Fastrak Day/Night Optical Tracker; Strobex - Honeywell VXP System Maintenance Manual

1.2.7 FasTrak Day/Night Optical Tracker

The FasTrak (Day/Night Model 13945) is a camera-like instrument that tracks moving blades. It
can gather these measurements during the day or night. The FasTrak gathers the following
information:
• Relative blade height (track)
• Blade lead-lag measurements
• Diagnostics related to these measurements
Leading particulars are shown in Table 1-7.
Particular
Weight
Dimensions
Environments
Resolution
Track Accuracy
Operating Temperature

1.2.8 Strobex

The Strobex is a hand-held strobelight used primarily for tail rotor blade tracking on the VXP. Its
flash rate is controlled by the Acquisition Unit and is a multiple of the incoming Photocell pulse
rate. The Strobex flash rate can also be controlled from within the VXP DP. The Strobex has
rounded corners and an attached cable assembly that plugs directly into the AU. Leading
particulars are shown in Table 1-8.
Parameter
Input Voltage
Input Current
Energy Per Flash
Flash Synchronization
Maximum Flash Rate
Input Sync Voltage
Table 1-9. FasTrak Leading Particulars
Characteristic
1.1 lb (0.50 kg.)
Height: 5.1 in. (129.5 mm)
Diameter: 3.6 in. (91.4 mm)
Day and night
+/-1.0 mm (typical)
+/-5% of reading +/-1.0 mm
-55° to +85° C
Table 1-10. Strobex Leading Particulars
Characteristic
22-30 Vdc (reverse voltage protected)
2.25 amps maximum
1.75 watts-second (below 25 flashes/sec)
To leading edge of trigger pulse
250 flashes per second
+0.5v min to +15v max IMS pulse to square
wave
VXP System Maintenance Manual 1-15
Introduction