eVTOL mass variation with powertrain configurations and energy mix: to gear or not to gear
This article provides key insights in motorization design choice for electric vehicles. As an emerging technology, EVs come with direct drive or geared configurations. As an even younger technology in the aerospace field, propulsive electric motorization is a key enabler to a closer to zero carbon economy. This technical article provides break-even points and knowledge on why and when using a high speed strategy and compares 2 very different energy mixes: Hybrid-electric and All-electric. The presented technique allows to save powertrain mass, and help proliferation of these technologies.
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