1. Longitudinal stability could be ensured or improved by minimizing the latter effect.2. These changes improved longitudinal stability , especially when the aircraft was fully loaded. 3. The evidence on the longitudinal stability of attachment security is therefore currently inconclusive. 4. The aerodynamic center is the conceptual starting point for longitudinal stability . 5. A wing with a conventional aerofoil profile makes a negative contribution to longitudinal stability . 6. Longitudinal stability and control may be obtained with other wing configurations, including tailless aircraft.7. Depending on its design, a canard surface may increase or decrease longitudinal stability of the aircraft. 8. The initial flights looked at longitudinal stability and control, wing and tail loads, and pressure distribution. 9. Its purpose was to provide automatic lateral and longitudinal stability in the event of a momentary sideslip. 10. Lachmann was also concerned about longitudinal stability and included a novel moving tailplane-elevator combination for greater pitch control.
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