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All Springer/NP/PCP Air Gun Discussion General
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PCP/CO2/HPA Air Gun Gates "The Darkside"
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New Convert with .25 Marauder Questions
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Topic: New Convert with .25 Marauder Questions (Read 3806 times))
Harpoon1
Marksman
Posts: 492
yes
Real Name: "Skimpy"
Re: New Convert with .25 Marauder Questions
«
Reply #40 on:
May 19, 2018, 04:52:11 PM »
Picked up a 177 Synrod also. Been monkeying around with the preload and stroke, along with pellet weights, etc, etc,...........
Here's the most recent captured string, before I tampered with the factory metering screw setting in an effort to flatten out the curve as much as possible. Factory setting was 4+ easy and set it to 2.5 turns from zero. And the speed went UP! To 900+! Wasn't expecting that. Venturi Effect/Bernoulis principle?
Still not happy with the accuracy or consistency, which kind of go hand in hand.
Anyway, i'd be glad to hear anyones critique of the data
BTW: fill was 2800 and stopped by 1500 IIRC, well below 2000 nonetheless.
4% looks like from 24-87 (discounting 1 shot 1 FPS below later in the string)
2% looks like from 46-69
Created: 05/19/18 12:31
Description: crosman 10.5
Notes 1: 3 turns preload
Notes 2: 10 turns stroke
Distance to Chrono(FT): 1.00
Ballistic Coefficient: 0.023
Bullet Weight(gr): 10.50
Temp: 77 °F
BP: 30.13 inHg
Altitude: 20.00
# FPS FT-LBS PF
90 834 16.22 8.76
89 834 16.22 8.76
88 841 16.49 8.83
87 848 16.77 8.90
86 845 16.65 8.87
85 847 16.73 8.89
84 848 16.77 8.90
83 851 16.89 8.94
82 860 17.25 9.03
81 871 17.69 9.15
80 861 17.29 9.04
79 859 17.21 9.02
78 857 17.13 9.00
77 859 17.21 9.02
76 864 17.41 9.07
75 867 17.53 9.10
74 869 17.61 9.12
73 862 17.33 9.05
72 873 17.77 9.17
71 874 17.81 9.18
70 858 17.17 9.01
69 872 17.73 9.16
68 868 17.57 9.11
67 880 18.06 9.24
66 869 17.61 9.12
65 876 17.89 9.20
64 881 18.10 9.25
63 878 17.98 9.22
62 881 18.10 9.25
61 872 17.73 9.16
60 870 17.65 9.14
59 869 17.61 9.12
58 874 17.81 9.18
57 875 17.85 9.19
56 862 17.33 9.05
55 866 17.49 9.09
54 864 17.41 9.07
53 880 18.06 9.24
52 871 17.69 9.15
51 879 18.02 9.23
50 859 17.21 9.02
49 863 17.37 9.06
48 872 17.73 9.16
47 864 17.41 9.07
46 869 17.61 9.12
45 861 17.29 9.04
44 857 17.13 9.00
43 860 17.25 9.03
42 873 17.77 9.17
41 867 17.53 9.10
40 857 17.13 9.00
39 859 17.21 9.02
38 852 16.93 8.95
37 849 16.81 8.91
36 853 16.97 8.96
35 857 17.13 9.00
34 851 16.89 8.94
33 849 16.81 8.91
32 851 16.89 8.94
31 864 17.41 9.07
30 858 17.17 9.01
29 859 17.21 9.02
28 846 16.69 8.88
27 844 16.61 8.86
26 858 17.17 9.01
25 856 17.09 8.99
24 850 16.85 8.93
23 842 16.53 8.84
22 845 16.65 8.87
21 831 16.10 8.73
20 841 16.49 8.83
19 835 16.26 8.77
18 828 15.99 8.69
17 838 16.38 8.80
16 822 15.76 8.63
15 827 15.95 8.68
14 824 15.83 8.65
13 822 15.76 8.63
12 823 15.79 8.64
11 826 15.91 8.67
10 827 15.95 8.68
9 821 15.72 8.62
8 810 15.30 8.51
7 819 15.64 8.60
6 809 15.26 8.49
5 807 15.19 8.47
4 803 15.04 8.43
3 807 15.19 8.47
2 814 15.45 8.55
1 811 15.34 8.52
Average: 851.8 FPS
SD: 20.4 FPS
Min: 803 FPS
Max: 881 FPS
Spread: 78 FPS
Shot/sec: 0.1
True MV: 855 FPS
Group Size (in): 0.00
Sent from my iPad
«
Last Edit: May 19, 2018, 05:11:54 PM by Harpoon1
»
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Hampton Roads, VA
SynRod .25
SynRod .177/X2
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HunterWhite
Hunter Whitebeard
GTA Senior Contributor
Posts: 4068
Bishop's Castle
Real Name: Hunter
Re: New Convert with .25 Marauder Questions
«
Reply #41 on:
May 19, 2018, 05:40:47 PM »
Nice.
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Arlington Texas
JSAR Mini Raptor, 25 cal, Condor 25, 2240, Umarex Colt, 177 FaTRod, M-Rod 25, Challenger 177😎 Plink responsibly!
dwalk
Marksman
Posts: 397
yes
Real Name: don
Re: New Convert with .25 Marauder Questions
«
Reply #42 on:
May 19, 2018, 07:17:46 PM »
most mods can be done in your home workshop with ease, too...another plus for the 25 Mrod.
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ca, aguanga
lead, follow, or get out of the way...
triggertreat
...2017 GTA (PCP class) ...Fun Shoot Winner
GTA Senior Contributor
Posts: 6841
☉ Aim high and shoot far ☆
Real Name: Keith
Re: New Convert with .25 Marauder Questions
«
Reply #43 on:
May 19, 2018, 08:52:04 PM »
Marauder takes the win for the second year in a row at the GTA Fun Shoot. This year was with the .25 cal Marauder by C.J (Ozarkairgunner).
Logged
Pensacola, Florida
✞
(1 Corinthians 2:9) Eyes have not seen, ears have not heard, neither has any mind imagined, what God is preparing for those who love Him.
22 Marauder (MMHF) - Reflex
25 Marauder (No choke) - Reflex
25 FX Impact II - Shogun
30 FX Impact II - Shogun
357 AAA Slayer - Emperor
AV-4500
Stikman Fill Assembly
Privateer
Retired and LOVEING it!
GTA Senior Contributor
Posts: 8768
Air is free until you start compressing it!
Real Name: Jeff
Re: New Convert with .25 Marauder Questions
«
Reply #44 on:
May 19, 2018, 08:53:30 PM »
Way to go C.J.!!!
Logged
Nevada, Ohio
I’ve got opinions but the Wife smacks them outta me.
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GTA
»
All Springer/NP/PCP Air Gun Discussion General
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) »
New Convert with .25 Marauder Questions