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Old 05-30-16, 12:58 PM   #1
Barchettaman
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Looking for a ´ratbike´ build inspiration - ideas and pictures welcome!

Hi chaps,

I´m thinking of doing an STI/modern component conversion for my next build, but going with a slightly different frame aesthetic!

Basically I´m thinking about stripping the paint off, letting it accrue a light surface rust, sealing that in with some rattle-can clearcoat and then hanging shiny modern stuff on it.

This is the kind of look I´m thinking about:



I´d welcome any ideas, thoughts, links to similar projects, that kind of stuff. Thanks in advance!

By the way I won´t be doing this to a ´nice´ frame, I´ll make sure the donor bike is pretty beaten up already!!
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Old 05-30-16, 01:02 PM   #2
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google rust mixtures, theres a few ways to make it up with common household items. I did it once on a rat cruiser. You can have a nice rich rusty patina in minutes.
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Old 05-30-16, 01:04 PM   #3
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OK, cool, l´ll have a look at that!
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Old 05-30-16, 01:58 PM   #4
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If you have it rust and then clear it. Doesn't it just keep rusting since it already started?
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Old 05-30-16, 02:11 PM   #5
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With no oxygen it shouldn't rust any more. However the rust itself won't provide as stable a base as fully sanded metal. Should be fine for a while though.
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Old 05-31-16, 06:47 AM   #6
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I'm working on this.


Currently added these bars and a vintage quadrant shifter. Need to update the photo

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Old 05-31-16, 06:18 PM   #7
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I believe you can get paint that looks like rust, or maybe it's powder coat, that I've seen on the latest 4-wheeled, motorized rat rods.
That's what I'm thinking of doing on my somewhat recently powder coated CILO that is starting to rust on the bottom of the top tube, where evidently my sweat must have accumulated without my awareness.



Unfortunately I just noticed the same syndrome on my beautiful 76 Raleigh GS, so I will have to become diligent about wiping down my bikes after rides in the summer.

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Old 05-31-16, 06:30 PM   #8
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Some pricey inspiration here: My Rusty n Dusty Rat Rod Titanium Firefly Disc All Road | The Radavist

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Old 05-31-16, 06:56 PM   #9
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You might do well looking for ideas among the Steampunk crowd

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Old 05-31-16, 08:29 PM   #10
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Back in the day "rat bike" described a motorcycle stripped down to bare bones controls. The traditional paint coating was always "wrinkle finish" black.
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Old 05-31-16, 11:09 PM   #11
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Well, you could blue the steel, then clear coat it.
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Old 05-31-16, 11:20 PM   #12
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Back in the day "rat bike" described a motorcycle stripped down to bare bones controls. The traditional paint coating was always "wrinkle finish" black.
Wrinkle black sounds like a better idea.

I recall a people trying the clear coated bare steel frame thing. It's really not enough to keep it from rusting further, and the bikes ended up getting painted out of necessity.

More than likely you could achieve that rat rod look other ways, like red oxide primer, wrinkle black, etc.
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Old 05-31-16, 11:26 PM   #13
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Wrinkle Finish Black is still available from a few mfgs. It's something you can find in auto part stores. In spray cans of course. It's nasty stuff. Made for undercoating & exhaust systems. Be good. Have fun.
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Old 06-01-16, 12:01 AM   #14
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No difference between clear goat and paint. It seals the same. I'd strip it, polish it with a semi-coarse wire brush and clear it.
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Old 06-01-16, 10:14 AM   #15
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No difference between clear goat and paint. It seals the same. I'd strip it, polish it with a semi-coarse wire brush and clear it.
lot of difference in complete paint job in terms of anti-rust and seal.

a proper job starts with no rust, then acid etch primer, then primer, then multiple coats of color and multiple coats of clear.

just clear will not be as durable, but if you do it go to an auto paint shop and get the cans of catalyzed clear, that will be better than simple rattle can clear. (wear a good mask)

but as this is a rat rod, go for it and monitor the to see what happens with the rust

I recall seeing comments that clear powder, while a good seal, doesn't stop the rust.

another option is look for a frame with a lot of use, patina and just go with that.....I did that with my torpado
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Old 06-01-16, 12:13 PM   #16
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Old 06-01-16, 12:51 PM   #17
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Breaking the rules should be your inspiration. I love riding this.
(edit: Its Austrian too!)

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Old 06-01-16, 12:53 PM   #18
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Wrinkle and matte black belong to the "murder' genre stuff. Rats should be bare metal rusted, or worn out paint IMO.

You can oil a frame and if it gets wet, dry if off and hit it with wd40. It will out live you, even it it rusts a little.

This frame was done more than 5 years ago and looks the same today as it did then.

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