Building The SUPERSONIC BASEBALL Cannon - Behind the Scenes - Smarter Every Day

Support and get a Baseball ⚾ 👉 / smartereveryday
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Main channel video is here: • World's Fastest Pitch ...
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I have been wanting to build this thing as long as I understood the physics of how it all works. A super big thanks to David Linderman, Jeremy Fielding, Trent, and David Woodall (the welder).
I realize most people who support Smarter Every Day don't do it for "transactional" reasons, (ie, I'll support Smarter Every Day to get stuff). I also realized that there is often a mental hurdle that must be crossed before support on Patreon starts. My thought is that I'd really like to give folks a baseball, and it might provide enough momentum to get over that initial hurdle. I signed the first shipment of baseballs I received, but I only have so many of those. There's no implication that my signature is worth anything.... it's just kind of what you do with baseballs... it's a tradition. After a certain number, it will transition to unsigned baseballs. I've got enough signed baseballs to over all existing Patrons, and many more, but I will wait a month or so to see how many I need to get, then I'll order the second batch. I like to support jobs and pay people for what they're good at and hopefully this will enable more of this. The machinists and welders who made the parts in this video for example. The whole intent here is to diversify away from solely being ad sponsored so I don't have to answer to anyone but myself and Patrons with respect to the types of content I choose to make. Thank you for understanding what I'm doing here, and even if you decide not to kick in at / smartereveryday , I'm super grateful you took the time to watch this video!
Thank you very much,
Destin
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GET SMARTER SECTION
When I was younger, my favorite baseball players were Cal Ripken Jr. and Nolan Ryan en.wikipedia.org/wiki/Nolan_Ryan
Nolan Ryan's fastball has been beat, but when adjusted for radar gun placement it may still be the fastest pitch ever:
www.si.com/extra-mustard/2015...
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Jeremy Fielding's KZbin channel:
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Warm Regards,
Destin

[@SmarterEveryDay2]

I have been wanting to build this thing as long as I understood the physics of how it all works. A super big thanks to David , Jeremy Fielding, Trent, and David. I realize most people who support Smarter Every Day don't do it for "transactional" reasons, (ie, supporting Smarter Every Day to get stuff). People usually support because they understand what I'm trying to do here and are of good will. I also realized that there is often a mental hurdle that must be crossed before support on Patreon starts. My thought is that I'd really like to give folks a baseball, and it might provide enough momentum to get over that initial hurdle. I signed the first shipment of baseballs I received, but I only have so many of those. There's no implication that my signature is worth anything.... it's just kind of what you do with baseballs... it's a tradition. After a certain number, it will transition to unsigned baseballs. I've got enough signed baseballs to over all existing Patrons, and many more, but I will wait a month or so to see how many I need to get, then I'll order the second batch. I like to support jobs and pay people for what they're good at and hopefully this will enable more of this. The machinists and welders who made the parts in this video for example. The whole intent here is to diversify away from solely being ad sponsored so I don't have to answer to anyone but myself and Patrons with respect to the types of content I choose to make. Thank you for understanding what I'm doing here, and even if you decide not to kick in at www.patreon.com/smartereveryday , I'm super grateful you took the time to watch this video! Thank you very much, Destin

[@MiscMitz]

Talking to my better half about you and patreon again. Thank you so much for being a shining example of how we should conduct our activities to be an example for Him.

[@latviantrainy968]

Nice, I liked it!

[@Scott_C]

Just shifted my patreon support to include you. I don't know why I didn't do it earlier. Love your content and your goals. Keep it up brother.

[@EvilizedDead_EVL_DED]

I want to support you, as soon as I get something nice going on. I would also love to help you in anyway I could.

[@user-mf2gr3cz6e]

Destin, the 12 yo boy in me is sulting with jealousy that you have a supersonic baseball cannon and i dont

[@RealEngineering]

Jeremy has such a calming, confident energy. Admire that guy

[@justinwilson6106]

but I really wish he would ware safety glasses :)

[@nhdcrap09]

Love your channel!

[@fpshimanshuyadav171]

Love your channel bro 💪👊💯

[@690ccKTM]

Modest as well

[@darkcx3995]

Didn't expect to see you here! Love your content!

[@thethoughtemporium]

Seems like the obvious next step is, can you catch a super sonic baseball without turning it to powder. Super baseball mit? And then, how far away can you catch a super sonic baseball from

[@jerryfick613]

Or is it possible to launch a super sonic curve ball?

[@marioghioneto1275]

Jerry Fick that’s a question that needs answers FAST

[@kerbodynamicx472]

I think a supersonic baseball will go through your hand and snap your arm if you attempted to catch

[@cbradley4466]

The next step is to bring in the rotating bat to try to hit it.

[@ExtremeSquared]

@@jerryfick613 A supersonic curveball could be done with a curved barrel. No, really. Centripetal force in a curved barrel would cause increased friction on the outward side and impart spin.

[@Bill-Burns]

the more he talks to the welders at the shop, the more southern his accent gets haha

[@noc1891]

and spec the more crazy things he do the more southern accent he gets, he almost go full hillbilly :P

[@zashbot]

lmao I was just about to comment the same thing

[@newcode14]

Man when I go back down south to visit my accent is back in a day.

[@ArmchairDeity]

13:36 is when he really picks up on Southern twang! LOL I just came here to make the same comment! 🤣

[@kevinbacon8716]

When you have to annunciate to people in the professional setting you talk yourself out of the accent quite a bit but when you get back around the good ol boys you can let it fly. Happens to me every time.

[@sportz5740]

Best line of the build: "We like seeing engineers work... don't get to see that very often". 😁

[@emmaemmabeaute2578]

Bitte unterstützen Sie mich mit Abonnements und Fans meines Mikrokanals🙏🙏🙏

[@ianthetech1455]

Care to translate?

[@manuelpatino5879]

I'd like to see him push the canon to the limit and figure out why the vacuum is leaking.

[@dennissorensen8765]

It's like when my dad, in a conversation on the most expensive liquids in the world, told an electrician we knew that he'd consider the most expensive liquid the sweat of an electrician. Even one drop, and you know the job is going to be really expensive. That backfired immediately as our friend replied: "...says the watchmaker." 😄

[@bluef1sh926]

American guy builds a cannon to gain independence, what a story :D

[@MattH-wg7ou]

Underrated comment!

[@keyurkelkar4798]

That sounds familiar

[@qwsxedcrfv]

As a freshman ME student, this is both inspiring and incredibly interesting to watch. Thanks for making this behind the scenes Destin!

[@smartereveryday]

Keep it up! Mechanics of Materials is the class that really opens your eyes.

[@KnowledgePerformance7]

Same!

[@TBoy205]

As a senior CE major, prepare for non consensual anal intercourse from your courses and instructors

[@charliepeterson8397]

... wha-

[@Saberdud0405]

Junior ME student here. My roommates and I talk exactly like this. Loved to see how it's really done! Just like a lab project we do, but a lot more fun.

[@bwiltse2620]

As an Aerospace Engineer it was so cool to hear you pull out the "Theta-Beta-Mach" reference! Never thought I'd actually see someone use that, let alone a KZbin channel haha. Awesome project!

[@dylanshandley1246]

@Ivan Jakanov I’m not all that great at this science/physics stuff, and I’m definitely not an authority on this or speaking from expertise or anything, but iirc, the theta beta Mach equation has to do with measuring the leading (bow shock maybe? I forget the terms 🤷🏼‍♂️) shockwave and comparing that to the shockwave that looks to be the closest to the ball (normal shock maybe? Again, I forget) to be able to determine the Mach number an object is travelling at.

[@thecma3]

@@dylanshandley1246 The BTM equation relates the incoming mach, "turning angle" of the flow (i.e. the change in direction of the air as it hits some slanted surface), and the angle of the resultant oblique shock wave. It would've been difficult to apply here because it doesn't apply to detached bow shocks, like the wave leading off the front of the baseball, and it would be difficult to characterize the turning angle of the flow over the curved surface which resulted in the later oblique shocks that are seen.

[@Jujukungfu]

52:45 and on is the greatest ever. Those giggles when you know you've done something absolutely insane and it actually worked

[@Raydiayt]

The variation of southern accents in this video is amazing, and the amount of experience from everyone is even more amazing.

[@PullerzCoD]

Raydiayt was literally thinking the same, also funny how he gets more southern when talking to people with strong accents

[@alex0589]

They go from english to “i need subtitles” a lot

[@brandonthompson9957]

I'm the same way.. Grew up in a very southern county then went off to college with a lot of "proper speaking" people. My accident gets cut down a lot around them... Then I go home and it's right back to "Y'all ain't got none of dem?" lol

[@joshmckinney3254]

"At least we know how to do it" is engineer speak for "We need to start over" Edit: Also, I would like to order some freshly mashed potatoes, please.

[@hobosrev]

they might even be mashed before they leave the barrel

[@RENO_K]

a.. You're.. correct..

[@RENO_K]

I've never realized how much i say "atleast we know how to do it later"

[@MrKeserian]

@@RENO_K from my outsider perspective, engineering is math-informed trial and error. The hope is that you find the errors in testing before human necks are on the line.

[@steventhehistorian]

My mantra has always been "Build a supersonic baseball canon and I'll support you on Patreon." Thanks for teaching me so much over the years, Destin. Now take my money.

[@dillon8212]

As an engineer in a different industry, constructability is a HUGE deal in making a project/product successful. The discussion between engineer and fabricator is an important relationship because each discipline looks at the problem in a different light. The more ways you can look at something, the more ways you can spot a potential failure or something to improve.

[@shadowprince4482]

I'd like to see him push the canon to the limit and figure out why the vacuum is leaking.

[@Nesetalis]

I wanna know this too D:

[@levmatta]

Yeah, please show the fix. It will be greater

[@x0urce942]

seriously..the leaking vacuum left me so frustrated

[@KS___10010]

My guess would be a leak between the pressures chamber and the vacuum since the vacuum was almost perfect until they hit higher PSI. The difference in pressure could have done it

[@levmatta]

@@KS___10010 yeah, but another way to say that is that it is a design/execution flaw on that seal

[@matterwiz1689]

12:30 the welder speaks with this thick Alabama accent, and even though Destin was talking pretty normal American English, as soon as he starts talking to him he reverts into the Alabama boy.

[@dpuffer87]

Destin's accent goes about 15° further south in latitude when he hangs around the machinists and welders. Love it!

[@jeffbrach1214]

I once asked a buddy of mine "On average, how many tires do you remove when you replace the front brake pads on your car?" My answer, on average, around 2.5. Why, because after I put everything back together on one side, and move to other side, I realized I screwed something up on the first side and have to pull the wheel again. I thought I was the only one who makes boneheaded mistakes like this during projects. Imagine my joy to see Destin and his gang forget to put the gasket in or realize they needed to install one part after they installed another part, and with a slow head shake that I can imitate perfectly, they start to unbolt the part they just installed.

[@lolo2221]

I love how Destin's accent comes out more talking with the welders than talking to camera

[@NathanKrauseMedia]

The calmest engineering discussion I’ve ever seen.

[@LINKedup101]

That's because there's no office politics or college-aged egos to get in the way lmao

[@biohazard_]

yeah, they are having fun!

[@inthefade]

...While the camera is rolling ;)

[@Studio271]

There is something inexplicably unique about being in the room as a group of professional fabricators build something that you designed; it can be an amazing rollercoaster of emotion.

[@noahbenavidez3315]

The secondary Shockwave you are seeing is known as a "wake recompression shock". The curved Shockwave in front of the projectile is a strong detached bow shock; the weak shocks are known as oblique shocks that's occur at the flow separation point (the equator) of the sphere(oid).

[@noahbenavidez3315]

P.S I happen to know one of the best ballisticians in the world if you would like me to put you in touch

[@trisinogy]

Precisely. The shock waves in front of round (blunt) objects are detached from the surface (as opposed to those generated by sharp profiles, which are attached and generated considerable heat and wear), and this is precisely the reason why the Space Shuttle had a blunt nose: that is, to keep the shock wave away from the surface and reduce the thermal and mechanical load on the thermal barrier.

[@noahbenavidez3315]

Exactly! The shuttle may not have been the most efficient way to get to space but, it may have been the coolest spacecraft to ever exist! The engineering on that thing was amazing!

[@martinda7446]

@@noahbenavidez3315 When people scream and go mental at a SpaceX launch, while sure it is amazing too, I wonder if they forgot about the Shuttle, (I know they forgot Apollo), which as far as i'm concerned was ten times more amazing?

[@chaoticinflation5766]

“I don’t understand a single thing you just said” me to my engineering professors 😫

[@emmakai2243]

Sign of a great team working towards the same goal despite their own ego. Admitting you're wrong or not knowing something is always challenging.

[@bathbomber]

"You've got all this money to build a cannon, and you're putting it on *that* trailer" lol

[@dans_Learning_Curve]

"If you're the smartest person in the room, you're in the wrong room!" Confucius

[@williamhutton1752]

kindergarten teachers: 😐

[@deleted7446]

Conditions apply 😂

[@deleted7446]

Stupid,smart all are relative

[@bongo.monkey]

Jeremy is a stud, makes me appreciate his videos even more. The guy that delivers.

[@sagewaterdragon]

This was my favorite video that you've made to date. I'm attending Wichita State University right now, working my way towards being an aerospace engineer, and actual on-the-ground engineering, design, and development work like this is rare on KZbin (for a reason!). Somehow didn't know that you had a Patreon until today, supported it immediately, I hope you're able to make more large-scale projects in the future. This was clearly a lot of work, but it was amazing.

[@mattgoebel1626]

Go Shocks!

[@chickendog3042]

As a computer scientist I see the beauty in making something so complicated and over-engineered and not many will care. It makes me feel good

[@emadakbazli9540]

This air cannon is super simple though, they definitely didn't over-engineer it.

[@eideticex]

@@emadakbazli9540 You know the original idea is carried out with two popping seals on a tube. This is incredibly over-engineered for what it does and that's what refining an idea looks like.

[@iain3713]

@@emadakbazli9540 something like a burst disk design like what they do with similar gas guns would be way simpler than something resettable like this

[@havocblast8737]

I like this format more than the video on the main channel. I like seeing how you guys came up with the idea

[@candle_eatist]

this is the happiest we've seen this alabama man

[@Heeby-Jeebies]

This is an accidental documentary on the world's most expensive & over engineered spud gun. ...and I'm very okay with it.

[@VanessaScrillions]

Lmao this is exactly what I was thinking!!! Made a couple potato guns in college (for fun, not for any classes) and it's some of my best memories :D

[@planetsoccer99]

I just want to know.. How far can it go?! What's the best launch angle? So many aerodynamics questions

[@cptkirkpyro5656]

distance test coming soon?

[@ViiKing_]

The best launch angle is 45° and another question is how far does the ball have to travel before you can actually hit it with a bat.

[@kcrook6609]

I was wondering the same thing so I plugged the numbers into an online range calculator and case up with an answer of nearly 14 mile for the projected range with a 45 degree launch angle at 1538.46 feet per second initial velocity. That will put it outside the park - and maybe into another one.

[@sketchyAnalogies]

@@kcrook6609 that calculator probably doesn't account for drag, especially supersonic wave drag, but suoer cool!

[@alex0589]

That thing can probably cross state lines. As in: go from solid to vapor

[@sarastjohn8]

I had to leave a comment here because my son and I watch your channel, he is 4. He loves all of the things that you guys do to make him "smarter every day," and he said that he wanted to give you a hug to thank you! We have a lot of fun watching your show. Thank you for doing what you do!

[@ArmchairDeity]

19:59 - man watching the two welders interact with each other was heartwarming and brought me back to my days working in the shop watching the old timers joke and work and work together… that was my favorite part of this… well… other than the supersonic baseball.

[@Bumi-90]

Patreon was not my first idea when he said he wanted to gain independence with a supersonic baseball gun.

[@Luke-fb6ee]

"can you weld that without burning me?" tradespeople are such a blessed kind of crazy. i love the incredible confidence and trust.

[@robertbob5683]

Wow this was just super amazing and the ending just blew my mind. My grandpa built something similar on a smaller version. Instead of having compressed air he used a shotgun shell and an old milkhouse vacuum pump.

[@gamers209]

Funnily enough, the first pitching machines where more or less baseball guns, was a hand held device that used a powder charge to propel the baseball. Unsurprisingly, players weren't too enthused about standing in front of a baseball musket.

[@_wyans]

I want a mk2, with all the iterative revisions detailed in like, a 5 hour video series. This video was NOT long enough to thoroughly encompass the project. Basically, I loved it I need more! I can't help but notice the deflection in the recoil damper, it bends the supports significantly. And the lack of lubrication and anti-seize during construction made me feel a certain kind of unclean 😂 Such a great video. I love the second channel content.

[@ComeCaramelos_]

0:30 - "This video you are about to watch is an one hour logn video" Me: - "Too long" 1:02:24 - "Ok, looks like that was the last shoot" Me: - "OMG NO"

[@manaherb6]

I love how Destin willing to have fun and laugh like a little kid.

[@Azegreen]

I LOVE the way you showed the engineering process! I think this would be really valuable for any aspiring engineering student.

[@AtomicRooster190]

46:36 the test shot went right between the power lines. Safety Destin!

[@tatemantis9293]

Atomic Rooster That would be an interesting story to explain to the linemen when they come to fix it.

[@RHINO_Mk_II]

@@tatemantis9293 "No idea what happened to the power lines right across the street from where we've been assembling a howitzer all day long. Maybe it was the wind."

[@lacolo]

"...And a fun story from a small town, where a power line was reportedly taken down by a baseball. Several Major League Baseball teams have expressed interest in taking on the person responsible."

[@sputnikmk2]

I love how Destin gets more of an accent going when he's with his home state people

[@april-wr1mf]

Well yea an accent develops over time as it's just common to say things and do things in different places spend a year in any southern state don't lie to me and say you didn't pick up "y'all" I'm not southern and I say it every it day lmao

[@JimFrye1]

The amount of thought and consideration by ALL parties involved is amazing. The team work blows me away

[@stevendionne8451]

The audio in the planning part is so satisfying

[@SuperSecretSquirell]

Mmmmmmm McMaster Carr baggies. What dreams are made of.

[@operator0]

Depends on how good the engineers are. Nothing worse than getting 15 minutes into assembling a machine only to find out some critical purchased part was ordered wrong. "Well, I guess I'll pack my tools up and move over to the other corner of the shop and help Joe out with his machine for the next two days."

[@vipture.]

@@operator0 this used to be a non-issue but this year McMaster has been slacking, I've had a bunch of orders arrive partial/damaged Edit: I can't emphasize how much I relate to the second half of your statement, especially at the tiny 5 person shop I work at

[@cbearslife4950]

I’ve seen grown men turn into children dealing with the tome’s..oops, catalogs.. of the Master, err I mean company of McMaster-Carr.

[@dustin9258]

Underrated comment haha

[@RICDirector]

@@cbearslife4950 TOY STORE CATALOGUE. There. Fixed it for you! :)

[@phranklyn]

You need to put a model rocket in that thing and shoot it vertically!

[@ahmedriumaan5960]

Thats right

[@marioghioneto1275]

YES WE NEED THAT

[@OrionMelodyMusic]

How would it work? If you wanted to make it fit the tube, you'd have to remove the fins.

[@LKDesign]

@@OrionMelodyMusic Or they just use a proper sabot.

[@OrionMelodyMusic]

@@LKDesign You have sabotaged this thread!

[@Time2Warp]

Watching this makes me miss working alongside the fabricators/welders on armored vehicles. Any engineer who is willing to listen, learn the other side of the process, and put in hard work is always met with welcome arms. It makes you a better engineer as well as you see things play out in real life.

[@rcg42]

This is truly one of the greatest things ever built. I have my physics students make catapults, maybe baseball cannons are next.

[@tonythemedtravels]

As a recent BS grad in ME, I learned so much from watching this video and makes me want to design and build something right now. Great video! Thank you so much!

[@dominikkabala9592]

Now I understand why NASA is based in the south.

[@AlexandreJWKlaus]

and why it actually got to the moon

[@arcturus4762]

@@AlexandreJWKlaus Imagine if it was set in Poland lmao

[@natalieisagirlnow]

with scientists not from the south

[@AlexandreJWKlaus]

@@natalieisagirlnow the engineers are insane and the northenrn scientists make sure they do not cut corners

[@Vbbv22]

@@AlexandreJWKlaus yeah, speaking from experience? “The northern scientists make sure they do not cut corners”. I bet you aren’t even from the US lol.

[@seanmckee8382]

Love this! I'd be interested to see if lubing the barrel might increase velocity both by reducing friction and increasing the ball to barrel seal. In the future you and your crew need to go to the punkin chunkin contest!

[@DoubleDsDeliveries]

My signed baseball arrived yesterday. I couldn't be more happy than to support you and your channel. You're one of a few KZbin channels I do support and probably the one I root for the most. Good luck with all you're doing.

[@dracul1986]

The back end of this monster needs some more work, as soon as the sealing rod hits the rod of the pneumatic cylinder everything flexes, meaning all the force is transferred into the construction, in my experience that "stopping" cylinder needs more travel on its rod so it has more time to disperse all that force. Or, thinking about it, changing it to a hydraulic cylinder, since fluid is only 1 % compressible, you could use a flow valve to let the fluid move from the cylinder to a accumulator. If you calculate the pressure on the "stopping" cylinder you just put about 5-25% of that pressure into the bellows of the accumulator.

[@LINKedup101]

Well they gotta have something to do for Mark 2 of this beast. Fixing that and vacuum pressure in the barrel are probs top of the list. I for one can't wait to see it

[@smartereveryday]

You're right about needing more stroke. I disagree with the idea of going to hydraulic. Compressibility is our friend. We just need to spend some time on the back end heavily modifying things.

[@maxximumb]

@@smartereveryday Would adding more bracing from the top, back to the pressure chamber help? This would remove the torque on the two hollow tubes and then the rear assembly can't be pushed out of the way. It would also protect the seals as they all rely on linear motion. Any moment along the assembly will create uneven pressures on the seals and bronze bushings, potentially deforming them.

[@operator0]

I don't believe you could find a flow control valve that could take that kind of shock load. That's not really what they are designed for. The back end definitely needs more reinforcement. It may be the case that the movement back there cause the stripped out bolt. Just thinking about it off the cuff, I can envision those top bolts taking the majority of the load as the cylinder was pushed back and down. In fact, I might check the plunger rod on that cylinder for straightness.

[@LINKedup101]

@@smartereveryday what do you think was causing the issue with the vacuum in the barrel? Poor sealing from the tape or from the rod itself at the barrel?

[@tomh2628]

Its surprising how fast a hour goes by when your watching smarter every day.

[@shavono8402]

Thank you so much for making this video. It's hard to really explain how much of a service this video is, but thank you for taking the time to put this together so we can ride along as you do your work. People would pay a lot of money for access to this kind of information, and you've graciously made it available for free to anyone on the internet.

[@willinwoods]

Thanks for the BTS footage! I'm always amazed seeing professionals engineering and fabricating massive things like that... You earned your goosebumps, right.

[@chadayd]

The 2 round mounts are flexing when it hits the dampener causing deflection on the valve stem and the rear seal failure 58:40

[@Tinker001]

Needs support above the centreline too.

[@tricore6408]

Saw that too

[@Simadalen1]

Which also made for the bolt stripping out the thread in the aluminum, uneven forces acting on the aluminum block.

[@jan861]

The question everyone wants to get answered: How far would a baseball fly with this cannon?

[@thelegacyshow4248]

Calculations should be online and I dont think they're all that hard. Let me find out for ya. It should just be the drag on the ball, gravity, and the speed which should give you a nice little arc. Brb Edit: well, turns out the math's a bit harder than I thought, it may take a bit while I remember how to multiply, if anyone wants to take over or help out, go ahead, meanwhile imma go to sleep and handle the problem in the morning.

[@dozer1642]

🤔

[@jaredkennedy6576]

Just ask whoever's downrange of that garage door shot.

[@therealcannedtuna]

@@thelegacyshow4248 Using a simple projectile motion calculator, given the speed (1500 fps) and a launch angle of 10 degrees (which is probably more than what the trailer can do), we can expect the ball to fly about 7.29 kilometers. However, I do not think this calculator takes in the atmosphere as a variable, so this calculation probably way over the real distance. I am not in an advanced enough math class to do this math, so I tried to use calculators online. However, I got vastly different answers, from just shy of 100 meters to 3.3 kilometers.

[@thelegacyshow4248]

@@therealcannedtuna ah, indeed, thank you. I'll admit, I just got lazy and you picked up the slack for me. So thank you.

[@sbirdranch]

Your best video ever. Separates the observer's from the builders.

[@rjmackenzie]

I hope there's more videos on this thing, and details like why you were losing the seal on the vacuum. So much fun to watch.

[@martijnverstappen5764]

at 6:15 I was waiting for you to go "Foomp", and boy was that a perfect one

[@blockchaaain]

also 6:43

[@ironpine5815]

Two things: - I wonder what the range on this thing is . . . - It'd be sweet to get a schlieren image that's not doubled - something you could put on a poster and hang up in your room

[@kevinbacon8716]

Not to take away from the awesome content on the main channel but these long form content videos are my favorite.

[@handyhendos339]

This. Is. The. Greatest. Video. Of.all.time.

[@jacobrubydev]

When does anything ever go better than expected on the first try?!

[@FiiZzioN]

When a very talented group of individuals come together and give it there very best shot. From the engineers to the welders, they did a great job!

[@sansamman4619]

@@FiiZzioN or when you have very low expectations lol

[@ParabolicBox]

When you're not a hack and have experience with design and manufacturing.

[@michaelgian2649]

34:50 Most millwrights would turn the nut rather than the bolt. Pressure vessel and piping systems mostly bolt-up flanges using full threaded studs w/ nut each end.

[@cancer_sucks]

never a dull day with destin!! loved this, and the childish giggles followed by what have we done!?! perfect.

[@Simk1d]

I thoroughly enjoyed both the main channel and second videos on this one! Thanks for the hard work!

[@Orangie2008]

Anyone who ever made a spud gun and wondered how far it could be taken should be satisfied, now.

[@Tinker001]

nah... This is just stage 2.

[@Orangie2008]

@@Tinker001 🤣

[@MinistryOfMagic_DoM]

Imagine being the machinist who got this job lol. "They want to make a what now?" "Dang kids theses days." Lol

[@larryscott3982]

‘All I need is a job number, and budget. It’s ust another project. Maybe it could enter the PunkinChunkin contest.’

[@sommelierofstench]

all of this is way over my head when it comes to engineering, math, design, etc. but it’s very interesting to hear knowledgeable people talk about things. also really cool to see/hear about materials that are unique like the oil impregnated bronze

[@precast5613]

This video is even more of a nerd dream the the one on the main channel. Keep the engineering coming, love it

[@MrBoowashere]

Little tip: at 37m 15s. If you take the bolt out and put a plate down in the split of the split collar then put a bolt in the thread you can use the bolt to open the split collar gently :)

[@DerRindenmulchficker]

Basically the illegal holy grale of my german life!

[@derwahrenorm]

Yeah, thought the same. I can already hear the laughter of Jörg Sprawe if he ever coud shoot (or even sell) something like this in Germany. By the way nice user name! But I'm not sure if I want to hear the story of why you got that name...

[@MattH-wg7ou]

Pneumatic projectile toys are illegal in Germany?

[@Manawyrm]

@@MattH-wg7ou German law says something about projectiles in a barrel, no matter the type of propulsion. There's also an upper limit for the amount of energy a projectile can have (stuff like "nerf darts" is legal)

[@MattH-wg7ou]

@@Manawyrm I'm sorry for your oppression. As well as ours. I wish we could handle the freedom of an autobahn! 🙂

[@Manawyrm]

@@MattH-wg7ou We seem to have a 12x lower gun death rate per capita than the US, so those strict laws seem to do their job. Still: A rule exception for hobby projects like this would be nice, it looks like a lot of fun.

[@MukLander]

Man I had to go back and make sure I heard what I did. Just good to hear my hometown get mentioned. It’s awesome tht a part in this awesome machine is from just down the road.

[@jacklee9137]

Please make more videos of you guys working together. I like problems being solved and learning from all of you guys thank you so much for your hard work and dedication can't wait to see more of your work

[@bowtie2248]

4:21 literally me this entire video but i still love it.

[@azisandwich]

Haven't finished the first video now this

[@roboslug]

I had to cut this up and watch it over a few sessions but what an amazing build.

[@chrisrohde7696]

thanks for the close captions. i tell everyone that appreciates science and logical thinking about you.

[@bobvines00]

Destin, I'd _really_ like to see another video thoroughly getting into the weeds (or deeper) into the vacuum loss and especially the Engineering analysis you guys did on the individual components of the system. And anything you guys can _think_ of to be more extreme/radical with what you can do with this cannon! ;) I've never designed a high-vacuum system from scratch before, but did work on one "at work" where we pumped it up to ~6500psi or so. It really showed everywhere a leak could be!

[@benjaminbrown3939]

I wouldn't recommend doing that, as the cannon might explode if you pressurized it beyond even 1000 psi.

[@kodizzie3827]

The vacuum loss has got to be an issue with the front seal right? I'd love to see a tear down and full seal/bearing surface inspection.

[@Joeybagofdonuts76]

That would be my thought. I think a sheet of mylar sealed with a piece of rubber and a hose clamp will work better.

[@kodizzie3827]

@@Joeybagofdonuts76 I'd speculate (and this is why I want to see a teardown) that since the loss of vacuum seemed to get worse after each firing that the egress of air past the seal in the first moments of opening is very damaging, which makes me think it's a problem with the geometry of the seal more than the material itself. I do think it's possible to fix with a sturdier combination of materials, but at the same time I think it could be fixed permanently with a modification to the design of the seal interface (pending visual inspection of course).

[@Joeybagofdonuts76]

@@kodizzie3827 very possible.

[@TheClassypete]

Yes... Tear-down / Lessons learned video please. We need a 3rd channel that goes into even more nitty gritty detail with narration! More More More!

[@RICDirector]

@Yoferil And anyone who's tried to seal a flask with tape knows that there's a reason why Parafilm works better.....it's called wrinkles :)

[@cheaterman49]

Whoa the ceiling crane thing really is a lifesaver!

[@berky1976]

It is definitely one of the coolest things I've ever gotten to witness. Not first hand, but a huge thank you for doing this. Brings out the kid in me. I can only imagine how excited you were to see something that you created as a group be successful. I always thought it would be interesting to see what happens when that baseball hits another baseball.

[@BrandonGraham]

Man, that meeting and the entire process looked super fun. When I grow up. I want to work on projects like that. (I'm already grown up)

[@agentgalahad7473]

Good to know that others are also following the protocol. Like Smarter Everyday's videos before watching it. Love the content.

[@OH5EDP]

Ikr, I always like everything from Destin the moment I open the video. He just can't produce bad content.

[@agentgalahad7473]

@@OH5EDP yup

[@Alejanci]

I admire that you give people the possibility to learn about something extraordinary. Keeps the mind going.

[@draeath]

I love seeing stuff like this. Please continue adding such additional videos when applicable!

[@howardlam5565]

Amazing work Destin and team! I'm curious why you went with compressed air testing right off the bat instead of doing hydrostatic pressure testing. My understanding is that water holds much less energy than air under pressure as it is incompressible. If something does go wrong, you get a water leak instead of a catastrophic failure.

[@AarPlays]

6 seconds in and I've already giggled. This is they type of stuff I've been missing in my life since mythbusters closed up shop

[@scorinth]

For real, though. Can you imagine if there was another show about building big goofy contraptions, *without* all the fake reality TV drama? Some of the producers at Mythbusters tried to whip up that kind of drama and thankfully got fired for it.

[@cannesahs]

Beyond The Press youtube channel Not so scientific, but still good

[@stilcrazychris]

@ 1:01:56 you can see the, stitching on the ball, coming apart before it hits the target. This is so cool. Loved the video. Thanks for sharing, Chris from Missouri

[@josephulbrich7523]

This video contained so much explained, more in-depth knowledge. I absolutely love it. Please, keep teaching me :)

[@kolehawkins1155]

Guinness Book of world records for the fastest baseball ever?

[@sixft7in]

With enough velocity, EVERYTHING acts as a fluid...

[@StarSong936]

Yes, when I saw the baseball disintegrate, I thought it looked like a drop of water hitting a solid surface. I find this video fascinating. (at the risk of sounding like a Vulcan.)

[@spencerphilippinedream3706]

thanks for the hour long warning right at the beginning. wasnt what i was looking for but i guess i will grab some popcorn and kick my feet up, this should be fun.

[@Setsunaisama]

I fell asleep to this and dreamt Destin was building a giant mecha. Best KZbin dream yet!

[@beachboardfan9544]

How did you guys decide how long to make the barrel and how large to make the pressure chamber?

[@MattH-wg7ou]

When making my potato cannon I found that the ideal VOLUME ratio between combustion chamber and barrel is 2:1. So I used an 18x4" combustion chamber and a 36x2" barrel. Works beautifully. But of course that may not apply to a supersonic baseball cannon! Not to mention the vacuum barrel may change that dynamic as well.

[@MattH-wg7ou]

Volume of a cylinder is not just L x H. :-)

[@itsbradmin3423]

that is probably the coolest sounding air cannon I’ve ever heard.

[@arson338]

It was great to see everything come together for you guys I was truly excited as well

[@gngn2973]

What a fantastic group of people. Thanks for sharing the video.