This scaled-down version 1938 design great RC-As fun flier can built lightly 1/2A Texaco Old-Timer competitions 049 engines two-channel controls Dee B Mathews FHE EARLIEST RULES governing ompetition models internal com engines based fuel allot ment Engine runs limited try reduce alarming number fly-aways being experienced contests Generally fuel allotted based models weight Texas Oil Co donated per petual trophy winner annual National Model Airplane Championships Tkeres nothing pretty sunshine coming ough transparent coveringin case noKote Simple lines Kloud King umbined good proportions make ttractive Old-Timer day fuel allotment events Society Antique Models SAM compe titions referred Texaco RC Texaco currently flown uses oz fuel pound model weight -oz maximum Some local contest rules further reduce allotment /8 oz winning times still often excess hour thermals present Eligible designs under SAM rules published kitted prior 1939 Lanzo Record Breaker Ehling Contest Winner Dallaire other seven eight-foot models predominating obvious inconvenience transporting storing such large models coupled large expenditure required motivated SAM 49 Chapter members other West Coast Old-Timer fliers develop Texaco event models first contest held Taft CA December 5 1979 part 49ers annual contest Since time concept has swept country rapidly earning itself position popu larity low cost highly enjoyable RC Old-Timer activity present co rather loosely structured low key fly-for-fun event current rules minimum wing loaling 8 oz per sq ft no major alter ation original designs moments airfoil mandatory use Cox reed-valve engine Events run simply having contestant fill standard Cox tank fire up engine launch Timing usually total three flights some local varia tion what constitutes attempt etc Its simple event organize administer important enter writers opinion Texaco ideal entry point world Old-Timer RC competi tion As added benefit little models also excellent sport fliers became aware proposed AA Texaco concept naturally decided try hand Since few plans kit available early months 1980 opted design build own Since Mickey DeAngelis Kloud King first Old-Timer con verted RC writer published July 1975 ModelAviation Vol 1 No1 holds special spot heart therefore logical choice arbitrarily scaled down 300 sq turned out rather good choice average size fliers using didnt have micro radio system opted use pair 1 2-oz Cannon servos four-channel receiver 225 mAh battery micro systems would save approximately 35 oz weight /iA Kloud King performs very well came out Tbe original Kloud King designed Mickey DeAngelis 1938 Powered Brown Junior engine set endurance record 10 mm 43 sec Mercer CHUCK WOOD Hank Clark I/B SO BALSA LE AND DIAGONALS FIN BASE INTO STABILIZER SLOT I/B SHEET LE JCANER 1k h / I/B SHEET BALSA RUDDER FRAMES CAN BE SOLID I/16MIMRE ELEVATOR JOINER I/B X 1/4 SPARS II/BSQ TE K 1/16K 1/8 STRINGERS I/B X 1/4 SPRUCE WING SUPPORTS WIRE ONT EDGE I/BOO WEL WING HOLD DOWNS 1/16 SHEET FORMERS 7 1/850 L E 8 BRACES 1/850 SPRUCE LONGERctJS TOP AND BOTT NYROD GUIDES 1/16 X I/B BALSA DIAGONALS I/BSHEET TIPS MONOKOTE HINGES /8 LITE PLY lOP BRACE FOR FORRA ON I/BX3/BVERTEALS 1/2 ENGINE COK ORC FOR SPORT / N BALSA BLOCK FORMS 3/16 SHEET BALSA NOSE CROSS 4 GRAIN 3/16 PLYWD FIRE WALL NOTCHED INTO SIDES 1/16 MUSIC WIRE LG STRUTS Ill 7 I/B LITE PLY CROSS BRACES ON I/B SO SPRUCE FORMERS 1/BK 1/4 SUPPORtS FOR SERVO TRAY I/B POPLAR LITE PLY SIDES FROM NOSETO LONGERON I/BX L4 SPRUCE NOTCHED INTO PLY I/32PLY BOlTOM FROM NOSE TO LONGERON I/BDOWEL LGTIEON I/B BALSA STA FRAMES 3/16K 3/4BALSATESTOCK SHEET BALSA RIBS I/B SO SPRUCE SRRS 2 FRONT 2 REAR I/4KI/2BALSA LEDGE 3/32 BALSA TIP FORMS I/B BALSA TIP FILLERS 2 1/4 WHEELS HEY OLD BUDDY t2UREHANK VERV INDUSTRIOUSLOOK- Li BUILD iT 6IMME TIME SALIVATIN THOSE ARE OILY P1KDO-IT-YOURSELF TYPEFIRST GOlTA FIX THE LAKE ROOFOF P/C SCALE SI-lOT IN FRBCOYOUE VERY LAZVI GOTTA FINISH TI-IE DECK NOT SLICK CHICKS E5UILDfpI GOTTA FIXTHE CAR TELL- BOY THEI GOITA ILLU5TRA1T-A THINGS THEY BUILD / - TOIIAYCANDRNE YOU NIAD 5M01 65OSANtJIVSTAN BULLS CURTiSS FALCON\OFFBE1TERN CABIN FRONT TOP FILLER 1/2ATexacoarelativelynewSAM event israpidlygrowingln popularityUse either solid wood elevators buHt-up onesplans 5flOW Doin Its inexpensive engines readily available great funmethods Servo connections simple nylon rods tubes Airport Trenton NJ May 22 1938 DeAngelis designs Trenton Terror another notable simple func tional strong construction excellent fliers converted slightly strengthened Kloud King presented very first issue reborn ModelAviation became very popular has MAs best selling plans years design 15 19 engines has likely introduced modelers world Old-Timer RC-Assist other wonder chose base co Kloud King design Construction As prototype de signed developed primarily sport model opted employ t elevators rudder simplicity rapid con struction Should prospective builder wish absolute minimum weight have drawn optional built-up structure Addi tional weight could trimmed model substituting balsa spruce fuselage longerons would produce rather tender structure Substitution balsa sheet Ply forward section would self-defeating model likely would tail-heavy require ballast balanced properly ballast absolutely authentic AA Kloud King should have bent wire landing gear However ready-made HalIco B 105-1 satisfactory sport model majority local contests probably no will mind primary adhesive used constructing model cyanoacrylate CA such Hot Stuff Jet Zap slots cut wing trailing edge diagonal ribs tail surfaces designed increase wetted surface CA flow Five-minute epoxy used firewall installation adhere ply dihedral gussets Wing Since wing construction will generate some short lengths alsa can used other units model advise starting Develop master ply wing rib pattern tracing plans Cut 18 blanks light 1/16 C-grain balsa stack-cut ribs jigsaw carving wing tips rough-cut inside outline glued together sit top lower spars steps assembly follows Notch trailing edge stock -in deep rib locations pin place over plan Pin bottom spars place Glue tip section onto bottom spars Place ribs tilt ing inboard rib angle guide Place leading edge stock shims adhere rib faces Place upper spars notches adhere CA Note upper spars terminate cut-down tip rib center section can built place left wing Cut loose after assembly Fill tip -in scrap shown tip detail drawing gussets also cut -in scrap Remove panel building board block up tip 2 inside rib flush against flat surface Sand bevel block inside rib has angled properly spars trailing leading edges should require contour ing Carve sand leading edge stock shape Use cardboard pattern shape tips Build left wing panel same way join center section fiveminute epoxy course dihedral should blocked up before gluing Clothes pins good clamping Using hacksaw blade held tightly against spar faces cut slot through two double ribs first step installing full-depth dihedral brace Place section / 16 ply about 6 long slot draw outline spars onto ply Remove cut out Using clothespins clamps epoxy ply dihedral brace onto spars rib slots Final-sand roughness wing preparation covering strongly recommend either MonoPre-bent aluminum landing gear used authors model rubberbanded shock protection Wire gear per original shown plan Cannon EC-4 servos 225 mAh battery used prototype lighterweight servos could usedbut needed fun flying 48 Model Aviation Kote Coverite Micafilm lightness durability weight strong factor consider using colored Japanese tissue clear dope Tail Surfaces Perhaps difficult thing to decide whether go lightweight built-up surfaces simple sheet balsa Once decision has reached fabrication very straightforward Only fin slot music wire connector slightly unusual strongly recommend MonoKote hinges i-in thick structures conventional slotted hinges will likely weaken wood severely needed two sections MonoKote heat-sealed along sticky edge lapping about -in section scrap wood underneath applied surfaces over-and-under pattern Since color hinge material matches covering presuming Mono Kote used theyre nearly invisible also remarkably strong usually last longer model have used MonoKote hinges rudder fullbore 60-size Pattern job obviously adequate model size Fuselage Cut out firewall Lite Ply sides Formers B constructed directly over plan Lite Ply cuts easily sharp model knife bulkheads assemble very quickly use CA adhesive Drill firewall 3-48 olind nuts now Dont use wood screws Build two identical sides over other classic manner Remove sides check fit bulkheads slots Return right side plans pin flat Glue three bulkheads side checking carefully squareness Allow adhesive set Carefully position left frame Check alignment glue bulkheads Place weight over side hold firmly place block up tail post exactly above building board measured its bottom edge Cut cross members using top view guide should developed pairs Position glue cross members remove unit board bulkheads square tail post measured accurately will true frame dimensions prefer cut out turtledeck formers marks appropriate Continued page 134 174 72 LEASING EDGE CARVE TO STIAPE AFTER ASSEMBLY TILT BIB WITR JIR WING PLAN LEFT VT SO SIDE 2 716 RIBS 3714 374 TE 837CC OP 17R FOR WASBQJT 178 BALSA FILLERSBOTR W NO TIPS174 72 CE TAPER BOTTOM SPARS TO TIP 3732 OBEET TIP SET ON TOP OF SPARSFUSELAGE TOP VIEW 3714 WINO DOWELS.n WIRE RBBER BAND PROTECTOR YE 7 1 ALL WOOD IS BALSA ONLESS SPECIFIED 176 C ORAIN BALSA RIBS B PESO RED 74 SD SPARS VIA PLY BBAEE GEE PERTY AROSESBRN BIDE AP" CALIR3D5ThiP8BREBER AFTER SEALINGBALSA SBBR SCRAP PLY SIBED6AL JIG ER GUSSETS 7 B AR LEG FRONT LEG WRAP WIOBAlE MUSIC WIRE CC CAPPER WIRE________ TREN SSIGERIBALLER RIDS-I OSED ON PROTOTYPE PB GUSSETS N CIA PLY SEE TEST 1716 RIBS NOTEF C E 174 FOR BS FTP RIB CONS bJ 0 C 1716 174 STRINGERS -]TOP RIEWNRBU BERAD oNG _____HIII _______________z 1i PEAEES-Ut" II4 lIPR SBEET -a PB C 0 DOWELS__________________I/B CT PLY W 174 55 SPRUCE TOPI/B 174 3716 SPEETTOPz ONJISIEW 1741 DUB PLASTIC- CIORT PR NOTE VRSS KSSSPARS NOSE ALDERVBV4 SPRUCE 724 ENOMASA 716 OBEET TURTLE DECE POBMERSINTOP B BOTTOM ALDER CA-STRINGERS ARE vIE 74STRINGERS BAYTRUD INTO I/B SO BI-- CJT 44SET "CT WE 043 LRUDDERS JDi RECEIVERLB TGE 174 ORFET jALF04ALRUB-S BR MEDILAI BOBNG7 BAIT 7A I/B.B MONOROTE BINGES 3732 SBEET WING TIPS RATTERO OROR ANTI 15 P0421'RU DEl S I/B SDNYRDE EDIT DEW TO SCRAPFIN SLOT LOCATE BE30 SUITROYB SIDESPLY 1737 PLY7 U-DRAIN- 0 SPRUCE ROTYDRI ONGERONS ABILIZER 174 ODWEPLABFUSELAGE SIDE VIEW PLY TO BEPEFIREWALL12 K LOUD KING___- 174 POWER COO ONE FEW RISANT ENDON M DE ANGELIS DESIGN 938s- Li WITB 3ARBASEDLLVINmfl -ALACC WIDOWBOLT B BLINDREDUCED 8 MODERNIZED FOR I/S OLD OR COSADNUTSTIMER EVENT BY DR DR MATHEWS SPAN 43 CHORD 7V2 -AREA 300 50 INOIJERNATEJ/BLCONNECTORLIGHT WEIBAT PEER CONOT 2174 WRUELSGELWEIGHT 02 IMIN1 22 02SBEET ELEVATORTRACING BY JOE DEMARCO January 1983 49 authors favorite method wing Construction sheet tips Cut outline after assembly four spars solid strip leading trailing edges result simple strong lightweight wing 3732 GREET _________ 3732SBECT 272 DoEDRAL EACT WINO TIP N N 0 a Co -o en 03 N Cd U
Edition: Model Aviation - 1983/01
Page Numbers: 46, 47, 48, 49
This scaled-down version 1938 design great RC-As fun flier can built lightly 1/2A Texaco Old-Timer competitions 049 engines two-channel controls Dee B Mathews FHE EARLIEST RULES governing ompetition models internal com engines based fuel allot ment Engine runs limited try reduce alarming number fly-aways being experienced contests Generally fuel allotted based models weight Texas Oil Co donated per petual trophy winner annual National Model Airplane Championships Tkeres nothing pretty sunshine coming ough transparent coveringin case noKote Simple lines Kloud King umbined good proportions make ttractive Old-Timer day fuel allotment events Society Antique Models SAM compe titions referred Texaco RC Texaco currently flown uses oz fuel pound model weight -oz maximum Some local contest rules further reduce allotment /8 oz winning times still often excess hour thermals present Eligible designs under SAM rules published kitted prior 1939 Lanzo Record Breaker Ehling Contest Winner Dallaire other seven eight-foot models predominating obvious inconvenience transporting storing such large models coupled large expenditure required motivated SAM 49 Chapter members other West Coast Old-Timer fliers develop Texaco event models first contest held Taft CA December 5 1979 part 49ers annual contest Since time concept has swept country rapidly earning itself position popu larity low cost highly enjoyable RC Old-Timer activity present co rather loosely structured low key fly-for-fun event current rules minimum wing loaling 8 oz per sq ft no major alter ation original designs moments airfoil mandatory use Cox reed-valve engine Events run simply having contestant fill standard Cox tank fire up engine launch Timing usually total three flights some local varia tion what constitutes attempt etc Its simple event organize administer important enter writers opinion Texaco ideal entry point world Old-Timer RC competi tion As added benefit little models also excellent sport fliers became aware proposed AA Texaco concept naturally decided try hand Since few plans kit available early months 1980 opted design build own Since Mickey DeAngelis Kloud King first Old-Timer con verted RC writer published July 1975 ModelAviation Vol 1 No1 holds special spot heart therefore logical choice arbitrarily scaled down 300 sq turned out rather good choice average size fliers using didnt have micro radio system opted use pair 1 2-oz Cannon servos four-channel receiver 225 mAh battery micro systems would save approximately 35 oz weight /iA Kloud King performs very well came out Tbe original Kloud King designed Mickey DeAngelis 1938 Powered Brown Junior engine set endurance record 10 mm 43 sec Mercer CHUCK WOOD Hank Clark I/B SO BALSA LE AND DIAGONALS FIN BASE INTO STABILIZER SLOT I/B SHEET LE JCANER 1k h / I/B SHEET BALSA RUDDER FRAMES CAN BE SOLID I/16MIMRE ELEVATOR JOINER I/B X 1/4 SPARS II/BSQ TE K 1/16K 1/8 STRINGERS I/B X 1/4 SPRUCE WING SUPPORTS WIRE ONT EDGE I/BOO WEL WING HOLD DOWNS 1/16 SHEET FORMERS 7 1/850 L E 8 BRACES 1/850 SPRUCE LONGERctJS TOP AND BOTT NYROD GUIDES 1/16 X I/B BALSA DIAGONALS I/BSHEET TIPS MONOKOTE HINGES /8 LITE PLY lOP BRACE FOR FORRA ON I/BX3/BVERTEALS 1/2 ENGINE COK ORC FOR SPORT / N BALSA BLOCK FORMS 3/16 SHEET BALSA NOSE CROSS 4 GRAIN 3/16 PLYWD FIRE WALL NOTCHED INTO SIDES 1/16 MUSIC WIRE LG STRUTS Ill 7 I/B LITE PLY CROSS BRACES ON I/B SO SPRUCE FORMERS 1/BK 1/4 SUPPORtS FOR SERVO TRAY I/B POPLAR LITE PLY SIDES FROM NOSETO LONGERON I/BX L4 SPRUCE NOTCHED INTO PLY I/32PLY BOlTOM FROM NOSE TO LONGERON I/BDOWEL LGTIEON I/B BALSA STA FRAMES 3/16K 3/4BALSATESTOCK SHEET BALSA RIBS I/B SO SPRUCE SRRS 2 FRONT 2 REAR I/4KI/2BALSA LEDGE 3/32 BALSA TIP FORMS I/B BALSA TIP FILLERS 2 1/4 WHEELS HEY OLD BUDDY t2UREHANK VERV INDUSTRIOUSLOOK- Li BUILD iT 6IMME TIME SALIVATIN THOSE ARE OILY P1KDO-IT-YOURSELF TYPEFIRST GOlTA FIX THE LAKE ROOFOF P/C SCALE SI-lOT IN FRBCOYOUE VERY LAZVI GOTTA FINISH TI-IE DECK NOT SLICK CHICKS E5UILDfpI GOTTA FIXTHE CAR TELL- BOY THEI GOITA ILLU5TRA1T-A THINGS THEY BUILD / - TOIIAYCANDRNE YOU NIAD 5M01 65OSANtJIVSTAN BULLS CURTiSS FALCON\OFFBE1TERN CABIN FRONT TOP FILLER 1/2ATexacoarelativelynewSAM event israpidlygrowingln popularityUse either solid wood elevators buHt-up onesplans 5flOW Doin Its inexpensive engines readily available great funmethods Servo connections simple nylon rods tubes Airport Trenton NJ May 22 1938 DeAngelis designs Trenton Terror another notable simple func tional strong construction excellent fliers converted slightly strengthened Kloud King presented very first issue reborn ModelAviation became very popular has MAs best selling plans years design 15 19 engines has likely introduced modelers world Old-Timer RC-Assist other wonder chose base co Kloud King design Construction As prototype de signed developed primarily sport model opted employ t elevators rudder simplicity rapid con struction Should prospective builder wish absolute minimum weight have drawn optional built-up structure Addi tional weight could trimmed model substituting balsa spruce fuselage longerons would produce rather tender structure Substitution balsa sheet Ply forward section would self-defeating model likely would tail-heavy require ballast balanced properly ballast absolutely authentic AA Kloud King should have bent wire landing gear However ready-made HalIco B 105-1 satisfactory sport model majority local contests probably no will mind primary adhesive used constructing model cyanoacrylate CA such Hot Stuff Jet Zap slots cut wing trailing edge diagonal ribs tail surfaces designed increase wetted surface CA flow Five-minute epoxy used firewall installation adhere ply dihedral gussets Wing Since wing construction will generate some short lengths alsa can used other units model advise starting Develop master ply wing rib pattern tracing plans Cut 18 blanks light 1/16 C-grain balsa stack-cut ribs jigsaw carving wing tips rough-cut inside outline glued together sit top lower spars steps assembly follows Notch trailing edge stock -in deep rib locations pin place over plan Pin bottom spars place Glue tip section onto bottom spars Place ribs tilt ing inboard rib angle guide Place leading edge stock shims adhere rib faces Place upper spars notches adhere CA Note upper spars terminate cut-down tip rib center section can built place left wing Cut loose after assembly Fill tip -in scrap shown tip detail drawing gussets also cut -in scrap Remove panel building board block up tip 2 inside rib flush against flat surface Sand bevel block inside rib has angled properly spars trailing leading edges should require contour ing Carve sand leading edge stock shape Use cardboard pattern shape tips Build left wing panel same way join center section fiveminute epoxy course dihedral should blocked up before gluing Clothes pins good clamping Using hacksaw blade held tightly against spar faces cut slot through two double ribs first step installing full-depth dihedral brace Place section / 16 ply about 6 long slot draw outline spars onto ply Remove cut out Using clothespins clamps epoxy ply dihedral brace onto spars rib slots Final-sand roughness wing preparation covering strongly recommend either MonoPre-bent aluminum landing gear used authors model rubberbanded shock protection Wire gear per original shown plan Cannon EC-4 servos 225 mAh battery used prototype lighterweight servos could usedbut needed fun flying 48 Model Aviation Kote Coverite Micafilm lightness durability weight strong factor consider using colored Japanese tissue clear dope Tail Surfaces Perhaps difficult thing to decide whether go lightweight built-up surfaces simple sheet balsa Once decision has reached fabrication very straightforward Only fin slot music wire connector slightly unusual strongly recommend MonoKote hinges i-in thick structures conventional slotted hinges will likely weaken wood severely needed two sections MonoKote heat-sealed along sticky edge lapping about -in section scrap wood underneath applied surfaces over-and-under pattern Since color hinge material matches covering presuming Mono Kote used theyre nearly invisible also remarkably strong usually last longer model have used MonoKote hinges rudder fullbore 60-size Pattern job obviously adequate model size Fuselage Cut out firewall Lite Ply sides Formers B constructed directly over plan Lite Ply cuts easily sharp model knife bulkheads assemble very quickly use CA adhesive Drill firewall 3-48 olind nuts now Dont use wood screws Build two identical sides over other classic manner Remove sides check fit bulkheads slots Return right side plans pin flat Glue three bulkheads side checking carefully squareness Allow adhesive set Carefully position left frame Check alignment glue bulkheads Place weight over side hold firmly place block up tail post exactly above building board measured its bottom edge Cut cross members using top view guide should developed pairs Position glue cross members remove unit board bulkheads square tail post measured accurately will true frame dimensions prefer cut out turtledeck formers marks appropriate Continued page 134 174 72 LEASING EDGE CARVE TO STIAPE AFTER ASSEMBLY TILT BIB WITR JIR WING PLAN LEFT VT SO SIDE 2 716 RIBS 3714 374 TE 837CC OP 17R FOR WASBQJT 178 BALSA FILLERSBOTR W NO TIPS174 72 CE TAPER BOTTOM SPARS TO TIP 3732 OBEET TIP SET ON TOP OF SPARSFUSELAGE TOP VIEW 3714 WINO DOWELS.n WIRE RBBER BAND PROTECTOR YE 7 1 ALL WOOD IS BALSA ONLESS SPECIFIED 176 C ORAIN BALSA RIBS B PESO RED 74 SD SPARS VIA PLY BBAEE GEE PERTY AROSESBRN BIDE AP" CALIR3D5ThiP8BREBER AFTER SEALINGBALSA SBBR SCRAP PLY SIBED6AL JIG ER GUSSETS 7 B AR LEG FRONT LEG WRAP WIOBAlE MUSIC WIRE CC CAPPER WIRE________ TREN SSIGERIBALLER RIDS-I OSED ON PROTOTYPE PB GUSSETS N CIA PLY SEE TEST 1716 RIBS NOTEF C E 174 FOR BS FTP RIB CONS bJ 0 C 1716 174 STRINGERS -]TOP RIEWNRBU BERAD oNG _____HIII _______________z 1i PEAEES-Ut" II4 lIPR SBEET -a PB C 0 DOWELS__________________I/B CT PLY W 174 55 SPRUCE TOPI/B 174 3716 SPEETTOPz ONJISIEW 1741 DUB PLASTIC- CIORT PR NOTE VRSS KSSSPARS NOSE ALDERVBV4 SPRUCE 724 ENOMASA 716 OBEET TURTLE DECE POBMERSINTOP B BOTTOM ALDER CA-STRINGERS ARE vIE 74STRINGERS BAYTRUD INTO I/B SO BI-- CJT 44SET "CT WE 043 LRUDDERS JDi RECEIVERLB TGE 174 ORFET jALF04ALRUB-S BR MEDILAI BOBNG7 BAIT 7A I/B.B MONOROTE BINGES 3732 SBEET WING TIPS RATTERO OROR ANTI 15 P0421'RU DEl S I/B SDNYRDE EDIT DEW TO SCRAPFIN SLOT LOCATE BE30 SUITROYB SIDESPLY 1737 PLY7 U-DRAIN- 0 SPRUCE ROTYDRI ONGERONS ABILIZER 174 ODWEPLABFUSELAGE SIDE VIEW PLY TO BEPEFIREWALL12 K LOUD KING___- 174 POWER COO ONE FEW RISANT ENDON M DE ANGELIS DESIGN 938s- Li WITB 3ARBASEDLLVINmfl -ALACC WIDOWBOLT B BLINDREDUCED 8 MODERNIZED FOR I/S OLD OR COSADNUTSTIMER EVENT BY DR DR MATHEWS SPAN 43 CHORD 7V2 -AREA 300 50 INOIJERNATEJ/BLCONNECTORLIGHT WEIBAT PEER CONOT 2174 WRUELSGELWEIGHT 02 IMIN1 22 02SBEET ELEVATORTRACING BY JOE DEMARCO January 1983 49 authors favorite method wing Construction sheet tips Cut outline after assembly four spars solid strip leading trailing edges result simple strong lightweight wing 3732 GREET _________ 3732SBECT 272 DoEDRAL EACT WINO TIP N N 0 a Co -o en 03 N Cd U
Edition: Model Aviation - 1983/01
Page Numbers: 46, 47, 48, 49
This scaled-down version 1938 design great RC-As fun flier can built lightly 1/2A Texaco Old-Timer competitions 049 engines two-channel controls Dee B Mathews FHE EARLIEST RULES governing ompetition models internal com engines based fuel allot ment Engine runs limited try reduce alarming number fly-aways being experienced contests Generally fuel allotted based models weight Texas Oil Co donated per petual trophy winner annual National Model Airplane Championships Tkeres nothing pretty sunshine coming ough transparent coveringin case noKote Simple lines Kloud King umbined good proportions make ttractive Old-Timer day fuel allotment events Society Antique Models SAM compe titions referred Texaco RC Texaco currently flown uses oz fuel pound model weight -oz maximum Some local contest rules further reduce allotment /8 oz winning times still often excess hour thermals present Eligible designs under SAM rules published kitted prior 1939 Lanzo Record Breaker Ehling Contest Winner Dallaire other seven eight-foot models predominating obvious inconvenience transporting storing such large models coupled large expenditure required motivated SAM 49 Chapter members other West Coast Old-Timer fliers develop Texaco event models first contest held Taft CA December 5 1979 part 49ers annual contest Since time concept has swept country rapidly earning itself position popu larity low cost highly enjoyable RC Old-Timer activity present co rather loosely structured low key fly-for-fun event current rules minimum wing loaling 8 oz per sq ft no major alter ation original designs moments airfoil mandatory use Cox reed-valve engine Events run simply having contestant fill standard Cox tank fire up engine launch Timing usually total three flights some local varia tion what constitutes attempt etc Its simple event organize administer important enter writers opinion Texaco ideal entry point world Old-Timer RC competi tion As added benefit little models also excellent sport fliers became aware proposed AA Texaco concept naturally decided try hand Since few plans kit available early months 1980 opted design build own Since Mickey DeAngelis Kloud King first Old-Timer con verted RC writer published July 1975 ModelAviation Vol 1 No1 holds special spot heart therefore logical choice arbitrarily scaled down 300 sq turned out rather good choice average size fliers using didnt have micro radio system opted use pair 1 2-oz Cannon servos four-channel receiver 225 mAh battery micro systems would save approximately 35 oz weight /iA Kloud King performs very well came out Tbe original Kloud King designed Mickey DeAngelis 1938 Powered Brown Junior engine set endurance record 10 mm 43 sec Mercer CHUCK WOOD Hank Clark I/B SO BALSA LE AND DIAGONALS FIN BASE INTO STABILIZER SLOT I/B SHEET LE JCANER 1k h / I/B SHEET BALSA RUDDER FRAMES CAN BE SOLID I/16MIMRE ELEVATOR JOINER I/B X 1/4 SPARS II/BSQ TE K 1/16K 1/8 STRINGERS I/B X 1/4 SPRUCE WING SUPPORTS WIRE ONT EDGE I/BOO WEL WING HOLD DOWNS 1/16 SHEET FORMERS 7 1/850 L E 8 BRACES 1/850 SPRUCE LONGERctJS TOP AND BOTT NYROD GUIDES 1/16 X I/B BALSA DIAGONALS I/BSHEET TIPS MONOKOTE HINGES /8 LITE PLY lOP BRACE FOR FORRA ON I/BX3/BVERTEALS 1/2 ENGINE COK ORC FOR SPORT / N BALSA BLOCK FORMS 3/16 SHEET BALSA NOSE CROSS 4 GRAIN 3/16 PLYWD FIRE WALL NOTCHED INTO SIDES 1/16 MUSIC WIRE LG STRUTS Ill 7 I/B LITE PLY CROSS BRACES ON I/B SO SPRUCE FORMERS 1/BK 1/4 SUPPORtS FOR SERVO TRAY I/B POPLAR LITE PLY SIDES FROM NOSETO LONGERON I/BX L4 SPRUCE NOTCHED INTO PLY I/32PLY BOlTOM FROM NOSE TO LONGERON I/BDOWEL LGTIEON I/B BALSA STA FRAMES 3/16K 3/4BALSATESTOCK SHEET BALSA RIBS I/B SO SPRUCE SRRS 2 FRONT 2 REAR I/4KI/2BALSA LEDGE 3/32 BALSA TIP FORMS I/B BALSA TIP FILLERS 2 1/4 WHEELS HEY OLD BUDDY t2UREHANK VERV INDUSTRIOUSLOOK- Li BUILD iT 6IMME TIME SALIVATIN THOSE ARE OILY P1KDO-IT-YOURSELF TYPEFIRST GOlTA FIX THE LAKE ROOFOF P/C SCALE SI-lOT IN FRBCOYOUE VERY LAZVI GOTTA FINISH TI-IE DECK NOT SLICK CHICKS E5UILDfpI GOTTA FIXTHE CAR TELL- BOY THEI GOITA ILLU5TRA1T-A THINGS THEY BUILD / - TOIIAYCANDRNE YOU NIAD 5M01 65OSANtJIVSTAN BULLS CURTiSS FALCON\OFFBE1TERN CABIN FRONT TOP FILLER 1/2ATexacoarelativelynewSAM event israpidlygrowingln popularityUse either solid wood elevators buHt-up onesplans 5flOW Doin Its inexpensive engines readily available great funmethods Servo connections simple nylon rods tubes Airport Trenton NJ May 22 1938 DeAngelis designs Trenton Terror another notable simple func tional strong construction excellent fliers converted slightly strengthened Kloud King presented very first issue reborn ModelAviation became very popular has MAs best selling plans years design 15 19 engines has likely introduced modelers world Old-Timer RC-Assist other wonder chose base co Kloud King design Construction As prototype de signed developed primarily sport model opted employ t elevators rudder simplicity rapid con struction Should prospective builder wish absolute minimum weight have drawn optional built-up structure Addi tional weight could trimmed model substituting balsa spruce fuselage longerons would produce rather tender structure Substitution balsa sheet Ply forward section would self-defeating model likely would tail-heavy require ballast balanced properly ballast absolutely authentic AA Kloud King should have bent wire landing gear However ready-made HalIco B 105-1 satisfactory sport model majority local contests probably no will mind primary adhesive used constructing model cyanoacrylate CA such Hot Stuff Jet Zap slots cut wing trailing edge diagonal ribs tail surfaces designed increase wetted surface CA flow Five-minute epoxy used firewall installation adhere ply dihedral gussets Wing Since wing construction will generate some short lengths alsa can used other units model advise starting Develop master ply wing rib pattern tracing plans Cut 18 blanks light 1/16 C-grain balsa stack-cut ribs jigsaw carving wing tips rough-cut inside outline glued together sit top lower spars steps assembly follows Notch trailing edge stock -in deep rib locations pin place over plan Pin bottom spars place Glue tip section onto bottom spars Place ribs tilt ing inboard rib angle guide Place leading edge stock shims adhere rib faces Place upper spars notches adhere CA Note upper spars terminate cut-down tip rib center section can built place left wing Cut loose after assembly Fill tip -in scrap shown tip detail drawing gussets also cut -in scrap Remove panel building board block up tip 2 inside rib flush against flat surface Sand bevel block inside rib has angled properly spars trailing leading edges should require contour ing Carve sand leading edge stock shape Use cardboard pattern shape tips Build left wing panel same way join center section fiveminute epoxy course dihedral should blocked up before gluing Clothes pins good clamping Using hacksaw blade held tightly against spar faces cut slot through two double ribs first step installing full-depth dihedral brace Place section / 16 ply about 6 long slot draw outline spars onto ply Remove cut out Using clothespins clamps epoxy ply dihedral brace onto spars rib slots Final-sand roughness wing preparation covering strongly recommend either MonoPre-bent aluminum landing gear used authors model rubberbanded shock protection Wire gear per original shown plan Cannon EC-4 servos 225 mAh battery used prototype lighterweight servos could usedbut needed fun flying 48 Model Aviation Kote Coverite Micafilm lightness durability weight strong factor consider using colored Japanese tissue clear dope Tail Surfaces Perhaps difficult thing to decide whether go lightweight built-up surfaces simple sheet balsa Once decision has reached fabrication very straightforward Only fin slot music wire connector slightly unusual strongly recommend MonoKote hinges i-in thick structures conventional slotted hinges will likely weaken wood severely needed two sections MonoKote heat-sealed along sticky edge lapping about -in section scrap wood underneath applied surfaces over-and-under pattern Since color hinge material matches covering presuming Mono Kote used theyre nearly invisible also remarkably strong usually last longer model have used MonoKote hinges rudder fullbore 60-size Pattern job obviously adequate model size Fuselage Cut out firewall Lite Ply sides Formers B constructed directly over plan Lite Ply cuts easily sharp model knife bulkheads assemble very quickly use CA adhesive Drill firewall 3-48 olind nuts now Dont use wood screws Build two identical sides over other classic manner Remove sides check fit bulkheads slots Return right side plans pin flat Glue three bulkheads side checking carefully squareness Allow adhesive set Carefully position left frame Check alignment glue bulkheads Place weight over side hold firmly place block up tail post exactly above building board measured its bottom edge Cut cross members using top view guide should developed pairs Position glue cross members remove unit board bulkheads square tail post measured accurately will true frame dimensions prefer cut out turtledeck formers marks appropriate Continued page 134 174 72 LEASING EDGE CARVE TO STIAPE AFTER ASSEMBLY TILT BIB WITR JIR WING PLAN LEFT VT SO SIDE 2 716 RIBS 3714 374 TE 837CC OP 17R FOR WASBQJT 178 BALSA FILLERSBOTR W NO TIPS174 72 CE TAPER BOTTOM SPARS TO TIP 3732 OBEET TIP SET ON TOP OF SPARSFUSELAGE TOP VIEW 3714 WINO DOWELS.n WIRE RBBER BAND PROTECTOR YE 7 1 ALL WOOD IS BALSA ONLESS SPECIFIED 176 C ORAIN BALSA RIBS B PESO RED 74 SD SPARS VIA PLY BBAEE GEE PERTY AROSESBRN BIDE AP" CALIR3D5ThiP8BREBER AFTER SEALINGBALSA SBBR SCRAP PLY SIBED6AL JIG ER GUSSETS 7 B AR LEG FRONT LEG WRAP WIOBAlE MUSIC WIRE CC CAPPER WIRE________ TREN SSIGERIBALLER RIDS-I OSED ON PROTOTYPE PB GUSSETS N CIA PLY SEE TEST 1716 RIBS NOTEF C E 174 FOR BS FTP RIB CONS bJ 0 C 1716 174 STRINGERS -]TOP RIEWNRBU BERAD oNG _____HIII _______________z 1i PEAEES-Ut" II4 lIPR SBEET -a PB C 0 DOWELS__________________I/B CT PLY W 174 55 SPRUCE TOPI/B 174 3716 SPEETTOPz ONJISIEW 1741 DUB PLASTIC- CIORT PR NOTE VRSS KSSSPARS NOSE ALDERVBV4 SPRUCE 724 ENOMASA 716 OBEET TURTLE DECE POBMERSINTOP B BOTTOM ALDER CA-STRINGERS ARE vIE 74STRINGERS BAYTRUD INTO I/B SO BI-- CJT 44SET "CT WE 043 LRUDDERS JDi RECEIVERLB TGE 174 ORFET jALF04ALRUB-S BR MEDILAI BOBNG7 BAIT 7A I/B.B MONOROTE BINGES 3732 SBEET WING TIPS RATTERO OROR ANTI 15 P0421'RU DEl S I/B SDNYRDE EDIT DEW TO SCRAPFIN SLOT LOCATE BE30 SUITROYB SIDESPLY 1737 PLY7 U-DRAIN- 0 SPRUCE ROTYDRI ONGERONS ABILIZER 174 ODWEPLABFUSELAGE SIDE VIEW PLY TO BEPEFIREWALL12 K LOUD KING___- 174 POWER COO ONE FEW RISANT ENDON M DE ANGELIS DESIGN 938s- Li WITB 3ARBASEDLLVINmfl -ALACC WIDOWBOLT B BLINDREDUCED 8 MODERNIZED FOR I/S OLD OR COSADNUTSTIMER EVENT BY DR DR MATHEWS SPAN 43 CHORD 7V2 -AREA 300 50 INOIJERNATEJ/BLCONNECTORLIGHT WEIBAT PEER CONOT 2174 WRUELSGELWEIGHT 02 IMIN1 22 02SBEET ELEVATORTRACING BY JOE DEMARCO January 1983 49 authors favorite method wing Construction sheet tips Cut outline after assembly four spars solid strip leading trailing edges result simple strong lightweight wing 3732 GREET _________ 3732SBECT 272 DoEDRAL EACT WINO TIP N N 0 a Co -o en 03 N Cd U
Edition: Model Aviation - 1983/01
Page Numbers: 46, 47, 48, 49
This scaled-down version 1938 design great RC-As fun flier can built lightly 1/2A Texaco Old-Timer competitions 049 engines two-channel controls Dee B Mathews FHE EARLIEST RULES governing ompetition models internal com engines based fuel allot ment Engine runs limited try reduce alarming number fly-aways being experienced contests Generally fuel allotted based models weight Texas Oil Co donated per petual trophy winner annual National Model Airplane Championships Tkeres nothing pretty sunshine coming ough transparent coveringin case noKote Simple lines Kloud King umbined good proportions make ttractive Old-Timer day fuel allotment events Society Antique Models SAM compe titions referred Texaco RC Texaco currently flown uses oz fuel pound model weight -oz maximum Some local contest rules further reduce allotment /8 oz winning times still often excess hour thermals present Eligible designs under SAM rules published kitted prior 1939 Lanzo Record Breaker Ehling Contest Winner Dallaire other seven eight-foot models predominating obvious inconvenience transporting storing such large models coupled large expenditure required motivated SAM 49 Chapter members other West Coast Old-Timer fliers develop Texaco event models first contest held Taft CA December 5 1979 part 49ers annual contest Since time concept has swept country rapidly earning itself position popu larity low cost highly enjoyable RC Old-Timer activity present co rather loosely structured low key fly-for-fun event current rules minimum wing loaling 8 oz per sq ft no major alter ation original designs moments airfoil mandatory use Cox reed-valve engine Events run simply having contestant fill standard Cox tank fire up engine launch Timing usually total three flights some local varia tion what constitutes attempt etc Its simple event organize administer important enter writers opinion Texaco ideal entry point world Old-Timer RC competi tion As added benefit little models also excellent sport fliers became aware proposed AA Texaco concept naturally decided try hand Since few plans kit available early months 1980 opted design build own Since Mickey DeAngelis Kloud King first Old-Timer con verted RC writer published July 1975 ModelAviation Vol 1 No1 holds special spot heart therefore logical choice arbitrarily scaled down 300 sq turned out rather good choice average size fliers using didnt have micro radio system opted use pair 1 2-oz Cannon servos four-channel receiver 225 mAh battery micro systems would save approximately 35 oz weight /iA Kloud King performs very well came out Tbe original Kloud King designed Mickey DeAngelis 1938 Powered Brown Junior engine set endurance record 10 mm 43 sec Mercer CHUCK WOOD Hank Clark I/B SO BALSA LE AND DIAGONALS FIN BASE INTO STABILIZER SLOT I/B SHEET LE JCANER 1k h / I/B SHEET BALSA RUDDER FRAMES CAN BE SOLID I/16MIMRE ELEVATOR JOINER I/B X 1/4 SPARS II/BSQ TE K 1/16K 1/8 STRINGERS I/B X 1/4 SPRUCE WING SUPPORTS WIRE ONT EDGE I/BOO WEL WING HOLD DOWNS 1/16 SHEET FORMERS 7 1/850 L E 8 BRACES 1/850 SPRUCE LONGERctJS TOP AND BOTT NYROD GUIDES 1/16 X I/B BALSA DIAGONALS I/BSHEET TIPS MONOKOTE HINGES /8 LITE PLY lOP BRACE FOR FORRA ON I/BX3/BVERTEALS 1/2 ENGINE COK ORC FOR SPORT / N BALSA BLOCK FORMS 3/16 SHEET BALSA NOSE CROSS 4 GRAIN 3/16 PLYWD FIRE WALL NOTCHED INTO SIDES 1/16 MUSIC WIRE LG STRUTS Ill 7 I/B LITE PLY CROSS BRACES ON I/B SO SPRUCE FORMERS 1/BK 1/4 SUPPORtS FOR SERVO TRAY I/B POPLAR LITE PLY SIDES FROM NOSETO LONGERON I/BX L4 SPRUCE NOTCHED INTO PLY I/32PLY BOlTOM FROM NOSE TO LONGERON I/BDOWEL LGTIEON I/B BALSA STA FRAMES 3/16K 3/4BALSATESTOCK SHEET BALSA RIBS I/B SO SPRUCE SRRS 2 FRONT 2 REAR I/4KI/2BALSA LEDGE 3/32 BALSA TIP FORMS I/B BALSA TIP FILLERS 2 1/4 WHEELS HEY OLD BUDDY t2UREHANK VERV INDUSTRIOUSLOOK- Li BUILD iT 6IMME TIME SALIVATIN THOSE ARE OILY P1KDO-IT-YOURSELF TYPEFIRST GOlTA FIX THE LAKE ROOFOF P/C SCALE SI-lOT IN FRBCOYOUE VERY LAZVI GOTTA FINISH TI-IE DECK NOT SLICK CHICKS E5UILDfpI GOTTA FIXTHE CAR TELL- BOY THEI GOITA ILLU5TRA1T-A THINGS THEY BUILD / - TOIIAYCANDRNE YOU NIAD 5M01 65OSANtJIVSTAN BULLS CURTiSS FALCON\OFFBE1TERN CABIN FRONT TOP FILLER 1/2ATexacoarelativelynewSAM event israpidlygrowingln popularityUse either solid wood elevators buHt-up onesplans 5flOW Doin Its inexpensive engines readily available great funmethods Servo connections simple nylon rods tubes Airport Trenton NJ May 22 1938 DeAngelis designs Trenton Terror another notable simple func tional strong construction excellent fliers converted slightly strengthened Kloud King presented very first issue reborn ModelAviation became very popular has MAs best selling plans years design 15 19 engines has likely introduced modelers world Old-Timer RC-Assist other wonder chose base co Kloud King design Construction As prototype de signed developed primarily sport model opted employ t elevators rudder simplicity rapid con struction Should prospective builder wish absolute minimum weight have drawn optional built-up structure Addi tional weight could trimmed model substituting balsa spruce fuselage longerons would produce rather tender structure Substitution balsa sheet Ply forward section would self-defeating model likely would tail-heavy require ballast balanced properly ballast absolutely authentic AA Kloud King should have bent wire landing gear However ready-made HalIco B 105-1 satisfactory sport model majority local contests probably no will mind primary adhesive used constructing model cyanoacrylate CA such Hot Stuff Jet Zap slots cut wing trailing edge diagonal ribs tail surfaces designed increase wetted surface CA flow Five-minute epoxy used firewall installation adhere ply dihedral gussets Wing Since wing construction will generate some short lengths alsa can used other units model advise starting Develop master ply wing rib pattern tracing plans Cut 18 blanks light 1/16 C-grain balsa stack-cut ribs jigsaw carving wing tips rough-cut inside outline glued together sit top lower spars steps assembly follows Notch trailing edge stock -in deep rib locations pin place over plan Pin bottom spars place Glue tip section onto bottom spars Place ribs tilt ing inboard rib angle guide Place leading edge stock shims adhere rib faces Place upper spars notches adhere CA Note upper spars terminate cut-down tip rib center section can built place left wing Cut loose after assembly Fill tip -in scrap shown tip detail drawing gussets also cut -in scrap Remove panel building board block up tip 2 inside rib flush against flat surface Sand bevel block inside rib has angled properly spars trailing leading edges should require contour ing Carve sand leading edge stock shape Use cardboard pattern shape tips Build left wing panel same way join center section fiveminute epoxy course dihedral should blocked up before gluing Clothes pins good clamping Using hacksaw blade held tightly against spar faces cut slot through two double ribs first step installing full-depth dihedral brace Place section / 16 ply about 6 long slot draw outline spars onto ply Remove cut out Using clothespins clamps epoxy ply dihedral brace onto spars rib slots Final-sand roughness wing preparation covering strongly recommend either MonoPre-bent aluminum landing gear used authors model rubberbanded shock protection Wire gear per original shown plan Cannon EC-4 servos 225 mAh battery used prototype lighterweight servos could usedbut needed fun flying 48 Model Aviation Kote Coverite Micafilm lightness durability weight strong factor consider using colored Japanese tissue clear dope Tail Surfaces Perhaps difficult thing to decide whether go lightweight built-up surfaces simple sheet balsa Once decision has reached fabrication very straightforward Only fin slot music wire connector slightly unusual strongly recommend MonoKote hinges i-in thick structures conventional slotted hinges will likely weaken wood severely needed two sections MonoKote heat-sealed along sticky edge lapping about -in section scrap wood underneath applied surfaces over-and-under pattern Since color hinge material matches covering presuming Mono Kote used theyre nearly invisible also remarkably strong usually last longer model have used MonoKote hinges rudder fullbore 60-size Pattern job obviously adequate model size Fuselage Cut out firewall Lite Ply sides Formers B constructed directly over plan Lite Ply cuts easily sharp model knife bulkheads assemble very quickly use CA adhesive Drill firewall 3-48 olind nuts now Dont use wood screws Build two identical sides over other classic manner Remove sides check fit bulkheads slots Return right side plans pin flat Glue three bulkheads side checking carefully squareness Allow adhesive set Carefully position left frame Check alignment glue bulkheads Place weight over side hold firmly place block up tail post exactly above building board measured its bottom edge Cut cross members using top view guide should developed pairs Position glue cross members remove unit board bulkheads square tail post measured accurately will true frame dimensions prefer cut out turtledeck formers marks appropriate Continued page 134 174 72 LEASING EDGE CARVE TO STIAPE AFTER ASSEMBLY TILT BIB WITR JIR WING PLAN LEFT VT SO SIDE 2 716 RIBS 3714 374 TE 837CC OP 17R FOR WASBQJT 178 BALSA FILLERSBOTR W NO TIPS174 72 CE TAPER BOTTOM SPARS TO TIP 3732 OBEET TIP SET ON TOP OF SPARSFUSELAGE TOP VIEW 3714 WINO DOWELS.n WIRE RBBER BAND PROTECTOR YE 7 1 ALL WOOD IS BALSA ONLESS SPECIFIED 176 C ORAIN BALSA RIBS B PESO RED 74 SD SPARS VIA PLY BBAEE GEE PERTY AROSESBRN BIDE AP" CALIR3D5ThiP8BREBER AFTER SEALINGBALSA SBBR SCRAP PLY SIBED6AL JIG ER GUSSETS 7 B AR LEG FRONT LEG WRAP WIOBAlE MUSIC WIRE CC CAPPER WIRE________ TREN SSIGERIBALLER RIDS-I OSED ON PROTOTYPE PB GUSSETS N CIA PLY SEE TEST 1716 RIBS NOTEF C E 174 FOR BS FTP RIB CONS bJ 0 C 1716 174 STRINGERS -]TOP RIEWNRBU BERAD oNG _____HIII _______________z 1i PEAEES-Ut" II4 lIPR SBEET -a PB C 0 DOWELS__________________I/B CT PLY W 174 55 SPRUCE TOPI/B 174 3716 SPEETTOPz ONJISIEW 1741 DUB PLASTIC- CIORT PR NOTE VRSS KSSSPARS NOSE ALDERVBV4 SPRUCE 724 ENOMASA 716 OBEET TURTLE DECE POBMERSINTOP B BOTTOM ALDER CA-STRINGERS ARE vIE 74STRINGERS BAYTRUD INTO I/B SO BI-- CJT 44SET "CT WE 043 LRUDDERS JDi RECEIVERLB TGE 174 ORFET jALF04ALRUB-S BR MEDILAI BOBNG7 BAIT 7A I/B.B MONOROTE BINGES 3732 SBEET WING TIPS RATTERO OROR ANTI 15 P0421'RU DEl S I/B SDNYRDE EDIT DEW TO SCRAPFIN SLOT LOCATE BE30 SUITROYB SIDESPLY 1737 PLY7 U-DRAIN- 0 SPRUCE ROTYDRI ONGERONS ABILIZER 174 ODWEPLABFUSELAGE SIDE VIEW PLY TO BEPEFIREWALL12 K LOUD KING___- 174 POWER COO ONE FEW RISANT ENDON M DE ANGELIS DESIGN 938s- Li WITB 3ARBASEDLLVINmfl -ALACC WIDOWBOLT B BLINDREDUCED 8 MODERNIZED FOR I/S OLD OR COSADNUTSTIMER EVENT BY DR DR MATHEWS SPAN 43 CHORD 7V2 -AREA 300 50 INOIJERNATEJ/BLCONNECTORLIGHT WEIBAT PEER CONOT 2174 WRUELSGELWEIGHT 02 IMIN1 22 02SBEET ELEVATORTRACING BY JOE DEMARCO January 1983 49 authors favorite method wing Construction sheet tips Cut outline after assembly four spars solid strip leading trailing edges result simple strong lightweight wing 3732 GREET _________ 3732SBECT 272 DoEDRAL EACT WINO TIP N N 0 a Co -o en 03 N Cd U