Unlike most hypersonic aircraft with an engine at the belly, the Two Stage Vehicle (TSV) X-plane proposed by Ming Han Tang – then chief engineer of Nasa’s hypersonic programme in the late 1990s – was driven by two separate engines on the sides.
>Unlike most hypersonic aircraft with an engine at the belly, the Two Stage Vehicle (TSV) X-plane proposed by **Ming Han Tang – then chief engineer of Nasa’s hypersonic programme in the late 1990s** – was driven by two separate engines on the sides.
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