FR642668A - Propeller for airplanes - Google Patents

Propeller for airplanes

Info

Publication number
FR642668A
FR642668A FR642668DA FR642668A FR 642668 A FR642668 A FR 642668A FR 642668D A FR642668D A FR 642668DA FR 642668 A FR642668 A FR 642668A
Authority
FR
France
Prior art keywords
airplanes
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
Wallace Rupert Turnbell
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 filed Critical
Application granted granted Critical
Publication of FR642668A publication Critical patent/FR642668A/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
    • B64C11/44—Blade pitch-changing mechanisms electric

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR642668D 1927-10-21 1927-10-21 Propeller for airplanes Expired FR642668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR642668T 1927-10-21

Publications (1)

Publication Number Publication Date
FR642668A true FR642668A (en) 1928-09-01

Family

ID=8998940

Family Applications (1)

Application Number Title Priority Date Filing Date
FR642668D Expired FR642668A (en) 1927-10-21 1927-10-21 Propeller for airplanes

Country Status (1)

Country Link
FR (1) FR642668A (en)

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