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-   -   Race mast reforcement???? (http://www.star-board-windsurfing.com/forum/showthread.php?t=189)

gigo 1st September 2006 08:16 AM

Race mast reforcement????
 
Hello i?ll like to know what to do when a Fiberspar R4800 has been sanded bye the camber inducer and the wall of the mast has been reduced.

its correctly to refill that sanded area with fiberglass, what can i do??

Roger 2nd September 2006 08:58 PM

RE: Race mast reforcement????
 
Hi Gigo,
You could get some good epoxy resin, and some lite 6-8 Oz. fiberglass cloth and "fill in" the areas where the mast has been
abraded by your cams. That would work, but I wouldn't want to
trust that mast in a modern race sail.
I don't think the R4800 is a 100% mast, so maybe it will be OK for
recreational sailing after you fill the damaged areas and prehaps
put one layer of glass around the full diameter of the mast (but do not "overlap" the glass, just bring it around so it almost overlaps.
That's going to make the mast a little stiffer and heavier.
The bigger question is why the cams are abrading the mast to this degree.
Most modern sails have roller cams that might scratch your mast a little but certainly will not abrade it.
I think once you fix the mast it would be good to examine the cams to see if there is sand imbedded in them.
Take some abrasive cloth and smooth out any roughtness, remove and sand or other abrasives, and then coat your mast (for sure in the cam areas, but not in the boom clamiping area) with McLube Sailkote.
Do you rig your sail on the beach, in the sand?
Perhaps be more careful to not get any sand in the luff sleeve when you are rigging, and keep your sail out of the "shallows" where there a lot of waterbourne sand that can get into the luff sleeve and under your cams.
Get a rigging carpet/blanket or tarp to rig on.
The cam wear on the mast problem is one I haven't seen in over 10 years.
Hope this helps,

rgugli 12th September 2006 09:21 AM

RE: Race mast reforcement????
 
Hi Roger, I know that problem as I inspected that sail this weekend, is really strange, but no sand and this sail is usually rigged in garden. Is using the Severne cambers.

what do you think can be the cause? maybe the batten direction (angle) is making the sides of the cam to make friction with the mast instead of the rollers? because the rollers look like new, but the sides of the cams are sanded too, look also a bit deformed.

Ricardo

Krister 12th September 2006 02:47 PM

RE: Race mast reforcement????
 
What sail are you using?
The early Severne C2 do not have any roller cams...

gigo 16th September 2006 09:33 PM

RE: Race mast reforcement????
 
The sail is a Severne Overdrive 2006 or maybe even 2007 i think...
the mast is a Fiberspar R4800 520cm this means that is for Formula Experience.

The thing is that the mast has been sanded by the cambers but the extrange thing, like Ricardo says, the cambers has suffer all around the borders and not on the rollers how is supose to be, now the camber is deformed on the borders just in the same place that has friccion with the mast.

So the question is: what is happening, what is wrong with the sail or with the mast, the wear thing is that it doesnt happened the same sanded area with the other formula experience sailors.

Now could be a cambers probleme???


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