I've been working on
a DATCOM+ model for the A380, and discovered one of those pain in the butt
errors, that caused MAJOR problems all due to one bad letter. I don't have a
DATCOM user's group estabilshed, but I know a number of people on this list are
using my DATCOM stuff, and thought this notice might help someone that would
have been running into the same problem that I was having, but might be too
embarassed to ask. For the rest of you, I apologize for wasting your band width,
global warming, and the hole in the ozone.
One wrong letter
would cause DATCOM to generate "NaN" (Not A Number), or a default number
(1.0E-29) for some cases. This would show up in the TOTAL AIRCRAFT output
section of the DATCOM.OUT file, and bad numbers in the DACOM.XML file for many
of the coefficients.
The error is located
under the VERICAL TAIL PLANFORM VARIABLES. Look for VFPLNF CHSTAT and change it
to VTPLNF CHSTAT.
Sorry about
that.
Bill
billg ( at )
holycows.net
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