The absence of vertical surfaces significantly reduces the Radar Cross Section (RCS), a key reason for the design of the B-2 Spirit. 2. Overcoming Stability Challenges
Theoretically, a pure flying wing is the most efficient aerodynamic shape possible. tailless aircraft in theory and practice pdf
By sweeping the wings back and twisting the tips so they have a lower angle of attack (washout), the wingtips act as the "tail." Because they are physically behind the center of gravity, any lift generated at the tips helps stabilize the pitch of the aircraft. 3. Historic Evolution: From Lippisch to Northrop The absence of vertical surfaces significantly reduces the