FR721861A - Propeller refinements - Google Patents

Propeller refinements

Info

Publication number
FR721861A
FR721861A FR721861DA FR721861A FR 721861 A FR721861 A FR 721861A FR 721861D A FR721861D A FR 721861DA FR 721861 A FR721861 A FR 721861A
Authority
FR
France
Prior art keywords
refinements
propeller
propeller refinements
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
Francis Edward Colbert
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 FR721861A publication Critical patent/FR721861A/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
    • B64C11/16—Blades
    • B64C11/20—Constructional features
    • B64C11/24—Hollow blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR721861D 1930-08-27 1931-08-22 Propeller refinements Expired FR721861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU721861X 1930-08-27

Publications (1)

Publication Number Publication Date
FR721861A true FR721861A (en) 1932-03-09

Family

ID=3754948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721861D Expired FR721861A (en) 1930-08-27 1931-08-22 Propeller refinements

Country Status (1)

Country Link
FR (1) FR721861A (en)

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