LOUD

In article ,
(Dan Thomas) wrote:

Billy Beck wrote in message
. ..

Read recently (in an article I cannot now find) about an
airplane designed and built in the '60s or '70s that had a turbojet
engine in the tail and a huge turboprop in the nose. Supposed to be a
fighter or fighter-bomber. Only two were built, and after one flight
the test pilots didn't want to fly them any more. They were LOUD in
the cockpit or anywhere else. It hurt bad. Very few test flights were
carried out. I imagine they were designed to defeat the enemy through
intimidation alone. Apparently most of the noise came from the prop
tips, which were running supersonic or transonic, even in static
runups.
One of the pilots lived ten miles from the airbase, and he could
hear the techs running it up, on the ground, all the way from his
home. That has to be pretty bad.
Anyone here remember what it was?



"Pushme-pullyou" comes to mind. :-)

If you do a search for turboprop noise in the NASA archives you will
find the info - the surprising thing to me was that the noise levels
were about equal clear out to the sixth harmonic. Yes, the XF84H was
loud. But the Saturn 5 was mucho louder, but you couldn't get closer
than about 8,000 yards. OTH, standing about 3 feet to one side from
the nozzle of a J79-17 at max power is verrry interesting.
Walt BJ

Walt BJ wrote:

If you do a search for turboprop noise in the NASA archives you will
find the info - the surprising thing to me was that the noise levels
were about equal clear out to the sixth harmonic. Yes, the XF84H was
loud. But the Saturn 5 was mucho louder, but you couldn't get closer
than about 8,000 yards. OTH, standing about 3 feet to one side from
the nozzle of a J79-17 at max power is verrry interesting.
Walt BJ

I'll second that motion.

While not a J79, the engine on the F-16 is quite impressive up close.
Did a job shadow with an F-16 crew chief and did final checks with him.
One involved lying under the aircraft and checking something just
forward of the afterburned turkey feathers. The noise was punishing.

MAH

You want loud? Or annoying?

UH-1H doing a nice slow deceleration at low tq settings will produce a
popping sound that is easily heard for more than a mile. And it last a long
time.

I was flying a CH-47D at 165 knots and the folks on the airfield said they
heard us coming for at least five minutes before they saw us. Man she was a
good ole bird.

Don't you all just love the sounds of freedom.

Fred


"Scott Lowrey" wrote in message
om...
I reside about 6 miles off the departure end of MSP runway 12, so I'm
used to hearing a lot of jet traffic. I've only lived here for 6
months but I quickly adjusted to the noise. It's acutally not that
bad, excepting the venerable DC-9.

Today, though, what looked like an F-18 flew over. Wow. I haven't
seen too many fighters in my life (still have yet to see a "real" air
show). That thing peeled off to the southeast with a thunder that
even the DC-9 in full song can't match.

She was probably climbing through 3 or 4 thousand when I looked up.
Are afterburners used during departure? If not, I can't imagine what
_that_ sounds like.

-Scott

"Richard Brooks" wrote in message
news:bjcb7p$t17

B-47 taking off with RATO on!

Loud, yes, but WORTH IT! :

Harriers taking off from a short field a quarter of a mile from your squad
bay.

I live under the final for PDX. Every morning the F-15s come over (or roar
out overhead.) I'm exactly under the point where they lower their landing
gear, which means I'm exactly downrange when they throttle up to compensate.
Rattles my windows every freakin' morning. I'd take it as a free airshow
("the sound of freedom") but it sets the neighbor's terrier off for the next
half an hour or so.

I think B-1s are the loudest things I've ever heard personally.

-c

"Montblack" wrote:

September 20-21, 2003

http://www.duluthairshow.com/index2.htm

Duluth is only 150 mile straight up the freeway from MSP (Mpls/St. Paul)


Already on the calendar. I'll be there!

Scott, I'm the same distance off the approach end :-) Saw the same
airplane, I think. I took it for an F-15. Seen several T-37s
overhead lately, too, plus a pair of T-38s a week or two ago. A year
or two back when the BUFF came to town it came in right over the
house. We were outside; my wife looked up and said, "I'm sure glad
that's on OUR side!"

Saw a Vulcan at an airshow some years back - it was making its
farewell tour before being retired. I can understand why the Falkland
sheep were scared out of their coats! Like a flock of banshees.

My vote for best loud airplane sound, though, would have to go to the
B-36. Rent the Jimmy Stewart classic, "Strategic Air Command" and
turn up the surround-sound.... Folks who heard them fly over the
Great Plains say that you would hear that drone for hours as that
six-ply contrail slowly crossed from horizon to horizon.

The sound of freedom indeed!

Corrie

(Scott Lowrey) wrote in message . com...
I reside about 6 miles off the departure end of MSP runway 12, so I'm
used to hearing a lot of jet traffic. I've only lived here for 6
months but I quickly adjusted to the noise. It's acutally not that
bad, excepting the venerable DC-9.

Today, though, what looked like an F-18 flew over. Wow. I haven't
seen too many fighters in my life (still have yet to see a "real" air
show). That thing peeled off to the southeast with a thunder that
even the DC-9 in full song can't match.

She was probably climbing through 3 or 4 thousand when I looked up.
Are afterburners used during departure? If not, I can't imagine what
_that_ sounds like.

-Scott

In article ,
(Corrie) wrote:

My vote for best loud airplane sound, though, would have to go to the
B-36. Rent the Jimmy Stewart classic, "Strategic Air Command" and
turn up the surround-sound.... Folks who heard them fly over the
Great Plains say that you would hear that drone for hours as that
six-ply contrail slowly crossed from horizon to horizon

I lived about 30 miles from Fairchild AFB and remember them "visiting"
while flying their missions, nearly blotting out the sky.
Those "thumping" props almost made your innards rub together.

A bunch, And they're probably the most expensive you'll find. I go way out
of my way to avoid them.

mike regish

"Chris Hoffmann" wrote in message
...
Signature? Good grief....how many FBO's do they run? That's the FBO at
Mitchell Field in Milwaukee, too.


--
Chris Hoffmann
Student Pilot @ UES
30 hours

I like the F14 with the water skier.

mike regish

"Scott Lowrey" wrote in message
.net...
"Neal" wrote in message ...
An F-15 can get pretty awesomely loud too, looks vaguely similar to an
F-18, to the layperson, in that it also has twin vertical
stabilizors/rudders but they're straight up instead of angled
outwards. F-15's wing is much larger, and somewhat delta-shaped too.

Good pics for comparison at:
http://www.rijskamp.com/KLu/photos/photo_50.html


That's an excellent shot, thanks. From my viewing angle and distance, I
really
didn't get a good enough look. All I caught were the twin verticals.
Looks
like the key is the wing shape (and angle of verticals). Unfortunately
the
roll
in my direction put the wings level with me, so couldn't see them.