40 Poof 30 L PT CALCULATED im SMOOTH L \ EP] WATER ORIFT RATE a ~~ i — ~— i } Ff 4 I 7 .MEASURED ORIFT RATE DRAGGING MOORING CABLE IN OPEN OCEAN 20 \ ) \ -——t Ne | SPEED (KNOTS) ie, WIND / 1 / 10 — 8 7 6 7 7 7 f 5 4 \ "4 4 3 OMS MEASURED FREE DRIFT RATE IN OPEN OCEAN 2 1 O 02 04 06 CORACLE O08 10 DRIFT 12 14 RATE Figure 2.16 Coracle drift rates. 74 16 (KNOTS) 18 20