Models View all NACA SUBMERGED DUCT ENTRANCES RM A7I30 5 116 0 NACA BLADE CROSS SECtION (RAF6 - <CLARK Y) 0 56 0 Naca BLADE(37-3647(clockwise 2Blades)) 1 119 0 NACA PROPELLER BLADE(5868-9(counter-clockwise 2Blades)) 12 615 4 NACA PROPELLER BLADE(5868-9(clockwise 2Blades)) 2 191 1 NACA BLADE(5868-9(counter-clockwise 2Blades)) 0 45 0