Your problem was when you mirrored the design it would add another engine on top of the engine making it overpowered, incorrectly weighted and it makes it a damn annoying thing to fix. Heres the fixed version.
Specifications
General Characteristics
- Created On iOS
- Wingspan 33.4ft (10.2m)
- Length 54.6ft (16.6m)
- Height 15.1ft (4.6m)
- Empty Weight 20,761lbs (9,417kg)
- Loaded Weight 46,050lbs (20,888kg)
Performance
- Power/Weight Ratio 1.464
- Wing Loading 132.3lbs/ft2 (645.9kg/m2)
- Wing Area 348.1ft2 (32.3m2)
- Drag Points 3424
Parts
- Number of Parts 75
- Control Surfaces 5
- Performance Cost 470
Hey thanks I forgot to tell everyone but i fixed it by adding more gyros thanks anyway!!