Hyperdictionary says...
Orthographic - of or relating to or expressed in orthography
Orthography - a method of representing the sounds of a language by written or printed symbols
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http://www.technologystudent.com/designpro/drawdex.htm -
There is a whole section on how to draw them here.
"Orthographic Projection is a way of drawing an object from different directions. Usually a front, side and plan view are drawn so that a person looking at the drawing can see all the important sides. Orthographic drawings are useful especially when a design has been developed to a stage whereby it is almost ready to manufacture.
IMPORTANT: There are two ways of drawing in orthographic - First Angle and Third Angle. They differ only in the position of the plan, front and side views. Below is an example of first angle projection."
Do you mean the blueprints of the cars?
Sites for car blueprints...
http://www.blueprint69.com/
http://www.suurland.com/blueprints_archive.php
http://jpracing.racerplanet.com/modu...wcat.php?cid=1
http://www.onnovanbraam.com/index.php?m=home&g=all
This is the best I can find. Hope it helps