null seeking / slotted probe

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Hi everybody

I´m just studying some technical stuff again and found as input for the AOA / stall warning a socalled null seeking or slotted probe.

I know the normal AOA vane but have no idea how that other alpha probe looks like.

I appreciate any tips, links or mails with a good picture and / or a good diagram.


Thanks in advance.

[IFIX]

Google is your friend:
Avionics Specialties, Inc.

IFIX

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thanks a lot

couldn´t find a link myself

[vickers vanguard]

just like the AUX AOA vane on the CL605.not used by the Stall computer though, but for cockpit indication of AOA instead.