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Old April 17th, 2013, 07:54   #433
T-Hell
 
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Join Date: Jul 2008
Location: Winnipeg Manitoba
Testing C02 Vs Green Gas (Propane with Oil)

in prep for all this I wanted to get a bit of a base line on FPS. so I installed the 510 Inner and the stock hop up rubber.

NOTE:
(1): I set the hop up to roughly the middle...
(2): the Hop up was NOT adjusted from first shot to last.
(3): Gun was shot in +21 Degrees C
(4): time between shots 4 sec aprox

here are the results

Using C02 with KJW .2 BB's (most of them shattered against my garbage can)
Readings:
446.8
347.3
378.9
430.9
429.7
429.7
428.4
421.7
358.0
423.1
424.6
410.4

Using C02 with WE .36 BB's
Reading / Convert to .20
345.0 / 463
365.0 / 490
352.0 / 472
361.0 / 484
360.3 / 483
351.5 / 472
331.0 / 444
351.5 / 472
363.4 / 488
385.7 / 517
367.7 / 493
360.6 / 484
358.8 / 481
365.0 / 490
357.5 / 480

Using Green Gas (Propane and Oil) with WE .36 BB's actual reading / converted to .2
262.4 / 352
327.0 / 439
363.5 / 490
363.3 / 487
355.7 / 477
339.6 / 456
355.0 / 476
313.3 / 420
342.4 / 459
330.3 / 443
334.4 / 449
314.8 / 422
354.7 / 476
307.4 / 412
342.2 / 459
320.4 / 430

so the conclusion I draw from these readings is CO2 may be more stable (note these were Canadian Tire C02 cartridges - I am not sure if better C02 would be more consistent. This gun does not perform at all well with .2's meaning Chronoing with .2's at a game will give false results much lower then reality.

the Stock hop rubber was used. which is crap

all readings done on an Xcortech Chrono mounted on a Manfrotto Tripod.

BB's used:
.20 - KJW sample pack
.36 - WE BB's (Green)
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