Caldwell's Screw Tug Design |
Contents
Introduction | 1 |
Classes of tugs | 4 |
Wetness estimation chart | 9 |
Copyright | |
54 other sections not shown
Common terms and phrases
amidships angle approved arranged barge beams bilge blade block coefficient bmep bollard pull bridge bulkhead bulwark calculation capstan carried cavitation centreline Chart for Type coefficient constant deck deckhouse diesel diesel engine draught engine room estimated factor fairlead feet Figure fitted fore formula forward Free running free speed freeboard gearbox give given hook horsepower hull hydroconic inch diameter keel knots Kort nozzle length Lloyd's machinery main engine mast method moment of inertia naval architecture necessary normal normal force obtained pipes pitch ratio plate possible propeller d a r pump radius rail resistance revolutions rope screw shaft ship side space stability steel stern suitable tank teak thickness thrust tons torque tow-hook tow-rope towing trials tugs of class tumblehome two-stroke Type B propeller usually valves vessel Voith weight welded windlass