From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

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 548/DEPENDENCIES/7_09data.sci | 11 +++++++++++
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 create mode 100755 548/DEPENDENCIES/7_09data.sci

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diff --git a/548/DEPENDENCIES/7_09data.sci b/548/DEPENDENCIES/7_09data.sci
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+//consider the airplane of example 7.8.its elevator hinge derivatives are:
+DCh=-0.008;//derivative w.r.t absolute angle of attack of tail
+DChe=-0.013;//derivative w.r.t elevator deflection
+at=0.1;//tail lift slope per degree(from example 7.4)
+DClt=0.04;// elevator control efficiency (from example 7.8)
+Hac=0.24;//location of aerodynamic center from leading edge(from example 7.3)
+Vh=0.34;//tail volume ratio(from example 7.4)
+de=0.35;//derivative of downwash angle w.r.t angle of attack(from example 7.4)
+a=0.08;//lift slope(from example 7.4)
+F=1-DClt*DCh/(at*DChe) //free elevator factor
+Hn=Hac+F*Vh*at*(1-de)/a //neutral point
-- 
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