 The machinery arrangement " provided good dispersal of the machinery spaces , but at the cost of very long runs for the wing shafts ( ca . 105 meters ( 344 @.@ 5 ft ) ) " . The turbine compartments for the wing shafts were located forward of boiler room No. 1 and aft of the No. 2 turret magazines . The engine room for the center shaft 's turbine was between boiler room No. 2 and No. 3 . This meant that the wing propeller shafts had to run underneath the boilers . 
