[Public-List] Stern squat.

[Gordon Laco]

Sorry, no basis for that one.

Actually they were designed for the light air in Western Lake Ontario....
And that's partly why the less dense iron ballast seemed acceptable.  The
loss of stiffness due slightly higher centre of gravity didn't seem to
matter so much...

G




On 15/02/13 10:58 AM, "Jason S" <mpcylinderheads at gmail.com> wrote:

> What is the story with the A30 and San Fransisco bay? I thought I read
> somewhere where it was based off or designed for SF bay.......just curious
> On Feb 15, 2013 10:51 AM, "Gordon Laco" <mainstay at csolve.net> wrote:
> 
>> Hi -
>> 
>> Hansen and Alberg collaborated on the design at the request of the Canadian
>> Folkboat Association based in Toronto, who wanted a larger boat than the
>> Folkboat.  However, the part about the engine is partly true; the boat was
>> designed for an engine, but the Grey Marine and Atomic IV is somewhat
>> larger
>> and heavier than Alberg might have had in mind. The ballast story is true;
>> iron is much cheaper and that's why we got it.  Folkboats use iron, and
>> Kurt
>> was comfortable with it.
>> 
>> Gord #426 Surprise
>> 
>> 
>> On 15/02/13 10:45 AM, "David Gilbert" <bigkanu at rogers.com> wrote:
>> 
>>> Big Kanu is # 620 and sports a liner; one of the newer ones if you can
>>> call a boat built in 1977 "newer". I have heard that Carl Alberg
>>> designed the 30 at the request of some sailors in the Chesapeake Bay
>>> and that it was designed without an engine. Kurt Hansen, being smart
>>> enough to recognize the potential, installed an engine without
>>> altering the ballast - ergo, she squats. Last year at launch, well
>>> before the mast was reinstalled, I had members come to me in a panic
>>> because they thought the boat was taking on water.
>>> David
>>> On 14-Feb-13, at 11:27 PM, Jeremy Brown wrote:
>>> 
>>>> Hi all,
>>>> As I finish up some projects and spend more time actually relaxing
>>>> on the boat I'm noticing some things that bug me that I would like
>>>> to fix soon.   One of the biggest is the squat at the stern.  While
>>>> I do need to empty the aft lockers, and currently have nothing up
>>>> front, it seems to me that it squats a bit even when totally empty.
>>>> One thing I have noticed is that the mast is slid as far it will go
>>>> aft on it's bolts.  Could I move it forward?
>>>> 
>>>> Has anybody added permanent weight up forward?  I have a Yanmar
>>>> 2GM20F, and tank under the cockpit sole, as well as the port locker
>>>> containing my house battery bank, even with empty lockers she sits a
>>>> little bit heavy aft.
>>>> I'm thinking either poured in place concrete(broken up into smaller
>>>> sections with 3/8$ foam, with a hard plastic layer on top of 1/2"
>>>> closed cell foam to make it easy to remove if needed, and to protect
>>>> the hull, or lead(shot in bags).
>>>> 
>>>> I'd like to get the bow down a couple inches, it's not the end of
>>>> the world if I can't but it does bug me a fair bit.
>>>> 
>>>> 
>>>> Thanks
>>>> 
>>>> Jeremy
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>>> 
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>> 
>> 
>> _______________________________________________
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>> Please support them.
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>> 
> _______________________________________________
> These businesses support your Association:
> http://www.alberg30.org/store/A30supporters.html
> Please support them.
> _______________________________________________
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