GB790876A - Improvements in or relating to helicopter rotor blades, method of and means for manufacturing same - Google Patents

Improvements in or relating to helicopter rotor blades, method of and means for manufacturing same

Info

Publication number
GB790876A
GB790876A GB1895/56A GB189556A GB790876A GB 790876 A GB790876 A GB 790876A GB 1895/56 A GB1895/56 A GB 1895/56A GB 189556 A GB189556 A GB 189556A GB 790876 A GB790876 A GB 790876A
Authority
GB
United Kingdom
Prior art keywords
mould
skin
sheet
rotor blades
nationale
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
GB1895/56A
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.)
Sud Aviation Societe Nationale de Constructions Aerdnaettiques
Original Assignee
Sud Aviation Societe Nationale de Constructions Aerdnaettiques
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 Sud Aviation Societe Nationale de Constructions Aerdnaettiques filed Critical Sud Aviation Societe Nationale de Constructions Aerdnaettiques
Publication of GB790876A publication Critical patent/GB790876A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/78—Making other particular articles propeller blades; turbine blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/008—Rotors tracking or balancing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

790,876. Making helicopter rotor blades. SUD-EST-AVIATION, SOC. NATIONALE DE CONSTRUCTIONS AERONAUTIQUES, (formerly SOC. NATIONALE DE CONSTRUCTIONS AERONAUTIQUES DU SUD-EST]. Jan. 19, 1956 [Jan. 20, 1955], No. 1895/56. Class 87(2). [Also in Group XXXIII] A rotor blade for a helicopter, comprising a solid light alloy leading edge member 2, a trailing portion 71 of expanded plastic material and an enclosing skin 4 of light alloy, is assembled in a mould consisting of shaped plastic elements 53 and 54 hinged at 55 and reinforced by elements 56 and 57 and having a tubber sheet 59 glued to their inner surfaces, a portion 60 of the sheet being held taut out of contact with such surfaces. .Brackets 61 and 62 and swing- bolts 63 are provided for closing the mould. The partly preformed skin 4, previously coated with glue, is placed on the portion 60 of the rubber sheet with the leading edge member 2 within it, The members 53, 54 are then brought close to the position shown in Fig. 13 and rods 70 inserted to force the member 2 to the bottom of the mould. The plastic material is then inserted into the mould and when it begins to swell the swing-bolts 63 are tightened to ensure an adequate bond with the faces of member 2 and skin 4. Specification 759,460 is referred to.
GB1895/56A 1955-01-20 1956-01-19 Improvements in or relating to helicopter rotor blades, method of and means for manufacturing same Expired GB790876A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR790876X 1955-01-20

Publications (1)

Publication Number Publication Date
GB790876A true GB790876A (en) 1958-02-19

Family

ID=9224059

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1895/56A Expired GB790876A (en) 1955-01-20 1956-01-19 Improvements in or relating to helicopter rotor blades, method of and means for manufacturing same

Country Status (1)

Country Link
GB (1) GB790876A (en)

Similar Documents

Publication Publication Date Title
GB1060422A (en) Method of forming rotor blades
ATE210042T1 (en) ADAPTIVE PNEUMATIC WING FOR FIXED-WING AIRCRAFT
DE69020537D1 (en) FLAP AND Aileron System of a wing for a convertible aircraft.
SE8204424D0 (en) AIRFOIL BLADE
GB1300661A (en) Improvements in or relating to propeller or fan shrouds
GB790876A (en) Improvements in or relating to helicopter rotor blades, method of and means for manufacturing same
US2058265A (en) Model of airplane
GB1535391A (en) Helicopter rotors
US3653151A (en) Airfoil structure
SU736736A1 (en) Device for simulating atmospheric gust in wind tunnel
FR2236725A1 (en) Mfg. process for helicopter blades - involves using inflatable bladders to correctly position sections in mould
GB756673A (en) An improved structure of aerofoil shape for use in aircraft
GB863115A (en) Improvements relating to aerofoils or sheet material impregnated with a synthetic resin and to methods of making such aerofoils
GB904064A (en) Improvements in or relating to structures of aerofoil shape
JPS5935277Y2 (en) model airplane
IT7921057A0 (en) RUDDER FOR THE AERODYNAMIC GENERATION OF MOMENTS ON AIRPLANES.
King Theoretical and experimental investigations into helicopter air resonance
GB869655A (en) An improved structure of aerofoil shape for use in aircraft
MORRIS et al. Aerodynamic characteristics of a fixed arrow-wing supersonic cruise aircraft at Mach numbers of 2. 30, 2. 70, and 2. 95(Langley Unitary Plan wind tunnel tests)
GB778681A (en) Improvements in or relating to aerofoils
GB639337A (en) Improvements in blade construction for aircraft sustaining rotors
FR2262541A1 (en) Boomerang of laminated timber - straight edges between curved node asymmetrical blade lengths rounded leading edge
BUTLER et al. Low-speed wing-tunnel tests on a delta-wing aircraft model/S. R./77/, with blowing over the trailing-edge flaps and ailerons(Low speed wind tunnel stability tests on delta wing aircraft model with blowing over trailing edge flaps and ailerons)
LEFRANCQ et al. A complete method for computation of blade mode characteristics and responses in forward flight
Voogt et al. Advanced aerodynamic wing design for commercial transports- review of a technology program in the Netherlands.