Movement
Most cradles with steel wheels can only be transported in the longitudinal direction of the cradle. The empty cradle that is shown here is equipped with wheels that can be rotated in the transverse direction, so that the ship can be transported also over rails in the transverse direction.
The fishing boat in the picture can also be transported in the longitudinal as well as the transverse direction. In this case a transverse carriage is used between the cradle and the rails on the shipyard.
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Read more about this topic: Ship Cradle
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