GB191017653A - Improvements in the Methods of and Means for Controlling the Flight of Helicopters. - Google Patents
Improvements in the Methods of and Means for Controlling the Flight of Helicopters.Info
- Publication number
- GB191017653A GB191017653A GB191017653DA GB191017653A GB 191017653 A GB191017653 A GB 191017653A GB 191017653D A GB191017653D A GB 191017653DA GB 191017653 A GB191017653 A GB 191017653A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screws
- shaft
- pilot
- carried
- helicopters
- 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
- B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
- B64C27/28—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft with forward-propulsion propellers pivotable to act as lifting rotors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
Abstract
17,653. Smith, M. H., and PhilaÙrian, Ltd. July 25. Propelling; steering. - Helicopters are provided with screws which are tilted by means of pilot screws or planes which act on the air as a fulcrum. Also screws, tilting or fixed, are arranged to give automatic stability. In one form, Fig. II, the car A is suspended from a cross-shaft B at the ends of which are normally vertical shafts C carrying upper and lower propellers D. A pilot screw E is carried by a universal joint F from the top of the shaft C, and can be tilted, as shown, to draw the shaft C from a vertical to an inclined position. Instead of the screw E, one of the propellers D may be inclined, the shaft C being in two parts. Where only two screws are required, they are carried by a thimble H mounted on a ball joint, Fig. VI, the screws being driven in opposite directions. Single screws may be used carried by a cradle L, Fig. VIII, turning about the centre of suspension B. To ensure automatic stability, four sets of screws are employed, Fig. X, with axes inclined towards a point above the centroid of the machine. One or four pilot screws could be used with this arrangement.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191017653T | 1910-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191017653A true GB191017653A (en) | 1911-05-04 |
Family
ID=32563121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191017653D Expired GB191017653A (en) | 1910-07-25 | 1910-07-25 | Improvements in the Methods of and Means for Controlling the Flight of Helicopters. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB191017653A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006032900A1 (en) * | 2004-09-23 | 2006-03-30 | Torque & Tilt Ltd | Rotorcraft |
| GB2419122A (en) * | 2004-10-05 | 2006-04-19 | Alexander Stuart Hardy | Vertical take-off and landing aircraft |
| EP3369652A1 (en) * | 2017-03-02 | 2018-09-05 | Bell Helicopter Textron Inc. | Tiltrotor aircraft having optimized hover capabilities |
-
1910
- 1910-07-25 GB GB191017653D patent/GB191017653A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006032900A1 (en) * | 2004-09-23 | 2006-03-30 | Torque & Tilt Ltd | Rotorcraft |
| GB2419122A (en) * | 2004-10-05 | 2006-04-19 | Alexander Stuart Hardy | Vertical take-off and landing aircraft |
| EP3369652A1 (en) * | 2017-03-02 | 2018-09-05 | Bell Helicopter Textron Inc. | Tiltrotor aircraft having optimized hover capabilities |
| US10421540B1 (en) | 2017-03-02 | 2019-09-24 | Bell Textron Inc. | Tiltrotor aircraft having optimized hover capabilities |
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