3 ms·
Yep. For scale: if you count for one minute, a knot every 30m or so on the string will give you your speed in nautical miles per hour (=knots)
by arnarbi 10y ago
Yep. For scale: if you count for one minute, a knot every 30m or so on the string will give you your speed in nautical miles per hour (=knots)