nnv - Robuta Search

https://bit-tech.net/news/tech/cooling/nanoxia-special-nnv-fans/1/

Uses patented automotive tech.

https://www.flightaware.com/photos/view/6646302-3eb537cdd6c12eec3c362588fcc10b686d9c54df/aircrafttype/CJ6/sort/votes/page/1/size/fullsize

FlightAware Aviation Photos: NANCHANG PT-6 (piston-single)(VH-NNV), Nanchang CJ-6A cn 543024. VH-NNV YPJT 10th July 2020. YPJT

https://drive.google.com/file/d/1guNgX5ThUDQvwkaBpWGn7aPa_gRKdD9u/view?usp=sharing