Bird Island last weekend summary

Bird Island last weekend summary

Post by Tom Alber » Fri, 22 Feb 1991 00:07:17


Quote:
>It was a great weekend to be in Corpus.
>Saturday I was totally overpowered on a 5.7 (could have used
>a 4.5) but it was great fun being slammed and launched
>around at Bird Island.
>Water temp was in the 60's and air in the 70's.
>Sunday blew harder and I was totally overpowered on a 4.6.

    Keep us/me posted on the CC scene.  I am interested in learning the
    prevailing conditions at different times of the year.  Specifically,
    were these winds thermals from the south or frontals from the north ?
    I guess if they're thermals, they could be daily occurences.  If they're
    frontals, they'd be more periodic.

Quote:
>I added a new carbon slalom mast (2 piece) to my
>collection.  It is by NOLIMITZ.  It appeared to be
>well constructed and was very light indeed.  I had
>never heard of the brand is it a new company?

    NOLIMITZ IS a new company.  These masts are made in the Gorge.
    I'm pretty e***d about getting one or two for myself this year.
    What was the model and price - if you don't mind saying.
    Also, was it white or grey ?

    tom.

 
 
 

Bird Island last weekend summary

Post by Kirk Lindstr » Fri, 22 Feb 1991 00:37:38

I just ordered a set of KaBooms - 1992 Gorge Model prototypes.
-They are supposed to have elipitical tubes and
 a Gorge Technology Clamp-on front end.
I wonder what I'll get after your posting.  I'm glad
you like them, I can't wait to get mine.
-Kirk out

 
 
 

Bird Island last weekend summary

Post by Scott Math » Fri, 22 Feb 1991 23:23:03

Quote:

>>It was a great weekend to be in Corpus.
>>Saturday I was totally overpowered on a 5.7 (could have used
>>a 4.5) but it was great fun being slammed and launched
>>around at Bird Island.
>>Water temp was in the 60's and air in the 70's.
>>Sunday blew harder and I was totally overpowered on a 4.6.

>    Keep us/me posted on the CC scene.  I am interested in learning the
>    prevailing conditions at different times of the year.  Specifically,
>    were these winds thermals from the south or frontals from the north ?

I'll be the first to admit that I'm bad with directions, but it seems to me
that the winds were in the "normal" direction over bird.  This would make
it a southern thermal.  This weekend we are expecting a cold front to hit
on Sunday.  We are expecting strong thermals on sat followed by calm followed
by really cold (for us) strong north winds on sunday.  March thru May is
usually a honkin good time in CC AND its warm.

Quote:

>>I added a new carbon slalom mast (2 piece) to my
>>collection.  It is by NOLIMITZ.  It appeared to be

>    NOLIMITZ IS a new company.  These masts are made in the Gorge.
>    I'm pretty e***d about getting one or two for myself this year.
>    What was the model and price - if you don't mind saying.
>    Also, was it white or grey ?
>    tom.

The model was the slalom carbon (or some such).  it is a two piece (mandrel
style connection) mast about 15' long (constant curve).  I would guess that
it weighs about 3.5 lbs.  color: white    It appears to be very well made.
The price wasn't the greatest in the world:  $300 + tax.  It has warnings
on the base recommending no wave jumping greater than 1' and no more than
12" of mast base extension.  the latter I haven't figured out yet.  does
it mean not to put more than 12" of mast base into the bottom OR does it
mean that the portion of mast base sticking out the bottom (i.e. between
the board and the mast bottom) should not exceed 12" ???

gsm

 
 
 

Bird Island last weekend summary

Post by Wilton Ha » Sun, 24 Feb 1991 08:29:48

Quote:

> >  It has warnings
> > on the base recommending no wave jumping greater than 1' and no more than
> > 12" of mast base extension.  the latter I haven't figured out yet.  does
> > it mean not to put more than 12" of mast base into the bottom OR does it
> > mean that the portion of mast base sticking out the bottom (i.e. between
> > the board and the mast bottom) should not exceed 12" ???

> > gsm

> I would guess the latter.  This would prevent you from clamping the boom
> too low on the mast.  Kind of a bummer you can't jump with it.
> - Hens

My two piece mast has the same warning and I ask the company what they meant
by it.  The person told me that the mast was only reinforced for 12 inches at
the base.  If you put a mast extension in farther than that it might break the
mast because the extension was resting on a non reinforced area.


 
 
 

Bird Island last weekend summary

Post by Hens Vanderscho » Sun, 24 Feb 1991 00:06:56

Quote:
>  It has warnings
> on the base recommending no wave jumping greater than 1' and no more than
> 12" of mast base extension.  the latter I haven't figured out yet.  does
> it mean not to put more than 12" of mast base into the bottom OR does it
> mean that the portion of mast base sticking out the bottom (i.e. between
> the board and the mast bottom) should not exceed 12" ???

> gsm

I would guess the latter.  This would prevent you from clamping the boom
too low on the mast.  Kind of a bummer you can't jump with it.
- Hens
 
 
 

Bird Island last weekend summary

Post by Bruce A. Axt » Fri, 01 Mar 1991 04:18:35

so, I'm kinda lost. How come you can't jump with it? Does it
have something to do with the force upwards that occurs on landing
(or the resistance, where the mast wants to go thru the board but
is prevented from doing so)? Any help?
 
 
 

Bird Island last weekend summary

Post by Scott Math » Fri, 01 Mar 1991 23:39:39


Quote:
>so, I'm kinda lost. How come you can't jump with it? Does it
>have something to do with the force upwards that occurs on landing
>(or the resistance, where the mast wants to go thru the board but
>is prevented from doing so)? Any help?

Re: why doesn't NOLIMITZ want people to jump with their Carbon Slalom mast.

Well, for starters, its not a real strong mast, relative to masts rated for
surf.  NOLIMITZ also had a carbon wave mast, which I may well get.  That mast
was significantly more beafy and weighed a lot more.

A stiff mast will more likely break should you land badly (like on the mast).
A flexy  mast will more likely flex a whole lot instead.  The stiff race/
slalom masts have a much narrower range of flexing before they will break.

I've seen a video of Robby Naish in a slalom race in the gorge.  We was
pumping the sail strongly and his presumably race/carbon mast just broke
in half from that little exersize.

Even if you land OK the impact will cause a big deflection-type load on
the mast.  Also, driving around in 1-2 foot chop would put a lot of
continual load/unload deflections on the mast.

thanks, gsm

 
 
 

Bird Island last weekend summary

Post by Tom Alber » Fri, 01 Mar 1991 22:48:18

Quote:
> so, I'm kinda lost. How come you can't jump with it?

    I think cause jumping usually means crashing !

    tom.

 
 
 

Bird Island last weekend summary

Post by Rolland Wate » Thu, 07 Mar 1991 07:17:31


Quote:
>Re: why doesn't NOLIMITZ want people to jump with their Carbon Slalom mast.

> Well, for starters, its not a real strong mast, relative to masts
> rated for surf.  NOLIMITZ also had a carbon wave mast, which I may
> well get.  That mast was significantly more beafy and weighed a lot
> more.

Fiberspar's carbon masts are pretty awesome these days.  I have
friends in Florida who have been wave sailing the slalom masts for a
few years now, and I've had real good luck with their wave masts,
including more than a few days of 10-15' faces on the Oregon coast.

Quote:
> A stiff mast will more likely break should you land badly (like on
> the mast).  A flexy mast will more likely flex a whole lot instead.
> The stiff race/ slalom masts have a much narrower range of flexing
> before they will break.

The force of a crash landing, either from boom torque, or from head
torque, or from the mast hitting the front of the board is likely to
be as high as the force from jumping.  However, Scott is correct in
pointing out that stiff masts deal with impact less well than flexible
ones.

Quote:
> Even if you land OK the impact will cause a big deflection-type load on
> the mast.  Also, driving around in 1-2 foot chop would put a lot of
> continual load/unload deflections on the mast.

Use a mast protector with any carbon or aluminum mast, and if it can't
deal with jumping in 1-2 foot chop, sell it to a pole vaulter.

Rolland

ObJoke: why would a company that restricts the use of their equipment
be called NOLIMITZ???

 
 
 

Bird Island last weekend summary

Post by Scott Math » Fri, 08 Mar 1991 00:19:10

Quote:


>>Re: why doesn't NOLIMITZ want people to jump with their Carbon Slalom mast.

>> Well, for starters, its not a real strong mast, relative to masts
>> rated for surf.  NOLIMITZ also had a carbon wave mast, which I may
>> well get.  That mast was significantly more beafy and weighed a lot
>> more.

>Fiberspar's carbon masts are pretty awesome these days.  I have
>friends in Florida who have been wave sailing the slalom masts for a
>few years now, and I've had real good luck with their wave masts,
>including more than a few days of 10-15' faces on the Oregon coast.
>> A stiff mast will more likely break should you land badly (like on
>> the mast).  A flexy mast will more likely flex a whole lot instead.
>> The stiff race/ slalom masts have a much narrower range of flexing
>> before they will break.

>The force of a crash landing, either from boom torque, or from head
>torque, or from the mast hitting the front of the board is likely to
>be as high as the force from jumping.  However, Scott is correct in

this is a very good point.  even high speed runs through chop and wiping
out badly (without jumping) can cause breakage when the mast merely hits
the water.

Quote:
>> Even if you land OK the impact will cause a big deflection-type load on
>> the mast.  Also, driving around in 1-2 foot chop would put a lot of
>> continual load/unload deflections on the mast.

what I meant by this was that the area from the boom connection to the tip
of the mast gets flexed and unflexed a lot.  this happens from wind gusts
and from bouncing around on chop for example.  this constant flexing is a
cause of deterioration in structural integrity.  on thick and easily flexed
wave masts its less of a problem.
pumping the sail puts similar loads on the mast.  I've seen R. Naish pump
a sail with such power that he broke the mast (I presume it to have been
a carbon race mast).  the area of break was between the mast tip and boom.

Quote:

>Use a mast protector with any carbon or aluminum mast, and if it can't
>deal with jumping in 1-2 foot chop, sell it to a pole vaulter.

this is without a doubt the best advice so far within this thread.   why???
because last saturday my brand new mast (used for two short sessions)
broke.  I rigged a fairly large sail (6.8).  but was within the manufacturers
limits on extension, etc.  the mast spontaneously exploded while rigged but
not in use.  this *was* a two piece mast.  the area of break was the bottom
section of the top piece where the joint is created.  the top section split
a full 18 inches.   I am *not* a happy camper.  it will be interesting to
see how the dealer handles my problem (I am asserting that the thing is/was
defective).  I will, without a doubt, NEVER buy another two piece mast again.
Ditto for light weight carbon.  I'm thinking of staying with beefy one piece
carbon wave masts from now on.  

I'm now referring to my ex-mast as the LIMITZ...

gsM

 
 
 

Bird Island last weekend summary

Post by Roy G » Sat, 09 Mar 1991 07:13:44

I'm glad the subject of masts has come up. I bought a 2 piece aluminum
Serfiac which bent badly after 1 20-25k session of chop. We have also
heard a lot of complaints on the Weichart masts ( and booms). Apparently,
NOLIMITZ is strictly limited and Fiberspar carbon is ok.

Anymore data would be welcome.

'We're looking for a few good masts!
(actually one good wave mast should do it)'

-Roy.

 
 
 

Bird Island last weekend summary

Post by Tom Alber » Fri, 08 Mar 1991 23:41:40

Quote:
> ObJoke: why would a company that restricts the use of their equipment
> be called NOLIMITZ???

    Let's be fair, Roland - Fiberspar limits the use of their equipment,
    too.   Inside information has it that Fiberspar was unable to break
    any NOLIMITZ mast on their bending machine at the trade show in
    Corpus last October.  NOLIMITZ has Race, Slalom and Wave models and
    all weigh-in lighter than their Fiberspar counterpart.  They are
    considerably less expensive as well.   (I have to defend them.  I
    just purchased one for myself)

    Fiberspar has been making carbon masts longer than anyone.  They
    have excellent products.  Time will tell the relative merits of
    NOLIMITZ.  NOLIMITZ are made at the Gorge and distributed by Murray's
    Marine.  Mention my name.  Maybe they'll pay me a referral fee.  !8^)

    tom.