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Stu

We just finished the vert. fin and rudder on my IV and the trailing edge of
the fin was indeed narrower than the rudder.  The problem appears to be in
the rear 3 or 4 inches of the fin.  It hooks inboard.  I would suggest that
it be fixed with heat as early in construction as possible.  That is prior to
bonding the LH skin on.  If the LH skin is on do the repair before the
phenolic hinge blocks are in.  If your rear fin spar is correct to the
drawings you can use the dimensions shown on the drawing for the hinge blocks
to get close.  The new fast build Fin and rudder fixes this problem.  Good
luck.

Tom
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Please send your photos and drawings to marvkaye@olsusa.com.
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