Free Flight: Duration

Free Flight DURA TION Bob Meuser OUTDOOR HLG record broken now probably know Bill Blanchards record some eight years standing has broken Bill broke own record times Ive lost count put up some thing worth shooting Bill sort dropped out competition after winning both Indoor Outdoor HLG Open age classes 1977 Nats much left encores after Meanwhile several fliers particularly South ern California have making specific effort break Bills record Notable among Jim Lueken first year flying Senior copped Tulsa Glue Dobbers Trophy high time Outdoor HLG 1977 Nats beating Blanchards Open score Since time Jim has acquired truckload trophies event recently young Mike McKeever has entered fray using Jims Shock Wave design toppled Blanchards record US Free Flight Champs note Mike regarding record-breaking per formance As far record concerned flying wasnt difficult OK say Mike others seemed have little culty RBM day perfect HLG flying plenty other models around mark lift finished flying 1230 missed first attempt about 800 am flight 90 sec 120 seconds max After posted 12 straight maxes plus poor 28-second final flight three four flights depended indications Mylar streamers mark thermals other flights launched model near other models seemed thermals Having large wing 19-in span plenty wash-in inboard wing panel model very consistent once got lift pop-up-tail dethermalizer ensured getting model back after max makes sound easy Mike hopes breaking record might generate enough interest event encourage someone perhaps Blanchardto try break record Stickum tapes color width fingertips ultra-light boot Both black colored pressure-sensitive tapes various widths available artist supply stores making own cinch end product better variety widths colors combinations thereof endless Youll need roll Scotch Magic Transparent 4 4 42 4 - SI2OCk WAVE TIM LVE1Cf 11 4 1 2 -i-i 4 K xx Zn 20 4J Heres Jim Luekens Shockwave Outdoor HLGMike McKeever set Open record f 70 Model Aviation Dale Mateers about send Fox 29-powered French Wench 560 orbit R Erickson photo Mike McKeever R now holds Open OHLG record Jim Lueken L designed theirShockwaves Tape piece glass Formica-type material single-edge razor blade metal straightedge spray-can enamel color choice Now could quit right inas much get paid word Editors note lies RMcM wont Narrow strips plate glass k crystal sheet 3/16 thick discarded ton glass shops theyll probably give whatever need might grind off sharp edges buck two Lacking living room window will Stick strips tape glass stand back spray Glass has advantage over other materials can judge thickness paint film transmitted light Now using razor blade straightedge slice strips favorite widths want flat colors use Pactra Scale Model Flats glossy regular Pactra colors can get model railroad supplies outlet colors have funny names like Caboose Red youll just have cope Other brands avail able might well want flat finish color want available glossy use overspray flat trans parent coat have model spray gun just love clean up after job means buy bottles paint rather spray cans Pelegi world-record Helicopter revisited As result photo showed February issue myself Pelegi rubber-power copter received some information Franco Marcenaro Ft Worth TX Frank left Italy seven years ago knows Jiulio Anna Pelegi well lived few blocks Genoa fact participated design model key feature Pelegis design unlike other rubber-power copter world have heard flying vanes vanes free rotate about quarter-chord points counterweighted balance equipped tiny horizontal tails keep flyng perhaps 60 angle way vanes Free Flight engine-powered copters have always built course Well turns out such vane system invented fellow Italian lived just down coast ways Pisa named DAscanio built man-carrying copter flew under acceptably good controlhe lived through set sorts ofFAl records back 1930 Apparently no commercial exploitation idea DAscanio went design Piaggio Vespa motorscooter some eight million have produced DAscanio copter two-coaxialrotor affair giving no torque reaction Rotor blade pitch under pilots control roll pitch yaw controlled three props situated outriggers oriented proper directions Thats right clever solution did control fool things ip clutches ntrolable pitch suspect busy little rascal Thread Scale-model rigging pur pose nice use thread has little springiness like good old-fashioned nylon thread before added Dacron to take Out springiness havent able find stuff Notions departments years monofilament nylon thread sell now adays doesnt job discovered kind nylon thread want sold Rod Winding Thread outfits catering do-ityourself fishing rod makers brand Orvis 10 River Road Manches terVT05254 Specify CatalogNumberJR9l 11 Color 08 black Other colors available price $300 100-yard spool plus sales tax Vermont California plus $315 shipping havent tried Orvis brand description seems right orders call 802362-1300 For technical information call 802362-3434 Frank Zaic outdoes himself true-blue Free Flighter owns complete set Model Aeronautic Yearbooks pox you dont well least small pox Theyre avail able AMA Supply Service Franks latest publishing effort called ModelAirplanes TheAmerican Boy 192 7-1 934 result 16-year effort collect articles published American Boy magazine under banner Airplane Model League America AMLA articles re printed Franks 160-page 8 x 11-in book addition earlier articles dealing model aviation authored Willim B Stout aviation achievements include design Ford Trimotor ads everything automobiles banjos muscle-building corre spondence courses alleged funnybone ticklers Teacher Jimmy give sentence using word deceit Jimmy wear pants patches de seat gosh knows what could fill entire column just telling about book would better simply bought saw yourself price $950 post paid Order Model Aero Publications Box 135 Northridge CA 91328 Its also available Supply Service Section AMA Headquarters An incident concerning incidence jar gon Free Flight modeling incidence short-talk angie incidence Any trueblue card-carrying Free Flighter lawabiding aeronautics book will confirm angie incidence angie between wing fuselage second thought make arbitrary line side-view fuse lage rather fuselage could top fuselage bottom something between thrust line engine anything designer chose horizontal reference line started laying out side view model Well should make pretty clear what meant fuselage its arbitrary line somewhere Now comes problem measure between well-defined line wing Most FF airfoils either flat-bottomed undercambered So usually reference airfoil line through bottom airfoil trailing edge first part airfoil line hits rotate up towards bottom airfoil After rewriting sentence 14 times can already tell Im getting trouble other problems airfoilcoordinate tables laid out reference line line through bottom trailing edge center nose-radius circle perhaps thats line person referring uses term incidence clarify things theorists will quickly point out line-of-reference regarding wing has real significance zero-lift line zero-lift line root section section chord honored mean aerodynamical chord entire wing something else Golly forgot ask Continued page 156 December 1982 71 jerry narness senos ren 4u-powerea aseiiie 778 aloftit 1st combined B-C Gas Hampton Brainbusters spring meet Erickson Thats Nat Comfort aiming Shocer 480 thermal Cox 15 power Erickson photo Dale Mateer againthis time heaving Staydesigned Wasp built-up wing skyward Photo Rick Erickson gentle landing As early catapult launches appear sufficiently safe may pull rubber further further hack power further pull hack higher longer flight careful launch model anyone near expected flight path hope enjoy two little ships have heritage pleasurable hours spent years ago company Jim Walkers progeny FF Duration/Meuser Continued page 71 Well no need prolonging dis cussion since now should crystal clear incidence angle between arbitrary line somewhere immediate en virons fuselage another arbitrary line somewhere around wing now having cleared up must confess interest clarity have made oversimplification second thought turns out term incidence also sometimes applied horizontal tail should cause no problem term should apply tail SAFE FLYING IS NO ACCIDENT J JftJ N CA 6409 Airfoil THERMIC 72' Shoped Pod Blocks 72 Wingspon 410 sq Areo $2950 Postage & Handling add $2 95 CA ZAIC CO INC 883 Lexington Ave Brooklyn New York 156 Model Aviation Designed /Ge 7bZ Minimaster Easy build. easy fly. racy. rugged. full fight U Wingspan 49W ne 15-25 Area 416 sq U Weight 34 lbs ANDREWSA AIRCRAET MODEL COMPANY 2U division Great Planes Model Manufacturing CompanyAvailable local hobby shop AeromasterA-Ray ThainermasterH-Ray MinimasterBig H-Ray SportmasterX-Ray Q / WORST CASE oF NIC-UPS IVE EVER sEEN sq 900/0 pre-built Dalsa coy b%5 wing sc& ,z Flat bottom air foil Only join wing halves add cap-strips & leading edge Jig pre-built fuselage add -Ytail-feathers other minor finish ing truly forgiving trainer 35-40 engine size Johnny Cashburn Manufacturing 5821 E Rasedale Fsrt Worth TX 76112 Month Only 5 00 List $4995 Phone Day 817/451-1570 Night 817/572-1452 LPrlces Subject ta change wiihOt notC5 add $200 tar shiggjing S2Td Super Mini Boy Recommended Engines Radios Mufflers Helicopter tools stock Worlds stable easiest fly small 40 size RIO Helicopter Low maintenance mechanics engineer ed Dieter Schluter Father RIO Helicopters Features fully collective Bell mixing main rotor head upright spinner starting straight shaft driven tail rotor & automatic compensation symmet rical prebuilt main rotor tail rotor blades autorotation clutch Uses standard 4 chanel radio Kits parts stock guarantee helicopters fly Ask man flies Move up Schiuter Sifr UUSWAW IflC subsidiary MINIATURE AIRCRAFT 2594 North Orange Blossom Trail ndo Phone 3O5I4221531 FL 32804 surface well wing right So lets see tail set minus 1 0 increasing incidence tail would mean setting hori zontal tail negative angle some people would hold increasing negative number means make less negative weird might seem Clearly though stab already set plus 1 0 positive increasing incidence 10 means making 20 shouldnt problem about some people would have problem modelers indeed Free Flighters use term incidence mean differeoce angle between wing tail angle foremost surface whether wing tail consider canard greater angle behindermost surface incidence positive increasing incidence means increasing looping tendency aircraft course definition doesnt square some definitions tail-plane inci dence used pretty good term dif ference angle between wing tail namely decalage Prior some time around 1915 NACA defined decalage precisely way Later however term decalage became reserved difference incidence angles between top bottom wings biplanes Somewhere became height fashion use mouthful longitudinal dihed ral difference between wing tail angles sake definiteness strongly urge Free Flight community quit using term incidence applied anything other wing inasmuch becomes ambiguous applied tail aircraft whole As regards tail aircraft whole urge use term decalage describe HENDETOON 1tJ ACT M&UEL 5CALE 2 December 1982 157 Shes surprisingly easy handle. can realh get up go. er WING SPAN 5u LENGTH 39 WEIGHT 5-6 LBS POWER 40 C0Vir-ii i BABYLON RD HORSI-IAM PA 19044 model matter TM MODEL IPORT Fif ONLY 17995 * New Medol Cronies fluids infidels tur fluid ropairs aud siprng Fuculago cradles adjcst up re Owide nit dud ruloscope 4 -~A L MOTOR MUGTM htgh qualtty totally glazed ceramic engine mug must modeler holiday season standing 5 inches tall large 10 oz capacity its real attention getter definite collectorrs piece years come ORDER NOW FOR THE HOLIDAYS ONLY $695 ER PLUS $200 POSTAGE & HANDLING PER ORDER RJL INDUSTRIES OX 5654 DENA CA 91107 795-9821 OVEN GLAZED LIMITED PRODUCTION difference angle between lifting surface horizontal stabilizer Increasing decalage means lifting LE foremost surface lowering its TE lowering LE behindermost surface raising its TE Im sure some biplane enthusiasts will have some difficulty proposal therefore urge FF biplaners write about Both Bob Meuser 4200 Gregory Str Oaklana CA 94619 FF Old-Timers/Haught Con fin ued page 72 thing about heavy ignition coil situation Martins firm acquired some coil-winding equipment set about producing small efficient coil coil weighs 116 ounces will operate two AAA-size batteries brings weight ignition system 222 ounces less wiring timer can vary considerably least gives some options can obtain lightweight system Well cant least right away Martin will go production sufficient interest products coils will go $1300 condensers $150 battery boxes AAA $200 Write Martin above address advise him needs Small ships Speaking small models engines recently test-ran Simplex Hornet 19 engine started easily responded well needle valve spark advance engine would run slow 4000 rpm high 10000 rpm 9-4 wood prop 10000rpm very good 19 sideport engine makes very competitive contest circuit low-end rpm would good Scale fuel-allotment events As always John Morrills engines workmanship finish superb However production run Hornet 19 well Simplex 25 sold asked John plans another batch hes sure interested contact Simplex Miniature Engines 143 Rich mond Avenue El Segundo CA 90245 See Oh Two Some time ago wrote about compressed-air engines Bill Zand Cleve land Free Flight Society sent photos Brown appropriate CO-2-powered Mini Ruler CFFS flies models 50-sec precision event Cant imagine fun-filled relaxing event Power output current CO-2 engines adjustable little experi mentation props still-air flight time could regulated Possible subjects endless OT design can scaled down also Scale plans available OT era Bob Stalick Willamette Modelers Albany OR pioneered some activity along lines building scaled-down Miss America flown conjunction regular Indoor season may official SAM event little promotion could go over big local meets lot Bull Clarence Bull Eugene OR fan Brown Jr engines also avid competitor Control Line Free Flight especially Old-Timer Free Flight Clarence has come up Brown Bull Trophy pictured herein perpetual trophy goes winner Brown-powered event con cept new have special trophies dedicated particular engines O&R 23s Delong 30s slag engines etc big 158 Model Aviation DoCo * Model Sport Tote compact lightmeight 21o tO * Special coated surface fuel water resistant * Carries starter t2 c battery power panel transmitter & has hooks coiling glow plug & starter cords statal2 fltrer rne rarer * All Aluminum folding legs Both lid sides oen access onbrea able tray orgeniaer inside See Dealer firstlDOCO Producti Inc 4573 Grover Itrt Otmolte flbeko 58144 Way maintain nicads $ ONLY LE CYCLER pay another charger already own Cycle Rx Tx packs easy way throughout year SIMPLE CYCLER gives audible warning packs discharged level recommended manu facturer salely recharge radio systems charger can easily determine percentage power consumed remaining pack Stmple safe cheap Connectors included oRED 22 See local hobby shop ucts made US Send S ASE full rnurrO3tiOn cRam 4736 N Milwaukee AveChicago IL 60630 IF UNAVAILABLE LOCALLY ADD $100 FOR DIRECT ORDER NO COD

Free Flight DURA TION Bob Meuser OUTDOOR HLG record broken now probably know Bill Blanchards record some eight years standing has broken Bill broke own record times Ive lost count put up some thing worth shooting Bill sort dropped out competition after winning both Indoor Outdoor HLG Open age classes 1977 Nats much left encores after Meanwhile several fliers particularly South ern California have making specific effort break Bills record Notable among Jim Lueken first year flying Senior copped Tulsa Glue Dobbers Trophy high time Outdoor HLG 1977 Nats beating Blanchards Open score Since time Jim has acquired truckload trophies event recently young Mike McKeever has entered fray using Jims Shock Wave design toppled Blanchards record US Free Flight Champs note Mike regarding record-breaking per formance As far record concerned flying wasnt difficult OK say Mike others seemed have little culty RBM day perfect HLG flying plenty other models around mark lift finished flying 1230 missed first attempt about 800 am flight 90 sec 120 seconds max After posted 12 straight maxes plus poor 28-second final flight three four flights depended indications Mylar streamers mark thermals other flights launched model near other models seemed thermals Having large wing 19-in span plenty wash-in inboard wing panel model very consistent once got lift pop-up-tail dethermalizer ensured getting model back after max makes sound easy Mike hopes breaking record might generate enough interest event encourage someone perhaps Blanchardto try break record Stickum tapes color width fingertips ultra-light boot Both black colored pressure-sensitive tapes various widths available artist supply stores making own cinch end product better variety widths colors combinations thereof endless Youll need roll Scotch Magic Transparent 4 4 42 4 - SI2OCk WAVE TIM LVE1Cf 11 4 1 2 -i-i 4 K xx Zn 20 4J Heres Jim Luekens Shockwave Outdoor HLGMike McKeever set Open record f 70 Model Aviation Dale Mateers about send Fox 29-powered French Wench 560 orbit R Erickson photo Mike McKeever R now holds Open OHLG record Jim Lueken L designed theirShockwaves Tape piece glass Formica-type material single-edge razor blade metal straightedge spray-can enamel color choice Now could quit right inas much get paid word Editors note lies RMcM wont Narrow strips plate glass k crystal sheet 3/16 thick discarded ton glass shops theyll probably give whatever need might grind off sharp edges buck two Lacking living room window will Stick strips tape glass stand back spray Glass has advantage over other materials can judge thickness paint film transmitted light Now using razor blade straightedge slice strips favorite widths want flat colors use Pactra Scale Model Flats glossy regular Pactra colors can get model railroad supplies outlet colors have funny names like Caboose Red youll just have cope Other brands avail able might well want flat finish color want available glossy use overspray flat trans parent coat have model spray gun just love clean up after job means buy bottles paint rather spray cans Pelegi world-record Helicopter revisited As result photo showed February issue myself Pelegi rubber-power copter received some information Franco Marcenaro Ft Worth TX Frank left Italy seven years ago knows Jiulio Anna Pelegi well lived few blocks Genoa fact participated design model key feature Pelegis design unlike other rubber-power copter world have heard flying vanes vanes free rotate about quarter-chord points counterweighted balance equipped tiny horizontal tails keep flyng perhaps 60 angle way vanes Free Flight engine-powered copters have always built course Well turns out such vane system invented fellow Italian lived just down coast ways Pisa named DAscanio built man-carrying copter flew under acceptably good controlhe lived through set sorts ofFAl records back 1930 Apparently no commercial exploitation idea DAscanio went design Piaggio Vespa motorscooter some eight million have produced DAscanio copter two-coaxialrotor affair giving no torque reaction Rotor blade pitch under pilots control roll pitch yaw controlled three props situated outriggers oriented proper directions Thats right clever solution did control fool things ip clutches ntrolable pitch suspect busy little rascal Thread Scale-model rigging pur pose nice use thread has little springiness like good old-fashioned nylon thread before added Dacron to take Out springiness havent able find stuff Notions departments years monofilament nylon thread sell now adays doesnt job discovered kind nylon thread want sold Rod Winding Thread outfits catering do-ityourself fishing rod makers brand Orvis 10 River Road Manches terVT05254 Specify CatalogNumberJR9l 11 Color 08 black Other colors available price $300 100-yard spool plus sales tax Vermont California plus $315 shipping havent tried Orvis brand description seems right orders call 802362-1300 For technical information call 802362-3434 Frank Zaic outdoes himself true-blue Free Flighter owns complete set Model Aeronautic Yearbooks pox you dont well least small pox Theyre avail able AMA Supply Service Franks latest publishing effort called ModelAirplanes TheAmerican Boy 192 7-1 934 result 16-year effort collect articles published American Boy magazine under banner Airplane Model League America AMLA articles re printed Franks 160-page 8 x 11-in book addition earlier articles dealing model aviation authored Willim B Stout aviation achievements include design Ford Trimotor ads everything automobiles banjos muscle-building corre spondence courses alleged funnybone ticklers Teacher Jimmy give sentence using word deceit Jimmy wear pants patches de seat gosh knows what could fill entire column just telling about book would better simply bought saw yourself price $950 post paid Order Model Aero Publications Box 135 Northridge CA 91328 Its also available Supply Service Section AMA Headquarters An incident concerning incidence jar gon Free Flight modeling incidence short-talk angie incidence Any trueblue card-carrying Free Flighter lawabiding aeronautics book will confirm angie incidence angie between wing fuselage second thought make arbitrary line side-view fuse lage rather fuselage could top fuselage bottom something between thrust line engine anything designer chose horizontal reference line started laying out side view model Well should make pretty clear what meant fuselage its arbitrary line somewhere Now comes problem measure between well-defined line wing Most FF airfoils either flat-bottomed undercambered So usually reference airfoil line through bottom airfoil trailing edge first part airfoil line hits rotate up towards bottom airfoil After rewriting sentence 14 times can already tell Im getting trouble other problems airfoilcoordinate tables laid out reference line line through bottom trailing edge center nose-radius circle perhaps thats line person referring uses term incidence clarify things theorists will quickly point out line-of-reference regarding wing has real significance zero-lift line zero-lift line root section section chord honored mean aerodynamical chord entire wing something else Golly forgot ask Continued page 156 December 1982 71 jerry narness senos ren 4u-powerea aseiiie 778 aloftit 1st combined B-C Gas Hampton Brainbusters spring meet Erickson Thats Nat Comfort aiming Shocer 480 thermal Cox 15 power Erickson photo Dale Mateer againthis time heaving Staydesigned Wasp built-up wing skyward Photo Rick Erickson gentle landing As early catapult launches appear sufficiently safe may pull rubber further further hack power further pull hack higher longer flight careful launch model anyone near expected flight path hope enjoy two little ships have heritage pleasurable hours spent years ago company Jim Walkers progeny FF Duration/Meuser Continued page 71 Well no need prolonging dis cussion since now should crystal clear incidence angle between arbitrary line somewhere immediate en virons fuselage another arbitrary line somewhere around wing now having cleared up must confess interest clarity have made oversimplification second thought turns out term incidence also sometimes applied horizontal tail should cause no problem term should apply tail SAFE FLYING IS NO ACCIDENT J JftJ N CA 6409 Airfoil THERMIC 72' Shoped Pod Blocks 72 Wingspon 410 sq Areo $2950 Postage & Handling add $2 95 CA ZAIC CO INC 883 Lexington Ave Brooklyn New York 156 Model Aviation Designed /Ge 7bZ Minimaster Easy build. easy fly. racy. rugged. full fight U Wingspan 49W ne 15-25 Area 416 sq U Weight 34 lbs ANDREWSA AIRCRAET MODEL COMPANY 2U division Great Planes Model Manufacturing CompanyAvailable local hobby shop AeromasterA-Ray ThainermasterH-Ray MinimasterBig H-Ray SportmasterX-Ray Q / WORST CASE oF NIC-UPS IVE EVER sEEN sq 900/0 pre-built Dalsa coy b%5 wing sc& ,z Flat bottom air foil Only join wing halves add cap-strips & leading edge Jig pre-built fuselage add -Ytail-feathers other minor finish ing truly forgiving trainer 35-40 engine size Johnny Cashburn Manufacturing 5821 E Rasedale Fsrt Worth TX 76112 Month Only 5 00 List $4995 Phone Day 817/451-1570 Night 817/572-1452 LPrlces Subject ta change wiihOt notC5 add $200 tar shiggjing S2Td Super Mini Boy Recommended Engines Radios Mufflers Helicopter tools stock Worlds stable easiest fly small 40 size RIO Helicopter Low maintenance mechanics engineer ed Dieter Schluter Father RIO Helicopters Features fully collective Bell mixing main rotor head upright spinner starting straight shaft driven tail rotor & automatic compensation symmet rical prebuilt main rotor tail rotor blades autorotation clutch Uses standard 4 chanel radio Kits parts stock guarantee helicopters fly Ask man flies Move up Schiuter Sifr UUSWAW IflC subsidiary MINIATURE AIRCRAFT 2594 North Orange Blossom Trail ndo Phone 3O5I4221531 FL 32804 surface well wing right So lets see tail set minus 1 0 increasing incidence tail would mean setting hori zontal tail negative angle some people would hold increasing negative number means make less negative weird might seem Clearly though stab already set plus 1 0 positive increasing incidence 10 means making 20 shouldnt problem about some people would have problem modelers indeed Free Flighters use term incidence mean differeoce angle between wing tail angle foremost surface whether wing tail consider canard greater angle behindermost surface incidence positive increasing incidence means increasing looping tendency aircraft course definition doesnt square some definitions tail-plane inci dence used pretty good term dif ference angle between wing tail namely decalage Prior some time around 1915 NACA defined decalage precisely way Later however term decalage became reserved difference incidence angles between top bottom wings biplanes Somewhere became height fashion use mouthful longitudinal dihed ral difference between wing tail angles sake definiteness strongly urge Free Flight community quit using term incidence applied anything other wing inasmuch becomes ambiguous applied tail aircraft whole As regards tail aircraft whole urge use term decalage describe HENDETOON 1tJ ACT M&UEL 5CALE 2 December 1982 157 Shes surprisingly easy handle. can realh get up go. er WING SPAN 5u LENGTH 39 WEIGHT 5-6 LBS POWER 40 C0Vir-ii i BABYLON RD HORSI-IAM PA 19044 model matter TM MODEL IPORT Fif ONLY 17995 * New Medol Cronies fluids infidels tur fluid ropairs aud siprng Fuculago cradles adjcst up re Owide nit dud ruloscope 4 -~A L MOTOR MUGTM htgh qualtty totally glazed ceramic engine mug must modeler holiday season standing 5 inches tall large 10 oz capacity its real attention getter definite collectorrs piece years come ORDER NOW FOR THE HOLIDAYS ONLY $695 ER PLUS $200 POSTAGE & HANDLING PER ORDER RJL INDUSTRIES OX 5654 DENA CA 91107 795-9821 OVEN GLAZED LIMITED PRODUCTION difference angle between lifting surface horizontal stabilizer Increasing decalage means lifting LE foremost surface lowering its TE lowering LE behindermost surface raising its TE Im sure some biplane enthusiasts will have some difficulty proposal therefore urge FF biplaners write about Both Bob Meuser 4200 Gregory Str Oaklana CA 94619 FF Old-Timers/Haught Con fin ued page 72 thing about heavy ignition coil situation Martins firm acquired some coil-winding equipment set about producing small efficient coil coil weighs 116 ounces will operate two AAA-size batteries brings weight ignition system 222 ounces less wiring timer can vary considerably least gives some options can obtain lightweight system Well cant least right away Martin will go production sufficient interest products coils will go $1300 condensers $150 battery boxes AAA $200 Write Martin above address advise him needs Small ships Speaking small models engines recently test-ran Simplex Hornet 19 engine started easily responded well needle valve spark advance engine would run slow 4000 rpm high 10000 rpm 9-4 wood prop 10000rpm very good 19 sideport engine makes very competitive contest circuit low-end rpm would good Scale fuel-allotment events As always John Morrills engines workmanship finish superb However production run Hornet 19 well Simplex 25 sold asked John plans another batch hes sure interested contact Simplex Miniature Engines 143 Rich mond Avenue El Segundo CA 90245 See Oh Two Some time ago wrote about compressed-air engines Bill Zand Cleve land Free Flight Society sent photos Brown appropriate CO-2-powered Mini Ruler CFFS flies models 50-sec precision event Cant imagine fun-filled relaxing event Power output current CO-2 engines adjustable little experi mentation props still-air flight time could regulated Possible subjects endless OT design can scaled down also Scale plans available OT era Bob Stalick Willamette Modelers Albany OR pioneered some activity along lines building scaled-down Miss America flown conjunction regular Indoor season may official SAM event little promotion could go over big local meets lot Bull Clarence Bull Eugene OR fan Brown Jr engines also avid competitor Control Line Free Flight especially Old-Timer Free Flight Clarence has come up Brown Bull Trophy pictured herein perpetual trophy goes winner Brown-powered event con cept new have special trophies dedicated particular engines O&R 23s Delong 30s slag engines etc big 158 Model Aviation DoCo * Model Sport Tote compact lightmeight 21o tO * Special coated surface fuel water resistant * Carries starter t2 c battery power panel transmitter & has hooks coiling glow plug & starter cords statal2 fltrer rne rarer * All Aluminum folding legs Both lid sides oen access onbrea able tray orgeniaer inside See Dealer firstlDOCO Producti Inc 4573 Grover Itrt Otmolte flbeko 58144 Way maintain nicads $ ONLY LE CYCLER pay another charger already own Cycle Rx Tx packs easy way throughout year SIMPLE CYCLER gives audible warning packs discharged level recommended manu facturer salely recharge radio systems charger can easily determine percentage power consumed remaining pack Stmple safe cheap Connectors included oRED 22 See local hobby shop ucts made US Send S ASE full rnurrO3tiOn cRam 4736 N Milwaukee AveChicago IL 60630 IF UNAVAILABLE LOCALLY ADD $100 FOR DIRECT ORDER NO COD