Summary

I improved the switchblade tri copter tail servo by incorporating the heavy duty digital Blue bird servo and using a M3 20mm hex bolt to tie the entire assembly together as one unit. This replaces the pivot pin. This will make for a very strong Tri copter FPV racer. 

Video of the mod https://youtu.be/MkrSIfn8Pic

http://www.blue-bird-model.com/en/servos/bms-210dmh.html
http://www.hobbyking.com/hobbyking/store/__30688__Turnigy_8482_TGY_210DMH_Coreless_w_Heat_Sink_DS_MG_Servo_3_9kg_13sec_16g_US_Warehouse_.html