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Trans-sonic propellers?

 
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jaymerich



Joined: 11 Dec 2009
Posts: 20
Location: E28033; Madrid,Spain

PostPosted: Thu Aug 09, 2012 05:47    Post subject: Trans-sonic propellers? Reply with quote

I vaguely remember having read that during WWII, German engineers were convinced that propellers would be useful up to airplane speeds not too much below Mach-1, and also it seems that something like a propeller driven version of an F-86 Sabre fighter was tested in the USA. Am I right? Is there a place to look at for more about the very fast airplane propellers?
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kmccutcheon



Joined: 13 Jul 2003
Posts: 197
Location: Huntsville, Alabama USA

PostPosted: Thu Aug 09, 2012 06:40    Post subject: Re: Trans-sonic propellers? Reply with quote

jaymerich wrote:
...also it seems that something like a propeller driven version of an F-86 Sabre fighter was tested in the USA. Am I right? Is there a place to look at for more about the very fast airplane propellers?


The American aircraft tested with a transonic propeller was a Republic F-84H. Please see
http://en.wikipedia.org/wiki/Republic_XF-84H
and
http://www.youtube.com/watch?v=UFhSzReWTgs

There are also several articles on the Internet that can be located by searching for "transonic propeller".
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Kimble D. McCutcheon
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jaymerich



Joined: 11 Dec 2009
Posts: 20
Location: E28033; Madrid,Spain

PostPosted: Thu Aug 09, 2012 09:35    Post subject: Cutted link Reply with quote

Hi!: I beg your pardon, as I should have had a look by myself for the subject of Trans-sonic propeller in a web browser, it would have yielded enough info for me. Another question: does it make any sense thinking in super-critical profiles for propeller blades, such as the airfoils they started using not long ago in near Mach-1 or near-sonic flying airplanes?
Salud +
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