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Post Info TOPIC: Landgraf models


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Landgraf models
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Landgraf Model H-2 - Single-seat twin-rotor helicopter
Landgraf Model H-3 - Three-seat version of H-2
Landgraf Model H-4 - 5/8-passenger version of H-2


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Here I have a scan from "American Helicopter" magazine, December 1945, page 19, about the Landgraf Model H-2. I had to upload to Imageshack for a better resolution.





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Firth FH-1 (FH-01/4) (G-ALXP) - Twin-rotor helicopter using a Planet Satellite fuselage. It was based on patents by Landgraf and would have accommodated roughly the same number of passengers as the H-3. It was presented to the College of Aeronautics at Cranfield in 1955. Development ceased due to technical problems with excessive weight on the rotors and limited financial resources to investigate solutions.

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