Fri, Jan 31, 2003
How S-l-o-w Can You Go?
Micro
AeroDynamics has added the 260 and 300 hp Cherokee Six and Lance to
their growing list of single engine aircraft that can now be
retrofitted with an array of vortex generators. Utilizing an
FAA approved STC, Cherokee Six/Lance owners can now attach 86 of
the diminutive vortex generators across the span of their wings
just above the leading edge. Another 24 VGs are mounted along the
vertical stabilizer and 72 go under the leading edge of the
stabilator.
While the vortex generators have no affect on the high speed
performance of the Cherokee Six/Lance, and do not collect ice in
freezing conditions, they do have a significant impact on slow
speed flight, lowering stall speed by ten percent and enhancing
controllability.
The kits, which can be applied in one day, include mounting
templates for positioning the VGs, detailed instructions and
drawings, required tools, and Loctite Depend adhesive.
The VGs are curved to fit the surface of the wing and stabilator
and spares are included with the kit. The VGs, which measure 1/4
inch high and an inch long, are made of aircraft grade 6063-T6
aluminum and are alodined to a Boeing mil-spec, ready for
painting. The factory will paint them to match owners¹
base color paint for an additional $100.
Vortex generators create wind vortices that keep the boundary
layer attached to the flying surfaces at higher angles of attack
allowing for positive aileron control at reduced speeds. The kit
price for the Piper Cherokee Six 260 and 300 models is $1,450, plus
shipping and handling.
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