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Old 04-28-2019, 05:57 PM   #1
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Enlarging a hole in a concrete planter


I need to put out a mooring for my "new" sailboat. I am told that 100 pounds should be adequate. I was going to fill a plastic drum with a couple bags of cement, but then I thought of these two concrete planters we have, but my wife hates. They weigh 73 pounds each, so two ought to be more than adequate.

The drainage hole is 1" and my chain requires 1.5". The bottoms are 1" thick.
Can I drill some holes next to the drainage hole and chip off the material between the holes to increase the size, or will that somehow destroy the integrity.
Obviously I don't know what I am doing, so any advice would be appreciated.
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Old 04-28-2019, 06:08 PM   #2
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Re: Enlarging a hole in a concrete planter


Just use eye bolts and nuts and big washers

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Old 04-28-2019, 06:23 PM   #3
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Re: Enlarging a hole in a concrete planter


Ayuh,..... How ever you attach the chain, leave 5' or 6' of chain between 'em,.....

That way the wind/ boat has to lift the 1st one, before the 2nd one can move,.....

I used a 351 Ford motor as the base weight for my houseboat mooring, then 5' of chain, to an ole 4 cylinder motor, then more chain to the 20' mooring line to the houseboat,.....

It ain't moved in the 10 plus years it's been there,....
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Old 04-28-2019, 06:28 PM   #4
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Re: Enlarging a hole in a concrete planter


A friend asked all his friends for their weights sets that nobody uses a year later.
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