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Re: Junkers Ju 87 (Stuka) XS News
Rene (dont@bother.com) 2016/07/21 03:20

From: Rene <dont@bother.com>
Newsgroups: alt.binaries.pictures.aviation
Subject: Re: Junkers Ju 87 (Stuka)
Date: Thu, 21 Jul 2016 11:20:38 +0200
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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

In case my included photo does not work:
http://origin-images.rcuniverse.com/forum/upfiles/26512/Lj22042.jpg

No sound emitting holes!

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