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Fridge compressor vs. Shock pump

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Fridge compressor vs. Shock pump

Unread postAuthor: Gun Freak » Tue Mar 09, 2010 8:40 pm

Ok so I'm planning on building a brass/galvanized T piston gun with about 6 inches or so of 1" brass or galvanized for the chamber. About how long would it take to pump up to 300-400 psi with a shock pump? Or is it just better to buy a fridgy? I've seen them on e-bay for like 15 bucks but shock pump seem to be twice as much, although they would give the option of portability, which I want. So should a shock pump be good for this chamber or should either downsize the chamber or buy a fridgy?

Thanks,
~Gun Freak~
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hpa tank and regulator

Unread postAuthor: DR » Tue Mar 09, 2010 8:57 pm

Don't know much about paintball, but gathering from what you require:

High pressure / portability...

It would seem like a good idea to research HPA tanks and regulators.
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Unread postAuthor: Gun Freak » Tue Mar 09, 2010 8:59 pm

Ok I'll look into them.

edit... I just looked at some HPA tanks, a little out of my price range even without the regulator. I'm thinking a shock pump would give plenty of pressure and I'm not really worried about long times between shots.
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Unread postAuthor: clemsonguy1125 » Tue Mar 09, 2010 9:23 pm

Id go with a fridge compresser if your willing to sacrifice portability.
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Unread postAuthor: Hawkeye » Tue Mar 09, 2010 9:24 pm

MAKE A PUMP! Seriously. You can make a half inch copper pump that threads directly to a gun and have onboard 400 psi with a pump action.
Shock pumps are OK but you can double the size and get that pressure much faster
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Unread postAuthor: Gun Freak » Tue Mar 09, 2010 9:30 pm

Ehh Hawkeye I really don't want to do that...

Clemsonguy I think I want portability.
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Unread postAuthor: MrCrowley » Tue Mar 09, 2010 9:40 pm

Depends how many times you want to shoot it and where. If you're only going to shoot it at home or where there is power, fridge compressor will be more handy (for future use as well), especially if you plan on shooting it a lot.

If you want portability and don't want to shoot it that often, go with a track pump or shock pump. My track pump (one that stands up on the ground and you hold down with your feet while you bend over and pump it) goes up to 300psi, most shock pumps (handheld) go to about the same but have less volume. To be honest, I get quite sick of pumping to 300PSI after about 10 shots.

I'm planning on getting a fridgy or a CO2 tank at some point.
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Unread postAuthor: Patto » Tue Mar 09, 2010 10:47 pm

Since i have got my fridge comp. i would never look back !!!! :lol: :lol:

if you want portable buy a fire ext. and fill that with your fridgy , sure beats pumping !! :D
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Unread postAuthor: kjjohn » Tue Mar 09, 2010 11:04 pm

HPA tanks aren't that expensive if you know where to look. You can find some cheap ones on Amazon for under $40, and if you do enough searching, you can find regs for less than $50. An HPA setup will also be able to fill the tank within a few seconds or less. I am only 14, and I can definitely afford an HPA setup for the hybrid I am building. In fact, the HPA setup seems cheap compared to some of the other components I have had to buy.

But, if you really can't afford that, I would go with a fridgy. They can provide the same pressures as a shock pump, and can air up quicker. Only problem is, you won't be carrying one around strapped to the side of the gun...

Have you thought of using C02? It is somewhat cheaper than HPA, and will have almost identical performance in a spudgun.
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Unread postAuthor: Gun Freak » Wed Mar 10, 2010 4:34 pm

kjjohn you say 40 for the tank and 50 for the reg, thats 90 bucks. Thats the MAX for me to spend on the gun AND the air suppy. And CO2 isn;t really something I would want to use right now.

And MrCrowley, where can you get a track pump? I searched amazon but there weren't any. They only have shock pumps. Are track pumps more expensive? BTW how's this fridge compressor? It seems to cheap to be true... :D http://cgi.ebay.com/NEW-SUPCO-RCO810-REFRIGERATOR-COMPRESSOR-RELAY-OVERLOAD_W0QQitemZ250584013803QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item3a57f89beb
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