Caldwell chrono data for HW95L
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Caldwell chrono data for HW95L
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Topic: Caldwell chrono data for HW95L (Read 788 times))
Deerstalker
Sharp Shooter
Posts: 527
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Real Name: Dave
Caldwell chrono data for HW95L
«
on:
May 21, 2021, 12:48:08 PM »
I installed a Vortek seal with an ARH kit, (top hat, spring & guide), in my HW95L and these are the numbers for today which was a bright sunny morning. Did a complete cleaning, polishing and re-lube with GLP-205.
Created: 05/21/21 09:20 AM
Description:
Notes 1: HW95L with Vortek Seal & ARH kit
Notes 2: Sunny Morning
Distance to Chrono(FT): 4.00
Ballistic Coefficient: 0.021
Bullet Weight(gr): 14.66 H&N FTT
Temp: 66 °F
BP: 1032.46 inHg
Altitude: 495.00
# FPS FT-LBS PF
15 712 16.50 10.44
14 713 16.55 10.45
13 710 16.41 10.41
12 714 16.60 10.47
11 715 16.64 10.48
10 714 16.60 10.47
9 ERROR 2
8 712 16.50 10.44
7 709 16.37 10.39
6 713 16.55 10.45
5 717 16.74 10.51
4 718 16.78 10.53
3 712 16.50 10.44
2 711 16.46 10.42
1 709 16.37 10.39
Average: 712.8 FPS
SD: 2.7 FPS
Min: 709 FPS
Max: 718 FPS
Spread: 9 FPS
Shot/sec: 0.0
True MV: 724 FPS
Group Size (in): 0.00
Logged
USA, North Carolina, Cary
HW95L .22 "Crazy Accurate" MOS at 25 yards
AIRMAX 30, SF, IR, COMPACT 4-16 x 44 mm
Semper Fi
DanD
Nod and smile.
GTA Senior Contributor
Posts: 4476
A solid maybe
Real Name: Dan
Re: Caldwell chrono data for HW95L
«
Reply #1 on:
May 21, 2021, 03:28:25 PM »
Great numbers!
How's the shot cycle?
Logged
USA, upstate NY
Bayman
GTA Senior Contributor
Posts: 4838
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Real Name: Ron
Re: Caldwell chrono data for HW95L
«
Reply #2 on:
May 21, 2021, 05:30:02 PM »
Numbers are good Dave. Did your POI stabilize?
Logged
USA,
Hw30- .177- Vortek PG2, Tech sights
Hw30 Laminate- .177- Vortek PG2, Hawke
Airmax 2-7x32 AO.
Hw30-.177 Vortek PG3 steel, Hawke Vantage IR 2-7x32 AO
Hw50- .177- Vortek PG3, Hawke 4X non A/O
Hw95- .177- Vortek PG2, Hawke Airmax 3-9x40
R9 SE (Blue Laminate stock) - 0.020- Vortek PG4, Hawke Airmax 3-9x40 AO
Hw97SE (Green 77 Laminate stock)-.177 Vortek PG3, Hawke 4-12x40 Airmax
R1-.177 now 0.22 - Vortek Pg4, Hawke Airmax 3-9x40 AO
Hw95 Field Pro 0.22 custom Vortek kit, Hawke Airmax 3-9x40 AO
Hw98 0.20 Hawke Airmax 3-9x40 AO
P1- 0.20 now .177
Deerstalker
Sharp Shooter
Posts: 527
yes
Real Name: Dave
Re: Caldwell chrono data for HW95L
«
Reply #3 on:
May 21, 2021, 06:39:04 PM »
Quote from: Bayman on May 21, 2021, 05:30:02 PM
Numbers are good Dave. Did your POI stabilize?
Yes, the POI is back to what it was after I first installed the ARH. Thanks for all of the help and encouragement. After you know how these HWs are easy peasy to work/maintain. My wife shot 10 within 1"/1.5" at 25 yards this am. She is looking at the big 80 next month.
Logged
USA, North Carolina, Cary
HW95L .22 "Crazy Accurate" MOS at 25 yards
AIRMAX 30, SF, IR, COMPACT 4-16 x 44 mm
Semper Fi
Deerstalker
Sharp Shooter
Posts: 527
yes
Real Name: Dave
Re: Caldwell chrono data for HW95L
«
Reply #4 on:
June 11, 2021, 05:16:19 PM »
Numbers after about 300/500 shots. 95 is very smooth and accurate.
Created: 06/08/21 10:21 AM
Description: Benchmark for accurate rifle. One inch at 25 yards.
Notes 1: HW95 cleaned barrel.
Notes 2: Partly cloudy. Very accurate, see pic next.
Distance to Chrono(FT): 4.00
Ballistic Coefficient: 0.021
Bullet Weight(gr): 14.66
Temp: 76 °F
BP: 1022.46 inHg
Altitude: 495.00
# FPS FT-LBS PF
10 702 16.04 10.29
9 706 16.23 10.35
8 704 16.14 10.32
7 708 16.32 10.38
6 711 16.46 10.42
5 712 16.50 10.44
4 713 16.55 10.45
3 705 16.18 10.34
2 700 15.95 10.26
1 707 16.27 10.36
Average: 706.8 FPS
SD: 4.3 FPS
Min: 700 FPS
Max: 713 FPS
Spread: 13 FPS
Shot/sec: 0.0
True MV: 717 FPS
Group Size (in): 0.00
Shot cycle.
«
Last Edit: June 11, 2021, 05:21:23 PM by Deerstalker
»
Logged
USA, North Carolina, Cary
HW95L .22 "Crazy Accurate" MOS at 25 yards
AIRMAX 30, SF, IR, COMPACT 4-16 x 44 mm
Semper Fi
Deerstalker
Sharp Shooter
Posts: 527
yes
Real Name: Dave
Re: Caldwell chrono data for HW95L
«
Reply #5 on:
June 13, 2021, 10:59:39 PM »
HW95L .22 Pellet testing.
FPS = Feet Per Second and FPE = Foot Pounds of Energy.
FPE Formula is Pellet weight (gr) x FPS x FPS divided by 450240.
Assume that your H&N FTT pellets weigh 14.66 gr and the rifle is shooting at 710 feet per second.
Example 14.66 gr x 710 FPS x 710 FPS divided by 450240 = 16.41 FPE
450240 is 2 x velocity of gravity x 7000, (32.16 x 2 x 7000 = 450240)
450436 is 2 x velocity of gravity x 7000, (32.174 x 2 x 7000 = 450436)
The constant depends on which value you use for the velocity of gravity, 32.16 f/s/s or 32.174 f/s/s. There are 7000 grains in one pound. The difference does not matter which ever constant is used.
The Caldwell Ballistic Precision Chronograph iPhone/iPad APP uses 450240 as a constant for FPE calculations.
«
Last Edit: June 13, 2021, 11:06:17 PM by Deerstalker
»
Logged
USA, North Carolina, Cary
HW95L .22 "Crazy Accurate" MOS at 25 yards
AIRMAX 30, SF, IR, COMPACT 4-16 x 44 mm
Semper Fi
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Caldwell chrono data for HW95L