> I just got two new sails yesterday, 5.0 and a 5.5 North Prizma ( 1992).
> I also bought the correct mast, North Carbon Base with the 220 Top.
> I spent about an hour rigging the 5.0 last night and think I am missing
> something. I understand that the 1992 sails are controlled by the
> amount of downhaul, no outhaul, however a couple of questions.
> Should I be able to downhaul the sail so much that the TOP of the sail is
> complete loose? ie wrinkles between batten 2 and 3.
I do not own a North Prisma but most people I know who have modern race
or slalom sails usually rig their sail so that the leach is floppy or at
least loose. The windier it is, the more floppy you need to make the
> I downhauled as hard as I could but the sail did not get that sickly
> loose looking TOP.
I had this same problem with my '92 4.2 Waddell MonoSlalom when rigging
it on the recommended mast (Fiberspar 460/25). In fact, I pulled on the
downhaul so hard that the EasyRig rigging tool exploded in my hand. I
contacted Waddell sails to see what they recommended and they advised
using a pulley system that allows a 6 to 1 ratio downhaul instead of the
4 to 1 ration I was using. Unfortunately, the cleat on my mast base
extension only allows a 4 to 1 ratio. When I told them this, they
suggested using a 5 to 1 pulley system. This can be done by tying one
end of your downhaul line to the downhaul sail grommet and then looping
it through the pulleys so as to get a 5 to 1 ratio. Although this will
allow you to get a little more leverage when downhauling, you must now
have a downhaul line attached to every sail. If you don't already have a
cleat that allows a 6 to 1 ratio, you can probably install one yourself
or have a shop do it. If you already have a 6 to 1 cleat and are using
a 6 to 1 pulley system, then I would suggest you get a membership at
Gold's Gym and start doing some of those horizontal rowing exercises :-).
Also when rigging your smaller sails, if you adjust your adjustable sail
top that so your mast base extension is extended as little as possible,
the sail will sit on the higher more flexible part of the mast. This
should make downhualing a little easier.
Incidentally, when I asked Waddell sails about attaching a micro pulley
to the sail grommet to get more leverage, they recommended against this
because it puts too much stress on the sail grommet.
> My boom is a chinook clamp-on boom, with no out haul the draft is so deep
> the sail is against the boom. DO I need a new boom or should I apply
> some outhaul?. The instructions indicate that no tension should be
> on the outhaul. When they say no tension do they really mean no tension?
When properly rigged, my sails touch the boom near the clew of the sail.
If your sails are touching the boom near the deepest part of the draft,
then it is likely you do not have enough downhaul on the sail. Downhauling
the sail more will flatten it out.