The 6 bladed R391 propeller for the Alenia Aeronautica

C-27J incorporates advanced technologies developed by Dowty over the past 60 years and is being certificated to

JAR-P. It offers the following benefits:

• Advanced Swept Blade Design-
  • optimised ARAD-A aerofoil sections
  • excellent take-off and climb performance
  • very low noise levels
• High Integrity All-Composite Blades
  • over 30% lower system weight
  • service proven, rugged construction
  • unmatched 25 year record of operational safety and reliability
  • highly effective erosion protection system
• Fail-Safe Electronic Control System
  • modular configuration
  • no mechanical linkages to cockpit
  • simple hub construction