https://www.ecalc.ch/xcoptercalc.php?ecalc&lang=en&cooling=medium&rotornumber=6&config=flat&frame=900&weight=5000&calc=auw&elevation=500&airtemp=25&qnh=1013&batteries=lipo_10000mah_-_65/100c&chargestate=6&s=6&p=1&esc=max_30a&motor=sunnysky&type=63%7Cx4110s-26%C2%B2&gear=1&propeller=t-motor_cf&diameter=15&pitch=5.5&blades=2
https://www.ecalc.ch/xcoptercalc.php?ecalc&lang=en&cooling=medium&rotornumber=6&config=flat&frame=900&weight=5000&calc=auw&elevation=500&airtemp=25&qnh=1013&batteries=lipo_10000mah_-_65/100c&chargestate=6&s=6&p=1&esc=max_30a&motor=sunnysky&type=63%7Cx4110s-26%C2%B2&gear=1&propeller=t-motor_cf&diameter=15&pitch=5.5&blades=2