An insect-like machine with six individually powered legs that was intended for the battlefield received millions in US government funding during the 1980s.
The project to create a fleet of real-life AT-AT walkers from Star Wars started in 1981 at Ohio State University, as the military searched for ways to traverse rough terrain that wheeled vehicles couldn't manage.
Called the Adaptive Suspension Vehicle (ASV), the bizarre vehicle was part of a decade-long project which was eventually scrapped after receiving a reported $1million a year from Darpa between 1981 and 1990.
The fate of the ASV is a mystery, with nobody knowing whether it is in storage somewhere or was scrapped decades ago.
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Called the Adaptive Suspension Vehicle (ASV), the bizarre vehicle (pictured) was part of a ten-year project which was eventually scrapped after receiving a reported $1million a year from Darpa between 1981 and 1990
The project to create a fleet of real life AT-AT walkers from Star Wars started in 1981 at Ohio State University as the US military searched for novel ways to traverse rough terrain
Professors Robert McGhee and Kenneth Waldron at Ohio State University wrote a scientific paper explaining their project in 1986.
They say: 'The vehicle uses a legged, rather than a wheeled or tracked, locomotion principle, and is intended to demonstrate the feasibility of systems of this type for transportation in very rough terrain conditions.
'The vehicle is presently under test, with installation and validation of software modules for different operational conditions scheduled for completion by the end of 1986.'
The innovative machine weighed almost 6,000 pounds and stood 17 feet long, 7.9 feet wide, and 9.8 feet tall.
Its behemoth dimensions allowed it to step over fences and walls while crossing trenches up to 23 feet wide.
However, one of the reasons it failed to live up to expectations and enter into the military's ground fleet is that it could only do this with a payload of 485 pounds.
Powering the machine was a unique task and everything had to be customised specifically for the ASV.
Engineers came up with an extraordinarily complicated system that would require hydraulic pumps, a 1,000-pound flywheel and a 900cc motorbike engine.
The engine was capable of 91 horsepower but was used to power the flywheel which in turn drove a total of 18 hydraulic cylinders.
This exact process was convoluted and required the engine to power three separate driveshafts. These then transferred power to each leg's three pumps.
The innovative machine weighed almost 6,000 pounds and stood 17 feet long, 7.9 feet wide, and 9.8 feet tall. It reportedly received $1million a year in funding
As well as the mechanical components, the ASV also came with 17 individual computers to help the sole driver. Each leg had its own computer, the Intel '86/30' 128k, 8-bit chip, which is primitive by today's standards. The other 11 assisted in the driving, guiding and general operation of the enormous and cumbersome machine (pictured, how computational workload was divided)
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