@@ -3,7 +3,12 @@ On this page you get information about the methods used to design an empennage
## Volume coefficient method
The volume coefficient method which is used to generate the empennage. It is a classic method by selecting an appropriate Volumecoefficient where it creates a relation between the reference area and the empennage area.
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This method does not take any stability requirements into account!
The volume coefficient method which is used to generate the empennage. It is a classic method by selecting an appropriate volume coefficient where it creates a relation between the reference area and the empennage area.
E.g. the volume coefficient for a conventional tail (vertical stabilizer ($vs$) and horizontal stabilizer ($hs$)) is given for the vertical stabilizer by: