Definition of ullage rocket in English:
An auxiliary rocket engine used in weightless conditions to provide sufficient acceleration to maintain the flow of liquid propellant from the fuel tank.
- At T + 60: 50 min one of 4 solid ullage rockets in 4th stage did not fire causing the stage to tumble.
- There are two jettisonable ullage rockets for propellant settling before engine ignition.
- This kit includes four integrally molded ullage rockets for Apollos 8 through 14, but they are positioned incorrectly.
Definition of ullage rocket in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia