I thought I'd share my thoughts that I've posted on a Shogun forum:
I only hope that Global finally gets the message and puts out a proper V3 Shogun soon, otherwise, they really will be history! I've noticed that all suppliers seem to have plenty of V2 Shoguns in stock, but not a lot of V2 spares, I might add.
There was really nothing wrong with their V1 shogun, if you were using their soft stock 400 brushed motor, and ran it at 2000 rpm headspeed. Problems started when you went brushless and pushed up the headspeed to 2400 rpm, for a bit of 3D fun.
The main weak links came from the soft main shaft, poor tail case and tail rotor bearings and weak tail hex shaft. At higher rpm's this causes a lot of vibrations, which ends up eating up a lot of input gears. The simple solutions are to upgrade these parts; hardened main (V2 now has this) and tail rotor shafts, better quality tail and tail rotor bearings, an extra bearing or two on the boom, and as I've found out, a stiffer carbon boom helps a bit as well.
These are the minimum upgraded needed to do a bit of 2400-2500 rpm 3D and could easily be fixed by Global, who could afford to supply these upgrades, by simply not including (like Align) a stock 400 brushed motor. Like Align, they also could have included a few extra pinions, to accomodate different motor set-ups as well (maybe an 8, 9, and 10T for 2.3mm motor shafts, and 11, 13,15T ones for 3.17mm motor shafts). Better quality wood blades, like Align's, would also be better than Global's foamies.
These are the minimum things they (Global) should have addressed in their V2 heli. Their belt drive has done nothing that simply lengthening the tail fin could have done (to keep to tail rotors out of the grass) and now has made it more complex, and reduced it's power efficientcy and response (~10%) to boot.
Also, as an aside,I think that toughened bevelled input gears (above the one driving the main gear) might help as well.
It's really too bad, since they (Global) had a big edge over the intiial trex's, which really were pretty bad. The new Trex XL CDE's are so much better, out of the box, that there is no contest at this point in time.
I'll continue to fly and enjoy both heli's for now, but when my shogun/zap bites the dust nexr time, I'll probably retire it.
This is not to say the CDE is perfect. IMO Align needs to get rid of the driven tail (so you can at least have a chance of an autogyro) and look at going to a more efficient shaft drive as well (why do you think that all competative +60 helis, use a tail shaft?). Their canopy needs a minor re-design as well to accomodate a bit more room to avoid servo linkage rubbing.
Nothing's perfect in this old world, but all things can improve with a little effort. In fact, they are improving all the time. I remember my old Kyosho EP Concept that I flew a few years ago, and I'm sure that a few of you have had similar fustrating experiences with other, old designs.
Overall, the future of electric heli's (of all sizes) is looking great!