Hey guys!

Does anyone still have that Boards/Windsurf magazine artical on masts and the differnt bend curves, if they could post it up that would be sick!

My problem is, that i want to get a new 400 mast for my 2010 Gaastra Manic HD and im not to sure what i should get.

Im definately thinking 100% Skinny, but just not sure on brands and how they would work.

In an ideal world, i would get a Gaastra 100% but they aren't cheap!

I was thinking Amex, Tushingham etc!

Let me know if anyone has experienced or used any of these masts on a 2010 Gaastra Manic!

Cheers guys!

Steve

www.seabreeze.com.au/forums/topic.asp?TOPIC_ID=42064

peterman.dk/masts-all-imcs01.htm

I use Amex's on my 2009 poisons (I think you tried it in the Summer at Dendy)

It's ok but rig it up first - where are you? 4boards.co.uk give pretty good deals. They're on skype if that helps.

Cheers

Whats ya new job like sflack dude as a windsurf teacher in Egypt??

I measured a Hypersonic skinny once that had about 10%bend.

<ed> Just remembered Gaastras are 12% these days. Sorry. Don't use a Hypersonic. Px, Severne, as Mr Love suggests. Loft fills the bill too and Naish. I would be wary of Maui Sails. They tend to be hard top which you may not like if you are looking for power.

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NotWal said...

I measured a Hypersonic skinny once that had about 10%bend.

You sound like a Ideas man a???

Anything that has a bend curve of 9-12ish should work. Powerex, Severne for sure would. Amex looks like it would from the Peterman site , probably Maui sails as well.
Dunno about others.

in response to this thread and more of a question..is there one mast you all can say that is universally accepted by most sailsam sick of trying to get specific masts for specific sails and won't work properly

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jp747 said...

in response to this thread and more of a question..is there one mast you all can say that is universally accepted by most sailsam sick of trying to get specific masts for specific sails and won't work properly

If you stick to 12% bend masts and sails you will have the widest field of choice.

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NotWal said...

jp747 said...

in response to this thread and more of a question..is there one mast you all can say that is universally accepted by most sailsam sick of trying to get specific masts for specific sails and won't work properly

If you stick to 12% bend masts and sails you will have the widest field of choice.

Hello Notwall how would know regarding 12% bend? a friend imported a lot of Triana masts doesn't say much only length..i think they do make masts for Gaastra. But anyways what mast(s) in particular have the bend..can you mention a few cuz i have no clue...regards

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jp747 said...

NotWal said...

jp747 said...

in response to this thread and more of a question..is there one mast you all can say that is universally accepted by most sailsam sick of trying to get specific masts for specific sails and won't work properly

If you stick to 12% bend masts and sails you will have the widest field of choice.

Hello Notwall how would know regarding 12% bend? a friend imported a lot of Triana masts doesn't say much only length..i think they do make masts for Gaastra. But anyways what mast(s) in particular have the bend..can you mention a few cuz i have no clue...regards

Triana made masts for many brands. They could have different bend specs. Only way to know for sure is to measure them yourself. :-(

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jp747 said...

NotWal said...

jp747 said...

in response to this thread and more of a question..is there one mast you all can say that is universally accepted by most sailsam sick of trying to get specific masts for specific sails and won't work properly

If you stick to 12% bend masts and sails you will have the widest field of choice.

Hello Notwall how would know regarding 12% bend? a friend imported a lot of Triana masts doesn't say much only length..i think they do make masts for Gaastra. But anyways what mast(s) in particular have the bend..can you mention a few cuz i have no clue...regards

As Sailquick said Triana make masts for lots of brands. Whether the specs vary or not you wont know without measuring them. The same goes for most brands. However some of them list their curve difference. Ezzy I believe are 12%, The Loft publish their curve as 12%. Powerex used to. I believe Severne are 12% but they measure them differently.
The novel brands like Spiro, Hypersonic, Unifiber, Triana etc have to be measured. I think the Tushies are a bit soft top but I don't know for sure. NP certainly are.
If in doubt query the manufacturers.

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NotWal said...

jp747 said...

NotWal said...

jp747 said...

in response to this thread and more of a question..is there one mast you all can say that is universally accepted by most sailsam sick of trying to get specific masts for specific sails and won't work properly

If you stick to 12% bend masts and sails you will have the widest field of choice.

Hello Notwall how would know regarding 12% bend? a friend imported a lot of Triana masts doesn't say much only length..i think they do make masts for Gaastra. But anyways what mast(s) in particular have the bend..can you mention a few cuz i have no clue...regards

As Sailquick said Triana make masts for lots of brands. Whether the specs vary or not you wont know without measuring them. The same goes for most brands. However some of them list their curve difference. Ezzy I believe are 12%, The Loft publish their curve as 12%. Powerex used to. I believe Severne are 12% but they measure them differently.
The novel brands like Spiro, Hypersonic, Unifiber, Triana etc have to be measured. I think the Tushies are a bit soft top but I don't know for sure. NP certainly are.
If in doubt query the manufacturers.

Notwall and Sailkwik, how do i measure so i have an idea let's say for a 430cm?

Mr Peterman has thoughtfully provided the formulae.

peterman.dk/mast-imcs-formulas.htm

You need a couple of trestles or step ladders to hold it up.
Support it 50mm in from each end.
Tie a string line or bungee line directly above it and parallel to the mast.
Locate the quarter points.
Measure the vertical distance to the mast at the 3 quarter points.
Hang 30kg of the midpoint. Exercise weights are convenient.
Now measure the vertical distances to the deflected quarter points.

Calculate the 3 deflections and chuck them into the formulae.

Select to expand quote

NotWal said...

Mr Peterman has thoughtfully provided the formulae.

peterman.dk/mast-imcs-formulas.htm

You need a couple of trestles or step ladders to hold it up.
Support it 50mm in from each end.
Tie a string line or bungee line directly above it and parallel to the mast.
Locate the quarter points.
Measure the vertical distance to the mast at the 3 quarter points.
Hang 30kg of the midpoint. Exercise weights are convenient.
Now measure the vertical distances to the deflected quarter points.

Calculate the 3 deflections and chuck them into the formulae.

thanks for the help