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Influence of Fixed Structure and Flapped Structure - Coggle Diagram
Influence of Fixed Structure and Flapped Structure
Fixed Structure
in front of movable rudder
Larger control force
Flapped or Hinged Rudder
Fixed part
shall be computed
for calculations
Aspect ratio
Thickness to chord ratio
taper ratio
Tail flap
Increases Drag
No more than 20%
Rudder-Skeg
Less Lift Increase x Increasing Angles of Attack
Stall angle
delayed by 12°
Max Lift Coefficient 10% less
Higher Drag
During Turning
Higher Max Lift Coeff
