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Square top main for Nacra 6.0 NA #275981
10/30/14 08:15 AM
10/30/14 08:15 AM
Joined: Jun 2012
Posts: 10
Israel
E
Eric_J Offline OP
stranger
Eric_J  Offline OP
stranger
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Joined: Jun 2012
Posts: 10
Israel
Apparently I have to replace my Nacra 6 main. I heard that there is an option to use a square top main instead of the original pin top one. Does anyone have an experience with this configuration?
any suggestion for where to buy a new/used main for Nacra 6.0.

TNX,
Eric

-- Have You Seen This? --
Re: Square top main for Nacra 6.0 NA [Re: Eric_J] #275984
10/30/14 10:44 AM
10/30/14 10:44 AM
Joined: Apr 2004
Posts: 713
WA, ID, MT
davefarmer Offline
old hand
davefarmer  Offline
old hand

Joined: Apr 2004
Posts: 713
WA, ID, MT
I don't have any experience with the 6.0, but I've put pentex square tops on two Supercat 20s, with great results. Both Glaser and Elliot Pattison have been great to work with, and produced top quality sails for me.

I think the only question might be whether your mast is up to the additional load up high, hopefully others will chime in.

Dave

Last edited by davefarmer; 10/30/14 10:46 AM.
Re: Square top main for Nacra 6.0 NA [Re: davefarmer] #275985
10/30/14 11:25 AM
10/30/14 11:25 AM
Joined: Nov 2008
Posts: 490
catandahalf Offline
addict
catandahalf  Offline
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Joined: Nov 2008
Posts: 490
Randy Smyth was the original designer of the Nacra 6.0 NA with the fat top main. Contact Randy for the specs and cost for the retro-fit.

Re: Square top main for Nacra 6.0 NA [Re: Eric_J] #275986
10/30/14 11:29 AM
10/30/14 11:29 AM
Joined: Jan 2005
Posts: 6,049
Sebring, Florida.
Timbo Offline
Carpal Tunnel
Timbo  Offline
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Joined: Jan 2005
Posts: 6,049
Sebring, Florida.
Do you have a web address for Randy's loft?

I just saw him in Sarasota but forgot to get his contact info.

There were a couple Tri's and Stiletto's with huge square tops! Now I want one for my Prindle 18 and Hobie 14!


Blade F16
#777
Re: Square top main for Nacra 6.0 NA [Re: Timbo] #275987
10/30/14 01:05 PM
10/30/14 01:05 PM
Joined: Dec 2001
Posts: 5,590
Naples, FL
waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

Joined: Dec 2001
Posts: 5,590
Naples, FL
Originally Posted by Timbo

There were a couple Tri's and Stiletto's with huge square tops!


Those weren't square tops... they were rectangles.

Either that, or they hoisted the square-top sail upside down...


Jay

Re: Square top main for Nacra 6.0 NA [Re: Eric_J] #275991
10/30/14 03:53 PM
10/30/14 03:53 PM
Joined: May 2004
Posts: 1,403
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Ventucky Red Offline
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Ventucky Red  Offline
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Joined: May 2004
Posts: 1,403
Is your mast a single or double diamond wire set up?

I am sure others will chime, but if a single wire, I believe that upgrading to a square top was causing some mast failures...

Last edited by Ventucky Red; 10/30/14 03:55 PM.
Re: Square top main for Nacra 6.0 NA [Re: Ventucky Red] #275992
10/30/14 04:59 PM
10/30/14 04:59 PM
Joined: Jun 2001
Posts: 12,310
South Carolina
Jake Offline
Carpal Tunnel
Jake  Offline
Carpal Tunnel

Joined: Jun 2001
Posts: 12,310
South Carolina
Originally Posted by Ventucky Red
Is your mast a single or double diamond wire set up?

I am sure others will chime, but if a single wire, I believe that upgrading to a square top was causing some mast failures...


I thought all N.A. versions had double diamonds?


Jake Kohl
Re: Square top main for Nacra 6.0 NA [Re: Jake] #275993
10/30/14 07:00 PM
10/30/14 07:00 PM
Joined: Jun 2001
Posts: 3,116
Annapolis, MD
Mark Schneider Offline
Carpal Tunnel
Mark Schneider  Offline
Carpal Tunnel

Joined: Jun 2001
Posts: 3,116
Annapolis, MD
Originally Posted by Jake
Originally Posted by Ventucky Red
Is your mast a single or double diamond wire set up?

I am sure others will chime, but if a single wire, I believe that upgrading to a square top was causing some mast failures...


I thought all N.A. versions had double diamonds?


True but not all Nacra 6.0s had double diamonds and a front foil.

I believe Randy super-sized the Nacra re-designed rig called the NA for the US market and called his rig design the Nacra Express version. All of this development predated the spinnaker evolution and the various snuffer solutions. If you are updating the sailplan.... following the lead of the F18's makes the most sense... (Flat chute... self tacking jib. high aspect square top main). If you are staying with the sloop only version... then the huge jib is a big factor in going down wind.


crac.sailregattas.com
Re: Square top main for Nacra 6.0 NA [Re: Eric_J] #275994
10/30/14 09:20 PM
10/30/14 09:20 PM
Joined: Jul 2001
Posts: 2,844
42.904444 N; 88.008586 W
Todd_Sails Offline
Carpal Tunnel
Todd_Sails  Offline
Carpal Tunnel

Joined: Jul 2001
Posts: 2,844
42.904444 N; 88.008586 W
I ran a custom Sq. top main on my N6.0na.
Was made by a loft Clear Lake TX. (Houston). Forgot the name.
NO problems with the Sq top and a chute on it.
Well- the orignal mast did invert once- we loosened the diamonds and bent it longways back again. Worked again for years. Until one light/moderate wind day with only the main and jib up, one of the spreaders broke. The mast didn't break, but it was totalled after that one.
FWIW- it'll handle a Sq top. And I ain't Randy S.

You're still sailing a 6.0? Cool

** Just realized that's my old 6.0 with the original pin top in the Avatar.

Last edited by Todd_Sails; 10/30/14 09:21 PM.

F-18 Infusion
#626- SOLD it!

'Long Live the Legend of Chris Kyle'
Re: Square top main for Nacra 6.0 NA [Re: Eric_J] #275999
10/31/14 07:00 AM
10/31/14 07:00 AM
Joined: Jul 2006
Posts: 304
H
Hullflyer1 Offline
enthusiast
Hullflyer1  Offline
enthusiast
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Joined: Jul 2006
Posts: 304
I had a Nacra 6.0 NA and had square tops for years.
The first was made by Calvert sails in Florida (Pentex Optic)
The second was made by Elliot Pattison (Dacron 6 oz)
y preference was the Dacron sail as I was not racing and it could handle the rolling of the sail and flogging while on the beach. I also liked that the had a bottom batten at the foot and the Calvert sails did not which caused excessive flogging when I dropped the mainsheet blocks and let it sit on the beach between sails.
Never had a mast problem with either set of sails

Re: Square top main for Nacra 6.0 NA [Re: Hullflyer1] #276002
10/31/14 08:16 AM
10/31/14 08:16 AM
Joined: Mar 2002
Posts: 3,355
Key Largo, FL and Put-in-Bay, ...
RickWhite Offline

Carpal Tunnel
RickWhite  Offline

Carpal Tunnel

Joined: Mar 2002
Posts: 3,355
Key Largo, FL and Put-in-Bay, ...
I used square tops on mine and they work great. I am a dealer for Calvert and he is very proactive on his designs. Even to the point of the Wave sail.
Here are the sails I market for Calvert
http://www.onlinemarinestore.com/store/pc/viewBrands.asp?idbrand=8&pagestyle=


Rick White
Catsailor Magazine & OnLineMarineStore.com
www.onlinemarinestore.com
Re: Square top main for Nacra 6.0 NA [Re: Eric_J] #276021
11/02/14 03:05 AM
11/02/14 03:05 AM
Joined: Jun 2012
Posts: 10
Israel
E
Eric_J Offline OP
stranger
Eric_J  Offline OP
stranger
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Joined: Jun 2012
Posts: 10
Israel
Guys,

Thanks so much for so many comments.
Yes, I'm still sailing Nacra 6.0 and enjoying it.
My boat definitely has a double diamond.

I have a small question to the ones that did this upgrade, should I expect enhanced performance. How would it effect the tacking upwind capabilities.

Thanks again,
Eric

Re: Square top main for Nacra 6.0 NA [Re: Eric_J] #276035
11/03/14 03:58 PM
11/03/14 03:58 PM
Joined: Jan 2010
Posts: 22
southern germany
S
stampede Offline
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stampede  Offline
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Joined: Jan 2010
Posts: 22
southern germany
We use a Tornado fat-head main on our 6.0. Mast length differs approx.8cm only. (Tornado mast is shorter).

Re: Square top main for Nacra 6.0 NA [Re: Eric_J] #276036
11/03/14 04:13 PM
11/03/14 04:13 PM

M
MN3
Unregistered
MN3
Unregistered
M



You should be able to point a bit higher, perhaps a bunch higher if you also get a new jib and you should feel much more responsiveness from your sail (adjustments are more noticeable).

I tell people it's like putting a new engine in your 25 year old car


Originally Posted by Eric_J
Guys,

Thanks so much for so many comments.
Yes, I'm still sailing Nacra 6.0 and enjoying it.
My boat definitely has a double diamond.

I have a small question to the ones that did this upgrade, should I expect enhanced performance. How would it effect the tacking upwind capabilities.

Thanks again,
Eric

Re: Square top main for Nacra 6.0 NA [Re: Eric_J] #276037
11/03/14 05:30 PM
11/03/14 05:30 PM
Joined: Apr 2011
Posts: 77
Florida Keys
I
I W S Dennis Offline
journeyman
I W S Dennis  Offline
journeyman
I

Joined: Apr 2011
Posts: 77
Florida Keys
I have used both Dave Calvert Nd Randy's square tops and both improved performance in both directions. If you come to the Keys in Islamorada you can try one out with rollerfurl jib and spin. I'm at the islander resort in Islamorada. Islanderwatersports

Re: Square top main for Nacra 6.0 NA [Re: Mark Schneider] #276108
11/05/14 09:12 PM
11/05/14 09:12 PM
Joined: May 2004
Posts: 1,403
V
Ventucky Red Offline
veteran
Ventucky Red  Offline
veteran
V

Joined: May 2004
Posts: 1,403
Originally Posted by Mark Schneider
Originally Posted by Jake
Originally Posted by Ventucky Red
Is your mast a single or double diamond wire set up?

I am sure others will chime, but if a single wire, I believe that upgrading to a square top was causing some mast failures...


I thought all N.A. versions had double diamonds?


True but not all Nacra 6.0s had double diamonds and a front foil.

I believe Randy super-sized the Nacra re-designed rig called the NA for the US market and called his rig design the Nacra Express version. All of this development predated the spinnaker evolution and the various snuffer solutions. If you are updating the sailplan.... following the lead of the F18's makes the most sense... (Flat chute... self tacking jib. high aspect square top main). If you are staying with the sloop only version... then the huge jib is a big factor in going down wind.


Not to mention there were a few of Roy's Toys running around out there that had a single diamond wire mast.... To add injury to insult, the had 1/8" wires too....


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