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R.A.F: REID AND SIGRIST DESFORD B&W PHOTOGRAPH | eBay
REID AND SIGRIST DESFORD. B&W PHOTOGRAPH.www.ebay.com
Another great find, though I'm having trouble placing a bid on this one. This is from my never-published book in TransAtlantic flight:Breguet XIX " Cuatro Vientos " (4 winds )
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Foto Flugzeug Doppeldecker BREGUET Cuatro Vientos CASA Spanien 1933 | eBay
Entdecken Sie Foto Flugzeug Doppeldecker BREGUET Cuatro Vientos CASA Spanien 1933 in der großen Auswahl bei eBay. Kostenlose Lieferung für viele Artikel!www.ebay.de
That is a new one to me! Good looking A/C, I did not know that "warren Truss" type of interplane bracing was in use that early. Thanks for posting it.Letov S-1
Actually , it's the Šmolík-Adamec (Š.A.) prototype.
Letov Š-2
Československé letouny Letov Š-1 a Š-2 byly prvními vojenskými stroji zkonstruovanými a sériově vyráběnými v nově vzniklé republice. Těmito konstrukcemi se naše letectvo vymanilo ze závislosti na nákupu drahé letecké techniky ze zahraničí. Prototyp tohoto letounu vznikl v r. 1919 podle projektu...www.vhu.cz
Thank you.Czech sources say that the Letov name was introduced in 1926 and wasn't the factory call actually. It was the trade mark at that time. The name was started to be used after the WW2. The prototype made in 1919/20 was marked as the Šmolík-Adamec , the abbreviation Š.A. Therefore the two letters on the rudder. All of them were called Šmolík initially. When the series of the plane was ordered, the Czechoslovakian Ministry of National Defense called them Šm 1 and Šm 2 depending on the engine. But the Air Forces called: the Šm-1 as Š-H-1 for these powered by the Hiero engine and Šm-2 as Š-M-1 powered by the Maybach engine. Because the Aero factory made them under the licence and these were powered by the Maybach engine as well , they got the name Š-M-2. In 1923 it was introduced a new simplified marking: Š-1 for these with the Hiero engines and Š-2 for all these with the Maybach ones. After the WW2 the Letov name was added to the plane marking and it resulted in the Letov Š-1 or Letov Š-2 names used today.
In other words ...
Šm 1 → Š-H-1 → Š-1 ( Military Aircraft Factory ) → Letov Š-1
Šm 2 → Š-M-1 → Š-2 ( Military Aircraft Factory ) → Letov Š-2
Šm 2 → Š-M-2 → Š-2 ( Aero factory ) ....................... → Letov Š-2