Re: Furler motor to gearbox sm2000


Matt & Michelle Day, SM#208 SV Talia
 

Most electric motors use mild steel shafts (I doubt the electric motors on the AMEL have nickel or nickel-vanadium shafts due to cost).  The shafts are designed for an infinite life in a controlled environment, given the design torque of the motor/stator.  We have all seen how mild steel can corrode in sodium rich environment.  The pitting that can occur from the sodium ingression can limit the design life at the design torque due to stress corrosion cracking.  

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