Russian frigate General Admiral
General Admiral
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| Class overview | |
|---|---|
| Name: | General Admiral (Russian: Генерал-адмирал) |
| Operators: |
 Imperial Russian Navy
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| Built: | 1857–1859 |
| In commission: | 1859–1870 |
| Completed: | 1 |
| Scrapped: | 1 |
| History | |
 Russian Empire
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| Name: | General Admiral |
| Namesake: | Grand Duke Konstantin Nikolayevich of Russia |
| Operator: | Imperial Russian Navy |
| Builder: | William H. Webb Shipyard, New York City |
| Laid down: | 21 September 1857 |
| Launched: | 3 September 1858 |
| Commissioned: | 15 March 1859 |
| Struck: | 26 June 1869 |
| Fate: | Broken up 1870 |
| General characteristics (as built) | |
| Type: | Steam frigate |
| Displacement: | 5,669 long tons (5,760 t) |
| Length: | 305 ft (93.0 m) (p/p) |
| Beam: | 54 ft 8 in (16.7 m) |
| Draft: | 23 ft 6 in (7.2 m) |
| Installed power: |
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| Propulsion: | 1 shaft, 2 steam engines |
| Speed: | 12.25 knots (22.69 km/h; 14.10 mph) |
| Range: | 5,000 nmi (9,300 km; 5,800 mi) |
| Complement: | 790-825 officers and crewmen |
| Armament: |
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General Admiral (Russian: Генерал-адмирал) was a screw frigate ordered by the Imperial Russian Navy from the United States before the American Civil War. She spent the bulk of her career in the Mediterranean Sea where she evacuated insurgents and their families from Crete in 1868 during the Cretan Revolt. She was struck from the Navy List the following year and broken up in 1870.
General Admiral was a very large screw frigate designed by Captain 1st Rank Ivan Shestakov and named after General Admiral Grand Duke Konstantin Nikolayevich of Russia, commander of the Russian Navy. She was built of live oak, but was reinforced with diagonal and longitudinal iron braces.General Admiral displaced 5,669 long tons (5,760 t). She was 305 feet (93.0 m) long between perpendiculars, had a beam of 54 feet 8 inches (16.7 m) and a deep draft of 23 ft 6 in (7.2 m). She was sheathed in copper to reduce biofouling. A novel system of zinc pipes that penetrated sheathing and connected with the ventilation fan was installed in the hold to prevent the decay of her hull. Its efficacy is unknown although General Admiral's short life suggests that it was not effective.
Two steam engines, rated at a total of 2,000 indicated horsepower (1,500 kW), and six fire-tube boilers powered the single propeller when the ship was under steam. Using her engines, she had a maximum speed of 12.25 knots (22.69 km/h; 14.10 mph).General Admiral's propeller could be hoisted out of the water and her funnel retracted to improve her sailing qualities. She was considered to be an excellent sailer and could reach 14 knots (26 km/h; 16 mph) under sail alone. She carried 750 long tons (760 t) of coal which gave her a range of 5,000 nautical miles (9,300 km; 5,800 mi), but it was her 75 days of provisions that were the practical limit of her endurance.
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