Seamanship Techniques 2011 E Part 2 pps

... used to sleep in the fo’c’sle head area, and the banging cables tended to keep them awake. Hence they were lashed secure. The more up-to-date thinking is that if the cable is lashed the chance of ... secured when the anchor is deployed. Deck plate Doubler Underdeck frames Hawse pipe (tubular steel) Bolster (steel) ‘D’ ‘D’ represents the diameter of the hawse pipe and is at least nine times th...

Ngày tải lên: 11/08/2014, 21:21

... between the two vessels shall not make the overtaking vessel a crossing vessel within the meaning of these Rules or relieve her of the duty of keeping clear of the overtaken vessel until she ... the vessel may be expected to roll somewhat slowly and independently of the waves. The vessel will probably experience only moderate angles of roll, and the waves may be expected to break near ... the...

Ngày tải lên: 11/08/2014, 21:21

... considerable time to secure. In an emergency it may even prove impossible to secure against water pressure on one side. Regular and extensive maintenance is required on the clips to ensure they are free ... after the fire was extinguished. 148 Seamanship Techniques Dog Hinge Wedge Beam Steel bulkhead Door Dog Frame Wedge Steel bulkhead Carling beam Half frame Vertical frame Beam Vertical...

Ngày tải lên: 11/08/2014, 21:21

... use as a grease cavity. Double and treble sheave purchase blocks are of a similar construction to the single sheave, except that a partition plate separates the sheaves. They are used extensively ... RIGGING STEEL WIRE ROPE A steel wire rope is composed of three parts – wires, strands and the heart. The heart is made of natural fibre, though recently synthetic fibre has been used when resista...

Ngày tải lên: 11/08/2014, 21:21

... 300 2 2 × D 2 = 27 00 D = 27 00 Diameter of rope = 51.96 mm = 52 mm EXAMPLE 2 Calculate the size of flexible steel wire rope to use if the strees on the hauling part of the wire is 3.75 tonnes. ... be secured between legs to prevent the rig collapsing and to provide extra strength. The gyn can be erected manually when the legs are of limited length. Should the length of legs be u...

Ngày tải lên: 11/08/2014, 21:21

... side 8.5" Engine air inlet and cabin pressure relief Disengaging apparatus release handle Steering wheel Emergency filler Helmsman’s seat Engine exhaust Air bottles Marine diesel engine Sprinkler pump Hydraulic ... the senhouse slip and clearing away the securing link. Once the slip and bottle screw are released, the gripe can be passed back over the boat and the end cleared. However, so...

Ngày tải lên: 11/08/2014, 21:21

... the wheel be understood to against the swing of mean, check the the vessel, up to swing of the approx. ten degrees vessel) of opposing helm being applied to reduce the rate of swing. Eases the wheel ... differences between the construction of a flexible steel wire rope and a non-flexible steel wire rope? Ans. A flexible wire will have more wires per strand and a fibre heart running through th...

Ngày tải lên: 11/08/2014, 21:21

... and Depth Multiple echoes These are caused by the transmitted pulse being reflected several times between the sea bed and the water surface before its energy is dispersed. Such multiple reflection ... same barometric pressure. Isotherms These are lines drawn on a weather map to connect areas of the same temperature, and they may also be used to express the sea or air temperatures. 29 Speed ....

Ngày tải lên: 11/08/2014, 21:21

... Seamanship Techniques Red Green Vessel less than 50 m in length restricted in her ability to manoeuvre. Green Red, white, red, all-round lights shown where they can best be seen. Red Range 2 miles Head ... can Green Green Conical Spar Pillar Red Green Red Red Green Preferred channel to starboard, red with green stripe, and red light flashing 2 + 1 (group flashing). Green Red Green Gre...

Ngày tải lên: 11/08/2014, 21:21

... Side This term refers to that side of the vessel exposed to the wind. Seas may be seen to break over the weather side as opposed to the lee side, which is the sheltered, favoured side of the vessel. Yaw Wind ... water is not a solid medium and there is some ‘slip’ related to it. Slip may be considered as the difference between the speed of the vessel and the speed of the engine. It is always...

Ngày tải lên: 11/08/2014, 21:21