FR572530A - Improvements to propulsion propellers - Google Patents

Improvements to propulsion propellers

Info

Publication number
FR572530A
FR572530A FR572530DA FR572530A FR 572530 A FR572530 A FR 572530A FR 572530D A FR572530D A FR 572530DA FR 572530 A FR572530 A FR 572530A
Authority
FR
France
Prior art keywords
propulsion propellers
propellers
propulsion
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
Henry Leitner
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 FR572530A publication Critical patent/FR572530A/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
    • B64C11/20—Constructional features
    • B64C11/24—Hollow blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR572530D 1923-03-17 1923-10-31 Improvements to propulsion propellers Expired FR572530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB572530X 1923-03-17

Publications (1)

Publication Number Publication Date
FR572530A true FR572530A (en) 1924-06-07

Family

ID=10478752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR572530D Expired FR572530A (en) 1923-03-17 1923-10-31 Improvements to propulsion propellers

Country Status (1)

Country Link
FR (1) FR572530A (en)

Similar Documents

Publication Publication Date Title
FR568011A (en) Improvements to boat hulls
FR574109A (en) Improvements to parachutes
FR591117A (en) Improvements to propellers
FR572530A (en) Improvements to propulsion propellers
FR601459A (en) Improvements to propulsion propellers
FR568407A (en) Improvements to propulsion propellers
FR599306A (en) Improvements to propulsion propellers
FR28518E (en) Improvements to parachutes
FR654292A (en) Improvements to propellers
FR622362A (en) Improvements to propulsion propellers
FR572022A (en) Improvements to aerial propellers
FR584003A (en) Improvements to aeronautical propellers
FR585103A (en) Improvements to aeronautical propellers
FR585066A (en) Improvements to aeronautical propellers
FR585118A (en) Improvements to aeronautical propellers
FR568598A (en) Improvements to parqueters
FR572322A (en) Improvements to
FR564047A (en) Improvements to bioyclettes
FR589810A (en) Improvements to thermo-siphons
FR528218A (en) Improvements to propulsion propellers
FR674982A (en) Improvements to propellers
FR580957A (en) Improvements to airplanes
FR571352A (en) Improvements to airplanes
FR545421A (en) Improvements to propellers
FR647071A (en) Improvements to ship hulls