Partscaster project: Updates / photos / advice

[NippleWrestler]

Do the cover by itself.

[robthemac]

Do the cover by itself.

Yep, that's what I decided. Cheers!

[Bg]

And don't forget once you have sprayed your primer - you have more sanding to do

[robthemac]

And don't forget once you have sprayed your primer - you have more sanding to do

Oh I'm certain about that. A few droplets and a bit of running on my first effort. Spraying the cutaways is hard!

[Bg]

as is sanding cutaways...

[robthemac]

There was a combination of too much paint...

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Not enough paint...

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And occasionally about the right amount for a first coat.

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[robthemac]

How long do I have to wait before I sand and the do another coat of primer? Would 4 hours be enough?

[GrantB]

How long do I have to wait before I sand and the do another coat of primer? Would 4 hours be enough?

Depends what the paint is. I would leave that coat to go real hard...couple of days. That will also allow the over-run to harden properly. For big drips I will often scrape them flat with a super sharp flat scraper like the Stanley triangle/parallelogram blade.

So, what I'm seeing here is those grain lines should have been dealt with the grain filler. You may find yourself in a continuous loop of spraying and sanding to get them out...that's cool if you don't mind doing that...but, if it were me I would look to block sand it back, remembering where you had grain showing apply another grain fill. Then block that back after it's super hard and dry. Then cover the whole thing again. If you don't know what the base coats are in terms of compatibility between fill and paint, then apply shellac in between.

Otherwise, looking sweet! Great body design....love it!

[robthemac]

Thanks, Grant! Will for another round of grain filler. I suspect those areas that are still showing grain are the ones the I filled, then promptly sanded below to the layer of unfilled grain underneath.

[robthemac]

Followed Grant's advice with another coat of grain filler and some assertive sanding. Much better result!

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Second fuck-up might need some advice to get sorted.

I sprayed a first thin coat of nitro this afternoon in the garage. Tied up the guitar to a frame on the roof to spray around eye level. All went well, until the string I used to tie it up with snapped. Thank God I had a bit of carpet below to soften the landing!

It landed flush on the bottom edge and I managed to catch it on the first bounce. Theres now a fair bit of fluff and grit on the bottom. I decided not to pick it out while the lacquer was wet. My plan is to let it dry for 24 hours, then try and pick out what I can, sand out the rest. Any other suggestions?

[Michael]

leave it there for character

[MikeC]

Hair on your bottom...

[Jay]

What safety gear are you using when spraying? Any air circulation in your garage?

[robthemac]

What safety gear are you using when spraying? Any air circulation in your garage?

It's a big double garage and I leave both doors open slightly with a few barriers to prevent dust movement. There's also a workshop at one end with an open window. I have a big fan running that pushes the spray away from me and the guitar. I bought a respirator mask with P95 filters. I check the seal thoroughly each time I enter the room.

[Slowy]

Spray on, sand off. Eventually, you'll get it right.

Eventually.