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Beech T-34 Wing Separation Comments

Beech T-34 Wing Separation Comments

Beech T-34 Wing Separation Comments

(OP)
The FAA is soliciting comments on the T-34 wing separation problem that has been with us for decades. Comment to:

Christy Eckerman, SD Specialist
FAA Wichita Aircraft Cert Office
1801 Airport Rd - Rm 100
Wichita, KS 67209

Perhaps the wing box, engine mt, and wings need a critical design review under old and new conditions, 220HP recip vs. PT-6. An instrumented flight test series with both engines would be a good culmination of the problem solving process.

RE: Beech T-34 Wing Separation Comments

According to Air & Space magazine, this is what's already going on between several companies who have developed AMOC's to the AD's.  Everyone has to face the fact that all aircraft have a life span, like all other machines.  As the aircraft ages, the G's that the wings can take slowly drops.  This fact is incompatible with some owners' tendencies to apply high G's in air combat schools.

Any design review to make these aircraft safe for this use must come from the owners, not the FAA.

The broader issue is that the Bonanza, Dukes, Queen Airs, and King Airs, in fact most Beech aircraft, have the same basic wing design.  The longevity of the overall concept of Beech wings will be the legacy of the decades to come.  (And the subject of much debate which will sweep Cessna, Piper, and many others along for the ride - it's already started, in fact.)

Steven Fahey, CET
"Simplicate, and add more lightness" - Bill Stout

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