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Chris,
Consider mounting it on one of the aileron bell crank access
cover. That may position the pitot within the desired range. The
cover makes it easy to deal with the required connections as long as they are
kept clear of the aileron mechanisms.
It is possible to route the pressure and electrical lines through the
rear spar and along the aft face of the spar to reenter through the fuselage
filet close out.
Another possibility would be to route the lines thru the outboard bell
crank area rib and the wingtip rib, then back to the cockpit through the
pvc pipe that carries the recognition/strobe light lines.
Scott Krueger
AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL (KARR)
Pilot
not TSO'd, Certificated score only > 70%.
In a message dated 1/6/2009 8:23:28 P.M. Central Standard Time,
cskelt@earthlink.net writes:
Folks,
I was persuaded by the arguments cited on the List in favor of an AOA
indicator and just received a Dynon AOA Pitot tube to replace the
standard AN5812. It's 2 1/4 inches longer than the AN5812, and so sticks
out a couple of inches in front of the leading edge. In the installation
instructions Dynon recommend that the tip should be between 2
and 12 inches aft of the leading edge, which would mean I need to move the
mount aft to outboard of the gear doors. This would be a pain, and would also
result in a longer and circuitous route for the pitot and AOA plumbing, as
would mounting it at the wingtip, etc...
I don't believe I'm the first to retrofit an AOA probe, so does anyone
have views or experience on whether it would function well aerodynamically?
Regards, Chris.
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