Thu, Sep 28, 2017
Hartzell Composite Props Designed Specifically For The Popular Business Aircraft
Raisbeck Engineering has received a Supplemental Type Certificate from the FAA for Hartzell Propeller's newest structural composite swept blade props designed specifically for Beechcraft King Air 350 turboprops.
Hartzell designed and manufactures the King Air 350 propellers. Raisbeck performed the flight tests for the STC and will install in the aftermarket across its dealer network. The new King Air 350 propellers are an extension of propeller blade technology advancements developed by Hartzell for the King Air 90, King Air B200 series and King Air 300 series aircraft over the past three decades.
"The new composite propellers provide strong performance gains for the aircraft, including take-off distance, time to climb, and cruise speed," said Hartzell Propeller Executive Vice President JJ Frigge. "Importantly, the props also come with an enhanced, 3-year, 3,000 hour warranty," he added.
"The new five-blade swept propellers replace the standard Hartzell four-blade aluminum propellers on the King Air 350 fleet," said Raisbeck Engineering Vice President of Sales and Marketing Lynn Thomas. "This provides nearly 50 lbs. of weight savings for the aircraft, improved single-engine climb performance, unlimited life blades, increased takeoff acceleration, and is quieter."
The five-blade technology, designed specifically for the King Air 350, greatly increases the utility of the world's most popular twin-engine turboprop. By taking advantage of the aerodynamic effect of blade sweep, the strength of lightweight structural composites and robotic manufacturing technologies, performance is optimized in all flight phases.
(Image provided withe Hartzell Propeller news release)
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