Trying to move a furnace engine with mechanical pistons makes the flywheel stop working, if you break it and place it again it starts working once more.

The flywheel stays like this.

This issue has been marked as stale because it has been inactive for 3 weeks. It will be closed if it remains inactive for another 3 weeks.

This issue has been closed since it has been inactive for 3 weeks since it was marked as stale.

A work around is to use fans with magma blocks to generate power.

Or a campfire. But even the fan seems to sometimes stop working.

Make sure that you are on Create 0.2.4d and may you show us the mods that you are using

Tested using only the create jar built directly from branch 1.14/release and 1.14/dev and forge v28.2.0 and v28.2.17.