How to Make Twin Motor ATR-72 600 RC Plane Part 4 and Maiden Flight

Before maiden flight, we need to finish the aircraft with few steps, like making a battery hatch door, maintenance hatch door, marking the CG position, attaching control horns and pushrods. Maiden flight was scheduled on last Saturday but failed because one of the ESC is different and causing different speed from each motor. It finally flew well on Monday and Tuesday after both ESC were replaced

#rcplane #rcairliner #diyrcplane #atr72

You can download the plans on the link below :
Part 1 : https://paper-replika.com/RCplans/PR_ATR-72_Part_1.pdf
Part 2 : https://paper-replika.com/RCplans/PR_ATR-72_Part_2.pdf
Part 3 : https://paper-replika.com/RCplans/PR_ATR-72_Part_3.pdf
Decal : https://paper-replika.com/RCplans/decal_ATR-72_citillink.pdf

Build instructions :
https://paper-replika.com/index.php/rc-foam-project/atr-72-600-rc-plane-part-4-complete

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Build Video
Part 1 : https://youtu.be/FzS4BcldR-g
Part 2 : https://youtu.be/-6JM7klQdtE
Part 3 : https://youtu.be/IUViVnkhTpY
Part 4 & Maiden : https://youtu.be/IUViVnkhTpY

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Playlist :
00:51 Battery Hatch and Cable Hatch Door
05:40 Cable, Horn and Pushrod
09:56 CG, Battery Tray and Accessories
12:09 Maiden Flight
21:02 Closing

Specs :
1. Wingspan 180 cm / 70.9 inches
2. Flying weight : 1800 gram / 63.5 oz
3. Wing loading : 46.5 g.dm2 / 15.2 oz/sq.ft
4. Wing cube loading : 7.5
5. Wing Area 38.7 dm2 - 600 sq.in

Electronics
- 2X Turnigy 2826 1400kv motor
- 2X ESC 40A
- 1X / 2X Battery Lipo 3S 2200mah / Li-ion 3S 3300 mah
- 4 metal gear 9 gram servos
- 3 plastic gear 9 gram servos
- Propeller : 7x4x3

Materials :
1. 5mm Depron/ Polyfoam
2. 3mm Plywood

Tools :
1. Covering iron https://amzn.to/38YZyMh
2. Heat gun https://amzn.to/3A1cvkR
3. Hot glue gun https://amzn.to/38XyrkY