GB191002203A - Improvements in Flying Machines. - Google Patents
Improvements in Flying Machines.Info
- Publication number
- GB191002203A GB191002203A GB191002203DA GB191002203A GB 191002203 A GB191002203 A GB 191002203A GB 191002203D A GB191002203D A GB 191002203DA GB 191002203 A GB191002203 A GB 191002203A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bars
- bird
- cloth
- screws
- series
- 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
- 239000004744 fabric Substances 0.000 abstract 2
- 241000239290 Araneae Species 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/20—Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
Abstract
2203. Hall, H. W. Jan. 28. Screw propellers.-The lifting-screws of an helicopter aerial machine are mounted on rotating shafts 9 and comprise a series of elements of arched or bird-wing form in the direction of rotation mounted in series on a spiral between inner and outer cylindrical frames 3, 6 connected by spiders 7, 8 and stiffened by wires 10. Each element is constructed of two radial bars 18, 19, Fig. 3, connected by end bars 20, 21 and intermediate bars 22, the whole being covered above and below with cloth. The angle made by the internal end bar 21 is greater than that made by the outer end bar 20. as shown in Figs. 7-10, in which Figs. 7 and 8 show the outer and inner end bars of arched form and Figs. 9 and 10 the bars of bird-wing form. To prevent cavitation action of the screws, that part of their peripheries situated underneath the elements is covered with cloth.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191002203T | 1910-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191002203A true GB191002203A (en) | 1910-07-21 |
Family
ID=32560111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191002203D Expired GB191002203A (en) | 1910-01-28 | 1910-01-28 | Improvements in Flying Machines. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB191002203A (en) |
-
1910
- 1910-01-28 GB GB191002203D patent/GB191002203A/en not_active Expired
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