Sorry guys ........... here's the link.
Very interesting indeed & from my old farts maths I come up with the following.
Looking at the drawings from the extreme outside of the edge of the nose from the cab to the tip of the hood is 10 3/8" which is the internal corner support bracket but the actual external start or outer part of the edge on the radius its 9 1/4" the radius then at its minimum at its straight section to the middle is 6 3/8". EDIT in Actually the inner part of the radius is 5 5/8" not as noted 6 3/8"
This means that the most the end of the nose would be from the beginning of the outer radius 5 5/8 with the other on being part of the main radius itself. There is something like 3 3/8" used up in the edge curves, spread over 5 5/16" being the full radius there are 3 points of measurements in the radius of the edge.
In scale terms of HO, being 3.5MM to the foot, the means there would around 2.8 mm from the beginning of the inner radious, to the front of the nose at its extremen edge. From the start of the external radius would be approx 2.8mm from the nose protrusion but from the end of the radius a 1.76mm difference extension to the nose outer nose end.
Others who are into maths can interprete better, but for me, to get a difference in the length from the outer end of the side of the hood to the overall length being under 2mm in difference is doing ok & it would possibly mean the more noticeable angled models are perhaps the wrong ones.