Vectored Thrust Ducted Propeller
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Ikarus is a 3dprinted, electric ducted fan (edf) "rocket" that takes off and lands vertically, sort of like the falcon 9 first stage.
Overview of vectored thrust ducted propeller compound helicopters and x49a flight testing. An interesting helicopter for the us air force navy and army piasecki x49 "speedhawk" is a fourbladed, twinengined, experimental compound u. To back this project on kickstarter, follow link.
The piasecki x49 "speedhawk" is an american fourbladed, twinengined experimental highspeed compound helicopter under development by aircraft. Based on 90mm edf, t.
