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| Airsoft Canada |
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| Spring Comparison
Chart |
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| Angel, Airsoft
Surgeon, Guarder, King Arms, KM, |
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| PDI, PGC,
Prometheus, Systema, Top Power |
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| These
springs were tested on a Tokyo Marui P90 TR using the following equipment,
upgrades and conditions: |
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| BB: |
Excel 0.20g |
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| Piston: |
Systema Red Polycarbonate
Piston (modified) |
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| Piston Head: |
Systema Aluminum w/
Bearings |
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| Cylinder Head: |
Prometheus |
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| Cylinder: |
KM TN Taper |
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| Nozzle: |
Systema |
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| Spring Guide: |
Prometheus v2 w/ Bearings |
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| Inner Barrel |
SystemA 6.04mm BS (335mm) |
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| Chronograph: |
Shooting Chrony F-1 |
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| Average Temperature: |
24.54º C |
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| Hop Up: |
KM Triple Camber RH 55
set OFF |
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| All
springs tested were in brand new condition |
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| Your results will vary from these published below. Different upgrades will provide different
results. The data contained in this
chart should only be used as a reference and as a comparison between springs.
Not as a precise predictor of your results. |
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| Spring Comparison Chart |
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| by Brian Wong, aka ILLusion ©2004 |
|
| Tokyo Marui Stock Internals:
290 fps |
|
| Angel |
Airsoft Surgeon
Fire Power |
Guarder |
King Arms |
KM |
PDI |
PGC |
Prometheus |
Systema |
Top Power |
Velocity (fps) |
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| |
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|
1 Joule |
|
307.435 |
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| |
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SP85 |
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308.07 |
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MS90SP |
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312.725 |
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| |
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90M |
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315.05 |
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| |
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M80 |
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325.2 |
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| |
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M90 |
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|
327 |
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| 120% 85-95m/s |
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|
327.655 |
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| |
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120% |
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327.95 |
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| |
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M100 |
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336.6 |
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| |
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SP90 |
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339.15 |
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| |
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MS100SP |
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340.185 |
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| |
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100M |
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340.56 |
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| 130% 95-110m/s |
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340.745 |
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| |
Stage 1 |
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354* |
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M100 |
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365.425 |
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| |
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130% |
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371.155 |
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| |
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140% |
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373.945 |
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| |
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150% |
383.4 |
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MS110SP |
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386.735 |
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SP100 |
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387.005 |
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M110 |
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389.24 |
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M120 |
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392.355 |
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| |
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120M |
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393.255 |
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| |
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150% |
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|
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395.45 |
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| |
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170% |
399.37 |
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| |
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130M |
|
|
|
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|
406.8 |
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| |
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SP110 |
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|
406.85 |
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| 140% 110-125m/s |
|
|
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414.68 |
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| |
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MS120SP |
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420.555 |
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| |
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170% |
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420.65 |
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| |
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M120S |
|
421.93 |
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| |
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|
M120 |
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|
424* |
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| |
Stage 2 |
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427* |
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| |
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SP120 |
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428.53 |
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| |
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M130 |
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436.95 |
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| |
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140M |
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443.66 |
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| |
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190% |
448.47 |
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| |
Stage 3 |
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|
463* |
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|
| Notes: |
|
| King Arms M100 spring tested must be mispackaged from the
factory. The test results yielded were exactly the same as the M90 and the
springs even appeared to be physically similar. |
|
| * Velocities indicated with an asterisk were derived by
obtaining velocities using Airsoft Elite 0.25g BBs through a Guarder Optical
Chrony, converting the result to Joules, and then applying that work (J)
amount to 0.20g for a calculated result. |
|
|
| ©2006 All Rights Reserved |
|
| All parts of this document must be reproduced in whole. Any fragmentary, incomplete or partial
publishing of this document without the expressed consent of the author is a
breach of copyright law. |
|
| Email me at: |
realbriguy(at)hotmail(dot)com |
|
| http://www.airsoftcanada.com |
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