140 High Performance Thermoplastic Resins and Their Composites Fin Offset to Offload Tail Rotor 8● Woven CFRPEI Sandwich Fins Top0",90°，90°，0，UD APC-2 Vacuum Formed PC Sandwich Profile Capping Strips Honeycomb Block Front Attachment Trailing Edge Kevlar/PEI Reinforcement Frangible Bumper Bush Cap Filled Honeycomb Fin/Tailplane Joints Rubber Bush Vibration P-Pressed±45°UD APC-2 Front Spar lsolator Joggle Formed During Pressing Bush Insert Pressed±45°UD APC-2RIh Leading Edge Reinforcement Rubber Bush Vibratlon CF/PEEK Bush Cap Isolator Injection Moulding Pre330dt45°UD APC-2 Rear Attachment Rear Spar FIGURE 60.Westland 30-300 Thermoplastic Tailplane [249] TABLE 38.Estimation of the Tallplane Costs Assuming that the Material and Components are being Produced in Volume Quantity [250] W30 tailplane costs and weights Metallic Thermoset Thermoplastic Optimized Al-alloy CFR epoxy APC and plastic CFRPEI APC and CFRPEI Weight 100% 70% 71% 68% Manufacturing cost 100% 76% 52% 44%140 High Performance Thermoplastic Resins and Their Composites Fin Offset to Offload Tail Rotor Woven CFRPEI Sandwich Fins Top O”, 90”, go”, 0, UD APC-2 Sandwich Profile Vacuum Formed PC Honeycomb Block Rubber Bush V Filled Honeycomb y’ ~&r/Tailplane Joints Pressed f45” UD APC-2 Front Spar e Formed During Pressing d +45” UD APC-2 Rib Relnforceme Injection Mouldlng er Bush Vibration Isolator Pressed f45O UD APC-2 Rear Spar Rear Attachment FIGURE 60. Westland 30-300 Thermoplastic Tailplane [249] TABLE 38. Estimation of the Tailplane Costs Assuming that the Material and Components are being Produced in Volume Quantity [250] W3O tailplane costs and weights Metallic AI -alloy Weight 100% Manufacruring cost 100% Themoset CFR epoxy 70% 76% Thermoplastic APC and CFRPEI 71% 52% Optimized plastic APC and CFRPEI 68% 44%