Jacobs 104 Convertiplane

Stargazer2006

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hesham said:
the Jacobs 104 was unconventional helicopter project

A whole webpage is devoted to the Jacobs 104 Convertiplane on Prototypes.com, Jean-Philippe Colliat's excellent website:
http://xplanes.free.fr/omni/omni-4.html

jacobs_model_01.jpg


You can learn there that the project was cancelled during initial flight testing of the prototype. It is not known if the aircraft actually transitioned in flight. The program's assets were purchased by Vanguard and some mechanical elements such as the rotors and transmission were incorporated into their Omniplane prototype.
 

hesham

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hesham said:
Hi,

the Jacobs 104 was unconventional helicopter project and may it was
submitted to convertiplane competition;http://www.secretprojects.co.uk/forum/index.php/topic,636.0.html

http://www.flightglobal.com/PDFArchive/View/1953/1953%20-%200113.html

Hi,

may be this convertiplane was involved in McDonnell XV-1 competition;

http://www.secretprojects.co.uk/forum/index.php/topic,636.0.html
 

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From a patent,the Jacobs 104 drawing.
 

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hesham

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Page 175;

http://kulturserver-nds.de/home/hubtest/medien/Neg.Nr.GUN.pdf
 

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A little more info.
 

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hesham

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Hi,

an Info needs a confirm,there was a Project proceeded this ,called Jacobs 103,maybe
also a convertiplane ?.
 

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