For those who have a copy of Zeke Smith's "Understanding Aircraft Composite Construction" he descibes this process on page 9-23.
For those that don't have the book he suggested adding about 5% isopropyl alchohol to a dry micro mix. The combination dries quickly. That problem was solved by keeping a spray bottle of rubbing alcohol nearby and wetting the surface during the application of the micro. Makes a light pumice like material that sands out very nicely. Denny ... Jim Morehead <kr...@d-web.com> wrote: Larry and Netters, Are you using straight isopropyl alcohol or rubbing alcohol which is 91% alcohol and 9 % water? Jim Morehead Cameron Park, CA Just made reservations for Mt. Vernon, IL. See you there. on 3/12/04 3:48 PM, larry severson at lar...@socal.rr.com wrote: > A couple months ago, information was published on how to get smooth wings. > He said that you should make dry micro ( dry enough to stand up - not > slump) and apply it all over to a depth of 1/8-1/4 inches and then sand it > down to level, removing all of the depressions. That was well and good, > except I was unable to get it to lay down. all I got was a mess. Yesterday, > I found out what was left out in the information - isopropyl alcohol > (rubbing alcohol). After you get that super dry micro mixed, add the > alcohol slowly until you get the consistency that you need for your > application (runny for thin, soupy for thicker). During the cure, the > alcohol will evaporate leaving just what you want, a firm sandable micro > surface that is extremely light and doesn't shrink like Bondo. Made and > applied it yesterday; sanded it today - WOW! > > Larry Severson > Fountain Valley, CA 92708 > (714) 968-9852 > lar...@socal.rr.com > > > _______________________________________ > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html _______________________________________ to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net please see other KRnet info at http://www.krnet.org/info.html Do you Yahoo!? Yahoo! Mail - More reliable, more storage, less spam
