
( Brand: General Electric ), ( Manufacturer Part Number: 8DJ13AES ), ( Part Type: Indicator Tachometer ), ( Compatible Make: Avionics ), ( Country/region Of Manufacture: United States )
The General Electric 8DJ13AEs Aircraft Indicator Tachometer is a precision instrument designed for measuring and indicating the rotational speed, or RPM, of aircraft engines or other rotating machinery. It is a key component of an aircraft's instrument panel, providing essential information to pilots and engineers to ensure optimal engine performance and safety.
This particular model, the 8DJ13AEs, is a direct-drive mechanical tachometer, which means it does not require any external drive gears or belts to transmit engine rotation to the tachometer. It is designed for engines that have an RPM range of 0 to 110, making it suitable for smaller aircraft engines.
The tachometer features a clear, easy-to-read dial with graduations for each RPM marking. The dial is illuminated with a bright, long-lasting incandescent bulb, ensuring easy visibility in all lighting conditions. The dial face is protected by a scratch-resistant, tempered glass cover, which also contributes to the overall durability of the instrument.
The housing of the 8DJ13AEs tachometer is made of high-strength aluminum, which makes it lightweight yet robust. It is also anodized for added corrosion resistance, making it suitable for use in harsh aircraft environments. The instrument is also equipped with a damping system to reduce vibration and ensure accurate readings.
Installation of the 8DJ13AEs tachometer is straightforward, with a simple direct-drive connection to the engine or machinery. It comes with a standard 1-inch (25.4mm) diameter mounting hole, making it compatible with most standard aircraft instrument panels.
Overall, the General Electric 8DJ13AEs Aircraft Indicator Tachometer is a reliable, durable, and accurate instrument designed for use in aircraft applications. Its direct-drive design, clear and easy-to-read dial, and robust construction make it an essential tool for pilots and engineers to monitor engine performance and ensure safe and efficient aircraft operation.
The General Electric 8DJ13AEs Aircraft Indicator Tachometer is a vital instrument used in aircraft to display engine RPM. Here are the pros and cons of purchasing this tachometer:
Pros:1. Precision and Accuracy: This tachometer is designed to provide precise and accurate RPM readings, ensuring optimal engine performance and safety.
2. Rugged Construction: The tachometer is built to withstand the harsh conditions of aviation environments, making it a reliable choice for aircraft applications.
3. Wide Operating Range: The tachometer has a wide operating range of 0-110 RPM, making it suitable for a variety of aircraft engines.
4. Easy Installation: The tachometer comes with a simple installation process, making it easy for aviation professionals to integrate it into their aircraft systems.
5. Durable Design: The tachometer's design is durable and resilient, ensuring long-lasting performance and minimal maintenance requirements.
Cons:1. Expensive: The General Electric 8DJ13AEs Aircraft Indicator Tachometer can be quite expensive compared to other tachometers on the market.
2. Requires Calibration: Proper calibration is essential to ensure the tachometer's accuracy and reliability. Calibration can be a time-consuming and costly process.
3. Limited Compatibility: While the tachometer has a wide operating range, it may not be compatible with all types of aircraft engines.
4. Complex Installation: Although the installation process is straightforward, some users may find it challenging due to the need for precise wiring and connection.
Conclusion:The General Electric 8DJ13AEs Aircraft Indicator Tachometer is a high-performance, accurate, and rugged instrument suitable for aircraft applications. Its wide operating range, easy installation, and durable design make it an attractive option for aviation professionals. However, its high cost and complex calibration requirements may deter some users. Ultimately, the decision to purchase this tachometer should be based on the specific needs and budget of the aircraft owner or operator.
Recommendation:For aircraft owners or operators who prioritize precision, accuracy, and durability in their engine instruments, the General Electric 8DJ13AEs Aircraft Indicator Tachometer is an excellent investment. However, those with limited budgets or compatibility concerns may want to explore alternative options before making a decision. Regardless of the choice, always ensure that the selected tachometer meets the specific requirements of the aircraft engine and is installed and calibrated properly.
MFG Part # 8DJ13AES and Serial #AC42-615264. Stored in climate-controlled hangar. Appears to have been refurbished since housing, face and glass are in excellent condition. Selling as-is, not tested.
GE Tachometer - 110 PRM for vintage aircraft.