Assertion: glider's engine | /r/CapableOf | turn a 3.5 inches
Facets:
value: under ideal conditions
type: OTHER
Source sentences:
text: Under ideal conditions, the smallest .01 engines can turn a 3.5 inches (8.9 cm) propeller at speeds over 30,000 rpm, while the typical larger (.40-.60 cubic inch) engine will turn at 10–14,000 rpm.