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REFERENCES:
Patrick J. Bray, George Roddan, Josip Grusling,
“Development of a 47-foot Modern Trawler Yacht,”
SNAME
Transactions,
Vol. 108 (2000)
Calisal S.M., McGreer D., “Application of a Bulbous Bow to a
Fishing Vessel”,
International Fisheries Energy Optimization
Working Group
(1989)
Calisal S.M. et al, “A Resistance Study on a Systematic S
ries of Low L/B Vessels”,
Marine Technology,
Vol. 30 (19
Westlawn graduate Patrick Bray has more than thirty ye
of design experience as a naval architect. He has speci
ized in developing fuel-efficient, low-resistance, high-
stability hull forms, designed to go offshore comfortabl
TABLE 2 – FOX 86
Config. A: with Bulb, Stabilizers, Blisters, Bi-foils
Level Trim
HEAVE
TRIM
SPEED V/L
1/2
CHANGE CHANGE
(knots) (kts/ft
1/2
)
(ft)
(deg)
EHP
8.0 0.91
-0.25
-0.29
46.4
10.0 1.13
-0.39
-0.52 100.1
11.9 1.36
-0.70
-0.32 259.6
13.9 1.58
-0.98
1.40 720.9
15.9 1.81
-0.87
2.57 1169.8
17.9 2.03
-0.69
3.30 1574.4
19.9 2.26
-0.53
3.56 1939.2
TABLE 3 – FOX 86
Config. D: without Bulb, Stabilizer Blisters, or Bi-foils
Level Trim
HEAVE
TRIM
SPEED V/L
1/2
CHANGE CHANGE
(knots) (kts/ft
1/2
)
(ft)
(deg)
E
8.0 0.91
-0.21
-0.14
4
10.0 1.13
-0.38
-0.23 11
11.9 1.36
-0.65
0.23 31
13.9 1.58
-0.77
2.13 80
15.9 1.81
-0.66
3.56 127
17.9 2.03
-0.38
4.24 162
19.9 2.26
-0.16
4.42 194
Fox 86 — Config. D: Without Bulb, Stabilizers, Blisters, Bi-foils, Level Trim