BOAT MODELS BOAT MODELS Aaltomarine boats are designed to withstand harsh use and conditions. The bottom and the sides >4 mm thick marine aluminum quality and all other parts of at least 3 mm. Variable V-angle that is exceptionally sharp on the front which splits the waves effectively and throws down on the sides. The hull structure has a strong longitudinally T-top girders and is supported by transverse bulkheads making the structure very rigid and silent.