NO OCR TEXT NO OCR TEXT corrected drawing vertical fin rudder assumed correct RCM includes enlarged drawing plan sale years later attending air show featuring Duane Cole measured rudder hinge lineand guess what 44 inches long right after Just grins have measured 11 other Taylorcrafts vary 44 54 inches majority being around 51 inches advice follows want great-flying standoff scale plane just build shown cover MonoKote favorite subject colors want higher degree scale homework first Find fullsize plane want copy study details Take two three rolls pictures Draw measure make notes Compare plans make detail changes plans necessary prototype shown accompanying pictures built plans full-size Taylorcraft lived Coronado Airport North Albuquerque New Mexico Pat Tritle built model incorporated myriad special scale details such two long bumps seen top engine cowl housed part full-scale planes special ignition system Doesnt Pat build beautifully great scale detail shown plans because unique particular plane Incidentally full-size plane no destroyed unusual low-altitude low-speed accident airport prettiest picture 1941 Taylorcraft ever saw cover Sport Aviation magazines May 1990 edition published Experimental Aircraft Association [EAA] 3000 Poberezny Road Oshkosh WI 54903 aircraft pictured featured article Norm Petersen about man named Lowell Thomas Tom Baker restored may want write EAA N: UC . STRUTa ELA B RL5R SNT N0a FIBERGLABt COWL/ and purchase issue have suitable subject nearby scale three-view drawings used outline done Don Pratt July 1966 published February 1968 issue nowdefunct American Aircraft Modeler magazine drawing describes full-size airplane being Cub yellow over chocolate brown As writing got telephone call good friend Gil Horstman now lives near Spokane Washington Gil said recently found finally Taylorcraft yellow brown would send pictures looking such example years chuckled confessed ragged out mess So still looking case know Gil also Taylorcraft lover has 1/3-scale version under way Years ago hangar-flying session Gil agreed Taylorcraft first choice one-airplane stable BC-12 fine trainer clipped-wing version great aerobatic airplane Either version also good choice level scale modeling Now arent glad read far last note before begin construction blue-and-yellow version built Pat Tritle won first place its first scale contest Northern New Mexico Scale Classic Static score 8010 flying 7645 bad since Pat says theres lots detail plans favorite 58 Model Aviation 4Well full-scale model Paul Tritles beautiful rendition big T-craft model shows realism enhanced attention little things Little bulges cowl top full-scale plane Paul based model covered planes special ignition system wires T-crafts Swooshing over New Mexico tumbleweeds landing Hows realism Note wings very flat dihedral 1941 TJIYLORC1I1IPT JAMES L SIMPSON -5SPLSR SHtrT ro& BOTTOM 4 $QBRLSG 4 SQ SPRUCE 4 SQSPRLEE CSOSPRUCE lop 6STRINSERS PRUCE SQ SRLSQ jBALSR 561 4 SLRLSQ 4 80 SPRUCE 450 SPRUCE 1WICPL LONGSRCNS UPRIGH1S DIfTGONRLS SQ SPRUCE STRINGERS CE STOCK ~ 5 4 ERLSR CPP STRIPS Sf155 5155 SIlT 58155 TOP & B01180M ISR SATSPLSR WEES I4SRLSS SIlTURS BSR WHEEL PANTS Y Al Id SPLLOCN WI-IELLS 35 LE BGLSR SlEET TOP& 5050W comment about well plane flies Again congratulations Pat such great job CONSTRUCTION Lets begin tail since tails easy build give illusion being one-third done finished First builder needs make some decisions Does want form tips strips AR X -in balsa soaked ammonia water white-glued together around form does prefer cut curved pieces -in sheet basswood Next building true scale using trim tabs shown elevator rudder Incorporate selections remainder structures frames outlined -in-square spruce use -in balsa cross pieces Build framework over plans covered waxed paper After glue dries completely remove waxed paper shape hinge lines match choice scale sport version shown plan Finally round outside edges frames simulate steel tubing used full-scale plane finish-sand flat sides Drill holes brace wires small April 1993 59 / C 6 4 Bare bones tail feathers Tail wheel CB Associates medium-size unit rudder uses pull-pull cables elevator solid pushrod Detail wing strut installation Thats aileron servo cable snaking along out servo installed visible use black nonstretch fish line will glued place after covering final assembly Drill holes large enough 2-56 bolts plan fabricate scale fittings brace wires Cut out stack sand complete set wing ribs Dont cut off aileron portion tailing edge will separated later Cuffing lightening holes ribs optional Drill Vs-in holes ribs aileron pushrods hinge pins Use short lengths yellow Nyrod bushings holes As said beginning what makes plane fly well else being equal shape airfoil especially bottom curve Unfortunately curve also makes harder build wing properly Readers may know easier way am going describe please share us First another decision Does builder want scale rib locations ailerons answer yes DO NOT glue aileron ribs trailing edge answer no cover wing plan waxed paper pin trailing edge place over plan cut inboard end aileron yet Use n balsa will later become leading edge jig strip pin place over plan front spar shown under waxed paper sure waxed paper draped over top strip Put bottom spar place top waxed paper hold pinning rib place Only aft end rib within inch tailing edge should touching building board surface Glue ribs tailing edge Check spar alignment rib placement glue ribs bottom spar Cut strip 1/s-in balsa same width distance between spars approximately inch Cut lengths fit between ribs glue place between rib second rib way out tip plate 12 places wing panel Use same process install 3A2 x -in rear spar webs use 3A2-in sheet balsa shims secure rear spar place over plan satisfied both spars perfectly straight check fit glue both top spars place Check front view wing tip see approximate location tip plate toward top wing glue fourteenth rib Glue upper lower tip ribs tip plate Bend glue spars tip plate little carving will necessary get correct shape Re move wing plan make easier Add laminations top bottom tip bow taper receive leading edge planking Select piece As x 2 x 48-in balsa least medium weight soft light bottom leading edge planking Stick five-inch lengths masking tape bottom centered rib location three inches tape out front sticky side up Pin planking place rear edge aligned centerline front spar Slide strip balsa same size fuselage longeron under aft end wing hold ribs level glue front lower spar planking Start middle wing secured building surface using weights pins use tape lift planking until contacts bottom rib Glue planking rib CyA glue squirt Ed note Means spray lightly accelerator sets immediately Repeat procedure rib side center rib Keep until ribs glued Add top phinking after 60 Model Aviation LAGE TOP VIEW STABILIZERELEVATOR FIN .. ER E SIDE VIEW4 rzzvozz 1941 TAYLORCRAFT Wing tip structural detail reveals basic tip plate Note aileron hinge post pro truding trailing edge Cabin windshield brace details engine mount box cowl hold-down blocks forward portion wing mount Two birds sione caIe radio antenna also part fuselage hatch covers spring-loaded latch Full Size Plans Available-See Page 182 NLfl T -rnn'WING TS WI N ~F4 1 V UTRUNT RN2 -c Dr\ ---~ AILON ~2~_____ t - - ____- ~t7#7 WING F LI T SIDE U UI151 1 -ft 4 URRUURURUUNTRIRNUUMUGRI UTIUTIUG 1941 TAYLOUCRAFT removing pins front spar location using slow CyA glue Using free end pieces masking tape secure sheeting place around front rib Also use tape weights secure aft edge planking top spar Let everything dry overnight Remove pieces tape use long least 11 inches sanding block sand planking rib fronts flat receive x x 48-in balsa leading edge sure wing flat building surface true will move Glue leading edge place secure pins tape Let glue dry completely step closes structural D tube sets wing straight twisted didnt get everything straight true life Use X-Acto saw cut ailerons loose making first cuts angled cuts through ribs cut trailing edge Now go back cut rib stubs off back edge rear spar Glue 6 x -in balsa planking over aft spar aileron cutout Glue -in triangle stock underneath Add cap strips top bottom Cut strut mounts doublers install same aileron bellcrank mount Carefully remove portion root rib between top bottom spars Cut plywood spar webs 55/s long sure slight taper bottom toward fuselage Epoxy between set spars Add 46-in sheet balsa planking hatch aileron servo shown plan aileron can built flat plan Pin trailing edge down over waxed paper add ribs elected scale locations nonscale rib location option chosen pin ribs down since already glued trailing edge Thread piece Sullivan inner Nyrod yellow part through A-in holes ribs hinge pin location tube runs entire length aileron Push piece /is-in music wire though tube tube perfectly straight glue Nyrod rib glue dries remove /i6-in piece wire Add carefully rounded balsa leading edge aileron Add 1/16-in sheet cap strips top bottom Cut notches aileron leading edge three places shown plan Builders have three options controlling ailerons aileron servo may mounted out wing place bellcrank shown may put wing root preference inside cabin area Any choice requires short pushrod wing aileron Ive shown nylon bellcrank epoxied place between aileron ribs Balsa block fillers used make snug fit pivot point connection pushrod shown set back 70 aft perpendicular give differential aileron travel 260 up 190 down feel optimum differential aileron travel may also accomplished using offset bellcraniks use computer radio Regardless method used differential aileron movement definitely helps minimize adverse April 1993 61 Alternative landing gear mount uses channeled hardwood blocks Radio receiver mounts under scale seat plywood floor Access via cabin doors neex Dalsa panels have added entire cabin area including side stringers blended smoothly using sanding block elbow grease yaw tendency plane turn toward down aileron opposite what want plane insure no binding aileron hinge line first cut three slots Is-in yellow Nyrod tube horn locations Now cut three slots rear spar webs hingehorn locations Push three nylon control horns through slots Put wing aileron place shown plan thread A6-in wire through Nyrod previously mentioned horns Use /16-in balsa shims hold clearance gap between aileron spar constant satisfied fit alignment aileron epoxy horns place front aft spar interesting know Pat Tritle used A6-in plywood horns instead nylon ones epoxy cures remove shims check hinge action Connect pushrod pre viously mentioned aileron horn necessary bend slight bow avoid having cut clearance notch aft top spar As-in wire hinge pin can made removable bending short L end toward wing tip gluing slot wing tip Before building second wing panel would worth builders time construct spar carry-through boxes used ensure proper spar alignment during construction second panel Build second wing panel same way first Now get fuselage deci sions scale tail wheel assembly wanted select suitable commercial substitute Likewise cowl wheel pants Most important dont think overpowering model prototypes fly perfectly 120 four-strokes 91 twostrokes Hold maximum engine size Also must know prototype weighs 10/2 pounds dry Finally give some thought control surfaces driven Some builders like pull-pull cables rudder solid pushrod elevator servos under seat Others prefer solid pushrods radio fuselage bay aft wing trailing edge access hatch bottom fuselage plane way Start building fuselage side over waxed-paper-covered plan unpin side sand smooth build Continued page 67 Left SuperTigre 91 Slimline muffler mounts radially extension box throttle servo nearby firewall 62 Model Aviation little details covering left note simulated rib stitching rudder right balsa fills void between landing gear wires has pinked tape edging Wing-bottom detailing L rib stitching rim inspection hole cover R scale U bracket attaching jury struts another inspection hole rim Wing root reveals protruding wing spar stubs will slip boxes built cabin roof Pat Tritles scale instrument panel control wheels fabricated bent brass rods soldered together Above molded fiberglass cowl Builder can either make own buy commercial unit RI EIDMRIRXt RI E fS PRESENTS $28500 Including Shipping Handling LOOK WHATS BEEN LIBERATED B-24D FIBERGLASS FUSELAGE NACELLES COWLS WING 108 ENGINE 4-40 FOAM WINGS & STABS ff--K- Li COMING IN APRIL Send Check Money Order BOMBER BOYS P 0 BOX ABC BRADLEY WV 25818 304 877-2336 items can tested determine function intended durability can also observed Landing gear b Folding wings c Hood canopy hatch 7 Assembly methods Building model gives good indication sequence assembly operations required full-scale aircraft operations include following Skinning b Component alignment c Canopy installation An excellent article Dynamic Modeling featured July August 1987 issues Sport Aviation explains detail use scale models simulating dynamic flight characteristics full-scale aircraft bibliography reference material have used design aircraft follows article next installment series Snipe will cover design building testing model conclusions reached concerning flight performance continued BIBLIOGRAPHY Abbott Ira H Albert E Von Doenhoff Theory Wing Sections New York NY Dover Publishing Inc 1959 Bonacci Nick Aircraft Sheet Metal Casper Wyo lAP Inc 1987 Breneman John W Strength Materials 2nd ed New York NY McGraw-Hill Book Company Inc 1952 Dzik Stanley J Aircraft Hardware Standards Manual & Engineering Reference Appleton Wis Aviation Publications 1977 Hoerner Sighard F Fluid-Dynamic Drag Midland Park NJ S F Hoerner 1958 Pazmany L Landing Gear Design Light Aircraft Vol 1 San Diego Calif Pazmany Aircraft Corporation 1986 Light Aircraft Design 3rd ed San Diego Calif L Pazmany 1963 L Pazmany H Prentice C Waterman F Tietge Potential Structural Materials Design Concepts Light Airplanes Springfield Va National Technical Information Service US Department Commerce 1968 Poberezny Paul H Schmid SH Custom Built Sport Aircraft Handbook Oshkosh Wis BAA Aviation Foundation 1986 Rhodes 0 Thompson Stress Without Tears Indianapolis md Jacobs Publishing Inc 1990 Thurston David B Design Flying New York NY McGraw-Hill Book Company 1978 US Government Printing Office Code Federal Regulations Title 14Aeronautics Space Parts 59 Office Federal Register National Archives Records Administration 1989 orcraftlSimpson Continued paqe 62 second side directly over first side waxed paper between Remember sides framework sheet stuff will added later Cut -in Lite Ply gear mount fit between lower fuselage longerons 5 front back Use large pins small nails securely attach building surface over waxed-paper-covered top view Use least three large right triangles hold fuselage sides vertical Make sure tail posts same height above bench dont want build twist fuselage Before gluing fuselage sides landing gear mount sand correct taper aft ends sides pulled together over plans two will total k Next glue longerons landing gear mount Carefully cut fuselage crosspieces length glue place across top cabin between uprights define cabin doors Use triangles hold Continued page 72 OPPORTUNITY OF LIFE TIME! Turn key business sale estab lished kit manufacturer Can run garage desired High profit margin Call 813- 854-KITS April 1993 67 [ ADVANCED AERO PRODUCTS YS & OS SURPASS 120 kJ1 7f/~ IEXHAIJST SYSTEMS FOR PATTERN AIRCRAFT AND ULTIMATE BWE SIUCONE COUPLERS AND TAIL PIPES AlSO AVAILABLE CALL OA WflE F WOf4ATU4DAALCR NQJIFES IfTED RT 1 BOX 366-C ANNA TX 75409 214 924-3940 CMPUIERIID MRCRA1I Pb9lS Technical Illustratiolls Suitable Framing Scale ting Scanning Services 3 Views D-TECH SYSTEMS 325 Shawnee Trail Catalog $ioa Carterville IL 62918 6189852383 PLANE VIDEO GIVES YOU LIBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT IULBflflME 2-2 HOUR VIDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRATr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSHRODS ALIGNMENT BALANCING AND MUCH MORE $3495 shIpping 1600 foreign order AEROBATICS & GROUND SCHOOL 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFFS SPINS CROSS WIND TECHNIQUES SNAP ROLlS AND MOUL $1985 shIpping 1600011 foreign order BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INFORMATION ON FOAM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH FG CLOTH PAINTING & DETAILING $1906 $300 shIpping 1600 foreign orders TAPES AVAILABLE IN l11S OILY SEIC CHECK OR MO PLANE VIDEO P0 BOX 23126 CLI yE IA 50325 V1S4 ca 1-800-383-8251 515-2230607 HOUR TOLL FREE IA NE5ENT5 ADO 4% SALlE 1*1 FOAM WING CORE LAMINATION Made simple fast easy permanent STA-PUT II Spray Adhesive Used endorsed Lanier fl/C Water resistant quick setting strong bonds dries clear STA-PUT II has used industrial applications since 1988 now being made available adult hobbyist Laminate Foam Wing Cores easily neatly fast Simply spray both surfaces allow get tacky align properly assemble firm pressure Useful other applications hobby craft markets especially polystyrene foams used Ask favorite hobby store STA-PUT II name literature call 800-346-2803 IF STA-PUT WONT GLUE IT 9 IT Should interested willing cut out wing ribs bend wire Chuck Gill Airplane Works 2184 Gilbride Road Martinsville NJ 08836 Tel [908] 356-8557 has kits available priced $225 Build both restart WW Stress test recurrent nightmare associated designing model airplane kit manufacturer possibility structural failures either poor workmanship overpowering design As consequence tend overstructure just case leaves wondering just much excess power design could actually handle John Walkers Big Bingo photo powered SuperTigre 4500 John modified vertical fin turtledeck formers made no changes rest fuselage wings two-part wing aluminum pipe/phenolic tube joiner retained frightened bit admittedly 20-pound model will climb 890 angle right out sight has spectacular pulling power through inside outside maneuvers just plain awesome After 60 flights no sign surface flutter structural cracking has observed So really still dont know what too much power Big Bingo might orcraftlSimpson Continued page 67 cabin upright square Join tail posts using triangle align above plan hold joint perfectly vertical builder misses fuselage will twisted tail will tilted respect wing satisfied well add remaining crosspieces diagonals shown plan Notice bottom longerons have gentle curve top longeron has definite break aft door upright may necessary crack joint reglue get right NOW its time select another option mounting engine four-stroke longshaft engine used builder may wish mount radial mount directly firewall case firewall cut shape glued front framework Add -in sheet balsa sides bottom shown plan Mount engine install fuel tank top third tank above needle valve secure tank prevent foaming fuel engine running other hand two-stroke engines relatively short use box fits square cutout firewall extends way back instrument panel fuel tank will mounted inside box has aft end open access tank front 72 Model Aviation scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 3387 N EIlibrvYraIl West Palm Beach FL 83409 407-688-43669 flUDDY SUPER o-I-ufl box -in plywood radial engine mount bolted length box cut properly position engines propeller drive washer about /s ahead cowl best build box fit firewall before mounting firewall adding -in sheeting outlined previous paragraph After engine tank installed fuel tubes sorted out instrument panel -in sheet balsa planking between firewall can installed builder has elected buy fiberglass cowl may now fitted plane either flush firewall overlapped preferred builder elects make cowl use 3/s-in -in balsa rough bottom sides fit between firewall nose bowl Since no compound curve top cowling -in balsa sheet may formed wetting side curve across top may made removable desired Carve sand bottom sides match either plan specific fullscale aircraft being modeled nose bowl sheet balsa must carved sanded match rest cowl Balsa cowls may also bolted firewall cowlmounting blocks same manner fiberglass ones key elements cabin roof/wing center section spar carry-through boxes wing root ribs made /i6-in plywood laminated 346-in sheet balsa Make two root ribs exactly alike front spar carry-through box epoxied top doubled spruce fuselage uprights root ribs rear carrythrough fitted epoxied fuselage top side longerons top cabin crosspieces Carve triangular-shaped balsa block fill gap between root rib aft rear spar carry-through top fuselage longeron Add top fuselage stringers after -in square balsa crosspieces installed Bend landing gear 5/32-indiameter music wire using front side views guides Remember brace wire goes axle middle aft main wire Clean wires will join sand shiny bind soft copper wire use plenty heat solder isnt done order given youll sorry final steps fit struts wing assemble wing struts place fuselage whole works upside down workbench Put 1-inch-thick block under cabin roof wing tips touching workbench will give desired 10 dihedral plane upright wing taped place fit main struts fuselage near aft main gear strut point shown install hold-down bolts through landing gear plate large blind nuts VALVE 5MQK MA8T SMQKERSYSTEM $49 plas $4 shipping & handling ISA Smoker Preheaters Are Twice As Effective As Head Coils Complete Smoker System Ia22Cdc 9 5 & 74 120 4-Cyde Fneines Includes preheater smoker pump smoker valve tubing pressure taps check valve 4-C complete instructions Ask About New CALL b912367O567 Aluminum Visa Mastercard & [AJi4P J AirplaneAmerican EyireSS AMERICANMODEL PRODUCTS Coming SoonAccepteRT3 BOX April 1993 73 #1 IN SUPERIOR QUALITY PRODUCTS Set plane upright block up tail check main wing panel proper incidence least three places panel no warps present drill holes four bolts two through root rib spar stub carry-through box builders choice secure wing panels fuselage Now install radio control linkages sure work smoothly proper direction Add structural scale details desired such gear-axle-to-wheel-pant attachment wing strut cuffs before covering fabric covering used better wait until after plane covered before adding such details plane covered using builders favorite method prototype covered Sig Koverall doped covered Coverite doped Two MonoKoted have seen some restored full-scale Taylorcrafts shiny looked MonoKoted Before flying plane take time check warps Correct found control checks smoothness proper direction Use rate switches exponential control avoid overcontrol Check balance point sure shown plans slightly ahead Finally run engine adjust idle properly Only has done will plane ready fly model flies like Old-Timer free flight except also loops rolls spins flies inverted beautifully readers think special just hide watch get latest clipped-wing version done Theyre really hot * About Cover Continued paqe 53 Robert Benjamin describes himself traditional representational artist has made commitment portrayal aviation subject matter artist member American Society Aviation Artists Examples Benjamins work display San Diego Aerospace Museum Pearson Air Museum Vancouver Washington US Air Force Art Pro gram collection also artist behind sizable collection art work displayed AMA Museum Muncie Indiana 74 Model Aviation inued page 79
Edition: Model Aviation - 1993/04
Page Numbers: 56, 57, 58, 59, 60, 61, 62, 67, 72, 73, 74
NO OCR TEXT NO OCR TEXT corrected drawing vertical fin rudder assumed correct RCM includes enlarged drawing plan sale years later attending air show featuring Duane Cole measured rudder hinge lineand guess what 44 inches long right after Just grins have measured 11 other Taylorcrafts vary 44 54 inches majority being around 51 inches advice follows want great-flying standoff scale plane just build shown cover MonoKote favorite subject colors want higher degree scale homework first Find fullsize plane want copy study details Take two three rolls pictures Draw measure make notes Compare plans make detail changes plans necessary prototype shown accompanying pictures built plans full-size Taylorcraft lived Coronado Airport North Albuquerque New Mexico Pat Tritle built model incorporated myriad special scale details such two long bumps seen top engine cowl housed part full-scale planes special ignition system Doesnt Pat build beautifully great scale detail shown plans because unique particular plane Incidentally full-size plane no destroyed unusual low-altitude low-speed accident airport prettiest picture 1941 Taylorcraft ever saw cover Sport Aviation magazines May 1990 edition published Experimental Aircraft Association [EAA] 3000 Poberezny Road Oshkosh WI 54903 aircraft pictured featured article Norm Petersen about man named Lowell Thomas Tom Baker restored may want write EAA N: UC . STRUTa ELA B RL5R SNT N0a FIBERGLABt COWL/ and purchase issue have suitable subject nearby scale three-view drawings used outline done Don Pratt July 1966 published February 1968 issue nowdefunct American Aircraft Modeler magazine drawing describes full-size airplane being Cub yellow over chocolate brown As writing got telephone call good friend Gil Horstman now lives near Spokane Washington Gil said recently found finally Taylorcraft yellow brown would send pictures looking such example years chuckled confessed ragged out mess So still looking case know Gil also Taylorcraft lover has 1/3-scale version under way Years ago hangar-flying session Gil agreed Taylorcraft first choice one-airplane stable BC-12 fine trainer clipped-wing version great aerobatic airplane Either version also good choice level scale modeling Now arent glad read far last note before begin construction blue-and-yellow version built Pat Tritle won first place its first scale contest Northern New Mexico Scale Classic Static score 8010 flying 7645 bad since Pat says theres lots detail plans favorite 58 Model Aviation 4Well full-scale model Paul Tritles beautiful rendition big T-craft model shows realism enhanced attention little things Little bulges cowl top full-scale plane Paul based model covered planes special ignition system wires T-crafts Swooshing over New Mexico tumbleweeds landing Hows realism Note wings very flat dihedral 1941 TJIYLORC1I1IPT JAMES L SIMPSON -5SPLSR SHtrT ro& BOTTOM 4 $QBRLSG 4 SQ SPRUCE 4 SQSPRLEE CSOSPRUCE lop 6STRINSERS PRUCE SQ SRLSQ jBALSR 561 4 SLRLSQ 4 80 SPRUCE 450 SPRUCE 1WICPL LONGSRCNS UPRIGH1S DIfTGONRLS SQ SPRUCE STRINGERS CE STOCK ~ 5 4 ERLSR CPP STRIPS Sf155 5155 SIlT 58155 TOP & B01180M ISR SATSPLSR WEES I4SRLSS SIlTURS BSR WHEEL PANTS Y Al Id SPLLOCN WI-IELLS 35 LE BGLSR SlEET TOP& 5050W comment about well plane flies Again congratulations Pat such great job CONSTRUCTION Lets begin tail since tails easy build give illusion being one-third done finished First builder needs make some decisions Does want form tips strips AR X -in balsa soaked ammonia water white-glued together around form does prefer cut curved pieces -in sheet basswood Next building true scale using trim tabs shown elevator rudder Incorporate selections remainder structures frames outlined -in-square spruce use -in balsa cross pieces Build framework over plans covered waxed paper After glue dries completely remove waxed paper shape hinge lines match choice scale sport version shown plan Finally round outside edges frames simulate steel tubing used full-scale plane finish-sand flat sides Drill holes brace wires small April 1993 59 / C 6 4 Bare bones tail feathers Tail wheel CB Associates medium-size unit rudder uses pull-pull cables elevator solid pushrod Detail wing strut installation Thats aileron servo cable snaking along out servo installed visible use black nonstretch fish line will glued place after covering final assembly Drill holes large enough 2-56 bolts plan fabricate scale fittings brace wires Cut out stack sand complete set wing ribs Dont cut off aileron portion tailing edge will separated later Cuffing lightening holes ribs optional Drill Vs-in holes ribs aileron pushrods hinge pins Use short lengths yellow Nyrod bushings holes As said beginning what makes plane fly well else being equal shape airfoil especially bottom curve Unfortunately curve also makes harder build wing properly Readers may know easier way am going describe please share us First another decision Does builder want scale rib locations ailerons answer yes DO NOT glue aileron ribs trailing edge answer no cover wing plan waxed paper pin trailing edge place over plan cut inboard end aileron yet Use n balsa will later become leading edge jig strip pin place over plan front spar shown under waxed paper sure waxed paper draped over top strip Put bottom spar place top waxed paper hold pinning rib place Only aft end rib within inch tailing edge should touching building board surface Glue ribs tailing edge Check spar alignment rib placement glue ribs bottom spar Cut strip 1/s-in balsa same width distance between spars approximately inch Cut lengths fit between ribs glue place between rib second rib way out tip plate 12 places wing panel Use same process install 3A2 x -in rear spar webs use 3A2-in sheet balsa shims secure rear spar place over plan satisfied both spars perfectly straight check fit glue both top spars place Check front view wing tip see approximate location tip plate toward top wing glue fourteenth rib Glue upper lower tip ribs tip plate Bend glue spars tip plate little carving will necessary get correct shape Re move wing plan make easier Add laminations top bottom tip bow taper receive leading edge planking Select piece As x 2 x 48-in balsa least medium weight soft light bottom leading edge planking Stick five-inch lengths masking tape bottom centered rib location three inches tape out front sticky side up Pin planking place rear edge aligned centerline front spar Slide strip balsa same size fuselage longeron under aft end wing hold ribs level glue front lower spar planking Start middle wing secured building surface using weights pins use tape lift planking until contacts bottom rib Glue planking rib CyA glue squirt Ed note Means spray lightly accelerator sets immediately Repeat procedure rib side center rib Keep until ribs glued Add top phinking after 60 Model Aviation LAGE TOP VIEW STABILIZERELEVATOR FIN .. ER E SIDE VIEW4 rzzvozz 1941 TAYLORCRAFT Wing tip structural detail reveals basic tip plate Note aileron hinge post pro truding trailing edge Cabin windshield brace details engine mount box cowl hold-down blocks forward portion wing mount Two birds sione caIe radio antenna also part fuselage hatch covers spring-loaded latch Full Size Plans Available-See Page 182 NLfl T -rnn'WING TS WI N ~F4 1 V UTRUNT RN2 -c Dr\ ---~ AILON ~2~_____ t - - ____- ~t7#7 WING F LI T SIDE U UI151 1 -ft 4 URRUURURUUNTRIRNUUMUGRI UTIUTIUG 1941 TAYLOUCRAFT removing pins front spar location using slow CyA glue Using free end pieces masking tape secure sheeting place around front rib Also use tape weights secure aft edge planking top spar Let everything dry overnight Remove pieces tape use long least 11 inches sanding block sand planking rib fronts flat receive x x 48-in balsa leading edge sure wing flat building surface true will move Glue leading edge place secure pins tape Let glue dry completely step closes structural D tube sets wing straight twisted didnt get everything straight true life Use X-Acto saw cut ailerons loose making first cuts angled cuts through ribs cut trailing edge Now go back cut rib stubs off back edge rear spar Glue 6 x -in balsa planking over aft spar aileron cutout Glue -in triangle stock underneath Add cap strips top bottom Cut strut mounts doublers install same aileron bellcrank mount Carefully remove portion root rib between top bottom spars Cut plywood spar webs 55/s long sure slight taper bottom toward fuselage Epoxy between set spars Add 46-in sheet balsa planking hatch aileron servo shown plan aileron can built flat plan Pin trailing edge down over waxed paper add ribs elected scale locations nonscale rib location option chosen pin ribs down since already glued trailing edge Thread piece Sullivan inner Nyrod yellow part through A-in holes ribs hinge pin location tube runs entire length aileron Push piece /is-in music wire though tube tube perfectly straight glue Nyrod rib glue dries remove /i6-in piece wire Add carefully rounded balsa leading edge aileron Add 1/16-in sheet cap strips top bottom Cut notches aileron leading edge three places shown plan Builders have three options controlling ailerons aileron servo may mounted out wing place bellcrank shown may put wing root preference inside cabin area Any choice requires short pushrod wing aileron Ive shown nylon bellcrank epoxied place between aileron ribs Balsa block fillers used make snug fit pivot point connection pushrod shown set back 70 aft perpendicular give differential aileron travel 260 up 190 down feel optimum differential aileron travel may also accomplished using offset bellcraniks use computer radio Regardless method used differential aileron movement definitely helps minimize adverse April 1993 61 Alternative landing gear mount uses channeled hardwood blocks Radio receiver mounts under scale seat plywood floor Access via cabin doors neex Dalsa panels have added entire cabin area including side stringers blended smoothly using sanding block elbow grease yaw tendency plane turn toward down aileron opposite what want plane insure no binding aileron hinge line first cut three slots Is-in yellow Nyrod tube horn locations Now cut three slots rear spar webs hingehorn locations Push three nylon control horns through slots Put wing aileron place shown plan thread A6-in wire through Nyrod previously mentioned horns Use /16-in balsa shims hold clearance gap between aileron spar constant satisfied fit alignment aileron epoxy horns place front aft spar interesting know Pat Tritle used A6-in plywood horns instead nylon ones epoxy cures remove shims check hinge action Connect pushrod pre viously mentioned aileron horn necessary bend slight bow avoid having cut clearance notch aft top spar As-in wire hinge pin can made removable bending short L end toward wing tip gluing slot wing tip Before building second wing panel would worth builders time construct spar carry-through boxes used ensure proper spar alignment during construction second panel Build second wing panel same way first Now get fuselage deci sions scale tail wheel assembly wanted select suitable commercial substitute Likewise cowl wheel pants Most important dont think overpowering model prototypes fly perfectly 120 four-strokes 91 twostrokes Hold maximum engine size Also must know prototype weighs 10/2 pounds dry Finally give some thought control surfaces driven Some builders like pull-pull cables rudder solid pushrod elevator servos under seat Others prefer solid pushrods radio fuselage bay aft wing trailing edge access hatch bottom fuselage plane way Start building fuselage side over waxed-paper-covered plan unpin side sand smooth build Continued page 67 Left SuperTigre 91 Slimline muffler mounts radially extension box throttle servo nearby firewall 62 Model Aviation little details covering left note simulated rib stitching rudder right balsa fills void between landing gear wires has pinked tape edging Wing-bottom detailing L rib stitching rim inspection hole cover R scale U bracket attaching jury struts another inspection hole rim Wing root reveals protruding wing spar stubs will slip boxes built cabin roof Pat Tritles scale instrument panel control wheels fabricated bent brass rods soldered together Above molded fiberglass cowl Builder can either make own buy commercial unit RI EIDMRIRXt RI E fS PRESENTS $28500 Including Shipping Handling LOOK WHATS BEEN LIBERATED B-24D FIBERGLASS FUSELAGE NACELLES COWLS WING 108 ENGINE 4-40 FOAM WINGS & STABS ff--K- Li COMING IN APRIL Send Check Money Order BOMBER BOYS P 0 BOX ABC BRADLEY WV 25818 304 877-2336 items can tested determine function intended durability can also observed Landing gear b Folding wings c Hood canopy hatch 7 Assembly methods Building model gives good indication sequence assembly operations required full-scale aircraft operations include following Skinning b Component alignment c Canopy installation An excellent article Dynamic Modeling featured July August 1987 issues Sport Aviation explains detail use scale models simulating dynamic flight characteristics full-scale aircraft bibliography reference material have used design aircraft follows article next installment series Snipe will cover design building testing model conclusions reached concerning flight performance continued BIBLIOGRAPHY Abbott Ira H Albert E Von Doenhoff Theory Wing Sections New York NY Dover Publishing Inc 1959 Bonacci Nick Aircraft Sheet Metal Casper Wyo lAP Inc 1987 Breneman John W Strength Materials 2nd ed New York NY McGraw-Hill Book Company Inc 1952 Dzik Stanley J Aircraft Hardware Standards Manual & Engineering Reference Appleton Wis Aviation Publications 1977 Hoerner Sighard F Fluid-Dynamic Drag Midland Park NJ S F Hoerner 1958 Pazmany L Landing Gear Design Light Aircraft Vol 1 San Diego Calif Pazmany Aircraft Corporation 1986 Light Aircraft Design 3rd ed San Diego Calif L Pazmany 1963 L Pazmany H Prentice C Waterman F Tietge Potential Structural Materials Design Concepts Light Airplanes Springfield Va National Technical Information Service US Department Commerce 1968 Poberezny Paul H Schmid SH Custom Built Sport Aircraft Handbook Oshkosh Wis BAA Aviation Foundation 1986 Rhodes 0 Thompson Stress Without Tears Indianapolis md Jacobs Publishing Inc 1990 Thurston David B Design Flying New York NY McGraw-Hill Book Company 1978 US Government Printing Office Code Federal Regulations Title 14Aeronautics Space Parts 59 Office Federal Register National Archives Records Administration 1989 orcraftlSimpson Continued paqe 62 second side directly over first side waxed paper between Remember sides framework sheet stuff will added later Cut -in Lite Ply gear mount fit between lower fuselage longerons 5 front back Use large pins small nails securely attach building surface over waxed-paper-covered top view Use least three large right triangles hold fuselage sides vertical Make sure tail posts same height above bench dont want build twist fuselage Before gluing fuselage sides landing gear mount sand correct taper aft ends sides pulled together over plans two will total k Next glue longerons landing gear mount Carefully cut fuselage crosspieces length glue place across top cabin between uprights define cabin doors Use triangles hold Continued page 72 OPPORTUNITY OF LIFE TIME! Turn key business sale estab lished kit manufacturer Can run garage desired High profit margin Call 813- 854-KITS April 1993 67 [ ADVANCED AERO PRODUCTS YS & OS SURPASS 120 kJ1 7f/~ IEXHAIJST SYSTEMS FOR PATTERN AIRCRAFT AND ULTIMATE BWE SIUCONE COUPLERS AND TAIL PIPES AlSO AVAILABLE CALL OA WflE F WOf4ATU4DAALCR NQJIFES IfTED RT 1 BOX 366-C ANNA TX 75409 214 924-3940 CMPUIERIID MRCRA1I Pb9lS Technical Illustratiolls Suitable Framing Scale ting Scanning Services 3 Views D-TECH SYSTEMS 325 Shawnee Trail Catalog $ioa Carterville IL 62918 6189852383 PLANE VIDEO GIVES YOU LIBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT IULBflflME 2-2 HOUR VIDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRATr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSHRODS ALIGNMENT BALANCING AND MUCH MORE $3495 shIpping 1600 foreign order AEROBATICS & GROUND SCHOOL 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFFS SPINS CROSS WIND TECHNIQUES SNAP ROLlS AND MOUL $1985 shIpping 1600011 foreign order BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INFORMATION ON FOAM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH FG CLOTH PAINTING & DETAILING $1906 $300 shIpping 1600 foreign orders TAPES AVAILABLE IN l11S OILY SEIC CHECK OR MO PLANE VIDEO P0 BOX 23126 CLI yE IA 50325 V1S4 ca 1-800-383-8251 515-2230607 HOUR TOLL FREE IA NE5ENT5 ADO 4% SALlE 1*1 FOAM WING CORE LAMINATION Made simple fast easy permanent STA-PUT II Spray Adhesive Used endorsed Lanier fl/C Water resistant quick setting strong bonds dries clear STA-PUT II has used industrial applications since 1988 now being made available adult hobbyist Laminate Foam Wing Cores easily neatly fast Simply spray both surfaces allow get tacky align properly assemble firm pressure Useful other applications hobby craft markets especially polystyrene foams used Ask favorite hobby store STA-PUT II name literature call 800-346-2803 IF STA-PUT WONT GLUE IT 9 IT Should interested willing cut out wing ribs bend wire Chuck Gill Airplane Works 2184 Gilbride Road Martinsville NJ 08836 Tel [908] 356-8557 has kits available priced $225 Build both restart WW Stress test recurrent nightmare associated designing model airplane kit manufacturer possibility structural failures either poor workmanship overpowering design As consequence tend overstructure just case leaves wondering just much excess power design could actually handle John Walkers Big Bingo photo powered SuperTigre 4500 John modified vertical fin turtledeck formers made no changes rest fuselage wings two-part wing aluminum pipe/phenolic tube joiner retained frightened bit admittedly 20-pound model will climb 890 angle right out sight has spectacular pulling power through inside outside maneuvers just plain awesome After 60 flights no sign surface flutter structural cracking has observed So really still dont know what too much power Big Bingo might orcraftlSimpson Continued page 67 cabin upright square Join tail posts using triangle align above plan hold joint perfectly vertical builder misses fuselage will twisted tail will tilted respect wing satisfied well add remaining crosspieces diagonals shown plan Notice bottom longerons have gentle curve top longeron has definite break aft door upright may necessary crack joint reglue get right NOW its time select another option mounting engine four-stroke longshaft engine used builder may wish mount radial mount directly firewall case firewall cut shape glued front framework Add -in sheet balsa sides bottom shown plan Mount engine install fuel tank top third tank above needle valve secure tank prevent foaming fuel engine running other hand two-stroke engines relatively short use box fits square cutout firewall extends way back instrument panel fuel tank will mounted inside box has aft end open access tank front 72 Model Aviation scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 3387 N EIlibrvYraIl West Palm Beach FL 83409 407-688-43669 flUDDY SUPER o-I-ufl box -in plywood radial engine mount bolted length box cut properly position engines propeller drive washer about /s ahead cowl best build box fit firewall before mounting firewall adding -in sheeting outlined previous paragraph After engine tank installed fuel tubes sorted out instrument panel -in sheet balsa planking between firewall can installed builder has elected buy fiberglass cowl may now fitted plane either flush firewall overlapped preferred builder elects make cowl use 3/s-in -in balsa rough bottom sides fit between firewall nose bowl Since no compound curve top cowling -in balsa sheet may formed wetting side curve across top may made removable desired Carve sand bottom sides match either plan specific fullscale aircraft being modeled nose bowl sheet balsa must carved sanded match rest cowl Balsa cowls may also bolted firewall cowlmounting blocks same manner fiberglass ones key elements cabin roof/wing center section spar carry-through boxes wing root ribs made /i6-in plywood laminated 346-in sheet balsa Make two root ribs exactly alike front spar carry-through box epoxied top doubled spruce fuselage uprights root ribs rear carrythrough fitted epoxied fuselage top side longerons top cabin crosspieces Carve triangular-shaped balsa block fill gap between root rib aft rear spar carry-through top fuselage longeron Add top fuselage stringers after -in square balsa crosspieces installed Bend landing gear 5/32-indiameter music wire using front side views guides Remember brace wire goes axle middle aft main wire Clean wires will join sand shiny bind soft copper wire use plenty heat solder isnt done order given youll sorry final steps fit struts wing assemble wing struts place fuselage whole works upside down workbench Put 1-inch-thick block under cabin roof wing tips touching workbench will give desired 10 dihedral plane upright wing taped place fit main struts fuselage near aft main gear strut point shown install hold-down bolts through landing gear plate large blind nuts VALVE 5MQK MA8T SMQKERSYSTEM $49 plas $4 shipping & handling ISA Smoker Preheaters Are Twice As Effective As Head Coils Complete Smoker System Ia22Cdc 9 5 & 74 120 4-Cyde Fneines Includes preheater smoker pump smoker valve tubing pressure taps check valve 4-C complete instructions Ask About New CALL b912367O567 Aluminum Visa Mastercard & [AJi4P J AirplaneAmerican EyireSS AMERICANMODEL PRODUCTS Coming SoonAccepteRT3 BOX April 1993 73 #1 IN SUPERIOR QUALITY PRODUCTS Set plane upright block up tail check main wing panel proper incidence least three places panel no warps present drill holes four bolts two through root rib spar stub carry-through box builders choice secure wing panels fuselage Now install radio control linkages sure work smoothly proper direction Add structural scale details desired such gear-axle-to-wheel-pant attachment wing strut cuffs before covering fabric covering used better wait until after plane covered before adding such details plane covered using builders favorite method prototype covered Sig Koverall doped covered Coverite doped Two MonoKoted have seen some restored full-scale Taylorcrafts shiny looked MonoKoted Before flying plane take time check warps Correct found control checks smoothness proper direction Use rate switches exponential control avoid overcontrol Check balance point sure shown plans slightly ahead Finally run engine adjust idle properly Only has done will plane ready fly model flies like Old-Timer free flight except also loops rolls spins flies inverted beautifully readers think special just hide watch get latest clipped-wing version done Theyre really hot * About Cover Continued paqe 53 Robert Benjamin describes himself traditional representational artist has made commitment portrayal aviation subject matter artist member American Society Aviation Artists Examples Benjamins work display San Diego Aerospace Museum Pearson Air Museum Vancouver Washington US Air Force Art Pro gram collection also artist behind sizable collection art work displayed AMA Museum Muncie Indiana 74 Model Aviation inued page 79
Edition: Model Aviation - 1993/04
Page Numbers: 56, 57, 58, 59, 60, 61, 62, 67, 72, 73, 74
NO OCR TEXT NO OCR TEXT corrected drawing vertical fin rudder assumed correct RCM includes enlarged drawing plan sale years later attending air show featuring Duane Cole measured rudder hinge lineand guess what 44 inches long right after Just grins have measured 11 other Taylorcrafts vary 44 54 inches majority being around 51 inches advice follows want great-flying standoff scale plane just build shown cover MonoKote favorite subject colors want higher degree scale homework first Find fullsize plane want copy study details Take two three rolls pictures Draw measure make notes Compare plans make detail changes plans necessary prototype shown accompanying pictures built plans full-size Taylorcraft lived Coronado Airport North Albuquerque New Mexico Pat Tritle built model incorporated myriad special scale details such two long bumps seen top engine cowl housed part full-scale planes special ignition system Doesnt Pat build beautifully great scale detail shown plans because unique particular plane Incidentally full-size plane no destroyed unusual low-altitude low-speed accident airport prettiest picture 1941 Taylorcraft ever saw cover Sport Aviation magazines May 1990 edition published Experimental Aircraft Association [EAA] 3000 Poberezny Road Oshkosh WI 54903 aircraft pictured featured article Norm Petersen about man named Lowell Thomas Tom Baker restored may want write EAA N: UC . STRUTa ELA B RL5R SNT N0a FIBERGLABt COWL/ and purchase issue have suitable subject nearby scale three-view drawings used outline done Don Pratt July 1966 published February 1968 issue nowdefunct American Aircraft Modeler magazine drawing describes full-size airplane being Cub yellow over chocolate brown As writing got telephone call good friend Gil Horstman now lives near Spokane Washington Gil said recently found finally Taylorcraft yellow brown would send pictures looking such example years chuckled confessed ragged out mess So still looking case know Gil also Taylorcraft lover has 1/3-scale version under way Years ago hangar-flying session Gil agreed Taylorcraft first choice one-airplane stable BC-12 fine trainer clipped-wing version great aerobatic airplane Either version also good choice level scale modeling Now arent glad read far last note before begin construction blue-and-yellow version built Pat Tritle won first place its first scale contest Northern New Mexico Scale Classic Static score 8010 flying 7645 bad since Pat says theres lots detail plans favorite 58 Model Aviation 4Well full-scale model Paul Tritles beautiful rendition big T-craft model shows realism enhanced attention little things Little bulges cowl top full-scale plane Paul based model covered planes special ignition system wires T-crafts Swooshing over New Mexico tumbleweeds landing Hows realism Note wings very flat dihedral 1941 TJIYLORC1I1IPT JAMES L SIMPSON -5SPLSR SHtrT ro& BOTTOM 4 $QBRLSG 4 SQ SPRUCE 4 SQSPRLEE CSOSPRUCE lop 6STRINSERS PRUCE SQ SRLSQ jBALSR 561 4 SLRLSQ 4 80 SPRUCE 450 SPRUCE 1WICPL LONGSRCNS UPRIGH1S DIfTGONRLS SQ SPRUCE STRINGERS CE STOCK ~ 5 4 ERLSR CPP STRIPS Sf155 5155 SIlT 58155 TOP & B01180M ISR SATSPLSR WEES I4SRLSS SIlTURS BSR WHEEL PANTS Y Al Id SPLLOCN WI-IELLS 35 LE BGLSR SlEET TOP& 5050W comment about well plane flies Again congratulations Pat such great job CONSTRUCTION Lets begin tail since tails easy build give illusion being one-third done finished First builder needs make some decisions Does want form tips strips AR X -in balsa soaked ammonia water white-glued together around form does prefer cut curved pieces -in sheet basswood Next building true scale using trim tabs shown elevator rudder Incorporate selections remainder structures frames outlined -in-square spruce use -in balsa cross pieces Build framework over plans covered waxed paper After glue dries completely remove waxed paper shape hinge lines match choice scale sport version shown plan Finally round outside edges frames simulate steel tubing used full-scale plane finish-sand flat sides Drill holes brace wires small April 1993 59 / C 6 4 Bare bones tail feathers Tail wheel CB Associates medium-size unit rudder uses pull-pull cables elevator solid pushrod Detail wing strut installation Thats aileron servo cable snaking along out servo installed visible use black nonstretch fish line will glued place after covering final assembly Drill holes large enough 2-56 bolts plan fabricate scale fittings brace wires Cut out stack sand complete set wing ribs Dont cut off aileron portion tailing edge will separated later Cuffing lightening holes ribs optional Drill Vs-in holes ribs aileron pushrods hinge pins Use short lengths yellow Nyrod bushings holes As said beginning what makes plane fly well else being equal shape airfoil especially bottom curve Unfortunately curve also makes harder build wing properly Readers may know easier way am going describe please share us First another decision Does builder want scale rib locations ailerons answer yes DO NOT glue aileron ribs trailing edge answer no cover wing plan waxed paper pin trailing edge place over plan cut inboard end aileron yet Use n balsa will later become leading edge jig strip pin place over plan front spar shown under waxed paper sure waxed paper draped over top strip Put bottom spar place top waxed paper hold pinning rib place Only aft end rib within inch tailing edge should touching building board surface Glue ribs tailing edge Check spar alignment rib placement glue ribs bottom spar Cut strip 1/s-in balsa same width distance between spars approximately inch Cut lengths fit between ribs glue place between rib second rib way out tip plate 12 places wing panel Use same process install 3A2 x -in rear spar webs use 3A2-in sheet balsa shims secure rear spar place over plan satisfied both spars perfectly straight check fit glue both top spars place Check front view wing tip see approximate location tip plate toward top wing glue fourteenth rib Glue upper lower tip ribs tip plate Bend glue spars tip plate little carving will necessary get correct shape Re move wing plan make easier Add laminations top bottom tip bow taper receive leading edge planking Select piece As x 2 x 48-in balsa least medium weight soft light bottom leading edge planking Stick five-inch lengths masking tape bottom centered rib location three inches tape out front sticky side up Pin planking place rear edge aligned centerline front spar Slide strip balsa same size fuselage longeron under aft end wing hold ribs level glue front lower spar planking Start middle wing secured building surface using weights pins use tape lift planking until contacts bottom rib Glue planking rib CyA glue squirt Ed note Means spray lightly accelerator sets immediately Repeat procedure rib side center rib Keep until ribs glued Add top phinking after 60 Model Aviation LAGE TOP VIEW STABILIZERELEVATOR FIN .. ER E SIDE VIEW4 rzzvozz 1941 TAYLORCRAFT Wing tip structural detail reveals basic tip plate Note aileron hinge post pro truding trailing edge Cabin windshield brace details engine mount box cowl hold-down blocks forward portion wing mount Two birds sione caIe radio antenna also part fuselage hatch covers spring-loaded latch Full Size Plans Available-See Page 182 NLfl T -rnn'WING TS WI N ~F4 1 V UTRUNT RN2 -c Dr\ ---~ AILON ~2~_____ t - - ____- ~t7#7 WING F LI T SIDE U UI151 1 -ft 4 URRUURURUUNTRIRNUUMUGRI UTIUTIUG 1941 TAYLOUCRAFT removing pins front spar location using slow CyA glue Using free end pieces masking tape secure sheeting place around front rib Also use tape weights secure aft edge planking top spar Let everything dry overnight Remove pieces tape use long least 11 inches sanding block sand planking rib fronts flat receive x x 48-in balsa leading edge sure wing flat building surface true will move Glue leading edge place secure pins tape Let glue dry completely step closes structural D tube sets wing straight twisted didnt get everything straight true life Use X-Acto saw cut ailerons loose making first cuts angled cuts through ribs cut trailing edge Now go back cut rib stubs off back edge rear spar Glue 6 x -in balsa planking over aft spar aileron cutout Glue -in triangle stock underneath Add cap strips top bottom Cut strut mounts doublers install same aileron bellcrank mount Carefully remove portion root rib between top bottom spars Cut plywood spar webs 55/s long sure slight taper bottom toward fuselage Epoxy between set spars Add 46-in sheet balsa planking hatch aileron servo shown plan aileron can built flat plan Pin trailing edge down over waxed paper add ribs elected scale locations nonscale rib location option chosen pin ribs down since already glued trailing edge Thread piece Sullivan inner Nyrod yellow part through A-in holes ribs hinge pin location tube runs entire length aileron Push piece /is-in music wire though tube tube perfectly straight glue Nyrod rib glue dries remove /i6-in piece wire Add carefully rounded balsa leading edge aileron Add 1/16-in sheet cap strips top bottom Cut notches aileron leading edge three places shown plan Builders have three options controlling ailerons aileron servo may mounted out wing place bellcrank shown may put wing root preference inside cabin area Any choice requires short pushrod wing aileron Ive shown nylon bellcrank epoxied place between aileron ribs Balsa block fillers used make snug fit pivot point connection pushrod shown set back 70 aft perpendicular give differential aileron travel 260 up 190 down feel optimum differential aileron travel may also accomplished using offset bellcraniks use computer radio Regardless method used differential aileron movement definitely helps minimize adverse April 1993 61 Alternative landing gear mount uses channeled hardwood blocks Radio receiver mounts under scale seat plywood floor Access via cabin doors neex Dalsa panels have added entire cabin area including side stringers blended smoothly using sanding block elbow grease yaw tendency plane turn toward down aileron opposite what want plane insure no binding aileron hinge line first cut three slots Is-in yellow Nyrod tube horn locations Now cut three slots rear spar webs hingehorn locations Push three nylon control horns through slots Put wing aileron place shown plan thread A6-in wire through Nyrod previously mentioned horns Use /16-in balsa shims hold clearance gap between aileron spar constant satisfied fit alignment aileron epoxy horns place front aft spar interesting know Pat Tritle used A6-in plywood horns instead nylon ones epoxy cures remove shims check hinge action Connect pushrod pre viously mentioned aileron horn necessary bend slight bow avoid having cut clearance notch aft top spar As-in wire hinge pin can made removable bending short L end toward wing tip gluing slot wing tip Before building second wing panel would worth builders time construct spar carry-through boxes used ensure proper spar alignment during construction second panel Build second wing panel same way first Now get fuselage deci sions scale tail wheel assembly wanted select suitable commercial substitute Likewise cowl wheel pants Most important dont think overpowering model prototypes fly perfectly 120 four-strokes 91 twostrokes Hold maximum engine size Also must know prototype weighs 10/2 pounds dry Finally give some thought control surfaces driven Some builders like pull-pull cables rudder solid pushrod elevator servos under seat Others prefer solid pushrods radio fuselage bay aft wing trailing edge access hatch bottom fuselage plane way Start building fuselage side over waxed-paper-covered plan unpin side sand smooth build Continued page 67 Left SuperTigre 91 Slimline muffler mounts radially extension box throttle servo nearby firewall 62 Model Aviation little details covering left note simulated rib stitching rudder right balsa fills void between landing gear wires has pinked tape edging Wing-bottom detailing L rib stitching rim inspection hole cover R scale U bracket attaching jury struts another inspection hole rim Wing root reveals protruding wing spar stubs will slip boxes built cabin roof Pat Tritles scale instrument panel control wheels fabricated bent brass rods soldered together Above molded fiberglass cowl Builder can either make own buy commercial unit RI EIDMRIRXt RI E fS PRESENTS $28500 Including Shipping Handling LOOK WHATS BEEN LIBERATED B-24D FIBERGLASS FUSELAGE NACELLES COWLS WING 108 ENGINE 4-40 FOAM WINGS & STABS ff--K- Li COMING IN APRIL Send Check Money Order BOMBER BOYS P 0 BOX ABC BRADLEY WV 25818 304 877-2336 items can tested determine function intended durability can also observed Landing gear b Folding wings c Hood canopy hatch 7 Assembly methods Building model gives good indication sequence assembly operations required full-scale aircraft operations include following Skinning b Component alignment c Canopy installation An excellent article Dynamic Modeling featured July August 1987 issues Sport Aviation explains detail use scale models simulating dynamic flight characteristics full-scale aircraft bibliography reference material have used design aircraft follows article next installment series Snipe will cover design building testing model conclusions reached concerning flight performance continued BIBLIOGRAPHY Abbott Ira H Albert E Von Doenhoff Theory Wing Sections New York NY Dover Publishing Inc 1959 Bonacci Nick Aircraft Sheet Metal Casper Wyo lAP Inc 1987 Breneman John W Strength Materials 2nd ed New York NY McGraw-Hill Book Company Inc 1952 Dzik Stanley J Aircraft Hardware Standards Manual & Engineering Reference Appleton Wis Aviation Publications 1977 Hoerner Sighard F Fluid-Dynamic Drag Midland Park NJ S F Hoerner 1958 Pazmany L Landing Gear Design Light Aircraft Vol 1 San Diego Calif Pazmany Aircraft Corporation 1986 Light Aircraft Design 3rd ed San Diego Calif L Pazmany 1963 L Pazmany H Prentice C Waterman F Tietge Potential Structural Materials Design Concepts Light Airplanes Springfield Va National Technical Information Service US Department Commerce 1968 Poberezny Paul H Schmid SH Custom Built Sport Aircraft Handbook Oshkosh Wis BAA Aviation Foundation 1986 Rhodes 0 Thompson Stress Without Tears Indianapolis md Jacobs Publishing Inc 1990 Thurston David B Design Flying New York NY McGraw-Hill Book Company 1978 US Government Printing Office Code Federal Regulations Title 14Aeronautics Space Parts 59 Office Federal Register National Archives Records Administration 1989 orcraftlSimpson Continued paqe 62 second side directly over first side waxed paper between Remember sides framework sheet stuff will added later Cut -in Lite Ply gear mount fit between lower fuselage longerons 5 front back Use large pins small nails securely attach building surface over waxed-paper-covered top view Use least three large right triangles hold fuselage sides vertical Make sure tail posts same height above bench dont want build twist fuselage Before gluing fuselage sides landing gear mount sand correct taper aft ends sides pulled together over plans two will total k Next glue longerons landing gear mount Carefully cut fuselage crosspieces length glue place across top cabin between uprights define cabin doors Use triangles hold Continued page 72 OPPORTUNITY OF LIFE TIME! Turn key business sale estab lished kit manufacturer Can run garage desired High profit margin Call 813- 854-KITS April 1993 67 [ ADVANCED AERO PRODUCTS YS & OS SURPASS 120 kJ1 7f/~ IEXHAIJST SYSTEMS FOR PATTERN AIRCRAFT AND ULTIMATE BWE SIUCONE COUPLERS AND TAIL PIPES AlSO AVAILABLE CALL OA WflE F WOf4ATU4DAALCR NQJIFES IfTED RT 1 BOX 366-C ANNA TX 75409 214 924-3940 CMPUIERIID MRCRA1I Pb9lS Technical Illustratiolls Suitable Framing Scale ting Scanning Services 3 Views D-TECH SYSTEMS 325 Shawnee Trail Catalog $ioa Carterville IL 62918 6189852383 PLANE VIDEO GIVES YOU LIBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT IULBflflME 2-2 HOUR VIDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRATr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSHRODS ALIGNMENT BALANCING AND MUCH MORE $3495 shIpping 1600 foreign order AEROBATICS & GROUND SCHOOL 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFFS SPINS CROSS WIND TECHNIQUES SNAP ROLlS AND MOUL $1985 shIpping 1600011 foreign order BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INFORMATION ON FOAM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH FG CLOTH PAINTING & DETAILING $1906 $300 shIpping 1600 foreign orders TAPES AVAILABLE IN l11S OILY SEIC CHECK OR MO PLANE VIDEO P0 BOX 23126 CLI yE IA 50325 V1S4 ca 1-800-383-8251 515-2230607 HOUR TOLL FREE IA NE5ENT5 ADO 4% SALlE 1*1 FOAM WING CORE LAMINATION Made simple fast easy permanent STA-PUT II Spray Adhesive Used endorsed Lanier fl/C Water resistant quick setting strong bonds dries clear STA-PUT II has used industrial applications since 1988 now being made available adult hobbyist Laminate Foam Wing Cores easily neatly fast Simply spray both surfaces allow get tacky align properly assemble firm pressure Useful other applications hobby craft markets especially polystyrene foams used Ask favorite hobby store STA-PUT II name literature call 800-346-2803 IF STA-PUT WONT GLUE IT 9 IT Should interested willing cut out wing ribs bend wire Chuck Gill Airplane Works 2184 Gilbride Road Martinsville NJ 08836 Tel [908] 356-8557 has kits available priced $225 Build both restart WW Stress test recurrent nightmare associated designing model airplane kit manufacturer possibility structural failures either poor workmanship overpowering design As consequence tend overstructure just case leaves wondering just much excess power design could actually handle John Walkers Big Bingo photo powered SuperTigre 4500 John modified vertical fin turtledeck formers made no changes rest fuselage wings two-part wing aluminum pipe/phenolic tube joiner retained frightened bit admittedly 20-pound model will climb 890 angle right out sight has spectacular pulling power through inside outside maneuvers just plain awesome After 60 flights no sign surface flutter structural cracking has observed So really still dont know what too much power Big Bingo might orcraftlSimpson Continued page 67 cabin upright square Join tail posts using triangle align above plan hold joint perfectly vertical builder misses fuselage will twisted tail will tilted respect wing satisfied well add remaining crosspieces diagonals shown plan Notice bottom longerons have gentle curve top longeron has definite break aft door upright may necessary crack joint reglue get right NOW its time select another option mounting engine four-stroke longshaft engine used builder may wish mount radial mount directly firewall case firewall cut shape glued front framework Add -in sheet balsa sides bottom shown plan Mount engine install fuel tank top third tank above needle valve secure tank prevent foaming fuel engine running other hand two-stroke engines relatively short use box fits square cutout firewall extends way back instrument panel fuel tank will mounted inside box has aft end open access tank front 72 Model Aviation scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 3387 N EIlibrvYraIl West Palm Beach FL 83409 407-688-43669 flUDDY SUPER o-I-ufl box -in plywood radial engine mount bolted length box cut properly position engines propeller drive washer about /s ahead cowl best build box fit firewall before mounting firewall adding -in sheeting outlined previous paragraph After engine tank installed fuel tubes sorted out instrument panel -in sheet balsa planking between firewall can installed builder has elected buy fiberglass cowl may now fitted plane either flush firewall overlapped preferred builder elects make cowl use 3/s-in -in balsa rough bottom sides fit between firewall nose bowl Since no compound curve top cowling -in balsa sheet may formed wetting side curve across top may made removable desired Carve sand bottom sides match either plan specific fullscale aircraft being modeled nose bowl sheet balsa must carved sanded match rest cowl Balsa cowls may also bolted firewall cowlmounting blocks same manner fiberglass ones key elements cabin roof/wing center section spar carry-through boxes wing root ribs made /i6-in plywood laminated 346-in sheet balsa Make two root ribs exactly alike front spar carry-through box epoxied top doubled spruce fuselage uprights root ribs rear carrythrough fitted epoxied fuselage top side longerons top cabin crosspieces Carve triangular-shaped balsa block fill gap between root rib aft rear spar carry-through top fuselage longeron Add top fuselage stringers after -in square balsa crosspieces installed Bend landing gear 5/32-indiameter music wire using front side views guides Remember brace wire goes axle middle aft main wire Clean wires will join sand shiny bind soft copper wire use plenty heat solder isnt done order given youll sorry final steps fit struts wing assemble wing struts place fuselage whole works upside down workbench Put 1-inch-thick block under cabin roof wing tips touching workbench will give desired 10 dihedral plane upright wing taped place fit main struts fuselage near aft main gear strut point shown install hold-down bolts through landing gear plate large blind nuts VALVE 5MQK MA8T SMQKERSYSTEM $49 plas $4 shipping & handling ISA Smoker Preheaters Are Twice As Effective As Head Coils Complete Smoker System Ia22Cdc 9 5 & 74 120 4-Cyde Fneines Includes preheater smoker pump smoker valve tubing pressure taps check valve 4-C complete instructions Ask About New CALL b912367O567 Aluminum Visa Mastercard & [AJi4P J AirplaneAmerican EyireSS AMERICANMODEL PRODUCTS Coming SoonAccepteRT3 BOX April 1993 73 #1 IN SUPERIOR QUALITY PRODUCTS Set plane upright block up tail check main wing panel proper incidence least three places panel no warps present drill holes four bolts two through root rib spar stub carry-through box builders choice secure wing panels fuselage Now install radio control linkages sure work smoothly proper direction Add structural scale details desired such gear-axle-to-wheel-pant attachment wing strut cuffs before covering fabric covering used better wait until after plane covered before adding such details plane covered using builders favorite method prototype covered Sig Koverall doped covered Coverite doped Two MonoKoted have seen some restored full-scale Taylorcrafts shiny looked MonoKoted Before flying plane take time check warps Correct found control checks smoothness proper direction Use rate switches exponential control avoid overcontrol Check balance point sure shown plans slightly ahead Finally run engine adjust idle properly Only has done will plane ready fly model flies like Old-Timer free flight except also loops rolls spins flies inverted beautifully readers think special just hide watch get latest clipped-wing version done Theyre really hot * About Cover Continued paqe 53 Robert Benjamin describes himself traditional representational artist has made commitment portrayal aviation subject matter artist member American Society Aviation Artists Examples Benjamins work display San Diego Aerospace Museum Pearson Air Museum Vancouver Washington US Air Force Art Pro gram collection also artist behind sizable collection art work displayed AMA Museum Muncie Indiana 74 Model Aviation inued page 79
Edition: Model Aviation - 1993/04
Page Numbers: 56, 57, 58, 59, 60, 61, 62, 67, 72, 73, 74
NO OCR TEXT NO OCR TEXT corrected drawing vertical fin rudder assumed correct RCM includes enlarged drawing plan sale years later attending air show featuring Duane Cole measured rudder hinge lineand guess what 44 inches long right after Just grins have measured 11 other Taylorcrafts vary 44 54 inches majority being around 51 inches advice follows want great-flying standoff scale plane just build shown cover MonoKote favorite subject colors want higher degree scale homework first Find fullsize plane want copy study details Take two three rolls pictures Draw measure make notes Compare plans make detail changes plans necessary prototype shown accompanying pictures built plans full-size Taylorcraft lived Coronado Airport North Albuquerque New Mexico Pat Tritle built model incorporated myriad special scale details such two long bumps seen top engine cowl housed part full-scale planes special ignition system Doesnt Pat build beautifully great scale detail shown plans because unique particular plane Incidentally full-size plane no destroyed unusual low-altitude low-speed accident airport prettiest picture 1941 Taylorcraft ever saw cover Sport Aviation magazines May 1990 edition published Experimental Aircraft Association [EAA] 3000 Poberezny Road Oshkosh WI 54903 aircraft pictured featured article Norm Petersen about man named Lowell Thomas Tom Baker restored may want write EAA N: UC . STRUTa ELA B RL5R SNT N0a FIBERGLABt COWL/ and purchase issue have suitable subject nearby scale three-view drawings used outline done Don Pratt July 1966 published February 1968 issue nowdefunct American Aircraft Modeler magazine drawing describes full-size airplane being Cub yellow over chocolate brown As writing got telephone call good friend Gil Horstman now lives near Spokane Washington Gil said recently found finally Taylorcraft yellow brown would send pictures looking such example years chuckled confessed ragged out mess So still looking case know Gil also Taylorcraft lover has 1/3-scale version under way Years ago hangar-flying session Gil agreed Taylorcraft first choice one-airplane stable BC-12 fine trainer clipped-wing version great aerobatic airplane Either version also good choice level scale modeling Now arent glad read far last note before begin construction blue-and-yellow version built Pat Tritle won first place its first scale contest Northern New Mexico Scale Classic Static score 8010 flying 7645 bad since Pat says theres lots detail plans favorite 58 Model Aviation 4Well full-scale model Paul Tritles beautiful rendition big T-craft model shows realism enhanced attention little things Little bulges cowl top full-scale plane Paul based model covered planes special ignition system wires T-crafts Swooshing over New Mexico tumbleweeds landing Hows realism Note wings very flat dihedral 1941 TJIYLORC1I1IPT JAMES L SIMPSON -5SPLSR SHtrT ro& BOTTOM 4 $QBRLSG 4 SQ SPRUCE 4 SQSPRLEE CSOSPRUCE lop 6STRINSERS PRUCE SQ SRLSQ jBALSR 561 4 SLRLSQ 4 80 SPRUCE 450 SPRUCE 1WICPL LONGSRCNS UPRIGH1S DIfTGONRLS SQ SPRUCE STRINGERS CE STOCK ~ 5 4 ERLSR CPP STRIPS Sf155 5155 SIlT 58155 TOP & B01180M ISR SATSPLSR WEES I4SRLSS SIlTURS BSR WHEEL PANTS Y Al Id SPLLOCN WI-IELLS 35 LE BGLSR SlEET TOP& 5050W comment about well plane flies Again congratulations Pat such great job CONSTRUCTION Lets begin tail since tails easy build give illusion being one-third done finished First builder needs make some decisions Does want form tips strips AR X -in balsa soaked ammonia water white-glued together around form does prefer cut curved pieces -in sheet basswood Next building true scale using trim tabs shown elevator rudder Incorporate selections remainder structures frames outlined -in-square spruce use -in balsa cross pieces Build framework over plans covered waxed paper After glue dries completely remove waxed paper shape hinge lines match choice scale sport version shown plan Finally round outside edges frames simulate steel tubing used full-scale plane finish-sand flat sides Drill holes brace wires small April 1993 59 / C 6 4 Bare bones tail feathers Tail wheel CB Associates medium-size unit rudder uses pull-pull cables elevator solid pushrod Detail wing strut installation Thats aileron servo cable snaking along out servo installed visible use black nonstretch fish line will glued place after covering final assembly Drill holes large enough 2-56 bolts plan fabricate scale fittings brace wires Cut out stack sand complete set wing ribs Dont cut off aileron portion tailing edge will separated later Cuffing lightening holes ribs optional Drill Vs-in holes ribs aileron pushrods hinge pins Use short lengths yellow Nyrod bushings holes As said beginning what makes plane fly well else being equal shape airfoil especially bottom curve Unfortunately curve also makes harder build wing properly Readers may know easier way am going describe please share us First another decision Does builder want scale rib locations ailerons answer yes DO NOT glue aileron ribs trailing edge answer no cover wing plan waxed paper pin trailing edge place over plan cut inboard end aileron yet Use n balsa will later become leading edge jig strip pin place over plan front spar shown under waxed paper sure waxed paper draped over top strip Put bottom spar place top waxed paper hold pinning rib place Only aft end rib within inch tailing edge should touching building board surface Glue ribs tailing edge Check spar alignment rib placement glue ribs bottom spar Cut strip 1/s-in balsa same width distance between spars approximately inch Cut lengths fit between ribs glue place between rib second rib way out tip plate 12 places wing panel Use same process install 3A2 x -in rear spar webs use 3A2-in sheet balsa shims secure rear spar place over plan satisfied both spars perfectly straight check fit glue both top spars place Check front view wing tip see approximate location tip plate toward top wing glue fourteenth rib Glue upper lower tip ribs tip plate Bend glue spars tip plate little carving will necessary get correct shape Re move wing plan make easier Add laminations top bottom tip bow taper receive leading edge planking Select piece As x 2 x 48-in balsa least medium weight soft light bottom leading edge planking Stick five-inch lengths masking tape bottom centered rib location three inches tape out front sticky side up Pin planking place rear edge aligned centerline front spar Slide strip balsa same size fuselage longeron under aft end wing hold ribs level glue front lower spar planking Start middle wing secured building surface using weights pins use tape lift planking until contacts bottom rib Glue planking rib CyA glue squirt Ed note Means spray lightly accelerator sets immediately Repeat procedure rib side center rib Keep until ribs glued Add top phinking after 60 Model Aviation LAGE TOP VIEW STABILIZERELEVATOR FIN .. ER E SIDE VIEW4 rzzvozz 1941 TAYLORCRAFT Wing tip structural detail reveals basic tip plate Note aileron hinge post pro truding trailing edge Cabin windshield brace details engine mount box cowl hold-down blocks forward portion wing mount Two birds sione caIe radio antenna also part fuselage hatch covers spring-loaded latch Full Size Plans Available-See Page 182 NLfl T -rnn'WING TS WI N ~F4 1 V UTRUNT RN2 -c Dr\ ---~ AILON ~2~_____ t - - ____- ~t7#7 WING F LI T SIDE U UI151 1 -ft 4 URRUURURUUNTRIRNUUMUGRI UTIUTIUG 1941 TAYLOUCRAFT removing pins front spar location using slow CyA glue Using free end pieces masking tape secure sheeting place around front rib Also use tape weights secure aft edge planking top spar Let everything dry overnight Remove pieces tape use long least 11 inches sanding block sand planking rib fronts flat receive x x 48-in balsa leading edge sure wing flat building surface true will move Glue leading edge place secure pins tape Let glue dry completely step closes structural D tube sets wing straight twisted didnt get everything straight true life Use X-Acto saw cut ailerons loose making first cuts angled cuts through ribs cut trailing edge Now go back cut rib stubs off back edge rear spar Glue 6 x -in balsa planking over aft spar aileron cutout Glue -in triangle stock underneath Add cap strips top bottom Cut strut mounts doublers install same aileron bellcrank mount Carefully remove portion root rib between top bottom spars Cut plywood spar webs 55/s long sure slight taper bottom toward fuselage Epoxy between set spars Add 46-in sheet balsa planking hatch aileron servo shown plan aileron can built flat plan Pin trailing edge down over waxed paper add ribs elected scale locations nonscale rib location option chosen pin ribs down since already glued trailing edge Thread piece Sullivan inner Nyrod yellow part through A-in holes ribs hinge pin location tube runs entire length aileron Push piece /is-in music wire though tube tube perfectly straight glue Nyrod rib glue dries remove /i6-in piece wire Add carefully rounded balsa leading edge aileron Add 1/16-in sheet cap strips top bottom Cut notches aileron leading edge three places shown plan Builders have three options controlling ailerons aileron servo may mounted out wing place bellcrank shown may put wing root preference inside cabin area Any choice requires short pushrod wing aileron Ive shown nylon bellcrank epoxied place between aileron ribs Balsa block fillers used make snug fit pivot point connection pushrod shown set back 70 aft perpendicular give differential aileron travel 260 up 190 down feel optimum differential aileron travel may also accomplished using offset bellcraniks use computer radio Regardless method used differential aileron movement definitely helps minimize adverse April 1993 61 Alternative landing gear mount uses channeled hardwood blocks Radio receiver mounts under scale seat plywood floor Access via cabin doors neex Dalsa panels have added entire cabin area including side stringers blended smoothly using sanding block elbow grease yaw tendency plane turn toward down aileron opposite what want plane insure no binding aileron hinge line first cut three slots Is-in yellow Nyrod tube horn locations Now cut three slots rear spar webs hingehorn locations Push three nylon control horns through slots Put wing aileron place shown plan thread A6-in wire through Nyrod previously mentioned horns Use /16-in balsa shims hold clearance gap between aileron spar constant satisfied fit alignment aileron epoxy horns place front aft spar interesting know Pat Tritle used A6-in plywood horns instead nylon ones epoxy cures remove shims check hinge action Connect pushrod pre viously mentioned aileron horn necessary bend slight bow avoid having cut clearance notch aft top spar As-in wire hinge pin can made removable bending short L end toward wing tip gluing slot wing tip Before building second wing panel would worth builders time construct spar carry-through boxes used ensure proper spar alignment during construction second panel Build second wing panel same way first Now get fuselage deci sions scale tail wheel assembly wanted select suitable commercial substitute Likewise cowl wheel pants Most important dont think overpowering model prototypes fly perfectly 120 four-strokes 91 twostrokes Hold maximum engine size Also must know prototype weighs 10/2 pounds dry Finally give some thought control surfaces driven Some builders like pull-pull cables rudder solid pushrod elevator servos under seat Others prefer solid pushrods radio fuselage bay aft wing trailing edge access hatch bottom fuselage plane way Start building fuselage side over waxed-paper-covered plan unpin side sand smooth build Continued page 67 Left SuperTigre 91 Slimline muffler mounts radially extension box throttle servo nearby firewall 62 Model Aviation little details covering left note simulated rib stitching rudder right balsa fills void between landing gear wires has pinked tape edging Wing-bottom detailing L rib stitching rim inspection hole cover R scale U bracket attaching jury struts another inspection hole rim Wing root reveals protruding wing spar stubs will slip boxes built cabin roof Pat Tritles scale instrument panel control wheels fabricated bent brass rods soldered together Above molded fiberglass cowl Builder can either make own buy commercial unit RI EIDMRIRXt RI E fS PRESENTS $28500 Including Shipping Handling LOOK WHATS BEEN LIBERATED B-24D FIBERGLASS FUSELAGE NACELLES COWLS WING 108 ENGINE 4-40 FOAM WINGS & STABS ff--K- Li COMING IN APRIL Send Check Money Order BOMBER BOYS P 0 BOX ABC BRADLEY WV 25818 304 877-2336 items can tested determine function intended durability can also observed Landing gear b Folding wings c Hood canopy hatch 7 Assembly methods Building model gives good indication sequence assembly operations required full-scale aircraft operations include following Skinning b Component alignment c Canopy installation An excellent article Dynamic Modeling featured July August 1987 issues Sport Aviation explains detail use scale models simulating dynamic flight characteristics full-scale aircraft bibliography reference material have used design aircraft follows article next installment series Snipe will cover design building testing model conclusions reached concerning flight performance continued BIBLIOGRAPHY Abbott Ira H Albert E Von Doenhoff Theory Wing Sections New York NY Dover Publishing Inc 1959 Bonacci Nick Aircraft Sheet Metal Casper Wyo lAP Inc 1987 Breneman John W Strength Materials 2nd ed New York NY McGraw-Hill Book Company Inc 1952 Dzik Stanley J Aircraft Hardware Standards Manual & Engineering Reference Appleton Wis Aviation Publications 1977 Hoerner Sighard F Fluid-Dynamic Drag Midland Park NJ S F Hoerner 1958 Pazmany L Landing Gear Design Light Aircraft Vol 1 San Diego Calif Pazmany Aircraft Corporation 1986 Light Aircraft Design 3rd ed San Diego Calif L Pazmany 1963 L Pazmany H Prentice C Waterman F Tietge Potential Structural Materials Design Concepts Light Airplanes Springfield Va National Technical Information Service US Department Commerce 1968 Poberezny Paul H Schmid SH Custom Built Sport Aircraft Handbook Oshkosh Wis BAA Aviation Foundation 1986 Rhodes 0 Thompson Stress Without Tears Indianapolis md Jacobs Publishing Inc 1990 Thurston David B Design Flying New York NY McGraw-Hill Book Company 1978 US Government Printing Office Code Federal Regulations Title 14Aeronautics Space Parts 59 Office Federal Register National Archives Records Administration 1989 orcraftlSimpson Continued paqe 62 second side directly over first side waxed paper between Remember sides framework sheet stuff will added later Cut -in Lite Ply gear mount fit between lower fuselage longerons 5 front back Use large pins small nails securely attach building surface over waxed-paper-covered top view Use least three large right triangles hold fuselage sides vertical Make sure tail posts same height above bench dont want build twist fuselage Before gluing fuselage sides landing gear mount sand correct taper aft ends sides pulled together over plans two will total k Next glue longerons landing gear mount Carefully cut fuselage crosspieces length glue place across top cabin between uprights define cabin doors Use triangles hold Continued page 72 OPPORTUNITY OF LIFE TIME! Turn key business sale estab lished kit manufacturer Can run garage desired High profit margin Call 813- 854-KITS April 1993 67 [ ADVANCED AERO PRODUCTS YS & OS SURPASS 120 kJ1 7f/~ IEXHAIJST SYSTEMS FOR PATTERN AIRCRAFT AND ULTIMATE BWE SIUCONE COUPLERS AND TAIL PIPES AlSO AVAILABLE CALL OA WflE F WOf4ATU4DAALCR NQJIFES IfTED RT 1 BOX 366-C ANNA TX 75409 214 924-3940 CMPUIERIID MRCRA1I Pb9lS Technical Illustratiolls Suitable Framing Scale ting Scanning Services 3 Views D-TECH SYSTEMS 325 Shawnee Trail Catalog $ioa Carterville IL 62918 6189852383 PLANE VIDEO GIVES YOU LIBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT IULBflflME 2-2 HOUR VIDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRATr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSHRODS ALIGNMENT BALANCING AND MUCH MORE $3495 shIpping 1600 foreign order AEROBATICS & GROUND SCHOOL 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFFS SPINS CROSS WIND TECHNIQUES SNAP ROLlS AND MOUL $1985 shIpping 1600011 foreign order BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INFORMATION ON FOAM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH FG CLOTH PAINTING & DETAILING $1906 $300 shIpping 1600 foreign orders TAPES AVAILABLE IN l11S OILY SEIC CHECK OR MO PLANE VIDEO P0 BOX 23126 CLI yE IA 50325 V1S4 ca 1-800-383-8251 515-2230607 HOUR TOLL FREE IA NE5ENT5 ADO 4% SALlE 1*1 FOAM WING CORE LAMINATION Made simple fast easy permanent STA-PUT II Spray Adhesive Used endorsed Lanier fl/C Water resistant quick setting strong bonds dries clear STA-PUT II has used industrial applications since 1988 now being made available adult hobbyist Laminate Foam Wing Cores easily neatly fast Simply spray both surfaces allow get tacky align properly assemble firm pressure Useful other applications hobby craft markets especially polystyrene foams used Ask favorite hobby store STA-PUT II name literature call 800-346-2803 IF STA-PUT WONT GLUE IT 9 IT Should interested willing cut out wing ribs bend wire Chuck Gill Airplane Works 2184 Gilbride Road Martinsville NJ 08836 Tel [908] 356-8557 has kits available priced $225 Build both restart WW Stress test recurrent nightmare associated designing model airplane kit manufacturer possibility structural failures either poor workmanship overpowering design As consequence tend overstructure just case leaves wondering just much excess power design could actually handle John Walkers Big Bingo photo powered SuperTigre 4500 John modified vertical fin turtledeck formers made no changes rest fuselage wings two-part wing aluminum pipe/phenolic tube joiner retained frightened bit admittedly 20-pound model will climb 890 angle right out sight has spectacular pulling power through inside outside maneuvers just plain awesome After 60 flights no sign surface flutter structural cracking has observed So really still dont know what too much power Big Bingo might orcraftlSimpson Continued page 67 cabin upright square Join tail posts using triangle align above plan hold joint perfectly vertical builder misses fuselage will twisted tail will tilted respect wing satisfied well add remaining crosspieces diagonals shown plan Notice bottom longerons have gentle curve top longeron has definite break aft door upright may necessary crack joint reglue get right NOW its time select another option mounting engine four-stroke longshaft engine used builder may wish mount radial mount directly firewall case firewall cut shape glued front framework Add -in sheet balsa sides bottom shown plan Mount engine install fuel tank top third tank above needle valve secure tank prevent foaming fuel engine running other hand two-stroke engines relatively short use box fits square cutout firewall extends way back instrument panel fuel tank will mounted inside box has aft end open access tank front 72 Model Aviation scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 3387 N EIlibrvYraIl West Palm Beach FL 83409 407-688-43669 flUDDY SUPER o-I-ufl box -in plywood radial engine mount bolted length box cut properly position engines propeller drive washer about /s ahead cowl best build box fit firewall before mounting firewall adding -in sheeting outlined previous paragraph After engine tank installed fuel tubes sorted out instrument panel -in sheet balsa planking between firewall can installed builder has elected buy fiberglass cowl may now fitted plane either flush firewall overlapped preferred builder elects make cowl use 3/s-in -in balsa rough bottom sides fit between firewall nose bowl Since no compound curve top cowling -in balsa sheet may formed wetting side curve across top may made removable desired Carve sand bottom sides match either plan specific fullscale aircraft being modeled nose bowl sheet balsa must carved sanded match rest cowl Balsa cowls may also bolted firewall cowlmounting blocks same manner fiberglass ones key elements cabin roof/wing center section spar carry-through boxes wing root ribs made /i6-in plywood laminated 346-in sheet balsa Make two root ribs exactly alike front spar carry-through box epoxied top doubled spruce fuselage uprights root ribs rear carrythrough fitted epoxied fuselage top side longerons top cabin crosspieces Carve triangular-shaped balsa block fill gap between root rib aft rear spar carry-through top fuselage longeron Add top fuselage stringers after -in square balsa crosspieces installed Bend landing gear 5/32-indiameter music wire using front side views guides Remember brace wire goes axle middle aft main wire Clean wires will join sand shiny bind soft copper wire use plenty heat solder isnt done order given youll sorry final steps fit struts wing assemble wing struts place fuselage whole works upside down workbench Put 1-inch-thick block under cabin roof wing tips touching workbench will give desired 10 dihedral plane upright wing taped place fit main struts fuselage near aft main gear strut point shown install hold-down bolts through landing gear plate large blind nuts VALVE 5MQK MA8T SMQKERSYSTEM $49 plas $4 shipping & handling ISA Smoker Preheaters Are Twice As Effective As Head Coils Complete Smoker System Ia22Cdc 9 5 & 74 120 4-Cyde Fneines Includes preheater smoker pump smoker valve tubing pressure taps check valve 4-C complete instructions Ask About New CALL b912367O567 Aluminum Visa Mastercard & [AJi4P J AirplaneAmerican EyireSS AMERICANMODEL PRODUCTS Coming SoonAccepteRT3 BOX April 1993 73 #1 IN SUPERIOR QUALITY PRODUCTS Set plane upright block up tail check main wing panel proper incidence least three places panel no warps present drill holes four bolts two through root rib spar stub carry-through box builders choice secure wing panels fuselage Now install radio control linkages sure work smoothly proper direction Add structural scale details desired such gear-axle-to-wheel-pant attachment wing strut cuffs before covering fabric covering used better wait until after plane covered before adding such details plane covered using builders favorite method prototype covered Sig Koverall doped covered Coverite doped Two MonoKoted have seen some restored full-scale Taylorcrafts shiny looked MonoKoted Before flying plane take time check warps Correct found control checks smoothness proper direction Use rate switches exponential control avoid overcontrol Check balance point sure shown plans slightly ahead Finally run engine adjust idle properly Only has done will plane ready fly model flies like Old-Timer free flight except also loops rolls spins flies inverted beautifully readers think special just hide watch get latest clipped-wing version done Theyre really hot * About Cover Continued paqe 53 Robert Benjamin describes himself traditional representational artist has made commitment portrayal aviation subject matter artist member American Society Aviation Artists Examples Benjamins work display San Diego Aerospace Museum Pearson Air Museum Vancouver Washington US Air Force Art Pro gram collection also artist behind sizable collection art work displayed AMA Museum Muncie Indiana 74 Model Aviation inued page 79
Edition: Model Aviation - 1993/04
Page Numbers: 56, 57, 58, 59, 60, 61, 62, 67, 72, 73, 74
NO OCR TEXT NO OCR TEXT corrected drawing vertical fin rudder assumed correct RCM includes enlarged drawing plan sale years later attending air show featuring Duane Cole measured rudder hinge lineand guess what 44 inches long right after Just grins have measured 11 other Taylorcrafts vary 44 54 inches majority being around 51 inches advice follows want great-flying standoff scale plane just build shown cover MonoKote favorite subject colors want higher degree scale homework first Find fullsize plane want copy study details Take two three rolls pictures Draw measure make notes Compare plans make detail changes plans necessary prototype shown accompanying pictures built plans full-size Taylorcraft lived Coronado Airport North Albuquerque New Mexico Pat Tritle built model incorporated myriad special scale details such two long bumps seen top engine cowl housed part full-scale planes special ignition system Doesnt Pat build beautifully great scale detail shown plans because unique particular plane Incidentally full-size plane no destroyed unusual low-altitude low-speed accident airport prettiest picture 1941 Taylorcraft ever saw cover Sport Aviation magazines May 1990 edition published Experimental Aircraft Association [EAA] 3000 Poberezny Road Oshkosh WI 54903 aircraft pictured featured article Norm Petersen about man named Lowell Thomas Tom Baker restored may want write EAA N: UC . STRUTa ELA B RL5R SNT N0a FIBERGLABt COWL/ and purchase issue have suitable subject nearby scale three-view drawings used outline done Don Pratt July 1966 published February 1968 issue nowdefunct American Aircraft Modeler magazine drawing describes full-size airplane being Cub yellow over chocolate brown As writing got telephone call good friend Gil Horstman now lives near Spokane Washington Gil said recently found finally Taylorcraft yellow brown would send pictures looking such example years chuckled confessed ragged out mess So still looking case know Gil also Taylorcraft lover has 1/3-scale version under way Years ago hangar-flying session Gil agreed Taylorcraft first choice one-airplane stable BC-12 fine trainer clipped-wing version great aerobatic airplane Either version also good choice level scale modeling Now arent glad read far last note before begin construction blue-and-yellow version built Pat Tritle won first place its first scale contest Northern New Mexico Scale Classic Static score 8010 flying 7645 bad since Pat says theres lots detail plans favorite 58 Model Aviation 4Well full-scale model Paul Tritles beautiful rendition big T-craft model shows realism enhanced attention little things Little bulges cowl top full-scale plane Paul based model covered planes special ignition system wires T-crafts Swooshing over New Mexico tumbleweeds landing Hows realism Note wings very flat dihedral 1941 TJIYLORC1I1IPT JAMES L SIMPSON -5SPLSR SHtrT ro& BOTTOM 4 $QBRLSG 4 SQ SPRUCE 4 SQSPRLEE CSOSPRUCE lop 6STRINSERS PRUCE SQ SRLSQ jBALSR 561 4 SLRLSQ 4 80 SPRUCE 450 SPRUCE 1WICPL LONGSRCNS UPRIGH1S DIfTGONRLS SQ SPRUCE STRINGERS CE STOCK ~ 5 4 ERLSR CPP STRIPS Sf155 5155 SIlT 58155 TOP & B01180M ISR SATSPLSR WEES I4SRLSS SIlTURS BSR WHEEL PANTS Y Al Id SPLLOCN WI-IELLS 35 LE BGLSR SlEET TOP& 5050W comment about well plane flies Again congratulations Pat such great job CONSTRUCTION Lets begin tail since tails easy build give illusion being one-third done finished First builder needs make some decisions Does want form tips strips AR X -in balsa soaked ammonia water white-glued together around form does prefer cut curved pieces -in sheet basswood Next building true scale using trim tabs shown elevator rudder Incorporate selections remainder structures frames outlined -in-square spruce use -in balsa cross pieces Build framework over plans covered waxed paper After glue dries completely remove waxed paper shape hinge lines match choice scale sport version shown plan Finally round outside edges frames simulate steel tubing used full-scale plane finish-sand flat sides Drill holes brace wires small April 1993 59 / C 6 4 Bare bones tail feathers Tail wheel CB Associates medium-size unit rudder uses pull-pull cables elevator solid pushrod Detail wing strut installation Thats aileron servo cable snaking along out servo installed visible use black nonstretch fish line will glued place after covering final assembly Drill holes large enough 2-56 bolts plan fabricate scale fittings brace wires Cut out stack sand complete set wing ribs Dont cut off aileron portion tailing edge will separated later Cuffing lightening holes ribs optional Drill Vs-in holes ribs aileron pushrods hinge pins Use short lengths yellow Nyrod bushings holes As said beginning what makes plane fly well else being equal shape airfoil especially bottom curve Unfortunately curve also makes harder build wing properly Readers may know easier way am going describe please share us First another decision Does builder want scale rib locations ailerons answer yes DO NOT glue aileron ribs trailing edge answer no cover wing plan waxed paper pin trailing edge place over plan cut inboard end aileron yet Use n balsa will later become leading edge jig strip pin place over plan front spar shown under waxed paper sure waxed paper draped over top strip Put bottom spar place top waxed paper hold pinning rib place Only aft end rib within inch tailing edge should touching building board surface Glue ribs tailing edge Check spar alignment rib placement glue ribs bottom spar Cut strip 1/s-in balsa same width distance between spars approximately inch Cut lengths fit between ribs glue place between rib second rib way out tip plate 12 places wing panel Use same process install 3A2 x -in rear spar webs use 3A2-in sheet balsa shims secure rear spar place over plan satisfied both spars perfectly straight check fit glue both top spars place Check front view wing tip see approximate location tip plate toward top wing glue fourteenth rib Glue upper lower tip ribs tip plate Bend glue spars tip plate little carving will necessary get correct shape Re move wing plan make easier Add laminations top bottom tip bow taper receive leading edge planking Select piece As x 2 x 48-in balsa least medium weight soft light bottom leading edge planking Stick five-inch lengths masking tape bottom centered rib location three inches tape out front sticky side up Pin planking place rear edge aligned centerline front spar Slide strip balsa same size fuselage longeron under aft end wing hold ribs level glue front lower spar planking Start middle wing secured building surface using weights pins use tape lift planking until contacts bottom rib Glue planking rib CyA glue squirt Ed note Means spray lightly accelerator sets immediately Repeat procedure rib side center rib Keep until ribs glued Add top phinking after 60 Model Aviation LAGE TOP VIEW STABILIZERELEVATOR FIN .. ER E SIDE VIEW4 rzzvozz 1941 TAYLORCRAFT Wing tip structural detail reveals basic tip plate Note aileron hinge post pro truding trailing edge Cabin windshield brace details engine mount box cowl hold-down blocks forward portion wing mount Two birds sione caIe radio antenna also part fuselage hatch covers spring-loaded latch Full Size Plans Available-See Page 182 NLfl T -rnn'WING TS WI N ~F4 1 V UTRUNT RN2 -c Dr\ ---~ AILON ~2~_____ t - - ____- ~t7#7 WING F LI T SIDE U UI151 1 -ft 4 URRUURURUUNTRIRNUUMUGRI UTIUTIUG 1941 TAYLOUCRAFT removing pins front spar location using slow CyA glue Using free end pieces masking tape secure sheeting place around front rib Also use tape weights secure aft edge planking top spar Let everything dry overnight Remove pieces tape use long least 11 inches sanding block sand planking rib fronts flat receive x x 48-in balsa leading edge sure wing flat building surface true will move Glue leading edge place secure pins tape Let glue dry completely step closes structural D tube sets wing straight twisted didnt get everything straight true life Use X-Acto saw cut ailerons loose making first cuts angled cuts through ribs cut trailing edge Now go back cut rib stubs off back edge rear spar Glue 6 x -in balsa planking over aft spar aileron cutout Glue -in triangle stock underneath Add cap strips top bottom Cut strut mounts doublers install same aileron bellcrank mount Carefully remove portion root rib between top bottom spars Cut plywood spar webs 55/s long sure slight taper bottom toward fuselage Epoxy between set spars Add 46-in sheet balsa planking hatch aileron servo shown plan aileron can built flat plan Pin trailing edge down over waxed paper add ribs elected scale locations nonscale rib location option chosen pin ribs down since already glued trailing edge Thread piece Sullivan inner Nyrod yellow part through A-in holes ribs hinge pin location tube runs entire length aileron Push piece /is-in music wire though tube tube perfectly straight glue Nyrod rib glue dries remove /i6-in piece wire Add carefully rounded balsa leading edge aileron Add 1/16-in sheet cap strips top bottom Cut notches aileron leading edge three places shown plan Builders have three options controlling ailerons aileron servo may mounted out wing place bellcrank shown may put wing root preference inside cabin area Any choice requires short pushrod wing aileron Ive shown nylon bellcrank epoxied place between aileron ribs Balsa block fillers used make snug fit pivot point connection pushrod shown set back 70 aft perpendicular give differential aileron travel 260 up 190 down feel optimum differential aileron travel may also accomplished using offset bellcraniks use computer radio Regardless method used differential aileron movement definitely helps minimize adverse April 1993 61 Alternative landing gear mount uses channeled hardwood blocks Radio receiver mounts under scale seat plywood floor Access via cabin doors neex Dalsa panels have added entire cabin area including side stringers blended smoothly using sanding block elbow grease yaw tendency plane turn toward down aileron opposite what want plane insure no binding aileron hinge line first cut three slots Is-in yellow Nyrod tube horn locations Now cut three slots rear spar webs hingehorn locations Push three nylon control horns through slots Put wing aileron place shown plan thread A6-in wire through Nyrod previously mentioned horns Use /16-in balsa shims hold clearance gap between aileron spar constant satisfied fit alignment aileron epoxy horns place front aft spar interesting know Pat Tritle used A6-in plywood horns instead nylon ones epoxy cures remove shims check hinge action Connect pushrod pre viously mentioned aileron horn necessary bend slight bow avoid having cut clearance notch aft top spar As-in wire hinge pin can made removable bending short L end toward wing tip gluing slot wing tip Before building second wing panel would worth builders time construct spar carry-through boxes used ensure proper spar alignment during construction second panel Build second wing panel same way first Now get fuselage deci sions scale tail wheel assembly wanted select suitable commercial substitute Likewise cowl wheel pants Most important dont think overpowering model prototypes fly perfectly 120 four-strokes 91 twostrokes Hold maximum engine size Also must know prototype weighs 10/2 pounds dry Finally give some thought control surfaces driven Some builders like pull-pull cables rudder solid pushrod elevator servos under seat Others prefer solid pushrods radio fuselage bay aft wing trailing edge access hatch bottom fuselage plane way Start building fuselage side over waxed-paper-covered plan unpin side sand smooth build Continued page 67 Left SuperTigre 91 Slimline muffler mounts radially extension box throttle servo nearby firewall 62 Model Aviation little details covering left note simulated rib stitching rudder right balsa fills void between landing gear wires has pinked tape edging Wing-bottom detailing L rib stitching rim inspection hole cover R scale U bracket attaching jury struts another inspection hole rim Wing root reveals protruding wing spar stubs will slip boxes built cabin roof Pat Tritles scale instrument panel control wheels fabricated bent brass rods soldered together Above molded fiberglass cowl Builder can either make own buy commercial unit RI EIDMRIRXt RI E fS PRESENTS $28500 Including Shipping Handling LOOK WHATS BEEN LIBERATED B-24D FIBERGLASS FUSELAGE NACELLES COWLS WING 108 ENGINE 4-40 FOAM WINGS & STABS ff--K- Li COMING IN APRIL Send Check Money Order BOMBER BOYS P 0 BOX ABC BRADLEY WV 25818 304 877-2336 items can tested determine function intended durability can also observed Landing gear b Folding wings c Hood canopy hatch 7 Assembly methods Building model gives good indication sequence assembly operations required full-scale aircraft operations include following Skinning b Component alignment c Canopy installation An excellent article Dynamic Modeling featured July August 1987 issues Sport Aviation explains detail use scale models simulating dynamic flight characteristics full-scale aircraft bibliography reference material have used design aircraft follows article next installment series Snipe will cover design building testing model conclusions reached concerning flight performance continued BIBLIOGRAPHY Abbott Ira H Albert E Von Doenhoff Theory Wing Sections New York NY Dover Publishing Inc 1959 Bonacci Nick Aircraft Sheet Metal Casper Wyo lAP Inc 1987 Breneman John W Strength Materials 2nd ed New York NY McGraw-Hill Book Company Inc 1952 Dzik Stanley J Aircraft Hardware Standards Manual & Engineering Reference Appleton Wis Aviation Publications 1977 Hoerner Sighard F Fluid-Dynamic Drag Midland Park NJ S F Hoerner 1958 Pazmany L Landing Gear Design Light Aircraft Vol 1 San Diego Calif Pazmany Aircraft Corporation 1986 Light Aircraft Design 3rd ed San Diego Calif L Pazmany 1963 L Pazmany H Prentice C Waterman F Tietge Potential Structural Materials Design Concepts Light Airplanes Springfield Va National Technical Information Service US Department Commerce 1968 Poberezny Paul H Schmid SH Custom Built Sport Aircraft Handbook Oshkosh Wis BAA Aviation Foundation 1986 Rhodes 0 Thompson Stress Without Tears Indianapolis md Jacobs Publishing Inc 1990 Thurston David B Design Flying New York NY McGraw-Hill Book Company 1978 US Government Printing Office Code Federal Regulations Title 14Aeronautics Space Parts 59 Office Federal Register National Archives Records Administration 1989 orcraftlSimpson Continued paqe 62 second side directly over first side waxed paper between Remember sides framework sheet stuff will added later Cut -in Lite Ply gear mount fit between lower fuselage longerons 5 front back Use large pins small nails securely attach building surface over waxed-paper-covered top view Use least three large right triangles hold fuselage sides vertical Make sure tail posts same height above bench dont want build twist fuselage Before gluing fuselage sides landing gear mount sand correct taper aft ends sides pulled together over plans two will total k Next glue longerons landing gear mount Carefully cut fuselage crosspieces length glue place across top cabin between uprights define cabin doors Use triangles hold Continued page 72 OPPORTUNITY OF LIFE TIME! Turn key business sale estab lished kit manufacturer Can run garage desired High profit margin Call 813- 854-KITS April 1993 67 [ ADVANCED AERO PRODUCTS YS & OS SURPASS 120 kJ1 7f/~ IEXHAIJST SYSTEMS FOR PATTERN AIRCRAFT AND ULTIMATE BWE SIUCONE COUPLERS AND TAIL PIPES AlSO AVAILABLE CALL OA WflE F WOf4ATU4DAALCR NQJIFES IfTED RT 1 BOX 366-C ANNA TX 75409 214 924-3940 CMPUIERIID MRCRA1I Pb9lS Technical Illustratiolls Suitable Framing Scale ting Scanning Services 3 Views D-TECH SYSTEMS 325 Shawnee Trail Catalog $ioa Carterville IL 62918 6189852383 PLANE VIDEO GIVES YOU LIBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT IULBflflME 2-2 HOUR VIDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRATr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSHRODS ALIGNMENT BALANCING AND MUCH MORE $3495 shIpping 1600 foreign order AEROBATICS & GROUND SCHOOL 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFFS SPINS CROSS WIND TECHNIQUES SNAP ROLlS AND MOUL $1985 shIpping 1600011 foreign order BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INFORMATION ON FOAM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH FG CLOTH PAINTING & DETAILING $1906 $300 shIpping 1600 foreign orders TAPES AVAILABLE IN l11S OILY SEIC CHECK OR MO PLANE VIDEO P0 BOX 23126 CLI yE IA 50325 V1S4 ca 1-800-383-8251 515-2230607 HOUR TOLL FREE IA NE5ENT5 ADO 4% SALlE 1*1 FOAM WING CORE LAMINATION Made simple fast easy permanent STA-PUT II Spray Adhesive Used endorsed Lanier fl/C Water resistant quick setting strong bonds dries clear STA-PUT II has used industrial applications since 1988 now being made available adult hobbyist Laminate Foam Wing Cores easily neatly fast Simply spray both surfaces allow get tacky align properly assemble firm pressure Useful other applications hobby craft markets especially polystyrene foams used Ask favorite hobby store STA-PUT II name literature call 800-346-2803 IF STA-PUT WONT GLUE IT 9 IT Should interested willing cut out wing ribs bend wire Chuck Gill Airplane Works 2184 Gilbride Road Martinsville NJ 08836 Tel [908] 356-8557 has kits available priced $225 Build both restart WW Stress test recurrent nightmare associated designing model airplane kit manufacturer possibility structural failures either poor workmanship overpowering design As consequence tend overstructure just case leaves wondering just much excess power design could actually handle John Walkers Big Bingo photo powered SuperTigre 4500 John modified vertical fin turtledeck formers made no changes rest fuselage wings two-part wing aluminum pipe/phenolic tube joiner retained frightened bit admittedly 20-pound model will climb 890 angle right out sight has spectacular pulling power through inside outside maneuvers just plain awesome After 60 flights no sign surface flutter structural cracking has observed So really still dont know what too much power Big Bingo might orcraftlSimpson Continued page 67 cabin upright square Join tail posts using triangle align above plan hold joint perfectly vertical builder misses fuselage will twisted tail will tilted respect wing satisfied well add remaining crosspieces diagonals shown plan Notice bottom longerons have gentle curve top longeron has definite break aft door upright may necessary crack joint reglue get right NOW its time select another option mounting engine four-stroke longshaft engine used builder may wish mount radial mount directly firewall case firewall cut shape glued front framework Add -in sheet balsa sides bottom shown plan Mount engine install fuel tank top third tank above needle valve secure tank prevent foaming fuel engine running other hand two-stroke engines relatively short use box fits square cutout firewall extends way back instrument panel fuel tank will mounted inside box has aft end open access tank front 72 Model Aviation scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 3387 N EIlibrvYraIl West Palm Beach FL 83409 407-688-43669 flUDDY SUPER o-I-ufl box -in plywood radial engine mount bolted length box cut properly position engines propeller drive washer about /s ahead cowl best build box fit firewall before mounting firewall adding -in sheeting outlined previous paragraph After engine tank installed fuel tubes sorted out instrument panel -in sheet balsa planking between firewall can installed builder has elected buy fiberglass cowl may now fitted plane either flush firewall overlapped preferred builder elects make cowl use 3/s-in -in balsa rough bottom sides fit between firewall nose bowl Since no compound curve top cowling -in balsa sheet may formed wetting side curve across top may made removable desired Carve sand bottom sides match either plan specific fullscale aircraft being modeled nose bowl sheet balsa must carved sanded match rest cowl Balsa cowls may also bolted firewall cowlmounting blocks same manner fiberglass ones key elements cabin roof/wing center section spar carry-through boxes wing root ribs made /i6-in plywood laminated 346-in sheet balsa Make two root ribs exactly alike front spar carry-through box epoxied top doubled spruce fuselage uprights root ribs rear carrythrough fitted epoxied fuselage top side longerons top cabin crosspieces Carve triangular-shaped balsa block fill gap between root rib aft rear spar carry-through top fuselage longeron Add top fuselage stringers after -in square balsa crosspieces installed Bend landing gear 5/32-indiameter music wire using front side views guides Remember brace wire goes axle middle aft main wire Clean wires will join sand shiny bind soft copper wire use plenty heat solder isnt done order given youll sorry final steps fit struts wing assemble wing struts place fuselage whole works upside down workbench Put 1-inch-thick block under cabin roof wing tips touching workbench will give desired 10 dihedral plane upright wing taped place fit main struts fuselage near aft main gear strut point shown install hold-down bolts through landing gear plate large blind nuts VALVE 5MQK MA8T SMQKERSYSTEM $49 plas $4 shipping & handling ISA Smoker Preheaters Are Twice As Effective As Head Coils Complete Smoker System Ia22Cdc 9 5 & 74 120 4-Cyde Fneines Includes preheater smoker pump smoker valve tubing pressure taps check valve 4-C complete instructions Ask About New CALL b912367O567 Aluminum Visa Mastercard & [AJi4P J AirplaneAmerican EyireSS AMERICANMODEL PRODUCTS Coming SoonAccepteRT3 BOX April 1993 73 #1 IN SUPERIOR QUALITY PRODUCTS Set plane upright block up tail check main wing panel proper incidence least three places panel no warps present drill holes four bolts two through root rib spar stub carry-through box builders choice secure wing panels fuselage Now install radio control linkages sure work smoothly proper direction Add structural scale details desired such gear-axle-to-wheel-pant attachment wing strut cuffs before covering fabric covering used better wait until after plane covered before adding such details plane covered using builders favorite method prototype covered Sig Koverall doped covered Coverite doped Two MonoKoted have seen some restored full-scale Taylorcrafts shiny looked MonoKoted Before flying plane take time check warps Correct found control checks smoothness proper direction Use rate switches exponential control avoid overcontrol Check balance point sure shown plans slightly ahead Finally run engine adjust idle properly Only has done will plane ready fly model flies like Old-Timer free flight except also loops rolls spins flies inverted beautifully readers think special just hide watch get latest clipped-wing version done Theyre really hot * About Cover Continued paqe 53 Robert Benjamin describes himself traditional representational artist has made commitment portrayal aviation subject matter artist member American Society Aviation Artists Examples Benjamins work display San Diego Aerospace Museum Pearson Air Museum Vancouver Washington US Air Force Art Pro gram collection also artist behind sizable collection art work displayed AMA Museum Muncie Indiana 74 Model Aviation inued page 79
Edition: Model Aviation - 1993/04
Page Numbers: 56, 57, 58, 59, 60, 61, 62, 67, 72, 73, 74
NO OCR TEXT NO OCR TEXT corrected drawing vertical fin rudder assumed correct RCM includes enlarged drawing plan sale years later attending air show featuring Duane Cole measured rudder hinge lineand guess what 44 inches long right after Just grins have measured 11 other Taylorcrafts vary 44 54 inches majority being around 51 inches advice follows want great-flying standoff scale plane just build shown cover MonoKote favorite subject colors want higher degree scale homework first Find fullsize plane want copy study details Take two three rolls pictures Draw measure make notes Compare plans make detail changes plans necessary prototype shown accompanying pictures built plans full-size Taylorcraft lived Coronado Airport North Albuquerque New Mexico Pat Tritle built model incorporated myriad special scale details such two long bumps seen top engine cowl housed part full-scale planes special ignition system Doesnt Pat build beautifully great scale detail shown plans because unique particular plane Incidentally full-size plane no destroyed unusual low-altitude low-speed accident airport prettiest picture 1941 Taylorcraft ever saw cover Sport Aviation magazines May 1990 edition published Experimental Aircraft Association [EAA] 3000 Poberezny Road Oshkosh WI 54903 aircraft pictured featured article Norm Petersen about man named Lowell Thomas Tom Baker restored may want write EAA N: UC . STRUTa ELA B RL5R SNT N0a FIBERGLABt COWL/ and purchase issue have suitable subject nearby scale three-view drawings used outline done Don Pratt July 1966 published February 1968 issue nowdefunct American Aircraft Modeler magazine drawing describes full-size airplane being Cub yellow over chocolate brown As writing got telephone call good friend Gil Horstman now lives near Spokane Washington Gil said recently found finally Taylorcraft yellow brown would send pictures looking such example years chuckled confessed ragged out mess So still looking case know Gil also Taylorcraft lover has 1/3-scale version under way Years ago hangar-flying session Gil agreed Taylorcraft first choice one-airplane stable BC-12 fine trainer clipped-wing version great aerobatic airplane Either version also good choice level scale modeling Now arent glad read far last note before begin construction blue-and-yellow version built Pat Tritle won first place its first scale contest Northern New Mexico Scale Classic Static score 8010 flying 7645 bad since Pat says theres lots detail plans favorite 58 Model Aviation 4Well full-scale model Paul Tritles beautiful rendition big T-craft model shows realism enhanced attention little things Little bulges cowl top full-scale plane Paul based model covered planes special ignition system wires T-crafts Swooshing over New Mexico tumbleweeds landing Hows realism Note wings very flat dihedral 1941 TJIYLORC1I1IPT JAMES L SIMPSON -5SPLSR SHtrT ro& BOTTOM 4 $QBRLSG 4 SQ SPRUCE 4 SQSPRLEE CSOSPRUCE lop 6STRINSERS PRUCE SQ SRLSQ jBALSR 561 4 SLRLSQ 4 80 SPRUCE 450 SPRUCE 1WICPL LONGSRCNS UPRIGH1S DIfTGONRLS SQ SPRUCE STRINGERS CE STOCK ~ 5 4 ERLSR CPP STRIPS Sf155 5155 SIlT 58155 TOP & B01180M ISR SATSPLSR WEES I4SRLSS SIlTURS BSR WHEEL PANTS Y Al Id SPLLOCN WI-IELLS 35 LE BGLSR SlEET TOP& 5050W comment about well plane flies Again congratulations Pat such great job CONSTRUCTION Lets begin tail since tails easy build give illusion being one-third done finished First builder needs make some decisions Does want form tips strips AR X -in balsa soaked ammonia water white-glued together around form does prefer cut curved pieces -in sheet basswood Next building true scale using trim tabs shown elevator rudder Incorporate selections remainder structures frames outlined -in-square spruce use -in balsa cross pieces Build framework over plans covered waxed paper After glue dries completely remove waxed paper shape hinge lines match choice scale sport version shown plan Finally round outside edges frames simulate steel tubing used full-scale plane finish-sand flat sides Drill holes brace wires small April 1993 59 / C 6 4 Bare bones tail feathers Tail wheel CB Associates medium-size unit rudder uses pull-pull cables elevator solid pushrod Detail wing strut installation Thats aileron servo cable snaking along out servo installed visible use black nonstretch fish line will glued place after covering final assembly Drill holes large enough 2-56 bolts plan fabricate scale fittings brace wires Cut out stack sand complete set wing ribs Dont cut off aileron portion tailing edge will separated later Cuffing lightening holes ribs optional Drill Vs-in holes ribs aileron pushrods hinge pins Use short lengths yellow Nyrod bushings holes As said beginning what makes plane fly well else being equal shape airfoil especially bottom curve Unfortunately curve also makes harder build wing properly Readers may know easier way am going describe please share us First another decision Does builder want scale rib locations ailerons answer yes DO NOT glue aileron ribs trailing edge answer no cover wing plan waxed paper pin trailing edge place over plan cut inboard end aileron yet Use n balsa will later become leading edge jig strip pin place over plan front spar shown under waxed paper sure waxed paper draped over top strip Put bottom spar place top waxed paper hold pinning rib place Only aft end rib within inch tailing edge should touching building board surface Glue ribs tailing edge Check spar alignment rib placement glue ribs bottom spar Cut strip 1/s-in balsa same width distance between spars approximately inch Cut lengths fit between ribs glue place between rib second rib way out tip plate 12 places wing panel Use same process install 3A2 x -in rear spar webs use 3A2-in sheet balsa shims secure rear spar place over plan satisfied both spars perfectly straight check fit glue both top spars place Check front view wing tip see approximate location tip plate toward top wing glue fourteenth rib Glue upper lower tip ribs tip plate Bend glue spars tip plate little carving will necessary get correct shape Re move wing plan make easier Add laminations top bottom tip bow taper receive leading edge planking Select piece As x 2 x 48-in balsa least medium weight soft light bottom leading edge planking Stick five-inch lengths masking tape bottom centered rib location three inches tape out front sticky side up Pin planking place rear edge aligned centerline front spar Slide strip balsa same size fuselage longeron under aft end wing hold ribs level glue front lower spar planking Start middle wing secured building surface using weights pins use tape lift planking until contacts bottom rib Glue planking rib CyA glue squirt Ed note Means spray lightly accelerator sets immediately Repeat procedure rib side center rib Keep until ribs glued Add top phinking after 60 Model Aviation LAGE TOP VIEW STABILIZERELEVATOR FIN .. ER E SIDE VIEW4 rzzvozz 1941 TAYLORCRAFT Wing tip structural detail reveals basic tip plate Note aileron hinge post pro truding trailing edge Cabin windshield brace details engine mount box cowl hold-down blocks forward portion wing mount Two birds sione caIe radio antenna also part fuselage hatch covers spring-loaded latch Full Size Plans Available-See Page 182 NLfl T -rnn'WING TS WI N ~F4 1 V UTRUNT RN2 -c Dr\ ---~ AILON ~2~_____ t - - ____- ~t7#7 WING F LI T SIDE U UI151 1 -ft 4 URRUURURUUNTRIRNUUMUGRI UTIUTIUG 1941 TAYLOUCRAFT removing pins front spar location using slow CyA glue Using free end pieces masking tape secure sheeting place around front rib Also use tape weights secure aft edge planking top spar Let everything dry overnight Remove pieces tape use long least 11 inches sanding block sand planking rib fronts flat receive x x 48-in balsa leading edge sure wing flat building surface true will move Glue leading edge place secure pins tape Let glue dry completely step closes structural D tube sets wing straight twisted didnt get everything straight true life Use X-Acto saw cut ailerons loose making first cuts angled cuts through ribs cut trailing edge Now go back cut rib stubs off back edge rear spar Glue 6 x -in balsa planking over aft spar aileron cutout Glue -in triangle stock underneath Add cap strips top bottom Cut strut mounts doublers install same aileron bellcrank mount Carefully remove portion root rib between top bottom spars Cut plywood spar webs 55/s long sure slight taper bottom toward fuselage Epoxy between set spars Add 46-in sheet balsa planking hatch aileron servo shown plan aileron can built flat plan Pin trailing edge down over waxed paper add ribs elected scale locations nonscale rib location option chosen pin ribs down since already glued trailing edge Thread piece Sullivan inner Nyrod yellow part through A-in holes ribs hinge pin location tube runs entire length aileron Push piece /is-in music wire though tube tube perfectly straight glue Nyrod rib glue dries remove /i6-in piece wire Add carefully rounded balsa leading edge aileron Add 1/16-in sheet cap strips top bottom Cut notches aileron leading edge three places shown plan Builders have three options controlling ailerons aileron servo may mounted out wing place bellcrank shown may put wing root preference inside cabin area Any choice requires short pushrod wing aileron Ive shown nylon bellcrank epoxied place between aileron ribs Balsa block fillers used make snug fit pivot point connection pushrod shown set back 70 aft perpendicular give differential aileron travel 260 up 190 down feel optimum differential aileron travel may also accomplished using offset bellcraniks use computer radio Regardless method used differential aileron movement definitely helps minimize adverse April 1993 61 Alternative landing gear mount uses channeled hardwood blocks Radio receiver mounts under scale seat plywood floor Access via cabin doors neex Dalsa panels have added entire cabin area including side stringers blended smoothly using sanding block elbow grease yaw tendency plane turn toward down aileron opposite what want plane insure no binding aileron hinge line first cut three slots Is-in yellow Nyrod tube horn locations Now cut three slots rear spar webs hingehorn locations Push three nylon control horns through slots Put wing aileron place shown plan thread A6-in wire through Nyrod previously mentioned horns Use /16-in balsa shims hold clearance gap between aileron spar constant satisfied fit alignment aileron epoxy horns place front aft spar interesting know Pat Tritle used A6-in plywood horns instead nylon ones epoxy cures remove shims check hinge action Connect pushrod pre viously mentioned aileron horn necessary bend slight bow avoid having cut clearance notch aft top spar As-in wire hinge pin can made removable bending short L end toward wing tip gluing slot wing tip Before building second wing panel would worth builders time construct spar carry-through boxes used ensure proper spar alignment during construction second panel Build second wing panel same way first Now get fuselage deci sions scale tail wheel assembly wanted select suitable commercial substitute Likewise cowl wheel pants Most important dont think overpowering model prototypes fly perfectly 120 four-strokes 91 twostrokes Hold maximum engine size Also must know prototype weighs 10/2 pounds dry Finally give some thought control surfaces driven Some builders like pull-pull cables rudder solid pushrod elevator servos under seat Others prefer solid pushrods radio fuselage bay aft wing trailing edge access hatch bottom fuselage plane way Start building fuselage side over waxed-paper-covered plan unpin side sand smooth build Continued page 67 Left SuperTigre 91 Slimline muffler mounts radially extension box throttle servo nearby firewall 62 Model Aviation little details covering left note simulated rib stitching rudder right balsa fills void between landing gear wires has pinked tape edging Wing-bottom detailing L rib stitching rim inspection hole cover R scale U bracket attaching jury struts another inspection hole rim Wing root reveals protruding wing spar stubs will slip boxes built cabin roof Pat Tritles scale instrument panel control wheels fabricated bent brass rods soldered together Above molded fiberglass cowl Builder can either make own buy commercial unit RI EIDMRIRXt RI E fS PRESENTS $28500 Including Shipping Handling LOOK WHATS BEEN LIBERATED B-24D FIBERGLASS FUSELAGE NACELLES COWLS WING 108 ENGINE 4-40 FOAM WINGS & STABS ff--K- Li COMING IN APRIL Send Check Money Order BOMBER BOYS P 0 BOX ABC BRADLEY WV 25818 304 877-2336 items can tested determine function intended durability can also observed Landing gear b Folding wings c Hood canopy hatch 7 Assembly methods Building model gives good indication sequence assembly operations required full-scale aircraft operations include following Skinning b Component alignment c Canopy installation An excellent article Dynamic Modeling featured July August 1987 issues Sport Aviation explains detail use scale models simulating dynamic flight characteristics full-scale aircraft bibliography reference material have used design aircraft follows article next installment series Snipe will cover design building testing model conclusions reached concerning flight performance continued BIBLIOGRAPHY Abbott Ira H Albert E Von Doenhoff Theory Wing Sections New York NY Dover Publishing Inc 1959 Bonacci Nick Aircraft Sheet Metal Casper Wyo lAP Inc 1987 Breneman John W Strength Materials 2nd ed New York NY McGraw-Hill Book Company Inc 1952 Dzik Stanley J Aircraft Hardware Standards Manual & Engineering Reference Appleton Wis Aviation Publications 1977 Hoerner Sighard F Fluid-Dynamic Drag Midland Park NJ S F Hoerner 1958 Pazmany L Landing Gear Design Light Aircraft Vol 1 San Diego Calif Pazmany Aircraft Corporation 1986 Light Aircraft Design 3rd ed San Diego Calif L Pazmany 1963 L Pazmany H Prentice C Waterman F Tietge Potential Structural Materials Design Concepts Light Airplanes Springfield Va National Technical Information Service US Department Commerce 1968 Poberezny Paul H Schmid SH Custom Built Sport Aircraft Handbook Oshkosh Wis BAA Aviation Foundation 1986 Rhodes 0 Thompson Stress Without Tears Indianapolis md Jacobs Publishing Inc 1990 Thurston David B Design Flying New York NY McGraw-Hill Book Company 1978 US Government Printing Office Code Federal Regulations Title 14Aeronautics Space Parts 59 Office Federal Register National Archives Records Administration 1989 orcraftlSimpson Continued paqe 62 second side directly over first side waxed paper between Remember sides framework sheet stuff will added later Cut -in Lite Ply gear mount fit between lower fuselage longerons 5 front back Use large pins small nails securely attach building surface over waxed-paper-covered top view Use least three large right triangles hold fuselage sides vertical Make sure tail posts same height above bench dont want build twist fuselage Before gluing fuselage sides landing gear mount sand correct taper aft ends sides pulled together over plans two will total k Next glue longerons landing gear mount Carefully cut fuselage crosspieces length glue place across top cabin between uprights define cabin doors Use triangles hold Continued page 72 OPPORTUNITY OF LIFE TIME! Turn key business sale estab lished kit manufacturer Can run garage desired High profit margin Call 813- 854-KITS April 1993 67 [ ADVANCED AERO PRODUCTS YS & OS SURPASS 120 kJ1 7f/~ IEXHAIJST SYSTEMS FOR PATTERN AIRCRAFT AND ULTIMATE BWE SIUCONE COUPLERS AND TAIL PIPES AlSO AVAILABLE CALL OA WflE F WOf4ATU4DAALCR NQJIFES IfTED RT 1 BOX 366-C ANNA TX 75409 214 924-3940 CMPUIERIID MRCRA1I Pb9lS Technical Illustratiolls Suitable Framing Scale ting Scanning Services 3 Views D-TECH SYSTEMS 325 Shawnee Trail Catalog $ioa Carterville IL 62918 6189852383 PLANE VIDEO GIVES YOU LIBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT IULBflflME 2-2 HOUR VIDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRATr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSHRODS ALIGNMENT BALANCING AND MUCH MORE $3495 shIpping 1600 foreign order AEROBATICS & GROUND SCHOOL 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFFS SPINS CROSS WIND TECHNIQUES SNAP ROLlS AND MOUL $1985 shIpping 1600011 foreign order BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INFORMATION ON FOAM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH FG CLOTH PAINTING & DETAILING $1906 $300 shIpping 1600 foreign orders TAPES AVAILABLE IN l11S OILY SEIC CHECK OR MO PLANE VIDEO P0 BOX 23126 CLI yE IA 50325 V1S4 ca 1-800-383-8251 515-2230607 HOUR TOLL FREE IA NE5ENT5 ADO 4% SALlE 1*1 FOAM WING CORE LAMINATION Made simple fast easy permanent STA-PUT II Spray Adhesive Used endorsed Lanier fl/C Water resistant quick setting strong bonds dries clear STA-PUT II has used industrial applications since 1988 now being made available adult hobbyist Laminate Foam Wing Cores easily neatly fast Simply spray both surfaces allow get tacky align properly assemble firm pressure Useful other applications hobby craft markets especially polystyrene foams used Ask favorite hobby store STA-PUT II name literature call 800-346-2803 IF STA-PUT WONT GLUE IT 9 IT Should interested willing cut out wing ribs bend wire Chuck Gill Airplane Works 2184 Gilbride Road Martinsville NJ 08836 Tel [908] 356-8557 has kits available priced $225 Build both restart WW Stress test recurrent nightmare associated designing model airplane kit manufacturer possibility structural failures either poor workmanship overpowering design As consequence tend overstructure just case leaves wondering just much excess power design could actually handle John Walkers Big Bingo photo powered SuperTigre 4500 John modified vertical fin turtledeck formers made no changes rest fuselage wings two-part wing aluminum pipe/phenolic tube joiner retained frightened bit admittedly 20-pound model will climb 890 angle right out sight has spectacular pulling power through inside outside maneuvers just plain awesome After 60 flights no sign surface flutter structural cracking has observed So really still dont know what too much power Big Bingo might orcraftlSimpson Continued page 67 cabin upright square Join tail posts using triangle align above plan hold joint perfectly vertical builder misses fuselage will twisted tail will tilted respect wing satisfied well add remaining crosspieces diagonals shown plan Notice bottom longerons have gentle curve top longeron has definite break aft door upright may necessary crack joint reglue get right NOW its time select another option mounting engine four-stroke longshaft engine used builder may wish mount radial mount directly firewall case firewall cut shape glued front framework Add -in sheet balsa sides bottom shown plan Mount engine install fuel tank top third tank above needle valve secure tank prevent foaming fuel engine running other hand two-stroke engines relatively short use box fits square cutout firewall extends way back instrument panel fuel tank will mounted inside box has aft end open access tank front 72 Model Aviation scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 3387 N EIlibrvYraIl West Palm Beach FL 83409 407-688-43669 flUDDY SUPER o-I-ufl box -in plywood radial engine mount bolted length box cut properly position engines propeller drive washer about /s ahead cowl best build box fit firewall before mounting firewall adding -in sheeting outlined previous paragraph After engine tank installed fuel tubes sorted out instrument panel -in sheet balsa planking between firewall can installed builder has elected buy fiberglass cowl may now fitted plane either flush firewall overlapped preferred builder elects make cowl use 3/s-in -in balsa rough bottom sides fit between firewall nose bowl Since no compound curve top cowling -in balsa sheet may formed wetting side curve across top may made removable desired Carve sand bottom sides match either plan specific fullscale aircraft being modeled nose bowl sheet balsa must carved sanded match rest cowl Balsa cowls may also bolted firewall cowlmounting blocks same manner fiberglass ones key elements cabin roof/wing center section spar carry-through boxes wing root ribs made /i6-in plywood laminated 346-in sheet balsa Make two root ribs exactly alike front spar carry-through box epoxied top doubled spruce fuselage uprights root ribs rear carrythrough fitted epoxied fuselage top side longerons top cabin crosspieces Carve triangular-shaped balsa block fill gap between root rib aft rear spar carry-through top fuselage longeron Add top fuselage stringers after -in square balsa crosspieces installed Bend landing gear 5/32-indiameter music wire using front side views guides Remember brace wire goes axle middle aft main wire Clean wires will join sand shiny bind soft copper wire use plenty heat solder isnt done order given youll sorry final steps fit struts wing assemble wing struts place fuselage whole works upside down workbench Put 1-inch-thick block under cabin roof wing tips touching workbench will give desired 10 dihedral plane upright wing taped place fit main struts fuselage near aft main gear strut point shown install hold-down bolts through landing gear plate large blind nuts VALVE 5MQK MA8T SMQKERSYSTEM $49 plas $4 shipping & handling ISA Smoker Preheaters Are Twice As Effective As Head Coils Complete Smoker System Ia22Cdc 9 5 & 74 120 4-Cyde Fneines Includes preheater smoker pump smoker valve tubing pressure taps check valve 4-C complete instructions Ask About New CALL b912367O567 Aluminum Visa Mastercard & [AJi4P J AirplaneAmerican EyireSS AMERICANMODEL PRODUCTS Coming SoonAccepteRT3 BOX April 1993 73 #1 IN SUPERIOR QUALITY PRODUCTS Set plane upright block up tail check main wing panel proper incidence least three places panel no warps present drill holes four bolts two through root rib spar stub carry-through box builders choice secure wing panels fuselage Now install radio control linkages sure work smoothly proper direction Add structural scale details desired such gear-axle-to-wheel-pant attachment wing strut cuffs before covering fabric covering used better wait until after plane covered before adding such details plane covered using builders favorite method prototype covered Sig Koverall doped covered Coverite doped Two MonoKoted have seen some restored full-scale Taylorcrafts shiny looked MonoKoted Before flying plane take time check warps Correct found control checks smoothness proper direction Use rate switches exponential control avoid overcontrol Check balance point sure shown plans slightly ahead Finally run engine adjust idle properly Only has done will plane ready fly model flies like Old-Timer free flight except also loops rolls spins flies inverted beautifully readers think special just hide watch get latest clipped-wing version done Theyre really hot * About Cover Continued paqe 53 Robert Benjamin describes himself traditional representational artist has made commitment portrayal aviation subject matter artist member American Society Aviation Artists Examples Benjamins work display San Diego Aerospace Museum Pearson Air Museum Vancouver Washington US Air Force Art Pro gram collection also artist behind sizable collection art work displayed AMA Museum Muncie Indiana 74 Model Aviation inued page 79
Edition: Model Aviation - 1993/04
Page Numbers: 56, 57, 58, 59, 60, 61, 62, 67, 72, 73, 74
NO OCR TEXT NO OCR TEXT corrected drawing vertical fin rudder assumed correct RCM includes enlarged drawing plan sale years later attending air show featuring Duane Cole measured rudder hinge lineand guess what 44 inches long right after Just grins have measured 11 other Taylorcrafts vary 44 54 inches majority being around 51 inches advice follows want great-flying standoff scale plane just build shown cover MonoKote favorite subject colors want higher degree scale homework first Find fullsize plane want copy study details Take two three rolls pictures Draw measure make notes Compare plans make detail changes plans necessary prototype shown accompanying pictures built plans full-size Taylorcraft lived Coronado Airport North Albuquerque New Mexico Pat Tritle built model incorporated myriad special scale details such two long bumps seen top engine cowl housed part full-scale planes special ignition system Doesnt Pat build beautifully great scale detail shown plans because unique particular plane Incidentally full-size plane no destroyed unusual low-altitude low-speed accident airport prettiest picture 1941 Taylorcraft ever saw cover Sport Aviation magazines May 1990 edition published Experimental Aircraft Association [EAA] 3000 Poberezny Road Oshkosh WI 54903 aircraft pictured featured article Norm Petersen about man named Lowell Thomas Tom Baker restored may want write EAA N: UC . STRUTa ELA B RL5R SNT N0a FIBERGLABt COWL/ and purchase issue have suitable subject nearby scale three-view drawings used outline done Don Pratt July 1966 published February 1968 issue nowdefunct American Aircraft Modeler magazine drawing describes full-size airplane being Cub yellow over chocolate brown As writing got telephone call good friend Gil Horstman now lives near Spokane Washington Gil said recently found finally Taylorcraft yellow brown would send pictures looking such example years chuckled confessed ragged out mess So still looking case know Gil also Taylorcraft lover has 1/3-scale version under way Years ago hangar-flying session Gil agreed Taylorcraft first choice one-airplane stable BC-12 fine trainer clipped-wing version great aerobatic airplane Either version also good choice level scale modeling Now arent glad read far last note before begin construction blue-and-yellow version built Pat Tritle won first place its first scale contest Northern New Mexico Scale Classic Static score 8010 flying 7645 bad since Pat says theres lots detail plans favorite 58 Model Aviation 4Well full-scale model Paul Tritles beautiful rendition big T-craft model shows realism enhanced attention little things Little bulges cowl top full-scale plane Paul based model covered planes special ignition system wires T-crafts Swooshing over New Mexico tumbleweeds landing Hows realism Note wings very flat dihedral 1941 TJIYLORC1I1IPT JAMES L SIMPSON -5SPLSR SHtrT ro& BOTTOM 4 $QBRLSG 4 SQ SPRUCE 4 SQSPRLEE CSOSPRUCE lop 6STRINSERS PRUCE SQ SRLSQ jBALSR 561 4 SLRLSQ 4 80 SPRUCE 450 SPRUCE 1WICPL LONGSRCNS UPRIGH1S DIfTGONRLS SQ SPRUCE STRINGERS CE STOCK ~ 5 4 ERLSR CPP STRIPS Sf155 5155 SIlT 58155 TOP & B01180M ISR SATSPLSR WEES I4SRLSS SIlTURS BSR WHEEL PANTS Y Al Id SPLLOCN WI-IELLS 35 LE BGLSR SlEET TOP& 5050W comment about well plane flies Again congratulations Pat such great job CONSTRUCTION Lets begin tail since tails easy build give illusion being one-third done finished First builder needs make some decisions Does want form tips strips AR X -in balsa soaked ammonia water white-glued together around form does prefer cut curved pieces -in sheet basswood Next building true scale using trim tabs shown elevator rudder Incorporate selections remainder structures frames outlined -in-square spruce use -in balsa cross pieces Build framework over plans covered waxed paper After glue dries completely remove waxed paper shape hinge lines match choice scale sport version shown plan Finally round outside edges frames simulate steel tubing used full-scale plane finish-sand flat sides Drill holes brace wires small April 1993 59 / C 6 4 Bare bones tail feathers Tail wheel CB Associates medium-size unit rudder uses pull-pull cables elevator solid pushrod Detail wing strut installation Thats aileron servo cable snaking along out servo installed visible use black nonstretch fish line will glued place after covering final assembly Drill holes large enough 2-56 bolts plan fabricate scale fittings brace wires Cut out stack sand complete set wing ribs Dont cut off aileron portion tailing edge will separated later Cuffing lightening holes ribs optional Drill Vs-in holes ribs aileron pushrods hinge pins Use short lengths yellow Nyrod bushings holes As said beginning what makes plane fly well else being equal shape airfoil especially bottom curve Unfortunately curve also makes harder build wing properly Readers may know easier way am going describe please share us First another decision Does builder want scale rib locations ailerons answer yes DO NOT glue aileron ribs trailing edge answer no cover wing plan waxed paper pin trailing edge place over plan cut inboard end aileron yet Use n balsa will later become leading edge jig strip pin place over plan front spar shown under waxed paper sure waxed paper draped over top strip Put bottom spar place top waxed paper hold pinning rib place Only aft end rib within inch tailing edge should touching building board surface Glue ribs tailing edge Check spar alignment rib placement glue ribs bottom spar Cut strip 1/s-in balsa same width distance between spars approximately inch Cut lengths fit between ribs glue place between rib second rib way out tip plate 12 places wing panel Use same process install 3A2 x -in rear spar webs use 3A2-in sheet balsa shims secure rear spar place over plan satisfied both spars perfectly straight check fit glue both top spars place Check front view wing tip see approximate location tip plate toward top wing glue fourteenth rib Glue upper lower tip ribs tip plate Bend glue spars tip plate little carving will necessary get correct shape Re move wing plan make easier Add laminations top bottom tip bow taper receive leading edge planking Select piece As x 2 x 48-in balsa least medium weight soft light bottom leading edge planking Stick five-inch lengths masking tape bottom centered rib location three inches tape out front sticky side up Pin planking place rear edge aligned centerline front spar Slide strip balsa same size fuselage longeron under aft end wing hold ribs level glue front lower spar planking Start middle wing secured building surface using weights pins use tape lift planking until contacts bottom rib Glue planking rib CyA glue squirt Ed note Means spray lightly accelerator sets immediately Repeat procedure rib side center rib Keep until ribs glued Add top phinking after 60 Model Aviation LAGE TOP VIEW STABILIZERELEVATOR FIN .. ER E SIDE VIEW4 rzzvozz 1941 TAYLORCRAFT Wing tip structural detail reveals basic tip plate Note aileron hinge post pro truding trailing edge Cabin windshield brace details engine mount box cowl hold-down blocks forward portion wing mount Two birds sione caIe radio antenna also part fuselage hatch covers spring-loaded latch Full Size Plans Available-See Page 182 NLfl T -rnn'WING TS WI N ~F4 1 V UTRUNT RN2 -c Dr\ ---~ AILON ~2~_____ t - - ____- ~t7#7 WING F LI T SIDE U UI151 1 -ft 4 URRUURURUUNTRIRNUUMUGRI UTIUTIUG 1941 TAYLOUCRAFT removing pins front spar location using slow CyA glue Using free end pieces masking tape secure sheeting place around front rib Also use tape weights secure aft edge planking top spar Let everything dry overnight Remove pieces tape use long least 11 inches sanding block sand planking rib fronts flat receive x x 48-in balsa leading edge sure wing flat building surface true will move Glue leading edge place secure pins tape Let glue dry completely step closes structural D tube sets wing straight twisted didnt get everything straight true life Use X-Acto saw cut ailerons loose making first cuts angled cuts through ribs cut trailing edge Now go back cut rib stubs off back edge rear spar Glue 6 x -in balsa planking over aft spar aileron cutout Glue -in triangle stock underneath Add cap strips top bottom Cut strut mounts doublers install same aileron bellcrank mount Carefully remove portion root rib between top bottom spars Cut plywood spar webs 55/s long sure slight taper bottom toward fuselage Epoxy between set spars Add 46-in sheet balsa planking hatch aileron servo shown plan aileron can built flat plan Pin trailing edge down over waxed paper add ribs elected scale locations nonscale rib location option chosen pin ribs down since already glued trailing edge Thread piece Sullivan inner Nyrod yellow part through A-in holes ribs hinge pin location tube runs entire length aileron Push piece /is-in music wire though tube tube perfectly straight glue Nyrod rib glue dries remove /i6-in piece wire Add carefully rounded balsa leading edge aileron Add 1/16-in sheet cap strips top bottom Cut notches aileron leading edge three places shown plan Builders have three options controlling ailerons aileron servo may mounted out wing place bellcrank shown may put wing root preference inside cabin area Any choice requires short pushrod wing aileron Ive shown nylon bellcrank epoxied place between aileron ribs Balsa block fillers used make snug fit pivot point connection pushrod shown set back 70 aft perpendicular give differential aileron travel 260 up 190 down feel optimum differential aileron travel may also accomplished using offset bellcraniks use computer radio Regardless method used differential aileron movement definitely helps minimize adverse April 1993 61 Alternative landing gear mount uses channeled hardwood blocks Radio receiver mounts under scale seat plywood floor Access via cabin doors neex Dalsa panels have added entire cabin area including side stringers blended smoothly using sanding block elbow grease yaw tendency plane turn toward down aileron opposite what want plane insure no binding aileron hinge line first cut three slots Is-in yellow Nyrod tube horn locations Now cut three slots rear spar webs hingehorn locations Push three nylon control horns through slots Put wing aileron place shown plan thread A6-in wire through Nyrod previously mentioned horns Use /16-in balsa shims hold clearance gap between aileron spar constant satisfied fit alignment aileron epoxy horns place front aft spar interesting know Pat Tritle used A6-in plywood horns instead nylon ones epoxy cures remove shims check hinge action Connect pushrod pre viously mentioned aileron horn necessary bend slight bow avoid having cut clearance notch aft top spar As-in wire hinge pin can made removable bending short L end toward wing tip gluing slot wing tip Before building second wing panel would worth builders time construct spar carry-through boxes used ensure proper spar alignment during construction second panel Build second wing panel same way first Now get fuselage deci sions scale tail wheel assembly wanted select suitable commercial substitute Likewise cowl wheel pants Most important dont think overpowering model prototypes fly perfectly 120 four-strokes 91 twostrokes Hold maximum engine size Also must know prototype weighs 10/2 pounds dry Finally give some thought control surfaces driven Some builders like pull-pull cables rudder solid pushrod elevator servos under seat Others prefer solid pushrods radio fuselage bay aft wing trailing edge access hatch bottom fuselage plane way Start building fuselage side over waxed-paper-covered plan unpin side sand smooth build Continued page 67 Left SuperTigre 91 Slimline muffler mounts radially extension box throttle servo nearby firewall 62 Model Aviation little details covering left note simulated rib stitching rudder right balsa fills void between landing gear wires has pinked tape edging Wing-bottom detailing L rib stitching rim inspection hole cover R scale U bracket attaching jury struts another inspection hole rim Wing root reveals protruding wing spar stubs will slip boxes built cabin roof Pat Tritles scale instrument panel control wheels fabricated bent brass rods soldered together Above molded fiberglass cowl Builder can either make own buy commercial unit RI EIDMRIRXt RI E fS PRESENTS $28500 Including Shipping Handling LOOK WHATS BEEN LIBERATED B-24D FIBERGLASS FUSELAGE NACELLES COWLS WING 108 ENGINE 4-40 FOAM WINGS & STABS ff--K- Li COMING IN APRIL Send Check Money Order BOMBER BOYS P 0 BOX ABC BRADLEY WV 25818 304 877-2336 items can tested determine function intended durability can also observed Landing gear b Folding wings c Hood canopy hatch 7 Assembly methods Building model gives good indication sequence assembly operations required full-scale aircraft operations include following Skinning b Component alignment c Canopy installation An excellent article Dynamic Modeling featured July August 1987 issues Sport Aviation explains detail use scale models simulating dynamic flight characteristics full-scale aircraft bibliography reference material have used design aircraft follows article next installment series Snipe will cover design building testing model conclusions reached concerning flight performance continued BIBLIOGRAPHY Abbott Ira H Albert E Von Doenhoff Theory Wing Sections New York NY Dover Publishing Inc 1959 Bonacci Nick Aircraft Sheet Metal Casper Wyo lAP Inc 1987 Breneman John W Strength Materials 2nd ed New York NY McGraw-Hill Book Company Inc 1952 Dzik Stanley J Aircraft Hardware Standards Manual & Engineering Reference Appleton Wis Aviation Publications 1977 Hoerner Sighard F Fluid-Dynamic Drag Midland Park NJ S F Hoerner 1958 Pazmany L Landing Gear Design Light Aircraft Vol 1 San Diego Calif Pazmany Aircraft Corporation 1986 Light Aircraft Design 3rd ed San Diego Calif L Pazmany 1963 L Pazmany H Prentice C Waterman F Tietge Potential Structural Materials Design Concepts Light Airplanes Springfield Va National Technical Information Service US Department Commerce 1968 Poberezny Paul H Schmid SH Custom Built Sport Aircraft Handbook Oshkosh Wis BAA Aviation Foundation 1986 Rhodes 0 Thompson Stress Without Tears Indianapolis md Jacobs Publishing Inc 1990 Thurston David B Design Flying New York NY McGraw-Hill Book Company 1978 US Government Printing Office Code Federal Regulations Title 14Aeronautics Space Parts 59 Office Federal Register National Archives Records Administration 1989 orcraftlSimpson Continued paqe 62 second side directly over first side waxed paper between Remember sides framework sheet stuff will added later Cut -in Lite Ply gear mount fit between lower fuselage longerons 5 front back Use large pins small nails securely attach building surface over waxed-paper-covered top view Use least three large right triangles hold fuselage sides vertical Make sure tail posts same height above bench dont want build twist fuselage Before gluing fuselage sides landing gear mount sand correct taper aft ends sides pulled together over plans two will total k Next glue longerons landing gear mount Carefully cut fuselage crosspieces length glue place across top cabin between uprights define cabin doors Use triangles hold Continued page 72 OPPORTUNITY OF LIFE TIME! Turn key business sale estab lished kit manufacturer Can run garage desired High profit margin Call 813- 854-KITS April 1993 67 [ ADVANCED AERO PRODUCTS YS & OS SURPASS 120 kJ1 7f/~ IEXHAIJST SYSTEMS FOR PATTERN AIRCRAFT AND ULTIMATE BWE SIUCONE COUPLERS AND TAIL PIPES AlSO AVAILABLE CALL OA WflE F WOf4ATU4DAALCR NQJIFES IfTED RT 1 BOX 366-C ANNA TX 75409 214 924-3940 CMPUIERIID MRCRA1I Pb9lS Technical Illustratiolls Suitable Framing Scale ting Scanning Services 3 Views D-TECH SYSTEMS 325 Shawnee Trail Catalog $ioa Carterville IL 62918 6189852383 PLANE VIDEO GIVES YOU LIBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT IULBflflME 2-2 HOUR VIDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRATr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSHRODS ALIGNMENT BALANCING AND MUCH MORE $3495 shIpping 1600 foreign order AEROBATICS & GROUND SCHOOL 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFFS SPINS CROSS WIND TECHNIQUES SNAP ROLlS AND MOUL $1985 shIpping 1600011 foreign order BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INFORMATION ON FOAM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH FG CLOTH PAINTING & DETAILING $1906 $300 shIpping 1600 foreign orders TAPES AVAILABLE IN l11S OILY SEIC CHECK OR MO PLANE VIDEO P0 BOX 23126 CLI yE IA 50325 V1S4 ca 1-800-383-8251 515-2230607 HOUR TOLL FREE IA NE5ENT5 ADO 4% SALlE 1*1 FOAM WING CORE LAMINATION Made simple fast easy permanent STA-PUT II Spray Adhesive Used endorsed Lanier fl/C Water resistant quick setting strong bonds dries clear STA-PUT II has used industrial applications since 1988 now being made available adult hobbyist Laminate Foam Wing Cores easily neatly fast Simply spray both surfaces allow get tacky align properly assemble firm pressure Useful other applications hobby craft markets especially polystyrene foams used Ask favorite hobby store STA-PUT II name literature call 800-346-2803 IF STA-PUT WONT GLUE IT 9 IT Should interested willing cut out wing ribs bend wire Chuck Gill Airplane Works 2184 Gilbride Road Martinsville NJ 08836 Tel [908] 356-8557 has kits available priced $225 Build both restart WW Stress test recurrent nightmare associated designing model airplane kit manufacturer possibility structural failures either poor workmanship overpowering design As consequence tend overstructure just case leaves wondering just much excess power design could actually handle John Walkers Big Bingo photo powered SuperTigre 4500 John modified vertical fin turtledeck formers made no changes rest fuselage wings two-part wing aluminum pipe/phenolic tube joiner retained frightened bit admittedly 20-pound model will climb 890 angle right out sight has spectacular pulling power through inside outside maneuvers just plain awesome After 60 flights no sign surface flutter structural cracking has observed So really still dont know what too much power Big Bingo might orcraftlSimpson Continued page 67 cabin upright square Join tail posts using triangle align above plan hold joint perfectly vertical builder misses fuselage will twisted tail will tilted respect wing satisfied well add remaining crosspieces diagonals shown plan Notice bottom longerons have gentle curve top longeron has definite break aft door upright may necessary crack joint reglue get right NOW its time select another option mounting engine four-stroke longshaft engine used builder may wish mount radial mount directly firewall case firewall cut shape glued front framework Add -in sheet balsa sides bottom shown plan Mount engine install fuel tank top third tank above needle valve secure tank prevent foaming fuel engine running other hand two-stroke engines relatively short use box fits square cutout firewall extends way back instrument panel fuel tank will mounted inside box has aft end open access tank front 72 Model Aviation scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 3387 N EIlibrvYraIl West Palm Beach FL 83409 407-688-43669 flUDDY SUPER o-I-ufl box -in plywood radial engine mount bolted length box cut properly position engines propeller drive washer about /s ahead cowl best build box fit firewall before mounting firewall adding -in sheeting outlined previous paragraph After engine tank installed fuel tubes sorted out instrument panel -in sheet balsa planking between firewall can installed builder has elected buy fiberglass cowl may now fitted plane either flush firewall overlapped preferred builder elects make cowl use 3/s-in -in balsa rough bottom sides fit between firewall nose bowl Since no compound curve top cowling -in balsa sheet may formed wetting side curve across top may made removable desired Carve sand bottom sides match either plan specific fullscale aircraft being modeled nose bowl sheet balsa must carved sanded match rest cowl Balsa cowls may also bolted firewall cowlmounting blocks same manner fiberglass ones key elements cabin roof/wing center section spar carry-through boxes wing root ribs made /i6-in plywood laminated 346-in sheet balsa Make two root ribs exactly alike front spar carry-through box epoxied top doubled spruce fuselage uprights root ribs rear carrythrough fitted epoxied fuselage top side longerons top cabin crosspieces Carve triangular-shaped balsa block fill gap between root rib aft rear spar carry-through top fuselage longeron Add top fuselage stringers after -in square balsa crosspieces installed Bend landing gear 5/32-indiameter music wire using front side views guides Remember brace wire goes axle middle aft main wire Clean wires will join sand shiny bind soft copper wire use plenty heat solder isnt done order given youll sorry final steps fit struts wing assemble wing struts place fuselage whole works upside down workbench Put 1-inch-thick block under cabin roof wing tips touching workbench will give desired 10 dihedral plane upright wing taped place fit main struts fuselage near aft main gear strut point shown install hold-down bolts through landing gear plate large blind nuts VALVE 5MQK MA8T SMQKERSYSTEM $49 plas $4 shipping & handling ISA Smoker Preheaters Are Twice As Effective As Head Coils Complete Smoker System Ia22Cdc 9 5 & 74 120 4-Cyde Fneines Includes preheater smoker pump smoker valve tubing pressure taps check valve 4-C complete instructions Ask About New CALL b912367O567 Aluminum Visa Mastercard & [AJi4P J AirplaneAmerican EyireSS AMERICANMODEL PRODUCTS Coming SoonAccepteRT3 BOX April 1993 73 #1 IN SUPERIOR QUALITY PRODUCTS Set plane upright block up tail check main wing panel proper incidence least three places panel no warps present drill holes four bolts two through root rib spar stub carry-through box builders choice secure wing panels fuselage Now install radio control linkages sure work smoothly proper direction Add structural scale details desired such gear-axle-to-wheel-pant attachment wing strut cuffs before covering fabric covering used better wait until after plane covered before adding such details plane covered using builders favorite method prototype covered Sig Koverall doped covered Coverite doped Two MonoKoted have seen some restored full-scale Taylorcrafts shiny looked MonoKoted Before flying plane take time check warps Correct found control checks smoothness proper direction Use rate switches exponential control avoid overcontrol Check balance point sure shown plans slightly ahead Finally run engine adjust idle properly Only has done will plane ready fly model flies like Old-Timer free flight except also loops rolls spins flies inverted beautifully readers think special just hide watch get latest clipped-wing version done Theyre really hot * About Cover Continued paqe 53 Robert Benjamin describes himself traditional representational artist has made commitment portrayal aviation subject matter artist member American Society Aviation Artists Examples Benjamins work display San Diego Aerospace Museum Pearson Air Museum Vancouver Washington US Air Force Art Pro gram collection also artist behind sizable collection art work displayed AMA Museum Muncie Indiana 74 Model Aviation inued page 79
Edition: Model Aviation - 1993/04
Page Numbers: 56, 57, 58, 59, 60, 61, 62, 67, 72, 73, 74
NO OCR TEXT NO OCR TEXT corrected drawing vertical fin rudder assumed correct RCM includes enlarged drawing plan sale years later attending air show featuring Duane Cole measured rudder hinge lineand guess what 44 inches long right after Just grins have measured 11 other Taylorcrafts vary 44 54 inches majority being around 51 inches advice follows want great-flying standoff scale plane just build shown cover MonoKote favorite subject colors want higher degree scale homework first Find fullsize plane want copy study details Take two three rolls pictures Draw measure make notes Compare plans make detail changes plans necessary prototype shown accompanying pictures built plans full-size Taylorcraft lived Coronado Airport North Albuquerque New Mexico Pat Tritle built model incorporated myriad special scale details such two long bumps seen top engine cowl housed part full-scale planes special ignition system Doesnt Pat build beautifully great scale detail shown plans because unique particular plane Incidentally full-size plane no destroyed unusual low-altitude low-speed accident airport prettiest picture 1941 Taylorcraft ever saw cover Sport Aviation magazines May 1990 edition published Experimental Aircraft Association [EAA] 3000 Poberezny Road Oshkosh WI 54903 aircraft pictured featured article Norm Petersen about man named Lowell Thomas Tom Baker restored may want write EAA N: UC . STRUTa ELA B RL5R SNT N0a FIBERGLABt COWL/ and purchase issue have suitable subject nearby scale three-view drawings used outline done Don Pratt July 1966 published February 1968 issue nowdefunct American Aircraft Modeler magazine drawing describes full-size airplane being Cub yellow over chocolate brown As writing got telephone call good friend Gil Horstman now lives near Spokane Washington Gil said recently found finally Taylorcraft yellow brown would send pictures looking such example years chuckled confessed ragged out mess So still looking case know Gil also Taylorcraft lover has 1/3-scale version under way Years ago hangar-flying session Gil agreed Taylorcraft first choice one-airplane stable BC-12 fine trainer clipped-wing version great aerobatic airplane Either version also good choice level scale modeling Now arent glad read far last note before begin construction blue-and-yellow version built Pat Tritle won first place its first scale contest Northern New Mexico Scale Classic Static score 8010 flying 7645 bad since Pat says theres lots detail plans favorite 58 Model Aviation 4Well full-scale model Paul Tritles beautiful rendition big T-craft model shows realism enhanced attention little things Little bulges cowl top full-scale plane Paul based model covered planes special ignition system wires T-crafts Swooshing over New Mexico tumbleweeds landing Hows realism Note wings very flat dihedral 1941 TJIYLORC1I1IPT JAMES L SIMPSON -5SPLSR SHtrT ro& BOTTOM 4 $QBRLSG 4 SQ SPRUCE 4 SQSPRLEE CSOSPRUCE lop 6STRINSERS PRUCE SQ SRLSQ jBALSR 561 4 SLRLSQ 4 80 SPRUCE 450 SPRUCE 1WICPL LONGSRCNS UPRIGH1S DIfTGONRLS SQ SPRUCE STRINGERS CE STOCK ~ 5 4 ERLSR CPP STRIPS Sf155 5155 SIlT 58155 TOP & B01180M ISR SATSPLSR WEES I4SRLSS SIlTURS BSR WHEEL PANTS Y Al Id SPLLOCN WI-IELLS 35 LE BGLSR SlEET TOP& 5050W comment about well plane flies Again congratulations Pat such great job CONSTRUCTION Lets begin tail since tails easy build give illusion being one-third done finished First builder needs make some decisions Does want form tips strips AR X -in balsa soaked ammonia water white-glued together around form does prefer cut curved pieces -in sheet basswood Next building true scale using trim tabs shown elevator rudder Incorporate selections remainder structures frames outlined -in-square spruce use -in balsa cross pieces Build framework over plans covered waxed paper After glue dries completely remove waxed paper shape hinge lines match choice scale sport version shown plan Finally round outside edges frames simulate steel tubing used full-scale plane finish-sand flat sides Drill holes brace wires small April 1993 59 / C 6 4 Bare bones tail feathers Tail wheel CB Associates medium-size unit rudder uses pull-pull cables elevator solid pushrod Detail wing strut installation Thats aileron servo cable snaking along out servo installed visible use black nonstretch fish line will glued place after covering final assembly Drill holes large enough 2-56 bolts plan fabricate scale fittings brace wires Cut out stack sand complete set wing ribs Dont cut off aileron portion tailing edge will separated later Cuffing lightening holes ribs optional Drill Vs-in holes ribs aileron pushrods hinge pins Use short lengths yellow Nyrod bushings holes As said beginning what makes plane fly well else being equal shape airfoil especially bottom curve Unfortunately curve also makes harder build wing properly Readers may know easier way am going describe please share us First another decision Does builder want scale rib locations ailerons answer yes DO NOT glue aileron ribs trailing edge answer no cover wing plan waxed paper pin trailing edge place over plan cut inboard end aileron yet Use n balsa will later become leading edge jig strip pin place over plan front spar shown under waxed paper sure waxed paper draped over top strip Put bottom spar place top waxed paper hold pinning rib place Only aft end rib within inch tailing edge should touching building board surface Glue ribs tailing edge Check spar alignment rib placement glue ribs bottom spar Cut strip 1/s-in balsa same width distance between spars approximately inch Cut lengths fit between ribs glue place between rib second rib way out tip plate 12 places wing panel Use same process install 3A2 x -in rear spar webs use 3A2-in sheet balsa shims secure rear spar place over plan satisfied both spars perfectly straight check fit glue both top spars place Check front view wing tip see approximate location tip plate toward top wing glue fourteenth rib Glue upper lower tip ribs tip plate Bend glue spars tip plate little carving will necessary get correct shape Re move wing plan make easier Add laminations top bottom tip bow taper receive leading edge planking Select piece As x 2 x 48-in balsa least medium weight soft light bottom leading edge planking Stick five-inch lengths masking tape bottom centered rib location three inches tape out front sticky side up Pin planking place rear edge aligned centerline front spar Slide strip balsa same size fuselage longeron under aft end wing hold ribs level glue front lower spar planking Start middle wing secured building surface using weights pins use tape lift planking until contacts bottom rib Glue planking rib CyA glue squirt Ed note Means spray lightly accelerator sets immediately Repeat procedure rib side center rib Keep until ribs glued Add top phinking after 60 Model Aviation LAGE TOP VIEW STABILIZERELEVATOR FIN .. ER E SIDE VIEW4 rzzvozz 1941 TAYLORCRAFT Wing tip structural detail reveals basic tip plate Note aileron hinge post pro truding trailing edge Cabin windshield brace details engine mount box cowl hold-down blocks forward portion wing mount Two birds sione caIe radio antenna also part fuselage hatch covers spring-loaded latch Full Size Plans Available-See Page 182 NLfl T -rnn'WING TS WI N ~F4 1 V UTRUNT RN2 -c Dr\ ---~ AILON ~2~_____ t - - ____- ~t7#7 WING F LI T SIDE U UI151 1 -ft 4 URRUURURUUNTRIRNUUMUGRI UTIUTIUG 1941 TAYLOUCRAFT removing pins front spar location using slow CyA glue Using free end pieces masking tape secure sheeting place around front rib Also use tape weights secure aft edge planking top spar Let everything dry overnight Remove pieces tape use long least 11 inches sanding block sand planking rib fronts flat receive x x 48-in balsa leading edge sure wing flat building surface true will move Glue leading edge place secure pins tape Let glue dry completely step closes structural D tube sets wing straight twisted didnt get everything straight true life Use X-Acto saw cut ailerons loose making first cuts angled cuts through ribs cut trailing edge Now go back cut rib stubs off back edge rear spar Glue 6 x -in balsa planking over aft spar aileron cutout Glue -in triangle stock underneath Add cap strips top bottom Cut strut mounts doublers install same aileron bellcrank mount Carefully remove portion root rib between top bottom spars Cut plywood spar webs 55/s long sure slight taper bottom toward fuselage Epoxy between set spars Add 46-in sheet balsa planking hatch aileron servo shown plan aileron can built flat plan Pin trailing edge down over waxed paper add ribs elected scale locations nonscale rib location option chosen pin ribs down since already glued trailing edge Thread piece Sullivan inner Nyrod yellow part through A-in holes ribs hinge pin location tube runs entire length aileron Push piece /is-in music wire though tube tube perfectly straight glue Nyrod rib glue dries remove /i6-in piece wire Add carefully rounded balsa leading edge aileron Add 1/16-in sheet cap strips top bottom Cut notches aileron leading edge three places shown plan Builders have three options controlling ailerons aileron servo may mounted out wing place bellcrank shown may put wing root preference inside cabin area Any choice requires short pushrod wing aileron Ive shown nylon bellcrank epoxied place between aileron ribs Balsa block fillers used make snug fit pivot point connection pushrod shown set back 70 aft perpendicular give differential aileron travel 260 up 190 down feel optimum differential aileron travel may also accomplished using offset bellcraniks use computer radio Regardless method used differential aileron movement definitely helps minimize adverse April 1993 61 Alternative landing gear mount uses channeled hardwood blocks Radio receiver mounts under scale seat plywood floor Access via cabin doors neex Dalsa panels have added entire cabin area including side stringers blended smoothly using sanding block elbow grease yaw tendency plane turn toward down aileron opposite what want plane insure no binding aileron hinge line first cut three slots Is-in yellow Nyrod tube horn locations Now cut three slots rear spar webs hingehorn locations Push three nylon control horns through slots Put wing aileron place shown plan thread A6-in wire through Nyrod previously mentioned horns Use /16-in balsa shims hold clearance gap between aileron spar constant satisfied fit alignment aileron epoxy horns place front aft spar interesting know Pat Tritle used A6-in plywood horns instead nylon ones epoxy cures remove shims check hinge action Connect pushrod pre viously mentioned aileron horn necessary bend slight bow avoid having cut clearance notch aft top spar As-in wire hinge pin can made removable bending short L end toward wing tip gluing slot wing tip Before building second wing panel would worth builders time construct spar carry-through boxes used ensure proper spar alignment during construction second panel Build second wing panel same way first Now get fuselage deci sions scale tail wheel assembly wanted select suitable commercial substitute Likewise cowl wheel pants Most important dont think overpowering model prototypes fly perfectly 120 four-strokes 91 twostrokes Hold maximum engine size Also must know prototype weighs 10/2 pounds dry Finally give some thought control surfaces driven Some builders like pull-pull cables rudder solid pushrod elevator servos under seat Others prefer solid pushrods radio fuselage bay aft wing trailing edge access hatch bottom fuselage plane way Start building fuselage side over waxed-paper-covered plan unpin side sand smooth build Continued page 67 Left SuperTigre 91 Slimline muffler mounts radially extension box throttle servo nearby firewall 62 Model Aviation little details covering left note simulated rib stitching rudder right balsa fills void between landing gear wires has pinked tape edging Wing-bottom detailing L rib stitching rim inspection hole cover R scale U bracket attaching jury struts another inspection hole rim Wing root reveals protruding wing spar stubs will slip boxes built cabin roof Pat Tritles scale instrument panel control wheels fabricated bent brass rods soldered together Above molded fiberglass cowl Builder can either make own buy commercial unit RI EIDMRIRXt RI E fS PRESENTS $28500 Including Shipping Handling LOOK WHATS BEEN LIBERATED B-24D FIBERGLASS FUSELAGE NACELLES COWLS WING 108 ENGINE 4-40 FOAM WINGS & STABS ff--K- Li COMING IN APRIL Send Check Money Order BOMBER BOYS P 0 BOX ABC BRADLEY WV 25818 304 877-2336 items can tested determine function intended durability can also observed Landing gear b Folding wings c Hood canopy hatch 7 Assembly methods Building model gives good indication sequence assembly operations required full-scale aircraft operations include following Skinning b Component alignment c Canopy installation An excellent article Dynamic Modeling featured July August 1987 issues Sport Aviation explains detail use scale models simulating dynamic flight characteristics full-scale aircraft bibliography reference material have used design aircraft follows article next installment series Snipe will cover design building testing model conclusions reached concerning flight performance continued BIBLIOGRAPHY Abbott Ira H Albert E Von Doenhoff Theory Wing Sections New York NY Dover Publishing Inc 1959 Bonacci Nick Aircraft Sheet Metal Casper Wyo lAP Inc 1987 Breneman John W Strength Materials 2nd ed New York NY McGraw-Hill Book Company Inc 1952 Dzik Stanley J Aircraft Hardware Standards Manual & Engineering Reference Appleton Wis Aviation Publications 1977 Hoerner Sighard F Fluid-Dynamic Drag Midland Park NJ S F Hoerner 1958 Pazmany L Landing Gear Design Light Aircraft Vol 1 San Diego Calif Pazmany Aircraft Corporation 1986 Light Aircraft Design 3rd ed San Diego Calif L Pazmany 1963 L Pazmany H Prentice C Waterman F Tietge Potential Structural Materials Design Concepts Light Airplanes Springfield Va National Technical Information Service US Department Commerce 1968 Poberezny Paul H Schmid SH Custom Built Sport Aircraft Handbook Oshkosh Wis BAA Aviation Foundation 1986 Rhodes 0 Thompson Stress Without Tears Indianapolis md Jacobs Publishing Inc 1990 Thurston David B Design Flying New York NY McGraw-Hill Book Company 1978 US Government Printing Office Code Federal Regulations Title 14Aeronautics Space Parts 59 Office Federal Register National Archives Records Administration 1989 orcraftlSimpson Continued paqe 62 second side directly over first side waxed paper between Remember sides framework sheet stuff will added later Cut -in Lite Ply gear mount fit between lower fuselage longerons 5 front back Use large pins small nails securely attach building surface over waxed-paper-covered top view Use least three large right triangles hold fuselage sides vertical Make sure tail posts same height above bench dont want build twist fuselage Before gluing fuselage sides landing gear mount sand correct taper aft ends sides pulled together over plans two will total k Next glue longerons landing gear mount Carefully cut fuselage crosspieces length glue place across top cabin between uprights define cabin doors Use triangles hold Continued page 72 OPPORTUNITY OF LIFE TIME! Turn key business sale estab lished kit manufacturer Can run garage desired High profit margin Call 813- 854-KITS April 1993 67 [ ADVANCED AERO PRODUCTS YS & OS SURPASS 120 kJ1 7f/~ IEXHAIJST SYSTEMS FOR PATTERN AIRCRAFT AND ULTIMATE BWE SIUCONE COUPLERS AND TAIL PIPES AlSO AVAILABLE CALL OA WflE F WOf4ATU4DAALCR NQJIFES IfTED RT 1 BOX 366-C ANNA TX 75409 214 924-3940 CMPUIERIID MRCRA1I Pb9lS Technical Illustratiolls Suitable Framing Scale ting Scanning Services 3 Views D-TECH SYSTEMS 325 Shawnee Trail Catalog $ioa Carterville IL 62918 6189852383 PLANE VIDEO GIVES YOU LIBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT IULBflflME 2-2 HOUR VIDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRATr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSHRODS ALIGNMENT BALANCING AND MUCH MORE $3495 shIpping 1600 foreign order AEROBATICS & GROUND SCHOOL 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFFS SPINS CROSS WIND TECHNIQUES SNAP ROLlS AND MOUL $1985 shIpping 1600011 foreign order BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INFORMATION ON FOAM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH FG CLOTH PAINTING & DETAILING $1906 $300 shIpping 1600 foreign orders TAPES AVAILABLE IN l11S OILY SEIC CHECK OR MO PLANE VIDEO P0 BOX 23126 CLI yE IA 50325 V1S4 ca 1-800-383-8251 515-2230607 HOUR TOLL FREE IA NE5ENT5 ADO 4% SALlE 1*1 FOAM WING CORE LAMINATION Made simple fast easy permanent STA-PUT II Spray Adhesive Used endorsed Lanier fl/C Water resistant quick setting strong bonds dries clear STA-PUT II has used industrial applications since 1988 now being made available adult hobbyist Laminate Foam Wing Cores easily neatly fast Simply spray both surfaces allow get tacky align properly assemble firm pressure Useful other applications hobby craft markets especially polystyrene foams used Ask favorite hobby store STA-PUT II name literature call 800-346-2803 IF STA-PUT WONT GLUE IT 9 IT Should interested willing cut out wing ribs bend wire Chuck Gill Airplane Works 2184 Gilbride Road Martinsville NJ 08836 Tel [908] 356-8557 has kits available priced $225 Build both restart WW Stress test recurrent nightmare associated designing model airplane kit manufacturer possibility structural failures either poor workmanship overpowering design As consequence tend overstructure just case leaves wondering just much excess power design could actually handle John Walkers Big Bingo photo powered SuperTigre 4500 John modified vertical fin turtledeck formers made no changes rest fuselage wings two-part wing aluminum pipe/phenolic tube joiner retained frightened bit admittedly 20-pound model will climb 890 angle right out sight has spectacular pulling power through inside outside maneuvers just plain awesome After 60 flights no sign surface flutter structural cracking has observed So really still dont know what too much power Big Bingo might orcraftlSimpson Continued page 67 cabin upright square Join tail posts using triangle align above plan hold joint perfectly vertical builder misses fuselage will twisted tail will tilted respect wing satisfied well add remaining crosspieces diagonals shown plan Notice bottom longerons have gentle curve top longeron has definite break aft door upright may necessary crack joint reglue get right NOW its time select another option mounting engine four-stroke longshaft engine used builder may wish mount radial mount directly firewall case firewall cut shape glued front framework Add -in sheet balsa sides bottom shown plan Mount engine install fuel tank top third tank above needle valve secure tank prevent foaming fuel engine running other hand two-stroke engines relatively short use box fits square cutout firewall extends way back instrument panel fuel tank will mounted inside box has aft end open access tank front 72 Model Aviation scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 3387 N EIlibrvYraIl West Palm Beach FL 83409 407-688-43669 flUDDY SUPER o-I-ufl box -in plywood radial engine mount bolted length box cut properly position engines propeller drive washer about /s ahead cowl best build box fit firewall before mounting firewall adding -in sheeting outlined previous paragraph After engine tank installed fuel tubes sorted out instrument panel -in sheet balsa planking between firewall can installed builder has elected buy fiberglass cowl may now fitted plane either flush firewall overlapped preferred builder elects make cowl use 3/s-in -in balsa rough bottom sides fit between firewall nose bowl Since no compound curve top cowling -in balsa sheet may formed wetting side curve across top may made removable desired Carve sand bottom sides match either plan specific fullscale aircraft being modeled nose bowl sheet balsa must carved sanded match rest cowl Balsa cowls may also bolted firewall cowlmounting blocks same manner fiberglass ones key elements cabin roof/wing center section spar carry-through boxes wing root ribs made /i6-in plywood laminated 346-in sheet balsa Make two root ribs exactly alike front spar carry-through box epoxied top doubled spruce fuselage uprights root ribs rear carrythrough fitted epoxied fuselage top side longerons top cabin crosspieces Carve triangular-shaped balsa block fill gap between root rib aft rear spar carry-through top fuselage longeron Add top fuselage stringers after -in square balsa crosspieces installed Bend landing gear 5/32-indiameter music wire using front side views guides Remember brace wire goes axle middle aft main wire Clean wires will join sand shiny bind soft copper wire use plenty heat solder isnt done order given youll sorry final steps fit struts wing assemble wing struts place fuselage whole works upside down workbench Put 1-inch-thick block under cabin roof wing tips touching workbench will give desired 10 dihedral plane upright wing taped place fit main struts fuselage near aft main gear strut point shown install hold-down bolts through landing gear plate large blind nuts VALVE 5MQK MA8T SMQKERSYSTEM $49 plas $4 shipping & handling ISA Smoker Preheaters Are Twice As Effective As Head Coils Complete Smoker System Ia22Cdc 9 5 & 74 120 4-Cyde Fneines Includes preheater smoker pump smoker valve tubing pressure taps check valve 4-C complete instructions Ask About New CALL b912367O567 Aluminum Visa Mastercard & [AJi4P J AirplaneAmerican EyireSS AMERICANMODEL PRODUCTS Coming SoonAccepteRT3 BOX April 1993 73 #1 IN SUPERIOR QUALITY PRODUCTS Set plane upright block up tail check main wing panel proper incidence least three places panel no warps present drill holes four bolts two through root rib spar stub carry-through box builders choice secure wing panels fuselage Now install radio control linkages sure work smoothly proper direction Add structural scale details desired such gear-axle-to-wheel-pant attachment wing strut cuffs before covering fabric covering used better wait until after plane covered before adding such details plane covered using builders favorite method prototype covered Sig Koverall doped covered Coverite doped Two MonoKoted have seen some restored full-scale Taylorcrafts shiny looked MonoKoted Before flying plane take time check warps Correct found control checks smoothness proper direction Use rate switches exponential control avoid overcontrol Check balance point sure shown plans slightly ahead Finally run engine adjust idle properly Only has done will plane ready fly model flies like Old-Timer free flight except also loops rolls spins flies inverted beautifully readers think special just hide watch get latest clipped-wing version done Theyre really hot * About Cover Continued paqe 53 Robert Benjamin describes himself traditional representational artist has made commitment portrayal aviation subject matter artist member American Society Aviation Artists Examples Benjamins work display San Diego Aerospace Museum Pearson Air Museum Vancouver Washington US Air Force Art Pro gram collection also artist behind sizable collection art work displayed AMA Museum Muncie Indiana 74 Model Aviation inued page 79
Edition: Model Aviation - 1993/04
Page Numbers: 56, 57, 58, 59, 60, 61, 62, 67, 72, 73, 74
NO OCR TEXT NO OCR TEXT corrected drawing vertical fin rudder assumed correct RCM includes enlarged drawing plan sale years later attending air show featuring Duane Cole measured rudder hinge lineand guess what 44 inches long right after Just grins have measured 11 other Taylorcrafts vary 44 54 inches majority being around 51 inches advice follows want great-flying standoff scale plane just build shown cover MonoKote favorite subject colors want higher degree scale homework first Find fullsize plane want copy study details Take two three rolls pictures Draw measure make notes Compare plans make detail changes plans necessary prototype shown accompanying pictures built plans full-size Taylorcraft lived Coronado Airport North Albuquerque New Mexico Pat Tritle built model incorporated myriad special scale details such two long bumps seen top engine cowl housed part full-scale planes special ignition system Doesnt Pat build beautifully great scale detail shown plans because unique particular plane Incidentally full-size plane no destroyed unusual low-altitude low-speed accident airport prettiest picture 1941 Taylorcraft ever saw cover Sport Aviation magazines May 1990 edition published Experimental Aircraft Association [EAA] 3000 Poberezny Road Oshkosh WI 54903 aircraft pictured featured article Norm Petersen about man named Lowell Thomas Tom Baker restored may want write EAA N: UC . STRUTa ELA B RL5R SNT N0a FIBERGLABt COWL/ and purchase issue have suitable subject nearby scale three-view drawings used outline done Don Pratt July 1966 published February 1968 issue nowdefunct American Aircraft Modeler magazine drawing describes full-size airplane being Cub yellow over chocolate brown As writing got telephone call good friend Gil Horstman now lives near Spokane Washington Gil said recently found finally Taylorcraft yellow brown would send pictures looking such example years chuckled confessed ragged out mess So still looking case know Gil also Taylorcraft lover has 1/3-scale version under way Years ago hangar-flying session Gil agreed Taylorcraft first choice one-airplane stable BC-12 fine trainer clipped-wing version great aerobatic airplane Either version also good choice level scale modeling Now arent glad read far last note before begin construction blue-and-yellow version built Pat Tritle won first place its first scale contest Northern New Mexico Scale Classic Static score 8010 flying 7645 bad since Pat says theres lots detail plans favorite 58 Model Aviation 4Well full-scale model Paul Tritles beautiful rendition big T-craft model shows realism enhanced attention little things Little bulges cowl top full-scale plane Paul based model covered planes special ignition system wires T-crafts Swooshing over New Mexico tumbleweeds landing Hows realism Note wings very flat dihedral 1941 TJIYLORC1I1IPT JAMES L SIMPSON -5SPLSR SHtrT ro& BOTTOM 4 $QBRLSG 4 SQ SPRUCE 4 SQSPRLEE CSOSPRUCE lop 6STRINSERS PRUCE SQ SRLSQ jBALSR 561 4 SLRLSQ 4 80 SPRUCE 450 SPRUCE 1WICPL LONGSRCNS UPRIGH1S DIfTGONRLS SQ SPRUCE STRINGERS CE STOCK ~ 5 4 ERLSR CPP STRIPS Sf155 5155 SIlT 58155 TOP & B01180M ISR SATSPLSR WEES I4SRLSS SIlTURS BSR WHEEL PANTS Y Al Id SPLLOCN WI-IELLS 35 LE BGLSR SlEET TOP& 5050W comment about well plane flies Again congratulations Pat such great job CONSTRUCTION Lets begin tail since tails easy build give illusion being one-third done finished First builder needs make some decisions Does want form tips strips AR X -in balsa soaked ammonia water white-glued together around form does prefer cut curved pieces -in sheet basswood Next building true scale using trim tabs shown elevator rudder Incorporate selections remainder structures frames outlined -in-square spruce use -in balsa cross pieces Build framework over plans covered waxed paper After glue dries completely remove waxed paper shape hinge lines match choice scale sport version shown plan Finally round outside edges frames simulate steel tubing used full-scale plane finish-sand flat sides Drill holes brace wires small April 1993 59 / C 6 4 Bare bones tail feathers Tail wheel CB Associates medium-size unit rudder uses pull-pull cables elevator solid pushrod Detail wing strut installation Thats aileron servo cable snaking along out servo installed visible use black nonstretch fish line will glued place after covering final assembly Drill holes large enough 2-56 bolts plan fabricate scale fittings brace wires Cut out stack sand complete set wing ribs Dont cut off aileron portion tailing edge will separated later Cuffing lightening holes ribs optional Drill Vs-in holes ribs aileron pushrods hinge pins Use short lengths yellow Nyrod bushings holes As said beginning what makes plane fly well else being equal shape airfoil especially bottom curve Unfortunately curve also makes harder build wing properly Readers may know easier way am going describe please share us First another decision Does builder want scale rib locations ailerons answer yes DO NOT glue aileron ribs trailing edge answer no cover wing plan waxed paper pin trailing edge place over plan cut inboard end aileron yet Use n balsa will later become leading edge jig strip pin place over plan front spar shown under waxed paper sure waxed paper draped over top strip Put bottom spar place top waxed paper hold pinning rib place Only aft end rib within inch tailing edge should touching building board surface Glue ribs tailing edge Check spar alignment rib placement glue ribs bottom spar Cut strip 1/s-in balsa same width distance between spars approximately inch Cut lengths fit between ribs glue place between rib second rib way out tip plate 12 places wing panel Use same process install 3A2 x -in rear spar webs use 3A2-in sheet balsa shims secure rear spar place over plan satisfied both spars perfectly straight check fit glue both top spars place Check front view wing tip see approximate location tip plate toward top wing glue fourteenth rib Glue upper lower tip ribs tip plate Bend glue spars tip plate little carving will necessary get correct shape Re move wing plan make easier Add laminations top bottom tip bow taper receive leading edge planking Select piece As x 2 x 48-in balsa least medium weight soft light bottom leading edge planking Stick five-inch lengths masking tape bottom centered rib location three inches tape out front sticky side up Pin planking place rear edge aligned centerline front spar Slide strip balsa same size fuselage longeron under aft end wing hold ribs level glue front lower spar planking Start middle wing secured building surface using weights pins use tape lift planking until contacts bottom rib Glue planking rib CyA glue squirt Ed note Means spray lightly accelerator sets immediately Repeat procedure rib side center rib Keep until ribs glued Add top phinking after 60 Model Aviation LAGE TOP VIEW STABILIZERELEVATOR FIN .. ER E SIDE VIEW4 rzzvozz 1941 TAYLORCRAFT Wing tip structural detail reveals basic tip plate Note aileron hinge post pro truding trailing edge Cabin windshield brace details engine mount box cowl hold-down blocks forward portion wing mount Two birds sione caIe radio antenna also part fuselage hatch covers spring-loaded latch Full Size Plans Available-See Page 182 NLfl T -rnn'WING TS WI N ~F4 1 V UTRUNT RN2 -c Dr\ ---~ AILON ~2~_____ t - - ____- ~t7#7 WING F LI T SIDE U UI151 1 -ft 4 URRUURURUUNTRIRNUUMUGRI UTIUTIUG 1941 TAYLOUCRAFT removing pins front spar location using slow CyA glue Using free end pieces masking tape secure sheeting place around front rib Also use tape weights secure aft edge planking top spar Let everything dry overnight Remove pieces tape use long least 11 inches sanding block sand planking rib fronts flat receive x x 48-in balsa leading edge sure wing flat building surface true will move Glue leading edge place secure pins tape Let glue dry completely step closes structural D tube sets wing straight twisted didnt get everything straight true life Use X-Acto saw cut ailerons loose making first cuts angled cuts through ribs cut trailing edge Now go back cut rib stubs off back edge rear spar Glue 6 x -in balsa planking over aft spar aileron cutout Glue -in triangle stock underneath Add cap strips top bottom Cut strut mounts doublers install same aileron bellcrank mount Carefully remove portion root rib between top bottom spars Cut plywood spar webs 55/s long sure slight taper bottom toward fuselage Epoxy between set spars Add 46-in sheet balsa planking hatch aileron servo shown plan aileron can built flat plan Pin trailing edge down over waxed paper add ribs elected scale locations nonscale rib location option chosen pin ribs down since already glued trailing edge Thread piece Sullivan inner Nyrod yellow part through A-in holes ribs hinge pin location tube runs entire length aileron Push piece /is-in music wire though tube tube perfectly straight glue Nyrod rib glue dries remove /i6-in piece wire Add carefully rounded balsa leading edge aileron Add 1/16-in sheet cap strips top bottom Cut notches aileron leading edge three places shown plan Builders have three options controlling ailerons aileron servo may mounted out wing place bellcrank shown may put wing root preference inside cabin area Any choice requires short pushrod wing aileron Ive shown nylon bellcrank epoxied place between aileron ribs Balsa block fillers used make snug fit pivot point connection pushrod shown set back 70 aft perpendicular give differential aileron travel 260 up 190 down feel optimum differential aileron travel may also accomplished using offset bellcraniks use computer radio Regardless method used differential aileron movement definitely helps minimize adverse April 1993 61 Alternative landing gear mount uses channeled hardwood blocks Radio receiver mounts under scale seat plywood floor Access via cabin doors neex Dalsa panels have added entire cabin area including side stringers blended smoothly using sanding block elbow grease yaw tendency plane turn toward down aileron opposite what want plane insure no binding aileron hinge line first cut three slots Is-in yellow Nyrod tube horn locations Now cut three slots rear spar webs hingehorn locations Push three nylon control horns through slots Put wing aileron place shown plan thread A6-in wire through Nyrod previously mentioned horns Use /16-in balsa shims hold clearance gap between aileron spar constant satisfied fit alignment aileron epoxy horns place front aft spar interesting know Pat Tritle used A6-in plywood horns instead nylon ones epoxy cures remove shims check hinge action Connect pushrod pre viously mentioned aileron horn necessary bend slight bow avoid having cut clearance notch aft top spar As-in wire hinge pin can made removable bending short L end toward wing tip gluing slot wing tip Before building second wing panel would worth builders time construct spar carry-through boxes used ensure proper spar alignment during construction second panel Build second wing panel same way first Now get fuselage deci sions scale tail wheel assembly wanted select suitable commercial substitute Likewise cowl wheel pants Most important dont think overpowering model prototypes fly perfectly 120 four-strokes 91 twostrokes Hold maximum engine size Also must know prototype weighs 10/2 pounds dry Finally give some thought control surfaces driven Some builders like pull-pull cables rudder solid pushrod elevator servos under seat Others prefer solid pushrods radio fuselage bay aft wing trailing edge access hatch bottom fuselage plane way Start building fuselage side over waxed-paper-covered plan unpin side sand smooth build Continued page 67 Left SuperTigre 91 Slimline muffler mounts radially extension box throttle servo nearby firewall 62 Model Aviation little details covering left note simulated rib stitching rudder right balsa fills void between landing gear wires has pinked tape edging Wing-bottom detailing L rib stitching rim inspection hole cover R scale U bracket attaching jury struts another inspection hole rim Wing root reveals protruding wing spar stubs will slip boxes built cabin roof Pat Tritles scale instrument panel control wheels fabricated bent brass rods soldered together Above molded fiberglass cowl Builder can either make own buy commercial unit RI EIDMRIRXt RI E fS PRESENTS $28500 Including Shipping Handling LOOK WHATS BEEN LIBERATED B-24D FIBERGLASS FUSELAGE NACELLES COWLS WING 108 ENGINE 4-40 FOAM WINGS & STABS ff--K- Li COMING IN APRIL Send Check Money Order BOMBER BOYS P 0 BOX ABC BRADLEY WV 25818 304 877-2336 items can tested determine function intended durability can also observed Landing gear b Folding wings c Hood canopy hatch 7 Assembly methods Building model gives good indication sequence assembly operations required full-scale aircraft operations include following Skinning b Component alignment c Canopy installation An excellent article Dynamic Modeling featured July August 1987 issues Sport Aviation explains detail use scale models simulating dynamic flight characteristics full-scale aircraft bibliography reference material have used design aircraft follows article next installment series Snipe will cover design building testing model conclusions reached concerning flight performance continued BIBLIOGRAPHY Abbott Ira H Albert E Von Doenhoff Theory Wing Sections New York NY Dover Publishing Inc 1959 Bonacci Nick Aircraft Sheet Metal Casper Wyo lAP Inc 1987 Breneman John W Strength Materials 2nd ed New York NY McGraw-Hill Book Company Inc 1952 Dzik Stanley J Aircraft Hardware Standards Manual & Engineering Reference Appleton Wis Aviation Publications 1977 Hoerner Sighard F Fluid-Dynamic Drag Midland Park NJ S F Hoerner 1958 Pazmany L Landing Gear Design Light Aircraft Vol 1 San Diego Calif Pazmany Aircraft Corporation 1986 Light Aircraft Design 3rd ed San Diego Calif L Pazmany 1963 L Pazmany H Prentice C Waterman F Tietge Potential Structural Materials Design Concepts Light Airplanes Springfield Va National Technical Information Service US Department Commerce 1968 Poberezny Paul H Schmid SH Custom Built Sport Aircraft Handbook Oshkosh Wis BAA Aviation Foundation 1986 Rhodes 0 Thompson Stress Without Tears Indianapolis md Jacobs Publishing Inc 1990 Thurston David B Design Flying New York NY McGraw-Hill Book Company 1978 US Government Printing Office Code Federal Regulations Title 14Aeronautics Space Parts 59 Office Federal Register National Archives Records Administration 1989 orcraftlSimpson Continued paqe 62 second side directly over first side waxed paper between Remember sides framework sheet stuff will added later Cut -in Lite Ply gear mount fit between lower fuselage longerons 5 front back Use large pins small nails securely attach building surface over waxed-paper-covered top view Use least three large right triangles hold fuselage sides vertical Make sure tail posts same height above bench dont want build twist fuselage Before gluing fuselage sides landing gear mount sand correct taper aft ends sides pulled together over plans two will total k Next glue longerons landing gear mount Carefully cut fuselage crosspieces length glue place across top cabin between uprights define cabin doors Use triangles hold Continued page 72 OPPORTUNITY OF LIFE TIME! Turn key business sale estab lished kit manufacturer Can run garage desired High profit margin Call 813- 854-KITS April 1993 67 [ ADVANCED AERO PRODUCTS YS & OS SURPASS 120 kJ1 7f/~ IEXHAIJST SYSTEMS FOR PATTERN AIRCRAFT AND ULTIMATE BWE SIUCONE COUPLERS AND TAIL PIPES AlSO AVAILABLE CALL OA WflE F WOf4ATU4DAALCR NQJIFES IfTED RT 1 BOX 366-C ANNA TX 75409 214 924-3940 CMPUIERIID MRCRA1I Pb9lS Technical Illustratiolls Suitable Framing Scale ting Scanning Services 3 Views D-TECH SYSTEMS 325 Shawnee Trail Catalog $ioa Carterville IL 62918 6189852383 PLANE VIDEO GIVES YOU LIBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT IULBflflME 2-2 HOUR VIDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRATr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSHRODS ALIGNMENT BALANCING AND MUCH MORE $3495 shIpping 1600 foreign order AEROBATICS & GROUND SCHOOL 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFFS SPINS CROSS WIND TECHNIQUES SNAP ROLlS AND MOUL $1985 shIpping 1600011 foreign order BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INFORMATION ON FOAM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH FG CLOTH PAINTING & DETAILING $1906 $300 shIpping 1600 foreign orders TAPES AVAILABLE IN l11S OILY SEIC CHECK OR MO PLANE VIDEO P0 BOX 23126 CLI yE IA 50325 V1S4 ca 1-800-383-8251 515-2230607 HOUR TOLL FREE IA NE5ENT5 ADO 4% SALlE 1*1 FOAM WING CORE LAMINATION Made simple fast easy permanent STA-PUT II Spray Adhesive Used endorsed Lanier fl/C Water resistant quick setting strong bonds dries clear STA-PUT II has used industrial applications since 1988 now being made available adult hobbyist Laminate Foam Wing Cores easily neatly fast Simply spray both surfaces allow get tacky align properly assemble firm pressure Useful other applications hobby craft markets especially polystyrene foams used Ask favorite hobby store STA-PUT II name literature call 800-346-2803 IF STA-PUT WONT GLUE IT 9 IT Should interested willing cut out wing ribs bend wire Chuck Gill Airplane Works 2184 Gilbride Road Martinsville NJ 08836 Tel [908] 356-8557 has kits available priced $225 Build both restart WW Stress test recurrent nightmare associated designing model airplane kit manufacturer possibility structural failures either poor workmanship overpowering design As consequence tend overstructure just case leaves wondering just much excess power design could actually handle John Walkers Big Bingo photo powered SuperTigre 4500 John modified vertical fin turtledeck formers made no changes rest fuselage wings two-part wing aluminum pipe/phenolic tube joiner retained frightened bit admittedly 20-pound model will climb 890 angle right out sight has spectacular pulling power through inside outside maneuvers just plain awesome After 60 flights no sign surface flutter structural cracking has observed So really still dont know what too much power Big Bingo might orcraftlSimpson Continued page 67 cabin upright square Join tail posts using triangle align above plan hold joint perfectly vertical builder misses fuselage will twisted tail will tilted respect wing satisfied well add remaining crosspieces diagonals shown plan Notice bottom longerons have gentle curve top longeron has definite break aft door upright may necessary crack joint reglue get right NOW its time select another option mounting engine four-stroke longshaft engine used builder may wish mount radial mount directly firewall case firewall cut shape glued front framework Add -in sheet balsa sides bottom shown plan Mount engine install fuel tank top third tank above needle valve secure tank prevent foaming fuel engine running other hand two-stroke engines relatively short use box fits square cutout firewall extends way back instrument panel fuel tank will mounted inside box has aft end open access tank front 72 Model Aviation scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 3387 N EIlibrvYraIl West Palm Beach FL 83409 407-688-43669 flUDDY SUPER o-I-ufl box -in plywood radial engine mount bolted length box cut properly position engines propeller drive washer about /s ahead cowl best build box fit firewall before mounting firewall adding -in sheeting outlined previous paragraph After engine tank installed fuel tubes sorted out instrument panel -in sheet balsa planking between firewall can installed builder has elected buy fiberglass cowl may now fitted plane either flush firewall overlapped preferred builder elects make cowl use 3/s-in -in balsa rough bottom sides fit between firewall nose bowl Since no compound curve top cowling -in balsa sheet may formed wetting side curve across top may made removable desired Carve sand bottom sides match either plan specific fullscale aircraft being modeled nose bowl sheet balsa must carved sanded match rest cowl Balsa cowls may also bolted firewall cowlmounting blocks same manner fiberglass ones key elements cabin roof/wing center section spar carry-through boxes wing root ribs made /i6-in plywood laminated 346-in sheet balsa Make two root ribs exactly alike front spar carry-through box epoxied top doubled spruce fuselage uprights root ribs rear carrythrough fitted epoxied fuselage top side longerons top cabin crosspieces Carve triangular-shaped balsa block fill gap between root rib aft rear spar carry-through top fuselage longeron Add top fuselage stringers after -in square balsa crosspieces installed Bend landing gear 5/32-indiameter music wire using front side views guides Remember brace wire goes axle middle aft main wire Clean wires will join sand shiny bind soft copper wire use plenty heat solder isnt done order given youll sorry final steps fit struts wing assemble wing struts place fuselage whole works upside down workbench Put 1-inch-thick block under cabin roof wing tips touching workbench will give desired 10 dihedral plane upright wing taped place fit main struts fuselage near aft main gear strut point shown install hold-down bolts through landing gear plate large blind nuts VALVE 5MQK MA8T SMQKERSYSTEM $49 plas $4 shipping & handling ISA Smoker Preheaters Are Twice As Effective As Head Coils Complete Smoker System Ia22Cdc 9 5 & 74 120 4-Cyde Fneines Includes preheater smoker pump smoker valve tubing pressure taps check valve 4-C complete instructions Ask About New CALL b912367O567 Aluminum Visa Mastercard & [AJi4P J AirplaneAmerican EyireSS AMERICANMODEL PRODUCTS Coming SoonAccepteRT3 BOX April 1993 73 #1 IN SUPERIOR QUALITY PRODUCTS Set plane upright block up tail check main wing panel proper incidence least three places panel no warps present drill holes four bolts two through root rib spar stub carry-through box builders choice secure wing panels fuselage Now install radio control linkages sure work smoothly proper direction Add structural scale details desired such gear-axle-to-wheel-pant attachment wing strut cuffs before covering fabric covering used better wait until after plane covered before adding such details plane covered using builders favorite method prototype covered Sig Koverall doped covered Coverite doped Two MonoKoted have seen some restored full-scale Taylorcrafts shiny looked MonoKoted Before flying plane take time check warps Correct found control checks smoothness proper direction Use rate switches exponential control avoid overcontrol Check balance point sure shown plans slightly ahead Finally run engine adjust idle properly Only has done will plane ready fly model flies like Old-Timer free flight except also loops rolls spins flies inverted beautifully readers think special just hide watch get latest clipped-wing version done Theyre really hot * About Cover Continued paqe 53 Robert Benjamin describes himself traditional representational artist has made commitment portrayal aviation subject matter artist member American Society Aviation Artists Examples Benjamins work display San Diego Aerospace Museum Pearson Air Museum Vancouver Washington US Air Force Art Pro gram collection also artist behind sizable collection art work displayed AMA Museum Muncie Indiana 74 Model Aviation inued page 79
Edition: Model Aviation - 1993/04
Page Numbers: 56, 57, 58, 59, 60, 61, 62, 67, 72, 73, 74
NO OCR TEXT NO OCR TEXT corrected drawing vertical fin rudder assumed correct RCM includes enlarged drawing plan sale years later attending air show featuring Duane Cole measured rudder hinge lineand guess what 44 inches long right after Just grins have measured 11 other Taylorcrafts vary 44 54 inches majority being around 51 inches advice follows want great-flying standoff scale plane just build shown cover MonoKote favorite subject colors want higher degree scale homework first Find fullsize plane want copy study details Take two three rolls pictures Draw measure make notes Compare plans make detail changes plans necessary prototype shown accompanying pictures built plans full-size Taylorcraft lived Coronado Airport North Albuquerque New Mexico Pat Tritle built model incorporated myriad special scale details such two long bumps seen top engine cowl housed part full-scale planes special ignition system Doesnt Pat build beautifully great scale detail shown plans because unique particular plane Incidentally full-size plane no destroyed unusual low-altitude low-speed accident airport prettiest picture 1941 Taylorcraft ever saw cover Sport Aviation magazines May 1990 edition published Experimental Aircraft Association [EAA] 3000 Poberezny Road Oshkosh WI 54903 aircraft pictured featured article Norm Petersen about man named Lowell Thomas Tom Baker restored may want write EAA N: UC . STRUTa ELA B RL5R SNT N0a FIBERGLABt COWL/ and purchase issue have suitable subject nearby scale three-view drawings used outline done Don Pratt July 1966 published February 1968 issue nowdefunct American Aircraft Modeler magazine drawing describes full-size airplane being Cub yellow over chocolate brown As writing got telephone call good friend Gil Horstman now lives near Spokane Washington Gil said recently found finally Taylorcraft yellow brown would send pictures looking such example years chuckled confessed ragged out mess So still looking case know Gil also Taylorcraft lover has 1/3-scale version under way Years ago hangar-flying session Gil agreed Taylorcraft first choice one-airplane stable BC-12 fine trainer clipped-wing version great aerobatic airplane Either version also good choice level scale modeling Now arent glad read far last note before begin construction blue-and-yellow version built Pat Tritle won first place its first scale contest Northern New Mexico Scale Classic Static score 8010 flying 7645 bad since Pat says theres lots detail plans favorite 58 Model Aviation 4Well full-scale model Paul Tritles beautiful rendition big T-craft model shows realism enhanced attention little things Little bulges cowl top full-scale plane Paul based model covered planes special ignition system wires T-crafts Swooshing over New Mexico tumbleweeds landing Hows realism Note wings very flat dihedral 1941 TJIYLORC1I1IPT JAMES L SIMPSON -5SPLSR SHtrT ro& BOTTOM 4 $QBRLSG 4 SQ SPRUCE 4 SQSPRLEE CSOSPRUCE lop 6STRINSERS PRUCE SQ SRLSQ jBALSR 561 4 SLRLSQ 4 80 SPRUCE 450 SPRUCE 1WICPL LONGSRCNS UPRIGH1S DIfTGONRLS SQ SPRUCE STRINGERS CE STOCK ~ 5 4 ERLSR CPP STRIPS Sf155 5155 SIlT 58155 TOP & B01180M ISR SATSPLSR WEES I4SRLSS SIlTURS BSR WHEEL PANTS Y Al Id SPLLOCN WI-IELLS 35 LE BGLSR SlEET TOP& 5050W comment about well plane flies Again congratulations Pat such great job CONSTRUCTION Lets begin tail since tails easy build give illusion being one-third done finished First builder needs make some decisions Does want form tips strips AR X -in balsa soaked ammonia water white-glued together around form does prefer cut curved pieces -in sheet basswood Next building true scale using trim tabs shown elevator rudder Incorporate selections remainder structures frames outlined -in-square spruce use -in balsa cross pieces Build framework over plans covered waxed paper After glue dries completely remove waxed paper shape hinge lines match choice scale sport version shown plan Finally round outside edges frames simulate steel tubing used full-scale plane finish-sand flat sides Drill holes brace wires small April 1993 59 / C 6 4 Bare bones tail feathers Tail wheel CB Associates medium-size unit rudder uses pull-pull cables elevator solid pushrod Detail wing strut installation Thats aileron servo cable snaking along out servo installed visible use black nonstretch fish line will glued place after covering final assembly Drill holes large enough 2-56 bolts plan fabricate scale fittings brace wires Cut out stack sand complete set wing ribs Dont cut off aileron portion tailing edge will separated later Cuffing lightening holes ribs optional Drill Vs-in holes ribs aileron pushrods hinge pins Use short lengths yellow Nyrod bushings holes As said beginning what makes plane fly well else being equal shape airfoil especially bottom curve Unfortunately curve also makes harder build wing properly Readers may know easier way am going describe please share us First another decision Does builder want scale rib locations ailerons answer yes DO NOT glue aileron ribs trailing edge answer no cover wing plan waxed paper pin trailing edge place over plan cut inboard end aileron yet Use n balsa will later become leading edge jig strip pin place over plan front spar shown under waxed paper sure waxed paper draped over top strip Put bottom spar place top waxed paper hold pinning rib place Only aft end rib within inch tailing edge should touching building board surface Glue ribs tailing edge Check spar alignment rib placement glue ribs bottom spar Cut strip 1/s-in balsa same width distance between spars approximately inch Cut lengths fit between ribs glue place between rib second rib way out tip plate 12 places wing panel Use same process install 3A2 x -in rear spar webs use 3A2-in sheet balsa shims secure rear spar place over plan satisfied both spars perfectly straight check fit glue both top spars place Check front view wing tip see approximate location tip plate toward top wing glue fourteenth rib Glue upper lower tip ribs tip plate Bend glue spars tip plate little carving will necessary get correct shape Re move wing plan make easier Add laminations top bottom tip bow taper receive leading edge planking Select piece As x 2 x 48-in balsa least medium weight soft light bottom leading edge planking Stick five-inch lengths masking tape bottom centered rib location three inches tape out front sticky side up Pin planking place rear edge aligned centerline front spar Slide strip balsa same size fuselage longeron under aft end wing hold ribs level glue front lower spar planking Start middle wing secured building surface using weights pins use tape lift planking until contacts bottom rib Glue planking rib CyA glue squirt Ed note Means spray lightly accelerator sets immediately Repeat procedure rib side center rib Keep until ribs glued Add top phinking after 60 Model Aviation LAGE TOP VIEW STABILIZERELEVATOR FIN .. ER E SIDE VIEW4 rzzvozz 1941 TAYLORCRAFT Wing tip structural detail reveals basic tip plate Note aileron hinge post pro truding trailing edge Cabin windshield brace details engine mount box cowl hold-down blocks forward portion wing mount Two birds sione caIe radio antenna also part fuselage hatch covers spring-loaded latch Full Size Plans Available-See Page 182 NLfl T -rnn'WING TS WI N ~F4 1 V UTRUNT RN2 -c Dr\ ---~ AILON ~2~_____ t - - ____- ~t7#7 WING F LI T SIDE U UI151 1 -ft 4 URRUURURUUNTRIRNUUMUGRI UTIUTIUG 1941 TAYLOUCRAFT removing pins front spar location using slow CyA glue Using free end pieces masking tape secure sheeting place around front rib Also use tape weights secure aft edge planking top spar Let everything dry overnight Remove pieces tape use long least 11 inches sanding block sand planking rib fronts flat receive x x 48-in balsa leading edge sure wing flat building surface true will move Glue leading edge place secure pins tape Let glue dry completely step closes structural D tube sets wing straight twisted didnt get everything straight true life Use X-Acto saw cut ailerons loose making first cuts angled cuts through ribs cut trailing edge Now go back cut rib stubs off back edge rear spar Glue 6 x -in balsa planking over aft spar aileron cutout Glue -in triangle stock underneath Add cap strips top bottom Cut strut mounts doublers install same aileron bellcrank mount Carefully remove portion root rib between top bottom spars Cut plywood spar webs 55/s long sure slight taper bottom toward fuselage Epoxy between set spars Add 46-in sheet balsa planking hatch aileron servo shown plan aileron can built flat plan Pin trailing edge down over waxed paper add ribs elected scale locations nonscale rib location option chosen pin ribs down since already glued trailing edge Thread piece Sullivan inner Nyrod yellow part through A-in holes ribs hinge pin location tube runs entire length aileron Push piece /is-in music wire though tube tube perfectly straight glue Nyrod rib glue dries remove /i6-in piece wire Add carefully rounded balsa leading edge aileron Add 1/16-in sheet cap strips top bottom Cut notches aileron leading edge three places shown plan Builders have three options controlling ailerons aileron servo may mounted out wing place bellcrank shown may put wing root preference inside cabin area Any choice requires short pushrod wing aileron Ive shown nylon bellcrank epoxied place between aileron ribs Balsa block fillers used make snug fit pivot point connection pushrod shown set back 70 aft perpendicular give differential aileron travel 260 up 190 down feel optimum differential aileron travel may also accomplished using offset bellcraniks use computer radio Regardless method used differential aileron movement definitely helps minimize adverse April 1993 61 Alternative landing gear mount uses channeled hardwood blocks Radio receiver mounts under scale seat plywood floor Access via cabin doors neex Dalsa panels have added entire cabin area including side stringers blended smoothly using sanding block elbow grease yaw tendency plane turn toward down aileron opposite what want plane insure no binding aileron hinge line first cut three slots Is-in yellow Nyrod tube horn locations Now cut three slots rear spar webs hingehorn locations Push three nylon control horns through slots Put wing aileron place shown plan thread A6-in wire through Nyrod previously mentioned horns Use /16-in balsa shims hold clearance gap between aileron spar constant satisfied fit alignment aileron epoxy horns place front aft spar interesting know Pat Tritle used A6-in plywood horns instead nylon ones epoxy cures remove shims check hinge action Connect pushrod pre viously mentioned aileron horn necessary bend slight bow avoid having cut clearance notch aft top spar As-in wire hinge pin can made removable bending short L end toward wing tip gluing slot wing tip Before building second wing panel would worth builders time construct spar carry-through boxes used ensure proper spar alignment during construction second panel Build second wing panel same way first Now get fuselage deci sions scale tail wheel assembly wanted select suitable commercial substitute Likewise cowl wheel pants Most important dont think overpowering model prototypes fly perfectly 120 four-strokes 91 twostrokes Hold maximum engine size Also must know prototype weighs 10/2 pounds dry Finally give some thought control surfaces driven Some builders like pull-pull cables rudder solid pushrod elevator servos under seat Others prefer solid pushrods radio fuselage bay aft wing trailing edge access hatch bottom fuselage plane way Start building fuselage side over waxed-paper-covered plan unpin side sand smooth build Continued page 67 Left SuperTigre 91 Slimline muffler mounts radially extension box throttle servo nearby firewall 62 Model Aviation little details covering left note simulated rib stitching rudder right balsa fills void between landing gear wires has pinked tape edging Wing-bottom detailing L rib stitching rim inspection hole cover R scale U bracket attaching jury struts another inspection hole rim Wing root reveals protruding wing spar stubs will slip boxes built cabin roof Pat Tritles scale instrument panel control wheels fabricated bent brass rods soldered together Above molded fiberglass cowl Builder can either make own buy commercial unit RI EIDMRIRXt RI E fS PRESENTS $28500 Including Shipping Handling LOOK WHATS BEEN LIBERATED B-24D FIBERGLASS FUSELAGE NACELLES COWLS WING 108 ENGINE 4-40 FOAM WINGS & STABS ff--K- Li COMING IN APRIL Send Check Money Order BOMBER BOYS P 0 BOX ABC BRADLEY WV 25818 304 877-2336 items can tested determine function intended durability can also observed Landing gear b Folding wings c Hood canopy hatch 7 Assembly methods Building model gives good indication sequence assembly operations required full-scale aircraft operations include following Skinning b Component alignment c Canopy installation An excellent article Dynamic Modeling featured July August 1987 issues Sport Aviation explains detail use scale models simulating dynamic flight characteristics full-scale aircraft bibliography reference material have used design aircraft follows article next installment series Snipe will cover design building testing model conclusions reached concerning flight performance continued BIBLIOGRAPHY Abbott Ira H Albert E Von Doenhoff Theory Wing Sections New York NY Dover Publishing Inc 1959 Bonacci Nick Aircraft Sheet Metal Casper Wyo lAP Inc 1987 Breneman John W Strength Materials 2nd ed New York NY McGraw-Hill Book Company Inc 1952 Dzik Stanley J Aircraft Hardware Standards Manual & Engineering Reference Appleton Wis Aviation Publications 1977 Hoerner Sighard F Fluid-Dynamic Drag Midland Park NJ S F Hoerner 1958 Pazmany L Landing Gear Design Light Aircraft Vol 1 San Diego Calif Pazmany Aircraft Corporation 1986 Light Aircraft Design 3rd ed San Diego Calif L Pazmany 1963 L Pazmany H Prentice C Waterman F Tietge Potential Structural Materials Design Concepts Light Airplanes Springfield Va National Technical Information Service US Department Commerce 1968 Poberezny Paul H Schmid SH Custom Built Sport Aircraft Handbook Oshkosh Wis BAA Aviation Foundation 1986 Rhodes 0 Thompson Stress Without Tears Indianapolis md Jacobs Publishing Inc 1990 Thurston David B Design Flying New York NY McGraw-Hill Book Company 1978 US Government Printing Office Code Federal Regulations Title 14Aeronautics Space Parts 59 Office Federal Register National Archives Records Administration 1989 orcraftlSimpson Continued paqe 62 second side directly over first side waxed paper between Remember sides framework sheet stuff will added later Cut -in Lite Ply gear mount fit between lower fuselage longerons 5 front back Use large pins small nails securely attach building surface over waxed-paper-covered top view Use least three large right triangles hold fuselage sides vertical Make sure tail posts same height above bench dont want build twist fuselage Before gluing fuselage sides landing gear mount sand correct taper aft ends sides pulled together over plans two will total k Next glue longerons landing gear mount Carefully cut fuselage crosspieces length glue place across top cabin between uprights define cabin doors Use triangles hold Continued page 72 OPPORTUNITY OF LIFE TIME! Turn key business sale estab lished kit manufacturer Can run garage desired High profit margin Call 813- 854-KITS April 1993 67 [ ADVANCED AERO PRODUCTS YS & OS SURPASS 120 kJ1 7f/~ IEXHAIJST SYSTEMS FOR PATTERN AIRCRAFT AND ULTIMATE BWE SIUCONE COUPLERS AND TAIL PIPES AlSO AVAILABLE CALL OA WflE F WOf4ATU4DAALCR NQJIFES IfTED RT 1 BOX 366-C ANNA TX 75409 214 924-3940 CMPUIERIID MRCRA1I Pb9lS Technical Illustratiolls Suitable Framing Scale ting Scanning Services 3 Views D-TECH SYSTEMS 325 Shawnee Trail Catalog $ioa Carterville IL 62918 6189852383 PLANE VIDEO GIVES YOU LIBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT IULBflflME 2-2 HOUR VIDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRATr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSHRODS ALIGNMENT BALANCING AND MUCH MORE $3495 shIpping 1600 foreign order AEROBATICS & GROUND SCHOOL 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE 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9 IT Should interested willing cut out wing ribs bend wire Chuck Gill Airplane Works 2184 Gilbride Road Martinsville NJ 08836 Tel [908] 356-8557 has kits available priced $225 Build both restart WW Stress test recurrent nightmare associated designing model airplane kit manufacturer possibility structural failures either poor workmanship overpowering design As consequence tend overstructure just case leaves wondering just much excess power design could actually handle John Walkers Big Bingo photo powered SuperTigre 4500 John modified vertical fin turtledeck formers made no changes rest fuselage wings two-part wing aluminum pipe/phenolic tube joiner retained frightened bit admittedly 20-pound model will climb 890 angle right out sight has spectacular pulling power through inside outside maneuvers just plain awesome After 60 flights no sign surface flutter structural cracking has observed So really still dont know what too much power Big Bingo might orcraftlSimpson Continued page 67 cabin upright square Join tail posts using triangle align above plan hold joint perfectly vertical builder misses fuselage will twisted tail will tilted respect wing satisfied well add remaining crosspieces diagonals shown plan Notice bottom longerons have gentle curve top longeron has definite break aft door upright may necessary crack joint reglue get right NOW its time select another option mounting engine four-stroke longshaft engine used builder may wish mount radial mount directly firewall case firewall cut shape glued front framework Add -in sheet balsa sides bottom shown plan Mount engine install fuel tank top third tank above needle valve secure tank prevent foaming fuel engine running other hand two-stroke engines relatively short use box fits square cutout firewall extends way back instrument panel fuel tank will mounted inside box has aft end open access tank front 72 Model Aviation scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 3387 N EIlibrvYraIl West Palm Beach FL 83409 407-688-43669 flUDDY SUPER o-I-ufl box -in plywood radial engine mount bolted length box cut properly position engines propeller drive washer about /s ahead cowl best build box fit firewall before mounting firewall adding -in sheeting outlined previous paragraph After engine tank installed fuel tubes sorted out instrument panel -in sheet balsa planking between firewall can installed builder has elected buy fiberglass cowl may now fitted plane either flush firewall overlapped preferred builder elects make cowl use 3/s-in -in balsa rough bottom sides fit between firewall nose bowl Since no compound curve top cowling -in balsa sheet may formed wetting side curve across top may made removable desired Carve sand bottom sides match either plan specific fullscale aircraft being modeled nose bowl sheet balsa must carved sanded match rest cowl Balsa cowls may also bolted firewall cowlmounting blocks same manner fiberglass ones key elements cabin roof/wing center section spar carry-through boxes wing root ribs made /i6-in plywood laminated 346-in sheet balsa Make two root ribs exactly alike front spar carry-through box epoxied top doubled spruce fuselage uprights root ribs rear carrythrough fitted epoxied fuselage top side longerons top cabin crosspieces Carve triangular-shaped balsa block fill gap between root rib aft rear spar carry-through top fuselage longeron Add top fuselage stringers after -in square balsa crosspieces installed Bend landing gear 5/32-indiameter music wire using front side views guides Remember brace wire goes axle middle aft main wire Clean wires will join sand shiny bind soft copper wire use plenty heat solder isnt done order given youll sorry final steps fit struts wing assemble wing struts place fuselage whole works upside down workbench Put 1-inch-thick block under cabin roof wing tips touching workbench will give desired 10 dihedral plane upright wing taped place fit main struts fuselage near aft main gear strut point shown install hold-down bolts through landing gear plate large blind nuts VALVE 5MQK MA8T SMQKERSYSTEM $49 plas $4 shipping & handling ISA Smoker Preheaters Are Twice As Effective As Head Coils Complete Smoker System Ia22Cdc 9 5 & 74 120 4-Cyde Fneines Includes preheater smoker pump smoker valve tubing pressure taps check valve 4-C complete instructions Ask About New CALL b912367O567 Aluminum Visa Mastercard & [AJi4P J AirplaneAmerican EyireSS AMERICANMODEL PRODUCTS Coming SoonAccepteRT3 BOX April 1993 73 #1 IN SUPERIOR QUALITY PRODUCTS Set plane upright block up tail check main wing panel proper incidence least three places panel no warps present drill holes four bolts two through root rib spar stub carry-through box builders choice secure wing panels fuselage Now install radio control linkages sure work smoothly proper direction Add structural scale details desired such gear-axle-to-wheel-pant attachment wing strut cuffs before covering fabric covering used better wait until after plane covered before adding such details plane covered using builders favorite method prototype covered Sig Koverall doped covered Coverite doped Two MonoKoted have seen some restored full-scale Taylorcrafts shiny looked MonoKoted Before flying plane take time check warps Correct found control checks smoothness proper direction Use rate switches exponential control avoid overcontrol Check balance point sure shown plans slightly ahead Finally run engine adjust idle properly Only has done will plane ready fly model flies like Old-Timer free flight except also loops rolls spins flies inverted beautifully readers think special just hide watch get latest clipped-wing version done Theyre really hot * About Cover Continued paqe 53 Robert Benjamin describes himself traditional representational artist has made commitment portrayal aviation subject matter artist member American Society Aviation Artists Examples Benjamins work display San Diego Aerospace Museum Pearson Air Museum Vancouver Washington US Air Force Art Pro gram collection also artist behind sizable collection art work displayed AMA Museum Muncie Indiana 74 Model Aviation inued page 79