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RV7-List Digest: 4 Msgs - 02/25/06

 
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llsbiii3(at)netzero.net
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PostPosted: Sun Feb 26, 2006 6:42 am    Post subject: RV7-List Digest: 4 Msgs - 02/25/06 Reply with quote

I believe the Grummans suffer from a small tail volume.  When ventral and dorsal fins are added the spin charastices improve.
Sherman Butler

Time: 05:42:53 AM PST US
From: Brian Gawronski <six_rabbits(at)yahoo.com>
Subject: RE Dangerous ER fuel tanks
 The two-place Grumman American AA-1 uses its
full-length tubular main spar as the fuel tank.
Because of this, it is placarded against spins, and
has been involved in numerous spin accidents.  NASA
has used it as a spin research plane (with a
spin-recovery chute mounted at the tail!)

Quote:
>were potentially dangerous.
>He said that during spin, the fuel would be sloshed
to >the outboard end of the
>fueltank thus making it difficult or impossible to
>revover from a spin.



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