aerobubba(at)earthlink.ne
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 Posted: Thu Nov 09, 2006 7:05 am Post subject: MDRA rule change, gross weight increase |
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Troupe,
Without any flaming or offense intended, the statement "If you want to fly
at XXXX + XXX, then your G limits are reduced, and your maneuvering speed
goes up." is half wrong and very dangerous. A wing is designed to support
a particular limit load, in pounds of force. This force is generated at
the critical angle of attack and at the maneuvering speed as published for
MTOW. If you achieve the critical angle of attack at a speed greater than
the MTOW Va, YOU WILL EXCEED THE MAX DESIGN LOAD FOR THE WING.
I suspect that lapses of understanding such as this are precisely why Van's
has been so vocal in their protests against design changes lately. It's
much more practical than getting everybody a degree in aero.
Please, folks, if you do not have a background in aero engineering, consult
with someone who does before tinkering with such fundamental design
elements. After all, we don't know what we don't know.
Pax-
glen matejcek
aerobubba(at)earthlink.net
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