Figure 1: c.g. calculations – Rice Lake Intercomp SW Deluxe Portable Vehicle Scale User Manual
Page 29
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SW Users
REV G, February, 2000
29
Figure 1: C.G. calculations
LF=684lb
RF=570lb
Manual C.G. calculation
side to side:
Find total weight:
LF 684lb
RF 570lb
LR 912lb
RR 684lb
Total weight 2850lb
Find moments
LF 684x0”
= 0 in-lb
RF 570x60”
= 34200 in=lb
LR 912x0”
= 0 in-lb
RR 684x60”
= 41040 in-lb
Total moment
75240 in-lb
LR=912lb
RR=674lb
WheelBase=105”
Track=60”
Find C.G.
Total moment:
75240 in-lb
Total weight:
2850 lb
=26.4”
58.8”
26.4”
C.G. location
Repeat for front to back
Total weight from above
Find moments
LF 684x0”
=0” in-lb
RF 570x0”
=0” inlb
LR 912x105”
=95760 in-lb
RR 684x105”
=71820 in-lb
Total moment
167580 in-lb
Find C.G.
Total moment
167580 in-lb
Total weight
2850 in-lb
= 58.8”
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