[C320-list] White Rudders

[crashley at gte.net]

I've only heard that rudders are sometimes painted white so you can see if 
seaweed if fouling them.

CRA
Rosebud #882


----- Original Message ----- 
From: "T. Scott Thompson" <sthompson at toad.net>
To: "C320-List" <C320-List at catalina320.com>
Sent: Monday, June 26, 2006 7:26 PM
Subject: Re: [C320-list] White Rudders


> I've heard this theory, but as Rod says, I heard it was about storage on 
> the hard.  What's more, the way it was told to me it was only an issue in 
> freezing conditions where the dark color might lead to more daytime 
> heating and thus more freeze / thaw cycles of water that manages to 
> intrude into the rudder.  Some people cover their rudder with white 
> plastic to deal with this, but not very many from what I've seen in yards 
> here in Maryland.
>
> Scott
>
> Rod Boer wrote:
>> Karl,
>>
>> It was my understanding that the heat absorption issue was when the boats 
>> were on the hard.  The dealer I purchased my boat from indicated the same 
>> thing.  Maybe this is a Gerry Douglas question.
>>
>> Rod
>> ----- Original Message ----- From: "Karl Mielenhausen _/) " 
>> <kmielen at iwon.com>
>> To: <C320-List at catalina320.com>
>> Sent: Monday, June 26, 2006 11:54 AM
>> Subject: [C320-list] White Rudders
>>
>>
>>>
>>> My PO has kept the rudder (only) painted with white bottom paint. 
>>> Apparently, Tidewater Marine started doing this on the new boats sold 
>>> 6-8 years ago as a solution to delamination problems with the rudders on 
>>> the new Hunters and/or Catalinas.
>>>
>>> Something about the white paint reducing heat absorption and preventing 
>>> rudder foam delamination (the science escapes me as heat transfer in the 
>>> water should be relatively unaffected by color).
>>>
>>> Any historical insights from this list of owners?
>>>
>>>
>>>
>>> Karl Mielenhausen
>>>
>>> 2000 C320 Hull#690 "Silver Lining"
>>>
>>> New Bern, NC
>>>
>>> http://members.cox.net/mielen/
>>>
>>> _______________________________________________
>>>
>>>
>>>
>>
>
>
>