Motor Racing Vehicles - Measurement Methods
1 Karting – Asphalt Track
Location
Copenhagen Karting
Date
99.07.01
Vehicle
One POP 1-class kart, 10 passbys
Microphone 1
1.5 m above soft ground (grass), 7.5 m from actual racing line
Microphone 2
1.5 m above hard ground (concrete), 7.5 m from actual racing line
Speed
Average driving speed on measurement section of track: 30 m/s
Frequency (Hz)
63
125
250
500
1k
2k
4k
8k
Total
LWA (dB re. 1pW)
67.9
78.1
105.
2
112.
7
118.
7
124.
4
120.
7
114.
5
127.1
LpAmaxF (soft) (dB re.
20µPa)
-
-
-
-
-
-
-
-
100.2
LpAmaxF (hard) (dB re.
20µPa)
-
-
-
-
-
-
-
-
103.0
|