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Old 12-23-2012, 11:19 PM #1
ryanhall41
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v2 vic low velocity problem (I know, another one)

I know that this seems to be a common problem but I cant figure it out. My v2 vic is shooting around 270 with paint that will roll out of the barrel but just barely, I cant get into the 290 range unless I underbore which would usually be ok but I have a tourny next weekend and I dont want to underbore in the cold for obvious reasons. I could be wrong but shouldn't this thing get wel above 300 fps?

things I have done and checked for:

relubed everything
replace the outer orings
set my pressures (200 and 80
raised my hpr pressure
raised my lpr pressure
and I have the brown donut

anything else I should do? could a setting in the board like dwell be causing the low velocity? how can I factory reset the board (stock board) or where can I find the stock settings?

thanks
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Old 12-23-2012, 11:30 PM #2
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Quote:
Originally Posted by ryanhall41 View Post
I know that this seems to be a common problem but I cant figure it out. My v2 vic is shooting around 270 with paint that will roll out of the barrel but just barely, I cant get into the 290 range unless I underbore which would usually be ok but I have a tourny next weekend and I dont want to underbore in the cold for obvious reasons. I could be wrong but shouldn't this thing get wel above 300 fps?

things I have done and checked for:

relubed everything
replace the outer orings
set my pressures (200 and 80
raised my hpr pressure
raised my lpr pressure
and I have the brown donut

anything else I should do? could a setting in the board like dwell be causing the low velocity? how can I factory reset the board (stock board) or where can I find the stock settings?

thanks
go to blast's site for the manual. it should tell you how to reset the board. your dwell could be low. also try a fresh battery
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Old 12-24-2012, 08:23 PM #3
ryanhall41
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ok here is an update, I tried:

brand new battery
bored paint with freak kit (ball wont roll out of the insert)
reset the board (dwell at 6 like the manual says it should be)
I adjusted the hpr pressure from 150-300 psi with little to no velocity improvement at all
I adjusted the lpr from 60 to 80 (It wont go any higher than 83 or so psi, should it?)

I can get it to spike at 290 but the velocity will vary from 200-290 in the same string of paint and I know that paint is good and consistent because I shot it last weekend
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Old 12-24-2012, 11:38 PM #4
xeese
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Back the adjustment out on your LPR. Set your HPR to 190, then set your LPR to 75-80. If you have the stock gauges, set it for 80.

When you had the LPR disassembled - did you get the two balls back in place in the correct order?

Is there any unusual wear on engine components?
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Old 12-25-2012, 12:49 AM #5
ryanhall41
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Quote:
Originally Posted by xeese View Post
Back the adjustment out on your LPR. Set your HPR to 190, then set your LPR to 75-80. If you have the stock gauges, set it for 80.

When you had the LPR disassembled - did you get the two balls back in place in the correct order?

Is there any unusual wear on engine components?
I got it working now I think. I replaced every oring in the marker and now the lpr will adjust up to about 100 psi. I am able to get the gun to shoot about 300 fps with correctly bored paint but it wont go any higher. Should it be able to or is that about the max?

I go the gun into chrono range and then turned down the lpr until the velocity started to become affected and then back up just a little and when I checked with my pressure tester, I was right at 80 psi. The hpr seems to have a sweetspot like a cocker at ~200 psi. at 80psi and 200psi with bored paint I can shoot 280 and I can get the gun up to about 300 fps by raising the hpr but then the velocity starts to drop and become extremely in consistent. Is this normal?

The only thing that I did different with the lpr is flip the disk that the bearing push against because one side of it had an indent where the ball was pushing against is and I changed the oring on the piston.

I am happy shooting to velocity with bored paint because that is how I normal have my gun set up but when it gets cold like it is now I dont like to bored my paint as close to help avoid barrel breaks and most other guns have no problems shooting 350+ fps so is it normal for a vic to not have as much adjustment range (like 250 fps-295fps) or not?
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Old 12-25-2012, 01:40 PM #6
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The Victory is very tight on air usage. It was the first marker getting over a case of paint off a 68/4500. Part of this efficiency was only having the needed volume of air to propel the paintball through a decent matched barrel. As a result, overboring tends to cause problems with maintaining velocity.

With the LPR I have seen times when someone torqued the adjustment screw an insane amount and essentially wedged the balls. Wedgies and ballas are never a good thing.

The other thing I have seen a few times is someone having a tweaked ram shaft that is no longer completely straight. This was pretty rare and usually involved it getting dropped/smacked/abused when the engine was disassembled. This caused extra drag and lower velocity. The one that I saw with this problem specifically was a couple months ago and he couldn't chrono over 270. Rolling the shaft along a flat surface and watching from the side may show if there is a bend or wobble in the shaft.
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Old 12-26-2012, 02:12 AM #7
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Glad you got it running, the lpr should deff go over 80psi, though we run all our victorys and marqs 65-75psi. you should never have to do 80psi on the victory to shoot 300fps.
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Old 01-14-2013, 04:57 PM #8
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subscribed for further reference cuz I'm battling this same beast...just havent figured it out yet...
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Old 01-14-2013, 05:02 PM #9
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replace the orings on the bottom of the engine with new 6's. In some cases, you can try 7's.

Also, check the donut for lube. Clean it off if it has any on it. Make sure you have a fresh battery. Set your pressures to 80-200. Dwell 6

Good paint to bore match.

Should work like a charm.
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Old 01-14-2013, 05:03 PM #10
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If it doesn't, you might need a replacement blast guide as suggested by Xeese.
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Old 01-25-2013, 01:59 AM #11
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Quote:
Originally Posted by xeese View Post
The Victory is very tight on air usage. It was the first marker getting over a case of paint off a 68/4500.
Maybe the first Bob Long marker to get over a case off a 68/4500? Every Merlin I've owned has gotten over a case when properly timed, with my Vikings/Excals coming in very close to that.
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Old 01-25-2013, 09:18 AM #12
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Originally Posted by minimag03 View Post
Maybe the first Bob Long marker to get over a case off a 68/4500? Every Merlin I've owned has gotten over a case when properly timed, with my Vikings/Excals coming in very close to that.
are those made by Bob Long?
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Old 01-25-2013, 09:50 AM #13
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Quote:
Originally Posted by StyngRay2 View Post
are those made by Bob Long?
It's pretty obvious by my post that it's not made by Bob Long.
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