Topic: Mercury aluminum prop – Page 2 – Antique Outboard Motor Club,Inc

This topic has 18 replies, 12 voices, and was last updated 6 years, 7 months ago by fisherman6.

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September 24, 2017 at 3:29 am #65298
wedgie
Participant
If you have access to a sand blast cabinet, a quick once over will give the aluminum a nice profile for the primer/paint to grab hold of.

The blast cabinet I have access to at work is a pretty powerful one, so I take care not to linger in any one spot.The heat generated could warp the blades and/or thin them out along the edges.

Once blasted, I coat with epoxy primer and a urethane top coat. you are unlikely to have these coatings on hand so just use an etching primer with a rattle can for finish, then touch it up whenever it looks in need.
September 24, 2017 at 4:33 pm #65320
captchuck
Participant
Never heard the word ‘penurious’ before. Not to hijack this post but what does it mean? When I tried looking it up the definition I got did not fit your sentence. Being an old man I must have missed it in school some 50 years ago.
September 24, 2017 at 5:54 pm #65327
wedgie
Participant
quote CaptChuck:

Never heard the word ‘penurious’ before. Not to hijack this post but what does it mean? When I tried looking it up the definition I got did not fit your sentence. Being an old man I must have missed it in school some 50 years ago.

probably an auto correct error 😉
September 24, 2017 at 6:35 pm #65329
garry-in-michigan
Participant
Lifetime Member
This is what I found – – – 😕
September 24, 2017 at 8:45 pm #65335
wedgie
Participant
I’m guessing Tubs meant to type "porous"
September 24, 2017 at 10:56 pm #65338
The Boat House
Participant
Nope, I’m penurious.
Its why my hobby is antique outboards.
There all I can afford. 😉
September 25, 2017 at 4:00 pm #65359
fisherman6
Participant
US Member - 2 Years
Here is a Michigan PJ-18 I polished up. It was really crusty and pretty beat up when I got the prop. I sanded with my orbital palm sander and 120 grit, hand sanded with 220 grit, and hand polished with White Diamond. It will get dull after running it a bit, and you do have to keep up on it to keep it shiny. It does look nice when it’s polished though.
-Ben

OldJohnnyRude on YouTube
September 25, 2017 at 4:08 pm #65360
dave-bernard
Participant
US Member
Looks good But I would use a washer under the nut before you loose it.
September 25, 2017 at 4:27 pm #65361
fisherman6
Participant
US Member - 2 Years
Ya, that’s a good idea Dave. It can’t go anywhere unless the hub let’s go, but if that happened it could possibly slip off there in reverse or slowing down. I usually use the regular cone type prop nuts which eliminates that problem.
-Ben

OldJohnnyRude on YouTube
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