DC-10 Engine pod fins

From:         ctillier@flagstaff.princeton.edu (Clemens Emmanuel Tillier)
Organization: Princeton University
Date:         21 Mar 94 14:52:09 PST
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I've noticed on several DC-10's that the wing engines have two small
fins (one on each side of the engine pod, sort of at the 10 o'clock
and 2 o'clock positions). I noticed that these often produce a stream
of condensation on takeoff- a great way to see the airflow over the

What function do these fins serve?

Clem Tillier
Princeton, New Jersey, USA