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post #21 of 23 Old 10-31-2018
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Re: thread lock for prop zinc?

I use zincs to protect the aluminum saildrive. The 2 that mount on the casing would sometimes not last to haul-out time...they are not very large. Several years ago I started hanging a larger zinc over the transom while at my home dock. I have had no issues since, the transom zinc does disappear, indicating that it is working. The other zincs are not used up as quickly.
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post #22 of 23 Old 10-31-2018
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Re: thread lock for prop zinc?

Sllnging a zinc over the transom , for best results,,should be wired(bonded to system ) ground including shaft brush is it's isolated
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post #23 of 23 Old 10-31-2018
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Re: thread lock for prop zinc?

Thanks Capt Len,

Of course you are right. The zinc is bolted to a stainless steel wire. The wire hangs on a stainless eye bolt on the transom. Inside the boat, a stainless wire connects the eye bolt to the motor block. The motor block is bolted to the saildrive. I periodically check the circuit with a test light.
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