Download AGREEMENT

E/ECE/324
Rev.2/Add.114
E/ECE/TRANS/505
Regulation No. 115
page 21
The ratio of engine power shall be calculated as follows:
Kpower = PowerCNG / Powerpetrol
For each vehicle of the family, the official values of engine power are multiplied
by the above ratio.
6.2.3.3.
Engine dynamometer method:
The maximum power at the crankshaft is measured on an engine dynamometer
according to Regulation No. 85 for each parent vehicle(s) with the following
fuels:
(i)
(ii)
commercial petrol or diesel fuel,
commercial CNG,
The mean of power measurements shall be calculated as follows:
Power
n
= 1 / n ∑ Power
petrol
petrol.i
i =1
n
PowerCNG = 1/n ∑ PowerCNG. i
i=1
The ratio of engine power shall be calculated as follows:
Kpower = PowerCNG / Powerpetrol
For each vehicle of the family, the official values of engine power are multiplied by
the above ratio.
7.
INSTRUCTION MANUALS
7.1.
Instruction manual for the retrofit installation on the vehicle
7.1.1.
Scope
The scope of this paragraph is to list the minimum requirements which shall be
contained in the installation manual.