Specific heating ratio (Cp/Cv) =
Mach number =
1/2 of Cone Apex Angle (degree) =
Input data in fields above and click --->
Drag coefficient =
Cone surface pressure Cp =
Base pressure Cp =
The drag coefficient of ballute vs. Mach number is close to the same for cone with appropriate apex angle. In order to define this angle use empirical data (Mach number and drag coefficient) for ballute.