FEP OT Techpb style
Posted 21 April 2010 - 12:10 AM
Bronc’s Bolt Pin Mod:
It's just a simple tape mod for your bolt pin.. After experimenting he was able to reduce about 1/3 of the overall volume in the dump chamber without any effect on his HPR pressure or velocity.
It changed the sound signature a bit to; people told him it started to sound like a Marq. Weird
The right way to do it would be to start at the rear of the dump chamber and wrap tape about 2/3 of the way up towards the o-ring. Then put another roll next to it and go up about 1/3 of the way up. That's it.
Of course tape isn't exact science, but his new kit will have a different size dump chamber and be more efficient out of the box.
Basically, the dump chamber holds A LOT more air then it really needs to shoot the gun, so I started working on reducing the volume. The results were amazing!
Normal: 2000psi from a 45ci/4500psi tank gets 3 pods
Mod: 1200psi from a 45ci/4500psi tank gets 3 pods.
Just electrical tape, but it's a smaller size then the normal black stuff. See, start at the back of the dump chamber. Go 2/3 of the way up, and then make another roll about 1/4 the way up. Lube and go back and shoot.
The key to test this:
Shoot your gun normally over a chrono at 285fps. Add the tape. Shoot it over the chrono again. If the velocity stays the same, you're good to go. If it drops, you put on a little too much tape. You can obviously experiment with adding more or less and raising or lower the pressure to your liking.
Posted 22 April 2010 - 06:59 PM
Won't know till it's actually released. He does have a facebook page for FEP where you can get updates on what's going on with the New FEP.
Posted 25 April 2010 - 09:29 PM
Nice...maybe I'll do that too...so what did you notice after the bolt pin mod?
Posted 26 April 2010 - 11:24 PM
or just click on this link: http://www.techpb.co...opic=86040&st=0
This post has been edited by OOG671: 27 April 2010 - 01:23 AM
Posted 29 April 2010 - 04:18 PM
So Bronc, what will happen to the FEP facebook page? Will that get shut down and TAS will make one?
Awaiting the kit with great anticipation. Keep up the FEP love!
Hey OO and cesar...are you guys on the 'nation? or are you only on here?
Posted 29 April 2010 - 04:50 PM
Posted 24 May 2010 - 10:56 PM
Posted 29 May 2010 - 09:41 PM
Posted 29 May 2010 - 10:54 PM
and congrats i have mine set up 2 different ways lp and a hp one and i do prefer the lp one not realy sure why thoough
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