FR687151A - Propeller for air navigation - Google Patents

Propeller for air navigation

Info

Publication number
FR687151A
FR687151A FR687151DA FR687151A FR 687151 A FR687151 A FR 687151A FR 687151D A FR687151D A FR 687151DA FR 687151 A FR687151 A FR 687151A
Authority
FR
France
Prior art keywords
propeller
air navigation
navigation
air
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
Sylvanus Albert Reed
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 FR687151A publication Critical patent/FR687151A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR687151D 1929-03-20 1929-12-23 Propeller for air navigation Expired FR687151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US687151XA 1929-03-20 1929-03-20

Publications (1)

Publication Number Publication Date
FR687151A true FR687151A (en) 1930-08-05

Family

ID=22084264

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687151D Expired FR687151A (en) 1929-03-20 1929-12-23 Propeller for air navigation

Country Status (1)

Country Link
FR (1) FR687151A (en)

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