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Spar vs. mast. Whats the difference? | SailNet Community The mast of a sailing vessel is a tall spar, or arrangement of spars, erected more or less vertically on the centre-line of a ship or boat Its purposes include carrying sail, spars, and derricks, and giving necessary height to a navigation light, look-out position, signal yard, control position, radio aerial or signal lamp [1]
Deck vs. Keel Stepped Masts | SailNet Community If the goal of designing a mast is to reduce bending moments within a mast, the greater the number of panels (segments between shrouds and other supports) the smaller the moments tend to be In the days when single spreader rigs were most common a keel-stepped mast added one extra panel, the segment between the mast partners at the deck and the
Mast height question - SailNet Community Mast height is almost always measured from the water But to be sure you know the how high the top of your mast is from the water, measure the actual height of the mast from the deck to the top of the halyard (tape measure) and then add a foot to account for the sheeve typically being below the actual top of the mast
creating a tabernacle from a keel stepped mast The loads, once the mast is down, are comparatively light (50-150 lbs at each support) But having the mast pivot above the deck can easily double the load on the deck and greatly increase the cost of the project by requiring the reinforcement in the deck and the lower portion of the mast (tabernacle) to be much more robust in all directions
Mast (Climbing)- No Halyards - SailNet Community The mast loops -- tied around the mast below the lowest inserted slider car -- relieve the weight and make the job easy Think of this as separating the act of lifting from the act of inserting the sliders cars
repairing cracked mast with welding | SailNet Community The mast is a proctor, which is 47' and only 6"x4" and has a good deal of flex Even with running backs secured, there is flex to some degree through the entire mast, and especially above the running backs while sailing hard to weather The mast is ~ 1 8" thick, and the plate is a good 1 16 thicker than the mast walls
Mast leaning forward (new mast step) | SailNet Community That mast is raked way, way too far forward The mast should be straight up and down (actually raked aft a little bit) and it's not even close The mast should sit on the base and not carry the weight on the pin at all The pin should just be keeping the mast step from moving fore aft
j24 Mast boot size - SailNet Community Hi, I have yet another question My mast boot is torn It is a 1984 J24 I have gone to Kenyon J 24 Mast Components And noted that there are 2 mast boots available My next step was to measure the opening From outside the collar around the hole for the mast I have measured 10 5" I
Mast stepping a Pearson 26 - SailNet Community Anyway its a temporary mast with line shrouds and a pulley, that allows you to lift the mast from its mid-point, then lower it down My bet is this is a minimum 3 person deal on a 26 footer, 1 person hauling the crane halyard, and 2 steering the mast off the shoe, and lower it down and away from the deck
Carbon mast life expectancy - SailNet Community A ding is a small dent or scratch caused when a mast bumps into something else Scratches can be particularly bad for laminate masts Also, for a cruising boat, an aluminum mast makes more sense It is easier to repair replace an aluminum mast than it is a CF one, especially in more remote areas