to prevent tailstrike or paint scratch
here's an example of an tailstrike bumper on an A380 (my most fav plane)
instructions on how to fix the invisible parts problem
Step 1: click the eye icon
Step 2: click the eye icon with the L-shaped corners
Step 3: once u see the "Hidden parts list cleared", you have the vehicle/plane!
Specifications
General Characteristics
- Created On Android
- Wingspan 116.2ft (35.4m)
- Length 146.8ft (44.8m)
- Height 39.9ft (12.2m)
- Empty Weight N/A
- Loaded Weight 51,849lbs (23,518kg)
Performance
- Power/Weight Ratio 651.555
- Wing Loading 30.7lbs/ft2 (150.0kg/m2)
- Wing Area 1,688.0ft2 (156.8m2)
- Drag Points 29797
Parts
- Number of Parts 114
- Control Surfaces 5
- Performance Cost 582
To do an tailstrike (obviously is an VMU) set the airspeed to over 80 or 60kts
VMU means Velocity Minimum Unstick
Credits to @DafaAdya