Re: Caution: (757) Wake Turbulence ?

From:         Charles.K.Scott@dartmouth.edu (Charles K. Scott)
Organization: Dartmouth College, Hanover, NH
Date:         13 Jan 94 05:07:16 PST
References:   1 2
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In article <airliners.1994.872@ohare.Chicago.COM>
geoff@peck.com (Geoff Peck) writes:

> Yes, the 757 appears to generate wake turbulence which is much more
> severe than would be expected for an aircraft of its weight.  (Remember
> that the "heavy" designation applies to aircraft which may have a
> takeoff weight of 300,000 pounds or m ore whether or not they are
> operating at this weight during a particular phase of flight.  The 757
> doesn't qualify as a heavy, the 767 does.)  I've seen theories that the
> exceptional wake turbulence of the 757 is a function of the
> exceptionally clean wing design of the aircraft ...  perhaps someone
> from Boeing could comment on this?

There was something in Aviation Week about this.  They described the
turbulence from this model aircraft as being FAR more severe than
anything they have tested ever.  The aircraft in fact destroyed testing
guages set up on towers specifically to record wake turbulence.

Corky Scott