RD-0228

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RD-0228

RD-0228
Credit: KBKhA

Kosberg N2O4/UDMH rocket engine. R-36M / RS-20A (SS-18 mod-1) stage 2. Out of Production. Comprises single-chamber main engine RD-0229 plus four-chamber steering engine RD-0230. Further developed to RD-0255.

Status: Out of Production. Date: 1967-75. Thrust: 755.00 kN (169,730 lbf).

Chambers: 1 + 4.

Subtopics

RD-0229 Kosberg N2O4/UDMH rocket engine. R-36M / RS-20A (SS-18 mod-1) stage 2. Out of Production. Main engine. Staged combustion cycle. Used on Ikar launch vehicle. First flight 1974.

RD-0255 Kosberg N2O4/UDMH rocket engine. R-36M2 / RS-20V (SS-18 Mod-4) stage 2. Comprises of single-chamber main engine RD-0256 plus four-chamber steering engines RD-0257. Development based on RD-0228 with thrust increase by 11%. First flight 1986.

RD-0256-HC Kosberg LOx/Kerosene rocket engine. Design concept 1996-. Proposed variant of RD-0256 engine using LOX-kerosene instead of N2O4/UDMH as propellants.

RD-0256-Methane Kosberg LOx/LCH4 rocket engine. Design concept 1996-. Proposed variant of RD-0256 engine using LOX-liquid methane instead of N2O4/UDMH as propellants.

RD-0229M Kosberg LOx/LNG rocket engine. Vozdushnyy Start stage 1. Developed 1997. Derivative of RD-0229 for the propellants LOX and liquid natural gas (methane). Initial candidate for stage 1 propulsion of Vozdushnyy Start project by Kompomash.

Family: Storable liquid. Country: Russia. Launch Vehicles: Ikar. Propellants: N2O4/UDMH. Stages: R-36M-2. Agency: Kosberg bureau. Bibliography: 330, 342.

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