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why is Vne a TAS?



 
 
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  #1  
Old September 12th 05, 06:06 PM
Stefan
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Mike Rapoport wrote:

I don't think that there is an aiplane that can reach the coffin
corner that even has a Vne.


Airplanes probably not. Aircraft, yes.

Stefan
  #2  
Old September 12th 05, 06:27 PM
Mike Rapoport
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Which ones?

Mike
MU-2


"Stefan" wrote in message
...
Mike Rapoport wrote:

I don't think that there is an aiplane that can reach the coffin corner
that even has a Vne.


Airplanes probably not. Aircraft, yes.

Stefan



  #3  
Old September 12th 05, 07:42 PM
Stefan
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Mike Rapoport wrote:

Which ones?


I had thought of some older gliders which have pretty low Vne. After I
had hit the send button, it dawned to me that they also have a pretty
low stall speed, though...

Stefan
  #4  
Old September 12th 05, 08:04 PM
Mike Rapoport
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"Stefan" wrote in message
...
Mike Rapoport wrote:

Which ones?


I had thought of some older gliders which have pretty low Vne. After I had
hit the send button, it dawned to me that they also have a pretty low
stall speed, though...

Stefan


I was thinking of sailplanes too. Hard to imagine a sailplane with a
critical Mach number equating to a IAS of 45kts or so even at FL500.

The key to this issue (IMHO) of Vne is that it may be based on any one of a
number of limiting factors, some of which are related to CAS and some to
TAS. The airplanes where Mach number is an issue (that I am familiar with)
have a Vmo and Mmo but don't use a Vne.

Mike
MU-2


 




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