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I don't second that...Challenger Deep in the Mariana Trench is the lowest point below the surface of the Ocean--roughly 10,900 meters (35,800 feet). Let's see...1 atmosphere (14 psi) per 10 meters of depth, so roughly 1090 atm at the deepest, times 14 psi per atm is about 15,000psi. That doesn't reach 51,000psi.
Now, I know that some of the diesel direct-injection fuel systems are pushing 40,000psi...could there be one that is around 51,000 psi?
The 9x23Win is a similar beast -- between 44000PSI and 51000PSI --- cartridge is suppose to resemble a chopped down 223 cartridge internally. a 9mm, 125 gr bullet at about 1450ft/sec
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.