SS Ellan Vannin (1883)
RMS Mona's Isle
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| History | |
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| Name: | Mona's Isle |
| Owner: | Isle of Man Steam Packet Company |
| Operator: | IoMSPCo |
| Port of registry: |
 Douglas, Isle of Man
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| Route: | Various |
| Builder: | Tod & McGregor Ltd. Meadowside, Glasgow |
| Cost: | £10,673 |
| Launched: | 10 April 1860 |
| Completed: | 1860 |
| Reclassified: | 1883 |
| Homeport: | Ramsey |
| Identification: | Official Number 27260. |
| Fate: | 1883: converted to screw-driven vessel |
| General characteristics as Mona's Isle | |
| Type: | Paddle steamer |
| Tonnage: | 339 GT |
| Length: | 198 ft 6 in (60.5 m) |
| Beam: | 22 ft 2 in (6.8 m) |
| Depth: | 10 ft 7 in (3.2 m) |
| Installed power: | oscillating engines, manufactured by Tod and McGregor Ltd |
| Propulsion: | Side paddles |
| Speed: | 12 knots (22 km/h; 14 mph) |
| Crew: | 14 |
Ellan Vannin
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| Name: | Ellan Vannin |
| Namesake: | the Manx name for the Isle of Man |
| Renamed: | 16 November 1883 |
| Identification: |
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| Nickname(s): | "The Li'l Daisy""The Vannin" |
| Fate: | 3 December 1909: sank in a storm between the Bar Lightship and the Q1 Buoy, River Mersey 53°32′00″N 03°17′00″W / 53.53333°N 3.28333°W |
| General characteristics as Ellan Vannin | |
| Type: | Packet Steamer |
| Tonnage: | 375 GT |
| Installed power: | two-cylinder compound steam engine made by Westray, Copeland and Co. |
| Propulsion: |
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| Speed: | 12.5 knots (23 km/h) |
| Capacity: | 299 passengers: 134 first class, 165 third class. Cabin capacity for 28 passengers (first class) and 25 (third class). |
| Crew: | 21 |
SS (RMS) Ellan Vannin (the Manx name for the Isle of Man) was built as an iron paddle steamer in 1860 at Meadowside, Glasgow for the Isle of Man Steam Packet Company. She was originally named Mona's Isle - the second ship in the Company's history to be so named. She served for 23 years under that name before being rebuilt, re-engined and renamed in 1883. As Ellan Vannin she served for a further 26 years before being lost in a storm on 3 December 1909 in Liverpool Bay.
Mona's Isle was built by Tod and McGregor Ltd, Glasgow, at a cost of £10,673. She entered service with the Steam Packet Fleet in June 1860.
Mona's Isle is important in the history of the line, as she was the first vessel to be fitted with oscillating engines, which were also manufactured by Tod and McGregor Ltd. Until 1860 the Company had always used the side-lever engine so favoured by Robert Napier and Sons. The oscillating engines possessed a number of advantages over the side-lever, as it occupied less space and had fewer working parts. A further enhancement was the addition of improved feathering floats which were fitted to the paddle wheels.
There was no requirement for a connecting rod, and the upper end of the piston rod was fitted with a bearing which worked directly on to the crankpin. The cylinder was placed vertically under the crankshaft and could pivot through a small arc, permitting the rod to follow the movement of the crank.
When launched, Mona's Isle had a registered tonnage of 339 tonnes (GRT), and with 600 ihp (450 kW). This gave her a speed of approximately 12 knots.
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