The fourth arm of the cross provided a mounting for a large, plywood fin and rudder, reminiscent of that of the Raoul Hafner's Rotachute that had shaped Bensen's thinking about rotor kite design.
Her father was Raoul Hafner, an Austrian helicopter pioneer, and her mother Eileen Myra McAdam was a descendant of John Loudon McAdam, the road builder.
Raoul Wallenberg | Raoul Dufy | Raoul Cédras | Raoul Walsh | Raoul Josset | Raoul Duke | Raoul Peck | Raoul Hausmann | Raoul Hafner | Raoul | Raoul Ubac | Raoul "Rod" Dedeaux | Raoul Island | Raoul Grimoin-Sanson | Raoul Berger | Raoul Auernheimer | Nuala Hafner | Katie Hafner | Ingrid Hafner | Super Raoul | Raoul Wallenberg Traditional High School | Raoul Wallenberg Institute of Human Rights and Humanitarian Law | Raoul Wallenberg Holocaust Memorial Park | Raoul Van Caenegem | Raoul Schrott | Raoul Ploquin | Raoul Lefèvre | Raoul Kraushaar | Raoul (James Bond) | Raoul I of Lusignan |
Formed in 1934 by James Martin and Captain Valentine Baker, the Martin-Baker company had embarked initially on an unsuccessful two-place low-wing monoplane design known as the MB 1 before completing an autogyro design by Mr. Raoul Hafner tested by Captain Baker at Heston Aerodrome.