Members rickoshea Posted October 25, 2011 Members Share Posted October 25, 2011 seeing as there are a few of us building gits here I thought I'd ask FK this question on the forum, maybe it'll help some of us so FK ... KTM9. I want to try this stuff on my next finish. Can you give me/us any tips, advice, pointers for using it?. I have a wee compressor but the output isn't adjustable, is that a problem? ... I'll also need gun of some sort, preferably not of the kind to top myself with when I make a cock up of using the stuff Is the process reasonably straightforward as well to someone who has never sprayed a finish, or sprayed anything before except flies and wasps? Thanks for any advice Link to comment Share on other sites More sharing options...
Members Freeman Keller Posted October 25, 2011 Members Share Posted October 25, 2011 Happy to try to help, Rick, but first the disclaimer. I am very much a beginner at finishing, along with everything else. I've learned how to do this by reading, experimenting, making some mistakes and sanding them off, and trying again. I have used several products available to home builders, but not all, but KTM-9 is my current favorite. Before I start, how about a brief primer on finishes (no pun intended) An acoustic guitar finish needs to do several different things, some of them kind of conflicting. First and most important, it protects the wood from all the ravishes of daily wear. It should be pretty and show of the beauty of the wood. It needs to look good itself (or should I say, not look bad). Relatively thin is desirable Link to comment Share on other sites More sharing options...
Members rickoshea Posted October 26, 2011 Author Members Share Posted October 26, 2011 fantastic info FK thanks ... and hell, that figure on the b&s of the reso is stunning. You say 45 psi ... is that adjustable on the gun or on your compressor? I dont have a tank compressor, just a wee sorta "desktop" affair that I use for removing the dust when I'm working. Actually -is it the regulator that does the emmm "regulation" of pressure?(duh lol) I think I'd also need a water filter as I'm sure I can see some moisture escaping when I use mine. Or I could just buy this : http://www.axminster.co.uk/apollo-apollo-spraymaster-1200-2s-prod792035/ ... and I love the idea for the spray booth, I was racking my brains on how I could do something like that and that'll work nicely so you spray one coat and then leave it till it gets "tacky" then the second etc, then sanding down to 320 every 3? Plus ... do you let the git "spin" as you spray or methodically do the front, then side, then back etc? ... all pretty frigging dumb questions I know Link to comment Share on other sites More sharing options...
Members Grant Harding Posted October 26, 2011 Members Share Posted October 26, 2011 I'm also a KTM-9 fan, but I've only used it for couple of maple electric necks so far. It's very nice to use and buffs out very easily. I used a gravity feed spray system and followed the instructions carefully. No sweat. Link to comment Share on other sites More sharing options...
Members Grant Harding Posted October 26, 2011 Members Share Posted October 26, 2011 You're going to need a bigger compressor I think. The one I got is a big sucker and has a gauge and adjustment thingies... Link to comment Share on other sites More sharing options...
Members garthman Posted October 26, 2011 Members Share Posted October 26, 2011 Vot is dis KTM9? Link to comment Share on other sites More sharing options...
Members Freeman Keller Posted October 26, 2011 Members Share Posted October 26, 2011 Vot is dis KTM9? KTM is a manufacture of finishing materials, the 9 is their water based wood finish. They also make a spar varnish (like is used on sailboat spars) called KTM-S that some people use on guitars. There are other water based lacquer like finishes, this is just the one that I am most familiar with. http://www.lmii.com/CartTwo/thirdproducts.asp?CategoryName=Finishes&NameProdHeader=KTM+Product+Line+%96+Water+based+Finish http://www.lmii.com/CartTwo/KTM.htm http://www.doolinguitars.com/waterborne/instructions.html Link to comment Share on other sites More sharing options...
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