machined aluminum servo arm was designed to attach the wing
spar of the Robotic Bird onto Hitec's digital brushless
servos. It has a round ferrule for mounting the hollow carbon
wing spars used in the S1 Robotic Bird. The hollow ferrule
will also accept a 1/8 inch solid carbon wing spar for your
own robotic bird or RC ornithopter designs.
Arm - $9.95