Why fighter pilots need to break the speed of sound | MACH 1 EXPLAINED

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Fighter pilot "Dozen" breaks down the speed of sound, explaining how it works, how it relates to Mach 1, and why higher pilots need to break the sound barrier regularly.
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Chapters:
0:00 - Intro
0:10 - How fast is the speed of sound?
0:55 - The speed of sound at different altitudes
1:50 - Why Mach 1 instead of 1 Mach?
2:35 - The first invention that broke the speed of sound
3:19 - Chuck Yeager is the first pilot to exceed Mach 1 in the Bell X-1
3:59 - Vapor cones, shockwaves, transonic flight
4:46 - Why fighter pilots go supersonic
6:17 - What going supersonic feels like
7:23 - Getting "boomed" in class
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The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.

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Опубликовано:

26 июл 2024

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Комментарии : 39

@marksadler4104 Год назад

I was trained at Lasham UK on gliders, one of my instructors was Peter Twiss, the first pilot to go past 1000mph

@carlmclelland7624 Год назад

Dozen, that was a good presentation. For someone who can't understand the relativity of air density, try explaining the difference between INDICATED airspeed and TRUE airspeed. One of the best examples, there's a video of a U-2. He's level at FL700, indicated of 104 knots, which is (true) of 471 knots, and mach .707. Now, want to really throw a wrench into the gears, bring in Waverider effect at hyper mach in the mesosphere.

@kidddogbites Год назад

Very true, fluid dynamics are amazing

@Ckc.77 17 дней назад

Great video, would love to see more!

@dangersDv День назад

Fine tutorial , ' xCepting where you say "" mach 0.12 "" is 'approx' the trans-sonic realm of da speed of sound [ @ 5:53 ] , but we all knew what you meant, and the aforementioned temperature conundrum.

@gmanpee65 2 месяца назад

Great presentation!

@Mojo79598 Год назад

Great Stuff Dozen.

@DozenDuzit Год назад

Much appreciated

@doulos5125 Год назад

Enjoying the content and learning a lot! Keep up the good work and your channel is gonna go off the charts!

@mavrick561 Год назад

Nice patch! Gig'em 👍

@rileyswing9731 Год назад

Learned a lot. Love it!

@SucceedingInFinTech Год назад

Outstanding explanation. Thank you.

@juliannegallo6816 Год назад

Excellent explanation. You are an amazing teacher as well as an awesome pilot. Thank you for all you do for all of us. Have a great day !!!!❤️

@RealDavidN Год назад

This is indeed an excellent and scientifically accurate explanation and overall briefing. Outstanding (as always) Dozen

@nicksweetland6063 Год назад

I love how your explanations are perfectly concise and understandable! Great video!

@DozenDuzit Год назад

Thank you Nick!

@manyakaluma9391 Год назад

these videos are great!

@joman2334 Год назад

Great explanation with super nice graphics! Greetings from Germany😄

@jacobdewey2053 Год назад

Very nice video! Just one quick correction though, the speed of sound (at least in fluids) is actually a function of the temperature of the fluid and not the density. The speed of sound is derived from the Kinetic Theory of Gases which describes how the molecular speed of gas particles is a dependent upon temperature only. Thus the speed at which molecules can transfer information to each other (i.e. the speed of sound) is a function of temperature only. Temperature and density are related though for gasses so there is some correlation between density and the speed of sound but it isn't a causal relationship.

@BrockNielsen Год назад

Great video

@MeqoMan Год назад

Would love for you to talk a bit about the WGASF and why you chose to fly her over any other aircraft in the air force. Maybe some insight too into the cockpit and fundamentals of flying the F-15?

@victorf.4599 Год назад

Great video! Thank you so much for taking the time to explain! I have a question, I'm in college doing an aviation with technology degree for a professional pilot, will that be helpful to get a pilot slot in the Air Force?

@michaelnilson9876 Год назад

How many years were you in and why did you leave? Awesome videos!

@chris_hisss Год назад

So does a bullet break the sound barrier in the barrel? Cool video and great explanation, I hadn't ever wondered this before now. lol I was thinking about another youtuber that was down range letting bullets pass over them and I don't really remember

@grahamthebaronhesketh. Год назад

Propeller tips go supersonic that is why they are so noisy on take off until you reduce the RPM.

@adinair3652 Год назад

Did you to to TAMU and do the Corps?

@mavrick561 Год назад

Yup. He was class of '08, I think. I can't remember what outfit he was in.

@erikoftebro976 2 месяца назад

Is there a prop aircraft that can, in theory, fly at Mach 1 or greater?

@KUptain06 Год назад

OATS

@windrideractual Год назад

Wouldnt it be easier to say that the speed of sound is more closely related to temperature than air density? the colder it is the lower the speed of sound? even in your watr example, sound travels faster at deeper depths because the water is colder. i guess in the end its really 6 in one and half a dozen (see what i did there) in the other. colder is denser.

@matthewthomas2807 Год назад

If I’m understanding your comment correctly you have the right idea with temperature however air pressure is determined by more than just temperature, for example at low altitudes you have all of the ‘weight’ of the air above it pushing down and compressing the air making it more dense

@windrideractual Год назад

@@matthewthomas2807 what about an inversion layer? Climbing out of KPBI the other day it was +20 C at FL200 (not uncommon in that area of the world) but it quickly cooled off above FL240. Its very difficult to measure density inside the cockpit, but very easy to get TAT, SAT and ISA deviation. The colder it is, the lower my IAS and higher MACH. Realistically we are talking only about 3-4 knots for large temp ranges, so its more a technical discussion than what actually matters in reality. But an aircraft say doing a fly by in KCOS in December at 400kts, has a higher likely-hood of accidentally breaking the sound barrier than the same aircraft in August, Is it air density or temp? I say its both, its just that temp is something we can feel and measure easier. I find it also easier to discuss in terms of temp with new pilots instead of density because then they get confused about density altitude. BUt to be clear, everything in this video is correct, I am not disputing anything Dozen said. Im just throwing out some discussion. its why we are here.

@jacobdewey2053 Год назад

@@matthewthomas2807 Check out my comment above (you can sort by new to find it faster) for an explanation on how the speed of sound for gasses is actually only a function of the density

@jacobdewey2053 Год назад

@@windrideractual read above

@matthewthomas2807 Год назад

@@jacobdewey2053 yes I was trying to explain it with using weight of air to explain density, I know it’s a very imperfect explanation but it can be very hard to know what peoples backgrounds are on this app, I’m a pilot but explaining things admittedly isn’t always my forte

@krisztm7221 Год назад

they should attach rockets to whips, that way you don't need airplanes.

@kevinfinke6927 Год назад

Sorry, but the speed of sound in air, or for most gasses in general, doesn’t have anything to with density. The equation for the speed of sound is proportional to the square root of total temperature. You’re trying to explain compressibility effects and shockwaves which are a function of density, but the value for the speed of sounds is independent of density.

@DozenDuzit Год назад

Trying to find something you said that was correct in the comment. Still searching…