<page_title> Power-to-weight ratio </page_title> <section_title> Heat engines and heat pumps </section_title> <table> <cell> PWR RS-24 (SSME) Block I H2 Brayton turbopump <col_header> Heat Engine/Heat pump type </col_header> <col_header> SI </col_header> </cell> <cell> 72,000 hp <col_header> Peak Power Output </col_header> <col_header> SI </col_header> </cell> <cell> 153 kW/kg <col_header> Power-to-weight ratio </col_header> <col_header> English </col_header> </cell> <cell> 93 hp/lb <col_header> Power-to-weight ratio </col_header> </cell> </table>
The turbopump produces 72,000 hp (53.6 MW) for a power-to-weight ratio of 153 kW/kg (93 hp/lb).