Vehicle Center Of Gravity Measurement Process; List Of Terms - GMC CHEVROLET CITY EXPRESS CARGO VAN 2015 Builder Manual

2015-18 CHEVROLET CITY EXPRESS CARGO VAN BODY BUILDER MANUAL

Vehicle Center of Gravity Measurement Process

List of Terms

Term Definition
Horizontal distance from the center line of the front wheels to the center of gravity of the
CG h
completed vehicle [mm (in)].
Horizontal distance from the center line of the front wheels to the center of gravity of the cargo
CG hl
[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.
Horizontal distance from the center line of the front wheels to the center of gravity of SUB and/or
CG hb
permanently attached equipment [mm (in)].
Horizontal distance from the center line of the front wheels to the center of gravity of the
CG hp
passenger load [mm (in)].
CG v Vertical distance from the ground to the center of gravity of the completed vehicle [mm (in)].
Vertical distance from the ground to the center of gravity of the SUB and/or permanently attached
CG vb
equipment [mm (in)].
Vertical distance from the ground to the center of gravity of the chassis (including cab);
CG vc
use 644 mm (25.3 in) in
Vertical distance from the ground to the center of gravity of the cargo [mm (in)].
CG vl
Vertical distance from the ground to the center of gravity of the passenger load [mm (in)].
CG vp
Actual Gross Vehicle Weight (pounds). GVW = W b + W c + W l + P
GVW
Gross Vehicle Weight Rating of the vehicle [kg (lbs)].
GVWR
Vertical distance between the front wheel center to ground line.
h f
Vertical distance between the rear wheel center to ground line.
h R
Two passenger load 136 kg (300 lbs).
P
Passenger front load distribution [kg (lbs)]. P f = P – P r
P f
P x CG hp
P r
Passenger rear load distribution kg (lbs).
A Second Unit Body (SUB) consists of the body structure and/or all the cargo carrying, work performing
SUB
and/or load bearing components and/or equipment installed by a subsequent stage manufacturer.
WB
Weight of the SUB and/or permanently attached added equipment [kg (lbs)].
W b
Vehicle wheelbase [mm (in)].
WB
Weight of the vehicle (chassis and cab with fuel tank full), including options weight [kg (lbs)].
W c
Weight at the front wheels of the vehicle (chassis and cab with fuel tank full), including options weight at
W F
raised position [kg (lbs)].
Weight at the front wheels of the vehicle (chassis and cab with fuel tank full), including options weight at
W FO
horizontal position [kg (lbs)].
Weight of the cargo [kg (lbs)].
W l
Weight of one passenger 68 kg (150 lbs)
W p
Weight at the rear wheels of the vehicle (chassis and cab with fuel tank full), including options weight at
W R
raised position [kg (lbs)].
Weight at the rear wheels of the SUB and/or permanently attached added equipment [kg (lbs)].
W rb
Weight at the cargo on the rear wheels [kg (lbs)].
W rl
Weight at the rear wheels of the vehicle (chassis and cab with fuel tank full), including options weight at
W RO
horizontal position [kg (lbs)].
formulas (1) and (2).
P r =
Pa g e | 51