Vehicle physics collisions lag and wheels problem - additional info for UE-81240

Development World Creation
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The problem of the physic collision lag ( Unreal Engine Issues and Bug Tracker (UE-81240) ) have two additional problems:

  1. If you will attach a skeletal mesh with “physics on” and “kinematic physics” to the car mesh (blueprint node AttachToComponent, or AttachToActor to custom socket), that attached mesh will lag MUCH more than the main mesh.

  2. If a wheel collision will collide with that attached kinematic mesh then car is launched into air/moon. It will collide with each other even when between objects is space: UE 4.23 Bug - Physic wheels collisions with kinematic attachment - YouTube

#UE-81240