Tue, Sep 07, 2010
Company Also Issued An EASA STC For Pilatus PC6
Two new props designed by MT Propellers received STC approval on
Thursday. The FAA and EASA have certified a new, composite 4-bladed
prop for Beech Barons, while the EASA also granted an STC for a
similar prop for the Pilatus PC-6.
Baron With MT Props
The FAA STC is for the 4-blade scimitar composite propeller
MTV-14-D-C-F/CF188-30g on the Beech Baron Model 95-C55, E55, D55,
58, G58 with the Engines TCM IO-520-( ) and IO-550-( ). The
installation is certified by FAA STC No. ST02819NY and EASA STC No.
The company says the propeller installation improves overall
performance, provides best vibration damping characteristics for
almost vibration free propeller operations, and reduces the weight
by approx. 20 lbs compared with the original metal propeller. It
also provides more ground clearance for reduced foreign object
damage (FOD), and the composite blades have no life limitation and
can be repaired in case of damage.
Pilatus PC-6 With MT Prop
For the Pilatus PC-6, an EASA STC was issued for the 4-blade
scimitar composite propeller MTV-16-1-E-C-F-R(P)/CFR240-55() on the
Pilatus PC-6/B1-H2, /B2-H2, /B2-H4 with the Engine P&WC
PT6A-20, -20A, -20B, /C20, -27, -34. The installation is certified
by EASA STC No. 10031167.
MT Propeller claims the same improvements in performance and
vibration dampening as it does for the Baron prop. The composite
for the PC-6 reduces the weight by approx. 14 kg (31 lbs) compared
with the original 3-blade metal propeller, and reduces the outside
and cabin noise significant and and complies with the strict German
noise regulations 2010, according to the company. They also say no
engine modification is necessary, and that the prop can be repaired
in case of FOD with no life limitation.
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