[C320-list] Asym halyard block or second jib halyard?

William Russell RussellW at oacsd.org
Thu Aug 18 13:19:31 PDT 2011


Pat - I have the perfect solution for you.  This year, I bought a Doyle UPS (Universal Power Sail).  It's essentially a 
gennaker, designed along the lines of a Code 0 that the race boats are using.  It has a Kevlar luff line and a small 
single line roller furling unit attached to the tack, with the swivel at the head of the sail.  You tension the halyard a lot with the winch, and
the non-stretch luff line acts like a forestay.  With it really taut, you can sail at 35-40 degrees apparent.  When moving to a broad
reach, ease the halyard to round the luff and it sails like an asymmetric spinnaker.  It's 1.5 ounce nylon, rather than .75 like my A-sail, 
so it hold up in close reaching conditions even as the wind builds.  You put it up at the dock, furled, and just pull a sheet to deploy it under
sail.  It furls easily, jibes around the headstay, and can easily be handled when I'm sailing singlehanded.  And its really pretty . . .
This past weekend, we were doing 6.6 knots of boat speed in 13 knots of wind, with the sheet cleated, just sailing by the luff of the UPS.
It really likes to beam reach, but will do well out to about 135 degrees apparent.  In light air, I wouldn't think of using my 155 genoa when I have
this sail available.  You can see a nice video of the sail on Doyle's website.
On my boat, the other feature that makes this a great addition to the sail inventory is an aftermarket bowsprit.  It extends about 3 ' in front of the
bowpulpit, and I fly either my UPS or my asymmetric spinnaker from the end of the pole.  It really frees the sail from the shadow of the main, and
makes jibing all that much easier.
I also have an asymmetric, which I also recommend.  It's bigger and more powerful.  But the UPS is MUCH easier to deploy, and functions over
a much wider range of sailing angles.  The sailmaker at Doyle said that sales of the UPS are far outstripping sales of A-sales since they came out with them.
In one of my sailing magazines, it looks like North is now marketing a similar sail, calling it a Code C.
Finally, my boat has a masthead spinnaker crane, with spots for two external halyard blocks (one for the UPS, one for the A-sail).
Hope that helps.
Bill Russell
Little Wing, Catalina 320 #545
Cayuga Lake
Ithaca NY
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Today's Topics:

   1. Asym halyard block or second jib halyard? (Pat Ireland)
   2. Perkins Raw Water Pump Follow Up (Welch, Myron D)
   3. Re: Asym halyard block or second jib halyard? (Chris Burti)
   4. Re: Asym halyard block or second jib halyard? (Pat Ireland)


----------------------------------------------------------------------

Message: 1
Date: Wed, 17 Aug 2011 17:43:47 -0700
From: Pat Ireland <cherie320 at gmail.com>
To: C320-List at catalina320.com
Subject: [C320-list] Asym halyard block or second jib halyard?
Message-ID:
<CAB3EGmuCnOmZG671JgkFaQYEzDxy_Ln64yyw_N5seCh3+jnyPg at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

All

Your help is appreciated.  I have two questions.  If you only have one light
air sail, should it be a jib or an asymmetrical spinnaker?  And is it best
to fly It from a block on a spinnaker crane or is there a second jib halyard
block available.  My pictures of the 320 mast head look like there is only
one shieve, but the mast drawings show two.  The pictures show a strap that
centers the furler halyard and it looks like it would block the use of a
second halyard.  Going to start cruising the 320 site for mast head pictures
next.

When we purchased Cherie, I believed we need better heavy and light air
sails.  We have the heavy air condition reasonably covered and I'm looking
to address the light air conditions.  Since the intention is to keep a heavy
air Dacron jib on the head sail furler, the two approaches under
consideration are 1) use a light weight 150 jib and free fly it on a luff
wire or rope and 2) use an asymmetrical spinnaker.  The jib would allow us
to point higher and perform through all points of sail.  Therfore it was my
original preference.  However, I am concerned that the motion of the boat
will shake the air out of a jib when we run down wind.  Since reaching and
running will likely makeup most of of our light air sailing, I am
reluctant to optimize for windward work at the expense of off the wind
performance.

And yes, the iron jib works quite well in all of these conditions and may
well be a better solution, but I would really like to expand our ability to
sail as the wind drops off.

Any thoughts would be appreciated.  Your input would be helpful.

Pat, 801


------------------------------

Message: 2
Date: Thu, 18 Aug 2011 01:57:42 +0000
From: "Welch, Myron D" <myron-welch at uiowa.edu>
To: "C320-List at Catalina320.com" <C320-List at Catalina320.com>
Subject: [C320-list] Perkins Raw Water Pump Follow Up
Message-ID: <71842F20-26FE-4DDD-AE27-C669B8BFE3A4 at uiowa.edu>
Content-Type: text/plain; charset="us-ascii"

After much work finding a replacement pump, the job is finally done. Some of you have asked for a follow up. 

I found a pump at Diesel Parts Direct for $598 and then Trans Atlantic Diesel for $404.  Torresen found it for $237 or $119 for the rebuild kit, so I had them ship me the new pump. Unfortunately, it was the fresh water pump, not the raw water. Their supplier would have to have one shipped from England at close to $600. 

I then purchased the pump from TAD. They shipped part #24950-1701 which looked quite different than our #24950-1101. Rather than a round impeller cover with 6 screws, it has a shield shape with 3 cap screws (which should be easier to change).  Also, unlike our exposed shaft, the shaft is completely covered and has 4 weep holes. 

After much discussion with the helpful people at TAD, they called England and were assured that this is the correct replacement.  I just had to remove and then install the drive gear on the new pump and it dropped in easily. 

I will now rebuild the old pump and keep it for a spare. 

I hope this information is helpful to fellow Perkins owners. 

Myron Welch
Wind Instrument #238
Iowa City, Iowa

Sent from my iPod Touch

------------------------------

Message: 3
Date: Wed, 17 Aug 2011 22:44:25 -0400
From: Chris Burti <clburti at gmail.com>
To: C320-List at catalina320.com
Subject: Re: [C320-list] Asym halyard block or second jib halyard?
Message-ID:
<CAAAgXkygw+1PfpWVOa+x096-VWjR1KwWK9xSy_-pfgrLLtf-iQ at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

A meaningful depends on the strength of your prevailing winds and when
you sail. We have to take the wind as we find it because our sailing
opportunities are limited by our work schedules. In this area it is
not uncommon to go from zip to 20 knots and back in the same day. Some
our favorite sailing grounds will often see 30 knots. We have a stock
135 on the furler and we carry an asymmetrical spinnaker in the
locker.

There are two forward and two aft sheaves on the mast. We have a
halyard on the second block and yes there is some contact...I haven't
noticed much adverse wear, but if we flew it more I would consider a
crane and a bowsprit.

On Wed, Aug 17, 2011 at 8:43 PM, Pat Ireland <cherie320 at gmail.com> wrote:
> All
>
> Your help is appreciated. ?I have two questions. ?If you only have one light
> air sail, should it be a jib or an asymmetrical spinnaker? ?And is it best
> to fly It from a block on a spinnaker crane or is there a second jib halyard
> block available. ?My pictures of the 320 mast head look like there is only
> one shieve, but the mast drawings show two. ?The pictures show a strap that
> centers the furler halyard and it looks like it would block the use of a
> second halyard. ?Going to start cruising the 320 site for mast head pictures
> next.
>
> When we purchased Cherie, I believed we need better heavy and light air
> sails. ?We have the heavy air condition reasonably covered and I'm looking
> to address the light air conditions. ?Since the intention is to keep a heavy
> air Dacron jib on the head sail furler, the two approaches under
> consideration are 1) use a light weight 150 jib and free fly it on a luff
> wire or rope and 2) use an asymmetrical spinnaker. ?The jib would allow us
> to point higher and perform through all points of sail. ?Therfore it was my
> original preference. ?However, I am concerned that the motion of the boat
> will shake the air out of a jib when we run down wind. ?Since reaching and
> running will likely makeup most of of our light air sailing, I am
> reluctant to optimize for windward work at the expense of off the wind
> performance.
>
> And yes, the iron jib works quite well in all of these conditions and may
> well be a better solution, but I would really like to expand our ability to
> sail as the wind drops off.
>
> Any thoughts would be appreciated. ?Your input would be helpful.
>
> Pat, 801
>



-- 
Chris Burti
Farmville, NC


------------------------------

Message: 4
Date: Wed, 17 Aug 2011 21:17:29 -0700
From: Pat Ireland <cherie320 at gmail.com>
To: C320-List at catalina320.com
Subject: Re: [C320-list] Asym halyard block or second jib halyard?
Message-ID:
<CAB3EGmsLNb3AzY7ogkSaY=vUVSUYb5Qm_1Zds7ScAc=YKQASMQ at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

Bert

Thanks - we have similar wind varability and therefore a requirement for a
wider range of capability.  Found a set of pictures in the 320 gallery.
Clarifies the configuration at the mast head.  And your experience helps.
Appreciate the info.

Pat, 801


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