[C38] backstay adjusters

[Joseph Launie]

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
> ------------------------------------------------------------------------
> 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
>         <mailto: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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>
>
>         -- 
>
>
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>
>
>     -- 
>     Donald R. Strong
>     Professor
>     Dept. of Evolution and Ecology
>     University of California, Davis 95616
>
>
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