Mix and mast

8 years ago
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seanhogan
seanhogan
QLD
3424 posts
QLD, 3424 posts
23 May 2018 8:54am
Hi Carbon gurus

I was recently given a NP mast, top part is an X65 460, bottom part X100 490 !!!

Both from broken masts, shop gave it to me, has not been tested yet.
The two bits fit perfectly, snug fit.

Considering using it on a 8.6 for foiling, just wondering if there is any danger of mast exploding in use. Would hate damaging a sail just to see if it works....

Yes I know, it should be in the "mast section" of the forum, but I figured I might get more (and probably funny) answers over here !
seanhogan
seanhogan
QLD
3424 posts
QLD, 3424 posts
23 May 2018 8:55am
wonder if that makes it a 4.75 ??? will have to measure it
edit : just did = 4.76m
olskool
olskool
QLD
2462 posts
QLD, 2462 posts
23 May 2018 8:59am
Ive done similar to rig a 9.8 nitro. 100%C 520 base with 60%C 490 top 38 extension no issues. Probably won't win a race. But it works.
Only time ive had a mast explode was in an 8m warp. I chucked an old one piece in rigged it. Carried to the board, clicked it to board. BOOM!!! One 100% 490 destroyed. Sail survived.
seanhogan
seanhogan
QLD
3424 posts
QLD, 3424 posts
23 May 2018 9:03am
Thanks Olskool ! My primary goal with this sail is early take off in marginal winds. So it's going to cop a lot a heavy pumping !
DavMen
DavMen
NSW
1510 posts
seanhogan
seanhogan
QLD
3424 posts
QLD, 3424 posts
23 May 2018 4:11pm
thanks !
mr love
mr love
VIC
2421 posts
VIC, 2421 posts
23 May 2018 5:10pm
It,s gunna make it more flex top.
Waiting4wind
Waiting4wind
NSW
1871 posts
NSW, 1871 posts
23 May 2018 6:26pm
mr love said..
It,s gunna make it more flex top.


Will be an ultra flex top
pryde masts are already flex top and now your adding a softer top (lower imcs) to a stiffer bottom.
Could be also really useful if you want to use it as some form of catapult.
seanhogan
seanhogan
QLD
3424 posts
QLD, 3424 posts
23 May 2018 6:50pm
pole vault ??
Paducah
Paducah
2833 posts
2833 posts
23 May 2018 8:48pm
Did this once with a Powerex SDM 490 bottom and 460 top after getting the idea from Peterman for NP sail. Worked but still too overall stiff so found a 460 NP mast. Sail actually calls for 490 NP but I can barely downhaul the 460 which has worked out fine - I'm smaller than average.

Nothing blew up but the magnetic poles did flip for a while....


Oh, and now Ezzy does this with a bunch of their smaller sails which I actually find annoying that the recommended mast is a 430 top and 400 bottom. PITA. But their masts are intended to be interchangeable like this.
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