Re: Nautical terms while at sea
A helmsman drives the boat--well, nowadays a computer. By the way, while we're on the topic of nautical terms:
Speed is measured in Knots, not miles per hour.
A knot is equal to 1 nautical mile per hour. A nautical mile is equal to one minute of great circle arc at the Equator. Which means that 1 knot = 1 minute of arc and/or 1.15 land (statute) miles per hour.
A ship making 10KTS travels at the same speed as a car going 11.5 MPH.
A ship making 20KTS travels at the same speed as a car going 23 MPH.
And here's where it gets interesting. The old national interstate speed limit was 70 MPH. Why? Because 60KTS = A full degree of arc = 69MPH. A car traveling 70MPH could cover a little more than a full degree of arc in an hour. They simply rounded the 69 up to the next mutliple of 10.
Now, stuff that through that little round window in the side.
Post Edited (05-17-03 12:34)
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