Actor and their tick - performance already bad with 14 simple actor

Hello skeleton60,

Tick can be really heavy on performance load, so have a look at using rotating movement components. Here is the documentation: A new, community-hosted Unreal Engine Wiki - Announcements - Unreal Engine Forums
This is the best way to perform the action that you are trying to do, and is the lightest in terms of performance.

Have a great day,

Sean Flint