FireFly Posted June 6, 2013 Report Share Posted June 6, 2013 Beautiful! Quote Link to comment Share on other sites More sharing options...
maull Posted June 6, 2013 Report Share Posted June 6, 2013 Stunning. GOTM candidate for sure. Quote Link to comment Share on other sites More sharing options...
psikoT Posted June 6, 2013 Author Report Share Posted June 6, 2013 Whoa this looks killer! How did you manage to get such an even surface with the brushed-on nitro? Just sanding with a hard block? What grits did you go through? Care to share the process? Sure, I'll try to explain... that's really a sanding job. It takes several days to complete due to the crappy surface the brush usually gives... anyway, the procedure was: - 6 coats of grain filler. I usually don't use grain filler if working with mahogany, sapelle or alder, but ash and wenge have very deep pores, so this time it was needed. Sanding with 120 grit between coats. - Once all pores are covered, I start applying the nitro. Four coats in total, keeping drying each coat about 4/5 days. No sanding between coats, but it's very important you 'cross' the brush at every coat. I.e. you paint the first coat from north to south, the second from east to west, next from N to S and so on... sorry, I haven't a better way to explain this, hope you understand. - Once you have all coats of nitro, let dry about 2/3 days and start to wet sanding. I know this is not very orthodox, but I only use one grit, 240 in this case. The reason is because I need a 'hard' grit to eliminate all brush marks, but it turns smoother while using it, so I really don't need smoother sanding papers... instead of that, I use a wet scotch brite as last grit, just before polishing. - And the final polish is the common procedure, first with car polish and next with wax. That's all. I must say nitro is very shiny and grateful, I couldn't get that surface with polyurethane. Thanks everybody for comments, glad you all like it. I'll have a try at GOTM this month, just in case... cheers! Quote Link to comment Share on other sites More sharing options...
pan_kara Posted June 6, 2013 Report Share Posted June 6, 2013 Thanks psikoT. The cross-brushing, graing filling etc I think I more or less got myself, the secret here was the 240 girt I think. I started a lot higher. I think I was trying to sand with P320 between coats when brushing on nitro and then wetsanded with P600 or P800 onwards. Then the usual polish, wax etc - I ended up with mirror shine but the mirror was not "uniform", the reflection was distorted by the general "wavyness" of the surface I created. I'll try 240 next time I'm at the finishing stage (probably some time from now). Just to clarify: - you did 240 wet or dry? - what did you use for backing? Thanks again for sharing! And do enter in GOTM! Quote Link to comment Share on other sites More sharing options...
eddiewarlock Posted June 6, 2013 Report Share Posted June 6, 2013 Polyurethane is even glossier, well, automotive 2 part polyurethane, but you used to paint with wooden floors polyurethane, which i told you is damn hard, and you need special equipment to properly buff it. Nitro lacquer is easier to work with, but too fragile, prone to scratching, yellowing, shrinking, cracking and never really cures. Quote Link to comment Share on other sites More sharing options...
psikoT Posted June 6, 2013 Author Report Share Posted June 6, 2013 ust to clarify: - you did 240 wet or dry? - what did you use for backing? - 240 wet sanding... - what do you mean with backing? Polyurethane is even glossier, well, automotive 2 part polyurethane, but you used to paint with wooden floors polyurethane, which i told you is damn hard, and you need special equipment to properly buff it. Nitro lacquer is easier to work with, but too fragile, prone to scratching, yellowing, shrinking, cracking and never really cures. yes, you're right. Quote Link to comment Share on other sites More sharing options...
psikoT Posted June 6, 2013 Author Report Share Posted June 6, 2013 I ended up with mirror shine but the mirror was not "uniform", the reflection was distorted by the general "wavyness" of the surface I created. I had the same issue in the past, I think it is due to a non-uniform coat at brushing time, not related to sanding imho. Quote Link to comment Share on other sites More sharing options...
pan_kara Posted June 6, 2013 Report Share Posted June 6, 2013 ust to clarify: - you did 240 wet or dry? - what did you use for backing? - 240 wet sanding... - what do you mean with backing? I might have gotten the word wrong - I meant what you're using as the sanding "block" (backing I guess is cloth/paper etc, ) Quote Link to comment Share on other sites More sharing options...
psikoT Posted June 6, 2013 Author Report Share Posted June 6, 2013 ah ok, I only use my fingers... XD Quote Link to comment Share on other sites More sharing options...
eddiewarlock Posted June 6, 2013 Report Share Posted June 6, 2013 get a rubber block when wet sanding. Well, it only works in flat surfaces, not on guitars with carved tops...or necks. Quote Link to comment Share on other sites More sharing options...
sdshirtman Posted June 6, 2013 Report Share Posted June 6, 2013 I just saw this arrive on the GOTM page. You sir are a beast. I love this and hats off to you for a beautiful guitar. I thought Searls Clancy Star was a shoe in for July but now that you've thrown this into the mix I'm going to have a problem voting. This build just oozes class. Did I mention I love this? Just wow. Quote Link to comment Share on other sites More sharing options...
psikoT Posted June 6, 2013 Author Report Share Posted June 6, 2013 Thanks for the kind words mate, glad you guys like this build. As for the GOTM, I'm pretty sure someone will upload another beauty, which will make your vote harder... XD Quote Link to comment Share on other sites More sharing options...
Prostheta Posted June 10, 2013 Report Share Posted June 10, 2013 It's going to be a hell of a fight this month. I'm not even sure if I will vote because it will always be wrong. Quote Link to comment Share on other sites More sharing options...
RestorationAD Posted June 14, 2013 Report Share Posted June 14, 2013 It's going to be a hell of a fight this month. I'm not even sure if I will vote because it will always be wrong.Not voting is wrong. You must vote. Every vote counts.Now do I have anything to enter? Quote Link to comment Share on other sites More sharing options...
Prostheta Posted June 14, 2013 Report Share Posted June 14, 2013 If my opinion is very divided then I hate to potentially take my vote out of the hands of the others I would vote for otherwise. I am an electoral nightmare, statistically anyway. Quote Link to comment Share on other sites More sharing options...
Sancho Marino Posted June 17, 2013 Report Share Posted June 17, 2013 psikoT - This is one of the most beautiful instruments of any kind that I have ever seen. Stunning job my man... Stunning Quote Link to comment Share on other sites More sharing options...
psikoT Posted June 17, 2013 Author Report Share Posted June 17, 2013 Thanks very much, Sancho... glad you like it. Quote Link to comment Share on other sites More sharing options...
psikoT Posted July 1, 2013 Author Report Share Posted July 1, 2013 So I finally won the GOTM with this entry... can't believe it. Thanks to all people, I'm very proud of sharing this project with you. Quote Link to comment Share on other sites More sharing options...
Prostheta Posted July 1, 2013 Report Share Posted July 1, 2013 It was a very well-deserved win and a very competitive month! A lot of very good entries. Quote Link to comment Share on other sites More sharing options...
eddiewarlock Posted July 1, 2013 Report Share Posted July 1, 2013 Congrats man, I have been here for almost 10 years. Never even been close to winning it. Quote Link to comment Share on other sites More sharing options...
demonx Posted July 5, 2013 Report Share Posted July 5, 2013 Congrats on the win. Well deserved Quote Link to comment Share on other sites More sharing options...
psikoT Posted July 5, 2013 Author Report Share Posted July 5, 2013 Danke! Quote Link to comment Share on other sites More sharing options...
psikoT Posted December 21, 2013 Author Report Share Posted December 21, 2013 Hi there, just want to share some pictures of this building. Hope you like them. Saludos! Quote Link to comment Share on other sites More sharing options...
Sancho Marino Posted December 22, 2013 Report Share Posted December 22, 2013 Yup... Still one of the coolest guitars I've ever seen Quote Link to comment Share on other sites More sharing options...
DariuszOliver Posted March 14, 2014 Report Share Posted March 14, 2014 Un poco tarde pero enhorabuena por los premios del mes y del ańo! La guitarra esta que flipas jaja. Me alegro que haya en Almeria gente dedicada a frikearse con esto Quote Link to comment Share on other sites More sharing options...
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