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Old 20-07-2018, 11:09   #16
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Location: Kona, Hawaii, Carlsbad, CA
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Re: To chrome or to powder coat??

Another. Ore for POR15. An extremely hard surfaced pawing that is very corrosion resistant and sticks to rust. If you go with it I’d leave the parts out in the rain for a week then treat with their cleaner prep spray before painting. POR15 actually sticks best to Lightly rusted surfaces.

Galvanizing would be best it will probably be pricey to do a few small parts. Also not good for anything that has tight tolerances as deposited zinc adds to dimensions. May have to ream out rudder fitting after hot dipping.

Peter O.
'Ae'a, Pearson 35
American Pie, Sabre 28
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Old 20-07-2018, 14:23   #17
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Re: To chrome or to powder coat??

It looks as though it is already cadmium plated, which is a sacrificial coating like zinc galvanising and apparently in some cases better.

Personally I would just give it a helping hand by keeping it coated in silicone grease or some such.

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Old 20-07-2018, 14:44   #18
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Re: To chrome or to powder coat??

I personally wouldn’t bother with regalvanizing etc. I would take off the parts and bring them to a good workshop/welder. I’m sure mine would be able to copy them in stainless for a very reasonable price.
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Old 21-07-2018, 22:26   #19
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Re: To chrome or to powder coat??

I'm not an expert on coatings, but I'm thinking the finish on the part in the photo just may be something a little more exotic than cadmium. Why don't you contact the manufacturer & ask what the finish is before you start re-engineering it? If it is plain old cadmium, then ask the manufacturer what they would advise as you are changing the specs of their product which may affect it in other ways unbeknown to yourself. If they are not concerned with changes to their product, then do whatever makes you feel good. I myself would opt for bronze were I to make any such drastic changes.

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