They just don’t work. Such hype and this is what you get.

Kitty Hawk confirmed to Forbes that, after unveiling a more polished version of the Flyer last year, it has decided not to sell the one-seater to individuals and has returned deposits to would-be buyers. Behind closed doors, Flyer encountered problems, including frequent breakdowns and fires involving batteries, electric motors and wiring, two former engineers said. Last year, the Mountain View Fire Department was called to put out an early morning blaze at the Flyer building, city records show; former employees said the fire at the Google-owned building involved damaged batteries that had been pulled out of a Flyer that had crashed the previous day in flight testing under remote operation.

I was ridiculing this exact model eighteen months ago. Kinda flew off the handle, eh?