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Old 02-06-2007, 06:55 PM #1
fds (Banned)
 
 
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//// How to chrono your fusion ////

This is how to adjust you vlocity:

This is with the stock fuison

Ok first thing you need to do before airing you gun up is to set the regs.

There are two regs on the fusion.
1) HPR/OPR (as in manual)
2) LPR

I'm not going to get in how they effect the fusion and how the lpr converts the air and all that.

So here we go...

You need to bottom out both of your regs before airing the fusion up.

How do you do this?

Hold your fusion upside down so you can see the serial number (under the trigger guard) you will first set the HPR/OPR to 0 psi.

You do this by turning you adjustment screw clockwise so the adjustment screw is screwed in the whole way. Make sure you dont overtighten it just until you feel a little resistance and that should be good.

Now to make sure you have done this correctly look in the adjustment screw and make sure the adjustment screw is below the c clip. THis means that you have succesfully bottomed out the reg

Now for the LPR...

This reg is the reg that adjusts the fps on the fusion.

The LPR is located under the breech.

You once again turn the adjustment screw in, this is just like the hpr. As stated above turn it clockwise or in so its all the way in.

Now for setting your fusion up:

Now that you have bottomed out both regs now is the time to air up your gun.

Air up... pppppppppppssssssssssssshhhhhhhhhhhhh

your gauge above the hpr should read zero if it reads 600 its not my fault you are a newb and dont follow my directions.

anyways...

you should set your HPR to 230-250.

To do this you are going to want to turn your adjustment screw out or counter clockwise. You have to whatch your gauge do not let it go over 300psi. stop turning the adjustment screw out when the needle hits the line after 200 psi (this would be 250 psi the recomended pressure you should have your fusion at)

You have now set your HPR/OPR

Now for the LPR...

The gun should not cycle at this point (this would be a good time to turn your gun on )

Now make sure there is NO paint in your breech. turn your adjustment screw out or counter clockwise until the fusion fully cycles


Now head off to the chrono...

Keep on turning your adjutstment screw out until you reach your desired FPS.


All this for adjusting your fusion


THIS IS NOT AS HARD AS IT SOUNDS

*** your fusion will leak when setting the HPR and LPR this is just because there is not enough pressure in your gun to have the noid seal so just keep on turning up the presure to 250 not above***

If it leaks over 250 psi and your LPR is still bottomed out turn it up and it should stop after a turn or two. If it dosn't youve got a problem. I'll get up a leak guid when i feel like it.



I am not responsiable for any damage to your fusion
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Old 02-06-2007, 08:20 PM #2
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Old 02-06-2007, 08:27 PM #3
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that is what i was aiming for

thanks
FDS
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Old 02-07-2007, 09:38 AM #4
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I'm curious where you came up with this procedure.
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Old 02-07-2007, 10:29 AM #5
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i added a link to here in the faq

not sure if this warrants its own sticky
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Old 02-07-2007, 07:45 PM #6
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Originally Posted by Auctionjunkie! View Post
I'm curious where you came up with this procedure.
Dan
it the only thing that has worked for me succesfully. I always tried to turn it up a little to get some pressure in the gun when it gets aired up it allways goes to 300+ so i stoped that after a couple of times.

If you follow these directions you wont overpressurize your gun and wont blow you noid and will avoid a world of problems with your fusion.
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Old 02-07-2007, 08:20 PM #7
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Old 02-07-2007, 09:00 PM #8
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this would have helped when i had my fusion

so sticky it
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Old 02-07-2007, 09:09 PM #9
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i was just thinking that

its in the FAQ in the stickys FYI
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Old 02-07-2007, 09:10 PM #10
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Old 02-08-2007, 09:50 AM #11
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Quote:
Originally Posted by fds View Post
it the only thing that has worked for me succesfully. I always tried to turn it up a little to get some pressure in the gun when it gets aired up it allways goes to 300+ so i stoped that after a couple of times.

If you follow these directions you wont overpressurize your gun and wont blow you noid and will avoid a world of problems with your fusion.
Theoretically you should be able to set your regs and leave them. If they change their set point upon being aired up then there's something wrong with the reg. It should hit the same set point every time the air into the gun is cycled. Other wise the consistency of the reg output won't be there and the chance of drop off/shootdown will be there.

Another point is that the LPR should be consistent and the velocity should be adjusted by the HPR. If the LPR is low then the chance of FSDO and drop off/shootdown is pretty great. With a consistent LPR the bolt is always moving at the rate so kick/recoil should be about the same regardless of the velocity.

Oh and I added your first post text to the FAQ so it is all in one place and easier to read.

I'm interested in these guns on a couple of different levels. I'm thinking of carrying them in my store, and making new LPR's for them.

Dan
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Old 02-08-2007, 10:24 AM #12
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^ I would tend to agree ... set the LPR to 55-65 psi and adjust the HPR for velocity. Thats the way you do it for Timmys, Egos, etc .. dont know why it would be different here. Would just prefer to use a gauge to set the LPR
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Old 02-08-2007, 06:13 PM #13
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You could always do that i would prefer to do this i cant think of any resons why it would be better or worst so whatever floats your boat
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Old 02-08-2007, 06:15 PM #14
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Originally Posted by Auctionjunkie! View Post
Another point is that the LPR should be consistent and the velocity should be adjusted by the HPR
I listned to someone who said the same exact thing and lets just say that did not work one bit.

the fps is adjusted throught the LPR

just curious do you have a fusion?
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Old 02-08-2007, 07:52 PM #15
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Quote:
Originally Posted by fds View Post
I listned to someone who said the same exact thing and lets just say that did not work one bit.

the fps is adjusted throught the LPR

just curious do you have a fusion?
Not yet, but as I said I'm thinking of carrying them in my retail store and possibly producing an aftermarket LPR for them. I can forsee possible problems with adjsting the FPS via the LPR. Nothing that would harm the marker but performance on the field.
FYI I'm not flaming or trolling in any manner. As an Admin on this site I don't do nor allow such behavior. I am very interested in this line of markers for the resaons stated above.
Thanks, Dan
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Old 02-08-2007, 08:02 PM #16
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I'll be looking forward to that LPR but if you want an explantation and i'll get one from straight from DP
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Old 02-09-2007, 05:27 PM #17
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good stuff
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Old 02-15-2007, 01:25 PM #18
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nice
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Old 02-18-2007, 04:52 PM #19
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I remember this procedure from owning various Intimidators. It works great to give good consistency and ensuring that both the HPR and LPR are at their lowest and most efficient operating pressures. Now all we need is for Lucky to give us a AAV for this marker so this procedure truly makes a noteworthy difference (this step by step is a must in balanced valve guns).
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Old 04-10-2007, 03:09 PM #20
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Quote:
Originally Posted by Auctionjunkie! View Post
Not yet, but as I said I'm thinking of carrying them in my retail store and possibly producing an aftermarket LPR for them. I can forsee possible problems with adjsting the FPS via the LPR. Nothing that would harm the marker but performance on the field.
FYI I'm not flaming or trolling in any manner. As an Admin on this site I don't do nor allow such behavior. I am very interested in this line of markers for the resaons stated above.
Thanks, Dan
i cant think of any gun where using the LPR is for speed/FPS
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Old 04-10-2007, 03:50 PM #21
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