When building a model rocket, it can be fun to get into the maths of it all—calculating the expected performance of your build, and then seeing how it measures up in the real world. To aid in that ...
Winter, Frank H. 1999. "The Influence of the von Opel-Valier Experiments Upon German Rocket Propelled Model Aircraft Development, 1920's–1930's." Journal of the British Interplanetary Society, 52, (7) ...
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