[Rhodes22-list] Diamond Board Depth

[cowie]

Ben:

Thanks for the input.  I agree that the "water line" measurement will be
different based on various conditions.  My measurements are from the bottom
and top of the stain line on the hull.  I will am curious to see what
measurements you come up with.


http://old.nabble.com/file/p27823957/IMG_6641r.jpg IMG_6641r.jpg 

Cowie
R22 2009 Opus




BenCittadino wrote:
> 
> Cowie;
> 
> I have a '93 hull, recycled in '08 with the same diamond board
> configuration as yours. My only problem with your measurements is that
> there may be a difference between the "actual" water line and the
> "painted" line. My boat rides just a little bit high which may account for
> some of the difference between your measured draft and the actual draft
> when floating as reported on the GBI web site. My boat is on jacks with
> the board down so I'll take my tape measure next visit and be more
> precise.
> 
> Yes, your board is all the way down in the photo. 
> 
> I seriously doubt the GBI measurements presume a slight heel.
> 
> BenCittadino
> S/V Susan Kay
> 
> 
> 
> cowie wrote:
>> 
>> I took advantage of the warm weather this weekend and got my boat ready
>> for the spring launch.  With my boat up on jacks I was able to lower the
>> diamond board all the way and took some measurements.  I measure 24" from
>> the keel to the bottom of diamond board and also measure 4-3" to 4'-6"
>> from the water line to the bottom of the diamond board.  My question is
>> this:  is my diamond board all the way down at 24"?   I think it is as
>> this seems to match photos on the GB web site but just want to make sure. 
>> The older style center board seems to be deeper?  Also if the water line
>> to bottom of diamond board is 4'-3" less 24" when the board is up then
>> the draft is about 2'-3" not 20" noted on the GB site?  Does the
>> advertised 20" asume a slight heel?  Enclosed are some images for
>> reference.
>> 
>>  http://old.nabble.com/file/p27819957/illustration_02.jpg
>> illustration_02.jpg 
>> 
>> Cowie 
>> Opus 2009
>> 
> 
> 

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