It's interesting that the exhaust merges, bifurcates and re-merges. Did you notice all of them with the shiny side up have a fence from the rollcage to the spoiler, on only the left?
http://justacarguy.blogspot.com/2017/04/the-model-seaplane-belonging-to-mr.html
http://rollerman1.tumblr.com/post/159809450089/hudson-chris-craft
One more for a trifecta.
Edit: Maybe we need a thread for aerodynamic wooden boats?
http://rollerman1.tumblr.com/post/159947184084/burninghydrocarbon
It's worth checking out the other 8 pictures. It was re-blogged from
http://burninghydrocarbon.tumblr.com/post/156759352612
It appears to be wood over an aluminum or fiberglass hull with coaming and character lines in the wooden deck; but there is no information to follow up. Prolly my new favorite boat.