SMG-68, HPA or CO2? Any other advice?

mobiusmorte · 07-02-2007, 04:16 PM

I've recently purchased a SMG-68

(Thanks Jester!)
And was wondering before I air it up the first time, will I have any issues using HPA instead of CO2? I prefer to use HPA for several reasons, (cleanliness and availabilty primarily) and I can't think of why this would be a problem but I figured it is best to ask.

Also, since this will be my 1st SMG in 20 plus years does anyone have any hints or tips to help me out? I used to have a SMG-62 but gave it away to a friend in 89, I was tired of the hassle to get paint for it and my Apex (I still own the Apex it is one of the 1st two Airpower ever made, a buddy of mine has the other one) was just too sweet, plus I could reload my stick feeder much quicker, and no worries of losing stripper clips. While I am rambling, I still have a dozen or so .62 stripper clips I rediscovered in my old gear case. If anyone wants 'em drop me a pm I am sure we can work something out.

Chappy · 07-02-2007, 04:46 PM

HPA will yield low fps and horrible shootdown. There just isn't enough volume in the airlines. Liquid CO2 is how these beasts run best.

mobiusmorte · 07-02-2007, 06:27 PM

Thank you, so now I suppose I need to get a siphon tank, since all of my CO2 tanks do not have that...

Titus · 07-02-2007, 06:34 PM

I'm sure you could find one on here. I'll dig around and see if any of my 7 or 12 ozers have them installed.

angelpena · 07-02-2007, 07:32 PM

they are easy enuff to make, need tips pm me

mobiusmorte · 07-03-2007, 12:32 AM

Thanks guys, I do appreciate the info and help. Titus, definitely let me know if you have a pre-assembled siphon tank, would prefer that over modding one of my old tanks. I know it can be done quite easily, but for some reason, despite how much I love to fiddle with my guns I have never felt comfortable messing around with CO2 or HPA tanks...
Angelpena,
If I do end up having to do it myself, I will most assuredly take you up on your offer of tips...

sdlm · 07-03-2007, 06:01 AM

I thought the valve in that thing was like my .68 special. I used to run mine @ 1200psi out from my AA Raptor Rex with no issue. I mean, I can only shoot maybe 6-7bps on it but I don't have shootdown. Has anyone tried an SMG at a higher tank output pressure?

HP_Lovecraft · 07-03-2007, 07:24 AM

There was some debate if the SMG-68 came with a siphon originally, but I was just reading through the manual at VintageRex, and it says the siphon was an "option" originally.

There were also different spring sets for "winter" (5lbs), "summer", (4lbs) and "pre 88" (2.5lbs).

So, if you can use a 800psi HPA tank without mod probobly depends on what configuration the SMiG came from the factory with. You might be able to work with the 800psi HPA by shiming the stock spring.

Though, if you can get a siphon, that would be the most fun.

nick

Chachi · 07-03-2007, 09:41 AM

to add an AA Intimidator to that after getting the siphon tank

Azzy · 07-03-2007, 09:52 AM

And CO2 usually comes from the same places that they fill soda machines... so you can toss the cleanliness thing out the window

Just saying.

Go liquid and have fun shooting in humid climates! Woot, smoke screen!

07-02-2007, 04:16 PM	#1 (permalink)
mobiusmorte MCB Member Join Date: Apr 2007 Location: Tampa, FL	SMG-68, HPA or CO2? Any other advice? I've recently purchased a SMG-68 (Thanks Jester!) And was wondering before I air it up the first time, will I have any issues using HPA instead of CO2? I prefer to use HPA for several reasons, (cleanliness and availabilty primarily) and I can't think of why this would be a problem but I figured it is best to ask. Also, since this will be my 1st SMG in 20 plus years does anyone have any hints or tips to help me out? I used to have a SMG-62 but gave it away to a friend in 89, I was tired of the hassle to get paint for it and my Apex (I still own the Apex it is one of the 1st two Airpower ever made, a buddy of mine has the other one) was just too sweet, plus I could reload my stick feeder much quicker, and no worries of losing stripper clips. While I am rambling, I still have a dozen or so .62 stripper clips I rediscovered in my old gear case. If anyone wants 'em drop me a pm I am sure we can work something out. __________________ My curent collection: Apex, SMG-68, Vector, Classic Intimidator (x2), Clamshell Intimidator, Angel LCD, M98c, F-4 (x2), an F-2, Eagle .68, Shoebox Shocker, SFT Shocker, Ion, X-Blade Vengeance, e-Blade Vengeance, e-Blade Orracle, Mech Vengeance, Sydarm, Nova, SuperNova, .68 Special, M3 Dragun, Spyder Imagine, Tiberius T9, E-Mag, Pro-Lite, A5, NME LE, NME, Tactical Ion, Knoxx Pistol and a Knoxx Rifle 34 and growing.... Ted Stevens of Alaska, senior Republican on the Senate Appropriations Committee “I think we need to get people to understand that we’re at war.” http://www.mcarterbrown.com/forums/f...tml#post147894

07-02-2007, 04:46 PM	#2 (permalink)
Chappy CC Team Chump Join Date: Apr 2006 Location: Phillipsburg, NJ	HPA will yield low fps and horrible shootdown. There just isn't enough volume in the airlines. Liquid CO2 is how these beasts run best. __________________ My Feedback: http://www.mcarterbrown.com/forums/s...3932#post13932 "They wouldn't pay me more to bury you rich than to bury you poor." Soundgarden

07-02-2007, 06:27 PM	#3 (permalink)
mobiusmorte MCB Member Join Date: Apr 2007 Location: Tampa, FL	Thank you, so now I suppose I need to get a siphon tank, since all of my CO2 tanks do not have that... __________________ My curent collection: Apex, SMG-68, Vector, Classic Intimidator (x2), Clamshell Intimidator, Angel LCD, M98c, F-4 (x2), an F-2, Eagle .68, Shoebox Shocker, SFT Shocker, Ion, X-Blade Vengeance, e-Blade Vengeance, e-Blade Orracle, Mech Vengeance, Sydarm, Nova, SuperNova, .68 Special, M3 Dragun, Spyder Imagine, Tiberius T9, E-Mag, Pro-Lite, A5, NME LE, NME, Tactical Ion, Knoxx Pistol and a Knoxx Rifle 34 and growing.... Ted Stevens of Alaska, senior Republican on the Senate Appropriations Committee “I think we need to get people to understand that we’re at war.” http://www.mcarterbrown.com/forums/f...tml#post147894

07-02-2007, 07:32 PM	#5 (permalink)
angelpena Fair Weather Moderator Join Date: Apr 2006 Location: ABQ, NM	they are easy enuff to make, need tips pm me __________________ Looks like I picked the wrong week to quit gun whorring...

07-03-2007, 12:32 AM	#6 (permalink)
mobiusmorte MCB Member Join Date: Apr 2007 Location: Tampa, FL	Thanks guys, I do appreciate the info and help. Titus, definitely let me know if you have a pre-assembled siphon tank, would prefer that over modding one of my old tanks. I know it can be done quite easily, but for some reason, despite how much I love to fiddle with my guns I have never felt comfortable messing around with CO2 or HPA tanks... Angelpena, If I do end up having to do it myself, I will most assuredly take you up on your offer of tips... __________________ My curent collection: Apex, SMG-68, Vector, Classic Intimidator (x2), Clamshell Intimidator, Angel LCD, M98c, F-4 (x2), an F-2, Eagle .68, Shoebox Shocker, SFT Shocker, Ion, X-Blade Vengeance, e-Blade Vengeance, e-Blade Orracle, Mech Vengeance, Sydarm, Nova, SuperNova, .68 Special, M3 Dragun, Spyder Imagine, Tiberius T9, E-Mag, Pro-Lite, A5, NME LE, NME, Tactical Ion, Knoxx Pistol and a Knoxx Rifle 34 and growing.... Ted Stevens of Alaska, senior Republican on the Senate Appropriations Committee “I think we need to get people to understand that we’re at war.” http://www.mcarterbrown.com/forums/f...tml#post147894

07-03-2007, 06:01 AM	#7 (permalink)
sdlm Active Member Join Date: May 2007	I thought the valve in that thing was like my .68 special. I used to run mine @ 1200psi out from my AA Raptor Rex with no issue. I mean, I can only shoot maybe 6-7bps on it but I don't have shootdown. Has anyone tried an SMG at a higher tank output pressure?

07-03-2007, 07:24 AM	#8 (permalink)
HP_Lovecraft MCB Member Join Date: Aug 2006 Location: Southern Maine	There was some debate if the SMG-68 came with a siphon originally, but I was just reading through the manual at VintageRex, and it says the siphon was an "option" originally. There were also different spring sets for "winter" (5lbs), "summer", (4lbs) and "pre 88" (2.5lbs). So, if you can use a 800psi HPA tank without mod probobly depends on what configuration the SMiG came from the factory with. You might be able to work with the 800psi HPA by shiming the stock spring. Though, if you can get a siphon, that would be the most fun. nick __________________ www.montneel.com My Myspace nonsense "the evidence strongly suggests that neither Billy nor Adam (Smart Parts) could have invented the electronic paintgun" -Garr M. King, U.S. Judge

07-03-2007, 09:41 AM	#9 (permalink)
Chachi MCB Member Join Date: Jul 2006 Location: The Nasti Natti	Don't forget... to add an AA Intimidator to that after getting the siphon tank

07-03-2007, 09:52 AM	#10 (permalink)
Azzy Mod-O-Rator Join Date: Mar 2006 Location: Finleyville, PA	And CO2 usually comes from the same places that they fill soda machines... so you can toss the cleanliness thing out the window Just saying. Go liquid and have fun shooting in humid climates! Woot, smoke screen! __________________ Bryan "Azzy" Spiegel Riverside Renegade Paintball / C.C. S.V.S. Plankowner - LPPC#6 "It is my right to be uncommon—if I can. I seek opportunity—not security. I do not wish to be a kept citizen, humbled and dulled by having the state look after me. I want to take the calculated risk; to dream and to build, to fail and to succeed. I refuse to barter incentive for a dole. I prefer the challenges of life to the guaranteed existence; the thrill of fulfillment to the stale calm of utopia. I will not trade freedom for beneficence nor my dignity for a handout. I will never cower before any master nor bend to any threat. It is my heritage to stand erect, proud and unafraid; to think and act for myself, enjoy the benefit of my creations and to face the world boldly and say, “This I have done.” - Dean Alfange

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