# droop_udf_1
# written by John Dannenhoffer

UDPARG    naca      thickness 0.12
UDPARG    naca      camber    0.04
UDPRIM    naca

STORE     airfoil

# droop leading and trailing edges down
RESTORE   airfoil
UDPARG    droop     xle  0.20   thetale  +20.0
UDPARG    droop     xte  0.75   thetate  -30.0
UDPRIM    droop

# show original airfoil
RESTORE   airfoil
TRANSLATE 0  1/2  0

# droop leading and trailing edges up
RESTORE   airfoil
UDPARG    droop     xle  0.20   thetale  -20.0
UDPARG    droop     xte  0.75   thetate  +30.0
UDPRIM    droop
TRANSLATE 0  1  0

END