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Who's Heard of GT Masts?
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nodak



Joined: 13 Nov 2012
Posts: 93

PostPosted: Tue Dec 11, 2012 12:54 pm    Post subject: Who's Heard of GT Masts? Reply with quote

I bought a 400cm GT Mast recently for my NP 5.4 Atlas. There's hardly no information available on these masts. It is a contant curve. Masts are made in Italy.

Has anyone had experience with these masts? What sails do you rig them with?

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edoremus337



Joined: 27 Aug 2011
Posts: 124

PostPosted: Tue Dec 11, 2012 1:02 pm    Post subject: Reply with quote

I have one GT mast that I use on my 7.5. I bought it used and it was matched with this sail: http://www.isthmussailboards.com/prodinfo.asp?number=GTSGT1D

they seem to be an off brand of Ezzy, their sails are exactly the same construction as the GT brand.

Seems like isthmus is the only company to sell this these types of sails/masts.
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zirtaeb



Joined: 03 Jul 2009
Posts: 2376

PostPosted: Tue Dec 11, 2012 4:07 pm    Post subject: Reply with quote

They should rig on any sail that can take an RDM mast, and most sails that don't.
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U2U2U2



Joined: 06 Jul 2001
Posts: 3056
Location: Shipsterns Bluff, Tasmania. Colorado

PostPosted: Tue Dec 11, 2012 8:27 pm    Post subject: Reply with quote

the sails I read are a junior varsity version of Ezzy Sails, less of the good stuff, and heavier.

the masts are not Ezzy, Ezzys are made by NoLimitz in the USA and don't produce a 100% nor a SDM

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U2U2U2



Joined: 06 Jul 2001
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Location: Shipsterns Bluff, Tasmania. Colorado

PostPosted: Tue Dec 11, 2012 8:29 pm    Post subject: Reply with quote

zirtaeb wrote:
They should rig on any sail that can take an RDM mast, and most sails that don't.


since they also made a SDM.

I hope this post is a joke and others don't take it serious

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zirtaeb



Joined: 03 Jul 2009
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PostPosted: Tue Dec 11, 2012 8:32 pm    Post subject: Reply with quote

Text with the picture says "GT RDM".....
Most RDM's are interchangeable, as we don't know exactly what winds and what weights we're dealing with.
A softer RDM makes the draft flatter and farther back, not necessarily a bad thing.
A stiffner RDM makes the draft lock farther forwards, can hinder rotation, can kill low end, but it would work.
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zirtaeb



Joined: 03 Jul 2009
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PostPosted: Tue Dec 11, 2012 8:41 pm    Post subject: Reply with quote

Oh, I've been using, part time, RDM masts in NP and Gaastra's since the early '90's. They work just fine. Some less knowledgable riggers forget to add extra outhaul, so the sail's feel like mush, which they say.
I always say, forget the numbers. Instead, TUNE the sail correctly.
The best sail badly tuned is a bad sail. The worst sails perfectly tuned can work ok.
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nodak



Joined: 13 Nov 2012
Posts: 93

PostPosted: Tue Dec 11, 2012 9:09 pm    Post subject: Reply with quote

The 100% GT mast is at 4.45 lbs while the 91% comparable Ezzy mast is 4.4 lbs according to isthmussailboards.com, a seller of GT masts .
It seems like the GT masts are the "K-Mart" Transformers" if you draw Gobot-Transformer analogy.


Last edited by nodak on Tue Dec 11, 2012 9:16 pm; edited 1 time in total
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bsangeor



Joined: 11 Jun 2005
Posts: 145
Location: SE Michigan

PostPosted: Tue Dec 11, 2012 9:12 pm    Post subject: Reply with quote

The GT Sails and masts are Isthmus' (Gary Stone's) own brand. Best bet would be to ask them about the details.

Brian
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U2U2U2



Joined: 06 Jul 2001
Posts: 3056
Location: Shipsterns Bluff, Tasmania. Colorado

PostPosted: Tue Dec 11, 2012 10:31 pm    Post subject: Reply with quote

zirtaeb wrote:
Text with the picture says "GT RDM".....
Most RDM's are interchangeable, as we don't know exactly what winds and what weights we're dealing with.
A softer RDM makes the draft flatter and farther back, not necessarily a bad thing.
A stiffner RDM makes the draft lock farther forwards, can hinder rotation, can kill low end, but it would work.


you have to look a little further in the product to see what else they make, not just RDMs.

winds and weights have nothing to do with mast/sail compatibility.

yes any RDM will fit the sleeve, will it perform well, hardly if its too far away from the correct mast bend curve, it won't come close to the range as designed. If its the correct curve it will be soft or stiff as recommended.

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