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Thread: Official Data Thread

  1. #1
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    Official Data Thread

    Deep Blue,

    By request I have added this thread to hold the data that is discussed in various threads here in Deep Blue. It is NOT for posting so please don't force me to delete them.

    If you think something is appropriate for entry here please post the request in a separate thread for everyone's consideration.

    Thanks

    AGD

  2. #2
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    This data graph shows the air pressure buildup behind the ball in a Dark Angel. The solid line represents pressure, the dotted line is a sensor at the end of the barrel and detects when the ball leaves.

    AGD



    Could not find this pic AGD 10-11-06
    Could not find this pic Bunny 05-28-17
    Attached Images Attached Images
    Last edited by Bunny; 05-28-2017 at 08:43 AM.

  3. #3
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    I decided to put up more data since you guys are having fun with it. Behold the mighty Angel.

    AGD



    Could not find this pic Bunny 05-28-17
    Attached Images Attached Images
    Last edited by Bunny; 05-28-2017 at 08:43 AM.

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    The beloved Cocker.



    Could not find this pic Bunny 05-28-17
    Attached Images Attached Images
    Last edited by Bunny; 05-28-2017 at 08:43 AM.

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    The "buy it becuase it's low pressure" Impulse. Looks about the same to me...

    Not sure if this was calibrated before testing, I seem to remember the peak pressure being around 60 psi.



    http://www.spectrashift.com/AGD_DATA/blast04p.png

    Could not find this pic Bunny 05-28-17
    Attached Images Attached Images
    Last edited by Bunny; 05-28-2017 at 08:46 AM.

  6. #6
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    Ah the Matrix, the only marker that would waist time holding the bolt closed after the ball left...



    Could not find this pic Bunny 05-28-17
    Attached Images Attached Images
    Last edited by Bunny; 05-28-2017 at 08:46 AM.

  7. #7
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    And last but not least our very own Emag. (pre level 10)



    Could not find this pic Bunny 05-28-17
    Attached Images Attached Images
    Last edited by Bunny; 05-28-2017 at 08:46 AM.

  8. #8
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    general description of the ball in flight photos.

    101.jpg

    http://www.automags.org/~tomagd/1%20spindata/101.JPG (Broke Link, Leave as Breadcrumb.) - Bunny
    Last edited by Bunny; 05-28-2017 at 08:48 AM.

  9. #9
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    Here are the very high res tiff files of the photos. They are about 4 megs each use a cable modem. Go hear and download the whole subdirectory. DO NOT POST these files for discussion in the threads!! Use theme for examination only!! Use the JPG's below for posting.


    [URL=http://www.automags.org/~tomagd/1%20spindata/[/URL]

    AGD
    Last edited by AGD; 03-21-2006 at 11:13 AM.

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    Last edited by Bunny; 05-28-2017 at 09:38 AM.

  12. #12
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    114-3d.jpg
    http://www.automags.org/~TomAGD/1%20.../114-3d_lg.jpg
    3D interpretation of ball position in flight path. Upper right circle represents impact points, other circles denote postions in flight measureed in strobe shots. These are cad drawings to scale of the shooting range and strobe positions. If I remember right the shooting distance was 60 ft.

    114side.jpg
    http://www.automags.org/~tomagd/1%20...114side_lg.jpg
    Side view of same

    114axis_lg.jpg
    http://www.automags.org/~tomagd/1%20...114axis_lg.jpg
    On axis view of ball flight.

    114_lg.jpg
    Last edited by Bunny; 05-28-2017 at 09:30 AM.

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  14. #14
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    THE TIFF FILES FOR THE PAINTBALL SPIN PICS CAN BE FOUND HERE:

    spin data
    Last edited by AGD; 03-21-2006 at 11:26 AM.

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    Recharge rates for RT valve and popular tournament markers here.

    Recharge rates

    Bunny: Check the file name to determine type of marker

    rt600b.jpeg
    retro950cp.jpeg
    ang800mp.jpeg
    ang800ep.jpeg
    rtchar3p.jpeg
    retro950p.jpeg
    retro950ap.jpeg
    ang800fp.jpeg
    rt600ap.jpeg
    retro950bp.jpeg
    ang800Lp.jpeg
    Last edited by Bunny; 05-28-2017 at 09:19 AM.

  16. #16
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    RT recharge rate, graph spans one second.



    retro950cp.jpeg
    Last edited by Bunny; 05-28-2017 at 09:22 AM.

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    popular tournament gun vert reg, graph spans one second.



    ang800Lp.jpeg
    Attached Images Attached Images
    Last edited by Bunny; 05-28-2017 at 09:22 AM.

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    RT runaway mode two shots, graph covers one second.



    retro950ap.jpeg
    Last edited by Bunny; 05-28-2017 at 09:23 AM.

  19. #19
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    Angel, NOTE graph spans 10 seconds.



    ang800mp.jpeg
    Last edited by Bunny; 05-28-2017 at 09:24 AM.

  20. #20
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    Angel in rapid fire, one second.



    ang800fp.jpeg
    Last edited by Bunny; 05-28-2017 at 09:24 AM.

  21. #21
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    Have Blue Data

    Could not find pic AGD 10-11-06
    Could not find pic Bunny 05-28-17
    Attached Images Attached Images
    Last edited by Bunny; 05-28-2017 at 09:25 AM.

  22. #22
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    what type of camera was used for these photos?

  23. #23
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    Any 35 MM camer will work.

    However you need a setup designed by Egerton Strobe.

    You leave the shutter open in a dark room.
    Than you hook a strobe up to a sound relay with a delay.
    When the gun is fired the strobe fires on a delay and catchs the ball in midair. The flash puts it to film.

    Thats how Im guessing they did it.
    They can say Im wrong but I probably am not.
    All your farm animals are belong to us.

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    Thumbs up

    i'll have to try it.

  25. #25
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    Exclamation

    Some of the images are not viewable.

    Have you done the same tests on AKA markers, Shockers (new and old), et cetera?

    This data thread is a brilliant idea. More information is always more fun.

  26. #26
    Interesting images...although there are a number of broken links/removed files. Here's my question:

    What gun was used for the ball in flight test photos? More importantly, what caliber was the barrel, and what type of paint was that?

    Can you explain how you created the photo setup? I have no experience at analyzing photographs, but it looks like it's a single image created by exposing the film at millisecond intervals. However, at was distance was the camera from the path of the ball, and the barrel? What was the positioning of the mirror in relation to the path of the ball, and at what inclination? I see the markings remaining the same for the ball in the top image seen by the camera, but, the reflected images appear to show rotation. I'm not sure whether I'm seeing a rotation of the ball or the result of different camera angles as it flies past. It looks like the image is showing the ball rotating slowly clockwise along the barrel's lengthwise axis. Is there any chance of more photos from the same test? I wish I had found AO sooner, as all of this is ancient history, but it is quite an incredible read. Thank you for doing these tests and posting your results to us here.
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  27. #27
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    Links fixed 1-15-04

    AGD

  28. #28
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    Figured this belonged in the Data thread.

    http://www.flometrics.com/services/c.../cylinder.html

    The high velocity one shows vortex shedding in all it's nastiness.

    Go to the homepage. Understanding paintball IS rocket science!

  29. #29
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    f.y.i.

    from: http://www.munkies.net/ppig/viewtopic.php?t=3091


    "Cargo" wrote:

    Laser Tripping

    Alrighty, here we go. I have 6 photos crop'd and sized for display. No pics of the setup yet. I got 20 exposures, but about 10 of them are just the ball with no powder/co2 for referencing the air motion. I plan on doing another roll with what I've learned so far. Mainly that I need to control the amount of powder I put in the porting to create the right shot. So without further delay..

    These two shots show the actually CO2 air burst following the ball out of the barrel. You'll notice (or maybe not on the resize) that the white cloud only extends about 1/2in back into the barrel. These were firing's 2 & 3 off a fresh 12gram. Firings 3 & 4(not shown) shows wisps of condensed CO2 also, but very slightly.

    CO2 Push1

    CO2 Push2


    This pic, again with my mod'd hack job CCI barrel, shows more air current with a small amount of powder.


    And finally, the creme de'la creme.. (if only I had set the focus better, argghhh)

    Three progressive shots with pretty good powder control. You can see the laser very well in these.

    The ball has not exited yet. The pre-expelling powder set off the flash. Very cool.


    The ball just exiting the barrel.


    The ball 1 inch down range. Again, due to different baby powder loads it's hard to make a good comparision.


    So there you go. I'll probably stick another couple up here later, but these are the best I think.

    Did I tell you I'd catch the ball or what?

  30. #30
    The 4th shot clearly shows that the ball pushes a significant amount of air out the end of the barrel before exiting.

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