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Patent: Model Airplane Propeller
RCL#1152

Patent: Model Airplane Propeller - cover thumbnail  

"A further object of the invention is to provide a simplified starting means for the motor of the aircraft, this starting means being in the form of a hub nose around which a string or cord may be wound for several turns."

Patent: Model Airplane Propeller
US No. 2,535,527
Archiebald S. Barkley
December  1950
Patent, 4 pages

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About this title

Application for patent filed August 15 1946; patent granted December 26 1950.

"This invention relates to propellers for model powered aircraft and has for its object to provide a propeller of excellent efficiency which can be readily balanced, which can be produced very economically, which lends itself to accurate mass production and which will be so sturdily assembled that there will be no danger of disassembly or disintegration in operation."


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Page scan thumbnails:

Patent: Model Airplane Propeller - page scan thumbnails 

 

Download file details:

Patent: Model Airplane Propeller
Submission date: 12/01/2016
A backup copy has been saved as:
TitleID: 1152 | Filesize: 375KB
Credit*: Pit
Format: PDF
For available downloads held on the RCLibrary server, see the download page


Supplementary image:

Supplementary image 003.jpg

User comments:

Saw the Barkley patent you posted on RClibrary and thought you might like a pic of the actual item [see image above].
Richard - 18/01/2016
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