NUMBER OF PLIES WOVEN ROVING IN STIFFENER 

 PLATE - 2 OZ MAT 



NUMBER OF PLIES WOVEN ROVING IN STIFFENER 

 PLATE - 3 OZ MAT 



ZwR - TO WOVEN ROVING FACE OF STIFFENER 

 ZcL - TO CLOTH FACE OF PLATE 



I - ABOUT NEUTRAL AXIS - WOVEN ROVING EQUIVALENCE 

 E = 2, 06 X 1 6 PSI 



NUMBER OF PLIES OF 25-27 OZ WOVEN ROVING IN 

 STIFFENER VARIES AS INDICATED 



Y OF 25-27 OZ WOVEN ROVING 



NUMBER OF OUNCES OF MAT IN PLATE 

 VARl ES AS I NDI CATED 



1 PLY OF 10 OZ CLOTH - OUTER 



Fig. 6-40. Fiberglass Polyester Laminates - Section Modulus, Z, 

 and Moment of Inertia, I, for 25-27 Oz. Woven Roving Half-Round 

 Stiffeners with Type B Laminate. Core Considered Ineffective 



6-72 



