I now have plenty of photos on this car, but I can't share or publish those as copyright belongs to MTVA, the official Hungarian news agency and they are very, very strict about these issues.
However I have visited Mr Kárpáti today. It seems in the Summer I will have an opportunity to test drive his car, which looks quite nice. It was built in 1986. In 2003 he built a motorcycle, powered by a V4 Zaporozhets engine! Nowadays he's busy building an airplane which will look like a 1st WW fighter plane!
And he's also a painter. Quite a character