Jason McDowell - Which of these obscure ducted-fan aircraft types is your favorite? While all are cool looking, none have yet provided a net benefit that surpasses the drawbacks inherent in the
E-Fan Electric Aircraft - Aerospace Technology
DaMohony EDF 70mm 12-Blade Ducted Fan with RC Brushless Motor (2240g Thrust) for EDF 6S RC Jet Airplane : Amazon.co.uk: Sports & Outdoors
Ducted Fan Airplane - Gallery - McNeel Forum
Designing a Ducted Fan, February 1971 American Aircraft Modeler - Airplanes and Rockets