An enigmatic engine. A clumsy self-build or a brilliant concept? These photos have been circulating within known circles for a while. Like some sort of search pictures.
The most in-depth analysis came from a forum user who clearly recognized an attempt to do something useful with a DAF variant.
The exhaust gases would leave the building by means of a rotating disk.
The whole indicates in-depth technical thinking. The ultimate ugliness and rudeness of the thing also points in the direction of a genetically 100% pure technician.
But there is no definite conclusion or answer to the question 'who was the' NB 'on the tank.
Do you perhaps have that answer?