Letters 4w11p n Racing 1I~ Ri ontrol Pylon 11998iil ctioiial ares tnsert Page s sect1Onii least 12 jare inches quiredtO Fillets 12 fl crO t Nats State I11 31 Inten g Cen 1998 es Coflta dep8rtI1~ jutS on depar EtC ci rid VO theM1 ieum neWS- N MuseWflhte mode chin ind Engines am habit writing magazine editors As ASE Certified Master Automobile Technician twenty years experience working engines jcluding model glow engineS twostroke gokarts motorcycles automobile passenger car racing engines am compelled tO comment August September issues article Joe Bufln August issue contained several mjsleadiflg inaccurate statements could cause inexperienced modeler have problems lie advises heating aluminum cylinder propane torch placing steel tube over sleeve rapping hammer Im sure what hes rapping advice could easily lead inexperienced modeler towards disaster bearing removal instruction advises tapping front tearing out i/4.inch socket extension sunning steel socket extension through aluminum alloy front ousing heating tapping hammer putting crankshaft bore risk serious damage lie says reverse procedure remove rear tearing physicallY impossible rear bearing inner diameter matches crankshaft bore Any tool can fit through bore will pass throUgh center tearingber issue Joe Wagner Septem wrote column titled Engine Shop own statements apparentlY sends engines someone elses shop repairs probably wise move someone ~vocating use ViseGrips flatten threads glow head create force fit lie may have years experience playing model engines apparently has little no flowledge internal combustion theory lie begins section fourstroke model engines stating dont fly four strokes yet es tell us rest world doesnt know calculate twostroke engine displacement liis theory standard displacement calculation being correct fourstrokes twostrokes way off mark damages credibilitY magazine lie would have us believe once twostroke piston reaches exhaust port toasting displacing anything rest world ~cogniZes geometric compression effective compression ratios two strokes has othingto Displacement cal lt~ displacementcua volume cylinder can filled fuel mixture prior compression Fourstroke engines also have geometric compression vs effective compression jscrepancY due tO valve timing exhaust valve actually opens before bottom dead center would Wagners 0asting period intake valve stays open past BDC doesnt displace anything also overlap period around top dead center both valves open Wagners self proclaimed ~ngineering analysis flawed illustrates lack technical floWledge internal combustion engines hobby newcomers eager learn Most end up ~arning hard way ~rough trial error j5teningto often 0nflicting advice heard field 1 believe modelers would better served ~arning fundamental theory inteflal combustion its application model engines Once basic operating principles understood operator can make decisions regarding correct operation adjustment engine intention make opinion personal attack Mr Wagner Mr Bunn feel magazine devoted members AMA dedicated furthering growth hobby should careful selection writers hire have real expertise respective field course experience great teacher ~fortunately can also lead us down wrong path After world considered flat centuries Michael J Kupe want comment much enjoyed first appearance Joe Wagners new column Engine Shop Joe great guy write column years experience found writing style very clear point column should very useful george AbbO aleigh North CarOli Continued page 1 ArrIcd AviatiQO ers Continued page 6 Aerial Photography Thank excellent magazine would like point out amateur aerial photography neither difficult nor expensive have good shots taken aging House Balsa 2 x 6 glider K-mart one-use 35mm camera rubberbanded against fuselage under wing shutter tripped third servo via short pushrod guided through hole side Yes have land advance film takes long time take 27 pictures glider uses Cox Tee Dee 049 podmounted above wing best results trip shutter gliding wind after engine quits sample photo Checkerboard R/C flying field Maywood Illinois Gene Zdenek Woodridge Illinois Design Enclosed photo new scratchbuilt Design Ron Kaul right founder Rons RC Model Building Brookville Ohio framed 38-% aerobatic model covered UltraCote Kirbys Kustom Vinyl Graphics provided Continued page 174 1 APrice Key Fill $750C 5D 0 E 0 blanks below numbers plans wish order best handling please include requests payment some other service plans order order phone call 765 287-1256 order fax complete send form fax number 765 289-4248 I II ____ ____ ____ ____ ____ ____ Domestic customers please include $300 shipping handling Add $300 Ihave plans mailed tube Please No COD Orders Make check money order payable US funds drawn US bank to I ModelAviation AMA 5151 East Memorial Dr Muncie IN 47302 Please allowI three weeks delivery I II ENCLOSED $J Check y Order erCardNisa CARD NOEXP DATE I NAME________________________________AMA No ____________I I STREET ICITY _____________--______ STATE ____ ZIP I stomers outside us add $300 additional shipping handling per plan L SA January 1998 173 846 Professional Cut$2250 Pattern-style model Sarpolus Sachs 32 engines spans 94 inches 2 sheets NO 136FIcoelor StotnO BC Scole ttbcdol tot 2345 5-channel has both slotc tiapsC No 169Denepplone BC cotaton tannod cabin cadol kit front 1537 10-25C No 262Croshesoster CL ctash-ptsat ttaise Two sivea1535 35140 pawot No 302Mtnt F16 RC Satpclvn 549 dactod tan spas tite 2 channol Balsa wings tail tasetage attactane8 No ad112A MIss AssertS BC Old Tinnan /A Tococo Inadol 049 glow 2 channolsC No 981Gee Bee Model Vt BC Goldon Age RobOt Spans 72-in scale tot 60 psant 3 plan shoots No 702Helokol 6618 FF Scala acdot ct 1924 Gannan tnoncplano Fct HiLino Mini-h geatod olacttic octo Spans2g inA No714Mod 300kl BC aoot-ttiocdty Spas tilon tat tolocod stow flight Eccols Ico sico nanoasots 25-35 pawn Spans 60 2 plan shoots.D No720Mtnatennon FF Fnank ZeiSs papalat all-balsa-occotod ncbben-powotod wcdol takon tcw PopvlaSciosca Jane 1941 Spans 20 inA No7331941 Toptoreroft BC qoaSot-scaln danign captatos sniqao flying qoalitios tho tall-scab Taylctctah 108-inch span 2 plan ohoats o739Joaster BC Saltptano has lccks podatnsance 122-inch span inctados tall ccnsttacticn teat 3 plan sheetsP No799 Arrtbs FF Hand-hold catapalt gliden Joon AndowsA No766Perky Ten Den Itt 0paoeted BC tnadel spans 20 inchesA No 776AsrOdoetyt Secand-step FF tobbot wodol spoos tS inchosA No789Cesono 188ES Eloctoc sailplane tat Sb pawet spans 62 inchesD No 809feces Zephpr FF10 5O4pfJ tsaacks spans 50 inchesB Ne 806Tot Pitte BC sailpiano Chystensen can loanched 000 waps span 77 inches -B No807ARCSD Detoodor Class BC Scala Donation Mathows spans 70 inchesB No 898Loesh Brook BIpe Spas biplane 15-20 twO-nttoken spans 36 inchos -B No810lodtcolso BC Inaison coos tnatdod 100w wing spans 45 inchesB No611XB70 All-shoOt CL tainon/spas nodel ton tasa-valva OdOs spans 20 lashesB No 814XB39 BC Etoattic flying wing weighs ad aancos spans 04 inchas 2 sheets No819Pepto Cab BC SpaC Scate lot thtee chascets spocs SB inchosC No 818Ntbble 300 PF /sA nOaod halde Natto Poti spans 55 inches8 No819Wtndspoet BC Eleatec Bentindot Scala Owing spans SB inchesC No621Art Chester GooO FF No-Cal Scale wodel Linstnann spans te inchosA No822Otephens Abro BC Lose ptedecessan Sapalas ton 32 powo spans 90 inchesF No 82BTroteter Spas BC Inodot Bichatdsos 25 p000 spans 45 inches8 No826PIper Pownee arose FF Babbe Scale 001 Stahl spans 30 inchosA No827Neat Slop CL Aeabotca design Pyas spans 51 inchesF 80828TarbO Opeet Spas cain 01oct50 BC Bobalon spans 2hV2 inchesA 50829pleas BC 5p05 0005500 teadel tat 19-25 powe spans 40 inchesC No8308100410 Bocand-seOleg CL 21 Pata Speed spans 32 inchesB No 821SInister BC Two-Mote Soatieg teodel Oidwell spans 707 inchesC No022Boobtlp BCTnainetton45.dkpawenspansot inchesC No023PeregrIne CL SpoglSlswConnbat Aley spans 30 inchesC No024GobIlo blectic spat etodet tat goanod Spood 450 ntotcs spans 46 inchesC No020Geole Fiaadgeotaetry A-F1J FF Pallet spans 54 inchesB No02899010w Motlos Third hying-wing seties Bill Evans spans 40 inchesC No027Proebroco CL taina Dahike tat t9-35 enginas spans 25 inchesB No028NBP60 Elovtic BC Nave Oteaks Ptops spons 65 inchesF No839SwOt Old Balot FF Old-flete Oslan spons SB nahesD No 840PT3 BC Scole 00401 FnOnk Bake spans 50 inchesC No841KA1g CL prevision Aetobasca teodel TOn Bloon spans 65 inchesC No842Bpae Sport Trots BC Scate Phillip Kent ases Man 40 Satpass spans 65 inchesB No843los Boo 25 FF Coape John Oldonkatop spans 37 inchasA No844Broo6lpn Aeele BC spas ntadel Chnotino fat 30 45 twostnOkes spans 53 inchesC Ne 845troestde CL JOt Speed wsdet Je,y Thowas spass 24 inchesC Fullsize plan list available Complete listing plans previously published magazine through no 830 may obtained free Charge writing enclose 780 stamped pre-addressed #10 business size letter envelope Mode/Aviation 5151 E Memorial Dr Muncie IN 47302 Fly Continued page 6 Nationally Academy preparing recognition ceremony International Aeromodeling Center Mark calendars September 17-18 event held conjunction Society Antique Modelers National Championships Locally Academy urges clubs individuals join Pioneer Celebration special emphasis local aeromodelmg history collection preservation historical memorabilia donation museum such old photos scrapbooks important models National Model Aviation Museum will closed Sundays until Easter Hours Monday-Friday 8 am- 430 pm Saturday 10 am-4 pm Visit beautiful museum discover legacy aeromodeling Gary Prater trying put together two complete sets Model Builder magazine library could use some help have know whereabouts of following issues please donate help get us August 1974 January February March June July August September November December 1982 June 1987 July August September October November December 1987 July August September October November December 1988 MarehlApril May 1989 February April May/June July August September December 1990 February June July 1991 January November 1992 August September 1995 January Febmary March April May June August September October 1996 information please contact AMA Headquarters 765 287-1256 ext 505 Kennison Museum Librarian Carl Goldberg Models reports sadness death July 13 1997 its owner Beth Goldberg passed away California after long battle Alzheimers disease 82 years old Born Beloit Wisconsin Beth life-long participant hobby industry relatives Kapitanoffs Graniks Balabans already involved industry joined Comet Models partially-owned first cousins late 30s wasnt long before caught eye Comets young talented designer Carl Goldberg married 1940 honeymooned Nats founded namesake company Beth gladly handled office duties though years received no compensation Later business took hold Carl able fund AMAs Carl Beth Goldberg Vital People Award recognizing important contributors modeling . Beth surprised everyone early 80s building indoor model competing Nats activity thoroughly enjoyed . will remembered very bright hard-working above gracious friend everyone fortunate enough have known 4Letters Continued page 173 cosmetic finishing touches 90-inch wing custom-designed Ron high point moved forward creating fatter leading edge similar 300S ailerons extended out wingtips rolls snaps very crisp no wobbling finding center get off sticks Knife-edge performance maneuver pilots dream . have courage Landings slow predictable no funny stuff Spear 46 twin 22 x 10 prop vertical unlimited though airplane came out just over 23 pounds little heavier normal Ron week put flight number 31 enjoy flying big bird immensely Rick Arrowood Troy Ohio BILL EFFINGER SAYSI PIann PaffernTu Sets RIC Scale Models real eaSel boildors RYAN STA 90 wogopoo 010 OCOS 23 .. $2495 US Scale WACO SRE 831/2 04090900 65to 23 OlD 9C55-10$2495 I/S Seal 92 sorrgopOO I/S Scale LAKE RENEGADE 92 rorrg spars 6$ 95 OlD AMPHIBIAN 9C5$-9$2495 1/6 Scale PUSS MOTH DH-80A 73 1/2 wrog opoo 29 40 OlD SC 3 1/4 Scale PAGE RACER 941/2 wiogspoo 2 OlD_______________ 9005-2051995 I/i Scale WWICESSNA 1 701/4 Scale BRITISH SE-SA1/3 oooIe 144 soloS rpoo 801/4 10109 spars t 9 24 OlD903 5~s-RTIS GOSHAWK eogioeo1/9 ooole 73 vsssg sparsaFIIC2 9009-7 $24959065-4 1495A.94 112 50109 S900 13 to350ID ALBATROS DVAAERONCA C-3-rersoloos 90 12 Ibo solo Sc tSto23CIDt/3oooIe t44oAOgspOO69 000011 LeogTh 99 osog 0900OCQS-24$2495 orsoirses5035-7 2995 9009-17 51/6 soole orrg oporsI/S Scale FOKKER D-VII9065-7$1495LAIRD SUPER-SOLUTION 85 v4Og opors 909025 CID 0091000PIPER CUB J-3For 060 106 OlD eogioeo 553/5 ROO$-5$24951/3so01e 14tsoiogopofl 903S-2 92995osiOgopors 423/4 oosrorl 100519 NIEUPORT 28MONOCOUPE 90A9050-14$1995 5$ 1/2 solOg 0900 23 CIale 128 o005 0900..I/S Scale 9005-19$24$2995 73CESSNA12OI140 ISH SOPWITH CAMELole 77 osiog 0900 -491995 For3$to 95 OlD eogioes 84soiOg9000 23CIDe 5000-11$24P B WI-PACER9$ sOirsgp00$1995 0005-15 DE HAVILLAND DH-41/359010 119 101050900 127 sOlOg 0900 209031 OlD5029-3$2995 9005-22 29951/559010 oo opoo -3 FOKKER DR-i -a----FAIRCHILD 24 /2 10100090 .-1/95901072 1/2 10109 0900- 9005-6 .. $2499 Q-i0095-6 $1499 FOKKER D1/300010 145 1/2o/ogopoO/fTrTZj9 06 10109 spOc 750023 OlD eogloes50356 $3495 9002-19 2495GRUMMAN WIDGEON SPADC-XIII1/90001e8SsoirsgOpoO ItALtkVI.S 791/4 0009 09001390310101945 sq o 10105 ssreo-3206-E Post Woods Drive 9009-8 $27959055-8 $29951Atlonto GA 30339 174 Model Aviation 01St 03 50455 Es Precision P0 Box 158 Palmetto ft J4LU-U1 Phone 941-729-2971 941-729-6761 Home Airplanes Bob Godfrey Designer T0CWinners Carl Goldberg Models Inc Press Release
Edition: Model Aviation - 1998/01
Page Numbers: 6, 173, 174
Letters 4w11p n Racing 1I~ Ri ontrol Pylon 11998iil ctioiial ares tnsert Page s sect1Onii least 12 jare inches quiredtO Fillets 12 fl crO t Nats State I11 31 Inten g Cen 1998 es Coflta dep8rtI1~ jutS on depar EtC ci rid VO theM1 ieum neWS- N MuseWflhte mode chin ind Engines am habit writing magazine editors As ASE Certified Master Automobile Technician twenty years experience working engines jcluding model glow engineS twostroke gokarts motorcycles automobile passenger car racing engines am compelled tO comment August September issues article Joe Bufln August issue contained several mjsleadiflg inaccurate statements could cause inexperienced modeler have problems lie advises heating aluminum cylinder propane torch placing steel tube over sleeve rapping hammer Im sure what hes rapping advice could easily lead inexperienced modeler towards disaster bearing removal instruction advises tapping front tearing out i/4.inch socket extension sunning steel socket extension through aluminum alloy front ousing heating tapping hammer putting crankshaft bore risk serious damage lie says reverse procedure remove rear tearing physicallY impossible rear bearing inner diameter matches crankshaft bore Any tool can fit through bore will pass throUgh center tearingber issue Joe Wagner Septem wrote column titled Engine Shop own statements apparentlY sends engines someone elses shop repairs probably wise move someone ~vocating use ViseGrips flatten threads glow head create force fit lie may have years experience playing model engines apparently has little no flowledge internal combustion theory lie begins section fourstroke model engines stating dont fly four strokes yet es tell us rest world doesnt know calculate twostroke engine displacement liis theory standard displacement calculation being correct fourstrokes twostrokes way off mark damages credibilitY magazine lie would have us believe once twostroke piston reaches exhaust port toasting displacing anything rest world ~cogniZes geometric compression effective compression ratios two strokes has othingto Displacement cal lt~ displacementcua volume cylinder can filled fuel mixture prior compression Fourstroke engines also have geometric compression vs effective compression jscrepancY due tO valve timing exhaust valve actually opens before bottom dead center would Wagners 0asting period intake valve stays open past BDC doesnt displace anything also overlap period around top dead center both valves open Wagners self proclaimed ~ngineering analysis flawed illustrates lack technical floWledge internal combustion engines hobby newcomers eager learn Most end up ~arning hard way ~rough trial error j5teningto often 0nflicting advice heard field 1 believe modelers would better served ~arning fundamental theory inteflal combustion its application model engines Once basic operating principles understood operator can make decisions regarding correct operation adjustment engine intention make opinion personal attack Mr Wagner Mr Bunn feel magazine devoted members AMA dedicated furthering growth hobby should careful selection writers hire have real expertise respective field course experience great teacher ~fortunately can also lead us down wrong path After world considered flat centuries Michael J Kupe want comment much enjoyed first appearance Joe Wagners new column Engine Shop Joe great guy write column years experience found writing style very clear point column should very useful george AbbO aleigh North CarOli Continued page 1 ArrIcd AviatiQO ers Continued page 6 Aerial Photography Thank excellent magazine would like point out amateur aerial photography neither difficult nor expensive have good shots taken aging House Balsa 2 x 6 glider K-mart one-use 35mm camera rubberbanded against fuselage under wing shutter tripped third servo via short pushrod guided through hole side Yes have land advance film takes long time take 27 pictures glider uses Cox Tee Dee 049 podmounted above wing best results trip shutter gliding wind after engine quits sample photo Checkerboard R/C flying field Maywood Illinois Gene Zdenek Woodridge Illinois Design Enclosed photo new scratchbuilt Design Ron Kaul right founder Rons RC Model Building Brookville Ohio framed 38-% aerobatic model covered UltraCote Kirbys Kustom Vinyl Graphics provided Continued page 174 1 APrice Key Fill $750C 5D 0 E 0 blanks below numbers plans wish order best handling please include requests payment some other service plans order order phone call 765 287-1256 order fax complete send form fax number 765 289-4248 I II ____ ____ ____ ____ ____ ____ Domestic customers please include $300 shipping handling Add $300 Ihave plans mailed tube Please No COD Orders Make check money order payable US funds drawn US bank to I ModelAviation AMA 5151 East Memorial Dr Muncie IN 47302 Please allowI three weeks delivery I II ENCLOSED $J Check y Order erCardNisa CARD NOEXP DATE I NAME________________________________AMA No ____________I I STREET ICITY _____________--______ STATE ____ ZIP I stomers outside us add $300 additional shipping handling per plan L SA January 1998 173 846 Professional Cut$2250 Pattern-style model Sarpolus Sachs 32 engines spans 94 inches 2 sheets NO 136FIcoelor StotnO BC Scole ttbcdol tot 2345 5-channel has both slotc tiapsC No 169Denepplone BC cotaton tannod cabin cadol kit front 1537 10-25C No 262Croshesoster CL ctash-ptsat ttaise Two sivea1535 35140 pawot No 302Mtnt F16 RC Satpclvn 549 dactod tan spas tite 2 channol Balsa wings tail tasetage attactane8 No ad112A MIss AssertS BC Old Tinnan /A Tococo Inadol 049 glow 2 channolsC No 981Gee Bee Model Vt BC Goldon Age RobOt Spans 72-in scale tot 60 psant 3 plan shoots No 702Helokol 6618 FF Scala acdot ct 1924 Gannan tnoncplano Fct HiLino Mini-h geatod olacttic octo Spans2g inA No714Mod 300kl BC aoot-ttiocdty Spas tilon tat tolocod stow flight Eccols Ico sico nanoasots 25-35 pawn Spans 60 2 plan shoots.D No720Mtnatennon FF Fnank ZeiSs papalat all-balsa-occotod ncbben-powotod wcdol takon tcw PopvlaSciosca Jane 1941 Spans 20 inA No7331941 Toptoreroft BC qoaSot-scaln danign captatos sniqao flying qoalitios tho tall-scab Taylctctah 108-inch span 2 plan ohoats o739Joaster BC Saltptano has lccks podatnsance 122-inch span inctados tall ccnsttacticn teat 3 plan sheetsP No799 Arrtbs FF Hand-hold catapalt gliden Joon AndowsA No766Perky Ten Den Itt 0paoeted BC tnadel spans 20 inchesA No 776AsrOdoetyt Secand-step FF tobbot wodol spoos tS inchosA No789Cesono 188ES Eloctoc sailplane tat Sb pawet spans 62 inchesD No 809feces Zephpr FF10 5O4pfJ tsaacks spans 50 inchesB Ne 806Tot Pitte BC sailpiano Chystensen can loanched 000 waps span 77 inches -B No807ARCSD Detoodor Class BC Scala Donation Mathows spans 70 inchesB No 898Loesh Brook BIpe Spas biplane 15-20 twO-nttoken spans 36 inchos -B No810lodtcolso BC Inaison coos tnatdod 100w wing spans 45 inchesB No611XB70 All-shoOt CL tainon/spas nodel ton tasa-valva OdOs spans 20 lashesB No 814XB39 BC Etoattic flying wing weighs ad aancos spans 04 inchas 2 sheets No819Pepto Cab BC SpaC Scate lot thtee chascets spocs SB inchosC No 818Ntbble 300 PF /sA nOaod halde Natto Poti spans 55 inches8 No819Wtndspoet BC Eleatec Bentindot Scala Owing spans SB inchesC No621Art Chester GooO FF No-Cal Scale wodel Linstnann spans te inchosA No822Otephens Abro BC Lose ptedecessan Sapalas ton 32 powo spans 90 inchesF No 82BTroteter Spas BC Inodot Bichatdsos 25 p000 spans 45 inches8 No826PIper Pownee arose FF Babbe Scale 001 Stahl spans 30 inchosA No827Neat Slop CL Aeabotca design Pyas spans 51 inchesF 80828TarbO Opeet Spas cain 01oct50 BC Bobalon spans 2hV2 inchesA 50829pleas BC 5p05 0005500 teadel tat 19-25 powe spans 40 inchesC No8308100410 Bocand-seOleg CL 21 Pata Speed spans 32 inchesB No 821SInister BC Two-Mote Soatieg teodel Oidwell spans 707 inchesC No022Boobtlp BCTnainetton45.dkpawenspansot inchesC No023PeregrIne CL SpoglSlswConnbat Aley spans 30 inchesC No024GobIlo blectic spat etodet tat goanod Spood 450 ntotcs spans 46 inchesC No020Geole Fiaadgeotaetry A-F1J FF Pallet spans 54 inchesB No02899010w Motlos Third hying-wing seties Bill Evans spans 40 inchesC No027Proebroco CL taina Dahike tat t9-35 enginas spans 25 inchesB No028NBP60 Elovtic BC Nave Oteaks Ptops spons 65 inchesF No839SwOt Old Balot FF Old-flete Oslan spons SB nahesD No 840PT3 BC Scole 00401 FnOnk Bake spans 50 inchesC No841KA1g CL prevision Aetobasca teodel TOn Bloon spans 65 inchesC No842Bpae Sport Trots BC Scate Phillip Kent ases Man 40 Satpass spans 65 inchesB No843los Boo 25 FF Coape John Oldonkatop spans 37 inchasA No844Broo6lpn Aeele BC spas ntadel Chnotino fat 30 45 twostnOkes spans 53 inchesC Ne 845troestde CL JOt Speed wsdet Je,y Thowas spass 24 inchesC Fullsize plan list available Complete listing plans previously published magazine through no 830 may obtained free Charge writing enclose 780 stamped pre-addressed #10 business size letter envelope Mode/Aviation 5151 E Memorial Dr Muncie IN 47302 Fly Continued page 6 Nationally Academy preparing recognition ceremony International Aeromodeling Center Mark calendars September 17-18 event held conjunction Society Antique Modelers National Championships Locally Academy urges clubs individuals join Pioneer Celebration special emphasis local aeromodelmg history collection preservation historical memorabilia donation museum such old photos scrapbooks important models National Model Aviation Museum will closed Sundays until Easter Hours Monday-Friday 8 am- 430 pm Saturday 10 am-4 pm Visit beautiful museum discover legacy aeromodeling Gary Prater trying put together two complete sets Model Builder magazine library could use some help have know whereabouts of following issues please donate help get us August 1974 January February March June July August September November December 1982 June 1987 July August September October November December 1987 July August September October November December 1988 MarehlApril May 1989 February April May/June July August September December 1990 February June July 1991 January November 1992 August September 1995 January Febmary March April May June August September October 1996 information please contact AMA Headquarters 765 287-1256 ext 505 Kennison Museum Librarian Carl Goldberg Models reports sadness death July 13 1997 its owner Beth Goldberg passed away California after long battle Alzheimers disease 82 years old Born Beloit Wisconsin Beth life-long participant hobby industry relatives Kapitanoffs Graniks Balabans already involved industry joined Comet Models partially-owned first cousins late 30s wasnt long before caught eye Comets young talented designer Carl Goldberg married 1940 honeymooned Nats founded namesake company Beth gladly handled office duties though years received no compensation Later business took hold Carl able fund AMAs Carl Beth Goldberg Vital People Award recognizing important contributors modeling . Beth surprised everyone early 80s building indoor model competing Nats activity thoroughly enjoyed . will remembered very bright hard-working above gracious friend everyone fortunate enough have known 4Letters Continued page 173 cosmetic finishing touches 90-inch wing custom-designed Ron high point moved forward creating fatter leading edge similar 300S ailerons extended out wingtips rolls snaps very crisp no wobbling finding center get off sticks Knife-edge performance maneuver pilots dream . have courage Landings slow predictable no funny stuff Spear 46 twin 22 x 10 prop vertical unlimited though airplane came out just over 23 pounds little heavier normal Ron week put flight number 31 enjoy flying big bird immensely Rick Arrowood Troy Ohio BILL EFFINGER SAYSI PIann PaffernTu Sets RIC Scale Models real eaSel boildors RYAN STA 90 wogopoo 010 OCOS 23 .. $2495 US Scale WACO SRE 831/2 04090900 65to 23 OlD 9C55-10$2495 I/S Seal 92 sorrgopOO I/S Scale LAKE RENEGADE 92 rorrg spars 6$ 95 OlD AMPHIBIAN 9C5$-9$2495 1/6 Scale PUSS MOTH DH-80A 73 1/2 wrog opoo 29 40 OlD SC 3 1/4 Scale PAGE RACER 941/2 wiogspoo 2 OlD_______________ 9005-2051995 I/i Scale WWICESSNA 1 701/4 Scale BRITISH SE-SA1/3 oooIe 144 soloS rpoo 801/4 10109 spars t 9 24 OlD903 5~s-RTIS GOSHAWK eogioeo1/9 ooole 73 vsssg sparsaFIIC2 9009-7 $24959065-4 1495A.94 112 50109 S900 13 to350ID ALBATROS DVAAERONCA C-3-rersoloos 90 12 Ibo solo Sc tSto23CIDt/3oooIe t44oAOgspOO69 000011 LeogTh 99 osog 0900OCQS-24$2495 orsoirses5035-7 2995 9009-17 51/6 soole orrg oporsI/S Scale FOKKER D-VII9065-7$1495LAIRD SUPER-SOLUTION 85 v4Og opors 909025 CID 0091000PIPER CUB J-3For 060 106 OlD eogioeo 553/5 ROO$-5$24951/3so01e 14tsoiogopofl 903S-2 92995osiOgopors 423/4 oosrorl 100519 NIEUPORT 28MONOCOUPE 90A9050-14$1995 5$ 1/2 solOg 0900 23 CIale 128 o005 0900..I/S Scale 9005-19$24$2995 73CESSNA12OI140 ISH SOPWITH CAMELole 77 osiog 0900 -491995 For3$to 95 OlD eogioes 84soiOg9000 23CIDe 5000-11$24P B WI-PACER9$ sOirsgp00$1995 0005-15 DE HAVILLAND DH-41/359010 119 101050900 127 sOlOg 0900 209031 OlD5029-3$2995 9005-22 29951/559010 oo opoo -3 FOKKER DR-i -a----FAIRCHILD 24 /2 10100090 .-1/95901072 1/2 10109 0900- 9005-6 .. $2499 Q-i0095-6 $1499 FOKKER D1/300010 145 1/2o/ogopoO/fTrTZj9 06 10109 spOc 750023 OlD eogloes50356 $3495 9002-19 2495GRUMMAN WIDGEON SPADC-XIII1/90001e8SsoirsgOpoO ItALtkVI.S 791/4 0009 09001390310101945 sq o 10105 ssreo-3206-E Post Woods Drive 9009-8 $27959055-8 $29951Atlonto GA 30339 174 Model Aviation 01St 03 50455 Es Precision P0 Box 158 Palmetto ft J4LU-U1 Phone 941-729-2971 941-729-6761 Home Airplanes Bob Godfrey Designer T0CWinners Carl Goldberg Models Inc Press Release
Edition: Model Aviation - 1998/01
Page Numbers: 6, 173, 174
Letters 4w11p n Racing 1I~ Ri ontrol Pylon 11998iil ctioiial ares tnsert Page s sect1Onii least 12 jare inches quiredtO Fillets 12 fl crO t Nats State I11 31 Inten g Cen 1998 es Coflta dep8rtI1~ jutS on depar EtC ci rid VO theM1 ieum neWS- N MuseWflhte mode chin ind Engines am habit writing magazine editors As ASE Certified Master Automobile Technician twenty years experience working engines jcluding model glow engineS twostroke gokarts motorcycles automobile passenger car racing engines am compelled tO comment August September issues article Joe Bufln August issue contained several mjsleadiflg inaccurate statements could cause inexperienced modeler have problems lie advises heating aluminum cylinder propane torch placing steel tube over sleeve rapping hammer Im sure what hes rapping advice could easily lead inexperienced modeler towards disaster bearing removal instruction advises tapping front tearing out i/4.inch socket extension sunning steel socket extension through aluminum alloy front ousing heating tapping hammer putting crankshaft bore risk serious damage lie says reverse procedure remove rear tearing physicallY impossible rear bearing inner diameter matches crankshaft bore Any tool can fit through bore will pass throUgh center tearingber issue Joe Wagner Septem wrote column titled Engine Shop own statements apparentlY sends engines someone elses shop repairs probably wise move someone ~vocating use ViseGrips flatten threads glow head create force fit lie may have years experience playing model engines apparently has little no flowledge internal combustion theory lie begins section fourstroke model engines stating dont fly four strokes yet es tell us rest world doesnt know calculate twostroke engine displacement liis theory standard displacement calculation being correct fourstrokes twostrokes way off mark damages credibilitY magazine lie would have us believe once twostroke piston reaches exhaust port toasting displacing anything rest world ~cogniZes geometric compression effective compression ratios two strokes has othingto Displacement cal lt~ displacementcua volume cylinder can filled fuel mixture prior compression Fourstroke engines also have geometric compression vs effective compression jscrepancY due tO valve timing exhaust valve actually opens before bottom dead center would Wagners 0asting period intake valve stays open past BDC doesnt displace anything also overlap period around top dead center both valves open Wagners self proclaimed ~ngineering analysis flawed illustrates lack technical floWledge internal combustion engines hobby newcomers eager learn Most end up ~arning hard way ~rough trial error j5teningto often 0nflicting advice heard field 1 believe modelers would better served ~arning fundamental theory inteflal combustion its application model engines Once basic operating principles understood operator can make decisions regarding correct operation adjustment engine intention make opinion personal attack Mr Wagner Mr Bunn feel magazine devoted members AMA dedicated furthering growth hobby should careful selection writers hire have real expertise respective field course experience great teacher ~fortunately can also lead us down wrong path After world considered flat centuries Michael J Kupe want comment much enjoyed first appearance Joe Wagners new column Engine Shop Joe great guy write column years experience found writing style very clear point column should very useful george AbbO aleigh North CarOli Continued page 1 ArrIcd AviatiQO ers Continued page 6 Aerial Photography Thank excellent magazine would like point out amateur aerial photography neither difficult nor expensive have good shots taken aging House Balsa 2 x 6 glider K-mart one-use 35mm camera rubberbanded against fuselage under wing shutter tripped third servo via short pushrod guided through hole side Yes have land advance film takes long time take 27 pictures glider uses Cox Tee Dee 049 podmounted above wing best results trip shutter gliding wind after engine quits sample photo Checkerboard R/C flying field Maywood Illinois Gene Zdenek Woodridge Illinois Design Enclosed photo new scratchbuilt Design Ron Kaul right founder Rons RC Model Building Brookville Ohio framed 38-% aerobatic model covered UltraCote Kirbys Kustom Vinyl Graphics provided Continued page 174 1 APrice Key Fill $750C 5D 0 E 0 blanks below numbers plans wish order best handling please include requests payment some other service plans order order phone call 765 287-1256 order fax complete send form fax number 765 289-4248 I II ____ ____ ____ ____ ____ ____ Domestic customers please include $300 shipping handling Add $300 Ihave plans mailed tube Please No COD Orders Make check money order payable US funds drawn US bank to I ModelAviation AMA 5151 East Memorial Dr Muncie IN 47302 Please allowI three weeks delivery I II ENCLOSED $J Check y Order erCardNisa CARD NOEXP DATE I NAME________________________________AMA No ____________I I STREET ICITY _____________--______ STATE ____ ZIP I stomers outside us add $300 additional shipping handling per plan L SA January 1998 173 846 Professional Cut$2250 Pattern-style model Sarpolus Sachs 32 engines spans 94 inches 2 sheets NO 136FIcoelor StotnO BC Scole ttbcdol tot 2345 5-channel has both slotc tiapsC No 169Denepplone BC cotaton tannod cabin cadol kit front 1537 10-25C No 262Croshesoster CL ctash-ptsat ttaise Two sivea1535 35140 pawot No 302Mtnt F16 RC Satpclvn 549 dactod tan spas tite 2 channol Balsa wings tail tasetage attactane8 No ad112A MIss AssertS BC Old Tinnan /A Tococo Inadol 049 glow 2 channolsC No 981Gee Bee Model Vt BC Goldon Age RobOt Spans 72-in scale tot 60 psant 3 plan shoots No 702Helokol 6618 FF Scala acdot ct 1924 Gannan tnoncplano Fct HiLino Mini-h geatod olacttic octo Spans2g inA No714Mod 300kl BC aoot-ttiocdty Spas tilon tat tolocod stow flight Eccols Ico sico nanoasots 25-35 pawn Spans 60 2 plan shoots.D No720Mtnatennon FF Fnank ZeiSs papalat all-balsa-occotod ncbben-powotod wcdol takon tcw PopvlaSciosca Jane 1941 Spans 20 inA No7331941 Toptoreroft BC qoaSot-scaln danign captatos sniqao flying qoalitios tho tall-scab Taylctctah 108-inch span 2 plan ohoats o739Joaster BC Saltptano has lccks podatnsance 122-inch span inctados tall ccnsttacticn teat 3 plan sheetsP No799 Arrtbs FF Hand-hold catapalt gliden Joon AndowsA No766Perky Ten Den Itt 0paoeted BC tnadel spans 20 inchesA No 776AsrOdoetyt Secand-step FF tobbot wodol spoos tS inchosA No789Cesono 188ES Eloctoc sailplane tat Sb pawet spans 62 inchesD No 809feces Zephpr FF10 5O4pfJ tsaacks spans 50 inchesB Ne 806Tot Pitte BC sailpiano Chystensen can loanched 000 waps span 77 inches -B No807ARCSD Detoodor Class BC Scala Donation Mathows spans 70 inchesB No 898Loesh Brook BIpe Spas biplane 15-20 twO-nttoken spans 36 inchos -B No810lodtcolso BC Inaison coos tnatdod 100w wing spans 45 inchesB No611XB70 All-shoOt CL tainon/spas nodel ton tasa-valva OdOs spans 20 lashesB No 814XB39 BC Etoattic flying wing weighs ad aancos spans 04 inchas 2 sheets No819Pepto Cab BC SpaC Scate lot thtee chascets spocs SB inchosC No 818Ntbble 300 PF /sA nOaod halde Natto Poti spans 55 inches8 No819Wtndspoet BC Eleatec Bentindot Scala Owing spans SB inchesC No621Art Chester GooO FF No-Cal Scale wodel Linstnann spans te inchosA No822Otephens Abro BC Lose ptedecessan Sapalas ton 32 powo spans 90 inchesF No 82BTroteter Spas BC Inodot Bichatdsos 25 p000 spans 45 inches8 No826PIper Pownee arose FF Babbe Scale 001 Stahl spans 30 inchosA No827Neat Slop CL Aeabotca design Pyas spans 51 inchesF 80828TarbO Opeet Spas cain 01oct50 BC Bobalon spans 2hV2 inchesA 50829pleas BC 5p05 0005500 teadel tat 19-25 powe spans 40 inchesC No8308100410 Bocand-seOleg CL 21 Pata Speed spans 32 inchesB No 821SInister BC Two-Mote Soatieg teodel Oidwell spans 707 inchesC No022Boobtlp BCTnainetton45.dkpawenspansot inchesC No023PeregrIne CL SpoglSlswConnbat Aley spans 30 inchesC No024GobIlo blectic spat etodet tat goanod Spood 450 ntotcs spans 46 inchesC No020Geole Fiaadgeotaetry A-F1J FF Pallet spans 54 inchesB No02899010w Motlos Third hying-wing seties Bill Evans spans 40 inchesC No027Proebroco CL taina Dahike tat t9-35 enginas spans 25 inchesB No028NBP60 Elovtic BC Nave Oteaks Ptops spons 65 inchesF No839SwOt Old Balot FF Old-flete Oslan spons SB nahesD No 840PT3 BC Scole 00401 FnOnk Bake spans 50 inchesC No841KA1g CL prevision Aetobasca teodel TOn Bloon spans 65 inchesC No842Bpae Sport Trots BC Scate Phillip Kent ases Man 40 Satpass spans 65 inchesB No843los Boo 25 FF Coape John Oldonkatop spans 37 inchasA No844Broo6lpn Aeele BC spas ntadel Chnotino fat 30 45 twostnOkes spans 53 inchesC Ne 845troestde CL JOt Speed wsdet Je,y Thowas spass 24 inchesC Fullsize plan list available Complete listing plans previously published magazine through no 830 may obtained free Charge writing enclose 780 stamped pre-addressed #10 business size letter envelope Mode/Aviation 5151 E Memorial Dr Muncie IN 47302 Fly Continued page 6 Nationally Academy preparing recognition ceremony International Aeromodeling Center Mark calendars September 17-18 event held conjunction Society Antique Modelers National Championships Locally Academy urges clubs individuals join Pioneer Celebration special emphasis local aeromodelmg history collection preservation historical memorabilia donation museum such old photos scrapbooks important models National Model Aviation Museum will closed Sundays until Easter Hours Monday-Friday 8 am- 430 pm Saturday 10 am-4 pm Visit beautiful museum discover legacy aeromodeling Gary Prater trying put together two complete sets Model Builder magazine library could use some help have know whereabouts of following issues please donate help get us August 1974 January February March June July August September November December 1982 June 1987 July August September October November December 1987 July August September October November December 1988 MarehlApril May 1989 February April May/June July August September December 1990 February June July 1991 January November 1992 August September 1995 January Febmary March April May June August September October 1996 information please contact AMA Headquarters 765 287-1256 ext 505 Kennison Museum Librarian Carl Goldberg Models reports sadness death July 13 1997 its owner Beth Goldberg passed away California after long battle Alzheimers disease 82 years old Born Beloit Wisconsin Beth life-long participant hobby industry relatives Kapitanoffs Graniks Balabans already involved industry joined Comet Models partially-owned first cousins late 30s wasnt long before caught eye Comets young talented designer Carl Goldberg married 1940 honeymooned Nats founded namesake company Beth gladly handled office duties though years received no compensation Later business took hold Carl able fund AMAs Carl Beth Goldberg Vital People Award recognizing important contributors modeling . Beth surprised everyone early 80s building indoor model competing Nats activity thoroughly enjoyed . will remembered very bright hard-working above gracious friend everyone fortunate enough have known 4Letters Continued page 173 cosmetic finishing touches 90-inch wing custom-designed Ron high point moved forward creating fatter leading edge similar 300S ailerons extended out wingtips rolls snaps very crisp no wobbling finding center get off sticks Knife-edge performance maneuver pilots dream . have courage Landings slow predictable no funny stuff Spear 46 twin 22 x 10 prop vertical unlimited though airplane came out just over 23 pounds little heavier normal Ron week put flight number 31 enjoy flying big bird immensely Rick Arrowood Troy Ohio BILL EFFINGER SAYSI PIann PaffernTu Sets RIC Scale Models real eaSel boildors RYAN STA 90 wogopoo 010 OCOS 23 .. $2495 US Scale WACO SRE 831/2 04090900 65to 23 OlD 9C55-10$2495 I/S Seal 92 sorrgopOO I/S Scale LAKE RENEGADE 92 rorrg spars 6$ 95 OlD AMPHIBIAN 9C5$-9$2495 1/6 Scale PUSS MOTH DH-80A 73 1/2 wrog opoo 29 40 OlD SC 3 1/4 Scale PAGE RACER 941/2 wiogspoo 2 OlD_______________ 9005-2051995 I/i Scale WWICESSNA 1 701/4 Scale BRITISH SE-SA1/3 oooIe 144 soloS rpoo 801/4 10109 spars t 9 24 OlD903 5~s-RTIS GOSHAWK eogioeo1/9 ooole 73 vsssg sparsaFIIC2 9009-7 $24959065-4 1495A.94 112 50109 S900 13 to350ID ALBATROS DVAAERONCA C-3-rersoloos 90 12 Ibo solo Sc tSto23CIDt/3oooIe t44oAOgspOO69 000011 LeogTh 99 osog 0900OCQS-24$2495 orsoirses5035-7 2995 9009-17 51/6 soole orrg oporsI/S Scale FOKKER D-VII9065-7$1495LAIRD SUPER-SOLUTION 85 v4Og opors 909025 CID 0091000PIPER CUB J-3For 060 106 OlD eogioeo 553/5 ROO$-5$24951/3so01e 14tsoiogopofl 903S-2 92995osiOgopors 423/4 oosrorl 100519 NIEUPORT 28MONOCOUPE 90A9050-14$1995 5$ 1/2 solOg 0900 23 CIale 128 o005 0900..I/S Scale 9005-19$24$2995 73CESSNA12OI140 ISH SOPWITH CAMELole 77 osiog 0900 -491995 For3$to 95 OlD eogioes 84soiOg9000 23CIDe 5000-11$24P B WI-PACER9$ sOirsgp00$1995 0005-15 DE HAVILLAND DH-41/359010 119 101050900 127 sOlOg 0900 209031 OlD5029-3$2995 9005-22 29951/559010 oo opoo -3 FOKKER DR-i -a----FAIRCHILD 24 /2 10100090 .-1/95901072 1/2 10109 0900- 9005-6 .. $2499 Q-i0095-6 $1499 FOKKER D1/300010 145 1/2o/ogopoO/fTrTZj9 06 10109 spOc 750023 OlD eogloes50356 $3495 9002-19 2495GRUMMAN WIDGEON SPADC-XIII1/90001e8SsoirsgOpoO ItALtkVI.S 791/4 0009 09001390310101945 sq o 10105 ssreo-3206-E Post Woods Drive 9009-8 $27959055-8 $29951Atlonto GA 30339 174 Model Aviation 01St 03 50455 Es Precision P0 Box 158 Palmetto ft J4LU-U1 Phone 941-729-2971 941-729-6761 Home Airplanes Bob Godfrey Designer T0CWinners Carl Goldberg Models Inc Press Release