> the only methane-based engine that ever reached space. TQ-12 that is used by Zhuque-2 reached orbit first. Of course Raptor is much better, as TQ-12 is a sim

> the only methane-based engine that ever reached space. TQ-12 that is used by Zhuque-2 reached orbit first. Of course Raptor is much better, as TQ-12 is a simple gas generator engine