Assertion: glider's speed | /r/CapableOf | fly for given conditions
Facets:
Source sentences:
text: Gliders' variometers are sometimes fitted with mechanical devices such as a "MacCready Ring" to indicate the optimal speed to fly for given conditions.
text: Gliders' variometers are sometimes fitted with mechanical devices such as a "MacCready Ring" to indicate the optimal speed to fly for given conditions.
text: Variometers are sometimes fitted with mechanical or electronic devices to indicate the optimal speed to fly for given conditions.