The Merlin- class was a class of paddle steamers in the Royal Navy . The three Merlin- class wooden steamboats with side paddle wheels were based on a design by William Symonds.
All ships of the class had a side-lever steam engine from Fawcett with 312 hp . The piston was 64 inches in diameter and 6 feet of stroke . The water tube boiler delivered 10 bar steam. The paddle wheels were 24 feet in diameter and reached 19 revolutions per minute.
The ships were initially used as parcel ships. During the Crimean War , they were converted into gunboats .
literature
David Lion, Rif Winfield (2004): Sail & Steam Navy List, All The Ships Of The Royal Navy 1815-1889; Chatham Publishing in association with the National Maritime Museum, London; ISBN 978-1-86176-032-6