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!

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.

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.

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

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

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

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

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

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

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.

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?

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

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.

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!

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

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

Porkchop Sandwiches : 1:48

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.

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

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

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

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

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

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

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

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

Z Blanc : In 1millisecond its waaaay up there

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

soviet_pig : This is awesome! We NEED more attempts!

NoBigDeal : I don't see the curvature of the earth, therefore the earth must be flat.

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

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

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

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

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

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

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

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

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

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

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.

Al Guien : Do you have any Cannonball wound ointment?

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

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

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