Thiel LOx/Alcohol rocket engine. Study 1942. Planned for use in A-10. Unique dual-thrust chamber / single nozzle design, which was later shown to be not feasible technically.
AKA: A-10. Status: Study 1942. Thrust: 2,306.80 kN (518,589 lbf). Specific impulse: 247 s. Specific impulse sea level: 210 s. Burn time: 55 s. Diameter: 4.12 m (13.51 ft).