Basically it's birch veneer, glue, screws, patience, metal where it had to be.
Then add imagination to build it, guts to take the risk of fortune and reputation,
and money even if you know it may never go into production.

Hughes H-4 Hercules
The Spruce Goose and the Aviation Building
The Evergreen Aviation & Space Museum
McMinnville, Oregon



(Pam is in there too but not to scale! She is small but mighty!)