Kaman Rotor Tips- January/December 1973
Kaman Aerospace: Bloomfield, CT, 1973. Photos, 11 x 8.5", pict stapled self wraps, 27pp, covers a little rubbed else a nice, clean copy. Much on helicopters, including a story on "Lateral/Longitudinal Trim Strut Assemblies" by W. Wagemaker. More