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Author Topic: M700 HPA System  (Read 1918 times)

Bauer CTU

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M700 HPA System
« on: February 24, 2006, 08:55:15 PM »
Hey

I Just recently bought a KJW M700 and am looking in to a HPA system. I was wondering if anyone has installed any on a gas rifel or an m700 and what it costs. Also how do you install one.

Thanks
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baritoneplayer2

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Re: M700 HPA System
« Reply #1 on: February 24, 2006, 09:03:08 PM »
There was a post about this on the old forums fairly recently.  I will try to go find it after I post this.  A good HPA tank is going to run you about $150 alone, though.  However, if you live in a warm-weathered place, you can get along with CO2 just fine, and you can get a whole CO2 set up for about $150.  HPA is better in the colder weather, though. 

http://www.classicairsoft.net/Articles/regulator/

http://www.classicairsoft.net/forum1/topic.asp?TOPIC_ID=2179

Those articles should help you get a better understanding for a external air set up.  However, you could use a CO2 power boster that uses 12g CO2 "powerlets."  It will only run about $30, and would work fine on a sniper.  It is regulated to about 130 psi I think.  Ok, time to go find that thread.

EDIT:  Here you go:

http://www.airsoftretreat.com/oldforums/topic.asp?TOPIC_ID=93220
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Bauer CTU

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Re: M700 HPA System
« Reply #2 on: February 24, 2006, 09:08:41 PM »
IS the HPA worth it for that price
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pyrochris

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Re: M700 HPA System
« Reply #3 on: February 24, 2006, 10:51:26 PM »
Quote from: baritoneplayer2 on February 24, 2006, 09:03:08 PM
There was a post about this on the old forums fairly recently.  I will try to go find it after I post this.  A good HPA tank is going to run you about $150 alone, though.  However, if you live in a warm-weathered place, you can get along with CO2 just fine, and you can get a whole CO2 set up for about $150.  HPA is better in the colder weather, though. 

http://www.classicairsoft.net/Articles/regulator/

http://www.classicairsoft.net/forum1/topic.asp?TOPIC_ID=2179

Those articles should help you get a better understanding for a external air set up.  However, you could use a CO2 power boster that uses 12g CO2 "powerlets."  It will only run about $30, and would work fine on a sniper.  It is regulated to about 130 psi I think.  Ok, time to go find that thread.




I have one of those CO2 power boosters you are talking about.  The problem is that, to my knowledge, they are non-adjustable, and are regulated somewhere near the peak power output pressure for a stock KJW M700.  This means you'll probably be shooting over 600 fps, and you will not be able to adjust it down for skirmishability.  I'd say the pricier set up will probably be much better/ more consistant and much more versatile than the cheap power booster 12 gram adaptor thing.

By the way, that classic airsoft article is great!  I've been looking for more in depth information on co2/ HPA setups, and I should have thought to look on classic airsoft all along *smashes head into computer screen*.     

Quote from: Bauer CTU on February 24, 2006, 09:08:41 PM
IS the HPA worth it for that price



My understanding is that HPA makes a substantial improvement on long range accuracy due to a much higher shot to shot consistancy, so if you are serious about being a "sniper" than it is definetely worth it.

« Last Edit: February 24, 2006, 10:54:35 PM by pyrochris »
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emu

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Re: M700 HPA System
« Reply #4 on: February 24, 2006, 10:55:48 PM »
Yeah, the HPA is worth it! I have the HPA, but I got all the "dirty work" done for me (all that installing and stuff...hehehe) so I can't tell you how to do it. But I paid just over $150 for the whole HPA setup, I guess my tank wouldn't be considered "decent." I love the HPA because it is amazing even in below zero temperatures (which I sometimes play in) which even AEG's can't stand. If you have all the money needed, and live in cold areas, HPA will be awesome for you.
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baritoneplayer2

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Re: M700 HPA System
« Reply #5 on: February 24, 2006, 10:56:45 PM »
Yeah, Ca.net has some good information.  Not too many people here know too much about classics and external air set ups.  And I agree, the pricier set up is more versatile; I was just listing the CO2 power booster as a cheaper alternative.  And Bauer CTU, where do you live.  What is the climate/temperatures like?  If you live up North, HPA is probably the way to go.  But if you live down South, I would just go with CO2 because it is cheaper to get started.

EDIT:  emu, how big is your HPA tank?   $150 for a whole HPA set up is a great deal.
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emu

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Re: M700 HPA System
« Reply #6 on: February 25, 2006, 09:06:52 AM »
I forgot like where you can buy all the HPA stuff, but to answer your question, the tank is kinda big. Heavy too. It was used, by the way, so that explains the cheap cost.
« Last Edit: February 25, 2006, 02:49:59 PM by emu »
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swatsniper1

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Re: M700 HPA System
« Reply #7 on: February 25, 2006, 11:12:46 AM »
Questions about CO2 and HPA Rigs can now be awnsered in my thread about External rigs.

Jester/
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RLB

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Re: M700 HPA System
« Reply #8 on: February 25, 2006, 02:21:07 PM »
Email or PM wupjak. He runs an HPA setup on his KJW M700.
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swatsniper1

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Re: M700 HPA System
« Reply #9 on: February 25, 2006, 02:36:57 PM »
Or me if its CO2 related.

Jester/
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emu

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Re: M700 HPA System
« Reply #10 on: February 25, 2006, 02:49:00 PM »
Yeah, definately ask Wupjak. He told me how to fix my gun when it was broken.
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Bauer CTU

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Re: M700 HPA System
« Reply #11 on: February 25, 2006, 04:40:50 PM »
I live in Chicago and would like to start going in the winter. So Hpa sounds better but where would i store the tank and do i need a cord for each mag.
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baritoneplayer2

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Re: M700 HPA System
« Reply #12 on: February 25, 2006, 07:52:22 PM »
If you live in Chicago, HPA is the way to go.  As for where to store the tank, I assume you mean during a skirmish.  You could put it in a buttpack, or get a vest with a built in hydration system, and just put it in that.  Or just put it in a regular hydration system (like a Camelback).  And I don't think you need a cord for each mag.  If you drill and tap them, you could just put one of these ( part #5225K504 from www.mcmaster.com ) for each mag.  Since it has a "push-connect" fitting for the tubing, you can just pull it out of one mag and push it into another.  I think that should work fine for you.
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emu

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Re: M700 HPA System
« Reply #13 on: February 25, 2006, 07:57:48 PM »
Yeah, I did the "push connect" thing that baritoneplayer2 was talking about. My HPA tank is very very heavy when you pick it up. But I carry it on a belt and it's seemly weightless almost. I'd say go for the HPA!
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Bauer CTU

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Re: M700 HPA System
« Reply #14 on: February 25, 2006, 09:26:50 PM »
Ok very cool
 thanks o and how much does this run you
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emu

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Re: M700 HPA System
« Reply #15 on: February 25, 2006, 09:40:39 PM »
Money wise?
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pyrochris

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Re: M700 HPA System
« Reply #16 on: February 26, 2006, 12:23:42 AM »
going back to what I said earlier, I've just been informed that the KWC CO2 adaptor is adjustable.  Jester's (swatsniper1's) M700 CO2 guide explains:  There is a little allen screw (In mine I couldn't see it because it was covered in red loctite), in the metal thing that screws onto the back of the adaptor.

Although I'm still pretty sure a better regulator would have a more stable output pressure.  In fact, there was a thread on classicairsoft.net saying that the pressure really spikes if you fire rapidly, then stop.  Not that you should be doing this with a sniper rifle, but...

Also, I'm not sure how much the adaptor can be adjusted.  Like what range of pressures is achievable.
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swatsniper1

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Re: M700 HPA System
« Reply #17 on: February 26, 2006, 05:37:10 AM »
50PSI to around 180PSI.

Jester/
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