The 6 bladed R408 propeller for the Bombardier Q400 Dash 8 aircraft incorporates advanced technologies developed by Dowty over the past 60 years. It offers the following benefits:

Advanced Swept Blade Design

• optimised ARAD-A aerofoil sections

• excellent climb and cruise performance

• very low noise levels

High Integrity All-Composite Blades

• low weight

• service proven, rugged construction

• unmatched 25 year record of operational safety and reliability

• highly effective erosion protection system

Fail-Safe Electronic Control System

• precise speed selection and synchrophasing accuracy

• counterweighted blades assure safe coarse-seeking operation

• dual lever cockpit control

Low Maintenance Costs

• modular configuration

• no mechanical linkages to cockpit

• one piece hub with individual blade replacement

• low parts count