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Refinishing foils |
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Riv 
Far too distracted from work 
Joined: 23 Nov 13 Location: South Devon Online Status: Offline Posts: 353 |
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 Topic: Refinishing foilsPosted: 08 Nov 17 at 7:06pm |
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Aluminium foils for the Laser must be a business opp for somebody. Rooster??? I've got 4 club Lasers that are all bleeding rust and would love some easy to maintain aluminium ones.
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RS400atC
Really should get out more 
Joined: 04 Dec 08 Online Status: Offline Posts: 3011 |
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Posted: 07 Nov 17 at 7:30pm |
They'd corrode if you kept them in a Laser foilbag.Designed to keep your foils wet forever. No wonder the wires rust in the old ones and the gelcoat peels of the new ones. |
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Riv
Far too distracted from work
Joined: 23 Nov 13 Location: South Devon Online Status: Offline Posts: 353 |
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Posted: 07 Nov 17 at 3:43pm |
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What I want is some aluminium foils like the Feva has for my laser. Would work fine
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jeffers
Really should get out more
Joined: 29 Mar 04 Location: United Kingdom Online Status: Offline Posts: 3048 |
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Posted: 07 Nov 17 at 2:25pm |
Except due to the quirks of the Laser class you can only use wooden foils on a boat that was originally supplied with wooden foils. You can use the latest foils too should you desire but if you boat didnt come with wooden foils from the builder it aint allowed....
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Paul
---------------------- D-Zero GBR 74 |
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423zero
Really should get out more
Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420 |
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Posted: 07 Nov 17 at 7:31am |
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When the steel corrodes it causes pressure, presumably from taking up oxygen, have a look what rebar does to concrete, no surprise it can cause damage to plastic.
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Daniel Holman
Really should get out more
Joined: 17 Nov 08 Online Status: Offline Posts: 997 |
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Posted: 06 Nov 17 at 10:43pm |
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If rust is returning then the coating is breaking down. Think there are special products for preparing and priming steel, but how reconcilable with finishing laser foils they are is debatable. dare say dry sanding and clean down with correct thinners, then good primer should be ok. Wet sanding one day and painting next probs is enough to allow corrosion
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PeterG
Really should get out more
Joined: 12 Jan 08 Location: United Kingdom Online Status: Offline Posts: 822 |
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Posted: 06 Nov 17 at 10:22pm |
If it's just rust staining, which is usually is then ignore it
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Peter
Ex Cont 707 Ex Laser 189635 DY 59 |
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Rupert
Really should get out more
Joined: 11 Aug 04 Location: Whitefriars sc Online Status: Offline Posts: 8956 |
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Posted: 06 Nov 17 at 9:03pm |
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Find one of the original wooden sets of foils. Problem solved!
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Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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Riv
Far too distracted from work
Joined: 23 Nov 13 Location: South Devon Online Status: Offline Posts: 353 |
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Posted: 06 Nov 17 at 7:25pm |
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My Laser foils are showing the reinforcing rods bleeding through, did rub it all down well and use car primer and 5 top coats, but the rust always seems to come back. Any ideas?
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RS400atC
Really should get out more
Joined: 04 Dec 08 Online Status: Offline Posts: 3011 |
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Posted: 06 Nov 17 at 8:06am |
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The GRP one, I'd fill the gelcoat with more gelcoat. Wet sand through the grades down to 2000 then Farecla to make it shiny.
The wooden one I'd fill with epoxy, coating any bare bits , then sand to perhaps 400 grit. Then paint it. When the paint is inevitably imperfect, let it harden some where warm for a while then wet sand and polish as above. A hard paint like international 2 pack is one option. |
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