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Old 23-01-2018, 20:07   #1
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Weatherproof locks

Can anyone recommend a lock that will withstand a salt water environment without rusting or jamming? I use a heavy Kryptonite cable to chain my outboard and gas tank to my dinghy. When I went to remove it, the locking mechanism was so rusted that it was impossible to open. I had to use my angle grinder to cut the lock off. I'm considering getting an ABUS disc type lock, which I think will increase security over a standard padlock, but what if it jams? I may not be able to cut it off. Any recommendations?
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Old 23-01-2018, 21:01   #2
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Re: Weatherproof locks

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Originally Posted by Dr. Sea View Post
Can anyone recommend a lock that will withstand a salt water environment without rusting or jamming? I use a heavy Kryptonite cable to chain my outboard and gas tank to my dinghy. When I went to remove it, the locking mechanism was so rusted that it was impossible to open. I had to use my angle grinder to cut the lock off. I'm considering getting an ABUS disc type lock, which I think will increase security over a standard padlock, but what if it jams? I may not be able to cut it off. Any recommendations?
I believe that a lock that is impervious to an angle grinder has yet to be created.
They make such powerful and relatively small battery powered grinders now that it seems that any lock is more window dressing to keep the opportunists away.
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Old 24-01-2018, 05:01   #3
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Re: Weatherproof locks

Nothing from Home Depot so far has not rusted.
I did buy a nice bronze / brass one from WestMarine $$$$ and it has lasted 2 years, but a pair of pliers will open it.
All the locks on the Navy ships were brass / bronze and still required regular maintenance. “Busting rust”...........oohhhhhh, sends shivers up me spine.
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Old 24-01-2018, 05:12   #4
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Re: Weatherproof locks

After having several problems with rusting locks for securing our outboard on the rail or on the dinghy we bought one of these:
https://www.abus.com/eng/Commercial-...Aqua-Safe-70IB

works fine for now, as far as i remember it was a little bit hard to open one single time, so we put some grease inside. Now it's fine again.
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Old 24-01-2018, 15:46   #5
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Re: Weatherproof locks

I've had one of these for 34 years.....all saltwater use. I oil it with "3 in 1" every spring.
Sesamee Locks | Sesamee Lock | Sesamee Combination Locks
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Old 24-01-2018, 16:45   #6
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Re: Weatherproof locks

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Originally Posted by txg View Post
After having several problems with rusting locks for securing our outboard on the rail or on the dinghy we bought one of these:
https://www.abus.com/eng/Commercial-...Aqua-Safe-70IB

works fine for now, as far as i remember it was a little bit hard to open one single time, so we put some grease inside. Now it's fine again.
Ive used Abus products for many years. They hold up great in a marine environment. Had one on a chain on a piling once that slipped down into the salt water while I was gone for several months. I thought it had to be a goner. Hauled it up, cleaned it up a bit and it popped right open! That was about a dozen years ago and Im still using the same lock. Great products.

The problem with most locks advertized as "marine" or "weather proof" is that their guts still contain ferrous metal parts...so of course they dont last long around salt water.
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Old 24-01-2018, 23:22   #7
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Re: Weatherproof locks

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Originally Posted by belizesailor View Post
Ive used Abus products for many years. They hold up great in a marine environment. Had one on a chain on a piling once that slipped down into the salt water while I was gone for several months. I thought it had to be a goner. Hauled it up, cleaned it up a bit and it popped right open! That was about a dozen years ago and Im still using the same lock. Great products.

The problem with most locks advertized as "marine" or "weather proof" is that their guts still contain ferrous metal parts...so of course they dont last long around salt water.


My experience with Abus was similar but the lock lay in the bottom of the dingy which had a slight leak for months and when I tried to open it the barrel would not turn. Unfortunately I then sprayed CRC into it and never did get it to turn. I think what happened was that salt and carbonate minerals from the seawater built up inside and had I soaked the lock in hot fresh water, vinegar or dilute acid it may have freed up and that by coating the deposit in CRC I had prevented the dissolution of the deposits.

I was still happy with the lock as I had about 7 years of service from it.
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