| M32 | |
| Insignia Size: | 175px |
| Insignia Alt: | M32 sail emblem |
| Image Boat: | File:Match Cup Norway 2018 92.jpg |
| Image Caption: | M32 in Match Cup Norway (2018) |
| Designer: | Göran Marström & Kåre Ljung |
| Location: | Sweden |
| Year: | 2010 |
| Builder: | Aston Harald Composite AB |
| Crew: | 4-5 |
| Displacement: | 510kg (1,120lb) |
| Hulls: | 2 hulls |
| Hull Type: | Multihull |
| Construction: | Carbon Fibre/Nomex core |
| Loa: | 9.68m (31.76feet) |
| Hull Weight: | 82kg (181lb) each |
| Engine: | none |
| Keel Type: | daggerboards |
| Rig Type: | Sloop |
| Mast Length: | 16.8m (55.1feet) |
| Sailarea Main: | 52m2 |
| Sailarea Gen: | 61m2 |
| Sailarea Total: | 113m2 |
The M32 (formerly the Marstsrom 32) is a class of sailing catamaran designed by Göran Marström and Kåre Ljung and first built in 2010 by Marstrom Composite AB. The design and production rights were sold in 2013 to Aston Harald Composite AB led by Håkan Svensson and run by Killian Bushe.
The M32 is a lightweight, all-carbon, high-performance, one-design multihull. Each of the two hulls - constructed of carbon fiber over a Nomex core - weighs 820NaN0 and features increased forward buoyancy to reduce nose-diving. The boat weighs 5100NaN0 overall and carries a sail area of 52m2 resulting in a very high sail area to weight ratio.
The sail plan includes only a high aspect ratio, fully battened mainsail for upwind sailing combined with a furling gennaker for downwind sailing.
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