Hi Rob,
The 2008 Rio M uses a normal "twist plate"with a Starboard brass T-
nut.
The T-Nut comes with your board and should be wrapped in the little
bubble wrap
bag with the fin screws.
The reason you need the Starboard T-nut (vs a std. plate nut) is that
some mast base/
universal joints do not have a long enough 5/16-18 thread sticking out
the bottom to accomodate
the EVA deck pad. The brass Starboard T-Nut solves this problem.
As far as you mast extension, that will depend on the length of the
mast you buy (probably a
460 cm) and the luff length of the sail you buy.
You need to have enough extension to be able to extend you mast to the
specified luff length
(mast length + extension). It's a good idea to have a few cm extra as
you may need to really downhaul
your sail to make it more suitable for higher winds and overpowered
conditions.
BUT
If you don't need the Tall (43-45 ccm of extension adjustment (holes
or grooves in the extension) get the medium
25 cm adjustment extension as too much extension up in side the bottom
of your mast can cause problems.
If you only need a few cm of extension on your mast, to achieve the
recommended luff length, then you can 'get a
"stubby" extension (they come in 2 flavors 0 adjustment, and 15 cm
adjustment.
You need to buy a boom that will go about 10-15 cm longer than the
stated boom length (clew length) for you 6.5 m2 sail.
If you are planning to upgrade from a 6.5 to a 7.5, I'd go a little
longer on the boom to accomdate a 7.5.
Yes it adds a little weight, but a boom that isn't extended all the
way to the max. is normally stronger.
You may need to purchase a tall extension when you upgrade to the 7.5
m2 rig (depends of the sail makers luff
length specification. To upgrade from a 2008 6.5 m2 Sailworks Retro
(with the new clew configuration) to the 2008 7.5 m2
Retro, you would need a boom that covers
Here's the specs for the 2008 Retro 6.5 and 7.5
Retro 6.5 473 Luff length (460 mast + 13 cm of extension. Boom
length 186 cm min. 191 cm max.
Retro 7.5 495 Luff length (460cm mast with 35 cm of extension. Boom
length 206 cm min. 211 cm max.
So, for these 2 sails specifically you would need a boom that adjusts
from about 170 cm- to 230 cm
(HPL Slalom size) .
You would need 2 extensions, a mid size (25 cm adjustment) and a tall
extension (45 cm) to cover both sails.
Hope this helps,
On May 6, 3:59=A0pm, bertbarndoor <bertbarnd...@[EMAIL PROTECTED]
> wrote:
> Hi, should I be considering anything when purchasing a mast extension,
> foot, and boom please??? Are the footings board specific *Starboard
> Rio M 2008*? If I have a choice between 2 sizes of mast extension,
> what are the differences in length all about? Also for size of the
> boom, if I am going to get a 6.5 sail now, maybe a 7.5 down the road,
> what size boom should I get??? Thanks,
>
> Rob
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