Whats that expression, something like good judgement comes from experience;
unfortunately much of that experience is gained from bad judgement. Or
something like that.
Walter
----- Original Message -----
From: "Donald B. Barker" <[EMAIL PROTECTED]>
To: <soaring@airage.com>
Sent: Friday, February 17, 2006 9:25 AM
Subject: RE: [RCSE] Carbon Supra #48 flies - weight < 61 oz !
With age comes wisdom... :):)
(you didn't explain that this occurred almost 18 years ago...and yes at
that
time I was a tenured faculty in structural mechanics. If you don't break
things, you also don't learn the limits.)
don
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Subject: Re: [RCSE] Carbon Supra #48 flies - weight < 61 oz !
...
Well, since YOU are the one who replaced your steel rods with CF of the
SAME
SIZE(!!) and then stood in amazement (mumbling something about carbon is
supposed to be stronger than steel?) when your stabs blew off on the
first
following winch launch (SNORT, GIGGLE!) back when, perhaps that first
description
is NOT inappropriate! That incident was (I think) after you became a
DrEng,
but maybe before you got tenure at UMD (now the story can be told!). Yes
folks, this really happened (I was there), so in matters of composite
aero
structure strength vs weight vs stiffness vs good engineering practice;
stick with
Dr Mark and ignore Dr Doof... (er).. Don! Good Lift!
...
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