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Sonic Booms...

Kernow said:
Weird that it doesn't appear in the other vids.
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Not enough condensation in the air? Though how there isn't above a huge body of water, I have no idea. :)

iCaffeine said:
That's pretty cool! How fast are those jets going?
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Mach 1: Approximately 761 mph or 1,235 km/h if Wikipedia is to be believed.
 
yellow said:
Not enough condensation in the air? Though how there isn't above a huge body of water, I have no idea. :)



Mach 1: Approximately 761 mph or 1,235 km/h if Wikipedia is to be believed.
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Well taht 761 applies only at stadard pressure and tempture. (sealv at 32F or 0C).

It be a little slower than 761. I want to say at alitude mach 1 is like around 660mph. Mach 1 is the speed of sound and the speed of sound changes according the enviroment.
 
Yes.. sorry.. that's correct and the Wiki entry makes note of that and I omitted it. It should have been:

Mach 1: Approximately 761 mph or 1,235 km/h at sea level.
 
Timepass said:
It be a little slower than 761. I want to say at alitude mach 1 is like around 660mph. Mach 1 is the speed of sound and the speed of sound changes according the enviroment.
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Of course, in these videos, all planes were essentially at sea level, though not at 32F. Speed was probably still well over 700mph.

I've seen the first one, and in fact have it stored somewhere.
 
realityisterror said:
I've always wanted to hear one as well, you can't really "see" the boom in the videos though ('cept the first one)... I guess it just happens for a split second?

And it definitely can't be safe to be going that fast, that close to the water :eek:
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teh agree
 
When my dad was in the Navy back in the late 60s/early 70s, he was stationed in Kadena, Okinawa. He always tells me about how it's where they had the first missions with the SR-71 Blackbird, and they would always hear the Sonic Boom from the barracks, often in the middle of the night. I always have wanted to hear one for myself, or better yet, see one!
 
I live in Long Beach in southern CA. the Space Shuttle sometimes lands at Edwards Airforce Base due to poor weather or whatever in Florida. Edwards Aiforce base is some 75 miles away from where i live (straight not by roads) and i can hear the sonic Boom that it makes when it slows down to sub-sonic speeds. and it is LOUD!
 
Xander562 said:
I live in Long Beach in southern CA. the Space Shuttle sometimes lands at Edwards Airforce Base due to poor weather or whatever in Florida. Edwards Aiforce base is some 75 miles away from where i live (straight not by roads) and i can hear the sonic Boom that it makes when it slows down to sub-sonic speeds. and it is LOUD!
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I have similar experiences, living in the flight path of the shuttle on the way back to Kennedy Space Center in Floriduh. It usually returns around 02:30 in the morning, which probably wakes a lot of light sleepers. The house seems to twist as it happens.
 
Plymouthbreezer said:
When my dad was in the Navy back in the late 60s/early 70s, he was stationed in Kadena, Okinawa. He always tells me about how it's where they had the first missions with the SR-71 Blackbird, and they would always hear the Sonic Boom from the barracks, often in the middle of the night. I always have wanted to hear one for myself, or better yet, see one!
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What an interesting coincidence. They used to test military planes near where I live (man, you'd see all sorts of weird forward swept wing stuff or other oddball shapes), and as a result there were occasionally sonic booms as well, either from tests or when a stock fighter flew overhead.

Well, one day a few years back I was sitting in a night class when there was an amazingly loud boom--explosion sound was more like it--outside. I noted that it sounded just like a sonic boom, but about 5 times louder than it should have been. Shrugged, and figured it was maybe something flying really low or some kid with a stick of dynamite.

Turns out next day or two, I hear on the news that they'd brought an SR-71 out of mothball or whatever for some demos, and they'd flown it at speed overhead that particular evening.

So I can say from experience: The SR-71 makes one hell of a sonic boom. It was as loud as the one time some idiot kid bombed the front of a church in the same area, and that rattled windows several blocks away (though did surprisingly little damage).
 
bousozoku said:
I have similar experiences, living in the flight path of the shuttle on the way back to Kennedy Space Center in Floriduh. It usually returns around 02:30 in the morning, which probably wakes a lot of light sleepers. The house seems to twist as it happens.
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I'm in Tampa and we hear that sonic boom from shuttle every time... its always early in the morning. Get ready for another one in July.
 
Plymouthbreezer said:
When my dad was in the Navy back in the late 60s/early 70s, he was stationed in Kadena, Okinawa. He always tells me about how it's where they had the first missions with the SR-71 Blackbird, and they would always hear the Sonic Boom from the barracks, often in the middle of the night. I always have wanted to hear one for myself, or better yet, see one!
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I don't know exactly how early they started experimenting with supersonic speed, but I can recall being very young when they were doing these flights over the Cleveland area. In retrospect, they were probably flying over Lake Erie, but believe me, the sound carried anyway.

I'm not sure why they were flying those flights late at night -- perhaps because civilian air traffic was lower then -- but yes, they'd wake me up around midnight or 2 a.m. or something, and scare the hell out of me. My parents would have to come in and calm me down.

As I recall, the boom sounded like a really loud thunderclap -- but given what others are saying here, that's probably wrong, and just the way I heard it through the ears of a child.
 
Makosuke said:
What an interesting coincidence. They used to test military planes near where I live (man, you'd see all sorts of weird forward swept wing stuff or other oddball shapes), and as a result there were occasionally sonic booms as well, either from tests or when a stock fighter flew overhead.

Well, one day a few years back I was sitting in a night class when there was an amazingly loud boom--explosion sound was more like it--outside. I noted that it sounded just like a sonic boom, but about 5 times louder than it should have been. Shrugged, and figured it was maybe something flying really low or some kid with a stick of dynamite.

Turns out next day or two, I hear on the news that they'd brought an SR-71 out of mothball or whatever for some demos, and they'd flown it at speed overhead that particular evening.

So I can say from experience: The SR-71 makes one hell of a sonic boom. It was as loud as the one time some idiot kid bombed the front of a church in the same area, and that rattled windows several blocks away (though did surprisingly little damage).
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Yeah, he did say they were loud!

...I'm not sure why they were flying those flights late at night -- perhaps because civilian air traffic was lower then -- but yes, they'd wake me up around midnight or 2 a.m. or something, and scare the hell out of me. My parents would have to come in and calm me down...
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I think it was because they weren't really suppose to be full public knowledge at the time, or something to that effect. I also think the reason you stated was probably the main factor.
 
devilot said:
The first video is crazy! Too bad there's no audio in that one.
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was thinking the same exact thing! very cool stuff...

i think the only reason you can see the sonic boom in the first one is because it is slowed down sooooo much.... otherwise we would not be ale to see the sonic boom effect that happens within a split second.... this is probably why there is no sound in the video....
 
mmzplanet said:
I'm in Tampa and we hear that sonic boom from shuttle every time... its always early in the morning. Get ready for another one in July.
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Cool... Another Tampanian! Where are you in Tampa? we are just above new tampa in wesley chapel... Love the sonic boom from the shuttle... i keep telling myself that i am going to take the day off and drive over to watch the next launch.... i have always wanted to do that... :cool:
 
Electro Funk said:
Cool... Another Tampanian! Where are you in Tampa? we are just above new tampa in wesley chapel... Love the sonic boom from the shuttle... i keep telling myself that i am going to take the day off and drive over to watch the next launch.... i have always wanted to do that... :cool:
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It's certainly interesting to see. I'm around 30 miles away but I can see it pretty clearly from my street.
 

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bousozoku said:
It's certainly interesting to see. I'm around 30 miles away but I can see it pretty clearly from my street.
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Very cool photo bousozoku! im jealous! we can usually see the shuttle during launce here in tampa (if its not cloudy) when it gets high enough....

but to be that close would be AWESOME!
 
Rovman said:
Is it just me or does this look like the same event taken from a different camera (with a horrible twist at the end)


http://www.spikedhumor.com/articles/34978/F14_Explodes_While_Going_Supersonic.html?autoplay=true
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It's a whole lot different.

Electro Funk said:
Very cool photo bousozoku! im jealous! we can usually see the shuttle during launce here in tampa (if its not cloudy) when it gets high enough....

but to be that close would be AWESOME!
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I wouldn't mind being closer and having a less restrictive view while there is still fiery exhaust but that usually stops by the time it's just over the top of the houses, from my viewpoint.
 
iGary said:
I had seen many pictures of aircraft breaking the speed barrier, but never a movie, so I You Tubed "Sonic Boom" and got some awesome videos:
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Thanks iGary. Breaking the sound barrier is very cool and love to see it.

I've two good films. Both are flying about the same altitude as the films that you shared.

- An F18 with halo as it just about breaks the sound barrier. The halo is perfect.

- An F14 that breaks the sound barrier and then explodes in flight.

Someday I will figure how to post them...
 
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