OF ALL THE fighter planes World War German Fokker DR-i probably best known people virtually no knowledge aviation history recognize Red Barons airplane success Baron von Richtofen other aces en joyed flying DR-i certainly con tributed planes fame course its distinctive appearance no doubt helped secure its place aviation history well Actually DR-i saw front-line service fairly short period time rapid advances aircraft design power plants during WW planes became ob solete faster todays computer systems DR-i entered service end August 1917 retired combat nine months later May 1918 think DR-i first successful triplane miscon ception idea triplane came Anthony Fokker 1917 after observed maneuverability high rate climb British Sopwith Triplane Fokker returned factory chief engineer Reinhold Platz design triplane fighter Included Platzs design armament two machine guns marked improvement over Sopwiths armament gun DR-is strengths its excellent maneuverability high rate climb powerful armament dogfight out classed Allied planes except Sopwith Camel Its weaknesses included low maximum speed poor performance high altitudes fault low-power Oberusel rotary engine suitable power plant available Fokker time April 1987 81 its size simplicity semiscale 1/2A Control Line model has lots eye appeal Its certainly different other models will find flying circle model compact 12 wingspan nearlyall-sheet construction Shorttaii moment offset fairiy small elevators model fairly easy fly lead-out guide made 1/16 ply lead-outs run under middle wing keep construction simple Machine gun made scrap balsa Cockpit opening black oval Trim MonoKote Easy-to-make markings vintage wheels wood prop add character model semi-Sport stand-wayoff Scale design looks better profile model still easy build Covered bright red MonoKote simple-to-make markings model really eye-catcher Construction Use cyranoacrylate CyA everywhere except firewall landing gear glued epoxy Cut out parts first test-fit before beginning construction Any plastic iron-on covering such MonoKote can used Begin building wings first bottom middle wing use same rib pattern same except middle wing longer procedure same three wings Start cutting out top sheeting 2 balsa Make about /16 wider cord dimension allow longer path caused curvature wings upper surface Draw lines inside sufface ribs Left Belicrank mounted anal/i 6 ply flooriust aft firewall Lead-outs attached before middle wing glued place Note middle wing leading edge forward firewall Right Cowl made three layers -In balsa glued place sanded shape Square opening needed access engine mounting screws Tn-stock balsa braces engine compartment will glued Glue rear half rib sheet making sure end ribs trailing edge sheeting ribs place top sheeting bent around sharper curve front half ribs After building wing hard way discovered easier method First moisten first 1 leading edge sheeting outside curve Bend sheet about halfway want end up apply CyA hold what youve done far Repeat procedure back half sheeting An easy way bend sheet equally across span start wing laying upside down flat work bench lift trailing edge keeping leading edge workbench moving rocking-chair motion 82 Model Aviation Cox 049 Black WIdow engine mounted Inverted better appearance because top wing rather far forward Wood prop display flies 5-In plastic prop Modified Cox Black Widow 049 ready installation held place screws treat holes drop Hot Stuff pre vent stripping out threads Fuel-proof Inside engine compartment thoroughly First rear two-thIrds wing ribs glued place 1/32 balsa sheeting Hot Stuff sheeting bent overthe more-curved forward part ribs glued B prsterrea view TOFaas top wing appear closer TO tne miaaie man reaiiy ney aimosm equloistant sheeting glued ribs the wing struts Sand Y32 off bottom wing will have its airfoil shape wing two center ribs attach bottom tips made attaching rib sanding sheeting flush bottom match airfoil Cut holes wing sheeting middle bottom wings for Continued page 168 TOP WING 1 IIZIY-H 4 BALSA SHEET -9 MIDDLE 8 i BOTTOM WING 1/8 BALSA SHEET RIBS B WING TIP TOP WING RIB 1/32 BALSA WING SHEETING -ALL WINGS TOP ONLY STABILIZER SHEET JOINER Ii rnvThu41_ MIDDLE WING TO HERE /1/32 SHEET ON BOTTOMBOTTOM WING BOTTOM WINGIOF MIDDLE B BOTTOMTO HERE TIP 1 HERE/4 BALSAWING-THIS AREA TRI-STOCKFUSELAGEI/B BALSA 1/4 BALSA SHEETSHEET COWL-SLAMCUTOUT FORI BELLCRANK /8 BALSA CUT HOLES FOR NEEDLE VALVE 163/16 BALSA FUEL FILLTRI STOCK G 1/B SPRUCE T CABANES SHETQ COX 049 ENGINE 1/16 BALSA SHEET TOP AND BOTTOM MIDDLE B BOTTOM WING RIB SHEET 1/16 MUSIC WIRE WRAP B SOLDE LANDING GEAR DETAIL PLY 1/16 BALSA SHEET RUDDER BELLCRANK /4 TRIMOUNT STOCKII EXITo I2 -1/16 MW 1/16 BALSA SHEETTAILSKID 3/16SIDES LEFT SIDE TRII 16 PLYOMITTED FOR CLARITY K B/C MOUNT FUSELAGECOLOR NOTES RED OVERALL SIDE VIEW WILLIAMS BROS 5 DIACOWL VINTAGE WHEELS WITH WHITE BORDERS-GREY 1/16 PLY LEADOUT GUIDE 1/8 BALSA SHEET II I, LQ SPREADER I/a PLY I/B BALSA SKID FIREWALL 1/16 BALSA 3456 I I J MODEL AVIATION FOKKER DR-I TRIPLANE 1/2 CONTROL LINE DESIGNED BY BILL MICHAELS TRACING BY 30E DEMARCO April 1987 83 Acompieted wing readyto covered Wing tips just extra ribs glued place sanded shape Covering three wings MonoKote will produce sturdy units heat MonoKote evenly avoid warps starts easiermoai iveni w piugIs passea tnrougn landing gear Keep fingers clear ot prop Stan engine flip upright finetune needle valve cd 1 S 01 U 0 S 0 S 0 S U 6 C U S N 0 IA pp p p1h g p BENTOM BROWN JH- CAMPHLLL COMET COVERITE COX DUBRO EASY BUILT MODELS ENYA FAF FLYLINE FOX GOLDBERG GOLDEN AGE REPRO GENE DUBOIS GUILLOW- K&B K&S L R MRC OS MAX PACTRA- PECK-POLYMER PERFECT R N MODELS SEAGLEN SIG STERLING SULLIVAN SUPER TIGRE TAFFINDER TELCO TOP FLITE- TREXLER WILLIAMS & OTHERS ESTES MODEL ROCKETS Send 1100 Csh Check Stanspa oar 44 page tabloid nice DISCOUNT Catalog 900 illustrations over 700 Kits choose MAILORDER PHONEORDER IN STORE PENN VALLEY HOllY CENTER 87 WMain St Lansdalsla19446 Problems lems Splitting thin ribs pinning Keeping ribs square vertical straight Strong glue joints Stop Dont ruin new airplane wing tail-2/ What Need Are NEW Joint Points come 5 slot sizes 1/16 3/32 1/8 3/16 1/4 2 Makes perfect strong joint Needs no pins Distributes point loading compression tension torque Ask Favorite Hobby Dealer forJOIflt Points Packagel2pcsea $119 Su-Pr-Line product AI-Tec Products Inc Sidney Ohio 5 Glue leading trailing edge strips thinly-spread epoxy Hold strips place tape epoxy sets Sand leading trailing edges correct shape must smooth transition foam core trailing edge balsa skin will overlap aid sanding balsa sanding foam tape piece lightweight cardboard such notebook divider over foam butted against balsa blocksand Photo 12 Probably will have replace cardboard several times before finished balsa smooth cardboard re -move cardboard carefully sand until balsa smooth foam balsa skin overlap leading edge balsa leading edge should sanded similar fashion An alternate method glue sand leading edge balsa after balsa skin has glued Preparatory skinning wing blocksand foam core lightly want smooth ridges Dont go overboard foam thin fragile Vacuum sanded foam core care skin will /16 sheet contest balsa Edge-glue enough sheets together get width necessary cover side Mix enough 45-mm epoxy cover two skins Apply epoxy skin use playing card spread remove excess just right balsa skin will damp epoxy Lightly coat trailing edge leading edge overlap plywood spar edge excess epoxy will add weight provide strength skins applied cavity cores place added rigidity Starting leading edge roll skin over core would same using contact cement instead epoxy same skin other side Place subassembly back outer core saddles sandwiched together add weights top outer core saddies compress everything epoxy curing Make bellcrank assembly lead-outs Bush lead-outs 6 brass tubing through bellcrank Slip leadout through 1-in length tubing Slide tubing through bellcrank bend tubing smooth radius Make leadout cable connections per AMA rule book see Photo 13 Assemble bellcrank pushrod must secured bellcrank way interfere movement Notch inboard wing bellcrank support pushrod exit pushrod should installed bends between flap horn bellcrank might require larger exit notch normal Epoxy bellcrank assembly inboard wing Make sure operation smooth before going further Both wing halves now ready epoxy together outer core saddles provide support alignment both inboard edges trim away excess balsa skin foam cores should square sanded Remove cavity cores Lightly coat foam cores balsa skin inboard edges 45-mm epoxy Position two edges together core saddies trailing edges must straight alignment Photo 14 Allow epoxy set Cut two x 1-in plywood bellcrank supports Drill through centers epoxy wing skin will give bellcmank area enough strength 40-lb pull tests wing butt joint must reinforced 1-in strips fiberglass Lay down fiberglass brush epoxy through Remove excess epoxy playing card keep weight down wing condition described should now weighed used competitive Precision Aerobatics aircraft should 8 oz wing too heavy think uses other com petitions likely reason- tooheavy wing use ofA6 balsa other lightweight contest variety Building foam-core wing CL Pre cision Aerobatics beyond capa bilities average modeler com pleted wing will use about $10 worth materials take about 10 manhours time Making templates takes about half time making additional wings same design can done about five hours foam-core wing general easier faster always straighter built-up wing Installing wing tips flaps part article thanks Bob Vogel good friend photographic hobbyist pictures article Fokker/M ichaels Continued page 83 wing covered same man ner Use piece MonoKote starting attaching top trailing edge wrapping around rear wing across bottom attaching leading edge material attached top surface handy MonoKote can cover wing tips along rest wing prefer cover tips first rest wing piece Glue three pennies tip weight right tip bottom wing tail surfaces made /it-in sheet balsa easy assemble rudder made three pieces wood grain running directions shown plans Building rudder way makes stronger made piece elevators joined piece /16-in music wire attached stab strip MonoKote ironed across top gap serve hinge sure gap between two pieces wide enough allow elevator deflect downwards well upwards 168 Model Aviation 37K25-ACE Handrills Set$1350 37K26ACE Handrills Handles/Stand Only.. $900 37K2BACE Marking Gauge$395 37K24ACE CGjDihedral Stand$395 37K100-ACE Long Drill Bits 6 set 5*1095 37K120ACE Long Drill Bits 12 set 5..$2395 37K1 30-ACE Drill Tap Set 8 pieces$1495 37K140ACE Die Set 8 pieces.$2750 Drill bits Taps Dies may order individually ordered direct add $200 Complete catalog $200 Phone 8161 584-7121 Address 116W 19th St PO Box 511ES Higgineville MO Zip 64037 Fuselage Drill small holes firewall engine mounting screws go Prepare /16-in balsa fuselage sides gluing Y16-in tri stock along rear edges fuselage Make sure build left right side Glue -in tri bellcrank mount supports rear firewall braces place Glue firewall bellcrank mount rear -in balsa bulkhead fuselage sides Make sure thing square point youll end up warped fuselage dry add YI6-in tri braces front firewall n 7I Bend tail skid /16-in music wire epoxy front side rear bulkhead Plank fuselage bottom aft wing /16-in balsa grain going across fuselage Bend pushrod shape install bellcrank Glue stab position check make sure no binding slop anywhere control system well plank top fuselage aft wing lead-outs installed before middle wing glued Attach two /16-in pieces make up rear fuselage under stab Now good time modify engine will using engine needs have cylinder turned 1800 points downward removing four screws back fuel tank rotate tank 1800 replace screws cowl made three pieces balsa sandwiched together cut out clear engine chose Cox 049 Black Widow model cowl designed clear prop spring starter using shorter engine such Babe Bee 049 shorten cowl leaving off outermost piece -in balsa Glue -in triangular cowl supports along front fuselage sides Glue /8-in balsa fuselage top place front fuselage dry sand April 1987 169 1IC N SPIHh111 W PCE MY LPNDING MAY VIOl PERFECT BUT ThY AUIT THAT BAD C CHIPLS 84 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture f carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 F S Send catalog modelers safety supplies QUAY BARMR MODELS STRING f\sszsflE\ SEMI-KiT KIT$15495 sIck Rivets EPOXY/GLASS/FOBA~\.J CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS 8 to 10 lbs weight 790 sq wing area 60 2 stroke 12 4 stroke kit prices plus shipping scredit cards welcome Ohio residents add 6 1 216 7774172 SEMIKIT $11995 KIT$15495 Cosmic Wind SEMI-KIT $10995 KIT514495 1 27108 Butternut RidgeNorth Olmsted Ohio 44070 oooooooo * VIDEO 0 o Hedge Hoppin Vol 3 Special Feature WarbirdO ction Tos Model Q ztion Interviews Scale 0 Concorde SST Retail 0 6Th 1 Basic Construction Beginner 107 Mm 4995 2 Basic flight Training Beginners 65 Mm 4495 W Mod aon 9OMn 4495 SSMn3995 Arp OMnWd 39950 ScaleMasters 60Mm 7 Warbirds Action 75Mm Fantastic 8 HedgeHoppinVoll 45Mm 4195 9 Which Way Up 70 Mm Aerobatirsi . OHedgeHoppnVo 2 40Mm4195 llHedgeHoppnVo 330Mm A Hedge Hopp n Series Feature Variety Asmia- * boo Top cs Full Scale & Model W pECEcI 11 AAF INTELLIGENCE SUM-@ MARY ON JAPANESE AIR COMBAT C TACTICS WIREG PURCHASE OF 0 HEDGE HOPPIN VOL 2 OR WAR- W BIRDS IN ACTIONC BEGINNERS PACKAGE OFFER Purchase Basic Con structlon program egular pnc ecawe Basc Fight Tainng 30 off etal Save W aSI39&~C BUY OR RENT IWO 0 oO 1yhS TAPES GET 3RD VIDEO AT 50% OFF C rdering InformationC Rentals $1496 Rental DeposIt Retail Price Tape C Rental DuratIon 7 Days Aher Delivery Payment Check 10 days MO. Vlsa/MC Card #C p & Eap Date Phone 9 CODs Available Phone. ShIpping 375 Foreign Canada Add 10% TotalC Others 15% 10 Res Add 7% Tam emy AvIatIon R& D PO Box 277 C Hazel Crest IL 60429 3350776 C0C@C@a@C@aOc@Q 170Model Aviation corners round smoothing fuse lage Cut away material make enough room engine screw driver tighten screws Cut holes fuselage top needle valve fuel filler Cover fuselage MonoKote paint inside engine compartment fuel-proof dope Attach lead-outs bellcrax1k glue bottom middle wings place Make sure parallel other sure cut away covering provide good woodto-wood joint Install spruce wing struts lead-out guide Cut holes bottom top wing struts cabanes Glue top wing wing struts making sure parallel middle wing wing set add cabane struts Bend Vag-in music wire shape shown plans Put wheels axle bend ends wont fall off Attach axle landing gear setting place wrapping joint fine wire can reinforce wire joint soldering didnt find necessary model Glue landing gear model rear crossbar epoxied bottom firewall front legs epoxied -in triangular cowl supports inside engine compartment Attach axle wing axle epoxy dab epoxy between axle wing finewire landing gear leg/axle joint will keep axle wing rotating Finishing now isnt much left Glue rudder place -in offset right Make markings black white trim regular Mono Kote added single machine gun made scrap balsa left off second could reach needle valve Install engine adding washer offset outside circle Finally check balance point Flying Fly model 30- 35-ft lines found easier start engine plane inverted flip over finetune needle valve Remember keep fingers away prop Pass wires starting battery through land ing gear less likely get Caught prop Adjust needle valve behind top wing front DR-i will leap air after short takeoff run flies well fairly maneuverable good gliderso ready engine quits TR 260 Berliner Continued page 94 lybdenum steel US covered unidirectional fiberglass wings built up hemlock pine oovered 2Yzmm 450 mahogany plywood ribs spaced 12 apart airfoil modified NACA 21000 series *ThES --..1 ~laIonTooIa caauis reeu Ce 21 GUI Sates Rd S2OOCatalogj 54 Seelnleld0No 43506 513-322-8562 NFO CONSTRUCT ON 1 REVIEW S HOW TO S S Mc n M 4 Ms0e ec Dee moe 2] ache ho MO 5 ROAMIN RESEARCH 9 .$r IISUIDesestOs omed P Serd SSAE lot catalog shgg camp e t ne UTI V Oop5rlnr Omun4 Ct5blilty 50545 ColtS protection trom tiposom Tie namase toCfltisttt tOt trClfllng Fit cii skid seine ifletelle minutes conplet witS tuli HELICOPTERInetmotinne BALL SKIDS11995 eGI mrrmrr. oruMDcRt4atttonWe26204 l2esteld FLYING SCALE MODEL RIC PLANS Super Detail os Instruction Sheets __Smith Plans 19163 Shadowoad Dr Send SASE listMonument CO 80132 LAThES ING MACSHIO KI tISPIUPPLIO Asietion Model BLUED%E [JO/ MACHINERY ANOLS 7] POAae53SY ,InWV25A2S N, Csiotoes Si354052 3535essi o200raees sd ioiifn-unosreborforoMsrnaedqeecorio & WOeLOS elasesr suns noun-n seevime reun Coon-u PAcKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING 0*55 Esiaruieg 00 Catalog 0 300 SCALE PlANS PHOTO SEB VICE 3209 M5disOo Greensboro NC 27403 phone t 191912925239 No coliecti PUAW DIESELS EngIands Finest 049 35 R/C STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388
Edition: Model Aviation - 1987/04
Page Numbers: 81, 82, 83, 168, 169, 170
OF ALL THE fighter planes World War German Fokker DR-i probably best known people virtually no knowledge aviation history recognize Red Barons airplane success Baron von Richtofen other aces en joyed flying DR-i certainly con tributed planes fame course its distinctive appearance no doubt helped secure its place aviation history well Actually DR-i saw front-line service fairly short period time rapid advances aircraft design power plants during WW planes became ob solete faster todays computer systems DR-i entered service end August 1917 retired combat nine months later May 1918 think DR-i first successful triplane miscon ception idea triplane came Anthony Fokker 1917 after observed maneuverability high rate climb British Sopwith Triplane Fokker returned factory chief engineer Reinhold Platz design triplane fighter Included Platzs design armament two machine guns marked improvement over Sopwiths armament gun DR-is strengths its excellent maneuverability high rate climb powerful armament dogfight out classed Allied planes except Sopwith Camel Its weaknesses included low maximum speed poor performance high altitudes fault low-power Oberusel rotary engine suitable power plant available Fokker time April 1987 81 its size simplicity semiscale 1/2A Control Line model has lots eye appeal Its certainly different other models will find flying circle model compact 12 wingspan nearlyall-sheet construction Shorttaii moment offset fairiy small elevators model fairly easy fly lead-out guide made 1/16 ply lead-outs run under middle wing keep construction simple Machine gun made scrap balsa Cockpit opening black oval Trim MonoKote Easy-to-make markings vintage wheels wood prop add character model semi-Sport stand-wayoff Scale design looks better profile model still easy build Covered bright red MonoKote simple-to-make markings model really eye-catcher Construction Use cyranoacrylate CyA everywhere except firewall landing gear glued epoxy Cut out parts first test-fit before beginning construction Any plastic iron-on covering such MonoKote can used Begin building wings first bottom middle wing use same rib pattern same except middle wing longer procedure same three wings Start cutting out top sheeting 2 balsa Make about /16 wider cord dimension allow longer path caused curvature wings upper surface Draw lines inside sufface ribs Left Belicrank mounted anal/i 6 ply flooriust aft firewall Lead-outs attached before middle wing glued place Note middle wing leading edge forward firewall Right Cowl made three layers -In balsa glued place sanded shape Square opening needed access engine mounting screws Tn-stock balsa braces engine compartment will glued Glue rear half rib sheet making sure end ribs trailing edge sheeting ribs place top sheeting bent around sharper curve front half ribs After building wing hard way discovered easier method First moisten first 1 leading edge sheeting outside curve Bend sheet about halfway want end up apply CyA hold what youve done far Repeat procedure back half sheeting An easy way bend sheet equally across span start wing laying upside down flat work bench lift trailing edge keeping leading edge workbench moving rocking-chair motion 82 Model Aviation Cox 049 Black WIdow engine mounted Inverted better appearance because top wing rather far forward Wood prop display flies 5-In plastic prop Modified Cox Black Widow 049 ready installation held place screws treat holes drop Hot Stuff pre vent stripping out threads Fuel-proof Inside engine compartment thoroughly First rear two-thIrds wing ribs glued place 1/32 balsa sheeting Hot Stuff sheeting bent overthe more-curved forward part ribs glued B prsterrea view TOFaas top wing appear closer TO tne miaaie man reaiiy ney aimosm equloistant sheeting glued ribs the wing struts Sand Y32 off bottom wing will have its airfoil shape wing two center ribs attach bottom tips made attaching rib sanding sheeting flush bottom match airfoil Cut holes wing sheeting middle bottom wings for Continued page 168 TOP WING 1 IIZIY-H 4 BALSA SHEET -9 MIDDLE 8 i BOTTOM WING 1/8 BALSA SHEET RIBS B WING TIP TOP WING RIB 1/32 BALSA WING SHEETING -ALL WINGS TOP ONLY STABILIZER SHEET JOINER Ii rnvThu41_ MIDDLE WING TO HERE /1/32 SHEET ON BOTTOMBOTTOM WING BOTTOM WINGIOF MIDDLE B BOTTOMTO HERE TIP 1 HERE/4 BALSAWING-THIS AREA TRI-STOCKFUSELAGEI/B BALSA 1/4 BALSA SHEETSHEET COWL-SLAMCUTOUT FORI BELLCRANK /8 BALSA CUT HOLES FOR NEEDLE VALVE 163/16 BALSA FUEL FILLTRI STOCK G 1/B SPRUCE T CABANES SHETQ COX 049 ENGINE 1/16 BALSA SHEET TOP AND BOTTOM MIDDLE B BOTTOM WING RIB SHEET 1/16 MUSIC WIRE WRAP B SOLDE LANDING GEAR DETAIL PLY 1/16 BALSA SHEET RUDDER BELLCRANK /4 TRIMOUNT STOCKII EXITo I2 -1/16 MW 1/16 BALSA SHEETTAILSKID 3/16SIDES LEFT SIDE TRII 16 PLYOMITTED FOR CLARITY K B/C MOUNT FUSELAGECOLOR NOTES RED OVERALL SIDE VIEW WILLIAMS BROS 5 DIACOWL VINTAGE WHEELS WITH WHITE BORDERS-GREY 1/16 PLY LEADOUT GUIDE 1/8 BALSA SHEET II I, LQ SPREADER I/a PLY I/B BALSA SKID FIREWALL 1/16 BALSA 3456 I I J MODEL AVIATION FOKKER DR-I TRIPLANE 1/2 CONTROL LINE DESIGNED BY BILL MICHAELS TRACING BY 30E DEMARCO April 1987 83 Acompieted wing readyto covered Wing tips just extra ribs glued place sanded shape Covering three wings MonoKote will produce sturdy units heat MonoKote evenly avoid warps starts easiermoai iveni w piugIs passea tnrougn landing gear Keep fingers clear ot prop Stan engine flip upright finetune needle valve cd 1 S 01 U 0 S 0 S 0 S U 6 C U S N 0 IA pp p p1h g p BENTOM BROWN JH- CAMPHLLL COMET COVERITE COX DUBRO EASY BUILT MODELS ENYA FAF FLYLINE FOX GOLDBERG GOLDEN AGE REPRO GENE DUBOIS GUILLOW- K&B K&S L R MRC OS MAX PACTRA- PECK-POLYMER PERFECT R N MODELS SEAGLEN SIG STERLING SULLIVAN SUPER TIGRE TAFFINDER TELCO TOP FLITE- TREXLER WILLIAMS & OTHERS ESTES MODEL ROCKETS Send 1100 Csh Check Stanspa oar 44 page tabloid nice DISCOUNT Catalog 900 illustrations over 700 Kits choose MAILORDER PHONEORDER IN STORE PENN VALLEY HOllY CENTER 87 WMain St Lansdalsla19446 Problems lems Splitting thin ribs pinning Keeping ribs square vertical straight Strong glue joints Stop Dont ruin new airplane wing tail-2/ What Need Are NEW Joint Points come 5 slot sizes 1/16 3/32 1/8 3/16 1/4 2 Makes perfect strong joint Needs no pins Distributes point loading compression tension torque Ask Favorite Hobby Dealer forJOIflt Points Packagel2pcsea $119 Su-Pr-Line product AI-Tec Products Inc Sidney Ohio 5 Glue leading trailing edge strips thinly-spread epoxy Hold strips place tape epoxy sets Sand leading trailing edges correct shape must smooth transition foam core trailing edge balsa skin will overlap aid sanding balsa sanding foam tape piece lightweight cardboard such notebook divider over foam butted against balsa blocksand Photo 12 Probably will have replace cardboard several times before finished balsa smooth cardboard re -move cardboard carefully sand until balsa smooth foam balsa skin overlap leading edge balsa leading edge should sanded similar fashion An alternate method glue sand leading edge balsa after balsa skin has glued Preparatory skinning wing blocksand foam core lightly want smooth ridges Dont go overboard foam thin fragile Vacuum sanded foam core care skin will /16 sheet contest balsa Edge-glue enough sheets together get width necessary cover side Mix enough 45-mm epoxy cover two skins Apply epoxy skin use playing card spread remove excess just right balsa skin will damp epoxy Lightly coat trailing edge leading edge overlap plywood spar edge excess epoxy will add weight provide strength skins applied cavity cores place added rigidity Starting leading edge roll skin over core would same using contact cement instead epoxy same skin other side Place subassembly back outer core saddles sandwiched together add weights top outer core saddies compress everything epoxy curing Make bellcrank assembly lead-outs Bush lead-outs 6 brass tubing through bellcrank Slip leadout through 1-in length tubing Slide tubing through bellcrank bend tubing smooth radius Make leadout cable connections per AMA rule book see Photo 13 Assemble bellcrank pushrod must secured bellcrank way interfere movement Notch inboard wing bellcrank support pushrod exit pushrod should installed bends between flap horn bellcrank might require larger exit notch normal Epoxy bellcrank assembly inboard wing Make sure operation smooth before going further Both wing halves now ready epoxy together outer core saddles provide support alignment both inboard edges trim away excess balsa skin foam cores should square sanded Remove cavity cores Lightly coat foam cores balsa skin inboard edges 45-mm epoxy Position two edges together core saddies trailing edges must straight alignment Photo 14 Allow epoxy set Cut two x 1-in plywood bellcrank supports Drill through centers epoxy wing skin will give bellcmank area enough strength 40-lb pull tests wing butt joint must reinforced 1-in strips fiberglass Lay down fiberglass brush epoxy through Remove excess epoxy playing card keep weight down wing condition described should now weighed used competitive Precision Aerobatics aircraft should 8 oz wing too heavy think uses other com petitions likely reason- tooheavy wing use ofA6 balsa other lightweight contest variety Building foam-core wing CL Pre cision Aerobatics beyond capa bilities average modeler com pleted wing will use about $10 worth materials take about 10 manhours time Making templates takes about half time making additional wings same design can done about five hours foam-core wing general easier faster always straighter built-up wing Installing wing tips flaps part article thanks Bob Vogel good friend photographic hobbyist pictures article Fokker/M ichaels Continued page 83 wing covered same man ner Use piece MonoKote starting attaching top trailing edge wrapping around rear wing across bottom attaching leading edge material attached top surface handy MonoKote can cover wing tips along rest wing prefer cover tips first rest wing piece Glue three pennies tip weight right tip bottom wing tail surfaces made /it-in sheet balsa easy assemble rudder made three pieces wood grain running directions shown plans Building rudder way makes stronger made piece elevators joined piece /16-in music wire attached stab strip MonoKote ironed across top gap serve hinge sure gap between two pieces wide enough allow elevator deflect downwards well upwards 168 Model Aviation 37K25-ACE Handrills Set$1350 37K26ACE Handrills Handles/Stand Only.. $900 37K2BACE Marking Gauge$395 37K24ACE CGjDihedral Stand$395 37K100-ACE Long Drill Bits 6 set 5*1095 37K120ACE Long Drill Bits 12 set 5..$2395 37K1 30-ACE Drill Tap Set 8 pieces$1495 37K140ACE Die Set 8 pieces.$2750 Drill bits Taps Dies may order individually ordered direct add $200 Complete catalog $200 Phone 8161 584-7121 Address 116W 19th St PO Box 511ES Higgineville MO Zip 64037 Fuselage Drill small holes firewall engine mounting screws go Prepare /16-in balsa fuselage sides gluing Y16-in tri stock along rear edges fuselage Make sure build left right side Glue -in tri bellcrank mount supports rear firewall braces place Glue firewall bellcrank mount rear -in balsa bulkhead fuselage sides Make sure thing square point youll end up warped fuselage dry add YI6-in tri braces front firewall n 7I Bend tail skid /16-in music wire epoxy front side rear bulkhead Plank fuselage bottom aft wing /16-in balsa grain going across fuselage Bend pushrod shape install bellcrank Glue stab position check make sure no binding slop anywhere control system well plank top fuselage aft wing lead-outs installed before middle wing glued Attach two /16-in pieces make up rear fuselage under stab Now good time modify engine will using engine needs have cylinder turned 1800 points downward removing four screws back fuel tank rotate tank 1800 replace screws cowl made three pieces balsa sandwiched together cut out clear engine chose Cox 049 Black Widow model cowl designed clear prop spring starter using shorter engine such Babe Bee 049 shorten cowl leaving off outermost piece -in balsa Glue -in triangular cowl supports along front fuselage sides Glue /8-in balsa fuselage top place front fuselage dry sand April 1987 169 1IC N SPIHh111 W PCE MY LPNDING MAY VIOl PERFECT BUT ThY AUIT THAT BAD C CHIPLS 84 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture f carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 F S Send catalog modelers safety supplies QUAY BARMR MODELS STRING f\sszsflE\ SEMI-KiT KIT$15495 sIck Rivets EPOXY/GLASS/FOBA~\.J CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS 8 to 10 lbs weight 790 sq wing area 60 2 stroke 12 4 stroke kit prices plus shipping scredit cards welcome Ohio residents add 6 1 216 7774172 SEMIKIT $11995 KIT$15495 Cosmic Wind SEMI-KIT $10995 KIT514495 1 27108 Butternut RidgeNorth Olmsted Ohio 44070 oooooooo * VIDEO 0 o Hedge Hoppin Vol 3 Special Feature WarbirdO ction Tos Model Q ztion Interviews Scale 0 Concorde SST Retail 0 6Th 1 Basic Construction Beginner 107 Mm 4995 2 Basic flight Training Beginners 65 Mm 4495 W Mod aon 9OMn 4495 SSMn3995 Arp OMnWd 39950 ScaleMasters 60Mm 7 Warbirds Action 75Mm Fantastic 8 HedgeHoppinVoll 45Mm 4195 9 Which Way Up 70 Mm Aerobatirsi . OHedgeHoppnVo 2 40Mm4195 llHedgeHoppnVo 330Mm A Hedge Hopp n Series Feature Variety Asmia- * boo Top cs Full Scale & Model W pECEcI 11 AAF INTELLIGENCE SUM-@ MARY ON JAPANESE AIR COMBAT C TACTICS WIREG PURCHASE OF 0 HEDGE HOPPIN VOL 2 OR WAR- W BIRDS IN ACTIONC BEGINNERS PACKAGE OFFER Purchase Basic Con structlon program egular pnc ecawe Basc Fight Tainng 30 off etal Save W aSI39&~C BUY OR RENT IWO 0 oO 1yhS TAPES GET 3RD VIDEO AT 50% OFF C rdering InformationC Rentals $1496 Rental DeposIt Retail Price Tape C Rental DuratIon 7 Days Aher Delivery Payment Check 10 days MO. Vlsa/MC Card #C p & Eap Date Phone 9 CODs Available Phone. ShIpping 375 Foreign Canada Add 10% TotalC Others 15% 10 Res Add 7% Tam emy AvIatIon R& D PO Box 277 C Hazel Crest IL 60429 3350776 C0C@C@a@C@aOc@Q 170Model Aviation corners round smoothing fuse lage Cut away material make enough room engine screw driver tighten screws Cut holes fuselage top needle valve fuel filler Cover fuselage MonoKote paint inside engine compartment fuel-proof dope Attach lead-outs bellcrax1k glue bottom middle wings place Make sure parallel other sure cut away covering provide good woodto-wood joint Install spruce wing struts lead-out guide Cut holes bottom top wing struts cabanes Glue top wing wing struts making sure parallel middle wing wing set add cabane struts Bend Vag-in music wire shape shown plans Put wheels axle bend ends wont fall off Attach axle landing gear setting place wrapping joint fine wire can reinforce wire joint soldering didnt find necessary model Glue landing gear model rear crossbar epoxied bottom firewall front legs epoxied -in triangular cowl supports inside engine compartment Attach axle wing axle epoxy dab epoxy between axle wing finewire landing gear leg/axle joint will keep axle wing rotating Finishing now isnt much left Glue rudder place -in offset right Make markings black white trim regular Mono Kote added single machine gun made scrap balsa left off second could reach needle valve Install engine adding washer offset outside circle Finally check balance point Flying Fly model 30- 35-ft lines found easier start engine plane inverted flip over finetune needle valve Remember keep fingers away prop Pass wires starting battery through land ing gear less likely get Caught prop Adjust needle valve behind top wing front DR-i will leap air after short takeoff run flies well fairly maneuverable good gliderso ready engine quits TR 260 Berliner Continued page 94 lybdenum steel US covered unidirectional fiberglass wings built up hemlock pine oovered 2Yzmm 450 mahogany plywood ribs spaced 12 apart airfoil modified NACA 21000 series *ThES --..1 ~laIonTooIa caauis reeu Ce 21 GUI Sates Rd S2OOCatalogj 54 Seelnleld0No 43506 513-322-8562 NFO CONSTRUCT ON 1 REVIEW S HOW TO S S Mc n M 4 Ms0e ec Dee moe 2] ache ho MO 5 ROAMIN RESEARCH 9 .$r IISUIDesestOs omed P Serd SSAE lot catalog shgg camp e t ne UTI V Oop5rlnr Omun4 Ct5blilty 50545 ColtS protection trom tiposom Tie namase toCfltisttt tOt trClfllng Fit cii skid seine ifletelle minutes conplet witS tuli HELICOPTERInetmotinne BALL SKIDS11995 eGI mrrmrr. oruMDcRt4atttonWe26204 l2esteld FLYING SCALE MODEL RIC PLANS Super Detail os Instruction Sheets __Smith Plans 19163 Shadowoad Dr Send SASE listMonument CO 80132 LAThES ING MACSHIO KI tISPIUPPLIO Asietion Model BLUED%E [JO/ MACHINERY ANOLS 7] POAae53SY ,InWV25A2S N, Csiotoes Si354052 3535essi o200raees sd ioiifn-unosreborforoMsrnaedqeecorio & WOeLOS elasesr suns noun-n seevime reun Coon-u PAcKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING 0*55 Esiaruieg 00 Catalog 0 300 SCALE PlANS PHOTO SEB VICE 3209 M5disOo Greensboro NC 27403 phone t 191912925239 No coliecti PUAW DIESELS EngIands Finest 049 35 R/C STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388
Edition: Model Aviation - 1987/04
Page Numbers: 81, 82, 83, 168, 169, 170
OF ALL THE fighter planes World War German Fokker DR-i probably best known people virtually no knowledge aviation history recognize Red Barons airplane success Baron von Richtofen other aces en joyed flying DR-i certainly con tributed planes fame course its distinctive appearance no doubt helped secure its place aviation history well Actually DR-i saw front-line service fairly short period time rapid advances aircraft design power plants during WW planes became ob solete faster todays computer systems DR-i entered service end August 1917 retired combat nine months later May 1918 think DR-i first successful triplane miscon ception idea triplane came Anthony Fokker 1917 after observed maneuverability high rate climb British Sopwith Triplane Fokker returned factory chief engineer Reinhold Platz design triplane fighter Included Platzs design armament two machine guns marked improvement over Sopwiths armament gun DR-is strengths its excellent maneuverability high rate climb powerful armament dogfight out classed Allied planes except Sopwith Camel Its weaknesses included low maximum speed poor performance high altitudes fault low-power Oberusel rotary engine suitable power plant available Fokker time April 1987 81 its size simplicity semiscale 1/2A Control Line model has lots eye appeal Its certainly different other models will find flying circle model compact 12 wingspan nearlyall-sheet construction Shorttaii moment offset fairiy small elevators model fairly easy fly lead-out guide made 1/16 ply lead-outs run under middle wing keep construction simple Machine gun made scrap balsa Cockpit opening black oval Trim MonoKote Easy-to-make markings vintage wheels wood prop add character model semi-Sport stand-wayoff Scale design looks better profile model still easy build Covered bright red MonoKote simple-to-make markings model really eye-catcher Construction Use cyranoacrylate CyA everywhere except firewall landing gear glued epoxy Cut out parts first test-fit before beginning construction Any plastic iron-on covering such MonoKote can used Begin building wings first bottom middle wing use same rib pattern same except middle wing longer procedure same three wings Start cutting out top sheeting 2 balsa Make about /16 wider cord dimension allow longer path caused curvature wings upper surface Draw lines inside sufface ribs Left Belicrank mounted anal/i 6 ply flooriust aft firewall Lead-outs attached before middle wing glued place Note middle wing leading edge forward firewall Right Cowl made three layers -In balsa glued place sanded shape Square opening needed access engine mounting screws Tn-stock balsa braces engine compartment will glued Glue rear half rib sheet making sure end ribs trailing edge sheeting ribs place top sheeting bent around sharper curve front half ribs After building wing hard way discovered easier method First moisten first 1 leading edge sheeting outside curve Bend sheet about halfway want end up apply CyA hold what youve done far Repeat procedure back half sheeting An easy way bend sheet equally across span start wing laying upside down flat work bench lift trailing edge keeping leading edge workbench moving rocking-chair motion 82 Model Aviation Cox 049 Black WIdow engine mounted Inverted better appearance because top wing rather far forward Wood prop display flies 5-In plastic prop Modified Cox Black Widow 049 ready installation held place screws treat holes drop Hot Stuff pre vent stripping out threads Fuel-proof Inside engine compartment thoroughly First rear two-thIrds wing ribs glued place 1/32 balsa sheeting Hot Stuff sheeting bent overthe more-curved forward part ribs glued B prsterrea view TOFaas top wing appear closer TO tne miaaie man reaiiy ney aimosm equloistant sheeting glued ribs the wing struts Sand Y32 off bottom wing will have its airfoil shape wing two center ribs attach bottom tips made attaching rib sanding sheeting flush bottom match airfoil Cut holes wing sheeting middle bottom wings for Continued page 168 TOP WING 1 IIZIY-H 4 BALSA SHEET -9 MIDDLE 8 i BOTTOM WING 1/8 BALSA SHEET RIBS B WING TIP TOP WING RIB 1/32 BALSA WING SHEETING -ALL WINGS TOP ONLY STABILIZER SHEET JOINER Ii rnvThu41_ MIDDLE WING TO HERE /1/32 SHEET ON BOTTOMBOTTOM WING BOTTOM WINGIOF MIDDLE B BOTTOMTO HERE TIP 1 HERE/4 BALSAWING-THIS AREA TRI-STOCKFUSELAGEI/B BALSA 1/4 BALSA SHEETSHEET COWL-SLAMCUTOUT FORI BELLCRANK /8 BALSA CUT HOLES FOR NEEDLE VALVE 163/16 BALSA FUEL FILLTRI STOCK G 1/B SPRUCE T CABANES SHETQ COX 049 ENGINE 1/16 BALSA SHEET TOP AND BOTTOM MIDDLE B BOTTOM WING RIB SHEET 1/16 MUSIC WIRE WRAP B SOLDE LANDING GEAR DETAIL PLY 1/16 BALSA SHEET RUDDER BELLCRANK /4 TRIMOUNT STOCKII EXITo I2 -1/16 MW 1/16 BALSA SHEETTAILSKID 3/16SIDES LEFT SIDE TRII 16 PLYOMITTED FOR CLARITY K B/C MOUNT FUSELAGECOLOR NOTES RED OVERALL SIDE VIEW WILLIAMS BROS 5 DIACOWL VINTAGE WHEELS WITH WHITE BORDERS-GREY 1/16 PLY LEADOUT GUIDE 1/8 BALSA SHEET II I, LQ SPREADER I/a PLY I/B BALSA SKID FIREWALL 1/16 BALSA 3456 I I J MODEL AVIATION FOKKER DR-I TRIPLANE 1/2 CONTROL LINE DESIGNED BY BILL MICHAELS TRACING BY 30E DEMARCO April 1987 83 Acompieted wing readyto covered Wing tips just extra ribs glued place sanded shape Covering three wings MonoKote will produce sturdy units heat MonoKote evenly avoid warps starts easiermoai iveni w piugIs passea tnrougn landing gear Keep fingers clear ot prop Stan engine flip upright finetune needle valve cd 1 S 01 U 0 S 0 S 0 S U 6 C U S N 0 IA pp p p1h g p BENTOM BROWN JH- CAMPHLLL COMET COVERITE COX DUBRO EASY BUILT MODELS ENYA FAF FLYLINE FOX GOLDBERG GOLDEN AGE REPRO GENE DUBOIS GUILLOW- K&B K&S L R MRC OS MAX PACTRA- PECK-POLYMER PERFECT R N MODELS SEAGLEN SIG STERLING SULLIVAN SUPER TIGRE TAFFINDER TELCO TOP FLITE- TREXLER WILLIAMS & OTHERS ESTES MODEL ROCKETS Send 1100 Csh Check Stanspa oar 44 page tabloid nice DISCOUNT Catalog 900 illustrations over 700 Kits choose MAILORDER PHONEORDER IN STORE PENN VALLEY HOllY CENTER 87 WMain St Lansdalsla19446 Problems lems Splitting thin ribs pinning Keeping ribs square vertical straight Strong glue joints Stop Dont ruin new airplane wing tail-2/ What Need Are NEW Joint Points come 5 slot sizes 1/16 3/32 1/8 3/16 1/4 2 Makes perfect strong joint Needs no pins Distributes point loading compression tension torque Ask Favorite Hobby Dealer forJOIflt Points Packagel2pcsea $119 Su-Pr-Line product AI-Tec Products Inc Sidney Ohio 5 Glue leading trailing edge strips thinly-spread epoxy Hold strips place tape epoxy sets Sand leading trailing edges correct shape must smooth transition foam core trailing edge balsa skin will overlap aid sanding balsa sanding foam tape piece lightweight cardboard such notebook divider over foam butted against balsa blocksand Photo 12 Probably will have replace cardboard several times before finished balsa smooth cardboard re -move cardboard carefully sand until balsa smooth foam balsa skin overlap leading edge balsa leading edge should sanded similar fashion An alternate method glue sand leading edge balsa after balsa skin has glued Preparatory skinning wing blocksand foam core lightly want smooth ridges Dont go overboard foam thin fragile Vacuum sanded foam core care skin will /16 sheet contest balsa Edge-glue enough sheets together get width necessary cover side Mix enough 45-mm epoxy cover two skins Apply epoxy skin use playing card spread remove excess just right balsa skin will damp epoxy Lightly coat trailing edge leading edge overlap plywood spar edge excess epoxy will add weight provide strength skins applied cavity cores place added rigidity Starting leading edge roll skin over core would same using contact cement instead epoxy same skin other side Place subassembly back outer core saddles sandwiched together add weights top outer core saddies compress everything epoxy curing Make bellcrank assembly lead-outs Bush lead-outs 6 brass tubing through bellcrank Slip leadout through 1-in length tubing Slide tubing through bellcrank bend tubing smooth radius Make leadout cable connections per AMA rule book see Photo 13 Assemble bellcrank pushrod must secured bellcrank way interfere movement Notch inboard wing bellcrank support pushrod exit pushrod should installed bends between flap horn bellcrank might require larger exit notch normal Epoxy bellcrank assembly inboard wing Make sure operation smooth before going further Both wing halves now ready epoxy together outer core saddles provide support alignment both inboard edges trim away excess balsa skin foam cores should square sanded Remove cavity cores Lightly coat foam cores balsa skin inboard edges 45-mm epoxy Position two edges together core saddies trailing edges must straight alignment Photo 14 Allow epoxy set Cut two x 1-in plywood bellcrank supports Drill through centers epoxy wing skin will give bellcmank area enough strength 40-lb pull tests wing butt joint must reinforced 1-in strips fiberglass Lay down fiberglass brush epoxy through Remove excess epoxy playing card keep weight down wing condition described should now weighed used competitive Precision Aerobatics aircraft should 8 oz wing too heavy think uses other com petitions likely reason- tooheavy wing use ofA6 balsa other lightweight contest variety Building foam-core wing CL Pre cision Aerobatics beyond capa bilities average modeler com pleted wing will use about $10 worth materials take about 10 manhours time Making templates takes about half time making additional wings same design can done about five hours foam-core wing general easier faster always straighter built-up wing Installing wing tips flaps part article thanks Bob Vogel good friend photographic hobbyist pictures article Fokker/M ichaels Continued page 83 wing covered same man ner Use piece MonoKote starting attaching top trailing edge wrapping around rear wing across bottom attaching leading edge material attached top surface handy MonoKote can cover wing tips along rest wing prefer cover tips first rest wing piece Glue three pennies tip weight right tip bottom wing tail surfaces made /it-in sheet balsa easy assemble rudder made three pieces wood grain running directions shown plans Building rudder way makes stronger made piece elevators joined piece /16-in music wire attached stab strip MonoKote ironed across top gap serve hinge sure gap between two pieces wide enough allow elevator deflect downwards well upwards 168 Model Aviation 37K25-ACE Handrills Set$1350 37K26ACE Handrills Handles/Stand Only.. $900 37K2BACE Marking Gauge$395 37K24ACE CGjDihedral Stand$395 37K100-ACE Long Drill Bits 6 set 5*1095 37K120ACE Long Drill Bits 12 set 5..$2395 37K1 30-ACE Drill Tap Set 8 pieces$1495 37K140ACE Die Set 8 pieces.$2750 Drill bits Taps Dies may order individually ordered direct add $200 Complete catalog $200 Phone 8161 584-7121 Address 116W 19th St PO Box 511ES Higgineville MO Zip 64037 Fuselage Drill small holes firewall engine mounting screws go Prepare /16-in balsa fuselage sides gluing Y16-in tri stock along rear edges fuselage Make sure build left right side Glue -in tri bellcrank mount supports rear firewall braces place Glue firewall bellcrank mount rear -in balsa bulkhead fuselage sides Make sure thing square point youll end up warped fuselage dry add YI6-in tri braces front firewall n 7I Bend tail skid /16-in music wire epoxy front side rear bulkhead Plank fuselage bottom aft wing /16-in balsa grain going across fuselage Bend pushrod shape install bellcrank Glue stab position check make sure no binding slop anywhere control system well plank top fuselage aft wing lead-outs installed before middle wing glued Attach two /16-in pieces make up rear fuselage under stab Now good time modify engine will using engine needs have cylinder turned 1800 points downward removing four screws back fuel tank rotate tank 1800 replace screws cowl made three pieces balsa sandwiched together cut out clear engine chose Cox 049 Black Widow model cowl designed clear prop spring starter using shorter engine such Babe Bee 049 shorten cowl leaving off outermost piece -in balsa Glue -in triangular cowl supports along front fuselage sides Glue /8-in balsa fuselage top place front fuselage dry sand April 1987 169 1IC N SPIHh111 W PCE MY LPNDING MAY VIOl PERFECT BUT ThY AUIT THAT BAD C CHIPLS 84 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture f carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 F S Send catalog modelers safety supplies QUAY BARMR MODELS STRING f\sszsflE\ SEMI-KiT KIT$15495 sIck Rivets EPOXY/GLASS/FOBA~\.J CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS 8 to 10 lbs weight 790 sq wing area 60 2 stroke 12 4 stroke kit prices plus shipping scredit cards welcome Ohio residents add 6 1 216 7774172 SEMIKIT $11995 KIT$15495 Cosmic Wind SEMI-KIT $10995 KIT514495 1 27108 Butternut RidgeNorth Olmsted Ohio 44070 oooooooo * VIDEO 0 o Hedge Hoppin Vol 3 Special Feature WarbirdO ction Tos Model Q ztion Interviews Scale 0 Concorde SST Retail 0 6Th 1 Basic Construction Beginner 107 Mm 4995 2 Basic flight Training Beginners 65 Mm 4495 W Mod aon 9OMn 4495 SSMn3995 Arp OMnWd 39950 ScaleMasters 60Mm 7 Warbirds Action 75Mm Fantastic 8 HedgeHoppinVoll 45Mm 4195 9 Which Way Up 70 Mm Aerobatirsi . OHedgeHoppnVo 2 40Mm4195 llHedgeHoppnVo 330Mm A Hedge Hopp n Series Feature Variety Asmia- * boo Top cs Full Scale & Model W pECEcI 11 AAF INTELLIGENCE SUM-@ MARY ON JAPANESE AIR COMBAT C TACTICS WIREG PURCHASE OF 0 HEDGE HOPPIN VOL 2 OR WAR- W BIRDS IN ACTIONC BEGINNERS PACKAGE OFFER Purchase Basic Con structlon program egular pnc ecawe Basc Fight Tainng 30 off etal Save W aSI39&~C BUY OR RENT IWO 0 oO 1yhS TAPES GET 3RD VIDEO AT 50% OFF C rdering InformationC Rentals $1496 Rental DeposIt Retail Price Tape C Rental DuratIon 7 Days Aher Delivery Payment Check 10 days MO. Vlsa/MC Card #C p & Eap Date Phone 9 CODs Available Phone. ShIpping 375 Foreign Canada Add 10% TotalC Others 15% 10 Res Add 7% Tam emy AvIatIon R& D PO Box 277 C Hazel Crest IL 60429 3350776 C0C@C@a@C@aOc@Q 170Model Aviation corners round smoothing fuse lage Cut away material make enough room engine screw driver tighten screws Cut holes fuselage top needle valve fuel filler Cover fuselage MonoKote paint inside engine compartment fuel-proof dope Attach lead-outs bellcrax1k glue bottom middle wings place Make sure parallel other sure cut away covering provide good woodto-wood joint Install spruce wing struts lead-out guide Cut holes bottom top wing struts cabanes Glue top wing wing struts making sure parallel middle wing wing set add cabane struts Bend Vag-in music wire shape shown plans Put wheels axle bend ends wont fall off Attach axle landing gear setting place wrapping joint fine wire can reinforce wire joint soldering didnt find necessary model Glue landing gear model rear crossbar epoxied bottom firewall front legs epoxied -in triangular cowl supports inside engine compartment Attach axle wing axle epoxy dab epoxy between axle wing finewire landing gear leg/axle joint will keep axle wing rotating Finishing now isnt much left Glue rudder place -in offset right Make markings black white trim regular Mono Kote added single machine gun made scrap balsa left off second could reach needle valve Install engine adding washer offset outside circle Finally check balance point Flying Fly model 30- 35-ft lines found easier start engine plane inverted flip over finetune needle valve Remember keep fingers away prop Pass wires starting battery through land ing gear less likely get Caught prop Adjust needle valve behind top wing front DR-i will leap air after short takeoff run flies well fairly maneuverable good gliderso ready engine quits TR 260 Berliner Continued page 94 lybdenum steel US covered unidirectional fiberglass wings built up hemlock pine oovered 2Yzmm 450 mahogany plywood ribs spaced 12 apart airfoil modified NACA 21000 series *ThES --..1 ~laIonTooIa caauis reeu Ce 21 GUI Sates Rd S2OOCatalogj 54 Seelnleld0No 43506 513-322-8562 NFO CONSTRUCT ON 1 REVIEW S HOW TO S S Mc n M 4 Ms0e ec Dee moe 2] ache ho MO 5 ROAMIN RESEARCH 9 .$r IISUIDesestOs omed P Serd SSAE lot catalog shgg camp e t ne UTI V Oop5rlnr Omun4 Ct5blilty 50545 ColtS protection trom tiposom Tie namase toCfltisttt tOt trClfllng Fit cii skid seine ifletelle minutes conplet witS tuli HELICOPTERInetmotinne BALL SKIDS11995 eGI mrrmrr. oruMDcRt4atttonWe26204 l2esteld FLYING SCALE MODEL RIC PLANS Super Detail os Instruction Sheets __Smith Plans 19163 Shadowoad Dr Send SASE listMonument CO 80132 LAThES ING MACSHIO KI tISPIUPPLIO Asietion Model BLUED%E [JO/ MACHINERY ANOLS 7] POAae53SY ,InWV25A2S N, Csiotoes Si354052 3535essi o200raees sd ioiifn-unosreborforoMsrnaedqeecorio & WOeLOS elasesr suns noun-n seevime reun Coon-u PAcKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING 0*55 Esiaruieg 00 Catalog 0 300 SCALE PlANS PHOTO SEB VICE 3209 M5disOo Greensboro NC 27403 phone t 191912925239 No coliecti PUAW DIESELS EngIands Finest 049 35 R/C STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388
Edition: Model Aviation - 1987/04
Page Numbers: 81, 82, 83, 168, 169, 170
OF ALL THE fighter planes World War German Fokker DR-i probably best known people virtually no knowledge aviation history recognize Red Barons airplane success Baron von Richtofen other aces en joyed flying DR-i certainly con tributed planes fame course its distinctive appearance no doubt helped secure its place aviation history well Actually DR-i saw front-line service fairly short period time rapid advances aircraft design power plants during WW planes became ob solete faster todays computer systems DR-i entered service end August 1917 retired combat nine months later May 1918 think DR-i first successful triplane miscon ception idea triplane came Anthony Fokker 1917 after observed maneuverability high rate climb British Sopwith Triplane Fokker returned factory chief engineer Reinhold Platz design triplane fighter Included Platzs design armament two machine guns marked improvement over Sopwiths armament gun DR-is strengths its excellent maneuverability high rate climb powerful armament dogfight out classed Allied planes except Sopwith Camel Its weaknesses included low maximum speed poor performance high altitudes fault low-power Oberusel rotary engine suitable power plant available Fokker time April 1987 81 its size simplicity semiscale 1/2A Control Line model has lots eye appeal Its certainly different other models will find flying circle model compact 12 wingspan nearlyall-sheet construction Shorttaii moment offset fairiy small elevators model fairly easy fly lead-out guide made 1/16 ply lead-outs run under middle wing keep construction simple Machine gun made scrap balsa Cockpit opening black oval Trim MonoKote Easy-to-make markings vintage wheels wood prop add character model semi-Sport stand-wayoff Scale design looks better profile model still easy build Covered bright red MonoKote simple-to-make markings model really eye-catcher Construction Use cyranoacrylate CyA everywhere except firewall landing gear glued epoxy Cut out parts first test-fit before beginning construction Any plastic iron-on covering such MonoKote can used Begin building wings first bottom middle wing use same rib pattern same except middle wing longer procedure same three wings Start cutting out top sheeting 2 balsa Make about /16 wider cord dimension allow longer path caused curvature wings upper surface Draw lines inside sufface ribs Left Belicrank mounted anal/i 6 ply flooriust aft firewall Lead-outs attached before middle wing glued place Note middle wing leading edge forward firewall Right Cowl made three layers -In balsa glued place sanded shape Square opening needed access engine mounting screws Tn-stock balsa braces engine compartment will glued Glue rear half rib sheet making sure end ribs trailing edge sheeting ribs place top sheeting bent around sharper curve front half ribs After building wing hard way discovered easier method First moisten first 1 leading edge sheeting outside curve Bend sheet about halfway want end up apply CyA hold what youve done far Repeat procedure back half sheeting An easy way bend sheet equally across span start wing laying upside down flat work bench lift trailing edge keeping leading edge workbench moving rocking-chair motion 82 Model Aviation Cox 049 Black WIdow engine mounted Inverted better appearance because top wing rather far forward Wood prop display flies 5-In plastic prop Modified Cox Black Widow 049 ready installation held place screws treat holes drop Hot Stuff pre vent stripping out threads Fuel-proof Inside engine compartment thoroughly First rear two-thIrds wing ribs glued place 1/32 balsa sheeting Hot Stuff sheeting bent overthe more-curved forward part ribs glued B prsterrea view TOFaas top wing appear closer TO tne miaaie man reaiiy ney aimosm equloistant sheeting glued ribs the wing struts Sand Y32 off bottom wing will have its airfoil shape wing two center ribs attach bottom tips made attaching rib sanding sheeting flush bottom match airfoil Cut holes wing sheeting middle bottom wings for Continued page 168 TOP WING 1 IIZIY-H 4 BALSA SHEET -9 MIDDLE 8 i BOTTOM WING 1/8 BALSA SHEET RIBS B WING TIP TOP WING RIB 1/32 BALSA WING SHEETING -ALL WINGS TOP ONLY STABILIZER SHEET JOINER Ii rnvThu41_ MIDDLE WING TO HERE /1/32 SHEET ON BOTTOMBOTTOM WING BOTTOM WINGIOF MIDDLE B BOTTOMTO HERE TIP 1 HERE/4 BALSAWING-THIS AREA TRI-STOCKFUSELAGEI/B BALSA 1/4 BALSA SHEETSHEET COWL-SLAMCUTOUT FORI BELLCRANK /8 BALSA CUT HOLES FOR NEEDLE VALVE 163/16 BALSA FUEL FILLTRI STOCK G 1/B SPRUCE T CABANES SHETQ COX 049 ENGINE 1/16 BALSA SHEET TOP AND BOTTOM MIDDLE B BOTTOM WING RIB SHEET 1/16 MUSIC WIRE WRAP B SOLDE LANDING GEAR DETAIL PLY 1/16 BALSA SHEET RUDDER BELLCRANK /4 TRIMOUNT STOCKII EXITo I2 -1/16 MW 1/16 BALSA SHEETTAILSKID 3/16SIDES LEFT SIDE TRII 16 PLYOMITTED FOR CLARITY K B/C MOUNT FUSELAGECOLOR NOTES RED OVERALL SIDE VIEW WILLIAMS BROS 5 DIACOWL VINTAGE WHEELS WITH WHITE BORDERS-GREY 1/16 PLY LEADOUT GUIDE 1/8 BALSA SHEET II I, LQ SPREADER I/a PLY I/B BALSA SKID FIREWALL 1/16 BALSA 3456 I I J MODEL AVIATION FOKKER DR-I TRIPLANE 1/2 CONTROL LINE DESIGNED BY BILL MICHAELS TRACING BY 30E DEMARCO April 1987 83 Acompieted wing readyto covered Wing tips just extra ribs glued place sanded shape Covering three wings MonoKote will produce sturdy units heat MonoKote evenly avoid warps starts easiermoai iveni w piugIs passea tnrougn landing gear Keep fingers clear ot prop Stan engine flip upright finetune needle valve cd 1 S 01 U 0 S 0 S 0 S U 6 C U S N 0 IA pp p p1h g p BENTOM BROWN JH- CAMPHLLL COMET COVERITE COX DUBRO EASY BUILT MODELS ENYA FAF FLYLINE FOX GOLDBERG GOLDEN AGE REPRO GENE DUBOIS GUILLOW- K&B K&S L R MRC OS MAX PACTRA- PECK-POLYMER PERFECT R N MODELS SEAGLEN SIG STERLING SULLIVAN SUPER TIGRE TAFFINDER TELCO TOP FLITE- TREXLER WILLIAMS & OTHERS ESTES MODEL ROCKETS Send 1100 Csh Check Stanspa oar 44 page tabloid nice DISCOUNT Catalog 900 illustrations over 700 Kits choose MAILORDER PHONEORDER IN STORE PENN VALLEY HOllY CENTER 87 WMain St Lansdalsla19446 Problems lems Splitting thin ribs pinning Keeping ribs square vertical straight Strong glue joints Stop Dont ruin new airplane wing tail-2/ What Need Are NEW Joint Points come 5 slot sizes 1/16 3/32 1/8 3/16 1/4 2 Makes perfect strong joint Needs no pins Distributes point loading compression tension torque Ask Favorite Hobby Dealer forJOIflt Points Packagel2pcsea $119 Su-Pr-Line product AI-Tec Products Inc Sidney Ohio 5 Glue leading trailing edge strips thinly-spread epoxy Hold strips place tape epoxy sets Sand leading trailing edges correct shape must smooth transition foam core trailing edge balsa skin will overlap aid sanding balsa sanding foam tape piece lightweight cardboard such notebook divider over foam butted against balsa blocksand Photo 12 Probably will have replace cardboard several times before finished balsa smooth cardboard re -move cardboard carefully sand until balsa smooth foam balsa skin overlap leading edge balsa leading edge should sanded similar fashion An alternate method glue sand leading edge balsa after balsa skin has glued Preparatory skinning wing blocksand foam core lightly want smooth ridges Dont go overboard foam thin fragile Vacuum sanded foam core care skin will /16 sheet contest balsa Edge-glue enough sheets together get width necessary cover side Mix enough 45-mm epoxy cover two skins Apply epoxy skin use playing card spread remove excess just right balsa skin will damp epoxy Lightly coat trailing edge leading edge overlap plywood spar edge excess epoxy will add weight provide strength skins applied cavity cores place added rigidity Starting leading edge roll skin over core would same using contact cement instead epoxy same skin other side Place subassembly back outer core saddles sandwiched together add weights top outer core saddies compress everything epoxy curing Make bellcrank assembly lead-outs Bush lead-outs 6 brass tubing through bellcrank Slip leadout through 1-in length tubing Slide tubing through bellcrank bend tubing smooth radius Make leadout cable connections per AMA rule book see Photo 13 Assemble bellcrank pushrod must secured bellcrank way interfere movement Notch inboard wing bellcrank support pushrod exit pushrod should installed bends between flap horn bellcrank might require larger exit notch normal Epoxy bellcrank assembly inboard wing Make sure operation smooth before going further Both wing halves now ready epoxy together outer core saddles provide support alignment both inboard edges trim away excess balsa skin foam cores should square sanded Remove cavity cores Lightly coat foam cores balsa skin inboard edges 45-mm epoxy Position two edges together core saddies trailing edges must straight alignment Photo 14 Allow epoxy set Cut two x 1-in plywood bellcrank supports Drill through centers epoxy wing skin will give bellcmank area enough strength 40-lb pull tests wing butt joint must reinforced 1-in strips fiberglass Lay down fiberglass brush epoxy through Remove excess epoxy playing card keep weight down wing condition described should now weighed used competitive Precision Aerobatics aircraft should 8 oz wing too heavy think uses other com petitions likely reason- tooheavy wing use ofA6 balsa other lightweight contest variety Building foam-core wing CL Pre cision Aerobatics beyond capa bilities average modeler com pleted wing will use about $10 worth materials take about 10 manhours time Making templates takes about half time making additional wings same design can done about five hours foam-core wing general easier faster always straighter built-up wing Installing wing tips flaps part article thanks Bob Vogel good friend photographic hobbyist pictures article Fokker/M ichaels Continued page 83 wing covered same man ner Use piece MonoKote starting attaching top trailing edge wrapping around rear wing across bottom attaching leading edge material attached top surface handy MonoKote can cover wing tips along rest wing prefer cover tips first rest wing piece Glue three pennies tip weight right tip bottom wing tail surfaces made /it-in sheet balsa easy assemble rudder made three pieces wood grain running directions shown plans Building rudder way makes stronger made piece elevators joined piece /16-in music wire attached stab strip MonoKote ironed across top gap serve hinge sure gap between two pieces wide enough allow elevator deflect downwards well upwards 168 Model Aviation 37K25-ACE Handrills Set$1350 37K26ACE Handrills Handles/Stand Only.. $900 37K2BACE Marking Gauge$395 37K24ACE CGjDihedral Stand$395 37K100-ACE Long Drill Bits 6 set 5*1095 37K120ACE Long Drill Bits 12 set 5..$2395 37K1 30-ACE Drill Tap Set 8 pieces$1495 37K140ACE Die Set 8 pieces.$2750 Drill bits Taps Dies may order individually ordered direct add $200 Complete catalog $200 Phone 8161 584-7121 Address 116W 19th St PO Box 511ES Higgineville MO Zip 64037 Fuselage Drill small holes firewall engine mounting screws go Prepare /16-in balsa fuselage sides gluing Y16-in tri stock along rear edges fuselage Make sure build left right side Glue -in tri bellcrank mount supports rear firewall braces place Glue firewall bellcrank mount rear -in balsa bulkhead fuselage sides Make sure thing square point youll end up warped fuselage dry add YI6-in tri braces front firewall n 7I Bend tail skid /16-in music wire epoxy front side rear bulkhead Plank fuselage bottom aft wing /16-in balsa grain going across fuselage Bend pushrod shape install bellcrank Glue stab position check make sure no binding slop anywhere control system well plank top fuselage aft wing lead-outs installed before middle wing glued Attach two /16-in pieces make up rear fuselage under stab Now good time modify engine will using engine needs have cylinder turned 1800 points downward removing four screws back fuel tank rotate tank 1800 replace screws cowl made three pieces balsa sandwiched together cut out clear engine chose Cox 049 Black Widow model cowl designed clear prop spring starter using shorter engine such Babe Bee 049 shorten cowl leaving off outermost piece -in balsa Glue -in triangular cowl supports along front fuselage sides Glue /8-in balsa fuselage top place front fuselage dry sand April 1987 169 1IC N SPIHh111 W PCE MY LPNDING MAY VIOl PERFECT BUT ThY AUIT THAT BAD C CHIPLS 84 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture f carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 F S Send catalog modelers safety supplies QUAY BARMR MODELS STRING f\sszsflE\ SEMI-KiT KIT$15495 sIck Rivets EPOXY/GLASS/FOBA~\.J CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS 8 to 10 lbs weight 790 sq wing area 60 2 stroke 12 4 stroke kit prices plus shipping scredit cards welcome Ohio residents add 6 1 216 7774172 SEMIKIT $11995 KIT$15495 Cosmic Wind SEMI-KIT $10995 KIT514495 1 27108 Butternut RidgeNorth Olmsted Ohio 44070 oooooooo * VIDEO 0 o Hedge Hoppin Vol 3 Special Feature WarbirdO ction Tos Model Q ztion Interviews Scale 0 Concorde SST Retail 0 6Th 1 Basic Construction Beginner 107 Mm 4995 2 Basic flight Training Beginners 65 Mm 4495 W Mod aon 9OMn 4495 SSMn3995 Arp OMnWd 39950 ScaleMasters 60Mm 7 Warbirds Action 75Mm Fantastic 8 HedgeHoppinVoll 45Mm 4195 9 Which Way Up 70 Mm Aerobatirsi . OHedgeHoppnVo 2 40Mm4195 llHedgeHoppnVo 330Mm A Hedge Hopp n Series Feature Variety Asmia- * boo Top cs Full Scale & Model W pECEcI 11 AAF INTELLIGENCE SUM-@ MARY ON JAPANESE AIR COMBAT C TACTICS WIREG PURCHASE OF 0 HEDGE HOPPIN VOL 2 OR WAR- W BIRDS IN ACTIONC BEGINNERS PACKAGE OFFER Purchase Basic Con structlon program egular pnc ecawe Basc Fight Tainng 30 off etal Save W aSI39&~C BUY OR RENT IWO 0 oO 1yhS TAPES GET 3RD VIDEO AT 50% OFF C rdering InformationC Rentals $1496 Rental DeposIt Retail Price Tape C Rental DuratIon 7 Days Aher Delivery Payment Check 10 days MO. Vlsa/MC Card #C p & Eap Date Phone 9 CODs Available Phone. ShIpping 375 Foreign Canada Add 10% TotalC Others 15% 10 Res Add 7% Tam emy AvIatIon R& D PO Box 277 C Hazel Crest IL 60429 3350776 C0C@C@a@C@aOc@Q 170Model Aviation corners round smoothing fuse lage Cut away material make enough room engine screw driver tighten screws Cut holes fuselage top needle valve fuel filler Cover fuselage MonoKote paint inside engine compartment fuel-proof dope Attach lead-outs bellcrax1k glue bottom middle wings place Make sure parallel other sure cut away covering provide good woodto-wood joint Install spruce wing struts lead-out guide Cut holes bottom top wing struts cabanes Glue top wing wing struts making sure parallel middle wing wing set add cabane struts Bend Vag-in music wire shape shown plans Put wheels axle bend ends wont fall off Attach axle landing gear setting place wrapping joint fine wire can reinforce wire joint soldering didnt find necessary model Glue landing gear model rear crossbar epoxied bottom firewall front legs epoxied -in triangular cowl supports inside engine compartment Attach axle wing axle epoxy dab epoxy between axle wing finewire landing gear leg/axle joint will keep axle wing rotating Finishing now isnt much left Glue rudder place -in offset right Make markings black white trim regular Mono Kote added single machine gun made scrap balsa left off second could reach needle valve Install engine adding washer offset outside circle Finally check balance point Flying Fly model 30- 35-ft lines found easier start engine plane inverted flip over finetune needle valve Remember keep fingers away prop Pass wires starting battery through land ing gear less likely get Caught prop Adjust needle valve behind top wing front DR-i will leap air after short takeoff run flies well fairly maneuverable good gliderso ready engine quits TR 260 Berliner Continued page 94 lybdenum steel US covered unidirectional fiberglass wings built up hemlock pine oovered 2Yzmm 450 mahogany plywood ribs spaced 12 apart airfoil modified NACA 21000 series *ThES --..1 ~laIonTooIa caauis reeu Ce 21 GUI Sates Rd S2OOCatalogj 54 Seelnleld0No 43506 513-322-8562 NFO CONSTRUCT ON 1 REVIEW S HOW TO S S Mc n M 4 Ms0e ec Dee moe 2] ache ho MO 5 ROAMIN RESEARCH 9 .$r IISUIDesestOs omed P Serd SSAE lot catalog shgg camp e t ne UTI V Oop5rlnr Omun4 Ct5blilty 50545 ColtS protection trom tiposom Tie namase toCfltisttt tOt trClfllng Fit cii skid seine ifletelle minutes conplet witS tuli HELICOPTERInetmotinne BALL SKIDS11995 eGI mrrmrr. oruMDcRt4atttonWe26204 l2esteld FLYING SCALE MODEL RIC PLANS Super Detail os Instruction Sheets __Smith Plans 19163 Shadowoad Dr Send SASE listMonument CO 80132 LAThES ING MACSHIO KI tISPIUPPLIO Asietion Model BLUED%E [JO/ MACHINERY ANOLS 7] POAae53SY ,InWV25A2S N, Csiotoes Si354052 3535essi o200raees sd ioiifn-unosreborforoMsrnaedqeecorio & WOeLOS elasesr suns noun-n seevime reun Coon-u PAcKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING 0*55 Esiaruieg 00 Catalog 0 300 SCALE PlANS PHOTO SEB VICE 3209 M5disOo Greensboro NC 27403 phone t 191912925239 No coliecti PUAW DIESELS EngIands Finest 049 35 R/C STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388
Edition: Model Aviation - 1987/04
Page Numbers: 81, 82, 83, 168, 169, 170
OF ALL THE fighter planes World War German Fokker DR-i probably best known people virtually no knowledge aviation history recognize Red Barons airplane success Baron von Richtofen other aces en joyed flying DR-i certainly con tributed planes fame course its distinctive appearance no doubt helped secure its place aviation history well Actually DR-i saw front-line service fairly short period time rapid advances aircraft design power plants during WW planes became ob solete faster todays computer systems DR-i entered service end August 1917 retired combat nine months later May 1918 think DR-i first successful triplane miscon ception idea triplane came Anthony Fokker 1917 after observed maneuverability high rate climb British Sopwith Triplane Fokker returned factory chief engineer Reinhold Platz design triplane fighter Included Platzs design armament two machine guns marked improvement over Sopwiths armament gun DR-is strengths its excellent maneuverability high rate climb powerful armament dogfight out classed Allied planes except Sopwith Camel Its weaknesses included low maximum speed poor performance high altitudes fault low-power Oberusel rotary engine suitable power plant available Fokker time April 1987 81 its size simplicity semiscale 1/2A Control Line model has lots eye appeal Its certainly different other models will find flying circle model compact 12 wingspan nearlyall-sheet construction Shorttaii moment offset fairiy small elevators model fairly easy fly lead-out guide made 1/16 ply lead-outs run under middle wing keep construction simple Machine gun made scrap balsa Cockpit opening black oval Trim MonoKote Easy-to-make markings vintage wheels wood prop add character model semi-Sport stand-wayoff Scale design looks better profile model still easy build Covered bright red MonoKote simple-to-make markings model really eye-catcher Construction Use cyranoacrylate CyA everywhere except firewall landing gear glued epoxy Cut out parts first test-fit before beginning construction Any plastic iron-on covering such MonoKote can used Begin building wings first bottom middle wing use same rib pattern same except middle wing longer procedure same three wings Start cutting out top sheeting 2 balsa Make about /16 wider cord dimension allow longer path caused curvature wings upper surface Draw lines inside sufface ribs Left Belicrank mounted anal/i 6 ply flooriust aft firewall Lead-outs attached before middle wing glued place Note middle wing leading edge forward firewall Right Cowl made three layers -In balsa glued place sanded shape Square opening needed access engine mounting screws Tn-stock balsa braces engine compartment will glued Glue rear half rib sheet making sure end ribs trailing edge sheeting ribs place top sheeting bent around sharper curve front half ribs After building wing hard way discovered easier method First moisten first 1 leading edge sheeting outside curve Bend sheet about halfway want end up apply CyA hold what youve done far Repeat procedure back half sheeting An easy way bend sheet equally across span start wing laying upside down flat work bench lift trailing edge keeping leading edge workbench moving rocking-chair motion 82 Model Aviation Cox 049 Black WIdow engine mounted Inverted better appearance because top wing rather far forward Wood prop display flies 5-In plastic prop Modified Cox Black Widow 049 ready installation held place screws treat holes drop Hot Stuff pre vent stripping out threads Fuel-proof Inside engine compartment thoroughly First rear two-thIrds wing ribs glued place 1/32 balsa sheeting Hot Stuff sheeting bent overthe more-curved forward part ribs glued B prsterrea view TOFaas top wing appear closer TO tne miaaie man reaiiy ney aimosm equloistant sheeting glued ribs the wing struts Sand Y32 off bottom wing will have its airfoil shape wing two center ribs attach bottom tips made attaching rib sanding sheeting flush bottom match airfoil Cut holes wing sheeting middle bottom wings for Continued page 168 TOP WING 1 IIZIY-H 4 BALSA SHEET -9 MIDDLE 8 i BOTTOM WING 1/8 BALSA SHEET RIBS B WING TIP TOP WING RIB 1/32 BALSA WING SHEETING -ALL WINGS TOP ONLY STABILIZER SHEET JOINER Ii rnvThu41_ MIDDLE WING TO HERE /1/32 SHEET ON BOTTOMBOTTOM WING BOTTOM WINGIOF MIDDLE B BOTTOMTO HERE TIP 1 HERE/4 BALSAWING-THIS AREA TRI-STOCKFUSELAGEI/B BALSA 1/4 BALSA SHEETSHEET COWL-SLAMCUTOUT FORI BELLCRANK /8 BALSA CUT HOLES FOR NEEDLE VALVE 163/16 BALSA FUEL FILLTRI STOCK G 1/B SPRUCE T CABANES SHETQ COX 049 ENGINE 1/16 BALSA SHEET TOP AND BOTTOM MIDDLE B BOTTOM WING RIB SHEET 1/16 MUSIC WIRE WRAP B SOLDE LANDING GEAR DETAIL PLY 1/16 BALSA SHEET RUDDER BELLCRANK /4 TRIMOUNT STOCKII EXITo I2 -1/16 MW 1/16 BALSA SHEETTAILSKID 3/16SIDES LEFT SIDE TRII 16 PLYOMITTED FOR CLARITY K B/C MOUNT FUSELAGECOLOR NOTES RED OVERALL SIDE VIEW WILLIAMS BROS 5 DIACOWL VINTAGE WHEELS WITH WHITE BORDERS-GREY 1/16 PLY LEADOUT GUIDE 1/8 BALSA SHEET II I, LQ SPREADER I/a PLY I/B BALSA SKID FIREWALL 1/16 BALSA 3456 I I J MODEL AVIATION FOKKER DR-I TRIPLANE 1/2 CONTROL LINE DESIGNED BY BILL MICHAELS TRACING BY 30E DEMARCO April 1987 83 Acompieted wing readyto covered Wing tips just extra ribs glued place sanded shape Covering three wings MonoKote will produce sturdy units heat MonoKote evenly avoid warps starts easiermoai iveni w piugIs passea tnrougn landing gear Keep fingers clear ot prop Stan engine flip upright finetune needle valve cd 1 S 01 U 0 S 0 S 0 S U 6 C U S N 0 IA pp p p1h g p BENTOM BROWN JH- CAMPHLLL COMET COVERITE COX DUBRO EASY BUILT MODELS ENYA FAF FLYLINE FOX GOLDBERG GOLDEN AGE REPRO GENE DUBOIS GUILLOW- K&B K&S L R MRC OS MAX PACTRA- PECK-POLYMER PERFECT R N MODELS SEAGLEN SIG STERLING SULLIVAN SUPER TIGRE TAFFINDER TELCO TOP FLITE- TREXLER WILLIAMS & OTHERS ESTES MODEL ROCKETS Send 1100 Csh Check Stanspa oar 44 page tabloid nice DISCOUNT Catalog 900 illustrations over 700 Kits choose MAILORDER PHONEORDER IN STORE PENN VALLEY HOllY CENTER 87 WMain St Lansdalsla19446 Problems lems Splitting thin ribs pinning Keeping ribs square vertical straight Strong glue joints Stop Dont ruin new airplane wing tail-2/ What Need Are NEW Joint Points come 5 slot sizes 1/16 3/32 1/8 3/16 1/4 2 Makes perfect strong joint Needs no pins Distributes point loading compression tension torque Ask Favorite Hobby Dealer forJOIflt Points Packagel2pcsea $119 Su-Pr-Line product AI-Tec Products Inc Sidney Ohio 5 Glue leading trailing edge strips thinly-spread epoxy Hold strips place tape epoxy sets Sand leading trailing edges correct shape must smooth transition foam core trailing edge balsa skin will overlap aid sanding balsa sanding foam tape piece lightweight cardboard such notebook divider over foam butted against balsa blocksand Photo 12 Probably will have replace cardboard several times before finished balsa smooth cardboard re -move cardboard carefully sand until balsa smooth foam balsa skin overlap leading edge balsa leading edge should sanded similar fashion An alternate method glue sand leading edge balsa after balsa skin has glued Preparatory skinning wing blocksand foam core lightly want smooth ridges Dont go overboard foam thin fragile Vacuum sanded foam core care skin will /16 sheet contest balsa Edge-glue enough sheets together get width necessary cover side Mix enough 45-mm epoxy cover two skins Apply epoxy skin use playing card spread remove excess just right balsa skin will damp epoxy Lightly coat trailing edge leading edge overlap plywood spar edge excess epoxy will add weight provide strength skins applied cavity cores place added rigidity Starting leading edge roll skin over core would same using contact cement instead epoxy same skin other side Place subassembly back outer core saddles sandwiched together add weights top outer core saddies compress everything epoxy curing Make bellcrank assembly lead-outs Bush lead-outs 6 brass tubing through bellcrank Slip leadout through 1-in length tubing Slide tubing through bellcrank bend tubing smooth radius Make leadout cable connections per AMA rule book see Photo 13 Assemble bellcrank pushrod must secured bellcrank way interfere movement Notch inboard wing bellcrank support pushrod exit pushrod should installed bends between flap horn bellcrank might require larger exit notch normal Epoxy bellcrank assembly inboard wing Make sure operation smooth before going further Both wing halves now ready epoxy together outer core saddles provide support alignment both inboard edges trim away excess balsa skin foam cores should square sanded Remove cavity cores Lightly coat foam cores balsa skin inboard edges 45-mm epoxy Position two edges together core saddies trailing edges must straight alignment Photo 14 Allow epoxy set Cut two x 1-in plywood bellcrank supports Drill through centers epoxy wing skin will give bellcmank area enough strength 40-lb pull tests wing butt joint must reinforced 1-in strips fiberglass Lay down fiberglass brush epoxy through Remove excess epoxy playing card keep weight down wing condition described should now weighed used competitive Precision Aerobatics aircraft should 8 oz wing too heavy think uses other com petitions likely reason- tooheavy wing use ofA6 balsa other lightweight contest variety Building foam-core wing CL Pre cision Aerobatics beyond capa bilities average modeler com pleted wing will use about $10 worth materials take about 10 manhours time Making templates takes about half time making additional wings same design can done about five hours foam-core wing general easier faster always straighter built-up wing Installing wing tips flaps part article thanks Bob Vogel good friend photographic hobbyist pictures article Fokker/M ichaels Continued page 83 wing covered same man ner Use piece MonoKote starting attaching top trailing edge wrapping around rear wing across bottom attaching leading edge material attached top surface handy MonoKote can cover wing tips along rest wing prefer cover tips first rest wing piece Glue three pennies tip weight right tip bottom wing tail surfaces made /it-in sheet balsa easy assemble rudder made three pieces wood grain running directions shown plans Building rudder way makes stronger made piece elevators joined piece /16-in music wire attached stab strip MonoKote ironed across top gap serve hinge sure gap between two pieces wide enough allow elevator deflect downwards well upwards 168 Model Aviation 37K25-ACE Handrills Set$1350 37K26ACE Handrills Handles/Stand Only.. $900 37K2BACE Marking Gauge$395 37K24ACE CGjDihedral Stand$395 37K100-ACE Long Drill Bits 6 set 5*1095 37K120ACE Long Drill Bits 12 set 5..$2395 37K1 30-ACE Drill Tap Set 8 pieces$1495 37K140ACE Die Set 8 pieces.$2750 Drill bits Taps Dies may order individually ordered direct add $200 Complete catalog $200 Phone 8161 584-7121 Address 116W 19th St PO Box 511ES Higgineville MO Zip 64037 Fuselage Drill small holes firewall engine mounting screws go Prepare /16-in balsa fuselage sides gluing Y16-in tri stock along rear edges fuselage Make sure build left right side Glue -in tri bellcrank mount supports rear firewall braces place Glue firewall bellcrank mount rear -in balsa bulkhead fuselage sides Make sure thing square point youll end up warped fuselage dry add YI6-in tri braces front firewall n 7I Bend tail skid /16-in music wire epoxy front side rear bulkhead Plank fuselage bottom aft wing /16-in balsa grain going across fuselage Bend pushrod shape install bellcrank Glue stab position check make sure no binding slop anywhere control system well plank top fuselage aft wing lead-outs installed before middle wing glued Attach two /16-in pieces make up rear fuselage under stab Now good time modify engine will using engine needs have cylinder turned 1800 points downward removing four screws back fuel tank rotate tank 1800 replace screws cowl made three pieces balsa sandwiched together cut out clear engine chose Cox 049 Black Widow model cowl designed clear prop spring starter using shorter engine such Babe Bee 049 shorten cowl leaving off outermost piece -in balsa Glue -in triangular cowl supports along front fuselage sides Glue /8-in balsa fuselage top place front fuselage dry sand April 1987 169 1IC N SPIHh111 W PCE MY LPNDING MAY VIOl PERFECT BUT ThY AUIT THAT BAD C CHIPLS 84 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture f carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 F S Send catalog modelers safety supplies QUAY BARMR MODELS STRING f\sszsflE\ SEMI-KiT KIT$15495 sIck Rivets EPOXY/GLASS/FOBA~\.J CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS 8 to 10 lbs weight 790 sq wing area 60 2 stroke 12 4 stroke kit prices plus shipping scredit cards welcome Ohio residents add 6 1 216 7774172 SEMIKIT $11995 KIT$15495 Cosmic Wind SEMI-KIT $10995 KIT514495 1 27108 Butternut RidgeNorth Olmsted Ohio 44070 oooooooo * VIDEO 0 o Hedge Hoppin Vol 3 Special Feature WarbirdO ction Tos Model Q ztion Interviews Scale 0 Concorde SST Retail 0 6Th 1 Basic Construction Beginner 107 Mm 4995 2 Basic flight Training Beginners 65 Mm 4495 W Mod aon 9OMn 4495 SSMn3995 Arp OMnWd 39950 ScaleMasters 60Mm 7 Warbirds Action 75Mm Fantastic 8 HedgeHoppinVoll 45Mm 4195 9 Which Way Up 70 Mm Aerobatirsi . OHedgeHoppnVo 2 40Mm4195 llHedgeHoppnVo 330Mm A Hedge Hopp n Series Feature Variety Asmia- * boo Top cs Full Scale & Model W pECEcI 11 AAF INTELLIGENCE SUM-@ MARY ON JAPANESE AIR COMBAT C TACTICS WIREG PURCHASE OF 0 HEDGE HOPPIN VOL 2 OR WAR- W BIRDS IN ACTIONC BEGINNERS PACKAGE OFFER Purchase Basic Con structlon program egular pnc ecawe Basc Fight Tainng 30 off etal Save W aSI39&~C BUY OR RENT IWO 0 oO 1yhS TAPES GET 3RD VIDEO AT 50% OFF C rdering InformationC Rentals $1496 Rental DeposIt Retail Price Tape C Rental DuratIon 7 Days Aher Delivery Payment Check 10 days MO. Vlsa/MC Card #C p & Eap Date Phone 9 CODs Available Phone. ShIpping 375 Foreign Canada Add 10% TotalC Others 15% 10 Res Add 7% Tam emy AvIatIon R& D PO Box 277 C Hazel Crest IL 60429 3350776 C0C@C@a@C@aOc@Q 170Model Aviation corners round smoothing fuse lage Cut away material make enough room engine screw driver tighten screws Cut holes fuselage top needle valve fuel filler Cover fuselage MonoKote paint inside engine compartment fuel-proof dope Attach lead-outs bellcrax1k glue bottom middle wings place Make sure parallel other sure cut away covering provide good woodto-wood joint Install spruce wing struts lead-out guide Cut holes bottom top wing struts cabanes Glue top wing wing struts making sure parallel middle wing wing set add cabane struts Bend Vag-in music wire shape shown plans Put wheels axle bend ends wont fall off Attach axle landing gear setting place wrapping joint fine wire can reinforce wire joint soldering didnt find necessary model Glue landing gear model rear crossbar epoxied bottom firewall front legs epoxied -in triangular cowl supports inside engine compartment Attach axle wing axle epoxy dab epoxy between axle wing finewire landing gear leg/axle joint will keep axle wing rotating Finishing now isnt much left Glue rudder place -in offset right Make markings black white trim regular Mono Kote added single machine gun made scrap balsa left off second could reach needle valve Install engine adding washer offset outside circle Finally check balance point Flying Fly model 30- 35-ft lines found easier start engine plane inverted flip over finetune needle valve Remember keep fingers away prop Pass wires starting battery through land ing gear less likely get Caught prop Adjust needle valve behind top wing front DR-i will leap air after short takeoff run flies well fairly maneuverable good gliderso ready engine quits TR 260 Berliner Continued page 94 lybdenum steel US covered unidirectional fiberglass wings built up hemlock pine oovered 2Yzmm 450 mahogany plywood ribs spaced 12 apart airfoil modified NACA 21000 series *ThES --..1 ~laIonTooIa caauis reeu Ce 21 GUI Sates Rd S2OOCatalogj 54 Seelnleld0No 43506 513-322-8562 NFO CONSTRUCT ON 1 REVIEW S HOW TO S S Mc n M 4 Ms0e ec Dee moe 2] ache ho MO 5 ROAMIN RESEARCH 9 .$r IISUIDesestOs omed P Serd SSAE lot catalog shgg camp e t ne UTI V Oop5rlnr Omun4 Ct5blilty 50545 ColtS protection trom tiposom Tie namase toCfltisttt tOt trClfllng Fit cii skid seine ifletelle minutes conplet witS tuli HELICOPTERInetmotinne BALL SKIDS11995 eGI mrrmrr. oruMDcRt4atttonWe26204 l2esteld FLYING SCALE MODEL RIC PLANS Super Detail os Instruction Sheets __Smith Plans 19163 Shadowoad Dr Send SASE listMonument CO 80132 LAThES ING MACSHIO KI tISPIUPPLIO Asietion Model BLUED%E [JO/ MACHINERY ANOLS 7] POAae53SY ,InWV25A2S N, Csiotoes Si354052 3535essi o200raees sd ioiifn-unosreborforoMsrnaedqeecorio & WOeLOS elasesr suns noun-n seevime reun Coon-u PAcKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING 0*55 Esiaruieg 00 Catalog 0 300 SCALE PlANS PHOTO SEB VICE 3209 M5disOo Greensboro NC 27403 phone t 191912925239 No coliecti PUAW DIESELS EngIands Finest 049 35 R/C STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388
Edition: Model Aviation - 1987/04
Page Numbers: 81, 82, 83, 168, 169, 170
OF ALL THE fighter planes World War German Fokker DR-i probably best known people virtually no knowledge aviation history recognize Red Barons airplane success Baron von Richtofen other aces en joyed flying DR-i certainly con tributed planes fame course its distinctive appearance no doubt helped secure its place aviation history well Actually DR-i saw front-line service fairly short period time rapid advances aircraft design power plants during WW planes became ob solete faster todays computer systems DR-i entered service end August 1917 retired combat nine months later May 1918 think DR-i first successful triplane miscon ception idea triplane came Anthony Fokker 1917 after observed maneuverability high rate climb British Sopwith Triplane Fokker returned factory chief engineer Reinhold Platz design triplane fighter Included Platzs design armament two machine guns marked improvement over Sopwiths armament gun DR-is strengths its excellent maneuverability high rate climb powerful armament dogfight out classed Allied planes except Sopwith Camel Its weaknesses included low maximum speed poor performance high altitudes fault low-power Oberusel rotary engine suitable power plant available Fokker time April 1987 81 its size simplicity semiscale 1/2A Control Line model has lots eye appeal Its certainly different other models will find flying circle model compact 12 wingspan nearlyall-sheet construction Shorttaii moment offset fairiy small elevators model fairly easy fly lead-out guide made 1/16 ply lead-outs run under middle wing keep construction simple Machine gun made scrap balsa Cockpit opening black oval Trim MonoKote Easy-to-make markings vintage wheels wood prop add character model semi-Sport stand-wayoff Scale design looks better profile model still easy build Covered bright red MonoKote simple-to-make markings model really eye-catcher Construction Use cyranoacrylate CyA everywhere except firewall landing gear glued epoxy Cut out parts first test-fit before beginning construction Any plastic iron-on covering such MonoKote can used Begin building wings first bottom middle wing use same rib pattern same except middle wing longer procedure same three wings Start cutting out top sheeting 2 balsa Make about /16 wider cord dimension allow longer path caused curvature wings upper surface Draw lines inside sufface ribs Left Belicrank mounted anal/i 6 ply flooriust aft firewall Lead-outs attached before middle wing glued place Note middle wing leading edge forward firewall Right Cowl made three layers -In balsa glued place sanded shape Square opening needed access engine mounting screws Tn-stock balsa braces engine compartment will glued Glue rear half rib sheet making sure end ribs trailing edge sheeting ribs place top sheeting bent around sharper curve front half ribs After building wing hard way discovered easier method First moisten first 1 leading edge sheeting outside curve Bend sheet about halfway want end up apply CyA hold what youve done far Repeat procedure back half sheeting An easy way bend sheet equally across span start wing laying upside down flat work bench lift trailing edge keeping leading edge workbench moving rocking-chair motion 82 Model Aviation Cox 049 Black WIdow engine mounted Inverted better appearance because top wing rather far forward Wood prop display flies 5-In plastic prop Modified Cox Black Widow 049 ready installation held place screws treat holes drop Hot Stuff pre vent stripping out threads Fuel-proof Inside engine compartment thoroughly First rear two-thIrds wing ribs glued place 1/32 balsa sheeting Hot Stuff sheeting bent overthe more-curved forward part ribs glued B prsterrea view TOFaas top wing appear closer TO tne miaaie man reaiiy ney aimosm equloistant sheeting glued ribs the wing struts Sand Y32 off bottom wing will have its airfoil shape wing two center ribs attach bottom tips made attaching rib sanding sheeting flush bottom match airfoil Cut holes wing sheeting middle bottom wings for Continued page 168 TOP WING 1 IIZIY-H 4 BALSA SHEET -9 MIDDLE 8 i BOTTOM WING 1/8 BALSA SHEET RIBS B WING TIP TOP WING RIB 1/32 BALSA WING SHEETING -ALL WINGS TOP ONLY STABILIZER SHEET JOINER Ii rnvThu41_ MIDDLE WING TO HERE /1/32 SHEET ON BOTTOMBOTTOM WING BOTTOM WINGIOF MIDDLE B BOTTOMTO HERE TIP 1 HERE/4 BALSAWING-THIS AREA TRI-STOCKFUSELAGEI/B BALSA 1/4 BALSA SHEETSHEET COWL-SLAMCUTOUT FORI BELLCRANK /8 BALSA CUT HOLES FOR NEEDLE VALVE 163/16 BALSA FUEL FILLTRI STOCK G 1/B SPRUCE T CABANES SHETQ COX 049 ENGINE 1/16 BALSA SHEET TOP AND BOTTOM MIDDLE B BOTTOM WING RIB SHEET 1/16 MUSIC WIRE WRAP B SOLDE LANDING GEAR DETAIL PLY 1/16 BALSA SHEET RUDDER BELLCRANK /4 TRIMOUNT STOCKII EXITo I2 -1/16 MW 1/16 BALSA SHEETTAILSKID 3/16SIDES LEFT SIDE TRII 16 PLYOMITTED FOR CLARITY K B/C MOUNT FUSELAGECOLOR NOTES RED OVERALL SIDE VIEW WILLIAMS BROS 5 DIACOWL VINTAGE WHEELS WITH WHITE BORDERS-GREY 1/16 PLY LEADOUT GUIDE 1/8 BALSA SHEET II I, LQ SPREADER I/a PLY I/B BALSA SKID FIREWALL 1/16 BALSA 3456 I I J MODEL AVIATION FOKKER DR-I TRIPLANE 1/2 CONTROL LINE DESIGNED BY BILL MICHAELS TRACING BY 30E DEMARCO April 1987 83 Acompieted wing readyto covered Wing tips just extra ribs glued place sanded shape Covering three wings MonoKote will produce sturdy units heat MonoKote evenly avoid warps starts easiermoai iveni w piugIs passea tnrougn landing gear Keep fingers clear ot prop Stan engine flip upright finetune needle valve cd 1 S 01 U 0 S 0 S 0 S U 6 C U S N 0 IA pp p p1h g p BENTOM BROWN JH- CAMPHLLL COMET COVERITE COX DUBRO EASY BUILT MODELS ENYA FAF FLYLINE FOX GOLDBERG GOLDEN AGE REPRO GENE DUBOIS GUILLOW- K&B K&S L R MRC OS MAX PACTRA- PECK-POLYMER PERFECT R N MODELS SEAGLEN SIG STERLING SULLIVAN SUPER TIGRE TAFFINDER TELCO TOP FLITE- TREXLER WILLIAMS & OTHERS ESTES MODEL ROCKETS Send 1100 Csh Check Stanspa oar 44 page tabloid nice DISCOUNT Catalog 900 illustrations over 700 Kits choose MAILORDER PHONEORDER IN STORE PENN VALLEY HOllY CENTER 87 WMain St Lansdalsla19446 Problems lems Splitting thin ribs pinning Keeping ribs square vertical straight Strong glue joints Stop Dont ruin new airplane wing tail-2/ What Need Are NEW Joint Points come 5 slot sizes 1/16 3/32 1/8 3/16 1/4 2 Makes perfect strong joint Needs no pins Distributes point loading compression tension torque Ask Favorite Hobby Dealer forJOIflt Points Packagel2pcsea $119 Su-Pr-Line product AI-Tec Products Inc Sidney Ohio 5 Glue leading trailing edge strips thinly-spread epoxy Hold strips place tape epoxy sets Sand leading trailing edges correct shape must smooth transition foam core trailing edge balsa skin will overlap aid sanding balsa sanding foam tape piece lightweight cardboard such notebook divider over foam butted against balsa blocksand Photo 12 Probably will have replace cardboard several times before finished balsa smooth cardboard re -move cardboard carefully sand until balsa smooth foam balsa skin overlap leading edge balsa leading edge should sanded similar fashion An alternate method glue sand leading edge balsa after balsa skin has glued Preparatory skinning wing blocksand foam core lightly want smooth ridges Dont go overboard foam thin fragile Vacuum sanded foam core care skin will /16 sheet contest balsa Edge-glue enough sheets together get width necessary cover side Mix enough 45-mm epoxy cover two skins Apply epoxy skin use playing card spread remove excess just right balsa skin will damp epoxy Lightly coat trailing edge leading edge overlap plywood spar edge excess epoxy will add weight provide strength skins applied cavity cores place added rigidity Starting leading edge roll skin over core would same using contact cement instead epoxy same skin other side Place subassembly back outer core saddles sandwiched together add weights top outer core saddies compress everything epoxy curing Make bellcrank assembly lead-outs Bush lead-outs 6 brass tubing through bellcrank Slip leadout through 1-in length tubing Slide tubing through bellcrank bend tubing smooth radius Make leadout cable connections per AMA rule book see Photo 13 Assemble bellcrank pushrod must secured bellcrank way interfere movement Notch inboard wing bellcrank support pushrod exit pushrod should installed bends between flap horn bellcrank might require larger exit notch normal Epoxy bellcrank assembly inboard wing Make sure operation smooth before going further Both wing halves now ready epoxy together outer core saddles provide support alignment both inboard edges trim away excess balsa skin foam cores should square sanded Remove cavity cores Lightly coat foam cores balsa skin inboard edges 45-mm epoxy Position two edges together core saddies trailing edges must straight alignment Photo 14 Allow epoxy set Cut two x 1-in plywood bellcrank supports Drill through centers epoxy wing skin will give bellcmank area enough strength 40-lb pull tests wing butt joint must reinforced 1-in strips fiberglass Lay down fiberglass brush epoxy through Remove excess epoxy playing card keep weight down wing condition described should now weighed used competitive Precision Aerobatics aircraft should 8 oz wing too heavy think uses other com petitions likely reason- tooheavy wing use ofA6 balsa other lightweight contest variety Building foam-core wing CL Pre cision Aerobatics beyond capa bilities average modeler com pleted wing will use about $10 worth materials take about 10 manhours time Making templates takes about half time making additional wings same design can done about five hours foam-core wing general easier faster always straighter built-up wing Installing wing tips flaps part article thanks Bob Vogel good friend photographic hobbyist pictures article Fokker/M ichaels Continued page 83 wing covered same man ner Use piece MonoKote starting attaching top trailing edge wrapping around rear wing across bottom attaching leading edge material attached top surface handy MonoKote can cover wing tips along rest wing prefer cover tips first rest wing piece Glue three pennies tip weight right tip bottom wing tail surfaces made /it-in sheet balsa easy assemble rudder made three pieces wood grain running directions shown plans Building rudder way makes stronger made piece elevators joined piece /16-in music wire attached stab strip MonoKote ironed across top gap serve hinge sure gap between two pieces wide enough allow elevator deflect downwards well upwards 168 Model Aviation 37K25-ACE Handrills Set$1350 37K26ACE Handrills Handles/Stand Only.. $900 37K2BACE Marking Gauge$395 37K24ACE CGjDihedral Stand$395 37K100-ACE Long Drill Bits 6 set 5*1095 37K120ACE Long Drill Bits 12 set 5..$2395 37K1 30-ACE Drill Tap Set 8 pieces$1495 37K140ACE Die Set 8 pieces.$2750 Drill bits Taps Dies may order individually ordered direct add $200 Complete catalog $200 Phone 8161 584-7121 Address 116W 19th St PO Box 511ES Higgineville MO Zip 64037 Fuselage Drill small holes firewall engine mounting screws go Prepare /16-in balsa fuselage sides gluing Y16-in tri stock along rear edges fuselage Make sure build left right side Glue -in tri bellcrank mount supports rear firewall braces place Glue firewall bellcrank mount rear -in balsa bulkhead fuselage sides Make sure thing square point youll end up warped fuselage dry add YI6-in tri braces front firewall n 7I Bend tail skid /16-in music wire epoxy front side rear bulkhead Plank fuselage bottom aft wing /16-in balsa grain going across fuselage Bend pushrod shape install bellcrank Glue stab position check make sure no binding slop anywhere control system well plank top fuselage aft wing lead-outs installed before middle wing glued Attach two /16-in pieces make up rear fuselage under stab Now good time modify engine will using engine needs have cylinder turned 1800 points downward removing four screws back fuel tank rotate tank 1800 replace screws cowl made three pieces balsa sandwiched together cut out clear engine chose Cox 049 Black Widow model cowl designed clear prop spring starter using shorter engine such Babe Bee 049 shorten cowl leaving off outermost piece -in balsa Glue -in triangular cowl supports along front fuselage sides Glue /8-in balsa fuselage top place front fuselage dry sand April 1987 169 1IC N SPIHh111 W PCE MY LPNDING MAY VIOl PERFECT BUT ThY AUIT THAT BAD C CHIPLS 84 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture f carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 F S Send catalog modelers safety supplies QUAY BARMR MODELS STRING f\sszsflE\ SEMI-KiT KIT$15495 sIck Rivets EPOXY/GLASS/FOBA~\.J CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS 8 to 10 lbs weight 790 sq wing area 60 2 stroke 12 4 stroke kit prices plus shipping scredit cards welcome Ohio residents add 6 1 216 7774172 SEMIKIT $11995 KIT$15495 Cosmic Wind SEMI-KIT $10995 KIT514495 1 27108 Butternut RidgeNorth Olmsted Ohio 44070 oooooooo * VIDEO 0 o Hedge Hoppin Vol 3 Special Feature WarbirdO ction Tos Model Q ztion Interviews Scale 0 Concorde SST Retail 0 6Th 1 Basic Construction Beginner 107 Mm 4995 2 Basic flight Training Beginners 65 Mm 4495 W Mod aon 9OMn 4495 SSMn3995 Arp OMnWd 39950 ScaleMasters 60Mm 7 Warbirds Action 75Mm Fantastic 8 HedgeHoppinVoll 45Mm 4195 9 Which Way Up 70 Mm Aerobatirsi . OHedgeHoppnVo 2 40Mm4195 llHedgeHoppnVo 330Mm A Hedge Hopp n Series Feature Variety Asmia- * boo Top cs Full Scale & Model W pECEcI 11 AAF INTELLIGENCE SUM-@ MARY ON JAPANESE AIR COMBAT C TACTICS WIREG PURCHASE OF 0 HEDGE HOPPIN VOL 2 OR WAR- W BIRDS IN ACTIONC BEGINNERS PACKAGE OFFER Purchase Basic Con structlon program egular pnc ecawe Basc Fight Tainng 30 off etal Save W aSI39&~C BUY OR RENT IWO 0 oO 1yhS TAPES GET 3RD VIDEO AT 50% OFF C rdering InformationC Rentals $1496 Rental DeposIt Retail Price Tape C Rental DuratIon 7 Days Aher Delivery Payment Check 10 days MO. Vlsa/MC Card #C p & Eap Date Phone 9 CODs Available Phone. ShIpping 375 Foreign Canada Add 10% TotalC Others 15% 10 Res Add 7% Tam emy AvIatIon R& D PO Box 277 C Hazel Crest IL 60429 3350776 C0C@C@a@C@aOc@Q 170Model Aviation corners round smoothing fuse lage Cut away material make enough room engine screw driver tighten screws Cut holes fuselage top needle valve fuel filler Cover fuselage MonoKote paint inside engine compartment fuel-proof dope Attach lead-outs bellcrax1k glue bottom middle wings place Make sure parallel other sure cut away covering provide good woodto-wood joint Install spruce wing struts lead-out guide Cut holes bottom top wing struts cabanes Glue top wing wing struts making sure parallel middle wing wing set add cabane struts Bend Vag-in music wire shape shown plans Put wheels axle bend ends wont fall off Attach axle landing gear setting place wrapping joint fine wire can reinforce wire joint soldering didnt find necessary model Glue landing gear model rear crossbar epoxied bottom firewall front legs epoxied -in triangular cowl supports inside engine compartment Attach axle wing axle epoxy dab epoxy between axle wing finewire landing gear leg/axle joint will keep axle wing rotating Finishing now isnt much left Glue rudder place -in offset right Make markings black white trim regular Mono Kote added single machine gun made scrap balsa left off second could reach needle valve Install engine adding washer offset outside circle Finally check balance point Flying Fly model 30- 35-ft lines found easier start engine plane inverted flip over finetune needle valve Remember keep fingers away prop Pass wires starting battery through land ing gear less likely get Caught prop Adjust needle valve behind top wing front DR-i will leap air after short takeoff run flies well fairly maneuverable good gliderso ready engine quits TR 260 Berliner Continued page 94 lybdenum steel US covered unidirectional fiberglass wings built up hemlock pine oovered 2Yzmm 450 mahogany plywood ribs spaced 12 apart airfoil modified NACA 21000 series *ThES --..1 ~laIonTooIa caauis reeu Ce 21 GUI Sates Rd S2OOCatalogj 54 Seelnleld0No 43506 513-322-8562 NFO CONSTRUCT ON 1 REVIEW S HOW TO S S Mc n M 4 Ms0e ec Dee moe 2] ache ho MO 5 ROAMIN RESEARCH 9 .$r IISUIDesestOs omed P Serd SSAE lot catalog shgg camp e t ne UTI V Oop5rlnr Omun4 Ct5blilty 50545 ColtS protection trom tiposom Tie namase toCfltisttt tOt trClfllng Fit cii skid seine ifletelle minutes conplet witS tuli HELICOPTERInetmotinne BALL SKIDS11995 eGI mrrmrr. oruMDcRt4atttonWe26204 l2esteld FLYING SCALE MODEL RIC PLANS Super Detail os Instruction Sheets __Smith Plans 19163 Shadowoad Dr Send SASE listMonument CO 80132 LAThES ING MACSHIO KI tISPIUPPLIO Asietion Model BLUED%E [JO/ MACHINERY ANOLS 7] POAae53SY ,InWV25A2S N, Csiotoes Si354052 3535essi o200raees sd ioiifn-unosreborforoMsrnaedqeecorio & WOeLOS elasesr suns noun-n seevime reun Coon-u PAcKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING 0*55 Esiaruieg 00 Catalog 0 300 SCALE PlANS PHOTO SEB VICE 3209 M5disOo Greensboro NC 27403 phone t 191912925239 No coliecti PUAW DIESELS EngIands Finest 049 35 R/C STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388