December 14, 2005

The Antarctic Snow Cruiser

An interesting bit of history:
The original conception of the Snow Cruiser is most often credited to Dr. Thomas C. Poulter. Dr. Poulter served as second in command of Admiral Byrd's Antarctic Expedition II. During this expedition, Admiral Byrd nearly lost his life when he was isolated by the weather at the Advanced Base. It took three attempts for Dr. Poulter to rescue the Admiral due to the difficulty of traveling a mere 123 miles in the inhospitable conditions. This incident is believed to have been the spark that inspired Dr. Poulter to first visualize the Snow Cruiser.

After returning from Antarctica Dr. Poulter took the position of scientific director of the Research Foundation of the Armour Institute of Technology in Chicago, Illinois. Dr. Poulter is said to have presented the idea for the Snow Cruiser to Harold Vagtborg, the Director Research Foundation and the rest of the staff of the Foundation. The Foundation elected to undertake design of the Snow Cruiser, and assigned it Project Number I-69. Under the direction of Dr. Poulter, the staff of the Research Foundation worked for approximately two years (1937 to 1939) on the design.

In the spring of 1939 the Research Foundation learned that the government was considering appropriations for a possible Antarctic expedition. Mr. Vagtborg and Dr. Poulter presented the completed plans for the Snow Cruiser to the expedition officials in Washington on April 29, 1939. The officials were enthusiastic over the idea and it was agreed the Foundation would supervise the construction and finance the cost, estimated at $150,000. The Snow Cruiser would then be loaned to the U.S. Antarctic Service, who would defray the costs of operation and maintenance, and then return the Cruiser to the Foundation upon return of the expedition.
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55 feet long, 16 feet high, 75,000 pounds fully loaded. Range is 5,000 miles. Lots of pictures and text with references at the website. I had never heard of this wonderful machine until today. I did find a website that sheds light on where it is today. The Antarctic Sun has this article by Bob Hanes:
The Antarctic Edsel
The unsolved mystery of Byrd's doomed cruiser

In the fall of 1939 I was only 12 years old, but I vividly remember the "event of all events" that took place near my hometown of Lima, Ohio. One of the greatest explorers of all time, Admiral Richard Byrd, was leaving for Antarctica. Once there, he planned to use a newly-designed and -constructed "snow cruiser." Although Byrd himself wouldn't be in Lima, the snow cruiser would be coming past town, en route from Chicago to Boston, where Byrd's ship was waiting.

Everyone in school was talking about the cruiser. Newspapers contained articles about the "coming spectacular." Life magazine carried details and drawings of the device. Even the newsreels at local theaters were publicizing the vehicle.

The machine's magnificence lay in its size and technology. It carried a crew of seven, measured 55 feet long, 20 feet wide, and 12 feet high. It was powered by twin 150 horsepower engines, and tipped the scales at 37 tons. Each of the four wheels was 10 feet tall, weighed 700 pounds and was perfectly smooth and treadless.
And once the cruiser arrived at Antarctica:
Once the cruiser arrived in Antarctica, it was based out of Little America, Byrd's station on the continent. But it was quickly discovered that the vehicle's smooth tires developed very little traction in the Antarctic snow. It took only a small amount of snow in front of each tire to stop the "unstoppable."

Though two spare tires were mounted on the front axles to provide extra traction, nothing seemed to help. That's until someone discovered the vehicle operated better in reverse. The cruiser's longest venture was 92 miles--all driven backwards.

Byrd's expedition extended into 1941, and with World War II pressing, Congress would not approve funding to continue. In May 1941 the group returned to the United States, its experiments terminated.

What happened to the cruiser? It was left behind in Antarctica in an underground ice garage. In the late 1940s another expedition found the vehicle and discovered it needed only air in the tires and some servicing to make it operational. It was again rediscovered in 1962, still perfectly preserved.

Where is Byrd's snow cruiser now? As of 1985 there has been speculation as to its whereabouts. Antarctic ice is in constant motion, and the ice shelf the cruiser was on is constantly moving out to sea. In the mid-1960s, a large chunk of the Ross Ice Shelf broke off and drifted away. The break occurred right through Little America. On which side of the break was the snow cruiser? No one seemed to know at the time.

The end of this story is still uncertain. Either the vehicle is buried under many, many feet of ice--where it might possibly be discovered by future explorers. Or it could be resting on the bottom of the Southern Ocean.

Whatever its fate, it was still a magnificent machine. But what a flop!
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Posted by DaveH at December 14, 2005 4:33 PM