GB227141A - Improvements in detachable blades for airscrews and the like - Google Patents

Improvements in detachable blades for airscrews and the like

Info

Publication number
GB227141A
GB227141A GB1817823A GB1817823A GB227141A GB 227141 A GB227141 A GB 227141A GB 1817823 A GB1817823 A GB 1817823A GB 1817823 A GB1817823 A GB 1817823A GB 227141 A GB227141 A GB 227141A
Authority
GB
United Kingdom
Prior art keywords
blades
faces
hollow metal
alternatively
corrugations
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
GB1817823A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1817823A priority Critical patent/GB227141A/en
Publication of GB227141A publication Critical patent/GB227141A/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)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

227,141. Leitner, H. July 13, 1923. Screw propellers.-Hollow metal screw propeller blades are formed on one or both faces with one or more longitudinal corrugations for preventing distortion during manufacture and for stiffening the blades. The corrugations h in the driving face b, Figs. 1 and 4, of a hollow metal propeller are shaped to fall within the general contour of the section. Towards the root additional stiffening is provided by laminat'ions d, or alternatively taper gauge pla.te is employed. The plates may be stiffened by a nut k, Fig. 6, passing through a tube l and washers m, n. Alternatively a box girder m<1>, Fig. 7, is placed with two sides in contact with the faces and secured thereto by rivets n<1>, or by brazing or welding. Specifications 4068/15, 167,210, and 215,156 are referred to.
GB1817823A 1923-07-13 1923-07-13 Improvements in detachable blades for airscrews and the like Expired GB227141A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1817823A GB227141A (en) 1923-07-13 1923-07-13 Improvements in detachable blades for airscrews and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1817823A GB227141A (en) 1923-07-13 1923-07-13 Improvements in detachable blades for airscrews and the like

Publications (1)

Publication Number Publication Date
GB227141A true GB227141A (en) 1925-01-13

Family

ID=10107982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1817823A Expired GB227141A (en) 1923-07-13 1923-07-13 Improvements in detachable blades for airscrews and the like

Country Status (1)

Country Link
GB (1) GB227141A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428970A (en) * 1943-06-16 1947-10-14 Marquette Metal Products Co Propeller blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428970A (en) * 1943-06-16 1947-10-14 Marquette Metal Products Co Propeller blade

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