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EVOL HPS 30 HPS thoughts

Woogie_man

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Fargo, ND
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I am working on a write up right now. Will be posting a few things here soon.

Needless to say I am really impressed with the rifle over all.

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Well as many already know I recieved the 30 HPS from CTAirgunner after he was doing playing with the rifle. I honestly didn't know Tom was going to have the rifle sent to me until I was asked for my address. All I can say is I am thrilled and happy that I was trusted to handle such a great rifle. I have been shooting the rifle for about 2 weeks now and have a few rounds through the rifle. I am not going to bore you guys with the little things as CTAirgunner already did a killer job with chronograph numbers and groups at 100 yards. What I am working on is more of a hunting and target competition side of shooting.

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I have the rifle right now set up with a pair of Hawkins scope rings, an Element Theos 6-36 scope, and an Atlas bipod. Having been shooting my Paradigm in .22 for over a year now I have more than a few tins of pellets through the rifle. The differences between the rifles is small, but you can tell the difference. The adjustments on the 30 HPS are great! You don't need to remove the stock to get to the hammer adjuster. There is a small window on the left side of the receiver that will have numbers visible along with groves. You are able to spin this thimble to either increase or decrease your hammer spring tension. Moving up a little further on the receiver is the dwell adjustment. At the end of the air cylinder is the external regulator adjuster. Having one of these on my Paradgim already I was familiar and knew this system was a treat. The only other exterior change is the cocking handle. The new system that Tom has inside the rifle really is something. Shooting the Paradigm next to the 30 HPS you can feel the difference. I know it may be a little cliché .....but it really is night and day. For shooting a heavy pellet 900 fps and not really having any resistance on the cocking handle is awesome.

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The barrel on the rifles is the same quality and perfection that we all expect from Tom and his workshop of wonders. This rifle has a pellet barrel on it right now, as the twist rate and leade are made for pellets at this time. Though Tom is working on a pellet option as well. The silencer is of the same quality and build as the other Evols and Paradigms, nothing new here but when something works there is no need to fix it or replace it.

On the tuning side. I will be up front and honest with this section.

When I got the rifle it was already tuned and shooting the 30 caliber 44.75 grain pellets from CTAirgunner. The first thing I did was adjust the regulator higher and spin the dwell adjuster. I wanted to see how easy or hard it really was to tune the rifle. So after taking the rifle out of tune, and not knowing about the hammer adjuster on the side of the rifle, I went to the range to do some shooting. After topping off the air and setting the regulator as low as I could without draining the tank, I started shooting. With the chrono numbers extremely low I was able to twist the regulator up to just over 2000 psi. That brought the speed up to where I was looking at for the 50 grain pellets were shooting at 850fps. This put the 44.75 grain pellets just under the 900 fps range.

Like we have seen before the 100 yard targets are just boring to look at with just a large ragged hole. Now I am not a benchrest shooter at all, and anyone that saw me shoot at NAC will attest to this. But this gun made it stupidly easy to make a large hole at 100 yards. I was so impressed with the groups and the ability of the gun to produce them that I handed the rifle over to my son. I am working with him to start him hunting rabbits with me next summer. Well at 50 yards he was shooting the eyes out of the rabbit pictures I printed off and he didn't skip a beat shooting and racking a new round. So off to 100 yards and he did a little slower but he was still able to keep all the rounds in the rabbits head.

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Everyone likes a list of things that are good, bad, or other wise.......so lets do one of those :D

Good....
Shot to shot consistency
Ease of cocking rifle
Really simple to adjust and fine tune rifle
Rifle is fairly light weight for its size
Magazines are smooth and didn't skip a beat
No need to remove stock to adjust the hammer spring tension
Full length picatinny rail on the bottom


Bad..... This one is hard because I really do like the rifle. But there has to be something we don't like

Regulator adjuster at the end of the barrel. I know this is the easiest and cleanest way to have an external adjuster for sure. I just HATE having to look down the end of the barrel when adjusting or looking at an air gauge.
Full length picatinny rail... all my stuff is set up for Arca. The vast majority of NRL22 and PRS shooters have 90% of their gear set up for Arca. Now when you remove the stock you are able to remove the picatinny rail and there is a little notch that looks like there may be an upgrade for an Arca rail. Tom would have to confirm that, but that would be a HUGE upgrade or option for the rifle.
9 shot magazine. Again looking at the NRL22 or competition you are typically looking at stages that have a shot count of 10 or more. So having to do a reload for every stage is a huge opportunity for lost time and missed targets.



This is what I have came up with so far. I have been talking with Tom and he is sending me out another magazine so I can use the rifle for the next NRL22 match in my area. Will get more pictures and hopefully some video of the rifle performing. Have taken the rifle out for some rabbits, but I haven't been able to find any due to the funky weather we are having right now.

Over all guys the "BAD" on the list above was me really nitpicking. The rifle is great and it functions like we want it to. I have tested the FX and JSB 44.75 and 50 grain pellets. I just got an order in of some of the ZAN Benchrest ammo as well as some of the JTS ammo. I know CTAirgunner didn't have great luck with some of these, but I want to try and see if I can't get something figured out as well.

Any questions or anything please ask guys, or if there is anything you are curious if the rifle can do just ask. If it is something I am able to test I will give it a go. I am hoping for some colder weather so I can leave the rifle outside in a case and really let it get cold.....then go shoot and see how the regulator and rifle handle the temps. Though being as we are having record high temperatures right now here in North Dakota it may not get cold enough.
 
Honestly they shot great. With the dwell adjustment on the side you are able to fine tune easily. So going from one to the other is quick and easy.

Though honestly they both shot great
 
I know it's been said before, but you are so lucky to have a range like that.

Thank you for the write up and taking the time to review the new HPS platform. Having shot Kevin's .30 Paradigm I've had a chance to experience how accurate the AAA .30 lineup is. I hope I get a chance to enjoy one of new HPS in 2024.

There's only one thing making my OCD tick. It's a small thing, but want to mention it. The hammer spring adjuster - looks like you need to move it with a flat head screwdriver, or similar, and it's already showing the inevitable nicks and scrapes.
 
I know it's been said before, but you are so lucky to have a range like that.

Thank you for the write up and taking the time to review the new HPS platform. Having shot Kevin's .30 Paradigm I've had a chance to experience how accurate the AAA .30 lineup is. I hope I get a chance to enjoy one of new HPS in 2024.

There's only one thing making my OCD tick. It's a small thing, but want to mention it. The hammer spring adjuster - looks like you need to move it with a flat head screwdriver, or similar, and it's already showing the inevitable nicks and scrapes.
Correct. Would be nice if that part was knurled or even left in a raw steel. The scratches would start to bother me as well.
 
What is the benefit of the Arca rail over the picatinny? I’ve never used or seen one in person.
same question
short of just having other guns already set up.
the only thing i could come up with was the tripods? but bipods come in the arca and the picatiny so?
 
I only use tripods anymore so that's why. Right now I use adapters and only have them in one spot so I'm limited in where I can use my tripod in regards to position on the gun. Depending on how I'm shooting I'd love to change it along the whole length but unless I want a bunch of adapters in a row, I don't have much choice. They are also I think double the width of a picatinny rail and flat so nice for a bag also.
 
What is the benefit of the Arca rail over the picatinny? I’ve never used or seen one in person.
Mny of my accessories ae set up for Arca. That and the fact you can slide an accessory where you want, without having to completely remove it. Much larger clamping area as well.

You can get adapters, but not sure if anyone makes a large adapter plate.
 
Woogie, thanks for the feedback. There are some details to the operation that I failed to tell you. With the new balance valve, tuning is very different than a conventional valve or a Cothran style valve. At some point I'll do a white paper on the operation of different types of balance valve pros and cons along with their operational behaviors.

The HPS valve is designed to be adjusted with primarily regulator pressure and dwell adjustment. Although there is an adjustable hammer; it is designed to be a set and forget type of operation. To set the hammer, it is adjusted until it stops against the valve stem and then backed off two clicks. Because the the HPS balance valve does not open in a linear manner the goal is to provide enough hammer energy to reliable crack the poppet to the extent that the pressure differential between the poppet and balance piston takes over the opening. Additional hammer energy will not provide any additional benefit. Attempting to balance the opening against the reservoir pressure like a conventional valve will yield poor results.

The reg pressure sets the maximum fpe required and the dwell fine tunes velocity. Generally the reg pressure can be effective over a wide velocity settings but if you want the get the most shots you will need the correct reg pressure that self regulates when off the regulator. If you look at the tuning spreadsheet in the Tuning post you will see that if the reg is too high you will get a steep climb when off the reg; when correct there are 5 or 6 self regulated shots are the within a a few fps. Do not adjust the of reg curve with the hammer!

I would suggest no one look down the barrel when ever adjusting anything. The reg adjust is easily seen from a safe angle :)

I appreciate the feedback about the potential to scratching the hammer adjuster wheel and I'm looking at hard chrome as an option. This is why getting these first production gun is the hands of users before distribution is so important.

Thanks to CTAirgunner for you invaluable efforts!

Merry Christmas!
 
Woogie, thanks for the feedback. There are some details to the operation that I failed to tell you. With the new balance valve, tuning is very different than a conventional valve or a Cothran style valve. At some point I'll do a white paper on the operation of different types of balance valve pros and cons along with their operational behaviors.

The HPS valve is designed to be adjusted with primarily regulator pressure and dwell adjustment. Although there is an adjustable hammer; it is designed to be a set and forget type of operation. To set the hammer, it is adjusted until it stops against the valve stem and then backed off two clicks. Because the the HPS balance valve does not open in a linear manner the goal is to provide enough hammer energy to reliable crack the poppet to the extent that the pressure differential between the poppet and balance piston takes over the opening. Additional hammer energy will not provide any additional benefit. Attempting to balance the opening against the reservoir pressure like a conventional valve will yield poor results.

The reg pressure sets the maximum fpe required and the dwell fine tunes velocity. Generally the reg pressure can be effective over a wide velocity settings but if you want the get the most shots you will need the correct reg pressure that self regulates when off the regulator. If you look at the tuning spreadsheet in the Tuning post you will see that if the reg is too high you will get a steep climb when off the reg; when correct there are 5 or 6 self regulated shots are the within a a few fps. Do not adjust the of reg curve with the hammer!

I would suggest no one look down the barrel when ever adjusting anything. The reg adjust is easily seen from a safe angle :)

I appreciate the feedback about the potential to scratching the hammer adjuster wheel and I'm looking at hard chrome as an option. This is why getting these first production gun is the hands of users before distribution is so important.

Thanks to CTAirgunner for you invaluable efforts!

Merry Christmas!
Awesome!! Will give me more to play with for sure. It is shooting great and is SIMPLE to adjust and use. Planning on hitting the range this week again to play more.

I am getting a new compressor on Friday due to mine taking a dump on me and not filling anything. So shooting has been slow right now.
 
Awesome!! Will give me more to play with for sure. It is shooting great and is SIMPLE to adjust and use. Planning on hitting the range this week again to play more.

I am getting a new compressor on Friday due to mine taking a dump on me and not filling anything. So shooting has been slow right now.
Which compressor did you wind up ordering?
 

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