8
I'm not sure there was a 'typical' speed. Most that I've read about have a speed in the range 9 - 11 knots. Some examples include:
The tramp steamer SS Monarch was launched in 1885, and had a design speed of approximately 10 knots.
The SS Daleby was built in 1900, and had a speed of 9.5 knots.
The Sizergh Castle was launched in 1903, and had a speed of 9 ...
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