Tham khảo Hughes_H-4_Hercules

Ghi chú

  1. ↑ Winchester 2005, p. 113. Note: The Hughes Corporation had developed the duramold process which laminated plywood and resin into a lightweight but strong building material that could be shaped.
  2. ↑ McDonald 1981, p. 41.
  3. ↑ Odekirk 1982, p. II.
  4. 1 2 McDonald 1981, p. 45.
  5. ↑ Odekirk 1982, p. 1V.
  6. ↑ McDonald 1981, p. 41-44.
  7. 1 2 McDonald 1981, p. 40. Quote: "Kaiser announces the most monumental program in the history of aviation."
  8. 1 2 3 Winchester 2005, p. 113.
  9. ↑ McDonald 1981, p. 56.
  10. ↑ McDonald 1981, pp. 58–59.
  11. ↑ The Great Aviator: Howard Hughes, His Life, Loves & Films - A Documentary. Los Angeles: Delta Entertainment Corporation, 2004. Note: Hughes' Senate Hearings testimony is now in the public domain.
  12. ↑ McDonald 1981, pp. 78–79.
  13. ↑ McDonald 1981, pp. 85–87.
  14. ↑ Francillon 1990, pp. 100, 102.
  15. ↑ Wing In Ground effect aerodynamics
  16. ↑ David 1991

Đọc thêm

  • David, Peter. The Rocketeer: The Official Movie Adaptation. Burbank, California: W D Publications Inc., 1991. ISBN 1-5685-190-4.
  • Francillon, René J. McDonnell Douglas Aircraft since 1920: Volume II. Annapolis, Maryland: Naval Institute Press, 1990. ISBN 1-55750-550-0.
  • McDonald, John J. Howard Hughes and the Spruce Goose. Blue Ridge Summit, PA: Tab Books Inc., 1981. ISBN 0-8306-2320-5.
  • Odekirk, Glenn E. Spruce Goose (Title inside cover: HK-1 Hercules: A Pictorial History of the Fantastic Hughes Flying Boat). Long Beach, California: Glenn E. Odekirk and Frank Alcantr, Inc., 1982. No ISBN.
  • Winchester, Jim. "Hughes H-4 'Spruce Goose'." Concept Aircraft: Prototypes, X-Planes and Experimental Aircraft. Kent, UK: Grange Books plc., 2005. ISBN 1-84013-309-2.
  • Yenne, Bill. Seaplanes & Flying Boats: A Timeless Collection from Aviation's Golden Age. New York: BCL Press, 2003. ISBN 1-932302-03-4.