FR439413A - Propeller with concave leading edge and decreasing fraction of pitch - Google Patents

Propeller with concave leading edge and decreasing fraction of pitch

Info

Publication number
FR439413A
FR439413A FR439413DA FR439413A FR 439413 A FR439413 A FR 439413A FR 439413D A FR439413D A FR 439413DA FR 439413 A FR439413 A FR 439413A
Authority
FR
France
Prior art keywords
propeller
pitch
leading edge
concave leading
decreasing fraction
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
Pierre Levasseur
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR439413A publication Critical patent/FR439413A/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
    • B64C11/18—Aerodynamic features

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR439413D 1912-01-26 1912-01-26 Propeller with concave leading edge and decreasing fraction of pitch Expired FR439413A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR439413T 1912-01-26

Publications (1)

Publication Number Publication Date
FR439413A true FR439413A (en) 1912-06-13

Family

ID=1480850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR439413D Expired FR439413A (en) 1912-01-26 1912-01-26 Propeller with concave leading edge and decreasing fraction of pitch

Country Status (1)

Country Link
FR (1) FR439413A (en)

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