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Articles for tag urban transportation systems




Apr
19
2021

URBAN AIR MOBILITY

Posted by Admin

NASA says it best. It’s gonna take a revolution! They call it revolutionary vertical lift technology (RVLT), and how right they are. According to a PowerPoint presentation from Johnson, Silva (2018), a revolution in design, sizing, propulsion, blade design, rotor performance, geometry, and handling qualities will be required for urban air mobility (UAM) to evolve to a viable and sustainable system. Additionally, they say, their baseline system must “design aircraft, which will produce less than 50% of the climate-impacting emissions of today’s fielded technology” and those aircraft must be whisper quiet. UAM is an obvious next-step in urban transportation systems. After Lyft and Uber run their course, what’s next in urban mobility? Elon Musk is headed underground with his tunnels. But aren’t tunnels just an upgrade to the London tube system? What’s left is above ground. Disney likes the Monorail. China and Japan are both strong proponents of a monorail system and are heavy users as well. Moreover, whereas monorails are technically “above ground”, they are still attached to the surface. That leaves the airspace directly above the ground, but not quite high enough to enter the national airspace system (NAS), as a last frontier.  [Read More...]



Tags: revolutionary vertical lift technology (RVLT) urban air mobility (UAM) urban transportation systems urban unmanned aerial system (UAS)
Categories: categoryOpinion-Editorial categoryHelicopter Sectors