for both vehicles a common payload weight will be 200 lb (90 kg). a helicopter gearbox power density is assumed to be 6.3 kw/kg. both configuration will assume 15 kg for avionics components and 15 kg for a crash rated seat. electrical actuators will take 0.65 kg each (8 units for helicopter and 12 units for tilt-wing). additionally, the tilt-wing has two actuators (4 kg each). an additional 10% is for fittings and miscellaneous hardware.