FR417989A - Biplan concentrique à mouvements contraires - Google Patents

Biplan concentrique à mouvements contraires

Info

Publication number
FR417989A
FR417989A FR417989A FR417989DA FR417989A FR 417989 A FR417989 A FR 417989A FR 417989 A FR417989 A FR 417989A FR 417989D A FR417989D A FR 417989DA FR 417989 A FR417989 A FR 417989A
Authority
FR
France
Prior art keywords
biplane
concentric
opposite movements
movements
opposite
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
FR417989A
Other languages
English (en)
Inventor
Edouard-Jean Bigourdan
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.)
EDOUARD-JEAN BIGOURDAN
Original Assignee
EDOUARD-JEAN BIGOURDAN
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 EDOUARD-JEAN BIGOURDAN filed Critical EDOUARD-JEAN BIGOURDAN
Application granted granted Critical
Publication of FR417989A publication Critical patent/FR417989A/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
    • B64C11/005—Spiral-shaped propellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR417989A 1910-06-25 1910-06-25 Biplan concentrique à mouvements contraires Expired FR417989A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR417989T 1910-06-25

Publications (1)

Publication Number Publication Date
FR417989A true FR417989A (fr) 1910-11-28

Family

ID=1461348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR417989A Expired FR417989A (fr) 1910-06-25 1910-06-25 Biplan concentrique à mouvements contraires

Country Status (1)

Country Link
FR (1) FR417989A (fr)

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