FPW Models has released a 3D printed Pratt & Whitney R-1340 Wasp D in 1:32 scale
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/p-w-r-1340-wasp-d-engine-released
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/p-w-r-1340-wasp-d-engine-released