GB127582A - Method of Constructing the Pressure Surface on Ship Propeller Blades. - Google Patents

Method of Constructing the Pressure Surface on Ship Propeller Blades.

Info

Publication number
GB127582A
GB127582A GB13347/19A GB1334719A GB127582A GB 127582 A GB127582 A GB 127582A GB 13347/19 A GB13347/19 A GB 13347/19A GB 1334719 A GB1334719 A GB 1334719A GB 127582 A GB127582 A GB 127582A
Authority
GB
United Kingdom
Prior art keywords
angle
constructing
pressure surface
propeller blades
ship propeller
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
GB13347/19A
Inventor
Hans Georg Garde
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
Publication of GB127582A publication Critical patent/GB127582A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/26—Blades

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

127,582. Garde, H. G. May 27, 1918, [Convention date]. Screw propellers.-The pressure surfaces of ships' propellers are formed with an arched surface, each separate section of which is part of a circle or a parabola constructed to the slip angle in the manner known from the construction of the supporting-surface of aeroplanes. In the Figure # is the slip angle and a the angle of pitch of the blade element I. A curved surface forming part of a circle or parabola is formed on the chord DOC from formula based on the angle of incidence of the supporting-surfaces of aeroplanes, the angle of incidence being so chosen as to equal the slip angle #.
GB13347/19A 1918-05-27 1919-05-27 Method of Constructing the Pressure Surface on Ship Propeller Blades. Expired GB127582A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK127582X 1918-05-27

Publications (1)

Publication Number Publication Date
GB127582A true GB127582A (en) 1920-06-24

Family

ID=32668590

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13347/19A Expired GB127582A (en) 1918-05-27 1919-05-27 Method of Constructing the Pressure Surface on Ship Propeller Blades.

Country Status (1)

Country Link
GB (1) GB127582A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168235A (en) * 1958-12-12 1965-02-02 Lyonnaise Ventilation Helicoidal fans

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168235A (en) * 1958-12-12 1965-02-02 Lyonnaise Ventilation Helicoidal fans

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