Canard model, middle-motor, outrunner, contrarotating, coaxial ... did I
forget anything? Yes, propellors in duct/shroud.
Patrizio Bronzi strikes again :-)
http://www.rcgroups.com/forums/showthread.php?p=9636670#post9636670
Two more Bronzi pieces of art:
blabla ... mit Verstellprop in shroud
http://www.rcgroups.com/forums/showthread.php?p=3161857#post3161857
http://www.rcgroups.com/forums/showthread.php?p=3166803#post3166803
http://www.metacafe.com/watch/272241/first_flight_of_dna/
http://www.rcgroups.com/forums/showthread.php?p=4538589#post4538589
http://www.esotec.co.nz/hb/HTML/RC_Models_F.html
Variable pitch 'movie'
http://static.rcgroups.com/forums/attachments/3/0/1/8/t633374-56-thumb-variopitch1.gif
Vriendelijke groeten ;) Ron van Sommeren
near Nijmegen, the Netherlands