Mayak, Propulsion

Engines Mayak

RD-120K

RD-120

RD-8 (11D513)

Mayak-12

Stage	Engines	Thrust s.l.	Isp s.l.	Thrust vac	Isp vac	Propellant	Burn time	Flow rate	Total Imp
-	-	kN	N*s/kg	kN	N*s/kg	tons	s	t/s	MN*s
1	RD-120K (2)	1,548.8	2922	1,746.3	3295			0.5300
1	11D513 (4)	72.38	3099	78.46	3360			0.0234
2	RD-8 (4)			78.48	3360			0.0234

Mayak-22

Stage	Engines	Thrust s.l.	Isp s.l.	Thrust vac	Isp vac	Propellant	Burn time	Flow rate	Total Imp
-	-	kN	N*s/kg	kN	N*s/kg	tons	s	t/s	MN*s
1	RD-120K (4)	3,097.7	2922	3,492.7	3295			1.0600
1	11D513 (4)	72.38	3099	78.48	3360			0.0234
2	RD-8 (4)			78.48	3360			0.0234

Mayak-23

Stage	Engines	Thrust s.l.	Isp s.l.	Thrust vac	Isp vac	Propellant	Burn time	Flow rate	Total Imp
-	-	kN	N*s/kg	kN	N*s/kg	tons	s	t/s	MN*s
1	RD-120K (4)	3,097.7	2922	3,492.7	3295			1.0600
1	11D513 (4)	72.38	3099	78.48	3360			0.0234
2	RD-120			833.6	3432			0.2429
3	RD-8 (4)			78.48	3360			0.0234