[Rhodes22-list] So about the centerboard

[Leland]

John,

Exactly right.  The centerboard definitely helps in all of your examples,
and it also creates a surprising amount of drag for how thin it is.  I guess
that's why racers smooth junk off their hulls before racing--it doesn't take
much to slow you down.

With our Rhodes' fixed keels, our boats point pretty well into the wind with
the centerboard up.  Drop the centerboard on a close reach and you'll see a
measurable reduction in speed.

Lee



jlock wrote:
> 
> In my reading, the position of the centerboard should be varied  
> depending on point of sale and prevailing conditions.  For example,  
> when sailing upwind  or across the wind in a stiff breeze, you'll want  
> the CB all the way down to minimize leeway.  But if the breeze is  
> light, you can raise it some and you'll get less drag while still  
> minimizing leeway.  In the same manner, if you're on a reach or  
> running, you may be able to raise the CB all the way, since leeway  
> will be minimal anyway and you can do without the extra drag.
> 
> Cheers!
> John Lock
> ~~~~~~~~~~~~~~~~~~
> s/v Pandion - '79 Rhodes 22
> Lake Sinclair, GA
> ~~~~~~~~~~~~~~~~~~
> 
> 
> On Mar 19, 2009, at 12:44, Lowe, Rob wrote:
>> So, if you have a center board, should it be fully lowered to be  
>> most effective?  Sounds like the diamond board only should be  
>> lowered part way.  How about a center board? - rob
>>
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