Our Most Powerful Rocket EVER! Upsets Local Official!
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- Опубликовано: 28 сен 2024
- This is the final part of our four part series on rocket motors. These motors are extremely loud, proceed with caution.
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Previous related videos:
• Preparing Our DIY Rock...
• How Are Rocket Nozzles...
• Mixing Nitrous and Roc...
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16:44 "I'm deaf in one ear" - "What?"
The most wholesome kind of comedy. These videos are an incredible treasure trove all around.
16:38 - 16:44
I love those shock diamonds. Spent years as a test engineer in aerospace - most of the time, we'd do simple production testing on commercial jet engines. But every once in a while, we'd get to test a fighter jet engine. When one of those goes to max AB, you'd get six or eight shock diamonds, and the sound would be so loud it would be hard to breathe.
They look like standing waves just that I have never actually seen a standing wave, just heard.
@@jakx2ob Scott Manley does a pretty good segment on Shock Diamonds.
How much a jet engine cost of making?
@@soumadipkoley581 you can make a valveless pulsejet for free if you have the skill to build it. A fighter jet engine on the other hand is probably in the $100,000-$1,000,000+ range.
Funny, near the end of the video, I was thinking of posting a comment asking what’s the physics behind the apparent standing wave with diamond shaped nodes. I should have known that would be explained in the video and by other commenters.
Once again. This is the best channel on youtube. Those shock diamonds are just stunning.
Also remember to click the bell!
Wow, I thought the trailer was going to take off!!
Thanks for sharing.
Me: I made some smoke bombs for the 4th.
Tech Ingredients: I made supersonic rocket mach diamonds in our front yard.
You should check out their older videos on making very good smoke bombs as well as colored smoke bombs.
@@skuzlebut82 yep, I got my smoke bomb Rx here! Thanks...
That bike must have been scripted. Perfect timing.
All clear... "hey I wonder what those guy's are doing...?
Spooking cyclists with loud noises is good for the environment.
There was a cyclist in the last video too.
In my mind, there are two people that adhere to a rigid schedule. One cyclist, one mad scientist.
I was wondering if the cyclist was part of the range safety crew.
It was overlaid. In other words, it didn't actually happen while they were sitting there, it was post script.
I love this guy and his experiments. Especially the sense of humor when son says I maybe deaf.
In the next episode: "Bearing and range finding with DIY microwave radar system."
That would be cool.
It also cooks great lasagna,lol....XD
check out the MIT coffee can radar system, there are full instructions.
The joke is that such a system would provide guidance for a weaponized rocket, yes?
@@Oberon4278 yes
One of my favorite Parts was in the first test when you had secondary ignition, I could see there was so much force that it pushed the trailer and made the chains tight. Amazing
Love it, at 6:49 he checked that no one has wandered into the area and gets the "all clear" response... But a cyclist is literally in the frame at the same time. Just poking fun, love your content!
i came here looking for a comment like this! I cant believe more people didnt notice lol
I just love your talents and videos - a great mix of entertainment and learning - there isn't a better way.
Cheers, Ned, Australia.
PS, I forgot to add "and inspirational", p.
Me thinking: those trailer leaches are way over the top... oh crap! This tiny thing is actually driving the entire rig!
Me: blessed by the fulfillment of joy.
Can’t wait to see the big rocket finally shoot that trailer into the sky!
They have started to optimize the aerodynamics of the trailer by adding those two anchors.
Starman's car had a hitch... Right?
You were right to warn that the end was a must watch moment. Thanks!
I’m a retired munitions systems specialist. One time we set off a standard 2.75” (diameter) rocket motor straight down into the ground. Interestingly, although it was a much larger and most likely (only a guess) more powerful rocket than the ones you built, it’s burn time was significantly shorter. I mean surprisingly short (fraction of a second, if memory serves). It buried itself pretty deep. 😆👍
It has to burn so quickly in order to convert the rocket's energy into velocity prior to striking a down range target.
Take a look at our previous tests of our fast burning composite motors when I took a ride on the trailer. trailer.
Really impressed with the production quality. You guys are seriously leveling up!
11:25 hell ya!!!
.
good on that guy for wanting to watch!!!!
and not call the cops or chew you out
.
that guy will never forget that experience!!
6:40
Bike rides by while both are looking away...
"Nothin. We're all good"
🤣
Most people are awesome and just curious about whats going on, as this great couple was it was something fun and unexpected they came across and it was something that really created a memory. This afternoon will be something they remember for a long time.
This is why i love people, sure everyone is not that great but most people are and they make it an even better experience for everyone included. You made their life a little bit better, and you also made your life and the life of your family a little bit better and everyone wins.
This channel is one of the most scientific sophisticated out there. And I've seen a lot.
Sophisticated*
@@cwtrain thank you!
Very impressive! That was a good idea to use the trailer to demonstrate the type of force dealing with.
Thanks!
excellent... that stuff will put a smile on ones' face. I give you and your crew the highest marks.
peace.
You should cover aerodynamics for rockets next
16:36 hah, love the instant trolling.
One year, a physicist and I (chemist), had students in a summer STEM program building solid fuel rockets using water-based putty nozzles and multi-component fuels. He used a load cell to test the rockets which producd ~100 pounds of thrust for 4 seconds. Yup, they hiss but that hiss is sooooo freakin' loud you can feel it in your body. We were hiding behind a truck in the parking lot at the university giggling like kids. And then the State Troopers showed up! They had been taking some prisoners to court for arraignment when we fired the rocket. What a show!
Love watching the jets go AB...especially at night. "Cheers" from Squadron VF-101 F-4 Phantoms.. and F14 Tomcats.
LOL I love it. The person stops by to see what is going on with all the noise and he gets a science lesson
@6:47 Looks at modern comms device (phone) to make sure the area is clear, and misses the 200 pound ape riding a bicycle.
For the first time ever, I appreciate the value of the 2 extra set of eyes with a clip board. Even if the 3 sets of eyes stand in a circle talking they can see the sudden and unexpected development over their partners shoulder.
I would really love to see a follow up video giving an analysis of the motor burns.
Ps Thanks for making this series. It's my favorite series on RUclips.
I agree, to me that would be just as interesting as the video itself. A little more of a deep dive into issues, and potential improvements would add a lot of value to the series. Science is often iterative, and builds on successes and failures as well. I'd like to go along for the ride!
Builds literal rocket engine, describes high performance as 'Pretty neat!'
Thanks!
We're having a ball with this channel and all the things it allows us to do.
Thank you for this wonderful channel! You have inspired my son and I to learn more and build our first small rocket 🚀 i cannot wait to see the look on his face on our very first launch!
I love this guy's videos even though I am not smart enough to build any of his projects. I know I would hate to be mortal enemies with him!
at 6:50.... "nothing???? nothing???? we're all good" as the kid rides by on his bicycle LOL
The combustion looked a bit unstable especially in the last test. Do you have any ideas on why this would be/how to improve the stability of the combustion? (My guess is that the paraffin fuel grain is melting and causing issues, but I'm really not too sure).
Awesome job though!
The last one was just lack of oxygen during the burning. You see all of that black smoke there, that is all just unburned carbon. I guess the pressure inside the engine just went to high so that the flow from the tank just could not overpower it.
You can clearly see in the data, that they first had a spike to almost 700N while the engine igniting, then it dropped down just below 500N to then stabilize at around 550N. While with a perfect burn you would assume that the force would rise after ignition as more surface area would become available while the fuel slowly burns away.
Instabilities can lead to dangerous resonances that could burst rocket. A metal rod down centre of grain can help damp out resonances.
The lopsided appearance of the mach diamonds and the "twitching" do show some instability in the burn and pressures. Yes probably due to the solid fuel instability in the pressure chamber. A lot of hot particulate was being ejected as well meaning that his fuel mixture was off enough that the particulate wasn't being fully combusted in the pressure vessel. Still even achieving mach diamonds in a sustained burn is incredible and a massive achievement in my smooth brain!
@Kevin Corapi I tend to agree with you although I also think nuclearpictures is partially right. I think the oxygen was the limiting factor but that doesn't matter. I also believe it was capable of more power. The reason you see the 700 newtons of force was because the chamber was saturated with O2 and when it was consumed the limiting factor became how much more oxygen was being introduced. What needs changed is the nozzle diameter. I would go for a longer burn not a harder one.
@@jonross377 but isn't it using nitrous as an oxidiser? the o2 is just to start the ignition?
I am happy that you are well and recovered 😊
Thanks!
You guys have so much fun! Glad you are also sharing it with us! =D
Fantastic results! the standing waves in the exhaust gas look beautiful!
this is just the best flipping channel. i am never disappointed.
Holy freakin' heck that's a lot of thrust outta that tiny thing!! That was a lot of fun! Thanks for the awesome videos! :)
Back in the 80's my little brother did something like this for the science fair (which he won internationals 3 times). The oxidizer was oxygen from a welding tank. The fuels were solid, even including plexiglass. Shock cones video recorded...in the living room of the house that I and my father built. Crazy stuff.
Fabulous demonstration of science in action!
I've been a subscriber since the first laser projector videos and still am. You guys are the best
It's gotta be a cool feeling seeing mach-diamonds thrown out the back of something you just made...
Murica!
Wow, I honestly didn't expect those to be that violent. Pretty cool stuff!
funny that the camera internal reflection isolated some points that look like tiny vortices would be cool to see if using a blue filter can isolate it to see the flame internals
I counted six nodes in the exhaust from the smaller rocket engines and eight on the larger one. That's a logarithmic increase in thrust.
Anyone else wondering about the mirrored sine curve of the exhaust, he talks about this at the end a little, but it is basically just super sonic exhaust battering against the sound barrier. The exhaust compresses until it gets hot enough to explode again and this repeats over and over again.
I love the deep dive videos you guys do. it's fantastic. Edutainment at it's finest
When I was a kid I found saltpeter in my Grandma's medicine cabinet and tried to make an m-80 with a film canister. It just flew around my yard for a few seconds, so kinda like a rocket. Anyways, subbed
Those shock diamonds are beautiful
Dude, to have such an awesome dad like this LMAO I would have graduated college at age 12 😂😂😂 and started working for NASA at age 13 😂😂😂
Such a cool dad. Type of person you are just drawn into to learn so much. I hope his children doesn't take that for granted.
I used to work in a building that was right next to an air force base runway, as in the outer fence of the runway is 5 meters from the building, about midway down the runway right before where the fighter jets would take off. as you could imagine the whole building would shake and if you were outside you'd feel you innards rattling around inside you. I must have seen a thousand F16 takeoffs and it was just as awesome every time, seeing those shock diamonds never got boring.
Side note, the sound of a F15 with its 2 engines compared to the F16 with just one is astounding, the F15 is unbelievably loud in comparison, although the way they shook my innards felt not much different, I wonder why that is? maybe the two engines would make a resonance or something
I very love the sound it is so cooooooooool ;-) Good job and you are the best teacher in the world.
I think Its cool he stuck around to check things out haha.
Underwhelming. The trailer stayed in place and nobody was harmed.
LOL
Bad jokes aside, I loved it. I'll never make a rocket as far as I can tell, but it sure is neat to learn stuff. Keep up your great teaching efforts!
If you put the trailer in tension with straps on the tongue so that base doesn't rock forwards and backwards you might be able to measure more force
I'd tell Mr. local official man to bugger off back to where he came from and bring you back a beer and then bugger off again. He works for you.
"Nothing" Guy casually rides past on bicycle "Nothing so we're all good" LOL
Impressive to say the least, awesome shock diamonds. The sound the hybrids make is quite different from an AP cored motor. The strongest motor I had the opportunity to use was a K-500 booster staged to a second stage with a J-125 for an altitude of 13,800 feet... and that was nearly 30 yrs ago at LDRS-8. Hi powered rocketry... the worlds fastest hobby..
I am still subscribed, but this was the first notification after a long time.
Thanks for your efforts
Dammit, these guys are cool as fuck. THIS is how you science.
The thought, time & effort, and sharing of knowledge in these videos is incredible. Subscribed and watching for a while, and it's great to see you not just make these videos, but enjoy yourself while doing it; passion, skills, knowledge & behaviors. Thank you for sharing.
Thanks!
Space x eat your heart out haha that was awesome ! Out of that tiny rocket !
Congratulations on your project
In all seriousness, I am really impressed with the SpaceX program.
I think I saw 7 or 8 Mach diamonds. NASA did a study on core diameter and nossel diameter that noted pulsing of exhaust, and I think I saw some of that in the large and small motors.
It was interesting to see the deformation of the shock diamonds as the internal fuel geometry changes in relation to the exhaust nozzle.
It is nice to have nice neighbors for sure.
Disturb the local government! I love you man
I know I've said something similar before, but your content is mind blowing. I've seen more crazy stuff at the edge of the human experience than any other channel. The part I think some people don't appreciate is that you address safety and not knocking your production value here but the lack of frills. If I had to sum up your channel in few words I'd call it substance over flash.
If I would had discover that Tech Ingredients was the closest neighbor just down the road then you would have been seen me as soon a sound was heard.
I can appreciate your safety tips. I would like to see you make some Whistle Rockets though. The chemistry of those materials that make a whistling sound is interesting to say the least. The different diameters of such rocket's do make for some nice sounds. As I have watched alot of you video's. Quite fascinating to see someone thats not really quite into pyrotechnics making his or her type of rockets. All the best, Steve
Or even some Strobe Rockets would be even greater. Sas
Perfect wave mate well done!
The moment they show the trailer attached to the ground by two stakes is when I started pondering...
Awesome best project yet, and you actually friggen deliver!
Could you do a presentation on making strobe rockets:? They are becoming popular but the sites online showing how they are made seem very dangerous. You always have safety as a priority so it would be very interesting in observing how you would go about this. Thanks from a faithful fan.
Thanks.
I'll look into it.
Lol bro buddy gots spoters like the cartel or something this is an amazing channel found it yesterday been binge watching a bunch of videos
Tech Ingredients: "Today we're gonna be doing, full power tests on our hybrid rocket engines"
Rocket video rolls...
Butthead: "Woh! cool! uhuhuh uhuhuh"
Beavis: "Yeah! yeah! yeah!"
Outstanding series
One thing to remember is N2O is a weak monopropellant even without fuel. I'll try to find the video of the catastrophic nitrous failure.
You were getting Mach 2 but maybe higher then Mach5 sustained thrust. Good job.
Science rocks - or rocket science for that one 😅
Good job, enjoying your channel for quite a while and sharing it of course as well. Cheers from an Electrical Eng. from Europe, I wish I had neighbours like you but such things are impossible here, no chance with the authority regulations...
It's a shame that expanding regulations are tolerated.
This dude is going to be the first person to put a trailer in orbit.
Oh hell yeah there's a big one yet let my shocked ass watch this I love these rocket engines I loved how they pack the ones with the sugar but these oh yeah
I love how for the big one he's not telling the audience that it will be loud, but the neighbor who showed up lol.
I got my level I cert a few months ago... going for my level2 soon...
Awesome! Great work guys
With all my respect, judging by Mach diamonds, I can conclude that futher modification of nozzle is required
Sure.
Lol the neighbor. Cut to 3 guys now with ear protection.
If you build it, they will come
This channel is so amazing
thanks to this channel i feel i can make make an effective rocket. long story short 4th of july is going to be awesome next year.
I would have loved to see as an outtake when 'the local authority'. If they are anything like here they would have wanted to push the 'fire' button and helped with the next production (they are great). Outtake?
Thanks for the share.
Love how you have Al as a human shield but only give Al a flimsy single ply peace of plexiglass 🤔😂🤣😂pay attention Al you may need t duck real fast !!!!!!
Im still subscribed , Greeting from Hungary Sopron. Nagyszerű munka!
The stable resonance in the flame told me that the system was very stable, could you find that back in the thrust stability, how much Newton thrust did you measure?
It was absolute stunning to see this. Has Elon reacted already?
Could you measure the decibels?
Can you make us part of your info during the tests. However, outstanding presentation and performance, you must be proud of your son too! State of the Art!
Subjectively it's louder than a continuous shotgun blast.
Check out the links we posted below the video for the graphs.
Yes the big one was much louder, it was playing rock.
In 20-25 years there is going to be a new generation of Nobel Laureates crediting "The Main Presenter of Tech Ingredients" with fostering their interest in science and explorations.
The small ones sound just like my neighbour clearing his nose. XD
Incredible! It would be very cool to see a video with you amd nighthawkinlight collab!
That would be fun.
Thank you!!
Two more videos and SpaceX got a competition...