'Britannia,' 1893.
'Thistle,' 1887.
Sketch of cutwaters.
Length and displacement went merrily on, as will be seen from the following tables and diagrams:—
Elements of 5-Tonners (94 and 1730 Rules)
| Description | Diamond | Vril | Trident | Olga | Doris | Oona |
| Length on load-line | 25 ft. 3 in. | 28 ft. 4 in. | 32 ft. | 33 ft. | 33 ft. 8 in. | 34 ft. |
| Breadth Extreme | 7 ft. 2¼ in. | 6 ft. 7 in. | 6 ft. | 5 ft. 8¾ in. | 5 ft. 7 in. | 5 ft. 6 in. |
| Draught of water extreme | 4 ft. 6 in. | 5 ft. 2 in. | 6 ft. 3 in. | 6 ft. 4 in. | 7 ft. | 8 ft. |
| Displacement | 4.92 tons | 7.18 tons | 8.9 tons | 10.4 tons | 12.55 tons | 12.5 tons |
| Total area of lower sail | 671 sq. ft. | 830 sq. ft. | 912 sq. ft. | 985 sq. ft. | 1,116 | |
| Designer | W. Baden Powell | G. L. Watson | W. E. Paton | W. E. Paton | G. L. Watson | W. E. Paton |
| Date when built | 1873 | 1876 | 1879 | 1883 | 1885 | 1886 |
