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Old 18-12-2009, 05:34   #31
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Originally Posted by Lodesman View Post
Are you talking about Kort nozzles? They are used to vector the thrust in a specific direction ...
A Kort nozzle is simply a shrouded, or ducted propeller assembly; which may be either fixed with rudder, or vectored (pivoting) steering.
Kort’s breakthrough (1930s) was to shape the shroud like an aerofoil rather than a simple ring.
Kort Propulsion Co Ltd

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