NASA compressor rotor balancing. Full caption: "20 INCH COMPRESSOR ROTOR WHILE ON BALANCE MACHINE IN MACHINE SHOP"
Fullsize image: https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...ssor_rotor.jpg
Previously:
https://www.homemadetools.net/forum/...114#post176359
https://www.homemadetools.net/forum/...281#post177015
https://www.homemadetools.net/forum/...024#post176118
https://www.homemadetools.net/forum/...995#post176002
https://www.homemadetools.net/forum/...924#post175645
https://www.homemadetools.net/forum/...861#post175368
