GMC CHEVROLET CITY EXPRESS CARGO VAN 2015, Builder Manual

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2015-18 CHEVROLET CITY EXPRESS CARGO VAN BODY BUILDER MANUAL Pa g e | 51
Vehicle Center of Gravity Measurement Process
List of Terms
Term Definition
CG h
Horizontal distance from the center line of the front wheels to the center of gravity of the
completed vehicle [mm (in)].
CG hl
Horizontal distance from the center line of the front wheels to the center of gravity of the cargo
[mm (in)]. If CG hl is not known, it may be estimated as the distance from the center line of the
front wheels to the horizontal midpoint of the cargo area.
CG hb
Horizontal distance from the center line of the front wheels to the center of gravity of SUB and/or
permanently attached equipment [mm (in)].
CG hp
Horizontal distance from the center line of the front wheels to the center of gravity of the
passenger load [mm (in)].
CG v Vertical distance from the ground to the center of gravity of the completed vehicle [mm (in)].
CG vb
Vertical distance from the ground to the center of gravity of the SUB and/or permanently attached
equipment [mm (in)].
CG vc
Vertical distance from the ground to the center of gravity of the chassis (including cab);
use 644 mm (25.3 in) in
formulas (1) and (2).
CG vl
Vertical distance from the ground to the center of gravity of the cargo [mm (in)].
CG vp
Vertical distance from the ground to the center of gravity of the passenger load [mm (in)].
GVW
Actual Gross Vehicle Weight (pounds). GVW = W b + W c + W l + P
GVWR
Gross Vehicle Weight Rating of the vehicle [kg (lbs)].
h f
Vertical distance between the front wheel center to ground line.
h R
Vertical distance between the rear wheel center to ground line.
P
Two passenger load 136 kg (300 lbs).
P f
Passenger front load distribution [kg (lbs)]. P f = P – P r
P r
P x CG hp
Passenger rear load distribution kg (lbs).
P r =
WB
SUB
A Second Unit Body (SUB) consists of the body structure and/or all the cargo carrying, work performing
and/or load bearing components and/or equipment installed by a subsequent stage manufacturer.
W b
Weight of the SUB and/or permanently attached added equipment [kg (lbs)].
WB
Vehicle wheelbase [mm (in)].
W c
Weight of the vehicle (chassis and cab with fuel tank full), including options weight [kg (lbs)].
W F
Weight at the front wheels of the vehicle (chassis and cab with fuel tank full), including options weight at
raised position [kg (lbs)].
W FO
Weight at the front wheels of the vehicle (chassis and cab with fuel tank full), including options weight at
horizontal position [kg (lbs)].
W l
Weight of the cargo [kg (lbs)].
W p
Weight of one passenger 68 kg (150 lbs)
W R
Weight at the rear wheels of the vehicle (chassis and cab with fuel tank full), including options weight at
raised position [kg (lbs)].
W rb
Weight at the rear wheels of the SUB and/or permanently attached added equipment [kg (lbs)].
W rl
Weight at the cargo on the rear wheels [kg (lbs)].
W RO
Weight at the rear wheels of the vehicle (chassis and cab with fuel tank full), including options weight at
horizontal position [kg (lbs)].