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Manned Spacecraft Design Principles by Pasquale M Sforza

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Figure 7.50 Some simple planforms for tail fins: (a) delta, (b) cropped delta, and (c) rectangular wing. The dashed lines illustrate how fin planforms are joined to form wings used in the lift calculations while the dotted lines denote the mid-chord line.

The aspect ratio A of the wing is the ratio of the area of a square whose side is the span b to the actual planform area of the wing, denoted by S:

Α=b2S (7.128)

image (7.128)

The Mach number enters Eqn (7.127) through the subsonic form of the Prandtl–Glauert factor

β=1M2 (7.129)

(7.129)

If the ...

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