Just seen recently where you were also building the Storch. Awesome! First one that got me into FT planes. Super floaty and easy to fly. Build process wasn't bad...it was just big!
What
@nhk750 just shared is golden in terms of wing reinforcement. The trailing edge of the wing over top of the fuse definitely needs reinforcements. If not, the pressure of the rubber bands will bend it. I ran 2 dowels into the wing (like in the pictures), and then glued an extra sheet of foam over top of it.
The landing gear is one of those love it or hate it type of thing. By all means try it first to see what you think. A majority (myself included) usually end up changing the landing gear. This is what I have done to mine recently:
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This is a video I did in 2017 flying the Storch. I am kinda thinking I didn't follow the throw gauge and just dialed in some general settings for throws...so it may be a tad more extreme than the recommended settings (I honestly don't remember). It rolled pretty nicely IMO.
Just ran standard 4 channel setup at the time. I've been digging it back out and doing some other mods to it. One was the landing gear, the next one is adding flaps. It's a good flying plane!