FR688441A - Air propeller hub - Google Patents

Air propeller hub

Info

Publication number
FR688441A
FR688441A FR688441DA FR688441A FR 688441 A FR688441 A FR 688441A FR 688441D A FR688441D A FR 688441DA FR 688441 A FR688441 A FR 688441A
Authority
FR
France
Prior art keywords
propeller hub
air propeller
air
hub
propeller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Hamilton-Neil Wylie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sir WG Armstrong Whitworth and Co Engineers Ltd
Original Assignee
Sir WG Armstrong Whitworth and Co Engineers Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sir WG Armstrong Whitworth and Co Engineers Ltd filed Critical Sir WG Armstrong Whitworth and Co Engineers Ltd
Application granted granted Critical
Publication of FR688441A publication Critical patent/FR688441A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • B64C11/34—Blade pitch-changing mechanisms mechanical automatic
    • B64C11/343—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on the blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR688441D 1929-02-04 1930-01-18 Air propeller hub Expired FR688441A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB688441X 1929-02-04

Publications (1)

Publication Number Publication Date
FR688441A true FR688441A (en) 1930-08-22

Family

ID=10492980

Family Applications (1)

Application Number Title Priority Date Filing Date
FR688441D Expired FR688441A (en) 1929-02-04 1930-01-18 Air propeller hub

Country Status (1)

Country Link
FR (1) FR688441A (en)

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