and get a used regulator and waa laaa instant compressed air. If you have a scuba tank you can change 50 tires at least with air tools. This is much cheaper the on board (unless you got air lockers) systems. And I can fill up a 1000 inner tubes well maybe not 1000 but one h*** of lot. Plus it's very portable.
What a great idea! Okay, where do you need to go to fill 'er up again?? (assuming you empty it?)
I am planning on going into the sand this summer (surf fishing) and this would be a good thing...

also if you can take some pics and post them so we can see your idea in action (where to mount in Jeep, etc) that would be great!

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Old 02-22-2010, 03:44 PM   #3
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you can refill them at any scuba shop, welding shop or gas supplier (as in tank gases). I got to the gas shop or the scuba shop here.
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Old 02-22-2010, 05:13 PM   #4
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Know of more than one firefighter that got one of the old air tanks from their departments, and used that....they work at high pressures so they last for freaking ever...(dunno if higher psi than scuba, but if I understood them they do). Of course being firemen they are lucky enough to be able to refill the tanks for free.

Which makes me think...I have a few local firemen friends. I may have to give them a call.
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Old 02-22-2010, 06:41 PM   #5
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I used to be in the fire department. We had what is called a Scott Air Pack and yes they will work also. Those tanks a little smaller then the Scuba tank, BUT, they are aluminum which is great cuz they are lite weight. The air pressure is the same, 3000 lbs but some can go up to 3300. I'd love to find some of those tanks....they are a premium.
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Old 02-22-2010, 06:47 PM   #6
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did you mount it in your jeep? or have it loose so its more portable?
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Old 02-22-2010, 07:16 PM   #7
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I used to be in the fire department. We had what is called a Scott Air Pack and yes they will work also. Those tanks a little smaller then the Scuba tank, BUT, they are aluminum which is great cuz they are lite weight. The air pressure is the same, 3000 lbs but some can go up to 3300. I'd love to find some of those tanks....they are a premium.
Ours are carbon fiber with an aluminum alloy inner shell, rated at 4500psi and 45 minutes (of course that depends on how fast you're breathing). Talk about lightweight.
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Old 02-22-2010, 09:54 PM   #8
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did you mount it in your jeep? or have it loose so its more portable?
Loose, since I use it in the garage or wherever I need it.
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Old 02-22-2010, 09:55 PM   #9
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Ours are carbon fiber with an aluminum alloy inner shell, rated at 4500psi and 45 minutes (of course that depends on how fast you're breathing). Talk about lightweight.
CARBON FIBER.....WOOOO HOOOOO I want one of those
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Old 02-22-2010, 10:05 PM   #10
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SCUBA tanks are steel, need hydro every 5 years and the most common size are the 88's (they hold 88 cubic ft. of compressed air at 4500 psi.

As memtioned, most current scba cylinders in use by fire department are made of carbon fiber and the high pressure tanks (high pressure meaning 4500 psi) hold 45 cubic feet of air and are designed to last 30 minutes, the next step are the 45 minute cylinders and hold 60 cu.ft., and lastly the 1 hr. cylinders are 80 cu. ft.

now there are cylinders out there made from steel, aluminium and kevlar wrapped....just depends on what the locals used in the day, but stay away from them, they are old and dangerous and not manufactured like the steel cylinders you see in welding shops etc.
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Old 02-22-2010, 10:24 PM   #11
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SCUBA tanks are steel, need hydro every 5 years and the most common size are the 88's (they hold 88 cubic ft. of compressed air at 4500 psi.

As memtioned, most current scba cylinders in use by fire department are made of carbon fiber and the high pressure tanks (high pressure meaning 4500 psi) hold 45 cubic feet of air and are designed to last 30 minutes, the next step are the 45 minute cylinders and hold 60 cu.ft., and lastly the 1 hr. cylinders are 80 cu. ft.

now there are cylinders out there made from steel, aluminium and kevlar wrapped....just depends on what the locals used in the day, but stay away from them, they are old and dangerous and not manufactured like the steel cylinders you see in welding shops etc.
Uh.......not ALL SCUBA tanks are steel. And if they are, they're low pressure. You don't want one of these. Most steel SCUBA tanks are rated for 2400 PSI whereas most aluminum tanks are rated for 3000 PSI. Aluminum SCUBA tanks are the way to go if you're looking for a high pressure tank for onboard air. Just don't leave it in the vehicle on a HOT day, you'll take a chance for the burst disk to let go.
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Old 02-22-2010, 10:27 PM   #12
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Quote:
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Okay here's my newest idea. It really works. Scan craigslist or other local site for a "L" or "M" size tank. Scuba tanks work best. I got mine for $12.00 Then get it hydro tested....$5.00 Then either buy or fab an air hose. Go to any welding shop and get a used regulator and waa laaa instant compressed air. If you have a scuba tank you can change 50 tires at least with air tools. This is much cheaper the on board (unless you got air lockers) systems. And I can fill up a 1000 inner tubes well maybe not 1000 but one h*** of lot. Plus it's very portable.
I'm a Master SCUBA Instructor and I used to manage a dive shop in Key Largo where we did visuals and hyrdos on SCUBA tanks. In fact, we were the only shop between Key West and Miami who could hydro tanks........and it cost $30. Where are you taking your tanks that only charge $5 for a hydro? Granted, we EddyCurrent tested and did an included visual inspection for the $30, but $5 seems awfully low for a hydro.
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Old 02-23-2010, 07:43 AM   #13
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True most places here charge average $25 to hydro test, but, there is one major gas supplier, if you have an active account with will do the hydro test for $5.00 I use them frequently they take care of their customers, and carry a huge selection of parts.
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Old 02-23-2010, 09:47 AM   #14
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True most places here charge average $25 to hydro test, but, there is one major gas supplier, if you have an active account with will do the hydro test for $5.00 I use them frequently they take care of their customers, and carry a huge selection of parts.
BONUS!! That's great that they take care of their customers that way. If they're going to offer such a great deal, then use the heck out of it!!
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Old 02-23-2010, 10:13 AM   #15
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buddy of mine was selling a bunch of tanks from a local fire department to help raise back money they had to spend on getting new equipment, bought one from him for $20 and still has 2000 lbs of air in it... i just have to go get a converter from the valve to an air line end and im good to go... thought about converting it to c02 tank but the regulators cost around $100 or so that i can find...

he might still have a few left over if anyone is interested ill send him a PM and check.
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Old 02-23-2010, 10:15 AM   #16
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pics...



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Old 02-23-2010, 12:21 PM   #17
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Is it legal to paint those ugly tanks or do they have to be left original color??
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Old 02-23-2010, 12:53 PM   #18
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Most AIR tanks come in differant colors, some are brushed aluminum, some blue, most fire departments are yellow. Like most tanks it MUST BE LABLED what's inside. At least that's what I've seen here (Calif.)
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Old 02-23-2010, 01:45 PM   #19
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^ i believe you are correct, all air tanks come in a wide variety of colors they just have to be properly labeled as to whats in it and any warning that might be necessary.
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Old 02-23-2010, 05:03 PM   #20
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Is this a stupid question? I'm much too lazy to check...what's Hydro?
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Old 02-23-2010, 05:13 PM   #21
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Is this a stupid question? I'm much too lazy to check...what's Hydro?
A hydro is short for a hydrostatic test. Basically, the tank is filled with water, then pressurized to 5/3 of it's operating pressure in a water bath. So if it is a 3000 PSI cylinder, it's pressurized to 5000 PSI. Records are made of the volume of water the water bath held unpressurized, then the volume of water the water bath held after pressurization to check how much the cylinder has expanded. If it remains in tolerance, then it passes. If it fails, it is condemned. All SCUBA cylinders in the United States are required to have a hydrostatic test every five years. They are required to have a visual inspection every year. A visual inspection is usually done with a metal-integrity machine called an EddyCurrent. It's used in the neck threads where the valve is installed. It checks for TINY cracks in the threads that the naked eye can't see. Other than that, a visual is just that, a visual inspection of the cylinder. Each cylinder is checked for corrosion (salt water inside a steel or aluminum tank wreaks havoc) as well as cracks, dents, etc.....

That's just a summary of the hydro test. It's quite involved and includes quite a bit of record keeping. Hydrostatic tests can be used in a court of law if there is any question of a cylinder's integrity in a lawsuit.

Hope this helps.
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Old 02-23-2010, 05:24 PM   #22
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WOW. that's intense...I suppose an exploding tank would suck!
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Old 02-23-2010, 05:42 PM   #23
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[QUOTE=Bobthegod; Go to any welding shop and get a used regulator and waa laaa instant compressed air. [/QUOTE]

Most regulators will not go very high on the high side, most not really high enough to fill tires, you may need a special reg. meant to put out the higher pressure. I found this out when looking for a regulator for my nitrogen tank used to fill fox air shocks that needed around 165 lbs of press.

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Old 02-23-2010, 06:24 PM   #24
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thats a pretty good idea. it wont work out for me because the only dive shop around my area is owned by an a$$hole who wont fill my tank because i used to go to the other shop that closed down. really good idea
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Old 02-23-2010, 08:05 PM   #25
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Hmmm...I'm thinking "too many regulations" and such to own these tanks!

I am no diver and never have even seen a dive shop...
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Old 02-23-2010, 11:42 PM   #26
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Most fire departments will fill em too. Sounds like a good investment for a true off roader. I'd have no need for it though. Only for someone to steal it or something.
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Old 02-05-2012, 10:29 AM   #27
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scott pack regulator

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what did you use for a regulator im looking for a 4500 or 6000 psi reg and im having a hard time looking for one thats cheap.... im a fire fighter in my town so filling is not an issue and getting a bottle is not either. let me know
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Old 02-07-2012, 01:02 AM   #28
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hello
Welcome to the forum....


But why would you just come in here and quote a random guy on your first post and say hello?

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