Waterstarting a cammed sail

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nebbian
nebbian
WA
6277 posts
WA, 6277 posts
19 Dec 2005 11:35pm
I just bought a bigger sail with cams, but I was told that waterstarting with this sail will be more difficult than my other cam-less sails.

Why is this? Does the luff pocket fill with water therefore it's heavier? Is it something to do with aerodynamics? Or is it just hard to rotate the cams when the sail is in the water?

I'm a bit puzzled over this... I can't wait to try it out though, those northerlies will be coming on strong this week

Hey Haircut4000, I'll be out at Caba when the wind picks up this week if you want to try out the lake
fletch1408
fletch1408
TAS
44 posts
TAS, 44 posts
20 Dec 2005 2:49am
Hey nebbian,

my 2cents...

They can be harder, due to the cams inducing the deeper profile of the sail/water sitting in the sail but its not a big deal.... Lifing the rig might be a 'bit' harder/slower... Once you are flying the rig and preparing to restart from the water you can be assured the cammed sail will have more grunt to get you going....

swings n roundabouts
mkseven
mkseven
QLD
2315 posts
QLD, 2315 posts
20 Dec 2005 8:26am
It is just one of those things always said but isnt necessarily true. Materials now used on luff sleeves tends to keep the water out so in the event of normal dunking the sail will float, an advantage camless sails dont have they sink straight away. If you have a break and the sail sinks, sometimes better to partial uphaul- just pull the sail up and leave a bit until water drains then lift rest of way or waterstart.

I use both wave sails and race sails and the difference is only really noticeable in transitions (i cant even say rigging is any easier with wave sails, just different).

Sail handling has improved so much, when I was learning to sail a mate and I had a 6.5 gaastra cammed monster from the 80's- 2 of us on the board both trying to uphaul at the same time and we still had heaps of trouble, guess that's where Mr Naish got his muscles.

***If you have a catapult it may sink the rig straight away, go to the head of the sail and lift there until water drains.
leski
leski
NSW
661 posts
NSW, 661 posts
20 Dec 2005 10:10am
sail with cams!!!
oooh no bad choice you are taking the wrong turn toward slalom, huge sails, lots of gear, lots of money spilled...when the simple life of wavesailing was just down the road!!
nebbian
nebbian
WA
6277 posts
WA, 6277 posts
20 Dec 2005 10:29am
quote:

you are taking the wrong turn toward slalom, huge sails, lots of gear, lots of money spilled...when the simple life of wavesailing was just down the road!!


Well... I still want to get into wavesailing but I need the time on water to get the skills to go out in the waves, and around here that means a big sail! Still, big for me is 6.4
Don't want to do the corrumbin triathlon again

Thanks to the others for the replies, more grunt for waterstarting is always a good thing, lifting my bulk up is difficult at the best of times Maybe I'll put a float on the mast like those catamarans have
leski
leski
NSW
661 posts
NSW, 661 posts
20 Dec 2005 2:42pm
don't take me wrong it is great that you are pretty keen, and I understand that you want to maximize your time on the water..
but sails with cams is from my point of view particularly slalom/race oriented.
You 've mentioned the problem with waterstarting and I could bet the next thing will be that handling the sail in the gybe is difficult..etc.
I am sure you could get a 6.4 freeride style sails without cam.

If your interest is just to go fast and race your mates then ignore my comments.
If you want to go soon into little wave/chops then a freeride/freestyle board and big freeride sail will definitely help you to learn quicker lots of new moves and to be generally looser when you ride.

I've just seen lots of guy getting stuck into the slalom bit just when they were in the full progressing phase..and the cams sail was usually the start of the end

Anyway, I've read that you are doing pretty good progress, this is cool.
Keep goin and good luck !!
nebbian
nebbian
WA
6277 posts
WA, 6277 posts
21 Dec 2005 5:51pm
Tried it out today in about 10 knots lulling to 5 occasionally... took me a while to figure out how the new style cam systems work, one of the battens wasn't inside its cam and it took an engineering degree to figure out how to get it back in! Wow it's got some grunt when the wind blows though!

There wasn't enough wind to waterstart when I was in deeper water, but I still managed to fly it OK so it could be possible.

The thing is, though, it's so damn heavy I'm not sure I want to go any bigger, I really notice how hard it is to move around especially if the leech gets into the water. So Leski there's no chance I'll end up sailing 9m sails on flatwater with a GPS strapped to my arm
AUS154 Chris
AUS154 Chris
QLD
217 posts
QLD, 217 posts
22 Dec 2005 7:36am
You're a *****. 6.5 aint big! Wot you weigh? (Me 65kgs) With more experience you can use bigger and bigger sails. When I first started going bigger, I got a north 7.3 crossfire(not a bad sail)then 8.4 V8, now I'm up to a 9.8 V8 combined with a decent big board= TOW. And TOW is where it's at.There's very few days now that I can't find enough wind to get planing.
AUS154 Chris
AUS154 Chris
QLD
217 posts
QLD, 217 posts
22 Dec 2005 7:40am
Dunno why that was edited, it was just another word for wous.
RAL INN
RAL INN
SA
2898 posts
SA, 2898 posts
22 Dec 2005 9:19am
There are Cams and there are CAMS.

Don't be put off by Cam phobia, Just get out there and get wet.

the difference in rotation of say a KA Koncept6.6(cammed) and a KA Kruze6.4(no cam) is un-noticable to most sailers.
waterstarts, if the sail is submerged, may have a little more water in the mast sleeve of a cammed sail = wieght.
just start lifting the sail further up the mast.

Just pay attention to the correct downhaul.
And I suspect that what you consider to be heaps of downhaul is in fact NONE.

best winds
Tony L
Mark _australia
Mark _australia
WA
23691 posts
WA, 23691 posts
23 Dec 2005 11:17pm
Bludga,

dunno wat u r talking about...... "Time On Water is where it's at"???!!!

No way, Time Out Of Water is where it's at, 30ft up with the nose pointed at the sky........

AUS154 Chris
AUS154 Chris
QLD
217 posts
QLD, 217 posts
24 Dec 2005 10:04am
I'm a bit of a wuss myself in that department. Balls not big enough. I prefer to stay stuck to the water.Had my airtime in hang-gliders though - around 1000 hours + 400 in sailplanes.
rosey
rosey
NSW
575 posts
NSW, 575 posts
24 Dec 2005 5:10pm
i always use 5.4 or 4.4, and the i hopped on my biggest sail ever the other day, 10.9...big board+big sail=gay..
formula isnt for me, waves
AUS154 Chris
AUS154 Chris
QLD
217 posts
QLD, 217 posts
24 Dec 2005 7:31pm
BTW, sitting on the shore when it's blowing 12 knots is GAY!
cansyd
cansyd
NSW
46 posts
NSW, 46 posts
27 Dec 2005 2:19pm
Hi

A cammed sail is easier to waterstart once out of the water. The luff pockets tend to hold more water and therefore are heavier to start with. Try raising the mast closer to the tip and allow the water to flow out. Then make sure the cams are set so the full side of the sail is to the top. This creates lift. Most RAF sails don't have this shape and therefore don't create the same amount of lift. Use the lift to get the sail out of the water, don't try to do it by pushing the mast higher whilst the clew is still in the water, keep the sail just above the water 30cm or so to get the air underneath (higher in chop). Cams are harder to learn carving on and other tricks however they give you more sail stability and allow you to point higher. Keep practicing my wife can waterstart a fully cammed 7.5m. I have seen 12.5s waterstarted as well.
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