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Effectiveness of a Recoil Reducer
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Project Inspiration
Mercury Recoil Reducer
Spring Recoil Reducer
Foam Recoil Pad
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Experiment Design
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Reducer Assembly
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Reducer Installation
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Experiment Apparatus
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Experimental Setup
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No Reducer
Max: 257 ± 39 gMin: -195 ± 18 gSpan: 453 ± 29 g
-250
-200
-150
-100
-50
0
50
100
150
200
250
Time (s)
Acce
lera
tion
(g)
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15 Washers (minimal weight)
79 grams
Max: 302 ± 15 gMin: -158 ± 7 gSpan: 460 ± 12 g-200
-100
0
100
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400
Time (s)
Acce
lera
tion
(g)
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30 Washers
158 grams
Max: 315 ± 17 gMin: -150 ± 5 gSpan: 465 ± 15 g
-200
-100
0
100
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300
400
Time (s)
Acce
lera
tion
(g)
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40 Washers (maximum weight)
210 grams
Max: 258 ± 46 gMin: -168 ± 10 gSpan: 426 ± 54 g
-200
-150
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-50
0
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100
150
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Time (s)
Acce
lera
tion
(g)
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30 Washers (alternate spring)
Max: 296 ± 15 gMin: -147 ± 9 gSpan: 443 ± 19 g
-200
-100
0
100
200
300
400
Time (s)
Acce
lera
tion
(g)
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Summary of Results
No Reducer 15 Washers 30 Washers 40 Washers Alternate
Max (g) 257 ± 39 302 ± 15 315 ± 17 258 ± 46 296 ± 15
Min (g) -195 ± 18 -158 ± 7 -150 ± 5 -168 ± 10 -147 ± 9
Span (g) 453 ± 29 460 ± 12 465 ± 15 426 ± 54 443 ± 19
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ConclusionsThe acceleration curve did not spread out
The acceleration max value was not reduced
Ineffective at reducing felt recoil
Anecdotally it kicked more
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Suggested Improvements
Instrument rifleLubricate current configurationPut springs in tensionDamper (screen door closer)Liquid (mercury)Particles (lead shot or sand)