Drachinifel recalls a photograph of HMS Belfast's engine room showing a control labeled as a clutch. Its accompanying notice warns against engaging or disengaging the clutch above 200 rpm. The photograph was offered against a claim that warships with geared turbines did not have clutches. Belfast's equipment provides a specific counterexample, and the operating notice adds a limit on how that equipment should be used.
Notable Point · 1:29:32-1:30:22
HMS Belfast's clutch and its 200 rpm operating warning
A recalled machinery photograph places a clutch aboard a geared-turbine warship and records its operating-speed restriction.