Portable, automatically measures & indicates out-of-track condition of helicopter rotor blades; an electro-optical pick-up unit is located on ground or on a test stand under rotor blades to be checked; from 2 to 6 blades may be tracked either on single or dual rotor installation; may be used day or night; at night, auxiliary illumination must be provided
Entry Date
70-10-15
Reference Data And Literature
Dept of army publications: tm11-4920-215-15 w/ changes 1, 2, & 3, nov 63; tm11-4920-215-25p may 66; tb11-4920-215-50/1
Relationship To Similar Equipment
Similar to wm- ( ) & wm-2 ( ) blade trackers it replaces
