Conveyor NB-36
A nuclear reactor has the potential to set off a chain reaction in the nuclear industry. on spite of the dangers, a nuclear reactor was installed on an airplane that was constructed in the 1950s. To date, the airplane has only been used for a total of 47 flights.
PZL M-15 Belphegor
Not only was the PZL M-15 Belphegor the first biplane ever constructed, but it was also the most outlandish of all of them. The plane was a pesticide aviator since it was equipped with twin booms, fenders, and a chemical tank that held 377 gallons of liquid. The cost of jet engines was far higher than anticipated.