Owner manual

Table Of Contents
Fx Data (Longitudinal Force)
SWIFT 20 Sensors Analyzing SWIFT Data
113
Fx Data (Longitudinal Force)
This figure shows the Fx (longitudinal force) data.
The offset in Fx after zeroing the SWIFT sensor is due to frictional force
and rolling resistance on a flat road.
There is a strong similarity between Fx and Mz, due to the SWIFT sensor
measurement characteristics. That is, the SWIFT sensor measures at the
transducer centerline. As a result, any Fx load results in an additional Mz
output:
Mz due to Fx loading = Fx load x Distance
Mx+
Direction
of Motion
Fx+
Distance
S20-28