Steve,
I continue to encourage you to go the competition route. Yes it can be frustrating and the documentation part is about as frustrating as it gets. I built an R/C Curtiss A-12 Shrike a few years ago and I almost gave up due the the conflicting and erroneous info I had. I probably ended up at the point of just not doing anything that was most certainly wrong. After reading the rules you know you have more than the minimum amount of documentation required. The minimum is about all I have for my Hs-129 and that was enough to make the USA Team twice. My static scores were in the middle of the pack at those World Championships. You don't have to show all your documentation. The details can, and are expected to, represent the "generic" SE5. You can include the documentation for the details you really want to call attention to. Make sure you don't include any conflicting information. I would not include anything that would raise a red flag for the judges and make them wonder if that detail was "standard" on SE5's, ie., no photos of tailwheels! After having this competition experience I have asked myself what would be necessary to get better results, like perhaps a trophy at a World Championships. I think better documentation than I have put together would be a part of that. The top competitors, in R/C for sure, build models of a prototype that exists. Hence they can photograph it at a museum or their local rich guy's hanger and make the documentation 100% consistent and assure that their model is "right." Short of that probably none of us can build a model that we are really certain is accurate.
Chuck