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My point was that, with a few egregious exceptions, many "errors" complained of by the nit-pickers are of the kind that most people won't notice unless they are pointed out, and often not even then. Eg, I can't tell the difference between an F7A and an FP7A unless they standing side by side on adjacent tracks. These ar two versions of the once ubiquitous F series diesels built by General Motors' Electromotive Division - their length differs by about 2 ft - about 7mm in HO. Now I _know_ that the FP7 is longer
- but I can't _see_ it unless it stands next to the shorter engine! If I look a little closer, and search for some detail differences, I can tell which is which without this comparison, but most of the time I don't look that closely. Nor, I submit, do most modellers.
IMO, if the model has the correct colour scheme, has major dimensions accurate within about 1%, and has a decent amount of detail of the correct proportions applied in the right places, it's acceptable. It appears that many currently available models in the UK don't meet that standard (I agree with this assessment, BTW.) Lately, some have been offered that do. So what's the problem, really?
Other points (repeated I hope more clearly:)
a) "Correct contours" is a real problem. The sad fact is that correct contours on a model may not look correct simply because we usually don't see the model engine with the same angle of view as we see the real one. And comparisons of photos of model and prototype are no help at all - the effects of lenses' focal lengths and angles of view affect the perceived shape. Such comparison are actually highly misleading. Unless you have proof that the die sinker made a serious error, don't jump to conclusions just because to your eye the contour doesn't look right.
b) "Correct colours" - assuming the coliour scheme is correct, the question of whether the correct hues have been achieved is again a highly subjective one, especially with the subdued hues that most railroads favoured in the past. I listed the factors that affect the apparent colour -- and there are so many, that even if the manufacturer matched the paint to existing colour chips there will be people who complain that it's wrong.
c) "Correct details" - engines are rebuilt, repaired, and serviced, so that after a few years you will be hard put to find two that are exactly alike. So long as the characteristic details are in the right places and in the correct proportions, I'm satisfied. Additional detail can always be applied by the modeller. The question of fineness of detail is, alas, a subjective one. Generally, detail that is too fine will not be seen at normal viewing distances - so why put it on?
d) "Manufacturer's blueprints" -- well, these aren't always correct, either. As designed and as built may be different in quite a few ways. Besides, as rebuilt and repired will be even more differen. Which brings me to:
e) "Preserved examples" as sources of "correct models." If you want model sof those engines -as presreved_, yes, they are a good sources. But what guarantee is there that they represent the run of the mill condition of these classes when in actual service 40, 60, 80 years ago? Not much, if my collection of photos from those years are any guide.
Wolf Kirchmeir ................................. If you didn't want to go to Chicago, why did you get on this train? (Garrison Keillor)