1m balsa DLG glider with ailerons - scratch build DIY-first flight

Hi guys, this is my 1-meter DLG, scratch build with 3 channels - ailerons-flaps-elevator.
wing length 1 meter
plane length 70cm
Flying weight 118gr
Wing area 10.9 dm2
plans: https://static.rcgroups.net/forums/attachments/4/1/0/4/2/6/a11960027-209-getfile.jpeg
servo calculator: https://www.mg-wohlen.ch/tippsundtricks/technik/servoanlenkungs-simulator
wing profile: http://airfoiltools.com/airfoil/details?airfoil=ag46ct02r-il
wing material: solid balsa wing made out of 0,8x10x100 cm balsa sheet that weighted 72grams before any shaping and cutting. I have also added a 2.5mm hardwood (basswood) at the leading edge, which gives a tremendous crash resistance ability. The ailerons are 3x50 cm, made from a 0.3x10x100 cm balsa sheet of 24gr.
carbon boom: https://www.npapadakis.gr/%CE%B2%CE%B5%CE%BB%CE%B7-carbon-avalon-classic-p-2314.html?sess=j57ndm6jf839v8t6mkp5v3aqb5, 5mm outside diameter 4mm inside
3,7g servo: https://www.banggood.com/3_7g-Micro-Analog-Servo-GH-S37A-For-RC-Airplane-Helicopter-p-1116559.html?rmmds=myorder&cur_warehouse=CN
receiver: https://www.banggood.com/Flysky-FS2A-4CH-AFHDS-2A-Mini-Compatible-Receiver-PWM-Output-for-Flysky-i6-i6X-i6S-p-1214269.html?rmmds=myorder&cur_warehouse=CN
Bat: 1C, 3,7V 450mAh

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