More reminiscent of a Nivex or Altenberger perhaps to me. I always thought this style of mounting made as much or more sense than the derailleur hanger from the bottom of the dropout. It should work just fine.
>
> Seems them cool Cyclo derailleurs have been some inspiration for a
> 3.8kg lightweight at Eurobike.
>
> http://www.cyclingnews.com/
> GF7U9527
> Ben Kamenjas