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From: Charles Lindbergh <spirit@stlouis.com>
Newsgroups: alt.binaries.pictures.aviation
Subject: Re: Junkers Ju 87 (Stuka) - A Stuka's 'Jericho Trumpet'-1.jpg (0/1)
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Date: Thu, 21 Jul 2016 13:22:39 +0000
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On Thu, 21 Jul 2016 11:14:03 +0200, Rene <dont@bother.com> wrote:
>On Wed, 20 Jul 2016 15:26:39 +0000, Charles Lindbergh
><spirit@stlouis.com> wrote:
>
>>On Wed, 20 Jul 2016 08:55:26 +0200, Rene <dont@bother.com> wrote:
>>
>>>On 12 Jul 2016 08:29:13 -0700, Miloch <Miloch_member@newsguy.com>
>>>wrote:
>>>
>>>>https://en.wikipedia.org/wiki/Junkers_Ju_87
>>>>
>>>>The Junkers Ju 87 or Stuka (from Sturzkampfflugzeug, "dive bomber") was a German
>>>>dive bomber and ground-attack aircraft designed by Hermann Pohlmann and first
>>>>flew in 1935. The Ju 87 made its combat debut in 1937 with the Luftwaffe's
>>>>Condor Legion during the Spanish Civil War. It served the Axis forces in World
>>>>War II.
>>>>
>>>
>>>A beautiful series!
>>>
>>>I am very curious how those psycholochical warfare sirens actually
>>>worked ("Trumpets of Jericho")
>>>I know the were driven by small propellors in the slipstream; I have
>>>seen several photos of these units, but I fail to see how the actual
>>>noise is made.
>>>All I can see is a ram air propeller on a smooth tube without obvious
>>>holes for sound emission.
>>>Does anybody have an exploded view or such of the internals of these
>>>parts?
>>>
>>>Just a curious mind that wants to know how such small devices could
>>>make so much noise!
>>
>>I think this is a better picture.
>>
>>http://static.rcgroups.net/forums/attachments/2/1/3/5/2/4/a4380467-193-Stuka-Siren.jpg
>
>Thanks for the photo! This version has a clear way of operating.
>However, I ave seen many other photos where the "trumpets" look quite
>different..
>
>See also somewhere on
>http://forum.warthunder.com/index.php?/topic/218452-junkers-dive-siren/
The picture I posted cannot be correct, the siren is mounted exactly
where the bomb trapeze would have to go....
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