I've recently been working on a 280-size versacopter drone. Here are some pictures:

                                                            Here is a view of the body

                                   These pictures show the ESCs and the battery connections

                                                   Here are my Emax motors I am using:

                                                           Another view of the body:

                                           Here is my FCB(flight control board), the Naze32

                                                 Here are the connections and solder joins:

  Here are two receivers I used. None were compatible with the Naze32. Back to the drawing board!