NO OCR TEXT NO OCR TEXT nature hobbys enduring attractions Its notable few exceptions such rubber-powered Free Flight gas-powered Scale models flown thermals bear slight resemblance full-scale aircraft exceptions Scale Texaco models Wouldnt neat park easily seen good-looking Scale model thermal watch majestically climb power off driven some unseen force end flight landing model ones feet what design about Model design should confused sport Defender published April 1995 Model Aviation outlines dimensions same version has designed maximum lightness maximize its ability thermal version Aeronca Defender Model T designed utilizing lessons learned converting number Old-Timer pre-1942 Free Flight designs two- three-channel RC Old-Timers thrilling particularly realistic appearance design combines best aspects Old-Timer Scale looks easily seen constructed size Powered K&B 20 Sportster Defender will climb thermal height 30 seconds less Its structure just strong enough withstand turbulence big boomers yet light enough stay up weakest lift intent trick up engine keep running eight minutes 10-minute flight has happened Scale Texaco interested thermals engines lack more-inspired name have labeled Radio Control Scale Duration ARCSD Whether concept has appeal competition-oriented flier beside point power themI intend fly fun size weight power combination seems nearly ideal maximum fun minimum fuss anyone has built Old-Timer light-wing-loading sport design Defenders construction should familiar Its simple build easy maintain aesthetically pleasing hard-to-beat combination Scale Duration Defender intended sport flying Its aerobatic capabilities severely limited its structure loops rolls other aerobatics thing take another look sport version model April 1995 MA have harbored dreams flying larger radiocontrolled version 25-cent kits childhood thermaling easy-to-see Scale model model fulfill fantasies CONSTRUCTION cant see model appealing being suitable inexperienced modeler Therefore building instructions presume some degree building experience key word building model lightnot strong robust wood should lightweight free imperfections stripwood reasonable density cannot located consider purchasing balsa stripper cutting strip light balsa sheet Wing ribs 10-12-pound C-grain surface outlines should light A-grain main adhesive cyanoacrylate CyA glue used sparingly Epoxy used sparingly mount firewall landing gear blocks dihedral gussets Avoid colored paint like plaguethe weight penalty intolerable structure needs stiffness MonoKote/UltraCote Ive no experience Litespan may well worth consideration Real craftsman may wish use colored silk clear dope accessories such wheels should selected light weight Its building Free Flight model key success Defender keeping construction An inverted K&B 20 Sportster provides power engine light possible Build likes Free Flight model hidden inside fiberglass cowl Precision Fiberglass 18 Model Aviation nders design lends itself thermal hunting K&B 20 Sportster carries high-wing model altitude Photos author Graphic Design Carla Kunz adding weight radio Keep light using three one-ounce servos 125-ounce battery pack 13-ounce receiver able hold model very close 10-ounces-per-square-foot goal another ounce wont bother consider spending 270-mAh pack Twice Ive absorbed watching Defender float around Ive lost track time gone past 20 minutes charge thats available 100-mAh pack torque-rod landing gear shock-mounted fairings work rather well lightest ideas could devise Have some spare wire available case make mistake bend its virtually impossible bend out errors music wire fiberglass cowling available Precision Fiberglass 2805 Big Bend Dr Maryville TN 37801 Tel [800] 753-8469 requires light coat filler followed two spray coats color match covering dummy cylinders cut block balsa Use double-sided tape hold sandpaper cowling rub dummies against create neat joint Dowel sections used nail cylinders cowling use epoxy Other details made scraps balsa inverted engine has presented starting problems electric starter has used tank plumbing should place vent top bottom easy filling emptying Tail Feathers outline pieces easily developed use carbon paper draw outline onto balsa jigsaw outline separate elevator halves until wire joiner has installed usual hinged surface shapes block-sanded outer surfaces sanded resemble tubing full-scale Install hinges after covering complete Wing A wing-rib master pattern can made placing carbon paper between drawing section plywood Use pattern cut ribs stacks light C-grain sheet obtain final contour use jigsaw carve block-sand Try cut spar notches accurate possible Build wing panels over drawing bottom up Use precut shear webs position ribs Cut bottom spars flush outside tip rib position tips Scrap-balsa spar extensions used reinforce tips most-inboard wing rib tilted using jig centersection ribs installed right angle building surface panels removed board edges sanded true Building fuselage sides classic one-atop-the-otherThe bottom nose developed balsa strips fair method helps ensure identical constructioninto landing-gear mount Fairing /e Lite Ply May1996 19 wing panels glued together slots dihedral braces cut taped-together hacksaw blades most-inboard ribs wing panel angled provide dihedral glued right-angle center-section ribs dihedral bevel sanded Since no center-section sheeting used its necessary use plywood dihedral gussets wing prefer assemble wing cut slots gussets taped-together hacksaw blades mark cut plywood gussets epoxy place way wing dihedral set sanding gussets cut match greatly reducing likelihood error leading-edge tip fillers sanded blend overall contour Fuselage Identical sides developed classic one-atop-theother Old-Timer fashion using scraps masking tape keep sticking other firewalls triangular stock other miscellaneous pieces installed after two halves popped apart ladders fabricated directly over plans holes should located drilled time Assemble two sides using ladders firewall align forward section Use masking tape hold things together checking squareness planes Adjust components until box true assemble everything permanently flowing medium CyA along joints Pull tail section together clothespins seam must center fuselage Place model over drawings top view check alignment CyA joint Cut install crossmembers pairs constantly checking squareness engine should rough-positioned cowling appropriate shaft-exit head-passage holes can cut fiberglass Place engine mount firewall adjust match cowling youre satisfied alignment spot-glue mount onto firewall CyA remove cowling mark drill holes mounting bolts blind nuts As cowled engine should larger allowance air exit air entry Cut largish hole bottom cowling approximately size cylinder head Entry air will routed through scale locations through areas around dummy cylinders fiberglass has removed sheeting tank areas top moistened waterdiluted ammonia carefully pulled over formers Flow medium CyA joints pull sheet down starting sides working toward center strip Use steel straightedge cut midline being careful remove half center strip Repeat technique other half Use straightedge carefully trim second sheet until fits snugly against first CyA place bottom nose developed balsa strips block-sanded fair landing-gear mount Hardwood stringers added sides top bottom faired tail post cabin top CT fabricated cross-grained pieces balsa have moistened diluted ammonia clamped bottom surface wings center section pieces masking tape allowed dry Use aliphatic resin glue between halves tape underside wings center section Install fuselage top after adhesive has cured Scrap sections balsa used build-up area around front-wing hold-down dowel its proper angle should epoxied place radio installation should light possible Sections inch-square basswood epoxied Lite Ply side strips used servo rails Velcro attaches battery receiver Lite Ply 20 Model Aviation -section details showing stabilizer rudder controlhorn locations Nylon-tube pushrods used Three one-ounce servos mount basswood rails Velcro attaches battery receiver strip cabin floor Landing-gear installation Music-wire landing-gear struts mount grooved block theyre held place nylon straps extra-light construction requires strong MokoKote-type covering material Avoid low-temperature soft coverings 5/16 BALSA SHEET TRIM AFTER3218 BALSA SWEET3/16 BIB FOR DOWEL ASSEMBLY FOR WINDSCREEN5/181 5/B HARDWOOD TRUNIONLANDING GEAR DETAIL WOCB Sb SB 665 GES VI118 FORE AND AFT. 114 BALSA FUSELASEI/B LITE PLO ISIDE TOP IWIDEN SLOTBEND OH 131 STRAP 3/I6l/B BALSADRILL I/B DIA LID LITE PLY 4 40 T-NDTSDIV OH 131 AND BOLTSNYLON STRAP THRUST LINE 3/ID XLH BALSA DSCREEN PATTERN 3/ID BALSAI ISHEET030 CLEAR PLASTIC- COTNO 12 3/ID BALSAOVERSIZE AND TRIM TO FIT-28 DIVRUDDER SWEETIDIG EM SAlMUSIC WIREBAND MOUNT -F-2MARE 2LANDING GEAR THROTTLE3/32 BALSA SHEETFAIRI NG FRAME C_____PU SR ROD ______FRONT VIEWCT-2 3/ID BALSA SHEET FRAME BTWO LAMINATIONS OF 3132 BALSA SHEET3118FIREWALLF-I ____________FORM 8 MATCH UNDERSIDE OF WINO REVELPlYWOOD3/ID BALSA FHONT TO BLEND WITH WINDSCREEN ID SUPFORT PRE- FINTAPER RUDDER FONT FROM THE INSIDE -3/0 BALSA SAEET _____________1 __I BUD 20 SPORTOTER3/32I/WDOWELDID CLEAR/I3/IN BALSAD ENGINE ON DID EM-BALSA Vol LONG MOTORSHEET3/ID SO_______- NOISE o MOUNT USA 3-TEE LSAI/RI I/HB 1114 TAPER _ i IN COWL MUFFLERFIREWALL cn _MEDIUM NYLON NYRCES EHI3S-ELEV SASRED RISAT SIDEI/O DIA MUSIC WIRE BADDERSOLID LEFT SIDENYLONW THBAST04 --j\VA ROUND LONSERONSRDDDER YRROWSAR PLY TAILDOID SUPPORT THEIR4BA.SA- -D-________________ PRECISION FIBERDLASS VELCRO ADjUST LOCATIONSPECIFICATIONS0r2545N COWL -LEFT SlOE/BETTED COWL IS AVAILABLE FROMTO BALANCE PRECISION FIBERGLASS3/N SAWINO SPAN70 _________CHORD. ID I/HMODEL AVIATIONw OROS BIS BEND 1/4 BALSAAREA SB IN MAMYVILLE BS3SWEET MIN WT87 02AERONCA DEFENDER0 PDWER6DB SPORYSTERDESIGNER BY S B MATREWSD COWL ATTACH IWREELSND ID BOBBER BANDA B/C SCALEBUBATIONDRAWN BY S B MATHEWS___ BLOEBS 2 CNNAR EG SBRED PLANS MO JOE DEMAMCO DAMMY ENUINE PROM BALSA SCREWS AND4 CORIPUTERIZEO 2/76/96 IESTAD SIBBIUBOI RPM 71 WASHERS BOUND ALL EXTERIOR USE OST H INS ES I/TE 3/0 BALSA WINO STOUT MOONT I/OH /2 LIORT BALSA LEADINO PINE MONO BIT FACES CLAMP TOGETHER MOE flS WITU SMIE EPOXY AT FOR OPPOSITE WISp EASEL AETEM- TIlE S SEFTIOCIO ABE OSSEASLED CAT CLOTS ONE 00 O TIME TOM TOE OIOEMBML MMACESBITOBTMCESAM MLAOCSTOBEATOMBTOEREPOMO BRACES M OLACE ALL AUSECTS ABE ALTA ELASU AlTO BOTTOM3/IA TOLSO STEET FILL 1 AI/B LITE PLY AINS TIP 3/IA BALSA OTEET FILL I/O LITE PLY SECT A-A SCOOP OOLSA TOP ONLY 3 OIOESOOL SLOT INTO SCOOT ANO COO SIG 00-101 LO STOOP H\ AB 3B BOSOWOCO P FRONT LEFT PEAT LEFT nWINO STOAT WINO STOAT 11 \L p \IT fj EPOXY WING STRUT OPTIONAL CEN SEC 3/IA BALSA 5 000 CT 3/IA SQ BALSA TOP ONLO ii I/IA BALSA SOCET WEBS -SCOT GO/AN LEFT V ING PLAIT /3/IA 3/IC SR BALSA 1BALSA SPARS TOPGO SS ETS AOTTOM 3/IA SO BALSA SCAB TOP ONLY ER O/I6 BALSA GAS SETS I/IA PLY TOP ONLY NOTE SOC 510 SR 1310 STOOPS 3 PER UNIT BENO TO FT FLUSH WITH WINO AOTTOM USE P SB SCOEWS ROLO TO OTOUT MOUNTS STOOTS ATE SANDED TO AffiEQIL SHAPE FINISH WITO SUPEOPOOS FILLER B PAINT / t TLT THIS BIB USING JIG BALSA C ASSETS 3/3/ C GRAIN BALSA SHEET 25 WING RIB PATTERN 3/b 3/8 MED1 BALSA SPARS TOP B BOTTOM TOT/SQ BALOA OPOOS TOP & BOTTOM7 S/IC Il/A 0/ALSO TRAILING ESOE-LSI{C STOCH-NOTETI POT BALSA RIBS S/SO C-GBAIN I/H I/O BALSA L E USE LIGHT STOCO / IA BALSA SHEET BEBS-OEBT GOAIN I VA CS/B BALS MOONT- FLOOR RIGHT ING PLA WINO OTOOT WITO BOTTOM 3/IA 7i OALSA OUSS CT F 3/IA BALSA OUSSET I/H BALSA I/A BALSA BALSA A- H~ __________________________________ /JOINER IIA MAI P4BALSAELCO TABOWO STEETS/B OP 04 SGS/B DOWN S/IA I/HI/A BALSA SHEETBALSA BALSA z .-L C CROSS SECTION 08 PLY OIBEOCAL BRACE MAKE FROM SCOOP SHEET DIHEDRAL JIG L I/B PLY CUSTOM MAKE BT MOBBING BLARE IN SLOT MARE 2 DIHEDRAL BRACE SAND FROM BOTTOM TO MATER WIBO TIP 3/IA BALSA FILL -J N 7 /3/IC BALSA FILL SCRAP BALSA FL, TOP ONLY 3 OIBEATAL AT EACB T P RERE I/H DG BALSA LEADINO EDOC 3/IC I/O BALGA FIN SLOTI/A BALSA SHEET K 0I234NA MODEL AVIATION AERONCA DEFENDER CESIONED MT S B MATHEWS BRAWN BC 0 B MATREWS NOES PLANS BY JOE DEMARCO cOMPUTERiZED 2/18/96 IESTAD OEMERAEO BIIEEC 8072 3 1N3 0 0 CD 0 4 NO OCR TEXT strip runs along bottom cabin smallest-available tank held behind firewall scrap rails Use flexible nylon-tube pushrods rudder elevator use cable throttle Roughen pushrods anti-flex brace tail-exit locations better adhesion 1/64-plywood window frames larger underlying framework makes sill clear plastic can adhered RIC-56 applied glue gun should done after fuselage has covered side windows developed simply scoring breaking plastic proper outline windscreen will require some trimming fit perfectly used paper punch make hole front hold-down dowel Install windscreen cutting narrow strip covering material away bottom border slipping plastic sill Adhere everything RIC-56 Use strips masking tape hold everything place glue dries raw edges can dressed trim tape struts assembled over drawings struts non-functional can kept light possible Slots cut nylon straps struts sanded airfoil Positioned wing banded fuselage straps affixed CyA struts attached #2 sheetmetal screws screwed small hard points wing along bottom longerons fuselage Finish As mentioned design must covered lowtemperature soft covering materials exposed wood fiberglass parts should given very light well-sanded coat filler K&B similar Matching colors lightly sprayed neat Aeronca Logo appropriate N numbers available high-quality vinyl JO Designs Rt 1 Box 225AA Stratford OK 74672 Flying This Defender light has much power recommend taking off half throttle less advancing power once model air Otherwise model accelerates rapidlyalmost jumping air its rather challenging keep level Defender will flying before ready model could also very easily hand-launched Rate climb pretty much function engine rpm fairly open left-hand climbing turn seems controlled straight-up climb has tendency get model over its back will astonished altitude can gained relatively short engine run Just before Defender gets too small see shut power off get ready have ton fun strongly recommend Dave Thornburgs Old Buzzards Soaring Book required reading anyone interest locating thermals model flying Defender will show its lift its wings will rock its turn will tighten can help things keeping turn relatively open prevent spiral-dive tendencies reality once model lift will pretty much take care itself precautions should taken would avoid getting too high too far downwind no reason stick patch lift visibility becomes problem fly upwind parallel field look another thermal have able see model get back such light wing loading deadstick landing model problem Line up model field some S-turns burn off altitude some practice model can landed feet Build yourself Defender join funyou will enjoy athews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Loaded features affordably priced Hobbicos Quick Field Charger provides ultimate convenience ultimate value well its special features voltmeter jacks 48V/60V Rx select switch three LED indicators unique voltage boost circuitry kinds add-ons would find chargers costing much Get Hobbico Quick Field Charger never again will dead radio batteries keep out air longl free brochure location dealer nearest please call 1-800-582-8948 ext 044F Dual Della Peak Snfrg OSt,E,ld EcAsNo ThoSU GREAT PLANES MODEL DISTRIBUTORS COMPANY P0 9909021 Cfla,pagn IL E182E 9021 26 Model Aviation o bafle rcause Hobbico Quick Field Charger theres no need miss minute flying time Designed exclusively charging radio batteries allows totally independent simultaneous charging Rx Tx packs Advanced Delta Peak operation makes fast charging radio batteries safer economical ever no tear overcharging can remove its case itll fit perfectly info power panel location field box ting handy charging station radio batteries I4OBBICO Uuwk Field hurgur
Edition: Model Aviation - 1996/05
Page Numbers: 16, 17, 18, 19, 20, 21, 22, 24, 26
NO OCR TEXT NO OCR TEXT nature hobbys enduring attractions Its notable few exceptions such rubber-powered Free Flight gas-powered Scale models flown thermals bear slight resemblance full-scale aircraft exceptions Scale Texaco models Wouldnt neat park easily seen good-looking Scale model thermal watch majestically climb power off driven some unseen force end flight landing model ones feet what design about Model design should confused sport Defender published April 1995 Model Aviation outlines dimensions same version has designed maximum lightness maximize its ability thermal version Aeronca Defender Model T designed utilizing lessons learned converting number Old-Timer pre-1942 Free Flight designs two- three-channel RC Old-Timers thrilling particularly realistic appearance design combines best aspects Old-Timer Scale looks easily seen constructed size Powered K&B 20 Sportster Defender will climb thermal height 30 seconds less Its structure just strong enough withstand turbulence big boomers yet light enough stay up weakest lift intent trick up engine keep running eight minutes 10-minute flight has happened Scale Texaco interested thermals engines lack more-inspired name have labeled Radio Control Scale Duration ARCSD Whether concept has appeal competition-oriented flier beside point power themI intend fly fun size weight power combination seems nearly ideal maximum fun minimum fuss anyone has built Old-Timer light-wing-loading sport design Defenders construction should familiar Its simple build easy maintain aesthetically pleasing hard-to-beat combination Scale Duration Defender intended sport flying Its aerobatic capabilities severely limited its structure loops rolls other aerobatics thing take another look sport version model April 1995 MA have harbored dreams flying larger radiocontrolled version 25-cent kits childhood thermaling easy-to-see Scale model model fulfill fantasies CONSTRUCTION cant see model appealing being suitable inexperienced modeler Therefore building instructions presume some degree building experience key word building model lightnot strong robust wood should lightweight free imperfections stripwood reasonable density cannot located consider purchasing balsa stripper cutting strip light balsa sheet Wing ribs 10-12-pound C-grain surface outlines should light A-grain main adhesive cyanoacrylate CyA glue used sparingly Epoxy used sparingly mount firewall landing gear blocks dihedral gussets Avoid colored paint like plaguethe weight penalty intolerable structure needs stiffness MonoKote/UltraCote Ive no experience Litespan may well worth consideration Real craftsman may wish use colored silk clear dope accessories such wheels should selected light weight Its building Free Flight model key success Defender keeping construction An inverted K&B 20 Sportster provides power engine light possible Build likes Free Flight model hidden inside fiberglass cowl Precision Fiberglass 18 Model Aviation nders design lends itself thermal hunting K&B 20 Sportster carries high-wing model altitude Photos author Graphic Design Carla Kunz adding weight radio Keep light using three one-ounce servos 125-ounce battery pack 13-ounce receiver able hold model very close 10-ounces-per-square-foot goal another ounce wont bother consider spending 270-mAh pack Twice Ive absorbed watching Defender float around Ive lost track time gone past 20 minutes charge thats available 100-mAh pack torque-rod landing gear shock-mounted fairings work rather well lightest ideas could devise Have some spare wire available case make mistake bend its virtually impossible bend out errors music wire fiberglass cowling available Precision Fiberglass 2805 Big Bend Dr Maryville TN 37801 Tel [800] 753-8469 requires light coat filler followed two spray coats color match covering dummy cylinders cut block balsa Use double-sided tape hold sandpaper cowling rub dummies against create neat joint Dowel sections used nail cylinders cowling use epoxy Other details made scraps balsa inverted engine has presented starting problems electric starter has used tank plumbing should place vent top bottom easy filling emptying Tail Feathers outline pieces easily developed use carbon paper draw outline onto balsa jigsaw outline separate elevator halves until wire joiner has installed usual hinged surface shapes block-sanded outer surfaces sanded resemble tubing full-scale Install hinges after covering complete Wing A wing-rib master pattern can made placing carbon paper between drawing section plywood Use pattern cut ribs stacks light C-grain sheet obtain final contour use jigsaw carve block-sand Try cut spar notches accurate possible Build wing panels over drawing bottom up Use precut shear webs position ribs Cut bottom spars flush outside tip rib position tips Scrap-balsa spar extensions used reinforce tips most-inboard wing rib tilted using jig centersection ribs installed right angle building surface panels removed board edges sanded true Building fuselage sides classic one-atop-the-otherThe bottom nose developed balsa strips fair method helps ensure identical constructioninto landing-gear mount Fairing /e Lite Ply May1996 19 wing panels glued together slots dihedral braces cut taped-together hacksaw blades most-inboard ribs wing panel angled provide dihedral glued right-angle center-section ribs dihedral bevel sanded Since no center-section sheeting used its necessary use plywood dihedral gussets wing prefer assemble wing cut slots gussets taped-together hacksaw blades mark cut plywood gussets epoxy place way wing dihedral set sanding gussets cut match greatly reducing likelihood error leading-edge tip fillers sanded blend overall contour Fuselage Identical sides developed classic one-atop-theother Old-Timer fashion using scraps masking tape keep sticking other firewalls triangular stock other miscellaneous pieces installed after two halves popped apart ladders fabricated directly over plans holes should located drilled time Assemble two sides using ladders firewall align forward section Use masking tape hold things together checking squareness planes Adjust components until box true assemble everything permanently flowing medium CyA along joints Pull tail section together clothespins seam must center fuselage Place model over drawings top view check alignment CyA joint Cut install crossmembers pairs constantly checking squareness engine should rough-positioned cowling appropriate shaft-exit head-passage holes can cut fiberglass Place engine mount firewall adjust match cowling youre satisfied alignment spot-glue mount onto firewall CyA remove cowling mark drill holes mounting bolts blind nuts As cowled engine should larger allowance air exit air entry Cut largish hole bottom cowling approximately size cylinder head Entry air will routed through scale locations through areas around dummy cylinders fiberglass has removed sheeting tank areas top moistened waterdiluted ammonia carefully pulled over formers Flow medium CyA joints pull sheet down starting sides working toward center strip Use steel straightedge cut midline being careful remove half center strip Repeat technique other half Use straightedge carefully trim second sheet until fits snugly against first CyA place bottom nose developed balsa strips block-sanded fair landing-gear mount Hardwood stringers added sides top bottom faired tail post cabin top CT fabricated cross-grained pieces balsa have moistened diluted ammonia clamped bottom surface wings center section pieces masking tape allowed dry Use aliphatic resin glue between halves tape underside wings center section Install fuselage top after adhesive has cured Scrap sections balsa used build-up area around front-wing hold-down dowel its proper angle should epoxied place radio installation should light possible Sections inch-square basswood epoxied Lite Ply side strips used servo rails Velcro attaches battery receiver Lite Ply 20 Model Aviation -section details showing stabilizer rudder controlhorn locations Nylon-tube pushrods used Three one-ounce servos mount basswood rails Velcro attaches battery receiver strip cabin floor Landing-gear installation Music-wire landing-gear struts mount grooved block theyre held place nylon straps extra-light construction requires strong MokoKote-type covering material Avoid low-temperature soft coverings 5/16 BALSA SHEET TRIM AFTER3218 BALSA SWEET3/16 BIB FOR DOWEL ASSEMBLY FOR WINDSCREEN5/181 5/B HARDWOOD TRUNIONLANDING GEAR DETAIL WOCB Sb SB 665 GES VI118 FORE AND AFT. 114 BALSA FUSELASEI/B LITE PLO ISIDE TOP IWIDEN SLOTBEND OH 131 STRAP 3/I6l/B BALSADRILL I/B DIA LID LITE PLY 4 40 T-NDTSDIV OH 131 AND BOLTSNYLON STRAP THRUST LINE 3/ID XLH BALSA DSCREEN PATTERN 3/ID BALSAI ISHEET030 CLEAR PLASTIC- COTNO 12 3/ID BALSAOVERSIZE AND TRIM TO FIT-28 DIVRUDDER SWEETIDIG EM SAlMUSIC WIREBAND MOUNT -F-2MARE 2LANDING GEAR THROTTLE3/32 BALSA SHEETFAIRI NG FRAME C_____PU SR ROD ______FRONT VIEWCT-2 3/ID BALSA SHEET FRAME BTWO LAMINATIONS OF 3132 BALSA SHEET3118FIREWALLF-I ____________FORM 8 MATCH UNDERSIDE OF WINO REVELPlYWOOD3/ID BALSA FHONT TO BLEND WITH WINDSCREEN ID SUPFORT PRE- FINTAPER RUDDER FONT FROM THE INSIDE -3/0 BALSA SAEET _____________1 __I BUD 20 SPORTOTER3/32I/WDOWELDID CLEAR/I3/IN BALSAD ENGINE ON DID EM-BALSA Vol LONG MOTORSHEET3/ID SO_______- NOISE o MOUNT USA 3-TEE LSAI/RI I/HB 1114 TAPER _ i IN COWL MUFFLERFIREWALL cn _MEDIUM NYLON NYRCES EHI3S-ELEV SASRED RISAT SIDEI/O DIA MUSIC WIRE BADDERSOLID LEFT SIDENYLONW THBAST04 --j\VA ROUND LONSERONSRDDDER YRROWSAR PLY TAILDOID SUPPORT THEIR4BA.SA- -D-________________ PRECISION FIBERDLASS VELCRO ADjUST LOCATIONSPECIFICATIONS0r2545N COWL -LEFT SlOE/BETTED COWL IS AVAILABLE FROMTO BALANCE PRECISION FIBERGLASS3/N SAWINO SPAN70 _________CHORD. ID I/HMODEL AVIATIONw OROS BIS BEND 1/4 BALSAAREA SB IN MAMYVILLE BS3SWEET MIN WT87 02AERONCA DEFENDER0 PDWER6DB SPORYSTERDESIGNER BY S B MATREWSD COWL ATTACH IWREELSND ID BOBBER BANDA B/C SCALEBUBATIONDRAWN BY S B MATHEWS___ BLOEBS 2 CNNAR EG SBRED PLANS MO JOE DEMAMCO DAMMY ENUINE PROM BALSA SCREWS AND4 CORIPUTERIZEO 2/76/96 IESTAD SIBBIUBOI RPM 71 WASHERS BOUND ALL EXTERIOR USE OST H INS ES I/TE 3/0 BALSA WINO STOUT MOONT I/OH /2 LIORT BALSA LEADINO PINE MONO BIT FACES CLAMP TOGETHER MOE flS WITU SMIE EPOXY AT FOR OPPOSITE WISp EASEL AETEM- TIlE S SEFTIOCIO ABE OSSEASLED CAT CLOTS ONE 00 O TIME TOM TOE OIOEMBML MMACESBITOBTMCESAM MLAOCSTOBEATOMBTOEREPOMO BRACES M OLACE ALL AUSECTS ABE ALTA ELASU AlTO BOTTOM3/IA TOLSO STEET FILL 1 AI/B LITE PLY AINS TIP 3/IA BALSA OTEET FILL I/O LITE PLY SECT A-A SCOOP OOLSA TOP ONLY 3 OIOESOOL SLOT INTO SCOOT ANO COO SIG 00-101 LO STOOP H\ AB 3B BOSOWOCO P FRONT LEFT PEAT LEFT nWINO STOAT WINO STOAT 11 \L p \IT fj EPOXY WING STRUT OPTIONAL CEN SEC 3/IA BALSA 5 000 CT 3/IA SQ BALSA TOP ONLO ii I/IA BALSA SOCET WEBS -SCOT GO/AN LEFT V ING PLAIT /3/IA 3/IC SR BALSA 1BALSA SPARS TOPGO SS ETS AOTTOM 3/IA SO BALSA SCAB TOP ONLY ER O/I6 BALSA GAS SETS I/IA PLY TOP ONLY NOTE SOC 510 SR 1310 STOOPS 3 PER UNIT BENO TO FT FLUSH WITH WINO AOTTOM USE P SB SCOEWS ROLO TO OTOUT MOUNTS STOOTS ATE SANDED TO AffiEQIL SHAPE FINISH WITO SUPEOPOOS FILLER B PAINT / t TLT THIS BIB USING JIG BALSA C ASSETS 3/3/ C GRAIN BALSA SHEET 25 WING RIB PATTERN 3/b 3/8 MED1 BALSA SPARS TOP B BOTTOM TOT/SQ BALOA OPOOS TOP & BOTTOM7 S/IC Il/A 0/ALSO TRAILING ESOE-LSI{C STOCH-NOTETI POT BALSA RIBS S/SO C-GBAIN I/H I/O BALSA L E USE LIGHT STOCO / IA BALSA SHEET BEBS-OEBT GOAIN I VA CS/B BALS MOONT- FLOOR RIGHT ING PLA WINO OTOOT WITO BOTTOM 3/IA 7i OALSA OUSS CT F 3/IA BALSA OUSSET I/H BALSA I/A BALSA BALSA A- H~ __________________________________ /JOINER IIA MAI P4BALSAELCO TABOWO STEETS/B OP 04 SGS/B DOWN S/IA I/HI/A BALSA SHEETBALSA BALSA z .-L C CROSS SECTION 08 PLY OIBEOCAL BRACE MAKE FROM SCOOP SHEET DIHEDRAL JIG L I/B PLY CUSTOM MAKE BT MOBBING BLARE IN SLOT MARE 2 DIHEDRAL BRACE SAND FROM BOTTOM TO MATER WIBO TIP 3/IA BALSA FILL -J N 7 /3/IC BALSA FILL SCRAP BALSA FL, TOP ONLY 3 OIBEATAL AT EACB T P RERE I/H DG BALSA LEADINO EDOC 3/IC I/O BALGA FIN SLOTI/A BALSA SHEET K 0I234NA MODEL AVIATION AERONCA DEFENDER CESIONED MT S B MATHEWS BRAWN BC 0 B MATREWS NOES PLANS BY JOE DEMARCO cOMPUTERiZED 2/18/96 IESTAD OEMERAEO BIIEEC 8072 3 1N3 0 0 CD 0 4 NO OCR TEXT strip runs along bottom cabin smallest-available tank held behind firewall scrap rails Use flexible nylon-tube pushrods rudder elevator use cable throttle Roughen pushrods anti-flex brace tail-exit locations better adhesion 1/64-plywood window frames larger underlying framework makes sill clear plastic can adhered RIC-56 applied glue gun should done after fuselage has covered side windows developed simply scoring breaking plastic proper outline windscreen will require some trimming fit perfectly used paper punch make hole front hold-down dowel Install windscreen cutting narrow strip covering material away bottom border slipping plastic sill Adhere everything RIC-56 Use strips masking tape hold everything place glue dries raw edges can dressed trim tape struts assembled over drawings struts non-functional can kept light possible Slots cut nylon straps struts sanded airfoil Positioned wing banded fuselage straps affixed CyA struts attached #2 sheetmetal screws screwed small hard points wing along bottom longerons fuselage Finish As mentioned design must covered lowtemperature soft covering materials exposed wood fiberglass parts should given very light well-sanded coat filler K&B similar Matching colors lightly sprayed neat Aeronca Logo appropriate N numbers available high-quality vinyl JO Designs Rt 1 Box 225AA Stratford OK 74672 Flying This Defender light has much power recommend taking off half throttle less advancing power once model air Otherwise model accelerates rapidlyalmost jumping air its rather challenging keep level Defender will flying before ready model could also very easily hand-launched Rate climb pretty much function engine rpm fairly open left-hand climbing turn seems controlled straight-up climb has tendency get model over its back will astonished altitude can gained relatively short engine run Just before Defender gets too small see shut power off get ready have ton fun strongly recommend Dave Thornburgs Old Buzzards Soaring Book required reading anyone interest locating thermals model flying Defender will show its lift its wings will rock its turn will tighten can help things keeping turn relatively open prevent spiral-dive tendencies reality once model lift will pretty much take care itself precautions should taken would avoid getting too high too far downwind no reason stick patch lift visibility becomes problem fly upwind parallel field look another thermal have able see model get back such light wing loading deadstick landing model problem Line up model field some S-turns burn off altitude some practice model can landed feet Build yourself Defender join funyou will enjoy athews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Loaded features affordably priced Hobbicos Quick Field Charger provides ultimate convenience ultimate value well its special features voltmeter jacks 48V/60V Rx select switch three LED indicators unique voltage boost circuitry kinds add-ons would find chargers costing much Get Hobbico Quick Field Charger never again will dead radio batteries keep out air longl free brochure location dealer nearest please call 1-800-582-8948 ext 044F Dual Della Peak Snfrg OSt,E,ld EcAsNo ThoSU GREAT PLANES MODEL DISTRIBUTORS COMPANY P0 9909021 Cfla,pagn IL E182E 9021 26 Model Aviation o bafle rcause Hobbico Quick Field Charger theres no need miss minute flying time Designed exclusively charging radio batteries allows totally independent simultaneous charging Rx Tx packs Advanced Delta Peak operation makes fast charging radio batteries safer economical ever no tear overcharging can remove its case itll fit perfectly info power panel location field box ting handy charging station radio batteries I4OBBICO Uuwk Field hurgur
Edition: Model Aviation - 1996/05
Page Numbers: 16, 17, 18, 19, 20, 21, 22, 24, 26
NO OCR TEXT NO OCR TEXT nature hobbys enduring attractions Its notable few exceptions such rubber-powered Free Flight gas-powered Scale models flown thermals bear slight resemblance full-scale aircraft exceptions Scale Texaco models Wouldnt neat park easily seen good-looking Scale model thermal watch majestically climb power off driven some unseen force end flight landing model ones feet what design about Model design should confused sport Defender published April 1995 Model Aviation outlines dimensions same version has designed maximum lightness maximize its ability thermal version Aeronca Defender Model T designed utilizing lessons learned converting number Old-Timer pre-1942 Free Flight designs two- three-channel RC Old-Timers thrilling particularly realistic appearance design combines best aspects Old-Timer Scale looks easily seen constructed size Powered K&B 20 Sportster Defender will climb thermal height 30 seconds less Its structure just strong enough withstand turbulence big boomers yet light enough stay up weakest lift intent trick up engine keep running eight minutes 10-minute flight has happened Scale Texaco interested thermals engines lack more-inspired name have labeled Radio Control Scale Duration ARCSD Whether concept has appeal competition-oriented flier beside point power themI intend fly fun size weight power combination seems nearly ideal maximum fun minimum fuss anyone has built Old-Timer light-wing-loading sport design Defenders construction should familiar Its simple build easy maintain aesthetically pleasing hard-to-beat combination Scale Duration Defender intended sport flying Its aerobatic capabilities severely limited its structure loops rolls other aerobatics thing take another look sport version model April 1995 MA have harbored dreams flying larger radiocontrolled version 25-cent kits childhood thermaling easy-to-see Scale model model fulfill fantasies CONSTRUCTION cant see model appealing being suitable inexperienced modeler Therefore building instructions presume some degree building experience key word building model lightnot strong robust wood should lightweight free imperfections stripwood reasonable density cannot located consider purchasing balsa stripper cutting strip light balsa sheet Wing ribs 10-12-pound C-grain surface outlines should light A-grain main adhesive cyanoacrylate CyA glue used sparingly Epoxy used sparingly mount firewall landing gear blocks dihedral gussets Avoid colored paint like plaguethe weight penalty intolerable structure needs stiffness MonoKote/UltraCote Ive no experience Litespan may well worth consideration Real craftsman may wish use colored silk clear dope accessories such wheels should selected light weight Its building Free Flight model key success Defender keeping construction An inverted K&B 20 Sportster provides power engine light possible Build likes Free Flight model hidden inside fiberglass cowl Precision Fiberglass 18 Model Aviation nders design lends itself thermal hunting K&B 20 Sportster carries high-wing model altitude Photos author Graphic Design Carla Kunz adding weight radio Keep light using three one-ounce servos 125-ounce battery pack 13-ounce receiver able hold model very close 10-ounces-per-square-foot goal another ounce wont bother consider spending 270-mAh pack Twice Ive absorbed watching Defender float around Ive lost track time gone past 20 minutes charge thats available 100-mAh pack torque-rod landing gear shock-mounted fairings work rather well lightest ideas could devise Have some spare wire available case make mistake bend its virtually impossible bend out errors music wire fiberglass cowling available Precision Fiberglass 2805 Big Bend Dr Maryville TN 37801 Tel [800] 753-8469 requires light coat filler followed two spray coats color match covering dummy cylinders cut block balsa Use double-sided tape hold sandpaper cowling rub dummies against create neat joint Dowel sections used nail cylinders cowling use epoxy Other details made scraps balsa inverted engine has presented starting problems electric starter has used tank plumbing should place vent top bottom easy filling emptying Tail Feathers outline pieces easily developed use carbon paper draw outline onto balsa jigsaw outline separate elevator halves until wire joiner has installed usual hinged surface shapes block-sanded outer surfaces sanded resemble tubing full-scale Install hinges after covering complete Wing A wing-rib master pattern can made placing carbon paper between drawing section plywood Use pattern cut ribs stacks light C-grain sheet obtain final contour use jigsaw carve block-sand Try cut spar notches accurate possible Build wing panels over drawing bottom up Use precut shear webs position ribs Cut bottom spars flush outside tip rib position tips Scrap-balsa spar extensions used reinforce tips most-inboard wing rib tilted using jig centersection ribs installed right angle building surface panels removed board edges sanded true Building fuselage sides classic one-atop-the-otherThe bottom nose developed balsa strips fair method helps ensure identical constructioninto landing-gear mount Fairing /e Lite Ply May1996 19 wing panels glued together slots dihedral braces cut taped-together hacksaw blades most-inboard ribs wing panel angled provide dihedral glued right-angle center-section ribs dihedral bevel sanded Since no center-section sheeting used its necessary use plywood dihedral gussets wing prefer assemble wing cut slots gussets taped-together hacksaw blades mark cut plywood gussets epoxy place way wing dihedral set sanding gussets cut match greatly reducing likelihood error leading-edge tip fillers sanded blend overall contour Fuselage Identical sides developed classic one-atop-theother Old-Timer fashion using scraps masking tape keep sticking other firewalls triangular stock other miscellaneous pieces installed after two halves popped apart ladders fabricated directly over plans holes should located drilled time Assemble two sides using ladders firewall align forward section Use masking tape hold things together checking squareness planes Adjust components until box true assemble everything permanently flowing medium CyA along joints Pull tail section together clothespins seam must center fuselage Place model over drawings top view check alignment CyA joint Cut install crossmembers pairs constantly checking squareness engine should rough-positioned cowling appropriate shaft-exit head-passage holes can cut fiberglass Place engine mount firewall adjust match cowling youre satisfied alignment spot-glue mount onto firewall CyA remove cowling mark drill holes mounting bolts blind nuts As cowled engine should larger allowance air exit air entry Cut largish hole bottom cowling approximately size cylinder head Entry air will routed through scale locations through areas around dummy cylinders fiberglass has removed sheeting tank areas top moistened waterdiluted ammonia carefully pulled over formers Flow medium CyA joints pull sheet down starting sides working toward center strip Use steel straightedge cut midline being careful remove half center strip Repeat technique other half Use straightedge carefully trim second sheet until fits snugly against first CyA place bottom nose developed balsa strips block-sanded fair landing-gear mount Hardwood stringers added sides top bottom faired tail post cabin top CT fabricated cross-grained pieces balsa have moistened diluted ammonia clamped bottom surface wings center section pieces masking tape allowed dry Use aliphatic resin glue between halves tape underside wings center section Install fuselage top after adhesive has cured Scrap sections balsa used build-up area around front-wing hold-down dowel its proper angle should epoxied place radio installation should light possible Sections inch-square basswood epoxied Lite Ply side strips used servo rails Velcro attaches battery receiver Lite Ply 20 Model Aviation -section details showing stabilizer rudder controlhorn locations Nylon-tube pushrods used Three one-ounce servos mount basswood rails Velcro attaches battery receiver strip cabin floor Landing-gear installation Music-wire landing-gear struts mount grooved block theyre held place nylon straps extra-light construction requires strong MokoKote-type covering material Avoid low-temperature soft coverings 5/16 BALSA SHEET TRIM AFTER3218 BALSA SWEET3/16 BIB FOR DOWEL ASSEMBLY FOR WINDSCREEN5/181 5/B HARDWOOD TRUNIONLANDING GEAR DETAIL WOCB Sb SB 665 GES VI118 FORE AND AFT. 114 BALSA FUSELASEI/B LITE PLO ISIDE TOP IWIDEN SLOTBEND OH 131 STRAP 3/I6l/B BALSADRILL I/B DIA LID LITE PLY 4 40 T-NDTSDIV OH 131 AND BOLTSNYLON STRAP THRUST LINE 3/ID XLH BALSA DSCREEN PATTERN 3/ID BALSAI ISHEET030 CLEAR PLASTIC- COTNO 12 3/ID BALSAOVERSIZE AND TRIM TO FIT-28 DIVRUDDER SWEETIDIG EM SAlMUSIC WIREBAND MOUNT -F-2MARE 2LANDING GEAR THROTTLE3/32 BALSA SHEETFAIRI NG FRAME C_____PU SR ROD ______FRONT VIEWCT-2 3/ID BALSA SHEET FRAME BTWO LAMINATIONS OF 3132 BALSA SHEET3118FIREWALLF-I ____________FORM 8 MATCH UNDERSIDE OF WINO REVELPlYWOOD3/ID BALSA FHONT TO BLEND WITH WINDSCREEN ID SUPFORT PRE- FINTAPER RUDDER FONT FROM THE INSIDE -3/0 BALSA SAEET _____________1 __I BUD 20 SPORTOTER3/32I/WDOWELDID CLEAR/I3/IN BALSAD ENGINE ON DID EM-BALSA Vol LONG MOTORSHEET3/ID SO_______- NOISE o MOUNT USA 3-TEE LSAI/RI I/HB 1114 TAPER _ i IN COWL MUFFLERFIREWALL cn _MEDIUM NYLON NYRCES EHI3S-ELEV SASRED RISAT SIDEI/O DIA MUSIC WIRE BADDERSOLID LEFT SIDENYLONW THBAST04 --j\VA ROUND LONSERONSRDDDER YRROWSAR PLY TAILDOID SUPPORT THEIR4BA.SA- -D-________________ PRECISION FIBERDLASS VELCRO ADjUST LOCATIONSPECIFICATIONS0r2545N COWL -LEFT SlOE/BETTED COWL IS AVAILABLE FROMTO BALANCE PRECISION FIBERGLASS3/N SAWINO SPAN70 _________CHORD. ID I/HMODEL AVIATIONw OROS BIS BEND 1/4 BALSAAREA SB IN MAMYVILLE BS3SWEET MIN WT87 02AERONCA DEFENDER0 PDWER6DB SPORYSTERDESIGNER BY S B MATREWSD COWL ATTACH IWREELSND ID BOBBER BANDA B/C SCALEBUBATIONDRAWN BY S B MATHEWS___ BLOEBS 2 CNNAR EG SBRED PLANS MO JOE DEMAMCO DAMMY ENUINE PROM BALSA SCREWS AND4 CORIPUTERIZEO 2/76/96 IESTAD SIBBIUBOI RPM 71 WASHERS BOUND ALL EXTERIOR USE OST H INS ES I/TE 3/0 BALSA WINO STOUT MOONT I/OH /2 LIORT BALSA LEADINO PINE MONO BIT FACES CLAMP TOGETHER MOE flS WITU SMIE EPOXY AT FOR OPPOSITE WISp EASEL AETEM- TIlE S SEFTIOCIO ABE OSSEASLED CAT CLOTS ONE 00 O TIME TOM TOE OIOEMBML MMACESBITOBTMCESAM MLAOCSTOBEATOMBTOEREPOMO BRACES M OLACE ALL AUSECTS ABE ALTA ELASU AlTO BOTTOM3/IA TOLSO STEET FILL 1 AI/B LITE PLY AINS TIP 3/IA BALSA OTEET FILL I/O LITE PLY SECT A-A SCOOP OOLSA TOP ONLY 3 OIOESOOL SLOT INTO SCOOT ANO COO SIG 00-101 LO STOOP H\ AB 3B BOSOWOCO P FRONT LEFT PEAT LEFT nWINO STOAT WINO STOAT 11 \L p \IT fj EPOXY WING STRUT OPTIONAL CEN SEC 3/IA BALSA 5 000 CT 3/IA SQ BALSA TOP ONLO ii I/IA BALSA SOCET WEBS -SCOT GO/AN LEFT V ING PLAIT /3/IA 3/IC SR BALSA 1BALSA SPARS TOPGO SS ETS AOTTOM 3/IA SO BALSA SCAB TOP ONLY ER O/I6 BALSA GAS SETS I/IA PLY TOP ONLY NOTE SOC 510 SR 1310 STOOPS 3 PER UNIT BENO TO FT FLUSH WITH WINO AOTTOM USE P SB SCOEWS ROLO TO OTOUT MOUNTS STOOTS ATE SANDED TO AffiEQIL SHAPE FINISH WITO SUPEOPOOS FILLER B PAINT / t TLT THIS BIB USING JIG BALSA C ASSETS 3/3/ C GRAIN BALSA SHEET 25 WING RIB PATTERN 3/b 3/8 MED1 BALSA SPARS TOP B BOTTOM TOT/SQ BALOA OPOOS TOP & BOTTOM7 S/IC Il/A 0/ALSO TRAILING ESOE-LSI{C STOCH-NOTETI POT BALSA RIBS S/SO C-GBAIN I/H I/O BALSA L E USE LIGHT STOCO / IA BALSA SHEET BEBS-OEBT GOAIN I VA CS/B BALS MOONT- FLOOR RIGHT ING PLA WINO OTOOT WITO BOTTOM 3/IA 7i OALSA OUSS CT F 3/IA BALSA OUSSET I/H BALSA I/A BALSA BALSA A- H~ __________________________________ /JOINER IIA MAI P4BALSAELCO TABOWO STEETS/B OP 04 SGS/B DOWN S/IA I/HI/A BALSA SHEETBALSA BALSA z .-L C CROSS SECTION 08 PLY OIBEOCAL BRACE MAKE FROM SCOOP SHEET DIHEDRAL JIG L I/B PLY CUSTOM MAKE BT MOBBING BLARE IN SLOT MARE 2 DIHEDRAL BRACE SAND FROM BOTTOM TO MATER WIBO TIP 3/IA BALSA FILL -J N 7 /3/IC BALSA FILL SCRAP BALSA FL, TOP ONLY 3 OIBEATAL AT EACB T P RERE I/H DG BALSA LEADINO EDOC 3/IC I/O BALGA FIN SLOTI/A BALSA SHEET K 0I234NA MODEL AVIATION AERONCA DEFENDER CESIONED MT S B MATHEWS BRAWN BC 0 B MATREWS NOES PLANS BY JOE DEMARCO cOMPUTERiZED 2/18/96 IESTAD OEMERAEO BIIEEC 8072 3 1N3 0 0 CD 0 4 NO OCR TEXT strip runs along bottom cabin smallest-available tank held behind firewall scrap rails Use flexible nylon-tube pushrods rudder elevator use cable throttle Roughen pushrods anti-flex brace tail-exit locations better adhesion 1/64-plywood window frames larger underlying framework makes sill clear plastic can adhered RIC-56 applied glue gun should done after fuselage has covered side windows developed simply scoring breaking plastic proper outline windscreen will require some trimming fit perfectly used paper punch make hole front hold-down dowel Install windscreen cutting narrow strip covering material away bottom border slipping plastic sill Adhere everything RIC-56 Use strips masking tape hold everything place glue dries raw edges can dressed trim tape struts assembled over drawings struts non-functional can kept light possible Slots cut nylon straps struts sanded airfoil Positioned wing banded fuselage straps affixed CyA struts attached #2 sheetmetal screws screwed small hard points wing along bottom longerons fuselage Finish As mentioned design must covered lowtemperature soft covering materials exposed wood fiberglass parts should given very light well-sanded coat filler K&B similar Matching colors lightly sprayed neat Aeronca Logo appropriate N numbers available high-quality vinyl JO Designs Rt 1 Box 225AA Stratford OK 74672 Flying This Defender light has much power recommend taking off half throttle less advancing power once model air Otherwise model accelerates rapidlyalmost jumping air its rather challenging keep level Defender will flying before ready model could also very easily hand-launched Rate climb pretty much function engine rpm fairly open left-hand climbing turn seems controlled straight-up climb has tendency get model over its back will astonished altitude can gained relatively short engine run Just before Defender gets too small see shut power off get ready have ton fun strongly recommend Dave Thornburgs Old Buzzards Soaring Book required reading anyone interest locating thermals model flying Defender will show its lift its wings will rock its turn will tighten can help things keeping turn relatively open prevent spiral-dive tendencies reality once model lift will pretty much take care itself precautions should taken would avoid getting too high too far downwind no reason stick patch lift visibility becomes problem fly upwind parallel field look another thermal have able see model get back such light wing loading deadstick landing model problem Line up model field some S-turns burn off altitude some practice model can landed feet Build yourself Defender join funyou will enjoy athews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Loaded features affordably priced Hobbicos Quick Field Charger provides ultimate convenience ultimate value well its special features voltmeter jacks 48V/60V Rx select switch three LED indicators unique voltage boost circuitry kinds add-ons would find chargers costing much Get Hobbico Quick Field Charger never again will dead radio batteries keep out air longl free brochure location dealer nearest please call 1-800-582-8948 ext 044F Dual Della Peak Snfrg OSt,E,ld EcAsNo ThoSU GREAT PLANES MODEL DISTRIBUTORS COMPANY P0 9909021 Cfla,pagn IL E182E 9021 26 Model Aviation o bafle rcause Hobbico Quick Field Charger theres no need miss minute flying time Designed exclusively charging radio batteries allows totally independent simultaneous charging Rx Tx packs Advanced Delta Peak operation makes fast charging radio batteries safer economical ever no tear overcharging can remove its case itll fit perfectly info power panel location field box ting handy charging station radio batteries I4OBBICO Uuwk Field hurgur
Edition: Model Aviation - 1996/05
Page Numbers: 16, 17, 18, 19, 20, 21, 22, 24, 26
NO OCR TEXT NO OCR TEXT nature hobbys enduring attractions Its notable few exceptions such rubber-powered Free Flight gas-powered Scale models flown thermals bear slight resemblance full-scale aircraft exceptions Scale Texaco models Wouldnt neat park easily seen good-looking Scale model thermal watch majestically climb power off driven some unseen force end flight landing model ones feet what design about Model design should confused sport Defender published April 1995 Model Aviation outlines dimensions same version has designed maximum lightness maximize its ability thermal version Aeronca Defender Model T designed utilizing lessons learned converting number Old-Timer pre-1942 Free Flight designs two- three-channel RC Old-Timers thrilling particularly realistic appearance design combines best aspects Old-Timer Scale looks easily seen constructed size Powered K&B 20 Sportster Defender will climb thermal height 30 seconds less Its structure just strong enough withstand turbulence big boomers yet light enough stay up weakest lift intent trick up engine keep running eight minutes 10-minute flight has happened Scale Texaco interested thermals engines lack more-inspired name have labeled Radio Control Scale Duration ARCSD Whether concept has appeal competition-oriented flier beside point power themI intend fly fun size weight power combination seems nearly ideal maximum fun minimum fuss anyone has built Old-Timer light-wing-loading sport design Defenders construction should familiar Its simple build easy maintain aesthetically pleasing hard-to-beat combination Scale Duration Defender intended sport flying Its aerobatic capabilities severely limited its structure loops rolls other aerobatics thing take another look sport version model April 1995 MA have harbored dreams flying larger radiocontrolled version 25-cent kits childhood thermaling easy-to-see Scale model model fulfill fantasies CONSTRUCTION cant see model appealing being suitable inexperienced modeler Therefore building instructions presume some degree building experience key word building model lightnot strong robust wood should lightweight free imperfections stripwood reasonable density cannot located consider purchasing balsa stripper cutting strip light balsa sheet Wing ribs 10-12-pound C-grain surface outlines should light A-grain main adhesive cyanoacrylate CyA glue used sparingly Epoxy used sparingly mount firewall landing gear blocks dihedral gussets Avoid colored paint like plaguethe weight penalty intolerable structure needs stiffness MonoKote/UltraCote Ive no experience Litespan may well worth consideration Real craftsman may wish use colored silk clear dope accessories such wheels should selected light weight Its building Free Flight model key success Defender keeping construction An inverted K&B 20 Sportster provides power engine light possible Build likes Free Flight model hidden inside fiberglass cowl Precision Fiberglass 18 Model Aviation nders design lends itself thermal hunting K&B 20 Sportster carries high-wing model altitude Photos author Graphic Design Carla Kunz adding weight radio Keep light using three one-ounce servos 125-ounce battery pack 13-ounce receiver able hold model very close 10-ounces-per-square-foot goal another ounce wont bother consider spending 270-mAh pack Twice Ive absorbed watching Defender float around Ive lost track time gone past 20 minutes charge thats available 100-mAh pack torque-rod landing gear shock-mounted fairings work rather well lightest ideas could devise Have some spare wire available case make mistake bend its virtually impossible bend out errors music wire fiberglass cowling available Precision Fiberglass 2805 Big Bend Dr Maryville TN 37801 Tel [800] 753-8469 requires light coat filler followed two spray coats color match covering dummy cylinders cut block balsa Use double-sided tape hold sandpaper cowling rub dummies against create neat joint Dowel sections used nail cylinders cowling use epoxy Other details made scraps balsa inverted engine has presented starting problems electric starter has used tank plumbing should place vent top bottom easy filling emptying Tail Feathers outline pieces easily developed use carbon paper draw outline onto balsa jigsaw outline separate elevator halves until wire joiner has installed usual hinged surface shapes block-sanded outer surfaces sanded resemble tubing full-scale Install hinges after covering complete Wing A wing-rib master pattern can made placing carbon paper between drawing section plywood Use pattern cut ribs stacks light C-grain sheet obtain final contour use jigsaw carve block-sand Try cut spar notches accurate possible Build wing panels over drawing bottom up Use precut shear webs position ribs Cut bottom spars flush outside tip rib position tips Scrap-balsa spar extensions used reinforce tips most-inboard wing rib tilted using jig centersection ribs installed right angle building surface panels removed board edges sanded true Building fuselage sides classic one-atop-the-otherThe bottom nose developed balsa strips fair method helps ensure identical constructioninto landing-gear mount Fairing /e Lite Ply May1996 19 wing panels glued together slots dihedral braces cut taped-together hacksaw blades most-inboard ribs wing panel angled provide dihedral glued right-angle center-section ribs dihedral bevel sanded Since no center-section sheeting used its necessary use plywood dihedral gussets wing prefer assemble wing cut slots gussets taped-together hacksaw blades mark cut plywood gussets epoxy place way wing dihedral set sanding gussets cut match greatly reducing likelihood error leading-edge tip fillers sanded blend overall contour Fuselage Identical sides developed classic one-atop-theother Old-Timer fashion using scraps masking tape keep sticking other firewalls triangular stock other miscellaneous pieces installed after two halves popped apart ladders fabricated directly over plans holes should located drilled time Assemble two sides using ladders firewall align forward section Use masking tape hold things together checking squareness planes Adjust components until box true assemble everything permanently flowing medium CyA along joints Pull tail section together clothespins seam must center fuselage Place model over drawings top view check alignment CyA joint Cut install crossmembers pairs constantly checking squareness engine should rough-positioned cowling appropriate shaft-exit head-passage holes can cut fiberglass Place engine mount firewall adjust match cowling youre satisfied alignment spot-glue mount onto firewall CyA remove cowling mark drill holes mounting bolts blind nuts As cowled engine should larger allowance air exit air entry Cut largish hole bottom cowling approximately size cylinder head Entry air will routed through scale locations through areas around dummy cylinders fiberglass has removed sheeting tank areas top moistened waterdiluted ammonia carefully pulled over formers Flow medium CyA joints pull sheet down starting sides working toward center strip Use steel straightedge cut midline being careful remove half center strip Repeat technique other half Use straightedge carefully trim second sheet until fits snugly against first CyA place bottom nose developed balsa strips block-sanded fair landing-gear mount Hardwood stringers added sides top bottom faired tail post cabin top CT fabricated cross-grained pieces balsa have moistened diluted ammonia clamped bottom surface wings center section pieces masking tape allowed dry Use aliphatic resin glue between halves tape underside wings center section Install fuselage top after adhesive has cured Scrap sections balsa used build-up area around front-wing hold-down dowel its proper angle should epoxied place radio installation should light possible Sections inch-square basswood epoxied Lite Ply side strips used servo rails Velcro attaches battery receiver Lite Ply 20 Model Aviation -section details showing stabilizer rudder controlhorn locations Nylon-tube pushrods used Three one-ounce servos mount basswood rails Velcro attaches battery receiver strip cabin floor Landing-gear installation Music-wire landing-gear struts mount grooved block theyre held place nylon straps extra-light construction requires strong MokoKote-type covering material Avoid low-temperature soft coverings 5/16 BALSA SHEET TRIM AFTER3218 BALSA SWEET3/16 BIB FOR DOWEL ASSEMBLY FOR WINDSCREEN5/181 5/B HARDWOOD TRUNIONLANDING GEAR DETAIL WOCB Sb SB 665 GES VI118 FORE AND AFT. 114 BALSA FUSELASEI/B LITE PLO ISIDE TOP IWIDEN SLOTBEND OH 131 STRAP 3/I6l/B BALSADRILL I/B DIA LID LITE PLY 4 40 T-NDTSDIV OH 131 AND BOLTSNYLON STRAP THRUST LINE 3/ID XLH BALSA DSCREEN PATTERN 3/ID BALSAI ISHEET030 CLEAR PLASTIC- COTNO 12 3/ID BALSAOVERSIZE AND TRIM TO FIT-28 DIVRUDDER SWEETIDIG EM SAlMUSIC WIREBAND MOUNT -F-2MARE 2LANDING GEAR THROTTLE3/32 BALSA SHEETFAIRI NG FRAME C_____PU SR ROD ______FRONT VIEWCT-2 3/ID BALSA SHEET FRAME BTWO LAMINATIONS OF 3132 BALSA SHEET3118FIREWALLF-I ____________FORM 8 MATCH UNDERSIDE OF WINO REVELPlYWOOD3/ID BALSA FHONT TO BLEND WITH WINDSCREEN ID SUPFORT PRE- FINTAPER RUDDER FONT FROM THE INSIDE -3/0 BALSA SAEET _____________1 __I BUD 20 SPORTOTER3/32I/WDOWELDID CLEAR/I3/IN BALSAD ENGINE ON DID EM-BALSA Vol LONG MOTORSHEET3/ID SO_______- NOISE o MOUNT USA 3-TEE LSAI/RI I/HB 1114 TAPER _ i IN COWL MUFFLERFIREWALL cn _MEDIUM NYLON NYRCES EHI3S-ELEV SASRED RISAT SIDEI/O DIA MUSIC WIRE BADDERSOLID LEFT SIDENYLONW THBAST04 --j\VA ROUND LONSERONSRDDDER YRROWSAR PLY TAILDOID SUPPORT THEIR4BA.SA- -D-________________ PRECISION FIBERDLASS VELCRO ADjUST LOCATIONSPECIFICATIONS0r2545N COWL -LEFT SlOE/BETTED COWL IS AVAILABLE FROMTO BALANCE PRECISION FIBERGLASS3/N SAWINO SPAN70 _________CHORD. ID I/HMODEL AVIATIONw OROS BIS BEND 1/4 BALSAAREA SB IN MAMYVILLE BS3SWEET MIN WT87 02AERONCA DEFENDER0 PDWER6DB SPORYSTERDESIGNER BY S B MATREWSD COWL ATTACH IWREELSND ID BOBBER BANDA B/C SCALEBUBATIONDRAWN BY S B MATHEWS___ BLOEBS 2 CNNAR EG SBRED PLANS MO JOE DEMAMCO DAMMY ENUINE PROM BALSA SCREWS AND4 CORIPUTERIZEO 2/76/96 IESTAD SIBBIUBOI RPM 71 WASHERS BOUND ALL EXTERIOR USE OST H INS ES I/TE 3/0 BALSA WINO STOUT MOONT I/OH /2 LIORT BALSA LEADINO PINE MONO BIT FACES CLAMP TOGETHER MOE flS WITU SMIE EPOXY AT FOR OPPOSITE WISp EASEL AETEM- TIlE S SEFTIOCIO ABE OSSEASLED CAT CLOTS ONE 00 O TIME TOM TOE OIOEMBML MMACESBITOBTMCESAM MLAOCSTOBEATOMBTOEREPOMO BRACES M OLACE ALL AUSECTS ABE ALTA ELASU AlTO BOTTOM3/IA TOLSO STEET FILL 1 AI/B LITE PLY AINS TIP 3/IA BALSA OTEET FILL I/O LITE PLY SECT A-A SCOOP OOLSA TOP ONLY 3 OIOESOOL SLOT INTO SCOOT ANO COO SIG 00-101 LO STOOP H\ AB 3B BOSOWOCO P FRONT LEFT PEAT LEFT nWINO STOAT WINO STOAT 11 \L p \IT fj EPOXY WING STRUT OPTIONAL CEN SEC 3/IA BALSA 5 000 CT 3/IA SQ BALSA TOP ONLO ii I/IA BALSA SOCET WEBS -SCOT GO/AN LEFT V ING PLAIT /3/IA 3/IC SR BALSA 1BALSA SPARS TOPGO SS ETS AOTTOM 3/IA SO BALSA SCAB TOP ONLY ER O/I6 BALSA GAS SETS I/IA PLY TOP ONLY NOTE SOC 510 SR 1310 STOOPS 3 PER UNIT BENO TO FT FLUSH WITH WINO AOTTOM USE P SB SCOEWS ROLO TO OTOUT MOUNTS STOOTS ATE SANDED TO AffiEQIL SHAPE FINISH WITO SUPEOPOOS FILLER B PAINT / t TLT THIS BIB USING JIG BALSA C ASSETS 3/3/ C GRAIN BALSA SHEET 25 WING RIB PATTERN 3/b 3/8 MED1 BALSA SPARS TOP B BOTTOM TOT/SQ BALOA OPOOS TOP & BOTTOM7 S/IC Il/A 0/ALSO TRAILING ESOE-LSI{C STOCH-NOTETI POT BALSA RIBS S/SO C-GBAIN I/H I/O BALSA L E USE LIGHT STOCO / IA BALSA SHEET BEBS-OEBT GOAIN I VA CS/B BALS MOONT- FLOOR RIGHT ING PLA WINO OTOOT WITO BOTTOM 3/IA 7i OALSA OUSS CT F 3/IA BALSA OUSSET I/H BALSA I/A BALSA BALSA A- H~ __________________________________ /JOINER IIA MAI P4BALSAELCO TABOWO STEETS/B OP 04 SGS/B DOWN S/IA I/HI/A BALSA SHEETBALSA BALSA z .-L C CROSS SECTION 08 PLY OIBEOCAL BRACE MAKE FROM SCOOP SHEET DIHEDRAL JIG L I/B PLY CUSTOM MAKE BT MOBBING BLARE IN SLOT MARE 2 DIHEDRAL BRACE SAND FROM BOTTOM TO MATER WIBO TIP 3/IA BALSA FILL -J N 7 /3/IC BALSA FILL SCRAP BALSA FL, TOP ONLY 3 OIBEATAL AT EACB T P RERE I/H DG BALSA LEADINO EDOC 3/IC I/O BALGA FIN SLOTI/A BALSA SHEET K 0I234NA MODEL AVIATION AERONCA DEFENDER CESIONED MT S B MATHEWS BRAWN BC 0 B MATREWS NOES PLANS BY JOE DEMARCO cOMPUTERiZED 2/18/96 IESTAD OEMERAEO BIIEEC 8072 3 1N3 0 0 CD 0 4 NO OCR TEXT strip runs along bottom cabin smallest-available tank held behind firewall scrap rails Use flexible nylon-tube pushrods rudder elevator use cable throttle Roughen pushrods anti-flex brace tail-exit locations better adhesion 1/64-plywood window frames larger underlying framework makes sill clear plastic can adhered RIC-56 applied glue gun should done after fuselage has covered side windows developed simply scoring breaking plastic proper outline windscreen will require some trimming fit perfectly used paper punch make hole front hold-down dowel Install windscreen cutting narrow strip covering material away bottom border slipping plastic sill Adhere everything RIC-56 Use strips masking tape hold everything place glue dries raw edges can dressed trim tape struts assembled over drawings struts non-functional can kept light possible Slots cut nylon straps struts sanded airfoil Positioned wing banded fuselage straps affixed CyA struts attached #2 sheetmetal screws screwed small hard points wing along bottom longerons fuselage Finish As mentioned design must covered lowtemperature soft covering materials exposed wood fiberglass parts should given very light well-sanded coat filler K&B similar Matching colors lightly sprayed neat Aeronca Logo appropriate N numbers available high-quality vinyl JO Designs Rt 1 Box 225AA Stratford OK 74672 Flying This Defender light has much power recommend taking off half throttle less advancing power once model air Otherwise model accelerates rapidlyalmost jumping air its rather challenging keep level Defender will flying before ready model could also very easily hand-launched Rate climb pretty much function engine rpm fairly open left-hand climbing turn seems controlled straight-up climb has tendency get model over its back will astonished altitude can gained relatively short engine run Just before Defender gets too small see shut power off get ready have ton fun strongly recommend Dave Thornburgs Old Buzzards Soaring Book required reading anyone interest locating thermals model flying Defender will show its lift its wings will rock its turn will tighten can help things keeping turn relatively open prevent spiral-dive tendencies reality once model lift will pretty much take care itself precautions should taken would avoid getting too high too far downwind no reason stick patch lift visibility becomes problem fly upwind parallel field look another thermal have able see model get back such light wing loading deadstick landing model problem Line up model field some S-turns burn off altitude some practice model can landed feet Build yourself Defender join funyou will enjoy athews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Loaded features affordably priced Hobbicos Quick Field Charger provides ultimate convenience ultimate value well its special features voltmeter jacks 48V/60V Rx select switch three LED indicators unique voltage boost circuitry kinds add-ons would find chargers costing much Get Hobbico Quick Field Charger never again will dead radio batteries keep out air longl free brochure location dealer nearest please call 1-800-582-8948 ext 044F Dual Della Peak Snfrg OSt,E,ld EcAsNo ThoSU GREAT PLANES MODEL DISTRIBUTORS COMPANY P0 9909021 Cfla,pagn IL E182E 9021 26 Model Aviation o bafle rcause Hobbico Quick Field Charger theres no need miss minute flying time Designed exclusively charging radio batteries allows totally independent simultaneous charging Rx Tx packs Advanced Delta Peak operation makes fast charging radio batteries safer economical ever no tear overcharging can remove its case itll fit perfectly info power panel location field box ting handy charging station radio batteries I4OBBICO Uuwk Field hurgur
Edition: Model Aviation - 1996/05
Page Numbers: 16, 17, 18, 19, 20, 21, 22, 24, 26
NO OCR TEXT NO OCR TEXT nature hobbys enduring attractions Its notable few exceptions such rubber-powered Free Flight gas-powered Scale models flown thermals bear slight resemblance full-scale aircraft exceptions Scale Texaco models Wouldnt neat park easily seen good-looking Scale model thermal watch majestically climb power off driven some unseen force end flight landing model ones feet what design about Model design should confused sport Defender published April 1995 Model Aviation outlines dimensions same version has designed maximum lightness maximize its ability thermal version Aeronca Defender Model T designed utilizing lessons learned converting number Old-Timer pre-1942 Free Flight designs two- three-channel RC Old-Timers thrilling particularly realistic appearance design combines best aspects Old-Timer Scale looks easily seen constructed size Powered K&B 20 Sportster Defender will climb thermal height 30 seconds less Its structure just strong enough withstand turbulence big boomers yet light enough stay up weakest lift intent trick up engine keep running eight minutes 10-minute flight has happened Scale Texaco interested thermals engines lack more-inspired name have labeled Radio Control Scale Duration ARCSD Whether concept has appeal competition-oriented flier beside point power themI intend fly fun size weight power combination seems nearly ideal maximum fun minimum fuss anyone has built Old-Timer light-wing-loading sport design Defenders construction should familiar Its simple build easy maintain aesthetically pleasing hard-to-beat combination Scale Duration Defender intended sport flying Its aerobatic capabilities severely limited its structure loops rolls other aerobatics thing take another look sport version model April 1995 MA have harbored dreams flying larger radiocontrolled version 25-cent kits childhood thermaling easy-to-see Scale model model fulfill fantasies CONSTRUCTION cant see model appealing being suitable inexperienced modeler Therefore building instructions presume some degree building experience key word building model lightnot strong robust wood should lightweight free imperfections stripwood reasonable density cannot located consider purchasing balsa stripper cutting strip light balsa sheet Wing ribs 10-12-pound C-grain surface outlines should light A-grain main adhesive cyanoacrylate CyA glue used sparingly Epoxy used sparingly mount firewall landing gear blocks dihedral gussets Avoid colored paint like plaguethe weight penalty intolerable structure needs stiffness MonoKote/UltraCote Ive no experience Litespan may well worth consideration Real craftsman may wish use colored silk clear dope accessories such wheels should selected light weight Its building Free Flight model key success Defender keeping construction An inverted K&B 20 Sportster provides power engine light possible Build likes Free Flight model hidden inside fiberglass cowl Precision Fiberglass 18 Model Aviation nders design lends itself thermal hunting K&B 20 Sportster carries high-wing model altitude Photos author Graphic Design Carla Kunz adding weight radio Keep light using three one-ounce servos 125-ounce battery pack 13-ounce receiver able hold model very close 10-ounces-per-square-foot goal another ounce wont bother consider spending 270-mAh pack Twice Ive absorbed watching Defender float around Ive lost track time gone past 20 minutes charge thats available 100-mAh pack torque-rod landing gear shock-mounted fairings work rather well lightest ideas could devise Have some spare wire available case make mistake bend its virtually impossible bend out errors music wire fiberglass cowling available Precision Fiberglass 2805 Big Bend Dr Maryville TN 37801 Tel [800] 753-8469 requires light coat filler followed two spray coats color match covering dummy cylinders cut block balsa Use double-sided tape hold sandpaper cowling rub dummies against create neat joint Dowel sections used nail cylinders cowling use epoxy Other details made scraps balsa inverted engine has presented starting problems electric starter has used tank plumbing should place vent top bottom easy filling emptying Tail Feathers outline pieces easily developed use carbon paper draw outline onto balsa jigsaw outline separate elevator halves until wire joiner has installed usual hinged surface shapes block-sanded outer surfaces sanded resemble tubing full-scale Install hinges after covering complete Wing A wing-rib master pattern can made placing carbon paper between drawing section plywood Use pattern cut ribs stacks light C-grain sheet obtain final contour use jigsaw carve block-sand Try cut spar notches accurate possible Build wing panels over drawing bottom up Use precut shear webs position ribs Cut bottom spars flush outside tip rib position tips Scrap-balsa spar extensions used reinforce tips most-inboard wing rib tilted using jig centersection ribs installed right angle building surface panels removed board edges sanded true Building fuselage sides classic one-atop-the-otherThe bottom nose developed balsa strips fair method helps ensure identical constructioninto landing-gear mount Fairing /e Lite Ply May1996 19 wing panels glued together slots dihedral braces cut taped-together hacksaw blades most-inboard ribs wing panel angled provide dihedral glued right-angle center-section ribs dihedral bevel sanded Since no center-section sheeting used its necessary use plywood dihedral gussets wing prefer assemble wing cut slots gussets taped-together hacksaw blades mark cut plywood gussets epoxy place way wing dihedral set sanding gussets cut match greatly reducing likelihood error leading-edge tip fillers sanded blend overall contour Fuselage Identical sides developed classic one-atop-theother Old-Timer fashion using scraps masking tape keep sticking other firewalls triangular stock other miscellaneous pieces installed after two halves popped apart ladders fabricated directly over plans holes should located drilled time Assemble two sides using ladders firewall align forward section Use masking tape hold things together checking squareness planes Adjust components until box true assemble everything permanently flowing medium CyA along joints Pull tail section together clothespins seam must center fuselage Place model over drawings top view check alignment CyA joint Cut install crossmembers pairs constantly checking squareness engine should rough-positioned cowling appropriate shaft-exit head-passage holes can cut fiberglass Place engine mount firewall adjust match cowling youre satisfied alignment spot-glue mount onto firewall CyA remove cowling mark drill holes mounting bolts blind nuts As cowled engine should larger allowance air exit air entry Cut largish hole bottom cowling approximately size cylinder head Entry air will routed through scale locations through areas around dummy cylinders fiberglass has removed sheeting tank areas top moistened waterdiluted ammonia carefully pulled over formers Flow medium CyA joints pull sheet down starting sides working toward center strip Use steel straightedge cut midline being careful remove half center strip Repeat technique other half Use straightedge carefully trim second sheet until fits snugly against first CyA place bottom nose developed balsa strips block-sanded fair landing-gear mount Hardwood stringers added sides top bottom faired tail post cabin top CT fabricated cross-grained pieces balsa have moistened diluted ammonia clamped bottom surface wings center section pieces masking tape allowed dry Use aliphatic resin glue between halves tape underside wings center section Install fuselage top after adhesive has cured Scrap sections balsa used build-up area around front-wing hold-down dowel its proper angle should epoxied place radio installation should light possible Sections inch-square basswood epoxied Lite Ply side strips used servo rails Velcro attaches battery receiver Lite Ply 20 Model Aviation -section details showing stabilizer rudder controlhorn locations Nylon-tube pushrods used Three one-ounce servos mount basswood rails Velcro attaches battery receiver strip cabin floor Landing-gear installation Music-wire landing-gear struts mount grooved block theyre held place nylon straps extra-light construction requires strong MokoKote-type covering material Avoid low-temperature soft coverings 5/16 BALSA SHEET TRIM AFTER3218 BALSA SWEET3/16 BIB FOR DOWEL ASSEMBLY FOR WINDSCREEN5/181 5/B HARDWOOD TRUNIONLANDING GEAR DETAIL WOCB Sb SB 665 GES VI118 FORE AND AFT. 114 BALSA FUSELASEI/B LITE PLO ISIDE TOP IWIDEN SLOTBEND OH 131 STRAP 3/I6l/B BALSADRILL I/B DIA LID LITE PLY 4 40 T-NDTSDIV OH 131 AND BOLTSNYLON STRAP THRUST LINE 3/ID XLH BALSA DSCREEN PATTERN 3/ID BALSAI ISHEET030 CLEAR PLASTIC- COTNO 12 3/ID BALSAOVERSIZE AND TRIM TO FIT-28 DIVRUDDER SWEETIDIG EM SAlMUSIC WIREBAND MOUNT -F-2MARE 2LANDING GEAR THROTTLE3/32 BALSA SHEETFAIRI NG FRAME C_____PU SR ROD ______FRONT VIEWCT-2 3/ID BALSA SHEET FRAME BTWO LAMINATIONS OF 3132 BALSA SHEET3118FIREWALLF-I ____________FORM 8 MATCH UNDERSIDE OF WINO REVELPlYWOOD3/ID BALSA FHONT TO BLEND WITH WINDSCREEN ID SUPFORT PRE- FINTAPER RUDDER FONT FROM THE INSIDE -3/0 BALSA SAEET _____________1 __I BUD 20 SPORTOTER3/32I/WDOWELDID CLEAR/I3/IN BALSAD ENGINE ON DID EM-BALSA Vol LONG MOTORSHEET3/ID SO_______- NOISE o MOUNT USA 3-TEE LSAI/RI I/HB 1114 TAPER _ i IN COWL MUFFLERFIREWALL cn _MEDIUM NYLON NYRCES EHI3S-ELEV SASRED RISAT SIDEI/O DIA MUSIC WIRE BADDERSOLID LEFT SIDENYLONW THBAST04 --j\VA ROUND LONSERONSRDDDER YRROWSAR PLY TAILDOID SUPPORT THEIR4BA.SA- -D-________________ PRECISION FIBERDLASS VELCRO ADjUST LOCATIONSPECIFICATIONS0r2545N COWL -LEFT SlOE/BETTED COWL IS AVAILABLE FROMTO BALANCE PRECISION FIBERGLASS3/N SAWINO SPAN70 _________CHORD. ID I/HMODEL AVIATIONw OROS BIS BEND 1/4 BALSAAREA SB IN MAMYVILLE BS3SWEET MIN WT87 02AERONCA DEFENDER0 PDWER6DB SPORYSTERDESIGNER BY S B MATREWSD COWL ATTACH IWREELSND ID BOBBER BANDA B/C SCALEBUBATIONDRAWN BY S B MATHEWS___ BLOEBS 2 CNNAR EG SBRED PLANS MO JOE DEMAMCO DAMMY ENUINE PROM BALSA SCREWS AND4 CORIPUTERIZEO 2/76/96 IESTAD SIBBIUBOI RPM 71 WASHERS BOUND ALL EXTERIOR USE OST H INS ES I/TE 3/0 BALSA WINO STOUT MOONT I/OH /2 LIORT BALSA LEADINO PINE MONO BIT FACES CLAMP TOGETHER MOE flS WITU SMIE EPOXY AT FOR OPPOSITE WISp EASEL AETEM- TIlE S SEFTIOCIO ABE OSSEASLED CAT CLOTS ONE 00 O TIME TOM TOE OIOEMBML MMACESBITOBTMCESAM MLAOCSTOBEATOMBTOEREPOMO BRACES M OLACE ALL AUSECTS ABE ALTA ELASU AlTO BOTTOM3/IA TOLSO STEET FILL 1 AI/B LITE PLY AINS TIP 3/IA BALSA OTEET FILL I/O LITE PLY SECT A-A SCOOP OOLSA TOP ONLY 3 OIOESOOL SLOT INTO SCOOT ANO COO SIG 00-101 LO STOOP H\ AB 3B BOSOWOCO P FRONT LEFT PEAT LEFT nWINO STOAT WINO STOAT 11 \L p \IT fj EPOXY WING STRUT OPTIONAL CEN SEC 3/IA BALSA 5 000 CT 3/IA SQ BALSA TOP ONLO ii I/IA BALSA SOCET WEBS -SCOT GO/AN LEFT V ING PLAIT /3/IA 3/IC SR BALSA 1BALSA SPARS TOPGO SS ETS AOTTOM 3/IA SO BALSA SCAB TOP ONLY ER O/I6 BALSA GAS SETS I/IA PLY TOP ONLY NOTE SOC 510 SR 1310 STOOPS 3 PER UNIT BENO TO FT FLUSH WITH WINO AOTTOM USE P SB SCOEWS ROLO TO OTOUT MOUNTS STOOTS ATE SANDED TO AffiEQIL SHAPE FINISH WITO SUPEOPOOS FILLER B PAINT / t TLT THIS BIB USING JIG BALSA C ASSETS 3/3/ C GRAIN BALSA SHEET 25 WING RIB PATTERN 3/b 3/8 MED1 BALSA SPARS TOP B BOTTOM TOT/SQ BALOA OPOOS TOP & BOTTOM7 S/IC Il/A 0/ALSO TRAILING ESOE-LSI{C STOCH-NOTETI POT BALSA RIBS S/SO C-GBAIN I/H I/O BALSA L E USE LIGHT STOCO / IA BALSA SHEET BEBS-OEBT GOAIN I VA CS/B BALS MOONT- FLOOR RIGHT ING PLA WINO OTOOT WITO BOTTOM 3/IA 7i OALSA OUSS CT F 3/IA BALSA OUSSET I/H BALSA I/A BALSA BALSA A- H~ __________________________________ /JOINER IIA MAI P4BALSAELCO TABOWO STEETS/B OP 04 SGS/B DOWN S/IA I/HI/A BALSA SHEETBALSA BALSA z .-L C CROSS SECTION 08 PLY OIBEOCAL BRACE MAKE FROM SCOOP SHEET DIHEDRAL JIG L I/B PLY CUSTOM MAKE BT MOBBING BLARE IN SLOT MARE 2 DIHEDRAL BRACE SAND FROM BOTTOM TO MATER WIBO TIP 3/IA BALSA FILL -J N 7 /3/IC BALSA FILL SCRAP BALSA FL, TOP ONLY 3 OIBEATAL AT EACB T P RERE I/H DG BALSA LEADINO EDOC 3/IC I/O BALGA FIN SLOTI/A BALSA SHEET K 0I234NA MODEL AVIATION AERONCA DEFENDER CESIONED MT S B MATHEWS BRAWN BC 0 B MATREWS NOES PLANS BY JOE DEMARCO cOMPUTERiZED 2/18/96 IESTAD OEMERAEO BIIEEC 8072 3 1N3 0 0 CD 0 4 NO OCR TEXT strip runs along bottom cabin smallest-available tank held behind firewall scrap rails Use flexible nylon-tube pushrods rudder elevator use cable throttle Roughen pushrods anti-flex brace tail-exit locations better adhesion 1/64-plywood window frames larger underlying framework makes sill clear plastic can adhered RIC-56 applied glue gun should done after fuselage has covered side windows developed simply scoring breaking plastic proper outline windscreen will require some trimming fit perfectly used paper punch make hole front hold-down dowel Install windscreen cutting narrow strip covering material away bottom border slipping plastic sill Adhere everything RIC-56 Use strips masking tape hold everything place glue dries raw edges can dressed trim tape struts assembled over drawings struts non-functional can kept light possible Slots cut nylon straps struts sanded airfoil Positioned wing banded fuselage straps affixed CyA struts attached #2 sheetmetal screws screwed small hard points wing along bottom longerons fuselage Finish As mentioned design must covered lowtemperature soft covering materials exposed wood fiberglass parts should given very light well-sanded coat filler K&B similar Matching colors lightly sprayed neat Aeronca Logo appropriate N numbers available high-quality vinyl JO Designs Rt 1 Box 225AA Stratford OK 74672 Flying This Defender light has much power recommend taking off half throttle less advancing power once model air Otherwise model accelerates rapidlyalmost jumping air its rather challenging keep level Defender will flying before ready model could also very easily hand-launched Rate climb pretty much function engine rpm fairly open left-hand climbing turn seems controlled straight-up climb has tendency get model over its back will astonished altitude can gained relatively short engine run Just before Defender gets too small see shut power off get ready have ton fun strongly recommend Dave Thornburgs Old Buzzards Soaring Book required reading anyone interest locating thermals model flying Defender will show its lift its wings will rock its turn will tighten can help things keeping turn relatively open prevent spiral-dive tendencies reality once model lift will pretty much take care itself precautions should taken would avoid getting too high too far downwind no reason stick patch lift visibility becomes problem fly upwind parallel field look another thermal have able see model get back such light wing loading deadstick landing model problem Line up model field some S-turns burn off altitude some practice model can landed feet Build yourself Defender join funyou will enjoy athews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Loaded features affordably priced Hobbicos Quick Field Charger provides ultimate convenience ultimate value well its special features voltmeter jacks 48V/60V Rx select switch three LED indicators unique voltage boost circuitry kinds add-ons would find chargers costing much Get Hobbico Quick Field Charger never again will dead radio batteries keep out air longl free brochure location dealer nearest please call 1-800-582-8948 ext 044F Dual Della Peak Snfrg OSt,E,ld EcAsNo ThoSU GREAT PLANES MODEL DISTRIBUTORS COMPANY P0 9909021 Cfla,pagn IL E182E 9021 26 Model Aviation o bafle rcause Hobbico Quick Field Charger theres no need miss minute flying time Designed exclusively charging radio batteries allows totally independent simultaneous charging Rx Tx packs Advanced Delta Peak operation makes fast charging radio batteries safer economical ever no tear overcharging can remove its case itll fit perfectly info power panel location field box ting handy charging station radio batteries I4OBBICO Uuwk Field hurgur
Edition: Model Aviation - 1996/05
Page Numbers: 16, 17, 18, 19, 20, 21, 22, 24, 26
NO OCR TEXT NO OCR TEXT nature hobbys enduring attractions Its notable few exceptions such rubber-powered Free Flight gas-powered Scale models flown thermals bear slight resemblance full-scale aircraft exceptions Scale Texaco models Wouldnt neat park easily seen good-looking Scale model thermal watch majestically climb power off driven some unseen force end flight landing model ones feet what design about Model design should confused sport Defender published April 1995 Model Aviation outlines dimensions same version has designed maximum lightness maximize its ability thermal version Aeronca Defender Model T designed utilizing lessons learned converting number Old-Timer pre-1942 Free Flight designs two- three-channel RC Old-Timers thrilling particularly realistic appearance design combines best aspects Old-Timer Scale looks easily seen constructed size Powered K&B 20 Sportster Defender will climb thermal height 30 seconds less Its structure just strong enough withstand turbulence big boomers yet light enough stay up weakest lift intent trick up engine keep running eight minutes 10-minute flight has happened Scale Texaco interested thermals engines lack more-inspired name have labeled Radio Control Scale Duration ARCSD Whether concept has appeal competition-oriented flier beside point power themI intend fly fun size weight power combination seems nearly ideal maximum fun minimum fuss anyone has built Old-Timer light-wing-loading sport design Defenders construction should familiar Its simple build easy maintain aesthetically pleasing hard-to-beat combination Scale Duration Defender intended sport flying Its aerobatic capabilities severely limited its structure loops rolls other aerobatics thing take another look sport version model April 1995 MA have harbored dreams flying larger radiocontrolled version 25-cent kits childhood thermaling easy-to-see Scale model model fulfill fantasies CONSTRUCTION cant see model appealing being suitable inexperienced modeler Therefore building instructions presume some degree building experience key word building model lightnot strong robust wood should lightweight free imperfections stripwood reasonable density cannot located consider purchasing balsa stripper cutting strip light balsa sheet Wing ribs 10-12-pound C-grain surface outlines should light A-grain main adhesive cyanoacrylate CyA glue used sparingly Epoxy used sparingly mount firewall landing gear blocks dihedral gussets Avoid colored paint like plaguethe weight penalty intolerable structure needs stiffness MonoKote/UltraCote Ive no experience Litespan may well worth consideration Real craftsman may wish use colored silk clear dope accessories such wheels should selected light weight Its building Free Flight model key success Defender keeping construction An inverted K&B 20 Sportster provides power engine light possible Build likes Free Flight model hidden inside fiberglass cowl Precision Fiberglass 18 Model Aviation nders design lends itself thermal hunting K&B 20 Sportster carries high-wing model altitude Photos author Graphic Design Carla Kunz adding weight radio Keep light using three one-ounce servos 125-ounce battery pack 13-ounce receiver able hold model very close 10-ounces-per-square-foot goal another ounce wont bother consider spending 270-mAh pack Twice Ive absorbed watching Defender float around Ive lost track time gone past 20 minutes charge thats available 100-mAh pack torque-rod landing gear shock-mounted fairings work rather well lightest ideas could devise Have some spare wire available case make mistake bend its virtually impossible bend out errors music wire fiberglass cowling available Precision Fiberglass 2805 Big Bend Dr Maryville TN 37801 Tel [800] 753-8469 requires light coat filler followed two spray coats color match covering dummy cylinders cut block balsa Use double-sided tape hold sandpaper cowling rub dummies against create neat joint Dowel sections used nail cylinders cowling use epoxy Other details made scraps balsa inverted engine has presented starting problems electric starter has used tank plumbing should place vent top bottom easy filling emptying Tail Feathers outline pieces easily developed use carbon paper draw outline onto balsa jigsaw outline separate elevator halves until wire joiner has installed usual hinged surface shapes block-sanded outer surfaces sanded resemble tubing full-scale Install hinges after covering complete Wing A wing-rib master pattern can made placing carbon paper between drawing section plywood Use pattern cut ribs stacks light C-grain sheet obtain final contour use jigsaw carve block-sand Try cut spar notches accurate possible Build wing panels over drawing bottom up Use precut shear webs position ribs Cut bottom spars flush outside tip rib position tips Scrap-balsa spar extensions used reinforce tips most-inboard wing rib tilted using jig centersection ribs installed right angle building surface panels removed board edges sanded true Building fuselage sides classic one-atop-the-otherThe bottom nose developed balsa strips fair method helps ensure identical constructioninto landing-gear mount Fairing /e Lite Ply May1996 19 wing panels glued together slots dihedral braces cut taped-together hacksaw blades most-inboard ribs wing panel angled provide dihedral glued right-angle center-section ribs dihedral bevel sanded Since no center-section sheeting used its necessary use plywood dihedral gussets wing prefer assemble wing cut slots gussets taped-together hacksaw blades mark cut plywood gussets epoxy place way wing dihedral set sanding gussets cut match greatly reducing likelihood error leading-edge tip fillers sanded blend overall contour Fuselage Identical sides developed classic one-atop-theother Old-Timer fashion using scraps masking tape keep sticking other firewalls triangular stock other miscellaneous pieces installed after two halves popped apart ladders fabricated directly over plans holes should located drilled time Assemble two sides using ladders firewall align forward section Use masking tape hold things together checking squareness planes Adjust components until box true assemble everything permanently flowing medium CyA along joints Pull tail section together clothespins seam must center fuselage Place model over drawings top view check alignment CyA joint Cut install crossmembers pairs constantly checking squareness engine should rough-positioned cowling appropriate shaft-exit head-passage holes can cut fiberglass Place engine mount firewall adjust match cowling youre satisfied alignment spot-glue mount onto firewall CyA remove cowling mark drill holes mounting bolts blind nuts As cowled engine should larger allowance air exit air entry Cut largish hole bottom cowling approximately size cylinder head Entry air will routed through scale locations through areas around dummy cylinders fiberglass has removed sheeting tank areas top moistened waterdiluted ammonia carefully pulled over formers Flow medium CyA joints pull sheet down starting sides working toward center strip Use steel straightedge cut midline being careful remove half center strip Repeat technique other half Use straightedge carefully trim second sheet until fits snugly against first CyA place bottom nose developed balsa strips block-sanded fair landing-gear mount Hardwood stringers added sides top bottom faired tail post cabin top CT fabricated cross-grained pieces balsa have moistened diluted ammonia clamped bottom surface wings center section pieces masking tape allowed dry Use aliphatic resin glue between halves tape underside wings center section Install fuselage top after adhesive has cured Scrap sections balsa used build-up area around front-wing hold-down dowel its proper angle should epoxied place radio installation should light possible Sections inch-square basswood epoxied Lite Ply side strips used servo rails Velcro attaches battery receiver Lite Ply 20 Model Aviation -section details showing stabilizer rudder controlhorn locations Nylon-tube pushrods used Three one-ounce servos mount basswood rails Velcro attaches battery receiver strip cabin floor Landing-gear installation Music-wire landing-gear struts mount grooved block theyre held place nylon straps extra-light construction requires strong MokoKote-type covering material Avoid low-temperature soft coverings 5/16 BALSA SHEET TRIM AFTER3218 BALSA SWEET3/16 BIB FOR DOWEL ASSEMBLY FOR WINDSCREEN5/181 5/B HARDWOOD TRUNIONLANDING GEAR DETAIL WOCB Sb SB 665 GES VI118 FORE AND AFT. 114 BALSA FUSELASEI/B LITE PLO ISIDE TOP IWIDEN SLOTBEND OH 131 STRAP 3/I6l/B BALSADRILL I/B DIA LID LITE PLY 4 40 T-NDTSDIV OH 131 AND BOLTSNYLON STRAP THRUST LINE 3/ID XLH BALSA DSCREEN PATTERN 3/ID BALSAI ISHEET030 CLEAR PLASTIC- COTNO 12 3/ID BALSAOVERSIZE AND TRIM TO FIT-28 DIVRUDDER SWEETIDIG EM SAlMUSIC WIREBAND MOUNT -F-2MARE 2LANDING GEAR THROTTLE3/32 BALSA SHEETFAIRI NG FRAME C_____PU SR ROD ______FRONT VIEWCT-2 3/ID BALSA SHEET FRAME BTWO LAMINATIONS OF 3132 BALSA SHEET3118FIREWALLF-I ____________FORM 8 MATCH UNDERSIDE OF WINO REVELPlYWOOD3/ID BALSA FHONT TO BLEND WITH WINDSCREEN ID SUPFORT PRE- FINTAPER RUDDER FONT FROM THE INSIDE -3/0 BALSA SAEET _____________1 __I BUD 20 SPORTOTER3/32I/WDOWELDID CLEAR/I3/IN BALSAD ENGINE ON DID EM-BALSA Vol LONG MOTORSHEET3/ID SO_______- NOISE o MOUNT USA 3-TEE LSAI/RI I/HB 1114 TAPER _ i IN COWL MUFFLERFIREWALL cn _MEDIUM NYLON NYRCES EHI3S-ELEV SASRED RISAT SIDEI/O DIA MUSIC WIRE BADDERSOLID LEFT SIDENYLONW THBAST04 --j\VA ROUND LONSERONSRDDDER YRROWSAR PLY TAILDOID SUPPORT THEIR4BA.SA- -D-________________ PRECISION FIBERDLASS VELCRO ADjUST LOCATIONSPECIFICATIONS0r2545N COWL -LEFT SlOE/BETTED COWL IS AVAILABLE FROMTO BALANCE PRECISION FIBERGLASS3/N SAWINO SPAN70 _________CHORD. ID I/HMODEL AVIATIONw OROS BIS BEND 1/4 BALSAAREA SB IN MAMYVILLE BS3SWEET MIN WT87 02AERONCA DEFENDER0 PDWER6DB SPORYSTERDESIGNER BY S B MATREWSD COWL ATTACH IWREELSND ID BOBBER BANDA B/C SCALEBUBATIONDRAWN BY S B MATHEWS___ BLOEBS 2 CNNAR EG SBRED PLANS MO JOE DEMAMCO DAMMY ENUINE PROM BALSA SCREWS AND4 CORIPUTERIZEO 2/76/96 IESTAD SIBBIUBOI RPM 71 WASHERS BOUND ALL EXTERIOR USE OST H INS ES I/TE 3/0 BALSA WINO STOUT MOONT I/OH /2 LIORT BALSA LEADINO PINE MONO BIT FACES CLAMP TOGETHER MOE flS WITU SMIE EPOXY AT FOR OPPOSITE WISp EASEL AETEM- TIlE S SEFTIOCIO ABE OSSEASLED CAT CLOTS ONE 00 O TIME TOM TOE OIOEMBML MMACESBITOBTMCESAM MLAOCSTOBEATOMBTOEREPOMO BRACES M OLACE ALL AUSECTS ABE ALTA ELASU AlTO BOTTOM3/IA TOLSO STEET FILL 1 AI/B LITE PLY AINS TIP 3/IA BALSA OTEET FILL I/O LITE PLY SECT A-A SCOOP OOLSA TOP ONLY 3 OIOESOOL SLOT INTO SCOOT ANO COO SIG 00-101 LO STOOP H\ AB 3B BOSOWOCO P FRONT LEFT PEAT LEFT nWINO STOAT WINO STOAT 11 \L p \IT fj EPOXY WING STRUT OPTIONAL CEN SEC 3/IA BALSA 5 000 CT 3/IA SQ BALSA TOP ONLO ii I/IA BALSA SOCET WEBS -SCOT GO/AN LEFT V ING PLAIT /3/IA 3/IC SR BALSA 1BALSA SPARS TOPGO SS ETS AOTTOM 3/IA SO BALSA SCAB TOP ONLY ER O/I6 BALSA GAS SETS I/IA PLY TOP ONLY NOTE SOC 510 SR 1310 STOOPS 3 PER UNIT BENO TO FT FLUSH WITH WINO AOTTOM USE P SB SCOEWS ROLO TO OTOUT MOUNTS STOOTS ATE SANDED TO AffiEQIL SHAPE FINISH WITO SUPEOPOOS FILLER B PAINT / t TLT THIS BIB USING JIG BALSA C ASSETS 3/3/ C GRAIN BALSA SHEET 25 WING RIB PATTERN 3/b 3/8 MED1 BALSA SPARS TOP B BOTTOM TOT/SQ BALOA OPOOS TOP & BOTTOM7 S/IC Il/A 0/ALSO TRAILING ESOE-LSI{C STOCH-NOTETI POT BALSA RIBS S/SO C-GBAIN I/H I/O BALSA L E USE LIGHT STOCO / IA BALSA SHEET BEBS-OEBT GOAIN I VA CS/B BALS MOONT- FLOOR RIGHT ING PLA WINO OTOOT WITO BOTTOM 3/IA 7i OALSA OUSS CT F 3/IA BALSA OUSSET I/H BALSA I/A BALSA BALSA A- H~ __________________________________ /JOINER IIA MAI P4BALSAELCO TABOWO STEETS/B OP 04 SGS/B DOWN S/IA I/HI/A BALSA SHEETBALSA BALSA z .-L C CROSS SECTION 08 PLY OIBEOCAL BRACE MAKE FROM SCOOP SHEET DIHEDRAL JIG L I/B PLY CUSTOM MAKE BT MOBBING BLARE IN SLOT MARE 2 DIHEDRAL BRACE SAND FROM BOTTOM TO MATER WIBO TIP 3/IA BALSA FILL -J N 7 /3/IC BALSA FILL SCRAP BALSA FL, TOP ONLY 3 OIBEATAL AT EACB T P RERE I/H DG BALSA LEADINO EDOC 3/IC I/O BALGA FIN SLOTI/A BALSA SHEET K 0I234NA MODEL AVIATION AERONCA DEFENDER CESIONED MT S B MATHEWS BRAWN BC 0 B MATREWS NOES PLANS BY JOE DEMARCO cOMPUTERiZED 2/18/96 IESTAD OEMERAEO BIIEEC 8072 3 1N3 0 0 CD 0 4 NO OCR TEXT strip runs along bottom cabin smallest-available tank held behind firewall scrap rails Use flexible nylon-tube pushrods rudder elevator use cable throttle Roughen pushrods anti-flex brace tail-exit locations better adhesion 1/64-plywood window frames larger underlying framework makes sill clear plastic can adhered RIC-56 applied glue gun should done after fuselage has covered side windows developed simply scoring breaking plastic proper outline windscreen will require some trimming fit perfectly used paper punch make hole front hold-down dowel Install windscreen cutting narrow strip covering material away bottom border slipping plastic sill Adhere everything RIC-56 Use strips masking tape hold everything place glue dries raw edges can dressed trim tape struts assembled over drawings struts non-functional can kept light possible Slots cut nylon straps struts sanded airfoil Positioned wing banded fuselage straps affixed CyA struts attached #2 sheetmetal screws screwed small hard points wing along bottom longerons fuselage Finish As mentioned design must covered lowtemperature soft covering materials exposed wood fiberglass parts should given very light well-sanded coat filler K&B similar Matching colors lightly sprayed neat Aeronca Logo appropriate N numbers available high-quality vinyl JO Designs Rt 1 Box 225AA Stratford OK 74672 Flying This Defender light has much power recommend taking off half throttle less advancing power once model air Otherwise model accelerates rapidlyalmost jumping air its rather challenging keep level Defender will flying before ready model could also very easily hand-launched Rate climb pretty much function engine rpm fairly open left-hand climbing turn seems controlled straight-up climb has tendency get model over its back will astonished altitude can gained relatively short engine run Just before Defender gets too small see shut power off get ready have ton fun strongly recommend Dave Thornburgs Old Buzzards Soaring Book required reading anyone interest locating thermals model flying Defender will show its lift its wings will rock its turn will tighten can help things keeping turn relatively open prevent spiral-dive tendencies reality once model lift will pretty much take care itself precautions should taken would avoid getting too high too far downwind no reason stick patch lift visibility becomes problem fly upwind parallel field look another thermal have able see model get back such light wing loading deadstick landing model problem Line up model field some S-turns burn off altitude some practice model can landed feet Build yourself Defender join funyou will enjoy athews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Loaded features affordably priced Hobbicos Quick Field Charger provides ultimate convenience ultimate value well its special features voltmeter jacks 48V/60V Rx select switch three LED indicators unique voltage boost circuitry kinds add-ons would find chargers costing much Get Hobbico Quick Field Charger never again will dead radio batteries keep out air longl free brochure location dealer nearest please call 1-800-582-8948 ext 044F Dual Della Peak Snfrg OSt,E,ld EcAsNo ThoSU GREAT PLANES MODEL DISTRIBUTORS COMPANY P0 9909021 Cfla,pagn IL E182E 9021 26 Model Aviation o bafle rcause Hobbico Quick Field Charger theres no need miss minute flying time Designed exclusively charging radio batteries allows totally independent simultaneous charging Rx Tx packs Advanced Delta Peak operation makes fast charging radio batteries safer economical ever no tear overcharging can remove its case itll fit perfectly info power panel location field box ting handy charging station radio batteries I4OBBICO Uuwk Field hurgur
Edition: Model Aviation - 1996/05
Page Numbers: 16, 17, 18, 19, 20, 21, 22, 24, 26
NO OCR TEXT NO OCR TEXT nature hobbys enduring attractions Its notable few exceptions such rubber-powered Free Flight gas-powered Scale models flown thermals bear slight resemblance full-scale aircraft exceptions Scale Texaco models Wouldnt neat park easily seen good-looking Scale model thermal watch majestically climb power off driven some unseen force end flight landing model ones feet what design about Model design should confused sport Defender published April 1995 Model Aviation outlines dimensions same version has designed maximum lightness maximize its ability thermal version Aeronca Defender Model T designed utilizing lessons learned converting number Old-Timer pre-1942 Free Flight designs two- three-channel RC Old-Timers thrilling particularly realistic appearance design combines best aspects Old-Timer Scale looks easily seen constructed size Powered K&B 20 Sportster Defender will climb thermal height 30 seconds less Its structure just strong enough withstand turbulence big boomers yet light enough stay up weakest lift intent trick up engine keep running eight minutes 10-minute flight has happened Scale Texaco interested thermals engines lack more-inspired name have labeled Radio Control Scale Duration ARCSD Whether concept has appeal competition-oriented flier beside point power themI intend fly fun size weight power combination seems nearly ideal maximum fun minimum fuss anyone has built Old-Timer light-wing-loading sport design Defenders construction should familiar Its simple build easy maintain aesthetically pleasing hard-to-beat combination Scale Duration Defender intended sport flying Its aerobatic capabilities severely limited its structure loops rolls other aerobatics thing take another look sport version model April 1995 MA have harbored dreams flying larger radiocontrolled version 25-cent kits childhood thermaling easy-to-see Scale model model fulfill fantasies CONSTRUCTION cant see model appealing being suitable inexperienced modeler Therefore building instructions presume some degree building experience key word building model lightnot strong robust wood should lightweight free imperfections stripwood reasonable density cannot located consider purchasing balsa stripper cutting strip light balsa sheet Wing ribs 10-12-pound C-grain surface outlines should light A-grain main adhesive cyanoacrylate CyA glue used sparingly Epoxy used sparingly mount firewall landing gear blocks dihedral gussets Avoid colored paint like plaguethe weight penalty intolerable structure needs stiffness MonoKote/UltraCote Ive no experience Litespan may well worth consideration Real craftsman may wish use colored silk clear dope accessories such wheels should selected light weight Its building Free Flight model key success Defender keeping construction An inverted K&B 20 Sportster provides power engine light possible Build likes Free Flight model hidden inside fiberglass cowl Precision Fiberglass 18 Model Aviation nders design lends itself thermal hunting K&B 20 Sportster carries high-wing model altitude Photos author Graphic Design Carla Kunz adding weight radio Keep light using three one-ounce servos 125-ounce battery pack 13-ounce receiver able hold model very close 10-ounces-per-square-foot goal another ounce wont bother consider spending 270-mAh pack Twice Ive absorbed watching Defender float around Ive lost track time gone past 20 minutes charge thats available 100-mAh pack torque-rod landing gear shock-mounted fairings work rather well lightest ideas could devise Have some spare wire available case make mistake bend its virtually impossible bend out errors music wire fiberglass cowling available Precision Fiberglass 2805 Big Bend Dr Maryville TN 37801 Tel [800] 753-8469 requires light coat filler followed two spray coats color match covering dummy cylinders cut block balsa Use double-sided tape hold sandpaper cowling rub dummies against create neat joint Dowel sections used nail cylinders cowling use epoxy Other details made scraps balsa inverted engine has presented starting problems electric starter has used tank plumbing should place vent top bottom easy filling emptying Tail Feathers outline pieces easily developed use carbon paper draw outline onto balsa jigsaw outline separate elevator halves until wire joiner has installed usual hinged surface shapes block-sanded outer surfaces sanded resemble tubing full-scale Install hinges after covering complete Wing A wing-rib master pattern can made placing carbon paper between drawing section plywood Use pattern cut ribs stacks light C-grain sheet obtain final contour use jigsaw carve block-sand Try cut spar notches accurate possible Build wing panels over drawing bottom up Use precut shear webs position ribs Cut bottom spars flush outside tip rib position tips Scrap-balsa spar extensions used reinforce tips most-inboard wing rib tilted using jig centersection ribs installed right angle building surface panels removed board edges sanded true Building fuselage sides classic one-atop-the-otherThe bottom nose developed balsa strips fair method helps ensure identical constructioninto landing-gear mount Fairing /e Lite Ply May1996 19 wing panels glued together slots dihedral braces cut taped-together hacksaw blades most-inboard ribs wing panel angled provide dihedral glued right-angle center-section ribs dihedral bevel sanded Since no center-section sheeting used its necessary use plywood dihedral gussets wing prefer assemble wing cut slots gussets taped-together hacksaw blades mark cut plywood gussets epoxy place way wing dihedral set sanding gussets cut match greatly reducing likelihood error leading-edge tip fillers sanded blend overall contour Fuselage Identical sides developed classic one-atop-theother Old-Timer fashion using scraps masking tape keep sticking other firewalls triangular stock other miscellaneous pieces installed after two halves popped apart ladders fabricated directly over plans holes should located drilled time Assemble two sides using ladders firewall align forward section Use masking tape hold things together checking squareness planes Adjust components until box true assemble everything permanently flowing medium CyA along joints Pull tail section together clothespins seam must center fuselage Place model over drawings top view check alignment CyA joint Cut install crossmembers pairs constantly checking squareness engine should rough-positioned cowling appropriate shaft-exit head-passage holes can cut fiberglass Place engine mount firewall adjust match cowling youre satisfied alignment spot-glue mount onto firewall CyA remove cowling mark drill holes mounting bolts blind nuts As cowled engine should larger allowance air exit air entry Cut largish hole bottom cowling approximately size cylinder head Entry air will routed through scale locations through areas around dummy cylinders fiberglass has removed sheeting tank areas top moistened waterdiluted ammonia carefully pulled over formers Flow medium CyA joints pull sheet down starting sides working toward center strip Use steel straightedge cut midline being careful remove half center strip Repeat technique other half Use straightedge carefully trim second sheet until fits snugly against first CyA place bottom nose developed balsa strips block-sanded fair landing-gear mount Hardwood stringers added sides top bottom faired tail post cabin top CT fabricated cross-grained pieces balsa have moistened diluted ammonia clamped bottom surface wings center section pieces masking tape allowed dry Use aliphatic resin glue between halves tape underside wings center section Install fuselage top after adhesive has cured Scrap sections balsa used build-up area around front-wing hold-down dowel its proper angle should epoxied place radio installation should light possible Sections inch-square basswood epoxied Lite Ply side strips used servo rails Velcro attaches battery receiver Lite Ply 20 Model Aviation -section details showing stabilizer rudder controlhorn locations Nylon-tube pushrods used Three one-ounce servos mount basswood rails Velcro attaches battery receiver strip cabin floor Landing-gear installation Music-wire landing-gear struts mount grooved block theyre held place nylon straps extra-light construction requires strong MokoKote-type covering material Avoid low-temperature soft coverings 5/16 BALSA SHEET TRIM AFTER3218 BALSA SWEET3/16 BIB FOR DOWEL ASSEMBLY FOR WINDSCREEN5/181 5/B HARDWOOD TRUNIONLANDING GEAR DETAIL WOCB Sb SB 665 GES VI118 FORE AND AFT. 114 BALSA FUSELASEI/B LITE PLO ISIDE TOP IWIDEN SLOTBEND OH 131 STRAP 3/I6l/B BALSADRILL I/B DIA LID LITE PLY 4 40 T-NDTSDIV OH 131 AND BOLTSNYLON STRAP THRUST LINE 3/ID XLH BALSA DSCREEN PATTERN 3/ID BALSAI ISHEET030 CLEAR PLASTIC- COTNO 12 3/ID BALSAOVERSIZE AND TRIM TO FIT-28 DIVRUDDER SWEETIDIG EM SAlMUSIC WIREBAND MOUNT -F-2MARE 2LANDING GEAR THROTTLE3/32 BALSA SHEETFAIRI NG FRAME C_____PU SR ROD ______FRONT VIEWCT-2 3/ID BALSA SHEET FRAME BTWO LAMINATIONS OF 3132 BALSA SHEET3118FIREWALLF-I ____________FORM 8 MATCH UNDERSIDE OF WINO REVELPlYWOOD3/ID BALSA FHONT TO BLEND WITH WINDSCREEN ID SUPFORT PRE- FINTAPER RUDDER FONT FROM THE INSIDE -3/0 BALSA SAEET _____________1 __I BUD 20 SPORTOTER3/32I/WDOWELDID CLEAR/I3/IN BALSAD ENGINE ON DID EM-BALSA Vol LONG MOTORSHEET3/ID SO_______- NOISE o MOUNT USA 3-TEE LSAI/RI I/HB 1114 TAPER _ i IN COWL MUFFLERFIREWALL cn _MEDIUM NYLON NYRCES EHI3S-ELEV SASRED RISAT SIDEI/O DIA MUSIC WIRE BADDERSOLID LEFT SIDENYLONW THBAST04 --j\VA ROUND LONSERONSRDDDER YRROWSAR PLY TAILDOID SUPPORT THEIR4BA.SA- -D-________________ PRECISION FIBERDLASS VELCRO ADjUST LOCATIONSPECIFICATIONS0r2545N COWL -LEFT SlOE/BETTED COWL IS AVAILABLE FROMTO BALANCE PRECISION FIBERGLASS3/N SAWINO SPAN70 _________CHORD. ID I/HMODEL AVIATIONw OROS BIS BEND 1/4 BALSAAREA SB IN MAMYVILLE BS3SWEET MIN WT87 02AERONCA DEFENDER0 PDWER6DB SPORYSTERDESIGNER BY S B MATREWSD COWL ATTACH IWREELSND ID BOBBER BANDA B/C SCALEBUBATIONDRAWN BY S B MATHEWS___ BLOEBS 2 CNNAR EG SBRED PLANS MO JOE DEMAMCO DAMMY ENUINE PROM BALSA SCREWS AND4 CORIPUTERIZEO 2/76/96 IESTAD SIBBIUBOI RPM 71 WASHERS BOUND ALL EXTERIOR USE OST H INS ES I/TE 3/0 BALSA WINO STOUT MOONT I/OH /2 LIORT BALSA LEADINO PINE MONO BIT FACES CLAMP TOGETHER MOE flS WITU SMIE EPOXY AT FOR OPPOSITE WISp EASEL AETEM- TIlE S SEFTIOCIO ABE OSSEASLED CAT CLOTS ONE 00 O TIME TOM TOE OIOEMBML MMACESBITOBTMCESAM MLAOCSTOBEATOMBTOEREPOMO BRACES M OLACE ALL AUSECTS ABE ALTA ELASU AlTO BOTTOM3/IA TOLSO STEET FILL 1 AI/B LITE PLY AINS TIP 3/IA BALSA OTEET FILL I/O LITE PLY SECT A-A SCOOP OOLSA TOP ONLY 3 OIOESOOL SLOT INTO SCOOT ANO COO SIG 00-101 LO STOOP H\ AB 3B BOSOWOCO P FRONT LEFT PEAT LEFT nWINO STOAT WINO STOAT 11 \L p \IT fj EPOXY WING STRUT OPTIONAL CEN SEC 3/IA BALSA 5 000 CT 3/IA SQ BALSA TOP ONLO ii I/IA BALSA SOCET WEBS -SCOT GO/AN LEFT V ING PLAIT /3/IA 3/IC SR BALSA 1BALSA SPARS TOPGO SS ETS AOTTOM 3/IA SO BALSA SCAB TOP ONLY ER O/I6 BALSA GAS SETS I/IA PLY TOP ONLY NOTE SOC 510 SR 1310 STOOPS 3 PER UNIT BENO TO FT FLUSH WITH WINO AOTTOM USE P SB SCOEWS ROLO TO OTOUT MOUNTS STOOTS ATE SANDED TO AffiEQIL SHAPE FINISH WITO SUPEOPOOS FILLER B PAINT / t TLT THIS BIB USING JIG BALSA C ASSETS 3/3/ C GRAIN BALSA SHEET 25 WING RIB PATTERN 3/b 3/8 MED1 BALSA SPARS TOP B BOTTOM TOT/SQ BALOA OPOOS TOP & BOTTOM7 S/IC Il/A 0/ALSO TRAILING ESOE-LSI{C STOCH-NOTETI POT BALSA RIBS S/SO C-GBAIN I/H I/O BALSA L E USE LIGHT STOCO / IA BALSA SHEET BEBS-OEBT GOAIN I VA CS/B BALS MOONT- FLOOR RIGHT ING PLA WINO OTOOT WITO BOTTOM 3/IA 7i OALSA OUSS CT F 3/IA BALSA OUSSET I/H BALSA I/A BALSA BALSA A- H~ __________________________________ /JOINER IIA MAI P4BALSAELCO TABOWO STEETS/B OP 04 SGS/B DOWN S/IA I/HI/A BALSA SHEETBALSA BALSA z .-L C CROSS SECTION 08 PLY OIBEOCAL BRACE MAKE FROM SCOOP SHEET DIHEDRAL JIG L I/B PLY CUSTOM MAKE BT MOBBING BLARE IN SLOT MARE 2 DIHEDRAL BRACE SAND FROM BOTTOM TO MATER WIBO TIP 3/IA BALSA FILL -J N 7 /3/IC BALSA FILL SCRAP BALSA FL, TOP ONLY 3 OIBEATAL AT EACB T P RERE I/H DG BALSA LEADINO EDOC 3/IC I/O BALGA FIN SLOTI/A BALSA SHEET K 0I234NA MODEL AVIATION AERONCA DEFENDER CESIONED MT S B MATHEWS BRAWN BC 0 B MATREWS NOES PLANS BY JOE DEMARCO cOMPUTERiZED 2/18/96 IESTAD OEMERAEO BIIEEC 8072 3 1N3 0 0 CD 0 4 NO OCR TEXT strip runs along bottom cabin smallest-available tank held behind firewall scrap rails Use flexible nylon-tube pushrods rudder elevator use cable throttle Roughen pushrods anti-flex brace tail-exit locations better adhesion 1/64-plywood window frames larger underlying framework makes sill clear plastic can adhered RIC-56 applied glue gun should done after fuselage has covered side windows developed simply scoring breaking plastic proper outline windscreen will require some trimming fit perfectly used paper punch make hole front hold-down dowel Install windscreen cutting narrow strip covering material away bottom border slipping plastic sill Adhere everything RIC-56 Use strips masking tape hold everything place glue dries raw edges can dressed trim tape struts assembled over drawings struts non-functional can kept light possible Slots cut nylon straps struts sanded airfoil Positioned wing banded fuselage straps affixed CyA struts attached #2 sheetmetal screws screwed small hard points wing along bottom longerons fuselage Finish As mentioned design must covered lowtemperature soft covering materials exposed wood fiberglass parts should given very light well-sanded coat filler K&B similar Matching colors lightly sprayed neat Aeronca Logo appropriate N numbers available high-quality vinyl JO Designs Rt 1 Box 225AA Stratford OK 74672 Flying This Defender light has much power recommend taking off half throttle less advancing power once model air Otherwise model accelerates rapidlyalmost jumping air its rather challenging keep level Defender will flying before ready model could also very easily hand-launched Rate climb pretty much function engine rpm fairly open left-hand climbing turn seems controlled straight-up climb has tendency get model over its back will astonished altitude can gained relatively short engine run Just before Defender gets too small see shut power off get ready have ton fun strongly recommend Dave Thornburgs Old Buzzards Soaring Book required reading anyone interest locating thermals model flying Defender will show its lift its wings will rock its turn will tighten can help things keeping turn relatively open prevent spiral-dive tendencies reality once model lift will pretty much take care itself precautions should taken would avoid getting too high too far downwind no reason stick patch lift visibility becomes problem fly upwind parallel field look another thermal have able see model get back such light wing loading deadstick landing model problem Line up model field some S-turns burn off altitude some practice model can landed feet Build yourself Defender join funyou will enjoy athews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Loaded features affordably priced Hobbicos Quick Field Charger provides ultimate convenience ultimate value well its special features voltmeter jacks 48V/60V Rx select switch three LED indicators unique voltage boost circuitry kinds add-ons would find chargers costing much Get Hobbico Quick Field Charger never again will dead radio batteries keep out air longl free brochure location dealer nearest please call 1-800-582-8948 ext 044F Dual Della Peak Snfrg OSt,E,ld EcAsNo ThoSU GREAT PLANES MODEL DISTRIBUTORS COMPANY P0 9909021 Cfla,pagn IL E182E 9021 26 Model Aviation o bafle rcause Hobbico Quick Field Charger theres no need miss minute flying time Designed exclusively charging radio batteries allows totally independent simultaneous charging Rx Tx packs Advanced Delta Peak operation makes fast charging radio batteries safer economical ever no tear overcharging can remove its case itll fit perfectly info power panel location field box ting handy charging station radio batteries I4OBBICO Uuwk Field hurgur
Edition: Model Aviation - 1996/05
Page Numbers: 16, 17, 18, 19, 20, 21, 22, 24, 26
NO OCR TEXT NO OCR TEXT nature hobbys enduring attractions Its notable few exceptions such rubber-powered Free Flight gas-powered Scale models flown thermals bear slight resemblance full-scale aircraft exceptions Scale Texaco models Wouldnt neat park easily seen good-looking Scale model thermal watch majestically climb power off driven some unseen force end flight landing model ones feet what design about Model design should confused sport Defender published April 1995 Model Aviation outlines dimensions same version has designed maximum lightness maximize its ability thermal version Aeronca Defender Model T designed utilizing lessons learned converting number Old-Timer pre-1942 Free Flight designs two- three-channel RC Old-Timers thrilling particularly realistic appearance design combines best aspects Old-Timer Scale looks easily seen constructed size Powered K&B 20 Sportster Defender will climb thermal height 30 seconds less Its structure just strong enough withstand turbulence big boomers yet light enough stay up weakest lift intent trick up engine keep running eight minutes 10-minute flight has happened Scale Texaco interested thermals engines lack more-inspired name have labeled Radio Control Scale Duration ARCSD Whether concept has appeal competition-oriented flier beside point power themI intend fly fun size weight power combination seems nearly ideal maximum fun minimum fuss anyone has built Old-Timer light-wing-loading sport design Defenders construction should familiar Its simple build easy maintain aesthetically pleasing hard-to-beat combination Scale Duration Defender intended sport flying Its aerobatic capabilities severely limited its structure loops rolls other aerobatics thing take another look sport version model April 1995 MA have harbored dreams flying larger radiocontrolled version 25-cent kits childhood thermaling easy-to-see Scale model model fulfill fantasies CONSTRUCTION cant see model appealing being suitable inexperienced modeler Therefore building instructions presume some degree building experience key word building model lightnot strong robust wood should lightweight free imperfections stripwood reasonable density cannot located consider purchasing balsa stripper cutting strip light balsa sheet Wing ribs 10-12-pound C-grain surface outlines should light A-grain main adhesive cyanoacrylate CyA glue used sparingly Epoxy used sparingly mount firewall landing gear blocks dihedral gussets Avoid colored paint like plaguethe weight penalty intolerable structure needs stiffness MonoKote/UltraCote Ive no experience Litespan may well worth consideration Real craftsman may wish use colored silk clear dope accessories such wheels should selected light weight Its building Free Flight model key success Defender keeping construction An inverted K&B 20 Sportster provides power engine light possible Build likes Free Flight model hidden inside fiberglass cowl Precision Fiberglass 18 Model Aviation nders design lends itself thermal hunting K&B 20 Sportster carries high-wing model altitude Photos author Graphic Design Carla Kunz adding weight radio Keep light using three one-ounce servos 125-ounce battery pack 13-ounce receiver able hold model very close 10-ounces-per-square-foot goal another ounce wont bother consider spending 270-mAh pack Twice Ive absorbed watching Defender float around Ive lost track time gone past 20 minutes charge thats available 100-mAh pack torque-rod landing gear shock-mounted fairings work rather well lightest ideas could devise Have some spare wire available case make mistake bend its virtually impossible bend out errors music wire fiberglass cowling available Precision Fiberglass 2805 Big Bend Dr Maryville TN 37801 Tel [800] 753-8469 requires light coat filler followed two spray coats color match covering dummy cylinders cut block balsa Use double-sided tape hold sandpaper cowling rub dummies against create neat joint Dowel sections used nail cylinders cowling use epoxy Other details made scraps balsa inverted engine has presented starting problems electric starter has used tank plumbing should place vent top bottom easy filling emptying Tail Feathers outline pieces easily developed use carbon paper draw outline onto balsa jigsaw outline separate elevator halves until wire joiner has installed usual hinged surface shapes block-sanded outer surfaces sanded resemble tubing full-scale Install hinges after covering complete Wing A wing-rib master pattern can made placing carbon paper between drawing section plywood Use pattern cut ribs stacks light C-grain sheet obtain final contour use jigsaw carve block-sand Try cut spar notches accurate possible Build wing panels over drawing bottom up Use precut shear webs position ribs Cut bottom spars flush outside tip rib position tips Scrap-balsa spar extensions used reinforce tips most-inboard wing rib tilted using jig centersection ribs installed right angle building surface panels removed board edges sanded true Building fuselage sides classic one-atop-the-otherThe bottom nose developed balsa strips fair method helps ensure identical constructioninto landing-gear mount Fairing /e Lite Ply May1996 19 wing panels glued together slots dihedral braces cut taped-together hacksaw blades most-inboard ribs wing panel angled provide dihedral glued right-angle center-section ribs dihedral bevel sanded Since no center-section sheeting used its necessary use plywood dihedral gussets wing prefer assemble wing cut slots gussets taped-together hacksaw blades mark cut plywood gussets epoxy place way wing dihedral set sanding gussets cut match greatly reducing likelihood error leading-edge tip fillers sanded blend overall contour Fuselage Identical sides developed classic one-atop-theother Old-Timer fashion using scraps masking tape keep sticking other firewalls triangular stock other miscellaneous pieces installed after two halves popped apart ladders fabricated directly over plans holes should located drilled time Assemble two sides using ladders firewall align forward section Use masking tape hold things together checking squareness planes Adjust components until box true assemble everything permanently flowing medium CyA along joints Pull tail section together clothespins seam must center fuselage Place model over drawings top view check alignment CyA joint Cut install crossmembers pairs constantly checking squareness engine should rough-positioned cowling appropriate shaft-exit head-passage holes can cut fiberglass Place engine mount firewall adjust match cowling youre satisfied alignment spot-glue mount onto firewall CyA remove cowling mark drill holes mounting bolts blind nuts As cowled engine should larger allowance air exit air entry Cut largish hole bottom cowling approximately size cylinder head Entry air will routed through scale locations through areas around dummy cylinders fiberglass has removed sheeting tank areas top moistened waterdiluted ammonia carefully pulled over formers Flow medium CyA joints pull sheet down starting sides working toward center strip Use steel straightedge cut midline being careful remove half center strip Repeat technique other half Use straightedge carefully trim second sheet until fits snugly against first CyA place bottom nose developed balsa strips block-sanded fair landing-gear mount Hardwood stringers added sides top bottom faired tail post cabin top CT fabricated cross-grained pieces balsa have moistened diluted ammonia clamped bottom surface wings center section pieces masking tape allowed dry Use aliphatic resin glue between halves tape underside wings center section Install fuselage top after adhesive has cured Scrap sections balsa used build-up area around front-wing hold-down dowel its proper angle should epoxied place radio installation should light possible Sections inch-square basswood epoxied Lite Ply side strips used servo rails Velcro attaches battery receiver Lite Ply 20 Model Aviation -section details showing stabilizer rudder controlhorn locations Nylon-tube pushrods used Three one-ounce servos mount basswood rails Velcro attaches battery receiver strip cabin floor Landing-gear installation Music-wire landing-gear struts mount grooved block theyre held place nylon straps extra-light construction requires strong MokoKote-type covering material Avoid low-temperature soft coverings 5/16 BALSA SHEET TRIM AFTER3218 BALSA SWEET3/16 BIB FOR DOWEL ASSEMBLY FOR WINDSCREEN5/181 5/B HARDWOOD TRUNIONLANDING GEAR DETAIL WOCB Sb SB 665 GES VI118 FORE AND AFT. 114 BALSA FUSELASEI/B LITE PLO ISIDE TOP IWIDEN SLOTBEND OH 131 STRAP 3/I6l/B BALSADRILL I/B DIA LID LITE PLY 4 40 T-NDTSDIV OH 131 AND BOLTSNYLON STRAP THRUST LINE 3/ID XLH BALSA DSCREEN PATTERN 3/ID BALSAI ISHEET030 CLEAR PLASTIC- COTNO 12 3/ID BALSAOVERSIZE AND TRIM TO FIT-28 DIVRUDDER SWEETIDIG EM SAlMUSIC WIREBAND MOUNT -F-2MARE 2LANDING GEAR THROTTLE3/32 BALSA SHEETFAIRI NG FRAME C_____PU SR ROD ______FRONT VIEWCT-2 3/ID BALSA SHEET FRAME BTWO LAMINATIONS OF 3132 BALSA SHEET3118FIREWALLF-I ____________FORM 8 MATCH UNDERSIDE OF WINO REVELPlYWOOD3/ID BALSA FHONT TO BLEND WITH WINDSCREEN ID SUPFORT PRE- FINTAPER RUDDER FONT FROM THE INSIDE -3/0 BALSA SAEET _____________1 __I BUD 20 SPORTOTER3/32I/WDOWELDID CLEAR/I3/IN BALSAD ENGINE ON DID EM-BALSA Vol LONG MOTORSHEET3/ID SO_______- NOISE o MOUNT USA 3-TEE LSAI/RI I/HB 1114 TAPER _ i IN COWL MUFFLERFIREWALL cn _MEDIUM NYLON NYRCES EHI3S-ELEV SASRED RISAT SIDEI/O DIA MUSIC WIRE BADDERSOLID LEFT SIDENYLONW THBAST04 --j\VA ROUND LONSERONSRDDDER YRROWSAR PLY TAILDOID SUPPORT THEIR4BA.SA- -D-________________ PRECISION FIBERDLASS VELCRO ADjUST LOCATIONSPECIFICATIONS0r2545N COWL -LEFT SlOE/BETTED COWL IS AVAILABLE FROMTO BALANCE PRECISION FIBERGLASS3/N SAWINO SPAN70 _________CHORD. ID I/HMODEL AVIATIONw OROS BIS BEND 1/4 BALSAAREA SB IN MAMYVILLE BS3SWEET MIN WT87 02AERONCA DEFENDER0 PDWER6DB SPORYSTERDESIGNER BY S B MATREWSD COWL ATTACH IWREELSND ID BOBBER BANDA B/C SCALEBUBATIONDRAWN BY S B MATHEWS___ BLOEBS 2 CNNAR EG SBRED PLANS MO JOE DEMAMCO DAMMY ENUINE PROM BALSA SCREWS AND4 CORIPUTERIZEO 2/76/96 IESTAD SIBBIUBOI RPM 71 WASHERS BOUND ALL EXTERIOR USE OST H INS ES I/TE 3/0 BALSA WINO STOUT MOONT I/OH /2 LIORT BALSA LEADINO PINE MONO BIT FACES CLAMP TOGETHER MOE flS WITU SMIE EPOXY AT FOR OPPOSITE WISp EASEL AETEM- TIlE S SEFTIOCIO ABE OSSEASLED CAT CLOTS ONE 00 O TIME TOM TOE OIOEMBML MMACESBITOBTMCESAM MLAOCSTOBEATOMBTOEREPOMO BRACES M OLACE ALL AUSECTS ABE ALTA ELASU AlTO BOTTOM3/IA TOLSO STEET FILL 1 AI/B LITE PLY AINS TIP 3/IA BALSA OTEET FILL I/O LITE PLY SECT A-A SCOOP OOLSA TOP ONLY 3 OIOESOOL SLOT INTO SCOOT ANO COO SIG 00-101 LO STOOP H\ AB 3B BOSOWOCO P FRONT LEFT PEAT LEFT nWINO STOAT WINO STOAT 11 \L p \IT fj EPOXY WING STRUT OPTIONAL CEN SEC 3/IA BALSA 5 000 CT 3/IA SQ BALSA TOP ONLO ii I/IA BALSA SOCET WEBS -SCOT GO/AN LEFT V ING PLAIT /3/IA 3/IC SR BALSA 1BALSA SPARS TOPGO SS ETS AOTTOM 3/IA SO BALSA SCAB TOP ONLY ER O/I6 BALSA GAS SETS I/IA PLY TOP ONLY NOTE SOC 510 SR 1310 STOOPS 3 PER UNIT BENO TO FT FLUSH WITH WINO AOTTOM USE P SB SCOEWS ROLO TO OTOUT MOUNTS STOOTS ATE SANDED TO AffiEQIL SHAPE FINISH WITO SUPEOPOOS FILLER B PAINT / t TLT THIS BIB USING JIG BALSA C ASSETS 3/3/ C GRAIN BALSA SHEET 25 WING RIB PATTERN 3/b 3/8 MED1 BALSA SPARS TOP B BOTTOM TOT/SQ BALOA OPOOS TOP & BOTTOM7 S/IC Il/A 0/ALSO TRAILING ESOE-LSI{C STOCH-NOTETI POT BALSA RIBS S/SO C-GBAIN I/H I/O BALSA L E USE LIGHT STOCO / IA BALSA SHEET BEBS-OEBT GOAIN I VA CS/B BALS MOONT- FLOOR RIGHT ING PLA WINO OTOOT WITO BOTTOM 3/IA 7i OALSA OUSS CT F 3/IA BALSA OUSSET I/H BALSA I/A BALSA BALSA A- H~ __________________________________ /JOINER IIA MAI P4BALSAELCO TABOWO STEETS/B OP 04 SGS/B DOWN S/IA I/HI/A BALSA SHEETBALSA BALSA z .-L C CROSS SECTION 08 PLY OIBEOCAL BRACE MAKE FROM SCOOP SHEET DIHEDRAL JIG L I/B PLY CUSTOM MAKE BT MOBBING BLARE IN SLOT MARE 2 DIHEDRAL BRACE SAND FROM BOTTOM TO MATER WIBO TIP 3/IA BALSA FILL -J N 7 /3/IC BALSA FILL SCRAP BALSA FL, TOP ONLY 3 OIBEATAL AT EACB T P RERE I/H DG BALSA LEADINO EDOC 3/IC I/O BALGA FIN SLOTI/A BALSA SHEET K 0I234NA MODEL AVIATION AERONCA DEFENDER CESIONED MT S B MATHEWS BRAWN BC 0 B MATREWS NOES PLANS BY JOE DEMARCO cOMPUTERiZED 2/18/96 IESTAD OEMERAEO BIIEEC 8072 3 1N3 0 0 CD 0 4 NO OCR TEXT strip runs along bottom cabin smallest-available tank held behind firewall scrap rails Use flexible nylon-tube pushrods rudder elevator use cable throttle Roughen pushrods anti-flex brace tail-exit locations better adhesion 1/64-plywood window frames larger underlying framework makes sill clear plastic can adhered RIC-56 applied glue gun should done after fuselage has covered side windows developed simply scoring breaking plastic proper outline windscreen will require some trimming fit perfectly used paper punch make hole front hold-down dowel Install windscreen cutting narrow strip covering material away bottom border slipping plastic sill Adhere everything RIC-56 Use strips masking tape hold everything place glue dries raw edges can dressed trim tape struts assembled over drawings struts non-functional can kept light possible Slots cut nylon straps struts sanded airfoil Positioned wing banded fuselage straps affixed CyA struts attached #2 sheetmetal screws screwed small hard points wing along bottom longerons fuselage Finish As mentioned design must covered lowtemperature soft covering materials exposed wood fiberglass parts should given very light well-sanded coat filler K&B similar Matching colors lightly sprayed neat Aeronca Logo appropriate N numbers available high-quality vinyl JO Designs Rt 1 Box 225AA Stratford OK 74672 Flying This Defender light has much power recommend taking off half throttle less advancing power once model air Otherwise model accelerates rapidlyalmost jumping air its rather challenging keep level Defender will flying before ready model could also very easily hand-launched Rate climb pretty much function engine rpm fairly open left-hand climbing turn seems controlled straight-up climb has tendency get model over its back will astonished altitude can gained relatively short engine run Just before Defender gets too small see shut power off get ready have ton fun strongly recommend Dave Thornburgs Old Buzzards Soaring Book required reading anyone interest locating thermals model flying Defender will show its lift its wings will rock its turn will tighten can help things keeping turn relatively open prevent spiral-dive tendencies reality once model lift will pretty much take care itself precautions should taken would avoid getting too high too far downwind no reason stick patch lift visibility becomes problem fly upwind parallel field look another thermal have able see model get back such light wing loading deadstick landing model problem Line up model field some S-turns burn off altitude some practice model can landed feet Build yourself Defender join funyou will enjoy athews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Loaded features affordably priced Hobbicos Quick Field Charger provides ultimate convenience ultimate value well its special features voltmeter jacks 48V/60V Rx select switch three LED indicators unique voltage boost circuitry kinds add-ons would find chargers costing much Get Hobbico Quick Field Charger never again will dead radio batteries keep out air longl free brochure location dealer nearest please call 1-800-582-8948 ext 044F Dual Della Peak Snfrg OSt,E,ld EcAsNo ThoSU GREAT PLANES MODEL DISTRIBUTORS COMPANY P0 9909021 Cfla,pagn IL E182E 9021 26 Model Aviation o bafle rcause Hobbico Quick Field Charger theres no need miss minute flying time Designed exclusively charging radio batteries allows totally independent simultaneous charging Rx Tx packs Advanced Delta Peak operation makes fast charging radio batteries safer economical ever no tear overcharging can remove its case itll fit perfectly info power panel location field box ting handy charging station radio batteries I4OBBICO Uuwk Field hurgur
Edition: Model Aviation - 1996/05
Page Numbers: 16, 17, 18, 19, 20, 21, 22, 24, 26
NO OCR TEXT NO OCR TEXT nature hobbys enduring attractions Its notable few exceptions such rubber-powered Free Flight gas-powered Scale models flown thermals bear slight resemblance full-scale aircraft exceptions Scale Texaco models Wouldnt neat park easily seen good-looking Scale model thermal watch majestically climb power off driven some unseen force end flight landing model ones feet what design about Model design should confused sport Defender published April 1995 Model Aviation outlines dimensions same version has designed maximum lightness maximize its ability thermal version Aeronca Defender Model T designed utilizing lessons learned converting number Old-Timer pre-1942 Free Flight designs two- three-channel RC Old-Timers thrilling particularly realistic appearance design combines best aspects Old-Timer Scale looks easily seen constructed size Powered K&B 20 Sportster Defender will climb thermal height 30 seconds less Its structure just strong enough withstand turbulence big boomers yet light enough stay up weakest lift intent trick up engine keep running eight minutes 10-minute flight has happened Scale Texaco interested thermals engines lack more-inspired name have labeled Radio Control Scale Duration ARCSD Whether concept has appeal competition-oriented flier beside point power themI intend fly fun size weight power combination seems nearly ideal maximum fun minimum fuss anyone has built Old-Timer light-wing-loading sport design Defenders construction should familiar Its simple build easy maintain aesthetically pleasing hard-to-beat combination Scale Duration Defender intended sport flying Its aerobatic capabilities severely limited its structure loops rolls other aerobatics thing take another look sport version model April 1995 MA have harbored dreams flying larger radiocontrolled version 25-cent kits childhood thermaling easy-to-see Scale model model fulfill fantasies CONSTRUCTION cant see model appealing being suitable inexperienced modeler Therefore building instructions presume some degree building experience key word building model lightnot strong robust wood should lightweight free imperfections stripwood reasonable density cannot located consider purchasing balsa stripper cutting strip light balsa sheet Wing ribs 10-12-pound C-grain surface outlines should light A-grain main adhesive cyanoacrylate CyA glue used sparingly Epoxy used sparingly mount firewall landing gear blocks dihedral gussets Avoid colored paint like plaguethe weight penalty intolerable structure needs stiffness MonoKote/UltraCote Ive no experience Litespan may well worth consideration Real craftsman may wish use colored silk clear dope accessories such wheels should selected light weight Its building Free Flight model key success Defender keeping construction An inverted K&B 20 Sportster provides power engine light possible Build likes Free Flight model hidden inside fiberglass cowl Precision Fiberglass 18 Model Aviation nders design lends itself thermal hunting K&B 20 Sportster carries high-wing model altitude Photos author Graphic Design Carla Kunz adding weight radio Keep light using three one-ounce servos 125-ounce battery pack 13-ounce receiver able hold model very close 10-ounces-per-square-foot goal another ounce wont bother consider spending 270-mAh pack Twice Ive absorbed watching Defender float around Ive lost track time gone past 20 minutes charge thats available 100-mAh pack torque-rod landing gear shock-mounted fairings work rather well lightest ideas could devise Have some spare wire available case make mistake bend its virtually impossible bend out errors music wire fiberglass cowling available Precision Fiberglass 2805 Big Bend Dr Maryville TN 37801 Tel [800] 753-8469 requires light coat filler followed two spray coats color match covering dummy cylinders cut block balsa Use double-sided tape hold sandpaper cowling rub dummies against create neat joint Dowel sections used nail cylinders cowling use epoxy Other details made scraps balsa inverted engine has presented starting problems electric starter has used tank plumbing should place vent top bottom easy filling emptying Tail Feathers outline pieces easily developed use carbon paper draw outline onto balsa jigsaw outline separate elevator halves until wire joiner has installed usual hinged surface shapes block-sanded outer surfaces sanded resemble tubing full-scale Install hinges after covering complete Wing A wing-rib master pattern can made placing carbon paper between drawing section plywood Use pattern cut ribs stacks light C-grain sheet obtain final contour use jigsaw carve block-sand Try cut spar notches accurate possible Build wing panels over drawing bottom up Use precut shear webs position ribs Cut bottom spars flush outside tip rib position tips Scrap-balsa spar extensions used reinforce tips most-inboard wing rib tilted using jig centersection ribs installed right angle building surface panels removed board edges sanded true Building fuselage sides classic one-atop-the-otherThe bottom nose developed balsa strips fair method helps ensure identical constructioninto landing-gear mount Fairing /e Lite Ply May1996 19 wing panels glued together slots dihedral braces cut taped-together hacksaw blades most-inboard ribs wing panel angled provide dihedral glued right-angle center-section ribs dihedral bevel sanded Since no center-section sheeting used its necessary use plywood dihedral gussets wing prefer assemble wing cut slots gussets taped-together hacksaw blades mark cut plywood gussets epoxy place way wing dihedral set sanding gussets cut match greatly reducing likelihood error leading-edge tip fillers sanded blend overall contour Fuselage Identical sides developed classic one-atop-theother Old-Timer fashion using scraps masking tape keep sticking other firewalls triangular stock other miscellaneous pieces installed after two halves popped apart ladders fabricated directly over plans holes should located drilled time Assemble two sides using ladders firewall align forward section Use masking tape hold things together checking squareness planes Adjust components until box true assemble everything permanently flowing medium CyA along joints Pull tail section together clothespins seam must center fuselage Place model over drawings top view check alignment CyA joint Cut install crossmembers pairs constantly checking squareness engine should rough-positioned cowling appropriate shaft-exit head-passage holes can cut fiberglass Place engine mount firewall adjust match cowling youre satisfied alignment spot-glue mount onto firewall CyA remove cowling mark drill holes mounting bolts blind nuts As cowled engine should larger allowance air exit air entry Cut largish hole bottom cowling approximately size cylinder head Entry air will routed through scale locations through areas around dummy cylinders fiberglass has removed sheeting tank areas top moistened waterdiluted ammonia carefully pulled over formers Flow medium CyA joints pull sheet down starting sides working toward center strip Use steel straightedge cut midline being careful remove half center strip Repeat technique other half Use straightedge carefully trim second sheet until fits snugly against first CyA place bottom nose developed balsa strips block-sanded fair landing-gear mount Hardwood stringers added sides top bottom faired tail post cabin top CT fabricated cross-grained pieces balsa have moistened diluted ammonia clamped bottom surface wings center section pieces masking tape allowed dry Use aliphatic resin glue between halves tape underside wings center section Install fuselage top after adhesive has cured Scrap sections balsa used build-up area around front-wing hold-down dowel its proper angle should epoxied place radio installation should light possible Sections inch-square basswood epoxied Lite Ply side strips used servo rails Velcro attaches battery receiver Lite Ply 20 Model Aviation -section details showing stabilizer rudder controlhorn locations Nylon-tube pushrods used Three one-ounce servos mount basswood rails Velcro attaches battery receiver strip cabin floor Landing-gear installation Music-wire landing-gear struts mount grooved block theyre held place nylon straps extra-light construction requires strong MokoKote-type covering material Avoid low-temperature soft coverings 5/16 BALSA SHEET TRIM AFTER3218 BALSA SWEET3/16 BIB FOR DOWEL ASSEMBLY FOR WINDSCREEN5/181 5/B HARDWOOD TRUNIONLANDING GEAR DETAIL WOCB Sb SB 665 GES VI118 FORE AND AFT. 114 BALSA FUSELASEI/B LITE PLO ISIDE TOP IWIDEN SLOTBEND OH 131 STRAP 3/I6l/B BALSADRILL I/B DIA LID LITE PLY 4 40 T-NDTSDIV OH 131 AND BOLTSNYLON STRAP THRUST LINE 3/ID XLH BALSA DSCREEN PATTERN 3/ID BALSAI ISHEET030 CLEAR PLASTIC- COTNO 12 3/ID BALSAOVERSIZE AND TRIM TO FIT-28 DIVRUDDER SWEETIDIG EM SAlMUSIC WIREBAND MOUNT -F-2MARE 2LANDING GEAR THROTTLE3/32 BALSA SHEETFAIRI NG FRAME C_____PU SR ROD ______FRONT VIEWCT-2 3/ID BALSA SHEET FRAME BTWO LAMINATIONS OF 3132 BALSA SHEET3118FIREWALLF-I ____________FORM 8 MATCH UNDERSIDE OF WINO REVELPlYWOOD3/ID BALSA FHONT TO BLEND WITH WINDSCREEN ID SUPFORT PRE- FINTAPER RUDDER FONT FROM THE INSIDE -3/0 BALSA SAEET _____________1 __I BUD 20 SPORTOTER3/32I/WDOWELDID CLEAR/I3/IN BALSAD ENGINE ON DID EM-BALSA Vol LONG MOTORSHEET3/ID SO_______- NOISE o MOUNT USA 3-TEE LSAI/RI I/HB 1114 TAPER _ i IN COWL MUFFLERFIREWALL cn _MEDIUM NYLON NYRCES EHI3S-ELEV SASRED RISAT SIDEI/O DIA MUSIC WIRE BADDERSOLID LEFT SIDENYLONW THBAST04 --j\VA ROUND LONSERONSRDDDER YRROWSAR PLY TAILDOID SUPPORT THEIR4BA.SA- -D-________________ PRECISION FIBERDLASS VELCRO ADjUST LOCATIONSPECIFICATIONS0r2545N COWL -LEFT SlOE/BETTED COWL IS AVAILABLE FROMTO BALANCE PRECISION FIBERGLASS3/N SAWINO SPAN70 _________CHORD. ID I/HMODEL AVIATIONw OROS BIS BEND 1/4 BALSAAREA SB IN MAMYVILLE BS3SWEET MIN WT87 02AERONCA DEFENDER0 PDWER6DB SPORYSTERDESIGNER BY S B MATREWSD COWL ATTACH IWREELSND ID BOBBER BANDA B/C SCALEBUBATIONDRAWN BY S B MATHEWS___ BLOEBS 2 CNNAR EG SBRED PLANS MO JOE DEMAMCO DAMMY ENUINE PROM BALSA SCREWS AND4 CORIPUTERIZEO 2/76/96 IESTAD SIBBIUBOI RPM 71 WASHERS BOUND ALL EXTERIOR USE OST H INS ES I/TE 3/0 BALSA WINO STOUT MOONT I/OH /2 LIORT BALSA LEADINO PINE MONO BIT FACES CLAMP TOGETHER MOE flS WITU SMIE EPOXY AT FOR OPPOSITE WISp EASEL AETEM- TIlE S SEFTIOCIO ABE OSSEASLED CAT CLOTS ONE 00 O TIME TOM TOE OIOEMBML MMACESBITOBTMCESAM MLAOCSTOBEATOMBTOEREPOMO BRACES M OLACE ALL AUSECTS ABE ALTA ELASU AlTO BOTTOM3/IA TOLSO STEET FILL 1 AI/B LITE PLY AINS TIP 3/IA BALSA OTEET FILL I/O LITE PLY SECT A-A SCOOP OOLSA TOP ONLY 3 OIOESOOL SLOT INTO SCOOT ANO COO SIG 00-101 LO STOOP H\ AB 3B BOSOWOCO P FRONT LEFT PEAT LEFT nWINO STOAT WINO STOAT 11 \L p \IT fj EPOXY WING STRUT OPTIONAL CEN SEC 3/IA BALSA 5 000 CT 3/IA SQ BALSA TOP ONLO ii I/IA BALSA SOCET WEBS -SCOT GO/AN LEFT V ING PLAIT /3/IA 3/IC SR BALSA 1BALSA SPARS TOPGO SS ETS AOTTOM 3/IA SO BALSA SCAB TOP ONLY ER O/I6 BALSA GAS SETS I/IA PLY TOP ONLY NOTE SOC 510 SR 1310 STOOPS 3 PER UNIT BENO TO FT FLUSH WITH WINO AOTTOM USE P SB SCOEWS ROLO TO OTOUT MOUNTS STOOTS ATE SANDED TO AffiEQIL SHAPE FINISH WITO SUPEOPOOS FILLER B PAINT / t TLT THIS BIB USING JIG BALSA C ASSETS 3/3/ C GRAIN BALSA SHEET 25 WING RIB PATTERN 3/b 3/8 MED1 BALSA SPARS TOP B BOTTOM TOT/SQ BALOA OPOOS TOP & BOTTOM7 S/IC Il/A 0/ALSO TRAILING ESOE-LSI{C STOCH-NOTETI POT BALSA RIBS S/SO C-GBAIN I/H I/O BALSA L E USE LIGHT STOCO / IA BALSA SHEET BEBS-OEBT GOAIN I VA CS/B BALS MOONT- FLOOR RIGHT ING PLA WINO OTOOT WITO BOTTOM 3/IA 7i OALSA OUSS CT F 3/IA BALSA OUSSET I/H BALSA I/A BALSA BALSA A- H~ __________________________________ /JOINER IIA MAI P4BALSAELCO TABOWO STEETS/B OP 04 SGS/B DOWN S/IA I/HI/A BALSA SHEETBALSA BALSA z .-L C CROSS SECTION 08 PLY OIBEOCAL BRACE MAKE FROM SCOOP SHEET DIHEDRAL JIG L I/B PLY CUSTOM MAKE BT MOBBING BLARE IN SLOT MARE 2 DIHEDRAL BRACE SAND FROM BOTTOM TO MATER WIBO TIP 3/IA BALSA FILL -J N 7 /3/IC BALSA FILL SCRAP BALSA FL, TOP ONLY 3 OIBEATAL AT EACB T P RERE I/H DG BALSA LEADINO EDOC 3/IC I/O BALGA FIN SLOTI/A BALSA SHEET K 0I234NA MODEL AVIATION AERONCA DEFENDER CESIONED MT S B MATHEWS BRAWN BC 0 B MATREWS NOES PLANS BY JOE DEMARCO cOMPUTERiZED 2/18/96 IESTAD OEMERAEO BIIEEC 8072 3 1N3 0 0 CD 0 4 NO OCR TEXT strip runs along bottom cabin smallest-available tank held behind firewall scrap rails Use flexible nylon-tube pushrods rudder elevator use cable throttle Roughen pushrods anti-flex brace tail-exit locations better adhesion 1/64-plywood window frames larger underlying framework makes sill clear plastic can adhered RIC-56 applied glue gun should done after fuselage has covered side windows developed simply scoring breaking plastic proper outline windscreen will require some trimming fit perfectly used paper punch make hole front hold-down dowel Install windscreen cutting narrow strip covering material away bottom border slipping plastic sill Adhere everything RIC-56 Use strips masking tape hold everything place glue dries raw edges can dressed trim tape struts assembled over drawings struts non-functional can kept light possible Slots cut nylon straps struts sanded airfoil Positioned wing banded fuselage straps affixed CyA struts attached #2 sheetmetal screws screwed small hard points wing along bottom longerons fuselage Finish As mentioned design must covered lowtemperature soft covering materials exposed wood fiberglass parts should given very light well-sanded coat filler K&B similar Matching colors lightly sprayed neat Aeronca Logo appropriate N numbers available high-quality vinyl JO Designs Rt 1 Box 225AA Stratford OK 74672 Flying This Defender light has much power recommend taking off half throttle less advancing power once model air Otherwise model accelerates rapidlyalmost jumping air its rather challenging keep level Defender will flying before ready model could also very easily hand-launched Rate climb pretty much function engine rpm fairly open left-hand climbing turn seems controlled straight-up climb has tendency get model over its back will astonished altitude can gained relatively short engine run Just before Defender gets too small see shut power off get ready have ton fun strongly recommend Dave Thornburgs Old Buzzards Soaring Book required reading anyone interest locating thermals model flying Defender will show its lift its wings will rock its turn will tighten can help things keeping turn relatively open prevent spiral-dive tendencies reality once model lift will pretty much take care itself precautions should taken would avoid getting too high too far downwind no reason stick patch lift visibility becomes problem fly upwind parallel field look another thermal have able see model get back such light wing loading deadstick landing model problem Line up model field some S-turns burn off altitude some practice model can landed feet Build yourself Defender join funyou will enjoy athews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Loaded features affordably priced Hobbicos Quick Field Charger provides ultimate convenience ultimate value well its special features voltmeter jacks 48V/60V Rx select switch three LED indicators unique voltage boost circuitry kinds add-ons would find chargers costing much Get Hobbico Quick Field Charger never again will dead radio batteries keep out air longl free brochure location dealer nearest please call 1-800-582-8948 ext 044F Dual Della Peak Snfrg OSt,E,ld EcAsNo ThoSU GREAT PLANES MODEL DISTRIBUTORS COMPANY P0 9909021 Cfla,pagn IL E182E 9021 26 Model Aviation o bafle rcause Hobbico Quick Field Charger theres no need miss minute flying time Designed exclusively charging radio batteries allows totally independent simultaneous charging Rx Tx packs Advanced Delta Peak operation makes fast charging radio batteries safer economical ever no tear overcharging can remove its case itll fit perfectly info power panel location field box ting handy charging station radio batteries I4OBBICO Uuwk Field hurgur