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Old 09-07-2011, 06:43 PM   #11 (permalink)
I'm Comin' To Getcha!
 
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k...just let me know....not sure what he'll charge,but,for mine it was $100...but also keep in mind mine needed alot of work due to being a custom built mutt
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I'm looking to buy these style JT Gloves
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Old 09-07-2011, 11:09 PM   #12 (permalink)
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How is B doing? I miss seeing his posts.
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I will lock this damned thread up if anyone posts that disgusting picture I saw once.
It like the CCM version of Two Girls One Cup.
I will ban folks.... I swear.
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Old 09-07-2011, 11:58 PM   #13 (permalink)
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He's doing ok physically,but,he's been out of work for a couple years and it's getting to him...he's seemed kinda depressed as of late,his heart definitely isn't into paintball anymore
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Old 09-09-2011, 07:35 PM   #14 (permalink)
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Sorry to hear that. I know I'm not the only one who hopes things get better for him!
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I will lock this damned thread up if anyone posts that disgusting picture I saw once.
It like the CCM version of Two Girls One Cup.
I will ban folks.... I swear.
TF

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Old 11-21-2011, 07:18 PM   #15 (permalink)
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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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id let her do things to my backside
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Old 11-24-2011, 01:00 AM   #16 (permalink)
starts off small at first
 
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Do you have a Lapco lowers kit?
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THE-SHOOTIST Anyone chubbin' like me for this?
mailmanmike Since Monday! That's more than 4 hours though, so according to those cialis ads I should see my doctor.
tlane77 I think for a non-chemical chubby it's 6 hours before its time to see a doctor. So you should be good for another couple hours.
splattttttt I wasn't goin to google "chubbin" because I assumed it had to do with fat. The lard type, not the fun stuff. But what ever feelings Jeff's experiencing, then they must be of the fun like stuff...
tlane77 He's got a woody for your woods.
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Old 11-24-2011, 01:04 AM   #17 (permalink)
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Quote:
Originally Posted by splattttttt View Post
Do you have a Lapco lowers kit?
I don't but here are the Powertube specs. The opening is bigger than a #6 (.189/.190):
From tip to Strike area: 1.4"
Strker thickness: 0.125"
from striker to end: 0.975"
Front of port to end: 0.41"
End of striker to end of port: .695
Opening: .195"
Total length: 2.5"
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Old 11-24-2011, 03:44 AM   #18 (permalink)
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I think you should try a valve diffuser and turn initial velocity higher. You're getting an okay shotcount but shooting at 250 fps ain't right!
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Old 11-24-2011, 04:10 AM   #19 (permalink)
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How long are you waiting between shots? I find the redux likes about a minimum of 8 to 10 seconds for the best valve pressure recharge/ 12ie warm up between shots. Just curious . . .
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Old 11-24-2011, 07:03 AM   #20 (permalink)
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Underneath is what's now left on NOG(Nelson Owners Group) since Brent decided to leave the sport.
At one time there was much more data through out the forum, but he went and deleted everything but what I was able to copy/paste here.
The information below is very limited, but it is a good starting point for a basic set up.
These days, I'm thankful enough to get 30 shots off of a 12g. That's a bout as many shots I ever need for most games that last 20min. or less.

Written by B; "Nelson style valve tuning for efficiency with 12 grams.


First off forget any notion of getting maximum efficiency from a vertical or bottom line layout. The key is to have the CO2 gas take the shortest path to the valve and remain in a compressed state. These techniques will also work on other set up but will not be as efficient as a direct and shot path to the valve.

Things you may need to arrive at the most efficient set up.
Nelson Spring Kit

Valve body back bottle, bobbed, or drop out any one of these will do.

Power tubes of at least two different sizes these are not necessarily necessary but will make for an efficient set in the long run, I suggest a Lapco #4 & #6. (P is for Phantoms)

A couple of valve seats with o-rings and a couple of cup seals put them together to have ready to go jet sets. These will make for easy tuning down the road but are not necessary.

Nylon spacer 5/8” long x 1/2 “ OD x .375 ID can be found at your local mega home center in the hardware aisle. These usually come three to a bag we will make three different lengths.

A light weight hammer Taso or Lapco will also be a nice addition but not necessary, both are out of production but with some hard work can be found on the internet.

Tools and such needed,

File, (small half round and one flat), hack saw (to cut the spacer down) Crocus cloth (rouge paper) for polishing the power tube some sort of drill to spin the power tube to ease polishing the power tube, oil, 12 grams plenty or a dummy set up for constant air, paint, chronograph and a note book.


First thing clean every thing bolt & hammer, body of the gun, valve. Next polish the power tubes to make them smooth, don’t go over board just want smooth and shiny.
Now assemble you jet sets if you have them (power tube, valve seat, o-ring, cup seal)
The next step is to cut down the nylon spacers the first I cut a 1/2” next at 3/8” and the last a 1/4". The first length may need a bit of trimming to allow the full travel of the power tube you will need to confirm this on the valve body. I cut the spacers down with a band saw but you may also use a hack saw. Try to keep the spacer as square and true as possible, use the files to clean up the ruff edges.

Next come the arduous part tuning, I start with the largest power tube, heaviest spring for the valve, and the lightest main spring with a light hammer. In general a heavy valve spring will be the most efficient one. Put a drop of oil on the valve seat o-ring and the power tube where it intersects. Make sure to set the velocity adjuster to its midway position of adjustment, and the bolt & hammer have some lubricating oil on them. Now starts the long process of tuning for efficiency, remember to let the 12 gram not chill to much take your time between shots don’t rush. You may need to go through all the combinations of tubes, springs and valve spacers you made to get the best combinations for you set up. This is what the note book is for so you can know if you are making progress. Remember to remove your gas source before opening up the valve to do adjustments. In my tuning I go for a velocity of about 265fps to 275 spikes will and can happen due to paint and ambient temperature. Generally the largest spacer will give the most efficiency but rapid shots will suffer low velocity. There is always a bit of a balancing act that needs to be done to fit your style of shooting/ playing. The most efficient set up may not work for your style of play just make sure to have fun and continually adjust to the game."
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THE-SHOOTIST Anyone chubbin' like me for this?
mailmanmike Since Monday! That's more than 4 hours though, so according to those cialis ads I should see my doctor.
tlane77 I think for a non-chemical chubby it's 6 hours before its time to see a doctor. So you should be good for another couple hours.
splattttttt I wasn't goin to google "chubbin" because I assumed it had to do with fat. The lard type, not the fun stuff. But what ever feelings Jeff's experiencing, then they must be of the fun like stuff...
tlane77 He's got a woody for your woods.
splattttttt land
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