FR425669A - Wooden propeller for airplanes and airships - Google Patents

Wooden propeller for airplanes and airships

Info

Publication number
FR425669A
FR425669A FR425669DA FR425669A FR 425669 A FR425669 A FR 425669A FR 425669D A FR425669D A FR 425669DA FR 425669 A FR425669 A FR 425669A
Authority
FR
France
Prior art keywords
airships
airplanes
wooden propeller
propeller
wooden
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)
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.)
Borrmann & Kaerting
Original Assignee
Borrmann & Kaerting
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 Borrmann & Kaerting filed Critical Borrmann & Kaerting
Application granted granted Critical
Publication of FR425669A publication Critical patent/FR425669A/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
    • B64C11/205—Constructional features for protecting blades, e.g. coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR425669D 1910-02-14 1911-02-04 Wooden propeller for airplanes and airships Expired FR425669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE425669X 1910-02-14

Publications (1)

Publication Number Publication Date
FR425669A true FR425669A (en) 1911-06-16

Family

ID=1468309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR425669D Expired FR425669A (en) 1910-02-14 1911-02-04 Wooden propeller for airplanes and airships

Country Status (1)

Country Link
FR (1) FR425669A (en)

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