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PostPosted: Tue Apr 12, 2016 12:03 am 
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Joined: Sat Apr 13, 2013 12:19 pm
Posts: 368
Location: Edmonton
robertr wrote:
Not sure what you mean by heart of fill Ariel, can you re phrase so I don't give you wrong info?


Hi Robert,

That's the pressure where the shot string is at its flattest when you graph it, and hence should be the most consistent given all things equal. I am looking at a scorpion SE and maybe modding it for a more tamer report.

Hope this helps.

Ariel

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PostPosted: Tue Apr 12, 2016 12:18 am 
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Joined: Wed Jul 01, 2015 2:14 pm
Posts: 305
Location: Manitoba
I would say from 220 bar down to 140 bar is where my rifle shoots the best, close range shots I could go lower maybe.


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PostPosted: Tue Apr 12, 2016 6:33 am 
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Posts: 368
Location: Edmonton
robertr wrote:
I would say from 220 bar down to 140 bar is where my rifle shoots the best, close range shots I could go lower maybe.


Thanks for all the good information Robert! Appreciated a lot!

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PostPosted: Tue May 31, 2016 11:34 pm 
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Joined: Wed Jul 01, 2015 2:14 pm
Posts: 305
Location: Manitoba
I bought something for my Scorpion SE a Huma regulator and also made a simple device called a Blast Tamer. Huma reg for shot to shot consistency and the Blast Tamer for reduced hammer bounce for more shots and lower noise level.
Here is a pic of the Blast Tamer device and installation on rifle. Gave it a quick bluing to blend in better. I will give some results after testing .
Thanks to Rkr on GTA for the idea.


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PostPosted: Thu Jun 02, 2016 7:03 pm 
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Joined: Wed Jul 01, 2015 2:14 pm
Posts: 305
Location: Manitoba
I have some results from the Huma reg, Blast Tamer combo. I went from 35 shots with the Huma reg to 44 shots adding the Blast Tamer, very nice improvement. This is the first test so more shots might be had, but for now I am going to just enjoy shooting my Scorpion SE as is. I could also go for 30 higher power shots, nice to have the choice.
If anyone wants more info just ask. First pic is a shot string with the Huma reg and second pic with the combo. I used CPM's for testing, I normally use AA 16's which have a lower ES.


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PostPosted: Sat Jul 02, 2016 11:01 am 
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Posts: 305
Location: Manitoba
5 shots at 50 yards, my best so far, using AA 16's. 3/16 ctc.


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PostPosted: Sun Jul 03, 2016 11:01 am 
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Location: Manitoba
:D :wink:


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PostPosted: Wed Jul 06, 2016 9:44 pm 
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Joined: Sat Apr 13, 2013 12:19 pm
Posts: 368
Location: Edmonton
robertr wrote:
5 shots at 50 yards, my best so far, using AA 16's. 3/16 ctc.


WoW with that grouping at 50 yards! :lol: :shock: Great upgrades you've done there Robert!

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PostPosted: Thu Jul 07, 2016 7:53 am 
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Joined: Fri Jul 27, 2012 6:32 am
Posts: 966
Location: Montreal
robertr wrote:
5 shots at 50 yards, my best so far, using AA 16's. 3/16 ctc.


Do you know how many people seeing this wish that it were there shots?

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HW 95 .22 Hawke 3-12x44 , Tuned by Motorhead
HW98 .177 Viper 4-16x50
BSA Ultra .22 MTC Mamba Lite 3-12-44, Regulated and tuned by The Rat Works, UK..


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PostPosted: Tue Sep 27, 2016 10:14 pm 
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Joined: Wed Jul 01, 2015 2:14 pm
Posts: 305
Location: Manitoba
I missed your posts guys, sorry about that. Thanks, most groups are around 3/8" to just under 1/2 ". Still think I can get a 1/4" group if the conditions are perfect.


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PostPosted: Fri Dec 23, 2016 9:20 pm 
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Joined: Wed Jul 01, 2015 2:14 pm
Posts: 305
Location: Manitoba
My latest string with a 1.6mm hammer spring I bought from XTX Air, regulator removed to compare with stock rifle when new. Things must be breaking in , I gained more fps and higher fpe.
Preload on HS backed all the way off.

Strings are with Benj. HP 14.3gr, 26.4fpe, ES - 30fps. Start pressure 3300, end pressure 2250psi roughly, read off Hill pump guage.
Put a couple other pellets I had through to see where they were at.
AA 16's - 870fps, 27fpe
H&N Barracuda 21gr - 777fps, 28fpe

Rifle when new. Rifle now with Blast Tamer and 1.6mm spring.
1.828 1.894
2.831 2.895
3.833 3.895
4.831 4.897
5.841 5.902
6.841 6.902
7.843 7.902
8.838 8.902
9.847 9.906
10.850 10.903
11.841 11.904
12.844 12.905
13.851 13.906
14.853 14.907
15.856 15.910
16.961 16.913
17.861 17.917
18.858 18.913
19.865 19.916
20.863 20.912
21.867 21.919
22.859 22.921
23.869 23.918
24.862 24.918
25.862 25.919
26.863 26.924
27.868 27.918
28.862 28.915
29.867 29.917
30.863 30.922
31.868 31.922
32.862 32.918
33.858 33.919
34.862 34.912
35.858 35.912
36.852 36.908
37.855 37.901
38.845 38.906
39.850 39.895
40.838 40.894
41.829


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PostPosted: Fri Jan 27, 2017 7:07 pm 
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Joined: Tue Jan 24, 2017 3:29 pm
Posts: 14
peterdulux wrote:
Totally missed the tape :shock:


:lol: m :lol:


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PostPosted: Fri Jan 27, 2017 7:08 pm 
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Joined: Tue Jan 24, 2017 3:29 pm
Posts: 14
It's a beautiful rifle! Enjoy it! :)


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PostPosted: Fri Feb 03, 2017 7:41 pm 
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Joined: Wed Jul 01, 2015 2:14 pm
Posts: 305
Location: Manitoba
Thanks Avra. Tinkering with the rifle while I wait for spring.


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PostPosted: Sun Feb 12, 2017 8:15 pm 
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Joined: Wed Jul 01, 2015 2:14 pm
Posts: 305
Location: Manitoba
My latest string with my Scorpion SE .22. Unregulated.
I am using the 18 grain H&N Sniper Magnum pellets, they shoot well out of the Scorpion.
The best efficiency so far using the Sniper Magnums, no change to the rifle.

1.832
2.834
3.840
4.838
5.844
6.840
7.843
8.843
9.847
10.841
11.850
12.847
13.851
14.855
15.847
16.847
17.846
18.852
19.847
20.851
21.850
22.853
23.855
24.856
25.853
26.854
27.851
28.853
29.849
30.848
31.846
32.841
33.841
34.839
35.839
36.832
37.832


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