April 3, 2017

...AND CHEAPER...:

GM's super-quiet, super-cool military 4X4 (Peter Valdes-Dapena, April 3, 2017, CNN)


The big ZH2 is very quiet, but it's not completely silent. When it starts up there is a whoosh of air being sucked in. When it's moving, as it did recently through an off-road course at GM's Milford Proving Grounds, there is some noise from the tires, suspension, electric motors and splashing mud. But, compared to a rumbling diesel truck, it's nearly silent. In military parlance, there is minimal "accoustic signature."

Since the truck isn't burning any fuel, it doesn't give off much heat that could be picked up by heat-sensing night vision cameras. In other words, there's not much of a "thermal signature" either.

Added bonus: Soldiers can drink the exhaust.

"We're not doing it in this vehicle, but it is possible for us to take the exhaust gas from the engine, or the fuel cell, and actually create potable water," said Brian Butrico, with the U.S. Army's Research and Development and Engineering Command. "The soldiers can actually create their own drinking water as they're operating the vehicle."

Posted by at April 3, 2017 8:44 AM

  

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