FX Tuning to the knee… or maybe not?!

[bigHUN]

I don't know about efficiency on my MK2 (about MK3.5 actually after all my mods). I am shooting BR and tethering from a large scba, also I have the big Huma external adjustable regulator. For about two years long it was pre-set to 185 bars but out of boredome I change it to 205 bars another day.

In earlier days with my MK2 I was chasing the slugs speeds, I replaced so many internal springs (and added washers underneath) to the hammer and hammer weight I don't remember anymore what was the original. I shall have my notes from years ago, but who gives... We go by the feel

Currently the Reg is at 143 bars, but because I am back to shooting pellets I shall for sure revisit the tuning specs again.
Also, I reduced the barrel length from .25x700 to .25x600, so this is a good opportunity start the tuning madness again dedicating to 35gn pellets.

The MK2 doesn't have a "micro" in terms of M3 or M4, but it does have it, only without engraved marks and I adjust with an allen key.

I have a good feeling about the Reg about 125-130 bars - and release some hammer overload from a "micro" shall be very close for my game ...

Also, I must say, based on my experience not the tightest ES/SD gives the tightest groups. So that gives me some room to play.
I know, I have seen it, there are several nodes in speed when the groups open up and closest tighter. But when I make the groups really tight, I was getting fliers... Uhm.
The benchmark for tuning is - watch the target paper, the POI will show...

 

[greenbeans]

I appreciate it. I think my obsessive and meticulous perfectionist nature coupled with the inherent neuroticism of being a sperg plays into this. A good 60% of my ammo use is solely being shot into a catch box over the chrono trying to find that perfect setting or as close to it as possible. Noise, Air usage, velocity, spread, and grouping all have to be near perfect in order for me to be able to stop and call it tuned. Hours and hundreds of shots are taken every single time I change something. then of course letting it sit for a day to see if things settled agreeably, and god help me if i see 1 spike or dip after the first shot gets things moving. I expect, with the exception of the first shot or two EVERY single following shot to be within 1.5-2fps over or under of the one preceding it. Not exactly reasonable or necesarry, but, something inside me screams when my nice flat line gets a kink.

this is the way…

And not being at the knee is not… I just shot it down from 250 to reg…. Horrible ES/SD… shame though, was a very pleasant cycle.

 

[RoosterCogburn]

I don't mind people copying my part but they should at least mention on the website that it was initially introduced by Umair Bhaur. Courtesy to him. We should have this much ethics at least.

Link to please, sir.

 

[thomasair]

The only way I have found to stay way below the knee is with a super heavy hammer. You can hold a 10fps spread at 8-10% below the plateau pretty easily with a 100gr hammer in my gun.

 

[RoosterCogburn]

The only way I have found to stay way below the knee is with a super heavy hammer. You can hold a 10fps spread at 8-10% below the plateau pretty easily with a 100gr hammer in my gun.

same. i mitigate this by letting gun sit after good tune found, IF that first shot after rest is too low, Adjust micro up 1-2 clicks and make a tiny adjustment inward on V.A., no where near 1/8th necessary. to keep within 8-10 fps on first shot. Not solve.

 

[6gun]

I appreciate it. I think my obsessive and meticulous perfectionist nature coupled with the inherent neuroticism of being a sperg plays into this. A good 60% of my ammo use is solely being shot into a catch box over the chrono trying to find that perfect setting or as close to it as possible. Noise, Air usage, velocity, spread, and grouping all have to be near perfect in order for me to be able to stop and call it tuned. Hours and hundreds of shots are taken every single time I change something. then of course letting it sit for a day to see if things settled agreeably, and god help me if i see 1 spike or dip after the first shot gets things moving. I expect, with the exception of the first shot or two EVERY single following shot to be within 1.5-2fps over or under of the one preceding it. Not exactly reasonable or necesarry, but, something inside me screams when my nice flat line gets a kink.

Now I understand our ease of communication. I've put 1000 slugs in the trap for every 10 I've used in the field. Noise, grouping, es. Once upon a time I was sorting ammo one at a time to.0001in with inspection mics and washing, picking flash and lubing. None of it mattered because the guy behind the trigger was a bigger issue. It took all that work to figure that out.

 

[RoosterCogburn]

Now I understand our ease of communication. I've put 1000 slugs in the trap for every 10 I've used in the field. Noise, grouping, es. Once upon a time I was sorting ammo one at a time to.0001in with inspection mics and washing, picking flash and lubing. None of it mattered because the guy behind the trigger was a bigger issue. It took all that work to figure that out.

Personally, I blame and curse a third party. Often the shriners or whoever took the hare krsna out of airports. Or maybe its the quantum effects from my time fighting for the spürdate legion of the finngolian khaganate in the finno-korean hyperwar.