One Design · Keelboat
X One Design (XOD) parts, rigging and specifications
Also known as: XOD
The X One Design (XOD) is a keelboat one-design class designed by A. Westmacott, with a published length overall of 20 ft 8 in (6.31 m). MAURIPRO lists 1 part for the X One Design (XOD) below, grouped by system, with live prices and stock.
- Keelboat
- 1 parts
- 9 published figures
Your X One Design (XOD) at MAURIPRO
What you can do on this page.
Shop X One Design (XOD) by system
X One Design (XOD) parts
Prices and stock are live from our catalogue.
Genoa lead block · Schaefer chart, L.O.A. up to 27 ft [dimensions from X One Design Class - Class Constitution & Rules 2026, D.3.2 Dimensions]
Sized with: Schaefer hardware usage chart
Schaefer Stand up Spring Loaded - Lined Slide - Aluminum - For: 1.0 in (25.0 mm) T-Track
Parts marked "Sized for this boat" are chosen from the manufacturer sizing guides published on our Selection Guides pages (Harken winch chart, Forespar pole guide, Harken mainsheet guide, Schaefer hardware chart) using the published dimensions of the X One Design (XOD). They are not specified by the class rules; check your class rules for limits before racing.
X One Design (XOD) specifications
| Specification | Published figure | Source |
|---|---|---|
| Length overall (LOA) | 6309mm [20ft 8 3/8in] | 'X' One Design Class Association - XOD Class Constitution and Rules 2026 |
| Length overall (LOA)Class max/min overall length, boats built since 1945 | Not exceed 6321mm [20ft 8 7/8in] ... or be less than 6296mm [20ft 77/8in] | 'X' One Design Class Association - XOD Class Constitution and Rules 2026 |
| Waterline length (LWL)Design Waterline, general information | 5213mm [17ft 1 1/4in] | 'X' One Design Class Association - XOD Class Constitution and Rules 2026 |
| BeamMax Breadth | 1803mm [5ft 11in] | 'X' One Design Class Association - XOD Class Constitution and Rules 2026 |
| DraftDraught to DWL, general information | 914mm [3ft 0in] | 'X' One Design Class Association - XOD Class Constitution and Rules 2026 |
| Sailing weight (all up) | 1304 kg (2,870 lb) | 'X' One Design Class Association - XOD Class Constitution and Rules 2026 |
| BallastCast iron keel weight including keel bolts, nuts and washers | Not less than 635kg [12.5cwts] nor more than 660kg [13cwts] | 'X' One Design Class Association - XOD Class Constitution and Rules 2026 |
| CrewMaximum persons on side deck/coaming whilst racing | Three without a weight limit, or four with a maximum weight limit of 285kg | 'X' One Design Class Association - XOD Class Constitution and Rules 2026 |
| DesignerBoat Designer | A. WESTMACOTT, M.I.N.A., 1867 - 1936 | 'X' One Design Class Association - XOD Class Constitution and Rules 2026 |
Figures are shown as each source publishes them, with the other unit converted. Class rules set the measurements that count for racing.
X One Design (XOD) tuning guides
- XOD Class Association: XOD Tuning & TacticsVersion 2016 · 7 pages
- Sanders Sails: Understanding the Sanders XOD Sail WardrobeVersion 2025 · 2 pages
Tuning guides belong to the sailmakers that publish them. MAURIPRO does not host or reproduce them; ask the sailmaker or your class association for a copy.
X One Design (XOD) class rules and references
- Class rules: XOD Class Constitution and Rules 2026
- Class association: xonedesign.org.uk
References checked 2026-11-04.
X One Design (XOD) buying questions
What X One Design (XOD) parts does MAURIPRO carry?
1 product are listed for the X One Design (XOD) on this page: blocks & sheaves (1). Prices and availability shown are live from our catalogue.
How do I know a part fits my X One Design (XOD)?
Each part here is linked to the X One Design (XOD) because its exact manufacturer part number appears on the X One Design (XOD) parts lists we reviewed. Fit can still depend on your boat's year, builder and rig, so check the product details and your class rules, or ask our technical team before you order.
Are there tuning guides for the X One Design (XOD)?
Sailmakers have published tuning guides for this class, including XOD Class Association (XOD Tuning & Tactics, Undated (PDF in the class site's June 2016 uploads); credited to Colin McKinnon on the class tuning page. The PDF itself names no author and is written from boat X171's practice, with a 'secrets from X177' section); Sanders Sails (Understanding the Sanders XOD Sail Wardrobe, February 2025). These guides belong to their publishers; MAURIPRO does not host or reproduce them, so please get them from the sailmaker or your class association.
Which rules govern the X One Design (XOD)?
The class is governed by its class rules (XOD Class Constitution and Rules 2026). Check the current edition with the class association before buying parts for racing.
Everything in this collection
All products currently in this MAURIPRO collection, with filters.
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Schaefer Stand up Spring Loaded - Lined Slide - Aluminum - For: 1.0 in (25.0 mm) T-Track
SCH50482
$261.00 USDUnit price /Unavailable
