FR574439A - Improvements to air navigation devices, in particular airplanes - Google Patents

Improvements to air navigation devices, in particular airplanes

Info

Publication number
FR574439A
FR574439A FR574439DA FR574439A FR 574439 A FR574439 A FR 574439A FR 574439D A FR574439D A FR 574439DA FR 574439 A FR574439 A FR 574439A
Authority
FR
France
Prior art keywords
navigation devices
air navigation
particular airplanes
airplanes
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
Philippe-Paul-Henri Bille
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 FR574439A publication Critical patent/FR574439A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C3/00—Wings
    • B64C3/38—Adjustment of complete wings or parts thereof
    • B64C3/54—Varying in area

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR574439D 1921-03-26 1922-03-24 Improvements to air navigation devices, in particular airplanes Expired FR574439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE574439X 1921-03-26

Publications (1)

Publication Number Publication Date
FR574439A true FR574439A (en) 1924-07-11

Family

ID=3873252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR574439D Expired FR574439A (en) 1921-03-26 1922-03-24 Improvements to air navigation devices, in particular airplanes

Country Status (1)

Country Link
FR (1) FR574439A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5052641A (en) * 1989-04-06 1991-10-01 Coleman Henry L Method to construct variable area, membrane spar and wing airfoil aircraft and kite wings and suitable aelerons

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5052641A (en) * 1989-04-06 1991-10-01 Coleman Henry L Method to construct variable area, membrane spar and wing airfoil aircraft and kite wings and suitable aelerons

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