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Old 09-19-2003, 06:30 PM   #1
amzng_spyderman
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adjusting your regulators made easy

sweetspotting your inline regulator

what is sweetspotting?

a cocker's sweetspot is the point of input pressure that allows for the highest velocity. too much pressure from the inline reg will hold the valve closed, resulting in low velocity. if the reg is set too low there won't be enough pressure to propel the ball at the desired speed. the sweetspot can be altered by changing the valve spring, main spring, and hammer.

how do i sweetspot my reg?

this is a fairly simple process that shouldn't take very long. you'll need a chronograph (or a very keen eye), paint that matches your barrel, a tool to adjust your reg, a 3/16 hex key for your ivg, and possibly a spring kit. follow these steps to sweetspot your reg:

1) back your ivg out so it's flush with the back of the body.
2) a) if you have a gauge, set your pressure to 400 psi.
b) if not, keep your pressure where it is.
3) a) shoot a few shots over the chrono. your velocity is likely quite low. turn down your pressure with a quarter turn of the reg's adjustment screw.
b) before you backed your ivg out you were probably shooting at about 280 (or whatever your field's limit is). with your ivg out your velocity will be much lower. turn up your pressure with a quarter turn of the reg's adjustment screw.
4) a) shoot a few shots over the chrono again. see a difference? your velocity should have gone up.
b) shoot a few shots over the chrono again. your velocity should go up.
5) repeat steps 3 and 4 until you notice that your velocity goes down from the previous velocity (which you should remember) after you turned up your pressure.
6) turn down your reg by 1/8 of a turn.
7) chrono.
8) a) if your velocity is higher than the one you were supposed to remember, turn up your pressure with 1/16 of a turn.
b) if it's lower, turn down your pressure by 1/16 of a turn.
9) chrono.
10) a) if your velocity went down, turn down your pressure with 1/16 of a turn.
b) if your velocity went down, turn up your pressure with 1/16 of a turn.

by now you should have found your sweetspot. chances are your actual velocity is too low. you'll need to set your velocity with the ivg.
setting velocity this is pretty simple. remove the cocking rod from the hammer and take it out of your cocker. you'll se a hexagonal hole where the rod used to be. insert a 3/16 hex key into the hole and turn it clockwise to turn the velocity up or counter-clockwise to turn the velocity down. don't turn in the ivg more than 3/4". if your velocity is still to low, switch out your valve spring for a lighter one or your main spring for a heavier one and re-sweetspot.

adjusting your lpr to its best setting

this is very simple if you have an externally adjustable reg. this "sweetspot" is the lowest point of pressure your cocker will operate at correctly.

1) turn down the lpr as low as it will go.
2) attach an air source to your marker.
3) fire your marker once.
4) turn up your pressure with a quarter turn of the knob.
5) fire again. your marker probably won't cycle properly.
6) repeat steps 4 and 5 until your cocker recocks properly, it pumps fast enough to keep up with your finger, the bolt clears the chamber (look through the feed tube to see), and the 3 way seals.

if you have a stock lpr, adjust your lpr through the air fitting that connects it to the front block by removing it and using a screwdriver to turn the screw inside (in lowers pressure, out raises pressure). if you change your main spring you'll need to do this again.
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Last edited by amzng_spyderman : 11-04-2003 at 04:13 PM.
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Old 09-19-2003, 07:21 PM   #2
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Nice post spyderman.
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Old 09-19-2003, 08:42 PM   #3
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Just a tiny addition that not everyone might realize, "changing the mainspring" as stated in the last sentence of the adjusting the lpr portion also includes any adjustment to the IVG.
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Old 09-19-2003, 08:55 PM   #4
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Quote:
Originally posted by Aglar
Just a tiny addition that not everyone might realize, "changing the mainspring" as stated in the last sentence of the adjusting the lpr portion also includes any adjustment to the IVG.
No it doesnt, you have to have your ivg flush with the body to set the reg then after you have it set you screw in the ivg to your desired velocity
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Old 09-20-2003, 06:23 AM   #5
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you mean you'd have to adjust your lpr after changing the position of the ivg? not really. only if you turn the ivg way in will it change the tension to the point that you'd have to turn up your lpr's pressure.
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Old 09-20-2003, 07:06 AM   #6
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Old 09-20-2003, 07:41 AM   #7
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Very nice spyderman, I'm going to come straight here when my cocker arrives. Also, may sound newbish, but how exactly does the marker benefit from sweet spotting the reg?
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Old 09-20-2003, 08:07 AM   #8
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By sweetspotting the regulator, you get a more consistant and efficient burst of air through the valve. What this ultimately leads to is better shot-to-shot velocity and better efficiency.
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Old 09-20-2003, 08:09 AM   #9
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the sweetspot is the most efficient point a cocker can operate at. also, sweetspotting will solve most velocity problems (this includes changing springs, of course).
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Old 09-20-2003, 09:47 AM   #10
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Alot of benefits for a little bit of time...that might be the first thing I do when my cocker comes...after marveling at the beauty
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Old 09-20-2003, 07:21 PM   #11
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a thing to mention is that the stock regulatoris a pain in the ***** to sweetspot.
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Old 10-16-2003, 03:12 PM   #12
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where is the adjustment screw?
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Old 10-16-2003, 06:32 PM   #13
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To get to the adjustment screw on a stock reg, you must unscrew the macro fitting.
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Old 10-16-2003, 06:36 PM   #14
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all in all i think you can some up sweet spotting with that new windows xp comercial phrase " doing more with less"


i say just put it in the mega sticky,

oh wait, it is....my bad

Last edited by p8ntfreak98 : 10-16-2003 at 06:38 PM.
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Old 10-16-2003, 06:41 PM   #15
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Quote:
all in all i think you can some up sweet spotting with that new windows xp comercial phrase " doing more with less"
huh?
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It really sucks, my parents think paintball is an evil and worthless "game," so I can not get any aftermarket parts
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Old 10-16-2003, 08:54 PM   #16
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THanks amzng_spyderman! I thank you and the fools that I gogged thank you the most!

This solves my gun's velocity spikes.
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Old 12-22-2003, 04:40 AM   #17
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I'm so confused. So by starting and 400 psi and working down how does that make the fps go up. I thought that to sweet spot you were suppose to start with 0 psi and work up til the shots start going down. Could you clarify this for me.
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Old 12-22-2003, 04:49 AM   #18
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Quote:
Originally posted by chibissj
I'm so confused. So by starting and 400 psi and working down how does that make the fps go up. I thought that to sweet spot you were suppose to start with 0 psi and work up til the shots start going down. Could you clarify this for me.
Starting at 400 PSI and working down makes the velocity go up because at 400 PSI the valve is shutting prematurely. It's not getting used to its full potential since that 400 PSI is keeping it closed more than is needed. Once you start lowering the PSI, there is less pressure on the side of the valve opposite the hammer. The less pressure allows the hammer to open the valve more. Although, there is a point where the velocity starts to go down after a certain point. This is where the hammer opens the valve fully (or at the optimum position/I'm not quite sure if it's completely open), but the low PSI starts to decrease velocity. Also, this is where the sweet-spotting comes in.

EDIT: It doesn't really matter if you start at 400 or 0 PSI.
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Last edited by nole16k : 12-22-2003 at 04:53 AM.
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Old 12-22-2003, 12:03 PM   #19
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Now that this thread has come up again, I was wondering if somebody could answer something for me. I have an Orracle w/ a tickler reg. If I was looking at the gun as if the barrel was shooting me in the head ()
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Old 12-22-2003, 12:20 PM   #20
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Quote:
Originally posted by FlameboyC11
Now that this thread has come up again, I was wondering if somebody could answer something for me. I have an Orracle w/ a tickler reg. If I was looking at the gun as if the barrel was shooting me in the head ()
And your question is...?
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