Spitfire Sail Boat Manuale utente

OWNERS MANUAL

Spitfire Owners Manual English

Introduction ___________________________________________________________ 5

List of Spitfire Catamaran parts ___________________________________________ 6

Main parts_________________________________________________________________ 6

Glossary ______________________________________________________________ 6

Dimensions____________________________________________________________ 7

Platform assembly ______________________________________________________ 8

Trampoline rigging _____________________________________________________ 9

Rigging the mast____________________________________________________ 10, 11

Setting up the rig and masting

Platform _________________________________________________________________ 13

Mast_____________________________________________________________________ 13

Raising the Mast___________________________________________________________ 14

Lowering the Mast_________________________________________________________ 15

Spinnaker bowsprit and boom

Bowsprit _________________________________________________________________ 16

Boom ____________________________________________________________________ 18

Setting up of outfitting and equipment

Trapeze__________________________________________________________________ 19

Mast Rotation_____________________________________________________________ 19

Traveller _________________________________________________________________ 19

Mainsheet and Mainsheet strop ______________________________________________ 20

Mainsail Downhaul ________________________________________________________ 20

Jib Sheet and Jib Strop _____________________________________________________ 20

Jib Downhaul _____________________________________________________________ 20

Righting Rope_____________________________________________________________ 21

Foils

Rudders__________________________________________________________________ 21

Daggerboards _____________________________________________________________ 21

Sails

Mainsail__________________________________________________________________ 22

Loday White Limited

Spitfire Owners Manual English

Jib ______________________________________________________________________ 23

Spinnaker ________________________________________________________________ 24

Tuning Guide __________________________________________________________26

Sailing Guide __________________________________________________________28

Capsize Recovery_______________________________________________________ 32

Loday White Limited

Spitfire Owners Manual English

Tuning Guide (Stuart Gummer)

0–8 knots 8–15 knots >15 knots

Dagger boards Upwind: Down

Downwind: ½Down Upwind: Down

Downwind: ½Down, in >22

knots, lift all the way up

Diamonds Tension should be set such

that when looking up the

mast track about 1” of pre-

bend is observed (mast bends

backwards). Do not over

tighten the wire and we

suggest a maximum of35 on

a loose gauge. Lighter crews

generally rake the spreaders

back further. This allows you

to bend the mastmore and

flatten the sail further

therefore de-powering it.

Same as 0-8 knots Same as 0-8 knots

Jib Upwind: Cars set oninner

setting. Jib sheeted to touch

the roller onthe spreader.

Jib luff tension to take out

wrinkles.

Downwind: Set to tell tails

Upwind: Cars set oninner

setting. Jib sheeted to touch

the roller onthe spreader.

More jib luff tension

required.

Downwind: Set to tell tails

Upwind Cars set to middle

setting. Jib sheeted to touch

the roller onthe spreader.

More jib luff tension

required.

Main Upwind: Cunningham pulled

just to take wrinkles out of

sail, main sheeted without

hooking (closing off the top

of the leech). Spanner

pointing at shroud.

Downwind: Cunningham off,

don’t sheet main toohard,

but don’t let it loose.

Upwind: Once you are twin

wired and the boat is

constantly flying a hull you

can increase thecunningham

to stop the boat healing

excessively. Spanner pointing

at shroud.

Downwind: Cunningham off,

main sheeted quite tight, but

not as tight as upwind. Don’t

let it off as a way of de-

powering the sail use the

traveller. This will protect

your mast.

Upwind: Pull on cunningham

hard to prevent the boat

healing excessively. Spanner

pointing at shroud.

Downwind: Cunningham off,

main sheeted quite tight, but

not as tight as upwind. Don’t

let it off as a way of de-

powering the sail use the

traveller. This will protect

your mast.

Rake Take the trapeze wire and tie

some rope to the end of it,

pull the rope to the top of

the upper rudder mounting

plate. To measure the rake

take the rope forward to

touch the gelcoat seam on

the hull at the front of the

boat. Now measure the

distance between the back of

the bow tang and the end of

the rope as it touches the

seam. This should be 10 to 12

inches.

Same basic setting as 0-8

knots.

As wind speed increases

crews tend to rake the mast

further. To a maximum of 15

inches as measured

previously. Be aware that as

you alter the rake you will

also alter the spinnaker luff

tension and the height of

the Jib clew above the pole.

If don’t adjust these with

rake to keep them at their

optimum performance will

suffer.

Same as 10-15 knots.

Shrouds/Side Stays Tension onthe shrouds

should be loose enough for

the mast to rotate easily

towards the shrouds,

approximately 19on Loose

gauge . This should be

measured onthe shroud.

Tension on shrouds should be

20-24 on loose gauge

Same as 8-15 knots

Spinnaker Set up with luff tension so

that if you grab it in your

hand you can twist it 90

degrees. Toachieve this you

may have to adjust the

position of the pulley at the

head of the sail and/or alter

the band of the pole. To trim

ease until luff curls and then

sheet to stop the spinnaker

Same as 0-8 knotsSame as 0-8 knots

Loday White Limited

Spitfire Owners Manual English

collapsing, keeping the luff

almost curling at regular

intervals. Pull harder on

sheet during accelerationand

when boat is bearing away,

ease the sheet atthe end of

the puff.

Traveller Upwind: Centre

Downwind: Middle, don’t

sheet main toohard

Upwind: Centre

Downwind: Same as 0-8

knots. When the boat is over

powered and you have gone

bow down it may necessary

to release the main traveller

to help to de-power the boat

further. Do not release the

main sheet.

Upwind: Centre, > 22 knots

you may crack off traveller

an inch or two.

Downwind: Same as 0-8

knots

Loday White Limited

Spitfire Owners Manual English

Sailing Guide (Chris Sproat)

Please refer to the Tuning Guide for boat settings.

Light Winds

Upwind

Boat Trim Crew weight forwards. Crew on or in

front of front beam. Helm as close to the crew as

possible. This will stop the transom dragging. If there is

any intermittent trapezing it better that the crew should

do it. When one of you can remain out on the wire either

can trapeze depending onweight required. You are

aiming to keep the boat momentum going, to do this you

should avoid excessive tiller movement, keep crew

movement to a minimum and concentrate.

Mainsail tuning Remember to adjust the outhaul

from heavier weather settings to flatten foot of the sail as

you will not be using as much downhaul. If the wind

increases and you need to put more down haul on then

you may have to release the outhaul to prevent your

boom from bending excessively.

You may be surprised how much mainsheet tension is

required in light winds to control the top third of the sail

to gain power.

You may want to increase your batten tension if you

suspect a light wind day.

Constant adjustment of mainsheet tension will be

required as the wind strength varies.

Jib Tuning Adjust jib as per tuning guide. This may

require constant trimming.

Watch the lower two jib tell tails closely. Windward tell

tails lifting then you are pinching, if the leeward tell tail

is lifting then you are footing too much.

Dagger Boards Fully down

Tacking Using the tiller start gently and ease the

boat into the tack. Release the mainsheet at least a couple

of feet as you cross the midline. Keep the jib backed

until main battens have popped. Slowly squeeze the jib

and main back in as the boat accelerates away.

Bearing away You must maintain boat speed by

easing the boat in to a gentle turn. These are options

when time allows:

 Lift windward dagger board early

 Pull out spinnaker tack line

Loday White Limited

Spitfire Owners Manual English

 If you are trapezing upwind keep the helm on the

wire and let the crew go in to do the necessary

jobs.

 Release any downhaul.

 Helm may need to move backwards to counter

the crew who will be forwards hoisting the

spinnaker.

 If overpowered lower traveller as required.

Downwind

Boat trim Crew to leeward and moving to windward

as wind strength increases. For and aft trim level by

weight adjustment. Avoid excessive movements of crew

and tiller as upwind unless hit by a gust when it may be

necessary to bear away quickly to de-power.

Mainsail Don’t over sheet it. Remember if the wind

increases and you are bow down use to traveller to dump

power not the main sheet.

Jib Ease and set to tell tails.

Spinnaker During hoist you must go low until

spinnaker is fully up. It is useful to have a mark on the

halyard to indicate when this has been achieved. To trim

ease the sheet until the luff curls and sheet to stopthe sail

collapsing. Keep the luff almost curling by constant

adjustment. It may be necessary to sheet in if the boat

accelerates. The helm should keep the crew informed of

course changes so they can adjustthe sail appropriately.

Dagger Boards Half down

Jibing Before the jibe pull the jib over to the new

tack. A good time to jibe, if the opportunity arises, is at

the end of a bear away. Using the tiller ease the boat

round. In under five knots it may be necessary to ease the

main to allow the battens to pop. Do not release the

spinnaker from its current side until it starts to fill, now

release it and sheet on the new side. The jib should now

be released from the previous side and trimmed to tell

tails. Head up gently to build up speed.

The Drop Put the dagger boards down in

anticipation. During the drop bear away, do not release

the spinnaker sheet, (either kneel on it or give it to the

helm), make a bra out of the spinnaker by pulling the

retrieval line just before you release to halyard, continue

to pull down quickly until at least half of the spinnaker is

in the chute before you release the tack line.

Heading up Use the main and jib to control the turn

and squeeze on as you head upwind.

Loday White Limited

Spitfire Owners Manual English

Heavy Winds

Upwind

Boat Trim Crew weight adjusted backwards

to maintain fore and aft trim. If bow down and rudders

stalling you are too far forwards. In extreme conditions

you may have to get as far back as possible. You are

aiming to keep the windward hull kissing the waves. To

do this void excessive tiller movement, keep crew

movement sensible and concentrate.

Mainsail tuning To set the outhaul; first pull on a

reasonable amount of down haul, both trapeze, sheet the

main quite hard, if the hull flies excessively pull on more

down haul. The boom should now have a gentle camber.

If the boom is bent excessively you have got to much

outhaul on and conversely if there is no camber you need

to increase the outhaul. Downhaul is at a maximum

when the eyelet is touching the boom. You may have

to pull very hard to do this. This will open the top of

the sail, de-power it and enable you to point. The last

inch of downhaul is often crucial!

Constant adjustment of mainsheet tension will be

required as the wind strength varies.

Jib Tuning Adjust jib as per tuning guide. This may

require constant trimming.

Watch the lower two jib tell tails closely. Windward tell

tails will often lift. This OK as you are trying to balance

the boat to the wind conditions, if the leeward tell tail is

lifting then you are footing too much.

Dagger Boards Fully down

Tacking Using the tiller start gently and

ease the boat into the tack. You may need to release the

mainsheet further than in light winds as you cross the

midline. The jib will only need backing in choppy

conditions. Keep your weight forward. Slowly squeeze

the jib and main back in as the boat accelerates away.

Bearing away You must maintain boat speed by

easing the boat in to a gentle turn. These are options

when time allows:

 Lift windward dagger board early

 Pull out spinnaker tack line

 If you are trapezing upwind keep the helm on the

wire and let the crew go in to do the necessary

jobs.

 Release any downhaul.

Loday White Limited

Spitfire Owners Manual English

 Helm may need to move backwards to counter

the crew who will be forwards hoisting the

spinnaker.

 If overpowered lower traveller as required. The

crew may need to do this.

Downwind

Boat trim Crew to windward, as wind strength

increases they may need to trapeze. For and aft trim level

by weight adjustment, you tend to keep weight well

back. Avoid excessive movements of crew and tiller as

upwind unless hit by a gust when it may be necessary to

bear away quickly to de-power.

Mainsail Don’t over sheet it. Remember if the wind

increases and you are bow down use the traveller to

dump power not the main sheet.

Jib Ease and set to tell tails.

Spinnaker During hoist you must go low until

spinnaker is fully up. It is useful to have a mark on the

halyard to indicate when this has been achieved. To trim

ease the sheet until the luff curls and sheet to stopthe sail

collapsing. Keep the luff almost curling by constant

adjustment. It may be necessary to sheet in if the boat

accelerates. The helm should keep the crew informed of

course changes so they can adjustthe sail appropriately.

Dagger Boards Half down

Jibing You need to jibe at maximum boat speed

or it can be very violent. Before the jibe pull the jib over

to the new tack. A good time to jibe, if the opportunity

arises, is at the end of a bear away. Using the tiller ease

the boat round. Do not release the spinnaker from its

currentside until it starts to fill, now release it and sheet

on the new side. The jib should now be released from the

previous side and trimmed to tell tails. Head up gently to

build up speed.

The Drop Put the dagger boards down in

anticipation. During the drop bear away, do not release

the spinnaker sheet, (either kneel on it or give it to the

helm), make a bra out of the spinnaker by pulling the

retrieval line just before you release to halyard, continue

to pull down quickly until at least half of the spinnaker is

in the chute before you release the tack line.

Heading up Use the main and jib to control the turn

and squeeze on as you head upwind. You may need to

put on some downhaul and release mainsheet and

traveller as you round the corner.

Loday White Limited

Spitfire Owners Manual English

Loday White Limited

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