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    AP421CTF-WWR66U

    Airmaster Propeller System

    The AP421CTF-WWR66U is a two blade propeller for use on small direct drive engines.  Its configuration is clockwise/tractor with the addition of a feathering facility. 

     

    The performance gain from the AP4x constant speed hub, combined with the outstanding design of the Whirlwind U series blade, allows this propeller to perform over a very wide range of speeds.  As such it is an extremely popular model, finding application on a wide range of aircraft.

     

    Features include

    • Designed for small direct drive engines (like UL260iS)
    • High strength AP421 CS hub with steel retention components
    • Fast response from high precision Maxon servo drive
    • Wide operating speed range from Whirlwind U series profile blades
    • Hard wearing composite blade construction with inlaid Nickel leading edge protection
    • Easy to use AC200F electronic governor/controller
    • Easy installation with a wide range of pre-made installation kits

     

    Products specifications
    Engine UL 260iS
    Hub AP421
    Engine D-Motor L-26
    Maximum Speed 3000rpm
    Blade Make Whirlwind
    Diameter 66in (1676mm)
    Mounting Flange Rotax 4in (101.6mm) PCD
    Products specifications
    Engine UL 260iS
    Hub AP421
    Engine D-Motor L-26
    Maximum Speed 3000rpm
    Blade Make Whirlwind
    Diameter 66in (1676mm)
    Mounting Flange Rotax 4in (101.6mm) PCD
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