[C38] Exhaust Riser
Max Soto
maxsoto at gmail.com
Thu Dec 16 02:03:16 EST 2010
Steve,
Just in case, check this one out first....I don't have any comments, but It
might be worth to ask the owner about this set up.
http://www.youtube.com/watch?v=3_LBURCLTAE
<http://www.youtube.com/watch?v=3_LBURCLTAE>
Regards,
Max
2010/12/15 Steve Smolinske <SSmolinske at rainierrubber.com>
> Steve,
>
>
>
> Thanks, good information. After talking with Catalina Direct and Catalina
> Yachts Ive decided to weld up one out of stainless here at work. Price
> seems to have gone up to somewhere around 250-300. Thanks for the idea,
>
>
>
> Steve
>
>
>
> *From:* listserve-bounces at catalina38.org [mailto:
> listserve-bounces at catalina38.org] *On Behalf Of *S Orton
> *Sent:* Monday, December 13, 2010 9:48 PM
> *To:* Cat 38
>
> *Subject:* Re: [C38] Exhaust Riser
>
>
>
> Steve S, The original Cat 38 design of heavy cast steel pipe fittings is a
> very poor design- to have all this vibrating weight cantilevered off the
> exhaust manifold, which is going to fail at a threaded pipe joint. Catalina
> has redesigned the riser to an all welded fitting of stainless for a price
> about $200 (6 + years ago) as I remember. I would give Catalina a call for
> price and bump that against a local fabrication shop. The redesigned part
> is of very simple construction- schedule 40 ss pipe, with welded mitered 90
> degree bends, welded to a 3/8 ss plate (as I remember), which is bolted to
> the exhaust manifold. The part weighed only about a 1/4 of the original
> design, with no threads to fail in fatigue. My big problem was hooking up
> the "flexible" hose to the water muffler. As your picture shows there is
> not much room allowed for the hose to clear the underside of the sail locker
> and enter hose fitting to the muffler. I think mine was worse than what you
> have. I ended up making a 45 degree attachment fitting out of epoxy/glass
> to solve that problem- which I still have the mold for if you or anyone else
> would like to borrow it. This subject would be a good candidate for the
> MAINSHEET.
> Cheers, Steve O
>
> ------------------------------
>
> Date: Sun, 12 Dec 2010 19:05:04 -0800
> From: SSmolinske at rainierrubber.com
> To: listserve at catalina38.org
> Subject: [C38] Exhaust Riser
>
> About 2 years ago I rebuilt the exhaust riser in port on vacation, so much
> for vacation. I was in a small harbor with little in the way of materials
> to work with, I used galvanized fittings and it worked fine for the last 18
> months. Well its not working so well now and needs to be rebuilt, the
> attached photo shows what I did last time, does anyone have any better
> suggestions? Thanks all.
>
>
>
> Steve
>
> #312 Peregrine
>
> Seattle
>
>
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--
Max Soto
C38 #198 ESTANCIA
Puntarenas, Costa Rica
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