Click Here for AirGunHome.com Main Page AirGunHome.com: THE Worldwide Airgun Forum

Air Gun Home Forum Index » Airgun Smithing » high power HPA Goto page Previous  1, 2, 3, 4    View previous topic :: View next topic    Posted: Tue Jun 02, 2009 6:32 pm turtlemann14 Member Joined: 26 May 2009 Posts: 37 Location: West Virginia should be about 613 pounds of force driving the nail (2.5 inch piston) little over a quarter ton _________________ if it doesn't move at first, get a bigger hammer   Posted: Tue Jun 02, 2009 6:38 pm fritz Silver Status Member Joined: 25 Nov 2008 Posts: 2442 Location: New Jersey- outside of Philadelphia HEHE, put a nailgun setup on a barrel... Watch some .22 EJ's go super sonic... _________________ "I never set out to be wierd, it was always everyone else who called me it" -Frank Zappa Speed is impressive, accuracy is deadly. It's not that I'm not a people person, it's just that I'm not a stupid people person.   Posted: Tue Jun 02, 2009 6:46 pm turtlemann14 Member Joined: 26 May 2009 Posts: 37 Location: West Virginia that is basically what i am doing, but the piston is not in contact with the pellet (i don't think the piston is moving that fast, that is just the force it puts out) _________________ if it doesn't move at first, get a bigger hammer   Posted: Tue Jun 02, 2009 6:48 pm dummyracer36 Senior Member Joined: 21 Sep 2008 Posts: 723 Location: St. Louis, Missouri the problem with the "nailgun with a barrel" idea is mainly that the nails are not driven directly by air. the air drives a ram, which is basically what he drew on the old school paper. the principles of driving a cushion of air versus driving a nail are going to be DRASTICALLY different. just try to drive that nail with a blast of air without the ram. from what i can gather from his drawing and description, he's basically re-inventing the gas ram spring gun. instead of the gas ram being a closed unit, hes hooking it up to an air compressor. _________________ "not tonight dear, i have a race in the morning"   Posted: Tue Jun 02, 2009 6:52 pm turtlemann14 Member Joined: 26 May 2009 Posts: 37 Location: West Virginia the other end in the "ram" would be used to compress air it would not touch the pellet and yes, the gas spring kinda sounds like it would be close _________________ if it doesn't move at first, get a bigger hammer   Posted: Wed Jun 03, 2009 6:15 am fritz Silver Status Member Joined: 25 Nov 2008 Posts: 2442 Location: New Jersey- outside of Philadelphia Doesn't that just waste air? Because it's taking its energy into the machine that has friction so some energy is lost before it hits the pellet. Why not just hook up the air to a valve with a hammer setup? But that would really just be airguns now. What were we trying to make in the first place? _________________ "I never set out to be wierd, it was always everyone else who called me it" -Frank Zappa Speed is impressive, accuracy is deadly. It's not that I'm not a people person, it's just that I'm not a stupid people person.   Posted: Wed Jun 03, 2009 4:25 pm turtlemann14 Member Joined: 26 May 2009 Posts: 37 Location: West Virginia yea, i am probably going to have a valve after the compressor (air ram) because it woudl not build up fast enough to get full force behind the pellet (i think that is what you were basically saying) the friction would lower the pressure, but the momentum of the piston may build it back up i would probably have to have the air ram hit a valve at the end of its stroke so that it would have max pressure see, this is why i came here so you guys can point stuff out that i may over look. _________________ if it doesn't move at first, get a bigger hammer   Posted: Wed Jun 03, 2009 5:27 pm fritz Silver Status Member Joined: 25 Nov 2008 Posts: 2442 Location: New Jersey- outside of Philadelphia You could just reinvent the modern pcp gun... Schrader valve, hammer, spring, tank, barrel, breach, trigger. _________________ "I never set out to be wierd, it was always everyone else who called me it" -Frank Zappa Speed is impressive, accuracy is deadly. It's not that I'm not a people person, it's just that I'm not a stupid people person. high power HPA     Air Gun Home Forum Index » Airgun Smithing You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum All times are GMT - 5 Hours   Page 4 of 4   Goto page Previous  1, 2, 3, 4 All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First  Select a forum Main Forums----------------AirGunHome Q&AGeneral Air Gun Questions and TopicsPicture GalleryTarget Shooting: Casual, Fun and CompetitionHunting, Pest Control, Varminting People/Events/Airgun Issue Discussion----------------Introduce YourselfThe BS TopicClubs/Events/Regional/Political Airgun Issues Maintenance, Modification and Reviews----------------RiflesPistolsAntique, Collector and Novelty AirgunsBB GunsPellets/AmmoOpticsAccessoriesAirgun Smithing Buy, Sell or Trade Forums----------------For SaleWant to Buy   Note: If you are seeing "Please enter your username and password to log in." Your browser cookies have been reset or you need to register to access the topic in question. Use the 'Register' button near the top left of this page. Click Here for AirGunHome.com Main Page Powered by phpBB © 2001-2004 phpBB Group Partial Styling Supplied by Vjacheslav Trushkin Themes Database.