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The class was created in 1988 by Jan Dejmo aided by Graham Bantock and the Technical Committee of the IMYRU (predecessor of IRSA).  It has continued to grow steadily since its creation. Although carbon fibre is allowed in the construction of the fin and rudder, construction of the hull must be of either wood or glass fibre. Spars shall be of alloy or timber and the sails are to 'One Design' sizes. 

 The number of rigs is limited to three. This makes  the class very popular for amateur builders and many designers have plans for competitive boats. Builders who can supply kits for home completion or completed boats are plentiful.

The International One Meter class (IOM) is the most popular and most competitive international class in the world. The class is administered by the International One Meter Class Association. They hold World Championships every two years as well as European Championships in the non-Worlds years. Approximately 40 countries around the world sail this class, most of them holding National Championships annually.

In Australia, over 2000 boats have been registered up to the year 2018. There is an active circuit of racing with each of the States holding their own State Championships as well as Regional events. These events count towards a National ranking system, which is used to select Australian participants in International regattas.

At the other end of the spectrum, the IOM class is a great class for local clubs to sail. The boats are small enough to be easily transported and handled, whilst being large enough to sail really well. Most of the clubs in Western Australia sail the IOMs and we too have an active calendar of events, both in Perth as well as in Albany and Busselton.

Details of the class: 
Box class,  
One Design rigs
Glass hulls, carbon foils and alloy spars
Hull length 1 metre
Displacement 4 kgs
Draught 420 mm
Sail area 0.6 m²

Further details about the class can be found at the website of IOMICA: www.iomclass.org


Latest Results

Oct 25, 2020
CLRSC M Scratch
Results added on Oct 25, 2020
Oct 25, 2020
Results added on Oct 25, 2020
Oct 18, 2020
IOM Club Championship SCR H8
Results added on Oct 18, 2020

Coming Events

Nov 01, 2020
2020 WA Marblehead Class State Championship
Champion Lakes, WA
Sailing from 12:30 - 16:30
Nov 08, 2020
IOM Club Championship SCR H9
Champion Lakes, WA
Sailing from 14:00 - 16:00
Nov 15, 2020
IOM WA Metro Championship
Champion Lakes, WA
Sailing from 10:30 - 16:00
Nov 22, 2020
IOM Club Racing (SCR)
Champion Lakes, WA
Racing commences 14:30
Nov 22, 2020
10R Club Championship H5
Champion Lakes, WA
Racing commences 12:30