2018 World Cat Glacier Bay Edition 2770/2780 Owners Manual
22
Chapter 5: Performance
5.1 Overview
This chapter will provide information on the performance characteristics of your catamaran. This is not a
substi-tute for seamanship training or hands
-
on experience. First time boat owners should use the re-
sources detailed in Chapter 1 to learn proper methods of boat operation. Experienced boaters who have
never owned a catamaran, should study this chapter completely. Do not assume that previous boating ex-
perience will apply to all situations, as there are several subtle differences in the handling characteristics of
twin hulled boats. For existing catamaran owners, this chapter should be a reference.
5.2 Motor Trim
All Models should have weight centered amidships when running at speed. Trimming engines so the boat
is running level is normally best for a soft ride. We
’
ve also had very good luck with Doelcher
“
Doel Fins
”.
Typically, you will see about 4% fuel economy increase, combined with a very noticeable decrease in side
to side roll underway and at rest. The Doel Fins also increase your ability to trim bow up or down. Doel
Fins work best with engines over 360lbs for example Yamaha 150 HPDI
’
s. On smaller lighter engines you
may find the Doel Fins add too much lift. You may find that one Doel Fin installed on the outside edge of
each engine works well with the lighter engine application. If you feel the ride is not feeling great, we rec-
ommend trim up, or down, or increase the speed, 80% of the time makes a solid improvement. If the ride
still hasn
’
t improved you may need to slow down. Trim adjustments also can dramatically improve your
speed and fuel economy. Find that spot where the speed and RPM climb to their max without a throttle
change. Too much weight forward may cause spray to come aboard or in severe conditions, the boat
could plow through the waves. When running alone or lightly loaded at high speeds, do not trim the en-
gines too far out from the transom or dangerous bow lifting could result. NEVER TAKE ANY BOAT TO THE
POINT WHERE YOU DO NOT FEEL IN CONTROL!
5.3 Engine Controls
All factory rigged boats will come equipped with a binnacle control specific to your type of engine. Located
at the helm, the binnacle controls the throttle, shift, and trim mechanisms for your engine. For diagrams
and general information about this system, review pages 80 thru 83 of the
Sportfish, Cruisers, Yachts Own-
er
’
s Manual.
Also read the owner
’
s manual provided by your engine manufacturer to determine how to op-
erate the features on your binnacle. If any components of this system need to be replaced, be certain to
use the same style and length as the original equip-ment.
5.4 Steering Controls
Catamarans offer unsurpassed steering control. The wide spacing of the engines, advanced steering com-
ponents, and handling characteristics of the World Cat hull give operators exceptional maneuverability in
even the tightest spaces.
Because of the superior tracking abilities of the World Cat hull, oversteering can present a problem, espe-
cially for owners accustomed to operating conventional boats. Conventional vessels have a tendency to
lose tracking abili-ties in rough and following sea conditions, making constant course corrections necessary.
However, catamarans do not exhibit those traits and require operators to take a
“
hands off
”
approach. To
do so, relax your grip and fight the urge to make constant corrections.
Summary of Contents for GLACEIR BAY EDITION 2770
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Page 11: ...2018 World Cat Glacier Bay Edition 2770 2780 Owners Manual 11 Chapter 3 BOAT SPECIFICATIONS...
Page 12: ...2018 World Cat Glacier Bay Edition 2770 2780 Owners Manual 12 3 2 2770 FEATURES...
Page 13: ...2018 World Cat Glacier Bay Edition 2770 2780 Owners Manual 13 3 3 2780 Standard Boat Specs...
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