Dimension parameters of the original NPT model.
|Tread outside diameter (TR)||600 mm|
|Rim outer diameter (HR)||410 mm|
|Tire width (B)||195 mm|
|Shear zone thickness (ShT)||20 mm|
|Stiffener thickness (ReT)||1 mm|
|Thickness of outer shear cover (OT)||7 mm|
|Thickness of internal shear cover (IT)||3 mm|
|Number of spokes (Q)||25 pairs|
|Spoke width (SpB)||193 mm|
|Spoke thickness (SpT)||4.2 mm|
|Radial length of spoke (SpL)||72 mm|
|Spoke curvature (C)||8 mm|
|Deviation rate of inner side of spoke (SI)||0.6 mm|
|Deviation rate of outer side of spoke (SO)||0.15 mm|
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