Struggle for much of the day with my diminishing supplies of alloy and a pop-riveter that needs replacing inside the week. I construct and re-construct a couple of variations on the configuration of the two drones around the frame, seemingly unable to pitch the lower set of props where I want them without either adequate protection for either their blades or else the passenger. During the evening though I've a eureka moment: shall add a wholly separate undercarriage module that supports a pair of skids that underpin the lower set of motors and the longitudinal extent of their blades. Have already decided that one way or another for the take-off and landing phase these propellers can be stowed so as to benefit from this form of protection...
