Assertion: turbine's efficiency | /r/HasProperty | over 80%
Facets:
Source sentences:
text: It’s principle of operation is the same as the overshot waterwheel, but the clever shape of the helix allows the turbine to rotate faster than the equivalent waterwheel and with high efficiency of power conversion (over 80%).
text: In 1826 Benoit Fourneyron developed a high-efficiency (80%) outward-flow water turbine.
text: The efficiency of the final improved version was over 80%.