A well-built jig can make Free Flight sheeted wing construction go lot smoothly EJohn Lorbiecki HAVE YOU EVER wondered experts make beautiful undercambered sheeted wings Power models Nordics Some practiced builders go lot trouble making using fancy jigs doing extensive shimming Franldy first sheeted wings seemed trouble worth Building heavily undercambered Free Flight wing does require use some type jig After little experimentation built described use constructing wing just-designed A2 Towline Glider jig can built about three hours using radial-arm saw table saw building wing panels will go quickly fun Washin washout can induced after some simple shimming airfoil shape easily adjusted using two pieces pine Construction materials list couldnt shorter Pick up several pieces pine few wood screws youre way Cut jig base straight piece pine making long enough wide enough accommodate span chord wing being built base measures 1 x 8 x 28 long Use section building board same size base Groove board 10to 12-in intervals along its length extending grooves within 10 12 far surface makes board flexible enough conform undercambered shape airfoil two vertical pieces important part jig must cut equal length stand matching height Temporarily bolt together wood screws use thin felttipped marker pen trace outline lower camber airfoil joined surfaces will determine shape lower sheeting during wing construction accuracy important Cut along lines band saw saber saw Sand blocks shape youre ready assemble jig Assembly Using T-square mark two lines two three inches ends base board Drill countersink two holes No 10 wood screw Attach Continued page 174 88 Model Aviation Left Close-up completed jig Built inexpensive pine takes two three hours make Right wing sheeted jig help 3M-77 Spray Mount contact cement waxed paper method shown Hunterss videotape Hot Stuff usage BUILDING JIG FOR L7W Q7EL~ building board grooved 1O-12-in intervals can bent lower camber airfoil shape cut tops vertical pieces jig uprights must matching height An unaercambered airfoil section ready assembly after being built jig lower sheeting has secured board 3M-77 ribs precut fitted before being glued Hot Stuff une OT inc autnors completed wing structures built own-design jig MASIE Al RSC flEW GIVE YOUR ELECTRIC SAILPLANE IMPROVED RATE OF CLIMB BY UP TO 21% MORE THAN DIRECT DRIVE V HIGH PERFORMANCE 72 VOLT 05 ELECTRIC MOTOR V 301 GEARBOX V 12 X 8 FOLDING PROPELLER V 175 SPINNER See local hobby dealer L sor Propeller Company Monier Circle ho Send SASE free catalog Cordova California 95742 Slagle fly Control Line barefoot hot concrete runwaysfl FF Wings/Lorbiecki Continued page 88 vertical pieces airfoil curvature top Make sure leading edge portion piece has same orientation other piece Lay building board section verticals Drill screw board place again using edge vertical block align top desired draw line jig mark location leading edge Ive borrowed Hunterss Hot Stuff fame technique holding sheeting place Trim section waxed paper proper length Spray jig Civilian busts /3 /4 /5 scale $795 plus $3 P/H Full figures $1995 plus $4 P/HCivilians 1/3 74 scale WWI Barnstormer 1/4 WWII Navy 1/5 WWII USAAF 1/e and/8 scales Ask Officers Gentlemen pilots name favorite hobby shop call name Ibe dealer nearest ordering direct include check money order MCNISA accounf number exp daft Officus ani Uentlmmen 537-7323 Box 537 RD 2 Hampton NJ 08827 light coat contact cement3M-77 Spray Mountand apply paper sure no wrinldes Cut lower sheeting proper length width Since leading trailing edges will used reference throughout construction make sure straight true Spray waxed paper contact cement lay sheeting place making sure leading edge accurately positioned respect airfoil Check against optional leading edge guideline drew jig Use palm hand rub sheeting place Make sure completely contacts area Attach leading edge Hot Stuff mark ribs add webbing etc Sand assembly wing still jig Before applying upper sheeting blow out sanding dust inspect work Correct deficiencies find Because upper camber airfoil top sheet must wider bottom sheet Apply bead thick Hot Stuffnot thinner consistency along ribs spars webbing leading edge etc Slide sheeting against ~1 WAY% THE JOURNAL THE AIRPLANE 1920 1940 Leo Opdycke Editor leading edge Using palms slide down over ribs toward trailing edge Rub sheeting everywhere make sure its completely adhered Wait few seconds wing panel ready final sanding Adding washin washout simple Loosen attachment screws vertical pieces slide shim sure its appropriate size wing youre ready induce washin washout required done before start wing construction built jig cut ribs assembled three wing panels Nordic six hours time Try standard Nordic construction Building next sheeted wing should easier everII ww1 4~URnALOE TIlE EARLY AEROPLAnE Kenn Rust Editor WW1 AERO 1 900-1 91 9 SKYWAYS 1 920-1 940 two Journals contain information current prolects historical research news museums airshows workshop notes technical drawings data information paint color photographs aeroplanes engines parts sale scale modelling material PLUS wants disposals news current publications kinds PLUS more. Sample copies $4 Published WORLD WAR 1 2e4##ma INC 15 Crescent Road fouqhkeepsie IIY 12601 USA 914 475-3679 174 Model Aviation Kit includes fully assembled unit Wiring included ATNES 1 PRECISION INSTRUMENTS MILLS METALS noos OMPLETE CATALOG $200 hAlOs items j YDDLS CD 21005000 Spro,gt1o OH 45501 COMPAC 11 1220562 PINSPATCHES Luan g1gg~ c0 CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539
Edition: Model Aviation - 1991/10
Page Numbers: 88, 174
A well-built jig can make Free Flight sheeted wing construction go lot smoothly EJohn Lorbiecki HAVE YOU EVER wondered experts make beautiful undercambered sheeted wings Power models Nordics Some practiced builders go lot trouble making using fancy jigs doing extensive shimming Franldy first sheeted wings seemed trouble worth Building heavily undercambered Free Flight wing does require use some type jig After little experimentation built described use constructing wing just-designed A2 Towline Glider jig can built about three hours using radial-arm saw table saw building wing panels will go quickly fun Washin washout can induced after some simple shimming airfoil shape easily adjusted using two pieces pine Construction materials list couldnt shorter Pick up several pieces pine few wood screws youre way Cut jig base straight piece pine making long enough wide enough accommodate span chord wing being built base measures 1 x 8 x 28 long Use section building board same size base Groove board 10to 12-in intervals along its length extending grooves within 10 12 far surface makes board flexible enough conform undercambered shape airfoil two vertical pieces important part jig must cut equal length stand matching height Temporarily bolt together wood screws use thin felttipped marker pen trace outline lower camber airfoil joined surfaces will determine shape lower sheeting during wing construction accuracy important Cut along lines band saw saber saw Sand blocks shape youre ready assemble jig Assembly Using T-square mark two lines two three inches ends base board Drill countersink two holes No 10 wood screw Attach Continued page 174 88 Model Aviation Left Close-up completed jig Built inexpensive pine takes two three hours make Right wing sheeted jig help 3M-77 Spray Mount contact cement waxed paper method shown Hunterss videotape Hot Stuff usage BUILDING JIG FOR L7W Q7EL~ building board grooved 1O-12-in intervals can bent lower camber airfoil shape cut tops vertical pieces jig uprights must matching height An unaercambered airfoil section ready assembly after being built jig lower sheeting has secured board 3M-77 ribs precut fitted before being glued Hot Stuff une OT inc autnors completed wing structures built own-design jig MASIE Al RSC flEW GIVE YOUR ELECTRIC SAILPLANE IMPROVED RATE OF CLIMB BY UP TO 21% MORE THAN DIRECT DRIVE V HIGH PERFORMANCE 72 VOLT 05 ELECTRIC MOTOR V 301 GEARBOX V 12 X 8 FOLDING PROPELLER V 175 SPINNER See local hobby dealer L sor Propeller Company Monier Circle ho Send SASE free catalog Cordova California 95742 Slagle fly Control Line barefoot hot concrete runwaysfl FF Wings/Lorbiecki Continued page 88 vertical pieces airfoil curvature top Make sure leading edge portion piece has same orientation other piece Lay building board section verticals Drill screw board place again using edge vertical block align top desired draw line jig mark location leading edge Ive borrowed Hunterss Hot Stuff fame technique holding sheeting place Trim section waxed paper proper length Spray jig Civilian busts /3 /4 /5 scale $795 plus $3 P/H Full figures $1995 plus $4 P/HCivilians 1/3 74 scale WWI Barnstormer 1/4 WWII Navy 1/5 WWII USAAF 1/e and/8 scales Ask Officers Gentlemen pilots name favorite hobby shop call name Ibe dealer nearest ordering direct include check money order MCNISA accounf number exp daft Officus ani Uentlmmen 537-7323 Box 537 RD 2 Hampton NJ 08827 light coat contact cement3M-77 Spray Mountand apply paper sure no wrinldes Cut lower sheeting proper length width Since leading trailing edges will used reference throughout construction make sure straight true Spray waxed paper contact cement lay sheeting place making sure leading edge accurately positioned respect airfoil Check against optional leading edge guideline drew jig Use palm hand rub sheeting place Make sure completely contacts area Attach leading edge Hot Stuff mark ribs add webbing etc Sand assembly wing still jig Before applying upper sheeting blow out sanding dust inspect work Correct deficiencies find Because upper camber airfoil top sheet must wider bottom sheet Apply bead thick Hot Stuffnot thinner consistency along ribs spars webbing leading edge etc Slide sheeting against ~1 WAY% THE JOURNAL THE AIRPLANE 1920 1940 Leo Opdycke Editor leading edge Using palms slide down over ribs toward trailing edge Rub sheeting everywhere make sure its completely adhered Wait few seconds wing panel ready final sanding Adding washin washout simple Loosen attachment screws vertical pieces slide shim sure its appropriate size wing youre ready induce washin washout required done before start wing construction built jig cut ribs assembled three wing panels Nordic six hours time Try standard Nordic construction Building next sheeted wing should easier everII ww1 4~URnALOE TIlE EARLY AEROPLAnE Kenn Rust Editor WW1 AERO 1 900-1 91 9 SKYWAYS 1 920-1 940 two Journals contain information current prolects historical research news museums airshows workshop notes technical drawings data information paint color photographs aeroplanes engines parts sale scale modelling material PLUS wants disposals news current publications kinds PLUS more. Sample copies $4 Published WORLD WAR 1 2e4##ma INC 15 Crescent Road fouqhkeepsie IIY 12601 USA 914 475-3679 174 Model Aviation Kit includes fully assembled unit Wiring included ATNES 1 PRECISION INSTRUMENTS MILLS METALS noos OMPLETE CATALOG $200 hAlOs items j YDDLS CD 21005000 Spro,gt1o OH 45501 COMPAC 11 1220562 PINSPATCHES Luan g1gg~ c0 CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539