 Early in her career she had very much trouble with tacking (sailing), even in the most favorable circumstances.The original armament of the Vesuvius was 4 short 30-pounders(SBML) and four long 12-pounders(SBML) In the 1870s the Prinses Marie had 1 16 cm RML and 6 rifled 12 cm guns (BL).The Cornelis Dirks and Het Loo then had 2 16cm RML and 4 medium 30-pounders.