Nacra 570 aftermarket sails :: Catamaran Sailboats at TheBeachcats.com

Nacra 570 aftermarket sails

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noodlecat

Rank: Lubber

Registered: Sep 30, 2020

Last visit: Jun 08, 2022

Posts: 4
Posted: Oct 02, 2020 - 12:07 PM

I'm a total beginner and just acquired a Nacra 570 with sails that are starting to delaminate... My current mainsail should last awhile but I'm looking at replacements already

Looks like a new Nacra 570 mainsail runs about $2K ...

Any alternatives that people are using that provide better value(same quality, lower price or better quality, same price)? I've seen a few videos a Hobie sails on Nacras what's with that?

Thanks!
MN3

Rank: Master Chief

Registered: Jun 20, 2006

Last visit: May 22, 2024

Posts: 7089
Posted: Oct 02, 2020 - 02:39 PM

Chip from whirlwind
he is a sailor - been in the business a long time
makes a great sail at a very fair price

http://www.whirlwindsails.com/nacra.html

I purchased 3 sails from him last year

QuoteI've seen a few videos a Hobie sails on Nacras what's with that?

there are SOME sails that will work decent on other boats
it is kinda rare and a poor match could have some bad results (poor helm, too much power, too much power forward, etc)

people usually would do that when they can't afford a new sail and or don't care about performance issues that may come with doing this or have the knowledge to know what sailshape and length will translate to on the water

i have purchased many tornado sails for my mysteres but that is a very similar boat, sailplan, hardware, etc

i now have custom sailes cut for my needs but will put a smaller f18 main on in higher wind (for less power)

If you are new, and don't know a lot about sail shape, and pros and cons of different shape, plus mast settings, ... i would stick with a new 5.7 main and jib sail from Chip - if you can afford it - its very nice to have sails that are very responsive

Edited by MN3 on Oct 02, 2020 - 03:38 PM.
shortyfox

Rank: Mate

Registered: Apr 07, 2017

Last visit: Nov 02, 2024

Posts: 364
Posted: Oct 02, 2020 - 03:36 PM

Unless you're racing, get dacron. Cheaper and will last for decades.

--
Bill Townsend
G-Cat 5.0
Sarasota
--
noodlecat

Rank: Lubber

Registered: Sep 30, 2020

Last visit: Jun 08, 2022

Posts: 4
Posted: Oct 03, 2020 - 09:42 AM

MN3Chip from whirlwind
he is a sailor - been in the business a long time
makes a great sail at a very fair price

http://www.whirlwindsails.com/nacra.html

I purchased 3 sails from him last year

QuoteI've seen a few videos a Hobie sails on Nacras what's with that?

there are SOME sails that will work decent on other boats
it is kinda rare and a poor match could have some bad results (poor helm, too much power, too much power forward, etc)

people usually would do that when they can't afford a new sail and or don't care about performance issues that may come with doing this or have the knowledge to know what sailshape and length will translate to on the water

i have purchased many tornado sails for my mysteres but that is a very similar boat, sailplan, hardware, etc

i now have custom sailes cut for my needs but will put a smaller f18 main on in higher wind (for less power)

If you are new, and don't know a lot about sail shape, and pros and cons of different shape, plus mast settings, ... i would stick with a new 5.7 main and jib sail from Chip - if you can afford it - its very nice to have sails that are very responsiveEdited by MN3 on Oct 02, 2020 - 03:38 PM.

Awesome thank you -- I've sent him an email!
noodlecat

Rank: Lubber

Registered: Sep 30, 2020

Last visit: Jun 08, 2022

Posts: 4
Posted: Oct 03, 2020 - 09:44 AM

MN3Chip from whirlwind
he is a sailor - been in the business a long time
makes a great sail at a very fair price

http://www.whirlwindsails.com/nacra.html

I purchased 3 sails from him last year

QuoteI've seen a few videos a Hobie sails on Nacras what's with that?

there are SOME sails that will work decent on other boats
it is kinda rare and a poor match could have some bad results (poor helm, too much power, too much power forward, etc)

people usually would do that when they can't afford a new sail and or don't care about performance issues that may come with doing this or have the knowledge to know what sailshape and length will translate to on the water

i have purchased many tornado sails for my mysteres but that is a very similar boat, sailplan, hardware, etc

i now have custom sailes cut for my needs but will put a smaller f18 main on in higher wind (for less power)

If you are new, and don't know a lot about sail shape, and pros and cons of different shape, plus mast settings, ... i would stick with a new 5.7 main and jib sail from Chip - if you can afford it - its very nice to have sails that are very responsiveEdited by MN3 on Oct 02, 2020 - 03:38 PM.

Awesome thank you -- I've sent him an email!
JohnES

Rank: Mate

Registered: Sep 01, 2002

Last visit: Oct 31, 2024

Posts: 796
Posted: Oct 03, 2020 - 05:54 PM

shortyfoxUnless you're racing, get dacron. Cheaper and will last for decades.

Though it has been done, Dacron is not recommended for a square top sail.. When I got my new sails done for the Prindle 18-2 I wanted to go Dacron, the sail-maker (Jay Glaser) highly recommend against it..

--
John Schwartz
Ventura, CA
--
shortyfox

Rank: Mate

Registered: Apr 07, 2017

Last visit: Nov 02, 2024

Posts: 364
Posted: Oct 04, 2020 - 09:30 AM

QuoteThough it has been done, Dacron is not recommended for a square top sail.. When I got my new sails done for the Prindle 18-2 I wanted to go Dacron, the sail-maker (Jay Glaser) highly recommend against it..

Interesting. I'd like to know why. I've seen dacron square tops and I actually got a quote from Glaser a few years ago for a square top and nothing was mentioned.

--
Bill Townsend
G-Cat 5.0
Sarasota
--
JohnES

Rank: Mate

Registered: Sep 01, 2002

Last visit: Oct 31, 2024

Posts: 796
Posted: Oct 04, 2020 - 03:44 PM

shortyfox
QuoteThough it has been done, Dacron is not recommended for a square top sail.. When I got my new sails done for the Prindle 18-2 I wanted to go Dacron, the sail-maker (Jay Glaser) highly recommend against it..

Interesting. I'd like to know why. I've seen dacron square tops and I actually got a quote from Glaser a few years ago for a square top and nothing was mentioned.

Call Jay and ask him...

--
John Schwartz
Ventura, CA
--
dssaak

Rank: Mate

Registered: Nov 18, 2005

Last visit: Apr 19, 2024

Posts: 236
Posted: Oct 04, 2020 - 09:54 PM

I believe it is doable but the cloth (high or low aspect) used needs to be correctly orientated to the load where the warp and fill are correctly aligned to take those loads.

--
dk

Blade F-16
Hobie 14
Corsair F-242
Mirage 25 (Sold)
Hobie Tiger (Sold)
Hobie Tiger (Sold)
TomCat 6.2 (Sold)
--
samc99us

Rank: Mate

Registered: Apr 15, 2005

Last visit: Feb 21, 2024

Posts: 574
Posted: Oct 05, 2020 - 08:24 AM

My experience is a Pentex Apen 06 or 09 main will last indefinitely. We have some at our club that are nearly 20 years old and still good enough to race with occasionally. I would not compromise with a dacron main that might last 1 or 2 seasons longer, at best. Now if you were sailing in the tropics, I would advise a different strategy.

Your other option may be to purchase a used F18 main, if you can find one. Area wise the F18 main is 0.45 m2 larger, so not too much of a change. Most of that is at the bottom, as the F18 main has a lower clew designed for a boom, and the 570 a higher cut clew designed for boomless operation. IME, most F18 mains will work OK boomless, ideally you would have the foot modified but used sails are never ideal and that is a few $$$ at the local loft to change.
MN3

Rank: Master Chief

Registered: Jun 20, 2006

Last visit: May 22, 2024

Posts: 7089
Posted: Oct 05, 2020 - 08:53 AM

Quote Interesting. I'd like to know why. I've seen dacron square tops and I actually got a quote from Glaser a few years ago for a square top and nothing was mentioned.

My novice guess is besides the load issue mentioned by dk, when dacron gets used it stretches and continues to stretch for it's life. most laminates last until they just die.

when you add a square top to a main it needs to be built up with many layers to be stiff enough to "break" (bend over) and let the air (power) bleed off when overpowered.

you can't get that stiffness with dacron, and if you did with some other material inserted the head of the sail would not stretch in unison with the rest of the sail. and you would have a very out of shape sail up there... and that is a bad spot to have bad air flow.

I don't purchase dacron mains
i do purchase dacron furling jibs as the constant furling is very harsh on a composite sail and will reduce the life of the jib vs the main
Wolfman

Rank: Chief

Registered: Jun 24, 2009

Last visit: Jun 15, 2023

Posts: 1555
Posted: Oct 05, 2020 - 07:32 PM

If you are gong new go with Chip Buck at whirlwind and dacron. I have his sails on my 5.2 and 5.7 and they are amazingly good value for the price. pentex, mylar or other materials are great but the performance benefit shouldn't be too noticeable. I have a dacron square top on my 5.2, but really don't have a good setup for downhaul so Im always really overpowered. I'd talk to chip about it. My pin top on the 5.7 is perfect for me.

--
Dave Bonin
1981 Nacra 5.2 "Lucile"
1986 Nacra 5.7 "Belle"
Winnipeg, Manitoba, Canada
--
dssaak

Rank: Mate

Registered: Nov 18, 2005

Last visit: Apr 19, 2024

Posts: 236
Posted: Oct 05, 2020 - 07:40 PM

We have a Tiger main for sale that is in great shape (listed on this site). I don't know about fitting your boat but since Sam mentioned it ...

--
dk

Blade F-16
Hobie 14
Corsair F-242
Mirage 25 (Sold)
Hobie Tiger (Sold)
Hobie Tiger (Sold)
TomCat 6.2 (Sold)
--
MN3

Rank: Master Chief

Registered: Jun 20, 2006

Last visit: May 22, 2024

Posts: 7089
Posted: Oct 06, 2020 - 09:03 AM

Quotego with Chip Buck at whirlwind and dacron. I have his sails on my 5.2 and 5.7 and they are amazingly good value for the price. pentex, mylar or other materials are great but the performance benefit shouldn't be too noticeable.

every material has pros and cons
this data shows that dacron is cheap and flexible but can't hold a candle to the other high tech sailcloth for stretch and elasticity. so if you want a cheap sail that will stretch and become less responsive over time (and blown out)- go with dacron
if you want a sail that will hold its shape until it dies - go with a high tech sailcloth

also consider cloth weight in your overall plan. i know my f18 sail is about 20 lbs lighter than an old dacron main i have

https://www.northsails.co…ding-the-right-materials

"The ideal sailcloth fiber would last for decades of use, stand up to the harsh sailing environment (toughness and structural durability), would not stretch under load (modulus and shape holding) and would be low in cost. But in the real world, available fibers exhibit varying degrees of these attributes with some materials having vanishingly small levels of stretch for weight, but less than desirable durability, while others are tough, but somewhat stretchy. Finding the right balance of properties for your type of sailing and keeping within budget is the key to being happy with your sails."
mrjim1

Rank: Lubber

Registered: Sep 15, 2018

Last visit: Feb 09, 2021

Posts: 3
Posted: Feb 09, 2021 - 06:58 PM

I have a 570 school main in Dacron sq top. Drop line and I can send pics.
mrjim1

Rank: Lubber

Registered: Sep 15, 2018

Last visit: Feb 09, 2021

Posts: 3
Posted: Feb 09, 2021 - 07:00 PM

I have a 570 school main in Dacron sq top. Drop line and I can send pics.
tominpa

Rank: Mate

Registered: Jul 29, 2015

Last visit: Jul 26, 2024

Posts: 590
Posted: Feb 09, 2021 - 11:56 PM

The change in sail performance is slow but inevitable. I can sail with my original 1984 sails, but as you can see from my avatar, it is plowing the bow and unpredictable heel. I have another sailboat, but I'm going to ask Whirlwind to make me whole on the 5.7. Dacron or Mylar?

--
Tom
NACRA 5.7 (1984 Sail 181)
Pennsylvania
--
MN3

Rank: Master Chief

Registered: Jun 20, 2006

Last visit: May 22, 2024

Posts: 7089
Posted: Feb 10, 2021 - 09:25 AM

if you want a main that will last forever but forever worsen it's shape go dacran
if you want a main that will hold most of it's shape for 100 uses (give or take with care) and then start to rip in spots where it is folded and creases are -go with a laminate sail (what everyone is calling mylar)
martin_langhoff

Rank: Mate

Registered: Oct 26, 2016

Last visit: Nov 04, 2024

Posts: 233
Posted: Feb 10, 2021 - 01:19 PM

Get Mylar, don't ever fold it, roll it, care for it like an overzealous parent...
samc99us

Rank: Mate

Registered: Apr 15, 2005

Last visit: Feb 21, 2024

Posts: 574
Posted: Feb 10, 2021 - 07:48 PM

http://www.bainbridgeint.com/PDFdocuments/Y101%20-%20All%20About%20Sailcloth.pdf