GTA
All Springer/NP/PCP Air Gun Discussion General => PCP/CO2/HPA Air Gun Gates "The Darkside" => Topic started by: Trondyne on May 30, 2015, 05:33:48 PM
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Hey folks,
I am back into PCP land... I used to own an FX stage 3 hand pump, but it was stolen.... That is the only pump I ever used so my experience is limited.... I never had any trouble using it and it was pretty easy to pump...
So now I am shopping for another hand pump and I am seeing lots of people who are saying the Benjamin is garbage... But it's way less expensive than an FX or Hill...
I did see a video of someone who had to put their entire body weight on a pump--200+ pounds to top off, I think it was an Airforce, but I hear that is the same pump as the Benjamin which I also hear is just another Chinese &^^& pump..
Sooo, should I bite the bullet and buy another FX or is the Benjamin going to be good enough..? I would like a pump that will do at least 3000 psi and more -- up to 4500 is better...
Thanks
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AV g6 is a ok pump that will go to 4500.
You don't have to be 200 pounds to pump up to 3000psi.
Carbon fiber 4500psi tank in 75-100 cubic foot is only way to go if your going to shoot a lot 😃
Benjamin pump I had after we found out foster fitting was plugged up, opened it up and it pumped just fine up to 3000psi, maybe a lil better than the g6 (faster).
If on budget i think Walmart online had em for $125
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AV g6 is a ok pump that will go to 4500.
You don't have to be 200 pounds to pump up to 3000psi.
Carbon fiber 4500psi tank in 75-100 cubic foot is only way to go if your going to shoot a lot 😃
Benjamin pump I had after we found out foster fitting was plugged up, opened it up and it pumped just fine up to 3000psi, maybe a lil better than the g6 (faster).
If on budget i think Walmart online had em for $125
So you found the Benjamin to be of decent quality?
Cheapest price new for those now is around $147
Having used the FX I am worried that I might be spoiled.... I am over 200 but the sight of that guy balancing himself on his AirForce pump to get the last inch of stroke out of that pump was just too much... :o
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Get a HILL and never look back !
You'll get what you pay for, the pump is one thing I wouldn't cheap out on.
I'm 150-155 pounds and have been pumping big guns for years, ...tedious ? Yes.
...hard ? not even.
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+1 Hill
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I have the hill and have not had any issues.
I chose that one because of reviews and they did not have the other one I was looking at in stock.
My hill pumps fills my 500cc Sumatra up without a problem.
Hope this helps.
Dave
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Get a HILL and never look back !
You'll get what you pay for, the pump is one thing I wouldn't cheap out on.
I'm 150-155 pounds and have been pumping big guns for years, ...tedious ? Yes.
...hard ? not even.
+1 I bought a benji pump and it died 2 weeks into using it and I babied it because of the reports for the pump and it still quit fast. I replaced it with a hill and it never gave me any trouble. I agree with Manny pumping isnt hard its just time consuming compared to how fast you can use up the available air for the string.
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+1 I bought a benji pump and it died 2 weeks into using it and I babied it because of the reports for the pump and it still quit fast. I replaced it with a hill and it never gave me any trouble. I agree with Manny pumping isnt hard its just time consuming compared to how fast you can use up the available air for the string.
Well some pumps make it look hard... And if the Airforce pump is the same as the Benjamin then that's sad... These days there are just too many companies selling junk.... it's the corporate way!
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These are the pumps I’ve had (went tank-free about 2005).
FX (first generation…think they called that one the vari-pump or versa-pump…whatever, was the first model of FX). Great pump. Would still be using it if it hadn’t taken a 10 foot salt water bath and 10 hours of boat-riding corrosion.
2 Hill pumps. Both still in use, both 2nd generation (currently pumps are 3rd generation). More complicated than some, do need a rebuild every few years (depends on how often they’re used), but are pretty easy to re-build and generally rugged.
Chinese pump (from Flying Dragons). Has only been about a year, but it got used quite a bit and hasn’t given me any problems. Does move a bit less air pre stroke than the Hill or FX so have to put in more strokes to get to the same place. SEEMS easy to rebuild, comes with spares/tooling/instructions, it just hasn’t needed one yet.
Discovery pump. Bought new, died the first week. Might just have been really bad QC. Got “store credit” , added more $, which is why I have two Hill pumps.
Couple of questions:
1. How large a volume do you need to fill (the volume of the air tube/tank)?
2. What do you need to fill to 4500psi?
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I also have a Hill, and have not one complaint about it. Buy once cry once is what they say...yes, it's expensive but it's nice to know that there are going to be plenty of parts available for anything that could possibly happen.
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Couple of questions:
1. How large a volume do you need to fill (the volume of the air tube/tank)?
2. What do you need to fill to 4500psi?
Well these things could change.. For now just the small size of the TalonP tank, which was always quick to refill from 2000 to 3000... But I may get a Ninja Tank to keep as a reserve...or I may get a second TalonP tank...
I really liked my FX pump except for the flimsy stand... I got it at a great price but sadly someone stole it and got it for FREE... :(
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I've got the Benjamin pump. It came with my Marauder as a bundle deal from Pyramyd Air. It works fine. The fill hose is a bit too short though. I give the shaft a little silicone grease every so often just as a preventative measure. Added a desiccant filter & a longer fill hose to it.
I'd heard good things about the Hill MK4, so I ordered two of them. One for my dad & one for me. One thing to note: they (MK4) don't come with the quick disconnect coupling, at least not from PA. You need to order that piece also.
https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501 (https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501)
https://www.pyramydair.com/product/air-venturi-foster-female-quick-disconnect-to-1-8-bspp-male-5000-psi?a=4926 (https://www.pyramydair.com/product/air-venturi-foster-female-quick-disconnect-to-1-8-bspp-male-5000-psi?a=4926)
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I'd heard good things about the Hill MK4, so I ordered two of them. One for my dad & one for me. One thing to note: they (MK4) don't come with the quick disconnect coupling, at least not from PA. You need to order that piece also.
https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501 (https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501)
https://www.pyramydair.com/product/air-venturi-foster-female-quick-disconnect-to-1-8-bspp-male-5000-psi?a=4926 (https://www.pyramydair.com/product/air-venturi-foster-female-quick-disconnect-to-1-8-bspp-male-5000-psi?a=4926)
The mk4 with the AV foster fitting is the exact setup I use as well - no complaints here!
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I'd heard good things about the Hill MK4, so I ordered two of them. One for my dad & one for me. One thing to note: they (MK4) don't come with the quick disconnect coupling, at least not from PA. You need to order that piece also.
https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501 (https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501)
https://www.pyramydair.com/product/air-venturi-foster-female-quick-disconnect-to-1-8-bspp-male-5000-psi?a=4926 (https://www.pyramydair.com/product/air-venturi-foster-female-quick-disconnect-to-1-8-bspp-male-5000-psi?a=4926)
Good, another positive review.
The mk4 with the AV foster fitting is the exact setup I use as well - no complaints here!
Good, another positive review. If the Hill pump works out just fine, I may sell my Benjamin.
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I'd heard good things about the Hill MK4, so I ordered two of them. One for my dad & one for me. One thing to note: they (MK4) don't come with the quick disconnect coupling, at least not from PA. You need to order that piece also.
https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501 (https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501)
https://www.pyramydair.com/product/air-venturi-foster-female-quick-disconnect-to-1-8-bspp-male-5000-psi?a=4926 (https://www.pyramydair.com/product/air-venturi-foster-female-quick-disconnect-to-1-8-bspp-male-5000-psi?a=4926)
Good, another positive review.
The mk4 with the AV foster fitting is the exact setup I use as well - no complaints here!
Good, another positive review. If the Hill pump works out just fine, I may sell my Benjamin.
Chalk up another happy customer using the Hill Mk4 with the AV fitting.
I was fortunate enough to be able to buy a MK4 reconditioned from PA which they no longer carry.
I cannot tell it from new and it works great.
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Similar to Steve I was able to buy a refurbished Hill from PA. I've been very happy with my MK III.
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I've had the fd pump (from flying dragon) for a while and had really good luck with it. For another 90$ or so you could get another pcp with it :)
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I have the Benj pump. I've been filling a 1701P for about a month, filling up to 2900 psi 1 to 3 times a day. So far it is holding up. I figure that I will get the Hill pump eventually. In the meantime I will likely have to rebuild the Benji.
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Inertia is your friend in pump land. Don't just use your weight, use your weight plus momentum.
Drop it like it's hot, as the kids say.
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Inertia is your friend in pump land. Don't just use your weight, use your weight plus momentum.
Drop it like it's hot, as the kids say.
Wait, what? That technique of yours may need a little more explanation for me. (I figure I may be a few fries short of a Happy Meal.) Hee hee
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Inertia is your friend in pump land. Don't just use your weight, use your weight plus momentum.
Drop it like it's hot, as the kids say.
Wait, what? That technique of yours may need a little more explanation for me. (I figure I may be a few fries short of a Happy Meal.) Hee hee
You want one smooth stroke from top to bottom. The last little bit at the bottom of the stroke is very hard if you are not already moving. And that is where the compressed bit of air gets pushed into your gun.
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Delwood, I kinda thought that is what you meant. I have been pumping bicycle tires for about 40 years and don't really think about it any more. But, yes, that is what I do. In fact my Judy knows when I am airing up the Discovery (upstairs), because she hears the 'klunk' at the top of the stroke and the 'pfssss - klunk' at the bottom. "One smooth stroke."
Thanks for clearing that up.
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Having owned both a Benjamin and a Flying Dragon pump, without a doubt I would say the Flying Dragon is more reliable. I had one and used it heavily for a year and it never gave me any trouble. All I did was apply some silicone oil from time to time. I ended up giving it to my uncle. In its place I began using a Benjamin pump and let's just say I am now more familiar with the internals of a pump, lubricants, and O-ring materials than I ever wanted to be.
This isn't just my anecdotal experience. From what I've read, the overwhelming majority of owners of both pumps say the same things.
With that said, I've been wanting a Hill and finally ordered one a few days ago and it arrived today. I took one of my rifles up to 3000psi with it and it just inspires confidence with the fit and finish and how smoothly it operates. That's the way to go if you're serious about the hobby, otherwise I have no reservations about recommending the FD pump.
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Before foster fitting on Benjamin pump was fixed, it take over 200lbs person to pump it.
After fix I could do it. I have lost 30 pounds since last year and im 150 now.
It does take a technic to pump up a gun. Something about bending knees and an advanced skill on pumping is the best. Throw the dern thing in trash can and buy a 75-100 cubic foot 4500psi tank and never look back.
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Having owned both a Benjamin and a Flying Dragon pump, without a doubt I would say the Flying Dragon is more reliable. I had one and used it heavily for a year and it never gave me any trouble. All I did was apply some silicone oil from time to time. I ended up giving it to my uncle. In its place I began using a Benjamin pump and let's just say I am now more familiar with the internals of a pump, lubricants, and O-ring materials than I ever wanted to be.
This isn't just my anecdotal experience. From what I've read, the overwhelming majority of owners of both pumps say the same things.
With that said, I've been wanting a Hill and finally ordered one a few days ago and it arrived today. I took one of my rifles up to 3000psi with it and it just inspires confidence with the fit and finish and how smoothly it operates. That's the way to go if you're serious about the hobby, otherwise I have no reservations about recommending the FD pump.
Yeah, I got my new Hill pump yesterday too. Assembly was very easy & you could see how well the fit & finish was. Only problem, I forgot to order the Foster connection & it'll be here on Saturday according to tracking. Between the Hill & my SCBA tank, air shouldn't be an issue. Anyone looking for a well maintained used Benjamin with desiccant kit?
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Been reading up on the pumps... I understand the Hill Mk4 has a plastic base? Held on with a plastic nut? Is this correct?
I also have heard that the rebuild kits are not yet available for the MK4?
As well as hearing from some that the Mk4s are not as reliable as the Mk3s?
If any of this is true I might opt for the FX pump....or some other option... I saw someone mentioned a Flying Dragon pump? Never heard of that one... Must look into...
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Yes, it does have a plastic base, held on by a plastic nut. But the plastic is solid & seems durable. According to Pyramyd Air's site, there are rebuild kits available.
https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501 (https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501)
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I have the FX stage 3. I like it.
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Yes, it does have a plastic base, held on by a plastic nut. But the plastic is solid & seems durable. According to Pyramyd Air's site, there are rebuild kits available.
https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501 (https://www.pyramydair.com/product/air-venturi-mk4-kit-by-hill-hand-pump-up-to-4500-psi?a=5501)
Thanks for that.. The whole friggen planet is going plastic.... :-\ I saw a couple of reviews saying they liked the mk3 better, some probs with the base coming loose, inconsistent air volume... I dunno..
I looked at the Flying Dragons pump.. It looks like the Air Venturi pump.... ? Rated up to 4500--nice but no option for an air desiccant filter it seems.
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I have the FX stage 3. I like it.
I liked the one I had too.... Wish it wasn't stolen... %$#%@#$!
Only thing I didn't like was the framed out stand which seemed to bend or round out with use... I wish these companies wouldn't worry about spending an extra 50 cents or rather earning an extra 50 cents and worry more about better quality...
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You might ask Manny (Nomadic Pirate) about the MK4. I'm pretty sure he has one & uses it exclusively to fill his PCPs. As for the plastic issue, I wouldn't worry about it. It's appears to be pretty robust in build.
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;D ;D Manny is a fit 150lb package and when he isn't surfing he tends bar so we can't equate him to average what he considers easy makes me sweat and he also walks up and down mountains hunting wild pigs I prefer my Freedom 8 and my guppy tank and keep the Hill pump for emergency's only
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I was referring to his opinion of performance of the pump. Not human physique.
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I looked at the Flying Dragons pump... Rated up to 4500--nice but no option for an air desiccant filter it seems.
The intake is up top via the [hollow] handle. Stuff it with desiccant or do what I did (http://www.gatewaytoairguns.org/GTA/index.php?topic=42922.msg401185#msg401185).
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I was referring to his opinion of performance of the pump. Not human physique.
Yeah, I'm sure it's a good pump, I just HATE plastic and I hate seeing companies moving to plastic.. Although, I hear God is coming out with plastic trees soon so... :o ::) :P
I am considering the Hill, the FX and the FD.. The last two don't generally offer air desiccant options (although I think the FX has a two stage water remover?) and, I think, the FX doesn't come with the female foster quick connect... Too many variables and too much junk out there...
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I looked at the Flying Dragons pump... Rated up to 4500--nice but no option for an air desiccant filter it seems.
The intake is up top via the [hollow] handle. Stuff it with desiccant or do what I did (http://www.gatewaytoairguns.org/GTA/index.php?topic=42922.msg401185#msg401185).
I saw that DIY filter before.. Was that your invention?
How is the pumping on that compared to others?
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It's based on one done by GTA member tenring.
The FD pump is easier to pump but does not move as much air as the Benjamin per stroke. I'd say it all comes out in a wash; it takes about an equal amount of effort to fill a rifle with either one, it's just a matter of putting in a few extra strokes with the FD versus grunting at the bottom of the stroke with the Benjamin :)
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It's based on one done by GTA member tenring.
The FD pump is easier to pump but does not move as much air as the Benjamin per stroke. I'd say it all comes out in a wash; it takes about an equal amount of effort to fill a rifle with either one, it's just a matter of putting in a few extra strokes with the FD versus grunting at the bottom of the stroke with the Benjamin :)
Ok thanks... I think it's just going to come out to how much money I feel like spending in about a week... The pump with the strongest overall constituency appeals to me...
If I ever get the time I'd like to have a go at building a motorized driver for a hand pump... It looks like a fun build and I think it would be a very practical complete home fill solution if done right..
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Been reading up on the pumps... I understand the Hill Mk4 has a plastic base? Held on with a plastic nut? Is this correct?
I also have heard that the rebuild kits are not yet available for the MK4?
As well as hearing from some that the Mk4s are not as reliable as the Mk3s?
If any of this is true I might opt for the FX pump....or some other option... I saw someone mentioned a Flying Dragon pump? Never heard of that one... Must look into...
Incorrect !!
The plastic base is actually far more comfortable than the MK III steel base,.....it actually slides over the main body and it's super solid, I had four MK IIIs and now a MK IIII
The MK IIII is more refined in the overall build and easier to take apart.
I had 2 FX pumps in the past and I don't think they can touch the HILL
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It's based on one done by GTA member tenring.
The FD pump is easier to pump but does not move as much air as the Benjamin per stroke. I'd say it all comes out in a wash; it takes about an equal amount of effort to fill a rifle with either one, it's just a matter of putting in a few extra strokes with the FD versus grunting at the bottom of the stroke with the Benjamin :)
Because it would seem the Benji is designed to be all done at 2Kpsi while the Hill and others designed to go beyond that pressure to 3 or 4K psi. The Hill and higher pressure pumps have been designed to provide less resistance to pumping at higher pressures in lieu of volume output per stroke. Sort of like having lower gears ( numerically higher ) in a car or bicycle. Takes more RPM ( strokes ) to go the same distance but greater mechanical leverage is the advantage gained.
456 gears in my 9" with a spool = wheels up launches!
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Not sure where you get the idea that the Benjamin is only meant for 2000psi. The specs clearly state it is meant to work up to 3600psi. I've used my Benjamin to fill PCPs up to 3000psi with no problem at all.
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Not sure where you get the idea that the Benjamin is only meant for 2000psi. The specs clearly state it is meant to work up to 3600psi. I've used my Benjamin to fill PCPs up to 3000psi with no problem at all.
Ok that's good to know. I am not aware of the Benji pump specs.
I don't know for sure because I don't own one but I believe based on what I've read here, the Benjamin pump moves more air per pump than a Hill. Is that correct?
I didn't mean to say I thought the benji was limited to 2k. I was under the impression it gets to 2K faster than a Hill. I would imagine ( again I don't own one so can't say ) if it moves more air per pump, it should also be more difficult to pump than a Hill as pressures increase. That's the analogy I was trying to draw with gearing.
My thought was if you are a PCP manufacturer like Crosman and you sell primarily 2 PCP guns and the recommended max fill pressure is 2k on one and 3k on the other, you might engineer the pump that you sell with those guns to be optimized for those fill pressures so the user gets there faster. Maybe that's not the case.
Perhaps somebody else with more experience with both Hill and Benji or others can corroborate my theory but when I read about having to put all your weight on the pump and being a 200lb guy to reach your fill pressures, that had me thinking that way. I have absolutely nothing remotely close to that much resistance at 2800psi with my Hill which is as far as I've taken my Disco.
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Perhaps somebody else with more experience with both Hill and Benji or others can corroborate my theory but when I read about having to put all your weight on the pump and being a 200lb guy to reach your fill pressures, that had me thinking that way. I have absolutely nothing remotely close to that much resistance at 2800psi with my Hill which is as far as I've taken my Disco.
I currently have a Hill mkIII pump and previous to that I had borrowed a friends Benjamin pump. I'm 5'6" and about 160#. While I don't currently need to pump to 200 bar / 2,900 psi (I've determined 175 bar is preferable for my PCPs' performance), I did pump this high in the beginning. I would estimate that the Hill was roughly 25% easier to complete the stroke when getting up to these pressures. Between the two pumps the Hill is the better of the two but each one was perfectly usable IMHO.
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For what it's worth, I felt no perceptible difference in the amount of effort needed to cycle the Hill MK3 at 3000psi than the Benjamin.
As far as comparing how much air they each compress per stroke, I think the Hill has a little advantage. I just got the Hill and it seems like it took my 13ci tank from 2300 to 3000 on 50 strokes and I was accustomed to more like 65 strokes with the Benji. Those are just rough numbers based on casual observance. I wasn't trying to characterize them at the time. I may look at that more closely this weekend.
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Got my Hill MK4 last week & the Foster QD fitting a few days later. I've used it a half a dozen times & I have to say that it is really well made, smooth & easy to use pump. Seems to well worth the money.
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I have both a Benjamin and a Hill pump. I've rebuilt both and lets just say I'm glad I have a Hill!
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I just received my Flying Dragons pump and am wondering if I use it inside an air-conditioned home with low humidity do I need to add a filter, Should I make a filter just to be safe? Does most of the moisture end up in the gun or stay in the pump?
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Have it and not need it - or - NEED it and not have it?
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I guess that's the best way to look at it Mike. I will make one just to be safe and because I like to build things but meanwhile it wont hurt my gun/ninja tank to fill it 5 or 10 times with no filter will it? I am assuming there are a ton of people that buy a gun and pump and just use it without stressing the moisture so I think ill be okay. Just never hurts to ask is all.
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It is a little different down here. Our humidity and temperature are usually about the same this time of year - like 90º F and 90% humidity. I do pump upstairs most of the time because it is somewhat dryer up there. I don't remember EVER pumping outdoors.
Good luck with the project and good shooting.
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I'd use the hand pump indoors with the air conditioning until you have the desiccant filter installed. You can always vent off your pump after reaching the half way point of your fill to vent off any moisture build up just to be safe. No point in adding moisture to the rifle's air cylinder if you don't have to. Doubtful there will be much, if any in an air conditioned environment. But for your own peace of mind, the choice is yours.
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Thanks guys, I won't worry for the time being. I'll fashion up my own filter using nervoustrigger's guide this week sometime.
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Something I noticed with my brother's MK4, when pumping outside in very high humidity, I noticed a little moisture coming out of the pump when releasing pressure after pumping. Pump has desiccant filter on it, still fairly new. So in very high humidity the filter will not catch all the moisture passing through it. I also noticed the little black ring of grease at the bottom of the pump shaft turned a kind of muddy brown looking, a sign of moisture in the pump and found some slight pitting where the water beads sat on the outer shaft when it was not being used. When I noticed the water beads on the shaft I tore it apart cleaned and re-lubed it, works fine, back to the black ring of grease around the base of pump shaft.
Something you might want to keep an eye on when pumping in humid conditions.
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Get a HILL and never look back !
You'll get what you pay for, the pump is one thing I wouldn't cheap out on.
I'm 150-155 pounds and have been pumping big guns for years, ...tedious ? Yes.
...hard ? not even.
i completely agree on quality... and take care of it.. just because it's good, doesn't mean you don't have to do your part too.
Aloha... 8)
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I found that pumping indoors in ac still produced moisture in my rifles, and after seeing what the moisture can do to the rifles innards I went with a scuba tank filled with dry air. Would like to have a carbon tank, but they're outside my budget at this time, and I only fill my Marauder to 2600 psi so the scuba tank does ok for now. Refills on scuba are $5 in Nashville at Island Hoppers. Cheap insurance and I'm not pumping anymore. 60 years old with a bad back.
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I picked up a few things to build a filter and most of it I had lying around the shop, I could not find a felt washer anywhere but did pick up a rubber washer 1" OD 1/4" ID, will this work to seal my pump handle to the tube? I haven't used the pump yet but did test it with the test plug and all is well should I put some of the maintenance grease on it now or wait until it gets squeaky?
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A rubber washer will do nicely to seal the handle to the tube.
As for lubricating the pump, I would go ahead and put 3 or 4 drops of silicone oil in the inlet while the handle is off. It's also a good idea to extend the handle and wipe the exposed surface clean with a paper towel and, using your finger, wipe a thin layer of silicone oil onto it. Easy does it; any excess will squeegee off after a couple of strokes. Having done this, you'll have a baseline on how it should feel and can therefore recognize when it needs relubricating. It won't squeak when the surfaces get dry or contaminated, it will just get harder to pump.
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Will do thanks Jason! My QB w/ ninja tank will be here Wednesday, will the Flying Dragon pump fit directly onto the ninja tank or do I need to buy an adapter? I am a super noob when it comes to pcp's. :o
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will the silicone compression chamber oil I have for springers work?
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The FD pump comes with a Foster fitting so it will connect directly to a paintball tank like the Ninja.
"Silicone compression chamber oil" is the RWS stuff? Yes, it will work fine. If you ever need to buy more, just get 30W silicone oil and pocket the difference.
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Ok, thanks again and everybody for all their help.
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Got a filter made up today for a grand total of $6. Thank you to nervoustrigger and tenring for both their how to's. It was quick and easy to make just gotta wait for my desiccant to get here and ill try it out.
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It is air tight for now, though don't know for how long. I may find some way to seal around both holes in the bottle or find a bottle like nervoustriggers so I only have to make 1 hole. Either way it won't hurt to try it.
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Small bead of the industrial silicone will do the trick, stuff is durable and sticks to anything.
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I bought a Hill MK3 from Airgun Depot last January, and it wound up having serious corrosion issues. Hill stayed with it and finally got it fixed, but I had to buy a backup pump in the meantime. The one I bought was a Huben from Mrodair.com for $199 shipped. Huben has a new semi-auto airgun that is supposed to go all the way to 5000 psi, and this pump is supposed to get it there.
So far, I am very pleased with the pump. It is lighter than the Hill, so I do not know if that will translate into durability issues, but I do not think that it will. Seems to be well made and has features that the MK3 does not, like foldable foot rests, a tube lock feature, a long flexible micro-bore hose, what I believe are stainless steel tubes, and a large gauge that glows in the dark when charged with a flashlight beam. All I can say is that, knowing what I know now, this is the pump that I would have bought. This pump has a bit of a longer stroke than the Hill, though, so if it is desirable to extend it all the way with every stroke, then this may be an issue with someone shorter than I - 5'9".
Good luck with your choice.
Jere
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I own the Hill and the FX, both current models. Both are extremely high-quality and function flawlessly.
The four-stage FX is handy for pumping to very high pressure (such as the 250 BAR my Cricket can take).
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The four-stage FX is handy for pumping to very high pressure (such as the 250 BAR my Cricket can take).
What's it like pumping to those kinds of pressures?
Jere
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The four-stage FX is handy for pumping to very high pressure (such as the 250 BAR my Cricket can take).
What's it like pumping to those kinds of pressures?
Jere
Not terrible. I do 50 strokes, then rest 5 minutes (which lets the pump cool off too), then 50 more till done. You develop a technique using your body weight and it's not that bad. I'm not a big guy - 175 lb.
The 30 FPE .22s are no big deal to do. The Cricket is a lot more strokes, but it is incredibly efficient. I get something like 60 shots from 230 BAR down to 130 (I actually only pump it to 230 now as I've heard going higher gives a bit less efficiency anyway). This is shooting 25.4 gr JSBs at 950 FPS. I think it is around 180 strokes from 130 to 230.
If I shot every day this would get old but as it is I shoot more like once or twice a week.