Skout Everything Skout EVO and Epoch

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MSR Workshop said:
I actually find that if I leave my guns pressurized a little bit when I do the refill, I don’t get any leaks out of the high-pressure regulator.
There’s also a very small O-ring in the high-pressure regulator that I replaced it was causing the leak. You’ll have to look back on this thread and you’ll see the pictures of what I did.
It’s located on the needle valve inside the high-pressure regulator.
Also leaving a gas a little bit is a good way to tell if you have any slow leaks overtime.
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Thank you for the info.
Saw your video, your gun looks amazing!I have been looking back on this thread, as it is the only source of info i can get on the gun.
I have noticed people replacing the factory o rings with other makes and types in order to fix leaks and I have already replaced some o rings using the ones in my spares kit in order to fix obvious leaks.
In the next 2 weeks i plan to shoot it quite a bit , and get a better indication of what it's weak points are.
Plan to take photos of it at the range and show you guys too.
 
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Ada said:
Cool thanks
Does your HP gauge cone straight back to the set psi or does it come back to the general area and slowly creep up towards the set pressure?
All my gauges are digital now so I am seeing things which I was not aware of before.
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It is very easy to look at a small change in a digital gauge and think it is a big problem. But, if the gauge were analog, you might not even notice the small change. "Don't sweat the small stuff" . Do keep trackof the changes in case it develops into something bigger.
Also, on the question of going back to settings after repressurizing...remember that there is a feature that adds a smaal boost to your 1st shot, so it might be a little higher, but should go back to your settings after that shot.
Mike
 
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manabeknives said:
It is very easy to look at a small change in a digital gauge and think it is a big problem. But, if the gauge were analog, you might not even notice the small change. "Don't sweat the small stuff" . Do keep trackof the changes in case it develops into something bigger.
Also, on the question of going back to settings after repressurizing...remember that there is a feature that adds a smaal boost to your 1st shot, so it might be a little higher, but should go back to your settings after that shot.
Mike
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Yes i am aware of that feature, but does it not need to be enabled or is it on by default?
Also i agree about the digital gauges showing differences that i would not see with the analogue ones, its just that i have nothing to compare it too in order to judge if its a problem or something normal for this gun.
Thats where the collective comes in to help out a newbee like me.
Thanks again
 
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It adds a micro burst of air to your 1st shot, or when your rifle has been inactive for a set period of time. I believe this is to compensate for the when the o rings get compressed and need that 1st shot to return to normal shape. That shot usually has less power due to the rings being compressed.
 
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MSR Workshop said:
Well, I would like to report back to everybody that I now have no leaks on the rear of my gun.
I put the plug in the block as well as Teflon taped the screws.
I figured the screws are another source of where Air could possibly escape if it makes it past any of the O-rings.
I did another slow Mo video and no bubbles whatsoever.

Now I’m gonna go outside and chronograph my shots and see if it made a change in consistency with speed.

now I’m going to go test my Epoch and see if there is leaks as well.

I’ll report back with chronograph results


View attachment 582345
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So happy to read the 2 little plugs I made up worked to seal up the poppet seat bipass leak :love: (y)
 
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MSR Workshop said:
Well, I just checked the Epoch and it has the same leak.
I have never had the rear block off on this gun, so it is still been sealed from the factory
So on this one, I’m just going to put the plug in without doing anything else and see if that stops the leak

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Glad the plug sorted your leak fella, was the 8fps spread an improvement on before? As you know, I also tested my sub 12 .177 Epoch in water and found no leak, but unfortunately my fps variation still sits around 20fps nothing I have done seems to have any better effect, and I can't blame a leak.

I also don't de pressurise my gun and don't suffer any leaks and also use digital gauges, I had an odd one last week when I was at the range and adjusting the HP reg for a different weight pellet, and it seemed to dump a bit of air and now needs more adjustment than before to achieve the same pressure, so whether it's a slightly leaky O ring in the reg ? I did change a couple a while back for harder ones but doubt its down to that, but you never know.
 
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Tricky-Dicky said:
Glad the plug sorted your leak fella, was the 8fps spread an improvement on before? As you know, I also tested my sub 12 .177 Epoch in water and found no leak, but unfortunately my fps variation still sits around 20fps nothing I have done seems to have any better effect, and I can't blame a leak.

I also don't de pressurise my gun and don't suffer any leaks and also use digital gauges, I had an odd one last week when I was at the range and adjusting the HP reg for a different weight pellet, and it seemed to dump a bit of air and now needs more adjustment than before to achieve the same pressure, so whether it's a slightly leaky O ring in the reg ? I did change a couple a while back for harder ones but doubt its down to that, but you never know.
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Your ES value I will still hold my thoughts on Transfer path seat to barrel size issue and/or too small a bleed hole size on poppet head leading to excessive valve open dwell ( Which has noting to do with Electronic solinoid valve opening dwell setting )
 
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Motorhead said:
Your ES value I will still hold my thoughts on Transfer path seat to barrel size issue and/or too small a bleed hole size on poppet head leading to excessive valve open dwell ( Which has noting to do with Electronic solinoid valve opening dwell setting )
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On that note, I do have an interesting sound after a shot. It’s like a fill sound in the valve chamber.
Would that have to do with the poppet whole size and refilling the chamber?
 
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Motorhead said:
Your ES value I will still hold my thoughts on Transfer path seat to barrel size issue and/or too small a bleed hole size on poppet head leading to excessive valve open dwell ( Which has noting to do with Electronic solinoid valve opening dwell setting )
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So, you're thinking that a too small bleed hole is a cause of increased dwell? Not sure on the transfer path as we both had the same thought on that and I like yourself made a filler port for that which helped a little, but now it seems to have lost that advantage, I have a friend going to the states next month so may ask him to pick me up a couple of spare poppet valves so I can experiment.
 
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Tricky-Dicky said:
So, you're thinking that a too small bleed hole is a cause of increased dwell? Not sure on the transfer path as we both had the same thought on that and I like yourself made a filler port for that which helped a little, but now it seems to have lost that advantage, I have a friend going to the states next month so may ask him to pick me up a couple of spare poppet valves so I can experiment.
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From May 0f 2013 ... ( Quoted ) from an early tuning post over 2 years ago.
* BTW have sense in .22 cal opened vent a tad more and muzzle report is quieter, ES values tighter.
* Using SAE spec Wire Drills from a 60-80 size set. You may have metric wire drill sets as well in the UK

Next mod a few weeks later was too open up the bleed hole on poppets head by @ 10% This was taking the existing .035" hole up .002" to .037"
Doing the math on AREA it only took .002" adding the @ 10%
Reason here was to get a tad faster fill on backside of spool valve piston speeding up the closing cycle just a tad & figured all things relative @ ( 10% )
* This mod cost me just a tad in power/speed requiring @ 35-40 psi more pressure for equal power ... Very minor IMO
Tad bump on reg to @ 1250 from a previous 1200+ and muzzle report is quieter again .... YEA WE'RE SAVING AIR !!! while rifles sounding a lot snappier.
 
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Motorhead said:
From May 0f 2013 ... ( Quoted ) from an early tuning post over 2 years ago.
* BTW have sense in .22 cal opened vent a tad more and muzzle report is quieter, ES values tighter.
* Using SAE spec Wire Drills from a 60-80 size set. You may have metric wire drill sets as well in the UK

Next mod a few weeks later was too open up the bleed hole on poppets head by @ 10% This was taking the existing .035" hole up .002" to .037"
Doing the math on AREA it only took .002" adding the @ 10%
Reason here was to get a tad faster fill on backside of spool valve piston speeding up the closing cycle just a tad & figured all things relative @ ( 10% )
* This mod cost me just a tad in power/speed requiring @ 35-40 psi more pressure for equal power ... Very minor IMO
Tad bump on reg to @ 1250 from a previous 1200+ and muzzle report is quieter again .... YEA WE'RE SAVING AIR !!! while rifles sounding a lot snappier.
Click to expand...
So enlarging the poppet head causes the valve to close a little faster what causes it to refill the Plenum faster? Or is that just depending on the air path from a bottle?
 
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MSR Workshop said:
So enlarging the poppet head causes the valve to close a little faster what causes it to refill the Plenum faster? Or is that just depending on the air path from a bottle?
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My understanding is that the tiny hole in the poppet valve is the feedback pressure/volume for the closing of the spool valve so the larger the hole the quicker the valve will close and so reducing the valve dwell which in turn should reduce the amount of air used due to the quicker closing so less air escapes, hence Mr Motorheads need to increase the HP reg pressure to compensate, it's the HP reg that controls the available pressure for the spool valve plenum.
 
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MSR Workshop said:
So enlarging the poppet head causes the valve to close a little faster what causes it to refill the Plenum faster? Or is that just depending on the air path from a bottle?
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Yes in that valve throat pressure during the shot bleeds threw an orifice on poppet head and this in turn gets behind the opposing side of piston that solenoid uses to open it.
Larger the orifice ( To a point ) faster counter pressure exerts itself on piston prompting poppet to be closed.

Filling of plenum post shot is a case of bottle & threw regulator before getting a refresh.
 
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I was never particularly happy with my ES or SD numbers with my Epoch, until I replaced both regs recently. Ran a shot string and shot 960 fps for the first 15 shots, then jumped to 963 for a few, and back to 960. I’m hoping it continues to do this for a while. Both my Epochs will leak down over a couple of weeks, so slow enough to be hard to locate…
IMG_9849.png
 
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