Page 105 - Understanding Flight
P. 105
CH03_Anderson 7/25/01 8:56 AM Page 92
92 CHAPTER THREE
Fig. 3.30. Double-slotted flap.
Fig. 3.31. Fixed slot.
The North American P-51 camber. In cruise the slats are retracted and do not cause
Mustang prototype was designed increased drag. This type of slat is often designed so that they
and built in 102 days. deploy by themselves at slow speeds and high angles of attack
and return to the flush position in cruise.
Deflected Slipstream and Jet Wash
One way to increase lift at slow flight speeds is to divert the propeller’s
slipstream or the jet engine’s exhaust down. To achieve a substantial
