To complement our range of jet aircraft, we have developed the state-of-the art 90 mm (3 ½ inch) diameter electric ducted fan unit. Manufactured entirely from carbon fibre composite, lighter, stronger and more efficient than injection moulded plastic competitors, our fan unit weighs in at an amazing 50 grammes (the same weight as a standard servo!!). The units come test run and balanced. They are ideal for our Cougar, Me 262 (twin) and ducted fan aircraft in the 4-7 lb weight class. To produce the optimum results , we have developed two motor units matched to this fan: