How do you measure a roller furler?
Measure down to the aft end of the track. At deck level. Measure from the forestay pin at the stem back to the shackle on the top of the furling drum with the shackle pulled up as if the sail was attached to it. At deck level.
How do you make a roller furler?
But somebody made a homemade roller furling out of PVC pipe. And however I decided to make my own come on and do a close-up here. This is a sprocket from a bicycle wheel. I cut out all the spokes.
What is a top down Furler?
To furl, a deck-level sheave driven by a looped line spins the furling cable, winding the sail around the line starting at the head and working its way to the deck, giving it the name top-down furler.
How much furling line do I need?
The length of line going on/off the drum is simply the length of the sail foot. Then you just need enough line to run back to the cockpit and a spare rope tail.
What kind of rope do you use for roller furling?
Inexpensive, double-braid Dacron is a fine choice for furling lines on most boats shorter than 40 feet. On longer boats, you can opt for a furling-line material of more esoteric double-braids with less stretch. However, any line smaller than 3/8-inch diameter is too difficult to grip.
What are four key elements needed to specify a Furler?
The basic components to a furling system include foil extrusions, a feeder, the upper swivel (in most systems-but not all), the lower drum assembly and a furling line.
What are the four key elements needed to specify a Furler?
How does a roller furler work?
In this roller furling system, the jib is hoisted in a groove, but when not in use is furled around the headstay, rather than lowered. To furl the sail you simply pull on a line that leads from a drum at the base of the jib aft to a winch near the cockpit, which rotates the whole headstay, rolling up the jib.
What is a bottom up Furler?
When it comes time to furl away the Code 0, as the furling drum starts to turn, it starts to wrap the bottom of the sail around the cable first and the furl gradually works its way up the luff of the sail – hence the expression “Bottom-up”. Furling Systems – photo © Ronstan.
What is a furling gennaker?
Top-down Gennaker Furling systems can make ripping downwind even more accessible for cruising crews and shorthanded sailors as well as as offshore and ocean racers. Gennaker furlers work by attaching an asymmetrical spinnaker to an Anti-Torsion furling cable or rope and hoisting it aloft on a halyard.
How do you attach a furling line to a drum?
How To Replace a Furling Line | Sailing Britaly – YouTube
What is the diameter of a furling line?
Establishing the Diameter
This is usually recommended by the manufacturer in the reefing manual but is effectively limited by the capacity of the drum – most reefing lines are normally 6mm, but sometimes they are 7mm (not commonly available as a line size) or on larger drums/yachts the diamater is likely to be 8mm.
How much does a boom Furler cost?
The furling drum is on the front of the mast and incorporates a manual override option. Leisure Furl produces eight models for boats from 27-70ft in aluminium or carbon. Average price ex VAT for a 45-footer: US$16,000 (approx £13,000).
How do you attach a roller furling?
Attach the furling drum to the attachment point and then attach the jib tack to the top plate on the furling drum, attach the head of the sail into the top swivel forks and then attach the halyard to the top swivel with a shackle. Hoist the sail and tension the luff.
How do you remove a roller furler?
tie off the jib halyard to the bow cleat or anchor roller. (tight) Loosen a back stay (optional), remove sail see first if the furler will lift. some are split spools, some lift (like CDI) If your doing it over water, use a box cut out and taped around the spool so you don’t loose things.
How do you install genoa on a Furler?
Putting the Genoa Jib on the Roller Furler for the 2019 Season – YouTube
How do you use a furling spinnaker?
How to install and use spinnaker furler | NS Furling Gear – YouTube
How are sails furled?
Furling refers to stowing or dousing a boat’s sail by flaking (folding), packing (like stuffing a spinnaker into a bag), or stowing it in part or whole using roller furling.
What is the difference between a gennaker and spinnaker?
In short, a gennaker has a genoa’s form (asymmetric, head and tack pinned, sheets tied to the clew) with the wide girth of a spinnaker. The gennaker is an all-purpose downwind sail, while spinnakers are built for specific downwind apparent wind angles.
How does a code zero Furler work?
The latest generation of furling Code Zeros is actually getting rid of the torsional rope all together. “Cable less” code zeros substitute custom fiber layouts (in one-off membrane sails) to take the place of the rope. These have the added benefit of not constraining the flying sail shape to the sag of the rope.
Can you reef a furling mainsail?
Furling Mainsail Advantages
A furling mainsail is easy to reef and un-reef from the cockpit while underway – a great advantage in San Francisco Bay where winds can be highly variable. There’s no need to flake and cover the mainsail when done sailing.
What is a furling boom?
A furling boom is the way to get the ease of a roller mainsail without having to buy a new mast. Several companies make booms that allow a full-batten main to be rolled into the boom.
How do you attach Genoa to Furler?
How do you change a roller furling line?