pi314159265358978 | Minecraft: Active Flying Machines (Sort of broken in 1.14+) @pi314159265358978 | Uploaded 6 years ago | Updated 2 hours ago
Important: From 1.14+ observer-observer clocks are no longer reliable when reloaded. The clock can lose the update and just turn completely off.

Terminology:
- Active engine: an engine containing clock that runs even when the engine is stopped
- Reload resistance: a property of a flying machine that always restarts when reloaded
- Collision resistance: a property of a flying machine that always continues when an obstacle disappears

Something from the history:
youtu.be/wECePU2ej9M
youtu.be/n170tEogZwM
youtu.be/kGoZEhIDGdw