Cubic centimetre | cubic centimetre | Centimetre of water | centimetre of water | Centimetre–gram–second system of units |
The major driver for the three competing aircraft, was the development of the "Toriy" - Thorium centimetre waveband NII-17 RADAR at NIIP - Naoochno-Issledovatel'skiy Institut Priborostroyeniya (Research Institute of Instrument Engineering), which was capable of detecting a B-29 Superfortress bomber at a range of 12 miles.