FR521078A - Variable length propeller - Google Patents

Variable length propeller

Info

Publication number
FR521078A
FR521078A FR521078A FR521078DA FR521078A FR 521078 A FR521078 A FR 521078A FR 521078 A FR521078 A FR 521078A FR 521078D A FR521078D A FR 521078DA FR 521078 A FR521078 A FR 521078A
Authority
FR
France
Prior art keywords
variable length
length propeller
propeller
variable
length
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
FR521078A
Other languages
French (fr)
Inventor
Arno Boerner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR521078A publication Critical patent/FR521078A/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)
FR521078A 1920-07-26 1920-07-26 Variable length propeller Expired FR521078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR521078T 1920-07-26

Publications (1)

Publication Number Publication Date
FR521078A true FR521078A (en) 1921-07-06

Family

ID=8917060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521078A Expired FR521078A (en) 1920-07-26 1920-07-26 Variable length propeller

Country Status (1)

Country Link
FR (1) FR521078A (en)

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