{ss} a
1200
1400
ao
2000
‘wie
COMING 30 iLHStIM
3
70
200
400
600
MATIMUM HORIZONTAL ORAG
@0o
FORCE,
1000
F,, {L@S)
1200
b = 0.66 for concrete. )
for case of 3-foot subsurface float supporting
1,200 fathoms of Y/y9~inch wire; b ~ 0.87 for iron;
various anchors on sloping bottoms. (Coefficient
of friction assumedto be unity; tension calculated
Figure 2.12 Maximum horizontal drag forces for
o
———
—
Sud
200 }-
—— inow
3
;
Figure 2.13
7
33003
400
e00
1
MWA
Y==Hoe |
if/;
iV
(so%)
JOvVMaIAV
.
.
“WIND
OR AG
Measured coracle drag forces.
"
ORAG
WIND OR CURRENT SPEED (KNOTS)
;
CURRENT
‘