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Semaphore Signal

A sturdy, easy-to-assemble model railway signal that can be operated by hand — just add weights ( not included) to set the arm’s resting position. Designed so hobbyists can also add servos or sensors later if they want automated signalling. Includes laser-cut Signal Body, Arm, and Control Arm parts. All that is required are some 6mm OD rods for the signal to pivot on.

Semaphore Signal Extra image
This mechanical model railway signal is designed to be simple, reliable, and easy for hobbyists to customise. Supplied as a compact set of laser-cut components including the Signal Body, Signal Arm, and two Control Arms, assembly is quick and workshop-friendly.
All that is required are some 6mm OD rods for the signal to pivot on.


The signal can be operated traditionally by hand, by adding weight ( not included) to ensure the arm naturally rests in your preferred danger or clear position. This makes it ideal for those who enjoy fully manual lineside operation or are building scenic features where simplicity and authenticity are key.

For those wanting automation, the design also allows the easy addition of a servo mount, timer circuit, or even a sonic/ultrasonic approach sensor — perfect for incorporating interactive features into a club layout or garden railway.

Strong, compact, and adaptable, this signal is a great option whether you want a classic manually-worked installation or a modern electronically-controlled accessory.
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