GB159207A - Improvements relating to the construction of helices for helicopters and similar flying machines - Google Patents
Improvements relating to the construction of helices for helicopters and similar flying machinesInfo
- Publication number
- GB159207A GB159207A GB5825/21A GB582521A GB159207A GB 159207 A GB159207 A GB 159207A GB 5825/21 A GB5825/21 A GB 5825/21A GB 582521 A GB582521 A GB 582521A GB 159207 A GB159207 A GB 159207A
- Authority
- GB
- United Kingdom
- Prior art keywords
- helicopters
- helices
- construction
- improvements relating
- flying machines
- 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
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
- B64C27/467—Aerodynamic features
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Control Of Turbines (AREA)
- Adjustment And Processing Of Grains (AREA)
- Earth Drilling (AREA)
Abstract
159,207. Pateras Pescara, Raul, Marquis of. Feb. 21, 1920, [Convention date]. Screw propellers. - Consists in making the blades of screw propellers for use on helicopters with double curvature, and is more particularly applied to biplane-bladed propellers, Fig. 8. Reference has been directed by the Comptroller to Specifications 6649/86, 22019/93, 20770/94, 27662/08, 10098/09, and 27763/13.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES159207X | 1920-02-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB159207A true GB159207A (en) | 1922-05-22 |
Family
ID=8244590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5825/21A Expired GB159207A (en) | 1920-02-21 | 1921-02-21 | Improvements relating to the construction of helices for helicopters and similar flying machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB159207A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2720928A (en) * | 1950-06-30 | 1955-10-18 | Warto Aristides | Aircraft propeller |
DE1025274B (en) * | 1955-01-20 | 1958-02-27 | Sud Aviation | Propeller blades for helicopters |
WO1991000212A1 (en) * | 1989-06-30 | 1991-01-10 | Airflow Research And Manufacturing Corporation | Lightweight airfoil |
US5151014A (en) * | 1989-06-30 | 1992-09-29 | Airflow Research And Manufacturing Corporation | Lightweight airfoil |
-
1921
- 1921-02-21 GB GB5825/21A patent/GB159207A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2720928A (en) * | 1950-06-30 | 1955-10-18 | Warto Aristides | Aircraft propeller |
DE1025274B (en) * | 1955-01-20 | 1958-02-27 | Sud Aviation | Propeller blades for helicopters |
WO1991000212A1 (en) * | 1989-06-30 | 1991-01-10 | Airflow Research And Manufacturing Corporation | Lightweight airfoil |
US5151014A (en) * | 1989-06-30 | 1992-09-29 | Airflow Research And Manufacturing Corporation | Lightweight airfoil |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB159207A (en) | Improvements relating to the construction of helices for helicopters and similar flying machines | |
GB206880A (en) | An improved screw propeller | |
GB159223A (en) | Improvements in steering-devices for helicopters | |
GB241102A (en) | Improvements in aeronautical propulsion | |
GB158072A (en) | Improvements in toy aeroplanes | |
GB145801A (en) | Improvements relating to auto-balancing surfaces of screws or propellers of flying machines of the helicopter type | |
CA196108A (en) | Aeroplane propeller | |
GB505169A (en) | Improvements in or relating to screw propellors | |
AU1099819A (en) | Improvements in or connected with aeroplane fuselages | |
CA204232A (en) | Turbine blade fastener | |
GB668039A (en) | Improvements in or relating to screw propellers | |
ES4711U (en) | Improvements introduced in propulsion propellers (Machine-translation by Google Translate, not legally binding) | |
GB262338A (en) | Improvements in and relating to aerial propellers | |
CA211758A (en) | Aeronautical propeller | |
GB274533A (en) | Improvements in or relating to the propulsion of aerial machines | |
GB173206A (en) | Improvements in aircraft | |
GB217615A (en) | Improvements in and relating to pumps, engines and the like | |
GB206063A (en) | Improvements in and connected with ships' screw propellers | |
CA195939A (en) | Propeller blade adjusting mechanism | |
CA200639A (en) | Balanced ailerons and pivoted controls for aircraft | |
CA227758A (en) | Aeroplane and motor boat | |
AU1510620A (en) | New and improved aeroplane | |
AU806222A (en) | Improvements in or relating to reciprocating engines | |
AU113262B2 (en) | Improvements in or relating to composite propeller blades | |
AU1460420A (en) | Improvements in or relating to screw propellers |