Description
The Woodward 8256-089 is a precision-engineered Governor Controller belonging to the 512 model series. Designed specifically for 12-volt DC electrical environments, this unit serves as a compact yet powerful solution for engine speed management. With a peak power consumption of 60 Watts, it is optimized for efficiency while maintaining the necessary current to drive actuator responses. The module is built for straightforward installation, though it includes specific wiring constraints to ensure voltage drops are minimized and control signals remain clean across the entire governing loop.
Product Specifications
- Model Family: 512 Series
- Operating Voltage: 12V DC
- Max Power Consumption: 60 W
- Max Wire Length (12 AWG): 60 ft (18.3 meters)
- Max Wire Length (14 AWG): 20 ft (6.1 meters)
- Weight: Approximately 0.75 kg (1.65 lbs)
- Dimensions: 120 mm x 100 mm x 45 mm
- Origin: Primarily manufactured in the United States
Frequently Asked Questions
💡 Why are the wire length restrictions so critical for this model? Because this governor operates on a 12V supply, the electrical resistance of the cabling can cause a significant voltage drop over long distances. If the wire is too thin (high gauge) or too long, the actuator may not receive the full voltage required to move the fuel rack precisely, leading to “hunting” or poor engine stability under load.
⚙️ Can I use a combination of 12 AWG and 14 AWG wire? It is generally recommended to stick to one consistent gauge for the entire run between the battery, controller, and actuator. Mixing gauges can introduce unexpected resistance points, making it difficult to calculate the total voltage drop accurately during system commissioning.
🛠️ What happens if I exceed the 60 ft limit? Exceeding the specified wire length increases the risk of electromagnetic interference (EMI) pickup and voltage starvation. If your installation layout requires a longer run, you should increase the wire gauge (e.g., 10 AWG) to reduce resistance, though you should consult the technical manual for the maximum allowable resistance before doing so.
🌐 Is the 60W power consumption constant? No, 60W represents the maximum rated draw during peak actuator movement. During steady-state operation, the power consumption is typically lower, as the actuator only requires enough energy to hold the fuel rack position against the spring tension.
Recommended Alternative Woodward Series Models
To support your EPG system requirements, the following ten Woodward models are frequently used in applications similar to the 512-series architecture:
- Woodward 8256-011
- Woodward 8256-017
- Woodward 8256-060
- Woodward 8256-084
- Woodward 8270-1002
- Woodward 8270-1003
- Woodward 8272-544
- Woodward 8272-545
- Woodward 8273-500
- Woodward 9907-162
