MT-Propeller has received an FAA STC for its 3-blade natural composite propeller on the Piper PA-28R series, powered by Lycoming IO-360-B or IO-360-engines.
The installation is already supplemental type certified by EASA.
According to MT-Propeller President Gerd Muehlbauer, the installation features:
- Best vibration damping characteristics for almost vibration free propeller operations
- Unlimited blade life
- Up to 10 kg lighter
- Cooler CHTs by up to 35°C (95°F)
- FOD repairable blades
- Stainless Steel leading edges
MT-Propeller holds more than 220 STCs worldwide and is an OEM supplier for more than 90% of the European aircraft industry, as well as 30% of the US aircraft industry. More than 25,000 propeller systems with more than 80,000 blades are in service.
I gave an instrument rating to a student in an Aeronca 7AC Champ years ago. It had an old vacuum system with a 4-inch vertical gyro. once airborne you got on your knees so you could see the instrument panel and shouted in his ear( no headsets). The student finished up and flew for a major airline.