How to Make Giant Boeing 747-400 RC Plane Part 4

I slow down a bit on this episode, I just want to share how to build the 4 dummy engines. Yes it's dummy engines, because I will use 4 pusher props. All 4 brushless motors will be placed on trailing edge on the inner segment of the wing. Why I don't use EDF, because it will be more expensive and also more heavy. I have lost a weight battle again, as I said on previous episode that I predicted the weight will be 5-6 kg, I think it will heavier, more like 7kg plus. But still can fly, I hope so. Beside dummy engines I also succeed making locking system for joining the 2 tail sections, and just need to repeat in all other segments.

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You can download the plans on the link below :
A4 Plans : https://paper-replika.com/RCplans/PR_747_400_Part4.pdf

Build instructions :
not yet available (web maintenance)

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Playlist :
00:00 Intro
02:14 Dummy Engines
11:04 Fuselage Locking System
13:39 Next Episode?

Specs :
1. Wingspan 4000mm / 157.5 inches
2. Flying weight : target 7500 grams
3. Wing loading :
4. Wing cube loading :
5. Wing Area :
6. CG :

Electronics
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Materials :
1. 5mm + 3mm Depron/ Polyfoam
2. 3mm Plywood
4. hot glue, foam-safe glue, CA glue
5. packing tapes https://amzn.to/3ttYTMp

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