I stand corrected.
I was thinking about the Northstar speed log on my boat, which contains the
temperature sensor. My Garmin plotter/sounder also shows temperature (not
reliably, since the transducer is on the inside of the hull), so on my
Garmin the thermister is in the depth transducer. Not
Charlie;
An earlier post containing a quote from a prop manufacturer who pointed out
that, contrary to popular misconception, a 2 blade prop will develop more
thrust than a comparable diameter 3 blade prop. That’s because as a prop
rotates, each of the blades creates an area of turbulence be
George,
I'd bet all the money that I have in my pocket right now that your prop is
over pitched. Too much pitch causes excessive torque load, and that's why
your engine won't reach rated RPM. A proper pitch will let the engine spin
up to max RPM when the boat is making hull speed. Too little pi
100% support that. Prop walk: A single screw boater's best friend!
Rich
> On Jan 14, 2014, at 20:29, "j...@svpaws.net" wrote:
>
> "Much less prop walk in reverse"
>
> Not sure that's a good thing.
>
> John
>
>
> Sent from my iPad
>
>> On Jan 14, 2014, at 7:24 PM, "Bob Hickson" wrote:
>>
Not sure if this helps, but a thermistor for an Airmar transducer should
have about 15,000 ohms. Recently, I installed new Raymarine I-70
instruments. I could not get the speedo to work. I tested my transducer
and another that a lister gave me. Neither transducer would work because
the thermist
The speed transducer is caput...
On Tue, Jan 14, 2014 at 8:22 AM, Rick Brass wrote:
> First post snagged because it was too big. Forgot to delete the string of
> previous posts.
>
>
>
> *From:* Rick Brass [mailto:rickbr...@earthlink.net]
> *Sent:* Tuesday, January 14, 2014 8:17 AM
> *To:* 'cnc-
I found one molded in the pan when I
lift up the hinged port side settee.
Bill Bina
On 1/14/2014 7:45 PM, Jake Brodersen wrote:
Ken,
It’s
nice to hear that someone else has
Graham,
I can recommend the tarp material sold by Kover Klamps as being able to stand
up to significant winds. The molded Klamps work well to distribute the tie-down
stress. Calypso's winter deck project cover has not seen 70 knots but is on
its second season with several exposures to 40+.
Ma
Hi Mark
Yep, was down there after work today and tried to address it, but that
tarp is toast I fear. And only mid January! Who the heck ordered the
70 knot winds?!?!?!
Thanks for the note.
Graham Collins
Secret Plans
C&C 35-III #11
On 2014-01-14 8:14 PM, Dr. Mark Bodnar wrote:
Graham,
No
Umm... I'm going to have to save my dimes for a while... maybe not
next summer...
Graham Collins
Secret Plans
C&C 35-III #11
On 2014-01-14 7:30 PM, dwight wrote:
She is a dandy, no doubt about that, pretty and very well laid out,
looks like she's got good speed potential too...will yours b
The USAF issued us the MB-4. Pretty much the same thing. Can you believe I
had to turn it in when I changed jobs??? I got to keep the cool analog Nav
watch though. Still works after 35 years. I even used it to start a couple
of races last year. Although Santa brought me a new Citizen Promaste
Ken,
It's nice to hear that someone else has a similar marking. I don't want to
be the odd ball here.
Jake
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Ken
Heaton
Sent: Tuesday, January 14, 2014 5:29 AM
To: cnc-list
Subject: Re: Stus-List Inside hull numbers
I
Not sure if they still sell the Auto-prop but, at the time(about 2 years ago),
they were the US/North American rep for Gori.
Never had a fixed prop but could the noise be from cavitation?
Charlie Nelson
Water Phantom
Sent from my iPad
> On Jan 14, 2014, at 5:21 PM, "dwight" wrote:
>
> Charlie
"Much less prop walk in reverse"
Not sure that's a good thing.
John
Sent from my iPad
> On Jan 14, 2014, at 7:24 PM, "Bob Hickson" wrote:
>
> When I bought my 29 mk 2 in 2012 it had the original fixed 2 blade prop on it.
> Performed well when motoring
> HORRIBLE prop walk in reverse
> Lots o
When I bought my 29 mk 2 in 2012 it had the original fixed 2 blade prop on
it.
Performed well when motoring
HORRIBLE prop walk in reverse
Lots of drag (read slow) when sailing.
In the spring of 2013, I installed a feathering, three blade, used CDI prop
that I bought from a former 29 -2 owner
Graham,
Not sure if you've been down to the Yacht Club since the wind
storm on Sat. I stopped by today to check on my boat and cover.
Mine looks fine (buried back in with the herd of boats) - but your
tarp looks a little shredded with an opening about 8 f
Jimmy — do the B&G RDFs look like this?If you’re looking to send one to a good home, let me know — thanks!
Fred Street -- MinneapolisS/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^(
On Jan 14, 2014, at 5:25 PM, Jimmy Kelly wrote:as martin de young s
I figured you were toying with me, but not to the point of ignoring such a
taunt.
These are the average PHRF numbers, and I think the 40 has a little more
windage .
The C&C 39 next to me repowered around 10 years ago with a 27 HP Yanmar, and
they did say that it was underpowered. They went
engine size on cnc 40 can be as low as 30 hp on new universal diesels with
their higher torque..as to prop revs 3200 would sound about right..prop
needs to be repitched..if going with folder a used 2 blade martec
folder is a very reasonable option ...contact martec as to pitch...they
can do
I was glad to see that a few people already recommended Rob. He is one
of the really good guys in the industry, and he knows his s&%t too. He
is a hard-core C&C guy, if you need old C&C parts, he either has them,
knows where to get them, or they don't exist!
--
Will Harris
Waterline Systems
She is a dandy, no doubt about that, pretty and very well laid out, looks
like she's got good speed potential too.will yours be in Halifax by summer,
I would like to see up close
_
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Graham
Collins
Sent: January 14, 2014
as martin de young says when offshore, older dated gear still handy
..still have B&G rdf...with hand bering compass,still usable to home in
on high wattage radio stations when required...have two units if anyone
wants one for museum collection.the heath kit rdf..really takes you
back be
When you come in the doors of the main hall he is on the far side,
against the wall, near the right side corner. If you do the tour of
keelboats he is a bit left of that.
I want a Blue Jacket 40, that is a sweet ride!
Graham Collins
Secret Plans
C&C 35-III #11
On 2014-01-14 4:50 PM, Stevan P
George, it sounds like you have the TM/DK version.
Like this one...
http://www.yachtworld.com/boats/1981/C%26c-40-2-TM-DK-2627915/Victoria/Canada#.UtW7tLTcC3A
Jim Watts
Paradigm Shift
C&C 35 Mk III
Victoria, BC
On 14 January 2014 14:04, George Cone wrote:
> The HIN- is ZCC40129M81H, so I as
Charlie
My Auto prop came from AB Marine
Do they still sell Autoprop and if so would
you be able to check the price for an H5 now.
Any fixed blade prop will create more drag than a folding or feathering
prop. Most of us dont like drag on our sailboats, I think a large
percentage of sailo
You're right, Rob, I was giving Bill a little dig because I like his boat so
much that mine may be getting jealous. I wouldn't mind a few more horses to
help me along at times. In 1980, I sailed on a 40 that had a VW Pathfinder
diesel in it. We could motor pretty quickly, but boy was that thing
Andy:
I would be sticking my neck out here but I believe most of the C&C's
built were under powered because they are all, first and foremost,
sailboats. That said, a few more HP couldn't hurt.
My boat is under powered (2GMF) (HP not close to HP per 32 feet) if I
had to motor into a good win
The HIN- is ZCC40129M81H, so I assume that means #129, the present prop is a
2 blade fixed, I also have a question for you on main sail dimensions, is
there only one P=46.5 or is it possible to be longer, I am considering a new
main as it looks like the main is an original. I am also led to believe
I forgot to mention that I am very happy with my two bladed Max Prop. Not sure
what size it is, but the guys at PYI will know.
Bill, I think the reason the 40 gets away with such a small engine is that it
sails so well. Lesser boats may need the extra horsepower... :)
Andy
C&C 40
Peregrine
And
I strongly support what Bill and Andy said about a possible different prop.
One other important consideration for a two bladed prop is the amount of space
between the prop tip and the hull. Most 2 bladed props will be larger in
diameter
than a 3 blade to make up for the lack of surface area in
That sounds woefully underpowered. That boat should have a 37 - 40 HP
engine in it. Anyways. Which might explain why it won't develop full RPM's
Also need to know what your reduction is. Then, after everyone chips in and
ballparks a prop size & pitch, you will still need to get the
recommendat
Right now I'm thinking I will sail with the Depth and the wind "True / App"
and the speed paddle if I can get it to work and then the new Garmin
Echo50s and leave it a lone for a while. I will go tonight and hookup the
flux gate and the wind and take a new look at the (+) (-) on the GPS and
the Aut
mine is 1 1/8"
Your engine should go to full rated RPM in gear. If it doesn't, then your
prop may be overpitched or your tach may not be right or you have a problem
with the engine.
In my 1981 I have a Yanmar 3QM not the 3HM. What hull number is your boat?
Mine is 143.
Andy
C&C 40
Peregrine
On Tu
Curtis:
You have had lots of advice...here's my take...even though I have a GPS
chartplotter and a handheld GPS, I would not be without my old Signet
speed instrument. Simply to say, I just like it as it read 2 digits
after the decimal point in big digital numbers in the cockpit.and it
is
I am considering adding a folding prop for the boat and wanted to know if
anyone had information on the recommended size of the propeller and what the
size of the shaft might be. The boat is a 1981 with the 27 hp - yanmar 3HM-
the engine is rated for 3200 rpm, but normally will only go to 2600rpm.
Very timely recommendation Paul! Thank you. I'm going today after work!
Hopefully I can find him!
Steve
Suhana, C&C 32
Toronto
On Tue, Jan 14, 2014 at 3:08 PM, Paul Fountain
wrote:
> Steve,
>
>
>
> If you are at the boat show talk to Rob MacLachlan at South Shore Yachts
> – either he can do it
We love ours added ½ knot in light air
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of
sam.c.sal...@gmail.com
Sent: January 14, 2014 12:27 PM
To: cnc-list@cnc-list.com
Subject: Re: Stus-List Prop Question
I just paid $1,145 for a 15x9R Flexofold.
sam :-)
Fr
Steve,
If you are at the boat show talk to Rob MacLachlan at South Shore Yachts -
either he can do it or will know who can - Knows C&C well as he started
there. Web Site is here ... http://southshoreyachts.com/
He's done work for me before.
From: CnC-List [mailto:cnc-list-boun...@cnc-li
Hi All.
I'm looking for recommendations on a good rigger that can come out to my
boat and inspect the rig. Mast is down so now's the time. Should I be
concerned with riggers selling me things I don't need? Any recommendations
for a rigger in the Toronto area?
Thanks,
Steve
Suhana, C&C 32
Toronto
I like this calculator
http://www.sailingcourse.com/keelboat/true_wind_calculator.htm
and I like this on the physics of sailing
http://www.physics.unsw.edu.au/~jw/sailing.html
_
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Frederick
G Street
Sent
Hmmm… my Telex version must be around somewhere...
Fred Street -- Minneapolis
S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^(
On Jan 14, 2014, at 12:59 PM, Della Barba, Joe wrote:
> http://en.wikipedia.org/wiki/E6B
>
> It isn’t intended for this use, but I think it wou
>>... found none of the boats electronics working.<<
I still carry a lead line, paper charts, battery operated GPS and VHF, and a
sextant if going offshore. I rarely carry my very old school Walker Taffrail
Log but I have been looking for a 70's Heathkit RDF to add to my old boat stuff
museum.
http://en.wikipedia.org/wiki/E6B
It isn't intended for this use, but I think it would work for it.
Joe Della Barba
Coquina
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of dwight
Sent: Tuesday, January 14, 2014 12:51 PM
To: cnc-list@cnc-list.com
Subject: Re: Stus-List FW: Autohe
I love the fact that I will have some back up;s to back ups. Plus paper
charts and hand held Garmin 76 It gives me comfort to know that when done
with this process I will now all of my equipment. Before i sail.
On Tue, Jan 14, 2014 at 11:05 AM, Hoyt, Mike wrote:
> I second that.
>
> We left a
What I E-6b
_
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Della
Barba, Joe
Sent: January 14, 2014 1:25 PM
To: cnc-list@cnc-list.com
Subject: Re: Stus-List FW: Autohelm St4000 how it should work with the GPS
E-6B can do it very easy :-)
Joe Della Barba
>From FlexFold web site regarding 2 vs 3 blades. Choice between fixed, folding,
>feathering is your choice.
What propeller to choose?
That depends on what sailing boat you got, the engine and not least - your
priorities!
A 2-blade propeller is more efficient than a 3-blade. Surprised? Well, mos
I just paid $1,145 for a 15x9R Flexofold.
the speed sensor (paddle wheel type) will not show continuity with a
multimeter. It will send pulses when powered up and spinning. You need
something more sophisticated to see it.
Leslie
C&C32 1983
On Tue, 1/14/14, Curtis wrote:
Subject: Re: Stu
E-6B can do it very easy :)
Joe Della Barba
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of dwight
Sent: Tuesday, January 14, 2014 12:21 PM
To: cnc-list@cnc-list.com
Subject: Re: Stus-List FW: Autohelm St4000 how it should work with the GPS
Well its easy for me, I did high sch
Well its easy for me, I did high school and several physics course at
university.not so easy for commerce grads or many others maybe
_
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Marek
Dziedzic
Sent: January 14, 2014 1:16 PM
To: cnc-list@cnc-list.com
Subject: Re
If you understand adding and subtracting vectors (true wind, boat speed,
potentially current and drift), there is nothing simpler.
Marek
--
Message: 6
Date: Tue, 14 Jan 2014 11:58:06 -0500
From: Josh Muckley
To: cnc-list@cnc-list.com
Subject: Re: Stus-List FW: Autoh
Your true wind and apparent wind SHOULD be MATCHED with no boat speed and
will only ever be different by as much as boat speed. Most visible close
hulled or dead down. Broad reaching you probably won't see too much. You
probably just didn't compare when the two wind speeds at the right time.
Jus
Covering a few things on the same topic.
1) ST50 Speed System ( Z095 & Z092 )
Wire colour code:
Screen - 0 volts - ground
Red - 5 volts - power
Green - 0 to 5 volt log pulse measured from green to screen, from speed sensor
Yellow - Temperature 1
Blue - Temperature 2
Power up the equipme
Chuck, you missed one other option, a two bladed geared folding prop, like the
Flex-o-fold or Gori. With the Flex, you get a little less sailing performance
(it only folds to a width of about an inch but the hub is that large, so this
may be a non-issue) but it has blades with more curve than a
I second that.
We left a dock last August for a short trip across a very large Bay at
6AM. Just befire leaving found none of the boats electronics working.
Chart Plotter, Speedo, Depth all blank. We had a 30 NM crossing in an
area I had seldom sailed. Was overcast and 15-20 knots (behind us
tha
It's concerning to know there are boaters out there on the water (not you
Steve - I mean your friends and others) who do not realize the importance of
having backup instrumentation, and alternate means of navigating.
Imagine being out in fog (or darkness), losing ones GPS and having no speed
or dep
Yes - you need to know both for the full picture. This applies to airplanes
too. If I am doing 100 knots airspeed at 3,000 feet and 100 knots at 1,000 feet
I can't pick an altitude. With the GPS speed I can tell which altitude has the
best tailwind or least headwind. With the GPS and speed thro
That helps . I can understand why it is needed. it would be a great help to
me . I do sail in the Beaufort / Broad / Morgan rivers more than anywhere
else. I have to fight 7 to 9 foot tidal changes. I mentioned in a another
post that I have been sailing real hard and doing real good with the water
*"As far as water temp goes, there is a thermister in the sensor that
changes resistance in response to temperature change, but it would probably
only show a very few ohms of resistance and might look like normal
continuity unless you have a very sensitive meter."*
I thought the temp was part of t
On my panels I used the Weather Pack connectors (Delphi?). They are better in
my opinion, because they have a seal protecting the contacts (as opposed to the
Cole Hersee, which is a classic trailer connector). Probably either would do,
as the trailer connectors operate in somewhat harsh environm
I went through a lot of trouble to install an ST40 speed instrument (and a
depth one) on my boat last year. My friends were all "forget about that,
use a GPS". I figured it would be useful when trimming the sails, instant
feedback. I'm happy to hear others have the same perspective.
Steve
Suhana,
Also note that if you sit near the fluxgate with a cellphone (magnetic speaker)
and a cell phone holder with a magnetic flap the boat will likely not go
straight at all!
Joe Della Barba
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Rich Knowles
Sent: Tuesday, January 14, 20
Makes life interesting:)
Rich
On Jan 14, 2014, at 10:20 AM, Della Barba, Joe wrote:
If you go right in the very center of the Bay Bridge main span sometimes the
steel cancels out. If you miss by a foot the autopilot will turn hard at the
bridge.
Joe Della Barba
Coquina
From: CnC-List [mail
Current and tide should have ZERO effect on a knotmeter unless you are moored
or anchored.
I have seen 5 knots at anchor in New England.
Joe Della Barba
Coquina
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of dwight
Sent: Tuesday, January 14, 2014 8:21 AM
To: cnc-list@cnc-list.
Also:
ST60 Speed transducer connections:
Red 12V_SPD Approximately 11.2V DC out
Green SPD With transducer attached, spinning paddle-wheel
produces pulses approximately 11.2V DC in amplitude
at 5.5Hz/Knot.
Screen OV OV
White TEMP With transducer attached, voltage here is dependant
on temperature.
SOG (akak GPS speed, aka speed over ground) is useful to tell you how long it
will take to get to your destination. Speed through the water is what you want
for sail trim or checking engine performance. If I let the main out 12 inches
while sailing back from the side of the river to the center w
would NOT see changes when spinning it.
On Jan 14, 2014 9:18 AM, "Josh Muckley" wrote:
>
> Oh yeah, I believe your speed wheel uses what is called a hall-effect
transistor. It simply conducts momentarily in the presence of a magnetic
field. So 0 ohms is correct. You probably would even see any
If you go right in the very center of the Bay Bridge main span sometimes the
steel cancels out. If you miss by a foot the autopilot will turn hard at the
bridge.
Joe Della Barba
Coquina
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Rich Knowles
Sent: Monday, January 13, 2014
This is how I run mine. I routed the cable from the batteries to one of storage
lockers and the cable comes out under the lid and then it goes along the bimini
support. You may want to put some chafe protection around the cable at the
point where it passes under the lid.
I think that the connec
Oh yeah, I believe your speed wheel uses what is called a hall-effect
transistor. It simply conducts momentarily in the presence of a magnetic
field. So 0 ohms is correct. You probably would even see any change when
you spin the wheel. The instrument just counts "clicks".
Josh
On Jan 14, 2014
Curtis,
Found this neat description when I googled, "troubleshooting airmar speed
transducer"
http://faq.airmar.com/index.php?sid=846053&lang=en&action=artikel&cat=1&id=39&artlang=en
Chuck
Resolute
1990 C&C 34R
Atlantic City, NJ
___
This List
Boat speed is very helpful for innumerable reasons.
The speed wheel shows speed through the water. The GPS shows speed over
ground. If you take the differance then you can see the speed of the
current.
The wind instrument uses boat speed to calculate apparent wind speed and
angle which is more
First post snagged because it was too big. Forgot to delete the string of
previous posts.
From: Rick Brass [mailto:rickbr...@earthlink.net]
Sent: Tuesday, January 14, 2014 8:17 AM
To: 'cnc-list@cnc-list.com'
Subject: RE: Stus-List Autohelm St4000 how it should work with the GPS
Curtis;
Rich
As the paddle wheel spins it generates an induced pulsed current, correct?
the rate of pulse is related to how fast it spins and that can be related to
boat speed.currents or tidal flow affect this but still I value my meter
highly as I adjust sail trim.it gives a fast response compared to
Curtis, your ohm meter likely wont show anything. Plug it into the instrument
to test it.
Rich
> On Jan 14, 2014, at 8:31, Curtis wrote:
>
> I worked with the paddle wheel last night ad was able to clean it. It now
> spins freely but shows however it still has no activity on the ohms meter.
I worked with the paddle wheel last night ad was able to clean it. It now
spins freely but shows however it still has no activity on the ohms meter.
All that being said, how much does this speed help you anyway? I mean it
will tell me how fast the river is passing under my boat but not if I’m
maki
As you saw in the other posts, your friend is right about propulsion,
optimistic about the drag and very good at spending your money! You'll have
to set your own priorities.
For sailing on that part of the bay/river, I don't know that I'd make it my top
priority. If everything else on the bo
I realise I have a different model of C&C but that is where the hidden
number is on mine, perhaps they were consistent in their location? You
have to unscrew and remove the wooden top off the dinette bench to see it.
The number is moulded into the top edge of the support for the bench up
against
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