Assertion: engine | /r/CapableOf | drive propeller
Facets:
value: to recharge the tank
type: PURPOSE
Source sentences:
text: Even before the start of World War II, engineers were beginning to realize that engines driving propellers were approaching limits due to issues related to propeller efficiency, which declined as blade tips approached the speed of sound.
text: The engine, once running, drives the compressor to recharge the tank.