help! max velocity of 220fps

Tippmann A5 @2months old

 

Help a noob out,

    I just recently switched from CO2 to compressed air tank. I purchased a Pure Energy 68/4500 high pressure tank and on a remote line. My problem is with the new tank the max velocity i can get is about 210-220 fps.  Keeping everything the same and putting the co2 tank on it shoots 290-300.  I have tried 2 different compressed air tanks and both are shooting exactly the same.

My question is wtf am i doing wrong?  Are there more parts i need to purchase to run on compressed air? 

All internals of the gun are original and the only custom work i have done was removing the cyclone feed and switching to a qloader( i love it).  If you need any more info or pics i will be more than happy to send/post em.  Going crazy trying to figure this out

Velocity screw almost all the way in, all the way out, in the middle. only makes about +-10 fps difference

can adjust it just fine with co2 in, but for some reason the adjustments make no difference with the nitro tank hooked up

Edited by 80deuce - 25 July 2006 at 7:16pm

sometimes the tanks used to fill hpa tanks aren't actually high enough pressure themselves to fill n2 tanks resulting in "cheap fill." get your tank filled back up and (assuming it has a working guage) see if the pressure is actually anywhere near 4000. i had the same problem when my proshop was filling mine to a measley 2500-3000... on a 68-4500 as well.

80deuce wrote: Tippmann A5 @2months old Help a noob out,     I just recently switched from CO2 to compressed air tank. I purchased a Pure Energy 68/4500 high pressure tank and on a remote line. My problem is with the new tank the max velocity i can get is about 210-220 fps.  Keeping everything the same and putting the co2 tank on it shoots 290-300.  I have tried 2 different compressed air tanks and both are shooting exactly the same. My question is wtf am i doing wrong?  Are there more parts i need to purchase to run on compressed air?  All internals of the gun are original and the only custom work i have done was removing the cyclone feed and switching to a qloader( i love it).  If you need any more info or pics i will be more than happy to send/post em.  Going crazy trying to figure this out

There is a fix that involves grind away a lip around the hole in the face of the tombstone. It was posted about 2-3 weeks ago.

Okay, I found it...just for you.

FIXED ! LOW VELOCITY PROB A5 MUST READ!!!

 

PM your direct email to me, not the forum email, and I'll forward the pictures Rick sent to me.

Edited by Bruce A. Frank - 25 July 2006 at 10:28pm

80deuce wrote: was kind of hoping i wouldnt have to grind away any part of my gun to switch over to compressed air, but ill check it out. thanks

Then send it back to Tippmann with a full explanation and see if they can fix it!

RavenGuard wrote: get a maddman spring kit.

Yes, that is probably the first best solution. Don't revert to grinding until after you find if a stronger spring could fix the problem.

Your remote line was probably the problem there is a post on pbnation about the same kind of problem with the remote line starving the gun some remote lines work better with co2 than compressed air reasons for this are many try a 32 degrees thats what I run with never had a problem. Try getting one without a slide check I have heard that this feature tends to starve a gun unless your running a LPK