Radio Control SPORT AEROBA TICS Ron Van Putte ITS NEWSLEYIIER MONTH oppor tunity share gem gleaned among newsletters received clubs across country addition couple updates effects lightning RC receiver Lets begin slightly-edited maneu ver description unknown author appeared newsletter Thun dervolts Schenectady NY goes like Although Figure 9 popular maneuvers performed RC fliers often poorly executed have witnessed instances vital portion maneuver par tial loop completely omitted otherwise spectacular performance cause anything worth doing worth doing correctly feel its about time someone stepped forward attempt correct situation mind shall attempt break Figure 9 up its components talk through maneuver striving perfecton will found delicate combination proper airspeed control inputs essential Abrupt corrections avoided since greatly diminish gracefulness maneuver Also things precision must absolutely certain equipment up task radio must range-checked servos link ages should working flawlessly important engine should tuned maximum scream aircraft held nose-down position dont want sag during important part maneuver Phase 1 Entry should downwind best started directly out Split-S remember speed determining factor success maneuver Entry altitude very critical two four feet seems work best Experience will determine what best Phase 2 Pull Up should nice gradual upward sweepwings levelsmooth lift-off serves two pur poses first tends bleed off too much airspeed second gives everyone little extra time turn around what doing case low entry didnt get attention witnesss stick manship Phase 3 Over Top super screamer now its back Tighten up little back pressure stick Relax stick little comes around verticalabout now shell really mov ing Phase 4 Plunge Let plane continue around until about 300 vertical would helpful point have flying buddies taxi 48 NAn-I Aviation beautiful Hippo Tipo tiown Dy norm wrnTue r.uuuur MPB MS Expert class t. AL contest subsequently advanced Master class New Orleans LA Look out rshes good nni owvu oiiu Bootlegger 83 MaerL SmCflL youve got problemslet best help can Chuck Shade tries sort out engine problems Don Lowes aid 83 Masters Tournament Chuck finished 17th plane between legs hand-launch powered glider past right ear dis traction could give decided edge overall success maneuver impor tant point stay off rudder avoid gross aileron controls yawproducing inputs will tend detract overall results Phase 5 Impact Actually due its short duration impact can hardly considered phase However some pilots sort time-shift occurs cases slow-motion scene slowly drifts across field can see pride joy disintegrate piece broken piece vithout time-shift phenomenon can usually conjure up instant replay sim ply closing eyes few seconds Anyway back Impact efforts really pay off everything done described plane should meet ground 300 angle neatly impaling fuel tank battery pack receiver engine crankshaft might considered bonus have two servos likewise skewered largely matter luck finale nor mally assisted hitting rock within five miles IP thats impact point new RC Thats about except should mention 300 impact angle has found about optimum Although angle up 450 can produce spectacular results much experimentation has shown 30 adds just about right horizontal component plunge doesnt sacrifice undue amount speed produces largest area destruction Remember practice practice practice wish knew anonymous author certainly owe him debt gratitude valuable addition pattern ma neuver descriptions need perfect flying techniques After reporting incident lightning interference October 1983 column received several responses George M Myers MAs Radio Tech nique columnist wrote Lightning electric discharge high voltage amperage hence high power Because has nature electrical arc dis charge has oscillatory characteristic Continued page 140 40 SIZETHE JC TRAINERS LITTLE SUPER Build half time Jig built balsa fuselage 90% built wing Full size plans LUCKY FLY II Decal forms Windshield Escelient instructions first time builder REG $1199560 Size SPECIAL $9995SPECIAL 899540 Size 60 Super Lucky Fly II 40 Little SuparLucky Fly II both superb air-20 Size craft sport pattern flyers Prealigned fuselage foam wing 1/64 plywood covering makes either Lucky Fly II easy build easy fly Regular $8995 Regular $7995 Regular $5495 SPECIAL $6995 SPECIAL $5995 SPECIAL $3995 Ready-Built 1/64 Plywood Covered Wing 60 SIZE SUPER LUCKY FLY II REG $12995 March 1984 4Q ulli flOmas L Bill Cunningham Bartiesviiie OK take time out 83 Masters Tournament Cunningham finished 13th Thomas 26th out 45 Cunninghams XLT foreground SPECIAL THIS MONTH ONLY! SEND $500 FOR 8x10I COLOR PHOTO OF ANY MODEL & CATALOGUE Perma-Grit TM Lifetime * Tungsten Carbide grit hardest material next diamondl * Outlasts sandpaper 100s times * Tools will load up * Grit cant tear loose * Makes fitting blending fairing pleasure * Fairs LE TE foam undercutting * Rapid stock Removal better control * Saves time money aggravation * Replaces plane knite rasp & sanding blocks excellent tools modeler can use Don Lowe Pro tessional Engineer Ask Dealer send check MO No CODs DG Products 209 Carrlands Dr Dayton OH 45429 513 294-1192 RC Scale/Wischers Continued page 137 piece could replaced /16-in ply no sacrifice weight gain strength Landing gears certainly subject abuse damage minor accident After first landing mishap time has come increase strength example brass-tube struts can changed steel Brass may quickly accessible hardware stores hobby shops steel has longer life high stress applications Air craft steel tubing other hand doesnt telescope successive sizes brass tube bit harder find airports air craft supply dealers worthwhile search better material Aluminum tubing can used single-strut-type land ing gears provided alloy pure aluminum soft aluminum tubing sold hardware stores less satisfactory brass unless very heavy wall thicknesses used Preferred aluminum tube 2024-T3 alloy 6061-T6 second choice proper choice wall thicknesses aluminum tubes will telescope Local steel supply houses carry alloy aluminum tubes First flights after major repair very similar very first new model mixed feelings anticipation apprehension goes well usual case elation follows Resurrection model unsightly mess pro vides satisfaction equal completion Paul Clements Presents BEAUTIFUL 84A&6 AWARD-WINNING COMPETITOR AMA 5 FAI PATTERN DESIGN \ gsten carbide grit brazed steel 9 long tool use balsa hardwoods fiberglass beaded foams epoxy fillers plexiglas Made IJSA Average Modelers Use F100Flat Coarse/Fine$695 F-101 Flat Fine$695 F-102Flat Course$695 R-200 Redius Course/Fine$695 1201 Tangent Coerse/Fine$695 E202RoundCourse/Fine$625 R-203 1/2 Hound Coarse/fine$495 1204 t/a Round Course/Fine$495 Postage Paid Oho residents add 6% tax new aircraft Bob Dolly Wiseher S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued tram oaoe 49 gives off electromagnetic vibrations can occupy frequencies DC out through light frequencies radiations presented RC receivers antenna receivers RF circuits have some ability reject unwanted signals ability limited power levels vicinity design power level control transmitter presented stronger signals signals may overload receivers filters force way through set pro ducing interference extreme cases currents induced lightning can physical damage active parts circuit melting down transistors ICs punching holes low-voltage capacitors Whether happens depends primarily distance between RC receiver lightning bolt general see lightning bolts shouldnt flying Its easy deter electrical storm approach ing Any broadcast-band AM receiver will crackle sputter response lightning bolts tens miles away Hearing such noises should warning enough Gary Malchus Milford UT wrote have worked National Weather Ser Designed Manufactured Paul Clements KITTY IAWI MODELI RR 2 Pauli lAd 47454 Phone 812 7233601 WING SPAN ING AREA 704 sq inBasic Kit $9895 MOTOR u 0 Deluxe Kit $14995 WEIGHTs 9 lbs BASIC KIT INCLUDEs F5erglass fuselage bulkhead installed molded fin foam wing stab cores LG blocks wrres nose gearwire 4fiberglassfape plans instroofions DELUXE KIT INCLUDES aboon plas balsa Eardwoad fiberglass wing tips hinges fiberglass pass rods aileron linkage snap links tO straps screws wing bolts 005101 horns nose gear afeering arm 80 throffle linkage vice 28 years lightning thing have observed times Four years ago friend flying afternoon thunderstorm developed about three miles away flying QB 405 Aero Sport radio 72320 As mak ing high-speed flyby about 20 ft off ground bolt lightning hit about two miles away plane rolled over hit ground about 450 angle friend flying QB 205 Cirrus radio 72160 about 200 ft air flying straight level lightning hit airplane went spin about four rotations able re cover make landing no problems During latter part July early August get flow moist air off Gulf Mexico comes southwest Utah call monsoon season period two three weeks get thun derstorms almost afternoon 1982 during monsoon season numer ous glitches decided would no longer fly lightning within about eight miles flying 1 spent three days Reno NV during Aero Scale 82 afternoon thun derstorms would develop about 2 pm would lightning over place am convinced least three crashes due lightning area certainly sounds like Garys experience bears out Georges observations prob Continued page 144 Quality Wood Products Serious Modeler Send $1 br catalog Price applied tirst order Buckeye Balsa supplies AAA quality balsa certified aircraft plywood fine kits Aero Composites Curtis Model Aircraft Co Fliteglas Models Fourmost Products Kitty Hawk Models Dave Platt Precision Built Models RIC Kits Mfg VK Models Bob Dively Model Aircraft hobby shops Hobby Shop Orders Welcome 216 533 3607 P0 Box 174 Canfleld OH 44406 140 Model Aviation See dealer distributor available send check money order VISA MasterCdrd plus $700 UPS shipping RC AerobaticsNan Putte Continued page 140 ably would better off avoided flying thunderstorms area As written cold weather just hit part Florida Yes know what frost like along Gulf Coast am about begin winter hibernation because dont like cold weather shiv ering flying field isnt idea fun So Ive given engines good shot rust preventative should keep good shape until its time wake next spring forgot winterize engines last fall its February read wouldnt hurt now Better late never comes winterizing engines could preclude having buy new bearings next spring Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Soaring/Pruss Continued page 51 sport youre asking Whats Well radio dependable radiowhich hasnt scene few years still see popping up flying scene time time Good news still have need servicing Full ser vice replacement parts available Full Command Systems 908 E Rosewood Spokane WA 99208 new catalog tells Davey Systems Corporation folks have come up line-retriever really works Ted Davey has made Sail plane life simpler often-sought-after winch items winch drum usually stops do-it-yourselfers cold Ted has available drum has 5/s-in bore ideally suited Ford long-shaft startersa four-in center four-in spacing between eight-in -diameter plates goes $50 plus $3 shipping See DSCs ad issue Model Aviation winch retrieval systems HIGH QUALITY FOAM WING CORES AND CUSTOM FOAM CUTTING have large selection wing cores available stock meet modeling needs also specialize custom cutting reasonable prices like top quality products low prices fast service contact us next project information & p ces contac Ocean State Aeromode Eng nneer ng 21 Jaycee Dr West Warwick Rl 02893 OrcallRonaftar6OOpm -40 82888 3 Fec Feam its Beat Deal Best Stretched Sagitta Tommy Kallevang shows plane took him first place 1983 LSF Tournaments TwoMeter division Tom stretched Sagittas tail moment reconstructing fuselage sides Using 3/32-in balsa facing ner surfaces A2-in plywood fuselages full length Tom maintained nose sections wing former locations added 1 /2 between wing tail flies like charm Proof LSF Tournaments final standings Im winding down year thinking about 1984 Nats will Reno will year LSF regionals F3B team selection program will underway Get building have happy 1984 Dan Pruss 131 E Pennington Ln Plainfield IL 60544 RC Old-Timers/Mathews Continued page 53 52 oz Brown Jr 54 Den nymite 56 O&R 60 56 Super Cyclone Wing loading would figure about 85 oz/sq ft Jerry Broffman also published reduced size design September 1944 issue MAN Stratofly Starduster Although publication date would make Starduster SAM-legal strongly suspect some research could established developed flown 1942 reader knows whereabouts Jerry Broffman perhaps could confirm suspicion Broffman entered commercial end hobby postwar era Enter prise Model Aircraft number classic kits produced such McGoverns Pi rate Bob Tuckers Tuckette Interest ingly entered booming market 1950 36-in Free Flight design called Champion bears remarkable re semblance feature designonly windows brings up another interesting point although Starduster/Sunduster designs have no windows arent actually cabin designs force arrangement both models certainly unlike pylon design have ever seen SAM Contest Directors going facing dilemma some contestant walks up tries enter C Cabin what its worth Websters dictionarys definition cabin describes enclosure makes no mention windows portholes power Bob Lowe Mul dersdrift South Africa recently wrote quiring about power choices RC OldTimers reference specifically engines shown original drawings comparison contemporary power plants written piece about early columns perhaps others have become interested subject re cently also would have oppor tunity read column Basically SAM rules limit engine size 10 cu displacement per 225 sq wing total area Four-cycle power plants considered 60% glow dis placement pretty fair guideline except tremendous disparity exists power per displacement between engines As example consider Duke Foxs two 19s cross-flow version would pull 450 sq Old-Timer realistic calm manner other hand 19 BB Schnuerle unit would pull same model climb rates comparable FAT Power FF model As matter fact wing would jeopardy folding beefed up same comparisons apply engines nearly displacement So experience power choice related type flying interested low-key sport flying Schnuerle units need 300 350 sq per 10 cu displacement Fox BB better-suited 600-700 sq model example fire-breathing Schnuerle 40 would bestsuited 1200 1400 sq model sport role competition motivator means power better personal experience fourstrokers seems indicate 60% rule bit underestimate incred ible little jewels sport flying rec ommend using 70% factor cur rently flying model set up can switch 05 25 FSR 05 40 four-stroke model aerobatic 25 much stronger four-stroker Vertical performance 25 slug gish will vertical eights stroker Ouch Somehow crossed up roll film notes SAM Champs lead photo November 1983 issue certainly Garami Molecule fact So Long being launched good friend Bill Baker Norman OK Ill never live mistake down Another error popped up caption under Marion Knights electric model September 1983 column photos provided guest-writer Dick Haung Continued page 146 144 Model Aviation
Edition: Model Aviation - 1984/03
Page Numbers: 48, 49, 140, 144
Radio Control SPORT AEROBA TICS Ron Van Putte ITS NEWSLEYIIER MONTH oppor tunity share gem gleaned among newsletters received clubs across country addition couple updates effects lightning RC receiver Lets begin slightly-edited maneu ver description unknown author appeared newsletter Thun dervolts Schenectady NY goes like Although Figure 9 popular maneuvers performed RC fliers often poorly executed have witnessed instances vital portion maneuver par tial loop completely omitted otherwise spectacular performance cause anything worth doing worth doing correctly feel its about time someone stepped forward attempt correct situation mind shall attempt break Figure 9 up its components talk through maneuver striving perfecton will found delicate combination proper airspeed control inputs essential Abrupt corrections avoided since greatly diminish gracefulness maneuver Also things precision must absolutely certain equipment up task radio must range-checked servos link ages should working flawlessly important engine should tuned maximum scream aircraft held nose-down position dont want sag during important part maneuver Phase 1 Entry should downwind best started directly out Split-S remember speed determining factor success maneuver Entry altitude very critical two four feet seems work best Experience will determine what best Phase 2 Pull Up should nice gradual upward sweepwings levelsmooth lift-off serves two pur poses first tends bleed off too much airspeed second gives everyone little extra time turn around what doing case low entry didnt get attention witnesss stick manship Phase 3 Over Top super screamer now its back Tighten up little back pressure stick Relax stick little comes around verticalabout now shell really mov ing Phase 4 Plunge Let plane continue around until about 300 vertical would helpful point have flying buddies taxi 48 NAn-I Aviation beautiful Hippo Tipo tiown Dy norm wrnTue r.uuuur MPB MS Expert class t. AL contest subsequently advanced Master class New Orleans LA Look out rshes good nni owvu oiiu Bootlegger 83 MaerL SmCflL youve got problemslet best help can Chuck Shade tries sort out engine problems Don Lowes aid 83 Masters Tournament Chuck finished 17th plane between legs hand-launch powered glider past right ear dis traction could give decided edge overall success maneuver impor tant point stay off rudder avoid gross aileron controls yawproducing inputs will tend detract overall results Phase 5 Impact Actually due its short duration impact can hardly considered phase However some pilots sort time-shift occurs cases slow-motion scene slowly drifts across field can see pride joy disintegrate piece broken piece vithout time-shift phenomenon can usually conjure up instant replay sim ply closing eyes few seconds Anyway back Impact efforts really pay off everything done described plane should meet ground 300 angle neatly impaling fuel tank battery pack receiver engine crankshaft might considered bonus have two servos likewise skewered largely matter luck finale nor mally assisted hitting rock within five miles IP thats impact point new RC Thats about except should mention 300 impact angle has found about optimum Although angle up 450 can produce spectacular results much experimentation has shown 30 adds just about right horizontal component plunge doesnt sacrifice undue amount speed produces largest area destruction Remember practice practice practice wish knew anonymous author certainly owe him debt gratitude valuable addition pattern ma neuver descriptions need perfect flying techniques After reporting incident lightning interference October 1983 column received several responses George M Myers MAs Radio Tech nique columnist wrote Lightning electric discharge high voltage amperage hence high power Because has nature electrical arc dis charge has oscillatory characteristic Continued page 140 40 SIZETHE JC TRAINERS LITTLE SUPER Build half time Jig built balsa fuselage 90% built wing Full size plans LUCKY FLY II Decal forms Windshield Escelient instructions first time builder REG $1199560 Size SPECIAL $9995SPECIAL 899540 Size 60 Super Lucky Fly II 40 Little SuparLucky Fly II both superb air-20 Size craft sport pattern flyers Prealigned fuselage foam wing 1/64 plywood covering makes either Lucky Fly II easy build easy fly Regular $8995 Regular $7995 Regular $5495 SPECIAL $6995 SPECIAL $5995 SPECIAL $3995 Ready-Built 1/64 Plywood Covered Wing 60 SIZE SUPER LUCKY FLY II REG $12995 March 1984 4Q ulli flOmas L Bill Cunningham Bartiesviiie OK take time out 83 Masters Tournament Cunningham finished 13th Thomas 26th out 45 Cunninghams XLT foreground SPECIAL THIS MONTH ONLY! SEND $500 FOR 8x10I COLOR PHOTO OF ANY MODEL & CATALOGUE Perma-Grit TM Lifetime * Tungsten Carbide grit hardest material next diamondl * Outlasts sandpaper 100s times * Tools will load up * Grit cant tear loose * Makes fitting blending fairing pleasure * Fairs LE TE foam undercutting * Rapid stock Removal better control * Saves time money aggravation * Replaces plane knite rasp & sanding blocks excellent tools modeler can use Don Lowe Pro tessional Engineer Ask Dealer send check MO No CODs DG Products 209 Carrlands Dr Dayton OH 45429 513 294-1192 RC Scale/Wischers Continued page 137 piece could replaced /16-in ply no sacrifice weight gain strength Landing gears certainly subject abuse damage minor accident After first landing mishap time has come increase strength example brass-tube struts can changed steel Brass may quickly accessible hardware stores hobby shops steel has longer life high stress applications Air craft steel tubing other hand doesnt telescope successive sizes brass tube bit harder find airports air craft supply dealers worthwhile search better material Aluminum tubing can used single-strut-type land ing gears provided alloy pure aluminum soft aluminum tubing sold hardware stores less satisfactory brass unless very heavy wall thicknesses used Preferred aluminum tube 2024-T3 alloy 6061-T6 second choice proper choice wall thicknesses aluminum tubes will telescope Local steel supply houses carry alloy aluminum tubes First flights after major repair very similar very first new model mixed feelings anticipation apprehension goes well usual case elation follows Resurrection model unsightly mess pro vides satisfaction equal completion Paul Clements Presents BEAUTIFUL 84A&6 AWARD-WINNING COMPETITOR AMA 5 FAI PATTERN DESIGN \ gsten carbide grit brazed steel 9 long tool use balsa hardwoods fiberglass beaded foams epoxy fillers plexiglas Made IJSA Average Modelers Use F100Flat Coarse/Fine$695 F-101 Flat Fine$695 F-102Flat Course$695 R-200 Redius Course/Fine$695 1201 Tangent Coerse/Fine$695 E202RoundCourse/Fine$625 R-203 1/2 Hound Coarse/fine$495 1204 t/a Round Course/Fine$495 Postage Paid Oho residents add 6% tax new aircraft Bob Dolly Wiseher S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued tram oaoe 49 gives off electromagnetic vibrations can occupy frequencies DC out through light frequencies radiations presented RC receivers antenna receivers RF circuits have some ability reject unwanted signals ability limited power levels vicinity design power level control transmitter presented stronger signals signals may overload receivers filters force way through set pro ducing interference extreme cases currents induced lightning can physical damage active parts circuit melting down transistors ICs punching holes low-voltage capacitors Whether happens depends primarily distance between RC receiver lightning bolt general see lightning bolts shouldnt flying Its easy deter electrical storm approach ing Any broadcast-band AM receiver will crackle sputter response lightning bolts tens miles away Hearing such noises should warning enough Gary Malchus Milford UT wrote have worked National Weather Ser Designed Manufactured Paul Clements KITTY IAWI MODELI RR 2 Pauli lAd 47454 Phone 812 7233601 WING SPAN ING AREA 704 sq inBasic Kit $9895 MOTOR u 0 Deluxe Kit $14995 WEIGHTs 9 lbs BASIC KIT INCLUDEs F5erglass fuselage bulkhead installed molded fin foam wing stab cores LG blocks wrres nose gearwire 4fiberglassfape plans instroofions DELUXE KIT INCLUDES aboon plas balsa Eardwoad fiberglass wing tips hinges fiberglass pass rods aileron linkage snap links tO straps screws wing bolts 005101 horns nose gear afeering arm 80 throffle linkage vice 28 years lightning thing have observed times Four years ago friend flying afternoon thunderstorm developed about three miles away flying QB 405 Aero Sport radio 72320 As mak ing high-speed flyby about 20 ft off ground bolt lightning hit about two miles away plane rolled over hit ground about 450 angle friend flying QB 205 Cirrus radio 72160 about 200 ft air flying straight level lightning hit airplane went spin about four rotations able re cover make landing no problems During latter part July early August get flow moist air off Gulf Mexico comes southwest Utah call monsoon season period two three weeks get thun derstorms almost afternoon 1982 during monsoon season numer ous glitches decided would no longer fly lightning within about eight miles flying 1 spent three days Reno NV during Aero Scale 82 afternoon thun derstorms would develop about 2 pm would lightning over place am convinced least three crashes due lightning area certainly sounds like Garys experience bears out Georges observations prob Continued page 144 Quality Wood Products Serious Modeler Send $1 br catalog Price applied tirst order Buckeye Balsa supplies AAA quality balsa certified aircraft plywood fine kits Aero Composites Curtis Model Aircraft Co Fliteglas Models Fourmost Products Kitty Hawk Models Dave Platt Precision Built Models RIC Kits Mfg VK Models Bob Dively Model Aircraft hobby shops Hobby Shop Orders Welcome 216 533 3607 P0 Box 174 Canfleld OH 44406 140 Model Aviation See dealer distributor available send check money order VISA MasterCdrd plus $700 UPS shipping RC AerobaticsNan Putte Continued page 140 ably would better off avoided flying thunderstorms area As written cold weather just hit part Florida Yes know what frost like along Gulf Coast am about begin winter hibernation because dont like cold weather shiv ering flying field isnt idea fun So Ive given engines good shot rust preventative should keep good shape until its time wake next spring forgot winterize engines last fall its February read wouldnt hurt now Better late never comes winterizing engines could preclude having buy new bearings next spring Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Soaring/Pruss Continued page 51 sport youre asking Whats Well radio dependable radiowhich hasnt scene few years still see popping up flying scene time time Good news still have need servicing Full ser vice replacement parts available Full Command Systems 908 E Rosewood Spokane WA 99208 new catalog tells Davey Systems Corporation folks have come up line-retriever really works Ted Davey has made Sail plane life simpler often-sought-after winch items winch drum usually stops do-it-yourselfers cold Ted has available drum has 5/s-in bore ideally suited Ford long-shaft startersa four-in center four-in spacing between eight-in -diameter plates goes $50 plus $3 shipping See DSCs ad issue Model Aviation winch retrieval systems HIGH QUALITY FOAM WING CORES AND CUSTOM FOAM CUTTING have large selection wing cores available stock meet modeling needs also specialize custom cutting reasonable prices like top quality products low prices fast service contact us next project information & p ces contac Ocean State Aeromode Eng nneer ng 21 Jaycee Dr West Warwick Rl 02893 OrcallRonaftar6OOpm -40 82888 3 Fec Feam its Beat Deal Best Stretched Sagitta Tommy Kallevang shows plane took him first place 1983 LSF Tournaments TwoMeter division Tom stretched Sagittas tail moment reconstructing fuselage sides Using 3/32-in balsa facing ner surfaces A2-in plywood fuselages full length Tom maintained nose sections wing former locations added 1 /2 between wing tail flies like charm Proof LSF Tournaments final standings Im winding down year thinking about 1984 Nats will Reno will year LSF regionals F3B team selection program will underway Get building have happy 1984 Dan Pruss 131 E Pennington Ln Plainfield IL 60544 RC Old-Timers/Mathews Continued page 53 52 oz Brown Jr 54 Den nymite 56 O&R 60 56 Super Cyclone Wing loading would figure about 85 oz/sq ft Jerry Broffman also published reduced size design September 1944 issue MAN Stratofly Starduster Although publication date would make Starduster SAM-legal strongly suspect some research could established developed flown 1942 reader knows whereabouts Jerry Broffman perhaps could confirm suspicion Broffman entered commercial end hobby postwar era Enter prise Model Aircraft number classic kits produced such McGoverns Pi rate Bob Tuckers Tuckette Interest ingly entered booming market 1950 36-in Free Flight design called Champion bears remarkable re semblance feature designonly windows brings up another interesting point although Starduster/Sunduster designs have no windows arent actually cabin designs force arrangement both models certainly unlike pylon design have ever seen SAM Contest Directors going facing dilemma some contestant walks up tries enter C Cabin what its worth Websters dictionarys definition cabin describes enclosure makes no mention windows portholes power Bob Lowe Mul dersdrift South Africa recently wrote quiring about power choices RC OldTimers reference specifically engines shown original drawings comparison contemporary power plants written piece about early columns perhaps others have become interested subject re cently also would have oppor tunity read column Basically SAM rules limit engine size 10 cu displacement per 225 sq wing total area Four-cycle power plants considered 60% glow dis placement pretty fair guideline except tremendous disparity exists power per displacement between engines As example consider Duke Foxs two 19s cross-flow version would pull 450 sq Old-Timer realistic calm manner other hand 19 BB Schnuerle unit would pull same model climb rates comparable FAT Power FF model As matter fact wing would jeopardy folding beefed up same comparisons apply engines nearly displacement So experience power choice related type flying interested low-key sport flying Schnuerle units need 300 350 sq per 10 cu displacement Fox BB better-suited 600-700 sq model example fire-breathing Schnuerle 40 would bestsuited 1200 1400 sq model sport role competition motivator means power better personal experience fourstrokers seems indicate 60% rule bit underestimate incred ible little jewels sport flying rec ommend using 70% factor cur rently flying model set up can switch 05 25 FSR 05 40 four-stroke model aerobatic 25 much stronger four-stroker Vertical performance 25 slug gish will vertical eights stroker Ouch Somehow crossed up roll film notes SAM Champs lead photo November 1983 issue certainly Garami Molecule fact So Long being launched good friend Bill Baker Norman OK Ill never live mistake down Another error popped up caption under Marion Knights electric model September 1983 column photos provided guest-writer Dick Haung Continued page 146 144 Model Aviation
Edition: Model Aviation - 1984/03
Page Numbers: 48, 49, 140, 144
Radio Control SPORT AEROBA TICS Ron Van Putte ITS NEWSLEYIIER MONTH oppor tunity share gem gleaned among newsletters received clubs across country addition couple updates effects lightning RC receiver Lets begin slightly-edited maneu ver description unknown author appeared newsletter Thun dervolts Schenectady NY goes like Although Figure 9 popular maneuvers performed RC fliers often poorly executed have witnessed instances vital portion maneuver par tial loop completely omitted otherwise spectacular performance cause anything worth doing worth doing correctly feel its about time someone stepped forward attempt correct situation mind shall attempt break Figure 9 up its components talk through maneuver striving perfecton will found delicate combination proper airspeed control inputs essential Abrupt corrections avoided since greatly diminish gracefulness maneuver Also things precision must absolutely certain equipment up task radio must range-checked servos link ages should working flawlessly important engine should tuned maximum scream aircraft held nose-down position dont want sag during important part maneuver Phase 1 Entry should downwind best started directly out Split-S remember speed determining factor success maneuver Entry altitude very critical two four feet seems work best Experience will determine what best Phase 2 Pull Up should nice gradual upward sweepwings levelsmooth lift-off serves two pur poses first tends bleed off too much airspeed second gives everyone little extra time turn around what doing case low entry didnt get attention witnesss stick manship Phase 3 Over Top super screamer now its back Tighten up little back pressure stick Relax stick little comes around verticalabout now shell really mov ing Phase 4 Plunge Let plane continue around until about 300 vertical would helpful point have flying buddies taxi 48 NAn-I Aviation beautiful Hippo Tipo tiown Dy norm wrnTue r.uuuur MPB MS Expert class t. AL contest subsequently advanced Master class New Orleans LA Look out rshes good nni owvu oiiu Bootlegger 83 MaerL SmCflL youve got problemslet best help can Chuck Shade tries sort out engine problems Don Lowes aid 83 Masters Tournament Chuck finished 17th plane between legs hand-launch powered glider past right ear dis traction could give decided edge overall success maneuver impor tant point stay off rudder avoid gross aileron controls yawproducing inputs will tend detract overall results Phase 5 Impact Actually due its short duration impact can hardly considered phase However some pilots sort time-shift occurs cases slow-motion scene slowly drifts across field can see pride joy disintegrate piece broken piece vithout time-shift phenomenon can usually conjure up instant replay sim ply closing eyes few seconds Anyway back Impact efforts really pay off everything done described plane should meet ground 300 angle neatly impaling fuel tank battery pack receiver engine crankshaft might considered bonus have two servos likewise skewered largely matter luck finale nor mally assisted hitting rock within five miles IP thats impact point new RC Thats about except should mention 300 impact angle has found about optimum Although angle up 450 can produce spectacular results much experimentation has shown 30 adds just about right horizontal component plunge doesnt sacrifice undue amount speed produces largest area destruction Remember practice practice practice wish knew anonymous author certainly owe him debt gratitude valuable addition pattern ma neuver descriptions need perfect flying techniques After reporting incident lightning interference October 1983 column received several responses George M Myers MAs Radio Tech nique columnist wrote Lightning electric discharge high voltage amperage hence high power Because has nature electrical arc dis charge has oscillatory characteristic Continued page 140 40 SIZETHE JC TRAINERS LITTLE SUPER Build half time Jig built balsa fuselage 90% built wing Full size plans LUCKY FLY II Decal forms Windshield Escelient instructions first time builder REG $1199560 Size SPECIAL $9995SPECIAL 899540 Size 60 Super Lucky Fly II 40 Little SuparLucky Fly II both superb air-20 Size craft sport pattern flyers Prealigned fuselage foam wing 1/64 plywood covering makes either Lucky Fly II easy build easy fly Regular $8995 Regular $7995 Regular $5495 SPECIAL $6995 SPECIAL $5995 SPECIAL $3995 Ready-Built 1/64 Plywood Covered Wing 60 SIZE SUPER LUCKY FLY II REG $12995 March 1984 4Q ulli flOmas L Bill Cunningham Bartiesviiie OK take time out 83 Masters Tournament Cunningham finished 13th Thomas 26th out 45 Cunninghams XLT foreground SPECIAL THIS MONTH ONLY! SEND $500 FOR 8x10I COLOR PHOTO OF ANY MODEL & CATALOGUE Perma-Grit TM Lifetime * Tungsten Carbide grit hardest material next diamondl * Outlasts sandpaper 100s times * Tools will load up * Grit cant tear loose * Makes fitting blending fairing pleasure * Fairs LE TE foam undercutting * Rapid stock Removal better control * Saves time money aggravation * Replaces plane knite rasp & sanding blocks excellent tools modeler can use Don Lowe Pro tessional Engineer Ask Dealer send check MO No CODs DG Products 209 Carrlands Dr Dayton OH 45429 513 294-1192 RC Scale/Wischers Continued page 137 piece could replaced /16-in ply no sacrifice weight gain strength Landing gears certainly subject abuse damage minor accident After first landing mishap time has come increase strength example brass-tube struts can changed steel Brass may quickly accessible hardware stores hobby shops steel has longer life high stress applications Air craft steel tubing other hand doesnt telescope successive sizes brass tube bit harder find airports air craft supply dealers worthwhile search better material Aluminum tubing can used single-strut-type land ing gears provided alloy pure aluminum soft aluminum tubing sold hardware stores less satisfactory brass unless very heavy wall thicknesses used Preferred aluminum tube 2024-T3 alloy 6061-T6 second choice proper choice wall thicknesses aluminum tubes will telescope Local steel supply houses carry alloy aluminum tubes First flights after major repair very similar very first new model mixed feelings anticipation apprehension goes well usual case elation follows Resurrection model unsightly mess pro vides satisfaction equal completion Paul Clements Presents BEAUTIFUL 84A&6 AWARD-WINNING COMPETITOR AMA 5 FAI PATTERN DESIGN \ gsten carbide grit brazed steel 9 long tool use balsa hardwoods fiberglass beaded foams epoxy fillers plexiglas Made IJSA Average Modelers Use F100Flat Coarse/Fine$695 F-101 Flat Fine$695 F-102Flat Course$695 R-200 Redius Course/Fine$695 1201 Tangent Coerse/Fine$695 E202RoundCourse/Fine$625 R-203 1/2 Hound Coarse/fine$495 1204 t/a Round Course/Fine$495 Postage Paid Oho residents add 6% tax new aircraft Bob Dolly Wiseher S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued tram oaoe 49 gives off electromagnetic vibrations can occupy frequencies DC out through light frequencies radiations presented RC receivers antenna receivers RF circuits have some ability reject unwanted signals ability limited power levels vicinity design power level control transmitter presented stronger signals signals may overload receivers filters force way through set pro ducing interference extreme cases currents induced lightning can physical damage active parts circuit melting down transistors ICs punching holes low-voltage capacitors Whether happens depends primarily distance between RC receiver lightning bolt general see lightning bolts shouldnt flying Its easy deter electrical storm approach ing Any broadcast-band AM receiver will crackle sputter response lightning bolts tens miles away Hearing such noises should warning enough Gary Malchus Milford UT wrote have worked National Weather Ser Designed Manufactured Paul Clements KITTY IAWI MODELI RR 2 Pauli lAd 47454 Phone 812 7233601 WING SPAN ING AREA 704 sq inBasic Kit $9895 MOTOR u 0 Deluxe Kit $14995 WEIGHTs 9 lbs BASIC KIT INCLUDEs F5erglass fuselage bulkhead installed molded fin foam wing stab cores LG blocks wrres nose gearwire 4fiberglassfape plans instroofions DELUXE KIT INCLUDES aboon plas balsa Eardwoad fiberglass wing tips hinges fiberglass pass rods aileron linkage snap links tO straps screws wing bolts 005101 horns nose gear afeering arm 80 throffle linkage vice 28 years lightning thing have observed times Four years ago friend flying afternoon thunderstorm developed about three miles away flying QB 405 Aero Sport radio 72320 As mak ing high-speed flyby about 20 ft off ground bolt lightning hit about two miles away plane rolled over hit ground about 450 angle friend flying QB 205 Cirrus radio 72160 about 200 ft air flying straight level lightning hit airplane went spin about four rotations able re cover make landing no problems During latter part July early August get flow moist air off Gulf Mexico comes southwest Utah call monsoon season period two three weeks get thun derstorms almost afternoon 1982 during monsoon season numer ous glitches decided would no longer fly lightning within about eight miles flying 1 spent three days Reno NV during Aero Scale 82 afternoon thun derstorms would develop about 2 pm would lightning over place am convinced least three crashes due lightning area certainly sounds like Garys experience bears out Georges observations prob Continued page 144 Quality Wood Products Serious Modeler Send $1 br catalog Price applied tirst order Buckeye Balsa supplies AAA quality balsa certified aircraft plywood fine kits Aero Composites Curtis Model Aircraft Co Fliteglas Models Fourmost Products Kitty Hawk Models Dave Platt Precision Built Models RIC Kits Mfg VK Models Bob Dively Model Aircraft hobby shops Hobby Shop Orders Welcome 216 533 3607 P0 Box 174 Canfleld OH 44406 140 Model Aviation See dealer distributor available send check money order VISA MasterCdrd plus $700 UPS shipping RC AerobaticsNan Putte Continued page 140 ably would better off avoided flying thunderstorms area As written cold weather just hit part Florida Yes know what frost like along Gulf Coast am about begin winter hibernation because dont like cold weather shiv ering flying field isnt idea fun So Ive given engines good shot rust preventative should keep good shape until its time wake next spring forgot winterize engines last fall its February read wouldnt hurt now Better late never comes winterizing engines could preclude having buy new bearings next spring Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Soaring/Pruss Continued page 51 sport youre asking Whats Well radio dependable radiowhich hasnt scene few years still see popping up flying scene time time Good news still have need servicing Full ser vice replacement parts available Full Command Systems 908 E Rosewood Spokane WA 99208 new catalog tells Davey Systems Corporation folks have come up line-retriever really works Ted Davey has made Sail plane life simpler often-sought-after winch items winch drum usually stops do-it-yourselfers cold Ted has available drum has 5/s-in bore ideally suited Ford long-shaft startersa four-in center four-in spacing between eight-in -diameter plates goes $50 plus $3 shipping See DSCs ad issue Model Aviation winch retrieval systems HIGH QUALITY FOAM WING CORES AND CUSTOM FOAM CUTTING have large selection wing cores available stock meet modeling needs also specialize custom cutting reasonable prices like top quality products low prices fast service contact us next project information & p ces contac Ocean State Aeromode Eng nneer ng 21 Jaycee Dr West Warwick Rl 02893 OrcallRonaftar6OOpm -40 82888 3 Fec Feam its Beat Deal Best Stretched Sagitta Tommy Kallevang shows plane took him first place 1983 LSF Tournaments TwoMeter division Tom stretched Sagittas tail moment reconstructing fuselage sides Using 3/32-in balsa facing ner surfaces A2-in plywood fuselages full length Tom maintained nose sections wing former locations added 1 /2 between wing tail flies like charm Proof LSF Tournaments final standings Im winding down year thinking about 1984 Nats will Reno will year LSF regionals F3B team selection program will underway Get building have happy 1984 Dan Pruss 131 E Pennington Ln Plainfield IL 60544 RC Old-Timers/Mathews Continued page 53 52 oz Brown Jr 54 Den nymite 56 O&R 60 56 Super Cyclone Wing loading would figure about 85 oz/sq ft Jerry Broffman also published reduced size design September 1944 issue MAN Stratofly Starduster Although publication date would make Starduster SAM-legal strongly suspect some research could established developed flown 1942 reader knows whereabouts Jerry Broffman perhaps could confirm suspicion Broffman entered commercial end hobby postwar era Enter prise Model Aircraft number classic kits produced such McGoverns Pi rate Bob Tuckers Tuckette Interest ingly entered booming market 1950 36-in Free Flight design called Champion bears remarkable re semblance feature designonly windows brings up another interesting point although Starduster/Sunduster designs have no windows arent actually cabin designs force arrangement both models certainly unlike pylon design have ever seen SAM Contest Directors going facing dilemma some contestant walks up tries enter C Cabin what its worth Websters dictionarys definition cabin describes enclosure makes no mention windows portholes power Bob Lowe Mul dersdrift South Africa recently wrote quiring about power choices RC OldTimers reference specifically engines shown original drawings comparison contemporary power plants written piece about early columns perhaps others have become interested subject re cently also would have oppor tunity read column Basically SAM rules limit engine size 10 cu displacement per 225 sq wing total area Four-cycle power plants considered 60% glow dis placement pretty fair guideline except tremendous disparity exists power per displacement between engines As example consider Duke Foxs two 19s cross-flow version would pull 450 sq Old-Timer realistic calm manner other hand 19 BB Schnuerle unit would pull same model climb rates comparable FAT Power FF model As matter fact wing would jeopardy folding beefed up same comparisons apply engines nearly displacement So experience power choice related type flying interested low-key sport flying Schnuerle units need 300 350 sq per 10 cu displacement Fox BB better-suited 600-700 sq model example fire-breathing Schnuerle 40 would bestsuited 1200 1400 sq model sport role competition motivator means power better personal experience fourstrokers seems indicate 60% rule bit underestimate incred ible little jewels sport flying rec ommend using 70% factor cur rently flying model set up can switch 05 25 FSR 05 40 four-stroke model aerobatic 25 much stronger four-stroker Vertical performance 25 slug gish will vertical eights stroker Ouch Somehow crossed up roll film notes SAM Champs lead photo November 1983 issue certainly Garami Molecule fact So Long being launched good friend Bill Baker Norman OK Ill never live mistake down Another error popped up caption under Marion Knights electric model September 1983 column photos provided guest-writer Dick Haung Continued page 146 144 Model Aviation
Edition: Model Aviation - 1984/03
Page Numbers: 48, 49, 140, 144
Radio Control SPORT AEROBA TICS Ron Van Putte ITS NEWSLEYIIER MONTH oppor tunity share gem gleaned among newsletters received clubs across country addition couple updates effects lightning RC receiver Lets begin slightly-edited maneu ver description unknown author appeared newsletter Thun dervolts Schenectady NY goes like Although Figure 9 popular maneuvers performed RC fliers often poorly executed have witnessed instances vital portion maneuver par tial loop completely omitted otherwise spectacular performance cause anything worth doing worth doing correctly feel its about time someone stepped forward attempt correct situation mind shall attempt break Figure 9 up its components talk through maneuver striving perfecton will found delicate combination proper airspeed control inputs essential Abrupt corrections avoided since greatly diminish gracefulness maneuver Also things precision must absolutely certain equipment up task radio must range-checked servos link ages should working flawlessly important engine should tuned maximum scream aircraft held nose-down position dont want sag during important part maneuver Phase 1 Entry should downwind best started directly out Split-S remember speed determining factor success maneuver Entry altitude very critical two four feet seems work best Experience will determine what best Phase 2 Pull Up should nice gradual upward sweepwings levelsmooth lift-off serves two pur poses first tends bleed off too much airspeed second gives everyone little extra time turn around what doing case low entry didnt get attention witnesss stick manship Phase 3 Over Top super screamer now its back Tighten up little back pressure stick Relax stick little comes around verticalabout now shell really mov ing Phase 4 Plunge Let plane continue around until about 300 vertical would helpful point have flying buddies taxi 48 NAn-I Aviation beautiful Hippo Tipo tiown Dy norm wrnTue r.uuuur MPB MS Expert class t. AL contest subsequently advanced Master class New Orleans LA Look out rshes good nni owvu oiiu Bootlegger 83 MaerL SmCflL youve got problemslet best help can Chuck Shade tries sort out engine problems Don Lowes aid 83 Masters Tournament Chuck finished 17th plane between legs hand-launch powered glider past right ear dis traction could give decided edge overall success maneuver impor tant point stay off rudder avoid gross aileron controls yawproducing inputs will tend detract overall results Phase 5 Impact Actually due its short duration impact can hardly considered phase However some pilots sort time-shift occurs cases slow-motion scene slowly drifts across field can see pride joy disintegrate piece broken piece vithout time-shift phenomenon can usually conjure up instant replay sim ply closing eyes few seconds Anyway back Impact efforts really pay off everything done described plane should meet ground 300 angle neatly impaling fuel tank battery pack receiver engine crankshaft might considered bonus have two servos likewise skewered largely matter luck finale nor mally assisted hitting rock within five miles IP thats impact point new RC Thats about except should mention 300 impact angle has found about optimum Although angle up 450 can produce spectacular results much experimentation has shown 30 adds just about right horizontal component plunge doesnt sacrifice undue amount speed produces largest area destruction Remember practice practice practice wish knew anonymous author certainly owe him debt gratitude valuable addition pattern ma neuver descriptions need perfect flying techniques After reporting incident lightning interference October 1983 column received several responses George M Myers MAs Radio Tech nique columnist wrote Lightning electric discharge high voltage amperage hence high power Because has nature electrical arc dis charge has oscillatory characteristic Continued page 140 40 SIZETHE JC TRAINERS LITTLE SUPER Build half time Jig built balsa fuselage 90% built wing Full size plans LUCKY FLY II Decal forms Windshield Escelient instructions first time builder REG $1199560 Size SPECIAL $9995SPECIAL 899540 Size 60 Super Lucky Fly II 40 Little SuparLucky Fly II both superb air-20 Size craft sport pattern flyers Prealigned fuselage foam wing 1/64 plywood covering makes either Lucky Fly II easy build easy fly Regular $8995 Regular $7995 Regular $5495 SPECIAL $6995 SPECIAL $5995 SPECIAL $3995 Ready-Built 1/64 Plywood Covered Wing 60 SIZE SUPER LUCKY FLY II REG $12995 March 1984 4Q ulli flOmas L Bill Cunningham Bartiesviiie OK take time out 83 Masters Tournament Cunningham finished 13th Thomas 26th out 45 Cunninghams XLT foreground SPECIAL THIS MONTH ONLY! SEND $500 FOR 8x10I COLOR PHOTO OF ANY MODEL & CATALOGUE Perma-Grit TM Lifetime * Tungsten Carbide grit hardest material next diamondl * Outlasts sandpaper 100s times * Tools will load up * Grit cant tear loose * Makes fitting blending fairing pleasure * Fairs LE TE foam undercutting * Rapid stock Removal better control * Saves time money aggravation * Replaces plane knite rasp & sanding blocks excellent tools modeler can use Don Lowe Pro tessional Engineer Ask Dealer send check MO No CODs DG Products 209 Carrlands Dr Dayton OH 45429 513 294-1192 RC Scale/Wischers Continued page 137 piece could replaced /16-in ply no sacrifice weight gain strength Landing gears certainly subject abuse damage minor accident After first landing mishap time has come increase strength example brass-tube struts can changed steel Brass may quickly accessible hardware stores hobby shops steel has longer life high stress applications Air craft steel tubing other hand doesnt telescope successive sizes brass tube bit harder find airports air craft supply dealers worthwhile search better material Aluminum tubing can used single-strut-type land ing gears provided alloy pure aluminum soft aluminum tubing sold hardware stores less satisfactory brass unless very heavy wall thicknesses used Preferred aluminum tube 2024-T3 alloy 6061-T6 second choice proper choice wall thicknesses aluminum tubes will telescope Local steel supply houses carry alloy aluminum tubes First flights after major repair very similar very first new model mixed feelings anticipation apprehension goes well usual case elation follows Resurrection model unsightly mess pro vides satisfaction equal completion Paul Clements Presents BEAUTIFUL 84A&6 AWARD-WINNING COMPETITOR AMA 5 FAI PATTERN DESIGN \ gsten carbide grit brazed steel 9 long tool use balsa hardwoods fiberglass beaded foams epoxy fillers plexiglas Made IJSA Average Modelers Use F100Flat Coarse/Fine$695 F-101 Flat Fine$695 F-102Flat Course$695 R-200 Redius Course/Fine$695 1201 Tangent Coerse/Fine$695 E202RoundCourse/Fine$625 R-203 1/2 Hound Coarse/fine$495 1204 t/a Round Course/Fine$495 Postage Paid Oho residents add 6% tax new aircraft Bob Dolly Wiseher S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued tram oaoe 49 gives off electromagnetic vibrations can occupy frequencies DC out through light frequencies radiations presented RC receivers antenna receivers RF circuits have some ability reject unwanted signals ability limited power levels vicinity design power level control transmitter presented stronger signals signals may overload receivers filters force way through set pro ducing interference extreme cases currents induced lightning can physical damage active parts circuit melting down transistors ICs punching holes low-voltage capacitors Whether happens depends primarily distance between RC receiver lightning bolt general see lightning bolts shouldnt flying Its easy deter electrical storm approach ing Any broadcast-band AM receiver will crackle sputter response lightning bolts tens miles away Hearing such noises should warning enough Gary Malchus Milford UT wrote have worked National Weather Ser Designed Manufactured Paul Clements KITTY IAWI MODELI RR 2 Pauli lAd 47454 Phone 812 7233601 WING SPAN ING AREA 704 sq inBasic Kit $9895 MOTOR u 0 Deluxe Kit $14995 WEIGHTs 9 lbs BASIC KIT INCLUDEs F5erglass fuselage bulkhead installed molded fin foam wing stab cores LG blocks wrres nose gearwire 4fiberglassfape plans instroofions DELUXE KIT INCLUDES aboon plas balsa Eardwoad fiberglass wing tips hinges fiberglass pass rods aileron linkage snap links tO straps screws wing bolts 005101 horns nose gear afeering arm 80 throffle linkage vice 28 years lightning thing have observed times Four years ago friend flying afternoon thunderstorm developed about three miles away flying QB 405 Aero Sport radio 72320 As mak ing high-speed flyby about 20 ft off ground bolt lightning hit about two miles away plane rolled over hit ground about 450 angle friend flying QB 205 Cirrus radio 72160 about 200 ft air flying straight level lightning hit airplane went spin about four rotations able re cover make landing no problems During latter part July early August get flow moist air off Gulf Mexico comes southwest Utah call monsoon season period two three weeks get thun derstorms almost afternoon 1982 during monsoon season numer ous glitches decided would no longer fly lightning within about eight miles flying 1 spent three days Reno NV during Aero Scale 82 afternoon thun derstorms would develop about 2 pm would lightning over place am convinced least three crashes due lightning area certainly sounds like Garys experience bears out Georges observations prob Continued page 144 Quality Wood Products Serious Modeler Send $1 br catalog Price applied tirst order Buckeye Balsa supplies AAA quality balsa certified aircraft plywood fine kits Aero Composites Curtis Model Aircraft Co Fliteglas Models Fourmost Products Kitty Hawk Models Dave Platt Precision Built Models RIC Kits Mfg VK Models Bob Dively Model Aircraft hobby shops Hobby Shop Orders Welcome 216 533 3607 P0 Box 174 Canfleld OH 44406 140 Model Aviation See dealer distributor available send check money order VISA MasterCdrd plus $700 UPS shipping RC AerobaticsNan Putte Continued page 140 ably would better off avoided flying thunderstorms area As written cold weather just hit part Florida Yes know what frost like along Gulf Coast am about begin winter hibernation because dont like cold weather shiv ering flying field isnt idea fun So Ive given engines good shot rust preventative should keep good shape until its time wake next spring forgot winterize engines last fall its February read wouldnt hurt now Better late never comes winterizing engines could preclude having buy new bearings next spring Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Soaring/Pruss Continued page 51 sport youre asking Whats Well radio dependable radiowhich hasnt scene few years still see popping up flying scene time time Good news still have need servicing Full ser vice replacement parts available Full Command Systems 908 E Rosewood Spokane WA 99208 new catalog tells Davey Systems Corporation folks have come up line-retriever really works Ted Davey has made Sail plane life simpler often-sought-after winch items winch drum usually stops do-it-yourselfers cold Ted has available drum has 5/s-in bore ideally suited Ford long-shaft startersa four-in center four-in spacing between eight-in -diameter plates goes $50 plus $3 shipping See DSCs ad issue Model Aviation winch retrieval systems HIGH QUALITY FOAM WING CORES AND CUSTOM FOAM CUTTING have large selection wing cores available stock meet modeling needs also specialize custom cutting reasonable prices like top quality products low prices fast service contact us next project information & p ces contac Ocean State Aeromode Eng nneer ng 21 Jaycee Dr West Warwick Rl 02893 OrcallRonaftar6OOpm -40 82888 3 Fec Feam its Beat Deal Best Stretched Sagitta Tommy Kallevang shows plane took him first place 1983 LSF Tournaments TwoMeter division Tom stretched Sagittas tail moment reconstructing fuselage sides Using 3/32-in balsa facing ner surfaces A2-in plywood fuselages full length Tom maintained nose sections wing former locations added 1 /2 between wing tail flies like charm Proof LSF Tournaments final standings Im winding down year thinking about 1984 Nats will Reno will year LSF regionals F3B team selection program will underway Get building have happy 1984 Dan Pruss 131 E Pennington Ln Plainfield IL 60544 RC Old-Timers/Mathews Continued page 53 52 oz Brown Jr 54 Den nymite 56 O&R 60 56 Super Cyclone Wing loading would figure about 85 oz/sq ft Jerry Broffman also published reduced size design September 1944 issue MAN Stratofly Starduster Although publication date would make Starduster SAM-legal strongly suspect some research could established developed flown 1942 reader knows whereabouts Jerry Broffman perhaps could confirm suspicion Broffman entered commercial end hobby postwar era Enter prise Model Aircraft number classic kits produced such McGoverns Pi rate Bob Tuckers Tuckette Interest ingly entered booming market 1950 36-in Free Flight design called Champion bears remarkable re semblance feature designonly windows brings up another interesting point although Starduster/Sunduster designs have no windows arent actually cabin designs force arrangement both models certainly unlike pylon design have ever seen SAM Contest Directors going facing dilemma some contestant walks up tries enter C Cabin what its worth Websters dictionarys definition cabin describes enclosure makes no mention windows portholes power Bob Lowe Mul dersdrift South Africa recently wrote quiring about power choices RC OldTimers reference specifically engines shown original drawings comparison contemporary power plants written piece about early columns perhaps others have become interested subject re cently also would have oppor tunity read column Basically SAM rules limit engine size 10 cu displacement per 225 sq wing total area Four-cycle power plants considered 60% glow dis placement pretty fair guideline except tremendous disparity exists power per displacement between engines As example consider Duke Foxs two 19s cross-flow version would pull 450 sq Old-Timer realistic calm manner other hand 19 BB Schnuerle unit would pull same model climb rates comparable FAT Power FF model As matter fact wing would jeopardy folding beefed up same comparisons apply engines nearly displacement So experience power choice related type flying interested low-key sport flying Schnuerle units need 300 350 sq per 10 cu displacement Fox BB better-suited 600-700 sq model example fire-breathing Schnuerle 40 would bestsuited 1200 1400 sq model sport role competition motivator means power better personal experience fourstrokers seems indicate 60% rule bit underestimate incred ible little jewels sport flying rec ommend using 70% factor cur rently flying model set up can switch 05 25 FSR 05 40 four-stroke model aerobatic 25 much stronger four-stroker Vertical performance 25 slug gish will vertical eights stroker Ouch Somehow crossed up roll film notes SAM Champs lead photo November 1983 issue certainly Garami Molecule fact So Long being launched good friend Bill Baker Norman OK Ill never live mistake down Another error popped up caption under Marion Knights electric model September 1983 column photos provided guest-writer Dick Haung Continued page 146 144 Model Aviation