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-   -   F-138 (http://www.star-board-windsurfing.com/forum/showthread.php?t=4972)

Oldhorse 24th October 2008 11:49 AM

F-138
 
Hi
i am very new in windsurfing, and i do have problems in pointing with this board, please give some advise..

thank you very much.

Roger 24th October 2008 08:41 PM

Hello Oldhorse, and welcome to the Starboard forums!
I'm going to guess that you have either an F-Type 138 or one of the older small formula
boards.
Either way the technique to point the board upwind is the same, and there are really 2 different techniques depending on whether or not you are planing.
What size sail do you have and how much wind are you sailing in.
If you are not planing, the best way to stay upwind is to simply move off center on the board slightly upwind to tip the board so the upwind rail is lower than the downwind rail.
This works in non-planing conditions as uses the "shape" (rockerline) in the bottom of your board to cause the board to turn slightly upwind all the time.
You do not need to rake your sail back much at all, just keep it powered up so the cant in the bottom of your board can take you upwind.
If you have a large enough sail and are planing, then the way to go upwind (pointing) is
a bit more complicated to understand, but it works very well and can get you pointing higher and going much faster.
Once you are fully planing, hooked in, and in the footstraps, you lift slightly with you front foot to slightly roll your board until the lee rail is very slightly lower that the upwind rail.
Then you push across the top of the fin with your back foot/leg and the board will point upwind and sail upwind "on the fin".
This is very counterintuitive, but it's the way short wide boards with big fins go upwind.
Also what size fin do you have.
Hope this helps,

Roger 26th October 2008 07:35 AM

Hi again Oldhorse,
I was looking on the forum archives, and I was wondering exactly which board you
have.
What I said before would apply pretty much to the 2004 Formula 138; Free Formula 138 and the 2005 F-Type 138.
If you are using a fin smaller than the one provided with the board this could affect the upwind performance.
Also, what do you weigh (Kg./Lbs.)?
Hope this helps,

Oldhorse 26th October 2008 09:07 PM

hi Roger
thank you very much for your reply. i am 62kg and board that i have was a 2004 formula 138, i used muri 7.5 & NS 9 M sail, wind over here is below 10 Kn.
I did try the last two days again with your advise, and it work, thank again Roger.

Oldhorse 14th November 2008 02:42 PM

hi Roger,

Pls advise what will be sail size for me to planing at 5~10kn, i am 65kg thank you

Roger 15th November 2008 10:56 AM

Hi Oldhorse,
There is no sail currently on the market that will get you planing on your F-138 in 5 knots.
A really large free race rig (9.5 m2 or larger) will get you planing in around 8-9 knots with
really good technique, but a wider board would be even better with less pumping required.
Hope this helps,

Oldhorse 21st November 2008 12:39 PM

hi Roger

i my thinking of switching to Longboard PHANTOM 320, would it be more easy to handle then the formula 138? (eg. surfing in 5 knots and below type of wind, planning..) please give some advise.. thank you

Roger 21st November 2008 08:36 PM

Hi Oldhorse,
Yes, I completely agree, a longboard or transition board like the '07 Phantom 301 or the 2008 Rio M or Rio S would be much better for you in < 10 knots of wind.
If you get a Phantom, I'd look for the 301 cm long version. I had one of these in 2007 and it was pretty good. Here's a link:
http://2007.star-board.com/viewpage.php?page_id=33
I like the 2008 Rio M even better and it's about the best all around transition board I think any one has ever designed.
The 57 cm Clipper box centerboard works very well to allow you to sail upwind in very light winds, but when you stow the centerboard and put in a larger fin (approx. 56-60 cm) the Rio really give very good shortboard like performance.
At your weight, you could easily sail the Rio S, if you can find one.
Here's a link:
http://2008.star-board.com/2008/page...ucts/v_rio.php
So, yes look for a Phantom or Rio for your light wind sailing.
Hope this helps,

Oldhorse 21st November 2008 08:49 PM

hi Roger
thank you very much for your advise, as for price will the Phantom higher then Rio?

Roger 21st November 2008 09:53 PM

Hi Oldhorse,
I don't really know.
Both are now considered "used" or closeout boards, so I'd check with a few shops and see what kind of deal you can make.
Be sure you are getting a 2008 Rio. The '08 Rio is much different than the earlier Start based Rio's from '06 and '07.
Since you are only 62 kg. you might want to look for a Rio S as it's slightly narrower and has 175 liter volume which should be more than adequate if you've been sailing the F-138.
Where are you located (what country)?
Hope this helps,


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