Here’s What You Need To Remember: While it is absolutely true that al modern military helicopters—from the UH-60 Black Hawk to the AH-64 Apache —can all be traced back to the Sikorsky R-4 and its ...
Click to open image viewer. Miscellaneous parts removed from the Flettner Fl 282 transmission during restoration work or were included as extra. Includes three aluminum alloy rings, nine ferrous alloy ...