Hey bubba .. I rarely poke my nose in here any more .. but for what ever it is worth:
The first time you showed this to me .. it was a bit more "squared" so to speak ... and defiantly had the "Klingon" flare to it.
This current review does very strongly resemble much of the "bird" like characteristics which does now very strongly suggest Romulan origin or influence.
IMHO .. for Fed (depending on the era) the "wings" would be either square with the body .. or swept back. The nacelles would be cylinder shape, rectangular , tear drop .. or intergrated (again depending upon the era)
Actually I always thought it would be cool to ummm "borrow" an idea from "Buck Rogers" ... and see what ya wwould come up with !
That said ... the model looks cool and if ya want me to texture ... I'd be happy to do it for ya in what ever race classification you choose.
thanks