Need help deciding on a pump
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jackssmirkingrevenge
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See if you can find some 6mm tube first instead of 6.5, the one I use is 6mm I/D 7mm O/D
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Gun Freak
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Where do you get that? I couldn't find any on ebay, it was all jewelry making crap lol
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jackssmirkingrevenge
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I get mine from the local RC/hobby store, they stock brass and aluminum tubing in various sizes. The problem with purchasing in the US is that it might not be metric.
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Gun Freak
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That's ok, I'll just bring a bb to test, and 6mm in inches is .23622, so like a .24" barrel would be good if I can sleeve it. If it cannot be sleeved inside 7.14 mm then I can't use it unless I build an entire new front.
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One man's trash is a true Spudder's treasure!
Golf Ball Cannon "Superna" ■ M16 BBMG ■ Pengun ■ Hammer Valve Airsoft Sniper ■ High Pressure .22 Coax
Holy Shat!
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Gun Freak
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Ok guys, I just came across these little 2 stage hand pumps, any experience with them? They have a high volume setting then a high pressure setting so I think they might fit my purpose, and they also have good reviews.
http://www.amazon.com/Blackburn-Mammoth ... d_sbs_sg_5
http://www.amazon.com/Blackburn-Mammoth ... d_sbs_sg_5
OG Anti-Hybrid
One man's trash is a true Spudder's treasure!
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One man's trash is a true Spudder's treasure!
Golf Ball Cannon "Superna" ■ M16 BBMG ■ Pengun ■ Hammer Valve Airsoft Sniper ■ High Pressure .22 Coax
Holy Shat!
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Gun Freak
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Thats what I've been putting in my tank for my bbmg and it seems to be working fine... but I've also been looking at these Lezyne hand pumps that are CNC machined and can get up to 160 psi for about 35-40 bucks.
OG Anti-Hybrid
One man's trash is a true Spudder's treasure!
Golf Ball Cannon "Superna" ■ M16 BBMG ■ Pengun ■ Hammer Valve Airsoft Sniper ■ High Pressure .22 Coax
Holy Shat!
One man's trash is a true Spudder's treasure!
Golf Ball Cannon "Superna" ■ M16 BBMG ■ Pengun ■ Hammer Valve Airsoft Sniper ■ High Pressure .22 Coax
Holy Shat!
Ugh, hand pumps.
Perhaps you could have a stirrup pump and a hand pump, preferentially using the stirrup pump, but using the hand-pump when you can't afford to set down.
Perhaps you could have a stirrup pump and a hand pump, preferentially using the stirrup pump, but using the hand-pump when you can't afford to set down.
Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety. -Benjamin Franklin
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Gun Freak
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Yeah but a stirrup pump is too big to carry around, otherwise I would just carry around my backpack and we wouldn't be having this conversation 
OG Anti-Hybrid
One man's trash is a true Spudder's treasure!
Golf Ball Cannon "Superna" ■ M16 BBMG ■ Pengun ■ Hammer Valve Airsoft Sniper ■ High Pressure .22 Coax
Holy Shat!
One man's trash is a true Spudder's treasure!
Golf Ball Cannon "Superna" ■ M16 BBMG ■ Pengun ■ Hammer Valve Airsoft Sniper ■ High Pressure .22 Coax
Holy Shat!
in general, the higher a pump can reach, the less volume it moves per stroke.
Similarly, the higher the advertised pressure, the less force required to reach a given pressure below that.
Similarly, the higher the advertised pressure, the less force required to reach a given pressure below that.
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FighterAce
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I have a military bergan and loads of those D attachment points along the sides and on the straps. What I'm planning to do is lock the pump with 2 carabinas through the D attachment points and loops on the pump to the side of the bergan. I still havent completely finished my pump tho.. so it might just go in the ice axe attachment...Gun Freak wrote:Yeah but a stirrup pump is too big to carry around, otherwise I would just carry around my backpack and we wouldn't be having this conversation
Another thing you can do is use O rings instead of PTFE and take the pump apart for storage.