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wing and rudder to contrast i drift applied in stems of vessels to vela.consistente a plan with the tilting alpiano stems. the purpose..mediante appropriate inclination.to counter the force exerted by the wind on the sails ribaltatrice
wing and rudder to contrast i drift applied in stems of vessels to vela.consistente a plan with the tilting alpiano stems. the purpose..mediante appropriate inclination.to counter the force exerted by the wind on the sails ribaltatrice