Decision: Phoenix can weigh up to 1.5kg
Props: 7x4.5” - https://www.hqprop.com/https-hq-macroquad-prop-7x45cw-black-glass-fiber-nylon-p0335.html , https://www.hqprop.com/https-hq-macroquad-prop-7x45ccw-black-glass-fiber-nylon-p0334.html
Battery: need to check the bay, but this is an optional battery if we do not have a suitable one - https://www.bladehelis.com/product/11.1v-3000mah-3s-30c-lipo-battery-ec3/EFLB30003S30.html
Link to calculations with flight time and comparisons to other motors: WARG Pheonix Motor Calculations
Why these motors?
This motor and prop combination will allow the drone to be as small as possible while still maintaining at least 5 minute flight time (~6min). This combination can support up to 1500g of lift and needs a 3S battery with at least 3000mAh