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安裝中文字典英文字典辭典工具!
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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
- creating a tabernacle from a keel stepped mast - SailNet Community
Mast sections as cantilevers and deck partners are not strong enough to resist the high bending loads anf thrust from a large mast pushing forward as it is being lowered Eliminating the portion of the mast cantilevered above the deck keeps the mast base and king post largely in shear and axial loading, and reduces the thrust resisted by the deck
- corrosion at base of mast - SailNet Community
Hi all, As you can see from the photo, there is some nasty corrosion at the base of my mast Based on some internet searches it looks like the recommended repair is to cut away the corroded area and raise the mast step Does anyone have any other recommendations? Also, can anyone tell me what
- Mast Winch Install Rigging - SailNet Community
Hi all, I'm in the process of planning to install two Lewmar 16STs on either side of the mast of my PS 34 I've added hardware to masts before, but never winches It's a pretty stout mast, but doesn't have any built-in pads reinforced locations for winch mounting I have a few questions about
- M-16 Scow mast rigging - SailNet Community
Just joining here I have just acquired a 1978 Johnson M-16 scow and need help rigging it I understand all the lines, my main issue is getting the mast up
- What is a Deck-stepped mast and keel-stepped mast
The mast "step" is the location where the bottom of the mast is secured If this step is on the deck, the weight of the mast is usually supported by a "compression post" or weight bearing pole under the deck and transferring this force to the keel
- 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
- What type of Cement around C C Mast Step? - SailNet Community
In that regard, unreinforced portland cement is quite brittle and would likely to crack pretty quickly on the fault lines from the mast step fastenings Once cracked, the plinth is likely to buckle and allow the mast to drop, potentially causing damage to the mast or worse yet lose the rig, or damage the mast partners
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