FR729243A - Improvements to helicopters - Google Patents

Improvements to helicopters

Info

Publication number
FR729243A
FR729243A FR729243DA FR729243A FR 729243 A FR729243 A FR 729243A FR 729243D A FR729243D A FR 729243DA FR 729243 A FR729243 A FR 729243A
Authority
FR
France
Prior art keywords
helicopters
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
Pietro Trojani
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 FR729243A publication Critical patent/FR729243A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/54Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B64C27/58Transmitting means, e.g. interrelated with initiating means or means acting on blades
    • B64C27/59Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical
    • B64C27/615Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical including flaps mounted on blades
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/30Wing lift efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR729243D 1931-01-08 1932-01-05 Improvements to helicopters Expired FR729243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE729243X 1931-01-08

Publications (1)

Publication Number Publication Date
FR729243A true FR729243A (en) 1932-07-20

Family

ID=6635914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR729243D Expired FR729243A (en) 1931-01-08 1932-01-05 Improvements to helicopters

Country Status (1)

Country Link
FR (1) FR729243A (en)

Similar Documents

Publication Publication Date Title
BE392634A (en) Improvements to mixed ether-salts
FR732263A (en) Improvements to detonators
FR736135A (en) Improvements to knockers
FR727730A (en) Improvements to airplanes
FR746467A (en) Improvements to mixed ethers-salts
FR709652A (en) Improvements to saucers
FR752680A (en) Improvements to airplanes
FR736100A (en) Improvements to airplanes
FR729243A (en) Improvements to helicopters
FR724461A (en) Improvements to flying machines
FR740178A (en) Improvements to airplanes
FR717839A (en) Improvements to airplanes
FR710958A (en) Improvements to airplanes
FR709944A (en) Improvements to airplanes
FR729476A (en) Improvements to flying devices
FR723914A (en) Improvements to mowers
FR42300E (en) Improvements to parachutes
FR717407A (en) Improvements to hydrofoils
FR41386E (en) Improvements to parachutes
FR732335A (en) Improvements to servo-brakes
FR715992A (en) Improvements to motocameras
FR41670E (en) Improvements to decavaillonneurs
FR719285A (en) Improvements to bannetons
FR727937A (en) Improvements to decavaillonneurs
FR718083A (en) Improvements to valve-pistons