Instituto de Pesquisas e Desenvolvimento BF-1 Beija-Flôr helicopter prototype...

Caravellarella

Caravellarella

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Dear Boys and Girls, here is an article in French about the Instituto de Pesquisas e Desenvolvimento (IPD) BF-1 Beija-Flôr (Hummingbird) helicopter prototype which was designed by Heinrich Focke and was the first Brazilian helicopter……

The article comes from the 1st August 1959 issue of Les Ailes......

Terry (Caravellarella)
 

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  • Instituto de Pesquisas e Desenvolvimento BF-1 Beija-Flôr helicopter prototype - Les Ailes - No.jpg
    Instituto de Pesquisas e Desenvolvimento BF-1 Beija-Flôr helicopter prototype - Les Ailes - No.jpg
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Two more photos
 

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  • Scan.jpg
    Scan.jpg
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toura said:
Two more photos
Click to expand...

Thank you Toura; an excellent picture of the "crazy" intermeshing twin tail rotor arrangement......

I've tried to clean-up the 3-view drawing......

Terry (Caravellarella)
 
A profile view of the Beija-Flôr 1 from RAF Flying Review in 1960:
 

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  • C.T.A. Beija-Flor 1.gif
    C.T.A. Beija-Flor 1.gif
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