New freeride sail . Mast very hard to push in full length.

4 years ago
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franchetto
franchetto
WA
306 posts
WA, 306 posts
14 Apr 2022 10:23am
I just bought a new RRD 7 m X-tra freeride sail . Very hard to push in the last foot of the mast into the luff sleeve. Eventually it worked by pulling down very strongly with the downhaul winch, May be it is the sail that is designed with an excess luff curve. and pulling too hard may tear the fabric in the long run. .
The mast is an SDM 460 cm cc Gun Sail , 75 % carbon. Never had any problem with this mast before on other sails .
I also have to pull the outhaul considerably otherwise the battens protrude behind the luff and the sail will not rotate..
Maybe the the luff fabric will stretch and loosen by using it in the water.
Should I worry? I am still in time to return it.( I hope)
Any comments or suggestions?

Thanks

Francone
Sandman1221
Sandman1221
2776 posts
2776 posts
14 Apr 2022 11:49am
Pictures are very helpful to get advice.
Imax1
Imax1
QLD
4937 posts
QLD, 4937 posts
14 Apr 2022 5:17pm
Never ever , force a mast up the sleeve . It will end in tears with a broken sail pocket .
You kind of scrunch the sail to get it up there . Its a technique .
There are heaps of vids on youtube on how to do this .



Its an oldie but a goodie
Mark _australia
Mark _australia
WA
23647 posts
WA, 23647 posts
14 Apr 2022 3:19pm
I was also wondering if you're not scrunching the sail up enough
decrepit
decrepit
WA
12872 posts
WA, 12872 posts
14 Apr 2022 4:40pm
yes trying to get it up there with downhaul is an exercise in futility, collapse the sail at the boom cutout, you can do this with a gentle fold if you're careful, so you don't crease the monofilm. Then work your way up the sail threading the mast in as you go.
jn1
jn1
SA
2753 posts
jn1 jn1
SA, 2753 posts
14 Apr 2022 7:09pm
Imax1 said..
Never ever , force a mast up the sleeve . It will end in tears with a broken sail pocket .
You kind of scrunch the sail to get it up there . Its a technique .
There are heaps of vids on youtube on how to do this .



Its an oldie but a goodie



It depends on the brand. I can only talk with a select few brand models, and all my masts are RDM:

Severne wave sails, all sails greater than 2012: No problem. Just shove mast down in the pocket. You won't break the pocket. Really quick and the sail material has minimal creasing.

5.5 Ezzy Cheetah, the same.

Naish wave sails (2020 and below): Shove it in, until you get to about 20cm from the top (there is a little V in the material where the mast tip gets caught), shimmy down the mast and help it through. Then shimmy back and resume downhaul.

Sailworks Hucker, Revo: Do as the video says.

In the video the host puts the sail in the ground when the sail is creased up. Don't do that. Always have the sail/mast suspended when the sail cloth is creased. If you need to walk away to do something, suspend the mast with a boom so that the creases aren't touching the ground.
Paducah
Paducah
2833 posts
2833 posts
14 Apr 2022 7:58pm
Many/most new freeride sails are intended for use the RDMs and the luff sleeve will not be generous. Sticking an RDM up there will be easier but as others have said, shoving it from the bottom whatever mast you use is begging for problems with the luff sleeve and why so many used sails have torn stitching in the luff about 30cm from the top.
Subsonic
Subsonic
WA
3413 posts
WA, 3413 posts
14 Apr 2022 9:17pm
jn1 said..



Imax1 said..
Never ever , force a mast up the sleeve . It will end in tears with a broken sail pocket .
You kind of scrunch the sail to get it up there . Its a technique .
There are heaps of vids on youtube on how to do this .



Its an oldie but a goodie






It depends on the brand. I can only talk with a select few brand models, and all my masts are RDM:

Severne wave sails, all sails greater than 2012: No problem. Just shove mast down in the pocket. You won't break the pocket. Really quick and the sail material has minimal creasing.

5.5 Ezzy Cheetah, the same.

Naish wave sails (2020 and below): Shove it in, until you get to about 20cm from the top (there is a little V in the material where the mast tip gets caught), shimmy down the mast and help it through. Then shimmy back and resume downhaul.

Sailworks Hucker, Revo: Do as the video says.

In the video the host puts the sail in the ground when the sail is creased up. Don't do that. Always have the sail/mast suspended when the sail cloth is creased. If you need to walk away to do something, suspend the mast with a boom so that the creases aren't touching the ground.




Agreed.
i cringe watching people crease up monofilm at the beach, trying to save the last third of the mast pocket (top) from abrasion, and doing it anyway, because the luff curve of sail means it will always happen. I have pushed the mast straight in on some of my sails for years, and never had a luff pocket blow out. The very few i've seen it happen to(other people), the sail was well past its use by date.


best thing you can do is apply a little bit of downhaul and then give the top part of the sail a few taps to get the mast tip past the patch it always catches on at the very end. As Paducah said, a lot of free ride sails these days are designed to have an rdm in the luff pocket. If you're trying to get an sdm in, it will prove a little harder to do.


and if you do use the crease method, be sure to check the mast has stayed together. Seen a few masts blow up because they've partially parted when they've been pulled off the bottom half of the mast trying to shimmy them into the top half of the sail. (Actually, check regardless of what method you use).
FishMints
FishMints
SA
155 posts
SA, 155 posts
14 Apr 2022 11:10pm
I think your mast curve might not be as compatible as it should be. I had a similar issue with a 7.3 sail. Had a mast that was constant curve to suit, and apparently "75-80% compatible" - should be ok right? Inserting mast was ok but maybe more difficult than it should be, and batten ends never seemed to sit in the right positions. Eventually I bought the same brand mast as the sail (CC 460 SDM 70% Carbon) and it just seemed to slide in so much easier, and batten ends and tension just seemed to line up so much better. The last 30cm of mast push still requires guidance at that end (due to the seams in that area) but the rigging definitely feels easier and sits better than before with the different brand mast that should have been "compatible". The difference may seem minor - but it is noticeable.

Would I notice the difference between masts powered up and going full blast over water? ...probably not and to be honest - I never bothered to compare since the rigging is better.
Sandman1221
Sandman1221
2776 posts
2776 posts
14 Apr 2022 10:05pm
I always use a 1" wide piece of cheap duck tape to seal the joint, keeps sand out and prevents mast from separating during rigging. You can also loop a piece ~8" of clear heavy duty packing tape over the tip of the mast, that will make it slide in the last bit a lot easier and reduce wear on the luff sleeve, want heavier duty clear tape so it stays on when you remove the mast, instead of staying up at the top of the luff sleeve. Also, check the plastic mast top cap to see if it has a rough edge or squared off edge, can sand a radius on it so it does not grab the luff sleeve so much.
franchetto
franchetto
WA
306 posts
WA, 306 posts
17 Apr 2022 8:33am
Thanks you all
I solved the problem: I didn't notice at first that the mast tip had lost its rubber cap and the rough bare edge of the carbon mast tip was catching on something inside the luff or having friction with the fabric. I put a smooth cap on the top and the mast slid in by slightly twisting and pushing by hand.

Francone
GasHazard
GasHazard
QLD
385 posts
QLD, 385 posts
22 Apr 2022 8:56pm
You can lubricate the top of your mast too with McLube Sailcote (or substitute. It's too expensive for mere mortals). Spray the top metre or so of the mast a few times before rigging and the inside of the sleeve gets coated. It's slicker'n you know what.

Selley's Ezy Glide might do the job. Spray your wet suit zipper too.
ADinis
ADinis
62 posts
62 posts
29 Apr 2022 6:28am
Instead of tape on the joint mast, you can use rubber!! Check this



i'm using this tip, and save time and money!! And its faster!!
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