> It has a greater ratio of thrust to weight than any previous engine. SSME thrust-to-weight ratio: 73.1 https://en.wikipedia.org/wiki/Space_Shuttle_Main_Engin

> It has a greater ratio of thrust to weight than any previous engine. SSME thrust-to-weight ratio: 73.1 https://en.wikipedia.org/wiki/Space_Shuttle_Main_Engine https://en.wikipedia.org/wiki/Space_Shuttle_Main_Engine NK-33 thrust-to-weight ratio: 137 https://en.wikipedia.org/wiki/NK-33 https://en.wikipedia.org/wiki/NK-33 (no gimbaling) RD-270 thrust-to-weight ratio: 189.91 https://en.wikipedia.org/wiki/RD-270 https://en.wikipedia.org/wiki/RD-270