Has taken a while before I knew it but it turns out that the GH2 when monitoring trough the HDMI output each time it switches back from 720P (50fps) to 1080i (25 fps) so I've decided to install a 2nd camera in the form of a VTL 600 from Sony, now I can finally shoot in 720P (50fps)
Because I was curious whether there will also fit 2x a 4S 5000mAh lipo's in the lipo box I had ordered 2 lipo's and today I converted them to a 4S 2P 10.000 mAh pack, it fits perfect and later on we will see what this gives to the flight time difference.
Heared a lot of good things about sketchup but never had time to really deal with it , but i think ill give it a try next week.
thanks a lot for your quick reply!