Westfalia 342 094 691 101 Notice De Montage Et D'utilisation page 43

Calculating the required D-value according to regulation 94/20/EG
T x R
D = ---------------------- x g
req.
1000 x (T + R)
2025 kg x 1250 kg
D = ---------------------------------------- x 9.81 m/s
req.
1000 x (2025 kg + 1250 kg)
D = 7.582 kN
req.
Calculating max. permitted tow load of towing hitch acc. to reg. 94/20/EG
1000 x T
empty
R = --------------------------
perm.
g x T - 1000 x D
empty
1000 x 1525 kg x 9.1 kN
R = ---------------------------------------------------
perm.
2
9.81 m/s x 1525 kg - 1000 x 9.1 kN
R = 2368 kg
perm.
1000 x T x D
R = --------------------------
perm.
g x T - 1000 x D
1000 x 2025 kg x 9.1 kN
R = ---------------------------------------------------
perm.
2
9.81 m/s x 2025 kg - 1000 x 9.1 kN
R = 1711 kg
perm.
342094691101 – 15/03
1250 Kg
1250 Kg
x D
towing hitch
towing hitch
? Kg
towing hitch
towing hitch
1. Permitted total weight and permitted tow load
of the vehicle completely utilised:
Permissible total weight:
Towed vehicle load, braked:
Required D-value of the towing hitch:
Legend:
D = D-value of the trailer coupling
2
T = Total mass of the towing vehicle
R = Total mass of the trailer
g = gravitational acceleration (9.81)
2. Tow load at minimum loaded vehicle:
Maximum curb weight of towing vehicle
incl. 75 kg for driver:
D-value for the towing hitch used:
Max. permitted tow load of towing hitch:
Permissible total weight of rig:
Maximum curb weight of towing vehicle
incl. 75 kg for driver:
Permitted max. weight of trailer:
Towed vehicle load, braked:
Þ The vehicle's permitted tow load of 1250 kg is the
lowest limit for this example and may not be
exceeded.
3. Tow load at maximum loaded vehicle:
Permissible total weight:
D-value for the towing hitch used:
Max. permitted tow load of towing hitch:
Permissible total weight of rig:
Permissible total weight
Þ Permitted max. weight of trailer:
Towed vehicle load, braked:
The trailer's permitted tow load of 950 kg is the
lowest limit for this example and may not be
exceeded.
2025 kg
1250 kg
7.582 kN
[KN]
[Kg]
[Kg]
[m/s
1525 kg
2368 k
2975 kg
- 1525 kg
1450
1250 kg
2025 kg
1711 kg
2975 kg
- 2025 kg
950 kg
1250 kg
0840 B , 28.11.2001 , Σελίδα 43
2
]
9.1 kN
g
kg
9.1 kN