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Kitty Hawk, Larry Page's pet-project flying car company, claims to be working on the noise problem:

"The lack of noise while in flight is another thing Kitty Hawk is highlighting about its new aircraft. In a video posted on its site, Kitty Hawk notes that a helicopter hovering at 1,500 feet emits about 80 dBA, while Heaviside only puts out 38 dBA."

https://www.theverge.com/2019/10/3/20897336/kitty-hawk-elect...

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Heaviside is impressive. One of the most elegant eVTOL aircraft I've seen so far. Looks efficient, taking a lot of cues from sailplanes instead of just slapping together a quadcopter with some wing surfaces (or slapping some clunky lifting pods onto an airplane).

I think it's a feasible design. Hopefully they actually start flying it crewed and scale it up to at least 4 seats. If they can execute, I can believe it'd be significantly cheaper to operate than a helicopter.

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