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I-21 Inertial Navigation System - a fully selfcontained automatic aircraft control system. The high-precision reckoning ability of the system is provided by precision accelerometers and Floating gyros.
The most important distinguishing feature of the system is independent navigation in relative motion around the Earth, polar regions inclusive. The system remains serviceable in conditions of arbitrary aircraft orientation.
The system has found application in several types of aircraft including such giants as the RUSLAN and MRIYA.
SPECIFICATIONS
Errors in:
Aircraft position fixing 3,7 km in 1 hour
Ground speed components measurement 12,6km/h
True heading determination (0,2±0,025T) °
Roll and pitch measurement 0,1°
Status ready time 15min
Weight 50kg
Current drawn:
115 VAC 400 Hz heating circuits 10A
115 VAC 400 Hz main circuits ЗА
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