GoPro Hero4 in a Cannon Ball

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gabenandee : WOW this is crazy. Never thought my Daughter's science project from last year would be so popular. Thank you all for watching. There are a lot of questions and I will try to answer them. First what is not shown is all the calculations that went into finding how high it went with different levels of powder. I will see if we still have the calculations somewhere. This video was just intended to show family and friends her video portion of her project. Second the bowling ball landed in the pond so we went out and retrieved it. I will look back for the extra video to put it up for those that are intrested. Thanks again for all your wonderful feedback!

Smarter Every Day 2 : Awesome

Jim Ruby : "We're going to put a GoPro in a bowling ball, and shoot it out of a cannon." With that sentence you have just earned a lifetime invite to BBQ and beer at my house anytime you want!

Martin the Mundane Musket Man : How does this not have more views? Edit: Had no idea linking this to reddit would get it *this* popular. When I posted it on reddit it had 869 views. Now it has nearly 200k. Damn.

Karrick : "And that kids, is why we have to spend the next 4 weeks building a new shed for our neighbors.."

halexander9000 : It sounds like the Tardis.

ColonelBumButt : That's not a cannon, that's a mortar

MidFlightRiot : Wherever these guys are it looks beautiful from the air.

Daniel Sohn : Great video, hope y'all never join ISIS.

CeCe Smith : I feel like I can smell the black powder

Jacob Cronk : 10/10 science fair project, would award

MCPrimetime : Finally, proof the Earth is flat. LOL.

Chase Cares : What an awesome way to get some aerial shots, I love it!

Ty Grenier : Neat project. I wondered how much that plexi being uneven to the surface of the bowling ball might have affected it, since it does add a tiny bit of drag. Probably not much, but I'm curious.

Simon TL : I think I saw that cannon and that place on a swedish tv-show many years ago 🙄

Shiranai Hito : Doing a quick math (I could be wrong) if the ball went flying for about 11s, it reached about 150m high, was fired at nearly 200km/h and traveled (assuming cannon pointing 80º up) about 100m horizontally. If the ball weighed about 7,25kg, and the energy released by a kilogram of powder is 3MJ, the efficiency is about 3,16% which is quite low (I guess?) Does it match any result of yours?

AuraAcqua : Looks like an opening for some sci-fi/highschool/redneck series. Cool. Phantom can't do that. Refreshing to see girls doing things they shouldn't too. Don't know if already exist, but camera gadgets can be developed with this kind of experiences.

James : Whoa... I did not know GoPro cameras are this INSANELY durable!!

Noa Strand : Roses are red Violets are blue You put a gopro in a flying ball But the earth still seems flat y'all

sorakirei : It's easy to forget how fast a cannonball travels. I love how it's just chillin' in the cannon then a blink later it's so high in the sky. Super fun to watch.

Habi : The earth rotates around bowling balls, what say you, flat earthers ?

TheiPotter : Im surprised the G-Forces didnt destroy the cameras electronics.

J Reich : I started to get motion sickness watching the slow motion. Worth it.

Mats Norway : Add a lump of rope to the rear. Should stabilise it a tiny bit

Porkchop Sandwiches : 1:48

Randall Flagg : Father of the Year for this!!! The calculations will be cool to see if had!

Peter Wilhelmsson : Let's take a sec to appreciate the G-force that camera survived.

Wasabi137SPM : you should put the canonball in with the camera facing downwards

Benjamin Hawkins : You should do this again but put another Go Pro directly on the back side and then stabilize the shot and combine them!

anRoboticus : Inb4 Eddie Bravo says go pros have fish eyed lenses

RJ : Beautiful countryside you live in!! ❤️❤️👍🏻

TheFurriestOne : That slow-motion is awesome! Impressive work and impressive durability!

Johnny Threefour : I had no idea it took so little powder to move something that heavy for that long.

Ryan : Now build one that can shoot the ball 2500 feet up, and laugh at drones with 400 ft cap regulations.

TheCuckThat'sOpenlyACuck : We're all from reddit, we love it!!!!!!

Nicholas : A sequence of frames pointing at the same direction would be cool.

Dick van Dyke : Nice job. Where do you live? That is astonishingly pretty.

XplosivCookie : A home made mortar... I'm pretty jealous.

Corcon : While it spun, it sounded like the TARDIS.

Swiss Diving : Solid 8 and a Half Tuck 8.5 8.0 9.0 8.5 8.5

Mox_au : next, 16oz of black powder.....

soviet_pig : This is awesome! We NEED more attempts!

themastertrevor : awesome! so cool. thanks for the upload!!

Zara B : In 1millisecond its waaaay up there

Queleimporta Pene : All these pedos in the comments saying stuff about his daughter! wtf?? You should all be put to death.

topcad : That was so much more enjoyable than I expected.

anamayshun : I got dizzy just watching it.

Abraham Linkens Sphere : They just made my list of people to pick up during the zombie apocalypse. Assignment: Demolitions

Bernard Kornfeld : Hope you won first prize - that was awesome!

Ben Hooker : How do you find the ball once its landed?