Power 46 from Eflite 670kv 800 watts . I would propably run this on 4s with around the 14x7
Hacker A40-14S 530 kv 800 watts on 5S with around a 14x7 prop
As mentioned get a in line watt meter for prop testing.
You will need a 70 amp or up esc
Also do not put to big of a battery in it thinking of long flight times. It may fly longer but heavy pigs are not fun to fly, so keep it light and have fun.