Can't remember exactly why it didn't take off...
Probably a pain and time consuming to assemble safely, so it might have been more cost effective to just buy a plane.
I’ve always seeing flying cars as “a bad car and a bad plane”. I have family members that have fair amounts of land. If I had a thing like this, I could visit my sister in Montana. But there is no way I could afford it. She could. She already has a Cessna Citation...
In street dress, it was propelled by the spinning prop.
Would have a nasty habit of chewing up pedestrians and anyone else who got too close.