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/ ryananddavid
For our FIRST official video, we launched a brand new GoPro Hero 4 Session out of a cannon and attempted to catch it.
Successful catch (Uncut):
• Video
Please leave a comment for future project suggestions!
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Nice work, boys! Keep it up! #GoPro
+GoPro Thanks! Kinda bummed though. We discovered a simple solution to the spinning issues that same night! And we were recording at 30 FPS only..forgot to change the settings. Maybe we'll try it again later.
+Eclectical Engineering i reaaally want to see an image stabilised version of this shot now.
+Eclectical Engineering Yeah, try straightening the spinning footage using Premeire, would be a "Baseball" view flying toward an outfielder!
+Eclectical Engineering how do you fix the spinning issue?
+k4zuki Stick a weight on the bottom side (within the projectile)!
cool idea... now phase 2, make it whistle and the deploy a parachute at max altitude. ;~D
you could incorporate an altimeter and deploy the shoot at a specific height on the descent
Your barrel is not smooth , therefore it will never land in the same place as before because it is unpredictable , you guys should print out a rifled barrel and it will shoot faster and more accurate.Well done guys! :)
Hey, they're from San Fransisco. They know nothing of guns .
A rifled barrel would make the projectile spin which is a bad thing when you have fins. Smooth barrel is the way to go.
who
Great! This was fun... I have a project coming up involving an air cannon as well... :)
Giaco Whatever sup dude
Loved it! And yes, please give us more geekery and applied science. And Fun!
Soooo cool! I loved the waltz :) Good job on the product development, looks awesome!
+Art Thou Thanks! We had a lot of fun with it. We're only hoping to improve the quality of these vids as we go on. Glad you liked it!
Somebody I know built a T-shirt cannon exactly like this for a science club project. He had big problems with the tank and the valve leaking air. I see you've solved those problems quite nicely. This is the best one I've seen. Great job!
This is so cool I love this so much keep it up can't wait for more 😉
been here since the beginning, and can't wait to see what is to come!
Awesome to hear that Robbert. Got some fun stuff planned!
Eclectical Engineering good! I love the videos that are out already, so I can only imagine what you have coming! Who's replying, David or Ryan?
+Eclectical Engineering how many of the 3d printed sabots did you have to make
You guys deserve way more subs
Wow can't believe this is your first video, awesome content already.
I love the fins!
Great job guys! keep up the good work! greetings from italy!
+FilippoBaruffaldi Grazie!
Great video and channel. Grettings from Argentina!
Awesome. I have a WWII helmet too. Oh, and nice catch!
y'all are going places
love this channel
Supreme athletic abilities like real engineers.
you guys are awesome and so creative
That was aaaawsssoommeee!
That was sick
WELL DONE , THOSE MEN !
Gizmodo brought me here, Awesome video!
I was here before 1 mil subs. proud to say that.
now that was cool. Can't wait till you guy's make a stable version and try to launch higher. :D
did you factor the speed of wind into the projectile motion equation
What voltage do you apply to the valve? Can it work on 12Vdc, or is it 24vdc ?
these people are amazing
holy hell, if only there was raw footage without the music, that whirring sound is amazing.
Coolio guys keep on going, Good luck.
ooooooor you can put a gopro on a quadopter drone ! hahaha that was fun to see the world moving this way
Nicely done! And thanks for the MM love! ;)
Great videos so far guys. Looking forward to more. My only suggestion is to normalize your sound volume. At times your dialog got quiet.
Pls make a video of How you Guys made that canon
U guys live in Oakland ?
AWESOME
Nice cannon. You could use it for baseball practicing catching pop flies.
How did the fins deploy? Spring loaded it aerodynamic effects?
Spring loaded
well now I know I can launch my gopro hero4 session from a cannon and it wont break haha
I'd be interested to see that footage with some heavy image stabilization
why do you guys only have 23.013 subs??? you deserve at least a mil
Does one of you play paintball? A set of Flex's is a pretty nice mask to just have kicking around haha
you 2 deserve more subs!
you deserve 2 more subs?
Jaqen H'ghar Approves This Comment. no :D this two guys deserve more subs.
i think this has potential
Why did the camera spin?
when I saw the headline my first thought was more money than brains. clearly it's a toss up. well done gentlemen!
Protip: If you don't have access to a 3D printer to create the projectile, tennis ball canisters will fit perfectly inside the PVC barrel.
Maths are different with air and that projectile shape Also nice litter
que buen video chicos buen trabajo
cool stuff
this is cool
can you do a vid on your cannon
To reduce the spinning, would adding some weight in the bottom side of the camera housing help? Maybe then if shot from a 45 degree angle the spinning in the flght path could be minimized. Naaahh nevermind bad idea. It will still spin around...
Is the sound while the GoPro is going though the air real or fx?
Real
ok, thanks
Eclectical Engineering
Wow..that was cool!! :)
I know the song in this video might be available under who-knows-what kind of dubious license agreement, but all I can think of is DigitalRevTV now since I heard that background song first over that channel.
Super legal e divertido, parabéns!
yalls is crazy smart
thrilling shots :)
mark rober sent me here
same
Hi David and Ryan! Here's an idea: 3D print the projectile with glow in the dark filament and instead of a GoPro you could fill the space with a 0 G trigger mechanism that shoots several flashes embedded around the projectile. If you film it at night with long exposure camera setting, it would be an awesome way to actually see how different shooting angles change the trajectory of the projectiles as well as its maximum height. :D
Really cool idea! We'll try something along those lines. Thanks for the tip!
Now attach a parachute that opens when its falling so the camera films the ground (cheap drone?)
Great!! Very fun... ;)
They should strap a Superman action figure on it and have a GoPro that would be really cool too! It also would be cool if they have his arms move when the thing would spiral
Can you provide the 3d printer files?
Haha fun!!
Surely the equations ignored air resistance?
the air cannon is easy... I want to your print data for the camera shell..
+Kobe Wild Check out our video description for downloads.
With a few modifications, you can make a potato gun. Instead of air, you can use hair spray (the chamber would probably have to be a lot smaller) and add a piezo-electric trigger.
+Marc Stevens - i have one ,bad is that it consumes too much of potatoes - but shots are 150-200 m distance ...
nice!
3:26 omg, he almost destroys his race laws
Looool
nice canon bro #gopro
NEEEEEERDS! (I mean that in a good way)
Very Neat - Wish You could Tweak the Fins , so it wouldn't Spin or Spin very slowly .. Still 2 Thumbs Up ! Especially the Catch & Musical Timing . . . Ha Haa Nice . .
they should create this helicopter projectile thing they can shot out the cannon to reduce the impact to the ground and also make a nice Birdseye view
Good job guys! (don't quit your day jobs just yet though)
nice video
Can you guys go more into depth on the mathematics at 1:21?
A flamethrower that actually shoots out air and the air can even blow a person off his/her feet
I only kinda miss the whole movie from the caught attempt, feels like you cut the most important part!
+pwfd Which part exactly? I can upload the raw footage and link it to you.
+Eclectical Engineering I miss the exact moment of the catch, from the flying camera's point of view :D
+pwfd Here ya go! kzhead.info/sun/esxmib6BjZqlfp8/bejne.html
nice
Fucking Amazing
Nice. Should have gone with 60fps though.
all those complex calculations and you kept missing the spot where it landed exactly?
parachute in tge projectile would have been more cool
Such important work for mankind. Your ability to use the bicycle pump and shoot that into the air is almost at genius level. Most parents brag their children became doctors, lawyers, surgeons or ceo's of great companies. Your parents can brag that you've discoved a way to shoot something in the air and then catch it. Sort of like your grandparents did with small plastic army men and parachutes when they were kids. Your success rates you right up there with: elected officials, telemarketing, use car salesmen or even becoming youtube aficionados with a cult following over 500 likes! Please Please tell me your parents personally funded your education and no tax dollars were used.
+thekingtroll2 keep hating
3:47, play at 0:25x
very cool the camera needs a para shoot lol
Hola
rc canonn
flux off haha
Intro
First video
That made me feel dizzy
# comments
Now fire a metal shell from a military cannon...
eCLECtical Engineering, not eLECtical Engineering. Mark rober sent me
Fix your bottom left text, it says "eclectical" engineering. It should say, "Electrical", other than that great video!
the goal of the attempts wasn’t clear and the whythis is awesome at the start of the video is non existent
It's a mortar. Stop that spin, or post-process to cancel it out.
This is your 160th comment on this video