In 1883 The Engineer published specifications for Violet (and sister ship Lily) as follows:[2]
Dimensions : 310 feet long overall, 300 feet 6 inches between perpendiculars, 33 feet beam, drawing 14ft 4inches.
Passengers : Certified by Board of Trade to carry 475 deck passengers and 415 saloon passengers.
Engines : Twin cylinder oscillating engines with jet condensers. Cylinder bore 78 inches, stroke 7 feet with double piston rods and crossheads. Crankshaft 18inch diameter. Each cylinder had two slide-valves operated by link motion. Mean indicated horsepower over 3 hours is 3220 and propeller speed is 30 revolutions per minute.
Boilers : Eight rectangular boilers supplying steam at 30 psi. The boilers contained a total of 2152 tubes, total heating surface of 12215 square feet, and total grate area of 470 square feet.
Paddle Wheels : 27 feet 8 inches diameter, with floats 11 feet wide, and 4 feet 6 inches deep.
On the Holyhead to Kingstown crossing she was about 15 minutes faster than the earlier ships Shamrock and Rose.