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Moisture in pre-charged airguns?


Jon-Boy
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hi Jon,

 

you may not notice any difference in shooting a rifle with moisture inside the resevoir, but IT WILL CAUSE CORROSION INSIDE!!!!!

 

if you are using a pump try to use one with the filters and every so offten breed the air out of the hose, you should see water vapor come out as well.

 

the best way to stop it is by using a divers bottle, i know not an option for many shooters but it really is the best way to ensure your kit stays in top condition.

 

i used to shoot an S200 using a 12Ltr 232 divers bottle and the bottle once charged would last approx 4 months would guess about 5,000 pellets (very rough guess) charge equipment cost me about £100.

 

 

hope this helps you out a little

 

ROB:)

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I had this problem becuase i have two prechared are rifles a airarms s410 and an airarms shamal that is fac, and with the shamal i had this problem because it is quiet an old gun and it is running 20ft lb and the guy said because the new valve was steel it had rusted quiet baddly so i had to replace it, i then sold my pump and my grandad sold me his old diving bottle which has a moisture trap on it so thats how i solved my problem.

Edited by hill billy
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Word of warning to ALL. The moisture traps DON'T get ALL the moisture out of the air. You do still get a small amount of moisture trapped in the air going into the bottle / chamber. Someone has mentioned on the forum already to bleed the bottle every now and then which i would recomend. The main problems associated with trapped water in the bottle / chamber are Rust on steel components AND fewer shots per fill when you get a larger amount of water in the bottle. Other effects can be vapour behind your pellets and if left in the barrel this also can cause rust. Bottles are quite easy to bleed with a spacer placed in the recharge adapter and when you screw the adapter onto the bottle it will slowly release the pressure while it is releasing the pressure invert the bottle untill the bottle is empty. Please use caution if you have not attempted this before. If you use the wrong size spacers in the adapter it COULD cause damage to the bottle AND the adapter as well as POSS injury so like i say PLEASE be careful if in doubt i have no doubt a local gun shop will be glad to help. The unfortunate part is the guns with built in air chambers are a LOT harder to bleed and will need some dissasembling of the gun.

 

 

Zeb

Edited by zebedee71
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if there is any moisture i should just bleed all excess air then leave in airing cupboard overnight or something?

 

Zebedee you should know me im pipsta from the talon owners group forum, thats if youre the same zebadee.

 

Ive given up on my stealth its just too inconsistant. This new air arms s200 is the nuts.

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I don't like the S200 i had a look over one in Bagnall and kirkwood in Newcastle and it was too flimsy for me. Plastic bolt and loose foregrip yeuch. I went for the Webley raider instead i got it today finally after more than 2 weeks fannying about and am REAL happy with it. I am after the new Logun Solo in the next few weeks also. That'll take my count upto 5 guns and i may want the new AGS PCR1 too yet depending on what info i can get on it. The Stealth is a reasonable gun for what i paid for it i bought it for the breakdown capability and to be honest i seem to be doing ok now the barrel was re-crowned and i had the new hammer and spring from Tim. Now grouping around 1.5" at 50 yards and about 3/4 at 30 so more than good enough for rabbits at 40 yards. However Not too good for pigeons unless it's a body shot which i don't like doing. Hence buying the Raider for Feathers it's a .177 and i am real pleased with it. I have a set of 4-16 x 50 paralax ajustables on the way for it so can't wait. The stealth took out a crow with a H&N field target trophy today in the back of the neck at 35 yards. Instant kill and a lifeless drop to the floor. :yp: What i REALLY want to get my mitts on is an old Sharp Innova. I had one years ago and like a fool i sold it when really i should have kept it. i could shoot a penny from a cane at 40 yards with it. Now THAT was a rifle of it's day.

 

The moisture situation!!!

I suppose the idea of leaving the bottle in an airing cupboard to dry it seems ok but really just letting the air blast it out should do ok too. I am dreading having to drain the Raider as it means a strip job :lol: not the nicest of things but it will eventually have to be done. I guess once every 3 month should do the trick or maybe if i look at the schematic of the rifle i may find i can simply invert the gun and fire an empty shot to see if any water vapour enters the barrel. If not it should be reasonably dry i would have thought. I am supprised the Manafacturers havn't incorperated a bleed system into most PCP guns all it would need is a small screw not much unlike the bleed screw on the stirup pumps to drain the vapour from the Gun now and then. But then again that would mean extra cost and no doubt some idiot would injure themself on it by loosening it too much and it firing out like a missile. :) Thems the breaks eh?????

 

Zeb

Edited by zebedee71
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used to have a MK1 S200 loved it to bits but sold it as was only used at the range then.

 

no problems at all :)

 

problem is now they found they had a decent poroduct and i think they made it cheaper to produce unfortunatly quality was compromised slightly (this is my personal opinion) as have heard a few things about cocking bols snapping and shootoing backwards, and have seen the little link onto the cocking bolt break (though this might have been an issue of heavy handling!)

 

but at a total cost of just over £400 for rifle scope mounts and pump i still think it is one of the best rifles on the market!

 

the reason i now shoot with a MK1 TX200 after first trying the MK3 brand new then the MK2 and the nicest of the lot is 15 year old MK1.

 

as for bleeding the bottle (resevoir) on the bottle have no idea about this, and a divers bottle should have near as perfect air in it as long as it is filled at a dive centre., as the air is breathing quality (they dont make any difference between airgun bottles and divers bottles)

 

this is oen of the reasons i have gone back to the trusty springers LOL no worries about pumps shots per charge or water vapor LOL a wipe with an oily rag is good for 1000's of shots PML though the elbow does suffer just a little PML

 

ROB :lol:

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Was a Mark 2

 

Like i say my first impression wasn't good NO gun and i mean NOOOOO gun should have plastic components for what you pay. The Webley Raider has a nice metal bolt and a solid stock too as i say i am real pleased with my choice. As i say my next is the Logun Solo i am steering well clear of the s200. As for using a divers bottle for refilling!! That should cut the risk of moisture to a minimum if not stop it. Is is predominantly the Stirup pumps causing the trouble. They get hot while in use and of course condesation builds up and is transfered in to the bottles and rifles. Even with the water trap there is still moisture IN the air as it fills. The same as ANY compressor they ALL have bleed valves for a reason!!!!. Like i say it may be a good idea to have a bleed valve of some sort in the Bottle or Gun it'self?:)?:lol:

 

Zeb

Edited by zebedee71
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Im not aware of any plastic components on my s200

The Mk2 S200 has a plastic bolt / filler cap / muzzle weight and "barrel support". Possibly other bits too. I use the inverted commas as it's really a stock support from the barrel as the stock requires the support and the barrel does not. Many people replace these items with custom metal parts and end up paying S400 money for their S200! It's still a fantastically accurate gun but as others I don't like the feel of it.

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forgot those bits, you would have a hard job gluing metal to wood though for the barrel support.

 

the air tank cap - who cares its just a cap, keeps the weight down

 

muzzel end - i use a silencer so its not on there

 

plastic bolt - it does the job

 

remember its the accuracy that counts and for the price its a bloody good gun

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Each to their own i guess LOL. The raider was the same price and i dont need to change any plastic parts from the start so as i say i am VERY happy. I am not doubting the gun is accurate or you find it superb what i am saying is MY personal first impression wasn't good. As i say each person likes different things or this would be a boring world :)

 

Zeb

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well the solo will be added to my cabinet in the next 2 weeks and i was also looking at the new AGS PCR1 But as to date no details have emerged on the said rifle. Once i know what i am dealing with i may be tempted but until i get to know who supplies the barrels and if the parts are readily available for it i aint gonna buy. My Raider was £245 on the nose and the Logun Solo is £299. the AGS PCR1 is £245 also

 

Zeb

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