Louver Punch

Adding detail Scale models often requires ingenious methods Heres ouver noted modeler solved tricky problem though no fly hydraulic press punch die After much thought wondered might possible use pillar drill drill press fly press Since going punching through thin litho plate seemed feasible solution next task make punch Steel would material used press tool industrial use using litho plate could get away aluminum Aluminum would much easier cut file shape did have some one-inch-diameter bar stock used saw cut rough louver shape followed Swiss files emery cloth quite pleased resulting shape problem building Alexander Bullet November 1995 Model Aviation chose model version fixed undercarriage no problems what about cowl panels behind five-cylinder Wright Whirlwind engine panels covered louvers exits cooling air problem could louvers IPhillip Kent would have almost impossible have managed it. reproduced model Perhaps could made individually attached cowl panels time did seem good idea since considerable number louvers making fitting would timeconsuming task decided way make panels model punch out louvers would practice making panels full-size aircraft panels contained louvers quite small expected able cut punch too much difficulty did have engineering problem eventually overcame small problem using 6mm drill pushed through slot used knocking out taper-shanked chuck fastened up against guard bracket strong rubber band Amazing what little improvisation can now punch would move up-and-down round-and-s round ready test run intended bolt base drill table thought would have go see everything worked first litho plate pushed up against guide punch brought smartly down onto Amazinga perfect louver unfortunately wrong way round making series louvers required Continued page 79 END&FRONTTURNED DOWN VIEWS OF PUNCHTO FIT CHUCK DRILL CHUCK PUNCH 1 DIA ALUMINUM EAR END VIEW FRONT VIEW after few minutes work decided test-punch some louvers using hard rubber backing success although press tool getting shape wanted blanking plate die answer again aluminum chosen time piece angled stock plate mounted plywood base along Perspex acrylic guide slotted give some adjustment width angle punch fastened drill chuck realized /PERSPEX GUIDE PLYWOOD BASE ALUMINUM DIE DRILLTAELE SECTION THROUGH PUNCH AND EASE SLOT FOR ADJUSTMENT 4 PERSPEX GU E SLOTTO SUIT PUNCH SECTION -____ ALUMINUM DIE LET INTO BASE H PITCH OF LOUVERS PLAN VIEW OF BASE Photos author Graphic neaign Heather Erdahi July1996 75 EDITORS NOTE English author frequent contributor countrys RCM&E Certain British terms phrases have retainedwith explanations necessaryto capture flavor Mr Kents writing drill intended turn punch Punch/Kent Continued page 75 Undaunted removed die made shape simple rectangle turned punch through 18ff tried again Success series nine punched louvers 12mm centers little tearing corners metal being deformed modifications madeboth punch softer curves die small radius rather sharp edge sides rear able hold base litho plate place having resort bolting down production soon underway Some louvers Bullet cowl angle rather 900 guide set up correct angle punching commenced once again panels produced very short time using punch die remained fit panels nose sections model Since certain amount curvature some panels experiments carried out find best way reproduce shape eventually found quite easy bend individual panels around piece aluminum bar damage louvers panels attached nose section using Evostick adhesive did let Evostick dry out recommended time applied both surfaces fitted panels less straightaway did give opportunity slide panels about get correct position cowl very pleased performance simple tool die feel would have almost impossible have managed particular model ona Model Airoratters 9050 E Gray Road Scottsdale AZ 85260 Check MO Visa MC $150 5&H es Add 70/o Tan VINTAGE SPOKED WHEEL KITS 1 3 1/4 size -$1695 $2495 REALISTIC COCKPIT KITS 1/12 1/81/8 1/61/6101/4 Scale -$1995 1/410 1/3 Scale $2875 Send $250 Check MO Foil Color Catalog showing Current asd Upcoming Prodacts Kits Accessories $250 Credit First Order Got Special Need Fax particulars 602-314-9937 FUSELAGE JIG STATIONS MORE GATOR PRODUCTS Provides solid support accurate building Rugged 7ply aircraft plywood construction Three sizes available Standard fuse up 7-1/2 wide orJumbo fuse up 10 wide Giant Scale fuse up 15 wide Use building board base mount Uni-Strut Guide Rails versatile set-up Contains hardware & instructions including Uni-Strut information Box 4 Standard Jig Stations $2195 Box 4 Jumbo Jig Stations 395 Box 4 Giant Scale Jig Stations $3895 2 Five Ft Guide Rails & Mounting Nuts . $2295 MV-i Typhoon Nats FAI Winner Plans Parts available 909 1000 22 1140 versions Plug-in Wing Tube & Socket Sets 7/16 5/8 7/8 1-1/2 dia Special Lengths Order Plug-in Wing Adjusters 4-pack Adjust Both Wing Panels Plug-in Adjustable Stab Kits Micro-Adjustment Both Stab Panels Soft-N-Safe Engine Mounts 120 91 60 size engines Feather Lite Glass Cloth 7 oz Close Weave Fast Filling Lightest Finished Weight 3713 Pompano Drive Pensacola FL 32514 GATORPhone 904 494-0203 RIC Products Inc VISA/MasterCard Welcomed $4 50 per tern S&H Residents add BOo Tax Worlds Best LASER CUT KITS July1996 79 Brass Aiuainum Rshber Tires iiiusf rated Directions Aooemhiy Forms RUBBER POWERED FF SCALE ldt features finest LASER CUT BALSA Contest Rubber Computer Drawn Plans Complete Hardere Pack Authentic Full Color Watersllde Decala Real Colored TIssue Complete InstructIons Please check local hobby dealer firaL kite available better hobby shops around world Catalog $200 Add $450 shipp4ng kit Overseas orders add 20% FL residents add 6% sales tax USA ng Corp 3