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Merry Widow: Fast, stable design for 1/2A reed-valve engines

Author: R.L. Clough Jr.


Edition: Model Aviation - 1999/07
Page Numbers: 32, 33, 34, 35, 36

U Roy L Clough Jr Fast stable design 12A reedvalve engines Merty Widow fast stable enough easy fly its also lively enough perform wide range dazzling two-channel maneuvers hands moderately proficient pilot Glide unusually good allows comfortable landing options despite two-channel fliers lack throttle control Unlike tail-draggers Widow rabbity ground rigidly mounted tail wheel bit back pressure stick ensures arrow-straight takeoff runs Merry Widow designed around popular 049 Black Widow engine Cox engines taken over Estes seems have assured future Actually airplane should fly well Cox tank-mount reed-valve engines one-piece fun-time flier Merry Widow needs no field assembly Its ready fuel-up fly just comes out cars trunk good second project entry level scratch-builders rugged stick fuselage its unusual overlay framing simple formers fleshes out sleek lines anybody skill level small notch above beginner-simple CONSTRUCTION Wing Key models performance foam wing 32 Model Aviation nd Cote looks over Merry Widow prior flight testing two choices make Lack hot-wire cutter no reason eschew advantages foam wings have access cutter cut wing rectangular cut tips shape skive off underside washout using wooden leading trailing edges guide dont have cutter start rectangular blank kitchen knife least six-inch blade carve sand shapewhich made original Black Widow wing Hand-carving wing fairly easy go about rightcertainly easier cutting out lot wing ribs gluing spars sheathing sheet covering whatever First need old kitchen carving knifesomething blade six eight inches long Second need drawthrough knife sharpeners made couple stacks hardened steel disks No chef decent respect tools art would caught using things produce perfect micro-raggedy edge cutting pink blue-gray foam Glue shaped leading edge dowel trailing edge rectangular blank before starting carve make good carving guides flat knife Take long smooth slices approximate shape bring final curvature long strokes hardbacked 100-grit sanding block Dont use flexible blockit can produce wavy surface Take easy swipes until get hang use scouring motions back-and-forth scrubbing just smooth draw over parts wish bring airfoil profile Check frequently cardboard template means wear mask sanding operations rectangular blank has brought airfoil section lay flat trim taper tip rake shown plan will course slice dowel trailing edge about halfway Splice glue piece trailing edge dowel tip end flush new upper camber line Skive off foam wedge beneath presto washout making changes upper camber Note wing made halves joined middle get proper dihedral angle Use hard balsa rib joint stick finished halves together Type RC Sport Wingspan 44 inches Engine Cox 049 Black Widow Functions Rudder elevator Weight 21 ounces Construction Balsa foam Coverino/finish Film July1999 33 Begin fuselage assembly sandwiched landing gear bulkhead nose formers Fuselage side frames built directly over wax-paper-covered plan ensure exact alignment balance construction WIDOW Nose sheathing manila file folder stock grain paper runs bend ge o Km HI bulkheads aMs sceptre H rich 0/5 nish Se dIce Icr // cicuehied uew p4cc QU' Hinti Begin construction fuselage side frames Ucke up main sulicread lending geor Use soc bulkcegda F & C pi-s cabin crossstruts connect two sdes Neat natal vo tray alignfl/fI stiffen trw structure--l--l Neat install front nallcheaun & strutsThen pull tail tagethar Iand fill r balance longerons & struts aj Lee t/5 bales ar toambeerd / best sImplest wep La make cscccrai surface hinges tsr tbase smell Heed s 5parcecenlta Fabric ccl strIps Hf Fabric l/4 wide Lay central surfaces tiet eark table wOe length 1/8 5g bess gre gap Heat weal tre fabric ta beth eirfasse net tne i/b eg sepanstanFlIp ca-sr end rencene beles strip New Neat wee ceather Super cecerits tape ta bath surfaces heat push thsnr tagether ce yac eras sharp ease bt seating ires aleeg hinge line te sties adheslas sides tagetner Flip sna de Other sits Adtaieufcaes t/e U m S133 semee sheen / Ccc minisetnasessurweesis ails deer elil ft serb jicetseleseacerea nice Icesac icceile breetheriearea Ia balaras plane t-25O Mo Cetistiriniciernes will eutsrnaficglip cache ccl igHt uselage sides ens bjiit aver plane Rigid tail eheetmourit IIIIII Tabs crinstree ataeeecrrbly lernce_ ruecage rrsrne c/sc I/O ieee hard bacee eintsF melee ales riget feselsge Mae II cells Saana Inside cisc etc fcesage sloe Stan 55 d Hg twa ruse age beet scnes acts tee upright st uce era ace ace Free can ants lhrrg Dihedasi Iceg ale 2 ceder sing Hip 20 /2 baintaron carter ceetian c/ut etnip brown hag pnpcrsnt ir aheC glue nose sing elenirs ore era oil er reed cacao ace lnai Hem 2/hcOO/k aOl 3/4 5mb hal dere Osa ira sryrnterr ar aguica crt blue graf loam Se nec 0se white excin learn Fret cul erg clerk escteng.ule ehepe tree cnn line Ice dicreris eHe creel ir Hire pciaioe dercine ci aOq trnn lix rig sage heliliri et chaped ceding edge Preela ttlnre ic ye. neehaur minimum 01 taCt ealeerel 1/1 hrrHro erect nil center elner learn aing sweet aesily saul tan pleats ced icined stern aente% ci trw preper Siheora arge ate hard xc oh bet trek UFO T04 ee calidly net bird eerie senIle aith S stripel neacy brawn tag pcprr applied eer cuer Elmer Ole eAt cyim i/a sneer balsa 0 0/4 Hi lOy tin Frg eHge rn 1/h Ire id weed decal 7 4 Op crerd 3/P nern trial iOn up cimbe ret rerfler mined etfec inirre snap eg Leeding nags ce-aed fromMarry Widcs 3/5 1/2 uelse--cm isa readymadeWing Ilcel imp ate shape rzzzzr hengria eashunat will shepa itcet alarialilally ecee emigre aloHa pared cc per draw rg teat L-dhTog anleil Atlnr er/tingle Ite Ii lirrana sirgilll racer glue OH ice I/ic deaw Ira edge serca guas tcr urdnail tin9 re inc prcynr nasteja I/O Mee Scisa 2/tic 4 -Haraweeti dcccl Tb ci Ce sc MODEL AVIATION Mt5CT elboW rearre win-I river cee ares aereeiaar tar tHe tea 049 hIeco eeoc en inn tract 4 0 0 CD C DO 0 CR TEXT HUISIUR SCAL U SCALE HEADQUARTERS 1/S AND 1/4 SCALE MODEL FUN THE EASY WAY VISA 111lr4nThrl r#rriwEerflfl 1 Maces starring easier safer Keeps GLOW/DRIVER glaw plug harjasf yaar engine needs ir rhe masf Cannecfs berween rhe thraftle saran neceiner -t fl renorsible wifh selectable aft painf 5 Unif can dnise rwa glaw plags rams off rransmitrer aS t Oh% electranic made USA Compatiale AM FM POM radio systems Law pnwnr cansamptian Games haskap wire Less radio connector power cell ping clip Size t 7 t 2 54 Weight 54 no Part No OA $3495 $3790 in/connector $4495 ml connector & plug clip CALL complete single twin-engine twin-eplinder upslems Gines alder DUAL-OuTPuT 5, VO Ri VERSER radon tho ability reonron dimectian semno operation Installations sntaps nosier morn cononnient Pranides both normal mnanrsnd oatpat wrtkoat ase Y connector makes split elenatar two-serao arlerons dooble-semo nodder installotron saper-easy 100% electronic wrth no setap lassjast connect target Made USA works AM PM POM radio systems Ultra-law power consamption Loss radio osnanotar Sion t 6 09 Sd Weight 025 aa Part No 2U / $2495 $2790 complete in/connector ns AccssornrSwTcn pan ability add noah tanctian anp channel ant sacrificing channels ability oontrol onma Can control eleotnisol dealces drawing ap 25 amps ott 2 aalts 305 watts moolmam power dissipation micra ~essar based design onry simple setap install 0n oh paints ore selected simple dip switches LED indicator setap Unit astomotically turns off poor transmitter aS Made USA designed tar use wth AM PM ond PCM radio systems Low power consumption Less a eara Na actors Size 16 055 05 Weight t 2 00 Part No 0U $3495 $3790 radio connector OTHER PME Pitonuen * GlowDriner Multi-Cylinder Engines$4055 GlowOniner Boats 3255 GlowDriner Cars & Trocks 3255 EleoonMioer 3055 AccessorySwitch Low-Current 2455 IgoitionUsit Rocket Powered Models 3955 PowerBocksp 3655 SloSemno 2555 SernoFailSafe Moe 24 55 TkrobleSwitck w/BEC & Timer4055 PowerRegatator S Volt 1455 RetractController Electric Retracts 25 55 SernoTrigger 2455 SernoSwitch 2555 ServoEaerciser 2455 Lonnectoaava aaoro lii anon compereaysremaanuP 0 Box 3129 CORPUS CHRISTI TX 78463-3129AddSS055&H othe p odacts ova obeysOnurns isruosa & C s aeon Sne cc 36ff Sf4 6643TX Residents panes cam andboatsHa no M F ttaa ken Cnn no FAX&A Ha es 361htd 5843add 7975% Catalog CoO w teta deta 5N soon 6 cc & Tm s Sos pine ek@rmbell ensales tan Only fl US Hobby Full Line Mnetet Aimlanes Hetreonters Boats Cars -ii stuEwAg San gt5 JAGUAR 40 ARPPIPER CUB J3/ARP 40 RE PLY APPSKY BABY-S/ ARP nE//awl 50 wona conno gpg615-tO 25 GLOW IS Tk6 05062535 25 7901508 ObLE $516span er Leogtb 43 jgs55AFTEFt 5505075515meg Open 5/5 /mgm 30 Wing Sam 08 Lennik 40 WineWing Opera 45 Loa0ih 207 59399Weighn 33 ian Wri5er SOlOs. h/lbso9SWeight 75 lbsWegha 22 lbs 241w MsV rows 802 iremre6sg jiaaCremaDe gseiuCfew 9940 91 5651050 AND SISTOIEOTOSO 190019160 WELCOME flREflhItI1 1-800-249-0644 mflSiluNEOBMAhlOBa 1-201460-0644US HOBBY INC ZilDil MEMBRo 1-2014604770 WE ACCEPOn OIOA MaseR catw & etoconee cacao eetcas geaject no ettacan WtnttOuT centet snans eases MOsOan heno ceoeoonn 095 no rPM EtilOan est no gPEI ounogoun roan TOO hi FOCKOCttI5 050 seipptgo FEE 5500 lilA jstote nEolotsno aoo OSO LEO OOh US HOBBY INC 200 MOONACI4IE AVE MOONACHIEn NJ 07074 thick odorless cyanoacrylate CyA glue WeldbondTM epoxy either method join wing halves solidly set brush 50-50 thinned mix aliphatic carpenters glue water thoroughly dry sand lightly wipe down tack cloth before covering low-temp iron-on film Note should leave mid section passes through fuselage its plain brown wrapper will accept wide range assembly glues better film covering See plan Tail The surfaces sheet balsa See plan note simplest durable hinges can use small models Tail surfaces covered ironon film Leave gaps stabilizer rudder top longeron gluing takes place Servo hookup indicated use favorite method small models use dowel pushrods lashed-and-glued wire ends Note tail wheel attached relatively heavy rear fuselage post Fuselage Build basic fuselage frames right over wax-papered plan sheet Make up bulkhead formers including main bulkhead D its built-in sandwiched landing gear salvaged wheel assembly Cox E-Z Bee perfect fit original Merry Widow See sketches left plan sheet fuselage assembly order Cross-struts filler pieces Vs x balsa Note around cabin wing areas covering doublers used wing filleted Use couple triangular patches film fill open areas before covering balance fuselage trick Ive using recent reedvalve engine installations mount washers under tank lugs Spacing tanks intake /tk l/ away firewall seems make engines perform better Varying number washers under lug makes easy fine-tune thrustline Flying Reed-valve engines seem work best run tankful fuel through get loosened up needle-valve twiddling over done before attempting serious flying Because shallow angle model rest built-in wing incidence model will take off flat-footed released Its necessary raise tail takeoff small amount back stick hold tail wheel down arrow-straight tracking lifts easily air Once get take up wring out engine starts making bleating noises 100 feet altitude will let land just about anywhere choose L Clouglt Jr 1070 Upper COy Rd Pittsfield NH 03263 roce6@juno corn 36 Model Aviation om Building Servise AvajisbieCall Wrtte M[ISTR SCALEr SEND IN FOR FREE CATALOG6319 HWY 49 e MESANE NC 27302 336 562-3700St http//wwwmeister-scalecom

Author: R.L. Clough Jr.


Edition: Model Aviation - 1999/07
Page Numbers: 32, 33, 34, 35, 36

U Roy L Clough Jr Fast stable design 12A reedvalve engines Merty Widow fast stable enough easy fly its also lively enough perform wide range dazzling two-channel maneuvers hands moderately proficient pilot Glide unusually good allows comfortable landing options despite two-channel fliers lack throttle control Unlike tail-draggers Widow rabbity ground rigidly mounted tail wheel bit back pressure stick ensures arrow-straight takeoff runs Merry Widow designed around popular 049 Black Widow engine Cox engines taken over Estes seems have assured future Actually airplane should fly well Cox tank-mount reed-valve engines one-piece fun-time flier Merry Widow needs no field assembly Its ready fuel-up fly just comes out cars trunk good second project entry level scratch-builders rugged stick fuselage its unusual overlay framing simple formers fleshes out sleek lines anybody skill level small notch above beginner-simple CONSTRUCTION Wing Key models performance foam wing 32 Model Aviation nd Cote looks over Merry Widow prior flight testing two choices make Lack hot-wire cutter no reason eschew advantages foam wings have access cutter cut wing rectangular cut tips shape skive off underside washout using wooden leading trailing edges guide dont have cutter start rectangular blank kitchen knife least six-inch blade carve sand shapewhich made original Black Widow wing Hand-carving wing fairly easy go about rightcertainly easier cutting out lot wing ribs gluing spars sheathing sheet covering whatever First need old kitchen carving knifesomething blade six eight inches long Second need drawthrough knife sharpeners made couple stacks hardened steel disks No chef decent respect tools art would caught using things produce perfect micro-raggedy edge cutting pink blue-gray foam Glue shaped leading edge dowel trailing edge rectangular blank before starting carve make good carving guides flat knife Take long smooth slices approximate shape bring final curvature long strokes hardbacked 100-grit sanding block Dont use flexible blockit can produce wavy surface Take easy swipes until get hang use scouring motions back-and-forth scrubbing just smooth draw over parts wish bring airfoil profile Check frequently cardboard template means wear mask sanding operations rectangular blank has brought airfoil section lay flat trim taper tip rake shown plan will course slice dowel trailing edge about halfway Splice glue piece trailing edge dowel tip end flush new upper camber line Skive off foam wedge beneath presto washout making changes upper camber Note wing made halves joined middle get proper dihedral angle Use hard balsa rib joint stick finished halves together Type RC Sport Wingspan 44 inches Engine Cox 049 Black Widow Functions Rudder elevator Weight 21 ounces Construction Balsa foam Coverino/finish Film July1999 33 Begin fuselage assembly sandwiched landing gear bulkhead nose formers Fuselage side frames built directly over wax-paper-covered plan ensure exact alignment balance construction WIDOW Nose sheathing manila file folder stock grain paper runs bend ge o Km HI bulkheads aMs sceptre H rich 0/5 nish Se dIce Icr // cicuehied uew p4cc QU' Hinti Begin construction fuselage side frames Ucke up main sulicread lending geor Use soc bulkcegda F & C pi-s cabin crossstruts connect two sdes Neat natal vo tray alignfl/fI stiffen trw structure--l--l Neat install front nallcheaun & strutsThen pull tail tagethar Iand fill r balance longerons & struts aj Lee t/5 bales ar toambeerd / best sImplest wep La make cscccrai surface hinges tsr tbase smell Heed s 5parcecenlta Fabric ccl strIps Hf Fabric l/4 wide Lay central surfaces tiet eark table wOe length 1/8 5g bess gre gap Heat weal tre fabric ta beth eirfasse net tne i/b eg sepanstanFlIp ca-sr end rencene beles strip New Neat wee ceather Super cecerits tape ta bath surfaces heat push thsnr tagether ce yac eras sharp ease bt seating ires aleeg hinge line te sties adheslas sides tagetner Flip sna de Other sits Adtaieufcaes t/e U m S133 semee sheen / Ccc minisetnasessurweesis ails deer elil ft serb jicetseleseacerea nice Icesac icceile breetheriearea Ia balaras plane t-25O Mo Cetistiriniciernes will eutsrnaficglip cache ccl igHt uselage sides ens bjiit aver plane Rigid tail eheetmourit IIIIII Tabs crinstree ataeeecrrbly lernce_ ruecage rrsrne c/sc I/O ieee hard bacee eintsF melee ales riget feselsge Mae II cells Saana Inside cisc etc fcesage sloe Stan 55 d Hg twa ruse age beet scnes acts tee upright st uce era ace ace Free can ants lhrrg Dihedasi Iceg ale 2 ceder sing Hip 20 /2 baintaron carter ceetian c/ut etnip brown hag pnpcrsnt ir aheC glue nose sing elenirs ore era oil er reed cacao ace lnai Hem 2/hcOO/k aOl 3/4 5mb hal dere Osa ira sryrnterr ar aguica crt blue graf loam Se nec 0se white excin learn Fret cul erg clerk escteng.ule ehepe tree cnn line Ice dicreris eHe creel ir Hire pciaioe dercine ci aOq trnn lix rig sage heliliri et chaped ceding edge Preela ttlnre ic ye. neehaur minimum 01 taCt ealeerel 1/1 hrrHro erect nil center elner learn aing sweet aesily saul tan pleats ced icined stern aente% ci trw preper Siheora arge ate hard xc oh bet trek UFO T04 ee calidly net bird eerie senIle aith S stripel neacy brawn tag pcprr applied eer cuer Elmer Ole eAt cyim i/a sneer balsa 0 0/4 Hi lOy tin Frg eHge rn 1/h Ire id weed decal 7 4 Op crerd 3/P nern trial iOn up cimbe ret rerfler mined etfec inirre snap eg Leeding nags ce-aed fromMarry Widcs 3/5 1/2 uelse--cm isa readymadeWing Ilcel imp ate shape rzzzzr hengria eashunat will shepa itcet alarialilally ecee emigre aloHa pared cc per draw rg teat L-dhTog anleil Atlnr er/tingle Ite Ii lirrana sirgilll racer glue OH ice I/ic deaw Ira edge serca guas tcr urdnail tin9 re inc prcynr nasteja I/O Mee Scisa 2/tic 4 -Haraweeti dcccl Tb ci Ce sc MODEL AVIATION Mt5CT elboW rearre win-I river cee ares aereeiaar tar tHe tea 049 hIeco eeoc en inn tract 4 0 0 CD C DO 0 CR TEXT HUISIUR SCAL U SCALE HEADQUARTERS 1/S AND 1/4 SCALE MODEL FUN THE EASY WAY VISA 111lr4nThrl r#rriwEerflfl 1 Maces starring easier safer Keeps GLOW/DRIVER glaw plug harjasf yaar engine needs ir rhe masf Cannecfs berween rhe thraftle saran neceiner -t fl renorsible wifh selectable aft painf 5 Unif can dnise rwa glaw plags rams off rransmitrer aS t Oh% electranic made USA Compatiale AM FM POM radio systems Law pnwnr cansamptian Games haskap wire Less radio connector power cell ping clip Size t 7 t 2 54 Weight 54 no Part No OA $3495 $3790 in/connector $4495 ml connector & plug clip CALL complete single twin-engine twin-eplinder upslems Gines alder DUAL-OuTPuT 5, VO Ri VERSER radon tho ability reonron dimectian semno operation Installations sntaps nosier morn cononnient Pranides both normal mnanrsnd oatpat wrtkoat ase Y connector makes split elenatar two-serao arlerons dooble-semo nodder installotron saper-easy 100% electronic wrth no setap lassjast connect target Made USA works AM PM POM radio systems Ultra-law power consamption Loss radio osnanotar Sion t 6 09 Sd Weight 025 aa Part No 2U / $2495 $2790 complete in/connector ns AccssornrSwTcn pan ability add noah tanctian anp channel ant sacrificing channels ability oontrol onma Can control eleotnisol dealces drawing ap 25 amps ott 2 aalts 305 watts moolmam power dissipation micra ~essar based design onry simple setap install 0n oh paints ore selected simple dip switches LED indicator setap Unit astomotically turns off poor transmitter aS Made USA designed tar use wth AM PM ond PCM radio systems Low power consumption Less a eara Na actors Size 16 055 05 Weight t 2 00 Part No 0U $3495 $3790 radio connector OTHER PME Pitonuen * GlowDriner Multi-Cylinder Engines$4055 GlowOniner Boats 3255 GlowDriner Cars & Trocks 3255 EleoonMioer 3055 AccessorySwitch Low-Current 2455 IgoitionUsit Rocket Powered Models 3955 PowerBocksp 3655 SloSemno 2555 SernoFailSafe Moe 24 55 TkrobleSwitck w/BEC & Timer4055 PowerRegatator S Volt 1455 RetractController Electric Retracts 25 55 SernoTrigger 2455 SernoSwitch 2555 ServoEaerciser 2455 Lonnectoaava aaoro lii anon compereaysremaanuP 0 Box 3129 CORPUS CHRISTI TX 78463-3129AddSS055&H othe p odacts ova obeysOnurns isruosa & C s aeon Sne cc 36ff Sf4 6643TX Residents panes cam andboatsHa no M F ttaa ken Cnn no FAX&A Ha es 361htd 5843add 7975% Catalog CoO w teta deta 5N soon 6 cc & Tm s Sos pine ek@rmbell ensales tan Only fl US Hobby Full Line Mnetet Aimlanes Hetreonters Boats Cars -ii stuEwAg San gt5 JAGUAR 40 ARPPIPER CUB J3/ARP 40 RE PLY APPSKY BABY-S/ ARP nE//awl 50 wona conno gpg615-tO 25 GLOW IS Tk6 05062535 25 7901508 ObLE $516span er Leogtb 43 jgs55AFTEFt 5505075515meg Open 5/5 /mgm 30 Wing Sam 08 Lennik 40 WineWing Opera 45 Loa0ih 207 59399Weighn 33 ian Wri5er SOlOs. h/lbso9SWeight 75 lbsWegha 22 lbs 241w MsV rows 802 iremre6sg jiaaCremaDe gseiuCfew 9940 91 5651050 AND SISTOIEOTOSO 190019160 WELCOME flREflhItI1 1-800-249-0644 mflSiluNEOBMAhlOBa 1-201460-0644US HOBBY INC ZilDil MEMBRo 1-2014604770 WE ACCEPOn OIOA MaseR catw & etoconee cacao eetcas geaject no ettacan WtnttOuT centet snans eases MOsOan heno ceoeoonn 095 no rPM EtilOan est no gPEI ounogoun roan TOO hi FOCKOCttI5 050 seipptgo FEE 5500 lilA jstote nEolotsno aoo OSO LEO OOh US HOBBY INC 200 MOONACI4IE AVE MOONACHIEn NJ 07074 thick odorless cyanoacrylate CyA glue WeldbondTM epoxy either method join wing halves solidly set brush 50-50 thinned mix aliphatic carpenters glue water thoroughly dry sand lightly wipe down tack cloth before covering low-temp iron-on film Note should leave mid section passes through fuselage its plain brown wrapper will accept wide range assembly glues better film covering See plan Tail The surfaces sheet balsa See plan note simplest durable hinges can use small models Tail surfaces covered ironon film Leave gaps stabilizer rudder top longeron gluing takes place Servo hookup indicated use favorite method small models use dowel pushrods lashed-and-glued wire ends Note tail wheel attached relatively heavy rear fuselage post Fuselage Build basic fuselage frames right over wax-papered plan sheet Make up bulkhead formers including main bulkhead D its built-in sandwiched landing gear salvaged wheel assembly Cox E-Z Bee perfect fit original Merry Widow See sketches left plan sheet fuselage assembly order Cross-struts filler pieces Vs x balsa Note around cabin wing areas covering doublers used wing filleted Use couple triangular patches film fill open areas before covering balance fuselage trick Ive using recent reedvalve engine installations mount washers under tank lugs Spacing tanks intake /tk l/ away firewall seems make engines perform better Varying number washers under lug makes easy fine-tune thrustline Flying Reed-valve engines seem work best run tankful fuel through get loosened up needle-valve twiddling over done before attempting serious flying Because shallow angle model rest built-in wing incidence model will take off flat-footed released Its necessary raise tail takeoff small amount back stick hold tail wheel down arrow-straight tracking lifts easily air Once get take up wring out engine starts making bleating noises 100 feet altitude will let land just about anywhere choose L Clouglt Jr 1070 Upper COy Rd Pittsfield NH 03263 roce6@juno corn 36 Model Aviation om Building Servise AvajisbieCall Wrtte M[ISTR SCALEr SEND IN FOR FREE CATALOG6319 HWY 49 e MESANE NC 27302 336 562-3700St http//wwwmeister-scalecom

Author: R.L. Clough Jr.


Edition: Model Aviation - 1999/07
Page Numbers: 32, 33, 34, 35, 36

U Roy L Clough Jr Fast stable design 12A reedvalve engines Merty Widow fast stable enough easy fly its also lively enough perform wide range dazzling two-channel maneuvers hands moderately proficient pilot Glide unusually good allows comfortable landing options despite two-channel fliers lack throttle control Unlike tail-draggers Widow rabbity ground rigidly mounted tail wheel bit back pressure stick ensures arrow-straight takeoff runs Merry Widow designed around popular 049 Black Widow engine Cox engines taken over Estes seems have assured future Actually airplane should fly well Cox tank-mount reed-valve engines one-piece fun-time flier Merry Widow needs no field assembly Its ready fuel-up fly just comes out cars trunk good second project entry level scratch-builders rugged stick fuselage its unusual overlay framing simple formers fleshes out sleek lines anybody skill level small notch above beginner-simple CONSTRUCTION Wing Key models performance foam wing 32 Model Aviation nd Cote looks over Merry Widow prior flight testing two choices make Lack hot-wire cutter no reason eschew advantages foam wings have access cutter cut wing rectangular cut tips shape skive off underside washout using wooden leading trailing edges guide dont have cutter start rectangular blank kitchen knife least six-inch blade carve sand shapewhich made original Black Widow wing Hand-carving wing fairly easy go about rightcertainly easier cutting out lot wing ribs gluing spars sheathing sheet covering whatever First need old kitchen carving knifesomething blade six eight inches long Second need drawthrough knife sharpeners made couple stacks hardened steel disks No chef decent respect tools art would caught using things produce perfect micro-raggedy edge cutting pink blue-gray foam Glue shaped leading edge dowel trailing edge rectangular blank before starting carve make good carving guides flat knife Take long smooth slices approximate shape bring final curvature long strokes hardbacked 100-grit sanding block Dont use flexible blockit can produce wavy surface Take easy swipes until get hang use scouring motions back-and-forth scrubbing just smooth draw over parts wish bring airfoil profile Check frequently cardboard template means wear mask sanding operations rectangular blank has brought airfoil section lay flat trim taper tip rake shown plan will course slice dowel trailing edge about halfway Splice glue piece trailing edge dowel tip end flush new upper camber line Skive off foam wedge beneath presto washout making changes upper camber Note wing made halves joined middle get proper dihedral angle Use hard balsa rib joint stick finished halves together Type RC Sport Wingspan 44 inches Engine Cox 049 Black Widow Functions Rudder elevator Weight 21 ounces Construction Balsa foam Coverino/finish Film July1999 33 Begin fuselage assembly sandwiched landing gear bulkhead nose formers Fuselage side frames built directly over wax-paper-covered plan ensure exact alignment balance construction WIDOW Nose sheathing manila file folder stock grain paper runs bend ge o Km HI bulkheads aMs sceptre H rich 0/5 nish Se dIce Icr // cicuehied uew p4cc QU' Hinti Begin construction fuselage side frames Ucke up main sulicread lending geor Use soc bulkcegda F & C pi-s cabin crossstruts connect two sdes Neat natal vo tray alignfl/fI stiffen trw structure--l--l Neat install front nallcheaun & strutsThen pull tail tagethar Iand fill r balance longerons & struts aj Lee t/5 bales ar toambeerd / best sImplest wep La make cscccrai surface hinges tsr tbase smell Heed s 5parcecenlta Fabric ccl strIps Hf Fabric l/4 wide Lay central surfaces tiet eark table wOe length 1/8 5g bess gre gap Heat weal tre fabric ta beth eirfasse net tne i/b eg sepanstanFlIp ca-sr end rencene beles strip New Neat wee ceather Super cecerits tape ta bath surfaces heat push thsnr tagether ce yac eras sharp ease bt seating ires aleeg hinge line te sties adheslas sides tagetner Flip sna de Other sits Adtaieufcaes t/e U m S133 semee sheen / Ccc minisetnasessurweesis ails deer elil ft serb jicetseleseacerea nice Icesac icceile breetheriearea Ia balaras plane t-25O Mo Cetistiriniciernes will eutsrnaficglip cache ccl igHt uselage sides ens bjiit aver plane Rigid tail eheetmourit IIIIII Tabs crinstree ataeeecrrbly lernce_ ruecage rrsrne c/sc I/O ieee hard bacee eintsF melee ales riget feselsge Mae II cells Saana Inside cisc etc fcesage sloe Stan 55 d Hg twa ruse age beet scnes acts tee upright st uce era ace ace Free can ants lhrrg Dihedasi Iceg ale 2 ceder sing Hip 20 /2 baintaron carter ceetian c/ut etnip brown hag pnpcrsnt ir aheC glue nose sing elenirs ore era oil er reed cacao ace lnai Hem 2/hcOO/k aOl 3/4 5mb hal dere Osa ira sryrnterr ar aguica crt blue graf loam Se nec 0se white excin learn Fret cul erg clerk escteng.ule ehepe tree cnn line Ice dicreris eHe creel ir Hire pciaioe dercine ci aOq trnn lix rig sage heliliri et chaped ceding edge Preela ttlnre ic ye. neehaur minimum 01 taCt ealeerel 1/1 hrrHro erect nil center elner learn aing sweet aesily saul tan pleats ced icined stern aente% ci trw preper Siheora arge ate hard xc oh bet trek UFO T04 ee calidly net bird eerie senIle aith S stripel neacy brawn tag pcprr applied eer cuer Elmer Ole eAt cyim i/a sneer balsa 0 0/4 Hi lOy tin Frg eHge rn 1/h Ire id weed decal 7 4 Op crerd 3/P nern trial iOn up cimbe ret rerfler mined etfec inirre snap eg Leeding nags ce-aed fromMarry Widcs 3/5 1/2 uelse--cm isa readymadeWing Ilcel imp ate shape rzzzzr hengria eashunat will shepa itcet alarialilally ecee emigre aloHa pared cc per draw rg teat L-dhTog anleil Atlnr er/tingle Ite Ii lirrana sirgilll racer glue OH ice I/ic deaw Ira edge serca guas tcr urdnail tin9 re inc prcynr nasteja I/O Mee Scisa 2/tic 4 -Haraweeti dcccl Tb ci Ce sc MODEL AVIATION Mt5CT elboW rearre win-I river cee ares aereeiaar tar tHe tea 049 hIeco eeoc en inn tract 4 0 0 CD C DO 0 CR TEXT HUISIUR SCAL U SCALE HEADQUARTERS 1/S AND 1/4 SCALE MODEL FUN THE EASY WAY VISA 111lr4nThrl r#rriwEerflfl 1 Maces starring easier safer Keeps GLOW/DRIVER glaw plug harjasf yaar engine needs ir rhe masf Cannecfs berween rhe thraftle saran neceiner -t fl renorsible wifh selectable aft painf 5 Unif can dnise rwa glaw plags rams off rransmitrer aS t Oh% electranic made USA Compatiale AM FM POM radio systems Law pnwnr cansamptian Games haskap wire Less radio connector power cell ping clip Size t 7 t 2 54 Weight 54 no Part No OA $3495 $3790 in/connector $4495 ml connector & plug clip CALL complete single twin-engine twin-eplinder upslems Gines alder DUAL-OuTPuT 5, VO Ri VERSER radon tho ability reonron dimectian semno operation Installations sntaps nosier morn cononnient Pranides both normal mnanrsnd oatpat wrtkoat ase Y connector makes split elenatar two-serao arlerons dooble-semo nodder installotron saper-easy 100% electronic wrth no setap lassjast connect target Made USA works AM PM POM radio systems Ultra-law power consamption Loss radio osnanotar Sion t 6 09 Sd Weight 025 aa Part No 2U / $2495 $2790 complete in/connector ns AccssornrSwTcn pan ability add noah tanctian anp channel ant sacrificing channels ability oontrol onma Can control eleotnisol dealces drawing ap 25 amps ott 2 aalts 305 watts moolmam power dissipation micra ~essar based design onry simple setap install 0n oh paints ore selected simple dip switches LED indicator setap Unit astomotically turns off poor transmitter aS Made USA designed tar use wth AM PM ond PCM radio systems Low power consumption Less a eara Na actors Size 16 055 05 Weight t 2 00 Part No 0U $3495 $3790 radio connector OTHER PME Pitonuen * GlowDriner Multi-Cylinder Engines$4055 GlowOniner Boats 3255 GlowDriner Cars & Trocks 3255 EleoonMioer 3055 AccessorySwitch Low-Current 2455 IgoitionUsit Rocket Powered Models 3955 PowerBocksp 3655 SloSemno 2555 SernoFailSafe Moe 24 55 TkrobleSwitck w/BEC & Timer4055 PowerRegatator S Volt 1455 RetractController Electric Retracts 25 55 SernoTrigger 2455 SernoSwitch 2555 ServoEaerciser 2455 Lonnectoaava aaoro lii anon compereaysremaanuP 0 Box 3129 CORPUS CHRISTI TX 78463-3129AddSS055&H othe p odacts ova obeysOnurns isruosa & C s aeon Sne cc 36ff Sf4 6643TX Residents panes cam andboatsHa no M F ttaa ken Cnn no FAX&A Ha es 361htd 5843add 7975% Catalog CoO w teta deta 5N soon 6 cc & Tm s Sos pine ek@rmbell ensales tan Only fl US Hobby Full Line Mnetet Aimlanes Hetreonters Boats Cars -ii stuEwAg San gt5 JAGUAR 40 ARPPIPER CUB J3/ARP 40 RE PLY APPSKY BABY-S/ ARP nE//awl 50 wona conno gpg615-tO 25 GLOW IS Tk6 05062535 25 7901508 ObLE $516span er Leogtb 43 jgs55AFTEFt 5505075515meg Open 5/5 /mgm 30 Wing Sam 08 Lennik 40 WineWing Opera 45 Loa0ih 207 59399Weighn 33 ian Wri5er SOlOs. h/lbso9SWeight 75 lbsWegha 22 lbs 241w MsV rows 802 iremre6sg jiaaCremaDe gseiuCfew 9940 91 5651050 AND SISTOIEOTOSO 190019160 WELCOME flREflhItI1 1-800-249-0644 mflSiluNEOBMAhlOBa 1-201460-0644US HOBBY INC ZilDil MEMBRo 1-2014604770 WE ACCEPOn OIOA MaseR catw & etoconee cacao eetcas geaject no ettacan WtnttOuT centet snans eases MOsOan heno ceoeoonn 095 no rPM EtilOan est no gPEI ounogoun roan TOO hi FOCKOCttI5 050 seipptgo FEE 5500 lilA jstote nEolotsno aoo OSO LEO OOh US HOBBY INC 200 MOONACI4IE AVE MOONACHIEn NJ 07074 thick odorless cyanoacrylate CyA glue WeldbondTM epoxy either method join wing halves solidly set brush 50-50 thinned mix aliphatic carpenters glue water thoroughly dry sand lightly wipe down tack cloth before covering low-temp iron-on film Note should leave mid section passes through fuselage its plain brown wrapper will accept wide range assembly glues better film covering See plan Tail The surfaces sheet balsa See plan note simplest durable hinges can use small models Tail surfaces covered ironon film Leave gaps stabilizer rudder top longeron gluing takes place Servo hookup indicated use favorite method small models use dowel pushrods lashed-and-glued wire ends Note tail wheel attached relatively heavy rear fuselage post Fuselage Build basic fuselage frames right over wax-papered plan sheet Make up bulkhead formers including main bulkhead D its built-in sandwiched landing gear salvaged wheel assembly Cox E-Z Bee perfect fit original Merry Widow See sketches left plan sheet fuselage assembly order Cross-struts filler pieces Vs x balsa Note around cabin wing areas covering doublers used wing filleted Use couple triangular patches film fill open areas before covering balance fuselage trick Ive using recent reedvalve engine installations mount washers under tank lugs Spacing tanks intake /tk l/ away firewall seems make engines perform better Varying number washers under lug makes easy fine-tune thrustline Flying Reed-valve engines seem work best run tankful fuel through get loosened up needle-valve twiddling over done before attempting serious flying Because shallow angle model rest built-in wing incidence model will take off flat-footed released Its necessary raise tail takeoff small amount back stick hold tail wheel down arrow-straight tracking lifts easily air Once get take up wring out engine starts making bleating noises 100 feet altitude will let land just about anywhere choose L Clouglt Jr 1070 Upper COy Rd Pittsfield NH 03263 roce6@juno corn 36 Model Aviation om Building Servise AvajisbieCall Wrtte M[ISTR SCALEr SEND IN FOR FREE CATALOG6319 HWY 49 e MESANE NC 27302 336 562-3700St http//wwwmeister-scalecom

Author: R.L. Clough Jr.


Edition: Model Aviation - 1999/07
Page Numbers: 32, 33, 34, 35, 36

U Roy L Clough Jr Fast stable design 12A reedvalve engines Merty Widow fast stable enough easy fly its also lively enough perform wide range dazzling two-channel maneuvers hands moderately proficient pilot Glide unusually good allows comfortable landing options despite two-channel fliers lack throttle control Unlike tail-draggers Widow rabbity ground rigidly mounted tail wheel bit back pressure stick ensures arrow-straight takeoff runs Merry Widow designed around popular 049 Black Widow engine Cox engines taken over Estes seems have assured future Actually airplane should fly well Cox tank-mount reed-valve engines one-piece fun-time flier Merry Widow needs no field assembly Its ready fuel-up fly just comes out cars trunk good second project entry level scratch-builders rugged stick fuselage its unusual overlay framing simple formers fleshes out sleek lines anybody skill level small notch above beginner-simple CONSTRUCTION Wing Key models performance foam wing 32 Model Aviation nd Cote looks over Merry Widow prior flight testing two choices make Lack hot-wire cutter no reason eschew advantages foam wings have access cutter cut wing rectangular cut tips shape skive off underside washout using wooden leading trailing edges guide dont have cutter start rectangular blank kitchen knife least six-inch blade carve sand shapewhich made original Black Widow wing Hand-carving wing fairly easy go about rightcertainly easier cutting out lot wing ribs gluing spars sheathing sheet covering whatever First need old kitchen carving knifesomething blade six eight inches long Second need drawthrough knife sharpeners made couple stacks hardened steel disks No chef decent respect tools art would caught using things produce perfect micro-raggedy edge cutting pink blue-gray foam Glue shaped leading edge dowel trailing edge rectangular blank before starting carve make good carving guides flat knife Take long smooth slices approximate shape bring final curvature long strokes hardbacked 100-grit sanding block Dont use flexible blockit can produce wavy surface Take easy swipes until get hang use scouring motions back-and-forth scrubbing just smooth draw over parts wish bring airfoil profile Check frequently cardboard template means wear mask sanding operations rectangular blank has brought airfoil section lay flat trim taper tip rake shown plan will course slice dowel trailing edge about halfway Splice glue piece trailing edge dowel tip end flush new upper camber line Skive off foam wedge beneath presto washout making changes upper camber Note wing made halves joined middle get proper dihedral angle Use hard balsa rib joint stick finished halves together Type RC Sport Wingspan 44 inches Engine Cox 049 Black Widow Functions Rudder elevator Weight 21 ounces Construction Balsa foam Coverino/finish Film July1999 33 Begin fuselage assembly sandwiched landing gear bulkhead nose formers Fuselage side frames built directly over wax-paper-covered plan ensure exact alignment balance construction WIDOW Nose sheathing manila file folder stock grain paper runs bend ge o Km HI bulkheads aMs sceptre H rich 0/5 nish Se dIce Icr // cicuehied uew p4cc QU' Hinti Begin construction fuselage side frames Ucke up main sulicread lending geor Use soc bulkcegda F & C pi-s cabin crossstruts connect two sdes Neat natal vo tray alignfl/fI stiffen trw structure--l--l Neat install front nallcheaun & strutsThen pull tail tagethar Iand fill r balance longerons & struts aj Lee t/5 bales ar toambeerd / best sImplest wep La make cscccrai surface hinges tsr tbase smell Heed s 5parcecenlta Fabric ccl strIps Hf Fabric l/4 wide Lay central surfaces tiet eark table wOe length 1/8 5g bess gre gap Heat weal tre fabric ta beth eirfasse net tne i/b eg sepanstanFlIp ca-sr end rencene beles strip New Neat wee ceather Super cecerits tape ta bath surfaces heat push thsnr tagether ce yac eras sharp ease bt seating ires aleeg hinge line te sties adheslas sides tagetner Flip sna de Other sits Adtaieufcaes t/e U m S133 semee sheen / Ccc minisetnasessurweesis ails deer elil ft serb jicetseleseacerea nice Icesac icceile breetheriearea Ia balaras plane t-25O Mo Cetistiriniciernes will eutsrnaficglip cache ccl igHt uselage sides ens bjiit aver plane Rigid tail eheetmourit IIIIII Tabs crinstree ataeeecrrbly lernce_ ruecage rrsrne c/sc I/O ieee hard bacee eintsF melee ales riget feselsge Mae II cells Saana Inside cisc etc fcesage sloe Stan 55 d Hg twa ruse age beet scnes acts tee upright st uce era ace ace Free can ants lhrrg Dihedasi Iceg ale 2 ceder sing Hip 20 /2 baintaron carter ceetian c/ut etnip brown hag pnpcrsnt ir aheC glue nose sing elenirs ore era oil er reed cacao ace lnai Hem 2/hcOO/k aOl 3/4 5mb hal dere Osa ira sryrnterr ar aguica crt blue graf loam Se nec 0se white excin learn Fret cul erg clerk escteng.ule ehepe tree cnn line Ice dicreris eHe creel ir Hire pciaioe dercine ci aOq trnn lix rig sage heliliri et chaped ceding edge Preela ttlnre ic ye. neehaur minimum 01 taCt ealeerel 1/1 hrrHro erect nil center elner learn aing sweet aesily saul tan pleats ced icined stern aente% ci trw preper Siheora arge ate hard xc oh bet trek UFO T04 ee calidly net bird eerie senIle aith S stripel neacy brawn tag pcprr applied eer cuer Elmer Ole eAt cyim i/a sneer balsa 0 0/4 Hi lOy tin Frg eHge rn 1/h Ire id weed decal 7 4 Op crerd 3/P nern trial iOn up cimbe ret rerfler mined etfec inirre snap eg Leeding nags ce-aed fromMarry Widcs 3/5 1/2 uelse--cm isa readymadeWing Ilcel imp ate shape rzzzzr hengria eashunat will shepa itcet alarialilally ecee emigre aloHa pared cc per draw rg teat L-dhTog anleil Atlnr er/tingle Ite Ii lirrana sirgilll racer glue OH ice I/ic deaw Ira edge serca guas tcr urdnail tin9 re inc prcynr nasteja I/O Mee Scisa 2/tic 4 -Haraweeti dcccl Tb ci Ce sc MODEL AVIATION Mt5CT elboW rearre win-I river cee ares aereeiaar tar tHe tea 049 hIeco eeoc en inn tract 4 0 0 CD C DO 0 CR TEXT HUISIUR SCAL U SCALE HEADQUARTERS 1/S AND 1/4 SCALE MODEL FUN THE EASY WAY VISA 111lr4nThrl r#rriwEerflfl 1 Maces starring easier safer Keeps GLOW/DRIVER glaw plug harjasf yaar engine needs ir rhe masf Cannecfs berween rhe thraftle saran neceiner -t fl renorsible wifh selectable aft painf 5 Unif can dnise rwa glaw plags rams off rransmitrer aS t Oh% electranic made USA Compatiale AM FM POM radio systems Law pnwnr cansamptian Games haskap wire Less radio connector power cell ping clip Size t 7 t 2 54 Weight 54 no Part No OA $3495 $3790 in/connector $4495 ml connector & plug clip CALL complete single twin-engine twin-eplinder upslems Gines alder DUAL-OuTPuT 5, VO Ri VERSER radon tho ability reonron dimectian semno operation Installations sntaps nosier morn cononnient Pranides both normal mnanrsnd oatpat wrtkoat ase Y connector makes split elenatar two-serao arlerons dooble-semo nodder installotron saper-easy 100% electronic wrth no setap lassjast connect target Made USA works AM PM POM radio systems Ultra-law power consamption Loss radio osnanotar Sion t 6 09 Sd Weight 025 aa Part No 2U / $2495 $2790 complete in/connector ns AccssornrSwTcn pan ability add noah tanctian anp channel ant sacrificing channels ability oontrol onma Can control eleotnisol dealces drawing ap 25 amps ott 2 aalts 305 watts moolmam power dissipation micra ~essar based design onry simple setap install 0n oh paints ore selected simple dip switches LED indicator setap Unit astomotically turns off poor transmitter aS Made USA designed tar use wth AM PM ond PCM radio systems Low power consumption Less a eara Na actors Size 16 055 05 Weight t 2 00 Part No 0U $3495 $3790 radio connector OTHER PME Pitonuen * GlowDriner Multi-Cylinder Engines$4055 GlowOniner Boats 3255 GlowDriner Cars & Trocks 3255 EleoonMioer 3055 AccessorySwitch Low-Current 2455 IgoitionUsit Rocket Powered Models 3955 PowerBocksp 3655 SloSemno 2555 SernoFailSafe Moe 24 55 TkrobleSwitck w/BEC & Timer4055 PowerRegatator S Volt 1455 RetractController Electric Retracts 25 55 SernoTrigger 2455 SernoSwitch 2555 ServoEaerciser 2455 Lonnectoaava aaoro lii anon compereaysremaanuP 0 Box 3129 CORPUS CHRISTI TX 78463-3129AddSS055&H othe p odacts ova obeysOnurns isruosa & C s aeon Sne cc 36ff Sf4 6643TX Residents panes cam andboatsHa no M F ttaa ken Cnn no FAX&A Ha es 361htd 5843add 7975% Catalog CoO w teta deta 5N soon 6 cc & Tm s Sos pine ek@rmbell ensales tan Only fl US Hobby Full Line Mnetet Aimlanes Hetreonters Boats Cars -ii stuEwAg San gt5 JAGUAR 40 ARPPIPER CUB J3/ARP 40 RE PLY APPSKY BABY-S/ ARP nE//awl 50 wona conno gpg615-tO 25 GLOW IS Tk6 05062535 25 7901508 ObLE $516span er Leogtb 43 jgs55AFTEFt 5505075515meg Open 5/5 /mgm 30 Wing Sam 08 Lennik 40 WineWing Opera 45 Loa0ih 207 59399Weighn 33 ian Wri5er SOlOs. h/lbso9SWeight 75 lbsWegha 22 lbs 241w MsV rows 802 iremre6sg jiaaCremaDe gseiuCfew 9940 91 5651050 AND SISTOIEOTOSO 190019160 WELCOME flREflhItI1 1-800-249-0644 mflSiluNEOBMAhlOBa 1-201460-0644US HOBBY INC ZilDil MEMBRo 1-2014604770 WE ACCEPOn OIOA MaseR catw & etoconee cacao eetcas geaject no ettacan WtnttOuT centet snans eases MOsOan heno ceoeoonn 095 no rPM EtilOan est no gPEI ounogoun roan TOO hi FOCKOCttI5 050 seipptgo FEE 5500 lilA jstote nEolotsno aoo OSO LEO OOh US HOBBY INC 200 MOONACI4IE AVE MOONACHIEn NJ 07074 thick odorless cyanoacrylate CyA glue WeldbondTM epoxy either method join wing halves solidly set brush 50-50 thinned mix aliphatic carpenters glue water thoroughly dry sand lightly wipe down tack cloth before covering low-temp iron-on film Note should leave mid section passes through fuselage its plain brown wrapper will accept wide range assembly glues better film covering See plan Tail The surfaces sheet balsa See plan note simplest durable hinges can use small models Tail surfaces covered ironon film Leave gaps stabilizer rudder top longeron gluing takes place Servo hookup indicated use favorite method small models use dowel pushrods lashed-and-glued wire ends Note tail wheel attached relatively heavy rear fuselage post Fuselage Build basic fuselage frames right over wax-papered plan sheet Make up bulkhead formers including main bulkhead D its built-in sandwiched landing gear salvaged wheel assembly Cox E-Z Bee perfect fit original Merry Widow See sketches left plan sheet fuselage assembly order Cross-struts filler pieces Vs x balsa Note around cabin wing areas covering doublers used wing filleted Use couple triangular patches film fill open areas before covering balance fuselage trick Ive using recent reedvalve engine installations mount washers under tank lugs Spacing tanks intake /tk l/ away firewall seems make engines perform better Varying number washers under lug makes easy fine-tune thrustline Flying Reed-valve engines seem work best run tankful fuel through get loosened up needle-valve twiddling over done before attempting serious flying Because shallow angle model rest built-in wing incidence model will take off flat-footed released Its necessary raise tail takeoff small amount back stick hold tail wheel down arrow-straight tracking lifts easily air Once get take up wring out engine starts making bleating noises 100 feet altitude will let land just about anywhere choose L Clouglt Jr 1070 Upper COy Rd Pittsfield NH 03263 roce6@juno corn 36 Model Aviation om Building Servise AvajisbieCall Wrtte M[ISTR SCALEr SEND IN FOR FREE CATALOG6319 HWY 49 e MESANE NC 27302 336 562-3700St http//wwwmeister-scalecom

Author: R.L. Clough Jr.


Edition: Model Aviation - 1999/07
Page Numbers: 32, 33, 34, 35, 36

U Roy L Clough Jr Fast stable design 12A reedvalve engines Merty Widow fast stable enough easy fly its also lively enough perform wide range dazzling two-channel maneuvers hands moderately proficient pilot Glide unusually good allows comfortable landing options despite two-channel fliers lack throttle control Unlike tail-draggers Widow rabbity ground rigidly mounted tail wheel bit back pressure stick ensures arrow-straight takeoff runs Merry Widow designed around popular 049 Black Widow engine Cox engines taken over Estes seems have assured future Actually airplane should fly well Cox tank-mount reed-valve engines one-piece fun-time flier Merry Widow needs no field assembly Its ready fuel-up fly just comes out cars trunk good second project entry level scratch-builders rugged stick fuselage its unusual overlay framing simple formers fleshes out sleek lines anybody skill level small notch above beginner-simple CONSTRUCTION Wing Key models performance foam wing 32 Model Aviation nd Cote looks over Merry Widow prior flight testing two choices make Lack hot-wire cutter no reason eschew advantages foam wings have access cutter cut wing rectangular cut tips shape skive off underside washout using wooden leading trailing edges guide dont have cutter start rectangular blank kitchen knife least six-inch blade carve sand shapewhich made original Black Widow wing Hand-carving wing fairly easy go about rightcertainly easier cutting out lot wing ribs gluing spars sheathing sheet covering whatever First need old kitchen carving knifesomething blade six eight inches long Second need drawthrough knife sharpeners made couple stacks hardened steel disks No chef decent respect tools art would caught using things produce perfect micro-raggedy edge cutting pink blue-gray foam Glue shaped leading edge dowel trailing edge rectangular blank before starting carve make good carving guides flat knife Take long smooth slices approximate shape bring final curvature long strokes hardbacked 100-grit sanding block Dont use flexible blockit can produce wavy surface Take easy swipes until get hang use scouring motions back-and-forth scrubbing just smooth draw over parts wish bring airfoil profile Check frequently cardboard template means wear mask sanding operations rectangular blank has brought airfoil section lay flat trim taper tip rake shown plan will course slice dowel trailing edge about halfway Splice glue piece trailing edge dowel tip end flush new upper camber line Skive off foam wedge beneath presto washout making changes upper camber Note wing made halves joined middle get proper dihedral angle Use hard balsa rib joint stick finished halves together Type RC Sport Wingspan 44 inches Engine Cox 049 Black Widow Functions Rudder elevator Weight 21 ounces Construction Balsa foam Coverino/finish Film July1999 33 Begin fuselage assembly sandwiched landing gear bulkhead nose formers Fuselage side frames built directly over wax-paper-covered plan ensure exact alignment balance construction WIDOW Nose sheathing manila file folder stock grain paper runs bend ge o Km HI bulkheads aMs sceptre H rich 0/5 nish Se dIce Icr // cicuehied uew p4cc QU' Hinti Begin construction fuselage side frames Ucke up main sulicread lending geor Use soc bulkcegda F & C pi-s cabin crossstruts connect two sdes Neat natal vo tray alignfl/fI stiffen trw structure--l--l Neat install front nallcheaun & strutsThen pull tail tagethar Iand fill r balance longerons & struts aj Lee t/5 bales ar toambeerd / best sImplest wep La make cscccrai surface hinges tsr tbase smell Heed s 5parcecenlta Fabric ccl strIps Hf Fabric l/4 wide Lay central surfaces tiet eark table wOe length 1/8 5g bess gre gap Heat weal tre fabric ta beth eirfasse net tne i/b eg sepanstanFlIp ca-sr end rencene beles strip New Neat wee ceather Super cecerits tape ta bath surfaces heat push thsnr tagether ce yac eras sharp ease bt seating ires aleeg hinge line te sties adheslas sides tagetner Flip sna de Other sits Adtaieufcaes t/e U m S133 semee sheen / Ccc minisetnasessurweesis ails deer elil ft serb jicetseleseacerea nice Icesac icceile breetheriearea Ia balaras plane t-25O Mo Cetistiriniciernes will eutsrnaficglip cache ccl igHt uselage sides ens bjiit aver plane Rigid tail eheetmourit IIIIII Tabs crinstree ataeeecrrbly lernce_ ruecage rrsrne c/sc I/O ieee hard bacee eintsF melee ales riget feselsge Mae II cells Saana Inside cisc etc fcesage sloe Stan 55 d Hg twa ruse age beet scnes acts tee upright st uce era ace ace Free can ants lhrrg Dihedasi Iceg ale 2 ceder sing Hip 20 /2 baintaron carter ceetian c/ut etnip brown hag pnpcrsnt ir aheC glue nose sing elenirs ore era oil er reed cacao ace lnai Hem 2/hcOO/k aOl 3/4 5mb hal dere Osa ira sryrnterr ar aguica crt blue graf loam Se nec 0se white excin learn Fret cul erg clerk escteng.ule ehepe tree cnn line Ice dicreris eHe creel ir Hire pciaioe dercine ci aOq trnn lix rig sage heliliri et chaped ceding edge Preela ttlnre ic ye. neehaur minimum 01 taCt ealeerel 1/1 hrrHro erect nil center elner learn aing sweet aesily saul tan pleats ced icined stern aente% ci trw preper Siheora arge ate hard xc oh bet trek UFO T04 ee calidly net bird eerie senIle aith S stripel neacy brawn tag pcprr applied eer cuer Elmer Ole eAt cyim i/a sneer balsa 0 0/4 Hi lOy tin Frg eHge rn 1/h Ire id weed decal 7 4 Op crerd 3/P nern trial iOn up cimbe ret rerfler mined etfec inirre snap eg Leeding nags ce-aed fromMarry Widcs 3/5 1/2 uelse--cm isa readymadeWing Ilcel imp ate shape rzzzzr hengria eashunat will shepa itcet alarialilally ecee emigre aloHa pared cc per draw rg teat L-dhTog anleil Atlnr er/tingle Ite Ii lirrana sirgilll racer glue OH ice I/ic deaw Ira edge serca guas tcr urdnail tin9 re inc prcynr nasteja I/O Mee Scisa 2/tic 4 -Haraweeti dcccl Tb ci Ce sc MODEL AVIATION Mt5CT elboW rearre win-I river cee ares aereeiaar tar tHe tea 049 hIeco eeoc en inn tract 4 0 0 CD C DO 0 CR TEXT HUISIUR SCAL U SCALE HEADQUARTERS 1/S AND 1/4 SCALE MODEL FUN THE EASY WAY VISA 111lr4nThrl r#rriwEerflfl 1 Maces starring easier safer Keeps GLOW/DRIVER glaw plug harjasf yaar engine needs ir rhe masf Cannecfs berween rhe thraftle saran neceiner -t fl renorsible wifh selectable aft painf 5 Unif can dnise rwa glaw plags rams off rransmitrer aS t Oh% electranic made USA Compatiale AM FM POM radio systems Law pnwnr cansamptian Games haskap wire Less radio connector power cell ping clip Size t 7 t 2 54 Weight 54 no Part No OA $3495 $3790 in/connector $4495 ml connector & plug clip CALL complete single twin-engine twin-eplinder upslems Gines alder DUAL-OuTPuT 5, VO Ri VERSER radon tho ability reonron dimectian semno operation Installations sntaps nosier morn cononnient Pranides both normal mnanrsnd oatpat wrtkoat ase Y connector makes split elenatar two-serao arlerons dooble-semo nodder installotron saper-easy 100% electronic wrth no setap lassjast connect target Made USA works AM PM POM radio systems Ultra-law power consamption Loss radio osnanotar Sion t 6 09 Sd Weight 025 aa Part No 2U / $2495 $2790 complete in/connector ns AccssornrSwTcn pan ability add noah tanctian anp channel ant sacrificing channels ability oontrol onma Can control eleotnisol dealces drawing ap 25 amps ott 2 aalts 305 watts moolmam power dissipation micra ~essar based design onry simple setap install 0n oh paints ore selected simple dip switches LED indicator setap Unit astomotically turns off poor transmitter aS Made USA designed tar use wth AM PM ond PCM radio systems Low power consumption Less a eara Na actors Size 16 055 05 Weight t 2 00 Part No 0U $3495 $3790 radio connector OTHER PME Pitonuen * GlowDriner Multi-Cylinder Engines$4055 GlowOniner Boats 3255 GlowDriner Cars & Trocks 3255 EleoonMioer 3055 AccessorySwitch Low-Current 2455 IgoitionUsit Rocket Powered Models 3955 PowerBocksp 3655 SloSemno 2555 SernoFailSafe Moe 24 55 TkrobleSwitck w/BEC & Timer4055 PowerRegatator S Volt 1455 RetractController Electric Retracts 25 55 SernoTrigger 2455 SernoSwitch 2555 ServoEaerciser 2455 Lonnectoaava aaoro lii anon compereaysremaanuP 0 Box 3129 CORPUS CHRISTI TX 78463-3129AddSS055&H othe p odacts ova obeysOnurns isruosa & C s aeon Sne cc 36ff Sf4 6643TX Residents panes cam andboatsHa no M F ttaa ken Cnn no FAX&A Ha es 361htd 5843add 7975% Catalog CoO w teta deta 5N soon 6 cc & Tm s Sos pine ek@rmbell ensales tan Only fl US Hobby Full Line Mnetet Aimlanes Hetreonters Boats Cars -ii stuEwAg San gt5 JAGUAR 40 ARPPIPER CUB J3/ARP 40 RE PLY APPSKY BABY-S/ ARP nE//awl 50 wona conno gpg615-tO 25 GLOW IS Tk6 05062535 25 7901508 ObLE $516span er Leogtb 43 jgs55AFTEFt 5505075515meg Open 5/5 /mgm 30 Wing Sam 08 Lennik 40 WineWing Opera 45 Loa0ih 207 59399Weighn 33 ian Wri5er SOlOs. h/lbso9SWeight 75 lbsWegha 22 lbs 241w MsV rows 802 iremre6sg jiaaCremaDe gseiuCfew 9940 91 5651050 AND SISTOIEOTOSO 190019160 WELCOME flREflhItI1 1-800-249-0644 mflSiluNEOBMAhlOBa 1-201460-0644US HOBBY INC ZilDil MEMBRo 1-2014604770 WE ACCEPOn OIOA MaseR catw & etoconee cacao eetcas geaject no ettacan WtnttOuT centet snans eases MOsOan heno ceoeoonn 095 no rPM EtilOan est no gPEI ounogoun roan TOO hi FOCKOCttI5 050 seipptgo FEE 5500 lilA jstote nEolotsno aoo OSO LEO OOh US HOBBY INC 200 MOONACI4IE AVE MOONACHIEn NJ 07074 thick odorless cyanoacrylate CyA glue WeldbondTM epoxy either method join wing halves solidly set brush 50-50 thinned mix aliphatic carpenters glue water thoroughly dry sand lightly wipe down tack cloth before covering low-temp iron-on film Note should leave mid section passes through fuselage its plain brown wrapper will accept wide range assembly glues better film covering See plan Tail The surfaces sheet balsa See plan note simplest durable hinges can use small models Tail surfaces covered ironon film Leave gaps stabilizer rudder top longeron gluing takes place Servo hookup indicated use favorite method small models use dowel pushrods lashed-and-glued wire ends Note tail wheel attached relatively heavy rear fuselage post Fuselage Build basic fuselage frames right over wax-papered plan sheet Make up bulkhead formers including main bulkhead D its built-in sandwiched landing gear salvaged wheel assembly Cox E-Z Bee perfect fit original Merry Widow See sketches left plan sheet fuselage assembly order Cross-struts filler pieces Vs x balsa Note around cabin wing areas covering doublers used wing filleted Use couple triangular patches film fill open areas before covering balance fuselage trick Ive using recent reedvalve engine installations mount washers under tank lugs Spacing tanks intake /tk l/ away firewall seems make engines perform better Varying number washers under lug makes easy fine-tune thrustline Flying Reed-valve engines seem work best run tankful fuel through get loosened up needle-valve twiddling over done before attempting serious flying Because shallow angle model rest built-in wing incidence model will take off flat-footed released Its necessary raise tail takeoff small amount back stick hold tail wheel down arrow-straight tracking lifts easily air Once get take up wring out engine starts making bleating noises 100 feet altitude will let land just about anywhere choose L Clouglt Jr 1070 Upper COy Rd Pittsfield NH 03263 roce6@juno corn 36 Model Aviation om Building Servise AvajisbieCall Wrtte M[ISTR SCALEr SEND IN FOR FREE CATALOG6319 HWY 49 e MESANE NC 27302 336 562-3700St http//wwwmeister-scalecom

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