Was looking at the type of bike pulling this and found it gives one ideas.
...... Inside almost done--Trolly top has opening windows & roof.doors need assembling--pictured above waley windows..galley 1/3 done Cross Bow in Build Journals....http://www.tnttt.com/viewtopic.php?f=50&t=54108
He also builds a lot of wooden recumbent bikes & trikes.
Regards
Tom
************My Other Trailers An Airstream************ French bicycle racer, Latourneau pulled an Airstream caravan in 1947 to demonstrate how light it was.