FR949386A - Improvements to coaxial propellers - Google Patents

Improvements to coaxial propellers

Info

Publication number
FR949386A
FR949386A FR949386DA FR949386A FR 949386 A FR949386 A FR 949386A FR 949386D A FR949386D A FR 949386DA FR 949386 A FR949386 A FR 949386A
Authority
FR
France
Prior art keywords
coaxial propellers
propellers
coaxial
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.)
Rotol Ltd
Original Assignee
Rotol Ltd
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 Rotol Ltd filed Critical Rotol Ltd
Application granted granted Critical
Publication of FR949386A publication Critical patent/FR949386A/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
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/306—Blade pitch-changing mechanisms specially adapted for contrarotating propellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR949386D 1941-01-03 1947-07-16 Improvements to coaxial propellers Expired FR949386A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB949386X 1941-01-03

Publications (1)

Publication Number Publication Date
FR949386A true FR949386A (en) 1949-08-29

Family

ID=10767481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR949386D Expired FR949386A (en) 1941-01-03 1947-07-16 Improvements to coaxial propellers

Country Status (1)

Country Link
FR (1) FR949386A (en)

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