Thu, Dec 11, 2003
Hartzell: "Combines best aspects of original propeller with
Hartzell's latest airfoil design capabilities."
Hartzell tells ANN that
a new three-bladed propeller is now available for a wide range of
Beech Bonanzas and Debonairs. The new propeller is a hybrid design
to maintain the outstanding structural characteristics of the
existing Bonanza blade while incorporating improvements in the tip
section like those found on Hartzell's newer "Blended Airfoil"
blades. The objective was to offer a larger diameter propeller for
improved performance without increasing the noise signature of the
propeller.
As a result, at 82 inches in diameter the new propeller is 2
inches larger than the previous Bonanza propeller and provides an
increase in take-off and climb performance. Pilots are also
reporting an increase in cruise performance. Like the previous Top
Prop for Bonanzas, this propeller comes with a 2400 hour/6 year TBO
and the exclusive Hartzell Plus Three warranty which provides
a full three years or 1000 hours of coverage.
Cost for the complete kit is $8,995 and includes the propeller,
polished spinner, and STC paperwork. The kit is available
specifically for the 33, 35, and 36 series Bonanzas with originally
equipped TCM 10-520 or 10-550 engines.
Carl Hinnewinkel of Cherry Valley, CA installed the new prop on
a Beech V35B with the 10-520-BA and reports, "Take-off is excellent
and climb is incredible. There's less vibration and it's much
smoother. I've seen an increase in cruise of 7-8 knots. At higher
altitudes the take-off is really incredible."
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