You'd have to redesign it from scratch - it would be faster. Which is what happened with the SLS engine/launch vehicle. Duplicating the F1 would involve techno

You'd have to redesign it from scratch - it would be faster. Which is what happened with the SLS engine/launch vehicle. Duplicating the F1 would involve technology and knowledge of individual engineers who are dead and corporations that no longer exist. The TACIT knowledge and technologies required to go with the blueprints died with them. https://www.space.com/nasa-saturn-v-and-sls-compared.html https://www.space.com/nasa-saturn-v-and-sls-compared.html https://ourplnt.com/remake-rocketdyne-f-1-engine-humans-moon/ https://ourplnt.com/remake-rocketdyne-f-1-engine-humans-moon... https://www.youtube.com/watch?v=ovD0aLdRUs0 https://www.youtube.com/watch?v=ovD0aLdRUs0