RD-215
Modules

RD-215

Section Title: Modules
Table Section Text: None

Engine	RD-215	RD-215U	RD-215M

GRAU	8D514	8D514U	8D514M

Development	1958-1960	1960-1961	1966-1968

Propellant	AK-27I (73% nitric acid, 27% N2O4, and iodine passivant) / UMDH

Combustion chamber pressure	7.355 MPa (1,066.8 psi)

Thrust, vacuum	887 kN (199,000 lbf)	887 kN (199,000 lbf)	890 kN (200,000 lbf)

Thrust, sea level	740 kN (170,000 lbf)	740 kN (170,000 lbf)	742.8 kN (167,000 lbf)

Isp, vacuum	289 s (2.83 km/s)	289 s (2.83 km/s)	291.3 s (2.857 km/s)

Isp, sea level	246 s (2.41 km/s)	246 s (2.41 km/s)	248 s (2.43 km/s)

Burn time	146s	N/A	N/A

Length	2,205 mm (86.8 in)	2,205 mm (86.8 in)	2,205 mm (86.8 in)

Diameter	2,260 mm (89 in)	2,260 mm (89 in)	2,260 mm (89 in)

Dry weight	575 kg (1,268 lb)	575 kg (1,268 lb)	570 kg (1,260 lb)

Use	R-14 (8K65), Kosmos-1 and Kosmos-3	R-14U (8K65U)	Kosmos-3M

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