Originally Posted by ttpete
Ours were 3000 hp each, and drove a single shaft with 2 pinions on one bull gear and had electric clutches. Maneuvering combination was one engine running ahead and the other one astern and selecting direction via clutch engagement. We never had any big problems with them.
This is on the GSF Explorer origanly built by Howard Hughes to to pick a Russian sub up off the ocean floor with a claw. It was converted in the late 90s to a deep water drill ship