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Nerve - Chrono Data 
By Bill Mills - Jan 2005
Photos By Dawn Mills

Page1   Page2    Shoot-Down Test






WARPIG Ballistic Labs Test Results 
Test Subject: Smart Parts Nerve - Rapid fire comparison 
Paintgun and Air System: Nerve stock - Max Flo 4500-68 - .687"ID paint matched Freak Barrel 
Variable: Rate of fire 
Chronograph strings:  Each string represents three groups of 10 shots fired at listed intervals under microprocessor control. 
Temp: 78 F
Paint: DraXxus Hellfire

The data did indicate an average shoot-down when fired at 14 shots per second, a realistic, on field high rate of fire, as opposed to 1 shot per second.  It must also be considered that timing and regulator settings were in the stock configuration, and fine tuning may improve efficiency.
 
 

Nerve - 1bps
Velocity
Deviationfrom Mean
  
Nerve 14 bps
Velocity
Deviation from Mean
 1)
277.2
-10.4
1)
289.8
12.4
ƒ
 2)
272.2
-15.4
ƒ
2)
278.0
0.6
 
 3)
277.2
-10.4
3)
262.6
-14.8
ƒ
 4)
284.4
-3.2
4)
270.6
-6.8
 
 5)
285.4
-2.2
5)
273.4
-4.0
 
 6)
291.0
3.4
6)
288.8
11.4
 
 7)
299.6
12.0
7)
273.2
-4.2
 
 8)
288.4
0.8
8)
272.8
-4.6
 
 9)
293.6
6.0
9)
276.4
-1.0
 
10)
296.4
8.8
10)
273.8
-3.6
 
11)
299.0
11.4
11)
265.0
-12.4
ƒ
12)
279.4
-8.2
12)
273.6
-3.8
 
13)
274.4
-13.2
ƒ
13)
267.8
-9.6
 
14)
284.2
-3.4
14)
275.6
-1.8
 
15)
292.8
5.2
15)
278.0
0.6
 
16)
300.2
12.6
16)
273.6
-3.8
 
17)
283.2
-4.4
17)
274.6
-2.8
 
18)
278.6
-9.0
18)
273.6
-3.8
 
19)
286.4
-1.2
19)
288.0
10.6
 
20)
298.4
10.8
20)
279.0
1.6
 
21)
286.6
-1.0
21)
280.6
3.2
 
22)
281.4
-6.2
22)
267.0
-10.4
 
23)
284.0
-3.6
23)
283.4
6.0
 
24)
298.2
10.6
24)
284.4
7.0
 
25)
287.0
-0.6
25)
279.8
2.4
 
26)
282.6
-5.0
26)
273.4
-4.0
 
27)
295.8
8.2
27)
283.6
6.2
 
28)
295.6
8.0
28)
275.8
-1.6
 
29)
280.8
-6.8
29)
297.8
20.4
ƒ
30)
296.8
9.2
30)
289.0
11.6
 
 
High:
300.2
 
High:
297.8
 
 
 Low:
272.2
 
  Low:
262.6
 
 
E.S.:
28
 
E.S.:
35.2
 
 
Ave.:
287.6
 
Ave.:
277.4
 
 
S.D.:
8.2
 
S.D.:
7.8
 
 
 95%:
   ±3.0
 
  95%:
  ±3.0
 

Understanding the Summary Data

High: This represents the highest velocity in the recorded string of shots.

Low: This represents the lowest velocity in the recorded string of shots.

E.S.: Extreme Spread - this is the difference in velocity between the highest velocity shot and the lowest velocity shot.

Ave: Average - this is the average velocity of the string of shots.  This is the number to look at to compare whether velocity is increased overall, or decreased overall by a change in a variable.

S.D.: Standard Deviation - S.D. Is a mathematicall way of expressing how close most of the shots are to the average.  The lower the Standard Deviation is, the more consistent the velocity is.

95%: This is an easier to understand way of expressing consistency.  Statistically, there is a 95% chance than a given shot will vary this amount or less from the average.
 

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