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Thursday, July 8, 2010

VFC HK416 Chrono Tests

You might remember the original VFC HK416 footage I filmed prior to any upgrades in one of the earlier posts about this AEG.  You can review that post & footage here:  VFC HK416 Original Chrono Test

If you're just joining us here and have not been following my progress with this AEG, you can see it all here in this thread: VFC HK416 CQB Pyramyd Airsoft Blog Thread

Today, I've got some updated videos showing the new readings, which I have to say, I am quite pleased with.  Without further ado, here's Video Test 1:



There were several error readings, which if you know anything about the Shooting Chrony's, it was because I was not being a straight shooter, no pun intended. It's somewhat difficult to operate the camera effectively, shoot straight the 416 over the Chrono sensors, and watch the Chrono readings simultaneously. Whatever.


Here's just a second video that I was just messing around, but the results came out really with the exception of one shot which you will see. I won't spoil it for you.

Here's Video Test 2:




Here's the a VFC HK416 CQB chrono data recap for both videos:


Video Test 1 Video Test 2

355.9 355.9
360.8 360.8

364.5 364.5
363.4 363.4

354.4 354.4
367.7 367.7

360.6 360.6
365.0 365.0

359.7 359.7
365.0 365.0

319.4 365.2
368.4 368.4

365.2 367.6
363.2 363.2

367.6 364.6
199.3 365.2

364.6 364.1
365.2 364.8

364.1 369.4
364.8 366.9

369.4 368.6
366.9 369.8

368.6 366.5
369.8 365.0

366.5 366.9
365.0 368.8

366.9 364.4
368.8 364.4

364.4 368.7
364.4 367.3

368.7 365.3
367.3 371.0

365.3 366.4
371.0 363.4

366.4 367.7
363.4 365.1

367.7 366.7
365.1 367.0

366.7 363.9
367.0 363.9

363.9 370.0
363.9 367.7

370.0 368.1
367.7 364.7

368.1

364.7 368.0




368.0 362.9
Average 363.0 365.0
362.9 366.6
STD Dev 10.08 3.99
366.6 362.4
Low 319.4 354.4
362.4 364.9
High 370.0 370.0
364.9 367.5
Spread 50.6 15.6
367.5 365.2




365.2 364.3




364.3 368.2




368.2 368.0




368.0









Average 360.8 365.8



STD Dev 28.63 2.29



Low 199.3 360.8



High 371.0 371.0



Spread 171.7 10.2

For each test data group, I've included two sets of the same data, with the second column removing the one, extreme outlier to give you an idea of just how consistant the VFC HK416 CQB is shooting now. The first test shows a standard deviation of 4 FPS without the low-baller and the 2nd test drops down to 2.29 FPS with the low-baller ignored.  Both tests show an average of 365 FPS with the low-baller ignored, and even with the outlier taken into account, the averages were 363 and 360 FPS, respectively.  Not too shabby in my book.  But maybe I need to raise my standards.  I don't know. 

I think I'll hang onto this one.  For the next blog, I'll detail out exactly what I did internally to get it where it's at now.  Stay classy, San Diego and thanks for stopping by, but mainly stay classy.  Also, thanks for stopping by.  STAYCLASSY.

Airsoft.

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