We first heard about interesting successful CL 1/2A trainer made corrugated cardboard Dope Bucket newsletter Utah State AeromodelersIt has good looks it amazingly sti Author decided paint decorate model after found out very strong long lasting take care put too much paint weight will penalize flight performance Planes name comes unusual combination squadron plane identification conjunction roundel REMEMBER being mood build new plane few years ago didnt have balsa necessary projects envisioned However did have nice big flat piece cardboard using work board few hours later no longer work board unpainted cardboard airplane using box construction high-wing monoplane designed wing glued last after balance point determined performance plane surprised capable consec utive loops stayed out well long lines windy conditions also long landing glide surprising its durability After year flying plane expendable aircraft situation such letting kids fly found cardboard airplanes dont break just get bent out shape Because bending out shape problem finally necessary junk plane developed severe deformity nose choose 50 Model Aviation Cub Scout den den leader planes builtas Cub Scout project Missing plane right chewed up bya largedog Shown left Stephen Larson Anthony Romero CoreyGearhart Kirk Robinson Barr Hill Kelly Mayhew Adam Olson put design test FULL-SIZE PLANS AVAILABLE . SEE PAGE 140 049 TO 09 ENGINE SIDE MOUNT CYLINDER AK MUSIC WIRETO AVOID DAMAGE LANDING GEAR -11-1/4 WHEELS PERFECT OR SIMILAR WEIGHT yR PLY POSTER PAPER FUGELAGEI/B I/I~5STTSM SKIN DOUBLER 1/9 PLY DOUBLERLEAS-OUT GUIDE F-IFRN SCRAP BALANCELEADRANGE 7 STYROFOAM CAROPY UGED TOILLCRANK MCLRTS PROTECT NEEDLE IGES VALVE LEAD-OUT2 BELLCRANI SUIGE CORRUGATION GRECTION__________ IF-2XWWE SISO VIE DIN MUSIC WIRE PUSHROD WIRE PUSHROS GUIDEFUSELAGE SIDE TEMPLATE f POSTER PAPER FUSELAGE SKINWIRE PUSHROD'7 __ BOTTOM OJIDE MA CONTRO /HCBRA________ ELEV HINGE CORRUGATION IL DIRECTION OPTIONAL TRIM LINE I/B PLY DOUBLER 12 REOI ALL CARDBOARD APPROXIMATELY I/B THICK r 1 CREASE CARDBOARDN USING U PZZA CUTTER THEN FOLD UP FD FUSELASE ASGEMBLY DETAIL WRAP EDOES WITH STRIPS WF-I OF GIWiNED POSTAL TAPE WING CONSTRUCTION DETAJL "CORRUGATION DIRECTION -WF-I WING TIP WEIGHTS --4.\ 3 PENNIES ALOES TO UNDERSIDE OF WING -- N WIRE SKID -F-D ELEV HINGE UNE CUT HALF-WAY THRU FROM THE BOTTOM CORRUGATION HINSEERECTION DETAIL WING DOUBLER/FUSELAGE MOUNT I/B CAWOBSARO 2 B CAR3BSARO FLP 8 DRAWN NV KIRK call accordian syndrome promptly decided build replacement wanted something looked like full-scale aircraft easier build must also have cardboard doublers strength en nose decided After some sketching paper came up basically present design soon built flew just well its predecessor About time became Cub Scout den leader plane put test After month den meetings boys soloed new plane also put flying demonstration pack let various people crowd try until ran out propellers Successful plane however season progressed became apparent card board doublers sufficient prevent accordian syndrome Also huny get plane finished clear-doped it kept lasting lastinglooking ugly whole time Next spring some minor modifications boys Cub Scout den busy building own cardboard planes bought bellcranks wheels wire using den funds donated paint After about two months den meetings planes finished Some boys saved up money buy own engines took out flying new planes looked great flew well better yet showed no signs developing annoying nose deformities after numerous crashes recent plane shown photos took longer paint make decals took build didnt want another plane last last looking ugly whole time As may have guessed pictures name comes choice squadron plane identification lettersin combination roundel summary simple plane can built very inexpensively materials part can found around house extremely durable almost never breaks crashes ends up cartwheeling wing over wing can hand-launched can take off same manner balsa wood planes capable consecutive loops inverted flight though somewhat diffi cult return upright flight inverted also has long gentle landing glide As trainer its strong point durability Also after applying controls plane rotates before starts either up down thus giving novice little time tothink Long40-ft lines canbeused June 1981 51 ages wing tail surfaces wrapped strips gummed postal tapemoisture adhesive variety Work short lengths aying u g template Note alignment fuselage top corrugation lines Width may vary prevent dizziness Its main drawbackas traineris lifting airfoil necessary wing strength really makes want climb beginners tend let get uncomfortably high initial takeoff climb Construction Start cutting out wing youll need good flat piece cardboard 28-in x 6-in size corrugations going lengthwise Measure mark wing shape cardboard using pencil cut out use razor blade razor knife cut out pieces i imperative blade very sharp beginning will dull time get through cutting Out pieces use razor blade apply pressure mainly pushing down fingernail first stroke line razor blade knife merely score surface Follow same path time after time cutting deeper time should take about five times before start cutting clear through cardboard try cut faster corrugations tend turn blade desired path Cuts angle corrugation lines harder cuts parallel perpendicular some cuts dont look good pull wing out cardboard piece dont worrynone cuts critical Hopefully youll pretty good time get fuselage Measure mark horizontal stabilizer elevator onto cardboard Again corruga tions must lengthwise Also elevator hinge-line top must exactly corruga tion line bottom will midway between two corrugation lines necessary elevator hinge work properly Cut out stabilizer elevator piece dont cut stabilizer elevator apart other Mark hinge line bottom should midway between two corrugation lines Cut halfway through cardboard along bottom hinge line Refer elevator hinge detail plans fin rudder piece marked onto cardboard cut out next might want trace template first trace outline onto cardboard using template hinge line left side looking tail nose should exactly corrugation line corrugations should straight up down other right side hinge line should midway between two corrugation lines alignment respect corrugation lines must adhered positioning template tracing cutting out piece try especially hard make cut along bottom fin exactly perpendicular surface fuselage next first step trace fuselage side template plan onto piece pf poster paper Use scissors cut out template Now refer fuselage assembly diagram Note top sides fuselage single piece top corners fuselage seen outside must exactly corrugation lines inside fuselage corners fold lines must midway between two corrugation lines width corrugations cardboard determines fuselage width Mine five corrugations wide size shown plans However cardboard has same corru gation width take note width fuselage may different Make sure big enough engine mount Trace fuselage side shape Onto card board lining up top flat part template along corrugation line Using pencil ruler extend front line perpendicular corru gation lines three inches past fuselage top line Along line measure fuselage top line corrugation line nearest desired fuselage width Now top flat side template lined up along corrugation line extended front line trace out shape other side fuselage Use ruler pencil connect two tail end lines together Cut out fuselage piece Take extra care ensure cuts perpendicular surface Turn over fuselage piece mark inside corner lines should midway between two corrugation lines Using pizza cutter make indentation along both inside corner lines have push somewhat hard two sides will now fold upwards giving basic fuselage structure two sides folded up vertically measure inside width fuselage -in down inside fuselage top measurement will width WF-l F-i F-2 pieces width differs what shown plan mark correction plans Trace plywood doubler shape onto plywood will need two Cut out doublers glue onto inside fuselage white glue Refer fuselage assembly diagram correct placement should line up front bottom fuselage drying wrap edges wing stabilizer elevator fin rudder use gummed postal tape kind moisten stick comes rolls about two inches wide cut down middle get two I-in strips about right work Start stab elevator piece works best wrap ends first front back First mark length end stab Continued page 129 52 Model Aviation pizza cutter handy crease fuselage folded Final assembly progress Formers glued fuselage wing/fuselage Note plywood doublers nose section already place mounting key glued wing fin/rudderfold marked notyet creased pieces cut out edges taped required folds already creasedready final sembly Scrap ordinary corrugated cardboard about -in thickness principal material ____ Specifications lrIflYSpan 86 in-~— Weight 12 Engine 91 Cline drive unit 1 Seperate detachable presheeted wing panels 2 Preassembiled fuselage frame eassembiled stabilizer elevators vertical fin rudder 1h 4 Epoxy Glass cowl wheelpants 5 Formed hatch clear canopy 6 Aluminum landing gear 554 E Frootoee St Brownsviie TX 78520 DEALER & OSTRIRUTOR iOUgReS NMThD 512 541-3867 Wayne Ulerys outstanding design Leo Loudenslagers Laser 200 geared 90 offered Model Merchant nearly constructed model critical fuselage & control surfaces framing wing sheeting has done Just some finish up ready fly best available Features machines taping up cheek cowl fits fuselage also playing aspect ratio wing course trying different props way lady name Judy Wagoner won race flying plane called Wagoner Solution report did NMPRA Cham pionship Race held Titusville FL failed mention sponsoring club Moonport Modelers CD Mr Roy Johanse Sorry about See next month Bill Hager 706 Glen Haven Dr Con roe TX 77302 RC Helicopters/Chesney Continued page 49 expected highly recommended another expert flier point hobbyist am position test modification design must rely designers test some cases impressions fellow fliers case May column before make choices beginning RC Helicopters still recommend did first column three years ago unless recommended man ufacturer local flier willing help new machine modifications should avoided until flying skills developed have flown RC years loved experiment differential flaps reducing wingspans stabilizer areas making tail dragger years best tricycle gear Pattern ship Ill continue pass modifications hear Im looking forward some great flying weather See field Dave Chesney RL 9 Box 621-A Greensboro NC 27409 FLOP/Robinson Continued page 52 elevator onto end postal tape roll Now cut length straight across scis sors Cut down middle strip splitting piece half should now have correct length 1-in tape end stabilizer elevator piece possible try cut Out pairs strips like since saves measuring time Take strip gummed tape fold half lengthwise makes easier fold around edge have work fast before gummed surface dries Now take strips get ends stab elevator ready front moisten strip get really wet Quickly stick strip lining edge up fold quickly fold bottom around edge stick down Rub both sides firmly ensure whole length nicely adhered Stick other strip other end piece same manner now go through same procedure leading edges stabilizer After done trailing edge elevator use pair strips slight overlap because its too hard work very long strips Now wrap edges fin rudder except bottom edge fin glues onto stab inside fuselage Now wrap edges wing havent having much trouble long MODELMAN IA LISTMM FITABA N s/S21 SERVIS3999518399 FITABA 4FN sf521 SERIIS2799515799 FlEAS 51K sf526 SERVIS dual rate2999511199 IIATRONICS 6-IL3299522099 AIRORINICs 4-IL2799518499 FIX 99 R/G EAGLE Mt-I carl29954499 FIX 4510 R/C Mt-I carl71954499 FIX 4888 A/C MK-I caib71954499 OS 6TFSR 8/C s/muff1599518499 KiD 61 s/perry pamp mull125996099 618 61 s/miff99585599 698 48 s/muff 6/C82514749 881511FF 2 Suprr-T Regular1299629 GILDIERG 2 aa Super let1295749 88/I saud prsfw ONCER ar Ti mapleIfar 549 11 wad es lINGER IF mapleIfar 649 Preps saId ef rise brard prlcf24mu/riue ItUCIN S mir Epoxy 9 so099579 GMP 6 mrr Epaxy TO at795499 OMP 6 mir Epoxy 11 ar1095199 818880 INCIDENT METER w/learl19151399 CINCEPT 1/4 rule FLEET BIPE1799515199 T/T6e99 Dridr Kwik-sIr& Sold Red2212/ 299 3/e99 Silum Ydlow Oargt Blue2952/ 399 1/DeDI Black ard WhIr Sizer3202/ 449 T/4e31 Available ir crlart3952/ 549 61919 PillS BUY OIANTITY SAVEI ar 12SAME SIZE 618 8/C Irrg/rlort haT 199 @6/ 19512/ 1299 KID SOD long/rhort 135 @6/ 49512/ 949 FII 8/C Isrg/slsrt [itt T49 @6/ 54912/ 1149 ElI STO Iseg/slorf List 99c @1/ 39912/ 749 610 BEE 15/iL [itT 295 @6/ 189512/ 2149 619 BEE 35/3L LisT 275 @6/ 114912/ 2149 SEND ALL IRIERS 790INIIIIIES 002 MIDELMANI PO811171ROCKAWAY P99K8711684 ALE PRICES SUBJECT TO CHANGE OFFER 5000 TIL 1519 OF THIS MONTH UNLESS CURRENT SIPPLIES ARE EIHAISTEO 101 SPECIALS-LIST FREE WITH IROEIS Sr serd SASE ard 9199 relsadallr otter FREE fREE - GIFT WITH ALL IRDEOS FREE FREE ORDERING INFORMATION SORRY NI CDI prices reclude 5% cash discaurt Mrr arder 511 Matter/Vita accepted ysu mast add 5% buck Istal rrcludr card r rapiratiar date Shippirg/hasdlrrg 1999 Ia 2100 aId 2992001 3099 add 325 3001 Ia 4099 add 499 4101 1199 add 475 1101 ta 9900 add 575 suer 8099 add 5% maximum rI 750 ard 15 lbs. OVERSIZEO Bares add S595 Out sI cart US add 15% talal fsr shipprag manes mutt Sr US carrercy ALL SALES ARE FINAL Atlas time Tar perroral check clrar NY reurdents must add applrcable sores tar laclade SASE ttr irgairios Specify sire cslsr ard type ever requrred 90 PREPARED IN MARCH 25 T991 June 1981 129 SOUTHERN RIC FLIES AGAIN! // Model Merchant IS Southern RIC . Keeping alive top line RIG aircraft Currently being offered COMPENSATOR- 60BOOTLEGGER- 60 TIGER TAIL III- 60ALLEY KAT- 40 Spoil EZ FLIER- 40 Trainer Order Direct MODEL MERCHANT 512 541-3867 554 E Fronton St Brownsville TX 78520 DEALER & I20STRIBUTOR INOUiRIES INVITEDJ Americas first practical airplane 61 span model re flects arrangement Wilburs last public flight around New York Harbor 1909 canoe lashed skid frame emer gency flotation unique kit provides builder machining hard ware chain drive functional radiator water-cooled engine free-wheeling left- righi-hand scale hardwood propeller blanks fuel tank muffler Kit also contains wood metal vacuum-formed parts create exact dimen sion replica Also included wingbuilding form Wil bur rolled plans suitable hang ing written instructions plans scale take-off track derrick George Marsden 7621 Mary Cassatt Drive Potomac Maryland 20854 AT LAST Hard Break Fibre-Filled Prop Size 10/6 Introductory Offer 6 495 12 900 24for 1600 Postage paidClub Discounts Avail Send check money order pieces can leading trailing edges four pieces slight overlap Remember wing tips before doing leading trailing edges None edges fuselage wrapped finish wing youre done procedure Before starting next step however check wrapped edges see have become loose have cut loose area open razor blade glue tape back down white glue Measure mark cut Out cardboard fuselage formers F-i F-2 wing/fuse lage mounting key WF-1 sure width pieces same inside width measured earlier fuselage Also note corrugation direction pieces width-wise Fold fuselage shape glue place two fuselage formers white glue Hold together dries using rubberbands clamps Before glue gets completely dry examine front back fuselage make adjustments necessary make corners perfectly square Also note front former recessed -in below wing cutout make room wing/fuselage mounting key WF-l Now carefully bend wing fit wing cutout fuselage may inadvertently end up some wrinkles bottom wing isnt problem point make sure wing/fuselage mounting key WF- 1 fits inside wing cutout may necessary sand down bit sanding block Mark lengthwise center line top WF-1 piece chord-wise center line top wing Glue WF- 1 piece onto top wing using center lines alignment Note piece lines up flush leading edge lacks -in reaching tip trailing edge drying mark fin/rudder hinge line right side looking back plane front fin rudder piece line should midway between two corru gation lines Using pizza cutter make indentation along line Now carefully bend rudder right angle shown plan top view also detail need take care stabilizer elevator piece Turn upside down using razor blade knife cut through edge-wrapping bottom sur face extend hinge-line cut end elevator other end same way Now take medium-dull pencil run up down elevator hinge cut enlarge bit should now able bend elevator up down quite easily Measure mark rudder slot fuselage Cut front end slot sticking tip razor knife blade through cut sides slot scissors Now examine stabilizer cutout fuselage fuselage sides dont fit flat tight onto stabilizer true up sanding block file Glue wing onto fuselage white glue Lay fuselage upside down put weights center wing hold firmly place dries Also glue stab onto fuselage Since fuselage upside down side stab elevator can see bottom side hinge cut make sure have right wing stabilizer glue joints dry pick up plane turn over Glue fin rudder again using white glue glued slot down against stabilizer Trace shape front fuselage onto plywood cut out Glue piece firewall onto front fuselage using 5mm epoxy Hold clamp place until hardens Hold poster paper up against fuselage bottom trace shape two fuselage bottom pieces sure mark length also Notice overlap little onto wing front piece onto stabilizer back piece Cut pieces out scissors glue Onto bottom fuselage Also measure cut small rectangular pieces poster paper fill hole either side fin glue place Cut some strips postal tape wrap around corners fuselage sides F-2 former plane needs canopy protect needle valve sticks up above top fuselage Dont try kid yourself plane will never crash position consider styrofoam canopy too much work just trace cut out two four side-view pieces canopy cardboard glue laminate together piece poster paper should glued over top canopy can glued fuselage make canopy out styrofoam trace side view onto styrofoam cut hot-wire coping saw measure mark center line along top foam piece trace top view shape canopy onto bottom Gently shape file coarse sandpaper block final shaping should done gently medium grit sandpaper plane painted paints attack foam canopy should now glued white glue Otherwise glued after painting complete using silicone sealer type glue some other glue will stick both foam paint attacking foam Alternately could leave spot canopy goes unpainted glue later white glue Trace bellcrank mount shape onto wood cut out Make hole bellcranks wood screw glue mount onto top left wing position shown plan Measure ensure correct positioning Make lead-out guide flying lines popsicle stick similar piece scrap Glue place top end left wing shown plan Again sure measure correct placement Painting tips use dope did will need two coats clear dope three coats postal tape edge-wrapping before color paint Sand fine sandpaper between coats use polyurethane paint might just well start color will probably take three coatssanding between coats dont 130 Model Aviation Plans $3000 $19500 plus shIpping Standard Type I1K1Vt BLAINEWANTSTOGIVE ITAWAY FREE BUT HISACCOUNTANTSAYS NO! CHECK THESE PRICESBECAUSE HE ALMOST SUCCEEDED! X-ACTO #11 Blades 5 PK RetailBP&RC 89 55 HB ENGINES RIC w/muRler HB ENGINESRETAIL 15 R/C on/orsifler$ 5085 20 RIG m/nrsfflor5895 25 RIG m/nrsffler6572 40 R/G8200 50 R/G8995 61 R/G11995 61 R/G POP 9913775 ALL OTHER NB ENGINES AT 35% 0FF. K&B ENGINES 19R/G Series 716500 21R/G 35cc re/moldIer8500 40R/G re/moldIer8250 40R/G re/poomp11000 61R/G re/moldIer9950 61R/G re/psrrrp12500 ALL OTHER K&8 ENGINES 35% 0FF FOX ENGINES 36R/G Standard4495 40Slandord MK-X6495 4069 R/G MK-X Garb7995 45R/G MK-X Garb8495 4589 R/G MK-X Garb7995 60Eagle MK-X Garb7995 6098 Horek 6 only8495 ALL OTHER FOX ENGINES AT 35% 0FF R/G Short Floes R/G Long Flogs Aitoenics Aquila Airtrenicu Olynrpic II ANOREWS H-RAY Aodreres Brg H-Ray Andrews Sporrmaster Andrews Trainermaster Andrems A-Ray Aodromo Qoick Roy Andrems X-Ray BP/RC $3090 3595 3895 4995 5395 6995 8400 3525 4625 4675 5925 5599 6895 2290 3290 4178 3575 4575 4750 4800 149ra.85 ea 149ra.85 ro 79954975 54953475 39952575 49953295 74954525 52953575 44952875 47952875 52952875 Onocon 9 S nrn890490 Devoon 1 oz S mm1 98115JEMCO Deocon 25 00 5 mm379225American Eagle 50 Scale Mustang Scale P39 Gobra 625 DU-BRO Kmk Fril Fool Pores GOLDBERG Folcor 56 MK II Senior Falcon Skylark 56 MK II Skylane 42 Skyland 62 Ranger 42 ARF Goorle Lady Godberg Handi-Tote Goldberg Retract Trr-Gear HOT STUFF 2 Sopor Glue Yr oc Sopor T HOUSE OF BALSA /rA P510 Mostorrg Fiotnopol VrA Bonanza 40 Mostang MONOKOTE 6-foot Rogulor Golors Metallics 1095 5496 74-95 5695 1995 7495 3295 2495 1995 2495 1200 395 3325 4475 3376 1325 4525 1978 1595 1155 1525 675 230 34951975 59953275 34951975 69953925 990 1170 SON IC-TRON ICS Mark V Fool Ponrp MIDWEST Gessrra Gardinal ARF Attacker Lion Wire Gbaorp BUD ROSEN MODELS Aerooca Ghamp Grtabria Trainer Guadra 2 cc TOP FLITE Gontonder 60 Gonrender 40 Headmaster 40 SUREFLITE /rA Gob J-3 Skyland ARF Airacobra ARF 555J-3 Gob ARF 710Spitfire ARF MISER PLANS $300 order 5995 2695 4495 2195 2695 1795 3895 2795 2995 3195 41 95 3925 1675 2690 1425 1625 1125 2090 677 797 1917 2517 46952650 44952625 46952825 16951025 38952195 47952495 46952695 99956475 99956475 79955350 142958495 62953675 54953075 59953425 34953195 44952295 44952295 44952295 44952295 Handling charge $00000- $10000 Add $300 $10000 $20000 Add $400 Over $20000 Add $500 ADO $200 additional Quadra Nosen shipping Alaska Hawaii add $1 500 Air Excess refunded Money order checks No COD Credit Cards No phone orders accepted mail OFFER EXPIRES 6-30-81 Prices subject mfg increases Satisfaction always guaranteed INDIANA RESIDENTS AD 4010 SALES TAX live near hobby ShOP Varathane plastic paints work well fuel doesnrt bother finish plane finished coat Varathane clear satin finish paint Remaining details canopy wasnt glued earlier glue now after paint has dried Also mark canopy frame lines using marking pen Cut bend shape 1/16-in dia wire pushrod landing gearr wire skid Poke skid up through wing right fuselage side angle shown Glue its hole epoxy Install bellcrank pushrod elevator horn Strongly recommend use Carl Goldberg YzA nylon bellcrank horn set Flex elevator up down number times loosen up after painting pushrod bows too much applying up control bend pushrod guide out 1/16-in dia wire glue place Mine didnt need Attach wheels wire landing gear using glob 5-mm epoxy paper washer Mark position engine mount ing screws make screw holes use wood screws install engine Before tighten down slide landing gear wire tighten Now install lead-outs youre finished Flying tips types flying wind conditions recommend 35-ft wire lines 008-in dia takeoff avoid giving plane up-control since will rise off ground itself reaches flying speedbecause lifting airfoil engine stops will have long gentle landing glideprovided dont try keep climbing overly nervous trying fly just let bash ground time two Pick up dust off start engine try again CL Scale/Byron Continued page 53 other aircraft Bill competed F4U4 Corsair Super Scale drawings built approximately 1963 powered Torpedo 35 built 7g-in one-in scale Bramco throttle working lights working cowl flaps also scale arresting hook aircraft painted Aero Gloss paint weighed approximately 3 lbs Bill old-time modeler may able convince compete again skills quite obivous currently runs Bill Howards Hobby Shop Waterloo IA always happy discuss things old new alike find Bill very enjoyable person visit Anyone reading column also has older pictures still available please send would enjoy reminiscing addition looking what latest thing block will try use piece information get Finishing hints have experimenting new primer decrease finishing weight aircraft made up using Sig microballoons lightweight dope thinned Sig thinner has sprayed very easily does fill larger-grained woods aircraft primed filler would normally take eight hours sand out took hour 10 minutes completely sand ready clear dope. working well talcum powder does appear type primer will work place June1981 131
Edition: Model Aviation - 1981/06
Page Numbers: 50, 51, 52, 129, 130, 131
We first heard about interesting successful CL 1/2A trainer made corrugated cardboard Dope Bucket newsletter Utah State AeromodelersIt has good looks it amazingly sti Author decided paint decorate model after found out very strong long lasting take care put too much paint weight will penalize flight performance Planes name comes unusual combination squadron plane identification conjunction roundel REMEMBER being mood build new plane few years ago didnt have balsa necessary projects envisioned However did have nice big flat piece cardboard using work board few hours later no longer work board unpainted cardboard airplane using box construction high-wing monoplane designed wing glued last after balance point determined performance plane surprised capable consec utive loops stayed out well long lines windy conditions also long landing glide surprising its durability After year flying plane expendable aircraft situation such letting kids fly found cardboard airplanes dont break just get bent out shape Because bending out shape problem finally necessary junk plane developed severe deformity nose choose 50 Model Aviation Cub Scout den den leader planes builtas Cub Scout project Missing plane right chewed up bya largedog Shown left Stephen Larson Anthony Romero CoreyGearhart Kirk Robinson Barr Hill Kelly Mayhew Adam Olson put design test FULL-SIZE PLANS AVAILABLE . SEE PAGE 140 049 TO 09 ENGINE SIDE MOUNT CYLINDER AK MUSIC WIRETO AVOID DAMAGE LANDING GEAR -11-1/4 WHEELS PERFECT OR SIMILAR WEIGHT yR PLY POSTER PAPER FUGELAGEI/B I/I~5STTSM SKIN DOUBLER 1/9 PLY DOUBLERLEAS-OUT GUIDE F-IFRN SCRAP BALANCELEADRANGE 7 STYROFOAM CAROPY UGED TOILLCRANK MCLRTS PROTECT NEEDLE IGES VALVE LEAD-OUT2 BELLCRANI SUIGE CORRUGATION GRECTION__________ IF-2XWWE SISO VIE DIN MUSIC WIRE PUSHROD WIRE PUSHROS GUIDEFUSELAGE SIDE TEMPLATE f POSTER PAPER FUSELAGE SKINWIRE PUSHROD'7 __ BOTTOM OJIDE MA CONTRO /HCBRA________ ELEV HINGE CORRUGATION IL DIRECTION OPTIONAL TRIM LINE I/B PLY DOUBLER 12 REOI ALL CARDBOARD APPROXIMATELY I/B THICK r 1 CREASE CARDBOARDN USING U PZZA CUTTER THEN FOLD UP FD FUSELASE ASGEMBLY DETAIL WRAP EDOES WITH STRIPS WF-I OF GIWiNED POSTAL TAPE WING CONSTRUCTION DETAJL "CORRUGATION DIRECTION -WF-I WING TIP WEIGHTS --4.\ 3 PENNIES ALOES TO UNDERSIDE OF WING -- N WIRE SKID -F-D ELEV HINGE UNE CUT HALF-WAY THRU FROM THE BOTTOM CORRUGATION HINSEERECTION DETAIL WING DOUBLER/FUSELAGE MOUNT I/B CAWOBSARO 2 B CAR3BSARO FLP 8 DRAWN NV KIRK call accordian syndrome promptly decided build replacement wanted something looked like full-scale aircraft easier build must also have cardboard doublers strength en nose decided After some sketching paper came up basically present design soon built flew just well its predecessor About time became Cub Scout den leader plane put test After month den meetings boys soloed new plane also put flying demonstration pack let various people crowd try until ran out propellers Successful plane however season progressed became apparent card board doublers sufficient prevent accordian syndrome Also huny get plane finished clear-doped it kept lasting lastinglooking ugly whole time Next spring some minor modifications boys Cub Scout den busy building own cardboard planes bought bellcranks wheels wire using den funds donated paint After about two months den meetings planes finished Some boys saved up money buy own engines took out flying new planes looked great flew well better yet showed no signs developing annoying nose deformities after numerous crashes recent plane shown photos took longer paint make decals took build didnt want another plane last last looking ugly whole time As may have guessed pictures name comes choice squadron plane identification lettersin combination roundel summary simple plane can built very inexpensively materials part can found around house extremely durable almost never breaks crashes ends up cartwheeling wing over wing can hand-launched can take off same manner balsa wood planes capable consecutive loops inverted flight though somewhat diffi cult return upright flight inverted also has long gentle landing glide As trainer its strong point durability Also after applying controls plane rotates before starts either up down thus giving novice little time tothink Long40-ft lines canbeused June 1981 51 ages wing tail surfaces wrapped strips gummed postal tapemoisture adhesive variety Work short lengths aying u g template Note alignment fuselage top corrugation lines Width may vary prevent dizziness Its main drawbackas traineris lifting airfoil necessary wing strength really makes want climb beginners tend let get uncomfortably high initial takeoff climb Construction Start cutting out wing youll need good flat piece cardboard 28-in x 6-in size corrugations going lengthwise Measure mark wing shape cardboard using pencil cut out use razor blade razor knife cut out pieces i imperative blade very sharp beginning will dull time get through cutting Out pieces use razor blade apply pressure mainly pushing down fingernail first stroke line razor blade knife merely score surface Follow same path time after time cutting deeper time should take about five times before start cutting clear through cardboard try cut faster corrugations tend turn blade desired path Cuts angle corrugation lines harder cuts parallel perpendicular some cuts dont look good pull wing out cardboard piece dont worrynone cuts critical Hopefully youll pretty good time get fuselage Measure mark horizontal stabilizer elevator onto cardboard Again corruga tions must lengthwise Also elevator hinge-line top must exactly corruga tion line bottom will midway between two corrugation lines necessary elevator hinge work properly Cut out stabilizer elevator piece dont cut stabilizer elevator apart other Mark hinge line bottom should midway between two corrugation lines Cut halfway through cardboard along bottom hinge line Refer elevator hinge detail plans fin rudder piece marked onto cardboard cut out next might want trace template first trace outline onto cardboard using template hinge line left side looking tail nose should exactly corrugation line corrugations should straight up down other right side hinge line should midway between two corrugation lines alignment respect corrugation lines must adhered positioning template tracing cutting out piece try especially hard make cut along bottom fin exactly perpendicular surface fuselage next first step trace fuselage side template plan onto piece pf poster paper Use scissors cut out template Now refer fuselage assembly diagram Note top sides fuselage single piece top corners fuselage seen outside must exactly corrugation lines inside fuselage corners fold lines must midway between two corrugation lines width corrugations cardboard determines fuselage width Mine five corrugations wide size shown plans However cardboard has same corru gation width take note width fuselage may different Make sure big enough engine mount Trace fuselage side shape Onto card board lining up top flat part template along corrugation line Using pencil ruler extend front line perpendicular corru gation lines three inches past fuselage top line Along line measure fuselage top line corrugation line nearest desired fuselage width Now top flat side template lined up along corrugation line extended front line trace out shape other side fuselage Use ruler pencil connect two tail end lines together Cut out fuselage piece Take extra care ensure cuts perpendicular surface Turn over fuselage piece mark inside corner lines should midway between two corrugation lines Using pizza cutter make indentation along both inside corner lines have push somewhat hard two sides will now fold upwards giving basic fuselage structure two sides folded up vertically measure inside width fuselage -in down inside fuselage top measurement will width WF-l F-i F-2 pieces width differs what shown plan mark correction plans Trace plywood doubler shape onto plywood will need two Cut out doublers glue onto inside fuselage white glue Refer fuselage assembly diagram correct placement should line up front bottom fuselage drying wrap edges wing stabilizer elevator fin rudder use gummed postal tape kind moisten stick comes rolls about two inches wide cut down middle get two I-in strips about right work Start stab elevator piece works best wrap ends first front back First mark length end stab Continued page 129 52 Model Aviation pizza cutter handy crease fuselage folded Final assembly progress Formers glued fuselage wing/fuselage Note plywood doublers nose section already place mounting key glued wing fin/rudderfold marked notyet creased pieces cut out edges taped required folds already creasedready final sembly Scrap ordinary corrugated cardboard about -in thickness principal material ____ Specifications lrIflYSpan 86 in-~— Weight 12 Engine 91 Cline drive unit 1 Seperate detachable presheeted wing panels 2 Preassembiled fuselage frame eassembiled stabilizer elevators vertical fin rudder 1h 4 Epoxy Glass cowl wheelpants 5 Formed hatch clear canopy 6 Aluminum landing gear 554 E Frootoee St Brownsviie TX 78520 DEALER & OSTRIRUTOR iOUgReS NMThD 512 541-3867 Wayne Ulerys outstanding design Leo Loudenslagers Laser 200 geared 90 offered Model Merchant nearly constructed model critical fuselage & control surfaces framing wing sheeting has done Just some finish up ready fly best available Features machines taping up cheek cowl fits fuselage also playing aspect ratio wing course trying different props way lady name Judy Wagoner won race flying plane called Wagoner Solution report did NMPRA Cham pionship Race held Titusville FL failed mention sponsoring club Moonport Modelers CD Mr Roy Johanse Sorry about See next month Bill Hager 706 Glen Haven Dr Con roe TX 77302 RC Helicopters/Chesney Continued page 49 expected highly recommended another expert flier point hobbyist am position test modification design must rely designers test some cases impressions fellow fliers case May column before make choices beginning RC Helicopters still recommend did first column three years ago unless recommended man ufacturer local flier willing help new machine modifications should avoided until flying skills developed have flown RC years loved experiment differential flaps reducing wingspans stabilizer areas making tail dragger years best tricycle gear Pattern ship Ill continue pass modifications hear Im looking forward some great flying weather See field Dave Chesney RL 9 Box 621-A Greensboro NC 27409 FLOP/Robinson Continued page 52 elevator onto end postal tape roll Now cut length straight across scis sors Cut down middle strip splitting piece half should now have correct length 1-in tape end stabilizer elevator piece possible try cut Out pairs strips like since saves measuring time Take strip gummed tape fold half lengthwise makes easier fold around edge have work fast before gummed surface dries Now take strips get ends stab elevator ready front moisten strip get really wet Quickly stick strip lining edge up fold quickly fold bottom around edge stick down Rub both sides firmly ensure whole length nicely adhered Stick other strip other end piece same manner now go through same procedure leading edges stabilizer After done trailing edge elevator use pair strips slight overlap because its too hard work very long strips Now wrap edges fin rudder except bottom edge fin glues onto stab inside fuselage Now wrap edges wing havent having much trouble long MODELMAN IA LISTMM FITABA N s/S21 SERVIS3999518399 FITABA 4FN sf521 SERIIS2799515799 FlEAS 51K sf526 SERVIS dual rate2999511199 IIATRONICS 6-IL3299522099 AIRORINICs 4-IL2799518499 FIX 99 R/G EAGLE Mt-I carl29954499 FIX 4510 R/C Mt-I carl71954499 FIX 4888 A/C MK-I caib71954499 OS 6TFSR 8/C s/muff1599518499 KiD 61 s/perry pamp mull125996099 618 61 s/miff99585599 698 48 s/muff 6/C82514749 881511FF 2 Suprr-T Regular1299629 GILDIERG 2 aa Super let1295749 88/I saud prsfw ONCER ar Ti mapleIfar 549 11 wad es lINGER IF mapleIfar 649 Preps saId ef rise brard prlcf24mu/riue ItUCIN S mir Epoxy 9 so099579 GMP 6 mrr Epaxy TO at795499 OMP 6 mir Epoxy 11 ar1095199 818880 INCIDENT METER w/learl19151399 CINCEPT 1/4 rule FLEET BIPE1799515199 T/T6e99 Dridr Kwik-sIr& Sold Red2212/ 299 3/e99 Silum Ydlow Oargt Blue2952/ 399 1/DeDI Black ard WhIr Sizer3202/ 449 T/4e31 Available ir crlart3952/ 549 61919 PillS BUY OIANTITY SAVEI ar 12SAME SIZE 618 8/C Irrg/rlort haT 199 @6/ 19512/ 1299 KID SOD long/rhort 135 @6/ 49512/ 949 FII 8/C Isrg/slsrt [itt T49 @6/ 54912/ 1149 ElI STO Iseg/slorf List 99c @1/ 39912/ 749 610 BEE 15/iL [itT 295 @6/ 189512/ 2149 619 BEE 35/3L LisT 275 @6/ 114912/ 2149 SEND ALL IRIERS 790INIIIIIES 002 MIDELMANI PO811171ROCKAWAY P99K8711684 ALE PRICES SUBJECT TO CHANGE OFFER 5000 TIL 1519 OF THIS MONTH UNLESS CURRENT SIPPLIES ARE EIHAISTEO 101 SPECIALS-LIST FREE WITH IROEIS Sr serd SASE ard 9199 relsadallr otter FREE fREE - GIFT WITH ALL IRDEOS FREE FREE ORDERING INFORMATION SORRY NI CDI prices reclude 5% cash discaurt Mrr arder 511 Matter/Vita accepted ysu mast add 5% buck Istal rrcludr card r rapiratiar date Shippirg/hasdlrrg 1999 Ia 2100 aId 2992001 3099 add 325 3001 Ia 4099 add 499 4101 1199 add 475 1101 ta 9900 add 575 suer 8099 add 5% maximum rI 750 ard 15 lbs. OVERSIZEO Bares add S595 Out sI cart US add 15% talal fsr shipprag manes mutt Sr US carrercy ALL SALES ARE FINAL Atlas time Tar perroral check clrar NY reurdents must add applrcable sores tar laclade SASE ttr irgairios Specify sire cslsr ard type ever requrred 90 PREPARED IN MARCH 25 T991 June 1981 129 SOUTHERN RIC FLIES AGAIN! // Model Merchant IS Southern RIC . Keeping alive top line RIG aircraft Currently being offered COMPENSATOR- 60BOOTLEGGER- 60 TIGER TAIL III- 60ALLEY KAT- 40 Spoil EZ FLIER- 40 Trainer Order Direct MODEL MERCHANT 512 541-3867 554 E Fronton St Brownsville TX 78520 DEALER & I20STRIBUTOR INOUiRIES INVITEDJ Americas first practical airplane 61 span model re flects arrangement Wilburs last public flight around New York Harbor 1909 canoe lashed skid frame emer gency flotation unique kit provides builder machining hard ware chain drive functional radiator water-cooled engine free-wheeling left- righi-hand scale hardwood propeller blanks fuel tank muffler Kit also contains wood metal vacuum-formed parts create exact dimen sion replica Also included wingbuilding form Wil bur rolled plans suitable hang ing written instructions plans scale take-off track derrick George Marsden 7621 Mary Cassatt Drive Potomac Maryland 20854 AT LAST Hard Break Fibre-Filled Prop Size 10/6 Introductory Offer 6 495 12 900 24for 1600 Postage paidClub Discounts Avail Send check money order pieces can leading trailing edges four pieces slight overlap Remember wing tips before doing leading trailing edges None edges fuselage wrapped finish wing youre done procedure Before starting next step however check wrapped edges see have become loose have cut loose area open razor blade glue tape back down white glue Measure mark cut Out cardboard fuselage formers F-i F-2 wing/fuse lage mounting key WF-1 sure width pieces same inside width measured earlier fuselage Also note corrugation direction pieces width-wise Fold fuselage shape glue place two fuselage formers white glue Hold together dries using rubberbands clamps Before glue gets completely dry examine front back fuselage make adjustments necessary make corners perfectly square Also note front former recessed -in below wing cutout make room wing/fuselage mounting key WF-l Now carefully bend wing fit wing cutout fuselage may inadvertently end up some wrinkles bottom wing isnt problem point make sure wing/fuselage mounting key WF- 1 fits inside wing cutout may necessary sand down bit sanding block Mark lengthwise center line top WF-1 piece chord-wise center line top wing Glue WF- 1 piece onto top wing using center lines alignment Note piece lines up flush leading edge lacks -in reaching tip trailing edge drying mark fin/rudder hinge line right side looking back plane front fin rudder piece line should midway between two corru gation lines Using pizza cutter make indentation along line Now carefully bend rudder right angle shown plan top view also detail need take care stabilizer elevator piece Turn upside down using razor blade knife cut through edge-wrapping bottom sur face extend hinge-line cut end elevator other end same way Now take medium-dull pencil run up down elevator hinge cut enlarge bit should now able bend elevator up down quite easily Measure mark rudder slot fuselage Cut front end slot sticking tip razor knife blade through cut sides slot scissors Now examine stabilizer cutout fuselage fuselage sides dont fit flat tight onto stabilizer true up sanding block file Glue wing onto fuselage white glue Lay fuselage upside down put weights center wing hold firmly place dries Also glue stab onto fuselage Since fuselage upside down side stab elevator can see bottom side hinge cut make sure have right wing stabilizer glue joints dry pick up plane turn over Glue fin rudder again using white glue glued slot down against stabilizer Trace shape front fuselage onto plywood cut out Glue piece firewall onto front fuselage using 5mm epoxy Hold clamp place until hardens Hold poster paper up against fuselage bottom trace shape two fuselage bottom pieces sure mark length also Notice overlap little onto wing front piece onto stabilizer back piece Cut pieces out scissors glue Onto bottom fuselage Also measure cut small rectangular pieces poster paper fill hole either side fin glue place Cut some strips postal tape wrap around corners fuselage sides F-2 former plane needs canopy protect needle valve sticks up above top fuselage Dont try kid yourself plane will never crash position consider styrofoam canopy too much work just trace cut out two four side-view pieces canopy cardboard glue laminate together piece poster paper should glued over top canopy can glued fuselage make canopy out styrofoam trace side view onto styrofoam cut hot-wire coping saw measure mark center line along top foam piece trace top view shape canopy onto bottom Gently shape file coarse sandpaper block final shaping should done gently medium grit sandpaper plane painted paints attack foam canopy should now glued white glue Otherwise glued after painting complete using silicone sealer type glue some other glue will stick both foam paint attacking foam Alternately could leave spot canopy goes unpainted glue later white glue Trace bellcrank mount shape onto wood cut out Make hole bellcranks wood screw glue mount onto top left wing position shown plan Measure ensure correct positioning Make lead-out guide flying lines popsicle stick similar piece scrap Glue place top end left wing shown plan Again sure measure correct placement Painting tips use dope did will need two coats clear dope three coats postal tape edge-wrapping before color paint Sand fine sandpaper between coats use polyurethane paint might just well start color will probably take three coatssanding between coats dont 130 Model Aviation Plans $3000 $19500 plus shIpping Standard Type I1K1Vt BLAINEWANTSTOGIVE ITAWAY FREE BUT HISACCOUNTANTSAYS NO! CHECK THESE PRICESBECAUSE HE ALMOST SUCCEEDED! X-ACTO #11 Blades 5 PK RetailBP&RC 89 55 HB ENGINES RIC w/muRler HB ENGINESRETAIL 15 R/C on/orsifler$ 5085 20 RIG m/nrsfflor5895 25 RIG m/nrsffler6572 40 R/G8200 50 R/G8995 61 R/G11995 61 R/G POP 9913775 ALL OTHER NB ENGINES AT 35% 0FF. K&B ENGINES 19R/G Series 716500 21R/G 35cc re/moldIer8500 40R/G re/moldIer8250 40R/G re/poomp11000 61R/G re/moldIer9950 61R/G re/psrrrp12500 ALL OTHER K&8 ENGINES 35% 0FF FOX ENGINES 36R/G Standard4495 40Slandord MK-X6495 4069 R/G MK-X Garb7995 45R/G MK-X Garb8495 4589 R/G MK-X Garb7995 60Eagle MK-X Garb7995 6098 Horek 6 only8495 ALL OTHER FOX ENGINES AT 35% 0FF R/G Short Floes R/G Long Flogs Aitoenics Aquila Airtrenicu Olynrpic II ANOREWS H-RAY Aodreres Brg H-Ray Andrews Sporrmaster Andrews Trainermaster Andrems A-Ray Aodromo Qoick Roy Andrems X-Ray BP/RC $3090 3595 3895 4995 5395 6995 8400 3525 4625 4675 5925 5599 6895 2290 3290 4178 3575 4575 4750 4800 149ra.85 ea 149ra.85 ro 79954975 54953475 39952575 49953295 74954525 52953575 44952875 47952875 52952875 Onocon 9 S nrn890490 Devoon 1 oz S mm1 98115JEMCO Deocon 25 00 5 mm379225American Eagle 50 Scale Mustang Scale P39 Gobra 625 DU-BRO Kmk Fril Fool Pores GOLDBERG Folcor 56 MK II Senior Falcon Skylark 56 MK II Skylane 42 Skyland 62 Ranger 42 ARF Goorle Lady Godberg Handi-Tote Goldberg Retract Trr-Gear HOT STUFF 2 Sopor Glue Yr oc Sopor T HOUSE OF BALSA /rA P510 Mostorrg Fiotnopol VrA Bonanza 40 Mostang MONOKOTE 6-foot Rogulor Golors Metallics 1095 5496 74-95 5695 1995 7495 3295 2495 1995 2495 1200 395 3325 4475 3376 1325 4525 1978 1595 1155 1525 675 230 34951975 59953275 34951975 69953925 990 1170 SON IC-TRON ICS Mark V Fool Ponrp MIDWEST Gessrra Gardinal ARF Attacker Lion Wire Gbaorp BUD ROSEN MODELS Aerooca Ghamp Grtabria Trainer Guadra 2 cc TOP FLITE Gontonder 60 Gonrender 40 Headmaster 40 SUREFLITE /rA Gob J-3 Skyland ARF Airacobra ARF 555J-3 Gob ARF 710Spitfire ARF MISER PLANS $300 order 5995 2695 4495 2195 2695 1795 3895 2795 2995 3195 41 95 3925 1675 2690 1425 1625 1125 2090 677 797 1917 2517 46952650 44952625 46952825 16951025 38952195 47952495 46952695 99956475 99956475 79955350 142958495 62953675 54953075 59953425 34953195 44952295 44952295 44952295 44952295 Handling charge $00000- $10000 Add $300 $10000 $20000 Add $400 Over $20000 Add $500 ADO $200 additional Quadra Nosen shipping Alaska Hawaii add $1 500 Air Excess refunded Money order checks No COD Credit Cards No phone orders accepted mail OFFER EXPIRES 6-30-81 Prices subject mfg increases Satisfaction always guaranteed INDIANA RESIDENTS AD 4010 SALES TAX live near hobby ShOP Varathane plastic paints work well fuel doesnrt bother finish plane finished coat Varathane clear satin finish paint Remaining details canopy wasnt glued earlier glue now after paint has dried Also mark canopy frame lines using marking pen Cut bend shape 1/16-in dia wire pushrod landing gearr wire skid Poke skid up through wing right fuselage side angle shown Glue its hole epoxy Install bellcrank pushrod elevator horn Strongly recommend use Carl Goldberg YzA nylon bellcrank horn set Flex elevator up down number times loosen up after painting pushrod bows too much applying up control bend pushrod guide out 1/16-in dia wire glue place Mine didnt need Attach wheels wire landing gear using glob 5-mm epoxy paper washer Mark position engine mount ing screws make screw holes use wood screws install engine Before tighten down slide landing gear wire tighten Now install lead-outs youre finished Flying tips types flying wind conditions recommend 35-ft wire lines 008-in dia takeoff avoid giving plane up-control since will rise off ground itself reaches flying speedbecause lifting airfoil engine stops will have long gentle landing glideprovided dont try keep climbing overly nervous trying fly just let bash ground time two Pick up dust off start engine try again CL Scale/Byron Continued page 53 other aircraft Bill competed F4U4 Corsair Super Scale drawings built approximately 1963 powered Torpedo 35 built 7g-in one-in scale Bramco throttle working lights working cowl flaps also scale arresting hook aircraft painted Aero Gloss paint weighed approximately 3 lbs Bill old-time modeler may able convince compete again skills quite obivous currently runs Bill Howards Hobby Shop Waterloo IA always happy discuss things old new alike find Bill very enjoyable person visit Anyone reading column also has older pictures still available please send would enjoy reminiscing addition looking what latest thing block will try use piece information get Finishing hints have experimenting new primer decrease finishing weight aircraft made up using Sig microballoons lightweight dope thinned Sig thinner has sprayed very easily does fill larger-grained woods aircraft primed filler would normally take eight hours sand out took hour 10 minutes completely sand ready clear dope. working well talcum powder does appear type primer will work place June1981 131
Edition: Model Aviation - 1981/06
Page Numbers: 50, 51, 52, 129, 130, 131
We first heard about interesting successful CL 1/2A trainer made corrugated cardboard Dope Bucket newsletter Utah State AeromodelersIt has good looks it amazingly sti Author decided paint decorate model after found out very strong long lasting take care put too much paint weight will penalize flight performance Planes name comes unusual combination squadron plane identification conjunction roundel REMEMBER being mood build new plane few years ago didnt have balsa necessary projects envisioned However did have nice big flat piece cardboard using work board few hours later no longer work board unpainted cardboard airplane using box construction high-wing monoplane designed wing glued last after balance point determined performance plane surprised capable consec utive loops stayed out well long lines windy conditions also long landing glide surprising its durability After year flying plane expendable aircraft situation such letting kids fly found cardboard airplanes dont break just get bent out shape Because bending out shape problem finally necessary junk plane developed severe deformity nose choose 50 Model Aviation Cub Scout den den leader planes builtas Cub Scout project Missing plane right chewed up bya largedog Shown left Stephen Larson Anthony Romero CoreyGearhart Kirk Robinson Barr Hill Kelly Mayhew Adam Olson put design test FULL-SIZE PLANS AVAILABLE . SEE PAGE 140 049 TO 09 ENGINE SIDE MOUNT CYLINDER AK MUSIC WIRETO AVOID DAMAGE LANDING GEAR -11-1/4 WHEELS PERFECT OR SIMILAR WEIGHT yR PLY POSTER PAPER FUGELAGEI/B I/I~5STTSM SKIN DOUBLER 1/9 PLY DOUBLERLEAS-OUT GUIDE F-IFRN SCRAP BALANCELEADRANGE 7 STYROFOAM CAROPY UGED TOILLCRANK MCLRTS PROTECT NEEDLE IGES VALVE LEAD-OUT2 BELLCRANI SUIGE CORRUGATION GRECTION__________ IF-2XWWE SISO VIE DIN MUSIC WIRE PUSHROD WIRE PUSHROS GUIDEFUSELAGE SIDE TEMPLATE f POSTER PAPER FUSELAGE SKINWIRE PUSHROD'7 __ BOTTOM OJIDE MA CONTRO /HCBRA________ ELEV HINGE CORRUGATION IL DIRECTION OPTIONAL TRIM LINE I/B PLY DOUBLER 12 REOI ALL CARDBOARD APPROXIMATELY I/B THICK r 1 CREASE CARDBOARDN USING U PZZA CUTTER THEN FOLD UP FD FUSELASE ASGEMBLY DETAIL WRAP EDOES WITH STRIPS WF-I OF GIWiNED POSTAL TAPE WING CONSTRUCTION DETAJL "CORRUGATION DIRECTION -WF-I WING TIP WEIGHTS --4.\ 3 PENNIES ALOES TO UNDERSIDE OF WING -- N WIRE SKID -F-D ELEV HINGE UNE CUT HALF-WAY THRU FROM THE BOTTOM CORRUGATION HINSEERECTION DETAIL WING DOUBLER/FUSELAGE MOUNT I/B CAWOBSARO 2 B CAR3BSARO FLP 8 DRAWN NV KIRK call accordian syndrome promptly decided build replacement wanted something looked like full-scale aircraft easier build must also have cardboard doublers strength en nose decided After some sketching paper came up basically present design soon built flew just well its predecessor About time became Cub Scout den leader plane put test After month den meetings boys soloed new plane also put flying demonstration pack let various people crowd try until ran out propellers Successful plane however season progressed became apparent card board doublers sufficient prevent accordian syndrome Also huny get plane finished clear-doped it kept lasting lastinglooking ugly whole time Next spring some minor modifications boys Cub Scout den busy building own cardboard planes bought bellcranks wheels wire using den funds donated paint After about two months den meetings planes finished Some boys saved up money buy own engines took out flying new planes looked great flew well better yet showed no signs developing annoying nose deformities after numerous crashes recent plane shown photos took longer paint make decals took build didnt want another plane last last looking ugly whole time As may have guessed pictures name comes choice squadron plane identification lettersin combination roundel summary simple plane can built very inexpensively materials part can found around house extremely durable almost never breaks crashes ends up cartwheeling wing over wing can hand-launched can take off same manner balsa wood planes capable consecutive loops inverted flight though somewhat diffi cult return upright flight inverted also has long gentle landing glide As trainer its strong point durability Also after applying controls plane rotates before starts either up down thus giving novice little time tothink Long40-ft lines canbeused June 1981 51 ages wing tail surfaces wrapped strips gummed postal tapemoisture adhesive variety Work short lengths aying u g template Note alignment fuselage top corrugation lines Width may vary prevent dizziness Its main drawbackas traineris lifting airfoil necessary wing strength really makes want climb beginners tend let get uncomfortably high initial takeoff climb Construction Start cutting out wing youll need good flat piece cardboard 28-in x 6-in size corrugations going lengthwise Measure mark wing shape cardboard using pencil cut out use razor blade razor knife cut out pieces i imperative blade very sharp beginning will dull time get through cutting Out pieces use razor blade apply pressure mainly pushing down fingernail first stroke line razor blade knife merely score surface Follow same path time after time cutting deeper time should take about five times before start cutting clear through cardboard try cut faster corrugations tend turn blade desired path Cuts angle corrugation lines harder cuts parallel perpendicular some cuts dont look good pull wing out cardboard piece dont worrynone cuts critical Hopefully youll pretty good time get fuselage Measure mark horizontal stabilizer elevator onto cardboard Again corruga tions must lengthwise Also elevator hinge-line top must exactly corruga tion line bottom will midway between two corrugation lines necessary elevator hinge work properly Cut out stabilizer elevator piece dont cut stabilizer elevator apart other Mark hinge line bottom should midway between two corrugation lines Cut halfway through cardboard along bottom hinge line Refer elevator hinge detail plans fin rudder piece marked onto cardboard cut out next might want trace template first trace outline onto cardboard using template hinge line left side looking tail nose should exactly corrugation line corrugations should straight up down other right side hinge line should midway between two corrugation lines alignment respect corrugation lines must adhered positioning template tracing cutting out piece try especially hard make cut along bottom fin exactly perpendicular surface fuselage next first step trace fuselage side template plan onto piece pf poster paper Use scissors cut out template Now refer fuselage assembly diagram Note top sides fuselage single piece top corners fuselage seen outside must exactly corrugation lines inside fuselage corners fold lines must midway between two corrugation lines width corrugations cardboard determines fuselage width Mine five corrugations wide size shown plans However cardboard has same corru gation width take note width fuselage may different Make sure big enough engine mount Trace fuselage side shape Onto card board lining up top flat part template along corrugation line Using pencil ruler extend front line perpendicular corru gation lines three inches past fuselage top line Along line measure fuselage top line corrugation line nearest desired fuselage width Now top flat side template lined up along corrugation line extended front line trace out shape other side fuselage Use ruler pencil connect two tail end lines together Cut out fuselage piece Take extra care ensure cuts perpendicular surface Turn over fuselage piece mark inside corner lines should midway between two corrugation lines Using pizza cutter make indentation along both inside corner lines have push somewhat hard two sides will now fold upwards giving basic fuselage structure two sides folded up vertically measure inside width fuselage -in down inside fuselage top measurement will width WF-l F-i F-2 pieces width differs what shown plan mark correction plans Trace plywood doubler shape onto plywood will need two Cut out doublers glue onto inside fuselage white glue Refer fuselage assembly diagram correct placement should line up front bottom fuselage drying wrap edges wing stabilizer elevator fin rudder use gummed postal tape kind moisten stick comes rolls about two inches wide cut down middle get two I-in strips about right work Start stab elevator piece works best wrap ends first front back First mark length end stab Continued page 129 52 Model Aviation pizza cutter handy crease fuselage folded Final assembly progress Formers glued fuselage wing/fuselage Note plywood doublers nose section already place mounting key glued wing fin/rudderfold marked notyet creased pieces cut out edges taped required folds already creasedready final sembly Scrap ordinary corrugated cardboard about -in thickness principal material ____ Specifications lrIflYSpan 86 in-~— Weight 12 Engine 91 Cline drive unit 1 Seperate detachable presheeted wing panels 2 Preassembiled fuselage frame eassembiled stabilizer elevators vertical fin rudder 1h 4 Epoxy Glass cowl wheelpants 5 Formed hatch clear canopy 6 Aluminum landing gear 554 E Frootoee St Brownsviie TX 78520 DEALER & OSTRIRUTOR iOUgReS NMThD 512 541-3867 Wayne Ulerys outstanding design Leo Loudenslagers Laser 200 geared 90 offered Model Merchant nearly constructed model critical fuselage & control surfaces framing wing sheeting has done Just some finish up ready fly best available Features machines taping up cheek cowl fits fuselage also playing aspect ratio wing course trying different props way lady name Judy Wagoner won race flying plane called Wagoner Solution report did NMPRA Cham pionship Race held Titusville FL failed mention sponsoring club Moonport Modelers CD Mr Roy Johanse Sorry about See next month Bill Hager 706 Glen Haven Dr Con roe TX 77302 RC Helicopters/Chesney Continued page 49 expected highly recommended another expert flier point hobbyist am position test modification design must rely designers test some cases impressions fellow fliers case May column before make choices beginning RC Helicopters still recommend did first column three years ago unless recommended man ufacturer local flier willing help new machine modifications should avoided until flying skills developed have flown RC years loved experiment differential flaps reducing wingspans stabilizer areas making tail dragger years best tricycle gear Pattern ship Ill continue pass modifications hear Im looking forward some great flying weather See field Dave Chesney RL 9 Box 621-A Greensboro NC 27409 FLOP/Robinson Continued page 52 elevator onto end postal tape roll Now cut length straight across scis sors Cut down middle strip splitting piece half should now have correct length 1-in tape end stabilizer elevator piece possible try cut Out pairs strips like since saves measuring time Take strip gummed tape fold half lengthwise makes easier fold around edge have work fast before gummed surface dries Now take strips get ends stab elevator ready front moisten strip get really wet Quickly stick strip lining edge up fold quickly fold bottom around edge stick down Rub both sides firmly ensure whole length nicely adhered Stick other strip other end piece same manner now go through same procedure leading edges stabilizer After done trailing edge elevator use pair strips slight overlap because its too hard work very long strips Now wrap edges fin rudder except bottom edge fin glues onto stab inside fuselage Now wrap edges wing havent having much trouble long MODELMAN IA LISTMM FITABA N s/S21 SERVIS3999518399 FITABA 4FN sf521 SERIIS2799515799 FlEAS 51K sf526 SERVIS dual rate2999511199 IIATRONICS 6-IL3299522099 AIRORINICs 4-IL2799518499 FIX 99 R/G EAGLE Mt-I carl29954499 FIX 4510 R/C Mt-I carl71954499 FIX 4888 A/C MK-I caib71954499 OS 6TFSR 8/C s/muff1599518499 KiD 61 s/perry pamp mull125996099 618 61 s/miff99585599 698 48 s/muff 6/C82514749 881511FF 2 Suprr-T Regular1299629 GILDIERG 2 aa Super let1295749 88/I saud prsfw ONCER ar Ti mapleIfar 549 11 wad es lINGER IF mapleIfar 649 Preps saId ef rise brard prlcf24mu/riue ItUCIN S mir Epoxy 9 so099579 GMP 6 mrr Epaxy TO at795499 OMP 6 mir Epoxy 11 ar1095199 818880 INCIDENT METER w/learl19151399 CINCEPT 1/4 rule FLEET BIPE1799515199 T/T6e99 Dridr Kwik-sIr& Sold Red2212/ 299 3/e99 Silum Ydlow Oargt Blue2952/ 399 1/DeDI Black ard WhIr Sizer3202/ 449 T/4e31 Available ir crlart3952/ 549 61919 PillS BUY OIANTITY SAVEI ar 12SAME SIZE 618 8/C Irrg/rlort haT 199 @6/ 19512/ 1299 KID SOD long/rhort 135 @6/ 49512/ 949 FII 8/C Isrg/slsrt [itt T49 @6/ 54912/ 1149 ElI STO Iseg/slorf List 99c @1/ 39912/ 749 610 BEE 15/iL [itT 295 @6/ 189512/ 2149 619 BEE 35/3L LisT 275 @6/ 114912/ 2149 SEND ALL IRIERS 790INIIIIIES 002 MIDELMANI PO811171ROCKAWAY P99K8711684 ALE PRICES SUBJECT TO CHANGE OFFER 5000 TIL 1519 OF THIS MONTH UNLESS CURRENT SIPPLIES ARE EIHAISTEO 101 SPECIALS-LIST FREE WITH IROEIS Sr serd SASE ard 9199 relsadallr otter FREE fREE - GIFT WITH ALL IRDEOS FREE FREE ORDERING INFORMATION SORRY NI CDI prices reclude 5% cash discaurt Mrr arder 511 Matter/Vita accepted ysu mast add 5% buck Istal rrcludr card r rapiratiar date Shippirg/hasdlrrg 1999 Ia 2100 aId 2992001 3099 add 325 3001 Ia 4099 add 499 4101 1199 add 475 1101 ta 9900 add 575 suer 8099 add 5% maximum rI 750 ard 15 lbs. OVERSIZEO Bares add S595 Out sI cart US add 15% talal fsr shipprag manes mutt Sr US carrercy ALL SALES ARE FINAL Atlas time Tar perroral check clrar NY reurdents must add applrcable sores tar laclade SASE ttr irgairios Specify sire cslsr ard type ever requrred 90 PREPARED IN MARCH 25 T991 June 1981 129 SOUTHERN RIC FLIES AGAIN! // Model Merchant IS Southern RIC . Keeping alive top line RIG aircraft Currently being offered COMPENSATOR- 60BOOTLEGGER- 60 TIGER TAIL III- 60ALLEY KAT- 40 Spoil EZ FLIER- 40 Trainer Order Direct MODEL MERCHANT 512 541-3867 554 E Fronton St Brownsville TX 78520 DEALER & I20STRIBUTOR INOUiRIES INVITEDJ Americas first practical airplane 61 span model re flects arrangement Wilburs last public flight around New York Harbor 1909 canoe lashed skid frame emer gency flotation unique kit provides builder machining hard ware chain drive functional radiator water-cooled engine free-wheeling left- righi-hand scale hardwood propeller blanks fuel tank muffler Kit also contains wood metal vacuum-formed parts create exact dimen sion replica Also included wingbuilding form Wil bur rolled plans suitable hang ing written instructions plans scale take-off track derrick George Marsden 7621 Mary Cassatt Drive Potomac Maryland 20854 AT LAST Hard Break Fibre-Filled Prop Size 10/6 Introductory Offer 6 495 12 900 24for 1600 Postage paidClub Discounts Avail Send check money order pieces can leading trailing edges four pieces slight overlap Remember wing tips before doing leading trailing edges None edges fuselage wrapped finish wing youre done procedure Before starting next step however check wrapped edges see have become loose have cut loose area open razor blade glue tape back down white glue Measure mark cut Out cardboard fuselage formers F-i F-2 wing/fuse lage mounting key WF-1 sure width pieces same inside width measured earlier fuselage Also note corrugation direction pieces width-wise Fold fuselage shape glue place two fuselage formers white glue Hold together dries using rubberbands clamps Before glue gets completely dry examine front back fuselage make adjustments necessary make corners perfectly square Also note front former recessed -in below wing cutout make room wing/fuselage mounting key WF-l Now carefully bend wing fit wing cutout fuselage may inadvertently end up some wrinkles bottom wing isnt problem point make sure wing/fuselage mounting key WF- 1 fits inside wing cutout may necessary sand down bit sanding block Mark lengthwise center line top WF-1 piece chord-wise center line top wing Glue WF- 1 piece onto top wing using center lines alignment Note piece lines up flush leading edge lacks -in reaching tip trailing edge drying mark fin/rudder hinge line right side looking back plane front fin rudder piece line should midway between two corru gation lines Using pizza cutter make indentation along line Now carefully bend rudder right angle shown plan top view also detail need take care stabilizer elevator piece Turn upside down using razor blade knife cut through edge-wrapping bottom sur face extend hinge-line cut end elevator other end same way Now take medium-dull pencil run up down elevator hinge cut enlarge bit should now able bend elevator up down quite easily Measure mark rudder slot fuselage Cut front end slot sticking tip razor knife blade through cut sides slot scissors Now examine stabilizer cutout fuselage fuselage sides dont fit flat tight onto stabilizer true up sanding block file Glue wing onto fuselage white glue Lay fuselage upside down put weights center wing hold firmly place dries Also glue stab onto fuselage Since fuselage upside down side stab elevator can see bottom side hinge cut make sure have right wing stabilizer glue joints dry pick up plane turn over Glue fin rudder again using white glue glued slot down against stabilizer Trace shape front fuselage onto plywood cut out Glue piece firewall onto front fuselage using 5mm epoxy Hold clamp place until hardens Hold poster paper up against fuselage bottom trace shape two fuselage bottom pieces sure mark length also Notice overlap little onto wing front piece onto stabilizer back piece Cut pieces out scissors glue Onto bottom fuselage Also measure cut small rectangular pieces poster paper fill hole either side fin glue place Cut some strips postal tape wrap around corners fuselage sides F-2 former plane needs canopy protect needle valve sticks up above top fuselage Dont try kid yourself plane will never crash position consider styrofoam canopy too much work just trace cut out two four side-view pieces canopy cardboard glue laminate together piece poster paper should glued over top canopy can glued fuselage make canopy out styrofoam trace side view onto styrofoam cut hot-wire coping saw measure mark center line along top foam piece trace top view shape canopy onto bottom Gently shape file coarse sandpaper block final shaping should done gently medium grit sandpaper plane painted paints attack foam canopy should now glued white glue Otherwise glued after painting complete using silicone sealer type glue some other glue will stick both foam paint attacking foam Alternately could leave spot canopy goes unpainted glue later white glue Trace bellcrank mount shape onto wood cut out Make hole bellcranks wood screw glue mount onto top left wing position shown plan Measure ensure correct positioning Make lead-out guide flying lines popsicle stick similar piece scrap Glue place top end left wing shown plan Again sure measure correct placement Painting tips use dope did will need two coats clear dope three coats postal tape edge-wrapping before color paint Sand fine sandpaper between coats use polyurethane paint might just well start color will probably take three coatssanding between coats dont 130 Model Aviation Plans $3000 $19500 plus shIpping Standard Type I1K1Vt BLAINEWANTSTOGIVE ITAWAY FREE BUT HISACCOUNTANTSAYS NO! CHECK THESE PRICESBECAUSE HE ALMOST SUCCEEDED! X-ACTO #11 Blades 5 PK RetailBP&RC 89 55 HB ENGINES RIC w/muRler HB ENGINESRETAIL 15 R/C on/orsifler$ 5085 20 RIG m/nrsfflor5895 25 RIG m/nrsffler6572 40 R/G8200 50 R/G8995 61 R/G11995 61 R/G POP 9913775 ALL OTHER NB ENGINES AT 35% 0FF. K&B ENGINES 19R/G Series 716500 21R/G 35cc re/moldIer8500 40R/G re/moldIer8250 40R/G re/poomp11000 61R/G re/moldIer9950 61R/G re/psrrrp12500 ALL OTHER K&8 ENGINES 35% 0FF FOX ENGINES 36R/G Standard4495 40Slandord MK-X6495 4069 R/G MK-X Garb7995 45R/G MK-X Garb8495 4589 R/G MK-X Garb7995 60Eagle MK-X Garb7995 6098 Horek 6 only8495 ALL OTHER FOX ENGINES AT 35% 0FF R/G Short Floes R/G Long Flogs Aitoenics Aquila Airtrenicu Olynrpic II ANOREWS H-RAY Aodreres Brg H-Ray Andrews Sporrmaster Andrews Trainermaster Andrems A-Ray Aodromo Qoick Roy Andrems X-Ray BP/RC $3090 3595 3895 4995 5395 6995 8400 3525 4625 4675 5925 5599 6895 2290 3290 4178 3575 4575 4750 4800 149ra.85 ea 149ra.85 ro 79954975 54953475 39952575 49953295 74954525 52953575 44952875 47952875 52952875 Onocon 9 S nrn890490 Devoon 1 oz S mm1 98115JEMCO Deocon 25 00 5 mm379225American Eagle 50 Scale Mustang Scale P39 Gobra 625 DU-BRO Kmk Fril Fool Pores GOLDBERG Folcor 56 MK II Senior Falcon Skylark 56 MK II Skylane 42 Skyland 62 Ranger 42 ARF Goorle Lady Godberg Handi-Tote Goldberg Retract Trr-Gear HOT STUFF 2 Sopor Glue Yr oc Sopor T HOUSE OF BALSA /rA P510 Mostorrg Fiotnopol VrA Bonanza 40 Mostang MONOKOTE 6-foot Rogulor Golors Metallics 1095 5496 74-95 5695 1995 7495 3295 2495 1995 2495 1200 395 3325 4475 3376 1325 4525 1978 1595 1155 1525 675 230 34951975 59953275 34951975 69953925 990 1170 SON IC-TRON ICS Mark V Fool Ponrp MIDWEST Gessrra Gardinal ARF Attacker Lion Wire Gbaorp BUD ROSEN MODELS Aerooca Ghamp Grtabria Trainer Guadra 2 cc TOP FLITE Gontonder 60 Gonrender 40 Headmaster 40 SUREFLITE /rA Gob J-3 Skyland ARF Airacobra ARF 555J-3 Gob ARF 710Spitfire ARF MISER PLANS $300 order 5995 2695 4495 2195 2695 1795 3895 2795 2995 3195 41 95 3925 1675 2690 1425 1625 1125 2090 677 797 1917 2517 46952650 44952625 46952825 16951025 38952195 47952495 46952695 99956475 99956475 79955350 142958495 62953675 54953075 59953425 34953195 44952295 44952295 44952295 44952295 Handling charge $00000- $10000 Add $300 $10000 $20000 Add $400 Over $20000 Add $500 ADO $200 additional Quadra Nosen shipping Alaska Hawaii add $1 500 Air Excess refunded Money order checks No COD Credit Cards No phone orders accepted mail OFFER EXPIRES 6-30-81 Prices subject mfg increases Satisfaction always guaranteed INDIANA RESIDENTS AD 4010 SALES TAX live near hobby ShOP Varathane plastic paints work well fuel doesnrt bother finish plane finished coat Varathane clear satin finish paint Remaining details canopy wasnt glued earlier glue now after paint has dried Also mark canopy frame lines using marking pen Cut bend shape 1/16-in dia wire pushrod landing gearr wire skid Poke skid up through wing right fuselage side angle shown Glue its hole epoxy Install bellcrank pushrod elevator horn Strongly recommend use Carl Goldberg YzA nylon bellcrank horn set Flex elevator up down number times loosen up after painting pushrod bows too much applying up control bend pushrod guide out 1/16-in dia wire glue place Mine didnt need Attach wheels wire landing gear using glob 5-mm epoxy paper washer Mark position engine mount ing screws make screw holes use wood screws install engine Before tighten down slide landing gear wire tighten Now install lead-outs youre finished Flying tips types flying wind conditions recommend 35-ft wire lines 008-in dia takeoff avoid giving plane up-control since will rise off ground itself reaches flying speedbecause lifting airfoil engine stops will have long gentle landing glideprovided dont try keep climbing overly nervous trying fly just let bash ground time two Pick up dust off start engine try again CL Scale/Byron Continued page 53 other aircraft Bill competed F4U4 Corsair Super Scale drawings built approximately 1963 powered Torpedo 35 built 7g-in one-in scale Bramco throttle working lights working cowl flaps also scale arresting hook aircraft painted Aero Gloss paint weighed approximately 3 lbs Bill old-time modeler may able convince compete again skills quite obivous currently runs Bill Howards Hobby Shop Waterloo IA always happy discuss things old new alike find Bill very enjoyable person visit Anyone reading column also has older pictures still available please send would enjoy reminiscing addition looking what latest thing block will try use piece information get Finishing hints have experimenting new primer decrease finishing weight aircraft made up using Sig microballoons lightweight dope thinned Sig thinner has sprayed very easily does fill larger-grained woods aircraft primed filler would normally take eight hours sand out took hour 10 minutes completely sand ready clear dope. working well talcum powder does appear type primer will work place June1981 131
Edition: Model Aviation - 1981/06
Page Numbers: 50, 51, 52, 129, 130, 131
We first heard about interesting successful CL 1/2A trainer made corrugated cardboard Dope Bucket newsletter Utah State AeromodelersIt has good looks it amazingly sti Author decided paint decorate model after found out very strong long lasting take care put too much paint weight will penalize flight performance Planes name comes unusual combination squadron plane identification conjunction roundel REMEMBER being mood build new plane few years ago didnt have balsa necessary projects envisioned However did have nice big flat piece cardboard using work board few hours later no longer work board unpainted cardboard airplane using box construction high-wing monoplane designed wing glued last after balance point determined performance plane surprised capable consec utive loops stayed out well long lines windy conditions also long landing glide surprising its durability After year flying plane expendable aircraft situation such letting kids fly found cardboard airplanes dont break just get bent out shape Because bending out shape problem finally necessary junk plane developed severe deformity nose choose 50 Model Aviation Cub Scout den den leader planes builtas Cub Scout project Missing plane right chewed up bya largedog Shown left Stephen Larson Anthony Romero CoreyGearhart Kirk Robinson Barr Hill Kelly Mayhew Adam Olson put design test FULL-SIZE PLANS AVAILABLE . SEE PAGE 140 049 TO 09 ENGINE SIDE MOUNT CYLINDER AK MUSIC WIRETO AVOID DAMAGE LANDING GEAR -11-1/4 WHEELS PERFECT OR SIMILAR WEIGHT yR PLY POSTER PAPER FUGELAGEI/B I/I~5STTSM SKIN DOUBLER 1/9 PLY DOUBLERLEAS-OUT GUIDE F-IFRN SCRAP BALANCELEADRANGE 7 STYROFOAM CAROPY UGED TOILLCRANK MCLRTS PROTECT NEEDLE IGES VALVE LEAD-OUT2 BELLCRANI SUIGE CORRUGATION GRECTION__________ IF-2XWWE SISO VIE DIN MUSIC WIRE PUSHROD WIRE PUSHROS GUIDEFUSELAGE SIDE TEMPLATE f POSTER PAPER FUSELAGE SKINWIRE PUSHROD'7 __ BOTTOM OJIDE MA CONTRO /HCBRA________ ELEV HINGE CORRUGATION IL DIRECTION OPTIONAL TRIM LINE I/B PLY DOUBLER 12 REOI ALL CARDBOARD APPROXIMATELY I/B THICK r 1 CREASE CARDBOARDN USING U PZZA CUTTER THEN FOLD UP FD FUSELASE ASGEMBLY DETAIL WRAP EDOES WITH STRIPS WF-I OF GIWiNED POSTAL TAPE WING CONSTRUCTION DETAJL "CORRUGATION DIRECTION -WF-I WING TIP WEIGHTS --4.\ 3 PENNIES ALOES TO UNDERSIDE OF WING -- N WIRE SKID -F-D ELEV HINGE UNE CUT HALF-WAY THRU FROM THE BOTTOM CORRUGATION HINSEERECTION DETAIL WING DOUBLER/FUSELAGE MOUNT I/B CAWOBSARO 2 B CAR3BSARO FLP 8 DRAWN NV KIRK call accordian syndrome promptly decided build replacement wanted something looked like full-scale aircraft easier build must also have cardboard doublers strength en nose decided After some sketching paper came up basically present design soon built flew just well its predecessor About time became Cub Scout den leader plane put test After month den meetings boys soloed new plane also put flying demonstration pack let various people crowd try until ran out propellers Successful plane however season progressed became apparent card board doublers sufficient prevent accordian syndrome Also huny get plane finished clear-doped it kept lasting lastinglooking ugly whole time Next spring some minor modifications boys Cub Scout den busy building own cardboard planes bought bellcranks wheels wire using den funds donated paint After about two months den meetings planes finished Some boys saved up money buy own engines took out flying new planes looked great flew well better yet showed no signs developing annoying nose deformities after numerous crashes recent plane shown photos took longer paint make decals took build didnt want another plane last last looking ugly whole time As may have guessed pictures name comes choice squadron plane identification lettersin combination roundel summary simple plane can built very inexpensively materials part can found around house extremely durable almost never breaks crashes ends up cartwheeling wing over wing can hand-launched can take off same manner balsa wood planes capable consecutive loops inverted flight though somewhat diffi cult return upright flight inverted also has long gentle landing glide As trainer its strong point durability Also after applying controls plane rotates before starts either up down thus giving novice little time tothink Long40-ft lines canbeused June 1981 51 ages wing tail surfaces wrapped strips gummed postal tapemoisture adhesive variety Work short lengths aying u g template Note alignment fuselage top corrugation lines Width may vary prevent dizziness Its main drawbackas traineris lifting airfoil necessary wing strength really makes want climb beginners tend let get uncomfortably high initial takeoff climb Construction Start cutting out wing youll need good flat piece cardboard 28-in x 6-in size corrugations going lengthwise Measure mark wing shape cardboard using pencil cut out use razor blade razor knife cut out pieces i imperative blade very sharp beginning will dull time get through cutting Out pieces use razor blade apply pressure mainly pushing down fingernail first stroke line razor blade knife merely score surface Follow same path time after time cutting deeper time should take about five times before start cutting clear through cardboard try cut faster corrugations tend turn blade desired path Cuts angle corrugation lines harder cuts parallel perpendicular some cuts dont look good pull wing out cardboard piece dont worrynone cuts critical Hopefully youll pretty good time get fuselage Measure mark horizontal stabilizer elevator onto cardboard Again corruga tions must lengthwise Also elevator hinge-line top must exactly corruga tion line bottom will midway between two corrugation lines necessary elevator hinge work properly Cut out stabilizer elevator piece dont cut stabilizer elevator apart other Mark hinge line bottom should midway between two corrugation lines Cut halfway through cardboard along bottom hinge line Refer elevator hinge detail plans fin rudder piece marked onto cardboard cut out next might want trace template first trace outline onto cardboard using template hinge line left side looking tail nose should exactly corrugation line corrugations should straight up down other right side hinge line should midway between two corrugation lines alignment respect corrugation lines must adhered positioning template tracing cutting out piece try especially hard make cut along bottom fin exactly perpendicular surface fuselage next first step trace fuselage side template plan onto piece pf poster paper Use scissors cut out template Now refer fuselage assembly diagram Note top sides fuselage single piece top corners fuselage seen outside must exactly corrugation lines inside fuselage corners fold lines must midway between two corrugation lines width corrugations cardboard determines fuselage width Mine five corrugations wide size shown plans However cardboard has same corru gation width take note width fuselage may different Make sure big enough engine mount Trace fuselage side shape Onto card board lining up top flat part template along corrugation line Using pencil ruler extend front line perpendicular corru gation lines three inches past fuselage top line Along line measure fuselage top line corrugation line nearest desired fuselage width Now top flat side template lined up along corrugation line extended front line trace out shape other side fuselage Use ruler pencil connect two tail end lines together Cut out fuselage piece Take extra care ensure cuts perpendicular surface Turn over fuselage piece mark inside corner lines should midway between two corrugation lines Using pizza cutter make indentation along both inside corner lines have push somewhat hard two sides will now fold upwards giving basic fuselage structure two sides folded up vertically measure inside width fuselage -in down inside fuselage top measurement will width WF-l F-i F-2 pieces width differs what shown plan mark correction plans Trace plywood doubler shape onto plywood will need two Cut out doublers glue onto inside fuselage white glue Refer fuselage assembly diagram correct placement should line up front bottom fuselage drying wrap edges wing stabilizer elevator fin rudder use gummed postal tape kind moisten stick comes rolls about two inches wide cut down middle get two I-in strips about right work Start stab elevator piece works best wrap ends first front back First mark length end stab Continued page 129 52 Model Aviation pizza cutter handy crease fuselage folded Final assembly progress Formers glued fuselage wing/fuselage Note plywood doublers nose section already place mounting key glued wing fin/rudderfold marked notyet creased pieces cut out edges taped required folds already creasedready final sembly Scrap ordinary corrugated cardboard about -in thickness principal material ____ Specifications lrIflYSpan 86 in-~— Weight 12 Engine 91 Cline drive unit 1 Seperate detachable presheeted wing panels 2 Preassembiled fuselage frame eassembiled stabilizer elevators vertical fin rudder 1h 4 Epoxy Glass cowl wheelpants 5 Formed hatch clear canopy 6 Aluminum landing gear 554 E Frootoee St Brownsviie TX 78520 DEALER & OSTRIRUTOR iOUgReS NMThD 512 541-3867 Wayne Ulerys outstanding design Leo Loudenslagers Laser 200 geared 90 offered Model Merchant nearly constructed model critical fuselage & control surfaces framing wing sheeting has done Just some finish up ready fly best available Features machines taping up cheek cowl fits fuselage also playing aspect ratio wing course trying different props way lady name Judy Wagoner won race flying plane called Wagoner Solution report did NMPRA Cham pionship Race held Titusville FL failed mention sponsoring club Moonport Modelers CD Mr Roy Johanse Sorry about See next month Bill Hager 706 Glen Haven Dr Con roe TX 77302 RC Helicopters/Chesney Continued page 49 expected highly recommended another expert flier point hobbyist am position test modification design must rely designers test some cases impressions fellow fliers case May column before make choices beginning RC Helicopters still recommend did first column three years ago unless recommended man ufacturer local flier willing help new machine modifications should avoided until flying skills developed have flown RC years loved experiment differential flaps reducing wingspans stabilizer areas making tail dragger years best tricycle gear Pattern ship Ill continue pass modifications hear Im looking forward some great flying weather See field Dave Chesney RL 9 Box 621-A Greensboro NC 27409 FLOP/Robinson Continued page 52 elevator onto end postal tape roll Now cut length straight across scis sors Cut down middle strip splitting piece half should now have correct length 1-in tape end stabilizer elevator piece possible try cut Out pairs strips like since saves measuring time Take strip gummed tape fold half lengthwise makes easier fold around edge have work fast before gummed surface dries Now take strips get ends stab elevator ready front moisten strip get really wet Quickly stick strip lining edge up fold quickly fold bottom around edge stick down Rub both sides firmly ensure whole length nicely adhered Stick other strip other end piece same manner now go through same procedure leading edges stabilizer After done trailing edge elevator use pair strips slight overlap because its too hard work very long strips Now wrap edges fin rudder except bottom edge fin glues onto stab inside fuselage Now wrap edges wing havent having much trouble long MODELMAN IA LISTMM FITABA N s/S21 SERVIS3999518399 FITABA 4FN sf521 SERIIS2799515799 FlEAS 51K sf526 SERVIS dual rate2999511199 IIATRONICS 6-IL3299522099 AIRORINICs 4-IL2799518499 FIX 99 R/G EAGLE Mt-I carl29954499 FIX 4510 R/C Mt-I carl71954499 FIX 4888 A/C MK-I caib71954499 OS 6TFSR 8/C s/muff1599518499 KiD 61 s/perry pamp mull125996099 618 61 s/miff99585599 698 48 s/muff 6/C82514749 881511FF 2 Suprr-T Regular1299629 GILDIERG 2 aa Super let1295749 88/I saud prsfw ONCER ar Ti mapleIfar 549 11 wad es lINGER IF mapleIfar 649 Preps saId ef rise brard prlcf24mu/riue ItUCIN S mir Epoxy 9 so099579 GMP 6 mrr Epaxy TO at795499 OMP 6 mir Epoxy 11 ar1095199 818880 INCIDENT METER w/learl19151399 CINCEPT 1/4 rule FLEET BIPE1799515199 T/T6e99 Dridr Kwik-sIr& Sold Red2212/ 299 3/e99 Silum Ydlow Oargt Blue2952/ 399 1/DeDI Black ard WhIr Sizer3202/ 449 T/4e31 Available ir crlart3952/ 549 61919 PillS BUY OIANTITY SAVEI ar 12SAME SIZE 618 8/C Irrg/rlort haT 199 @6/ 19512/ 1299 KID SOD long/rhort 135 @6/ 49512/ 949 FII 8/C Isrg/slsrt [itt T49 @6/ 54912/ 1149 ElI STO Iseg/slorf List 99c @1/ 39912/ 749 610 BEE 15/iL [itT 295 @6/ 189512/ 2149 619 BEE 35/3L LisT 275 @6/ 114912/ 2149 SEND ALL IRIERS 790INIIIIIES 002 MIDELMANI PO811171ROCKAWAY P99K8711684 ALE PRICES SUBJECT TO CHANGE OFFER 5000 TIL 1519 OF THIS MONTH UNLESS CURRENT SIPPLIES ARE EIHAISTEO 101 SPECIALS-LIST FREE WITH IROEIS Sr serd SASE ard 9199 relsadallr otter FREE fREE - GIFT WITH ALL IRDEOS FREE FREE ORDERING INFORMATION SORRY NI CDI prices reclude 5% cash discaurt Mrr arder 511 Matter/Vita accepted ysu mast add 5% buck Istal rrcludr card r rapiratiar date Shippirg/hasdlrrg 1999 Ia 2100 aId 2992001 3099 add 325 3001 Ia 4099 add 499 4101 1199 add 475 1101 ta 9900 add 575 suer 8099 add 5% maximum rI 750 ard 15 lbs. OVERSIZEO Bares add S595 Out sI cart US add 15% talal fsr shipprag manes mutt Sr US carrercy ALL SALES ARE FINAL Atlas time Tar perroral check clrar NY reurdents must add applrcable sores tar laclade SASE ttr irgairios Specify sire cslsr ard type ever requrred 90 PREPARED IN MARCH 25 T991 June 1981 129 SOUTHERN RIC FLIES AGAIN! // Model Merchant IS Southern RIC . Keeping alive top line RIG aircraft Currently being offered COMPENSATOR- 60BOOTLEGGER- 60 TIGER TAIL III- 60ALLEY KAT- 40 Spoil EZ FLIER- 40 Trainer Order Direct MODEL MERCHANT 512 541-3867 554 E Fronton St Brownsville TX 78520 DEALER & I20STRIBUTOR INOUiRIES INVITEDJ Americas first practical airplane 61 span model re flects arrangement Wilburs last public flight around New York Harbor 1909 canoe lashed skid frame emer gency flotation unique kit provides builder machining hard ware chain drive functional radiator water-cooled engine free-wheeling left- righi-hand scale hardwood propeller blanks fuel tank muffler Kit also contains wood metal vacuum-formed parts create exact dimen sion replica Also included wingbuilding form Wil bur rolled plans suitable hang ing written instructions plans scale take-off track derrick George Marsden 7621 Mary Cassatt Drive Potomac Maryland 20854 AT LAST Hard Break Fibre-Filled Prop Size 10/6 Introductory Offer 6 495 12 900 24for 1600 Postage paidClub Discounts Avail Send check money order pieces can leading trailing edges four pieces slight overlap Remember wing tips before doing leading trailing edges None edges fuselage wrapped finish wing youre done procedure Before starting next step however check wrapped edges see have become loose have cut loose area open razor blade glue tape back down white glue Measure mark cut Out cardboard fuselage formers F-i F-2 wing/fuse lage mounting key WF-1 sure width pieces same inside width measured earlier fuselage Also note corrugation direction pieces width-wise Fold fuselage shape glue place two fuselage formers white glue Hold together dries using rubberbands clamps Before glue gets completely dry examine front back fuselage make adjustments necessary make corners perfectly square Also note front former recessed -in below wing cutout make room wing/fuselage mounting key WF-l Now carefully bend wing fit wing cutout fuselage may inadvertently end up some wrinkles bottom wing isnt problem point make sure wing/fuselage mounting key WF- 1 fits inside wing cutout may necessary sand down bit sanding block Mark lengthwise center line top WF-1 piece chord-wise center line top wing Glue WF- 1 piece onto top wing using center lines alignment Note piece lines up flush leading edge lacks -in reaching tip trailing edge drying mark fin/rudder hinge line right side looking back plane front fin rudder piece line should midway between two corru gation lines Using pizza cutter make indentation along line Now carefully bend rudder right angle shown plan top view also detail need take care stabilizer elevator piece Turn upside down using razor blade knife cut through edge-wrapping bottom sur face extend hinge-line cut end elevator other end same way Now take medium-dull pencil run up down elevator hinge cut enlarge bit should now able bend elevator up down quite easily Measure mark rudder slot fuselage Cut front end slot sticking tip razor knife blade through cut sides slot scissors Now examine stabilizer cutout fuselage fuselage sides dont fit flat tight onto stabilizer true up sanding block file Glue wing onto fuselage white glue Lay fuselage upside down put weights center wing hold firmly place dries Also glue stab onto fuselage Since fuselage upside down side stab elevator can see bottom side hinge cut make sure have right wing stabilizer glue joints dry pick up plane turn over Glue fin rudder again using white glue glued slot down against stabilizer Trace shape front fuselage onto plywood cut out Glue piece firewall onto front fuselage using 5mm epoxy Hold clamp place until hardens Hold poster paper up against fuselage bottom trace shape two fuselage bottom pieces sure mark length also Notice overlap little onto wing front piece onto stabilizer back piece Cut pieces out scissors glue Onto bottom fuselage Also measure cut small rectangular pieces poster paper fill hole either side fin glue place Cut some strips postal tape wrap around corners fuselage sides F-2 former plane needs canopy protect needle valve sticks up above top fuselage Dont try kid yourself plane will never crash position consider styrofoam canopy too much work just trace cut out two four side-view pieces canopy cardboard glue laminate together piece poster paper should glued over top canopy can glued fuselage make canopy out styrofoam trace side view onto styrofoam cut hot-wire coping saw measure mark center line along top foam piece trace top view shape canopy onto bottom Gently shape file coarse sandpaper block final shaping should done gently medium grit sandpaper plane painted paints attack foam canopy should now glued white glue Otherwise glued after painting complete using silicone sealer type glue some other glue will stick both foam paint attacking foam Alternately could leave spot canopy goes unpainted glue later white glue Trace bellcrank mount shape onto wood cut out Make hole bellcranks wood screw glue mount onto top left wing position shown plan Measure ensure correct positioning Make lead-out guide flying lines popsicle stick similar piece scrap Glue place top end left wing shown plan Again sure measure correct placement Painting tips use dope did will need two coats clear dope three coats postal tape edge-wrapping before color paint Sand fine sandpaper between coats use polyurethane paint might just well start color will probably take three coatssanding between coats dont 130 Model Aviation Plans $3000 $19500 plus shIpping Standard Type I1K1Vt BLAINEWANTSTOGIVE ITAWAY FREE BUT HISACCOUNTANTSAYS NO! CHECK THESE PRICESBECAUSE HE ALMOST SUCCEEDED! X-ACTO #11 Blades 5 PK RetailBP&RC 89 55 HB ENGINES RIC w/muRler HB ENGINESRETAIL 15 R/C on/orsifler$ 5085 20 RIG m/nrsfflor5895 25 RIG m/nrsffler6572 40 R/G8200 50 R/G8995 61 R/G11995 61 R/G POP 9913775 ALL OTHER NB ENGINES AT 35% 0FF. K&B ENGINES 19R/G Series 716500 21R/G 35cc re/moldIer8500 40R/G re/moldIer8250 40R/G re/poomp11000 61R/G re/moldIer9950 61R/G re/psrrrp12500 ALL OTHER K&8 ENGINES 35% 0FF FOX ENGINES 36R/G Standard4495 40Slandord MK-X6495 4069 R/G MK-X Garb7995 45R/G MK-X Garb8495 4589 R/G MK-X Garb7995 60Eagle MK-X Garb7995 6098 Horek 6 only8495 ALL OTHER FOX ENGINES AT 35% 0FF R/G Short Floes R/G Long Flogs Aitoenics Aquila Airtrenicu Olynrpic II ANOREWS H-RAY Aodreres Brg H-Ray Andrews Sporrmaster Andrews Trainermaster Andrems A-Ray Aodromo Qoick Roy Andrems X-Ray BP/RC $3090 3595 3895 4995 5395 6995 8400 3525 4625 4675 5925 5599 6895 2290 3290 4178 3575 4575 4750 4800 149ra.85 ea 149ra.85 ro 79954975 54953475 39952575 49953295 74954525 52953575 44952875 47952875 52952875 Onocon 9 S nrn890490 Devoon 1 oz S mm1 98115JEMCO Deocon 25 00 5 mm379225American Eagle 50 Scale Mustang Scale P39 Gobra 625 DU-BRO Kmk Fril Fool Pores GOLDBERG Folcor 56 MK II Senior Falcon Skylark 56 MK II Skylane 42 Skyland 62 Ranger 42 ARF Goorle Lady Godberg Handi-Tote Goldberg Retract Trr-Gear HOT STUFF 2 Sopor Glue Yr oc Sopor T HOUSE OF BALSA /rA P510 Mostorrg Fiotnopol VrA Bonanza 40 Mostang MONOKOTE 6-foot Rogulor Golors Metallics 1095 5496 74-95 5695 1995 7495 3295 2495 1995 2495 1200 395 3325 4475 3376 1325 4525 1978 1595 1155 1525 675 230 34951975 59953275 34951975 69953925 990 1170 SON IC-TRON ICS Mark V Fool Ponrp MIDWEST Gessrra Gardinal ARF Attacker Lion Wire Gbaorp BUD ROSEN MODELS Aerooca Ghamp Grtabria Trainer Guadra 2 cc TOP FLITE Gontonder 60 Gonrender 40 Headmaster 40 SUREFLITE /rA Gob J-3 Skyland ARF Airacobra ARF 555J-3 Gob ARF 710Spitfire ARF MISER PLANS $300 order 5995 2695 4495 2195 2695 1795 3895 2795 2995 3195 41 95 3925 1675 2690 1425 1625 1125 2090 677 797 1917 2517 46952650 44952625 46952825 16951025 38952195 47952495 46952695 99956475 99956475 79955350 142958495 62953675 54953075 59953425 34953195 44952295 44952295 44952295 44952295 Handling charge $00000- $10000 Add $300 $10000 $20000 Add $400 Over $20000 Add $500 ADO $200 additional Quadra Nosen shipping Alaska Hawaii add $1 500 Air Excess refunded Money order checks No COD Credit Cards No phone orders accepted mail OFFER EXPIRES 6-30-81 Prices subject mfg increases Satisfaction always guaranteed INDIANA RESIDENTS AD 4010 SALES TAX live near hobby ShOP Varathane plastic paints work well fuel doesnrt bother finish plane finished coat Varathane clear satin finish paint Remaining details canopy wasnt glued earlier glue now after paint has dried Also mark canopy frame lines using marking pen Cut bend shape 1/16-in dia wire pushrod landing gearr wire skid Poke skid up through wing right fuselage side angle shown Glue its hole epoxy Install bellcrank pushrod elevator horn Strongly recommend use Carl Goldberg YzA nylon bellcrank horn set Flex elevator up down number times loosen up after painting pushrod bows too much applying up control bend pushrod guide out 1/16-in dia wire glue place Mine didnt need Attach wheels wire landing gear using glob 5-mm epoxy paper washer Mark position engine mount ing screws make screw holes use wood screws install engine Before tighten down slide landing gear wire tighten Now install lead-outs youre finished Flying tips types flying wind conditions recommend 35-ft wire lines 008-in dia takeoff avoid giving plane up-control since will rise off ground itself reaches flying speedbecause lifting airfoil engine stops will have long gentle landing glideprovided dont try keep climbing overly nervous trying fly just let bash ground time two Pick up dust off start engine try again CL Scale/Byron Continued page 53 other aircraft Bill competed F4U4 Corsair Super Scale drawings built approximately 1963 powered Torpedo 35 built 7g-in one-in scale Bramco throttle working lights working cowl flaps also scale arresting hook aircraft painted Aero Gloss paint weighed approximately 3 lbs Bill old-time modeler may able convince compete again skills quite obivous currently runs Bill Howards Hobby Shop Waterloo IA always happy discuss things old new alike find Bill very enjoyable person visit Anyone reading column also has older pictures still available please send would enjoy reminiscing addition looking what latest thing block will try use piece information get Finishing hints have experimenting new primer decrease finishing weight aircraft made up using Sig microballoons lightweight dope thinned Sig thinner has sprayed very easily does fill larger-grained woods aircraft primed filler would normally take eight hours sand out took hour 10 minutes completely sand ready clear dope. working well talcum powder does appear type primer will work place June1981 131
Edition: Model Aviation - 1981/06
Page Numbers: 50, 51, 52, 129, 130, 131
We first heard about interesting successful CL 1/2A trainer made corrugated cardboard Dope Bucket newsletter Utah State AeromodelersIt has good looks it amazingly sti Author decided paint decorate model after found out very strong long lasting take care put too much paint weight will penalize flight performance Planes name comes unusual combination squadron plane identification conjunction roundel REMEMBER being mood build new plane few years ago didnt have balsa necessary projects envisioned However did have nice big flat piece cardboard using work board few hours later no longer work board unpainted cardboard airplane using box construction high-wing monoplane designed wing glued last after balance point determined performance plane surprised capable consec utive loops stayed out well long lines windy conditions also long landing glide surprising its durability After year flying plane expendable aircraft situation such letting kids fly found cardboard airplanes dont break just get bent out shape Because bending out shape problem finally necessary junk plane developed severe deformity nose choose 50 Model Aviation Cub Scout den den leader planes builtas Cub Scout project Missing plane right chewed up bya largedog Shown left Stephen Larson Anthony Romero CoreyGearhart Kirk Robinson Barr Hill Kelly Mayhew Adam Olson put design test FULL-SIZE PLANS AVAILABLE . SEE PAGE 140 049 TO 09 ENGINE SIDE MOUNT CYLINDER AK MUSIC WIRETO AVOID DAMAGE LANDING GEAR -11-1/4 WHEELS PERFECT OR SIMILAR WEIGHT yR PLY POSTER PAPER FUGELAGEI/B I/I~5STTSM SKIN DOUBLER 1/9 PLY DOUBLERLEAS-OUT GUIDE F-IFRN SCRAP BALANCELEADRANGE 7 STYROFOAM CAROPY UGED TOILLCRANK MCLRTS PROTECT NEEDLE IGES VALVE LEAD-OUT2 BELLCRANI SUIGE CORRUGATION GRECTION__________ IF-2XWWE SISO VIE DIN MUSIC WIRE PUSHROD WIRE PUSHROS GUIDEFUSELAGE SIDE TEMPLATE f POSTER PAPER FUSELAGE SKINWIRE PUSHROD'7 __ BOTTOM OJIDE MA CONTRO /HCBRA________ ELEV HINGE CORRUGATION IL DIRECTION OPTIONAL TRIM LINE I/B PLY DOUBLER 12 REOI ALL CARDBOARD APPROXIMATELY I/B THICK r 1 CREASE CARDBOARDN USING U PZZA CUTTER THEN FOLD UP FD FUSELASE ASGEMBLY DETAIL WRAP EDOES WITH STRIPS WF-I OF GIWiNED POSTAL TAPE WING CONSTRUCTION DETAJL "CORRUGATION DIRECTION -WF-I WING TIP WEIGHTS --4.\ 3 PENNIES ALOES TO UNDERSIDE OF WING -- N WIRE SKID -F-D ELEV HINGE UNE CUT HALF-WAY THRU FROM THE BOTTOM CORRUGATION HINSEERECTION DETAIL WING DOUBLER/FUSELAGE MOUNT I/B CAWOBSARO 2 B CAR3BSARO FLP 8 DRAWN NV KIRK call accordian syndrome promptly decided build replacement wanted something looked like full-scale aircraft easier build must also have cardboard doublers strength en nose decided After some sketching paper came up basically present design soon built flew just well its predecessor About time became Cub Scout den leader plane put test After month den meetings boys soloed new plane also put flying demonstration pack let various people crowd try until ran out propellers Successful plane however season progressed became apparent card board doublers sufficient prevent accordian syndrome Also huny get plane finished clear-doped it kept lasting lastinglooking ugly whole time Next spring some minor modifications boys Cub Scout den busy building own cardboard planes bought bellcranks wheels wire using den funds donated paint After about two months den meetings planes finished Some boys saved up money buy own engines took out flying new planes looked great flew well better yet showed no signs developing annoying nose deformities after numerous crashes recent plane shown photos took longer paint make decals took build didnt want another plane last last looking ugly whole time As may have guessed pictures name comes choice squadron plane identification lettersin combination roundel summary simple plane can built very inexpensively materials part can found around house extremely durable almost never breaks crashes ends up cartwheeling wing over wing can hand-launched can take off same manner balsa wood planes capable consecutive loops inverted flight though somewhat diffi cult return upright flight inverted also has long gentle landing glide As trainer its strong point durability Also after applying controls plane rotates before starts either up down thus giving novice little time tothink Long40-ft lines canbeused June 1981 51 ages wing tail surfaces wrapped strips gummed postal tapemoisture adhesive variety Work short lengths aying u g template Note alignment fuselage top corrugation lines Width may vary prevent dizziness Its main drawbackas traineris lifting airfoil necessary wing strength really makes want climb beginners tend let get uncomfortably high initial takeoff climb Construction Start cutting out wing youll need good flat piece cardboard 28-in x 6-in size corrugations going lengthwise Measure mark wing shape cardboard using pencil cut out use razor blade razor knife cut out pieces i imperative blade very sharp beginning will dull time get through cutting Out pieces use razor blade apply pressure mainly pushing down fingernail first stroke line razor blade knife merely score surface Follow same path time after time cutting deeper time should take about five times before start cutting clear through cardboard try cut faster corrugations tend turn blade desired path Cuts angle corrugation lines harder cuts parallel perpendicular some cuts dont look good pull wing out cardboard piece dont worrynone cuts critical Hopefully youll pretty good time get fuselage Measure mark horizontal stabilizer elevator onto cardboard Again corruga tions must lengthwise Also elevator hinge-line top must exactly corruga tion line bottom will midway between two corrugation lines necessary elevator hinge work properly Cut out stabilizer elevator piece dont cut stabilizer elevator apart other Mark hinge line bottom should midway between two corrugation lines Cut halfway through cardboard along bottom hinge line Refer elevator hinge detail plans fin rudder piece marked onto cardboard cut out next might want trace template first trace outline onto cardboard using template hinge line left side looking tail nose should exactly corrugation line corrugations should straight up down other right side hinge line should midway between two corrugation lines alignment respect corrugation lines must adhered positioning template tracing cutting out piece try especially hard make cut along bottom fin exactly perpendicular surface fuselage next first step trace fuselage side template plan onto piece pf poster paper Use scissors cut out template Now refer fuselage assembly diagram Note top sides fuselage single piece top corners fuselage seen outside must exactly corrugation lines inside fuselage corners fold lines must midway between two corrugation lines width corrugations cardboard determines fuselage width Mine five corrugations wide size shown plans However cardboard has same corru gation width take note width fuselage may different Make sure big enough engine mount Trace fuselage side shape Onto card board lining up top flat part template along corrugation line Using pencil ruler extend front line perpendicular corru gation lines three inches past fuselage top line Along line measure fuselage top line corrugation line nearest desired fuselage width Now top flat side template lined up along corrugation line extended front line trace out shape other side fuselage Use ruler pencil connect two tail end lines together Cut out fuselage piece Take extra care ensure cuts perpendicular surface Turn over fuselage piece mark inside corner lines should midway between two corrugation lines Using pizza cutter make indentation along both inside corner lines have push somewhat hard two sides will now fold upwards giving basic fuselage structure two sides folded up vertically measure inside width fuselage -in down inside fuselage top measurement will width WF-l F-i F-2 pieces width differs what shown plan mark correction plans Trace plywood doubler shape onto plywood will need two Cut out doublers glue onto inside fuselage white glue Refer fuselage assembly diagram correct placement should line up front bottom fuselage drying wrap edges wing stabilizer elevator fin rudder use gummed postal tape kind moisten stick comes rolls about two inches wide cut down middle get two I-in strips about right work Start stab elevator piece works best wrap ends first front back First mark length end stab Continued page 129 52 Model Aviation pizza cutter handy crease fuselage folded Final assembly progress Formers glued fuselage wing/fuselage Note plywood doublers nose section already place mounting key glued wing fin/rudderfold marked notyet creased pieces cut out edges taped required folds already creasedready final sembly Scrap ordinary corrugated cardboard about -in thickness principal material ____ Specifications lrIflYSpan 86 in-~— Weight 12 Engine 91 Cline drive unit 1 Seperate detachable presheeted wing panels 2 Preassembiled fuselage frame eassembiled stabilizer elevators vertical fin rudder 1h 4 Epoxy Glass cowl wheelpants 5 Formed hatch clear canopy 6 Aluminum landing gear 554 E Frootoee St Brownsviie TX 78520 DEALER & OSTRIRUTOR iOUgReS NMThD 512 541-3867 Wayne Ulerys outstanding design Leo Loudenslagers Laser 200 geared 90 offered Model Merchant nearly constructed model critical fuselage & control surfaces framing wing sheeting has done Just some finish up ready fly best available Features machines taping up cheek cowl fits fuselage also playing aspect ratio wing course trying different props way lady name Judy Wagoner won race flying plane called Wagoner Solution report did NMPRA Cham pionship Race held Titusville FL failed mention sponsoring club Moonport Modelers CD Mr Roy Johanse Sorry about See next month Bill Hager 706 Glen Haven Dr Con roe TX 77302 RC Helicopters/Chesney Continued page 49 expected highly recommended another expert flier point hobbyist am position test modification design must rely designers test some cases impressions fellow fliers case May column before make choices beginning RC Helicopters still recommend did first column three years ago unless recommended man ufacturer local flier willing help new machine modifications should avoided until flying skills developed have flown RC years loved experiment differential flaps reducing wingspans stabilizer areas making tail dragger years best tricycle gear Pattern ship Ill continue pass modifications hear Im looking forward some great flying weather See field Dave Chesney RL 9 Box 621-A Greensboro NC 27409 FLOP/Robinson Continued page 52 elevator onto end postal tape roll Now cut length straight across scis sors Cut down middle strip splitting piece half should now have correct length 1-in tape end stabilizer elevator piece possible try cut Out pairs strips like since saves measuring time Take strip gummed tape fold half lengthwise makes easier fold around edge have work fast before gummed surface dries Now take strips get ends stab elevator ready front moisten strip get really wet Quickly stick strip lining edge up fold quickly fold bottom around edge stick down Rub both sides firmly ensure whole length nicely adhered Stick other strip other end piece same manner now go through same procedure leading edges stabilizer After done trailing edge elevator use pair strips slight overlap because its too hard work very long strips Now wrap edges fin rudder except bottom edge fin glues onto stab inside fuselage Now wrap edges wing havent having much trouble long MODELMAN IA LISTMM FITABA N s/S21 SERVIS3999518399 FITABA 4FN sf521 SERIIS2799515799 FlEAS 51K sf526 SERVIS dual rate2999511199 IIATRONICS 6-IL3299522099 AIRORINICs 4-IL2799518499 FIX 99 R/G EAGLE Mt-I carl29954499 FIX 4510 R/C Mt-I carl71954499 FIX 4888 A/C MK-I caib71954499 OS 6TFSR 8/C s/muff1599518499 KiD 61 s/perry pamp mull125996099 618 61 s/miff99585599 698 48 s/muff 6/C82514749 881511FF 2 Suprr-T Regular1299629 GILDIERG 2 aa Super let1295749 88/I saud prsfw ONCER ar Ti mapleIfar 549 11 wad es lINGER IF mapleIfar 649 Preps saId ef rise brard prlcf24mu/riue ItUCIN S mir Epoxy 9 so099579 GMP 6 mrr Epaxy TO at795499 OMP 6 mir Epoxy 11 ar1095199 818880 INCIDENT METER w/learl19151399 CINCEPT 1/4 rule FLEET BIPE1799515199 T/T6e99 Dridr Kwik-sIr& Sold Red2212/ 299 3/e99 Silum Ydlow Oargt Blue2952/ 399 1/DeDI Black ard WhIr Sizer3202/ 449 T/4e31 Available ir crlart3952/ 549 61919 PillS BUY OIANTITY SAVEI ar 12SAME SIZE 618 8/C Irrg/rlort haT 199 @6/ 19512/ 1299 KID SOD long/rhort 135 @6/ 49512/ 949 FII 8/C Isrg/slsrt [itt T49 @6/ 54912/ 1149 ElI STO Iseg/slorf List 99c @1/ 39912/ 749 610 BEE 15/iL [itT 295 @6/ 189512/ 2149 619 BEE 35/3L LisT 275 @6/ 114912/ 2149 SEND ALL IRIERS 790INIIIIIES 002 MIDELMANI PO811171ROCKAWAY P99K8711684 ALE PRICES SUBJECT TO CHANGE OFFER 5000 TIL 1519 OF THIS MONTH UNLESS CURRENT SIPPLIES ARE EIHAISTEO 101 SPECIALS-LIST FREE WITH IROEIS Sr serd SASE ard 9199 relsadallr otter FREE fREE - GIFT WITH ALL IRDEOS FREE FREE ORDERING INFORMATION SORRY NI CDI prices reclude 5% cash discaurt Mrr arder 511 Matter/Vita accepted ysu mast add 5% buck Istal rrcludr card r rapiratiar date Shippirg/hasdlrrg 1999 Ia 2100 aId 2992001 3099 add 325 3001 Ia 4099 add 499 4101 1199 add 475 1101 ta 9900 add 575 suer 8099 add 5% maximum rI 750 ard 15 lbs. OVERSIZEO Bares add S595 Out sI cart US add 15% talal fsr shipprag manes mutt Sr US carrercy ALL SALES ARE FINAL Atlas time Tar perroral check clrar NY reurdents must add applrcable sores tar laclade SASE ttr irgairios Specify sire cslsr ard type ever requrred 90 PREPARED IN MARCH 25 T991 June 1981 129 SOUTHERN RIC FLIES AGAIN! // Model Merchant IS Southern RIC . Keeping alive top line RIG aircraft Currently being offered COMPENSATOR- 60BOOTLEGGER- 60 TIGER TAIL III- 60ALLEY KAT- 40 Spoil EZ FLIER- 40 Trainer Order Direct MODEL MERCHANT 512 541-3867 554 E Fronton St Brownsville TX 78520 DEALER & I20STRIBUTOR INOUiRIES INVITEDJ Americas first practical airplane 61 span model re flects arrangement Wilburs last public flight around New York Harbor 1909 canoe lashed skid frame emer gency flotation unique kit provides builder machining hard ware chain drive functional radiator water-cooled engine free-wheeling left- righi-hand scale hardwood propeller blanks fuel tank muffler Kit also contains wood metal vacuum-formed parts create exact dimen sion replica Also included wingbuilding form Wil bur rolled plans suitable hang ing written instructions plans scale take-off track derrick George Marsden 7621 Mary Cassatt Drive Potomac Maryland 20854 AT LAST Hard Break Fibre-Filled Prop Size 10/6 Introductory Offer 6 495 12 900 24for 1600 Postage paidClub Discounts Avail Send check money order pieces can leading trailing edges four pieces slight overlap Remember wing tips before doing leading trailing edges None edges fuselage wrapped finish wing youre done procedure Before starting next step however check wrapped edges see have become loose have cut loose area open razor blade glue tape back down white glue Measure mark cut Out cardboard fuselage formers F-i F-2 wing/fuse lage mounting key WF-1 sure width pieces same inside width measured earlier fuselage Also note corrugation direction pieces width-wise Fold fuselage shape glue place two fuselage formers white glue Hold together dries using rubberbands clamps Before glue gets completely dry examine front back fuselage make adjustments necessary make corners perfectly square Also note front former recessed -in below wing cutout make room wing/fuselage mounting key WF-l Now carefully bend wing fit wing cutout fuselage may inadvertently end up some wrinkles bottom wing isnt problem point make sure wing/fuselage mounting key WF- 1 fits inside wing cutout may necessary sand down bit sanding block Mark lengthwise center line top WF-1 piece chord-wise center line top wing Glue WF- 1 piece onto top wing using center lines alignment Note piece lines up flush leading edge lacks -in reaching tip trailing edge drying mark fin/rudder hinge line right side looking back plane front fin rudder piece line should midway between two corru gation lines Using pizza cutter make indentation along line Now carefully bend rudder right angle shown plan top view also detail need take care stabilizer elevator piece Turn upside down using razor blade knife cut through edge-wrapping bottom sur face extend hinge-line cut end elevator other end same way Now take medium-dull pencil run up down elevator hinge cut enlarge bit should now able bend elevator up down quite easily Measure mark rudder slot fuselage Cut front end slot sticking tip razor knife blade through cut sides slot scissors Now examine stabilizer cutout fuselage fuselage sides dont fit flat tight onto stabilizer true up sanding block file Glue wing onto fuselage white glue Lay fuselage upside down put weights center wing hold firmly place dries Also glue stab onto fuselage Since fuselage upside down side stab elevator can see bottom side hinge cut make sure have right wing stabilizer glue joints dry pick up plane turn over Glue fin rudder again using white glue glued slot down against stabilizer Trace shape front fuselage onto plywood cut out Glue piece firewall onto front fuselage using 5mm epoxy Hold clamp place until hardens Hold poster paper up against fuselage bottom trace shape two fuselage bottom pieces sure mark length also Notice overlap little onto wing front piece onto stabilizer back piece Cut pieces out scissors glue Onto bottom fuselage Also measure cut small rectangular pieces poster paper fill hole either side fin glue place Cut some strips postal tape wrap around corners fuselage sides F-2 former plane needs canopy protect needle valve sticks up above top fuselage Dont try kid yourself plane will never crash position consider styrofoam canopy too much work just trace cut out two four side-view pieces canopy cardboard glue laminate together piece poster paper should glued over top canopy can glued fuselage make canopy out styrofoam trace side view onto styrofoam cut hot-wire coping saw measure mark center line along top foam piece trace top view shape canopy onto bottom Gently shape file coarse sandpaper block final shaping should done gently medium grit sandpaper plane painted paints attack foam canopy should now glued white glue Otherwise glued after painting complete using silicone sealer type glue some other glue will stick both foam paint attacking foam Alternately could leave spot canopy goes unpainted glue later white glue Trace bellcrank mount shape onto wood cut out Make hole bellcranks wood screw glue mount onto top left wing position shown plan Measure ensure correct positioning Make lead-out guide flying lines popsicle stick similar piece scrap Glue place top end left wing shown plan Again sure measure correct placement Painting tips use dope did will need two coats clear dope three coats postal tape edge-wrapping before color paint Sand fine sandpaper between coats use polyurethane paint might just well start color will probably take three coatssanding between coats dont 130 Model Aviation Plans $3000 $19500 plus shIpping Standard Type I1K1Vt BLAINEWANTSTOGIVE ITAWAY FREE BUT HISACCOUNTANTSAYS NO! CHECK THESE PRICESBECAUSE HE ALMOST SUCCEEDED! X-ACTO #11 Blades 5 PK RetailBP&RC 89 55 HB ENGINES RIC w/muRler HB ENGINESRETAIL 15 R/C on/orsifler$ 5085 20 RIG m/nrsfflor5895 25 RIG m/nrsffler6572 40 R/G8200 50 R/G8995 61 R/G11995 61 R/G POP 9913775 ALL OTHER NB ENGINES AT 35% 0FF. K&B ENGINES 19R/G Series 716500 21R/G 35cc re/moldIer8500 40R/G re/moldIer8250 40R/G re/poomp11000 61R/G re/moldIer9950 61R/G re/psrrrp12500 ALL OTHER K&8 ENGINES 35% 0FF FOX ENGINES 36R/G Standard4495 40Slandord MK-X6495 4069 R/G MK-X Garb7995 45R/G MK-X Garb8495 4589 R/G MK-X Garb7995 60Eagle MK-X Garb7995 6098 Horek 6 only8495 ALL OTHER FOX ENGINES AT 35% 0FF R/G Short Floes R/G Long Flogs Aitoenics Aquila Airtrenicu Olynrpic II ANOREWS H-RAY Aodreres Brg H-Ray Andrews Sporrmaster Andrews Trainermaster Andrems A-Ray Aodromo Qoick Roy Andrems X-Ray BP/RC $3090 3595 3895 4995 5395 6995 8400 3525 4625 4675 5925 5599 6895 2290 3290 4178 3575 4575 4750 4800 149ra.85 ea 149ra.85 ro 79954975 54953475 39952575 49953295 74954525 52953575 44952875 47952875 52952875 Onocon 9 S nrn890490 Devoon 1 oz S mm1 98115JEMCO Deocon 25 00 5 mm379225American Eagle 50 Scale Mustang Scale P39 Gobra 625 DU-BRO Kmk Fril Fool Pores GOLDBERG Folcor 56 MK II Senior Falcon Skylark 56 MK II Skylane 42 Skyland 62 Ranger 42 ARF Goorle Lady Godberg Handi-Tote Goldberg Retract Trr-Gear HOT STUFF 2 Sopor Glue Yr oc Sopor T HOUSE OF BALSA /rA P510 Mostorrg Fiotnopol VrA Bonanza 40 Mostang MONOKOTE 6-foot Rogulor Golors Metallics 1095 5496 74-95 5695 1995 7495 3295 2495 1995 2495 1200 395 3325 4475 3376 1325 4525 1978 1595 1155 1525 675 230 34951975 59953275 34951975 69953925 990 1170 SON IC-TRON ICS Mark V Fool Ponrp MIDWEST Gessrra Gardinal ARF Attacker Lion Wire Gbaorp BUD ROSEN MODELS Aerooca Ghamp Grtabria Trainer Guadra 2 cc TOP FLITE Gontonder 60 Gonrender 40 Headmaster 40 SUREFLITE /rA Gob J-3 Skyland ARF Airacobra ARF 555J-3 Gob ARF 710Spitfire ARF MISER PLANS $300 order 5995 2695 4495 2195 2695 1795 3895 2795 2995 3195 41 95 3925 1675 2690 1425 1625 1125 2090 677 797 1917 2517 46952650 44952625 46952825 16951025 38952195 47952495 46952695 99956475 99956475 79955350 142958495 62953675 54953075 59953425 34953195 44952295 44952295 44952295 44952295 Handling charge $00000- $10000 Add $300 $10000 $20000 Add $400 Over $20000 Add $500 ADO $200 additional Quadra Nosen shipping Alaska Hawaii add $1 500 Air Excess refunded Money order checks No COD Credit Cards No phone orders accepted mail OFFER EXPIRES 6-30-81 Prices subject mfg increases Satisfaction always guaranteed INDIANA RESIDENTS AD 4010 SALES TAX live near hobby ShOP Varathane plastic paints work well fuel doesnrt bother finish plane finished coat Varathane clear satin finish paint Remaining details canopy wasnt glued earlier glue now after paint has dried Also mark canopy frame lines using marking pen Cut bend shape 1/16-in dia wire pushrod landing gearr wire skid Poke skid up through wing right fuselage side angle shown Glue its hole epoxy Install bellcrank pushrod elevator horn Strongly recommend use Carl Goldberg YzA nylon bellcrank horn set Flex elevator up down number times loosen up after painting pushrod bows too much applying up control bend pushrod guide out 1/16-in dia wire glue place Mine didnt need Attach wheels wire landing gear using glob 5-mm epoxy paper washer Mark position engine mount ing screws make screw holes use wood screws install engine Before tighten down slide landing gear wire tighten Now install lead-outs youre finished Flying tips types flying wind conditions recommend 35-ft wire lines 008-in dia takeoff avoid giving plane up-control since will rise off ground itself reaches flying speedbecause lifting airfoil engine stops will have long gentle landing glideprovided dont try keep climbing overly nervous trying fly just let bash ground time two Pick up dust off start engine try again CL Scale/Byron Continued page 53 other aircraft Bill competed F4U4 Corsair Super Scale drawings built approximately 1963 powered Torpedo 35 built 7g-in one-in scale Bramco throttle working lights working cowl flaps also scale arresting hook aircraft painted Aero Gloss paint weighed approximately 3 lbs Bill old-time modeler may able convince compete again skills quite obivous currently runs Bill Howards Hobby Shop Waterloo IA always happy discuss things old new alike find Bill very enjoyable person visit Anyone reading column also has older pictures still available please send would enjoy reminiscing addition looking what latest thing block will try use piece information get Finishing hints have experimenting new primer decrease finishing weight aircraft made up using Sig microballoons lightweight dope thinned Sig thinner has sprayed very easily does fill larger-grained woods aircraft primed filler would normally take eight hours sand out took hour 10 minutes completely sand ready clear dope. working well talcum powder does appear type primer will work place June1981 131
Edition: Model Aviation - 1981/06
Page Numbers: 50, 51, 52, 129, 130, 131
We first heard about interesting successful CL 1/2A trainer made corrugated cardboard Dope Bucket newsletter Utah State AeromodelersIt has good looks it amazingly sti Author decided paint decorate model after found out very strong long lasting take care put too much paint weight will penalize flight performance Planes name comes unusual combination squadron plane identification conjunction roundel REMEMBER being mood build new plane few years ago didnt have balsa necessary projects envisioned However did have nice big flat piece cardboard using work board few hours later no longer work board unpainted cardboard airplane using box construction high-wing monoplane designed wing glued last after balance point determined performance plane surprised capable consec utive loops stayed out well long lines windy conditions also long landing glide surprising its durability After year flying plane expendable aircraft situation such letting kids fly found cardboard airplanes dont break just get bent out shape Because bending out shape problem finally necessary junk plane developed severe deformity nose choose 50 Model Aviation Cub Scout den den leader planes builtas Cub Scout project Missing plane right chewed up bya largedog Shown left Stephen Larson Anthony Romero CoreyGearhart Kirk Robinson Barr Hill Kelly Mayhew Adam Olson put design test FULL-SIZE PLANS AVAILABLE . SEE PAGE 140 049 TO 09 ENGINE SIDE MOUNT CYLINDER AK MUSIC WIRETO AVOID DAMAGE LANDING GEAR -11-1/4 WHEELS PERFECT OR SIMILAR WEIGHT yR PLY POSTER PAPER FUGELAGEI/B I/I~5STTSM SKIN DOUBLER 1/9 PLY DOUBLERLEAS-OUT GUIDE F-IFRN SCRAP BALANCELEADRANGE 7 STYROFOAM CAROPY UGED TOILLCRANK MCLRTS PROTECT NEEDLE IGES VALVE LEAD-OUT2 BELLCRANI SUIGE CORRUGATION GRECTION__________ IF-2XWWE SISO VIE DIN MUSIC WIRE PUSHROD WIRE PUSHROS GUIDEFUSELAGE SIDE TEMPLATE f POSTER PAPER FUSELAGE SKINWIRE PUSHROD'7 __ BOTTOM OJIDE MA CONTRO /HCBRA________ ELEV HINGE CORRUGATION IL DIRECTION OPTIONAL TRIM LINE I/B PLY DOUBLER 12 REOI ALL CARDBOARD APPROXIMATELY I/B THICK r 1 CREASE CARDBOARDN USING U PZZA CUTTER THEN FOLD UP FD FUSELASE ASGEMBLY DETAIL WRAP EDOES WITH STRIPS WF-I OF GIWiNED POSTAL TAPE WING CONSTRUCTION DETAJL "CORRUGATION DIRECTION -WF-I WING TIP WEIGHTS --4.\ 3 PENNIES ALOES TO UNDERSIDE OF WING -- N WIRE SKID -F-D ELEV HINGE UNE CUT HALF-WAY THRU FROM THE BOTTOM CORRUGATION HINSEERECTION DETAIL WING DOUBLER/FUSELAGE MOUNT I/B CAWOBSARO 2 B CAR3BSARO FLP 8 DRAWN NV KIRK call accordian syndrome promptly decided build replacement wanted something looked like full-scale aircraft easier build must also have cardboard doublers strength en nose decided After some sketching paper came up basically present design soon built flew just well its predecessor About time became Cub Scout den leader plane put test After month den meetings boys soloed new plane also put flying demonstration pack let various people crowd try until ran out propellers Successful plane however season progressed became apparent card board doublers sufficient prevent accordian syndrome Also huny get plane finished clear-doped it kept lasting lastinglooking ugly whole time Next spring some minor modifications boys Cub Scout den busy building own cardboard planes bought bellcranks wheels wire using den funds donated paint After about two months den meetings planes finished Some boys saved up money buy own engines took out flying new planes looked great flew well better yet showed no signs developing annoying nose deformities after numerous crashes recent plane shown photos took longer paint make decals took build didnt want another plane last last looking ugly whole time As may have guessed pictures name comes choice squadron plane identification lettersin combination roundel summary simple plane can built very inexpensively materials part can found around house extremely durable almost never breaks crashes ends up cartwheeling wing over wing can hand-launched can take off same manner balsa wood planes capable consecutive loops inverted flight though somewhat diffi cult return upright flight inverted also has long gentle landing glide As trainer its strong point durability Also after applying controls plane rotates before starts either up down thus giving novice little time tothink Long40-ft lines canbeused June 1981 51 ages wing tail surfaces wrapped strips gummed postal tapemoisture adhesive variety Work short lengths aying u g template Note alignment fuselage top corrugation lines Width may vary prevent dizziness Its main drawbackas traineris lifting airfoil necessary wing strength really makes want climb beginners tend let get uncomfortably high initial takeoff climb Construction Start cutting out wing youll need good flat piece cardboard 28-in x 6-in size corrugations going lengthwise Measure mark wing shape cardboard using pencil cut out use razor blade razor knife cut out pieces i imperative blade very sharp beginning will dull time get through cutting Out pieces use razor blade apply pressure mainly pushing down fingernail first stroke line razor blade knife merely score surface Follow same path time after time cutting deeper time should take about five times before start cutting clear through cardboard try cut faster corrugations tend turn blade desired path Cuts angle corrugation lines harder cuts parallel perpendicular some cuts dont look good pull wing out cardboard piece dont worrynone cuts critical Hopefully youll pretty good time get fuselage Measure mark horizontal stabilizer elevator onto cardboard Again corruga tions must lengthwise Also elevator hinge-line top must exactly corruga tion line bottom will midway between two corrugation lines necessary elevator hinge work properly Cut out stabilizer elevator piece dont cut stabilizer elevator apart other Mark hinge line bottom should midway between two corrugation lines Cut halfway through cardboard along bottom hinge line Refer elevator hinge detail plans fin rudder piece marked onto cardboard cut out next might want trace template first trace outline onto cardboard using template hinge line left side looking tail nose should exactly corrugation line corrugations should straight up down other right side hinge line should midway between two corrugation lines alignment respect corrugation lines must adhered positioning template tracing cutting out piece try especially hard make cut along bottom fin exactly perpendicular surface fuselage next first step trace fuselage side template plan onto piece pf poster paper Use scissors cut out template Now refer fuselage assembly diagram Note top sides fuselage single piece top corners fuselage seen outside must exactly corrugation lines inside fuselage corners fold lines must midway between two corrugation lines width corrugations cardboard determines fuselage width Mine five corrugations wide size shown plans However cardboard has same corru gation width take note width fuselage may different Make sure big enough engine mount Trace fuselage side shape Onto card board lining up top flat part template along corrugation line Using pencil ruler extend front line perpendicular corru gation lines three inches past fuselage top line Along line measure fuselage top line corrugation line nearest desired fuselage width Now top flat side template lined up along corrugation line extended front line trace out shape other side fuselage Use ruler pencil connect two tail end lines together Cut out fuselage piece Take extra care ensure cuts perpendicular surface Turn over fuselage piece mark inside corner lines should midway between two corrugation lines Using pizza cutter make indentation along both inside corner lines have push somewhat hard two sides will now fold upwards giving basic fuselage structure two sides folded up vertically measure inside width fuselage -in down inside fuselage top measurement will width WF-l F-i F-2 pieces width differs what shown plan mark correction plans Trace plywood doubler shape onto plywood will need two Cut out doublers glue onto inside fuselage white glue Refer fuselage assembly diagram correct placement should line up front bottom fuselage drying wrap edges wing stabilizer elevator fin rudder use gummed postal tape kind moisten stick comes rolls about two inches wide cut down middle get two I-in strips about right work Start stab elevator piece works best wrap ends first front back First mark length end stab Continued page 129 52 Model Aviation pizza cutter handy crease fuselage folded Final assembly progress Formers glued fuselage wing/fuselage Note plywood doublers nose section already place mounting key glued wing fin/rudderfold marked notyet creased pieces cut out edges taped required folds already creasedready final sembly Scrap ordinary corrugated cardboard about -in thickness principal material ____ Specifications lrIflYSpan 86 in-~— Weight 12 Engine 91 Cline drive unit 1 Seperate detachable presheeted wing panels 2 Preassembiled fuselage frame eassembiled stabilizer elevators vertical fin rudder 1h 4 Epoxy Glass cowl wheelpants 5 Formed hatch clear canopy 6 Aluminum landing gear 554 E Frootoee St Brownsviie TX 78520 DEALER & OSTRIRUTOR iOUgReS NMThD 512 541-3867 Wayne Ulerys outstanding design Leo Loudenslagers Laser 200 geared 90 offered Model Merchant nearly constructed model critical fuselage & control surfaces framing wing sheeting has done Just some finish up ready fly best available Features machines taping up cheek cowl fits fuselage also playing aspect ratio wing course trying different props way lady name Judy Wagoner won race flying plane called Wagoner Solution report did NMPRA Cham pionship Race held Titusville FL failed mention sponsoring club Moonport Modelers CD Mr Roy Johanse Sorry about See next month Bill Hager 706 Glen Haven Dr Con roe TX 77302 RC Helicopters/Chesney Continued page 49 expected highly recommended another expert flier point hobbyist am position test modification design must rely designers test some cases impressions fellow fliers case May column before make choices beginning RC Helicopters still recommend did first column three years ago unless recommended man ufacturer local flier willing help new machine modifications should avoided until flying skills developed have flown RC years loved experiment differential flaps reducing wingspans stabilizer areas making tail dragger years best tricycle gear Pattern ship Ill continue pass modifications hear Im looking forward some great flying weather See field Dave Chesney RL 9 Box 621-A Greensboro NC 27409 FLOP/Robinson Continued page 52 elevator onto end postal tape roll Now cut length straight across scis sors Cut down middle strip splitting piece half should now have correct length 1-in tape end stabilizer elevator piece possible try cut Out pairs strips like since saves measuring time Take strip gummed tape fold half lengthwise makes easier fold around edge have work fast before gummed surface dries Now take strips get ends stab elevator ready front moisten strip get really wet Quickly stick strip lining edge up fold quickly fold bottom around edge stick down Rub both sides firmly ensure whole length nicely adhered Stick other strip other end piece same manner now go through same procedure leading edges stabilizer After done trailing edge elevator use pair strips slight overlap because its too hard work very long strips Now wrap edges fin rudder except bottom edge fin glues onto stab inside fuselage Now wrap edges wing havent having much trouble long MODELMAN IA LISTMM FITABA N s/S21 SERVIS3999518399 FITABA 4FN sf521 SERIIS2799515799 FlEAS 51K sf526 SERVIS dual rate2999511199 IIATRONICS 6-IL3299522099 AIRORINICs 4-IL2799518499 FIX 99 R/G EAGLE Mt-I carl29954499 FIX 4510 R/C Mt-I carl71954499 FIX 4888 A/C MK-I caib71954499 OS 6TFSR 8/C s/muff1599518499 KiD 61 s/perry pamp mull125996099 618 61 s/miff99585599 698 48 s/muff 6/C82514749 881511FF 2 Suprr-T Regular1299629 GILDIERG 2 aa Super let1295749 88/I saud prsfw ONCER ar Ti mapleIfar 549 11 wad es lINGER IF mapleIfar 649 Preps saId ef rise brard prlcf24mu/riue ItUCIN S mir Epoxy 9 so099579 GMP 6 mrr Epaxy TO at795499 OMP 6 mir Epoxy 11 ar1095199 818880 INCIDENT METER w/learl19151399 CINCEPT 1/4 rule FLEET BIPE1799515199 T/T6e99 Dridr Kwik-sIr& Sold Red2212/ 299 3/e99 Silum Ydlow Oargt Blue2952/ 399 1/DeDI Black ard WhIr Sizer3202/ 449 T/4e31 Available ir crlart3952/ 549 61919 PillS BUY OIANTITY SAVEI ar 12SAME SIZE 618 8/C Irrg/rlort haT 199 @6/ 19512/ 1299 KID SOD long/rhort 135 @6/ 49512/ 949 FII 8/C Isrg/slsrt [itt T49 @6/ 54912/ 1149 ElI STO Iseg/slorf List 99c @1/ 39912/ 749 610 BEE 15/iL [itT 295 @6/ 189512/ 2149 619 BEE 35/3L LisT 275 @6/ 114912/ 2149 SEND ALL IRIERS 790INIIIIIES 002 MIDELMANI PO811171ROCKAWAY P99K8711684 ALE PRICES SUBJECT TO CHANGE OFFER 5000 TIL 1519 OF THIS MONTH UNLESS CURRENT SIPPLIES ARE EIHAISTEO 101 SPECIALS-LIST FREE WITH IROEIS Sr serd SASE ard 9199 relsadallr otter FREE fREE - GIFT WITH ALL IRDEOS FREE FREE ORDERING INFORMATION SORRY NI CDI prices reclude 5% cash discaurt Mrr arder 511 Matter/Vita accepted ysu mast add 5% buck Istal rrcludr card r rapiratiar date Shippirg/hasdlrrg 1999 Ia 2100 aId 2992001 3099 add 325 3001 Ia 4099 add 499 4101 1199 add 475 1101 ta 9900 add 575 suer 8099 add 5% maximum rI 750 ard 15 lbs. OVERSIZEO Bares add S595 Out sI cart US add 15% talal fsr shipprag manes mutt Sr US carrercy ALL SALES ARE FINAL Atlas time Tar perroral check clrar NY reurdents must add applrcable sores tar laclade SASE ttr irgairios Specify sire cslsr ard type ever requrred 90 PREPARED IN MARCH 25 T991 June 1981 129 SOUTHERN RIC FLIES AGAIN! // Model Merchant IS Southern RIC . Keeping alive top line RIG aircraft Currently being offered COMPENSATOR- 60BOOTLEGGER- 60 TIGER TAIL III- 60ALLEY KAT- 40 Spoil EZ FLIER- 40 Trainer Order Direct MODEL MERCHANT 512 541-3867 554 E Fronton St Brownsville TX 78520 DEALER & I20STRIBUTOR INOUiRIES INVITEDJ Americas first practical airplane 61 span model re flects arrangement Wilburs last public flight around New York Harbor 1909 canoe lashed skid frame emer gency flotation unique kit provides builder machining hard ware chain drive functional radiator water-cooled engine free-wheeling left- righi-hand scale hardwood propeller blanks fuel tank muffler Kit also contains wood metal vacuum-formed parts create exact dimen sion replica Also included wingbuilding form Wil bur rolled plans suitable hang ing written instructions plans scale take-off track derrick George Marsden 7621 Mary Cassatt Drive Potomac Maryland 20854 AT LAST Hard Break Fibre-Filled Prop Size 10/6 Introductory Offer 6 495 12 900 24for 1600 Postage paidClub Discounts Avail Send check money order pieces can leading trailing edges four pieces slight overlap Remember wing tips before doing leading trailing edges None edges fuselage wrapped finish wing youre done procedure Before starting next step however check wrapped edges see have become loose have cut loose area open razor blade glue tape back down white glue Measure mark cut Out cardboard fuselage formers F-i F-2 wing/fuse lage mounting key WF-1 sure width pieces same inside width measured earlier fuselage Also note corrugation direction pieces width-wise Fold fuselage shape glue place two fuselage formers white glue Hold together dries using rubberbands clamps Before glue gets completely dry examine front back fuselage make adjustments necessary make corners perfectly square Also note front former recessed -in below wing cutout make room wing/fuselage mounting key WF-l Now carefully bend wing fit wing cutout fuselage may inadvertently end up some wrinkles bottom wing isnt problem point make sure wing/fuselage mounting key WF- 1 fits inside wing cutout may necessary sand down bit sanding block Mark lengthwise center line top WF-1 piece chord-wise center line top wing Glue WF- 1 piece onto top wing using center lines alignment Note piece lines up flush leading edge lacks -in reaching tip trailing edge drying mark fin/rudder hinge line right side looking back plane front fin rudder piece line should midway between two corru gation lines Using pizza cutter make indentation along line Now carefully bend rudder right angle shown plan top view also detail need take care stabilizer elevator piece Turn upside down using razor blade knife cut through edge-wrapping bottom sur face extend hinge-line cut end elevator other end same way Now take medium-dull pencil run up down elevator hinge cut enlarge bit should now able bend elevator up down quite easily Measure mark rudder slot fuselage Cut front end slot sticking tip razor knife blade through cut sides slot scissors Now examine stabilizer cutout fuselage fuselage sides dont fit flat tight onto stabilizer true up sanding block file Glue wing onto fuselage white glue Lay fuselage upside down put weights center wing hold firmly place dries Also glue stab onto fuselage Since fuselage upside down side stab elevator can see bottom side hinge cut make sure have right wing stabilizer glue joints dry pick up plane turn over Glue fin rudder again using white glue glued slot down against stabilizer Trace shape front fuselage onto plywood cut out Glue piece firewall onto front fuselage using 5mm epoxy Hold clamp place until hardens Hold poster paper up against fuselage bottom trace shape two fuselage bottom pieces sure mark length also Notice overlap little onto wing front piece onto stabilizer back piece Cut pieces out scissors glue Onto bottom fuselage Also measure cut small rectangular pieces poster paper fill hole either side fin glue place Cut some strips postal tape wrap around corners fuselage sides F-2 former plane needs canopy protect needle valve sticks up above top fuselage Dont try kid yourself plane will never crash position consider styrofoam canopy too much work just trace cut out two four side-view pieces canopy cardboard glue laminate together piece poster paper should glued over top canopy can glued fuselage make canopy out styrofoam trace side view onto styrofoam cut hot-wire coping saw measure mark center line along top foam piece trace top view shape canopy onto bottom Gently shape file coarse sandpaper block final shaping should done gently medium grit sandpaper plane painted paints attack foam canopy should now glued white glue Otherwise glued after painting complete using silicone sealer type glue some other glue will stick both foam paint attacking foam Alternately could leave spot canopy goes unpainted glue later white glue Trace bellcrank mount shape onto wood cut out Make hole bellcranks wood screw glue mount onto top left wing position shown plan Measure ensure correct positioning Make lead-out guide flying lines popsicle stick similar piece scrap Glue place top end left wing shown plan Again sure measure correct placement Painting tips use dope did will need two coats clear dope three coats postal tape edge-wrapping before color paint Sand fine sandpaper between coats use polyurethane paint might just well start color will probably take three coatssanding between coats dont 130 Model Aviation Plans $3000 $19500 plus shIpping Standard Type I1K1Vt BLAINEWANTSTOGIVE ITAWAY FREE BUT HISACCOUNTANTSAYS NO! CHECK THESE PRICESBECAUSE HE ALMOST SUCCEEDED! X-ACTO #11 Blades 5 PK RetailBP&RC 89 55 HB ENGINES RIC w/muRler HB ENGINESRETAIL 15 R/C on/orsifler$ 5085 20 RIG m/nrsfflor5895 25 RIG m/nrsffler6572 40 R/G8200 50 R/G8995 61 R/G11995 61 R/G POP 9913775 ALL OTHER NB ENGINES AT 35% 0FF. K&B ENGINES 19R/G Series 716500 21R/G 35cc re/moldIer8500 40R/G re/moldIer8250 40R/G re/poomp11000 61R/G re/moldIer9950 61R/G re/psrrrp12500 ALL OTHER K&8 ENGINES 35% 0FF FOX ENGINES 36R/G Standard4495 40Slandord MK-X6495 4069 R/G MK-X Garb7995 45R/G MK-X Garb8495 4589 R/G MK-X Garb7995 60Eagle MK-X Garb7995 6098 Horek 6 only8495 ALL OTHER FOX ENGINES AT 35% 0FF R/G Short Floes R/G Long Flogs Aitoenics Aquila Airtrenicu Olynrpic II ANOREWS H-RAY Aodreres Brg H-Ray Andrews Sporrmaster Andrews Trainermaster Andrems A-Ray Aodromo Qoick Roy Andrems X-Ray BP/RC $3090 3595 3895 4995 5395 6995 8400 3525 4625 4675 5925 5599 6895 2290 3290 4178 3575 4575 4750 4800 149ra.85 ea 149ra.85 ro 79954975 54953475 39952575 49953295 74954525 52953575 44952875 47952875 52952875 Onocon 9 S nrn890490 Devoon 1 oz S mm1 98115JEMCO Deocon 25 00 5 mm379225American Eagle 50 Scale Mustang Scale P39 Gobra 625 DU-BRO Kmk Fril Fool Pores GOLDBERG Folcor 56 MK II Senior Falcon Skylark 56 MK II Skylane 42 Skyland 62 Ranger 42 ARF Goorle Lady Godberg Handi-Tote Goldberg Retract Trr-Gear HOT STUFF 2 Sopor Glue Yr oc Sopor T HOUSE OF BALSA /rA P510 Mostorrg Fiotnopol VrA Bonanza 40 Mostang MONOKOTE 6-foot Rogulor Golors Metallics 1095 5496 74-95 5695 1995 7495 3295 2495 1995 2495 1200 395 3325 4475 3376 1325 4525 1978 1595 1155 1525 675 230 34951975 59953275 34951975 69953925 990 1170 SON IC-TRON ICS Mark V Fool Ponrp MIDWEST Gessrra Gardinal ARF Attacker Lion Wire Gbaorp BUD ROSEN MODELS Aerooca Ghamp Grtabria Trainer Guadra 2 cc TOP FLITE Gontonder 60 Gonrender 40 Headmaster 40 SUREFLITE /rA Gob J-3 Skyland ARF Airacobra ARF 555J-3 Gob ARF 710Spitfire ARF MISER PLANS $300 order 5995 2695 4495 2195 2695 1795 3895 2795 2995 3195 41 95 3925 1675 2690 1425 1625 1125 2090 677 797 1917 2517 46952650 44952625 46952825 16951025 38952195 47952495 46952695 99956475 99956475 79955350 142958495 62953675 54953075 59953425 34953195 44952295 44952295 44952295 44952295 Handling charge $00000- $10000 Add $300 $10000 $20000 Add $400 Over $20000 Add $500 ADO $200 additional Quadra Nosen shipping Alaska Hawaii add $1 500 Air Excess refunded Money order checks No COD Credit Cards No phone orders accepted mail OFFER EXPIRES 6-30-81 Prices subject mfg increases Satisfaction always guaranteed INDIANA RESIDENTS AD 4010 SALES TAX live near hobby ShOP Varathane plastic paints work well fuel doesnrt bother finish plane finished coat Varathane clear satin finish paint Remaining details canopy wasnt glued earlier glue now after paint has dried Also mark canopy frame lines using marking pen Cut bend shape 1/16-in dia wire pushrod landing gearr wire skid Poke skid up through wing right fuselage side angle shown Glue its hole epoxy Install bellcrank pushrod elevator horn Strongly recommend use Carl Goldberg YzA nylon bellcrank horn set Flex elevator up down number times loosen up after painting pushrod bows too much applying up control bend pushrod guide out 1/16-in dia wire glue place Mine didnt need Attach wheels wire landing gear using glob 5-mm epoxy paper washer Mark position engine mount ing screws make screw holes use wood screws install engine Before tighten down slide landing gear wire tighten Now install lead-outs youre finished Flying tips types flying wind conditions recommend 35-ft wire lines 008-in dia takeoff avoid giving plane up-control since will rise off ground itself reaches flying speedbecause lifting airfoil engine stops will have long gentle landing glideprovided dont try keep climbing overly nervous trying fly just let bash ground time two Pick up dust off start engine try again CL Scale/Byron Continued page 53 other aircraft Bill competed F4U4 Corsair Super Scale drawings built approximately 1963 powered Torpedo 35 built 7g-in one-in scale Bramco throttle working lights working cowl flaps also scale arresting hook aircraft painted Aero Gloss paint weighed approximately 3 lbs Bill old-time modeler may able convince compete again skills quite obivous currently runs Bill Howards Hobby Shop Waterloo IA always happy discuss things old new alike find Bill very enjoyable person visit Anyone reading column also has older pictures still available please send would enjoy reminiscing addition looking what latest thing block will try use piece information get Finishing hints have experimenting new primer decrease finishing weight aircraft made up using Sig microballoons lightweight dope thinned Sig thinner has sprayed very easily does fill larger-grained woods aircraft primed filler would normally take eight hours sand out took hour 10 minutes completely sand ready clear dope. working well talcum powder does appear type primer will work place June1981 131