some photos of testing tryouts inovation on 2010 vapor prototype:

Important: This is only test prototype, not final look of vapor
I am very shure that this don't be vapor 2010 look








cheerz

A.R.T did this years ago....

Bender said...

mmmmmmmm as i see it, it could be painful re-theading your adjustable outhaul everytime you rig up as you would have to take off the tail peice of your boom to get it through the sail. [}:)]

Looks wicked though

I think I see a zipper..

This is very similar to the A.R.T. sail although the A.R.T. sail required a specialist boom..

Yep, A.R.T tried this years ago, A.R.T sails also had a normal rear eyelet position.

Years ago had some of those A.R.T sails & still have the rear end boom fittings.

Using the A.R.T sails with the boom connected to the inner eyelet similar to Gaastra position in the photo didn't seem to work . The sail shape was unstable, lack power/ drive, unable to sail upwind, ended up only using the normal boom rear eyelet position.

Maybe Gaastra have made the A.R.T concept stable & it actually works now?

@ice
do you have any link of that ART sail?
I like to see it very much

Looks like the sail Arnon Dagan used at the recent Formula Worlds

wkcwarrior said...

@ice
do you have any link of that ART sail?
I like to see it very much

www.windsurfingmag.com
rsracing.neilpryde.com/download/pdf/test_result_surf_0903.pdf

10 years so it would be off patent if there was one. It's a pity the Vapor design doesn't lend itself to cutouts due to lack of crossover batten. I did notice the extra boom particularly when riding small boards, but it wasn't annoying. Surely they can take 5-10cm off without disturbing the sail to the extent of that zippered system. Then maybe it'll have the good compromise of both traditional boom length and cutout system

If you put a cutout to a sail i think the skin tension will change dramatically.
So you will have to design the sail all over. I have heard that you will loose stability with cutouts. These cutouts are often done only because of demand from the markets. Not because it would give you some kind of edge.

my experience exactly

FIN555 said...

Looks like they are still testing http://www.pritchardwindsurfing.com/content/blogcategory/14/44/

The word on the street is that Dan Kasseler did some re-cuts in france last 2 weeks and the final patterns are going to the factory to start production - maybe we will see the clew position inside the sail after all! Will have to wait and see what comes out!