API BULL 2S 2nd Edition, November 1995
Design of Windlass Wildcats for Floating Offshore Structures
Includes all amendments and changes through Reaffirmation Notice , January 2001
Additional Comments: G02S02
Published By:American Petroleum Institute (API)
This publication covers cast steel wildcats as used in windlass t haul in the pay-out anchor. An associated chain stopper is used to secure the chain while the vessel is anchored or the anchor is housed. Wildcats are of the five-whelp type for use with stud link anchor chain conforming to the classification society grades 1,2 and 3, ORQ and Grade 4 chain.
Wildcat dimensions are provided for chains in integral 1/8-in. (3-mm) steps, ranging in size from 2 in. to 4 in. (51 mm to 102 mm). Wild-cat dimensions for chain in intermediate 1/16 in. (1.5 mm) steps are not provided, but wildcats in these sizes are permitted within the scope of this publication. Wildcats designed in millimeters must be compatible with chain manufactured in millimeters. Wildcats designed in inches must be compatible with chain manufactured in inches.
CAUTION: Compatibility of wildcat and applicable chain standard is necessary.
Wildcats are configured to pas detachable links oriented parallel or perpendicular to the wildcat shaft center line.