Bloody Baron Nose

I’m generally happy with the various Flite Test airplanes I’ve built. However, many of them, especially those with the engine mounted other than in the nose, are problematic structurally or visually or both. I just finished my first Bloody Baron and like all of my other DTFB planes, I performed some modifications. For one thing I used an arrow shaft for a spar with 1” wide, bare foam spacer pads, one below and one above the arrow shaft.
I stripped the paper from both sides of the foam and