Table 2. slip angles vs. displacements in lateral direction 
conventional tire: 700-13 4PR (5JX13 ) Infl. press. 1.7 kg/cm? 
  
  
  
  
  
  
  
  
  
radial tire: 175-14 (5JX14 ) 2. 0kg/cm^? 
Conventional tire Radial tire 
slip angle displacement(s) slip angle displacement(S ) 
defree mm degree mm 
0 0.0 0 0.0 
2 3.1 1? 50! 2.0 
4 11.7 4 14. 0 
6 18.9 6 : 22.5 
8 23.4 8 23.7 
10 22.1 
© ) vertical load : 425 kg Rim 
speed : 30 km/h s 
Tire 
   
   
Side force 
Fly wheel 
ER rH lB 8 
7 : dispacement at the shoulder 
edge of tire center in lateral 
direction 
EAE 
3. Change of the contact border line on the drum with the test tire is shown 
in Fig. 25. As is shown in Fig.26 the contact border line from the side from 
which the photograph was taken is equivalent to the line connecting the shoulder 
ENTE RE ESS LUNG ELI 23/77, 
9 line mentioned above. 
EER 
a SL ir SE 
No. 3 Tire edge line 
Radial tire ad 
(6) 
nn (n 
SNS 150) Measured pt. Re 
Conventional tire Fig. 26 Contact Boarder Line on the 
Drum with Test Tire 
10 —— 
o 
oo ae ner — 
Fig. 25 Shoulder Edge Line of the 
Tire Cornering at 10 degrees. 
  
a 
  
  
25 -