I pulled a swivelling tailwheel off a G-103 today and was (gratefully)
reminded to not hit the long TE probe when standing up.

Why are these things so long? If they were 2" instead of
a foot long would it really matter that much? Is the airflow
really disturbed enough to make a difference?

The pitot on many power planes is maybe 2-4" long.
What's the deal here?

Has anyone tried a shorter TE probe? What's the difference
in error? Can it be compensated?
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Mark Boyd
Avenal, California, USA