Copyright © 2012 By Farrier Marine Page 52
FARRIER MARINE
DETAILED WIND CAPSIZE FIGURES AND
SAFE SAILING RECOMMENDATIONS
The above figures apply to consistent winds, and wind
capsize speed will vary depending on many factors, including
sea conditions, area being sailed, boat load condition, how
load or crew are distributed, wind direction and wind
characteristics. The recommended safe wind speed range
should be thus modified or varied when required as follows:
If winds are inconsistent, strong and gusty, reduce the
recommended safe wind speed ranges by 20%.
If offshore, or in isolated areas, then reduce the recommended
safe wind speed ranges by 20%.
If crew is inexperienced then reduce the recommended safe
wind speed ranges by 20%.
The wind capsize figures given in table below are the
theoretical wind speeds required to lift the center hull in the
worst possible condition, which is side on with sails sheeted
in tight - something that should never be allowed to happen.
These figures are based on calculation combined with
many years of sailing trials and testing in all conditions.
While every care has been taken, this table should only be
regarded as a general guide, and it always remains the
skipper's responsibility to ensure the boat is sailed safely and
sail is reduced appropriately for the conditions.
If running directly downwind, the above safe wind speed
ranges still apply. However, mainsail should be reefed early,
or dropped altogether should winds exceed 30 knots and use
a headsail only instead. Headsails can be easily released in
strong gusts from astern. A mainsail cannot.
If boat is lightly loaded, the wind capsize figures will be lower,
and extra care may be required. However a light boat also
accelerates more easily, which helps absorb gusts easier.
Main plus Screacher capsize wind speeds ranges are
around 10% lower than the main plus jib figures. However,
the lighter cloth usually used on these light weather
headsails will restrict their use to low wind speed ranges
Safe Sailing Procedures:
In event of a severe gust:
FREE SHEETS
OR:
If wind is closehauled:
LUFF UP
If wind is abeam:
FREE SHEETS
If wind is abaft the beam:
BEAR AWAY
If wind is astern:
USE HEADSAILS ONLY
& FREE SHEETS
Main & Jib
30
12 to 20 knots
F-22
Main #1 reef & Jib
34
20 to 25 knots
Main #2 reef & Jib
37
25 to 32 knots
Main only #2 reef
45
32 to 38 knots
Jib only
58
38 to-45 knots
Main & Jib
26
10 to 15 knots
F-22R
Main #1 reef & Jib
29
15 to 20 knots
Main #2 reef & Jib
32
20 to 25 knots
Main only #2 reef
39
25 to 32 knots
Jib only
52
32 to 45 knots
Main & Jib
33
12 to 21 knots
F-82
Main #1 reef & Jib
37
21 to 28 knots
Main #2 reef & Jib
43
28 to 36 knots
Main only #2 reef
59
36 to 45 knots
Main & Jib
31
12 to 20 knots
F-82R
Main #1 reef & Jib
36
20 to 25 knots
Main #2 reef & Jib
42
25 to 35 knots
Main only #2 reef
56
35 to 45 knots
Main & Jib
33
12 to 22 knots
F-32A
Main #1 reef & Jib
37
22 to 28 knots
Main #2 reef & Jib
48
28 to 37 knots
Main only #2 reef
73
37 to 48 knots
Main & Jib
30
12 to 20 knots
F-32R
Main #1 reef & Jib
34
20 to 25 knots
Main #2 reef & Jib
44
25 to 33 knots
Main only #2 reef
63
33 to 42 knots
Main & Jib
37
12 to 24 knots
F-36
Main #1 reef & Jib
42
24 to 32 knots
Main #2 reef & Jib
52
32 to 42 knots
Main #2 reef & S.jib
61
42 to 48 knots
Main & Jib
37 (33*)
12 to 24 knots
F-39
Main #1 reef & Jib
41
24 to 32 knots
Main #2 reef & Jib
46
32 to 36 knots
Main #2 reef & S.jib
52
36 to 42 knots
Model
Sail Combination
Wind Capsize
Recommended Wind
Speed in Knots
Range For Safe Sailing
* R version
Summary of Contents for F-22
Page 42: ......
