On Thu, 19 Feb 2009 23:47:51 -0600, "Highflyer" wrote:


"pintlar" wrote in message
...

I was lead to believe the B-52's wing took a negative angle of attack when
the engines lost power. For the crew, that is nice to know that this is
not true.



I think you will find, with ANY airplane, that the angle of attack is
solely dependant upon the airspeed and the weight. It would not be
expected to change in any way by any power setting, from zero to
max.

Notice that this is definately NOT true for a powered rotary wing
aircraft! :-)

Highflyer
Highflight Aviation Services
Pinckneyville Airport PJY

It is not at all uncommon for a plane to "change trim" with
application of power - add power and many planes will "nose up"
slightly, and back the power down and they "nose down".

This is preferable to the opposite condition, which can happen on the
likes of a Lake or SeaBee. Upthrust od downthrust designed into the
mount combined with the location of the engine is usually calculated
to reduce the effect by tending to cancel each other out, but the
combination is not always totally effective.