FR639437A - Hélice bois-métal - Google Patents

Hélice bois-métal

Info

Publication number
FR639437A
FR639437A FR639437DA FR639437A FR 639437 A FR639437 A FR 639437A FR 639437D A FR639437D A FR 639437DA FR 639437 A FR639437 A FR 639437A
Authority
FR
France
Prior art keywords
wood
metal propeller
propeller
metal
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
English (en)
Inventor
Louis-Charles George
Francois Peri
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 FR639437A publication Critical patent/FR639437A/fr
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
    • B64C11/205—Constructional features for protecting blades, e.g. coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR639437D 1927-01-22 1927-01-22 Hélice bois-métal Expired FR639437A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR639437T 1927-01-22

Publications (1)

Publication Number Publication Date
FR639437A true FR639437A (fr) 1928-06-21

Family

ID=8996754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR639437D Expired FR639437A (fr) 1927-01-22 1927-01-22 Hélice bois-métal

Country Status (1)

Country Link
FR (1) FR639437A (fr)

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