A4_9 Water-Propelled Jetpacks

John Coxon, Joshua Barker, Thomas Conlon


Theoretically it would be possible to create a jetpack that used water as a primary propulsion method. This paper looks at the physics behind such a proposition, by deriving a relationship between the mass of the water required m and the time spent airborne t. The masses of water involved are analysed for practicability, and it is found that 99.0 kg of water is required per second of flight, which is concluded to be an unfeasibly large amount.

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