07774 925323

THAMES STEAMERS LIMITED

 

Dimensions Alaska is 60' long, 9'6" beam and draws 3'2".
Construction Alaska is constructed of double diagonal teak over oak frames, painted hull and highly varnished teak superstructure where appropriate.
Engine The original non-condensing steam engine by Seeking's of Gloucester which has two cylinders 6.5" in diameter and 7" stroke. It is of a twin simple pattern with no expansion and steam used to push the pistons down and up, giving 4 power strokes per revolution.
Boiler Alaska has worn out 3 boilers during her life. The current one was installed in 1982 and  operates at 100 lbs per sq. inch pressure. It is a side fired locomotive type with 101 fire tubes. The boiler can be fired with coal but for environmental reasons is now fired with high density wood briquettes made from waste sawdust and wood chips from furniture manufacturing. This makes 'Alaska' completely carbon neutral and saves approximately 15 tonnes of carbon dioxide emissions in a typical year.
Weight Alaska's deadweight is 20 tons.
Capacity Alaska is licensed for up to 36 passengers