Sawfish Harvester

Sawfish Harvester was developed as a response to a distinctive consequence of dam construction. When reservoirs are formed in areas that previously contained forests, trees may be left standing or otherwise become submerged. Although the flooded landscape is inaccessible to ordinary logging equipment, the timber can remain in usable condition underwater for long periods. This created an engineering opportunity for a machine capable of operating below the surface, cutting trees, and recovering them. Triton Logging Inc. produced the Sawfish as a submersible robotic system for this purpose. Its reported configuration uses large pincers to grasp or stabilize submerged trees and a chainsaw to sever them. The machine is also intended to help move the cut trees upward so that they can be retrieved at the surface. In contrast with conventional logging equipment, its design addresses underwater visibility, positioning, gripping, cutting, and recovery as part of one specialized operation. The available source material provides only a brief account of the product and does not document a detailed development chronology, prototype program, launch year, ownership history, commercial contracts, or later revisions. It similarly does not confirm the geographic markets in which the machine operated or whether it remains in production. The known history is therefore limited to its identification as a Triton Logging submersible robot and its intended use in recovering submerged timber from dam-created reservoirs.

A specialized underwater forestry and timber-recovery machine intended to cut submerged trees and assist in bringing the timber to the surface.

• Submersible forestry robot

  Sawfish

  The Sawfish is a submersible robotic machine designed to cut down trees located underwater and help bring the resulting timber to the surface. Its reported equipment includes large pincers for handling submerged trunks and a chainsaw for cutting. The concept targets trees flooded by dam and reservoir construction, where the wood may remain preserved underwater but cannot be reached by conventional land-based logging machinery. Detailed specifications, production history, and current availability are not established by the available sources.

1. 1Sawfish harvesteren.wikipedia.org