Page 55 - hankook-kesarenkaat-pintamallit
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Design features and technology The perfect balance between performance and safety
Noise
Even after wear, pattern noise is reduced compared to the existing product through new main groove positioning technology.
Before wear Conventional After driving 20,000Km Conventional
Overall level average Speed (KPH) Overall level average Speed (KPH)
90 100 110 120 130
95.00 80 90 100 110 120 130 95.00
Sound pressure Sound pressure
90.00 [dB(A)] 90.00 [dB(A)]
85.00 85.00
80.00 80.00
75.00 75.00
70.00 70.00
40 50 60 70 40 50 60 70 80
Frequency analysis average Frequency analysis average
0.25 0.25
Sound pressure Sound pressure
0.20 [dB(A)] 0.20 [dB(A)]
0.15 0.15
0.10
0.10
0.05 0.05
0.00 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 0.00 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800
0 Speed (KPH) 0 Speed (KPH)
