5 messages2016-01-13 14:52 UTCthrough 2016-01-14 14:46 UTC
Another outboard question
ccampbell2016-01-13 14:52 UTC
All this talk of outboard motors (they're actually outboard engines, but
if I said that, people would look at me funny) reminded me of the summer
perplexity that I always promise myself to worry about in the winter.
My Cal 20 has a nice old Evinrude 6 h.p. outboard in a well. The engine
is the same age as the boat, coincidentally--1967. The outboard and I
have reached an understanding after all these years and it almost always
starts and runs.
Problem is, it's sitting down in that well and it tends to choke on its
own fumes. It's pretty good at fume production. And I most often use
it when the wind runs out, and then there's no air moving to blow the
fumes away.
Has anybody added some sort of fresh-air venting system to an outboard?
This one has its air intake opening on the bottom of the engine cowl,
front side, as I recall. I was thinking about some sort of sheet metal
cover for that opening, attached to some flexible plastic tubing. It's
important to keep water out, obviously, but beyond that, what do i need
to consider?
Chris Campbell
RE: [Cal_Boats] Another outboard question
John Boyce2016-01-13 15:36 UTC
A friend of mine had the same problem on his 23 foot Kittywake. This boat had the outboard located in a lazerette on the transom. What he did was drill a hole in the plastic engine cover and attach a length of flexible hose that he hung out of the lazerette while the engine was in use.
Talking about the CAL 25, I had #1040, the first versions were often powered with a British Seagull engine and there was a fitting in the starboard hatch that the engine could be clamped to while under sail.
John B
CAL227
From: Ca… [at] yahoogroups.com [mailto:Ca… [at] yahoogroups.com]
Sent: Wednesday, January 13, 2016 9:53 AM
To: Ca… [at] yahoogroups.com
Subject: [Cal_Boats] Another outboard question
All this talk of outboard motors (they're actually outboard engines, but
if I said that, people would look at me funny) reminded me of the summer
perplexity that I always promise myself to worry about in the winter.
My Cal 20 has a nice old Evinrude 6 h.p. outboard in a well. The engine
is the same age as the boat, coincidentally--1967. The outboard and I
have reached an understanding after all these years and it almost always
starts and runs.
Problem is, it's sitting down in that well and it tends to choke on its
own fumes. It's pretty good at fume production. And I most often use
it when the wind runs out, and then there's no air moving to blow the
fumes away.
Has anybody added some sort of fresh-air venting system to an outboard?
This one has its air intake opening on the bottom of the engine cowl,
front side, as I recall. I was thinking about some sort of sheet metal
cover for that opening, attached to some flexible plastic tubing. It's
important to keep water out, obviously, but beyond that, what do i need
to consider?
Chris Campbell
Re: [Cal_Boats] Another outboard question
ccampbell2016-01-13 16:18 UTC
On 1/13/2016 10:36 AM, 'John Boyce' je… [at] gmail.com [Cal_Boats] wrote:
>
>
> A friend of mine had the same problem on his 23 foot Kittywake. This
> boat had the outboard located in a lazerette on the transom. What he
> did was drill a hole in the plastic engine cover and attach a length
> of flexible hose that he hung out of the lazerette while the engine
> was in use.
>
> Talking about the CAL 25, I had #1040, the first versions were often
> powered with a British Seagull engine and there was a fitting in the
> starboard hatch that the engine could be clamped to while under sail.
>
The Cal 20 has a little "transom" in the cockpit seat locker for
securing the outboard in a horizontal position when it's removed.
Chris Campbell
>
> J
>
Re: [Cal_Boats] Another outboard question
Gerald Sobel2016-01-13 22:33 UTC
Chris, I'm thinking tuba sized air vent and a tall stack(s) like on the Lusitania. Note: you need not have four stacks...but it WOULD be pretty cool. I remember the old steam powered tug boats in NYC harbor, sooooooo kuel! Great sounding whistles, too.
The Jap carriers (OK Japanese-- to be PC, but I'm a boomer brat, We'd just won the war) had horizontal stacks making for a clearer flight deck, which is important for flat top style Cals.Shpritz, Queen Mother of Cals.
On Wednesday, January 13, 2016 8:19 AM, "ccampbell cc… [at] lsnm.org [Cal_Boats]" <Ca… [at] yahoogroups.com> wrote:
On 1/13/2016 10:36 AM, 'John Boyce' je… [at] gmail.com [Cal_Boats] wrote:
A friend of mine had the same problem on his 23 foot Kittywake. This boat had the outboard located in a lazerette on the transom. What he did was drill a hole in the plastic engine cover and attach a length of flexible hose that he hung out of the lazerette while the engine was in use. Talking about the CAL 25, I had #1040, the first versions were often powered with a British Seagull engine and there was a fitting in the starboard hatch that the engine could be clamped to while under sail.
The Cal 20 has a little "transom" in the cockpit seat locker for securing the outboard in a horizontal position when it's removed.
Chris Campbell
J
Re: [Cal_Boats] Another outboard question
ccampbell2016-01-14 14:46 UTC
On 1/13/2016 5:33 PM, Gerald Sobel so… [at] yahoo.com [Cal_Boats] wrote:
>
>
> Chris, I'm thinking tuba sized air vent and a tall stack(s) like on
> the Lusitania. Note: you need not have four stacks...but it WOULD be
> pretty cool.
Problem is, Bill Lapworth put the rudder and tiller in the wrong
place.... I could power or I could steer, but not both.
> I remember the old steam powered tug boats in NYC harbor, sooooooo
> kuel! Great sounding whistles, too.
Here on Lake Michigan we have a real coal-fired, steam-powered ferry,
/Badger /(with a magnificent steam signal) /. /She's 410' and now
carries passenger cars, trucks with oversized cargoes, and tourists.
There was once a big fleet of these boats carrying railroad cars across
Lake Michigan to avoid delays and rapacious charges at the railroad hub
in Chicago. The boats had to operate year-round so they were built as
icebreakers. Even then, they would sometimes get stuck in the ice and
the rest of the fleet would have to come to the rescue. Railroad cars
were often quite heavily loaded and so they were well secured below
decks, but in big storms they would sometimes break loose and start
banging around. It's a really cool field of maritime history and there
are lots of astonishing stories about the challenges of operating in ice
and storms. The local guy who rescued /Badger/ from the scrappers did
us all a big favor. I always encourage travelers to take the ferry when
going east or west past Lake Michigan. You can read about her here:
> http://www.ssbadger.com/
> The Jap carriers (OK Japanese-- to be PC, but I'm a boomer brat, We'd
> just won the war) had horizontal stacks making for a clearer flight
> deck, which is important for flat top style Cals.
Yeah, maybe, but convection makes vertical stacks more logical. Lansing,
MI has a wonderful old downtown electric power generating plant, now
converted to other uses. It has a black granite base, rising above that
in bricks that start with deep red and get lighter and oranger in color
as they rise to symbolize the burning of coal. The door handles inside
are bronze in a zig-zag lightning shape. All very cool, and a relic of
the days when public buildings were created with care and style. But
one feature wasn't so cool. When built, it had no visible stacks, just
some sort of venturi system that the engineers expected to whisk away
the smoke and gases like magic. What it really did was create local
smog clouds right over the downtown. They soon added real vertical
stacks--not so_visually_ effective, but they functioned. Sometimes we
have to choose.
Chris Campbell