[C320-list] Shallow Bilge vs Deep Bilge

[Bill Culbertson]

JeffC's explanation is more accurate.  Gerry Douglas explained this to us at the factory tour in the Marina Del Rey C320 annual meeting/regatta in 2004. 
   
  There are 3 different drafts in 320 history.  There was a period of time where the draft was deeper because the bilge had been made deeper but the original keel was retained.  Then they switched to the 310 keel to shorten the draft back to spec.  There is a picture of the two keels side-by-side on our 320 website.
   
  The 3 drafts are:
    original shallow bilge and original keel
    new deeper bilge and original keel (deeper draft than spec)
    new deeper bilge and new 310 keel (draft closer to original but not an exact match)
   
  Hope this helps
   -bill
  
"Richard A. Walker" <dickwalker at att.net> wrote:
  It is not the external shape of the underbody but the manner in which the
Kiel was laid down. It has to do with the way that ended up in the bilge.
I seem to recall that this was changed with hull 355, but that may be wrong.

In other words the external shape is the same.

Cheers,

Dick Walker
C-320 (687) WindWalker II
740 Olive Ave.
Coronado, CA 92118-2136



619.435.8986-----Original Message-----
From: C320-List-bounces at catalina320.com
[mailto:C320-List-bounces at catalina320.com] On Behalf Of Jeff Church
Sent: Tuesday, May 02, 2006 7:24 AM
To: C320-List
Subject: Re: [C320-list] Shallow Bilge vs Deep Bilge

I believe C320's had the same keel, regardless of bilge modifications, up 
thru hull 846. At that point they were switched to the shallower C310 keel.

JeffC


----- Original Message ----- 
From: "Sweetwater Yacht Charters" 
To: "C320-List" 
Sent: Tuesday, May 02, 2006 12:02 PM
Subject: Re: [C320-list] Shallow Bilge vs Deep Bilge


>
> ----- Original Message -----
> From: "Kurt R. Budelmann, M.D."
>
>
>> Do the older shallow bilge models of the 320 sail faster than the newer
> models?
>
> Maybe, since the bilge is not full of beer cans ;-)
>
> Seriously, I have no clue. Is the keel itself deeper on the new models? Is
> the displacement weight different?
>
> -Joan
> C320 #90 Persistence
>
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