[Public-List] Cockpit deck core job

[Gordon Laco]

HI Jeff - 

No, there was a large raggedly cut hole that allowed the rudder shaft to
'float' up through the bronze casting.  The latter is what held it in
position.

When I was visualizing the job before doing it, one of the plans I was
developing for the plywood was to lay it down in squares like tiles leaving
spaces to fill with thickened epoxy.  I was thinking isolating each square
from its neihbors would be a good thing with regard to preventing future
water trouble.   I decided not to bother with this as I contemplated
possible difficulties in making the top surface smooth.

People had told me that I would never be able to get the top surface of the
fibreglass laminate off intact so I went into this job all set to make a new
top laminate.... But as I wrote, I was indeed able to remove the top surface
intact as a quite solid plate which I was able to reuse.

Thanks for the 'good for you'.   Honestly I held off doing this for several
years... I was really not looking forward to it.  Working on wooden boats
holds no particular terrors for me; in fact I love the look and smell of the
wood - the projects often look beautiful as they are in progress and I have
several times thought it a shame to cover  them with paint etc.  Fibreglass
work on the other hand looks to me like panic barely under control until the
finish goes on!  But that's just me I guess.

Gord #426 SURPRISE


On 08/04/10 9:01 AM, "Jeffrey" <fongemie at gmail.com> wrote:

> Gord,
> 
> Does your boat have the little fiberglass volcano that rises up under
> the tiller where the shaft meets the tiller? Sounds like this came out
> intact and you were able to completely able to reuse? For the core, a
> solid piece of plywood? Or cut up into sections?
> 
> Good for you on jumping into this. It's on my list, but keeps getting
> bumped back down by other projects.
> 
> -jeff
> 
> On Thu, Apr 8, 2010 at 8:37 AM, Gordon Laco <mainstay at csolve.net> wrote:
>> I didn't use foam core or any of the other materials available because in a
>> small high traffic area like the cockpit sole something capable of taking a
>> real pounding was, I reckoned the way to go.  If I were doing a larger
>> expanse I would have worried more about weight...but in a smaller area the
>> diff in weight between the lightest synthetic and a piece of 3/8" plywood
>> (which was the perfect thickness) is I think negligible in the scope of the
>> boat's displacement.
>> 
>> I am not going to worry about water in the wood because the plywood is very
>> well soaked in epoxy.
>> 
>> The plywood was cheap, already in stock in my workshop... And as I see Don
>> has remarked, hard to beat for strength.
>> 
>> Gord #426
>> 
>> 
>> On 08/04/10 6:40 AM, "C.B. Currier" <cbcurrier at spinrx.com> wrote:
>> 
>>> Gord,
>>> 
>>> Why not use foam core ?
>>> Lighter, equally as strong in this sandwiched environment and if closed
>>> cell - will never absorb the water? And what thickness did you use?
>>> 
>>> C.B. Currier
>>> Infinity #57
>>> Daybreak #458
>>> 
>>> On Tue, 2010-04-06 at 09:23 -0400, Gordon Laco wrote:
>>>> I still have three weeks before my intended
>>>> launch date and all the big jobs on the boat are under control.
>>>> 
>>> 
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> 
> 



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