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Tu-160 just crashed near Saratov



 
 
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  #1  
Old September 19th 03, 03:38 PM
Tony Volk
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The Tu-160 is perfectly capable of taking off with one engine, it has
much more excess thrust than the B-1. In fact, there's a true story of a
U.S. official (can't remember who, but some big-whig) coming to watch a
Tu-160 take off (shortly after Iron Curtain fell). The crew couldn't start
one of their engines, so they just took off without it on and still gave an
impressive performance. So it must have been something more than just a
simple engine failure (e.g., control failure, catastrophic engine failure,
etc.).

Tony

"Thomas Schoene" wrote in message
ink.net...
"Christians for Cheeseburgers." wrote in
message . net
"Michael Petukhov" wrote in message
m...
A Russian Tupolev-160 strategic bomber crashed in the Saratov Region
on Thursday, the press service of the Russian Air Force has
reported. "The fate of the four crewmembers is unknown. A search
and rescue operation is underway at the scene. Information about
casualties and damage at the crash site needs to be clarified," an
Air Force
spokesman said.

The aircarft was conducting a test flight after one of its engines
was replaced. According to preliminary reports it was carrying no
weapons.

The Tu-160 bomber (Blackjack, according to NATO classifications) is
capable of carrying nuclear bombs and missiles. Its maximum flight
weight amounts to 275 tons. //Interfax

foor polites died. they reported fire in the replaced engine.

Michael


In the US we ground test engines after they are replaced. We find
it's much easier to shut down than from 30,000 feet.


A remarkably tasteless comment.

And that assumes the crash was even related to the engine change. No
guarantee that it was. And even if it was, there's no reason to believe
that they didn't ground test it first. Even in the US, we'd do a
maintenance check flight after major maintenance. Ground test first, but
flying the plane will find things that no ground test ever will.

--
Tom Schoene Replace "invalid" with "net" to e-mail
"If brave men and women never died, there would be nothing
special about bravery." -- Andy Rooney (attributed)






  #2  
Old September 19th 03, 06:16 PM
Ragnar
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Default


"Tony Volk" wrote in message
...
The Tu-160 is perfectly capable of taking off with one engine, it has
much more excess thrust than the B-1. In fact, there's a true story of a
U.S. official (can't remember who, but some big-whig) coming to watch a
Tu-160 take off (shortly after Iron Curtain fell). The crew couldn't

start
one of their engines, so they just took off without it on and still gave

an
impressive performance. So it must have been something more than just a
simple engine failure (e.g., control failure, catastrophic engine failure,
etc.).


So you really think that a plane that weighs 275000kg at full load can take
off perfectly well with one engine that produces 25000kg of thrust? So why
build it with four engines?

You might want to re-think your position, since its obviously flawed.


  #3  
Old September 19th 03, 06:58 PM
Ken Duffey
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Ragnar wrote:

"Tony Volk" wrote in message
...
The Tu-160 is perfectly capable of taking off with one engine, it has
much more excess thrust than the B-1. In fact, there's a true story of a
U.S. official (can't remember who, but some big-whig) coming to watch a
Tu-160 take off (shortly after Iron Curtain fell). The crew couldn't

start
one of their engines, so they just took off without it on and still gave

an
impressive performance. So it must have been something more than just a
simple engine failure (e.g., control failure, catastrophic engine failure,
etc.).


So you really think that a plane that weighs 275000kg at full load can take
off perfectly well with one engine that produces 25000kg of thrust? So why
build it with four engines?

You might want to re-think your position, since its obviously flawed.


Condensed from 'Tupolev Tu-160 Blackjack - Russia's Answer to the B-1' by Yefim
Gordon. Volume 9 in the 'Red Star' series...........................

On 12 August 1988 Frank C. Carlucci, then US Secretary of State, visited
Kubinka, near Moscow.

A flying display was staged - including 2 Tu-160's.

When it came for takeoff, a single engine on each of the bombers would not
start.

To save embarassment, the VVS top command authorised a go-ahead for the flights
- so the two bombers took off on THREE engines.

The flights went well - thanks to some excellent airmanship - the fact that only
3 of the four engines were emitting smoke did not escape the US delegation - so
they asked why.

The Russian Long-Range Aviation Commander, Col. Gen. Pyotr S Deynekin answered -
with a straight face - that the Tu-160's engines had several operating modes,
not all of which were characterised by a smoke trail.

Later, when being shown around the flight deck, Carlucci banged his head on a
circuit-breaker panel.

That panel is still know to Long-Range Aviation crews as 'Carluccis' Panel'.

So, while not normal, a Tu-160 certainly can takeoff on only 3 engines -
although obviously, not at max weight.

++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++
Ken Duffey - Flanker Freak & Russian Aviation Enthusiast
Flankers Website - http://www.flankers.co.uk/
++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++


  #4  
Old September 20th 03, 04:39 PM
Tony Volk
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LOL, it was a typo- I blame it on not posting here for years! The
first sentence should have read "with(out) one engine". The flight was for
Secretary of Defense Frank Carlucci, although not at full take-off weight
(rarely fully loaded any how). On a related note, the Tu-160 has taken off
with its wing spoilers accidentally open, so it has excellent climbing
characteristics. My point was that the simple failure (i.e., failure to
deliver power vs. an engine fire or other catastrophic failure) of one of
the four engines would not be likely to seriously impact the take-off
performance of the plane, especially at anything less than maximum take-off
weight. And to make the post complete, my source is "Tupelov Bombers", by
AIRtime publishing, the Tu-160 section written by Piotr Butowski.

Tony

"Ragnar" wrote in message
ink.net...

"Tony Volk" wrote in message
...
The Tu-160 is perfectly capable of taking off with one engine, it

has
much more excess thrust than the B-1. In fact, there's a true story of

a
U.S. official (can't remember who, but some big-whig) coming to watch a
Tu-160 take off (shortly after Iron Curtain fell). The crew couldn't

start
one of their engines, so they just took off without it on and still gave

an
impressive performance. So it must have been something more than just a
simple engine failure (e.g., control failure, catastrophic engine

failure,
etc.).


So you really think that a plane that weighs 275000kg at full load can

take
off perfectly well with one engine that produces 25000kg of thrust? So

why
build it with four engines?

You might want to re-think your position, since its obviously flawed.




  #5  
Old September 19th 03, 07:01 PM
Michael Petukhov
external usenet poster
 
Posts: n/a
Default

"Tony Volk" wrote in message ...
The Tu-160 is perfectly capable of taking off with one engine, it has
much more excess thrust than the B-1. In fact, there's a true story of a
U.S. official (can't remember who, but some big-whig) coming to watch a
Tu-160 take off (shortly after Iron Curtain fell). The crew couldn't start
one of their engines, so they just took off without it on and still gave an
impressive performance. So it must have been something more than just a
simple engine failure (e.g., control failure, catastrophic engine failure,
etc.).

Tony


Exactly there was right wing fuel tank explosion in two minites
after fire started in a right engine #2. Right wing was found
in 3 km from the main part of Tu-160 airframe.

Michael


"Thomas Schoene" wrote in message
ink.net...
"Christians for Cheeseburgers." wrote in
message . net
"Michael Petukhov" wrote in message
m...
A Russian Tupolev-160 strategic bomber crashed in the Saratov Region
on Thursday, the press service of the Russian Air Force has
reported. "The fate of the four crewmembers is unknown. A search
and rescue operation is underway at the scene. Information about
casualties and damage at the crash site needs to be clarified," an
Air Force
spokesman said.

The aircarft was conducting a test flight after one of its engines
was replaced. According to preliminary reports it was carrying no
weapons.

The Tu-160 bomber (Blackjack, according to NATO classifications) is
capable of carrying nuclear bombs and missiles. Its maximum flight
weight amounts to 275 tons. //Interfax

foor polites died. they reported fire in the replaced engine.

Michael

In the US we ground test engines after they are replaced. We find
it's much easier to shut down than from 30,000 feet.


A remarkably tasteless comment.

And that assumes the crash was even related to the engine change. No
guarantee that it was. And even if it was, there's no reason to believe
that they didn't ground test it first. Even in the US, we'd do a
maintenance check flight after major maintenance. Ground test first, but
flying the plane will find things that no ground test ever will.

--
Tom Schoene Replace "invalid" with "net" to e-mail
"If brave men and women never died, there would be nothing
special about bravery." -- Andy Rooney (attributed)




  #6  
Old September 20th 03, 01:49 AM
Walt BJ
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Default

Tu160 takeoff on one engine? maybe, with a looong runway, cold day,
and minimum fuel. 275000 kg gross, subtract 75000 for payload and
extra fuel, leaves 200000 kg to be pushed by 25000 kg. 8 to 1 thrust
to weight. I remember making mil power takeoffs in the F86D at 4:1 and
about a 5400 foot ground roll. looking at the math we have 200000/9.8
= 20408; 25000/20408 = 1.23 m/sec acceleration on takeoff. The rest is
left to the student as a drill.
Walt BJ
  #7  
Old September 20th 03, 03:40 AM
external usenet poster
 
Posts: n/a
Default

"Tony Volk" wrote:

The Tu-160 is perfectly capable of taking off with one engine, it has
much more excess thrust than the B-1. In fact, there's a true story of a
U.S. official (can't remember who, but some big-whig) coming to watch a
Tu-160 take off (shortly after Iron Curtain fell). The crew couldn't start
one of their engines, so they just took off without it on and still gave an
impressive performance. So it must have been something more than just a
simple engine failure (e.g., control failure, catastrophic engine failure,
etc.).

Tony


I don't think so Tony...the way you wrote this makes me think
that you think the tu-160 has only two engines. It has four son,
and I'd not bet the farm that it can get off the ground on one
engine.
--

-Gord.
  #8  
Old September 20th 03, 11:15 AM
Ken Duffey
external usenet poster
 
Posts: n/a
Default

" wrote:

"Tony Volk" wrote:

The Tu-160 is perfectly capable of taking off with one engine, it has
much more excess thrust than the B-1. In fact, there's a true story of a
U.S. official (can't remember who, but some big-whig) coming to watch a
Tu-160 take off (shortly after Iron Curtain fell). The crew couldn't start
one of their engines, so they just took off without it on and still gave an
impressive performance. So it must have been something more than just a
simple engine failure (e.g., control failure, catastrophic engine failure,
etc.).

Tony


I don't think so Tony...the way you wrote this makes me think
that you think the tu-160 has only two engines. It has four son,
and I'd not bet the farm that it can get off the ground on one
engine.
--

-Gord.


I wonder if Tony meant to say 'The Tu-160 is perfectly capable of taking off
with one engine INOPERATIVE' ???

That is perfectly possible - as I have posted.

Or, as Gord says - maybe he was thinking of a Tu-16 ?? That has TWO engines.

But I don't think even a lightly-loaded Tu-16 could take off on just ONE engine
!

++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++
Ken Duffey - Flanker Freak & Russian Aviation Enthusiast
Flankers Website - http://www.flankers.co.uk/
++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++


  #9  
Old September 20th 03, 04:40 PM
av8r
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Default

Hi Gord

For what it's worth, the TU-160 'Blackjack' is powered by four
Samara/Trud NK-321 turbofans, each generating 55,155 pounds of static
thrust in afterburner. The aircraft's empty weight is 259,900 pounds.
There's no way that a single engine is going to move this aircraft
anywhere except at a high speed taxi. Incidentally, the 'big whig' was
U.S. Defense Secretary Frank Carlucci. He was invited to inspect the
twelfth aircraft built at Kubinka Air Base on the 2nd of August 1988.

By the way, how did the CYSU reunion go Gord?

Cheers...Chris

 




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