Here is the local newspaper's coverage of the supersonic trebuchet (Manitoulin Island, northern Lake Huron in Canada): https://www.manitoulin.com/island-engine

Here is the local newspaper's coverage of the supersonic trebuchet (Manitoulin Island, northern Lake Huron in Canada): https://www.manitoulin.com/island-engineer-designs-supersonic-siege-engine/ https://www.manitoulin.com/island-engineer-designs-supersoni...