Evo jedan fin kalkulator za multicoptere, poslužit će sigurno (pijemo)
http://www.ecalc.ch/xcoptercalc_e.htm?ecalc (http://www.ecalc.ch/xcoptercalc_e.htm?ecalc)
(http://img600.imageshack.us/img600/4777/screenshot20110731at114.png) (http://www.ecalc.ch/xcoptercalc_e.htm?ecalc/)