BE400219A - - Google Patents

Info

Publication number
BE400219A
BE400219A BE400219DA BE400219A BE 400219 A BE400219 A BE 400219A BE 400219D A BE400219D A BE 400219DA BE 400219 A BE400219 A BE 400219A
Authority
BE
Belgium
Prior art keywords
airplane
groove
tapered surface
aircraft
hull
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE400219A publication Critical patent/BE400219A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • B64C23/005—Influencing air flow over aircraft surfaces, not otherwise provided for by other means not covered by groups B64C23/02 - B64C23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Transmission Devices (AREA)
BE400219D BE400219A (en:Method)

Publications (1)

Publication Number Publication Date
BE400219A true BE400219A (en:Method)

Family

ID=66379

Family Applications (1)

Application Number Title Priority Date Filing Date
BE400219D BE400219A (en:Method)

Country Status (1)

Country Link
BE (1) BE400219A (en:Method)

Similar Documents

Publication Publication Date Title
CA2837829C (fr) Pale, en particulier a calage variable, helice comprenant de telles pales, et turbomachine correspondante
EP1881176A3 (en) An engine arrangement
FR2589427A1 (fr) Module d'helice pour un moteur a turbine a gaz aeronautique
FR2521639A1 (fr) Moteur de propulsion d'avion a helice de haute performance
CH155974A (fr) Hélicoptère.
EP0067097A1 (fr) Extrémité de pale pour voilure tournante d'aéronef
BE400219A (en:Method)
FR2706851A1 (en:Method)
US6299495B1 (en) Airboat transmission, lubrication system, and associated method
FR2555125A1 (fr) Dispositif de regulation automatique du pas d'une helice
US2026917A (en) Propelling device
WO2016151238A1 (fr) Boîte à engrenages comportant un réducteur amélioré
FR2891026A1 (fr) Eolienne a aubes verticales
CN107061145B (zh) 海面波浪能风能收集装置
DE38414C (de) Stromturbine mit Leit- und Staurad
US2077648A (en) Water turbine
BE429562A (en:Method)
FR2735200A1 (fr) Transmission de securite comportant deux helices contra-rotatives
JPS6323279Y2 (en:Method)
CN87100905A (zh) 潜水钻井机的密封和减扭力装置
JPS6220960B2 (en:Method)
CH429486A (fr) Engin nautique comportant au moins un flotteur-hélice
FR2641517A1 (fr) Helice a " effet magnus "
BE414459A (en:Method)
RU2002132015A (ru) Гребной винт регулируемого шага