I will preface this by saying I have not tested any of these products myself. That being said, I use Boeshield T-9 in my woodshop to protect steel surfaces and it works pretty good but it is not made for marine environments. I found this article online (https://www.practical-sailor.com/boat-maintenance/paints/corrosion-protection-coating-test) of someone who did a test of the many different anti-corrosion sprays in salt water and found the best products to be CorrosionPro Lube, CRC Heavy Duty, and LPS-3. Looks like CRC Heavy Duty would be a good choice to try out. Let us know how it turns out. For any metal surfaces I would recommend using a rust primer and then painting.
On Mon, Sep 12, 2022 at 10:10 AM Ryan Sweet <ryan@ryansweet.org> wrote:
You need to paint those components with some kind of rust preventer.There are a few dozen products in this category, I don't know the ins and outs of the different brands but I just asked at a local marine store and took what they gave me. I sanded off the rust that was starting and did two coats and it's been happy since. You also want to put some kind of rust prevention grease on the chain-wrapped shaft coupling if you used that. Motorcycle chain grease has been recommended. I used some spare lithium grease I had.On Sep 12, 2022, at 06:08, Zeke Greenwald <zekebgaf@gmail.com> wrote:Mechanical engineer here, the black oxide coating on the cog needs a coat of oil to be effective. I would recommend disassembly, clean with naval jelly, and then coat with a rust inhibitor (recommend CRC-336) and reassemble.
Chris Greenwald
From: electricboats@groups.io <electricboats@groups.io> on behalf of Anton Sl-y <anton.slutsky@gmail.com>
Sent: Monday, September 12, 2022 7:00:17 AM
To: electricboats@groups.io <electricboats@groups.io>
Subject: [electricboats] Rust on pulley/belt Thunderstruck kitHello group!
Recently installed the 10kw Thunderstrucksailboat kit on my Cal-29. Everything works great but literally 3 days after installation got these massive rust deposits on the lower shaft pulley and belt.
Wondering if anyone might have some suggestions if I need to grease the pulley or spray it with anticorrosive?
The boat is in free water in a river. It's not the driest of boats but generally pretty dry. Not sure why the rust would kick in so soon?
TIA!Anton--
Best Regards,Anton Slutsky, Ph.D.
Sincerely,
James
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