P2_4 Up, Up in the Atmosphere

James Blake, Melissa McHugh, Andrew West, Rosanna Hall


This paper is an investigation into the physical feasibility of Mary Poppins flying away using the lift generated on her umbrella from a natural wind source. The best case scenario used was adapted from the film such that the umbrella’s dimensions were greater and there was no drag force. A vertical wind speed of 37mph or a wind speed of 118mph at an inclination of 18.3°  would be required to lift a 60kg Mary Poppins off the ground. Taking into account that the pressure exerted would most likely destroy normal umbrellas, it was determined that materials with a greater tensile strength such as aluminium and polyester would be required to withstand the force of the wind.

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