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