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HPA launcher making use of 200/300 bar handpumps?!??

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Unread postAuthor: Lockednloaded » Wed Jul 27, 2011 12:36 pm

JSR, isn't that just an HPA version of Davidvanini's preloaded BD cartridges? With Davidvanini's design you can get multiple shots per co2 capsule
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Unread postAuthor: jackssmirkingrevenge » Wed Jul 27, 2011 1:03 pm

Lockednloaded wrote:JSR, isn't that just an HPA version of Davidvanini's preloaded BD cartridges? With Davidvanini's design you can get multiple shots per co2 capsule


These? Yep, along those lines. It's also just a compact version of this beast ;)
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Unread postAuthor: Lockednloaded » Wed Jul 27, 2011 7:47 pm

Something along these lines aswell?

Image

All spare, I work fast :D
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Unread postAuthor: jackssmirkingrevenge » Wed Jul 27, 2011 11:59 pm

Lockednloaded wrote:Something along these lines as well?


... which is along the lines of this design I had recommended to you many months ago!

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:D :D :D

Fantastic! Did you just put that together? OMG HPA burst disk big bore, let's see it work!
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Unread postAuthor: Lockednloaded » Thu Jul 28, 2011 9:53 am

jackssmirkingrevenge wrote:
Lockednloaded wrote:Something along these lines as well?


... which is along the lines of this design I had recommended to you many months ago!

Image

:D :D :D

Fantastic! Did you just put that together? OMG HPA burst disk big bore, let's see it work!


I even have a tennis ball barrel for it :)

I did just put it together, it took about 10 minutes because the FE was already rigged and painted and the pressure washer already had the tank attachment. Now I have todo some maths to figure out shots per fill at x psi to fill the main chamber to y psi
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Unread postAuthor: urgle the danish cow » Thu Jul 28, 2011 9:59 am

also remember those hpa pumps for pcp pelet guns have funky fittings so you will need to get creative on attaching it too your gun
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Unread postAuthor: Lockednloaded » Thu Jul 28, 2011 10:11 am

They have 1/8" NPT outlets if you unscrew the QD, I use mine to fill my tank

EDIT:
My pressure washer just developed a leak, was it from over tightening?
ReEDIT:
The leak stopped :?

http://i906.photobucket.com/albums/ac26 ... 3e27b6.mp4

Tennis ball at 40psi
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Unread postAuthor: Crna Legija » Fri Jul 29, 2011 1:50 am

Lockednloaded wrote:EDIT:
My pressure washer just developed a leak, was it from over tightening?
ReEDIT:
The leak stopped :?



at work on Thursday i was reassembling a diaphragm pump and one of the input flanges was leaking so i tightened it a bit more and a bit more and it was still going, so i got a pipe and my best mate leverage to tighten it a bit to much and poped of the head of the bolt and at the same time the leak stopped lol so i just pushed it over and let it pump away :lol:
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