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The Official High-Speed Camera Thread

All non-spudgun related discussion goes here such as projects, theories, serious questions, etc. All "off-topic" posts (aka useless posting, determined by moderators) will be removed.
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Unread postAuthor: jackssmirkingrevenge » Fri Jan 29, 2010 1:13 am

POLAND_SPUD wrote:when you finish that turret remember to test it on yourself first, just like that guy in one of his vids... ohh and of course it would be cool if you could film that in slowmo


Yes, wearing a fluorescent yellow chicken costume :P :D

Actually no - to keep with the spudfiles theme, in an elephant suit, previously soaked in petrol :D
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Unread postAuthor: psycix » Fri Jan 29, 2010 4:59 am

jackssmirkingrevenge wrote:elephant suit, previously soaked in petrol

Pink, I presume?

jackssmirkingrevenge wrote:We do :) case in point, there are two types of chrony owner, the ones that have shot their chrony and the ones that will shoot it in the near future ;)

They should pre-shoot the chronies at the factory so that we don't have to do it anymore.
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Unread postAuthor: MrCrowley » Fri Jan 29, 2010 5:03 am

psycix wrote:They should pre-shoot the chronies at the factory so that we don't have to do it anymore.

With a bullet with your name on it :D
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Unread postAuthor: jackssmirkingrevenge » Fri Jan 29, 2010 5:10 am

psycix wrote:Pink, I presume?


When something is burning, who's to a say what colour it is :D

With a bullet with your name on it


Thank you Baldrick :D
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Unread postAuthor: Ragnarok » Fri Jan 29, 2010 5:15 am

MrCrowley wrote:Personally I would've bought two EX-FC100's, one to keep around the firing range for Murphy's Law and the other to capture the footage...though i'm already spotting the flaws :D

Nah, if you had two, what you should do is set them up so they can be used as a 3D camera. 3D slow-motion FTW!
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Unread postAuthor: Insomniac » Fri Jan 29, 2010 5:30 am

Ragnarok wrote:
MrCrowley wrote:Personally I would've bought two EX-FC100's, one to keep around the firing range for Murphy's Law and the other to capture the footage...though i'm already spotting the flaws :D

Nah, if you had two, what you should do is set them up so they can be used as a 3D camera. 3D slow-motion FTW!


I couldn't help but think the same :D

Also, I just found out that Casio is going to be releasing a couple of improved models in the near future... the EX-FC150 and EX-FH25. They're only releasing them in Japan however...

EDIT: Turns out the article I read was outdated, I think these cameras have already been released...

EDIT EDIT: Damn... it is released, and has a bigger, better sensor which is supposed to be much less noisy, does all the same high speed stuff but 210fps has changed to 240, and they've added a 120fps mode at standard 640x480 resolution... also it can burst at 40fps, doing 9mp images (fc100 can only do 6mp in burst). Sorry JSR :lol:
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Last edited by Insomniac on Fri Jan 29, 2010 5:47 am, edited 1 time in total.
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Unread postAuthor: jackssmirkingrevenge » Fri Jan 29, 2010 5:45 am

Ragnarok wrote:Nah, if you had two, what you should do is set them up so they can be used as a 3D camera. 3D slow-motion FTW!


Or... use one to film the target and use the other to film the display for the other! GENIUS!

:roll:
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Unread postAuthor: Insomniac » Fri Jan 29, 2010 5:51 am

jackssmirkingrevenge wrote:
Ragnarok wrote:Nah, if you had two, what you should do is set them up so they can be used as a 3D camera. 3D slow-motion FTW!


Or... use one to film the target and use the other to film the display for the other! GENIUS!

:roll:


Haha, that's hilarious because I had the exact same thought yesterday... Probably influenced by that Simpsons episode where Bart destroys half the town by stacking 20 megaphones end-to-end :lol:

If only things were so simple...
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Unread postAuthor: jackssmirkingrevenge » Sat Jan 30, 2010 5:14 am

Before cleaning out the debris I decided to take advantage of the sunlight and make a couple of videos with my pengun v2, all shot at 1000 fps:

[youtube]http://www.youtube.com/watch?v=vKNbYe7gQCE[/youtube]


[youtube]http://www.youtube.com/watch?v=knBeZMFmetk[/youtube]


[youtube]http://www.youtube.com/watch?v=COU6NnkLF-0[/youtube]


[youtube]http://www.youtube.com/watch?v=IExNcajddXw[/youtube]

edit: here's a couple done with shots from my Weihrauch HW97K:

Zippo internals at 420 fps:

[youtube]http://www.youtube.com/watch?v=AuGoE-LidH0[/youtube]

Similar shot at 1000 fps, I particularly like this one because the impact dislodged the wedge I had put to angle the camera and it seems like it's following the shadow :D

[youtube]http://www.youtube.com/watch?v=14KBU6P7pyY[/youtube]
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Unread postAuthor: Ragnarok » Sat Jan 30, 2010 6:30 am

jackssmirkingrevenge wrote:I particularly like this one because the impact dislodged the wedge I had put to angle the camera and it seems like it's following the shadow :D

Highspeed tracking!

The earlier ones are kinda neat as well, because while it's not completely clear*, it is just about possible to see the projectile as a faint blur in a couple of the frames.

*Although I do still mean to get back to my plans to try to get a clear picture of a projectile in the air.

The first one is also cool for the fact you can actually see the time difference between the hole in the front of the tin and the hole in the backing behind it.
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Unread postAuthor: Insomniac » Sat Jan 30, 2010 6:35 am

Very nice.... I doubt you would ever manage to get a shot like that last one if you were actually trying to.

Try filming with the camera looking along the barrel of the gun, I think it's fairly likely you'll be able to track the projectile without much difficulty (particularly if it's large-ish, slower projectile)
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Unread postAuthor: jackssmirkingrevenge » Sat Jan 30, 2010 7:03 am

I taped the camera to the barrel of my old BBMG, here it is at 1000 fps. You can clearly see the "jackhammer" effect of low pressure BBMGs, the individual shots have very little power, not enough to penetrate the aluminium plate alone, but the concentrated fire at a high rate allows the stream of BBs to tear through anyway.

[youtube]http://www.youtube.com/watch?v=1gjN8P7k-p4[/youtube]
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Unread postAuthor: Insomniac » Sat Jan 30, 2010 7:16 am

Very interesting footage there.

Though I have to ask... Why are so many of your targets so bloody cheerful? :D
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Unread postAuthor: jackssmirkingrevenge » Sat Jan 30, 2010 8:06 am

Insomniac wrote:Though I have to ask... Why are so many of your targets so bloody cheerful? :D


They know I have a high project failure rate so they sit there smugly thinking "pffft, it'll never work..."

Here's a video from the side showing a 3mm rod fired at 800 psi from my pengun v2 through a cd cover and tin can, you can just see the projectile. It tumbled significantly after hitting the case and actually went through the can sideways :shock:

[youtube]http://www.youtube.com/watch?v=UG-l_XeguEQ[/youtube]
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Unread postAuthor: Insomniac » Sat Jan 30, 2010 8:34 am

And it still went all the way through :D

You should try shooting at water, with projectiles both skipping on top, and being fired straight down into it.

I fired a small (6mm?) metal bb from a small combustion straight down into a clear container of water, and it left a nice cone-shaped depression in the water as it went through. It would be very interesting to see how various projectiles penetrate through water when launched with your much more powerful launchers/airguns.
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