Ed, the one at Ezell (the Brewster) isn't a birdcage variant. It has the later canopy with extra bracing, same as used on the F4U-1A. It should be flying very soon and I think Oshkosh is probably likely - it sounds like the owner will have some of his Warbird there this year. Vulture's Row has a Facebook page with a number of progress reports on the Birdcage Corsair (they also have a some other Corsair projects underway):
https://www.facebook.com/vulturesrowaviation/Here are a couple photos from Ezell taken a few weeks ago, both including the Brewster Corsair (trainer/State-side markings, "L69"):
https://scontent.ffcm1-2.fna.fbcdn.net/ ... e=5BAC6093https://scontent.ffcm1-2.fna.fbcdn.net/ ... e=5BA2C19B