dan, check out the new 1/9th scale plans by mike kramer, do a search here for b-17's his plans are 1/9th same as the don smith plans BUT alot easier to read and have 1pc fuse formers as well as build tabs on all the parts including the wings for proper washout without having to guess at anything.... also shows air tanks as well as fuel tanks and servo trays locations, he has a complete wood laser cut kit aviable soon, plans aviable now, i have a set, there awsome.... look him up nice guy, he also plans to have functional turrents as well as all plastics very soon with a scale cockpit also