Walter HWK turbopump
Ignition sequence
STAGE 3 (HAUPTSTUFE): Full 550 HP turbine output (3,800 RPM)! Pumps deliver 125 kg/sec at 2.4 MPa (24 bar) for 25.4 tonnes liftoff thrust.
Live telemetry
RPM Fuel MPa LOX MPa
Turbine
3,800 RPM
550 HP (405 kW)
Pump outlet
2.42 MPa
24.2 bar (350 psi)
Steam generator
420 °C
H₂O₂ + Z-Stoff 2.1 kg/s
Mass flow
125.0 kg/s
56 fuel + 69 LOX
V-2 Engineering Lab · simplified teaching models, figures rounded