Harken Winch Sizing & Ordering Chart (PDF)

SELECTION GUIDE

Harken's winch sizing chart: the right winch size for genoa, mainsail, spinnaker and staysail jobs from your sail areas and I, J, P, E, plus the drum material and handle choices.

DocumentHarken Winch Sizing & Ordering Chart

FormatPDF · 1 page · 0.3 MB

LanguageEnglish

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Sizing Chart Rig Dimensions Ordering Products

Sizing Chart

Find the job, then the first winch size whose limit covers your boat. Sail areas use the formulas in the header; I, J, P, E and I₂ are your rig dimensions.

Winch size	Genoa sheet max area (I×J×.5)	Genoa halyard max I	End-boom mainsheet 4:1, max area (P×E×.5)	Main halyard max P	Reef max P	Spinnaker sheet max area (I×J×1.8)	Spinnaker halyard max I	Topping lift / foreguy max I	Staysail halyard max I₂
6	75 ft² 7 m²	25 ft 7.6 m	—	25 ft 7.6 m	34 ft 10.4 m	500 ft² 46.5 m²	25 ft 7.6 m	35 ft 10.7 m	25 ft 7.6 m
8	115 ft² 10.5 m²	36 ft 11 m	150 ft² 14 m²	32 ft 9.8 m	40 ft 12.2 m	800 ft² 74 m²	36 ft 11 m	44 ft 13.4 m	37 ft 11.3 m
15	135 ft² 12.5 m²	39 ft 12 m	194 ft² 18 m²	34 ft 10.5 m	43 ft 13 m	893 ft² 83 m²	39 ft 12 m	47 ft 14.2 m	39 ft 12 m
20	155 ft² 14.5 m²	42 ft 12.8 m	230 ft² 21 m²	38 ft 11.6 m	46 ft 14 m	975 ft² 91 m²	42 ft 12.8 m	50 ft 15.2 m	42 ft 12.8 m
35	225 ft² 21 m²	48 ft 14.6 m	335 ft² 30 m²	43 ft 13.1 m	53 ft 16.2 m	1135 ft² 105 m²	48 ft 14.6 m	56 ft 17 m	48 ft 14.6 m
40	270 ft² 25 m²	54 ft 16.5 m	410 ft² 38 m²	49 ft 14.9 m	57 ft 17.4 m	1240 ft² 115 m²	54 ft 16.5 m	61 ft 18.6 m	54 ft 16.5 m
46	365 ft² 34 m²	69 ft 21 m	625 ft² 58 m²	64 ft 19.5 m	73 ft 22.2 m	1530 ft² 142 m²	68 ft 20.7 m	78 ft 23.8 m	69 ft 21 m
50	390 ft² 36 m²	73 ft 22.2 m	700 ft² 65 m²	68 ft 20.7 m	78 ft 23.8 m	1750 ft² 162 m²	74 ft 22.5 m	82 ft 25 m	73 ft 22.2 m
60	525 ft² 49 m²	82 ft 25 m	850 ft² 79 m²	80 ft 24.4 m	92 ft 28 m	2200 ft² 204 m²	85 ft 25.9 m	98 ft 29.9 m	82 ft 25 m
70	590 ft² 55 m²	86 ft 26.2 m	1000 ft² 93 m²	85 ft 25.9 m	97 ft 29.6 m	3000 ft² 279 m²	91 ft 27.7 m	108 ft 33 m	86 ft 26.2 m
80	950 ft² 88 m²	100 ft 30.5 m	1350 ft² 125 m²	102 ft 31.1 m	—	—	105 ft 32 m	—	—

If You Don't Know Your I, J, P, E

Harken's Typical I, P and Typical J, E graphs plot rig dimensions against boat length (30–55 ft) for fractional and masthead rigs. Read them from the chart below; for real sizing use your sailmaker's or the designer's numbers.

Harken typical I, P and J, E rig dimension graphs

Material, Speed & Handle

Drum material	What Harken offers
Aluminium	Radial in 1-, 2- and 3-speed, self-tailing or plain-top; classic single-speed plain-top sizes 6 and 8; 2- and 3-speed self-tailers 980 and up in aluminium or aluminium/stainless.
Chrome	Radial with chrome drums and black or white composite bases and tops, 1-, 2- and 3-speed self-tailing; all-chrome Radial (chrome base, drum and top), self-tailing or plain-top.
Stainless steel	Stainless bases, drums and tops; 2- and 3-speed self-tailing; 4-speed in some larger sizes.
Bronze	Radial in 1-, 2- and 3-speeds, self-tailing or plain-top.
Carbon fibre	2- and 3-speed self-tailing or top-cleating.

Handles: plain or lock-in, in chromed bronze, bronze and aluminium, Speedgrip and standard styles, in 203 and 254 mm (8 and 10") lengths. For large cruising, Megayacht, Grand Prix and hydraulic winches, Harken asks you to contact them directly.

Need a part that isn't listed? Ask us to source it and quote the part number from the PDF.