View Full Version : US Propellers Inc.

06-17-2014, 04:05 PM
I have a wooden propeller, red tipped, US Propellers Inc. 22008 SER 121Y. Any info on when this was produced and use?

06-17-2014, 10:41 PM
It's a UAV (drone) propeller. Not sure when those were made, but I think it was probably 50's or 60's. They're quite commonly found.