Re: Jet Engines above the wing: why not used?

From:         David Lednicer <dave@amiwest.com>
Organization: Analytical Methods, Inc.
Date:         01 May 96 11:19:55 
References:   1 2
View raw article
  or MIME structure

MaxCue wrote:
>
> I'm only a student pilot at age 40, but have never heard why above-wing
> engines are not used to increase lift; wouldn't the energy from fuel burn
> add some lift if even at the expense of some forward thrust? Hope to hear
> a response from one of you many aero professionals.

	Why would you want to "increase lift" with engine thrust, when
the wing can do it much more efficiently?  Most airplanes don't need
their "lift increased" by aux devices - instead, just increase the angle
of attack slightly and the wing will take care of everything.

-------------------------------------------------------------------
David Lednicer             | "Applied Computational Fluid Dynamics"
Analytical Methods, Inc.   |   email:   dave@amiwest.com
2133 152nd Ave NE          |   tel:     (206) 643-9090
Redmond, WA  98052  USA    |   fax:     (206) 746-1299