Appendix 5 F1
United Kingdom
Test report on the compatibility of the inertia brake control device, the transmission and the brakes on the towed vehicle
1.
Control device …
described in the attached test report (see test report on inertia-braking system control device)
Reduction ratio selected:
2.
Brakes described in the attached test report
3.
Transmission devices on the towed vehicle
3.1.
Brief description with diagram showing principle
3.2.
Reduction ratio and efficiency of the mechanical-transmission device on the towed vehicle
i H1 =…
η H1 = …
4.
Towed vehicle
4.1.
Manufacturer
4.2.
Make …
4.3.
Type …
4.4.
Type of drawbar connection: towed vehicle with rigid drawbar/multi-axled towed vehicle with pivoted drawbar
4.5.
Number of brakes n =
4.6.
Technically permissible maximum mass G A = kg
4.7.
Dynamic tyre rolling radius R* = m
4.8.
Permissible thrust on coupling
D* = 0,10 g G A = N
or
D* = 0,067 g G A = N
4.9.
Required braking force B* = 0,50 g G A = N
4.10.
Brake force B = 0,49 g G A = N
5.
Compatibility - Test results
5.1.
Force threshold 100 · K A /(g · G A ) =
5.2.
100 · D 1 /(g · G A ) =
5.3.
100 · D 2 /(g · G A ) = …
5.4.
G′A = … kg
5.5.
G B = n · G Bo = … kg
5.6.
Braking torque of the brakes n · M* /(B · R) = …
5.6.1.
An overload protector within the meaning of point 3.6. of Annex VIII of Regulation (EU) 2015/68 is / is not fitted on the inertia control device / on the brakes
5.6.1.1
where the overload protector is mechanical on the inertia control device
n · P* /(iH1 · ηH1 · P′max) = …
5.6.1.2
where the overload protector is hydraulic on the inertia control device
p* / p′max = …
5.6.1.3
if the overload protector is on the inertia control device:
threshold force Dop/D* = …
5.6.1.4
if the overload protector is fitted on the brake:
threshold torque n · Mop/(B · R) = …
5.7.
Inertia braking system with mechanical transmission device
5.7.1.
iH = iHo · iH1 = …
5.7.2.
ηH = ηHo · ηH1 = …
5.7.3.
= …
5.7.4.
= …
5.7.5.
Ratio s′/iH = …
when the towed vehicle moves rearward
5.7.6.
For the braking torque when the towed vehicle moves rearward including rolling resistance
0,08 · g · G A · R = … Nm
5.8.
Inertia braking system with hydraulic transmission device
5.8.1.
ih/FHZ = …
5.8.2.
= …
5.8.3.
= …
5.8.4.
s/ih = …
5.8.5.
Ratio s′/FHZ = …
when the towed vehicle moves rearward
5.8.6.
For the braking torque when the towed vehicle moves rearward including rolling resistance
0,08 · g · G A · R = … Nm
6.
Differential travel at park brake compensator
6.1.1.
Maximum permissible compensator travel (forward) scf = … mm
6.1.2.
Maximum permissible compensator travel (rearward) scr = … mm
6.1.3.
Maximum permissible differential compensator travel scd = … mm
7.
The inertia braking system described above complies/does not comply with the requirements of points 3. to 10. of Annex VIII of Regulation (EU) 2015/68.
| Signature: … | Date: … |
8.
This test has been carried out and the results reported in accordance with relevant provisions of Annex VIII of Regulation (EU) 2015/68.
Technical Service f3 carrying out the test
| Signature: … | Date: … |
Annotations
Textual amendments
Footnotes
- f1
-
Strike out what does not apply.
- f2
-
State lengths used to determine i g or i′ g
- f3
-
To be signed by different persons even when the Technical Service and Approval Authority are the same or alternatively a separate Approval Authority authorization issued with the report.