GB139839A - Improvements in or relating to means for propelling aircraft - Google Patents
Improvements in or relating to means for propelling aircraftInfo
- Publication number
- GB139839A GB139839A GB2045518A GB2045518A GB139839A GB 139839 A GB139839 A GB 139839A GB 2045518 A GB2045518 A GB 2045518A GB 2045518 A GB2045518 A GB 2045518A GB 139839 A GB139839 A GB 139839A
- Authority
- GB
- United Kingdom
- Prior art keywords
- blades
- stroke
- trips
- blade
- block
- 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
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/006—Paddle wheels
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transmission Devices (AREA)
Abstract
139,839. Simons, F. F. Dec. 9. 1918. Propelling. - The propulsion of aircraft is effected by two pairs of reciprocating vanes or paddles the power strokes of which are alternately performed. The blades are feathered on the return stroke. Fig. 2 shows a plan of the device at the commencement of the return stroke of the forward blades 33, and of the power stroke of the rear blades 33<1>. A wheel 29 driven by a motor on the machine carries a pair of cranks 31 by which connecting-rods 42 are reciprocated, the movement being transmitted to the blades by links 39 pivoted to cross-heads 40. Suitable trips 45, 46 are fitted to the framework and the blades to turn the blades through a right-angle at each end of the stroke. A locking-device to prevent turning during the stroke comprises curved parallel bars 86, Fig. 9, between which a squared block 87 secured to the blade stem is guided. At each end of the guide-frame, an enlarged space 88 is provided, within which the block 87 can turn under the action of the trips. carrying the blade 80 with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2045518A GB139839A (en) | 1918-12-09 | 1918-12-09 | Improvements in or relating to means for propelling aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2045518A GB139839A (en) | 1918-12-09 | 1918-12-09 | Improvements in or relating to means for propelling aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB139839A true GB139839A (en) | 1920-03-09 |
Family
ID=10146228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2045518A Expired GB139839A (en) | 1918-12-09 | 1918-12-09 | Improvements in or relating to means for propelling aircraft |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB139839A (en) |
-
1918
- 1918-12-09 GB GB2045518A patent/GB139839A/en not_active Expired
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