Fri, Aug 22, 2003
The FAA has authorized an
STC allowing the installation of micro vortex generators on the
wings and stabilizer of the Taylorcraft. With the addition of the
vortex generators, stall speed for the Taylorcraft is reduced 5 mph
and the aircraft shows dramatic improvement in slow flight handling
and characteristics.
Taylorcraft Micro VG Kits consist of 80 vortex generators which
are mounted on the upper wing surface, just aft of the leading
edge, and another 32 that are secured to the bottom surface of the
horizontal stabilizer, just forward of the elevator. Kits also
include installation tools, detailed drawings and instructions,
templates for positioning the VGs, spares, Loctite Depend adhesive
for securing them to the aircraft surface, and all other materials
required for an easy one day installation.
The vortex generators create vortices that keep the boundary
layer attached to the flying surfaces in slow flight, allowing a
higher angle of attack and lower stall speed. In the cases of
Taylorcrafts on floats, the VGs substantially shorten the takeoff
run. There is no measurable effect on high speed performance and
they do not collect ice.
VGs, which have been common to jet aircraft for decades, are
made of 6063-T6 aluminum. One inch long and a quarter-inch high,
they are curved to match wing contour and come flat for stabilizer
surfaces. To make them ready for painting, they are alodined to a
Boeing mil spec.
Taylorcraft VG Kits sell for $695, plus shipping and handling.
For an additional $100, the VGs can be painted to match an
aircraft�s base color, provided the paint name and number
are available. The kits can be ordered from Micro AeroDynamics.
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