nasa
TRANSCRIPT
NASA safe wing
Grim statistical data of nearly 30% fatal accidents involving light and full scale aircrafts are based on sporadic reasons of stalling and spinning at low altitudes , ground impacts before spinning fully develops.
Proposed safe wing design by NASA to terminate these fatal accidents caused due to poor wing designs , etc.....
Why we need to understand this?
Speed –AoAStalling –low speed limitCentrifugal force-stalling speed limitCessna 170-60 degrees 40%Lowering ailerons at high stalling AoA
contents
Fixed or refractable LE slotsWing wash out o reduce tip anglesGreater camber at wing tipsSlot –lip ailerons
Performance down roar Spin and stall controlled
Remedies of spin /stall effects
Increasing droop ahead of ailerons-sunbird , snowy owl , osprey....
Delays stall-2 AOA of stallRecovers spin using aileronsIneffective ailerons in snowy owl at high
altitudeStyrofoam-author uses
NASA’s solutions