RULE 11: Application Rules in this section apply to all vessels in sight of one another. RULE 12: Sailing vessels When two sailing vessels are approaching one another, so as to involve risk of collision. One of them shall keep out of the way of the other as follow: when…
SECTION I – CONDUCT OF VESSELS IN ANY CONDITION OF VISIBILITY RULE 4 : Application. Rules in this section apply to any condition of visibility. RULE 5: Look-out. Every vessel shall at all times maintain a proper look-out by sight as well by hearing as well as by all available…
RULE 1 – Application The abovementioned rules shall apply to all vessels upon the high seas and in all waterways connected therewith, navigable by seagoing vessels. Appropriate authorities may make special rules for harbours, roadsteads, rivers, lakes or inland waterways connected with the high seas and navigable by seagoing vessels,…
All of the above tackles/purchases are designed to increase the power utilised to the effect achieved. Because of friction between the ropes and sheaves, the actual (theoretical) weight lifted can be roughly calculated as being: Weight + (1/10 x weight) for each sheave. The mechanical advantage gained can be found…
Purchase. A purchase is a combination of blocks or pulleys rove with a rope, wire or chain. Tackle. A tackle is a purchase consisting of a rope rove and through two or more blocks, in such a way that any pull applied to the hauling part, is increased by an…
In order to lift heavier weights, a system of blocks and tackles was gradually introduced. Originally they were made out of wood, but as the loads got heavier and they had to withstand harder work they were made out of steel. It is very rare these days to find a…