No-AOA installation SV pitot/static

[bbtapb]

Since I'm flying a canard design that doesn't require the pilot to fly by AOA, I have only a simple pitot tube and static port. How should the AOA port be connected to prevent both damage to the AOA sensor and false AOA warnings? (SkyView AHRS)

Thanks
Bob

 

[skysailor]

Canard designs do indeed fly by angle of attack. Dynon tech support will probably be along shortly but I think you can simply connect the pitot port on the probe to the pitot port on the ADAHRS module. Your static line will still go to the static port on the ADAHRS. I believe you can leave the AOA port on both the probe and ADAHRS disconnected and then choose not to display the AOA on your screen.

 

[dynonsupport]

The AOA port can be left alone (leave the red plug in). Until the AOA display is calibrated, the port isn't used at all.

 

[bbtapb]

so the sensor can't be damaged by the notable pressure difference between 200 IAS down low and static up high?

 

[dynonsupport]

The AoA sensor is another airspeed sensor that reads between the AoA port and static. So it never sees more pressure than your airspeed sensor does, and it actually sees less most of the time since the AoA port is angled to the direction of flight.

It will be fine left unconnected. When unconnected it only sees the static pressure difference between inside the plane and out, which is generally very small.

 

[johnsteichen]

Although canards do fly with AOA, they do not need an indicator because the aircraft itself is self limited to the AOA that produces a canard stall ( or bob). The AOA indicator produces no useful information on a canard. 2900 hrs in canard