Fitting the bulkhead former is the hardest part of the build. You are tempted to push the former in so the shroud is touching all sides of the former.
If you push too hard the sharp former sides will push out and distort the outside of the shroud. You'll see the interior bulkhead shape from the outside of the finished model! The glue softens the card stock and makes the raised ridge even worse.
Don't push the former in too hard in the first dry fits!
The first picture shows the rounded sides making contact against the shroud wall. These can be trimmed back for a softer fit.
Round off the corners and try the fit again. Repeat!
In the end, here's the best fit I could get.
Notice at the top and sides that the shroud wall is slightly raised, not touching all the way around the former bulkhead. I didn't want to push too hard and distort the card stock.
That's exactly what I did wrong on my X-RV. The .PDF files for multiple Bugs are waiting on my laptop for an order of cardstock, printer ink and nosecones.
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