I built this crate for a ducted fan (BVM Viper)
Code:
http://www.flyingeaglesrc.com/index.php?option=com_smf&Itemid=84&topic=107.0
There are several good resources on the web for building and shipping larger planes. If you go above a certain size then you have to ship it by freight or via air which usually requires a vist to your local airport.
Stuart