4 ms·
> The RD-170 actually produced more thrust than the F-1, but since it barely ever flew, I figured it wasn’t as relevant in this line up, figured it’s better to
by avmich 7y ago
> The RD-170 actually produced more thrust than the F-1, but since it barely ever flew, I figured it wasn’t as relevant in this line up, figured it’s better to go with engines that have actually been used, a lot!
Wikipedia lists some 84 launches - including a dozen of failures - of Zenit, which uses RD-171 on the first stage - the near-twin of RD-170. That's a lot of launches.
- francislavoie 7y agoThat was pointed out to him here: https://www.reddit.com/r/spacex/comments/bsy6rp/a_deep_rundown_on_the_raptor_engine_explaining/eosasto/?context=8&depth=9 https://www.reddit.com/r/spacex/comments/bsy6rp/a_deep_rundo...