Made to measureIllustration. Yours is cut to this boat’s measurements.Cloth
Battens
Build time
Express +8%, economy 5.5% off. Shown as its own line in your cart.
A$5,933.40
inc GST
CSY 51 Sails Prices, sail sizes & rig dimensions
8 products cut or sized for this boatI 17.53 · J 6.61 · P 15.39 · E 5.49 mPrices checked 22 Oct 2026
Made to measureIllustration. Yours is cut to this boat’s measurements.
Made to measureIllustration. Yours is cut to this boat’s measurements.Cloth
Size (LP)
UV cover colour: Captain Navy
Build time
Express +8%, economy 5.5% off. Shown as its own line in your cart.
A$8,990.30
inc GST
Sized for this boatRacing with a pole? Symmetric spinnakers from A$1,448.70
Asymmetric spinnaker
Asymmetric Spinnaker · Size 12 (148 m²)
Matched to the CSY 51 fore-triangle · 1.5 oz nylon · 11 colours
Spinnaker cloth colour: White
Sock outer tube
Sock inner tube
The sock goes in your cart as its own line, linked to this spinnaker.
A$4,249.30
inc GST
Fits the Size 12 spinnaker
Dousing sock
Spinnaker Dousing Sock · 18.4 m
UV-resistant ripstop nylon sock to hoist and douse the spinnaker from the deck
Outer tube
Inner tube
A$1,200.10
inc GST
OSR max 15.4 m²Luff attachment
Luff tape relies on a foil, so it does not meet the OSR luff-attachment rule. Choose hanks or wrap luff for offshore racing.
A$1,391.50
inc GST
OSR max 14.8 m²
Luff hardware
Tell us your track size after you order.
A$1,250.70
inc GST
Fits a 5.49 m boom
Canvas
Colour
A$657.80
inc GST
Fits a 5.49 m boom
Canvas
Lazy jacks
Colour
A$1,224.30
inc GST
Get the price list
Every CSY 51 price on one printable page: mainsail and genoa in each cloth, the spinnaker, sock, storm sails and canvas, plus the rig dimensions.
Not ready to buy yet?
CSY 51 rig dimensions
| Measurement | Metres | Feet |
|---|---|---|
| I (fore-triangle height) | 17.53 | 57.5 |
| J (fore-triangle base) | 6.61 | 21.7 |
| P (mainsail luff) | 15.39 | 50.5 |
| E (mainsail foot) | 5.49 | 18.0 |
| Mainsail area | 49.4 m² | 532 ft² |
| Fore-triangle area | 58.0 m² | 624 ft² |
| Length overall (approx.) | 15.54 | 51 |
We confirm your measurements before anything is cut.
CSY 51 sails: questions
How much is a new mainsail for a CSY 51?
From A$5,933.40 in Dimension-Polyant Optimum Cruise with 3 leech battens and a full-length head batten, or A$6,178.70 with 4 full battens. C-Breeze, the long-life cloth, starts at A$7,714.30. Every mainsail is cut to the CSY 51 rig (P 15.39 m, E 5.49 m) with two reefs.
What size genoa does a CSY 51 need?
We build 110% to 150% LP for the standard rig (I 17.53 m, J 6.61 m). Pick a smaller genoa for a windy home port and a larger one for light-air sailing. Furling genoas start at A$7,011.40.
What size spinnaker fits a CSY 51?
A Size 12 (148 m²) asymmetric suits the CSY 51 fore-triangle. It starts at A$4,249.30, or A$5,449.40 with a dousing sock.
What size storm jib and trysail fit a CSY 51?
The Offshore Special Regulations cap a storm jib at 5% of I squared (15.4 m² here) and a trysail at 17.5% of P × E (14.8 m²). That makes our Maxi (12 m²) storm jib and Large (10.8 m²) trysail the right sizes.
How do I check my boat matches these measurements?
Measure I, J, P and E and compare them with the rig table. We confirm every measurement with you before the sail is cut.
From the same loft
Racing offshore or heading somewhere remote?
For a race programme, a Sydney to Hobart or a bluewater expedition, our sister loft Kraken Sails designs laminates, membrane sails and storm wardrobes for the hard end of sailing.