Coast Guard solution of problem of stability is to mount horizontal airfoils on non-rotating swashplate of Sikorsky HOS-1 which hold swashplate in given plane relative to flight path in forward flight; plane of swashplate can be adjusted from cockpit by means of trim tabs to cover wide speed range; stabilizer holds aircraft in proper altitude for several minutes permitting pilot to operate radio, to navigate, to search or perform other operational duties.
U. S. Coast Guard helicopter stabilizer
Am Helicopter
American Helicopter ; 11 , n 9
1948
2 pages
Aufsatz (Zeitschrift)
Englisch
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