Dorsal Fin Problems and Replacement
The dorsal fin was cracked and
needed replacement. Apparently, it can separate
in flight causing interesting aerodynamic control problems. I have been told that this has happened to
two pilots. Both cases caused a loss of
control of the aircraft until the dorsal fin completely separated from the
airplane. The two links below will show
the dorsal fin cracks, the mounting method of the dorsal fin, and the layout
for the replacement.
Mounting
of dorsal fin – original
Mounting
of dorsal fin – cleaned up