NO OCR TEXT THE CREATION nice-flying fourengine rubber-powered model has intrigued several years Once tried unusual unique problems en countered along way required some pretty unconventional solutions 1980 built 60-in-span version Tupulov Tu 20 Bear enjoyed minimal success before being smashed pieces 1982 Flying Aces Nationals lessons learned Bear applied Lancaster vastly better results Lanc has completed numerous successful flights best-flight time 45 seconds Its potential still being developed believe flights minute attainable model unique Franldy once understand what involved may want build hope though design ideas incorporated will use wish build lighter betterperforming rubber-powered Scale models model Lancaster have built has no conventional ribs formers Instead built almost entirely strip wood using what known cracked-rib technique flying surfaces what have coined strip-former technique fuselage nacelles full-scale Lancasters very suc cessful famous strength load-carrying capacity key strength combination strong full-depth main spar wing together sturdy fuselage backbone mod el incorporates similar philosophy built around strong hollow triangular spar wing mated torsion box runs length fuselage wings leading edge molded over waxed form ribs light strong -sq balsa strip wing tips laminated strip balsa formed around waxed patterns cut size inside curve original multi-engined Bear des troyed low-altitude roll vividly An attack above behind would unwise Hobson keen-eyed dorasi gunner twin 303 machine guns ready waiting fuii-size Admirai Prune lost during night raid p43 demonstrated leverage force wing tip impact wing root fuselage avoid sort massive destruction Lancaster wing tips designed detach point just outboard outer nacelles using tongue-and-box arrange ment Sheet balsa used areas requiring additional strength such spars major attachment points Weight reduction has long known key ingredients successful 90 Model Aviation Engiands greatest heavy bomber WW II model study purposefui grace beauty Model has same structurai support scheme used fulisize piane front office Admiral Prune piiot filght engineer respec tive stations Au piiot crew figures carved very-finegraln Styrofoam block using singie-edge razor blade De taiis carefuily scuipted foam head point straight pin combination light structure heavy detailing gives outer port nacelle both characterand functional beauty Test flights three-bladed props agenda Just clothes make man details make Scale model Lancs port navigation formation lights nestle vacu-formed housings very good touch realism rubber-powered designs thats unconventional solutions came play such important part Lancaster model originally got idea construction Lancasters fuselage nacelles ship modeling maga zine article making wooden boats assembling over waxed male molds carved undersized whatever thickness finished shell shells Lancasters fuselage nacelles -in thick consists 1/16-sq strip former made laminating either two pieces 1/32 x /16 strip balsa white glue laminating four pieces /64 x 146 strip balsa over awaxedbalsa mold formers /i-sq stringers added complete shell fuselage built two halves separated its mold joined together center nacelle built same manner Lancaster required carving 22 molds 58 vacuu-formed plastic parts seven molds laminated wooden parts carving mold seems forbidding chore need look Lancaster plan shows drawn differently model airplane plan may have seen before scale lines fuselage nacelles represented dotted lines cru cial shape molds represented solid lines approach carving fuse lage nacelle molds though making traditional solid model would carve blocks shape using series cross-sectional female patterns cut lightweight cardboard plastic check shape piece being carved designated points final shape course would reached cross-sectional patterns fit snugly respective stations Such technique could used carve molds model would tedious unnecessarily time-consuming Instead suggest carve molds using what call sliced bread system Begin carving mold one-half fuselage one-half nacelle tracing solid lines part carved onto piece hard flat -in balsa sheeting Cut out traced shape using band saw similar tool will ensure 9O cut Draw lines -in-sheet profile stations representing ver tical formers shown plans side view piece selected Set sheet profile aside now will part mold itself will used base upon will glue balsa blocks final mold Trace cross-sectional formers piece being made plan onto tracing paper Transfer tracings brightly colored heavy-stock paper purpose will explained later prefer blue brightly colored paper will next step carving mold select piece straight-grained balsa block least wide side view piece being carved thick one-half top view piece being June 1987 91 Corp MacGregor redheaded Scott handlebar mustache four 3038 cheer fully waves awaits next mission Massive yet simple models main gear plugs forstaticdlspiayand removed fortlight see model lumber up ROG would stunning sight worth lower flight times Black Japanese tissue coat Sig LiteCoat dope covers lower surfaces full-size Lancasters tail wheel did retract models remains shown forfiying Launch four-engined Lancaster unforgettable Free Flight Rubber Scale experi ence Fiight times have yet top 1 mm isa boundary within grasp modei carved large blocks available may assemble smaller blocks cyanoacrylate CyA glue making sure grain piece being sembled runs same direction facilitate carving Draw side top profiles onto balsa block again referring solid lines shown plan Saw side top profiles shape point have piece balsa flat side represents center piece being built curved outer surfaces top side views mold question Draw series lines block stations formers located Next placing rough mold its flat side pass through thin band saw carefully saw block through former stations result will series segments slices what like call loaf sliced bread Take -in-sheet profile cut out earlier glue first section slice balsa loaf recommend CyA glue bonds slice almost instantly flat profile sheet heavy colored paper cut half profiles former cross sections go half particular balsa mold youre working paper patterns placed between slices balsa multi-layer sandwich style Attach first paper pat tern slice already balsa sheet rubber cement Attach next slice balsa paper remembering also CyA base Make sure everything pressed together firmly Continue alternat ing balsa slices paper patterns until balsa loaf reassembled Carve moldto shape using anX-Acto whittling blade similar carving tool brightly colored paper cross sections will begin reappear blocks carved correct shapes can vir tually complete mold carving knife alone About usually needed light sanding medium sandpaper reach desired final smooth oontour Once half-mold completed mark former stations onto again using Pilotbrand razor pen Blank edges in-sheet base using Scotch-brand book binding tape similar high-tack tape doing sure edge tape covers -in edge base let tape get onto mold itself will interfere removing finished product mold next ooated hot wax acts release agent Melt some paraffin such used home canning candle making double boiler Avoid heating wax directly high heat may cause fire Apply molten wax mold foam paintbrush quick coat should brushed directly onto raw wood Carelessness repeated coat ings will distort shape mold wax cools take whittling blade similar tool working per pendicular mold surface draw over wax smooth remove unwanted lumps distortions wax coating should thin possible avoid removing entirely Having smoothed wax carefully re move tape edges -insheet base thus exposing raw balsa edges important no wax allowed edges base since will interfere gluing strip formers bases edge formers fuselage nacelles /i6in sq made either laminating two strips z straight-grained balsa using four strips A4 balsa Before assembly soak strips am monia water 15 20 minutes Typically strip former begins taching end balsa strip edge base using CyA strip drawn around mold station former being created other end strip attached opposite side base also CyA Any excess strip protruding beyond base removed second strip tacked first beginning base first strip slightly thinned coat Titebond wood glue applied surfaces between Continued page 96 92 Model Aviation Fuiiy wound fiagged retaining pins puii bar piace Lanc ready another mission Pins inserted individually motor connected puli bar two balsa strips preference coat inside second strip distance half length former created coat outside surface first strip edge base draw second strip down tight over first hold place CyAing other side base process repeated until formers place piece being created has concave area former strips should held place pinning against mold necessary considered making molds material other balsa ruled out since few materials hold onto straight pen well balsa Once strip formers place piece being built fill spaces between either laminated strips pieces balsa Next take long strips 6-sq balsa glue overtop fillers results creation x -in longeron parallel im mediately above edges -in balsa base Using CyA glue individual stringers over strip formers stations shown plan As backup measure added strength put very light coat Titebond glue joints Finally add lightweight 6 sheeting areas needing such fuselage nose Sand sheeting shape entire assembly still mold everything right cut molded piece mold Use sharp hobby knife cut through area -in base laminated strips join course inside edge laminated 1/56 x -in spine present juncture Once strip formers have cut piece should separate wax mold difficulty prob lems however carefully slip piece surgical silk other high-strength thread between wax mold piece WHITE FORMATION LIIACTSLISPROIl BASIC 11111 CROSS SECTION ALL RIBS ARE 1/16 SQ/11J TEIlBUSATOR SPAR LOCATINE- 51111 EAROI ROIL OUTLIBE 1L 565TH FOREST OREER E1EVAT 111114 TAB FlF SFSib __ ps P-2A F-S WING -REPLACE NOSE BLISTER Slim PINE P110 CARVESii5--ID SHAPE FOR FLYING1511N GEAR LOCATICt1X POWER FOUR STRAROS NE SPAISES 5/A FLAT ROARER TNG 40 LOOPS PER INNER AND INE 06 lOOPS1/lA BIlGES STAS PER OUTER ROCELLETIIRROIAIOR SPARH FlAIR STRB~ EC LOC FL 4511 lull TINE I' LISP EARl FONESI 01121 UPTON1/LA URRET LEASING GENE SPARIN 1/A SO 121101W LOGEt4OW ClITLINE 1/16 EQ6AWA2~AMGE1lL FORGET SPEBIILINE- LIEAR-EPRROTION0 1/RAh/I6 TRAILING ROSE LIGHT EARTHSCALE OUTLINET SlOW LOCATICI4 '11UPLO OJYLINE -10 FhSIP 12 WING LOU FSOFlIPIS CALL LTIERS LIGHT TINEI PB P11P1-12 ENNIOSU&Io PACTRA SCALE RIRSEL PLATE BRICK RAR 514-BFABRIC TELLL11d SN PRIMER WHITE 016S OSTER TURBULATGH SPAR NAVY BINE 554-S ASS S/A SHEET BASE TO REAR NE 121151110 GENE 110101 WI 110101 101L0 C2Z2IZiZiZZiIIIIIIIIZEjZI AND LPARIAPJE ie P& SOAKING 1/35 SHEET WRAPPED OUR FUR ANO GIllS WITh TIIINI4BD WUTE1/16 SHEET ALlIS 2 LPTEIW IRISR IUSIAIOR SPAP---------------- thread should drawn down length piece pressure against mold until completely separated careful pressure exerted string toward mold avoid breaking piece Join two pieces assembly centers using Titebond glue Slip paper clips over spines hold halves together glue drying work may sound tedious once master technique will find fun important produces extremely lightweight yet strong fuselage nacelle Wing Aside hollow triangular main spar molded leading edge wing structure conventional crack rib design trust requires little ex planation tail surfaces similarly simple wing constructed two sections joined fuselage Lightweight sheet balsa should used sparingly gussets structural rein forcement joints involved Lan caster built entirely extremely 96 Model Aviation LI LL FISH Normans 1984 PAC Nats Lancaster flight team Chris wife Linda expecting Patrick Dennis Helpers spanned three generations aUthors father drew plans Full-Size Plans Available. See Page 188 met vital criterion me distance between peg hook of respective nacelles motors Flying prototype Lancaster flown lubricated braided back windon two loops FAI rubber cut ing slightly shorten stiffen length three one-half times Continued page 181 June1987 97 CENTFOL TORQUE ARISE NICHE TAMEST _____-AILERONID4 ALL PROPS ROD DCVITNMOSE CARON PROEL LINE FOSS? ~ 1/BoI/4 TRAILING EDGEPROPS ONLY ~EDRUSTj1jOEEAIWUSEPILOT OtTER FINE POIRRE PEIMIANEAP FLYING PROPS AND SC-UP PRO SCALE OQULINEI- I3 5-3 14 -30-0-C 0-DO-iII2 114IS__ IA371 SCALELINEBALSA IRONS NACELLE NOWSHADED AREA NEIRWED ______________SETh ________________________MODEL ________________________TO ________________________PLY SMOLESETLINE RARER AREA- R JOIREINO TO WINS ON JOININGWING-- NOPSSPINNEOSM 0 NEEC RAM Il12104IATA17BDR/ LACEPMTMAONI SMITE ISDA 10 D-9SIDE VS NNE:B SIA AUJN -Y PAT BLOCS UDDER EPAN SliDE ABBE PRO 7iW IONS4RNELUyI --ALA EUTLIND-- STAB\ tL -iIZMIlL-PACTRA NAVY IRTALLIC GREY SB- BLACK IASTATIC DISPLAY NIL K\s~TA TIA-SERDIO MAIN SlIESt ENGINEERSALDEEN CRITLIONI LOOIINATER FLIGRO D SHEET STAN SUPPOSE PANEL -IAP-Si flFRONTUS PANELPRM4 D/35xIIA SITUP ADORNS JjJJflIAFxj~4WAXES 1/S ROES BALSA PATEERN --1MOWS POD VOCULNO FORMED PASTS DSIDEPFNEREE TTGP vI --~ NODESCRIPTIDNppj p-LISA PLY NOSE IL _____1 . NODE BLISTER1/3D WIRE INAPT -10F-1420~-- . NESS VENTILATOR PAIRINGSI 3 TiERSSIKA~ SYLYRI SEARING SERIAL SEAMERI-RIIDSER LOCAT4 . TOANS RINSE PAIRING.. 3/B SALSA NOSE F TIONSS CACAPIT CANOPY1 WE&1LROLDORI AS 5110511 CANOPY RISE BLISTER IRS ________________________________________________O CANER SIDE BLISTER LI A SQ ERR ACANOPY TOP BLISTER 1 BLACE-SEAR TIDE---0ASTONE1/32 SIREET ISDORSAL TONBYC PAIRINGS ISDORSAL TERRE1TSROISER NON TOP 0-lENT T12TAIL TERREIS/IA OBESE TAITIEREP BASE --S{13CARTRIDGE CEOTO TAIL0TORSION RON SIDE NOtAN 5110511fY\14 IC-LAOXYGER MASK1/3D EBOXI ERIIRER SD10-DAPLANS DOWER lANDIS -BTORODOB BOX RATER OCALE SETLINELUF~ ABID COAT 010 LITE-CEATAVNO P14P1V'"1F117CASROBEIOR INTANEBTWO D/SDx1/IA BAWD MOW SETLINE~- FINMAIN SEAR DOORS DROBLE4STRIRS LN4INAIRD ARCHES FOXED TAIL SEIEEL -I-4II 019NR1IGDYION LIERT SlING2ROARS FIISELAGE 00W __--9 Tss-s 14 T OSPOBRRTIDN LIGhT 1411102JAPANESE TISSUE - 4 D 4 --DlIRRIERWIMO BLISTERA TA WIND MAIN_SPAR C_NRSDIREDIZ______________________________________ 22 RREL NUB4 OSSELAGE CROSS SECTION AT FB 1-S1-PL. ]i/a DCALE RUBBNR POWDERS VNR SJ[ Lii ____________________________I/1A OUTER MAINSPAS D REED-J J SOPS TO PAINE DOUD NCASTES _____________ IIRDENEIDES BLACKJAPANESE TISSUEDESIGNED SY DENNIS 0 NO REDS RORIZD/1A INGEE MAIN SPARROODE7 TEPSIDNIROSTRA SCALE MODELFLATS ,,DRAWN B DENNIS 0 NORMAN _______2ENT21-S21-PLIRBIT EARTN SE-lB LYDIEC CON NY MEARL NORMAN J FOREST ERFOR 511-5 LIOST COAT EROTEIJORORT PANELJANUARY 33 lORDNIlNSRNIINNSI light contest-grade balsa Micro-X Products PO Box 1063 Lorain OH 44055 216/282-8354 Great care must used select strongest lightest balsa available Micro-X has always two pictures lay restthe old adagethat beauty skin deep ltdefinitely goes wayto bones Using crackedrib method wing construction male molds detailed text form naceiles fuselage just basic require ments making four-engined rubber model flyable shots detail magnitude thisefforteven finished product RIGHT! LATHATS MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LOCAL HOBBY SHOP CaU Parts PeoPAL z4 c P 0 Box 26247 New Orleans LA 70186 42-5967 happening around town Spreading word through vehicles visibly increases number spectators come watch contest event makes few people aware club hobby Special event flyers traditional con test information sheet distributed club sponsoring contest written AMA rule book language benefit contestants also produce sep arate announcement written laymans terms invite spectators come watch contest participate seminar include name phone number club member contact additional formation announcements placed bulletin boards high-traffic areas such shopping malls public li braries hobby shop windows etc Display window exhibits obtained permission put Control Line model exhibit information placards local shopping malls unused display case display place two weeks promote upcoming contest exhibit attracted much atten tionit display far longer could have sustained manned mall show mall merchants demanded allowed use previously unwanted display case Doing window exhibit gave us exposure such numbers people eager anotherbut still waiting display case become available again Entry-level Control Line events stant modeler masters first Control Line trainer joins ranks sport flier point participating contest other club members seems far beyond grasp bridge gap Norfolk Aeromodelers include entrylevel event contest effective event must anyone can fly using simple off-theshelf items popular entry-level event Profile Sport Scale rules appeared April 1984 Model Aviation page 73 Anyone can fly profile replica full-scale aircraft 10 laps can compete profile Control Line kits pat terned after full-scale prototype Some like Sig Shoestring Sterlings ginner Series make good Control Line trainers permitting someones first model also entered first contest Fea turing entry-level event contest gives new flier something look ward maintaining interest en thusiasm bridges gap between sport contest flying builds confidence summarize efforts produced results aimed Club membership continues grow number active fliers has doubled father-and-son fly ing team first flew club trainer two years ago now among ag gressive Combat fliers Some people built first model recreation center now regulars join us Sunday local hobby shop has Control Line merchandise store owner quick point out new Control Line kits just went onto shelf doesnt mean promotion efforts have stopped realize thing put action got us now want keep way Promoting sport evolutionary process always refinement needs addedlike car pool get Junior modelers club field thats problemno challengethe Norfolk Aeromodelers will gladly deal responding advertisers mention read about ModelAviation SAFE FLYING IS NO ACCIDENT losing energy represented considerable length Seven-inch SleekStreak propellers cut down di ameter 6 prototype Only two-bladed props have used thus far fly model flying three-bladed props will add realism fully-wound motors temporarily held place placing 810-in length 1/32 piano wire vertically through nacelle pass through wire hook prop assembly hook bent lower end pin pins themselves can attached through hookeyes imbedded appropriate spacings piece 1 x 2-in pine strip motors wound pine strip pulled down vertically plane simultaneously removing pins prop assemblies action per mits motors unwind model launchedhorizontally firmlyinto prevailing breeze its best model aviation captures beauty excitement manmade flight fragile replica spark historys great aircraft rekindled Sugar Pu p/H ux Continued page 105 Cutting board aid cutting foam blocks special angle cuts will need cutting board board made 3-ft-sq sheet -in plywood sheet must flat true Using triangle ensure accuracy attach 12-in polished hardwood strips end 900 board 3 edge Use 1-in blocks under board gusset strips Also attach two wood strips 300 cutting tip angles Draw line June 1987 181 &U II £HEAP!CH EAP Lancaster/Norman Continued page 97
Edition: Model Aviation - 1987/06
Page Numbers: 89, 90, 91, 92, 96, 97, 181
NO OCR TEXT THE CREATION nice-flying fourengine rubber-powered model has intrigued several years Once tried unusual unique problems en countered along way required some pretty unconventional solutions 1980 built 60-in-span version Tupulov Tu 20 Bear enjoyed minimal success before being smashed pieces 1982 Flying Aces Nationals lessons learned Bear applied Lancaster vastly better results Lanc has completed numerous successful flights best-flight time 45 seconds Its potential still being developed believe flights minute attainable model unique Franldy once understand what involved may want build hope though design ideas incorporated will use wish build lighter betterperforming rubber-powered Scale models model Lancaster have built has no conventional ribs formers Instead built almost entirely strip wood using what known cracked-rib technique flying surfaces what have coined strip-former technique fuselage nacelles full-scale Lancasters very suc cessful famous strength load-carrying capacity key strength combination strong full-depth main spar wing together sturdy fuselage backbone mod el incorporates similar philosophy built around strong hollow triangular spar wing mated torsion box runs length fuselage wings leading edge molded over waxed form ribs light strong -sq balsa strip wing tips laminated strip balsa formed around waxed patterns cut size inside curve original multi-engined Bear des troyed low-altitude roll vividly An attack above behind would unwise Hobson keen-eyed dorasi gunner twin 303 machine guns ready waiting fuii-size Admirai Prune lost during night raid p43 demonstrated leverage force wing tip impact wing root fuselage avoid sort massive destruction Lancaster wing tips designed detach point just outboard outer nacelles using tongue-and-box arrange ment Sheet balsa used areas requiring additional strength such spars major attachment points Weight reduction has long known key ingredients successful 90 Model Aviation Engiands greatest heavy bomber WW II model study purposefui grace beauty Model has same structurai support scheme used fulisize piane front office Admiral Prune piiot filght engineer respec tive stations Au piiot crew figures carved very-finegraln Styrofoam block using singie-edge razor blade De taiis carefuily scuipted foam head point straight pin combination light structure heavy detailing gives outer port nacelle both characterand functional beauty Test flights three-bladed props agenda Just clothes make man details make Scale model Lancs port navigation formation lights nestle vacu-formed housings very good touch realism rubber-powered designs thats unconventional solutions came play such important part Lancaster model originally got idea construction Lancasters fuselage nacelles ship modeling maga zine article making wooden boats assembling over waxed male molds carved undersized whatever thickness finished shell shells Lancasters fuselage nacelles -in thick consists 1/16-sq strip former made laminating either two pieces 1/32 x /16 strip balsa white glue laminating four pieces /64 x 146 strip balsa over awaxedbalsa mold formers /i-sq stringers added complete shell fuselage built two halves separated its mold joined together center nacelle built same manner Lancaster required carving 22 molds 58 vacuu-formed plastic parts seven molds laminated wooden parts carving mold seems forbidding chore need look Lancaster plan shows drawn differently model airplane plan may have seen before scale lines fuselage nacelles represented dotted lines cru cial shape molds represented solid lines approach carving fuse lage nacelle molds though making traditional solid model would carve blocks shape using series cross-sectional female patterns cut lightweight cardboard plastic check shape piece being carved designated points final shape course would reached cross-sectional patterns fit snugly respective stations Such technique could used carve molds model would tedious unnecessarily time-consuming Instead suggest carve molds using what call sliced bread system Begin carving mold one-half fuselage one-half nacelle tracing solid lines part carved onto piece hard flat -in balsa sheeting Cut out traced shape using band saw similar tool will ensure 9O cut Draw lines -in-sheet profile stations representing ver tical formers shown plans side view piece selected Set sheet profile aside now will part mold itself will used base upon will glue balsa blocks final mold Trace cross-sectional formers piece being made plan onto tracing paper Transfer tracings brightly colored heavy-stock paper purpose will explained later prefer blue brightly colored paper will next step carving mold select piece straight-grained balsa block least wide side view piece being carved thick one-half top view piece being June 1987 91 Corp MacGregor redheaded Scott handlebar mustache four 3038 cheer fully waves awaits next mission Massive yet simple models main gear plugs forstaticdlspiayand removed fortlight see model lumber up ROG would stunning sight worth lower flight times Black Japanese tissue coat Sig LiteCoat dope covers lower surfaces full-size Lancasters tail wheel did retract models remains shown forfiying Launch four-engined Lancaster unforgettable Free Flight Rubber Scale experi ence Fiight times have yet top 1 mm isa boundary within grasp modei carved large blocks available may assemble smaller blocks cyanoacrylate CyA glue making sure grain piece being sembled runs same direction facilitate carving Draw side top profiles onto balsa block again referring solid lines shown plan Saw side top profiles shape point have piece balsa flat side represents center piece being built curved outer surfaces top side views mold question Draw series lines block stations formers located Next placing rough mold its flat side pass through thin band saw carefully saw block through former stations result will series segments slices what like call loaf sliced bread Take -in-sheet profile cut out earlier glue first section slice balsa loaf recommend CyA glue bonds slice almost instantly flat profile sheet heavy colored paper cut half profiles former cross sections go half particular balsa mold youre working paper patterns placed between slices balsa multi-layer sandwich style Attach first paper pat tern slice already balsa sheet rubber cement Attach next slice balsa paper remembering also CyA base Make sure everything pressed together firmly Continue alternat ing balsa slices paper patterns until balsa loaf reassembled Carve moldto shape using anX-Acto whittling blade similar carving tool brightly colored paper cross sections will begin reappear blocks carved correct shapes can vir tually complete mold carving knife alone About usually needed light sanding medium sandpaper reach desired final smooth oontour Once half-mold completed mark former stations onto again using Pilotbrand razor pen Blank edges in-sheet base using Scotch-brand book binding tape similar high-tack tape doing sure edge tape covers -in edge base let tape get onto mold itself will interfere removing finished product mold next ooated hot wax acts release agent Melt some paraffin such used home canning candle making double boiler Avoid heating wax directly high heat may cause fire Apply molten wax mold foam paintbrush quick coat should brushed directly onto raw wood Carelessness repeated coat ings will distort shape mold wax cools take whittling blade similar tool working per pendicular mold surface draw over wax smooth remove unwanted lumps distortions wax coating should thin possible avoid removing entirely Having smoothed wax carefully re move tape edges -insheet base thus exposing raw balsa edges important no wax allowed edges base since will interfere gluing strip formers bases edge formers fuselage nacelles /i6in sq made either laminating two strips z straight-grained balsa using four strips A4 balsa Before assembly soak strips am monia water 15 20 minutes Typically strip former begins taching end balsa strip edge base using CyA strip drawn around mold station former being created other end strip attached opposite side base also CyA Any excess strip protruding beyond base removed second strip tacked first beginning base first strip slightly thinned coat Titebond wood glue applied surfaces between Continued page 96 92 Model Aviation Fuiiy wound fiagged retaining pins puii bar piace Lanc ready another mission Pins inserted individually motor connected puli bar two balsa strips preference coat inside second strip distance half length former created coat outside surface first strip edge base draw second strip down tight over first hold place CyAing other side base process repeated until formers place piece being created has concave area former strips should held place pinning against mold necessary considered making molds material other balsa ruled out since few materials hold onto straight pen well balsa Once strip formers place piece being built fill spaces between either laminated strips pieces balsa Next take long strips 6-sq balsa glue overtop fillers results creation x -in longeron parallel im mediately above edges -in balsa base Using CyA glue individual stringers over strip formers stations shown plan As backup measure added strength put very light coat Titebond glue joints Finally add lightweight 6 sheeting areas needing such fuselage nose Sand sheeting shape entire assembly still mold everything right cut molded piece mold Use sharp hobby knife cut through area -in base laminated strips join course inside edge laminated 1/56 x -in spine present juncture Once strip formers have cut piece should separate wax mold difficulty prob lems however carefully slip piece surgical silk other high-strength thread between wax mold piece WHITE FORMATION LIIACTSLISPROIl BASIC 11111 CROSS SECTION ALL RIBS ARE 1/16 SQ/11J TEIlBUSATOR SPAR LOCATINE- 51111 EAROI ROIL OUTLIBE 1L 565TH FOREST OREER E1EVAT 111114 TAB FlF SFSib __ ps P-2A F-S WING -REPLACE NOSE BLISTER Slim PINE P110 CARVESii5--ID SHAPE FOR FLYING1511N GEAR LOCATICt1X POWER FOUR STRAROS NE SPAISES 5/A FLAT ROARER TNG 40 LOOPS PER INNER AND INE 06 lOOPS1/lA BIlGES STAS PER OUTER ROCELLETIIRROIAIOR SPARH FlAIR STRB~ EC LOC FL 4511 lull TINE I' LISP EARl FONESI 01121 UPTON1/LA URRET LEASING GENE SPARIN 1/A SO 121101W LOGEt4OW ClITLINE 1/16 EQ6AWA2~AMGE1lL FORGET SPEBIILINE- LIEAR-EPRROTION0 1/RAh/I6 TRAILING ROSE LIGHT EARTHSCALE OUTLINET SlOW LOCATICI4 '11UPLO OJYLINE -10 FhSIP 12 WING LOU FSOFlIPIS CALL LTIERS LIGHT TINEI PB P11P1-12 ENNIOSU&Io PACTRA SCALE RIRSEL PLATE BRICK RAR 514-BFABRIC TELLL11d SN PRIMER WHITE 016S OSTER TURBULATGH SPAR NAVY BINE 554-S ASS S/A SHEET BASE TO REAR NE 121151110 GENE 110101 WI 110101 101L0 C2Z2IZiZiZZiIIIIIIIIZEjZI AND LPARIAPJE ie P& SOAKING 1/35 SHEET WRAPPED OUR FUR ANO GIllS WITh TIIINI4BD WUTE1/16 SHEET ALlIS 2 LPTEIW IRISR IUSIAIOR SPAP---------------- thread should drawn down length piece pressure against mold until completely separated careful pressure exerted string toward mold avoid breaking piece Join two pieces assembly centers using Titebond glue Slip paper clips over spines hold halves together glue drying work may sound tedious once master technique will find fun important produces extremely lightweight yet strong fuselage nacelle Wing Aside hollow triangular main spar molded leading edge wing structure conventional crack rib design trust requires little ex planation tail surfaces similarly simple wing constructed two sections joined fuselage Lightweight sheet balsa should used sparingly gussets structural rein forcement joints involved Lan caster built entirely extremely 96 Model Aviation LI LL FISH Normans 1984 PAC Nats Lancaster flight team Chris wife Linda expecting Patrick Dennis Helpers spanned three generations aUthors father drew plans Full-Size Plans Available. See Page 188 met vital criterion me distance between peg hook of respective nacelles motors Flying prototype Lancaster flown lubricated braided back windon two loops FAI rubber cut ing slightly shorten stiffen length three one-half times Continued page 181 June1987 97 CENTFOL TORQUE ARISE NICHE TAMEST _____-AILERONID4 ALL PROPS ROD DCVITNMOSE CARON PROEL LINE FOSS? ~ 1/BoI/4 TRAILING EDGEPROPS ONLY ~EDRUSTj1jOEEAIWUSEPILOT OtTER FINE POIRRE PEIMIANEAP FLYING PROPS AND SC-UP PRO SCALE OQULINEI- I3 5-3 14 -30-0-C 0-DO-iII2 114IS__ IA371 SCALELINEBALSA IRONS NACELLE NOWSHADED AREA NEIRWED ______________SETh ________________________MODEL ________________________TO ________________________PLY SMOLESETLINE RARER AREA- R JOIREINO TO WINS ON JOININGWING-- NOPSSPINNEOSM 0 NEEC RAM Il12104IATA17BDR/ LACEPMTMAONI SMITE ISDA 10 D-9SIDE VS NNE:B SIA AUJN -Y PAT BLOCS UDDER EPAN SliDE ABBE PRO 7iW IONS4RNELUyI --ALA EUTLIND-- STAB\ tL -iIZMIlL-PACTRA NAVY IRTALLIC GREY SB- BLACK IASTATIC DISPLAY NIL K\s~TA TIA-SERDIO MAIN SlIESt ENGINEERSALDEEN CRITLIONI LOOIINATER FLIGRO D SHEET STAN SUPPOSE PANEL -IAP-Si flFRONTUS PANELPRM4 D/35xIIA SITUP ADORNS JjJJflIAFxj~4WAXES 1/S ROES BALSA PATEERN --1MOWS POD VOCULNO FORMED PASTS DSIDEPFNEREE TTGP vI --~ NODESCRIPTIDNppj p-LISA PLY NOSE IL _____1 . NODE BLISTER1/3D WIRE INAPT -10F-1420~-- . NESS VENTILATOR PAIRINGSI 3 TiERSSIKA~ SYLYRI SEARING SERIAL SEAMERI-RIIDSER LOCAT4 . TOANS RINSE PAIRING.. 3/B SALSA NOSE F TIONSS CACAPIT CANOPY1 WE&1LROLDORI AS 5110511 CANOPY RISE BLISTER IRS ________________________________________________O CANER SIDE BLISTER LI A SQ ERR ACANOPY TOP BLISTER 1 BLACE-SEAR TIDE---0ASTONE1/32 SIREET ISDORSAL TONBYC PAIRINGS ISDORSAL TERRE1TSROISER NON TOP 0-lENT T12TAIL TERREIS/IA OBESE TAITIEREP BASE --S{13CARTRIDGE CEOTO TAIL0TORSION RON SIDE NOtAN 5110511fY\14 IC-LAOXYGER MASK1/3D EBOXI ERIIRER SD10-DAPLANS DOWER lANDIS -BTORODOB BOX RATER OCALE SETLINELUF~ ABID COAT 010 LITE-CEATAVNO P14P1V'"1F117CASROBEIOR INTANEBTWO D/SDx1/IA BAWD MOW SETLINE~- FINMAIN SEAR DOORS DROBLE4STRIRS LN4INAIRD ARCHES FOXED TAIL SEIEEL -I-4II 019NR1IGDYION LIERT SlING2ROARS FIISELAGE 00W __--9 Tss-s 14 T OSPOBRRTIDN LIGhT 1411102JAPANESE TISSUE - 4 D 4 --DlIRRIERWIMO BLISTERA TA WIND MAIN_SPAR C_NRSDIREDIZ______________________________________ 22 RREL NUB4 OSSELAGE CROSS SECTION AT FB 1-S1-PL. ]i/a DCALE RUBBNR POWDERS VNR SJ[ Lii ____________________________I/1A OUTER MAINSPAS D REED-J J SOPS TO PAINE DOUD NCASTES _____________ IIRDENEIDES BLACKJAPANESE TISSUEDESIGNED SY DENNIS 0 NO REDS RORIZD/1A INGEE MAIN SPARROODE7 TEPSIDNIROSTRA SCALE MODELFLATS ,,DRAWN B DENNIS 0 NORMAN _______2ENT21-S21-PLIRBIT EARTN SE-lB LYDIEC CON NY MEARL NORMAN J FOREST ERFOR 511-5 LIOST COAT EROTEIJORORT PANELJANUARY 33 lORDNIlNSRNIINNSI light contest-grade balsa Micro-X Products PO Box 1063 Lorain OH 44055 216/282-8354 Great care must used select strongest lightest balsa available Micro-X has always two pictures lay restthe old adagethat beauty skin deep ltdefinitely goes wayto bones Using crackedrib method wing construction male molds detailed text form naceiles fuselage just basic require ments making four-engined rubber model flyable shots detail magnitude thisefforteven finished product RIGHT! LATHATS MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LOCAL HOBBY SHOP CaU Parts PeoPAL z4 c P 0 Box 26247 New Orleans LA 70186 42-5967 happening around town Spreading word through vehicles visibly increases number spectators come watch contest event makes few people aware club hobby Special event flyers traditional con test information sheet distributed club sponsoring contest written AMA rule book language benefit contestants also produce sep arate announcement written laymans terms invite spectators come watch contest participate seminar include name phone number club member contact additional formation announcements placed bulletin boards high-traffic areas such shopping malls public li braries hobby shop windows etc Display window exhibits obtained permission put Control Line model exhibit information placards local shopping malls unused display case display place two weeks promote upcoming contest exhibit attracted much atten tionit display far longer could have sustained manned mall show mall merchants demanded allowed use previously unwanted display case Doing window exhibit gave us exposure such numbers people eager anotherbut still waiting display case become available again Entry-level Control Line events stant modeler masters first Control Line trainer joins ranks sport flier point participating contest other club members seems far beyond grasp bridge gap Norfolk Aeromodelers include entrylevel event contest effective event must anyone can fly using simple off-theshelf items popular entry-level event Profile Sport Scale rules appeared April 1984 Model Aviation page 73 Anyone can fly profile replica full-scale aircraft 10 laps can compete profile Control Line kits pat terned after full-scale prototype Some like Sig Shoestring Sterlings ginner Series make good Control Line trainers permitting someones first model also entered first contest Fea turing entry-level event contest gives new flier something look ward maintaining interest en thusiasm bridges gap between sport contest flying builds confidence summarize efforts produced results aimed Club membership continues grow number active fliers has doubled father-and-son fly ing team first flew club trainer two years ago now among ag gressive Combat fliers Some people built first model recreation center now regulars join us Sunday local hobby shop has Control Line merchandise store owner quick point out new Control Line kits just went onto shelf doesnt mean promotion efforts have stopped realize thing put action got us now want keep way Promoting sport evolutionary process always refinement needs addedlike car pool get Junior modelers club field thats problemno challengethe Norfolk Aeromodelers will gladly deal responding advertisers mention read about ModelAviation SAFE FLYING IS NO ACCIDENT losing energy represented considerable length Seven-inch SleekStreak propellers cut down di ameter 6 prototype Only two-bladed props have used thus far fly model flying three-bladed props will add realism fully-wound motors temporarily held place placing 810-in length 1/32 piano wire vertically through nacelle pass through wire hook prop assembly hook bent lower end pin pins themselves can attached through hookeyes imbedded appropriate spacings piece 1 x 2-in pine strip motors wound pine strip pulled down vertically plane simultaneously removing pins prop assemblies action per mits motors unwind model launchedhorizontally firmlyinto prevailing breeze its best model aviation captures beauty excitement manmade flight fragile replica spark historys great aircraft rekindled Sugar Pu p/H ux Continued page 105 Cutting board aid cutting foam blocks special angle cuts will need cutting board board made 3-ft-sq sheet -in plywood sheet must flat true Using triangle ensure accuracy attach 12-in polished hardwood strips end 900 board 3 edge Use 1-in blocks under board gusset strips Also attach two wood strips 300 cutting tip angles Draw line June 1987 181 &U II £HEAP!CH EAP Lancaster/Norman Continued page 97
Edition: Model Aviation - 1987/06
Page Numbers: 89, 90, 91, 92, 96, 97, 181
NO OCR TEXT THE CREATION nice-flying fourengine rubber-powered model has intrigued several years Once tried unusual unique problems en countered along way required some pretty unconventional solutions 1980 built 60-in-span version Tupulov Tu 20 Bear enjoyed minimal success before being smashed pieces 1982 Flying Aces Nationals lessons learned Bear applied Lancaster vastly better results Lanc has completed numerous successful flights best-flight time 45 seconds Its potential still being developed believe flights minute attainable model unique Franldy once understand what involved may want build hope though design ideas incorporated will use wish build lighter betterperforming rubber-powered Scale models model Lancaster have built has no conventional ribs formers Instead built almost entirely strip wood using what known cracked-rib technique flying surfaces what have coined strip-former technique fuselage nacelles full-scale Lancasters very suc cessful famous strength load-carrying capacity key strength combination strong full-depth main spar wing together sturdy fuselage backbone mod el incorporates similar philosophy built around strong hollow triangular spar wing mated torsion box runs length fuselage wings leading edge molded over waxed form ribs light strong -sq balsa strip wing tips laminated strip balsa formed around waxed patterns cut size inside curve original multi-engined Bear des troyed low-altitude roll vividly An attack above behind would unwise Hobson keen-eyed dorasi gunner twin 303 machine guns ready waiting fuii-size Admirai Prune lost during night raid p43 demonstrated leverage force wing tip impact wing root fuselage avoid sort massive destruction Lancaster wing tips designed detach point just outboard outer nacelles using tongue-and-box arrange ment Sheet balsa used areas requiring additional strength such spars major attachment points Weight reduction has long known key ingredients successful 90 Model Aviation Engiands greatest heavy bomber WW II model study purposefui grace beauty Model has same structurai support scheme used fulisize piane front office Admiral Prune piiot filght engineer respec tive stations Au piiot crew figures carved very-finegraln Styrofoam block using singie-edge razor blade De taiis carefuily scuipted foam head point straight pin combination light structure heavy detailing gives outer port nacelle both characterand functional beauty Test flights three-bladed props agenda Just clothes make man details make Scale model Lancs port navigation formation lights nestle vacu-formed housings very good touch realism rubber-powered designs thats unconventional solutions came play such important part Lancaster model originally got idea construction Lancasters fuselage nacelles ship modeling maga zine article making wooden boats assembling over waxed male molds carved undersized whatever thickness finished shell shells Lancasters fuselage nacelles -in thick consists 1/16-sq strip former made laminating either two pieces 1/32 x /16 strip balsa white glue laminating four pieces /64 x 146 strip balsa over awaxedbalsa mold formers /i-sq stringers added complete shell fuselage built two halves separated its mold joined together center nacelle built same manner Lancaster required carving 22 molds 58 vacuu-formed plastic parts seven molds laminated wooden parts carving mold seems forbidding chore need look Lancaster plan shows drawn differently model airplane plan may have seen before scale lines fuselage nacelles represented dotted lines cru cial shape molds represented solid lines approach carving fuse lage nacelle molds though making traditional solid model would carve blocks shape using series cross-sectional female patterns cut lightweight cardboard plastic check shape piece being carved designated points final shape course would reached cross-sectional patterns fit snugly respective stations Such technique could used carve molds model would tedious unnecessarily time-consuming Instead suggest carve molds using what call sliced bread system Begin carving mold one-half fuselage one-half nacelle tracing solid lines part carved onto piece hard flat -in balsa sheeting Cut out traced shape using band saw similar tool will ensure 9O cut Draw lines -in-sheet profile stations representing ver tical formers shown plans side view piece selected Set sheet profile aside now will part mold itself will used base upon will glue balsa blocks final mold Trace cross-sectional formers piece being made plan onto tracing paper Transfer tracings brightly colored heavy-stock paper purpose will explained later prefer blue brightly colored paper will next step carving mold select piece straight-grained balsa block least wide side view piece being carved thick one-half top view piece being June 1987 91 Corp MacGregor redheaded Scott handlebar mustache four 3038 cheer fully waves awaits next mission Massive yet simple models main gear plugs forstaticdlspiayand removed fortlight see model lumber up ROG would stunning sight worth lower flight times Black Japanese tissue coat Sig LiteCoat dope covers lower surfaces full-size Lancasters tail wheel did retract models remains shown forfiying Launch four-engined Lancaster unforgettable Free Flight Rubber Scale experi ence Fiight times have yet top 1 mm isa boundary within grasp modei carved large blocks available may assemble smaller blocks cyanoacrylate CyA glue making sure grain piece being sembled runs same direction facilitate carving Draw side top profiles onto balsa block again referring solid lines shown plan Saw side top profiles shape point have piece balsa flat side represents center piece being built curved outer surfaces top side views mold question Draw series lines block stations formers located Next placing rough mold its flat side pass through thin band saw carefully saw block through former stations result will series segments slices what like call loaf sliced bread Take -in-sheet profile cut out earlier glue first section slice balsa loaf recommend CyA glue bonds slice almost instantly flat profile sheet heavy colored paper cut half profiles former cross sections go half particular balsa mold youre working paper patterns placed between slices balsa multi-layer sandwich style Attach first paper pat tern slice already balsa sheet rubber cement Attach next slice balsa paper remembering also CyA base Make sure everything pressed together firmly Continue alternat ing balsa slices paper patterns until balsa loaf reassembled Carve moldto shape using anX-Acto whittling blade similar carving tool brightly colored paper cross sections will begin reappear blocks carved correct shapes can vir tually complete mold carving knife alone About usually needed light sanding medium sandpaper reach desired final smooth oontour Once half-mold completed mark former stations onto again using Pilotbrand razor pen Blank edges in-sheet base using Scotch-brand book binding tape similar high-tack tape doing sure edge tape covers -in edge base let tape get onto mold itself will interfere removing finished product mold next ooated hot wax acts release agent Melt some paraffin such used home canning candle making double boiler Avoid heating wax directly high heat may cause fire Apply molten wax mold foam paintbrush quick coat should brushed directly onto raw wood Carelessness repeated coat ings will distort shape mold wax cools take whittling blade similar tool working per pendicular mold surface draw over wax smooth remove unwanted lumps distortions wax coating should thin possible avoid removing entirely Having smoothed wax carefully re move tape edges -insheet base thus exposing raw balsa edges important no wax allowed edges base since will interfere gluing strip formers bases edge formers fuselage nacelles /i6in sq made either laminating two strips z straight-grained balsa using four strips A4 balsa Before assembly soak strips am monia water 15 20 minutes Typically strip former begins taching end balsa strip edge base using CyA strip drawn around mold station former being created other end strip attached opposite side base also CyA Any excess strip protruding beyond base removed second strip tacked first beginning base first strip slightly thinned coat Titebond wood glue applied surfaces between Continued page 96 92 Model Aviation Fuiiy wound fiagged retaining pins puii bar piace Lanc ready another mission Pins inserted individually motor connected puli bar two balsa strips preference coat inside second strip distance half length former created coat outside surface first strip edge base draw second strip down tight over first hold place CyAing other side base process repeated until formers place piece being created has concave area former strips should held place pinning against mold necessary considered making molds material other balsa ruled out since few materials hold onto straight pen well balsa Once strip formers place piece being built fill spaces between either laminated strips pieces balsa Next take long strips 6-sq balsa glue overtop fillers results creation x -in longeron parallel im mediately above edges -in balsa base Using CyA glue individual stringers over strip formers stations shown plan As backup measure added strength put very light coat Titebond glue joints Finally add lightweight 6 sheeting areas needing such fuselage nose Sand sheeting shape entire assembly still mold everything right cut molded piece mold Use sharp hobby knife cut through area -in base laminated strips join course inside edge laminated 1/56 x -in spine present juncture Once strip formers have cut piece should separate wax mold difficulty prob lems however carefully slip piece surgical silk other high-strength thread between wax mold piece WHITE FORMATION LIIACTSLISPROIl BASIC 11111 CROSS SECTION ALL RIBS ARE 1/16 SQ/11J TEIlBUSATOR SPAR LOCATINE- 51111 EAROI ROIL OUTLIBE 1L 565TH FOREST OREER E1EVAT 111114 TAB FlF SFSib __ ps P-2A F-S WING -REPLACE NOSE BLISTER Slim PINE P110 CARVESii5--ID SHAPE FOR FLYING1511N GEAR LOCATICt1X POWER FOUR STRAROS NE SPAISES 5/A FLAT ROARER TNG 40 LOOPS PER INNER AND INE 06 lOOPS1/lA BIlGES STAS PER OUTER ROCELLETIIRROIAIOR SPARH FlAIR STRB~ EC LOC FL 4511 lull TINE I' LISP EARl FONESI 01121 UPTON1/LA URRET LEASING GENE SPARIN 1/A SO 121101W LOGEt4OW ClITLINE 1/16 EQ6AWA2~AMGE1lL FORGET SPEBIILINE- LIEAR-EPRROTION0 1/RAh/I6 TRAILING ROSE LIGHT EARTHSCALE OUTLINET SlOW LOCATICI4 '11UPLO OJYLINE -10 FhSIP 12 WING LOU FSOFlIPIS CALL LTIERS LIGHT TINEI PB P11P1-12 ENNIOSU&Io PACTRA SCALE RIRSEL PLATE BRICK RAR 514-BFABRIC TELLL11d SN PRIMER WHITE 016S OSTER TURBULATGH SPAR NAVY BINE 554-S ASS S/A SHEET BASE TO REAR NE 121151110 GENE 110101 WI 110101 101L0 C2Z2IZiZiZZiIIIIIIIIZEjZI AND LPARIAPJE ie P& SOAKING 1/35 SHEET WRAPPED OUR FUR ANO GIllS WITh TIIINI4BD WUTE1/16 SHEET ALlIS 2 LPTEIW IRISR IUSIAIOR SPAP---------------- thread should drawn down length piece pressure against mold until completely separated careful pressure exerted string toward mold avoid breaking piece Join two pieces assembly centers using Titebond glue Slip paper clips over spines hold halves together glue drying work may sound tedious once master technique will find fun important produces extremely lightweight yet strong fuselage nacelle Wing Aside hollow triangular main spar molded leading edge wing structure conventional crack rib design trust requires little ex planation tail surfaces similarly simple wing constructed two sections joined fuselage Lightweight sheet balsa should used sparingly gussets structural rein forcement joints involved Lan caster built entirely extremely 96 Model Aviation LI LL FISH Normans 1984 PAC Nats Lancaster flight team Chris wife Linda expecting Patrick Dennis Helpers spanned three generations aUthors father drew plans Full-Size Plans Available. See Page 188 met vital criterion me distance between peg hook of respective nacelles motors Flying prototype Lancaster flown lubricated braided back windon two loops FAI rubber cut ing slightly shorten stiffen length three one-half times Continued page 181 June1987 97 CENTFOL TORQUE ARISE NICHE TAMEST _____-AILERONID4 ALL PROPS ROD DCVITNMOSE CARON PROEL LINE FOSS? ~ 1/BoI/4 TRAILING EDGEPROPS ONLY ~EDRUSTj1jOEEAIWUSEPILOT OtTER FINE POIRRE PEIMIANEAP FLYING PROPS AND SC-UP PRO SCALE OQULINEI- I3 5-3 14 -30-0-C 0-DO-iII2 114IS__ IA371 SCALELINEBALSA IRONS NACELLE NOWSHADED AREA NEIRWED ______________SETh ________________________MODEL ________________________TO ________________________PLY SMOLESETLINE RARER AREA- R JOIREINO TO WINS ON JOININGWING-- NOPSSPINNEOSM 0 NEEC RAM Il12104IATA17BDR/ LACEPMTMAONI SMITE ISDA 10 D-9SIDE VS NNE:B SIA AUJN -Y PAT BLOCS UDDER EPAN SliDE ABBE PRO 7iW IONS4RNELUyI --ALA EUTLIND-- STAB\ tL -iIZMIlL-PACTRA NAVY IRTALLIC GREY SB- BLACK IASTATIC DISPLAY NIL K\s~TA TIA-SERDIO MAIN SlIESt ENGINEERSALDEEN CRITLIONI LOOIINATER FLIGRO D SHEET STAN SUPPOSE PANEL -IAP-Si flFRONTUS PANELPRM4 D/35xIIA SITUP ADORNS JjJJflIAFxj~4WAXES 1/S ROES BALSA PATEERN --1MOWS POD VOCULNO FORMED PASTS DSIDEPFNEREE TTGP vI --~ NODESCRIPTIDNppj p-LISA PLY NOSE IL _____1 . NODE BLISTER1/3D WIRE INAPT -10F-1420~-- . NESS VENTILATOR PAIRINGSI 3 TiERSSIKA~ SYLYRI SEARING SERIAL SEAMERI-RIIDSER LOCAT4 . TOANS RINSE PAIRING.. 3/B SALSA NOSE F TIONSS CACAPIT CANOPY1 WE&1LROLDORI AS 5110511 CANOPY RISE BLISTER IRS ________________________________________________O CANER SIDE BLISTER LI A SQ ERR ACANOPY TOP BLISTER 1 BLACE-SEAR TIDE---0ASTONE1/32 SIREET ISDORSAL TONBYC PAIRINGS ISDORSAL TERRE1TSROISER NON TOP 0-lENT T12TAIL TERREIS/IA OBESE TAITIEREP BASE --S{13CARTRIDGE CEOTO TAIL0TORSION RON SIDE NOtAN 5110511fY\14 IC-LAOXYGER MASK1/3D EBOXI ERIIRER SD10-DAPLANS DOWER lANDIS -BTORODOB BOX RATER OCALE SETLINELUF~ ABID COAT 010 LITE-CEATAVNO P14P1V'"1F117CASROBEIOR INTANEBTWO D/SDx1/IA BAWD MOW SETLINE~- FINMAIN SEAR DOORS DROBLE4STRIRS LN4INAIRD ARCHES FOXED TAIL SEIEEL -I-4II 019NR1IGDYION LIERT SlING2ROARS FIISELAGE 00W __--9 Tss-s 14 T OSPOBRRTIDN LIGhT 1411102JAPANESE TISSUE - 4 D 4 --DlIRRIERWIMO BLISTERA TA WIND MAIN_SPAR C_NRSDIREDIZ______________________________________ 22 RREL NUB4 OSSELAGE CROSS SECTION AT FB 1-S1-PL. ]i/a DCALE RUBBNR POWDERS VNR SJ[ Lii ____________________________I/1A OUTER MAINSPAS D REED-J J SOPS TO PAINE DOUD NCASTES _____________ IIRDENEIDES BLACKJAPANESE TISSUEDESIGNED SY DENNIS 0 NO REDS RORIZD/1A INGEE MAIN SPARROODE7 TEPSIDNIROSTRA SCALE MODELFLATS ,,DRAWN B DENNIS 0 NORMAN _______2ENT21-S21-PLIRBIT EARTN SE-lB LYDIEC CON NY MEARL NORMAN J FOREST ERFOR 511-5 LIOST COAT EROTEIJORORT PANELJANUARY 33 lORDNIlNSRNIINNSI light contest-grade balsa Micro-X Products PO Box 1063 Lorain OH 44055 216/282-8354 Great care must used select strongest lightest balsa available Micro-X has always two pictures lay restthe old adagethat beauty skin deep ltdefinitely goes wayto bones Using crackedrib method wing construction male molds detailed text form naceiles fuselage just basic require ments making four-engined rubber model flyable shots detail magnitude thisefforteven finished product RIGHT! LATHATS MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LOCAL HOBBY SHOP CaU Parts PeoPAL z4 c P 0 Box 26247 New Orleans LA 70186 42-5967 happening around town Spreading word through vehicles visibly increases number spectators come watch contest event makes few people aware club hobby Special event flyers traditional con test information sheet distributed club sponsoring contest written AMA rule book language benefit contestants also produce sep arate announcement written laymans terms invite spectators come watch contest participate seminar include name phone number club member contact additional formation announcements placed bulletin boards high-traffic areas such shopping malls public li braries hobby shop windows etc Display window exhibits obtained permission put Control Line model exhibit information placards local shopping malls unused display case display place two weeks promote upcoming contest exhibit attracted much atten tionit display far longer could have sustained manned mall show mall merchants demanded allowed use previously unwanted display case Doing window exhibit gave us exposure such numbers people eager anotherbut still waiting display case become available again Entry-level Control Line events stant modeler masters first Control Line trainer joins ranks sport flier point participating contest other club members seems far beyond grasp bridge gap Norfolk Aeromodelers include entrylevel event contest effective event must anyone can fly using simple off-theshelf items popular entry-level event Profile Sport Scale rules appeared April 1984 Model Aviation page 73 Anyone can fly profile replica full-scale aircraft 10 laps can compete profile Control Line kits pat terned after full-scale prototype Some like Sig Shoestring Sterlings ginner Series make good Control Line trainers permitting someones first model also entered first contest Fea turing entry-level event contest gives new flier something look ward maintaining interest en thusiasm bridges gap between sport contest flying builds confidence summarize efforts produced results aimed Club membership continues grow number active fliers has doubled father-and-son fly ing team first flew club trainer two years ago now among ag gressive Combat fliers Some people built first model recreation center now regulars join us Sunday local hobby shop has Control Line merchandise store owner quick point out new Control Line kits just went onto shelf doesnt mean promotion efforts have stopped realize thing put action got us now want keep way Promoting sport evolutionary process always refinement needs addedlike car pool get Junior modelers club field thats problemno challengethe Norfolk Aeromodelers will gladly deal responding advertisers mention read about ModelAviation SAFE FLYING IS NO ACCIDENT losing energy represented considerable length Seven-inch SleekStreak propellers cut down di ameter 6 prototype Only two-bladed props have used thus far fly model flying three-bladed props will add realism fully-wound motors temporarily held place placing 810-in length 1/32 piano wire vertically through nacelle pass through wire hook prop assembly hook bent lower end pin pins themselves can attached through hookeyes imbedded appropriate spacings piece 1 x 2-in pine strip motors wound pine strip pulled down vertically plane simultaneously removing pins prop assemblies action per mits motors unwind model launchedhorizontally firmlyinto prevailing breeze its best model aviation captures beauty excitement manmade flight fragile replica spark historys great aircraft rekindled Sugar Pu p/H ux Continued page 105 Cutting board aid cutting foam blocks special angle cuts will need cutting board board made 3-ft-sq sheet -in plywood sheet must flat true Using triangle ensure accuracy attach 12-in polished hardwood strips end 900 board 3 edge Use 1-in blocks under board gusset strips Also attach two wood strips 300 cutting tip angles Draw line June 1987 181 &U II £HEAP!CH EAP Lancaster/Norman Continued page 97
Edition: Model Aviation - 1987/06
Page Numbers: 89, 90, 91, 92, 96, 97, 181
NO OCR TEXT THE CREATION nice-flying fourengine rubber-powered model has intrigued several years Once tried unusual unique problems en countered along way required some pretty unconventional solutions 1980 built 60-in-span version Tupulov Tu 20 Bear enjoyed minimal success before being smashed pieces 1982 Flying Aces Nationals lessons learned Bear applied Lancaster vastly better results Lanc has completed numerous successful flights best-flight time 45 seconds Its potential still being developed believe flights minute attainable model unique Franldy once understand what involved may want build hope though design ideas incorporated will use wish build lighter betterperforming rubber-powered Scale models model Lancaster have built has no conventional ribs formers Instead built almost entirely strip wood using what known cracked-rib technique flying surfaces what have coined strip-former technique fuselage nacelles full-scale Lancasters very suc cessful famous strength load-carrying capacity key strength combination strong full-depth main spar wing together sturdy fuselage backbone mod el incorporates similar philosophy built around strong hollow triangular spar wing mated torsion box runs length fuselage wings leading edge molded over waxed form ribs light strong -sq balsa strip wing tips laminated strip balsa formed around waxed patterns cut size inside curve original multi-engined Bear des troyed low-altitude roll vividly An attack above behind would unwise Hobson keen-eyed dorasi gunner twin 303 machine guns ready waiting fuii-size Admirai Prune lost during night raid p43 demonstrated leverage force wing tip impact wing root fuselage avoid sort massive destruction Lancaster wing tips designed detach point just outboard outer nacelles using tongue-and-box arrange ment Sheet balsa used areas requiring additional strength such spars major attachment points Weight reduction has long known key ingredients successful 90 Model Aviation Engiands greatest heavy bomber WW II model study purposefui grace beauty Model has same structurai support scheme used fulisize piane front office Admiral Prune piiot filght engineer respec tive stations Au piiot crew figures carved very-finegraln Styrofoam block using singie-edge razor blade De taiis carefuily scuipted foam head point straight pin combination light structure heavy detailing gives outer port nacelle both characterand functional beauty Test flights three-bladed props agenda Just clothes make man details make Scale model Lancs port navigation formation lights nestle vacu-formed housings very good touch realism rubber-powered designs thats unconventional solutions came play such important part Lancaster model originally got idea construction Lancasters fuselage nacelles ship modeling maga zine article making wooden boats assembling over waxed male molds carved undersized whatever thickness finished shell shells Lancasters fuselage nacelles -in thick consists 1/16-sq strip former made laminating either two pieces 1/32 x /16 strip balsa white glue laminating four pieces /64 x 146 strip balsa over awaxedbalsa mold formers /i-sq stringers added complete shell fuselage built two halves separated its mold joined together center nacelle built same manner Lancaster required carving 22 molds 58 vacuu-formed plastic parts seven molds laminated wooden parts carving mold seems forbidding chore need look Lancaster plan shows drawn differently model airplane plan may have seen before scale lines fuselage nacelles represented dotted lines cru cial shape molds represented solid lines approach carving fuse lage nacelle molds though making traditional solid model would carve blocks shape using series cross-sectional female patterns cut lightweight cardboard plastic check shape piece being carved designated points final shape course would reached cross-sectional patterns fit snugly respective stations Such technique could used carve molds model would tedious unnecessarily time-consuming Instead suggest carve molds using what call sliced bread system Begin carving mold one-half fuselage one-half nacelle tracing solid lines part carved onto piece hard flat -in balsa sheeting Cut out traced shape using band saw similar tool will ensure 9O cut Draw lines -in-sheet profile stations representing ver tical formers shown plans side view piece selected Set sheet profile aside now will part mold itself will used base upon will glue balsa blocks final mold Trace cross-sectional formers piece being made plan onto tracing paper Transfer tracings brightly colored heavy-stock paper purpose will explained later prefer blue brightly colored paper will next step carving mold select piece straight-grained balsa block least wide side view piece being carved thick one-half top view piece being June 1987 91 Corp MacGregor redheaded Scott handlebar mustache four 3038 cheer fully waves awaits next mission Massive yet simple models main gear plugs forstaticdlspiayand removed fortlight see model lumber up ROG would stunning sight worth lower flight times Black Japanese tissue coat Sig LiteCoat dope covers lower surfaces full-size Lancasters tail wheel did retract models remains shown forfiying Launch four-engined Lancaster unforgettable Free Flight Rubber Scale experi ence Fiight times have yet top 1 mm isa boundary within grasp modei carved large blocks available may assemble smaller blocks cyanoacrylate CyA glue making sure grain piece being sembled runs same direction facilitate carving Draw side top profiles onto balsa block again referring solid lines shown plan Saw side top profiles shape point have piece balsa flat side represents center piece being built curved outer surfaces top side views mold question Draw series lines block stations formers located Next placing rough mold its flat side pass through thin band saw carefully saw block through former stations result will series segments slices what like call loaf sliced bread Take -in-sheet profile cut out earlier glue first section slice balsa loaf recommend CyA glue bonds slice almost instantly flat profile sheet heavy colored paper cut half profiles former cross sections go half particular balsa mold youre working paper patterns placed between slices balsa multi-layer sandwich style Attach first paper pat tern slice already balsa sheet rubber cement Attach next slice balsa paper remembering also CyA base Make sure everything pressed together firmly Continue alternat ing balsa slices paper patterns until balsa loaf reassembled Carve moldto shape using anX-Acto whittling blade similar carving tool brightly colored paper cross sections will begin reappear blocks carved correct shapes can vir tually complete mold carving knife alone About usually needed light sanding medium sandpaper reach desired final smooth oontour Once half-mold completed mark former stations onto again using Pilotbrand razor pen Blank edges in-sheet base using Scotch-brand book binding tape similar high-tack tape doing sure edge tape covers -in edge base let tape get onto mold itself will interfere removing finished product mold next ooated hot wax acts release agent Melt some paraffin such used home canning candle making double boiler Avoid heating wax directly high heat may cause fire Apply molten wax mold foam paintbrush quick coat should brushed directly onto raw wood Carelessness repeated coat ings will distort shape mold wax cools take whittling blade similar tool working per pendicular mold surface draw over wax smooth remove unwanted lumps distortions wax coating should thin possible avoid removing entirely Having smoothed wax carefully re move tape edges -insheet base thus exposing raw balsa edges important no wax allowed edges base since will interfere gluing strip formers bases edge formers fuselage nacelles /i6in sq made either laminating two strips z straight-grained balsa using four strips A4 balsa Before assembly soak strips am monia water 15 20 minutes Typically strip former begins taching end balsa strip edge base using CyA strip drawn around mold station former being created other end strip attached opposite side base also CyA Any excess strip protruding beyond base removed second strip tacked first beginning base first strip slightly thinned coat Titebond wood glue applied surfaces between Continued page 96 92 Model Aviation Fuiiy wound fiagged retaining pins puii bar piace Lanc ready another mission Pins inserted individually motor connected puli bar two balsa strips preference coat inside second strip distance half length former created coat outside surface first strip edge base draw second strip down tight over first hold place CyAing other side base process repeated until formers place piece being created has concave area former strips should held place pinning against mold necessary considered making molds material other balsa ruled out since few materials hold onto straight pen well balsa Once strip formers place piece being built fill spaces between either laminated strips pieces balsa Next take long strips 6-sq balsa glue overtop fillers results creation x -in longeron parallel im mediately above edges -in balsa base Using CyA glue individual stringers over strip formers stations shown plan As backup measure added strength put very light coat Titebond glue joints Finally add lightweight 6 sheeting areas needing such fuselage nose Sand sheeting shape entire assembly still mold everything right cut molded piece mold Use sharp hobby knife cut through area -in base laminated strips join course inside edge laminated 1/56 x -in spine present juncture Once strip formers have cut piece should separate wax mold difficulty prob lems however carefully slip piece surgical silk other high-strength thread between wax mold piece WHITE FORMATION LIIACTSLISPROIl BASIC 11111 CROSS SECTION ALL RIBS ARE 1/16 SQ/11J TEIlBUSATOR SPAR LOCATINE- 51111 EAROI ROIL OUTLIBE 1L 565TH FOREST OREER E1EVAT 111114 TAB FlF SFSib __ ps P-2A F-S WING -REPLACE NOSE BLISTER Slim PINE P110 CARVESii5--ID SHAPE FOR FLYING1511N GEAR LOCATICt1X POWER FOUR STRAROS NE SPAISES 5/A FLAT ROARER TNG 40 LOOPS PER INNER AND INE 06 lOOPS1/lA BIlGES STAS PER OUTER ROCELLETIIRROIAIOR SPARH FlAIR STRB~ EC LOC FL 4511 lull TINE I' LISP EARl FONESI 01121 UPTON1/LA URRET LEASING GENE SPARIN 1/A SO 121101W LOGEt4OW ClITLINE 1/16 EQ6AWA2~AMGE1lL FORGET SPEBIILINE- LIEAR-EPRROTION0 1/RAh/I6 TRAILING ROSE LIGHT EARTHSCALE OUTLINET SlOW LOCATICI4 '11UPLO OJYLINE -10 FhSIP 12 WING LOU FSOFlIPIS CALL LTIERS LIGHT TINEI PB P11P1-12 ENNIOSU&Io PACTRA SCALE RIRSEL PLATE BRICK RAR 514-BFABRIC TELLL11d SN PRIMER WHITE 016S OSTER TURBULATGH SPAR NAVY BINE 554-S ASS S/A SHEET BASE TO REAR NE 121151110 GENE 110101 WI 110101 101L0 C2Z2IZiZiZZiIIIIIIIIZEjZI AND LPARIAPJE ie P& SOAKING 1/35 SHEET WRAPPED OUR FUR ANO GIllS WITh TIIINI4BD WUTE1/16 SHEET ALlIS 2 LPTEIW IRISR IUSIAIOR SPAP---------------- thread should drawn down length piece pressure against mold until completely separated careful pressure exerted string toward mold avoid breaking piece Join two pieces assembly centers using Titebond glue Slip paper clips over spines hold halves together glue drying work may sound tedious once master technique will find fun important produces extremely lightweight yet strong fuselage nacelle Wing Aside hollow triangular main spar molded leading edge wing structure conventional crack rib design trust requires little ex planation tail surfaces similarly simple wing constructed two sections joined fuselage Lightweight sheet balsa should used sparingly gussets structural rein forcement joints involved Lan caster built entirely extremely 96 Model Aviation LI LL FISH Normans 1984 PAC Nats Lancaster flight team Chris wife Linda expecting Patrick Dennis Helpers spanned three generations aUthors father drew plans Full-Size Plans Available. See Page 188 met vital criterion me distance between peg hook of respective nacelles motors Flying prototype Lancaster flown lubricated braided back windon two loops FAI rubber cut ing slightly shorten stiffen length three one-half times Continued page 181 June1987 97 CENTFOL TORQUE ARISE NICHE TAMEST _____-AILERONID4 ALL PROPS ROD DCVITNMOSE CARON PROEL LINE FOSS? ~ 1/BoI/4 TRAILING EDGEPROPS ONLY ~EDRUSTj1jOEEAIWUSEPILOT OtTER FINE POIRRE PEIMIANEAP FLYING PROPS AND SC-UP PRO SCALE OQULINEI- I3 5-3 14 -30-0-C 0-DO-iII2 114IS__ IA371 SCALELINEBALSA IRONS NACELLE NOWSHADED AREA NEIRWED ______________SETh ________________________MODEL ________________________TO ________________________PLY SMOLESETLINE RARER AREA- R JOIREINO TO WINS ON JOININGWING-- NOPSSPINNEOSM 0 NEEC RAM Il12104IATA17BDR/ LACEPMTMAONI SMITE ISDA 10 D-9SIDE VS NNE:B SIA AUJN -Y PAT BLOCS UDDER EPAN SliDE ABBE PRO 7iW IONS4RNELUyI --ALA EUTLIND-- STAB\ tL -iIZMIlL-PACTRA NAVY IRTALLIC GREY SB- BLACK IASTATIC DISPLAY NIL K\s~TA TIA-SERDIO MAIN SlIESt ENGINEERSALDEEN CRITLIONI LOOIINATER FLIGRO D SHEET STAN SUPPOSE PANEL -IAP-Si flFRONTUS PANELPRM4 D/35xIIA SITUP ADORNS JjJJflIAFxj~4WAXES 1/S ROES BALSA PATEERN --1MOWS POD VOCULNO FORMED PASTS DSIDEPFNEREE TTGP vI --~ NODESCRIPTIDNppj p-LISA PLY NOSE IL _____1 . NODE BLISTER1/3D WIRE INAPT -10F-1420~-- . NESS VENTILATOR PAIRINGSI 3 TiERSSIKA~ SYLYRI SEARING SERIAL SEAMERI-RIIDSER LOCAT4 . TOANS RINSE PAIRING.. 3/B SALSA NOSE F TIONSS CACAPIT CANOPY1 WE&1LROLDORI AS 5110511 CANOPY RISE BLISTER IRS ________________________________________________O CANER SIDE BLISTER LI A SQ ERR ACANOPY TOP BLISTER 1 BLACE-SEAR TIDE---0ASTONE1/32 SIREET ISDORSAL TONBYC PAIRINGS ISDORSAL TERRE1TSROISER NON TOP 0-lENT T12TAIL TERREIS/IA OBESE TAITIEREP BASE --S{13CARTRIDGE CEOTO TAIL0TORSION RON SIDE NOtAN 5110511fY\14 IC-LAOXYGER MASK1/3D EBOXI ERIIRER SD10-DAPLANS DOWER lANDIS -BTORODOB BOX RATER OCALE SETLINELUF~ ABID COAT 010 LITE-CEATAVNO P14P1V'"1F117CASROBEIOR INTANEBTWO D/SDx1/IA BAWD MOW SETLINE~- FINMAIN SEAR DOORS DROBLE4STRIRS LN4INAIRD ARCHES FOXED TAIL SEIEEL -I-4II 019NR1IGDYION LIERT SlING2ROARS FIISELAGE 00W __--9 Tss-s 14 T OSPOBRRTIDN LIGhT 1411102JAPANESE TISSUE - 4 D 4 --DlIRRIERWIMO BLISTERA TA WIND MAIN_SPAR C_NRSDIREDIZ______________________________________ 22 RREL NUB4 OSSELAGE CROSS SECTION AT FB 1-S1-PL. ]i/a DCALE RUBBNR POWDERS VNR SJ[ Lii ____________________________I/1A OUTER MAINSPAS D REED-J J SOPS TO PAINE DOUD NCASTES _____________ IIRDENEIDES BLACKJAPANESE TISSUEDESIGNED SY DENNIS 0 NO REDS RORIZD/1A INGEE MAIN SPARROODE7 TEPSIDNIROSTRA SCALE MODELFLATS ,,DRAWN B DENNIS 0 NORMAN _______2ENT21-S21-PLIRBIT EARTN SE-lB LYDIEC CON NY MEARL NORMAN J FOREST ERFOR 511-5 LIOST COAT EROTEIJORORT PANELJANUARY 33 lORDNIlNSRNIINNSI light contest-grade balsa Micro-X Products PO Box 1063 Lorain OH 44055 216/282-8354 Great care must used select strongest lightest balsa available Micro-X has always two pictures lay restthe old adagethat beauty skin deep ltdefinitely goes wayto bones Using crackedrib method wing construction male molds detailed text form naceiles fuselage just basic require ments making four-engined rubber model flyable shots detail magnitude thisefforteven finished product RIGHT! LATHATS MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LOCAL HOBBY SHOP CaU Parts PeoPAL z4 c P 0 Box 26247 New Orleans LA 70186 42-5967 happening around town Spreading word through vehicles visibly increases number spectators come watch contest event makes few people aware club hobby Special event flyers traditional con test information sheet distributed club sponsoring contest written AMA rule book language benefit contestants also produce sep arate announcement written laymans terms invite spectators come watch contest participate seminar include name phone number club member contact additional formation announcements placed bulletin boards high-traffic areas such shopping malls public li braries hobby shop windows etc Display window exhibits obtained permission put Control Line model exhibit information placards local shopping malls unused display case display place two weeks promote upcoming contest exhibit attracted much atten tionit display far longer could have sustained manned mall show mall merchants demanded allowed use previously unwanted display case Doing window exhibit gave us exposure such numbers people eager anotherbut still waiting display case become available again Entry-level Control Line events stant modeler masters first Control Line trainer joins ranks sport flier point participating contest other club members seems far beyond grasp bridge gap Norfolk Aeromodelers include entrylevel event contest effective event must anyone can fly using simple off-theshelf items popular entry-level event Profile Sport Scale rules appeared April 1984 Model Aviation page 73 Anyone can fly profile replica full-scale aircraft 10 laps can compete profile Control Line kits pat terned after full-scale prototype Some like Sig Shoestring Sterlings ginner Series make good Control Line trainers permitting someones first model also entered first contest Fea turing entry-level event contest gives new flier something look ward maintaining interest en thusiasm bridges gap between sport contest flying builds confidence summarize efforts produced results aimed Club membership continues grow number active fliers has doubled father-and-son fly ing team first flew club trainer two years ago now among ag gressive Combat fliers Some people built first model recreation center now regulars join us Sunday local hobby shop has Control Line merchandise store owner quick point out new Control Line kits just went onto shelf doesnt mean promotion efforts have stopped realize thing put action got us now want keep way Promoting sport evolutionary process always refinement needs addedlike car pool get Junior modelers club field thats problemno challengethe Norfolk Aeromodelers will gladly deal responding advertisers mention read about ModelAviation SAFE FLYING IS NO ACCIDENT losing energy represented considerable length Seven-inch SleekStreak propellers cut down di ameter 6 prototype Only two-bladed props have used thus far fly model flying three-bladed props will add realism fully-wound motors temporarily held place placing 810-in length 1/32 piano wire vertically through nacelle pass through wire hook prop assembly hook bent lower end pin pins themselves can attached through hookeyes imbedded appropriate spacings piece 1 x 2-in pine strip motors wound pine strip pulled down vertically plane simultaneously removing pins prop assemblies action per mits motors unwind model launchedhorizontally firmlyinto prevailing breeze its best model aviation captures beauty excitement manmade flight fragile replica spark historys great aircraft rekindled Sugar Pu p/H ux Continued page 105 Cutting board aid cutting foam blocks special angle cuts will need cutting board board made 3-ft-sq sheet -in plywood sheet must flat true Using triangle ensure accuracy attach 12-in polished hardwood strips end 900 board 3 edge Use 1-in blocks under board gusset strips Also attach two wood strips 300 cutting tip angles Draw line June 1987 181 &U II £HEAP!CH EAP Lancaster/Norman Continued page 97
Edition: Model Aviation - 1987/06
Page Numbers: 89, 90, 91, 92, 96, 97, 181
NO OCR TEXT THE CREATION nice-flying fourengine rubber-powered model has intrigued several years Once tried unusual unique problems en countered along way required some pretty unconventional solutions 1980 built 60-in-span version Tupulov Tu 20 Bear enjoyed minimal success before being smashed pieces 1982 Flying Aces Nationals lessons learned Bear applied Lancaster vastly better results Lanc has completed numerous successful flights best-flight time 45 seconds Its potential still being developed believe flights minute attainable model unique Franldy once understand what involved may want build hope though design ideas incorporated will use wish build lighter betterperforming rubber-powered Scale models model Lancaster have built has no conventional ribs formers Instead built almost entirely strip wood using what known cracked-rib technique flying surfaces what have coined strip-former technique fuselage nacelles full-scale Lancasters very suc cessful famous strength load-carrying capacity key strength combination strong full-depth main spar wing together sturdy fuselage backbone mod el incorporates similar philosophy built around strong hollow triangular spar wing mated torsion box runs length fuselage wings leading edge molded over waxed form ribs light strong -sq balsa strip wing tips laminated strip balsa formed around waxed patterns cut size inside curve original multi-engined Bear des troyed low-altitude roll vividly An attack above behind would unwise Hobson keen-eyed dorasi gunner twin 303 machine guns ready waiting fuii-size Admirai Prune lost during night raid p43 demonstrated leverage force wing tip impact wing root fuselage avoid sort massive destruction Lancaster wing tips designed detach point just outboard outer nacelles using tongue-and-box arrange ment Sheet balsa used areas requiring additional strength such spars major attachment points Weight reduction has long known key ingredients successful 90 Model Aviation Engiands greatest heavy bomber WW II model study purposefui grace beauty Model has same structurai support scheme used fulisize piane front office Admiral Prune piiot filght engineer respec tive stations Au piiot crew figures carved very-finegraln Styrofoam block using singie-edge razor blade De taiis carefuily scuipted foam head point straight pin combination light structure heavy detailing gives outer port nacelle both characterand functional beauty Test flights three-bladed props agenda Just clothes make man details make Scale model Lancs port navigation formation lights nestle vacu-formed housings very good touch realism rubber-powered designs thats unconventional solutions came play such important part Lancaster model originally got idea construction Lancasters fuselage nacelles ship modeling maga zine article making wooden boats assembling over waxed male molds carved undersized whatever thickness finished shell shells Lancasters fuselage nacelles -in thick consists 1/16-sq strip former made laminating either two pieces 1/32 x /16 strip balsa white glue laminating four pieces /64 x 146 strip balsa over awaxedbalsa mold formers /i-sq stringers added complete shell fuselage built two halves separated its mold joined together center nacelle built same manner Lancaster required carving 22 molds 58 vacuu-formed plastic parts seven molds laminated wooden parts carving mold seems forbidding chore need look Lancaster plan shows drawn differently model airplane plan may have seen before scale lines fuselage nacelles represented dotted lines cru cial shape molds represented solid lines approach carving fuse lage nacelle molds though making traditional solid model would carve blocks shape using series cross-sectional female patterns cut lightweight cardboard plastic check shape piece being carved designated points final shape course would reached cross-sectional patterns fit snugly respective stations Such technique could used carve molds model would tedious unnecessarily time-consuming Instead suggest carve molds using what call sliced bread system Begin carving mold one-half fuselage one-half nacelle tracing solid lines part carved onto piece hard flat -in balsa sheeting Cut out traced shape using band saw similar tool will ensure 9O cut Draw lines -in-sheet profile stations representing ver tical formers shown plans side view piece selected Set sheet profile aside now will part mold itself will used base upon will glue balsa blocks final mold Trace cross-sectional formers piece being made plan onto tracing paper Transfer tracings brightly colored heavy-stock paper purpose will explained later prefer blue brightly colored paper will next step carving mold select piece straight-grained balsa block least wide side view piece being carved thick one-half top view piece being June 1987 91 Corp MacGregor redheaded Scott handlebar mustache four 3038 cheer fully waves awaits next mission Massive yet simple models main gear plugs forstaticdlspiayand removed fortlight see model lumber up ROG would stunning sight worth lower flight times Black Japanese tissue coat Sig LiteCoat dope covers lower surfaces full-size Lancasters tail wheel did retract models remains shown forfiying Launch four-engined Lancaster unforgettable Free Flight Rubber Scale experi ence Fiight times have yet top 1 mm isa boundary within grasp modei carved large blocks available may assemble smaller blocks cyanoacrylate CyA glue making sure grain piece being sembled runs same direction facilitate carving Draw side top profiles onto balsa block again referring solid lines shown plan Saw side top profiles shape point have piece balsa flat side represents center piece being built curved outer surfaces top side views mold question Draw series lines block stations formers located Next placing rough mold its flat side pass through thin band saw carefully saw block through former stations result will series segments slices what like call loaf sliced bread Take -in-sheet profile cut out earlier glue first section slice balsa loaf recommend CyA glue bonds slice almost instantly flat profile sheet heavy colored paper cut half profiles former cross sections go half particular balsa mold youre working paper patterns placed between slices balsa multi-layer sandwich style Attach first paper pat tern slice already balsa sheet rubber cement Attach next slice balsa paper remembering also CyA base Make sure everything pressed together firmly Continue alternat ing balsa slices paper patterns until balsa loaf reassembled Carve moldto shape using anX-Acto whittling blade similar carving tool brightly colored paper cross sections will begin reappear blocks carved correct shapes can vir tually complete mold carving knife alone About usually needed light sanding medium sandpaper reach desired final smooth oontour Once half-mold completed mark former stations onto again using Pilotbrand razor pen Blank edges in-sheet base using Scotch-brand book binding tape similar high-tack tape doing sure edge tape covers -in edge base let tape get onto mold itself will interfere removing finished product mold next ooated hot wax acts release agent Melt some paraffin such used home canning candle making double boiler Avoid heating wax directly high heat may cause fire Apply molten wax mold foam paintbrush quick coat should brushed directly onto raw wood Carelessness repeated coat ings will distort shape mold wax cools take whittling blade similar tool working per pendicular mold surface draw over wax smooth remove unwanted lumps distortions wax coating should thin possible avoid removing entirely Having smoothed wax carefully re move tape edges -insheet base thus exposing raw balsa edges important no wax allowed edges base since will interfere gluing strip formers bases edge formers fuselage nacelles /i6in sq made either laminating two strips z straight-grained balsa using four strips A4 balsa Before assembly soak strips am monia water 15 20 minutes Typically strip former begins taching end balsa strip edge base using CyA strip drawn around mold station former being created other end strip attached opposite side base also CyA Any excess strip protruding beyond base removed second strip tacked first beginning base first strip slightly thinned coat Titebond wood glue applied surfaces between Continued page 96 92 Model Aviation Fuiiy wound fiagged retaining pins puii bar piace Lanc ready another mission Pins inserted individually motor connected puli bar two balsa strips preference coat inside second strip distance half length former created coat outside surface first strip edge base draw second strip down tight over first hold place CyAing other side base process repeated until formers place piece being created has concave area former strips should held place pinning against mold necessary considered making molds material other balsa ruled out since few materials hold onto straight pen well balsa Once strip formers place piece being built fill spaces between either laminated strips pieces balsa Next take long strips 6-sq balsa glue overtop fillers results creation x -in longeron parallel im mediately above edges -in balsa base Using CyA glue individual stringers over strip formers stations shown plan As backup measure added strength put very light coat Titebond glue joints Finally add lightweight 6 sheeting areas needing such fuselage nose Sand sheeting shape entire assembly still mold everything right cut molded piece mold Use sharp hobby knife cut through area -in base laminated strips join course inside edge laminated 1/56 x -in spine present juncture Once strip formers have cut piece should separate wax mold difficulty prob lems however carefully slip piece surgical silk other high-strength thread between wax mold piece WHITE FORMATION LIIACTSLISPROIl BASIC 11111 CROSS SECTION ALL RIBS ARE 1/16 SQ/11J TEIlBUSATOR SPAR LOCATINE- 51111 EAROI ROIL OUTLIBE 1L 565TH FOREST OREER E1EVAT 111114 TAB FlF SFSib __ ps P-2A F-S WING -REPLACE NOSE BLISTER Slim PINE P110 CARVESii5--ID SHAPE FOR FLYING1511N GEAR LOCATICt1X POWER FOUR STRAROS NE SPAISES 5/A FLAT ROARER TNG 40 LOOPS PER INNER AND INE 06 lOOPS1/lA BIlGES STAS PER OUTER ROCELLETIIRROIAIOR SPARH FlAIR STRB~ EC LOC FL 4511 lull TINE I' LISP EARl FONESI 01121 UPTON1/LA URRET LEASING GENE SPARIN 1/A SO 121101W LOGEt4OW ClITLINE 1/16 EQ6AWA2~AMGE1lL FORGET SPEBIILINE- LIEAR-EPRROTION0 1/RAh/I6 TRAILING ROSE LIGHT EARTHSCALE OUTLINET SlOW LOCATICI4 '11UPLO OJYLINE -10 FhSIP 12 WING LOU FSOFlIPIS CALL LTIERS LIGHT TINEI PB P11P1-12 ENNIOSU&Io PACTRA SCALE RIRSEL PLATE BRICK RAR 514-BFABRIC TELLL11d SN PRIMER WHITE 016S OSTER TURBULATGH SPAR NAVY BINE 554-S ASS S/A SHEET BASE TO REAR NE 121151110 GENE 110101 WI 110101 101L0 C2Z2IZiZiZZiIIIIIIIIZEjZI AND LPARIAPJE ie P& SOAKING 1/35 SHEET WRAPPED OUR FUR ANO GIllS WITh TIIINI4BD WUTE1/16 SHEET ALlIS 2 LPTEIW IRISR IUSIAIOR SPAP---------------- thread should drawn down length piece pressure against mold until completely separated careful pressure exerted string toward mold avoid breaking piece Join two pieces assembly centers using Titebond glue Slip paper clips over spines hold halves together glue drying work may sound tedious once master technique will find fun important produces extremely lightweight yet strong fuselage nacelle Wing Aside hollow triangular main spar molded leading edge wing structure conventional crack rib design trust requires little ex planation tail surfaces similarly simple wing constructed two sections joined fuselage Lightweight sheet balsa should used sparingly gussets structural rein forcement joints involved Lan caster built entirely extremely 96 Model Aviation LI LL FISH Normans 1984 PAC Nats Lancaster flight team Chris wife Linda expecting Patrick Dennis Helpers spanned three generations aUthors father drew plans Full-Size Plans Available. See Page 188 met vital criterion me distance between peg hook of respective nacelles motors Flying prototype Lancaster flown lubricated braided back windon two loops FAI rubber cut ing slightly shorten stiffen length three one-half times Continued page 181 June1987 97 CENTFOL TORQUE ARISE NICHE TAMEST _____-AILERONID4 ALL PROPS ROD DCVITNMOSE CARON PROEL LINE FOSS? ~ 1/BoI/4 TRAILING EDGEPROPS ONLY ~EDRUSTj1jOEEAIWUSEPILOT OtTER FINE POIRRE PEIMIANEAP FLYING PROPS AND SC-UP PRO SCALE OQULINEI- I3 5-3 14 -30-0-C 0-DO-iII2 114IS__ IA371 SCALELINEBALSA IRONS NACELLE NOWSHADED AREA NEIRWED ______________SETh ________________________MODEL ________________________TO ________________________PLY SMOLESETLINE RARER AREA- R JOIREINO TO WINS ON JOININGWING-- NOPSSPINNEOSM 0 NEEC RAM Il12104IATA17BDR/ LACEPMTMAONI SMITE ISDA 10 D-9SIDE VS NNE:B SIA AUJN -Y PAT BLOCS UDDER EPAN SliDE ABBE PRO 7iW IONS4RNELUyI --ALA EUTLIND-- STAB\ tL -iIZMIlL-PACTRA NAVY IRTALLIC GREY SB- BLACK IASTATIC DISPLAY NIL K\s~TA TIA-SERDIO MAIN SlIESt ENGINEERSALDEEN CRITLIONI LOOIINATER FLIGRO D SHEET STAN SUPPOSE PANEL -IAP-Si flFRONTUS PANELPRM4 D/35xIIA SITUP ADORNS JjJJflIAFxj~4WAXES 1/S ROES BALSA PATEERN --1MOWS POD VOCULNO FORMED PASTS DSIDEPFNEREE TTGP vI --~ NODESCRIPTIDNppj p-LISA PLY NOSE IL _____1 . NODE BLISTER1/3D WIRE INAPT -10F-1420~-- . NESS VENTILATOR PAIRINGSI 3 TiERSSIKA~ SYLYRI SEARING SERIAL SEAMERI-RIIDSER LOCAT4 . TOANS RINSE PAIRING.. 3/B SALSA NOSE F TIONSS CACAPIT CANOPY1 WE&1LROLDORI AS 5110511 CANOPY RISE BLISTER IRS ________________________________________________O CANER SIDE BLISTER LI A SQ ERR ACANOPY TOP BLISTER 1 BLACE-SEAR TIDE---0ASTONE1/32 SIREET ISDORSAL TONBYC PAIRINGS ISDORSAL TERRE1TSROISER NON TOP 0-lENT T12TAIL TERREIS/IA OBESE TAITIEREP BASE --S{13CARTRIDGE CEOTO TAIL0TORSION RON SIDE NOtAN 5110511fY\14 IC-LAOXYGER MASK1/3D EBOXI ERIIRER SD10-DAPLANS DOWER lANDIS -BTORODOB BOX RATER OCALE SETLINELUF~ ABID COAT 010 LITE-CEATAVNO P14P1V'"1F117CASROBEIOR INTANEBTWO D/SDx1/IA BAWD MOW SETLINE~- FINMAIN SEAR DOORS DROBLE4STRIRS LN4INAIRD ARCHES FOXED TAIL SEIEEL -I-4II 019NR1IGDYION LIERT SlING2ROARS FIISELAGE 00W __--9 Tss-s 14 T OSPOBRRTIDN LIGhT 1411102JAPANESE TISSUE - 4 D 4 --DlIRRIERWIMO BLISTERA TA WIND MAIN_SPAR C_NRSDIREDIZ______________________________________ 22 RREL NUB4 OSSELAGE CROSS SECTION AT FB 1-S1-PL. ]i/a DCALE RUBBNR POWDERS VNR SJ[ Lii ____________________________I/1A OUTER MAINSPAS D REED-J J SOPS TO PAINE DOUD NCASTES _____________ IIRDENEIDES BLACKJAPANESE TISSUEDESIGNED SY DENNIS 0 NO REDS RORIZD/1A INGEE MAIN SPARROODE7 TEPSIDNIROSTRA SCALE MODELFLATS ,,DRAWN B DENNIS 0 NORMAN _______2ENT21-S21-PLIRBIT EARTN SE-lB LYDIEC CON NY MEARL NORMAN J FOREST ERFOR 511-5 LIOST COAT EROTEIJORORT PANELJANUARY 33 lORDNIlNSRNIINNSI light contest-grade balsa Micro-X Products PO Box 1063 Lorain OH 44055 216/282-8354 Great care must used select strongest lightest balsa available Micro-X has always two pictures lay restthe old adagethat beauty skin deep ltdefinitely goes wayto bones Using crackedrib method wing construction male molds detailed text form naceiles fuselage just basic require ments making four-engined rubber model flyable shots detail magnitude thisefforteven finished product RIGHT! LATHATS MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LOCAL HOBBY SHOP CaU Parts PeoPAL z4 c P 0 Box 26247 New Orleans LA 70186 42-5967 happening around town Spreading word through vehicles visibly increases number spectators come watch contest event makes few people aware club hobby Special event flyers traditional con test information sheet distributed club sponsoring contest written AMA rule book language benefit contestants also produce sep arate announcement written laymans terms invite spectators come watch contest participate seminar include name phone number club member contact additional formation announcements placed bulletin boards high-traffic areas such shopping malls public li braries hobby shop windows etc Display window exhibits obtained permission put Control Line model exhibit information placards local shopping malls unused display case display place two weeks promote upcoming contest exhibit attracted much atten tionit display far longer could have sustained manned mall show mall merchants demanded allowed use previously unwanted display case Doing window exhibit gave us exposure such numbers people eager anotherbut still waiting display case become available again Entry-level Control Line events stant modeler masters first Control Line trainer joins ranks sport flier point participating contest other club members seems far beyond grasp bridge gap Norfolk Aeromodelers include entrylevel event contest effective event must anyone can fly using simple off-theshelf items popular entry-level event Profile Sport Scale rules appeared April 1984 Model Aviation page 73 Anyone can fly profile replica full-scale aircraft 10 laps can compete profile Control Line kits pat terned after full-scale prototype Some like Sig Shoestring Sterlings ginner Series make good Control Line trainers permitting someones first model also entered first contest Fea turing entry-level event contest gives new flier something look ward maintaining interest en thusiasm bridges gap between sport contest flying builds confidence summarize efforts produced results aimed Club membership continues grow number active fliers has doubled father-and-son fly ing team first flew club trainer two years ago now among ag gressive Combat fliers Some people built first model recreation center now regulars join us Sunday local hobby shop has Control Line merchandise store owner quick point out new Control Line kits just went onto shelf doesnt mean promotion efforts have stopped realize thing put action got us now want keep way Promoting sport evolutionary process always refinement needs addedlike car pool get Junior modelers club field thats problemno challengethe Norfolk Aeromodelers will gladly deal responding advertisers mention read about ModelAviation SAFE FLYING IS NO ACCIDENT losing energy represented considerable length Seven-inch SleekStreak propellers cut down di ameter 6 prototype Only two-bladed props have used thus far fly model flying three-bladed props will add realism fully-wound motors temporarily held place placing 810-in length 1/32 piano wire vertically through nacelle pass through wire hook prop assembly hook bent lower end pin pins themselves can attached through hookeyes imbedded appropriate spacings piece 1 x 2-in pine strip motors wound pine strip pulled down vertically plane simultaneously removing pins prop assemblies action per mits motors unwind model launchedhorizontally firmlyinto prevailing breeze its best model aviation captures beauty excitement manmade flight fragile replica spark historys great aircraft rekindled Sugar Pu p/H ux Continued page 105 Cutting board aid cutting foam blocks special angle cuts will need cutting board board made 3-ft-sq sheet -in plywood sheet must flat true Using triangle ensure accuracy attach 12-in polished hardwood strips end 900 board 3 edge Use 1-in blocks under board gusset strips Also attach two wood strips 300 cutting tip angles Draw line June 1987 181 &U II £HEAP!CH EAP Lancaster/Norman Continued page 97
Edition: Model Aviation - 1987/06
Page Numbers: 89, 90, 91, 92, 96, 97, 181
NO OCR TEXT THE CREATION nice-flying fourengine rubber-powered model has intrigued several years Once tried unusual unique problems en countered along way required some pretty unconventional solutions 1980 built 60-in-span version Tupulov Tu 20 Bear enjoyed minimal success before being smashed pieces 1982 Flying Aces Nationals lessons learned Bear applied Lancaster vastly better results Lanc has completed numerous successful flights best-flight time 45 seconds Its potential still being developed believe flights minute attainable model unique Franldy once understand what involved may want build hope though design ideas incorporated will use wish build lighter betterperforming rubber-powered Scale models model Lancaster have built has no conventional ribs formers Instead built almost entirely strip wood using what known cracked-rib technique flying surfaces what have coined strip-former technique fuselage nacelles full-scale Lancasters very suc cessful famous strength load-carrying capacity key strength combination strong full-depth main spar wing together sturdy fuselage backbone mod el incorporates similar philosophy built around strong hollow triangular spar wing mated torsion box runs length fuselage wings leading edge molded over waxed form ribs light strong -sq balsa strip wing tips laminated strip balsa formed around waxed patterns cut size inside curve original multi-engined Bear des troyed low-altitude roll vividly An attack above behind would unwise Hobson keen-eyed dorasi gunner twin 303 machine guns ready waiting fuii-size Admirai Prune lost during night raid p43 demonstrated leverage force wing tip impact wing root fuselage avoid sort massive destruction Lancaster wing tips designed detach point just outboard outer nacelles using tongue-and-box arrange ment Sheet balsa used areas requiring additional strength such spars major attachment points Weight reduction has long known key ingredients successful 90 Model Aviation Engiands greatest heavy bomber WW II model study purposefui grace beauty Model has same structurai support scheme used fulisize piane front office Admiral Prune piiot filght engineer respec tive stations Au piiot crew figures carved very-finegraln Styrofoam block using singie-edge razor blade De taiis carefuily scuipted foam head point straight pin combination light structure heavy detailing gives outer port nacelle both characterand functional beauty Test flights three-bladed props agenda Just clothes make man details make Scale model Lancs port navigation formation lights nestle vacu-formed housings very good touch realism rubber-powered designs thats unconventional solutions came play such important part Lancaster model originally got idea construction Lancasters fuselage nacelles ship modeling maga zine article making wooden boats assembling over waxed male molds carved undersized whatever thickness finished shell shells Lancasters fuselage nacelles -in thick consists 1/16-sq strip former made laminating either two pieces 1/32 x /16 strip balsa white glue laminating four pieces /64 x 146 strip balsa over awaxedbalsa mold formers /i-sq stringers added complete shell fuselage built two halves separated its mold joined together center nacelle built same manner Lancaster required carving 22 molds 58 vacuu-formed plastic parts seven molds laminated wooden parts carving mold seems forbidding chore need look Lancaster plan shows drawn differently model airplane plan may have seen before scale lines fuselage nacelles represented dotted lines cru cial shape molds represented solid lines approach carving fuse lage nacelle molds though making traditional solid model would carve blocks shape using series cross-sectional female patterns cut lightweight cardboard plastic check shape piece being carved designated points final shape course would reached cross-sectional patterns fit snugly respective stations Such technique could used carve molds model would tedious unnecessarily time-consuming Instead suggest carve molds using what call sliced bread system Begin carving mold one-half fuselage one-half nacelle tracing solid lines part carved onto piece hard flat -in balsa sheeting Cut out traced shape using band saw similar tool will ensure 9O cut Draw lines -in-sheet profile stations representing ver tical formers shown plans side view piece selected Set sheet profile aside now will part mold itself will used base upon will glue balsa blocks final mold Trace cross-sectional formers piece being made plan onto tracing paper Transfer tracings brightly colored heavy-stock paper purpose will explained later prefer blue brightly colored paper will next step carving mold select piece straight-grained balsa block least wide side view piece being carved thick one-half top view piece being June 1987 91 Corp MacGregor redheaded Scott handlebar mustache four 3038 cheer fully waves awaits next mission Massive yet simple models main gear plugs forstaticdlspiayand removed fortlight see model lumber up ROG would stunning sight worth lower flight times Black Japanese tissue coat Sig LiteCoat dope covers lower surfaces full-size Lancasters tail wheel did retract models remains shown forfiying Launch four-engined Lancaster unforgettable Free Flight Rubber Scale experi ence Fiight times have yet top 1 mm isa boundary within grasp modei carved large blocks available may assemble smaller blocks cyanoacrylate CyA glue making sure grain piece being sembled runs same direction facilitate carving Draw side top profiles onto balsa block again referring solid lines shown plan Saw side top profiles shape point have piece balsa flat side represents center piece being built curved outer surfaces top side views mold question Draw series lines block stations formers located Next placing rough mold its flat side pass through thin band saw carefully saw block through former stations result will series segments slices what like call loaf sliced bread Take -in-sheet profile cut out earlier glue first section slice balsa loaf recommend CyA glue bonds slice almost instantly flat profile sheet heavy colored paper cut half profiles former cross sections go half particular balsa mold youre working paper patterns placed between slices balsa multi-layer sandwich style Attach first paper pat tern slice already balsa sheet rubber cement Attach next slice balsa paper remembering also CyA base Make sure everything pressed together firmly Continue alternat ing balsa slices paper patterns until balsa loaf reassembled Carve moldto shape using anX-Acto whittling blade similar carving tool brightly colored paper cross sections will begin reappear blocks carved correct shapes can vir tually complete mold carving knife alone About usually needed light sanding medium sandpaper reach desired final smooth oontour Once half-mold completed mark former stations onto again using Pilotbrand razor pen Blank edges in-sheet base using Scotch-brand book binding tape similar high-tack tape doing sure edge tape covers -in edge base let tape get onto mold itself will interfere removing finished product mold next ooated hot wax acts release agent Melt some paraffin such used home canning candle making double boiler Avoid heating wax directly high heat may cause fire Apply molten wax mold foam paintbrush quick coat should brushed directly onto raw wood Carelessness repeated coat ings will distort shape mold wax cools take whittling blade similar tool working per pendicular mold surface draw over wax smooth remove unwanted lumps distortions wax coating should thin possible avoid removing entirely Having smoothed wax carefully re move tape edges -insheet base thus exposing raw balsa edges important no wax allowed edges base since will interfere gluing strip formers bases edge formers fuselage nacelles /i6in sq made either laminating two strips z straight-grained balsa using four strips A4 balsa Before assembly soak strips am monia water 15 20 minutes Typically strip former begins taching end balsa strip edge base using CyA strip drawn around mold station former being created other end strip attached opposite side base also CyA Any excess strip protruding beyond base removed second strip tacked first beginning base first strip slightly thinned coat Titebond wood glue applied surfaces between Continued page 96 92 Model Aviation Fuiiy wound fiagged retaining pins puii bar piace Lanc ready another mission Pins inserted individually motor connected puli bar two balsa strips preference coat inside second strip distance half length former created coat outside surface first strip edge base draw second strip down tight over first hold place CyAing other side base process repeated until formers place piece being created has concave area former strips should held place pinning against mold necessary considered making molds material other balsa ruled out since few materials hold onto straight pen well balsa Once strip formers place piece being built fill spaces between either laminated strips pieces balsa Next take long strips 6-sq balsa glue overtop fillers results creation x -in longeron parallel im mediately above edges -in balsa base Using CyA glue individual stringers over strip formers stations shown plan As backup measure added strength put very light coat Titebond glue joints Finally add lightweight 6 sheeting areas needing such fuselage nose Sand sheeting shape entire assembly still mold everything right cut molded piece mold Use sharp hobby knife cut through area -in base laminated strips join course inside edge laminated 1/56 x -in spine present juncture Once strip formers have cut piece should separate wax mold difficulty prob lems however carefully slip piece surgical silk other high-strength thread between wax mold piece WHITE FORMATION LIIACTSLISPROIl BASIC 11111 CROSS SECTION ALL RIBS ARE 1/16 SQ/11J TEIlBUSATOR SPAR LOCATINE- 51111 EAROI ROIL OUTLIBE 1L 565TH FOREST OREER E1EVAT 111114 TAB FlF SFSib __ ps P-2A F-S WING -REPLACE NOSE BLISTER Slim PINE P110 CARVESii5--ID SHAPE FOR FLYING1511N GEAR LOCATICt1X POWER FOUR STRAROS NE SPAISES 5/A FLAT ROARER TNG 40 LOOPS PER INNER AND INE 06 lOOPS1/lA BIlGES STAS PER OUTER ROCELLETIIRROIAIOR SPARH FlAIR STRB~ EC LOC FL 4511 lull TINE I' LISP EARl FONESI 01121 UPTON1/LA URRET LEASING GENE SPARIN 1/A SO 121101W LOGEt4OW ClITLINE 1/16 EQ6AWA2~AMGE1lL FORGET SPEBIILINE- LIEAR-EPRROTION0 1/RAh/I6 TRAILING ROSE LIGHT EARTHSCALE OUTLINET SlOW LOCATICI4 '11UPLO OJYLINE -10 FhSIP 12 WING LOU FSOFlIPIS CALL LTIERS LIGHT TINEI PB P11P1-12 ENNIOSU&Io PACTRA SCALE RIRSEL PLATE BRICK RAR 514-BFABRIC TELLL11d SN PRIMER WHITE 016S OSTER TURBULATGH SPAR NAVY BINE 554-S ASS S/A SHEET BASE TO REAR NE 121151110 GENE 110101 WI 110101 101L0 C2Z2IZiZiZZiIIIIIIIIZEjZI AND LPARIAPJE ie P& SOAKING 1/35 SHEET WRAPPED OUR FUR ANO GIllS WITh TIIINI4BD WUTE1/16 SHEET ALlIS 2 LPTEIW IRISR IUSIAIOR SPAP---------------- thread should drawn down length piece pressure against mold until completely separated careful pressure exerted string toward mold avoid breaking piece Join two pieces assembly centers using Titebond glue Slip paper clips over spines hold halves together glue drying work may sound tedious once master technique will find fun important produces extremely lightweight yet strong fuselage nacelle Wing Aside hollow triangular main spar molded leading edge wing structure conventional crack rib design trust requires little ex planation tail surfaces similarly simple wing constructed two sections joined fuselage Lightweight sheet balsa should used sparingly gussets structural rein forcement joints involved Lan caster built entirely extremely 96 Model Aviation LI LL FISH Normans 1984 PAC Nats Lancaster flight team Chris wife Linda expecting Patrick Dennis Helpers spanned three generations aUthors father drew plans Full-Size Plans Available. See Page 188 met vital criterion me distance between peg hook of respective nacelles motors Flying prototype Lancaster flown lubricated braided back windon two loops FAI rubber cut ing slightly shorten stiffen length three one-half times Continued page 181 June1987 97 CENTFOL TORQUE ARISE NICHE TAMEST _____-AILERONID4 ALL PROPS ROD DCVITNMOSE CARON PROEL LINE FOSS? ~ 1/BoI/4 TRAILING EDGEPROPS ONLY ~EDRUSTj1jOEEAIWUSEPILOT OtTER FINE POIRRE PEIMIANEAP FLYING PROPS AND SC-UP PRO SCALE OQULINEI- I3 5-3 14 -30-0-C 0-DO-iII2 114IS__ IA371 SCALELINEBALSA IRONS NACELLE NOWSHADED AREA NEIRWED ______________SETh ________________________MODEL ________________________TO ________________________PLY SMOLESETLINE RARER AREA- R JOIREINO TO WINS ON JOININGWING-- NOPSSPINNEOSM 0 NEEC RAM Il12104IATA17BDR/ LACEPMTMAONI SMITE ISDA 10 D-9SIDE VS NNE:B SIA AUJN -Y PAT BLOCS UDDER EPAN SliDE ABBE PRO 7iW IONS4RNELUyI --ALA EUTLIND-- STAB\ tL -iIZMIlL-PACTRA NAVY IRTALLIC GREY SB- BLACK IASTATIC DISPLAY NIL K\s~TA TIA-SERDIO MAIN SlIESt ENGINEERSALDEEN CRITLIONI LOOIINATER FLIGRO D SHEET STAN SUPPOSE PANEL -IAP-Si flFRONTUS PANELPRM4 D/35xIIA SITUP ADORNS JjJJflIAFxj~4WAXES 1/S ROES BALSA PATEERN --1MOWS POD VOCULNO FORMED PASTS DSIDEPFNEREE TTGP vI --~ NODESCRIPTIDNppj p-LISA PLY NOSE IL _____1 . NODE BLISTER1/3D WIRE INAPT -10F-1420~-- . NESS VENTILATOR PAIRINGSI 3 TiERSSIKA~ SYLYRI SEARING SERIAL SEAMERI-RIIDSER LOCAT4 . TOANS RINSE PAIRING.. 3/B SALSA NOSE F TIONSS CACAPIT CANOPY1 WE&1LROLDORI AS 5110511 CANOPY RISE BLISTER IRS ________________________________________________O CANER SIDE BLISTER LI A SQ ERR ACANOPY TOP BLISTER 1 BLACE-SEAR TIDE---0ASTONE1/32 SIREET ISDORSAL TONBYC PAIRINGS ISDORSAL TERRE1TSROISER NON TOP 0-lENT T12TAIL TERREIS/IA OBESE TAITIEREP BASE --S{13CARTRIDGE CEOTO TAIL0TORSION RON SIDE NOtAN 5110511fY\14 IC-LAOXYGER MASK1/3D EBOXI ERIIRER SD10-DAPLANS DOWER lANDIS -BTORODOB BOX RATER OCALE SETLINELUF~ ABID COAT 010 LITE-CEATAVNO P14P1V'"1F117CASROBEIOR INTANEBTWO D/SDx1/IA BAWD MOW SETLINE~- FINMAIN SEAR DOORS DROBLE4STRIRS LN4INAIRD ARCHES FOXED TAIL SEIEEL -I-4II 019NR1IGDYION LIERT SlING2ROARS FIISELAGE 00W __--9 Tss-s 14 T OSPOBRRTIDN LIGhT 1411102JAPANESE TISSUE - 4 D 4 --DlIRRIERWIMO BLISTERA TA WIND MAIN_SPAR C_NRSDIREDIZ______________________________________ 22 RREL NUB4 OSSELAGE CROSS SECTION AT FB 1-S1-PL. ]i/a DCALE RUBBNR POWDERS VNR SJ[ Lii ____________________________I/1A OUTER MAINSPAS D REED-J J SOPS TO PAINE DOUD NCASTES _____________ IIRDENEIDES BLACKJAPANESE TISSUEDESIGNED SY DENNIS 0 NO REDS RORIZD/1A INGEE MAIN SPARROODE7 TEPSIDNIROSTRA SCALE MODELFLATS ,,DRAWN B DENNIS 0 NORMAN _______2ENT21-S21-PLIRBIT EARTN SE-lB LYDIEC CON NY MEARL NORMAN J FOREST ERFOR 511-5 LIOST COAT EROTEIJORORT PANELJANUARY 33 lORDNIlNSRNIINNSI light contest-grade balsa Micro-X Products PO Box 1063 Lorain OH 44055 216/282-8354 Great care must used select strongest lightest balsa available Micro-X has always two pictures lay restthe old adagethat beauty skin deep ltdefinitely goes wayto bones Using crackedrib method wing construction male molds detailed text form naceiles fuselage just basic require ments making four-engined rubber model flyable shots detail magnitude thisefforteven finished product RIGHT! LATHATS MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LOCAL HOBBY SHOP CaU Parts PeoPAL z4 c P 0 Box 26247 New Orleans LA 70186 42-5967 happening around town Spreading word through vehicles visibly increases number spectators come watch contest event makes few people aware club hobby Special event flyers traditional con test information sheet distributed club sponsoring contest written AMA rule book language benefit contestants also produce sep arate announcement written laymans terms invite spectators come watch contest participate seminar include name phone number club member contact additional formation announcements placed bulletin boards high-traffic areas such shopping malls public li braries hobby shop windows etc Display window exhibits obtained permission put Control Line model exhibit information placards local shopping malls unused display case display place two weeks promote upcoming contest exhibit attracted much atten tionit display far longer could have sustained manned mall show mall merchants demanded allowed use previously unwanted display case Doing window exhibit gave us exposure such numbers people eager anotherbut still waiting display case become available again Entry-level Control Line events stant modeler masters first Control Line trainer joins ranks sport flier point participating contest other club members seems far beyond grasp bridge gap Norfolk Aeromodelers include entrylevel event contest effective event must anyone can fly using simple off-theshelf items popular entry-level event Profile Sport Scale rules appeared April 1984 Model Aviation page 73 Anyone can fly profile replica full-scale aircraft 10 laps can compete profile Control Line kits pat terned after full-scale prototype Some like Sig Shoestring Sterlings ginner Series make good Control Line trainers permitting someones first model also entered first contest Fea turing entry-level event contest gives new flier something look ward maintaining interest en thusiasm bridges gap between sport contest flying builds confidence summarize efforts produced results aimed Club membership continues grow number active fliers has doubled father-and-son fly ing team first flew club trainer two years ago now among ag gressive Combat fliers Some people built first model recreation center now regulars join us Sunday local hobby shop has Control Line merchandise store owner quick point out new Control Line kits just went onto shelf doesnt mean promotion efforts have stopped realize thing put action got us now want keep way Promoting sport evolutionary process always refinement needs addedlike car pool get Junior modelers club field thats problemno challengethe Norfolk Aeromodelers will gladly deal responding advertisers mention read about ModelAviation SAFE FLYING IS NO ACCIDENT losing energy represented considerable length Seven-inch SleekStreak propellers cut down di ameter 6 prototype Only two-bladed props have used thus far fly model flying three-bladed props will add realism fully-wound motors temporarily held place placing 810-in length 1/32 piano wire vertically through nacelle pass through wire hook prop assembly hook bent lower end pin pins themselves can attached through hookeyes imbedded appropriate spacings piece 1 x 2-in pine strip motors wound pine strip pulled down vertically plane simultaneously removing pins prop assemblies action per mits motors unwind model launchedhorizontally firmlyinto prevailing breeze its best model aviation captures beauty excitement manmade flight fragile replica spark historys great aircraft rekindled Sugar Pu p/H ux Continued page 105 Cutting board aid cutting foam blocks special angle cuts will need cutting board board made 3-ft-sq sheet -in plywood sheet must flat true Using triangle ensure accuracy attach 12-in polished hardwood strips end 900 board 3 edge Use 1-in blocks under board gusset strips Also attach two wood strips 300 cutting tip angles Draw line June 1987 181 &U II £HEAP!CH EAP Lancaster/Norman Continued page 97
Edition: Model Aviation - 1987/06
Page Numbers: 89, 90, 91, 92, 96, 97, 181
NO OCR TEXT THE CREATION nice-flying fourengine rubber-powered model has intrigued several years Once tried unusual unique problems en countered along way required some pretty unconventional solutions 1980 built 60-in-span version Tupulov Tu 20 Bear enjoyed minimal success before being smashed pieces 1982 Flying Aces Nationals lessons learned Bear applied Lancaster vastly better results Lanc has completed numerous successful flights best-flight time 45 seconds Its potential still being developed believe flights minute attainable model unique Franldy once understand what involved may want build hope though design ideas incorporated will use wish build lighter betterperforming rubber-powered Scale models model Lancaster have built has no conventional ribs formers Instead built almost entirely strip wood using what known cracked-rib technique flying surfaces what have coined strip-former technique fuselage nacelles full-scale Lancasters very suc cessful famous strength load-carrying capacity key strength combination strong full-depth main spar wing together sturdy fuselage backbone mod el incorporates similar philosophy built around strong hollow triangular spar wing mated torsion box runs length fuselage wings leading edge molded over waxed form ribs light strong -sq balsa strip wing tips laminated strip balsa formed around waxed patterns cut size inside curve original multi-engined Bear des troyed low-altitude roll vividly An attack above behind would unwise Hobson keen-eyed dorasi gunner twin 303 machine guns ready waiting fuii-size Admirai Prune lost during night raid p43 demonstrated leverage force wing tip impact wing root fuselage avoid sort massive destruction Lancaster wing tips designed detach point just outboard outer nacelles using tongue-and-box arrange ment Sheet balsa used areas requiring additional strength such spars major attachment points Weight reduction has long known key ingredients successful 90 Model Aviation Engiands greatest heavy bomber WW II model study purposefui grace beauty Model has same structurai support scheme used fulisize piane front office Admiral Prune piiot filght engineer respec tive stations Au piiot crew figures carved very-finegraln Styrofoam block using singie-edge razor blade De taiis carefuily scuipted foam head point straight pin combination light structure heavy detailing gives outer port nacelle both characterand functional beauty Test flights three-bladed props agenda Just clothes make man details make Scale model Lancs port navigation formation lights nestle vacu-formed housings very good touch realism rubber-powered designs thats unconventional solutions came play such important part Lancaster model originally got idea construction Lancasters fuselage nacelles ship modeling maga zine article making wooden boats assembling over waxed male molds carved undersized whatever thickness finished shell shells Lancasters fuselage nacelles -in thick consists 1/16-sq strip former made laminating either two pieces 1/32 x /16 strip balsa white glue laminating four pieces /64 x 146 strip balsa over awaxedbalsa mold formers /i-sq stringers added complete shell fuselage built two halves separated its mold joined together center nacelle built same manner Lancaster required carving 22 molds 58 vacuu-formed plastic parts seven molds laminated wooden parts carving mold seems forbidding chore need look Lancaster plan shows drawn differently model airplane plan may have seen before scale lines fuselage nacelles represented dotted lines cru cial shape molds represented solid lines approach carving fuse lage nacelle molds though making traditional solid model would carve blocks shape using series cross-sectional female patterns cut lightweight cardboard plastic check shape piece being carved designated points final shape course would reached cross-sectional patterns fit snugly respective stations Such technique could used carve molds model would tedious unnecessarily time-consuming Instead suggest carve molds using what call sliced bread system Begin carving mold one-half fuselage one-half nacelle tracing solid lines part carved onto piece hard flat -in balsa sheeting Cut out traced shape using band saw similar tool will ensure 9O cut Draw lines -in-sheet profile stations representing ver tical formers shown plans side view piece selected Set sheet profile aside now will part mold itself will used base upon will glue balsa blocks final mold Trace cross-sectional formers piece being made plan onto tracing paper Transfer tracings brightly colored heavy-stock paper purpose will explained later prefer blue brightly colored paper will next step carving mold select piece straight-grained balsa block least wide side view piece being carved thick one-half top view piece being June 1987 91 Corp MacGregor redheaded Scott handlebar mustache four 3038 cheer fully waves awaits next mission Massive yet simple models main gear plugs forstaticdlspiayand removed fortlight see model lumber up ROG would stunning sight worth lower flight times Black Japanese tissue coat Sig LiteCoat dope covers lower surfaces full-size Lancasters tail wheel did retract models remains shown forfiying Launch four-engined Lancaster unforgettable Free Flight Rubber Scale experi ence Fiight times have yet top 1 mm isa boundary within grasp modei carved large blocks available may assemble smaller blocks cyanoacrylate CyA glue making sure grain piece being sembled runs same direction facilitate carving Draw side top profiles onto balsa block again referring solid lines shown plan Saw side top profiles shape point have piece balsa flat side represents center piece being built curved outer surfaces top side views mold question Draw series lines block stations formers located Next placing rough mold its flat side pass through thin band saw carefully saw block through former stations result will series segments slices what like call loaf sliced bread Take -in-sheet profile cut out earlier glue first section slice balsa loaf recommend CyA glue bonds slice almost instantly flat profile sheet heavy colored paper cut half profiles former cross sections go half particular balsa mold youre working paper patterns placed between slices balsa multi-layer sandwich style Attach first paper pat tern slice already balsa sheet rubber cement Attach next slice balsa paper remembering also CyA base Make sure everything pressed together firmly Continue alternat ing balsa slices paper patterns until balsa loaf reassembled Carve moldto shape using anX-Acto whittling blade similar carving tool brightly colored paper cross sections will begin reappear blocks carved correct shapes can vir tually complete mold carving knife alone About usually needed light sanding medium sandpaper reach desired final smooth oontour Once half-mold completed mark former stations onto again using Pilotbrand razor pen Blank edges in-sheet base using Scotch-brand book binding tape similar high-tack tape doing sure edge tape covers -in edge base let tape get onto mold itself will interfere removing finished product mold next ooated hot wax acts release agent Melt some paraffin such used home canning candle making double boiler Avoid heating wax directly high heat may cause fire Apply molten wax mold foam paintbrush quick coat should brushed directly onto raw wood Carelessness repeated coat ings will distort shape mold wax cools take whittling blade similar tool working per pendicular mold surface draw over wax smooth remove unwanted lumps distortions wax coating should thin possible avoid removing entirely Having smoothed wax carefully re move tape edges -insheet base thus exposing raw balsa edges important no wax allowed edges base since will interfere gluing strip formers bases edge formers fuselage nacelles /i6in sq made either laminating two strips z straight-grained balsa using four strips A4 balsa Before assembly soak strips am monia water 15 20 minutes Typically strip former begins taching end balsa strip edge base using CyA strip drawn around mold station former being created other end strip attached opposite side base also CyA Any excess strip protruding beyond base removed second strip tacked first beginning base first strip slightly thinned coat Titebond wood glue applied surfaces between Continued page 96 92 Model Aviation Fuiiy wound fiagged retaining pins puii bar piace Lanc ready another mission Pins inserted individually motor connected puli bar two balsa strips preference coat inside second strip distance half length former created coat outside surface first strip edge base draw second strip down tight over first hold place CyAing other side base process repeated until formers place piece being created has concave area former strips should held place pinning against mold necessary considered making molds material other balsa ruled out since few materials hold onto straight pen well balsa Once strip formers place piece being built fill spaces between either laminated strips pieces balsa Next take long strips 6-sq balsa glue overtop fillers results creation x -in longeron parallel im mediately above edges -in balsa base Using CyA glue individual stringers over strip formers stations shown plan As backup measure added strength put very light coat Titebond glue joints Finally add lightweight 6 sheeting areas needing such fuselage nose Sand sheeting shape entire assembly still mold everything right cut molded piece mold Use sharp hobby knife cut through area -in base laminated strips join course inside edge laminated 1/56 x -in spine present juncture Once strip formers have cut piece should separate wax mold difficulty prob lems however carefully slip piece surgical silk other high-strength thread between wax mold piece WHITE FORMATION LIIACTSLISPROIl BASIC 11111 CROSS SECTION ALL RIBS ARE 1/16 SQ/11J TEIlBUSATOR SPAR LOCATINE- 51111 EAROI ROIL OUTLIBE 1L 565TH FOREST OREER E1EVAT 111114 TAB FlF SFSib __ ps P-2A F-S WING -REPLACE NOSE BLISTER Slim PINE P110 CARVESii5--ID SHAPE FOR FLYING1511N GEAR LOCATICt1X POWER FOUR STRAROS NE SPAISES 5/A FLAT ROARER TNG 40 LOOPS PER INNER AND INE 06 lOOPS1/lA BIlGES STAS PER OUTER ROCELLETIIRROIAIOR SPARH FlAIR STRB~ EC LOC FL 4511 lull TINE I' LISP EARl FONESI 01121 UPTON1/LA URRET LEASING GENE SPARIN 1/A SO 121101W LOGEt4OW ClITLINE 1/16 EQ6AWA2~AMGE1lL FORGET SPEBIILINE- LIEAR-EPRROTION0 1/RAh/I6 TRAILING ROSE LIGHT EARTHSCALE OUTLINET SlOW LOCATICI4 '11UPLO OJYLINE -10 FhSIP 12 WING LOU FSOFlIPIS CALL LTIERS LIGHT TINEI PB P11P1-12 ENNIOSU&Io PACTRA SCALE RIRSEL PLATE BRICK RAR 514-BFABRIC TELLL11d SN PRIMER WHITE 016S OSTER TURBULATGH SPAR NAVY BINE 554-S ASS S/A SHEET BASE TO REAR NE 121151110 GENE 110101 WI 110101 101L0 C2Z2IZiZiZZiIIIIIIIIZEjZI AND LPARIAPJE ie P& SOAKING 1/35 SHEET WRAPPED OUR FUR ANO GIllS WITh TIIINI4BD WUTE1/16 SHEET ALlIS 2 LPTEIW IRISR IUSIAIOR SPAP---------------- thread should drawn down length piece pressure against mold until completely separated careful pressure exerted string toward mold avoid breaking piece Join two pieces assembly centers using Titebond glue Slip paper clips over spines hold halves together glue drying work may sound tedious once master technique will find fun important produces extremely lightweight yet strong fuselage nacelle Wing Aside hollow triangular main spar molded leading edge wing structure conventional crack rib design trust requires little ex planation tail surfaces similarly simple wing constructed two sections joined fuselage Lightweight sheet balsa should used sparingly gussets structural rein forcement joints involved Lan caster built entirely extremely 96 Model Aviation LI LL FISH Normans 1984 PAC Nats Lancaster flight team Chris wife Linda expecting Patrick Dennis Helpers spanned three generations aUthors father drew plans Full-Size Plans Available. See Page 188 met vital criterion me distance between peg hook of respective nacelles motors Flying prototype Lancaster flown lubricated braided back windon two loops FAI rubber cut ing slightly shorten stiffen length three one-half times Continued page 181 June1987 97 CENTFOL TORQUE ARISE NICHE TAMEST _____-AILERONID4 ALL PROPS ROD DCVITNMOSE CARON PROEL LINE FOSS? ~ 1/BoI/4 TRAILING EDGEPROPS ONLY ~EDRUSTj1jOEEAIWUSEPILOT OtTER FINE POIRRE PEIMIANEAP FLYING PROPS AND SC-UP PRO SCALE OQULINEI- I3 5-3 14 -30-0-C 0-DO-iII2 114IS__ IA371 SCALELINEBALSA IRONS NACELLE NOWSHADED AREA NEIRWED ______________SETh ________________________MODEL ________________________TO ________________________PLY SMOLESETLINE RARER AREA- R JOIREINO TO WINS ON JOININGWING-- NOPSSPINNEOSM 0 NEEC RAM Il12104IATA17BDR/ LACEPMTMAONI SMITE ISDA 10 D-9SIDE VS NNE:B SIA AUJN -Y PAT BLOCS UDDER EPAN SliDE ABBE PRO 7iW IONS4RNELUyI --ALA EUTLIND-- STAB\ tL -iIZMIlL-PACTRA NAVY IRTALLIC GREY SB- BLACK IASTATIC DISPLAY NIL K\s~TA TIA-SERDIO MAIN SlIESt ENGINEERSALDEEN CRITLIONI LOOIINATER FLIGRO D SHEET STAN SUPPOSE PANEL -IAP-Si flFRONTUS PANELPRM4 D/35xIIA SITUP ADORNS JjJJflIAFxj~4WAXES 1/S ROES BALSA PATEERN --1MOWS POD VOCULNO FORMED PASTS DSIDEPFNEREE TTGP vI --~ NODESCRIPTIDNppj p-LISA PLY NOSE IL _____1 . NODE BLISTER1/3D WIRE INAPT -10F-1420~-- . NESS VENTILATOR PAIRINGSI 3 TiERSSIKA~ SYLYRI SEARING SERIAL SEAMERI-RIIDSER LOCAT4 . TOANS RINSE PAIRING.. 3/B SALSA NOSE F TIONSS CACAPIT CANOPY1 WE&1LROLDORI AS 5110511 CANOPY RISE BLISTER IRS ________________________________________________O CANER SIDE BLISTER LI A SQ ERR ACANOPY TOP BLISTER 1 BLACE-SEAR TIDE---0ASTONE1/32 SIREET ISDORSAL TONBYC PAIRINGS ISDORSAL TERRE1TSROISER NON TOP 0-lENT T12TAIL TERREIS/IA OBESE TAITIEREP BASE --S{13CARTRIDGE CEOTO TAIL0TORSION RON SIDE NOtAN 5110511fY\14 IC-LAOXYGER MASK1/3D EBOXI ERIIRER SD10-DAPLANS DOWER lANDIS -BTORODOB BOX RATER OCALE SETLINELUF~ ABID COAT 010 LITE-CEATAVNO P14P1V'"1F117CASROBEIOR INTANEBTWO D/SDx1/IA BAWD MOW SETLINE~- FINMAIN SEAR DOORS DROBLE4STRIRS LN4INAIRD ARCHES FOXED TAIL SEIEEL -I-4II 019NR1IGDYION LIERT SlING2ROARS FIISELAGE 00W __--9 Tss-s 14 T OSPOBRRTIDN LIGhT 1411102JAPANESE TISSUE - 4 D 4 --DlIRRIERWIMO BLISTERA TA WIND MAIN_SPAR C_NRSDIREDIZ______________________________________ 22 RREL NUB4 OSSELAGE CROSS SECTION AT FB 1-S1-PL. ]i/a DCALE RUBBNR POWDERS VNR SJ[ Lii ____________________________I/1A OUTER MAINSPAS D REED-J J SOPS TO PAINE DOUD NCASTES _____________ IIRDENEIDES BLACKJAPANESE TISSUEDESIGNED SY DENNIS 0 NO REDS RORIZD/1A INGEE MAIN SPARROODE7 TEPSIDNIROSTRA SCALE MODELFLATS ,,DRAWN B DENNIS 0 NORMAN _______2ENT21-S21-PLIRBIT EARTN SE-lB LYDIEC CON NY MEARL NORMAN J FOREST ERFOR 511-5 LIOST COAT EROTEIJORORT PANELJANUARY 33 lORDNIlNSRNIINNSI light contest-grade balsa Micro-X Products PO Box 1063 Lorain OH 44055 216/282-8354 Great care must used select strongest lightest balsa available Micro-X has always two pictures lay restthe old adagethat beauty skin deep ltdefinitely goes wayto bones Using crackedrib method wing construction male molds detailed text form naceiles fuselage just basic require ments making four-engined rubber model flyable shots detail magnitude thisefforteven finished product RIGHT! LATHATS MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LOCAL HOBBY SHOP CaU Parts PeoPAL z4 c P 0 Box 26247 New Orleans LA 70186 42-5967 happening around town Spreading word through vehicles visibly increases number spectators come watch contest event makes few people aware club hobby Special event flyers traditional con test information sheet distributed club sponsoring contest written AMA rule book language benefit contestants also produce sep arate announcement written laymans terms invite spectators come watch contest participate seminar include name phone number club member contact additional formation announcements placed bulletin boards high-traffic areas such shopping malls public li braries hobby shop windows etc Display window exhibits obtained permission put Control Line model exhibit information placards local shopping malls unused display case display place two weeks promote upcoming contest exhibit attracted much atten tionit display far longer could have sustained manned mall show mall merchants demanded allowed use previously unwanted display case Doing window exhibit gave us exposure such numbers people eager anotherbut still waiting display case become available again Entry-level Control Line events stant modeler masters first Control Line trainer joins ranks sport flier point participating contest other club members seems far beyond grasp bridge gap Norfolk Aeromodelers include entrylevel event contest effective event must anyone can fly using simple off-theshelf items popular entry-level event Profile Sport Scale rules appeared April 1984 Model Aviation page 73 Anyone can fly profile replica full-scale aircraft 10 laps can compete profile Control Line kits pat terned after full-scale prototype Some like Sig Shoestring Sterlings ginner Series make good Control Line trainers permitting someones first model also entered first contest Fea turing entry-level event contest gives new flier something look ward maintaining interest en thusiasm bridges gap between sport contest flying builds confidence summarize efforts produced results aimed Club membership continues grow number active fliers has doubled father-and-son fly ing team first flew club trainer two years ago now among ag gressive Combat fliers Some people built first model recreation center now regulars join us Sunday local hobby shop has Control Line merchandise store owner quick point out new Control Line kits just went onto shelf doesnt mean promotion efforts have stopped realize thing put action got us now want keep way Promoting sport evolutionary process always refinement needs addedlike car pool get Junior modelers club field thats problemno challengethe Norfolk Aeromodelers will gladly deal responding advertisers mention read about ModelAviation SAFE FLYING IS NO ACCIDENT losing energy represented considerable length Seven-inch SleekStreak propellers cut down di ameter 6 prototype Only two-bladed props have used thus far fly model flying three-bladed props will add realism fully-wound motors temporarily held place placing 810-in length 1/32 piano wire vertically through nacelle pass through wire hook prop assembly hook bent lower end pin pins themselves can attached through hookeyes imbedded appropriate spacings piece 1 x 2-in pine strip motors wound pine strip pulled down vertically plane simultaneously removing pins prop assemblies action per mits motors unwind model launchedhorizontally firmlyinto prevailing breeze its best model aviation captures beauty excitement manmade flight fragile replica spark historys great aircraft rekindled Sugar Pu p/H ux Continued page 105 Cutting board aid cutting foam blocks special angle cuts will need cutting board board made 3-ft-sq sheet -in plywood sheet must flat true Using triangle ensure accuracy attach 12-in polished hardwood strips end 900 board 3 edge Use 1-in blocks under board gusset strips Also attach two wood strips 300 cutting tip angles Draw line June 1987 181 &U II £HEAP!CH EAP Lancaster/Norman Continued page 97