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> 10 years ago

General Gps & Speed Waves Foiling Gear Reviews Lost & Found WA NSW QLD SA VIC TAS

Arlo

139 posts

Arlo

SA, 139 posts

17 Sep 2007 10:54pm

Having just ordered my first rdm mast from surfsail I have had to buy a new extension to go with it. As I have always had North Pin deck plates that is what I have gone for; however, I thought it would be useful to see whether there were any benefits in the cup option as it isn't too late for me to change my mind.
Any thoughts......

nebbian

6277 posts

nebbian

WA, 6277 posts

18 Sep 2007 7:21am

With the cup system, if a clip breaks off (like happened to me last week, as well as last year) then your mast still stays attached to the board 'cos you've still got one left.

From what I've seen, you don't get any warning with the pin system, if it breaks then you're going to go for a swim.

Still, if you've got lots of pin deck plates then you're probably better off going for them -- at least that way you've got spares.

Leech

1933 posts

Leech

WA, 1933 posts

18 Sep 2007 10:38am

the cup system is weak (as mentioned by Nebbian).

the pin system is much stronger. 3 sailors in my family using pins for 10 years never had a break.

Apparently there were cheap and nasties a few years ago where the thread on the inside of the pin would strip under heavy load. But if you get a reputable brand you will be ok.

555

892 posts

555

892 posts

18 Sep 2007 1:38pm

Not all pin systems are created equall!

There were problems with a particular variety where the pin was shearing off under load due to a stress point caused by the way they join to the uni.

What Nebbian was getting at (I think) was that if part of your cup system breaks, you can still use it. BUT if part of the pin breaks, you're screwed.

But then, as Leech says - if you buy rubbish, you'll get rubbish!

I have cups on my gear, and I bought one setup from a professional level european sailor who'd tried both extensively and decided that the cup was the one to get after he had a pin break and lost a rig on a big day. The second set I have is also twin pin cup made by streamlined, and reputed to be the toughest most reliable piece of kit on the market. The guy I bought that off didn't call it 'wavesailing' unless it was at least 25 knots cross-off, and twice mast high.

I'm no where near that level, so I figure that either set will be more than tough enough to take anything I can throw at it!

ab01

QLD

87 posts

ab01

QLD, 87 posts

18 Sep 2007 5:10pm

I have broken two stainless threads on the euro pin type. For last two years have used only cup type with no problems. I think that the pin type is weaker because there is more leverage acting on the pin - the cup being wider diameter is less prone to movement & loads. The new chinook one piece cast stainless pin types are good (also expensive) but you are then stuck with using tendons rather than the standard uni joint which has a bit more give in it & less prone to breakage (especially in surf)

Arlo

139 posts

Arlo

SA, 139 posts

18 Sep 2007 4:56pm

Cheers guys; as I have never had a problem with the pins, possibly due to lack of effort on my part, and as has been said before I have spares I think I'll stick with the ordered pin and consider changing if I have a problem in the future.

Haircut

QLD

6491 posts

Haircut

QLD, 6491 posts

18 Sep 2007 9:20pm

i love it when the cup vs pin threads get resurrected

i bought two chinook cups when i first started sailing 5.5 years back and still using the very same ones to this day. yet to see anyone break one (no doubt sure someone somewhere has broken one somehow)- but the plastic does slowly wear away both where it rubs back and forth against the extension and where the thread that screws to the board goes through the hole, to the point where eventually you'll have to replace it. If you bust the spring clip that sits inside it you simply poke some rope through the holes once attached to the extension, and sail back to beach

i've seen many euro pins break right where the smooth shaft meets the thread, and like the others said, no joy when this happens

lanky

QLD

213 posts

lanky

QLD, 213 posts

18 Sep 2007 10:08pm

At our local windsurf school we manage to break 1 maby 2 every 2 years. I think this is pretty good considering the use and abuse they get (sails getting filked dropped, bases getting trown around, left in the sun, etc, etc) we have heaps of tendons breaking but no pins, I switched to the cup system when I bough tmy skinny because I could only get a skinny extension with the cup system and after 1 1/2 years use it shows no signs of wear and tear. I think both are very strong and it depends entirely on the brand.

Anyone tried those new Neil Pryde systems with the one pin? Supposed to be super strong!!

jord070

1109 posts

jord070

WA, 1109 posts

18 Sep 2007 8:13pm

too add on to the question i only have used the cups with the freemoove tendon [the skinyier one] so im interested in finding out what people think about the fat wave tendon, i have heard they break easier and are harder to fix and all the usall stuff, so i want to hear some peoples opinions on this, my tendon is wearing out with a few cracks starting to apear so i would like to hear peoples thought on pro's and cons, i cant really Imagen to much of a performance difference because they are designed for the same thing, and does any one use those mechanical ones still,.

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