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

[Caravellarella]

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)

 

[toura]

Two more photos

 

[Caravellarella]

Two more photos

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)

 

[Stargazer]

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