the.com/turbopump
the heart of a rocket, spinning fast enough to drain a swimming pool in seconds
means A turbopump is a high-speed pump driven by a turbine, used to force fuel and oxidizer into a rocket engine's combustion chamber at enormous pressure.
from A plain compound of "turbo" and "pump." "Turbo" comes from the Latin turbo, meaning a spinning top or whirl — the same root behind "turbine" and "turbulence," all sharing the idea of something whirling. "Pump" is older and murkier, likely echoing the sucking, thumping sound of the action, and related to Dutch and German words for the same device. The pairing is a 20th-century engineering term, born with liquid-fueled rocketry, when someone needed a word for a pump spun by a turbine.
- Fuel rate
- Some move tons of propellant per second
- Spin speed
- Can exceed 30,000 RPM
- Power output
- SSME pump rivaled 70,000 horsepower
- Cold and hot
- Pumps cryogenic fuel beside white-hot turbines
- Tiny giant
- Lawnmower-sized, yet powers Saturn V's roar
space shuttle main engine — nasa's ssme turbopump rotated at 37,000 rpm and operated for 8.5 minutes per flight
saturn v f-1 engine — apollo moon rocket's f-1 turbopump ran at 16,500 rpm, powering five engines with 7.5 million pounds of thrust
spacex raptor engine — starship's raptor turbopump operates at extreme pressure and temperature, enabling full-flow staged combustion