Steve W-O Posted December 20, 2011 Share Posted December 20, 2011 Cutting out ribs must be one of the biggest justifications for my B. Proc. degree Printed out the ribs for the Linnet,stuck them onto the 1/16 sheet, and instead of using a knife, cut them out with scissors. Much quicker and easier! Very slight "crushing", but hardly noticeable and will be covered with capping strips anyway. Quote Link to comment Share on other sites More sharing options...
Bob Cotsford Posted December 20, 2011 Share Posted December 20, 2011 It can't be any worse than the old style 'die cut' kit parts. I often use scissors to cut ply up to 1/16 or thin aluminium, though it doesn't do the kitchen scissors much good! Shhhhh Quote Link to comment Share on other sites More sharing options...
Olly P Posted December 20, 2011 Share Posted December 20, 2011 Must try that on the "Queen" if I get round to building her..... Especially as I'm thinking of makig the 1/8" ribs by laminating 2 pieces of 1/16" together. Save's spending money.... Mental note - don't use SWMBO's Sewing Scissors, or they'll be used on me....when blunt.Edited By Olly P on 20/12/2011 14:41:53 Quote Link to comment Share on other sites More sharing options...
Former Member Posted December 20, 2011 Share Posted December 20, 2011 [This posting has been removed] Quote Link to comment Share on other sites More sharing options...
BB Posted December 20, 2011 Share Posted December 20, 2011 Don't forget, if you don't like the crush ! Slightly 'over cut', out side the line. Then sand down to the line. BB Quote Link to comment Share on other sites More sharing options...
Myron Beaumont Posted December 20, 2011 Share Posted December 20, 2011 If you are capable of holding the blade (a sharp one of course )at right angles to the wood and travelling the right way with the grain of the piece so that it doesn't drift off course then I don't see why you should use scissors .Do you use garden shears for cutting plywood I wonder ? Myron YO13 proper engineering dept Quote Link to comment Share on other sites More sharing options...
Steve W-O Posted December 20, 2011 Author Share Posted December 20, 2011 Posted by Myron Beaumont on 20/12/2011 16:53:32:If you are capable of holding the blade (a sharp one of course )at right angles to the wood and travelling the right way with the grain of the piece so that it doesn't drift off course then I don't see why you should use scissors .Do you use garden shears for cutting plywood I wonder ? Myron YO13 proper engineering dept Garden shears? No, don't be silly, I use a 200cc petrol angle grinder for the fine cuts, and a 4' chain saw for roughing out, much more effective. Quote Link to comment Share on other sites More sharing options...
Steve W-O Posted December 20, 2011 Author Share Posted December 20, 2011 Forgot to add, I follow proper engineers procedure, measure with a micrometer, mark it with chalk, and cut it with.................well the chain saw and angle grinder of course, have to copy the engineers! Quote Link to comment Share on other sites More sharing options...
Martin Harris - Moderator Posted December 20, 2011 Share Posted December 20, 2011 I was taught to make scarf joints on ply skin repairs on full sized wooden gliders with a 5 inch angle grinder (admittedly with an abrasive sheet disc rather than a grinding disc) so you're not that far off the mark. A mitre saw with whopping great carbide teeth cuts balsa beautifully athough I haven't tried it on smaller than 1/4 sheet. Edited By Martin Harris on 20/12/2011 17:36:04 Quote Link to comment Share on other sites More sharing options...
Steve W-O Posted December 20, 2011 Author Share Posted December 20, 2011 Posted by Martin Harris on 20/12/2011 17:31:41: I was taught to make scarf joints on ply skin repairs on full sized wooden gliders with a 5 inch angle grinder (admittedly with an abrasive sheet disc rather than a grinding disc) so you're not that far off the mark. A mitre saw with whopping great carbide teeth cuts balsa beautifully athough I haven't tried it on smaller than 1/4 sheet. Edited By Martin Harris on 20/12/2011 17:36:04 When I was building a KR2, I made the scarf joints with a circular sander, and lapped them in with G100 glued back to back. I haven't tried a cut off saw on balsa, interesting idea Quote Link to comment Share on other sites More sharing options...
Myron Beaumont Posted December 20, 2011 Share Posted December 20, 2011 If what you're talking about is a "chop saw" then laminate your balsa of any thickness with scrap wood either side to cut it -Simples Quote Link to comment Share on other sites More sharing options...
BB Posted December 20, 2011 Share Posted December 20, 2011 Posted by Steve W-O on 20/12/2011 17:18:38:Forgot to add, I follow proper engineers procedure, measure with a micrometer, mark it with chalk, and cut it with.................well the chain saw and angle grinder of course, have to copy the engineers! What you don't use a bread knife - coward ! BB Quote Link to comment Share on other sites More sharing options...
Steve W-O Posted December 20, 2011 Author Share Posted December 20, 2011 Posted by BB on 20/12/2011 18:49:29:Posted by Steve W-O on 20/12/2011 17:18:38:Forgot to add, I follow proper engineers procedure, measure with a micrometer, mark it with chalk, and cut it with.................well the chain saw and angle grinder of course, have to copy the engineers! What you don't use a bread knife - coward ! BB I wouldn't say so on a public forum, I will have the Balsa Welfare knocking on my door, quoting a whole lot of H&E regs and balsa abuse regs, threatening to lock me up and take my balsa into care. Quote Link to comment Share on other sites More sharing options...
Olly P Posted December 21, 2011 Share Posted December 21, 2011 Yes Steve - I'll be round shortly to take your Balsa away for 'safe-keeping' Quote Link to comment Share on other sites More sharing options...
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