Here are some build pictures with a pixhawk and FPV gear:
http://marc.merlins.org/perso/rc/post_2015-08-15_BFG2600-FPV-build-with-Pixhawk-Ardupilot-3_3-_Diamond-2500-remake-from-Hobbyking_.html
My impressions of the BFG2600?
* It's a lot of plane for the money, especially since almost fully built
* If you trash the ESC and put a good replacement one, the stock parts are mostly good enough (except maybe for the servos)
* The servo horns are stupidly fragile. no idea why they picked those. I added gorilla glue to make them stronger.
* You do need to disconnect the servo rods and move all control surfaces to free them up
* I love that the flaps are designed to go down so much, makes for easy braking and landing in smaller spots with a steep approach
* The carrying capacity is great although the cargo space is a bit more limited than you'd think considering the size (this is mostly due to all the space lost to where the wings join)
* Speaking of the wings, having to connect/disconnect and carefully route 4 servo wires each time is really a pain in the rear. Cularis had a much better connect/disconnect mechanism
* I removed the lead balls in the wings, don't need that weight. I also replaced the heavy metal rod that goes through the wings with a carbon fiber one. This gives me more weight back to carry the electronics
* As mentioned earlier, routing cables to the tail without having cables run outside of the plane is almost impossible on the prebuilt plane. Shame...
* Overall it flies great, no tip stall issues as long as the CG isn't too far back
More details on my blog post: http://marc.merlins.org/perso/rc/post_2015-08-15_BFG2600-FPV-build-with-Pixhawk-Ardupilot-3_3-_Diamond-2500-remake-from-Hobbyking_.html
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