Where to site controls
My albacore is fitted with a thwart, the woof hull in general have no thwart.
This determines where to site the main control cleats. On boats without a thwart
the cleats can be mounted on the edge of the buoyancy tank, on boats with a
thwart the cleats are most often situated on the front and back edges of the
thwart. A third option that has become very popular in the US, thanks largely to
the work done by HAPCO, is to place the cleats on a control board between the
deck and the buoyancy tank. This makes fitting continuous control systems very
simple.
I have chosen to fit the control line cleats on
the rear of the thwart. The boat is grp and has limited locations to fit
turning points in the middle of the boat. On the centre board there is
only one point at which I can attach turning blocks, figuren
. I would have preferred to fit cleats on the leading and
trailing edge of the thwart. Controls that are more commonly used by the crew
are best on the front of the thwart. this also limits the number of control
which can be sited at the thwart.
Whilst I was trying to workout where to place controls, I thought a lot about who
uses the control the most, and where they are in the boat when using that control.
This largely depends upon the way you sail. For example, when I was crewing
we were light and often had the boom below deck level, so to to tack i often had to dump a lot of kicker. This required that
the crew was the main adjuster of the kicker, but as a helm, I tend to adjust
it. Table 1 shows the primary user and location for control use. Along
with my preferred cleat location
When using a control it should be in front of you, this is the easiest angle
to pull at. If you have to twist to get at the control then it is going to be
difficult and tiring to pull. Equally controls must be within reach, so controls
used when hiking must be closer to the side tank. My fireball had every control
lead to the centre board cap, this was great because the boat is so narrow that
you were never far from the control. The problem was that there were too many
ropes in one place. There were 9 separate controls terminating in this area and
they required 17 cleats. The alb I used to crew had most of the controls lead to
the side of the boat, but I was forever twisting to adjust the rig on the run.
Having controls on the centreboard cap is most suitable for controls that are
most often adjusted at mark roundings, when the boat is flat and the helm has
time to move into the boat. These can be routed to the side of the boat, but in
moderate winds you will often find you are pulling the controls at a difficult
angle.
|
Control
|
User
|
When used
|
Cleat location
|
|
Kicker
|
Helm
|
Hiking
|
Thwart
|
|
Cunningham
|
Crew
|
Hiking
|
Thwart
|
|
Ram
|
Helm
|
At mark roundings
|
Centreboard cap
|
|
Pre-bend
|
Either
|
At mark roundings
|
Centreboard cap
|
|
Outhaul
|
Crew
|
At mark roundings
|
Boom
|
|
Jib Halyard
|
Either
|
Hiking
|
Thwart
|
Table 1
The shroud length would probably be adjusted from the
centreboard cap, as it is adjusted by the helm at mark roundings.
Next: Design of Systems
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