[Rhodes22-list] Cracks in keel

[The Rhodes 22 Email List]

For those with the audacity to suggest that my lift is a bit overkill all I
can say is that, having now evaluated the situation through hindsight, I can
confidently report that it is actually ridiculous overkill. 

It started as a much more modest idea and grew from there without me
applying critical reasoning or feeling that I was so far into the project
that I might as well finish it. That said, it has it uses as I have three
boats - a 16' pontoon boat, a 20' wooden outboard and the Rhodes and have
used the lift to work on the bottoms of each. Also I had a fear of working
on the keel while lying on my back with the keel a few inches above my head.
I wanted to be able to sit while working on it and be able to get up and
down more easily. I am 67 and getting up from a prone position every time I
need a tool is exhausting. All that is weak rationalization for the effort
and expense that was involved. Were I to do it again, I wouldn't. Given that
I now have it, it is useful if entirely not justifiable.

Graham 


-----Original Message-----
From: rhodes22-list-bounces at rhodes22.org
[mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of The Rhodes 22 Email
List
Sent: June-18-14 7:47 AM
To: The Rhodes 22 Email List
Subject: Re: [Rhodes22-list] Cracks in keel

That's a nice lift, but a bit over kill in my opinion.  Standard boat jacks
would allow you to work on the boat and you could just build a simple a
frame to lift the boat off of the trailer and on to the boat jacks.  We did
that to load a boat onto the trailer and it works very well.

Hank

On Tue, Jun 17, 2014 at 4:31 PM, The Rhodes 22 Email List <
rhodes22-list at rhodes22.org> wrote:

> I have finally put my boat  into the lift I built so that I can begin 
> work on the cracks in the keel and would welcome any advice as to how 
> this might be fixed and speculation as to the cause so that I might 
> prevent it from happening again.
>
> Picture 1 is of the boat in the lift. This allows me to get under the 
> keel to work in reasonable comfort.
> The next two pictures show the cracks with the camera under the keel 
> looking up. The centreboard is removed. The cracks run along the edge 
> where the bottom of the keel meets the inside of the centreboard slot.
>
> As for the cause, I suspect that some time in the past the keel was 
> damaged leaving a crack that allowed water to enter where it might 
> have froze in the winter doing further damage. On the other hand I 
> would have thought that the water would have drained out before 
> freezing temperatures were reached.
>
> There appears to be voids in the keel. The last shot shows were I was 
> drilling out osmosis blisters and went right through the skin into a void.
> Tapping on the skin often creates a hollow sound suggesting that there 
> are plenty more voids. It seems to me that voids under the skin are a 
> recipe for problems. Drilling holes and pumping in epoxy would not be 
> that difficult for those I find under the outside skin but would be 
> much more difficult for voids under the skin in the centreboard slot - 
> which currently looks intact.
> I thought I might drill a series of holes through the cabin bottom 
> into the keel and push more epoxy down from above. To find voids I 
> might need to drill a lot of holes.
>
> As for the cracks, my current plan, absent any other ideas, is to open 
> the cracks to allow access with a cartridge tip and force thickened 
> epoxy up into the crack. I would then apply layers of cloth and epoxy from
about 3"
> up to the slot down and around the bottom and up 3" on the outside. I 
> have ground out a bevel on the inside to allow for layers of cloth to 
> be added without making the slot too narrow for the centreboard.
>
> When all that is done I plan to do the whole bottom - drill out 
> blisters and do the blister prevention program recommended by West 
> System. I don't want to ever do this again so suggestions are welcome. 
> Thanks in advance.
>
> Graham
>
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