Механизмы приводов , схемы , идеи , всё здесь .
http://www.google.com/patents/US3792827?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q=Aircraft%20with%20retractable%20rotor%20wing&f=false
http://www.google.com/patents/US5836541?printsec=description&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q&f=false
http://www.google.com/patents/US3794273?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q=Aircraft%20with%20retractable%20rotor%20wing&f=false
http://www.google.com/patents/US3370809?printsec=description&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q=Aircraft%20with%20retractable%20rotor%20wing&f=false
http://www.google.com/patents/US3327969?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q&f=false
http://www.google.com/patents/US5405104?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q&f=false
http://www.google.com/patents/US3146970?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q&f=false
http://www.google.com/patents/US3025022?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q&f=false
http://www.google.com/search?q=Aircraft+with+retractable+rotor+wing&hl=en&tbo=1&tbm=pts&ei=b5g1T8DRCMqQ-wbBtKyPAg&start=0&sa=N
С таким альбомчиком любого инвестора обуть - как два пальца ...
http://www.google.com/patents/US3792827?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q=Aircraft%20with%20retractable%20rotor%20wing&f=false
http://www.google.com/patents/US5836541?printsec=description&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q&f=false
http://www.google.com/patents/US3794273?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q=Aircraft%20with%20retractable%20rotor%20wing&f=false
http://www.google.com/patents/US3370809?printsec=description&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q=Aircraft%20with%20retractable%20rotor%20wing&f=false
http://www.google.com/patents/US3327969?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q&f=false
http://www.google.com/patents/US5405104?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q&f=false
http://www.google.com/patents/US3146970?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q&f=false
http://www.google.com/patents/US3025022?printsec=drawing&dq=Aircraft+with+retractable+rotor+wing#v=onepage&q&f=false
http://www.google.com/search?q=Aircraft+with+retractable+rotor+wing&hl=en&tbo=1&tbm=pts&ei=b5g1T8DRCMqQ-wbBtKyPAg&start=0&sa=N
С таким альбомчиком любого инвестора обуть - как два пальца ...