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Old July 2nd, 2013, 19:43   #46
Cobrajr122
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Get a TBB and a decent hopup (R-HOP? ) in there and the P* will shoot like a dream.

If you are not worried about air, and primarily play under ~160 foot ranges, you might want to look into the ORGA Wide boar barrels. They create a cushion of air around the BB as it goes down the barrel, they have been proven to tighten up groupings vs a TBB with the proper settings on the FCU. They will require you to use some more air though.
These barrels thrive in P* because of how precisely we can control the amount of air going downrange.
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Old July 2nd, 2013, 19:57   #47
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Rhop & orga barrel
Huge advantage to P* over AEG's is they use the hop physics of a GBBR in terms of applied hop to BB.
100% pressure is initially applied, so you're able to impart much more hop on the BB, which allows you to use heavier than typical ammo.

All that means you have the option of using .36s at 1.48j, whereas an AEG typically tops out at .30 or .32
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Old July 2nd, 2013, 20:11   #48
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Originally Posted by Nozomori View Post
My current hop setup is a Prommy Neo chamber, a Prommy EG 363mm 6.03mm TBB and HS5's IR-hop. Everything is fit snug with no wobble. Is it too much to ask to get 1 meter groupings at 80 meters?
That is probably pushing it a bit.

The hopup/barrle setup you have is already awesome, so don't worry about that.

Once you have an FE in there, play with the settings, get your poppet dwell correct, and start with 0.30g BBs. Experiment with heavier BBs too.

You should easily get 200+ feet, but I don't know about that grouping past 200 feet.

ThunderCactus Would definitely have more experience with this than me though, I have not had the opportunity to run an Rhop yet :P

Last edited by Cobrajr122; July 2nd, 2013 at 20:15..
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Old July 2nd, 2013, 20:42   #49
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orga barrel
no, just no.

Prommy & rhop. you're already there, why bother with something so inferior.

BTW, the 15t is stronger than the 14. it just takes more work.
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Old July 2nd, 2013, 22:56   #50
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Originally Posted by wind_comm View Post
Prommy & rhop. you're already there, why bother with something so inferior.
Has anyone done orga barrel testing on a P*?
Because we're about to in Mb
We're also about to test the orga 6.10 in a PTW, which according to users across europe, are top end barrels.

So is the orga actually inferior on an AEG, or is it just the same as the next best barrel? Did they test the 6.13 or the 6.23?

Remember the whole point here is the BB doesn't touch the sides of the barrel, so by maintaining constant pressure and flow in a wider barrel, the accuracy should be the same as it would be in say, a high quality 6.05, but it should be much less prone to fouling. Making it a perfect barrel for LMGs....
(I always wanted a high quality stainless 6.08 for my 249)

Last edited by ThunderCactus; July 2nd, 2013 at 23:00..
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Old July 2nd, 2013, 23:33   #51
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Im not sure if anybody has done any substantive ORGA testing in Canada on P* but there has been a TON in the US.
An ORGA in an AEG would have to be paired up properly because of the fixed volume of air you have with that AEG vs the tun-able amount you get with a P*, so results in AEGs will vary a lot.

I am hesitant to get one because of my air situation out here. I have geared my setup to low PSI so I don't need to buy a scuba tank, or more smaller tanks. If I was to get an ORGA I'd have to run 110PSI + vs ~72 on my 300mm upper.
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Old July 2nd, 2013, 23:36   #52
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its that significant?
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Old July 2nd, 2013, 23:43   #53
Cobrajr122
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Originally Posted by ThunderCactus View Post
its that significant?
I would probably loose about 800 shots on a single tank.

If its a long op then that would be an issue. For a day game, I would survive on the 2 tanks I have.
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Old July 3rd, 2013, 08:40   #54
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It would probably, or does on average?
Either way someone local is gonna find out first hand lol
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Old July 3rd, 2013, 12:28   #55
Cobrajr122
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well since I dont have an orga to test with, I would have to leave it as probably.

But when I gained ~500 shots when I went from ~80PSI to ~60, it makes sense that I would loose ~800 or more when going up to 100 PSI for the orga.

I might not need to increase that high for PSI fo rthe orga, but most guys are running something close to that PSI for a 300mm orga 6.23
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Old July 3rd, 2013, 13:32   #56
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I was going to try the Orga setup as well but decided to go the high efficiency setup instead to conserve air for long games. My P* m4 setup is just a tad over 50-53psi 407mm prommy Rhop with custom bored nozzle which is extremely silent with 43's. My Rpk with flat hop and stock barrel is at 80psi use's alot of air. I still want to try the Orga barrel but I've been reading a lot of mixed reviews. Awaiting your results
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Old July 3rd, 2013, 14:12   #57
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Quote:
Originally Posted by Cobrajr122 View Post
I might not need to increase that high for PSI fo rthe orga, but most guys are running something close to that PSI for a 300mm orga 6.23
6.23s seems too wide, I wouldn't test anything but the 6.13 (which is what I'm buying for the P* here in Mb), especially due to the air loss of using such a wide bore lol
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Old July 3rd, 2013, 15:18   #58
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Originally Posted by NVC View Post
My P* m4 setup is just a tad over 50-53psi 407mm prommy Rhop
Is this for ~1.45J?

If so, I cant wait to finish building my 509mm TBB setup, might be able to get as low as 45 PSI! :P
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Old July 3rd, 2013, 15:52   #59
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Shouldn't you need the same psi and lower volume for a shorter barrel?
PSI should control your fps and volume (how long the solenoid is open) should control barrel length, the same way the spring changes the air pressure in an aeg and the cylinder port controls barrel length by changing the cylinders volume
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Old July 3rd, 2013, 16:52   #60
Cobrajr122
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Originally Posted by ThunderCactus View Post
Shouldn't you need the same psi and lower volume for a shorter barrel?
PSI should control your fps and volume (how long the solenoid is open) should control barrel length, the same way the spring changes the air pressure in an aeg and the cylinder port controls barrel length by changing the cylinders volume
Longer barrels at the same PSI with the popped dwell tuned for that barrel will shoot hotter.

This means you will need to lower PSI on the longer barrels.

I have a stock G&P 300mm and a stock G&P 509mm on hand( Same ID ), I'll take some pics to show you what I mean tonight.

Edit; Here ya go :P



300mm Stock G&P inner, hopup unit, rubber, etc.
Hopup unit turnt off.
0.25g Bastard BBs
Blue Nozzle

Using a quick reference guide (not tuning the DP to be perfect), I set the DP for 20 and tuned the PSI to achieve 1.3J.
This required 115 PSI!






Once this was done, I swapped to the longer inner.


509mm Stock G&P inner, hopup unit, rubber, etc.
Hopup unit turnt off.
0.25g Bastard BBs
Blue nozzle


Using the exact same FCU settings and PSI, the gun shot a hair over 2J!





Using the quick reference guide(not tuning the DP to be perfect), I changed the DP to 33, not much higher in muzzle energy.





I then tuned the PSI to achieve 1.3J again.
This required a hair under 80 PSI




Last edited by Cobrajr122; July 3rd, 2013 at 17:49..
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