😂😂😂 3:06 when the egg went back to visit the other _eggs_ ! 😅

I never would have thought that an air canon would have been able to shoot an egg without it exploding. I love the curve-ball effect too!

3:28 is hilarious, thank you so much for keeping it in

One caution: you don't see air compressor lines being made from PVC pipe, and it's against code. The reason is if something cracks the PVC pipe while under pressure, it explodes--with high-speed shrapnel. Steel line does not do this at reachable compressor pressures. There is a way to make the PVC pipe safe under pressure. Just wrap it with several layers of "stretch wrap" (thin plastic usually used for packaging), which is available at any home/lumber store. It keeps shrapnel from flying out.

@YeanyScience

9 ай бұрын

Thanks Slater, will do that

@paradiselost9946

9 ай бұрын

poly line is fine.. for lines. far easier to deal with. remeber, a lot of the poly lines used now are basically just irrigation line with a stripe or two added in the extrusion... and water hammer can far exceed the pressure of an air compresor. not so good for chambers. unless you can find scraps of big stuff. can get stainless fittings for soft drink bottles. theyll take far more than a sketchy bit of pvc pipe, pressure rated or not... thats the challenge of them bottles... adaptors. yeah, PVC scares me... ever since seeing a pool line explode.

@artsmith1347

9 ай бұрын

Really? If 100 psi air blows through a pipe wall made of solid plastic, it is going to be prevented from sending shrapnel through stretch wrap? Watch recoil of the housing as the pipe explodes around the 1.5-minute time stamp in the video I mentioned, "Plumbing Pressure Test With Air" I can't imagine that shrink wrap would have kept that pipe together.

@sciencetoymaker

9 ай бұрын

@@artsmith1347 Well, I've done it (wrap PVC pipe) and it does work--for 1/2" pipe. After the shrapnel issue was brought to my attention, I experimented with pipe sections under air pressure. I had to hit them with a hammer, so you could say that the odds of an explosion are low. But the stakes (eye injury) are high and ultraviolet degradation or damage during transport could create the situation. You are right: schedule 40 pipe is rated to hold hundreds of pounds pressure, but once cracked that goes out the window. PVC is "strong", but brittle beyond a certain point--analogous to diamonds being the hardest substance, but also brittle enough to knap. Art, your comment did make me think and reconsider. I only tested with 1/2" PVC pipe with its limited expansion capacity at any point along the length; it absolutely works. But Bruce is using much bigger pipe and I have no idea if would work for that, so thank you for questioning that.

Don't use the method at 3:37 to slow a 300mph egg :O To slow a high speed egg down I'd try either a number of blankets spaced maybe a foot apart or a staggered arrangement of progressively heavier/thicker fabrics. Starting with a sheet or 2, then some thin blankets followed by a quilt or 2. The other option would be dozens of sheets of newspaper spaced apart. With your air canon with the burst discs on it Destin at Smarter Every Day discovered that if you put a tee at the end of the barrel there is room for the air that leaks past the sabot (or whatever) to reside so that it doesn't act as an airbrake at the end of the barrel.

@itoibo4208

9 ай бұрын

I think start with very light materials, also. There is going to be the air pressure on the material, plus the egg yanking hard at all of the weight of the material at once. If he could shoot it into another tube of the same size, he might even be able to slow it down with air pressure against a sliding thing similar to the sabot.

@anomalyp8584

8 ай бұрын

a tee?

@Alan_Hans__

8 ай бұрын

@@anomalyp8584 . If you watch smarter every day's video he found that the "sabot" leaks air past it and that when it gets to the end there is an air cushion. By having a tee the air can be pushed out of the road rather than acting as a cushion before the burst disc breaks.

@anomalyp8584

8 ай бұрын

@@Alan_Hans__ I'm gonna check his channel and see if he can explain better what a tee is. You just repeat your original post.

That launch failure at 3:35 though! 😆

Very interesting, entertaining and educational, all at the same time. Great work as always Bruce. Hmm, slowing the egg down and bringing it to rest in tact, is certainly a tricky one. Off the top of my head, I'm thinking feathers, lots of feathers, or a great big fan blowing at around 300mph.👍😊

The egg from the slingshot went back in time!

I have an idea to stop a fast egg. If you take a bed sheet and hang it by one end, then slice it into 1" ribbons and have a number of layers (not sure how many) with the layers separated by about a foot, (just a guess) with the slices staggered, then have an uncut fitted sheet behind the whole contraption. I made something like that out of carpet to catch ballista bolts a few years ago. The idea was bolt would pierce a layer which would move up in an arc, then the next layer would move in a different arc and it would impede its forward motion and it would catch the bolt like a sea anemone. It worked for that, with an egg the layers would move aside but impart gentle friction. You must be a fun grandpa. Another material that could work along those lines would be superfine bird netting cut into strips. It's a tough problem, those cannon eggs want to cut through things.

My respects to you sir. You are the type of Teacher we all deserve. Your experiments are simple but the concept is very well conveyed. Thank you sir.

This was amazing! I would have never thought you'd be able to get an egg going that fast, in such a short distance, without it breaking.

Bruce is simply the best! I don't know but this has gotta be a world record. Why is Bruce out in the back yard swinging a golf club at eggs? ITS FOR SCIENCE!

Very nice video as usual, I think the best way to catch a 300Mph is by using a frying pan😁 Thanks Bruce and welcome back

Excellent stuff, as usual. I especially liked the backfire on the bucket catapult! Perfect shot, but did it hurt?

@projekt6_official

9 ай бұрын

Awww... you missed the perfect chance to say "eggcelent" ;)

@YeanyScience

9 ай бұрын

eggactly

@theinspector1023

9 ай бұрын

@@projekt6_official Damn! Bruce poached it.....

My thought for catching the egg would be to have it land in a low density fluid. I imagine water would be too dense and the egg would break on contact but maybe a low density fluid could slow it down without breaking it

Bruce you are the best.

This is one of my newest favorites Bruce, thank you! Those cannons and your high speed images slowed down are great!

I love your channel! it makes me miss science class (the best class) in my school days!

Sooooo I built your air assisted ping pong ball vacuum canon and used it to blow a hole in a patio chair....my wife saw this and just said ....".No.... don't even think about it. " . 😅 You have the happiest raccoons in the neighborhood, I bet! Thanks for the video. For egg stoppage....very thin sheets of tissue paper....each about an inch a part......lots of them . 😊

My idea for catching the egg is, as other people have said, a sheet. However, my guess would be that the mass of the sheet itself, as well as its ability to catch air, are going to be really important (like your ruler/newspaper demonstration!) My suggestion (if simpler methods fail): take a series of sacrificial (and thin) mylar sheets and punch holes in them with a holepunch. Hang these every few inches from something like a pair of clotheslines. suspend a second, intact sheet underneath to catch the egg once it stops moving horizontally.

My first thought in slowing it down would be to use a very lightweight net that would allow some air through, to avoid the air resistance of the fabric causing too fast a deceleration. Behind that you could place a solid fabric like a bedsheet, separated by a metre or so.

I know I'm late to the comments (and I haven't yet watched the follow up video on catching a 300 mph egg) but here's my suggestion. Using a silk bed sheet, similar to the setup you have at 11:17, do the following. Hang the sheet loosely from the line so when the egg is propelled to the sheet it will detatch from the line. Maybe the lightweight material won't cause the egg to break on impact and the billowing of the sheet will reduce the speed more gradually. An optional set up would be to have a line strung in the same direction as the barrel of the cannon. Suspend the sheet with rings so the sheet can easily slide along the length of the wire. Position the sheet so it will catch the egg and then hopefully slide dissipating the inertia of the 300 mph egg. Now I'm going to watch the follow up video.

Great work Bruce. It always happens ...I go to KZread to research one thing - see your video on my home page watch it and 10 minutes later say ..what was I looking for? 😂

Imagine being his neighbour a couple of blocks away and out of nowhere a supersonic egg punches through your front door.

My takes on saving the eggs! 1. A lot of layers of something that is so thin that breaking through it will not break the egg, each layer would capture more and more energy 2. Shot upwards and add a little parachute to the egg so it lands safely 3. Direct it with air pressure into an incoming air stream

3:33 that's hilarious

Hi Bruce! @Dan-tg5de proposed a low-density fluid. Actually, water works very well: I did some experiments with launching eggs on water rockets that were encased in a container filled with water. Only had some foam rings around the egg to make sure it doesn’t touch the walls. The egg is filled with liquid roughly the density of water, so when it is submerged in water it is only subjected to hydrostatic pressure, whatever acceleration you apply to it. As long as there is a minimal amount of water around the egg (1 mm), the stress on the shell is minimal. We launched these eggs to 70 m altitude and they came crashing down without parachute. After four launches the egg was still OK. Then we launched without the water just to have fun with the mess it creates ;-).

@YeanyScience

9 ай бұрын

Hi Martin, I'm looking to have the eggs free of any container or attachment, I'm finding it much harder stopping them safely than it was getting them up to speed safely

Thank you Bruce! Awesome as always

You can stop the egg using gravity, just fire it upwards. If you time it right: as it hits the top it can hatch and fly down.

I wonder if the surviving egg from the distance attempt was scrambled or did the yolk survive such a trip? I hope you investigate in your next video trying to stop them successfully.

That egg to the crotch shot was too funny. What were the odds of that happening? Thank you for sharing. Wish I watched this one first, then your plywood,, roofing, etc. Which it was fantastic too!

My recommendation for catching the egg: Have it land in a sacrificial medium. To protect satellites, NASA uses multiple layers of sheet metal offset from each other to slow down small meteorites. You could use sheets of plastic or paper to absorb the egg's energy and slow it down before it lands in your final stage of catching medium.

Wow, amazing result. I suspect this video will go viral. To brake the egg rather than break the egg, perhaps multiple alternating layers of food wrap and polystyrene beads somehow made to stand vertically? edit; or food wrap at either end of a tunnel filled with polystyrene beads?

Fun science! As for catching.... cheapest might be canvas drop cloth attached horizontally on two long ropes at a slightly increasing angle so impact is gentle, and speed is lost slowly to rolling?

Love the Clark Grizzwald mobile ! Lol. Great video

I think that if an ordinary sheet at rest can catch an egg without breaking it, then in order to catch an egg flying at high speed, you need a larger sheet (deeper) and some kind of air blowing into it. thus, instead of a "wall", we will have a curve, which theoretically will reduce the speed and allow the egg to remain intact

welcome back and thanks for giving metric equivalents.

Perhaps many layers of something the egg can pass through, where each layer is spaced out from each other. Something like Crepe paper. I don't know what you would call that in the states though.

3:32 and this is why safety is important when testing new things people

10:27 i appreciate the child documenting their experiences in order :D

Maybe hot glue a trail to the back and experiment with side fins to get a trifocal force. Like a kite tail then a bullet spin to keep the egg going straight and maybe spinning?

Your best video yet.

I think all you would need is a Series of sheets that breaks away from their support extremely easily.

The malfunction at 3:30 reminded me of those old Road Runner and Wile E. Coyote cartoons. Was the slingshot made by Acme?

@YeanyScience

9 ай бұрын

Couldn't find a name on it. Iwas very fortunate with the shot hitting my belt rather than lower

Great work, as always, Bruce!

" oooh yeah it so awesome to trow food "

Nice. Purely nice. Can't wait for next vídeo. I am thinking in stopping eggs with air flow.... would that be possible? Or making it pass thru water falls?...

This was cool :) Insect netting for gardens and orchards might work. Very stretchy. Cheap and useful for other stuff if it doesn't.

Love this guy😀👍🏻

I wonder if multiple layers of paper or cardboard would slow the egg enough over time ti keep it from exploding. Space the layers 6-10 inches apart or something so they didnt stack but just gradually slowed the object down? Great video.

Nice demo! Was shocked to see an egg move 329+mph! So to catch an egg, shoot it into a sabot that enters a cylinder that compresses air. Kinda like a mirror of the launching apparatus. Perhaps 2000 sheets of paper 1/4" apart absorbing energy and catching in a sheet. Pool filled with gelatin? Perhaps a non-Newtonian fluid that encompasses the egg and holds it intact as it begins to shatter. Dump truck of feathers? Will be fascinating to see what you come up with!

😂😂😂😂😂😂😂 😂 The egg in the slingshot coming back in slow motion, congratulations on the video, I'm already subscribed! You showed the mistakes too and that's important 😂😂😂😂😂😂

@YeanyScience

8 ай бұрын

fortunately hit my belt and not lower

Maybe you can spin the egg with some rifling in the barrel? I wonder how much straighter/farther it could go...

To slow a high speed egg down I'd try several 45º angled sheets alternating from each other (one on top, other on bottom, and vice-versa). Would it work?

perhaps you could create an electrically linked device that would also be pressure or maybe elastic powered. This could be a mesh sheet mounted at the corners that travels down a rail at ~250mph in sync with the egg and prevents the velocity difference ever exceeding the max a sheet can handle. Maybe you could also try having it pass through a long set of waterfalls, where water could slow it down, but would also have room to compress. Not sure if this would really be feasible considering how long it may need to be, but it seems less mechanically and electrically complex than the other idea. Putting it in a high velocity flow of air could also work, but seems either prohibitively expensive or really hard to line up depending on how you design it. Electric leafblowers or EDFs possibly?

Great video! Replay at 3:29 over and over 🤣

@bramfran4326

9 ай бұрын

😅😂

To stop the egg use a series of air curtains, and then a sheet. Maybe a large pipe with air flowing in the opposite direction as the egg.

To stop the egg, I would return to the chicken. Use a box of feathers on the entry side gaining in density toward the terminal side by mixing the feathers with foam or peanuts or something.

Is it possible to make the vacuum canon more efficient with a bigger tube at the muzzle? So the rest air in front of the air doesn't build up and decelerate the egg. More volume in the last part of the tube should lower the pressure build up. I guess for long barrels the difference should be the biggest.

Shoot the egg towards another air cannon, but put a funnel on the end of the second one to widen the air cushion.

Like the canon you should combine methods to stop the egg. The first should be very slow and the second after it get to certain velocity can stop it faster.

Egg on a rocket + parachute at apogee = Acceleration and deceleration problems solved. If egg must remain unenclosed, perhaps try shooting mortar style into a swimming pool with a manifold system set up on the bottom to aerate the water. Adding some bubble bath for a layer of suds on top might help too.

At 3:35 - Now you glad that you had the custom to wear glasses for protection.

Another idea to brake the egg rather than break the egg, maybe fire it vertically upwards and give it a parachute?

@quintessenceSL

9 ай бұрын

Was thinking along the same lines. Alternatively (but not homemade science), shoot the egg from a largish cone and have the back pressure (like in the vacuum cannon) slow down the egg enough for more conventional means of de-acceleration. Basically a controlled shot where there is a moment of max speed and back pressure all occurring in a long, enclosed tube.

Method to catch eggs? I could imagine water being poured from buckets, so that the egg travels through one waterfall after another, and eventually stops.

When you shoot eggs you control their orientation. Eggs are easily cracked if hit on the side and surprisingly strong when the pressure is applied at the top. I guess this is the reason you could reach such accelerations without cracking eggs - they had the right orientation. Now when an egg is flying it changes its orientation and that's why catching it safely is tricky. One should decelerate eggs with pressure acting on the top, which might be challenging. Of course, I am assuming that you want to decelerate eggs within a few tens of centimeters.

@YeanyScience

9 ай бұрын

I have been able to see the orientation that you are talking about, stopping it has become much more challenging that getting it going

Awesome

1. Shot upwards, to the top of cliff or tower. 2. Shot upwards again, but this time from the middle of lake.

It would be interesting to know the acceleration at which the egg would get crushed inside the barrel by the g force alone.

For catching the egg, you probably want many weak collisions. I suggest hundreds of small balloons filled with air and placed in a large tube or trough 3 feet in diameter and 10 feet long for every hundred miles per hour.

How about a few net curtains hanging say, 6" apart. Maybe 10 layers. Could gradually slow it down and not break the egg. Needs to be really lightweight fabric though.

@maltekoch1632

9 ай бұрын

Maybe split the first layers in smaller strps so not that much fabric has to be accelerated in short time.

what would happen if you put fins or stabilizers on the egg. curious to know how much of an improvement i would get

@YeanyScience

8 ай бұрын

I am trying to figure out how to spin it, hoping that will help

Hell of a way to scramble eggs.

Put the egg rotates in a circle and then release it. Are not sending probes to space now with this method yet?

Did the dog ever manage to bring one back? Also really interesting to see how the eggs don't fly in a straight line.

@YeanyScience

9 ай бұрын

she has found a few bits and pieces, nothing whole

2:45 nice!

HOW COOL

Maybe a deep well of aerated water would cushion the egg enough? That is how kayakers can land very impressive waterfall drops.

I bet that dog had a blast chasing eggs flying through the air. Probably ate a bit as well, what was left I'm sure a critter got that night. Dude, that car. This is a man who is cultured and tasteful.

@YeanyScience

8 ай бұрын

she gets really excited any time she hears the cannon getting set to fire, I have to try a ball or toy somewhere to keep her out of the range of fire

one science demonstration showcase: you typically use lemon and two dissimilar metals for simple low energy battery, but how about lemon (citric acid in water, some table salt, vinegar optional) with one metal and carbon graphite as oxygen air electrode battery demo?

Such a beautiful station wagon

@bottlerocket1141

9 ай бұрын

Yes!

@YeanyScience

9 ай бұрын

thank you it's a 78 Pontiac grand safari

Lol, time traveling egg

Filling the barrel with helium, hydrogen (don’t explode yourself) or another light gas may allow for higher speeds? Similar to a vacuum cannon but without subjecting the egg to reduced atmosphere. Tissue paper to “seal” the end maybe?

Air bag like what is used for movie stunts.

What if the target was an ultra hot metal plate to make instant fried egg?

I bett you can add some mph's to that by making the valve open with a trigger (instead of your hand). Maybe some spring or rubber powered trigger?

@YeanyScience

8 ай бұрын

that would probably help, I will take a look at it

Just use memory foam to stop the fast egg. You would just make a big pile of many loose pieces (a good room-worth, with no piece bigger than a few inches.. what a mess). Like a ball pit, but sideways, and with memory foam (or some similar super light softish stuff). The idea is to absorb the inertia for as long as possible (minimizing the jerk, and acceleration).

I hope If and when I move to the country, I have neighbors like you.

Also looks like a hard way to fertilize the back lawn.

How does one determine the appropriate barrel length?

@YeanyScience

9 ай бұрын

Good question, when experimenting with my tennis ball cannon, I found that making the barrel too long, and the tennis ball won'y even come out of the barrel. kzread.info/dash/bejne/jH-px9iqZK2acc4.html. In the compressed air cannon, first measure the volume of the tank section that holds the compressed air, then measure the total volume of storage tank plus the barrel. When fired, the gas will expand into the total volume and decrease in pressure as it does so. This decrease in pressure must be greater than atmospheric pressure it will start to slow down ( not quite as drastically as seen in the above mention tennis ball video)

if you try to catch the egg at 900 feet, wouldn't it have slowed to terminal velocity?

@YeanyScience

9 ай бұрын

good point, the farther away I am from the initial position of shooting the slower the egg should be moving

Back in the early 90s my buddy and i built a potato gun. We found about 90% of grade A small eggs would fit in the 1.5 inch barrel. I'm not sure how far exactly but when they didn't explode they would on occasion go nearly 400 yards. Most went 200 to 300 yards. Probably about 50% didn't make it out of the barrel.

@YeanyScience

9 ай бұрын

sounds like you had better luck without the sabot than I did, with the smaller cannon I had a few that made it out of the barrel unbroken, using the larger cannon I didn't have any survive, so I had to design the sabot with the 2 inch barrel.

@tireballastserviceofflorid7771

9 ай бұрын

@@YeanyScience We found paper a paper towel worked well. And eggs that fit really perfectly tended to blow out. We probably shot 100 or more. 5 to 10 seconds of red aqua net hair spray. And a Coleman lantern striker to light it.

W teacher

Catch the eggs…. Idea: 3-4 layers of Moskito netting just hanging loose behind each other ? Or something similar..

To cache the eggs how about polystyrene packaging beads

mmm tutorial on that air canon plz..........

Easy. Think of a very long, very gradual playground slide made out of nylon or silk or plastic sheeting. Now fire the egg so that it is moving parallel to the bottom of the slide. The egg makes contact as the slide gains altitude. Gravity and friction will slowly bleed off speed from the egg until it comes to a stop. In other words, you will be converting the egg's kinetic energy (speed) into potential energy (altitude). Pretend these kids were being fired from your cannon - 0:22 - 0:25 is a pretty good representation of the process: kzread.info/dash/bejne/f4dm0ZmBopStZZs.html

Maybe if the egg hits a water balloon filled with water or maybe something thinner it will stop it? not sure

perhaps multiple; separated layers of mylar could safely catch a 300 mph egg.

I was so sure that when it got to 88mph it would go back to the future and turn into a chicken.

@YeanyScience

9 ай бұрын

well it did disappear