[C38] backstay adjusters

Mon Aug 16 12:18:46 EDT 2010

Here is the company we used to rebuild ours, they did a good job and as I
recall it was around $250.00 but don't hold me to that.  I .suggest giving
them a call first and see if they can do yours.  BTW it's a real pain
getting that hydraulic pump off and on.  LOL
SEA TEK INC 

508 E E ST WILMINGTON, CA 90744-6023

310-549-1800 

Best regards,

Larry Malmberg-President

Larry Malmberg Investigations and Security, Inc.
505 North Arrowhead Avenue - Suite 510
San Bernardino, CA 92401-1200
909-383-8565, 800-655-4549 Facsimile 909-383-8566
PI 15211, PPO 112446

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From: listserve-bounces at catalina38.org
[mailto:listserve-bounces at catalina38.org] On Behalf Of Joseph Launie
Sent: Sunday, August 15, 2010 9:21 PM
To: listserve at catalina38.org
Subject: Re: [C38] backstay adjusters

Steve,
    I'm sure it was this thread that caused my backstay adjuser to leak
today for the first time in 18 years. It is a Navtec which I am afraid is
Lewmar - does anyone have any idea where I can get this overhauled in
southern calif? Santa Barbara is great for olives but short  on technical
support. Joe
On 7/31/2010 12:36 PM, S Orton wrote: 

Santa Susanna (1985) has a SAILTEC hydraulic/mechanical locking backstay
adjuster.  You hydraulically apply the load, lock the adjuster and then
remove the hydraulic pressure- no pressure, no leakage.  About 10 years ago,
I left the pressure for several days, maybe a week, on by accident, and blew
the seals.  I sent back to the manufacturer for over haul and it cost around
$400.  Since, using it properly, I've had no problem.  I'm sure the secret
is the mechanical lock.

Cheers, Steve O 

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Date: Fri, 30 Jul 2010 17:36:11 -0400
From: charles at finn.ws
To: listserve at catalina38.org
Subject: Re: [C38] backstay adjusters

The problem for us in discussing backstay adjusters is that Catalina used a
variety of them over the years.  The first one was a Navtec -35, which as
produced in the late 70s and early 80s.  This one is tough to re-build and
about 10-20% of them leak even after a rebuild.  The 35 model has a nickle
sized plug on the bottom that is at about a 5-10 degree angle from the
bottom face.   
This unit was replaced with the -36 model in which the plug is flush with
the bottom plate.  the -36 model is more reliable and there appears to be no
trouble rebuilding them.

One thing to watch out for is our old problem with stainless and corrosion!
About one in ten -35 and -36 models need a new stainless rod, which really
ups the cost.  Normal rebuild cost by the way runs $300 - $400 according to
the shop I use which used to be called Marblehead Marine:  (
http://www.theforepeak.com/     (talk to Tom)).  By the way, the shop won't
know if your is a "leaker" until after they have spent all the time and
materials.....  

Defender.com sells new ones for $1200.   At this time, mine is leaking as
well and I have not decided whether it is worth it to rebuild....   

Chuck Finn
Vice Commodore 

On 7/30/2010 1:25 PM, Don Strong wrote: 

Dear Group: I have a Navtec hydraulic, with a gauge, that will put huge
pressure on the rig with great results for head sail shape. However, it
leaks hydraulic fluid and is constantly making a mess. Expensive repair
efforts, including expensive shipping, have failed to stop the leaking. A
mechanical BSA, one of the chrome wheel types, looks attractive. Problem is,
it seems to me, that one would not know how much tension is placed on the
rig.
What are the experiences of others of you?
Regards, Don

On 7/30/10 10:19 AM, Max Soto wrote: 

Hey Bill , 

Congrats!
I also planning to install a backstay adjuster on Estancia, but still not
sure if I should go for a hydraulic or a mechanical......
I'm also going to race tomorrow. Just borrowed a huge 155% and a huge assy,
so we'll see how it goes.....

Regards,
Max Soto
C38 #198 ESTANCIA
Puntarenas, Costa Rica

2010/7/30 Bill Haynes <hayneswm at charter.net>

Hi everybody!  Just thought I would let ya'll know that Zephyr was entered
in another regatta here in St. Andrews Bay (Panama City, FL) and kicked butt
once more.  The second place boat crossed the finish line more than 7
minutes later.  

We have a new custom fitted mainsail on now.  Next on the list to be done
will be an adjustable backstay.  By this fall we will hopefully have a new
155 installed.  

Right now we are in the non-spinnaker class.  By next year we hope to be
prepared to be in with the spinnaker class.  We are having lots of fun on
this boat.

Bill Haynes
Athens, GA

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Donald R. Strong

Professor

Dept. of Evolution and Ecology

University of California, Davis 95616

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