The only reason for water dripping is to lubricate (and cool) the seal/shaft
interface. However, the PTFE packing has low enough friction that you don't
need to lubricate. Hence, no need for dripping water.
Btw. the main difference between the normal shaft seal (regardless of packing)
and the
y apart.
>
>
>
> Thanks,
>
> Brian
>
>
>
> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Dennis
> C. via CnC-List
> *Sent:* Saturday, February 17, 2018 4:42 PM
> *To:* CnClist <cnc-list@cnc-list.com>
> *Cc:* Dennis C. <capt..
:42 PM
To: CnClist <cnc-list@cnc-list.com>
Cc: Dennis C. <capt...@gmail.com>
Subject: Re: Stus-List PSS shaft seal - now hoses
Hear! Hear! High on my list! In the 1st 4 months I had Touche' I replaced
all the thru hull hoses, the alcohol stove hose, and all the engine hoses.
; Which isn’t a bad idea anyway.
>
>
>
> Bill Coleman
>
> C 39 Erie, PA
>
>
>
> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Josh
> Muckley via CnC-List
> *Sent:* Saturday, February 17, 2018 4:45 PM
> *To:* C List
> *Cc:* Josh Muckley
: Saturday, February 17, 2018 4:45 PM
To: C List
Cc: Josh Muckley
Subject: Re: Stus-List PSS shaft seal
As for old hoses that's why it is so important to close your
through hulls when away from the boat.
Josh
On Feb 17, 2018 4:32 PM, "Len Mitchell via
CnC-Li
cnc-list@cnc-list.com>
Cc: Josh Muckley muckleyj@gmail.combroke <mailto:muckleyj@gmail.combroke>
Subject: Re: Stus-List PSS Shaft Seal
I forgot but someone else has mentioned in the past that the vent isn't even
really necessary. Just burp the seal after each relaunch.
You c
List
*Cc:* Josh Muckley
*Subject:* Re: Stus-List PSS shaft seal
As for old hoses that's why it is so important to close your through hulls
when away from the boat.
Josh
On Feb 17, 2018 4:32 PM, "Len Mitchell via CnC-List" <cnc-list@cnc-list.com>
wrote:
I installed a drip le
: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Josh Muckley
via CnC-List
Sent: Saturday, February 17, 2018 4:45 PM
To: C List
Cc: Josh Muckley
Subject: Re: Stus-List PSS shaft seal
As for old hoses that's why it is so important to close your through hulls when
away from the boat
A nice sailboat sank at the dock here a couple of years ago due to failure
of a galley sink drain connection.
I've gotten religion regarding closing of thru-hulls.
Cheers,
Dave
On Sat, Feb 17, 2018 at 2:54 PM, Brien Sadler via CnC-List <
cnc-list@cnc-list.com> wrote:
> I’m a firm believer in
I’m a firm believer in shutting the through hulls every time I leave the boat.
Probably the submariner in me that doesn’t like to expose piping to sea
pressure when I can let a valve take the brunt of it. Always a “straight board”.
Sent from my iPad
As for old hoses that's why it is so important to close your through hulls
when away from the boat.
Josh
On Feb 17, 2018 4:32 PM, "Len Mitchell via CnC-List"
wrote:
> I installed a drip less shaft seal about 7 or 8 years ago when I replaced
> my cutlass bearing. Like
Hear! Hear! High on my list! In the 1st 4 months I had Touche' I
replaced all the thru hull hoses, the alcohol stove hose, and all the
engine hoses. The two I didn't think about were the fuel fill hose and
shaft log hose. I was painfully reminded of the former after filling the
tank one day
I put a PYI Packless Shaft Seal on Corsair in 2001. It was a ventless
model and it was important to burp it in the spring during launch. It
was still pristine when Corsair was scrapped last year. There is
nothing wrong with the traditional stuffing box but those who are
concerned of the
It sounds like both options are good options. I guess now the question is how
much I want to spend to stop the water from coming in the bilge. Last season I
knew of two leaks I had letting water in the bilge the access plate on the
water pump was leaking when I ran the engine and the stuffing
I forgot but someone else has mentioned in the past that the vent isn't
even really necessary. Just burp the seal after each relaunch.
You can eliminate the vent by plugging the hole with a small brass pipe
plug.
Josh
On Feb 16, 2018 9:06 PM, "Brien Sadler via CnC-List"
Wow. Mine was over 25 years old
Sent from my iPhone
> On Feb 17, 2018, at 07:38, Michael Brannon via CnC-List
> wrote:
>
> You can always run the vent line to your salt water supply to the engine.
> That is how mine is run.You need to change the rubber boot every
I installed one on Pegasus, I ran the vent above the waterline, and put a
small loop in. The purpose of the line is to vent air from the seal to
prevent the carbon seal ring from burning up.
On Fri, Feb 16, 2018 at 6:17 PM, David Knecht via CnC-List <
cnc-list@cnc-list.com> wrote:
> I had a
The PO changed from the original stuffing box to a PSS seal on Cat’s Paw
sometime between 1980 (when my father sold the boat to him) and 2004 (when I
bought her back). That PSS did not have the vent tube option. There was some
wear on the carbon(?) face (that seals to the SS part) although no
Dittto. I use Teflon impregnated packing in a standard stuffing box. No
issues. Drips slightly when running. Dry when not. I have the tools,
knowledge, diligence and flexibility to properly adjust it.
Buddy of mine has PSS drip-less in his boat. We were making trip to coast
one day when his
You can always run the vent line to your salt water supply to the engine.
That is how mine is run.You need to change the rubber boot every 5-7
years.I generally replace the entire assembly at that time.
Mikel Brannon
Virginia Lee 93295
C 36 CB
Virginia Beach, VA
Of course, it is always “your boat, your choice”, but the PSS is not unsafe.
Great majority, if not all of the reports of dripless shaft seals failing
catastrophically are on boats where these seals were not properly maintained.
Dripless is dripless (not a drop of water over 3 years; completely
What “quality product” have you found success with?
Neil Andersen
1982 C 32
Rock Hall, MD
Neil Andersen
20691 Jamieson Rd
Rock Hall, MD 21661
From: CnC-List on behalf of robert via CnC-List
Sent: Friday,
Had one since 1986. Replaced with a new one a few years ago. Works great.
Joe. Coquina
Sent from my iPhone
> On Feb 16, 2018, at 21:17, David Knecht via CnC-List
> wrote:
>
> I had a PSS put in on my 34 thinking it was a good upgrade, but on my 34+
> decided not
There's a good article about "Do it yourself" dripless shaft seal
installation in the February issue of BoatUS magazine, page 72.
Alan Bergen
35 Mk III Thirsty
Rise City YC
Portland, OR
On Fri, Feb 16, 2018 at 7:39 PM, Brien Sadler via CnC-List <
cnc-list@cnc-list.com> wrote:
>
> This is why I
This is why I love this group, lots of great experience to draw on. I’m
reconsidering switching based on the advice. I never heard about or thought
about the catastrophic potential with the PSS. It’s also significantly less
expensive to keep what I have and re-pack. Thanks again.
Brien
Hi Brien,
Have to share this. I don't know what the previous owner used in my 1990 shaft
seal. It does leak slightly when I first launch and when running, but not after
the engine stops. I've owned the boat fifteen years since 2002 and never
tightened the packing. No, I won't take it apart.
I
I have it for 3+ years. Installed it right after I bought this boat.
The vent line burps water, mainly when you switch reverse/forward quickly (like
when docking). The harder you reverse, the more chance the water will burp
inside.
Initially I tried to run it high, but there wasn't enough room
I don't think you have to run it overboard. It just has to get above the
water line on all angles of heel. I didn't install mine so it isn't a
fresh memory but I believe mine runs into the engine compartment, through
the compartment roof and into the HVAC compartment under the companion way
I had a PSS put in on my 34 thinking it was a good upgrade, but on my 34+
decided not to do it. The reason is that if not maintained properly, you can
have catastrophic failure of the PSS and sink the boat. I replaced the packing
with teflon on my 34+ 3 years ago and it was pretty trivial,
a refresh. ;-)
Thanks Marek!
Bruno
From: dziedzi...@hotmail.com
To: bruno_lacha...@hotmail.com; cnc-list@cnc-list.com
Subject: Re: Stus-List PSS shaft seal 33 mkII
Date: Mon, 13 Apr 2015 13:05:59 -0400
I think you need about 1” (3 cm) between your old stuffing box and the
coupler (if I
Bruno,
We did this on Perception 12 years ago, tight but had room. Since empowering,
and now just enough room!
Paul. :)
On Apr 13, 2015, at 12:36 PM, Bruno Lachance via CnC-List
cnc-list@cnc-list.commailto:cnc-list@cnc-list.com wrote:
Hi all,
I'm about o buy a PSS shaft seal for my 33 mkII
I think you need about 1” (3 cm) between your old stuffing box and the coupler
(if I remember correctly).
I posted a few pics from before and after. I had just enough room to put the
retention collar in:
https://www.dropbox.com/sh/8tlcy5k0rwf4dzc/AAA7LXt-UzZJn3F5o7h4n2ENa?dl=0. For
32 matches
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