MT- Airplane Propeller Entwicklung GmbH has received the FAA STC #SA03525NY for the next generation five-blade scimitar composite propeller MTV-27-1-E-C-F-R(P)/CFR260-65b on the Beech King Air 300/350 series powered by Pratt & Whitney PT6A-60A engines. The installation is also EASA certified.
MT- Airplane Propeller says the new five-blade MT-Propellers provide a performance improvement of approximately eight percent in takeoff and climb and four to five knots in cruise on this aircraft type. There are no propeller speed restrictions on ground while operating in low idle. The ITTs are lower during startup for less engine wear. Also due to the smaller diameter of the five-blade construction, it has more ground clearance for less FODs. The MTV-27 Propeller has nickel alloy bonded on the leading edges for superior erosion protection of the blades. If there is FOD damage the blades are repairable.
MT-Propeller also says the natural composite blades provide best vibration damping characteristics for almost vibration-free propeller operation and significant cabin noise reduction. The propellers have no life limitation and their construction provides maximum durability and reliability; they are suitable for all weather operation.
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