In 1884, Victorian engineers faced a steep problem in the coastal town of Saltburn-by-the-Sea: how to effortlessly transport holidaymakers down a sheer 120-foot cliff to the pier without relying on expensive steam engines. Their solution was an elegant masterpiece of physics known as a water-balanced funicular railway. The system features two wooden tram cars riding parallel tracks, connected by a steel cable wrapped around a large pulley wheel at the top of the incline.
The operation relies on simple weight displacement. When a car sits at the top station, its under-chassis tank is filled with water from a cliff-top reservoir. The added weight of the water makes the top car heavier than the bottom car.
Once the operator releases the mechanical handbrake, gravity does all the heavy lifting: the descending filled car pulls the ascending lighter car up the slope via the counterweight cable. Upon reaching the beach station, the lower car automatically discharges its water ballast into a collection tank, readying it to be pulled back up when the opposite car undergoes the same process at the top. To keep the cycle endless, a pump sends the discharged water back up to the top reservoir.
Controlled entirely by brake operators using mechanical deadman systems, this ingenious machinery achieves smooth transit without an engine onboard the cars, making it one of the cleanest and most reliable mechanical transit systems ever devised.