Planning for Parts Update 2012-01


Re: Tyre Nomenclature
#21
The description for 30038 is incorrect:
Code:
Tyre 8/ 40 x 8 Slick Smooth
should be
Code:
Tyre  8/ 40 x  8 Slick Smooth

The nomenclature is meant to follow the ISO standard for real vehicle tyres, as closely as possible. Although not explicitly stated here the intention was to allow for a 3-digit profile percentage and a 2-digit width. The ISO standard does not have white space around the "/". The inclusion of spaces around the "x" was arbitrary, and in the ISO standard would be B (bias belt), D (diagonal) or R (radial) without spaces. Since LEGO tyres don't have such internal construction, x (or X) is a good substitute.

However in the nomenclature explanation
Code:
width_(mm)/profile_as_%age_of_width x rim_diameter_(mm)
is easier to read than
Code:
width_(mm)/profile_as_%age_of_widthxrim_diameter_(mm)
but upper casing the "X" would help:
Code:
width_(mm)/profile_as_%age_of_widthXrim_diameter_(mm)

I am happy to make the title changes if the majority view is to remove the spaces.
Chris (LDraw Parts Library Admin)
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Messages In This Thread
Tyre Nomenclature - by Philippe Hurbain - 2012-05-25, 7:19
Re: Tyre Nomenclature - by Chris Dee - 2012-05-25, 8:19
Re: Tyre Nomenclature - by Steffen - 2012-05-25, 16:39
Re: Tyre Nomenclature - by Chris Dee - 2012-05-25, 19:44

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