[C38] Cutlass Bearing Strut Faring

PAUL NOTTE panotte at shaw.ca
Mon Nov 15 13:21:21 EST 2010


Tom is right again on this one we made this mod to Impulse soon after we brought her home, we also noticed on the survey there was no E/tiller handle on the boat , which I may add could double as the manual bildge pump handle.   Thanx for the pics. Max

----- Original Message -----
From: "Tom T." <tdtron at earthlink.net>
Date: Monday, November 15, 2010 4:41 am
Subject: Re: [C38] Cutlass Bearing Strut Faring
To: Catalina 38 Listserve <listserve at catalina38.org>

> Steve, 
> While you are bilge diving under the pedestal, you might as well 
> replace the wood steering stop with some pressure treated wood 
> or padded aluminum square tubing.
> 
> The wood Catalina used was not pressure treated and can fail 
> causing the steering quadrant to turn too far allowing the 
> cables to come off rendering the boat without steering until you 
> can remove the hanging loose cables and install the emergency tiller.
> 
> Don't worry, this steering failure calamity usually only happens 
> at night in rough weather in dangerous high traffic areas near 
> jetties and bridge abutments and you have seasick guests aboard.
> 
> Tom Troncalli
> 
> 
> ----- Original Message ----- 
> From: Max Soto 
> To: Catalina 38 Listserve
> Sent: 11/14/2010 11:06:16 PM 
> Subject: Re: [C38] Cutlass Bearing Strut Faring
> 
> 
> Steve,
> Now that you already took out the pedestal, have you seen a 
> reinforcement recommendation for the pedestal by Catalina on the 
> tech info on the C38 web? They said that we should install a 
> couple of aluminum plates right next to the pulleys in order to 
> stiffen a little bit more the pedestal.
> 
> 
> Max
> 
> 
> 2010/11/14 Steve Smolinske <SSmolinske at rainierrubber.com>
> 
> When we pulled Pergrine upon purchase, they slide some shims 
> down the shaft as well for the very reasons discussed 
> here.   In the spring we are putting on a new rudder 
> and I will be adressing this same issue at that time.  I 
> just finished rebuilding the pedestal and am planning on writing 
> an article about the entire steering system repair/rebuild after 
> we finish with the new rudder and post.  One thing I can 
> add at this point that I found out from Edson is that our boats 
> originally came with bronze pins for the 4" pulleys on the 
> crossed wire idler, they recommend replacing them with stainless 
> steel as they have seen substantial wear on the 
> bronze.   Mine did have enough wear to prevent the 
> pulley from sliding freely side to side outside of the small 
> groove that was worn in the pin. Edson has the stainless pins 
> available as a replacement part.  Pretty pricey about $40 
> bucks each.
> 
> Regarding the Catalina smile I recently had a discussion with 
> another sailor on a theory as to why the cracks might 
> appear.  We repaired ours last spring, grinding out the 
> crack to the hull, we thought we went deep enough and wide 
> enough to fix the problem, well the crack came back but not near 
> as severe as it had been, on the opposite side where we were not 
> as agressive it came back to the same extent before the 
> repair.  We feel we can go more aggressive on our repair 
> this spring and stop it maybe.   The conversation 
> regarding cause centered around the forces applied to the boat 
> when adjusting the back stay, As we are aware it possible to 
> crank the backstay enough to inhibit doors from closing properly 
> below he felt it didnt take much to move the bow thus the rest 
> of the boat it wouldnt take much to introduce a 
> crack.   I know others without backstays get the smile 
> too so Im sure there are a number of reasons that could all be 
> responsible.
> 
> Steve
> #312 Peregrine
> Seattle
> 
> 
> ________________________________
> 
> From: listserve-bounces at catalina38.org on behalf of Chuck Finn
> Sent: Sun 11/14/2010 9:54 AM
> 
> To: Catalina 38 Listserve
> Subject: Re: [C38] Cutlass Bearing Strut Faring
> 
> 
> 
> 
> Excellent discussion!  This is why our Association is so 
> important to
> all of us!  Thank you everyone for contributing!
> 
> Here is what I know from my research on this over the years.
> 
> 1.   I seriously looked into shortening my keel a few 
> years back as
> there is a set of locks leading the the St. Lawrence Seaway that allow
> drafts less than six feet.    Mars Metals out of 
> Canada has made
> "torpedo" bulbs for C38s and has the mold in storage.  
> Their calculation
> was I recall, that a five foot draft would require an additional 500
> pounds of lead.
> 
> 2. The Yankee 38s did not come in a shoal keel as far as I can tell.
> But, their fin keel design was different than Butler's, so we can
> probably surmise that Catalina experimented a bit with the keel 
> in the
> beginning.  I certainly would if I were them and kept 
> seeing the
> "Catalina Smile!"
> 
> 3. Until this discussion, I had not seen a shoal draft version 
> of our
> boats that had the keel faired the way Tom T. describes.  
> The ones I had
> seen looked pretty much like the 1981 model at this website:
> http://boats.iboats.com/1981-catalina-38/664532.html
> 
> 4.  When I was investigating a shoal draft 
> modification,  I had been
> told by someone at Catalina that the shoal keel bolt 
> configuration was
> the same as the deep draft keel.  About 10 or so years 
> back, I recall
> that Catalina even had some shoal drafts keels 
> available....  I have no
> way of verifying any of this other than my old and sometimes 
> faulty memory!
> 
> My best guess then is Catalina had two keel molds and could 
> choose which
> one to bolt on to their standard hull based upon the 
> order.  Fairing the
> keel to the hull is a labor intensive job, which probably 
> allowed the
> workers and designers some latitude to experiment.   
> And that is what
> they did.....   probably to see if they could reduce 
> the prop walk.   I
> don't think there is any structural aspect to this modification 
> as the
> two support points for the prop shaft are the motor/transmission mount
> and the cutlass bearing (packing gland is about keeping water 
> out and
> does not support).
> 
> Tom, how did you keep this long shaft tunnel clean?  Zebra 
> mussels up
> here would soon pack this tunnel over a summer.
> 
> Thanks again to everyone who contributes!
> Chuck Finn
> Commodore
> 
> 
> 
> On 11/14/2010 10:27 AM, Max Soto wrote:
> > What a Dilemma!!
> >
> > Dan, do you have a pic from Blonde Starnger's keel??? There 
> are only
> > 13 boat from Renata to Blonde Starnger, and both are 1981 models..
> >
> >
> >
> > Renata's keel with skeg is the most different one that I have
> > seen.I've been collecting pics from C38's for sale, because Estancia
> > was such in bad shape and modified when I bought it, that I needed
> > lots of pics in order to tell what was original and what 
> wasn't, and
> > of course to get tips from other  boats..
> >
> > Tom, I'm going to put a production change on the table for the
> > following reason:
> >
> > The  silhouette on the original brochure does shows a 
> slightly larger
> > keel trunk, and one of the most notable differences is the 
> back edge
> > of the keel (just forgot the technical name!) is perpendicular 
> to the
> > water line. Let's call it straight!!!!  The deep keel 
> version is
> > angled, even if the keel draft has been reduced, you'll be 
> able to
> > tell because of this, but if you look at the attached pic from Chute
> > the Breeze or the other one I sent a couple of days a go, it looks
> > just like the shoal keel on the brochure, straight down! 
> without an
> > angle, that's why I always tought that I had these pics from shoal
> > draft versions!
> >
> >
> > One more thing, Estancia is 1982, and came with the 1982 brochure
> > (which is older than the one on the C38 web), and shows 
> no  skeg either.
> >
> > My opinion, evidence shows two shoal draft versions, so who 
> will be
> > able to confirm a production change???????????
> > Just found another  shoal draft pic on 
> Calatlinaowners.com, has been
> > attached also..
> >
> > Tom, there is  a known cure for the loss of a C38, but it 
> requires> lot's of money in order to get a newer and bigger 
> boat!!!! Just make
> > sure that this boat is faster than a C38, other wise, not 
> worth it....LOL
> > Regards,
> > Max
> 
> 
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> 
> 
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> 
> 
> 
> 
> -- 
> Max Soto
> C38 #198 ESTANCIA
> Puntarenas, Costa Rica
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