RE: Hacking a GP US40+ kit
Hmm... I asked for that, didnt I?
I dont think slowing down is dependant on engine size or power here. I recollect I used to fly on as low power as possible in tose days. The first time I took the airplane to the field, it was too fast for me to fly on my own. Subsequently I had engine issues and I didnt take that particular airplane for a few months. When I flew the airplane a second time, I had a 'restored' engine in it. I had a more experienced club member fly it and he reported it was a 'hot' lander. I recollect he used a lot of rudder at landing to keep it on track.
Those days, I didnt have as much experience flying faster airplanes, so they wouldnt let me take-off or land this one, just circuit it. But I do remember that it was fast enough that I couldnt relax on the downwind circuit (when I wouldnt loop or roll). In fact, I dont think I even rolled this airplane ever. I could do all the standard aerobatic moves with my trainer though.
So looks like its a consensus that thickening the wing is not going to help.
Like I said, this was my first build and I had used all my cheapest stuff on it... standard servos, y-harnesses, foam wheels, etc. I never took the next step though...and I dont intend to go any better now. Issue is that if I do deadstick into the water, I shouldnt lose any of my prized equipment. My 6EX didnt have flap mixing, my 9c does but I dont intend to make the setup more complicated by adding flaps to the mix. Its just want a cheap easy flying airplane thats 'disposable' if you dont mind the term
In those days, I wasnt much into detailed aircraft setups- so I didnt check the weight. I dont remember regarding the CG but it would have been in the ballpark as per the manual, I had added nose weight in the tank section to achieve that.
Right now, the airplane is stripped down to replace the covering. I need to take a call whether its worth re-covering or whether I should build the GP Extra 60 instead. The Extra gives me more options as it can serve as a home for my dle20 also
Ameyam