Thread: Duck Efficiency
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Old 11-21-2011, 07:18 PM   #15 (permalink)
chopper duke
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Join Date: Jun 2008
Location: Metro ATL

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Okay, I swapped the springs back and did some more testing. I used 3 12grs with some older All Star (from Labor day). On Labor day it was measuring out at .692. Temperature was 82*, humidity was 63%.

Stated with Velocity Adjuster flush with bolt face. Springs are silver main, red valve. Chronograph was an X-Radar.

12gr 1:
  1. 254
  2. 253 Turned in 1/4 for shot 3
  3. 254 Turned in 1/4 for shot 4
  4. 265
  5. 267 Turned in 1/4 for shot 6
  6. 270
  7. 274
  8. 269
  9. 268
  10. 270 7.763160868 Standard Deviation for first 10
  11. 264
  12. 265
  13. 266
  14. 263
  15. 264
  16. 262
  17. 261
  18. 258
  19. 257
  20. 251 4.581363213 Standard Deviation for second 10
  21. 258
  22. 262
  23. 259
  24. 263
  25. 259
  26. 259
  27. 259
  28. 255
  29. 253
  30. 246 4.922736366 Standard Deviation for third 10
  31. 253
  32. 243
  33. 231
  34. 221
  35. 200 20.48902145 Standard Deviation for last five
Average Speed: 256.4571429
Standard Deviation for 12gr: 14.43920899


12gr 2:
  1. 270
  2. 263
  3. 265
  4. 275
  5. 275
  6. 271
  7. 268
  8. 265
  9. 264
  10. 259 5.25462759 Standard Deviation for first 10
  11. 259
  12. 264
  13. 265
  14. 264
  15. 258
  16. 259
  17. 258
  18. 256
  19. 263
  20. 252 4.157990968 Standard Deviation for second 10
  21. 257
  22. 255
  23. 254
  24. 254
  25. 249
  26. 249
  27. 251
  28. 251
  29. 249
  30. 245 3.596294389 Standard Deviation for third 10
  31. 251
  32. 243
  33. 249
  34. 230
  35. 226
  36. 215
  37. 202 18.21563954 Standard Deviation for last 7
Average speed: 254.1351351
Standard Deviation for 12gr: 15.47157871


12gr 3:
  1. 270
  2. 267
  3. 266
  4. 265
  5. 253
  6. 262
  7. 255 5.601587077 Standard Deviation for first 10
  8. 257
  9. 259
  10. 258
  11. 261
  12. 251
  13. 255
  14. 258
  15. 247
  16. 250
  17. 252 4.565571645 Standard Deviation for second 10
  18. 254
  19. 251
  20. 258
  21. 249
  22. 247
  23. 247
  24. 252
  25. 240
  26. 242
  27. 239 6.190494505 Standard Deviation for third 10
  28. 244
  29. 241
  30. 244
  31. 230
  32. 231
  33. 213 11.95686693 Standard Deviation for last 6
Average Speed: 251.4
Standard Deviation for 12gr: 11.97350015
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