Description
The Woodward 8290-052 is a high-frequency Speed Control Module optimized for precision isochronous governing. Operating on a 24V DC power supply, this model is designed to maintain a perfectly steady engine speed, regardless of load fluctuations, by providing zero-droop control. It is specifically engineered to interface with gasoline and gas-fueled engines, supporting a wide sensing frequency range of 6000 to 12000 Hz. This unit is frequently deployed in high-performance applications where consistency is paramount, and it is fully compatible with Woodward’s 8256-021 and 8256-016 actuators.
Product Specifications
- Operating Mode: Isochronous (Zero-Droop)
- Input Power: 24V DC battery supply
- Speed Sensing Range: 6000 – 12000 Hz
- Target Prime Movers: Gasoline and gas engines
- Compatible Actuators: 8256-021, 8256-016
- Weight: Approximately 1.05 kg (2.31 lbs)
- Dimensions: 135 mm x 115 mm x 50 mm
- Origin: Primarily manufactured in the United States
Frequently Asked Questions
💡 What does “isochronous speed control” mean for my engine? Isochronous control ensures that your engine maintains a constant speed (RPM) even when the electrical or mechanical load changes. Unlike droop control, which allows for a small speed reduction under load, isochronous control forces the governor to adjust fuel input immediately to return the engine to its precise setpoint.
⚙️ Why is the 6000–12000 Hz range significant? This range is tailored for high-speed engines or applications where the magnetic pickup (MPU) provides a higher pulse frequency due to either higher engine speeds or a higher tooth count on the flywheel gear. It allows the controller to resolve speed changes with greater granularity, leading to smoother governing.
🛠️ How does the 8290-052 pair with 8256-series actuators? The 8290-052 provides the electronic control signal, while the 8256-021 or 8256-016 actuators perform the physical labor of moving the fuel linkage. These actuators are specifically matched to the output characteristics of the 8290-052 controller to ensure linear fuel response and optimal stability.
🌐 Is this model suitable for parallel generation? Because this is an isochronous controller, it is best suited for standalone applications. If you intend to operate this generator in parallel with other units, an external load-sharing module would be required to prevent the governors from conflicting, as isochronous units can become unstable when directly paralleled without load-sharing logic.
Recommended Alternative Woodward Series Models
To maintain or expand your governor system, the following ten models are often utilized in similar gas and gasoline engine applications:
- Woodward 8290-046
- Woodward 8290-030
- Woodward 8272-544
- Woodward 8272-545
- Woodward 8273-500
- Woodward 9907-162
- Woodward 9907-825
- Woodward 8256-011
- Woodward 8256-060
- Woodward 8440-1947
