shiftysgarand
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Post by shiftysgarand on Dec 8, 2013 17:11:50 GMT -5
How do people keep gas guns (Marushin M1) working in winter? CplMills, do you have any experience?
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Post by CPL. Mills 2nd Rangers on Dec 8, 2013 21:36:31 GMT -5
I've tried using those handwarmers you get at the store, and a cheap battery powered warmer but each of those options did not work. Primarily because they both were partly powered by human warmth. So they did not work. I am still looking for a method to keep the gun warm in the winter.
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shiftysgarand
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Post by shiftysgarand on Dec 9, 2013 16:44:16 GMT -5
Would heating just the bottle be sufficient? Does anyone know?
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Post by brownien on Dec 9, 2013 17:59:45 GMT -5
I think that trying to heat the gas resivoir wont work too well. Cool off between shots will cause temp spikes which will make everything even more inconsistant. I would either try to make the resivoir vastly larger (ie remote line & tank) or try to use a gas that will have the same pressure output as propane does at 70'F but at 30'F.
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shiftysgarand
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Post by shiftysgarand on Dec 9, 2013 18:33:36 GMT -5
Yeah, I was originally thinking of using R410A (the refrigerant some people's houses are hooked up to) but then I discovered Guarder Power Up Gas, which apparently is 220 psi at 70F, maybe about 100 psi at 30'F?
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roma
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Post by roma on Dec 10, 2013 3:46:48 GMT -5
My expirience in using Marushin garand in winter is very simple: 1. Turn off blowback 2. Carry gas bottle on your chest under your jacket. 3. Charge the gas into your rifle right before fighting starts. We had many cold weather events. It works.
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shiftysgarand
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Post by shiftysgarand on Dec 10, 2013 15:45:10 GMT -5
So just put the gas bottle against your chest? That works? I should trust you, it gets to like -40 in Russia lol.
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stuka
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Post by stuka on Dec 11, 2013 10:23:36 GMT -5
only in certain parts lol.
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roma
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Post by roma on Dec 11, 2013 10:58:30 GMT -5
So just put the gas bottle against your chest? That works? I should trust you, it gets to like -40 in Russia lol. Yes, it works. Usualy we do 24 hours events, even in winter, but not below -20C at night
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ScottCollins
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Post by ScottCollins on Dec 11, 2013 16:55:15 GMT -5
Roma do you have a closer picture of those guns? The one on the far left looks like a 1917 enfield
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shiftysgarand
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Post by shiftysgarand on Dec 11, 2013 18:14:12 GMT -5
It's a No4 I think but roma made a M1917 Enfield. Does it work reasonably well with blowback?
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Post by CPL. Mills 2nd Rangers on Dec 11, 2013 19:57:56 GMT -5
How do you turn off the blowback?
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Post by shiftysgarand on Dec 11, 2013 20:21:38 GMT -5
1. Break down into the 3 basic groups. 2. Unscrew charging handle screw. 3. Remove charging handle. 4. Remove 4 allen screws around base of upper receiver. 5. Pull off receiver. 6. Pull out blowback pin (pin on right side) 7. Reassemble without replacing blowback pin
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roma
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Post by roma on Dec 12, 2013 1:29:37 GMT -5
Roma do you have a closer picture of those guns? The one on the far left looks like a 1917 enfield No, they are Enfield No4 both made by myself for our russian "tommies"
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roma
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Post by roma on Dec 12, 2013 1:33:21 GMT -5
It's a No4 I think but roma made a M1917 Enfield. Does it work reasonably well with blowback? No, a lot of troubles with blowback under the temperature 0 C, even with "winter" gas.
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shiftysgarand
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Post by shiftysgarand on Dec 12, 2013 15:24:38 GMT -5
Winter gas is weaker than propane, right? So if I use green/top/propane gas it should work better, right? Or have you tried it with propane?
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roma
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Post by roma on Dec 12, 2013 16:05:05 GMT -5
Usualy I use top green gas. I tried to use winter gas, it works more stable but yes, it is weaker than green/red gas. Better to use them, but keep them warm.
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shiftysgarand
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Post by shiftysgarand on Dec 12, 2013 17:09:45 GMT -5
Have you used green gas in winter w/ blowback? If so, how did that turn out?
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roma
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Post by roma on Dec 13, 2013 1:52:00 GMT -5
Have you used green gas in winter w/ blowback? If so, how did that turn out? See my first post here. Blowback in winter is unusable at least for Marushin Garand.
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Post by halfnelson on Dec 13, 2013 7:11:41 GMT -5
Also keep in mind that aluminium/monkey metal etc. gets very fragile when temperatures get too low (around freezing). That's one of the reasons a plastic nozzle is better for gas/CO2 guns than a aluminium one for example. I wouldn't want to risk shattering or at least cracking the bolt when using blow-back in colder climates.
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shiftysgarand
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Post by shiftysgarand on Dec 13, 2013 15:33:44 GMT -5
It's a No4 I think but roma made a M1917 Enfield. Does it work reasonably well with blowback? No, a lot of troubles with blowback under the temperature 0 C, even with "winter" gas. Yes, I'm being stubborn, but I want to know this. Does it have reduced efficiency or not fire at all? I don't object to having non-blowback, I just think blowback is cooler.
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Post by brownien on Dec 13, 2013 17:43:29 GMT -5
Although blowback is cooler, having blowback is actually COOLER! Lol using the extra gas in the blowback mech will drop the resivoir temp faster than without it, and judging by the amount of gas it blows out, I would imagine it uses more per shot than actually firing the bb. If I can find some clips! (Doubt it) I'll be using my m1 at the event but minus the blowback
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Post by shiftysgarand on Dec 13, 2013 17:53:34 GMT -5
I thought you were going with an HPA rig? Since HPA is never in a gaseous state, it is temperature-independent. No luck with War4 with the clips?
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2nd Bat
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Post by 2nd Bat on Dec 13, 2013 18:45:40 GMT -5
Blow back is a huge energy drain and one of the key reasons the Marushin Garand is so chronically problematic. The coolness factor of course is way up but along with it comes the irritation/ frustration factor. Add in cold frigid conditions and you are really taxing the system. You will still need to deal with the normal challenges of keeping track of clips, clumsily reloading and gassing up regularly although without blow back you should get way more rounds out of a single gas charge (i would think?). how many marushin airsoft clips do you realistically think a Marushin rifleman should have? How many do you actually have? if you're my team mate and are out of action every 40 rounds or so I am going to get frustrated even in a period event I would think.
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roma
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Post by roma on Dec 14, 2013 7:46:36 GMT -5
No, a lot of troubles with blowback under the temperature 0 C, even with "winter" gas. Yes, I'm being stubborn, but I want to know this. Does it have reduced efficiency or not fire at all? I don't object to having non-blowback, I just think blowback is cooler. It depends on several factors but the main is outside air temperature. It could not work at all.
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shiftysgarand
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Post by shiftysgarand on Dec 14, 2013 12:26:21 GMT -5
How powerful a gas do you think I'll need to run it? I know I'm in denial here but I saw this video of a guy in Scotland using a WE M14 with propylene in it when there was snow on the ground and it worked fine. If I kept a bottle of that stuff (about 20 psi more than propane) under my jacket, you think it'd work?
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Post by CPL. Mills 2nd Rangers on Dec 14, 2013 12:32:46 GMT -5
how many marushin airsoft clips do you realistically think a Marushin rifleman should have? How many do you actually have? if you're my team mate and are out of action every 40 rounds or so I am going to get frustrated even in a period event I would think. I carry 10 clips, I used to have 11 but I lost one. In all the times I've used the Garand I've only blown through all my clips once and that was in a last stand scenario. I would love to get another 10 to fill a bandolier. One of the biggest advantages of the Marushin M1 is that you don't have to blast a million rounds to hit your target. Granted I've never used the rifle in winter, but in summer games the rifle shoots pretty damn strait. Most events I've been to have had between 10-20 Krauts, That would be 8-4 rounds per German and if you cant hit what your aiming at with 8-4 rounds you should consider using a different gun. I've only had it happen a handful of times that I survived an entire scenario, so in those times I'm waiting at respawn I've reloaded my clips.
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2nd Bat
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Post by 2nd Bat on Dec 14, 2013 13:42:45 GMT -5
Realistically that is great insight and a good way to look at it. With the blowback turned off do you get more shots before needing to squeaze in more gas? In WW2 GIs were trained to fire only at identified targets. Once in theater the vets quickly taught the green troops to send rounds down range and use Recon by Fire. That is fire in the general direction and keep the enemies head down and suppressed. with airsoft typically that tactic is vastly over used. For that reason I love limited ammo and reduced use of full auto. The Marushin gas blow back in the hands of a skilled and qualified gunner is obviously about as realistic as it can get. I'm not anal enough or disciplined enough to join you in those ranks but AEGs on semi with very small mag capacity and limited ammo would get folks there where we'd like to see them.
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Post by newcomer on Dec 14, 2013 13:44:57 GMT -5
heh, with all this talk about the marushin garand it reminds me of the german tiger/panther tanks.
maintenance is a hassle, and reliability can be dubious, but when it works its a legend.
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shiftysgarand
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Post by shiftysgarand on Dec 14, 2013 14:17:50 GMT -5
Yes, when blowback is turned off you can easily empty all 10 clips, maybe more.
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