3.1 Model set-up
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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1227 – Explanatory Notes to the Interim Guidelines for Alternative Assessment of the Weather Criterion – (11 January 2007) - Annex - Explanatory Notes to the Interim Guidelines for Alternative Assessment of the Weather Criterion - 3The determination of the wind heeling lever lw1 - 3.1Model set-up

3.1 Model set-up

Parent topic: 3 The determination of the wind heeling lever lw1

3.1.1 Ship model used for wind tests

 The model for the wind test was built following paragraph 1.2.1 of the Guidelines. The length (Lpp) of the model was 1.5 m (scale: 1/113). The lateral projected area in upright condition was 0.267 m2. Compared to the cross section of the wind tunnel (3 m in breadth and 2 m in height), the blockage ratio was 4.5%.

3.1.2 Ship Model used for drifting tests

 The model for the drifting test was built following paragraph 1.2.2 of the Guidelines with bilge keels of greater than 10 mm in breadth. The length of the model was 2 m (scale: 1/85).

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