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Umarex  New to PCP and Modding, Looking for Guidance on the Notos

I’ve been digging through the forum and found a ton of great info on mods. I’m new to PCPs and picked up a Notos with plans to start modding it later on, but I didn’t realize how deep this rabbit hole goes……

I’m trying to wrap my head around how everything works and how the different parts interact. Every day I’m learning a bit more, but right now I feel like I’m missing a clear-cut guide that explains how the system functions overall.

Does anyone have any beginner-friendly threads, diagrams, YouTube videos, or build logs that helped you when you were starting out? I saw that @Firewalker managed higher velocities using FX barrel liners without porting and a few others have put together some impressive builds (regs, bottles, plenums, etc) with the Notos. That’s the kind of stuff I’m trying to understand better.

Also, what are some common mistakes or “no-no’s” that might not be obvious to someone new to all this?

I’d appreciate any advice, resources, or even a quick PM if you’ve got time to help a newcomer out. Just trying to soak it all in without getting lost. Thanks in advance

Oh, I'm porting!

Mi glad to walk you through any changes you want to make.

Underwater leak test, DON'T!

I've seen several posts mentioning that dunking your air rifle or pcp underwater is okay if you do it quickly and dry everything properly.

My advice is, just don't.

A coworker dropped off a Hatsan Jet 2 .22 because his gun leaks about once a month. He doesn't ever use it, but when he thinks to do so it's down to to almost empty. He gave the gun to his boss who offered to leak test it and fix it for him..well, needless to say that although he was reassured it wouldn't rust, that as not the case. Also the leak was never fixed, because it's in my hands now. Well, it's at the house, I worked on it this morning, cleaned it up, changed a few seals and removed 98% of the rust. But just see for yourselves.

I'm not sure why the gun was dunked under water for a leak test when there no where for the air to escape aside from the aurtube and valve assembly which is forward of the trigger area. I found the leak to be coming from the bottom flathead screw, and I also found a mangled oring where the valve plate seals up against.

After clahing the seals, cleaning up the guns polishing parts, and lubing it all up, it was holding air. Now to wait and see if it holds up.

The only part remaining with a bit of rust is inside the barrel, I went through 17 patches front and back and there is still some residual, I need to get a nylon brush and scrub it out with the boroclean I have.

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DNT Zulus LRF - does it compensate for CANT in addition to pitch?

From a systems standpoint, these guys aren't even flexing the Sony Stravis 2 sensor! I haven't take the scope apart to look at all the hardware and peripherals, but as @6gun mentioned, the scope can handle a lot of "software growth." Actually being retired from this field, I do feel like "curious George" when it comes to looking at the inner workings. Suffice it to say that all these scopes can benefit from increased software from an application standpoint as well as firmware. The math required to handle ballistics and LRF reticle alignment could be done easily with a 16 bit processor and some assembler coding, much less what's available now! (sorry old school...). I use to love working on this stuff! Now I just want to shoot pests and targets!

Benjamin  Marauder tank modification

I just don’t understand why self appointed masters of the universe feel the need to lambast anyone who mods M-Rods.
I bought a new 25 cal back in 2015 or 2016. It was great out of the box. I sold it about 3 years ago while going through chemo/cancer crap. Well I missed that rifle so I bought one used about 6 months ago. It needed new o-rings and was good to go. I had bought a JSAR breech from Dave Ezman about 4 years ago, so it now is very nice. I like it.

Hunter

New FT rifle /scope suggestion

Very nice! Comes with Steve Corcoran grip! .177 under 20’# ? What pellet, speed for pistol, rifle?
Thank you for showing both configurations.
JSB 13.4 exacts at approx 810 fps <20 fpe for hunter field target. In EFT pistol it’s the same.
if shooting HFT AAFTA must be <12 fpe so you change a port and voila

DNT Zulus LRF - does it compensate for CANT in addition to pitch?

You may well be right. I am simply relaying info from DNT Tech Support. They are not infallible, but this is at least worth additional tests. I think a test at short distances where a gun is shooting one-hole groups will tell the story. As I noted, technically, this should not be difficult as long as the data input is correct.

I know that the DNT has been incredible for me. I zeroed at 27 yards. And tested at 36 and 69 yards. Spot on without further adjustments. Just an amazing kit.
I bought mine when it was under arken. The airgun world has known more about these optics than arken or dnt for a long time. The beauty of it is we have a sensor pack, they can write all sorts of fancy software for it in the future. My circle of pals was consulting with one of the sales guys for a while to familiarize him with them.

If the processor can handle it, they could have a floating reticle that you could shoot out of position potentially.
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PCP Rifle  NLA AEA HP Max .35 cal. With pump kit & Extras. (CHEAP)

$385 shipped. Without Donnyfl and red dot sight .$550 shipped as you see. Ready to roll With pump kit. Solar red dot/ ronin moderator and brand new tin of pellets also spare balve seat and valve pin. Shoots great with good power. Getting rid of a few of my guns to fund another

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50 shot group at 100y progression

Awesome shooting! I only shoot slugs at distance and am curious, how do you avoid pellet spiraling? I never shoot pellets (well, just for backyard plinking) but I've read a lot about pellets spiraling at distance.
Thanks...The 30s don't seem to want to spiral at 100.

Mike

Umarex  THE ZELOS IS AMAZING

The benjis ? That’s a surprise. I shoot the JSb kings out of my .25. 25.39s
Very accurate but if I can tighten them up. One hole at 65 is fantastic. Not a surprise for the Zelos.

Umarex home runned the Notos and then Again with the Zelos
I wonder what their 3rd act will be ….

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