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The Ripsaw MS1 was a test platform made to test off-road capabilities. It was exclusively unmanned, cost $200,000 and could accelerate from 0–65 mph (0–105 km/h) in 3 seconds. [3] [4] Ripsaw MS2 UGV is made to be larger, faster, and more modular than the MS1. It weighs 4.5 short tons (4.1 t) and can carry a one-short-ton (0.91 t) payload.
[1] [2] This prototype used low pressure air tanks and exhaust air recovery to power a paraffin heat exchanger system. Its energy efficiency reached 74%. This is as much as 90% of the efficiency of lithium-ion electric cars. It had a driving range of 140 km (86 mi.). Efficiency and range might be increased by a number of practical improvements.
The tanks must be designed to safety standards appropriate for a pressure vessel, such as ISO 11439. [6]The pressure vessels or air storage tanks that can be used in compressed-air vehicles can be made for low pressure (9 atm (130 psi)) or high (more than 240 atm (3,500 psi)), and can be made of composite materials like thermoplastic and fiber-reinforced thermoplastics, [7] [8] that means that ...
LNG is being evaluated and tested for over-the-road trucking, [23] off-road, [24] marine, and railroad applications. [25] There are known problems with the fuel tanks and the delivery of gas to the engine. [26] China has been a leader in the use of LNG vehicles [27] with over 100,000 LNG powered vehicles on the road as of 2014. [28]
Some types are also referred to as a compressed air breathing apparatus (CABA) or simply breathing apparatus (BA). Unofficial names include air pack, air tank, oxygen cylinder or simply pack, terms used mostly in firefighting. If designed for use under water, it is also known as a scuba set (self-contained underwater breathing apparatus).
A woman was arrested on Tuesday after Memphis police found a Aquaphor lotion bottle that connected her to a theft that occurred in December 2023.