Seems manufacturing reliable blades is no black magic:
https://www.jetwhine.com/2018/06/ens...r-blade-maker/
When well done "on-condition" means 22000 hours service life!
That would be one set of Enstrom blades outlive 10 robinson overhauls.
Last edited by Reely340; 13th Jul 2020 at 18:34.