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After the war, Hartzell produced the first composite propellers for the Republic RC-3 Seabee. Hartzell began making aluminum propellers in 1948 and developed the first full-feathering propellers for a light twin-engine aircraft in the 1950s. These were used in the Aero Commander, Piper Apache, Cessna 310, and Beech Twin Bonanza. [11]
Robert Norris Hartzell (born June 3, 1896 in Ohio, died December 11, 1968) was an American entrepreneur who started Hartzell Propeller in 1917, a company that produces aircraft propellers. [ 1 ] [ 2 ]
Haw Propeller - Germany; Helices E-PROPS - Electravia - France (2008–present) Hélices Halter - France (1987-2014) Hamilton Standard - United States (1929-1999) Hamilton Sundstrand - United States (1999-2012) Hartzell Propeller - United States (1917–present) Hegy Propellers - United States; Heine Propellers - Germany; Helix-Carbon - Germany ...
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The major difference is the choice of propeller, with the CS using a Hartzell two-blade aluminum constant speed prop and the XLS using an MT composite three-blade unit. [ 3 ] [ 4 ] Capacity is available for up to 1,000 aircraft a year to be produced with certification by the European Aviation Safety Agency in 2008.
A constant-speed propeller is a variable-pitch propeller that automatically changes its blade pitch in order to maintain a chosen rotational speed, regardless of the operational conditions of the aircraft. This is achieved by use of a constant-speed unit (CSU) or propeller governor, which automatically changes the propeller's blade pitch.
The TBM 900 saw the adoption of a new five-bladed propeller, specially optimised by Hartzell based upon airflow simulations conducted of the TBM's forward section. According to SOCATA, Hartzell's selection over a similar advanced counterpart from MT-Propeller was made due to the former raising the cruise speed by around 3 to 5 kn (5.5 to 9 km/h).
The LASTA is equipped with a six-cylinder Lycoming engine AEIO-580-B1A 232 kW (315 HP) of the opposed-cylinder type, and a two-bladed metal propeller Hartzell HC-C2YR-4CF/FC 8475-6, which provides maximum flight velocity (at an altitude of 3000m and a takeoff weight of 1085 kg) of 345 km/h. The empty weight is 888 kg, and the maximum takeoff ...