Rice Lake Intercomp SW™ Deluxe Portable Vehicle Scale - Manual (Page 29)

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”