[Public-List] Mast Rake

Sun Feb 14 07:30:41 PST 2016

Well that could work, but the object with regard to mast rake adjustment is
to achieve appropriate helm, not to find 90 degrees.  The fact that plumb
seems to suit many boats is an incidental and general reference point to
start from... Every boat will be a little different mostly due to varying
degrees of health in mainsail shape.

Hope that makes sense...

Gord #426 Surprise

On 2016-02-14, 10:26 AM, "Jeffrey via Public-List"
<public-list at lists.alberg30.org> wrote:

> If 90 degrees to the water is the goal, then why not just hold a 48"
> carpenters level up against the mast?
> 
> Not that I've done this. I usually use the halyard plumbob trick.
> 
> Jeff
> 
> Seagrass. #116
> Boothbay Harbor, Maine
> http://sailboatseagrass.com/
> 
> <http://instagram.com/jfongemie>
> 
> On Sun, Feb 14, 2016 at 10:22 AM, Lawrence Morris via Public-List <
> public-list at lists.alberg30.org> wrote:
> 
>> The plumb bob is a reference.  Just be careful that big uncle frank is not
>> standing in the cockpit at the time or on the bow.
>> 
>> The best method is to measure the back stay with the measuring tape
>> hoisted with main halyard.  I don't remember the measurement, but I am sure
>> it is on the website somewhere.  George, help!!!!
>> 
>> 
>> 
>> Larry
>> 
>> Sent from my iPad
>> 
>>> On Feb 14, 2016, at 10:01 AM, John Birch via Public-List <
>> public-list at lists.alberg30.org> wrote:
>>> 
>>> 90 degrees to the water. Hang the loose main halyard down, sometimes a
>> light weight is required to get it to act like a plumb bob. It should not
>> be hanging aft of the mast. If it is, that is rake. The more it hangs aft
>> of the mast, the more rake. The more rake, the more load being put on the
>> aft part of the mast step which is not particularly well supported as it is
>> not over the mast beam.
>>> 
>>> Cheers,
>>> 
>>> JB
>>> 
>>> Re:
>>> 
>>> I remember our A-30 had this problem (KC-544) until we started tuning
>> our rig like the Chesapeake racers. Mast vertical, no rake, or virtually no
>> rake. That took the loading off the deck at the back of the mast foot,
>> which is not supported particularly well by the Aluminium deck beam,
>> putting most of the downward force under the front of the mast step
>> directly over the deck beam.
>>> 
>>> Problem solved. Our decks were dry with no delam. It was a simple
>> compression issue on the back of the step.
>>> 
>>> Hope that is a help.
>>> 
>>> Cheers from Western Lake Ontario, y'all
>>> 
>>> JB
>>> 
>>> 
>>> ----- Original Message ----- From: "Anders Bro via Public-List" <
>> public-list at lists.alberg30.org>
>>> To: "Greg Bover" <gregbover at cbfisk.com>; "Alberg 30 Public List -- open
>> to all" <public-list at lists.alberg30.org>
>>> Sent: Sunday, February 14, 2016 8:46 AM
>>> Subject: Re: [Public-List] Mast Rake
>>> 
>>> 
>>>> Now why didn't I think of that? (I guess I just don't think?)
>>>> Thanks,
>>>> Anders
>>>> 
>>>> Sent from my iPhone
>>>> 
>>>>> On Feb 14, 2016, at 8:31 AM, Greg Bover via Public-List <
>> public-list at lists.alberg30.org> wrote:
>>>>> 
>>>>> Use your main halyard as a plumb bob.
>>>>> 
>>>>>> I was wondering if someone would clarify for me what "vertical" means
>> on a
>>>>> sailboat which doesn't have any reference lines (except perhaps the
>> vague
>>>>> plane of the waterline). If you are setting the mast rake wrt the
>> waterline,
>>>>> how do you assess this angle (since it is difficult to see the
>> waterline
>>>>> from the deck where a person is making the adjustments). Maybe Instead
>> you
>>>>> establish this angle wrt the lowers? (splitting the angle?) Or maybe
>> on a
>>>>> calm day afar with a level while the boat is afloat? Or maybe just
>> trial and
>>>>> error???
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> Greg Bover
>>>>> A-30 #114
>>>>> PENSIVE FLYER
>>>>> Gloucester
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> ---
>>>>> This email has been checked for viruses by Avast antivirus software.
>>>>> https://www.avast.com/antivirus
>>>>> _______________________________________________
>>>>> These businesses support your Association:
>>>>> http://www.alberg30.org/store/A30supporters.html
>>>>> Please support them.
>>>>> _______________________________________________
>>>>> Public-List mailing list
>>>>> Public-List at lists.alberg30.org
>>>>> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
>>>> _______________________________________________
>>>> These businesses support your Association:
>>>> http://www.alberg30.org/store/A30supporters.html
>>>> Please support them.
>>>> _______________________________________________
>>>> Public-List mailing list
>>>> Public-List at lists.alberg30.org
>>>> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
>>> 
>>> 
>>> _______________________________________________
>>> These businesses support your Association:
>>> http://www.alberg30.org/store/A30supporters.html
>>> Please support them.
>>> _______________________________________________
>>> Public-List mailing list
>>> Public-List at lists.alberg30.org
>>> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
>> _______________________________________________
>> These businesses support your Association:
>> http://www.alberg30.org/store/A30supporters.html
>> Please support them.
>> _______________________________________________
>> Public-List mailing list
>> Public-List at lists.alberg30.org
>> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
>> 
> 
> 