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I am starting a project with my Rocky mountain Vertex 50 RSL. I am stripping down the VERY THICK white paint and will either clear coat it or paint it matte black.
I am not telling you guys the parts that will come over later. Keeping a bit of excitement!
Frame weight, size M, with paint, der hanger: 1364g
photo 1 (2) par devincification, sur Flickr
I am still in the stripping phase and I badly need help with this. I have used carbolift and it doesnt show the results I was hoping for. Here are the steps I followed:
1-Room kept at 25-26C
2-sanding down the part of the frame with 120 grit, also tried 100 grit.
3-Applying carbolift, thin coat, let act 30 min, then applied a thick coat, covered in cling wrap and let act for 12 hours.
4-Removed the wrap and scraped with a plastic paint scraper.
The carbolift has removed a part of the paint but I still have some huge work to do.
Here you can see the DS chainstay, I have done 3 cycles of carbolift on it and there is a thin layer of paint that wont even move.
photo 1 par devincification, sur Flickr
Here is the NDS chainstay, done 1 cycle of carbolift on it
photo 2 par devincification, sur Flickr
What I would need is some advice on how to sand down the remaining paint without damaging the carbon. What kind of sand paper, what grit size, what technique.
Thanks! Stay tuned for some updates!
hope the advice is of some use and good luck
I definitly cant feel the carbon. I guess I should try to find some fine grit. The finest I can find right now is wet 600. Wonder if its fine enough.
I am letting the paint harden up for a whole day after carbolift has soften it. I will give another cycle of carbolift tomorrow on the rear triangle and will give a first try on the seat tube. Will update with pictures tomorrow!
I gave a good shot of carbolift yesterday on the seat tube and it didnt do much, it definitly wont remove the primer under the paint. I have to scrape it and sand it down. The junctions are a real PITA as well as the drop outs sections.
I posted a photo of the scratches it makes when I sand. I use 320 wet and its stupid long to sand down anything. Are those scratches dangerous? They are superficial, looks like there is a kind of clear over the carbon, under the primer. Should I remove the scratches with a fine grit sand paper?
I plan on painting the whole frame black or matte black, I dont think the scratches would show?
Rear triangle in progress
rear triangle in process par devincification, sur Flickr
seat tube scratches
seattube sratches par devincification, sur Flickr
frame now weights 1323g
I'd really appreciate if someone could point out if the tiny scratches are a problem? I just want to make sure I am not ruining everything
Btw last carbolift cycle was done in very favourable conditions, too bad it really doesnt work as its supposed to.
some more sanding done. The junctions are housing/hose guide are a real pain, dont know how I will sand them precisely. Maybe I will leave a bit of pain here and there near the junctions since I will paint it black.
Tonight I will carbolift the bottle cage hole, front derailleur area and hose guide as well as the BB junction and seatstay to seat tube junction area.
There is about 5 hours of wet sanding done up to date
I also have received a few parts last week, NOT telling you what just now
DS rear triangle
5 hours sanding DS rear triangle par devincification, sur Flickr
NDS rear triangle
5 hours sanding, NDS rear triangle par devincification, sur Flickr
5 hours sanding, rear view par devincification, sur Flickr
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