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Internal Halyard Systems

Internal Halyard Flagpole Diagram

Description: Internal Halyard Flagpoles conceal the rope or wire halyard within the flagpole shaft, offering a streamlined and secure appearance.

Components: These flagpoles feature a lockable access door for managing the halyard. Internal Halyard Systems include either a Cam Cleat or a Winch System:

  • Cam Cleat System: Secures a rope halyard with a cam-action mechanism.
    Cam Cleat Internal System
  • Winch System: Uses a winch to manage a stainless-steel cable.
    Winch Internal System

Cost: Internal Halyard Flagpoles are typically more expensive due to the additional hardware and fabrication involved.

Height Range: They are available from 20 ft to over 100 ft, accommodating taller installations.

Advantages: The internal halyard provides a cleaner look and added security, reducing the risk of vandalism and wear. It also generally requires less maintenance since the halyard is protected from environmental elements.

Disadvantages: The initial cost is higher, and the installation and maintenance can be more complex compared to external systems.

The choice between a Cam Cleat System and a Winch System will depend on the height of the flagpole, the type of flags you plan to display, and your budget. Cam Cleat Systems are typically preferred for their simplicity and clean appearance in shorter flagpoles, while Winch Systems are better suited for taller flagpoles and more demanding commercial applications due to their ability to handle larger flags and higher wind loads.

Internal Trucks

Internal Trucks are mounted at the top of Internal Halyard Flagpoles and house an enclosed pulley system for the rope or wire halyard. They are integral to the flagpole system, allowing for the smooth raising and lowering of flags while maintaining the streamlined appearance of the internal halyard system.

Types of Internal Trucks:
Internal Revolving Truck - Spindle Design Example
Internal Revolving (Spindle Design)
  • Design: Features a threaded spindle that is installed into a female fitting welded into the top of the flagpole.
  • Function: The spindle design allows the truck to rotate with the wind, enabling the flag to align with the wind direction and reducing wind resistance.
  • Advantages:
    • Wind Adaptability: Helps the flagpole adapt to changing wind conditions, preventing the flag from wrapping around the pole.
    • Reduced Wear: Minimizes flag wear by keeping the flag oriented properly and reducing friction.
  • Use Case: Ideal for areas with high or variable winds as it improves flag longevity and performance.
Internal Stationary Truck - Cap Design Example
Internal Stationary (Cap Design)
  • Design: Installed over the top of the flagpole and secured with anchoring set screws or bolts. This design does not rotate.
  • Function: The stationary truck is fixed in place, providing a stable mounting for the halyard and flagpole assembly without rotation.
  • Advantages:
    • Simplicity: Fewer moving parts compared to revolving trucks, leading to reduced maintenance needs.
    • Cost: Generally less expensive due to simpler design and fewer components.
  • Use Case: Suitable for areas with stable wind conditions where flag orientation is less of a concern.
  • Revolving Trucks: Best for locations with high or variable wind speeds due to their ability to rotate with the wind, helping to keep the flag properly aligned and reducing wear.
  • Stationary Trucks: Suitable for locations with stable wind conditions or where cost and maintenance are primary considerations. They provide a reliable and simple solution for managing the flagpole's halyard system.

Choosing between a revolving and stationary internal truck depends on the specific needs of your flagpole application, including local wind conditions, budget considerations, and desired maintenance levels.