00:00NASA crawler transporters risk crushing millions of dollar rockets under 2,400 tons of grinding
00:07steel weight.
00:08How do engineers guide this massive two-story vehicle around 90-degree turns without tearing
00:14the pavement completely apart?
00:16Common Sense says a giant steering wheel should guide the front, but single axles snap instantly
00:23under this load.
00:24Independent dual tracks rotate in opposite directions, pivoting the entire multi-ton beast
00:30smoothly on a dime center point.
00:32This clever counter-rotation prevents disaster whenever NASA crawler transporters risk crushing
00:38multi-million dollar rockets under 2,400 tons.
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