CDI

Flexible Furler FF4 (Max Headstay: 33')

Name: Flexible Furler FF4 (Max Headstay: 33')
Brand: CDI
SKU: CDI-FF4
Price: 995.0 USD
Availability: InStock

$995.00 USD

Sale Sold out

Shipping calculated at checkout.

Ball Bearing Option Standard Bearing Add Ball Bearings

Product variants

Item Number	Reefs	Battens	Price	Availability	Cart
CDI-FF4	Standard Bearing		$995.00	Available	Add To Order
CDI-FF4B	Add Ball Bearings		$1,185.00	Available	Add To Order

Quantity

Description

The CDI Flexible Furler can be used to reef and furl your sail in any wind conditions. CDI has simplified the design, increasing the system's reliability while lowering costs.

Save 10% when you bundle with a Roller Furling Headsail.

Your sailboat deserves a reliable furling system that makes your sailing experience safer and more enjoyable for many years to come.

The Flexible Furler is designed to fit over your existing forestay and can be used to both reef and furl your sail in any wind condition.
We simplified the design and increased it’s reliability over the years.
A #6 luff tape in the luff of your sail is usually all that’s required to use one of our systems.
Zero maintenance, just rinse with fresh water 1-2 timers per season.
New 10-Year Warranty On New System Purchases

Technical Details

Max Forestay: 33'
Max Wire Size: 7/32"
Turnbuckle Size: 1/4"-3/8"
Luff Dimensions: 0.92 X 1.8"
Drum Diameter: 5.8"

Measuring Sails

Warranty and Returns

Product Specifications

Luff: 33.0 Feet

Leech: Feet

Foot: Feet

Luff Type:

Foot Type:

Material: ounce

View full details

Size Chart

STORM JIB
Boat Size	Code	Sail Type	Luff	Leech	Foot	Cloth (oz)	Sq. Ft.
20-23	SJ12.0	Storm Jib	12,0	9,0	6,0	6	28
24-26	SJ14.0	Storm Jib	14,0	10,5	6,9	7	36
26-28	SJ16.0	Storm Jib	16,0	12,0	7,6	8	48
29-32	SJ18.0	Storm Jib	18,0	14,0	8,6	8	62
33-35	SJ20.0	Storm Jib	20,0	16,0	9,6	8	77
35-39	SJ22.0	Storm Jib	22,0	17,5	9,6	8	86
40-43	SJ24.0	Storm Jib	24,0	19,0	10,3	9	100
44-47	SJ26.0	Storm Jib	26,0	20,5	11,0	9	115
48-50	SJ28.0	Storm Jib	28,0	22,5	11,9	9	132
50-55	SJ30.0	Storm Jib	30,0	23,6	12,6	9	145

GALESAIL
Boat Size	Code	Sail Type	Luff	Leech	Foot	Cloth (oz)	Sq. Ft.
20-30	GS12.0	Gale Sail-Jib	12,0	8,0	5,5	7	30
30-35	GS16.0	Gale Sail-Jib	16,0	12,5	8,0	8	60
36-41	GS20.0	Gale Sail-Jib	20,0	16,0	10,0	9	100
42-50	GS23.0	Gale Sail-Jib	23,0	18,0	12,0	9	150
51-55	GS31.0	Gale Sail-Jib	31,0	21,0	16,0	10	200

TRYSAILS
Boat Size	Code	Sail Type	Luff	Leech	Foot	Cloth (oz)	Sq. Ft.
20-30	TRI14.0	Storm Trisail	14,0	16,6	7,0	8	50
30-35	TRI16.0	Storm Trisail	16,0	19,0	8,3	8	66
35-38	TRI18.0	Storm Trisail	18,0	21,5	9,3	9	86
38-41	TRI20.0	Storm Trisail	20,0	23,5	10,3	9	110
42-45	TRI22.0	Storm Trisail	22,0	25,5	11,5	9	124
46-50	TRI24.0	Storm Trisail	24,0	29,0	12,5	9	150
50-55	TRI26.0	Storm Trisail	26,0	30,5	13,5	10	160

A-SYMMETRICAL (CRUISING SPINNAKERS)
Size	Forestay Length	Sail Area (sq ft)	Luff	Leach	Foot	Mid-Girth	Cloth (oz)
0	27.4 - 29.5	313,2	28,5	25,6	13,1	12,8	0,75
1	29.6 - 31.9	387,5	30,8	28,2	14,6	25,6	0,75
2	31.8 - 34.3	461,7	33,1	30,2	16,4	25,6	0,75
3	34.0 - 36.7	532,8	35,4	32,0	18,0	25,6	0,75
4	36.2 - 39.1	613,5	37,7	34,1	29,0	18,3	0,75
5	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
6	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
7	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
8	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
9	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
10	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
11	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
12	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
13	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
14	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
15	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5

SYMMETRICAL (SPINNAKERS)
Size	Boats "I" Dimension	Min "J" Dimension	Sail Area(sq ft)	Luff	Leach	Foot	Mid-Girth	Cloth (oz)
0	27.4 - 29.5	313,2	0	28,5	25,6	13,1	12,8	0,75
1	29.6 - 31.9	387,5	30,8	0	28,2	14,6	25,6	0,75
2	31.8 - 34.3	461,7	0	33,1	30,2	16,4	25,6	0,75
3	34.0 - 36.7	532,8	35,4	32,0	18,0	25,6	0,75
4	36.2 - 39.1	613,5	37,7	34,1	29,0	18,3	0,75
6	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
7	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
8	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
9	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
10	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
11	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
12	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
13	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
14	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
15	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5
15	38.7 - 41.8	693,1	40,4	36,8	20,2	19,4	1,5

CDI - FLEXIBLE FURLERS
Unit	Boat Size	Max Forestay Length	Max. Forestay Diameter	Maximum Turnbuckle	Sail Area
FF1	Under 20'	21'	1/8"	1/4"	90 Sq ft
FF2	20-24	29'	3/6"	5/16"	170 Sq ft
FF4	23-27	33'	7/32"	3/8"	400 Sq ft
FF6	26-28	39'	1/4"	3/8"	400 Sq ft
FF7	27-32	47'	1/4"	1/2"	400 Sq ft
FF9	30-36	53'	5/16"	1/2"( most 5/8")	900+ Sq ft

PROFURL
Unit	Boat Size	Max Forestay Length	Max. Forestay Diameter	Max Clevis Pin	Sail Area
C260	Under 22'	28'	3/16"	NA	160
C290	22-30"	40'	1/4"	3/8"	320
C320	30-36"	46'	9/32"	1/2"	430
C350	25-41"	46'	5/16"	1/2"	59
C420	40-45"	60'	3/8"	5/8"	860
C430	42-55"	60'	1/2"	3/4"	1075
NC32	24-34"	40'	9/32"	3/8"	400
LC32	28-36"	46'	5/16"	1/2"	430
NC42	37-42"	52'	3/8"	5/8"	760
LC42	40-50'	60'	1/2"	5/8"	860"

Image with text

Pair text with an image to focus on your chosen product, collection, or blog post. Add details on availability, style, or even provide a review.

Free Shipping
Pair text with an image to focus on your chosen product, collection, or blog post. Add details on availability, style, or even provide a review.
Hassle-Free Exchanges
Pair text with an image to focus on your chosen product, collection, or blog post. Add details on availability, style, or even provide a review.

Flexible Furler FF4 (Max Headstay: 33')