gaastra gtx and mast

> 10 years ago
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jp747
jp747
1553 posts
1553 posts
7 Jan 2009 1:13am
i sailed this 08' 6.0 mtr. sail twice but am wary about the mast cuz i use the old NP matrix with yellow insignia am guessing 60% carbon content max. would this mast suffice the required 75% and newer masts? i noticed as i downhaul a ft. at a time the cams at the bottom get tighter and tighter that i make sure the cams don't come flying off however they pop nicely at both tacks and am thinking maybe the newer masts are a tad smaller in diameter...any suggestions
mkseven
mkseven
QLD
2315 posts
QLD, 2315 posts
9 Jan 2009 8:04pm
If the cams are rotating fine then the mast diameter is fine, most are a standard diameter apart from the dropshapes or rdms.

Cams will never come flying off as they get tighter, the direct opposite occurs.

60 vs 75% you won't tell the difference.

Just go and sail
MavericK040
MavericK040
WA
583 posts
WA, 583 posts
9 Jan 2009 8:00pm
Np mast up a gasstra sail?

they are exact opposites of what they need.

If theres issues with anything its cos of that.
seano
seano
NSW
150 posts
NSW, 150 posts
10 Jan 2009 12:38am
i used the same mast in an 06 gtx & it worked fine.
the bend curve changed in 06 on gaastra from hard top masts to more of a constant curve / slightly flex top masts. check www.peterman.dk/masts-all-imcs01.htm , like you i found the mast was quite a tight fit in the luff pocket, but worked fine.
Sailhack
Sailhack
VIC
5000 posts
VIC, 5000 posts
10 Jan 2009 11:23am
MavericK040 said...

Np mast up a gasstra sail?

they are exact opposites of what they need.

If theres issues with anything its cos of that.


You need to tell some shops that! My first rig (3 & 1/2 yrs ago) was a GTX 7.5 with a NP X6 mast! Was supposed to be a V6 sail, but they sold-out, told me that the GTX was equivalent, although I think I got a pretty good swap.

Although they seemed fine to me (not that I had much of a clue then......or now, for that matter!)

Prob was learning with a 7.5 sail with cams! I guess it's one way to learn how to progress fast!



jp747
jp747
1553 posts
1553 posts
10 Jan 2009 12:21pm
thanks guys that's what i needed..i downhauled to exact specs and seems very stable at mid to hiwind and works fine in gusts
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