Kitty Hawk’s Newest VTOL Almost Silent
Kitty Hawk’s latest entry into the incipient urban mobility market is missing something important and it might be its biggest selling point. The new Heaviside (named for Oliver Heaviside, a controversial early 20th century physicist and electrical engineer) is virtually silent in flight with a noise level of about 38 decibels at 1,500 feet. Helicopters […]