Table 5. Summary of instrumentation and channel assignments (continued). ODAS III onboard data system Reference & Channel Transducer Max. Range Data Description 27 Accelerometer 2000 g's Driver door-beam 28 Accelerometer 2000 g's Longitudinal frame member 29 Accelerometer 2000 g's Transmission cross member/mount 30 Accelerometer 2000 g's Truck bed cross member #1 31 Accelerometer 2000 g's Truck bed cross member #2 32 Accelerometer 2000 g's Truck bed cross member #3 33 Accelerometer 2000 g's Rear bumper, Y-axis 34 Accelerometer 2000 g's Rear bumper, X-axis 35 Accelerometer 100 g's X-axis, c.g. data Umbilical cable, tape recorder system. 1 Accelerometer 100 g's c.g., X-axis 2 Accelerometer 100 g's c.g., Y-axis 3 Accelerometer 100 g's c.g., Z-axis 4 Displacement transducer 1905 mm Span between left and right door interior 5 Strain gage bolt 125,000 N Bolt #1* 6 Strain gage bolt 125,000 N Bolt #2* 7 Strain gage bolt 125,000 N Bolt #3* 8 Contact switch 1.5 V Time of impact, T0 9 Microswitch 1.5 V Monorail speed trap 10 Generator 1.5 V 1-kHz reference signal *Refer to figure 5 for bolt location.