airplane concept 3d model

so heres the first rough 3d model for my concept airplane (heres the 2d-drawing: [link] )

modeled in maya and rendered in hypershot

workload about 12 hours for now (11 for modeling and 1 for the renderings)

its stil a long way to go.

pls tell me what you think so far, any suggestions?

C&C very welcome
thanks