le - 5 model         le - 5                            le - 5a                   le - 5b               le - 5b - 2
0        operational cycle  gas generator  expander bleed (nozzle / chamber)  expander bleed (chamber)  expander bleed (chamber)
1             rated thrust  102.9 (23100)                      121.5 (27300)             137.2 (30800)             144.9 (32500)
2            mixture ratio            5.5                                  5                         5                         5
3          expansion ratio            140                                130                       110                       110
4   specific impulse (isp)            450                                452                       447                       447
5         chamber pressure     3.65 (529)                         3.98 (577)                3.58 (519)                3.78 (548)
6     lh2 rotational speed          50000                              51000                     52000                     53504
7     lox rotational speed          16000                              17000                     18000                     18560
8                   length    2.68 (8.84)                        2.69 (8.88)               2.79 (9.21)               2.79 (9.21)
9                   weight      255 (562)                          248 (547)                 285 (628)                 290 (639)
10    throttleable down to             no                                 no                       60%                       60%

Table as JSON:
{"le - 5 model":{"0":"operational cycle","1":"rated thrust","2":"mixture ratio","3":"expansion ratio","4":"specific impulse (isp)","5":"chamber pressure","6":"lh2 rotational speed","7":"lox rotational speed","8":"length","9":"weight","10":"throttleable down to"},"le - 5":{"0":"gas generator","1":"102.9 (23100)","2":"5.5","3":"140","4":"450","5":"3.65 (529)","6":"50000","7":"16000","8":"2.68 (8.84)","9":"255 (562)","10":"no"},"le - 5a":{"0":"expander bleed (nozzle \/ chamber)","1":"121.5 (27300)","2":"5","3":"130","4":"452","5":"3.98 (577)","6":"51000","7":"17000","8":"2.69 (8.88)","9":"248 (547)","10":"no"},"le - 5b":{"0":"expander bleed (chamber)","1":"137.2 (30800)","2":"5","3":"110","4":"447","5":"3.58 (519)","6":"52000","7":"18000","8":"2.79 (9.21)","9":"285 (628)","10":"60%"},"le - 5b - 2":{"0":"expander bleed (chamber)","1":"144.9 (32500)","2":"5","3":"110","4":"447","5":"3.78 (548)","6":"53504","7":"18560","8":"2.79 (9.21)","9":"290 (639)","10":"60%"}}