William Adkins wrote:

Hi again,

Sure don't want to show my b---, but having been in on vortex generation
investigations conducted for one full year in the Laminar Flow Control
Tunnel at NASA I've seen some things-------.

Y'll be real careful what you attach to flying surfaces. I know of one
fellow who
almost killed himself by painting a stripe on the leading wing of his
Quicky.
 After landing and cleaning out the cockpit (bad smell) he figured the only
thing
he had done since the previous flight was paint a stripe along the leading
wing.
Sanded that off and it flew as before.  That .040 stripe had tripped the
flow on his
wing.

This tape has a leading edge on it.  May be thin, but it is there.  Again "a
flow trip
in front of a flow trip is NOT a good thing. ( Priced the tape?)

Fly fast, land slow. (properly installed vortex generators help)

Bill

hsanders wrote:

To: William Atkins

Bill, I am at the point of installing vgs on a Long EZ that has a slick wing
(never had vortilons or vgs). From your educated viewpoint, can you offer some
suggestions on % of chord to mount the vgs for max lift / minimum drag and how
close to space them. Also, most I have seen were mounted in pairs with counter
rotation. Could they be just as effective mounted all the same direction?  What
angle off center line? Recommended height and length?  Any help will be
appreciated  In current state & at 1600 lbs, and cg at about 102.5, the Long will
fly final @ 80 kias and land at about 70 kias. Pitot is flush in nose and may be
indicating a little low at low speed.   Thanks, Herb Sanders

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