{Stus-List} keel reduction

ckilgour at sympatico.ca ckilgour at sympatico.ca
Mon Feb 4 17:35:43 EST 2008


Sure it is... Right...

CK

>From: "rspence7" <rspence7 at cox.net>
>Reply-To: cnc-list at cnc-list.com
>To: <cnc-list at cnc-list.com>
>Subject: Re: {Stus-List} keel reduction
>Date: Sun, 3 Feb 2008 16:01:52 -0500
>
>Oops, that's supposed to read "Kicking"  freudian slip!
>
>Roger
>----- Original Message -----
>From: "rspence7" <rspence7 at cox.net>
>To: <cnc-list at cnc-list.com>
>Sent: Sunday, February 03, 2008 2:35 PM
>Subject: Re: {Stus-List} keel reduction
>
>
> > Peter,
> > All of your ruminations on keel depth are probably accurate, but the
> > biggest
> > changes in keel thinking came from the Aussies licking Dennis Conner's 
>ass
> > in the America's Cup with their winged keel.
> >
> > More NACA keel development came from that event than probably all 
>recorded
> > history up to that point!
> >
> > Roger
> >
> > ----- Original Message -----
> > From: "Peter Deppisch" <peter.deppisch at sympatico.ca>
> > To: <cnc-list at cnc-list.com>
> > Sent: Sunday, February 03, 2008 12:21 PM
> > Subject: Re: {Stus-List} keel reduction
> >
> >
> >>I have seen this done at Bayfield Marine Services.  They take a chainsaw
> >> and cut-off the keel at the desired depth and then bolt on two half
> >> bulbs and fair and paint and you would think that it was designed that
> >> way.
> >>
> >> Basically keel depth gives you upwind performance.  If you look at the
> >> Cruising Club of America (CCA) boats designed in the '60's they all had
> >> shallow draft in relationship to length or a keel/centreboard
> >> configuration.  The C&C designed Corvette31, keel/centreboard, or the
> >> C&C Redwing 30 with a draft of 4' 6".  I think C&C may have looked at
> >> the Hinckley Bermuda 40 to see what was current in sailboat design at
> >> the time.  My opinion anyway.
> >> 
>http://www.yachtworld.com/core/listing/boatFullDetails.jsp;jsessionid=agSv0fmmhXQh?boat_id=1567116&ybw=&units=Feet&currency=USD&access=Public&listing_id=38184&url=
> >>
> >> In the '70's the draft increased.  The  C&C 35 MK I has a draft of 5'
> >> 3", my C&C 35 MK II draws 5' 6".  The Viking 33/34 draws 5' 6" and 6'
> >> respectively and the C&C 35 MK III has a draft of 6' 6", I think.
> >>
> >> The winged keel reduces draft and is supposed to make up for loss of
> >> upwind performance because of lack of keel depth.
> >>
> >> A long time ago I read that a boat needs to be able to claw of a lee
> >> shore under sail alone.
> >>
> >> Peter
> >> S/V Tangerine
> >>
> >> cscheaffer at comcast.net wrote:
> >>> I'm considering the same thing.
> >>> Checkout the new website at:
> >>>
> >>> marskeel.com
> >>>
> >>> Go to Services, Keel Reduction, etc
> >>> There are some great photos and an explanation of the weight increase
> >>> involved.  The waterline will be a little higher.  I wonder what the
> >>> yard charges?
> >>>
> >>> Chuck
> >>> C&C 34R
> >>>
> >>>
> >>>
> >>>
> >>>     -------------- Original message --------------
> >>>     From: "Bob MacKenzie" <mackbob at mnsi.net>
> >>>
> >>>     I'm looking into the possibility of cutting 16 inches off the keel
> >>>     of my C&C 34 (1978) to cope with lowering water levels in Lake St.
> >>>     Clair and Lake Erie. This wouldreduce my draft to five feet. Local
> >>>     boatyard has checkede with Mars metals (wwhich cast original
> >>>     keels) and it has worked out how much lead I will have to add to
> >>>     maintain current stability. They will double check templates for
> >>>     keel, then cast two pods to bolt through keel. They had figures
> >>>     right at hand, so obviously they have done this before. Anyone
> >>>     have any first-hand experience with this, or have any comments? (I
> >>>     gave up racing five years ago, and have already added a
> >>>     self-tacking jib, so I'm thinking from a cruising point of view.
> >>>     Bob MacKenzie
> >>>
> >>>
> >>> 
>------------------------------------------------------------------------
> >>>
> >>> Subject:
> >>> {Stus-List} Fw: keel modifications
> >>> From:
> >>> "Bob MacKenzie" <mackbob at mnsi.net>
> >>> Date:
> >>> Sun, 3 Feb 2008 02:05:47 +0000
> >>> To:
> >>> "Cnc-List at Cnc-List.Com" <cnc-list at cnc-list.com>
> >>>
> >>> To:
> >>> "Cnc-List at Cnc-List.Com" <cnc-list at cnc-list.com>
> >>>
> >>>
> >>> _______________________________________________
> >>> CnC-List mailing list
> >>> CnC-List at cnc-list.com
> >>> http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
> >>>
> >>> 
>------------------------------------------------------------------------
> >>>
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>------------------------------------------------------------------------
> >>>
> >>> No virus found in this incoming message.
> >>> Checked by AVG.
> >>> Version: 7.5.516 / Virus Database: 269.19.19/1256 - Release Date:
> >>> 02/02/2008 1:50 PM
> >>>
> >>
> >> --
> >> Paraphrasing Pogo:
> >> We are like Nero - fiddling while the Earth burns!
> >> Website:
> >> http://www3.sympatico.ca/peter.deppisch
> >> http://peter.deppisch.googlepages.com/
> >>
> >>
> >> _______________________________________________
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