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<DIV><FONT face=Arial size=2>Peter,</FONT></DIV>
<DIV><FONT face=Arial size=2>What the Alliance needs is a significent increase
in wing and stab incidence, then probably a thrustline adjustment. Since this is
impractical a dorsal fin can provide the same results, with no negatives.
Eliminating the need for a mix always provides the best flying airplane, the
easiest to
trim. </FONT></DIV>
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<DIV><FONT face=Arial size=2>Mark,</FONT></DIV>
<DIV><FONT face=Arial size=2>The mix required to correct the knife-edge is
needed for all attitudes where the plane is yawed. The mix complements the
entire pattern.</FONT></DIV></BODY></HTML>