Flight Tests of the Sikorsky HNS-1 (Army YR-4B) Helicopter. 2 - Hovering and Vertical-Flight Performance with the Original and an Alternative Set of Main-Rotor Blades, Including a Comparison with Hovering Performance Theory

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1945
Accession Number
ADA800946

Entities

People

  • Alfred Gessow
  • F. B. Gustafson

Organizations

  • Langley Research Center

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Aeronautics
  • Air Force
  • Aircrafts
  • Airfoils
  • Airframes
  • Altitude
  • Efficiency
  • Flight
  • Ground Effect
  • Helicopter Rotors
  • Helicopters
  • Hovering
  • Measurement
  • Potential Energy
  • Rotary Wing Aircraft
  • Surface Properties
  • Tail Rotors