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Airgun Ammo / Re: Inventory Run - 63 gr. FN in .257 cal at NOE
« Last post by rsterne on December 10, 2017, 08:18:41 PM »
Inventory Run has started.... all we need it 5 guys to get it rolling.... HP pin available in 1 cavity....,2345.0.html

All those who sign up will get a 15% discount when the moulds hit the store....

PCP, C02, and Helium Powered Airguns / Re: Any Interest in 6mm ? - Build Thread
« Last post by rsterne on December 10, 2017, 02:07:19 PM »
I got the trigger mounted on the short (regulated) tube, and milled the slots for the sear and cocking handle this afternoon.... This hammer works well also and I milled both the cocking slots 0.050" longer at the front.... With the handle at the front of the slot, you can see the back of the sear flush with the back of the hammer, so that is absolutely as far forward (maximum stoke) as I can go.... It is critical that the back of the hammer keeps the PRod sear pressed down, if it could pop up behind the hammer, the hammer would jam the valve open and dump the reservoir, and likely damage the hammer (or trigger) as well.... The length of the top face of the sear (about 1/8") is my safety margin....

This completes the stock, SSG and hammer assemblies on both guns.... Once I make a decision on the valves I will know where to mount them, and only after that can I proceed with the receivers.... Until I know where the valve exhaust port will be I can't make those.... The next steps will be making the front plug with fill fitting for the unregulated tube and the reversed tank block for the regulated one....

PCP, C02, and Helium Powered Airguns / Re: Any Interest in 6mm ? - Build Thread
« Last post by rsterne on December 10, 2017, 12:12:48 PM »
Well today it finally starts to look a little bit like a gun.... and I got to find out that the hammer works as designed.... I measured two (dozen) times and then laid out and milled the cocking slot in the right side of the tube.... Here is what the long tube (intended for the tethered .257 cal) looks like now....

The hammer cocks and still has a bit of leeway for rearward movement before it hits the SSG mounting block that mounts the rear of the trigger.... When adjusted for 1.0" of hammer stroke, the front of the cocking handle rod is nearly 1/4" from the front of the slot when uncocked (as in the photo), so if I have the valve stem protruding 0.20" from the back of the valve (limiting the maximum lift to that, which is plenty).... and the stem touching the hammer when set for that 1" of stroke.... the hammer will hit the back of the valve body before the cocking handle hits the front of the slot.... which is what I wanted.... The hammer cocks smoothly and with relatively low effort with the 14 lb/in spring installed and about 5 lbs. of preload....

Now to lay out and machine the shorter tube for the regulated 6mm version to the same stage of completion....

Airgun Ammo / Re: .22 Pellet Mould
« Last post by rsterne on December 10, 2017, 09:06:50 AM »
They are simply out of stock at NOE.... Start a thread requesting them, it only takes 5 guys for them to do an Inventory Run....

Airgun Ammo / Re: .22 Pellet Mould
« Last post by maddoghutty on December 10, 2017, 07:52:26 AM »
I msg both of the firms you mentioned but unfortunately they no longer do a mould for a .22 so if you know of anymore where you might be able to get a mould for a 22 would be great.
PCP, C02, and Helium Powered Airguns / Re: Walkthrough on tuning a pcp and huma reg.
« Last post by rsterne on December 09, 2017, 07:32:30 PM »
When tuning any regulated PCP, I increase the hammer spring preload until the velocity doesn't increase any more (the plateau).... I then back it off until I see about a 5% velocity drop (the knee).... If the velocity is too low, I increase the regulator setpoint, and if higher than I want I reduce it.... Then I fine tune the preload for my final tune....

Airgun Ammo / Inventory Run - 63 gr. FN in .257 cal at NOE
« Last post by rsterne on December 09, 2017, 06:30:46 PM »
This bullet is being discussed as a possible Inventory Run....,2339.0.html

It is a shortened version of the 260-85-FN but currently out of stock in the NOE Store.... If 5 guys are interested, it should move up to an Inventory Run.... IIRC, Doug Noble and Cedric both used this bullet before they moved on to heavier ones in more powerful guns.... No reason it can't have a Lyman style HP pin in one cavity....

Shooter1721 / Re: Challenge accepted
« Last post by Shooter1721 on December 09, 2017, 06:17:26 PM »
Thank you, Michael!!
Alan challenge accepted....... lol
PCP, C02, and Helium Powered Airguns / Re: Any Interest in 6mm ? - Build Thread
« Last post by rsterne on December 09, 2017, 06:00:22 PM »
I made the second hammer today, for the .257, which has a slightly smaller tube ID.... The lengths are all the same as the hammer I made yesterday, and I have both in the photos for comparision.... Here is the top view....

Note that I moved only used one vent groove, on the top instead of the sides, so the hammer has more bearing area to resist any binding in the tube due to the side cocking handle.... In addition, I made the MDS full length instead of stopping it behind the cocking handle.... Here is the bottom view....

Instead of turning a 20 deg. bevel where the sear catches, I milled a flat to clear the sear and then milled the catch point on a 20 deg. angle to match the sear.... The new hammer is less than 2 grams heavier, and I like the appearance better, it looks like it should resist binding in the tube better than the first version with the shorter bearing length.... It's not worth changing the first one unless there is a problem, and having the two different versions will tell me if there is an issue with binding when cocking....

Airgun Ammo / Re: Jkhan noblesse .22 and 30g bbt
« Last post by maddoghutty on December 09, 2017, 05:56:15 PM »
Hi oneshot I also have the Noblesse. 22 and have been also looking to buy a mould so I too can mould my own pellets. But been from the UK and never done this before could you tell me what mould to buy to create the same pellets you have created. I think that target you shot in a 9mph wind was great 3 in the same hole spot on. Like I said I have never looked at custom pellets before so if you have found a better one than what you already did here I would like to hear about it. Also if you would tell me what to order to make the same rounds. So please pm me or msg thx.
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