Yesterday Elon Musk took delivery of his second-hand boring machine for his Boring Company. It's in a parking lot next to the SpaceX headquarters in Hawthorne, California. Musk says he's going to take it apart, figure out how to improve the design of boring machines, and start testing by coring out an underground pedestrian tunnel from his offices across (or rather under) the street to the parking lot. He'll certainly need good boring machines to build his Hyperloop system. From the San Jose Mercury News:
Last week, a tunnel-boring machine used by L.A. Metro to carve out 2 miles of earth for the new Crenshaw/LAX line was removed from the future Leimert Park Station in South Los Angeles in three pieces.
No one confirmed whether the 950-ton, 400-foot-long steel grinder would go to SpaceX. Metro had dubbed the machine “Harriet,” in honor of Harriet Tubman, an American abolitionist instrumental in the Underground Railroad, after a student contest.
The day Harriet finished work for Metro, Musk submitted plans to Hawthorne officials to build an underground pedestrian tunnel from SpaceX headquarters to its parking garage across Crenshaw Boulevard.
A vertical tunnel shaft already has been dug in the SpaceX parking lot.
Now, The Boring Co. machine will dig – cheese grater-style – a 500-foot-long, horizontal pedestrian tunnel that is 20-by-150 feet and 13.5 feet in diameter, according to interim Hawthorne City Manager Arnie Shadbehr.
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