YF-100
…0.30% of thrust and 0.79% of isp while the O/F ratio is increased by 0.12%. YF-100K: an uprated version of YF-100 used on the first stage cores of the Long March 12 and Long March 10. YF-100M: similar to the YF-100K but optimized for vacuum operation; a pair of YF-100M's will be used on the second stage of the Long…