opabinia: Herrenvolk (S04 E01) tag line (wrenching)
[personal profile] opabinia
Anyone have access to a sandblaster? I need to strip paint off a bike frame. Dimensions are as follows:



<41" in any direction



<24" bottom to seatpost

(The pedals, cranks, and rings will come off before blasting.)

Date: 2007-11-15 04:44 am (UTC)
From: [identity profile] tygerwillow.livejournal.com
we have some at school. don't know if they're big enough to fit a bike frame though. how long is it?

Date: 2007-11-15 05:15 am (UTC)
From: [identity profile] lepidosiren.livejournal.com
Oo!

how long is it?

Check out the edit. Is the frame small enough?
Edited Date: 2007-11-15 05:16 am (UTC)

HOORAY

Date: 2007-11-15 05:57 pm (UTC)
From: [identity profile] lepidosiren.livejournal.com
Let's make a deal.

Date: 2007-11-15 12:42 pm (UTC)
From: [identity profile] bottleimp.livejournal.com
Interesting. Why does it require blasting before repainting?
Also, are you going to repaint it yourself, or are they usually done with some kind of pro lacquer or hi-speed baked-on epoxy?

Never having done a bike project, I am curious (blue).

Date: 2007-11-15 05:30 pm (UTC)
From: [identity profile] lepidosiren.livejournal.com
The original color is kinda intense, and it carried many tenacious decals. I just want to get all that clearcoat, teal, and glue off. No idea if it's really necessary. Don't know a thing about bike painting, either. I plan to rattle-can it with taxicab-yellow Rust-Oleum or something.

Date: 2007-11-15 07:33 pm (UTC)
From: [identity profile] lepidosiren.livejournal.com
Oh, I forgot to mention that there's a bit of rust here and there, which the blasting would reduce or eliminate.

Date: 2007-11-15 09:12 pm (UTC)
From: [identity profile] mesatchornug.livejournal.com
this will work. it's the general way people do it. officially, they use an enamel based paint that they cook, not unlike automotive paint. only tougher.

some go all out, and have them powdercoated.

i had mine painted by my brother at the autobody he used to work for.

hey, you have a shop working on a car, yes? you could perhaps have a matching bike...

Date: 2007-11-15 01:17 pm (UTC)
From: [identity profile] wisheyeveiw.livejournal.com
go to hardware store. buy a can of paint stripper ( theres a nice gold can witht he words stripper down the side, shit you not) also get a wire brush attachment for a drill. thats pretty much all you need. well, safety goggles and big ass gloves, that stripper shit burns when you get it on you, and uh, cuases cancer and shit.


issat a gt frame? whats up witht eh one piece cranks?

Date: 2007-11-15 05:19 pm (UTC)
From: [identity profile] lepidosiren.livejournal.com
Hey, I'd been wondering if I could just strip it chemically -- thanks. Maybe the ideal thing would be to get it blasted in a cabinet and then use stripper on the hard-to-reach bits.

The bike was a curbside trash rescue. It was a cheap, heinously ugly Huffy that weighed about nine tons. I just like the shape of the frame, and the price was right. The cranks came with the bike, and will be discarded or donated.

Date: 2007-11-17 05:41 am (UTC)
From: [identity profile] lepidosiren.livejournal.com
a cheap, heinously ugly Huffy

Murray, not Huffy. Decals said MURRAY BAJA. Not this one (http://www.firstflightbikes.com/1981_Murray_Baja.htm), though. It could be a later version.

a recommendation

Date: 2007-11-15 05:27 pm (UTC)
From: [identity profile] mesatchornug.livejournal.com
assuming that's an ashtabula 1 piece crank - Ditch it. Learn from my main mistake on the last fixed, and put in one of these instead

having broken the crank while riding, i'll tell you right now, anything that lets you put a standard BB, with matched cranks in the bike is worth the money.

Re: a recommendation

Date: 2007-11-15 05:35 pm (UTC)
From: [identity profile] lepidosiren.livejournal.com
Thanks! Definitely adding that to the plans.

Re: a recommendation

Date: 2007-11-15 05:57 pm (UTC)
From: [identity profile] mesatchornug.livejournal.com
also - measure the headset inside and out, and the diameter of the seatpost.

you might need to keep one or both of these, as sometimes cheaper frames like this use obscure part sizes that are becoming more and more rare as they age.

Re: a recommendation

Date: 2007-11-15 06:03 pm (UTC)
From: [identity profile] lepidosiren.livejournal.com
Good point. I kept all that stuff for size reference. :)

Re: a recommendation

Date: 2007-11-16 02:49 pm (UTC)
From: [identity profile] mesatchornug.livejournal.com
just remembered, as low tech as it sounds - the best way to get the BB and headset cups out of the frame, before you paint it, is with a pipe and a hammer. just slide the pipe in from the side opposite the cup you want out, and rest it on the inner lip. tap it a few times and move the pipe around the lip until it comes free. it's pretty quick and easy.

putting them back in on the other hand...

Date: 2007-11-20 02:19 pm (UTC)
From: [identity profile] jhimm.livejournal.com
i'm curious where you found this frame
and what you paid for it.
i'll be coming into some money over the next 8 weeks
and def. want to spend the winter getting a bike built
so that i have it as soon as the weather clears.

i -don't- want to be the hipster schmuck
who buys an expensive track bike
and then strips it for street use,
but i also want something safe, clean, and fairly maintenance free.
so,
refurbing used parts seems like a good start,
esp. for basics like a frame.

Date: 2007-11-20 03:28 pm (UTC)
From: [identity profile] lepidosiren.livejournal.com
The bike had been discarded by a neighbor, so it cost zero dollars. This time of year, maybe Craigslist is your best bet.

Date: 2007-11-20 03:30 pm (UTC)
From: [identity profile] jhimm.livejournal.com
tnx.

there are professional dumpster divers in my neighborhood
who need the revnue,
so i'll look for something i can buy :)

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