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NASA lights humongous rocket that goes nowhere ... until 2019

Zmodem

here are the basic's https://forums.theregister.co.uk/forum/1/2017/07/15/supersonic_shock_waves/#c_3243987

to work out your lbs of thrust, you press your thruster up to some kitchen scales if you make a dodgy scale model, or a big hydraulic press like for weighing trucks, and only do a single pulse

you will easily be able to lift a whole pack of A4 paper with 200 watts

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