But for a bike I guess wood is not so easy to work and design. Where wood meets steel parts you have trouble, I think.
Some nice looking recumbents, build by sakari holma: http://www.flickr.com/photos/saholm/
Jukka
Nice one - and note the snakehead.
Another technique was used by the early prototypes of GregK. He simply bolted the steel parts to the plywood.