Keep Simple Stupid Barry Baxter KSthe acronym Keep Simple Stupidhas seen lost sight industries pastimes road noble concept filled ruts potholes detours call difficulties design compromises will describe some compromises required designing model attempting maintain purest KISS concepts first design consideration primary function model want event-specific model sport plane much strength weight maneuverability want Control line model designs usually based amount maneuverability and/or speed desired modem 40 Model Aviation Engine tank landing gear detail Note fuel filter single screws holding gear wire Use light wheels Below left Wing structure controls LE routed save weight Below right Solid wire leadouts used two-inch Perfect bellcrank competitive Stunt model built perform smooth stable maneuvers slow speed built thick wing flaps large enginethe former actually slow model down dampen maneuverability latter supply adequate power maintain speed maneuvers Since KISS basic trainer beginners Stunt trainer advanced fliers needed provide reasonable amount strength novices occasional inadvertent contact terra firma yet model maneuverable enough whet desires advanced fliers Optimum model size primary consideration larger model easier break Since model perform trainer must break too easily Because KISS trainer powerplants considered engines can flaicky disheartening beginner can real bear make perform properly aerobatics 09- 15 size engines available reasonable cost simple operate light enough allow us build small modelone prone breakage large enough maneuverable yet stable simplistic KISS model would rock-on-a-string concept some people feel proper trainers overweight undersized slab-winged solid-balsa 1/2A designs barely capable becoming airborne offer virtually no training what proper control response should expected other fact anything will probably go down can teach new pilot go around circles can rock string old adage flying full-sized aircraft want go up pull back stick want go down pull back farther profile fuselage design compromise standard profile model construction methods make fragile crash fuselage invariably breaks behind wing Profile fuselages also bend twist control inputs tends make flying little less precise Giant fillets have added design support fuselage reduce twisting crash damage shape profile fuselages course purely styling exercise model based combination 1930s racers Brewster fighters aerodynamic consideration have side area toward tail reduce yaw lack thick fuselage can made up having larger fin rudder wing low-aspect-ratio design adequate wing area maintained keeping span short reduce leverage longer wingtips provide long thin wings pure performance standpoint high-aspect-ratio wing offers better maneuverability less speed loss through April 1994 41 Type CL trainer Wingspan 32 inches Engine size/type 09-15 Flying weight 16 ounces Construction Built-up wing sheet fuselage/tail Covering/finish MonoKote/ Micafilm wing fuelproof finish wood surfaces Full Size Plans AvailableSee Page 160 iI Ii w -mm II //m 4i /m u mmjf ____ 0/V IIIhIIIhZ \\ \ -a ____________ -UU.kLfl SMD 4W bamm COIN // / / I_ A--UU ___ U [RPM_____ -I m -_ LANDING GEAR INSTALLATION Y0 S KJSS II WING SPAN S WING ANNA MS SQ IN II DESIGNED AND DRAWN fly NANNY RAIIIN maneuvers much easier break Since KISS designed quick construction wing uses off-the-rack leading trailing edges large trailing edge strengthening device Using pieces airfoil bit thinner optimum great maneuverability construction allows covering sag somewhat between ribs further reducing ultimate maneuverability design airplane isnt quite maneuverable compromises cut ultimate out design Airfoils have run gamut ideas after 35 years playing contraptions best airfoils have found range 14%-18% thickness high point about 30% chord curve high point leading edge should very close ellipse thicker airfoil tighter model will turn expense speed experience variations airfoils basic format has usually given model slowed down excessively maneuvers driving factor deciding thickness airfoil lies availability commercially finished leading edges ribs fit 1 x 1 leading edge Its ultimate stunting airfoil maintains first priority Continued page 68 42 Model Aviation D 7N Wm IL Kwsm j U II __________________ II 1 Jean Williams prepares launch KISS Ruben Borunda Note good bank angle MVVS 15 diesel has adequate power size model TURBINE FEVER want new jet model look like jet also FLYLIKEA JET first turbojet engine kit now available diameter appro proved design sound pe -fuel either di simple no noise probi Please contact International WIRE DCUfl BENDS AND FORMS WIRE AND STRIPS OF METAL IN ANGLES CURVES LOOPS ETC Na WB1 00- $400 OUURI1 PUNCH SET CUTS SQUARES AND SLOTS SET INCLUDES SIZES 1/8. 3/18 114 E/163/8 HADE FM NICKEL PLATED STEEL No SPS5 £1200 BRUSHES 3 PCS MINLATURE WIRE BRUSH SET ONE EACH 9pp55 NYLON STAINLESS MWB3 300 T-PIN 1 1/4 100 PACK TP1 4 $200 ZONA SAWS 15042 TEETH 314$230 20032 TEETH 3/4230 250MITRE BOX250 450 SUPER SABRE ,' ,, LONG & SHORT BLADE aso 500 1 1/4 WIDE 270 BOO ZONA HAKA JUNIOR HACKSAW 165 DRILL SETS FIRST QUALITY HIGH SPEED STEEL AlL BETS SUPPUED IN CASE DS1611/18lo1/2 /81 p0- IBEC 06162 TO Z 09- Sc NEEDLE FILE SET S1/2-12SHAPES PLASTIC HANDLE WITH EACH FILE GREAT ON WOOD PLASliC METAL No NFS1O1 -$500 INDUSTRIAL QUALITY XTRA HEAVY DUTY 12 SHAPE 4 LONG $650 NG $800 DREMEL 3950 TOP OF ThE LINE MOTO POWER TOOL SET INCLUDES 40 ACCESSORIES AND CASE No 3950 $7000 EPOXY BRUSHES MADE IN LISA 12/PACK No EB12- $100 Doz No EB144 -$700 GrOSS PIN VWE STAINLESS STEEL -0 TO 18 CAP PV4 4 LONG $400 PV6 6 LONG 600 PV1O-10-LONG- 800 PV1B -15- LONG -1000 PV614- CIa 1/4 CapacIty-$600 TUBE CUlTER 1/B TO S/B CAPACrTY HEAVY DUTY MADE FROM SEMI-STEEL No TC58 $400 HOBBY KNIFE BLADES No11 MADE IN USA ISO PACK NoHKB1 1- $650 SINGLE EDGE BLADES MADE IN USA FIRST OUAUTY NO9IGOPACK NoSEB102450 HEAVY DUTY NO 12 FIRST QUALITY 100 PACK Z PLIERS MAKES PERFECT Z BENDS WITH SQUEEZE No ZPL $1650 CUlTING MATS HEALS ITSELF AFTER EACH CUT AND SURFACE STAYS SMOOTH NON-GLARE GREEN FINISH CUT ON BOTH SIDES CM8 9 x 12 $1000 CM12 12 xiS 1500 HELPING HAND FIRST QUALITY THREE ARMS 2 ARMS WITh ALLIGATOR CLIPS 1 ARM WITh 2X GLASS 2 1/2 MAGNIFIER HH1 -$700 NORTH WESTERN CHOP SAW MAKSPRFECT MITRE CUTS 30 45 80 IN WOOD OR PLASliC USES SINGLE EDGE BLADE ADJ STOP NCS -$1450 T-UAH SANUH ALUMINUM MADE IN USA Til 11 LONG $230 T22 22 LONG $350 SANDPAPER RUFFTUFF ADHESIVE BACK $105 EA ISPECIFYFINEIRSPI MEDIUM IRsMI DR COARSE IRECII LONG DRILLSSET n ELECTRONIC CALIPER FIRST QUALITY HIGH SPEED STEEL1/16 i/a1ST INDUSTRIAL OUAUTY 12 LONG18 LONG5/32 LG1 1/16 $450 LG6 3/16 $15003/11/4READS IN INCHES AND METRIC LG2 1/8 450 LG7 7/32 1500 12 LONG 0-6- 0-155MM MOST POPULAR LG3 5/32450LOB 1/41500 LG9 $2100 -$5500 DS163-No ItoBO EOpcsSIB5C LG4 3/16450 DIAL CALIPER p5184 NoSI 802Opo- 12 SC LOS 1/4550. RDERINGl ___________________I1ST INDUSTRIAL QUAUTY P RD ADD $3OOio B 100 SINGLE REVOLUTION EASTERN TOOL&SUPPLYCO CODADD$750 o IN 149 GRAND STREET NEW YORK NY 10013 ORDERS 212925lG06I SAliN CHROME FINISH WRITE FOR CATALOG $300 OR FREE WITH ORDER OFFICE 212226374OI TH FITED CASE FAX 212-925-1010DC6 -$2100 Thanks Neal Chancellor Chairman Valkaria Airport making us feel very welcome Also Indian River Kontrol Club did great job putting race Contest Director Tom Bogut crew put lot hard work hours make race success Boy missed missed good 1994 race will beheld Dallas Texas start getting ready See ya IBaxter Continued page 42 model KISS decades-old argument about use effectiveness desirability flaps Flap travel up lOl5o can have positive effect maneuverability model particularly airfoil very efficient Speaking purely aerodynamic standpoint flap travel beyond 150 rapidly builds up drag offers little no increase lift wingtips have aerodynamic advantage over standard shapes As airplane flies low-pressure area side wing producing lift air opposite side attempts flow low pressure side especially tips produces flow air toward tips source wingtip vortices tips raked toward trailing edge flow around wingtips reduced causing increase effective wing area lift same effect produced winglets current full-size designs since models dont always fly right side up winglets would effective part time landing gear design another compromise simple standard thmugh-the fuselage gear lighter doesnt look good does offer ease removal case damage desire simply fly landing gear hardwood gear mount KISS stiffens center section wingKISS also uses substantial engine offset required lighter slower designs As model size weight increases centrifugal REGAIN CONTROL 37] Losing Control Cafl nightmare wrong response given Command Cafl take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half Century Combined experience modeling radio repair So avoid inflated repair Costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Futaba ______ ne jAIRThWfICS 5524 N Palafox Pensacola FL 32503 F repair information 904 434-0909 1-800-9627802 Toll Free Order Line lOrders Only PleaSell 68 Model Aviation * nih Am Grunen A-8813 St Lan AustrialE Tel-i-Fax 0043/ / 2422 Tel 0043 / 3585 / 2486 ~T lli No Matter put markings models now. DRY-SET better adhealon DRY-SET Markings stay put special adhesive sets low heat applied leaving marking permanently attached thickness measured microns thinnest markings available Only actual color transfered model no discernible edge Better paint iron coverings COlOL DRY-SET scale markings Federal Standard 595a colors certified independent laboratory DRY-SETs special formulations wont change color put model affordable DRY-SE transfers cost no water transfer pressure sensitive decals Over 300 different styles avajable See local &aler application No water mess stick want Simply position marking rub lightly andiron Low heat activate adhesive Easily applied solid open structures outline As simple may seem manufacturers dont get right DRY-SET scale markings meet applicable mil specs and/or standards fuelproof DRY-SETs proprietary chemistry stands up anything can throw Resists gasoline glow fuels up 50% nitro can use kind clear finishing system 7029 Sanger Avenue Woodway TX 817 741-0379 FAX817 741-0335 0 High & Dry REDI-RAC Transmitter Stand Holds transmitter start-up Protects radio dirt moisture Choice red white blue day-gb orange hot pink One-piece unit quickly snaps place unsnaps carry flat Great item raffles prizes gifts $1250 plus $150 S&H Cash Check MO Dealer Inquiries Invited Massachusetts orders add 5% MA sales taxClub Discounts Available Made USAPatent Pending JDM Products 543 Bedford Street Concord MA 01742 Tel 508 369-9212 force can replace offset amount rudder offset minimal because dont want model excessively yawed arc flying circle engine offset will hold model end lines rudder will control heading model small amount rudder offset nice engine has quit Wingtip weight should applied small doses spanwise center gravity model should just outside fuselage about 3A outside centerline fuselage wingtip weight effective during takeoff counteracting engine torque model released determine whether have right amount weight watch model pulling out loop wingover determine whether either wingtip drops outboard wingtip drops too much weight vice versa ounce usually enough model CONSTRUCTION First make yourself kit Cut out parts bend gear wires can get assembly mode Once start gluing beast goes together fast landing gear optional fly exclusively grass fields leave gear off Its unnecessary weight will tend nose airplane takeoffs landings choose install gear glue landing block leading edge stick ribs slots leading trailing edges Hold assembly together rubber bands make sure twists other misalignments removed before ribs glued Set wing up can stand about 10 feet behind look trailing leading edge Sec two edges aligned Once wing perfeefly straight glue ribs leading trailing edges Glue bellerank floor install control system KISS uses two-inch Perfect bellerank Carl Goldberg nylon control horn Engineering note Bellerank location particularly critical criteria being leadouts should pull straight out wing model its normal flight yaw angle prevent binding wear leadout location wingtip critical measurement leadouts too far forward model will tend slack lines too Continued page 78 70 Model Aviation AGE INSTRUCTION MANUAL ENLARGABLE PLANS & FULL SIZED PART PATTERNS TO BUILD 4 CHANNEL 05 ELECTRIC MOTOR POWERED RC DUCT FAN MIG 15 MODEL 4 SIZES OF FREE FLIGHT MIG 15 DUCT FAN MODELS & 1 RUBBER POWERED FREE FLIGHT MOD EL Retail price $2400 Shipping handling fee $400 Dealer inquires invited Ferrell Papic 300 W Lincoln #82 Orange Ca 92665 Catalog $200 prn . rn-N-u-u EEE UN UE1I EEUWm MUM U U U mu U SIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE E * 1* * 1* $625 $795 $895 B S $ 1295 $1495 $1695 $1395 $1595 I I U U U U UEEEEEEEEEEEEUEE m m m m m m m ASTE#J SOUW MUFFLERS an4 PIPES Alloy Steel Lightweight Fits 26 Modelso 58 4-Stroke lielicopter TESTED 88DB AT 3 METERS Clajence . RCM Engine Clinic MUFFLER THAT THINKS ITS PIPE Don Lowe. ident AMA STILL THE MOST EFFECEIVE MUFFLER HowaniCrispin. AMA Sound Committee U U U U P U U U U p I p I I I S S S r Call 203 877-1670 send 758 stamped #10 envelope & $3 credited 1st order DAVIS MODEL PRODUCTS Dealer Inquiries InvitedP0 Box 141 Dept M Milford CT 06460 Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels Special Detergents Promote clean burning prevent residue buildup Rust Inhibitors Protect engines corrosion After run oil needed engines Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer Satisfaction Guaranteed 00h Nitromethane 5% Nitromethane$325 10% Nitromethane$395 15% Nitromethane$395 25% Nitromethane$495 35% Nitromethane$595 SIG CHAMPION 2-STROKE FUEL PINTQUARTGALLON $995 $1295 $1495 $1695 $2295 $2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 15% Nitromethane$1625 SIG ALL-CASTOR FUEL 5% Nitromethane 20% CASTOR 10% Nitromethane 20% CASTOR 15% Nitromethane 20% CASTOR 5% Nitromethane 25% CASTOR 10% Nitromethane 25% CASTOR THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels excep tion All-Castor Fuels contain 5050 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself FREE SHIPPING ON ORDERS OVER $1500 BUT ALL ORDERS ARE SUBJECT TO $6OOIPkg UPS HAZARDOuS MATERIAL SURCHARGEPces subiect change notice Toll Fr. Order 1400-247-5008 Modelers NotlIn 1800-524-7805 Latest Catalog $300 SIG MANUFACTURING CO INC .Montezuma IA 50171 KiSSIBaxter Continued page 70 far back model will pull arm off level flight go slack maneuvers reason lot Stunt models now use adjustable leadouts dont get nght first time get try again easily Add upper lower planking wing tips Hinge stabilizer elevator using favorite method used nylon hinges commercial products acceptable old-fashioned cloth hinges shown plans Slide wing through fuselage glue assuring properly aligned Note fuselage mounted slightly right wing centerline allowing slightly wing area left inboard side model Since inboard wing flies slowly outboard wing area required equalize lift Install align stabilizer parallel wing Attach control horn pushrod adjust elevator travel about 3O up down wing fillets added next As mentioned earlier items styling exercises add significant strength Install maple engine mount beams plywood doublers Glue mdder note minimal offset Cover wing favorite material prototype covered gray MonoKoteone two iron-on covering materials other Micafllm resistant diesel fuel choose use glow engine choices numerous would recommend Micafllm novice pilot because high strength material Paint remainder model fuelproof paint favorite colors Install landing gear using screws washers hold landing gear wire hardwood mounts slot plans show use landing gear plates look photos will reveal screws washers used prototype arrangement works well Pick poison just remember KISS Position engine get center gravity CG want located within range shown plan farther forward CG less sensitive model Continued page 86 RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write call information RC Fight Training 704 3BB96B 78 Model Aviation U U Mbi HORNET 0747 I2anigaed byyI Lee JStaaRel.A IOI tIP tiplne Great performer giving hours low cost fun flying Although Cornet designed aroued Coe 074 Queen Bee 09 15 engines may used mr speed hot aerobatics plans parts supplied accosesodate option design very versatile various configurations o Durable Lee-weight model o Rachino-out AAA balsa * Built-op sdogs aed tail o Built-up fuselage Wheel pants parts o 141 ailerons Easy access covers Steerable tail wheel Full-sine illustrated plans instructions b c Private Be & servo mtg rails Special fuel tash mount Forecd shook-absorbing landing tail gear Symnetrical airfoil Bardeere package Engine ntg bolts Du-Bro 2-ne funi tank DoBin wheels On-Bro hinges Du-Bro control linkages DuBro control bonn Itasgel aileron links Plus misc hardusre Comprehensive handbook reveals save time frustration money getting yourwings Plus other things really need know $1275 ppd Wing Span 277 Wing Area 297 ngin Wing Loading 102-121 oapar uqft Weight 21-25 us $4995sic eguipnent Length 2h5 ADD $6 S&BRadio micro 4-channel 1034 River Bend Dr12 atd Hartford WI 53027 Winconnin Eesidcntn Add 1% Tan KiSSIBaxter Continued page 78 will Square corners tend suffer bit forward CG locations beginner forward location recommended engine can moved back pilot gains experience Limit model engines weigh no five ounces Most 09s will fall weight range some 15s such old Fox 15X will quite appropriate Anything heavier CC will end up too far forward good control response total model weight will increase unacceptable amount model weighed 16 ounces could have built much lighter careful wood selection prototype powered 33-ounce IVIVVS 15cc 09 diesel performed adequately MVVS starts tunes easily has ample power model engine available Carlson Engine Imports 814 East Marconi Avenue Phoenix Arizona 85022 price less $40 writing Master Airscrew 7 x 6 prop choice fuel contained 15 ounce approx Perfect tank held rubber bands hooked wires passing through fuselage other tank mounting techniques use pick own economy diesel engine flight time exceeds five minutes small tank KISS first flight performed author model went through AMA stunt maneuvers room spare 35-foot lines too-short lines lines available less 60 feet long second flight handled novice flier impressed way model flew after tested out strength plane hand-launch prang third flight flown man flown anything twenty years also impressed models stability problem dizziness did complete flight KISS has no nasty flight characteristics whether novice experienced pilot want fun simple flying machine can built quickly will enjoy rders Call 1-800-645-KITS lnlsrmatlon saIl 609448-1122 POSes 771 QENERIX East WIndsor NJ BSB2B Tomorrows Kits Affordable Prices Write Free Catalog s Add $500 COD Custom Kit Cutters s Plans Anyone Elses 86 Model Aviation sfaction Guaranteed M6I6 5H710 Pkg 24 $2e5 EA~ HINEZ THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier Install other hinge No gouging picking messy epoxies Simply Cut single knife slot hinge slide hinges place apply few drops favorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 7de Se4t C9e4 f4ia eaa MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 $3gg5 kil Span 48 Eng Radio 4 ucn,o no an, 0 Over 40 ioops per win unlimited rolls LOW WING PREDATOR $3gg5 &H 48 25 45 Fully acorobatic fun fly t competition Will roil & turn .a a
Edition: Model Aviation - 1994/04
Page Numbers: 40, 41, 42, 68, 70, 78, 86
Keep Simple Stupid Barry Baxter KSthe acronym Keep Simple Stupidhas seen lost sight industries pastimes road noble concept filled ruts potholes detours call difficulties design compromises will describe some compromises required designing model attempting maintain purest KISS concepts first design consideration primary function model want event-specific model sport plane much strength weight maneuverability want Control line model designs usually based amount maneuverability and/or speed desired modem 40 Model Aviation Engine tank landing gear detail Note fuel filter single screws holding gear wire Use light wheels Below left Wing structure controls LE routed save weight Below right Solid wire leadouts used two-inch Perfect bellcrank competitive Stunt model built perform smooth stable maneuvers slow speed built thick wing flaps large enginethe former actually slow model down dampen maneuverability latter supply adequate power maintain speed maneuvers Since KISS basic trainer beginners Stunt trainer advanced fliers needed provide reasonable amount strength novices occasional inadvertent contact terra firma yet model maneuverable enough whet desires advanced fliers Optimum model size primary consideration larger model easier break Since model perform trainer must break too easily Because KISS trainer powerplants considered engines can flaicky disheartening beginner can real bear make perform properly aerobatics 09- 15 size engines available reasonable cost simple operate light enough allow us build small modelone prone breakage large enough maneuverable yet stable simplistic KISS model would rock-on-a-string concept some people feel proper trainers overweight undersized slab-winged solid-balsa 1/2A designs barely capable becoming airborne offer virtually no training what proper control response should expected other fact anything will probably go down can teach new pilot go around circles can rock string old adage flying full-sized aircraft want go up pull back stick want go down pull back farther profile fuselage design compromise standard profile model construction methods make fragile crash fuselage invariably breaks behind wing Profile fuselages also bend twist control inputs tends make flying little less precise Giant fillets have added design support fuselage reduce twisting crash damage shape profile fuselages course purely styling exercise model based combination 1930s racers Brewster fighters aerodynamic consideration have side area toward tail reduce yaw lack thick fuselage can made up having larger fin rudder wing low-aspect-ratio design adequate wing area maintained keeping span short reduce leverage longer wingtips provide long thin wings pure performance standpoint high-aspect-ratio wing offers better maneuverability less speed loss through April 1994 41 Type CL trainer Wingspan 32 inches Engine size/type 09-15 Flying weight 16 ounces Construction Built-up wing sheet fuselage/tail Covering/finish MonoKote/ Micafilm wing fuelproof finish wood surfaces Full Size Plans AvailableSee Page 160 iI Ii w -mm II //m 4i /m u mmjf ____ 0/V IIIhIIIhZ \\ \ -a ____________ -UU.kLfl SMD 4W bamm COIN // / / I_ A--UU ___ U [RPM_____ -I m -_ LANDING GEAR INSTALLATION Y0 S KJSS II WING SPAN S WING ANNA MS SQ IN II DESIGNED AND DRAWN fly NANNY RAIIIN maneuvers much easier break Since KISS designed quick construction wing uses off-the-rack leading trailing edges large trailing edge strengthening device Using pieces airfoil bit thinner optimum great maneuverability construction allows covering sag somewhat between ribs further reducing ultimate maneuverability design airplane isnt quite maneuverable compromises cut ultimate out design Airfoils have run gamut ideas after 35 years playing contraptions best airfoils have found range 14%-18% thickness high point about 30% chord curve high point leading edge should very close ellipse thicker airfoil tighter model will turn expense speed experience variations airfoils basic format has usually given model slowed down excessively maneuvers driving factor deciding thickness airfoil lies availability commercially finished leading edges ribs fit 1 x 1 leading edge Its ultimate stunting airfoil maintains first priority Continued page 68 42 Model Aviation D 7N Wm IL Kwsm j U II __________________ II 1 Jean Williams prepares launch KISS Ruben Borunda Note good bank angle MVVS 15 diesel has adequate power size model TURBINE FEVER want new jet model look like jet also FLYLIKEA JET first turbojet engine kit now available diameter appro proved design sound pe -fuel either di simple no noise probi Please contact International WIRE DCUfl BENDS AND FORMS WIRE AND STRIPS OF METAL IN ANGLES CURVES LOOPS ETC Na WB1 00- $400 OUURI1 PUNCH SET CUTS SQUARES AND SLOTS SET INCLUDES SIZES 1/8. 3/18 114 E/163/8 HADE FM NICKEL PLATED STEEL No SPS5 £1200 BRUSHES 3 PCS MINLATURE WIRE BRUSH SET ONE EACH 9pp55 NYLON STAINLESS MWB3 300 T-PIN 1 1/4 100 PACK TP1 4 $200 ZONA SAWS 15042 TEETH 314$230 20032 TEETH 3/4230 250MITRE BOX250 450 SUPER SABRE ,' ,, LONG & SHORT BLADE aso 500 1 1/4 WIDE 270 BOO ZONA HAKA JUNIOR HACKSAW 165 DRILL SETS FIRST QUALITY HIGH SPEED STEEL AlL BETS SUPPUED IN CASE DS1611/18lo1/2 /81 p0- IBEC 06162 TO Z 09- Sc NEEDLE FILE SET S1/2-12SHAPES PLASTIC HANDLE WITH EACH FILE GREAT ON WOOD PLASliC METAL No NFS1O1 -$500 INDUSTRIAL QUALITY XTRA HEAVY DUTY 12 SHAPE 4 LONG $650 NG $800 DREMEL 3950 TOP OF ThE LINE MOTO POWER TOOL SET INCLUDES 40 ACCESSORIES AND CASE No 3950 $7000 EPOXY BRUSHES MADE IN LISA 12/PACK No EB12- $100 Doz No EB144 -$700 GrOSS PIN VWE STAINLESS STEEL -0 TO 18 CAP PV4 4 LONG $400 PV6 6 LONG 600 PV1O-10-LONG- 800 PV1B -15- LONG -1000 PV614- CIa 1/4 CapacIty-$600 TUBE CUlTER 1/B TO S/B CAPACrTY HEAVY DUTY MADE FROM SEMI-STEEL No TC58 $400 HOBBY KNIFE BLADES No11 MADE IN USA ISO PACK NoHKB1 1- $650 SINGLE EDGE BLADES MADE IN USA FIRST OUAUTY NO9IGOPACK NoSEB102450 HEAVY DUTY NO 12 FIRST QUALITY 100 PACK Z PLIERS MAKES PERFECT Z BENDS WITH SQUEEZE No ZPL $1650 CUlTING MATS HEALS ITSELF AFTER EACH CUT AND SURFACE STAYS SMOOTH NON-GLARE GREEN FINISH CUT ON BOTH SIDES CM8 9 x 12 $1000 CM12 12 xiS 1500 HELPING HAND FIRST QUALITY THREE ARMS 2 ARMS WITh ALLIGATOR CLIPS 1 ARM WITh 2X GLASS 2 1/2 MAGNIFIER HH1 -$700 NORTH WESTERN CHOP SAW MAKSPRFECT MITRE CUTS 30 45 80 IN WOOD OR PLASliC USES SINGLE EDGE BLADE ADJ STOP NCS -$1450 T-UAH SANUH ALUMINUM MADE IN USA Til 11 LONG $230 T22 22 LONG $350 SANDPAPER RUFFTUFF ADHESIVE BACK $105 EA ISPECIFYFINEIRSPI MEDIUM IRsMI DR COARSE IRECII LONG DRILLSSET n ELECTRONIC CALIPER FIRST QUALITY HIGH SPEED STEEL1/16 i/a1ST INDUSTRIAL OUAUTY 12 LONG18 LONG5/32 LG1 1/16 $450 LG6 3/16 $15003/11/4READS IN INCHES AND METRIC LG2 1/8 450 LG7 7/32 1500 12 LONG 0-6- 0-155MM MOST POPULAR LG3 5/32450LOB 1/41500 LG9 $2100 -$5500 DS163-No ItoBO EOpcsSIB5C LG4 3/16450 DIAL CALIPER p5184 NoSI 802Opo- 12 SC LOS 1/4550. RDERINGl ___________________I1ST INDUSTRIAL QUAUTY P RD ADD $3OOio B 100 SINGLE REVOLUTION EASTERN TOOL&SUPPLYCO CODADD$750 o IN 149 GRAND STREET NEW YORK NY 10013 ORDERS 212925lG06I SAliN CHROME FINISH WRITE FOR CATALOG $300 OR FREE WITH ORDER OFFICE 212226374OI TH FITED CASE FAX 212-925-1010DC6 -$2100 Thanks Neal Chancellor Chairman Valkaria Airport making us feel very welcome Also Indian River Kontrol Club did great job putting race Contest Director Tom Bogut crew put lot hard work hours make race success Boy missed missed good 1994 race will beheld Dallas Texas start getting ready See ya IBaxter Continued page 42 model KISS decades-old argument about use effectiveness desirability flaps Flap travel up lOl5o can have positive effect maneuverability model particularly airfoil very efficient Speaking purely aerodynamic standpoint flap travel beyond 150 rapidly builds up drag offers little no increase lift wingtips have aerodynamic advantage over standard shapes As airplane flies low-pressure area side wing producing lift air opposite side attempts flow low pressure side especially tips produces flow air toward tips source wingtip vortices tips raked toward trailing edge flow around wingtips reduced causing increase effective wing area lift same effect produced winglets current full-size designs since models dont always fly right side up winglets would effective part time landing gear design another compromise simple standard thmugh-the fuselage gear lighter doesnt look good does offer ease removal case damage desire simply fly landing gear hardwood gear mount KISS stiffens center section wingKISS also uses substantial engine offset required lighter slower designs As model size weight increases centrifugal REGAIN CONTROL 37] Losing Control Cafl nightmare wrong response given Command Cafl take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half Century Combined experience modeling radio repair So avoid inflated repair Costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Futaba ______ ne jAIRThWfICS 5524 N Palafox Pensacola FL 32503 F repair information 904 434-0909 1-800-9627802 Toll Free Order Line lOrders Only PleaSell 68 Model Aviation * nih Am Grunen A-8813 St Lan AustrialE Tel-i-Fax 0043/ / 2422 Tel 0043 / 3585 / 2486 ~T lli No Matter put markings models now. DRY-SET better adhealon DRY-SET Markings stay put special adhesive sets low heat applied leaving marking permanently attached thickness measured microns thinnest markings available Only actual color transfered model no discernible edge Better paint iron coverings COlOL DRY-SET scale markings Federal Standard 595a colors certified independent laboratory DRY-SETs special formulations wont change color put model affordable DRY-SE transfers cost no water transfer pressure sensitive decals Over 300 different styles avajable See local &aler application No water mess stick want Simply position marking rub lightly andiron Low heat activate adhesive Easily applied solid open structures outline As simple may seem manufacturers dont get right DRY-SET scale markings meet applicable mil specs and/or standards fuelproof DRY-SETs proprietary chemistry stands up anything can throw Resists gasoline glow fuels up 50% nitro can use kind clear finishing system 7029 Sanger Avenue Woodway TX 817 741-0379 FAX817 741-0335 0 High & Dry REDI-RAC Transmitter Stand Holds transmitter start-up Protects radio dirt moisture Choice red white blue day-gb orange hot pink One-piece unit quickly snaps place unsnaps carry flat Great item raffles prizes gifts $1250 plus $150 S&H Cash Check MO Dealer Inquiries Invited Massachusetts orders add 5% MA sales taxClub Discounts Available Made USAPatent Pending JDM Products 543 Bedford Street Concord MA 01742 Tel 508 369-9212 force can replace offset amount rudder offset minimal because dont want model excessively yawed arc flying circle engine offset will hold model end lines rudder will control heading model small amount rudder offset nice engine has quit Wingtip weight should applied small doses spanwise center gravity model should just outside fuselage about 3A outside centerline fuselage wingtip weight effective during takeoff counteracting engine torque model released determine whether have right amount weight watch model pulling out loop wingover determine whether either wingtip drops outboard wingtip drops too much weight vice versa ounce usually enough model CONSTRUCTION First make yourself kit Cut out parts bend gear wires can get assembly mode Once start gluing beast goes together fast landing gear optional fly exclusively grass fields leave gear off Its unnecessary weight will tend nose airplane takeoffs landings choose install gear glue landing block leading edge stick ribs slots leading trailing edges Hold assembly together rubber bands make sure twists other misalignments removed before ribs glued Set wing up can stand about 10 feet behind look trailing leading edge Sec two edges aligned Once wing perfeefly straight glue ribs leading trailing edges Glue bellerank floor install control system KISS uses two-inch Perfect bellerank Carl Goldberg nylon control horn Engineering note Bellerank location particularly critical criteria being leadouts should pull straight out wing model its normal flight yaw angle prevent binding wear leadout location wingtip critical measurement leadouts too far forward model will tend slack lines too Continued page 78 70 Model Aviation AGE INSTRUCTION MANUAL ENLARGABLE PLANS & FULL SIZED PART PATTERNS TO BUILD 4 CHANNEL 05 ELECTRIC MOTOR POWERED RC DUCT FAN MIG 15 MODEL 4 SIZES OF FREE FLIGHT MIG 15 DUCT FAN MODELS & 1 RUBBER POWERED FREE FLIGHT MOD EL Retail price $2400 Shipping handling fee $400 Dealer inquires invited Ferrell Papic 300 W Lincoln #82 Orange Ca 92665 Catalog $200 prn . rn-N-u-u EEE UN UE1I EEUWm MUM U U U mu U SIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE E * 1* * 1* $625 $795 $895 B S $ 1295 $1495 $1695 $1395 $1595 I I U U U U UEEEEEEEEEEEEUEE m m m m m m m ASTE#J SOUW MUFFLERS an4 PIPES Alloy Steel Lightweight Fits 26 Modelso 58 4-Stroke lielicopter TESTED 88DB AT 3 METERS Clajence . RCM Engine Clinic MUFFLER THAT THINKS ITS PIPE Don Lowe. ident AMA STILL THE MOST EFFECEIVE MUFFLER HowaniCrispin. AMA Sound Committee U U U U P U U U U p I p I I I S S S r Call 203 877-1670 send 758 stamped #10 envelope & $3 credited 1st order DAVIS MODEL PRODUCTS Dealer Inquiries InvitedP0 Box 141 Dept M Milford CT 06460 Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels Special Detergents Promote clean burning prevent residue buildup Rust Inhibitors Protect engines corrosion After run oil needed engines Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer Satisfaction Guaranteed 00h Nitromethane 5% Nitromethane$325 10% Nitromethane$395 15% Nitromethane$395 25% Nitromethane$495 35% Nitromethane$595 SIG CHAMPION 2-STROKE FUEL PINTQUARTGALLON $995 $1295 $1495 $1695 $2295 $2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 15% Nitromethane$1625 SIG ALL-CASTOR FUEL 5% Nitromethane 20% CASTOR 10% Nitromethane 20% CASTOR 15% Nitromethane 20% CASTOR 5% Nitromethane 25% CASTOR 10% Nitromethane 25% CASTOR THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels excep tion All-Castor Fuels contain 5050 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself FREE SHIPPING ON ORDERS OVER $1500 BUT ALL ORDERS ARE SUBJECT TO $6OOIPkg UPS HAZARDOuS MATERIAL SURCHARGEPces subiect change notice Toll Fr. Order 1400-247-5008 Modelers NotlIn 1800-524-7805 Latest Catalog $300 SIG MANUFACTURING CO INC .Montezuma IA 50171 KiSSIBaxter Continued page 70 far back model will pull arm off level flight go slack maneuvers reason lot Stunt models now use adjustable leadouts dont get nght first time get try again easily Add upper lower planking wing tips Hinge stabilizer elevator using favorite method used nylon hinges commercial products acceptable old-fashioned cloth hinges shown plans Slide wing through fuselage glue assuring properly aligned Note fuselage mounted slightly right wing centerline allowing slightly wing area left inboard side model Since inboard wing flies slowly outboard wing area required equalize lift Install align stabilizer parallel wing Attach control horn pushrod adjust elevator travel about 3O up down wing fillets added next As mentioned earlier items styling exercises add significant strength Install maple engine mount beams plywood doublers Glue mdder note minimal offset Cover wing favorite material prototype covered gray MonoKoteone two iron-on covering materials other Micafllm resistant diesel fuel choose use glow engine choices numerous would recommend Micafllm novice pilot because high strength material Paint remainder model fuelproof paint favorite colors Install landing gear using screws washers hold landing gear wire hardwood mounts slot plans show use landing gear plates look photos will reveal screws washers used prototype arrangement works well Pick poison just remember KISS Position engine get center gravity CG want located within range shown plan farther forward CG less sensitive model Continued page 86 RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write call information RC Fight Training 704 3BB96B 78 Model Aviation U U Mbi HORNET 0747 I2anigaed byyI Lee JStaaRel.A IOI tIP tiplne Great performer giving hours low cost fun flying Although Cornet designed aroued Coe 074 Queen Bee 09 15 engines may used mr speed hot aerobatics plans parts supplied accosesodate option design very versatile various configurations o Durable Lee-weight model o Rachino-out AAA balsa * Built-op sdogs aed tail o Built-up fuselage Wheel pants parts o 141 ailerons Easy access covers Steerable tail wheel Full-sine illustrated plans instructions b c Private Be & servo mtg rails Special fuel tash mount Forecd shook-absorbing landing tail gear Symnetrical airfoil Bardeere package Engine ntg bolts Du-Bro 2-ne funi tank DoBin wheels On-Bro hinges Du-Bro control linkages DuBro control bonn Itasgel aileron links Plus misc hardusre Comprehensive handbook reveals save time frustration money getting yourwings Plus other things really need know $1275 ppd Wing Span 277 Wing Area 297 ngin Wing Loading 102-121 oapar uqft Weight 21-25 us $4995sic eguipnent Length 2h5 ADD $6 S&BRadio micro 4-channel 1034 River Bend Dr12 atd Hartford WI 53027 Winconnin Eesidcntn Add 1% Tan KiSSIBaxter Continued page 78 will Square corners tend suffer bit forward CG locations beginner forward location recommended engine can moved back pilot gains experience Limit model engines weigh no five ounces Most 09s will fall weight range some 15s such old Fox 15X will quite appropriate Anything heavier CC will end up too far forward good control response total model weight will increase unacceptable amount model weighed 16 ounces could have built much lighter careful wood selection prototype powered 33-ounce IVIVVS 15cc 09 diesel performed adequately MVVS starts tunes easily has ample power model engine available Carlson Engine Imports 814 East Marconi Avenue Phoenix Arizona 85022 price less $40 writing Master Airscrew 7 x 6 prop choice fuel contained 15 ounce approx Perfect tank held rubber bands hooked wires passing through fuselage other tank mounting techniques use pick own economy diesel engine flight time exceeds five minutes small tank KISS first flight performed author model went through AMA stunt maneuvers room spare 35-foot lines too-short lines lines available less 60 feet long second flight handled novice flier impressed way model flew after tested out strength plane hand-launch prang third flight flown man flown anything twenty years also impressed models stability problem dizziness did complete flight KISS has no nasty flight characteristics whether novice experienced pilot want fun simple flying machine can built quickly will enjoy rders Call 1-800-645-KITS lnlsrmatlon saIl 609448-1122 POSes 771 QENERIX East WIndsor NJ BSB2B Tomorrows Kits Affordable Prices Write Free Catalog s Add $500 COD Custom Kit Cutters s Plans Anyone Elses 86 Model Aviation sfaction Guaranteed M6I6 5H710 Pkg 24 $2e5 EA~ HINEZ THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier Install other hinge No gouging picking messy epoxies Simply Cut single knife slot hinge slide hinges place apply few drops favorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 7de Se4t C9e4 f4ia eaa MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 $3gg5 kil Span 48 Eng Radio 4 ucn,o no an, 0 Over 40 ioops per win unlimited rolls LOW WING PREDATOR $3gg5 &H 48 25 45 Fully acorobatic fun fly t competition Will roil & turn .a a
Edition: Model Aviation - 1994/04
Page Numbers: 40, 41, 42, 68, 70, 78, 86
Keep Simple Stupid Barry Baxter KSthe acronym Keep Simple Stupidhas seen lost sight industries pastimes road noble concept filled ruts potholes detours call difficulties design compromises will describe some compromises required designing model attempting maintain purest KISS concepts first design consideration primary function model want event-specific model sport plane much strength weight maneuverability want Control line model designs usually based amount maneuverability and/or speed desired modem 40 Model Aviation Engine tank landing gear detail Note fuel filter single screws holding gear wire Use light wheels Below left Wing structure controls LE routed save weight Below right Solid wire leadouts used two-inch Perfect bellcrank competitive Stunt model built perform smooth stable maneuvers slow speed built thick wing flaps large enginethe former actually slow model down dampen maneuverability latter supply adequate power maintain speed maneuvers Since KISS basic trainer beginners Stunt trainer advanced fliers needed provide reasonable amount strength novices occasional inadvertent contact terra firma yet model maneuverable enough whet desires advanced fliers Optimum model size primary consideration larger model easier break Since model perform trainer must break too easily Because KISS trainer powerplants considered engines can flaicky disheartening beginner can real bear make perform properly aerobatics 09- 15 size engines available reasonable cost simple operate light enough allow us build small modelone prone breakage large enough maneuverable yet stable simplistic KISS model would rock-on-a-string concept some people feel proper trainers overweight undersized slab-winged solid-balsa 1/2A designs barely capable becoming airborne offer virtually no training what proper control response should expected other fact anything will probably go down can teach new pilot go around circles can rock string old adage flying full-sized aircraft want go up pull back stick want go down pull back farther profile fuselage design compromise standard profile model construction methods make fragile crash fuselage invariably breaks behind wing Profile fuselages also bend twist control inputs tends make flying little less precise Giant fillets have added design support fuselage reduce twisting crash damage shape profile fuselages course purely styling exercise model based combination 1930s racers Brewster fighters aerodynamic consideration have side area toward tail reduce yaw lack thick fuselage can made up having larger fin rudder wing low-aspect-ratio design adequate wing area maintained keeping span short reduce leverage longer wingtips provide long thin wings pure performance standpoint high-aspect-ratio wing offers better maneuverability less speed loss through April 1994 41 Type CL trainer Wingspan 32 inches Engine size/type 09-15 Flying weight 16 ounces Construction Built-up wing sheet fuselage/tail Covering/finish MonoKote/ Micafilm wing fuelproof finish wood surfaces Full Size Plans AvailableSee Page 160 iI Ii w -mm II //m 4i /m u mmjf ____ 0/V IIIhIIIhZ \\ \ -a ____________ -UU.kLfl SMD 4W bamm COIN // / / I_ A--UU ___ U [RPM_____ -I m -_ LANDING GEAR INSTALLATION Y0 S KJSS II WING SPAN S WING ANNA MS SQ IN II DESIGNED AND DRAWN fly NANNY RAIIIN maneuvers much easier break Since KISS designed quick construction wing uses off-the-rack leading trailing edges large trailing edge strengthening device Using pieces airfoil bit thinner optimum great maneuverability construction allows covering sag somewhat between ribs further reducing ultimate maneuverability design airplane isnt quite maneuverable compromises cut ultimate out design Airfoils have run gamut ideas after 35 years playing contraptions best airfoils have found range 14%-18% thickness high point about 30% chord curve high point leading edge should very close ellipse thicker airfoil tighter model will turn expense speed experience variations airfoils basic format has usually given model slowed down excessively maneuvers driving factor deciding thickness airfoil lies availability commercially finished leading edges ribs fit 1 x 1 leading edge Its ultimate stunting airfoil maintains first priority Continued page 68 42 Model Aviation D 7N Wm IL Kwsm j U II __________________ II 1 Jean Williams prepares launch KISS Ruben Borunda Note good bank angle MVVS 15 diesel has adequate power size model TURBINE FEVER want new jet model look like jet also FLYLIKEA JET first turbojet engine kit now available diameter appro proved design sound pe -fuel either di simple no noise probi Please contact International WIRE DCUfl BENDS AND FORMS WIRE AND STRIPS OF METAL IN ANGLES CURVES LOOPS ETC Na WB1 00- $400 OUURI1 PUNCH SET CUTS SQUARES AND SLOTS SET INCLUDES SIZES 1/8. 3/18 114 E/163/8 HADE FM NICKEL PLATED STEEL No SPS5 £1200 BRUSHES 3 PCS MINLATURE WIRE BRUSH SET ONE EACH 9pp55 NYLON STAINLESS MWB3 300 T-PIN 1 1/4 100 PACK TP1 4 $200 ZONA SAWS 15042 TEETH 314$230 20032 TEETH 3/4230 250MITRE BOX250 450 SUPER SABRE ,' ,, LONG & SHORT BLADE aso 500 1 1/4 WIDE 270 BOO ZONA HAKA JUNIOR HACKSAW 165 DRILL SETS FIRST QUALITY HIGH SPEED STEEL AlL BETS SUPPUED IN CASE DS1611/18lo1/2 /81 p0- IBEC 06162 TO Z 09- Sc NEEDLE FILE SET S1/2-12SHAPES PLASTIC HANDLE WITH EACH FILE GREAT ON WOOD PLASliC METAL No NFS1O1 -$500 INDUSTRIAL QUALITY XTRA HEAVY DUTY 12 SHAPE 4 LONG $650 NG $800 DREMEL 3950 TOP OF ThE LINE MOTO POWER TOOL SET INCLUDES 40 ACCESSORIES AND CASE No 3950 $7000 EPOXY BRUSHES MADE IN LISA 12/PACK No EB12- $100 Doz No EB144 -$700 GrOSS PIN VWE STAINLESS STEEL -0 TO 18 CAP PV4 4 LONG $400 PV6 6 LONG 600 PV1O-10-LONG- 800 PV1B -15- LONG -1000 PV614- CIa 1/4 CapacIty-$600 TUBE CUlTER 1/B TO S/B CAPACrTY HEAVY DUTY MADE FROM SEMI-STEEL No TC58 $400 HOBBY KNIFE BLADES No11 MADE IN USA ISO PACK NoHKB1 1- $650 SINGLE EDGE BLADES MADE IN USA FIRST OUAUTY NO9IGOPACK NoSEB102450 HEAVY DUTY NO 12 FIRST QUALITY 100 PACK Z PLIERS MAKES PERFECT Z BENDS WITH SQUEEZE No ZPL $1650 CUlTING MATS HEALS ITSELF AFTER EACH CUT AND SURFACE STAYS SMOOTH NON-GLARE GREEN FINISH CUT ON BOTH SIDES CM8 9 x 12 $1000 CM12 12 xiS 1500 HELPING HAND FIRST QUALITY THREE ARMS 2 ARMS WITh ALLIGATOR CLIPS 1 ARM WITh 2X GLASS 2 1/2 MAGNIFIER HH1 -$700 NORTH WESTERN CHOP SAW MAKSPRFECT MITRE CUTS 30 45 80 IN WOOD OR PLASliC USES SINGLE EDGE BLADE ADJ STOP NCS -$1450 T-UAH SANUH ALUMINUM MADE IN USA Til 11 LONG $230 T22 22 LONG $350 SANDPAPER RUFFTUFF ADHESIVE BACK $105 EA ISPECIFYFINEIRSPI MEDIUM IRsMI DR COARSE IRECII LONG DRILLSSET n ELECTRONIC CALIPER FIRST QUALITY HIGH SPEED STEEL1/16 i/a1ST INDUSTRIAL OUAUTY 12 LONG18 LONG5/32 LG1 1/16 $450 LG6 3/16 $15003/11/4READS IN INCHES AND METRIC LG2 1/8 450 LG7 7/32 1500 12 LONG 0-6- 0-155MM MOST POPULAR LG3 5/32450LOB 1/41500 LG9 $2100 -$5500 DS163-No ItoBO EOpcsSIB5C LG4 3/16450 DIAL CALIPER p5184 NoSI 802Opo- 12 SC LOS 1/4550. RDERINGl ___________________I1ST INDUSTRIAL QUAUTY P RD ADD $3OOio B 100 SINGLE REVOLUTION EASTERN TOOL&SUPPLYCO CODADD$750 o IN 149 GRAND STREET NEW YORK NY 10013 ORDERS 212925lG06I SAliN CHROME FINISH WRITE FOR CATALOG $300 OR FREE WITH ORDER OFFICE 212226374OI TH FITED CASE FAX 212-925-1010DC6 -$2100 Thanks Neal Chancellor Chairman Valkaria Airport making us feel very welcome Also Indian River Kontrol Club did great job putting race Contest Director Tom Bogut crew put lot hard work hours make race success Boy missed missed good 1994 race will beheld Dallas Texas start getting ready See ya IBaxter Continued page 42 model KISS decades-old argument about use effectiveness desirability flaps Flap travel up lOl5o can have positive effect maneuverability model particularly airfoil very efficient Speaking purely aerodynamic standpoint flap travel beyond 150 rapidly builds up drag offers little no increase lift wingtips have aerodynamic advantage over standard shapes As airplane flies low-pressure area side wing producing lift air opposite side attempts flow low pressure side especially tips produces flow air toward tips source wingtip vortices tips raked toward trailing edge flow around wingtips reduced causing increase effective wing area lift same effect produced winglets current full-size designs since models dont always fly right side up winglets would effective part time landing gear design another compromise simple standard thmugh-the fuselage gear lighter doesnt look good does offer ease removal case damage desire simply fly landing gear hardwood gear mount KISS stiffens center section wingKISS also uses substantial engine offset required lighter slower designs As model size weight increases centrifugal REGAIN CONTROL 37] Losing Control Cafl nightmare wrong response given Command Cafl take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half Century Combined experience modeling radio repair So avoid inflated repair Costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Futaba ______ ne jAIRThWfICS 5524 N Palafox Pensacola FL 32503 F repair information 904 434-0909 1-800-9627802 Toll Free Order Line lOrders Only PleaSell 68 Model Aviation * nih Am Grunen A-8813 St Lan AustrialE Tel-i-Fax 0043/ / 2422 Tel 0043 / 3585 / 2486 ~T lli No Matter put markings models now. DRY-SET better adhealon DRY-SET Markings stay put special adhesive sets low heat applied leaving marking permanently attached thickness measured microns thinnest markings available Only actual color transfered model no discernible edge Better paint iron coverings COlOL DRY-SET scale markings Federal Standard 595a colors certified independent laboratory DRY-SETs special formulations wont change color put model affordable DRY-SE transfers cost no water transfer pressure sensitive decals Over 300 different styles avajable See local &aler application No water mess stick want Simply position marking rub lightly andiron Low heat activate adhesive Easily applied solid open structures outline As simple may seem manufacturers dont get right DRY-SET scale markings meet applicable mil specs and/or standards fuelproof DRY-SETs proprietary chemistry stands up anything can throw Resists gasoline glow fuels up 50% nitro can use kind clear finishing system 7029 Sanger Avenue Woodway TX 817 741-0379 FAX817 741-0335 0 High & Dry REDI-RAC Transmitter Stand Holds transmitter start-up Protects radio dirt moisture Choice red white blue day-gb orange hot pink One-piece unit quickly snaps place unsnaps carry flat Great item raffles prizes gifts $1250 plus $150 S&H Cash Check MO Dealer Inquiries Invited Massachusetts orders add 5% MA sales taxClub Discounts Available Made USAPatent Pending JDM Products 543 Bedford Street Concord MA 01742 Tel 508 369-9212 force can replace offset amount rudder offset minimal because dont want model excessively yawed arc flying circle engine offset will hold model end lines rudder will control heading model small amount rudder offset nice engine has quit Wingtip weight should applied small doses spanwise center gravity model should just outside fuselage about 3A outside centerline fuselage wingtip weight effective during takeoff counteracting engine torque model released determine whether have right amount weight watch model pulling out loop wingover determine whether either wingtip drops outboard wingtip drops too much weight vice versa ounce usually enough model CONSTRUCTION First make yourself kit Cut out parts bend gear wires can get assembly mode Once start gluing beast goes together fast landing gear optional fly exclusively grass fields leave gear off Its unnecessary weight will tend nose airplane takeoffs landings choose install gear glue landing block leading edge stick ribs slots leading trailing edges Hold assembly together rubber bands make sure twists other misalignments removed before ribs glued Set wing up can stand about 10 feet behind look trailing leading edge Sec two edges aligned Once wing perfeefly straight glue ribs leading trailing edges Glue bellerank floor install control system KISS uses two-inch Perfect bellerank Carl Goldberg nylon control horn Engineering note Bellerank location particularly critical criteria being leadouts should pull straight out wing model its normal flight yaw angle prevent binding wear leadout location wingtip critical measurement leadouts too far forward model will tend slack lines too Continued page 78 70 Model Aviation AGE INSTRUCTION MANUAL ENLARGABLE PLANS & FULL SIZED PART PATTERNS TO BUILD 4 CHANNEL 05 ELECTRIC MOTOR POWERED RC DUCT FAN MIG 15 MODEL 4 SIZES OF FREE FLIGHT MIG 15 DUCT FAN MODELS & 1 RUBBER POWERED FREE FLIGHT MOD EL Retail price $2400 Shipping handling fee $400 Dealer inquires invited Ferrell Papic 300 W Lincoln #82 Orange Ca 92665 Catalog $200 prn . rn-N-u-u EEE UN UE1I EEUWm MUM U U U mu U SIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE E * 1* * 1* $625 $795 $895 B S $ 1295 $1495 $1695 $1395 $1595 I I U U U U UEEEEEEEEEEEEUEE m m m m m m m ASTE#J SOUW MUFFLERS an4 PIPES Alloy Steel Lightweight Fits 26 Modelso 58 4-Stroke lielicopter TESTED 88DB AT 3 METERS Clajence . RCM Engine Clinic MUFFLER THAT THINKS ITS PIPE Don Lowe. ident AMA STILL THE MOST EFFECEIVE MUFFLER HowaniCrispin. AMA Sound Committee U U U U P U U U U p I p I I I S S S r Call 203 877-1670 send 758 stamped #10 envelope & $3 credited 1st order DAVIS MODEL PRODUCTS Dealer Inquiries InvitedP0 Box 141 Dept M Milford CT 06460 Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels Special Detergents Promote clean burning prevent residue buildup Rust Inhibitors Protect engines corrosion After run oil needed engines Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer Satisfaction Guaranteed 00h Nitromethane 5% Nitromethane$325 10% Nitromethane$395 15% Nitromethane$395 25% Nitromethane$495 35% Nitromethane$595 SIG CHAMPION 2-STROKE FUEL PINTQUARTGALLON $995 $1295 $1495 $1695 $2295 $2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 15% Nitromethane$1625 SIG ALL-CASTOR FUEL 5% Nitromethane 20% CASTOR 10% Nitromethane 20% CASTOR 15% Nitromethane 20% CASTOR 5% Nitromethane 25% CASTOR 10% Nitromethane 25% CASTOR THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels excep tion All-Castor Fuels contain 5050 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself FREE SHIPPING ON ORDERS OVER $1500 BUT ALL ORDERS ARE SUBJECT TO $6OOIPkg UPS HAZARDOuS MATERIAL SURCHARGEPces subiect change notice Toll Fr. Order 1400-247-5008 Modelers NotlIn 1800-524-7805 Latest Catalog $300 SIG MANUFACTURING CO INC .Montezuma IA 50171 KiSSIBaxter Continued page 70 far back model will pull arm off level flight go slack maneuvers reason lot Stunt models now use adjustable leadouts dont get nght first time get try again easily Add upper lower planking wing tips Hinge stabilizer elevator using favorite method used nylon hinges commercial products acceptable old-fashioned cloth hinges shown plans Slide wing through fuselage glue assuring properly aligned Note fuselage mounted slightly right wing centerline allowing slightly wing area left inboard side model Since inboard wing flies slowly outboard wing area required equalize lift Install align stabilizer parallel wing Attach control horn pushrod adjust elevator travel about 3O up down wing fillets added next As mentioned earlier items styling exercises add significant strength Install maple engine mount beams plywood doublers Glue mdder note minimal offset Cover wing favorite material prototype covered gray MonoKoteone two iron-on covering materials other Micafllm resistant diesel fuel choose use glow engine choices numerous would recommend Micafllm novice pilot because high strength material Paint remainder model fuelproof paint favorite colors Install landing gear using screws washers hold landing gear wire hardwood mounts slot plans show use landing gear plates look photos will reveal screws washers used prototype arrangement works well Pick poison just remember KISS Position engine get center gravity CG want located within range shown plan farther forward CG less sensitive model Continued page 86 RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write call information RC Fight Training 704 3BB96B 78 Model Aviation U U Mbi HORNET 0747 I2anigaed byyI Lee JStaaRel.A IOI tIP tiplne Great performer giving hours low cost fun flying Although Cornet designed aroued Coe 074 Queen Bee 09 15 engines may used mr speed hot aerobatics plans parts supplied accosesodate option design very versatile various configurations o Durable Lee-weight model o Rachino-out AAA balsa * Built-op sdogs aed tail o Built-up fuselage Wheel pants parts o 141 ailerons Easy access covers Steerable tail wheel Full-sine illustrated plans instructions b c Private Be & servo mtg rails Special fuel tash mount Forecd shook-absorbing landing tail gear Symnetrical airfoil Bardeere package Engine ntg bolts Du-Bro 2-ne funi tank DoBin wheels On-Bro hinges Du-Bro control linkages DuBro control bonn Itasgel aileron links Plus misc hardusre Comprehensive handbook reveals save time frustration money getting yourwings Plus other things really need know $1275 ppd Wing Span 277 Wing Area 297 ngin Wing Loading 102-121 oapar uqft Weight 21-25 us $4995sic eguipnent Length 2h5 ADD $6 S&BRadio micro 4-channel 1034 River Bend Dr12 atd Hartford WI 53027 Winconnin Eesidcntn Add 1% Tan KiSSIBaxter Continued page 78 will Square corners tend suffer bit forward CG locations beginner forward location recommended engine can moved back pilot gains experience Limit model engines weigh no five ounces Most 09s will fall weight range some 15s such old Fox 15X will quite appropriate Anything heavier CC will end up too far forward good control response total model weight will increase unacceptable amount model weighed 16 ounces could have built much lighter careful wood selection prototype powered 33-ounce IVIVVS 15cc 09 diesel performed adequately MVVS starts tunes easily has ample power model engine available Carlson Engine Imports 814 East Marconi Avenue Phoenix Arizona 85022 price less $40 writing Master Airscrew 7 x 6 prop choice fuel contained 15 ounce approx Perfect tank held rubber bands hooked wires passing through fuselage other tank mounting techniques use pick own economy diesel engine flight time exceeds five minutes small tank KISS first flight performed author model went through AMA stunt maneuvers room spare 35-foot lines too-short lines lines available less 60 feet long second flight handled novice flier impressed way model flew after tested out strength plane hand-launch prang third flight flown man flown anything twenty years also impressed models stability problem dizziness did complete flight KISS has no nasty flight characteristics whether novice experienced pilot want fun simple flying machine can built quickly will enjoy rders Call 1-800-645-KITS lnlsrmatlon saIl 609448-1122 POSes 771 QENERIX East WIndsor NJ BSB2B Tomorrows Kits Affordable Prices Write Free Catalog s Add $500 COD Custom Kit Cutters s Plans Anyone Elses 86 Model Aviation sfaction Guaranteed M6I6 5H710 Pkg 24 $2e5 EA~ HINEZ THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier Install other hinge No gouging picking messy epoxies Simply Cut single knife slot hinge slide hinges place apply few drops favorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 7de Se4t C9e4 f4ia eaa MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 $3gg5 kil Span 48 Eng Radio 4 ucn,o no an, 0 Over 40 ioops per win unlimited rolls LOW WING PREDATOR $3gg5 &H 48 25 45 Fully acorobatic fun fly t competition Will roil & turn .a a
Edition: Model Aviation - 1994/04
Page Numbers: 40, 41, 42, 68, 70, 78, 86
Keep Simple Stupid Barry Baxter KSthe acronym Keep Simple Stupidhas seen lost sight industries pastimes road noble concept filled ruts potholes detours call difficulties design compromises will describe some compromises required designing model attempting maintain purest KISS concepts first design consideration primary function model want event-specific model sport plane much strength weight maneuverability want Control line model designs usually based amount maneuverability and/or speed desired modem 40 Model Aviation Engine tank landing gear detail Note fuel filter single screws holding gear wire Use light wheels Below left Wing structure controls LE routed save weight Below right Solid wire leadouts used two-inch Perfect bellcrank competitive Stunt model built perform smooth stable maneuvers slow speed built thick wing flaps large enginethe former actually slow model down dampen maneuverability latter supply adequate power maintain speed maneuvers Since KISS basic trainer beginners Stunt trainer advanced fliers needed provide reasonable amount strength novices occasional inadvertent contact terra firma yet model maneuverable enough whet desires advanced fliers Optimum model size primary consideration larger model easier break Since model perform trainer must break too easily Because KISS trainer powerplants considered engines can flaicky disheartening beginner can real bear make perform properly aerobatics 09- 15 size engines available reasonable cost simple operate light enough allow us build small modelone prone breakage large enough maneuverable yet stable simplistic KISS model would rock-on-a-string concept some people feel proper trainers overweight undersized slab-winged solid-balsa 1/2A designs barely capable becoming airborne offer virtually no training what proper control response should expected other fact anything will probably go down can teach new pilot go around circles can rock string old adage flying full-sized aircraft want go up pull back stick want go down pull back farther profile fuselage design compromise standard profile model construction methods make fragile crash fuselage invariably breaks behind wing Profile fuselages also bend twist control inputs tends make flying little less precise Giant fillets have added design support fuselage reduce twisting crash damage shape profile fuselages course purely styling exercise model based combination 1930s racers Brewster fighters aerodynamic consideration have side area toward tail reduce yaw lack thick fuselage can made up having larger fin rudder wing low-aspect-ratio design adequate wing area maintained keeping span short reduce leverage longer wingtips provide long thin wings pure performance standpoint high-aspect-ratio wing offers better maneuverability less speed loss through April 1994 41 Type CL trainer Wingspan 32 inches Engine size/type 09-15 Flying weight 16 ounces Construction Built-up wing sheet fuselage/tail Covering/finish MonoKote/ Micafilm wing fuelproof finish wood surfaces Full Size Plans AvailableSee Page 160 iI Ii w -mm II //m 4i /m u mmjf ____ 0/V IIIhIIIhZ \\ \ -a ____________ -UU.kLfl SMD 4W bamm COIN // / / I_ A--UU ___ U [RPM_____ -I m -_ LANDING GEAR INSTALLATION Y0 S KJSS II WING SPAN S WING ANNA MS SQ IN II DESIGNED AND DRAWN fly NANNY RAIIIN maneuvers much easier break Since KISS designed quick construction wing uses off-the-rack leading trailing edges large trailing edge strengthening device Using pieces airfoil bit thinner optimum great maneuverability construction allows covering sag somewhat between ribs further reducing ultimate maneuverability design airplane isnt quite maneuverable compromises cut ultimate out design Airfoils have run gamut ideas after 35 years playing contraptions best airfoils have found range 14%-18% thickness high point about 30% chord curve high point leading edge should very close ellipse thicker airfoil tighter model will turn expense speed experience variations airfoils basic format has usually given model slowed down excessively maneuvers driving factor deciding thickness airfoil lies availability commercially finished leading edges ribs fit 1 x 1 leading edge Its ultimate stunting airfoil maintains first priority Continued page 68 42 Model Aviation D 7N Wm IL Kwsm j U II __________________ II 1 Jean Williams prepares launch KISS Ruben Borunda Note good bank angle MVVS 15 diesel has adequate power size model TURBINE FEVER want new jet model look like jet also FLYLIKEA JET first turbojet engine kit now available diameter appro proved design sound pe -fuel either di simple no noise probi Please contact International WIRE DCUfl BENDS AND FORMS WIRE AND STRIPS OF METAL IN ANGLES CURVES LOOPS ETC Na WB1 00- $400 OUURI1 PUNCH SET CUTS SQUARES AND SLOTS SET INCLUDES SIZES 1/8. 3/18 114 E/163/8 HADE FM NICKEL PLATED STEEL No SPS5 £1200 BRUSHES 3 PCS MINLATURE WIRE BRUSH SET ONE EACH 9pp55 NYLON STAINLESS MWB3 300 T-PIN 1 1/4 100 PACK TP1 4 $200 ZONA SAWS 15042 TEETH 314$230 20032 TEETH 3/4230 250MITRE BOX250 450 SUPER SABRE ,' ,, LONG & SHORT BLADE aso 500 1 1/4 WIDE 270 BOO ZONA HAKA JUNIOR HACKSAW 165 DRILL SETS FIRST QUALITY HIGH SPEED STEEL AlL BETS SUPPUED IN CASE DS1611/18lo1/2 /81 p0- IBEC 06162 TO Z 09- Sc NEEDLE FILE SET S1/2-12SHAPES PLASTIC HANDLE WITH EACH FILE GREAT ON WOOD PLASliC METAL No NFS1O1 -$500 INDUSTRIAL QUALITY XTRA HEAVY DUTY 12 SHAPE 4 LONG $650 NG $800 DREMEL 3950 TOP OF ThE LINE MOTO POWER TOOL SET INCLUDES 40 ACCESSORIES AND CASE No 3950 $7000 EPOXY BRUSHES MADE IN LISA 12/PACK No EB12- $100 Doz No EB144 -$700 GrOSS PIN VWE STAINLESS STEEL -0 TO 18 CAP PV4 4 LONG $400 PV6 6 LONG 600 PV1O-10-LONG- 800 PV1B -15- LONG -1000 PV614- CIa 1/4 CapacIty-$600 TUBE CUlTER 1/B TO S/B CAPACrTY HEAVY DUTY MADE FROM SEMI-STEEL No TC58 $400 HOBBY KNIFE BLADES No11 MADE IN USA ISO PACK NoHKB1 1- $650 SINGLE EDGE BLADES MADE IN USA FIRST OUAUTY NO9IGOPACK NoSEB102450 HEAVY DUTY NO 12 FIRST QUALITY 100 PACK Z PLIERS MAKES PERFECT Z BENDS WITH SQUEEZE No ZPL $1650 CUlTING MATS HEALS ITSELF AFTER EACH CUT AND SURFACE STAYS SMOOTH NON-GLARE GREEN FINISH CUT ON BOTH SIDES CM8 9 x 12 $1000 CM12 12 xiS 1500 HELPING HAND FIRST QUALITY THREE ARMS 2 ARMS WITh ALLIGATOR CLIPS 1 ARM WITh 2X GLASS 2 1/2 MAGNIFIER HH1 -$700 NORTH WESTERN CHOP SAW MAKSPRFECT MITRE CUTS 30 45 80 IN WOOD OR PLASliC USES SINGLE EDGE BLADE ADJ STOP NCS -$1450 T-UAH SANUH ALUMINUM MADE IN USA Til 11 LONG $230 T22 22 LONG $350 SANDPAPER RUFFTUFF ADHESIVE BACK $105 EA ISPECIFYFINEIRSPI MEDIUM IRsMI DR COARSE IRECII LONG DRILLSSET n ELECTRONIC CALIPER FIRST QUALITY HIGH SPEED STEEL1/16 i/a1ST INDUSTRIAL OUAUTY 12 LONG18 LONG5/32 LG1 1/16 $450 LG6 3/16 $15003/11/4READS IN INCHES AND METRIC LG2 1/8 450 LG7 7/32 1500 12 LONG 0-6- 0-155MM MOST POPULAR LG3 5/32450LOB 1/41500 LG9 $2100 -$5500 DS163-No ItoBO EOpcsSIB5C LG4 3/16450 DIAL CALIPER p5184 NoSI 802Opo- 12 SC LOS 1/4550. RDERINGl ___________________I1ST INDUSTRIAL QUAUTY P RD ADD $3OOio B 100 SINGLE REVOLUTION EASTERN TOOL&SUPPLYCO CODADD$750 o IN 149 GRAND STREET NEW YORK NY 10013 ORDERS 212925lG06I SAliN CHROME FINISH WRITE FOR CATALOG $300 OR FREE WITH ORDER OFFICE 212226374OI TH FITED CASE FAX 212-925-1010DC6 -$2100 Thanks Neal Chancellor Chairman Valkaria Airport making us feel very welcome Also Indian River Kontrol Club did great job putting race Contest Director Tom Bogut crew put lot hard work hours make race success Boy missed missed good 1994 race will beheld Dallas Texas start getting ready See ya IBaxter Continued page 42 model KISS decades-old argument about use effectiveness desirability flaps Flap travel up lOl5o can have positive effect maneuverability model particularly airfoil very efficient Speaking purely aerodynamic standpoint flap travel beyond 150 rapidly builds up drag offers little no increase lift wingtips have aerodynamic advantage over standard shapes As airplane flies low-pressure area side wing producing lift air opposite side attempts flow low pressure side especially tips produces flow air toward tips source wingtip vortices tips raked toward trailing edge flow around wingtips reduced causing increase effective wing area lift same effect produced winglets current full-size designs since models dont always fly right side up winglets would effective part time landing gear design another compromise simple standard thmugh-the fuselage gear lighter doesnt look good does offer ease removal case damage desire simply fly landing gear hardwood gear mount KISS stiffens center section wingKISS also uses substantial engine offset required lighter slower designs As model size weight increases centrifugal REGAIN CONTROL 37] Losing Control Cafl nightmare wrong response given Command Cafl take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half Century Combined experience modeling radio repair So avoid inflated repair Costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Futaba ______ ne jAIRThWfICS 5524 N Palafox Pensacola FL 32503 F repair information 904 434-0909 1-800-9627802 Toll Free Order Line lOrders Only PleaSell 68 Model Aviation * nih Am Grunen A-8813 St Lan AustrialE Tel-i-Fax 0043/ / 2422 Tel 0043 / 3585 / 2486 ~T lli No Matter put markings models now. DRY-SET better adhealon DRY-SET Markings stay put special adhesive sets low heat applied leaving marking permanently attached thickness measured microns thinnest markings available Only actual color transfered model no discernible edge Better paint iron coverings COlOL DRY-SET scale markings Federal Standard 595a colors certified independent laboratory DRY-SETs special formulations wont change color put model affordable DRY-SE transfers cost no water transfer pressure sensitive decals Over 300 different styles avajable See local &aler application No water mess stick want Simply position marking rub lightly andiron Low heat activate adhesive Easily applied solid open structures outline As simple may seem manufacturers dont get right DRY-SET scale markings meet applicable mil specs and/or standards fuelproof DRY-SETs proprietary chemistry stands up anything can throw Resists gasoline glow fuels up 50% nitro can use kind clear finishing system 7029 Sanger Avenue Woodway TX 817 741-0379 FAX817 741-0335 0 High & Dry REDI-RAC Transmitter Stand Holds transmitter start-up Protects radio dirt moisture Choice red white blue day-gb orange hot pink One-piece unit quickly snaps place unsnaps carry flat Great item raffles prizes gifts $1250 plus $150 S&H Cash Check MO Dealer Inquiries Invited Massachusetts orders add 5% MA sales taxClub Discounts Available Made USAPatent Pending JDM Products 543 Bedford Street Concord MA 01742 Tel 508 369-9212 force can replace offset amount rudder offset minimal because dont want model excessively yawed arc flying circle engine offset will hold model end lines rudder will control heading model small amount rudder offset nice engine has quit Wingtip weight should applied small doses spanwise center gravity model should just outside fuselage about 3A outside centerline fuselage wingtip weight effective during takeoff counteracting engine torque model released determine whether have right amount weight watch model pulling out loop wingover determine whether either wingtip drops outboard wingtip drops too much weight vice versa ounce usually enough model CONSTRUCTION First make yourself kit Cut out parts bend gear wires can get assembly mode Once start gluing beast goes together fast landing gear optional fly exclusively grass fields leave gear off Its unnecessary weight will tend nose airplane takeoffs landings choose install gear glue landing block leading edge stick ribs slots leading trailing edges Hold assembly together rubber bands make sure twists other misalignments removed before ribs glued Set wing up can stand about 10 feet behind look trailing leading edge Sec two edges aligned Once wing perfeefly straight glue ribs leading trailing edges Glue bellerank floor install control system KISS uses two-inch Perfect bellerank Carl Goldberg nylon control horn Engineering note Bellerank location particularly critical criteria being leadouts should pull straight out wing model its normal flight yaw angle prevent binding wear leadout location wingtip critical measurement leadouts too far forward model will tend slack lines too Continued page 78 70 Model Aviation AGE INSTRUCTION MANUAL ENLARGABLE PLANS & FULL SIZED PART PATTERNS TO BUILD 4 CHANNEL 05 ELECTRIC MOTOR POWERED RC DUCT FAN MIG 15 MODEL 4 SIZES OF FREE FLIGHT MIG 15 DUCT FAN MODELS & 1 RUBBER POWERED FREE FLIGHT MOD EL Retail price $2400 Shipping handling fee $400 Dealer inquires invited Ferrell Papic 300 W Lincoln #82 Orange Ca 92665 Catalog $200 prn . rn-N-u-u EEE UN UE1I EEUWm MUM U U U mu U SIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE E * 1* * 1* $625 $795 $895 B S $ 1295 $1495 $1695 $1395 $1595 I I U U U U UEEEEEEEEEEEEUEE m m m m m m m ASTE#J SOUW MUFFLERS an4 PIPES Alloy Steel Lightweight Fits 26 Modelso 58 4-Stroke lielicopter TESTED 88DB AT 3 METERS Clajence . RCM Engine Clinic MUFFLER THAT THINKS ITS PIPE Don Lowe. ident AMA STILL THE MOST EFFECEIVE MUFFLER HowaniCrispin. AMA Sound Committee U U U U P U U U U p I p I I I S S S r Call 203 877-1670 send 758 stamped #10 envelope & $3 credited 1st order DAVIS MODEL PRODUCTS Dealer Inquiries InvitedP0 Box 141 Dept M Milford CT 06460 Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels Special Detergents Promote clean burning prevent residue buildup Rust Inhibitors Protect engines corrosion After run oil needed engines Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer Satisfaction Guaranteed 00h Nitromethane 5% Nitromethane$325 10% Nitromethane$395 15% Nitromethane$395 25% Nitromethane$495 35% Nitromethane$595 SIG CHAMPION 2-STROKE FUEL PINTQUARTGALLON $995 $1295 $1495 $1695 $2295 $2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 15% Nitromethane$1625 SIG ALL-CASTOR FUEL 5% Nitromethane 20% CASTOR 10% Nitromethane 20% CASTOR 15% Nitromethane 20% CASTOR 5% Nitromethane 25% CASTOR 10% Nitromethane 25% CASTOR THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels excep tion All-Castor Fuels contain 5050 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself FREE SHIPPING ON ORDERS OVER $1500 BUT ALL ORDERS ARE SUBJECT TO $6OOIPkg UPS HAZARDOuS MATERIAL SURCHARGEPces subiect change notice Toll Fr. Order 1400-247-5008 Modelers NotlIn 1800-524-7805 Latest Catalog $300 SIG MANUFACTURING CO INC .Montezuma IA 50171 KiSSIBaxter Continued page 70 far back model will pull arm off level flight go slack maneuvers reason lot Stunt models now use adjustable leadouts dont get nght first time get try again easily Add upper lower planking wing tips Hinge stabilizer elevator using favorite method used nylon hinges commercial products acceptable old-fashioned cloth hinges shown plans Slide wing through fuselage glue assuring properly aligned Note fuselage mounted slightly right wing centerline allowing slightly wing area left inboard side model Since inboard wing flies slowly outboard wing area required equalize lift Install align stabilizer parallel wing Attach control horn pushrod adjust elevator travel about 3O up down wing fillets added next As mentioned earlier items styling exercises add significant strength Install maple engine mount beams plywood doublers Glue mdder note minimal offset Cover wing favorite material prototype covered gray MonoKoteone two iron-on covering materials other Micafllm resistant diesel fuel choose use glow engine choices numerous would recommend Micafllm novice pilot because high strength material Paint remainder model fuelproof paint favorite colors Install landing gear using screws washers hold landing gear wire hardwood mounts slot plans show use landing gear plates look photos will reveal screws washers used prototype arrangement works well Pick poison just remember KISS Position engine get center gravity CG want located within range shown plan farther forward CG less sensitive model Continued page 86 RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write call information RC Fight Training 704 3BB96B 78 Model Aviation U U Mbi HORNET 0747 I2anigaed byyI Lee JStaaRel.A IOI tIP tiplne Great performer giving hours low cost fun flying Although Cornet designed aroued Coe 074 Queen Bee 09 15 engines may used mr speed hot aerobatics plans parts supplied accosesodate option design very versatile various configurations o Durable Lee-weight model o Rachino-out AAA balsa * Built-op sdogs aed tail o Built-up fuselage Wheel pants parts o 141 ailerons Easy access covers Steerable tail wheel Full-sine illustrated plans instructions b c Private Be & servo mtg rails Special fuel tash mount Forecd shook-absorbing landing tail gear Symnetrical airfoil Bardeere package Engine ntg bolts Du-Bro 2-ne funi tank DoBin wheels On-Bro hinges Du-Bro control linkages DuBro control bonn Itasgel aileron links Plus misc hardusre Comprehensive handbook reveals save time frustration money getting yourwings Plus other things really need know $1275 ppd Wing Span 277 Wing Area 297 ngin Wing Loading 102-121 oapar uqft Weight 21-25 us $4995sic eguipnent Length 2h5 ADD $6 S&BRadio micro 4-channel 1034 River Bend Dr12 atd Hartford WI 53027 Winconnin Eesidcntn Add 1% Tan KiSSIBaxter Continued page 78 will Square corners tend suffer bit forward CG locations beginner forward location recommended engine can moved back pilot gains experience Limit model engines weigh no five ounces Most 09s will fall weight range some 15s such old Fox 15X will quite appropriate Anything heavier CC will end up too far forward good control response total model weight will increase unacceptable amount model weighed 16 ounces could have built much lighter careful wood selection prototype powered 33-ounce IVIVVS 15cc 09 diesel performed adequately MVVS starts tunes easily has ample power model engine available Carlson Engine Imports 814 East Marconi Avenue Phoenix Arizona 85022 price less $40 writing Master Airscrew 7 x 6 prop choice fuel contained 15 ounce approx Perfect tank held rubber bands hooked wires passing through fuselage other tank mounting techniques use pick own economy diesel engine flight time exceeds five minutes small tank KISS first flight performed author model went through AMA stunt maneuvers room spare 35-foot lines too-short lines lines available less 60 feet long second flight handled novice flier impressed way model flew after tested out strength plane hand-launch prang third flight flown man flown anything twenty years also impressed models stability problem dizziness did complete flight KISS has no nasty flight characteristics whether novice experienced pilot want fun simple flying machine can built quickly will enjoy rders Call 1-800-645-KITS lnlsrmatlon saIl 609448-1122 POSes 771 QENERIX East WIndsor NJ BSB2B Tomorrows Kits Affordable Prices Write Free Catalog s Add $500 COD Custom Kit Cutters s Plans Anyone Elses 86 Model Aviation sfaction Guaranteed M6I6 5H710 Pkg 24 $2e5 EA~ HINEZ THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier Install other hinge No gouging picking messy epoxies Simply Cut single knife slot hinge slide hinges place apply few drops favorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 7de Se4t C9e4 f4ia eaa MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 $3gg5 kil Span 48 Eng Radio 4 ucn,o no an, 0 Over 40 ioops per win unlimited rolls LOW WING PREDATOR $3gg5 &H 48 25 45 Fully acorobatic fun fly t competition Will roil & turn .a a
Edition: Model Aviation - 1994/04
Page Numbers: 40, 41, 42, 68, 70, 78, 86
Keep Simple Stupid Barry Baxter KSthe acronym Keep Simple Stupidhas seen lost sight industries pastimes road noble concept filled ruts potholes detours call difficulties design compromises will describe some compromises required designing model attempting maintain purest KISS concepts first design consideration primary function model want event-specific model sport plane much strength weight maneuverability want Control line model designs usually based amount maneuverability and/or speed desired modem 40 Model Aviation Engine tank landing gear detail Note fuel filter single screws holding gear wire Use light wheels Below left Wing structure controls LE routed save weight Below right Solid wire leadouts used two-inch Perfect bellcrank competitive Stunt model built perform smooth stable maneuvers slow speed built thick wing flaps large enginethe former actually slow model down dampen maneuverability latter supply adequate power maintain speed maneuvers Since KISS basic trainer beginners Stunt trainer advanced fliers needed provide reasonable amount strength novices occasional inadvertent contact terra firma yet model maneuverable enough whet desires advanced fliers Optimum model size primary consideration larger model easier break Since model perform trainer must break too easily Because KISS trainer powerplants considered engines can flaicky disheartening beginner can real bear make perform properly aerobatics 09- 15 size engines available reasonable cost simple operate light enough allow us build small modelone prone breakage large enough maneuverable yet stable simplistic KISS model would rock-on-a-string concept some people feel proper trainers overweight undersized slab-winged solid-balsa 1/2A designs barely capable becoming airborne offer virtually no training what proper control response should expected other fact anything will probably go down can teach new pilot go around circles can rock string old adage flying full-sized aircraft want go up pull back stick want go down pull back farther profile fuselage design compromise standard profile model construction methods make fragile crash fuselage invariably breaks behind wing Profile fuselages also bend twist control inputs tends make flying little less precise Giant fillets have added design support fuselage reduce twisting crash damage shape profile fuselages course purely styling exercise model based combination 1930s racers Brewster fighters aerodynamic consideration have side area toward tail reduce yaw lack thick fuselage can made up having larger fin rudder wing low-aspect-ratio design adequate wing area maintained keeping span short reduce leverage longer wingtips provide long thin wings pure performance standpoint high-aspect-ratio wing offers better maneuverability less speed loss through April 1994 41 Type CL trainer Wingspan 32 inches Engine size/type 09-15 Flying weight 16 ounces Construction Built-up wing sheet fuselage/tail Covering/finish MonoKote/ Micafilm wing fuelproof finish wood surfaces Full Size Plans AvailableSee Page 160 iI Ii w -mm II //m 4i /m u mmjf ____ 0/V IIIhIIIhZ \\ \ -a ____________ -UU.kLfl SMD 4W bamm COIN // / / I_ A--UU ___ U [RPM_____ -I m -_ LANDING GEAR INSTALLATION Y0 S KJSS II WING SPAN S WING ANNA MS SQ IN II DESIGNED AND DRAWN fly NANNY RAIIIN maneuvers much easier break Since KISS designed quick construction wing uses off-the-rack leading trailing edges large trailing edge strengthening device Using pieces airfoil bit thinner optimum great maneuverability construction allows covering sag somewhat between ribs further reducing ultimate maneuverability design airplane isnt quite maneuverable compromises cut ultimate out design Airfoils have run gamut ideas after 35 years playing contraptions best airfoils have found range 14%-18% thickness high point about 30% chord curve high point leading edge should very close ellipse thicker airfoil tighter model will turn expense speed experience variations airfoils basic format has usually given model slowed down excessively maneuvers driving factor deciding thickness airfoil lies availability commercially finished leading edges ribs fit 1 x 1 leading edge Its ultimate stunting airfoil maintains first priority Continued page 68 42 Model Aviation D 7N Wm IL Kwsm j U II __________________ II 1 Jean Williams prepares launch KISS Ruben Borunda Note good bank angle MVVS 15 diesel has adequate power size model TURBINE FEVER want new jet model look like jet also FLYLIKEA JET first turbojet engine kit now available diameter appro proved design sound pe -fuel either di simple no noise probi Please contact International WIRE DCUfl BENDS AND FORMS WIRE AND STRIPS OF METAL IN ANGLES CURVES LOOPS ETC Na WB1 00- $400 OUURI1 PUNCH SET CUTS SQUARES AND SLOTS SET INCLUDES SIZES 1/8. 3/18 114 E/163/8 HADE FM NICKEL PLATED STEEL No SPS5 £1200 BRUSHES 3 PCS MINLATURE WIRE BRUSH SET ONE EACH 9pp55 NYLON STAINLESS MWB3 300 T-PIN 1 1/4 100 PACK TP1 4 $200 ZONA SAWS 15042 TEETH 314$230 20032 TEETH 3/4230 250MITRE BOX250 450 SUPER SABRE ,' ,, LONG & SHORT BLADE aso 500 1 1/4 WIDE 270 BOO ZONA HAKA JUNIOR HACKSAW 165 DRILL SETS FIRST QUALITY HIGH SPEED STEEL AlL BETS SUPPUED IN CASE DS1611/18lo1/2 /81 p0- IBEC 06162 TO Z 09- Sc NEEDLE FILE SET S1/2-12SHAPES PLASTIC HANDLE WITH EACH FILE GREAT ON WOOD PLASliC METAL No NFS1O1 -$500 INDUSTRIAL QUALITY XTRA HEAVY DUTY 12 SHAPE 4 LONG $650 NG $800 DREMEL 3950 TOP OF ThE LINE MOTO POWER TOOL SET INCLUDES 40 ACCESSORIES AND CASE No 3950 $7000 EPOXY BRUSHES MADE IN LISA 12/PACK No EB12- $100 Doz No EB144 -$700 GrOSS PIN VWE STAINLESS STEEL -0 TO 18 CAP PV4 4 LONG $400 PV6 6 LONG 600 PV1O-10-LONG- 800 PV1B -15- LONG -1000 PV614- CIa 1/4 CapacIty-$600 TUBE CUlTER 1/B TO S/B CAPACrTY HEAVY DUTY MADE FROM SEMI-STEEL No TC58 $400 HOBBY KNIFE BLADES No11 MADE IN USA ISO PACK NoHKB1 1- $650 SINGLE EDGE BLADES MADE IN USA FIRST OUAUTY NO9IGOPACK NoSEB102450 HEAVY DUTY NO 12 FIRST QUALITY 100 PACK Z PLIERS MAKES PERFECT Z BENDS WITH SQUEEZE No ZPL $1650 CUlTING MATS HEALS ITSELF AFTER EACH CUT AND SURFACE STAYS SMOOTH NON-GLARE GREEN FINISH CUT ON BOTH SIDES CM8 9 x 12 $1000 CM12 12 xiS 1500 HELPING HAND FIRST QUALITY THREE ARMS 2 ARMS WITh ALLIGATOR CLIPS 1 ARM WITh 2X GLASS 2 1/2 MAGNIFIER HH1 -$700 NORTH WESTERN CHOP SAW MAKSPRFECT MITRE CUTS 30 45 80 IN WOOD OR PLASliC USES SINGLE EDGE BLADE ADJ STOP NCS -$1450 T-UAH SANUH ALUMINUM MADE IN USA Til 11 LONG $230 T22 22 LONG $350 SANDPAPER RUFFTUFF ADHESIVE BACK $105 EA ISPECIFYFINEIRSPI MEDIUM IRsMI DR COARSE IRECII LONG DRILLSSET n ELECTRONIC CALIPER FIRST QUALITY HIGH SPEED STEEL1/16 i/a1ST INDUSTRIAL OUAUTY 12 LONG18 LONG5/32 LG1 1/16 $450 LG6 3/16 $15003/11/4READS IN INCHES AND METRIC LG2 1/8 450 LG7 7/32 1500 12 LONG 0-6- 0-155MM MOST POPULAR LG3 5/32450LOB 1/41500 LG9 $2100 -$5500 DS163-No ItoBO EOpcsSIB5C LG4 3/16450 DIAL CALIPER p5184 NoSI 802Opo- 12 SC LOS 1/4550. RDERINGl ___________________I1ST INDUSTRIAL QUAUTY P RD ADD $3OOio B 100 SINGLE REVOLUTION EASTERN TOOL&SUPPLYCO CODADD$750 o IN 149 GRAND STREET NEW YORK NY 10013 ORDERS 212925lG06I SAliN CHROME FINISH WRITE FOR CATALOG $300 OR FREE WITH ORDER OFFICE 212226374OI TH FITED CASE FAX 212-925-1010DC6 -$2100 Thanks Neal Chancellor Chairman Valkaria Airport making us feel very welcome Also Indian River Kontrol Club did great job putting race Contest Director Tom Bogut crew put lot hard work hours make race success Boy missed missed good 1994 race will beheld Dallas Texas start getting ready See ya IBaxter Continued page 42 model KISS decades-old argument about use effectiveness desirability flaps Flap travel up lOl5o can have positive effect maneuverability model particularly airfoil very efficient Speaking purely aerodynamic standpoint flap travel beyond 150 rapidly builds up drag offers little no increase lift wingtips have aerodynamic advantage over standard shapes As airplane flies low-pressure area side wing producing lift air opposite side attempts flow low pressure side especially tips produces flow air toward tips source wingtip vortices tips raked toward trailing edge flow around wingtips reduced causing increase effective wing area lift same effect produced winglets current full-size designs since models dont always fly right side up winglets would effective part time landing gear design another compromise simple standard thmugh-the fuselage gear lighter doesnt look good does offer ease removal case damage desire simply fly landing gear hardwood gear mount KISS stiffens center section wingKISS also uses substantial engine offset required lighter slower designs As model size weight increases centrifugal REGAIN CONTROL 37] Losing Control Cafl nightmare wrong response given Command Cafl take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half Century Combined experience modeling radio repair So avoid inflated repair Costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Futaba ______ ne jAIRThWfICS 5524 N Palafox Pensacola FL 32503 F repair information 904 434-0909 1-800-9627802 Toll Free Order Line lOrders Only PleaSell 68 Model Aviation * nih Am Grunen A-8813 St Lan AustrialE Tel-i-Fax 0043/ / 2422 Tel 0043 / 3585 / 2486 ~T lli No Matter put markings models now. DRY-SET better adhealon DRY-SET Markings stay put special adhesive sets low heat applied leaving marking permanently attached thickness measured microns thinnest markings available Only actual color transfered model no discernible edge Better paint iron coverings COlOL DRY-SET scale markings Federal Standard 595a colors certified independent laboratory DRY-SETs special formulations wont change color put model affordable DRY-SE transfers cost no water transfer pressure sensitive decals Over 300 different styles avajable See local &aler application No water mess stick want Simply position marking rub lightly andiron Low heat activate adhesive Easily applied solid open structures outline As simple may seem manufacturers dont get right DRY-SET scale markings meet applicable mil specs and/or standards fuelproof DRY-SETs proprietary chemistry stands up anything can throw Resists gasoline glow fuels up 50% nitro can use kind clear finishing system 7029 Sanger Avenue Woodway TX 817 741-0379 FAX817 741-0335 0 High & Dry REDI-RAC Transmitter Stand Holds transmitter start-up Protects radio dirt moisture Choice red white blue day-gb orange hot pink One-piece unit quickly snaps place unsnaps carry flat Great item raffles prizes gifts $1250 plus $150 S&H Cash Check MO Dealer Inquiries Invited Massachusetts orders add 5% MA sales taxClub Discounts Available Made USAPatent Pending JDM Products 543 Bedford Street Concord MA 01742 Tel 508 369-9212 force can replace offset amount rudder offset minimal because dont want model excessively yawed arc flying circle engine offset will hold model end lines rudder will control heading model small amount rudder offset nice engine has quit Wingtip weight should applied small doses spanwise center gravity model should just outside fuselage about 3A outside centerline fuselage wingtip weight effective during takeoff counteracting engine torque model released determine whether have right amount weight watch model pulling out loop wingover determine whether either wingtip drops outboard wingtip drops too much weight vice versa ounce usually enough model CONSTRUCTION First make yourself kit Cut out parts bend gear wires can get assembly mode Once start gluing beast goes together fast landing gear optional fly exclusively grass fields leave gear off Its unnecessary weight will tend nose airplane takeoffs landings choose install gear glue landing block leading edge stick ribs slots leading trailing edges Hold assembly together rubber bands make sure twists other misalignments removed before ribs glued Set wing up can stand about 10 feet behind look trailing leading edge Sec two edges aligned Once wing perfeefly straight glue ribs leading trailing edges Glue bellerank floor install control system KISS uses two-inch Perfect bellerank Carl Goldberg nylon control horn Engineering note Bellerank location particularly critical criteria being leadouts should pull straight out wing model its normal flight yaw angle prevent binding wear leadout location wingtip critical measurement leadouts too far forward model will tend slack lines too Continued page 78 70 Model Aviation AGE INSTRUCTION MANUAL ENLARGABLE PLANS & FULL SIZED PART PATTERNS TO BUILD 4 CHANNEL 05 ELECTRIC MOTOR POWERED RC DUCT FAN MIG 15 MODEL 4 SIZES OF FREE FLIGHT MIG 15 DUCT FAN MODELS & 1 RUBBER POWERED FREE FLIGHT MOD EL Retail price $2400 Shipping handling fee $400 Dealer inquires invited Ferrell Papic 300 W Lincoln #82 Orange Ca 92665 Catalog $200 prn . rn-N-u-u EEE UN UE1I EEUWm MUM U U U mu U SIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE E * 1* * 1* $625 $795 $895 B S $ 1295 $1495 $1695 $1395 $1595 I I U U U U UEEEEEEEEEEEEUEE m m m m m m m ASTE#J SOUW MUFFLERS an4 PIPES Alloy Steel Lightweight Fits 26 Modelso 58 4-Stroke lielicopter TESTED 88DB AT 3 METERS Clajence . RCM Engine Clinic MUFFLER THAT THINKS ITS PIPE Don Lowe. ident AMA STILL THE MOST EFFECEIVE MUFFLER HowaniCrispin. AMA Sound Committee U U U U P U U U U p I p I I I S S S r Call 203 877-1670 send 758 stamped #10 envelope & $3 credited 1st order DAVIS MODEL PRODUCTS Dealer Inquiries InvitedP0 Box 141 Dept M Milford CT 06460 Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels Special Detergents Promote clean burning prevent residue buildup Rust Inhibitors Protect engines corrosion After run oil needed engines Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer Satisfaction Guaranteed 00h Nitromethane 5% Nitromethane$325 10% Nitromethane$395 15% Nitromethane$395 25% Nitromethane$495 35% Nitromethane$595 SIG CHAMPION 2-STROKE FUEL PINTQUARTGALLON $995 $1295 $1495 $1695 $2295 $2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 15% Nitromethane$1625 SIG ALL-CASTOR FUEL 5% Nitromethane 20% CASTOR 10% Nitromethane 20% CASTOR 15% Nitromethane 20% CASTOR 5% Nitromethane 25% CASTOR 10% Nitromethane 25% CASTOR THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels excep tion All-Castor Fuels contain 5050 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself FREE SHIPPING ON ORDERS OVER $1500 BUT ALL ORDERS ARE SUBJECT TO $6OOIPkg UPS HAZARDOuS MATERIAL SURCHARGEPces subiect change notice Toll Fr. Order 1400-247-5008 Modelers NotlIn 1800-524-7805 Latest Catalog $300 SIG MANUFACTURING CO INC .Montezuma IA 50171 KiSSIBaxter Continued page 70 far back model will pull arm off level flight go slack maneuvers reason lot Stunt models now use adjustable leadouts dont get nght first time get try again easily Add upper lower planking wing tips Hinge stabilizer elevator using favorite method used nylon hinges commercial products acceptable old-fashioned cloth hinges shown plans Slide wing through fuselage glue assuring properly aligned Note fuselage mounted slightly right wing centerline allowing slightly wing area left inboard side model Since inboard wing flies slowly outboard wing area required equalize lift Install align stabilizer parallel wing Attach control horn pushrod adjust elevator travel about 3O up down wing fillets added next As mentioned earlier items styling exercises add significant strength Install maple engine mount beams plywood doublers Glue mdder note minimal offset Cover wing favorite material prototype covered gray MonoKoteone two iron-on covering materials other Micafllm resistant diesel fuel choose use glow engine choices numerous would recommend Micafllm novice pilot because high strength material Paint remainder model fuelproof paint favorite colors Install landing gear using screws washers hold landing gear wire hardwood mounts slot plans show use landing gear plates look photos will reveal screws washers used prototype arrangement works well Pick poison just remember KISS Position engine get center gravity CG want located within range shown plan farther forward CG less sensitive model Continued page 86 RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write call information RC Fight Training 704 3BB96B 78 Model Aviation U U Mbi HORNET 0747 I2anigaed byyI Lee JStaaRel.A IOI tIP tiplne Great performer giving hours low cost fun flying Although Cornet designed aroued Coe 074 Queen Bee 09 15 engines may used mr speed hot aerobatics plans parts supplied accosesodate option design very versatile various configurations o Durable Lee-weight model o Rachino-out AAA balsa * Built-op sdogs aed tail o Built-up fuselage Wheel pants parts o 141 ailerons Easy access covers Steerable tail wheel Full-sine illustrated plans instructions b c Private Be & servo mtg rails Special fuel tash mount Forecd shook-absorbing landing tail gear Symnetrical airfoil Bardeere package Engine ntg bolts Du-Bro 2-ne funi tank DoBin wheels On-Bro hinges Du-Bro control linkages DuBro control bonn Itasgel aileron links Plus misc hardusre Comprehensive handbook reveals save time frustration money getting yourwings Plus other things really need know $1275 ppd Wing Span 277 Wing Area 297 ngin Wing Loading 102-121 oapar uqft Weight 21-25 us $4995sic eguipnent Length 2h5 ADD $6 S&BRadio micro 4-channel 1034 River Bend Dr12 atd Hartford WI 53027 Winconnin Eesidcntn Add 1% Tan KiSSIBaxter Continued page 78 will Square corners tend suffer bit forward CG locations beginner forward location recommended engine can moved back pilot gains experience Limit model engines weigh no five ounces Most 09s will fall weight range some 15s such old Fox 15X will quite appropriate Anything heavier CC will end up too far forward good control response total model weight will increase unacceptable amount model weighed 16 ounces could have built much lighter careful wood selection prototype powered 33-ounce IVIVVS 15cc 09 diesel performed adequately MVVS starts tunes easily has ample power model engine available Carlson Engine Imports 814 East Marconi Avenue Phoenix Arizona 85022 price less $40 writing Master Airscrew 7 x 6 prop choice fuel contained 15 ounce approx Perfect tank held rubber bands hooked wires passing through fuselage other tank mounting techniques use pick own economy diesel engine flight time exceeds five minutes small tank KISS first flight performed author model went through AMA stunt maneuvers room spare 35-foot lines too-short lines lines available less 60 feet long second flight handled novice flier impressed way model flew after tested out strength plane hand-launch prang third flight flown man flown anything twenty years also impressed models stability problem dizziness did complete flight KISS has no nasty flight characteristics whether novice experienced pilot want fun simple flying machine can built quickly will enjoy rders Call 1-800-645-KITS lnlsrmatlon saIl 609448-1122 POSes 771 QENERIX East WIndsor NJ BSB2B Tomorrows Kits Affordable Prices Write Free Catalog s Add $500 COD Custom Kit Cutters s Plans Anyone Elses 86 Model Aviation sfaction Guaranteed M6I6 5H710 Pkg 24 $2e5 EA~ HINEZ THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier Install other hinge No gouging picking messy epoxies Simply Cut single knife slot hinge slide hinges place apply few drops favorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 7de Se4t C9e4 f4ia eaa MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 $3gg5 kil Span 48 Eng Radio 4 ucn,o no an, 0 Over 40 ioops per win unlimited rolls LOW WING PREDATOR $3gg5 &H 48 25 45 Fully acorobatic fun fly t competition Will roil & turn .a a
Edition: Model Aviation - 1994/04
Page Numbers: 40, 41, 42, 68, 70, 78, 86
Keep Simple Stupid Barry Baxter KSthe acronym Keep Simple Stupidhas seen lost sight industries pastimes road noble concept filled ruts potholes detours call difficulties design compromises will describe some compromises required designing model attempting maintain purest KISS concepts first design consideration primary function model want event-specific model sport plane much strength weight maneuverability want Control line model designs usually based amount maneuverability and/or speed desired modem 40 Model Aviation Engine tank landing gear detail Note fuel filter single screws holding gear wire Use light wheels Below left Wing structure controls LE routed save weight Below right Solid wire leadouts used two-inch Perfect bellcrank competitive Stunt model built perform smooth stable maneuvers slow speed built thick wing flaps large enginethe former actually slow model down dampen maneuverability latter supply adequate power maintain speed maneuvers Since KISS basic trainer beginners Stunt trainer advanced fliers needed provide reasonable amount strength novices occasional inadvertent contact terra firma yet model maneuverable enough whet desires advanced fliers Optimum model size primary consideration larger model easier break Since model perform trainer must break too easily Because KISS trainer powerplants considered engines can flaicky disheartening beginner can real bear make perform properly aerobatics 09- 15 size engines available reasonable cost simple operate light enough allow us build small modelone prone breakage large enough maneuverable yet stable simplistic KISS model would rock-on-a-string concept some people feel proper trainers overweight undersized slab-winged solid-balsa 1/2A designs barely capable becoming airborne offer virtually no training what proper control response should expected other fact anything will probably go down can teach new pilot go around circles can rock string old adage flying full-sized aircraft want go up pull back stick want go down pull back farther profile fuselage design compromise standard profile model construction methods make fragile crash fuselage invariably breaks behind wing Profile fuselages also bend twist control inputs tends make flying little less precise Giant fillets have added design support fuselage reduce twisting crash damage shape profile fuselages course purely styling exercise model based combination 1930s racers Brewster fighters aerodynamic consideration have side area toward tail reduce yaw lack thick fuselage can made up having larger fin rudder wing low-aspect-ratio design adequate wing area maintained keeping span short reduce leverage longer wingtips provide long thin wings pure performance standpoint high-aspect-ratio wing offers better maneuverability less speed loss through April 1994 41 Type CL trainer Wingspan 32 inches Engine size/type 09-15 Flying weight 16 ounces Construction Built-up wing sheet fuselage/tail Covering/finish MonoKote/ Micafilm wing fuelproof finish wood surfaces Full Size Plans AvailableSee Page 160 iI Ii w -mm II //m 4i /m u mmjf ____ 0/V IIIhIIIhZ \\ \ -a ____________ -UU.kLfl SMD 4W bamm COIN // / / I_ A--UU ___ U [RPM_____ -I m -_ LANDING GEAR INSTALLATION Y0 S KJSS II WING SPAN S WING ANNA MS SQ IN II DESIGNED AND DRAWN fly NANNY RAIIIN maneuvers much easier break Since KISS designed quick construction wing uses off-the-rack leading trailing edges large trailing edge strengthening device Using pieces airfoil bit thinner optimum great maneuverability construction allows covering sag somewhat between ribs further reducing ultimate maneuverability design airplane isnt quite maneuverable compromises cut ultimate out design Airfoils have run gamut ideas after 35 years playing contraptions best airfoils have found range 14%-18% thickness high point about 30% chord curve high point leading edge should very close ellipse thicker airfoil tighter model will turn expense speed experience variations airfoils basic format has usually given model slowed down excessively maneuvers driving factor deciding thickness airfoil lies availability commercially finished leading edges ribs fit 1 x 1 leading edge Its ultimate stunting airfoil maintains first priority Continued page 68 42 Model Aviation D 7N Wm IL Kwsm j U II __________________ II 1 Jean Williams prepares launch KISS Ruben Borunda Note good bank angle MVVS 15 diesel has adequate power size model TURBINE FEVER want new jet model look like jet also FLYLIKEA JET first turbojet engine kit now available diameter appro proved design sound pe -fuel either di simple no noise probi Please contact International WIRE DCUfl BENDS AND FORMS WIRE AND STRIPS OF METAL IN ANGLES CURVES LOOPS ETC Na WB1 00- $400 OUURI1 PUNCH SET CUTS SQUARES AND SLOTS SET INCLUDES SIZES 1/8. 3/18 114 E/163/8 HADE FM NICKEL PLATED STEEL No SPS5 £1200 BRUSHES 3 PCS MINLATURE WIRE BRUSH SET ONE EACH 9pp55 NYLON STAINLESS MWB3 300 T-PIN 1 1/4 100 PACK TP1 4 $200 ZONA SAWS 15042 TEETH 314$230 20032 TEETH 3/4230 250MITRE BOX250 450 SUPER SABRE ,' ,, LONG & SHORT BLADE aso 500 1 1/4 WIDE 270 BOO ZONA HAKA JUNIOR HACKSAW 165 DRILL SETS FIRST QUALITY HIGH SPEED STEEL AlL BETS SUPPUED IN CASE DS1611/18lo1/2 /81 p0- IBEC 06162 TO Z 09- Sc NEEDLE FILE SET S1/2-12SHAPES PLASTIC HANDLE WITH EACH FILE GREAT ON WOOD PLASliC METAL No NFS1O1 -$500 INDUSTRIAL QUALITY XTRA HEAVY DUTY 12 SHAPE 4 LONG $650 NG $800 DREMEL 3950 TOP OF ThE LINE MOTO POWER TOOL SET INCLUDES 40 ACCESSORIES AND CASE No 3950 $7000 EPOXY BRUSHES MADE IN LISA 12/PACK No EB12- $100 Doz No EB144 -$700 GrOSS PIN VWE STAINLESS STEEL -0 TO 18 CAP PV4 4 LONG $400 PV6 6 LONG 600 PV1O-10-LONG- 800 PV1B -15- LONG -1000 PV614- CIa 1/4 CapacIty-$600 TUBE CUlTER 1/B TO S/B CAPACrTY HEAVY DUTY MADE FROM SEMI-STEEL No TC58 $400 HOBBY KNIFE BLADES No11 MADE IN USA ISO PACK NoHKB1 1- $650 SINGLE EDGE BLADES MADE IN USA FIRST OUAUTY NO9IGOPACK NoSEB102450 HEAVY DUTY NO 12 FIRST QUALITY 100 PACK Z PLIERS MAKES PERFECT Z BENDS WITH SQUEEZE No ZPL $1650 CUlTING MATS HEALS ITSELF AFTER EACH CUT AND SURFACE STAYS SMOOTH NON-GLARE GREEN FINISH CUT ON BOTH SIDES CM8 9 x 12 $1000 CM12 12 xiS 1500 HELPING HAND FIRST QUALITY THREE ARMS 2 ARMS WITh ALLIGATOR CLIPS 1 ARM WITh 2X GLASS 2 1/2 MAGNIFIER HH1 -$700 NORTH WESTERN CHOP SAW MAKSPRFECT MITRE CUTS 30 45 80 IN WOOD OR PLASliC USES SINGLE EDGE BLADE ADJ STOP NCS -$1450 T-UAH SANUH ALUMINUM MADE IN USA Til 11 LONG $230 T22 22 LONG $350 SANDPAPER RUFFTUFF ADHESIVE BACK $105 EA ISPECIFYFINEIRSPI MEDIUM IRsMI DR COARSE IRECII LONG DRILLSSET n ELECTRONIC CALIPER FIRST QUALITY HIGH SPEED STEEL1/16 i/a1ST INDUSTRIAL OUAUTY 12 LONG18 LONG5/32 LG1 1/16 $450 LG6 3/16 $15003/11/4READS IN INCHES AND METRIC LG2 1/8 450 LG7 7/32 1500 12 LONG 0-6- 0-155MM MOST POPULAR LG3 5/32450LOB 1/41500 LG9 $2100 -$5500 DS163-No ItoBO EOpcsSIB5C LG4 3/16450 DIAL CALIPER p5184 NoSI 802Opo- 12 SC LOS 1/4550. RDERINGl ___________________I1ST INDUSTRIAL QUAUTY P RD ADD $3OOio B 100 SINGLE REVOLUTION EASTERN TOOL&SUPPLYCO CODADD$750 o IN 149 GRAND STREET NEW YORK NY 10013 ORDERS 212925lG06I SAliN CHROME FINISH WRITE FOR CATALOG $300 OR FREE WITH ORDER OFFICE 212226374OI TH FITED CASE FAX 212-925-1010DC6 -$2100 Thanks Neal Chancellor Chairman Valkaria Airport making us feel very welcome Also Indian River Kontrol Club did great job putting race Contest Director Tom Bogut crew put lot hard work hours make race success Boy missed missed good 1994 race will beheld Dallas Texas start getting ready See ya IBaxter Continued page 42 model KISS decades-old argument about use effectiveness desirability flaps Flap travel up lOl5o can have positive effect maneuverability model particularly airfoil very efficient Speaking purely aerodynamic standpoint flap travel beyond 150 rapidly builds up drag offers little no increase lift wingtips have aerodynamic advantage over standard shapes As airplane flies low-pressure area side wing producing lift air opposite side attempts flow low pressure side especially tips produces flow air toward tips source wingtip vortices tips raked toward trailing edge flow around wingtips reduced causing increase effective wing area lift same effect produced winglets current full-size designs since models dont always fly right side up winglets would effective part time landing gear design another compromise simple standard thmugh-the fuselage gear lighter doesnt look good does offer ease removal case damage desire simply fly landing gear hardwood gear mount KISS stiffens center section wingKISS also uses substantial engine offset required lighter slower designs As model size weight increases centrifugal REGAIN CONTROL 37] Losing Control Cafl nightmare wrong response given Command Cafl take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half Century Combined experience modeling radio repair So avoid inflated repair Costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Futaba ______ ne jAIRThWfICS 5524 N Palafox Pensacola FL 32503 F repair information 904 434-0909 1-800-9627802 Toll Free Order Line lOrders Only PleaSell 68 Model Aviation * nih Am Grunen A-8813 St Lan AustrialE Tel-i-Fax 0043/ / 2422 Tel 0043 / 3585 / 2486 ~T lli No Matter put markings models now. DRY-SET better adhealon DRY-SET Markings stay put special adhesive sets low heat applied leaving marking permanently attached thickness measured microns thinnest markings available Only actual color transfered model no discernible edge Better paint iron coverings COlOL DRY-SET scale markings Federal Standard 595a colors certified independent laboratory DRY-SETs special formulations wont change color put model affordable DRY-SE transfers cost no water transfer pressure sensitive decals Over 300 different styles avajable See local &aler application No water mess stick want Simply position marking rub lightly andiron Low heat activate adhesive Easily applied solid open structures outline As simple may seem manufacturers dont get right DRY-SET scale markings meet applicable mil specs and/or standards fuelproof DRY-SETs proprietary chemistry stands up anything can throw Resists gasoline glow fuels up 50% nitro can use kind clear finishing system 7029 Sanger Avenue Woodway TX 817 741-0379 FAX817 741-0335 0 High & Dry REDI-RAC Transmitter Stand Holds transmitter start-up Protects radio dirt moisture Choice red white blue day-gb orange hot pink One-piece unit quickly snaps place unsnaps carry flat Great item raffles prizes gifts $1250 plus $150 S&H Cash Check MO Dealer Inquiries Invited Massachusetts orders add 5% MA sales taxClub Discounts Available Made USAPatent Pending JDM Products 543 Bedford Street Concord MA 01742 Tel 508 369-9212 force can replace offset amount rudder offset minimal because dont want model excessively yawed arc flying circle engine offset will hold model end lines rudder will control heading model small amount rudder offset nice engine has quit Wingtip weight should applied small doses spanwise center gravity model should just outside fuselage about 3A outside centerline fuselage wingtip weight effective during takeoff counteracting engine torque model released determine whether have right amount weight watch model pulling out loop wingover determine whether either wingtip drops outboard wingtip drops too much weight vice versa ounce usually enough model CONSTRUCTION First make yourself kit Cut out parts bend gear wires can get assembly mode Once start gluing beast goes together fast landing gear optional fly exclusively grass fields leave gear off Its unnecessary weight will tend nose airplane takeoffs landings choose install gear glue landing block leading edge stick ribs slots leading trailing edges Hold assembly together rubber bands make sure twists other misalignments removed before ribs glued Set wing up can stand about 10 feet behind look trailing leading edge Sec two edges aligned Once wing perfeefly straight glue ribs leading trailing edges Glue bellerank floor install control system KISS uses two-inch Perfect bellerank Carl Goldberg nylon control horn Engineering note Bellerank location particularly critical criteria being leadouts should pull straight out wing model its normal flight yaw angle prevent binding wear leadout location wingtip critical measurement leadouts too far forward model will tend slack lines too Continued page 78 70 Model Aviation AGE INSTRUCTION MANUAL ENLARGABLE PLANS & FULL SIZED PART PATTERNS TO BUILD 4 CHANNEL 05 ELECTRIC MOTOR POWERED RC DUCT FAN MIG 15 MODEL 4 SIZES OF FREE FLIGHT MIG 15 DUCT FAN MODELS & 1 RUBBER POWERED FREE FLIGHT MOD EL Retail price $2400 Shipping handling fee $400 Dealer inquires invited Ferrell Papic 300 W Lincoln #82 Orange Ca 92665 Catalog $200 prn . rn-N-u-u EEE UN UE1I EEUWm MUM U U U mu U SIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE E * 1* * 1* $625 $795 $895 B S $ 1295 $1495 $1695 $1395 $1595 I I U U U U UEEEEEEEEEEEEUEE m m m m m m m ASTE#J SOUW MUFFLERS an4 PIPES Alloy Steel Lightweight Fits 26 Modelso 58 4-Stroke lielicopter TESTED 88DB AT 3 METERS Clajence . RCM Engine Clinic MUFFLER THAT THINKS ITS PIPE Don Lowe. ident AMA STILL THE MOST EFFECEIVE MUFFLER HowaniCrispin. AMA Sound Committee U U U U P U U U U p I p I I I S S S r Call 203 877-1670 send 758 stamped #10 envelope & $3 credited 1st order DAVIS MODEL PRODUCTS Dealer Inquiries InvitedP0 Box 141 Dept M Milford CT 06460 Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels Special Detergents Promote clean burning prevent residue buildup Rust Inhibitors Protect engines corrosion After run oil needed engines Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer Satisfaction Guaranteed 00h Nitromethane 5% Nitromethane$325 10% Nitromethane$395 15% Nitromethane$395 25% Nitromethane$495 35% Nitromethane$595 SIG CHAMPION 2-STROKE FUEL PINTQUARTGALLON $995 $1295 $1495 $1695 $2295 $2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 15% Nitromethane$1625 SIG ALL-CASTOR FUEL 5% Nitromethane 20% CASTOR 10% Nitromethane 20% CASTOR 15% Nitromethane 20% CASTOR 5% Nitromethane 25% CASTOR 10% Nitromethane 25% CASTOR THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels excep tion All-Castor Fuels contain 5050 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself FREE SHIPPING ON ORDERS OVER $1500 BUT ALL ORDERS ARE SUBJECT TO $6OOIPkg UPS HAZARDOuS MATERIAL SURCHARGEPces subiect change notice Toll Fr. Order 1400-247-5008 Modelers NotlIn 1800-524-7805 Latest Catalog $300 SIG MANUFACTURING CO INC .Montezuma IA 50171 KiSSIBaxter Continued page 70 far back model will pull arm off level flight go slack maneuvers reason lot Stunt models now use adjustable leadouts dont get nght first time get try again easily Add upper lower planking wing tips Hinge stabilizer elevator using favorite method used nylon hinges commercial products acceptable old-fashioned cloth hinges shown plans Slide wing through fuselage glue assuring properly aligned Note fuselage mounted slightly right wing centerline allowing slightly wing area left inboard side model Since inboard wing flies slowly outboard wing area required equalize lift Install align stabilizer parallel wing Attach control horn pushrod adjust elevator travel about 3O up down wing fillets added next As mentioned earlier items styling exercises add significant strength Install maple engine mount beams plywood doublers Glue mdder note minimal offset Cover wing favorite material prototype covered gray MonoKoteone two iron-on covering materials other Micafllm resistant diesel fuel choose use glow engine choices numerous would recommend Micafllm novice pilot because high strength material Paint remainder model fuelproof paint favorite colors Install landing gear using screws washers hold landing gear wire hardwood mounts slot plans show use landing gear plates look photos will reveal screws washers used prototype arrangement works well Pick poison just remember KISS Position engine get center gravity CG want located within range shown plan farther forward CG less sensitive model Continued page 86 RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write call information RC Fight Training 704 3BB96B 78 Model Aviation U U Mbi HORNET 0747 I2anigaed byyI Lee JStaaRel.A IOI tIP tiplne Great performer giving hours low cost fun flying Although Cornet designed aroued Coe 074 Queen Bee 09 15 engines may used mr speed hot aerobatics plans parts supplied accosesodate option design very versatile various configurations o Durable Lee-weight model o Rachino-out AAA balsa * Built-op sdogs aed tail o Built-up fuselage Wheel pants parts o 141 ailerons Easy access covers Steerable tail wheel Full-sine illustrated plans instructions b c Private Be & servo mtg rails Special fuel tash mount Forecd shook-absorbing landing tail gear Symnetrical airfoil Bardeere package Engine ntg bolts Du-Bro 2-ne funi tank DoBin wheels On-Bro hinges Du-Bro control linkages DuBro control bonn Itasgel aileron links Plus misc hardusre Comprehensive handbook reveals save time frustration money getting yourwings Plus other things really need know $1275 ppd Wing Span 277 Wing Area 297 ngin Wing Loading 102-121 oapar uqft Weight 21-25 us $4995sic eguipnent Length 2h5 ADD $6 S&BRadio micro 4-channel 1034 River Bend Dr12 atd Hartford WI 53027 Winconnin Eesidcntn Add 1% Tan KiSSIBaxter Continued page 78 will Square corners tend suffer bit forward CG locations beginner forward location recommended engine can moved back pilot gains experience Limit model engines weigh no five ounces Most 09s will fall weight range some 15s such old Fox 15X will quite appropriate Anything heavier CC will end up too far forward good control response total model weight will increase unacceptable amount model weighed 16 ounces could have built much lighter careful wood selection prototype powered 33-ounce IVIVVS 15cc 09 diesel performed adequately MVVS starts tunes easily has ample power model engine available Carlson Engine Imports 814 East Marconi Avenue Phoenix Arizona 85022 price less $40 writing Master Airscrew 7 x 6 prop choice fuel contained 15 ounce approx Perfect tank held rubber bands hooked wires passing through fuselage other tank mounting techniques use pick own economy diesel engine flight time exceeds five minutes small tank KISS first flight performed author model went through AMA stunt maneuvers room spare 35-foot lines too-short lines lines available less 60 feet long second flight handled novice flier impressed way model flew after tested out strength plane hand-launch prang third flight flown man flown anything twenty years also impressed models stability problem dizziness did complete flight KISS has no nasty flight characteristics whether novice experienced pilot want fun simple flying machine can built quickly will enjoy rders Call 1-800-645-KITS lnlsrmatlon saIl 609448-1122 POSes 771 QENERIX East WIndsor NJ BSB2B Tomorrows Kits Affordable Prices Write Free Catalog s Add $500 COD Custom Kit Cutters s Plans Anyone Elses 86 Model Aviation sfaction Guaranteed M6I6 5H710 Pkg 24 $2e5 EA~ HINEZ THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier Install other hinge No gouging picking messy epoxies Simply Cut single knife slot hinge slide hinges place apply few drops favorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 7de Se4t C9e4 f4ia eaa MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 $3gg5 kil Span 48 Eng Radio 4 ucn,o no an, 0 Over 40 ioops per win unlimited rolls LOW WING PREDATOR $3gg5 &H 48 25 45 Fully acorobatic fun fly t competition Will roil & turn .a a
Edition: Model Aviation - 1994/04
Page Numbers: 40, 41, 42, 68, 70, 78, 86
Keep Simple Stupid Barry Baxter KSthe acronym Keep Simple Stupidhas seen lost sight industries pastimes road noble concept filled ruts potholes detours call difficulties design compromises will describe some compromises required designing model attempting maintain purest KISS concepts first design consideration primary function model want event-specific model sport plane much strength weight maneuverability want Control line model designs usually based amount maneuverability and/or speed desired modem 40 Model Aviation Engine tank landing gear detail Note fuel filter single screws holding gear wire Use light wheels Below left Wing structure controls LE routed save weight Below right Solid wire leadouts used two-inch Perfect bellcrank competitive Stunt model built perform smooth stable maneuvers slow speed built thick wing flaps large enginethe former actually slow model down dampen maneuverability latter supply adequate power maintain speed maneuvers Since KISS basic trainer beginners Stunt trainer advanced fliers needed provide reasonable amount strength novices occasional inadvertent contact terra firma yet model maneuverable enough whet desires advanced fliers Optimum model size primary consideration larger model easier break Since model perform trainer must break too easily Because KISS trainer powerplants considered engines can flaicky disheartening beginner can real bear make perform properly aerobatics 09- 15 size engines available reasonable cost simple operate light enough allow us build small modelone prone breakage large enough maneuverable yet stable simplistic KISS model would rock-on-a-string concept some people feel proper trainers overweight undersized slab-winged solid-balsa 1/2A designs barely capable becoming airborne offer virtually no training what proper control response should expected other fact anything will probably go down can teach new pilot go around circles can rock string old adage flying full-sized aircraft want go up pull back stick want go down pull back farther profile fuselage design compromise standard profile model construction methods make fragile crash fuselage invariably breaks behind wing Profile fuselages also bend twist control inputs tends make flying little less precise Giant fillets have added design support fuselage reduce twisting crash damage shape profile fuselages course purely styling exercise model based combination 1930s racers Brewster fighters aerodynamic consideration have side area toward tail reduce yaw lack thick fuselage can made up having larger fin rudder wing low-aspect-ratio design adequate wing area maintained keeping span short reduce leverage longer wingtips provide long thin wings pure performance standpoint high-aspect-ratio wing offers better maneuverability less speed loss through April 1994 41 Type CL trainer Wingspan 32 inches Engine size/type 09-15 Flying weight 16 ounces Construction Built-up wing sheet fuselage/tail Covering/finish MonoKote/ Micafilm wing fuelproof finish wood surfaces Full Size Plans AvailableSee Page 160 iI Ii w -mm II //m 4i /m u mmjf ____ 0/V IIIhIIIhZ \\ \ -a ____________ -UU.kLfl SMD 4W bamm COIN // / / I_ A--UU ___ U [RPM_____ -I m -_ LANDING GEAR INSTALLATION Y0 S KJSS II WING SPAN S WING ANNA MS SQ IN II DESIGNED AND DRAWN fly NANNY RAIIIN maneuvers much easier break Since KISS designed quick construction wing uses off-the-rack leading trailing edges large trailing edge strengthening device Using pieces airfoil bit thinner optimum great maneuverability construction allows covering sag somewhat between ribs further reducing ultimate maneuverability design airplane isnt quite maneuverable compromises cut ultimate out design Airfoils have run gamut ideas after 35 years playing contraptions best airfoils have found range 14%-18% thickness high point about 30% chord curve high point leading edge should very close ellipse thicker airfoil tighter model will turn expense speed experience variations airfoils basic format has usually given model slowed down excessively maneuvers driving factor deciding thickness airfoil lies availability commercially finished leading edges ribs fit 1 x 1 leading edge Its ultimate stunting airfoil maintains first priority Continued page 68 42 Model Aviation D 7N Wm IL Kwsm j U II __________________ II 1 Jean Williams prepares launch KISS Ruben Borunda Note good bank angle MVVS 15 diesel has adequate power size model TURBINE FEVER want new jet model look like jet also FLYLIKEA JET first turbojet engine kit now available diameter appro proved design sound pe -fuel either di simple no noise probi Please contact International WIRE DCUfl BENDS AND FORMS WIRE AND STRIPS OF METAL IN ANGLES CURVES LOOPS ETC Na WB1 00- $400 OUURI1 PUNCH SET CUTS SQUARES AND SLOTS SET INCLUDES SIZES 1/8. 3/18 114 E/163/8 HADE FM NICKEL PLATED STEEL No SPS5 £1200 BRUSHES 3 PCS MINLATURE WIRE BRUSH SET ONE EACH 9pp55 NYLON STAINLESS MWB3 300 T-PIN 1 1/4 100 PACK TP1 4 $200 ZONA SAWS 15042 TEETH 314$230 20032 TEETH 3/4230 250MITRE BOX250 450 SUPER SABRE ,' ,, LONG & SHORT BLADE aso 500 1 1/4 WIDE 270 BOO ZONA HAKA JUNIOR HACKSAW 165 DRILL SETS FIRST QUALITY HIGH SPEED STEEL AlL BETS SUPPUED IN CASE DS1611/18lo1/2 /81 p0- IBEC 06162 TO Z 09- Sc NEEDLE FILE SET S1/2-12SHAPES PLASTIC HANDLE WITH EACH FILE GREAT ON WOOD PLASliC METAL No NFS1O1 -$500 INDUSTRIAL QUALITY XTRA HEAVY DUTY 12 SHAPE 4 LONG $650 NG $800 DREMEL 3950 TOP OF ThE LINE MOTO POWER TOOL SET INCLUDES 40 ACCESSORIES AND CASE No 3950 $7000 EPOXY BRUSHES MADE IN LISA 12/PACK No EB12- $100 Doz No EB144 -$700 GrOSS PIN VWE STAINLESS STEEL -0 TO 18 CAP PV4 4 LONG $400 PV6 6 LONG 600 PV1O-10-LONG- 800 PV1B -15- LONG -1000 PV614- CIa 1/4 CapacIty-$600 TUBE CUlTER 1/B TO S/B CAPACrTY HEAVY DUTY MADE FROM SEMI-STEEL No TC58 $400 HOBBY KNIFE BLADES No11 MADE IN USA ISO PACK NoHKB1 1- $650 SINGLE EDGE BLADES MADE IN USA FIRST OUAUTY NO9IGOPACK NoSEB102450 HEAVY DUTY NO 12 FIRST QUALITY 100 PACK Z PLIERS MAKES PERFECT Z BENDS WITH SQUEEZE No ZPL $1650 CUlTING MATS HEALS ITSELF AFTER EACH CUT AND SURFACE STAYS SMOOTH NON-GLARE GREEN FINISH CUT ON BOTH SIDES CM8 9 x 12 $1000 CM12 12 xiS 1500 HELPING HAND FIRST QUALITY THREE ARMS 2 ARMS WITh ALLIGATOR CLIPS 1 ARM WITh 2X GLASS 2 1/2 MAGNIFIER HH1 -$700 NORTH WESTERN CHOP SAW MAKSPRFECT MITRE CUTS 30 45 80 IN WOOD OR PLASliC USES SINGLE EDGE BLADE ADJ STOP NCS -$1450 T-UAH SANUH ALUMINUM MADE IN USA Til 11 LONG $230 T22 22 LONG $350 SANDPAPER RUFFTUFF ADHESIVE BACK $105 EA ISPECIFYFINEIRSPI MEDIUM IRsMI DR COARSE IRECII LONG DRILLSSET n ELECTRONIC CALIPER FIRST QUALITY HIGH SPEED STEEL1/16 i/a1ST INDUSTRIAL OUAUTY 12 LONG18 LONG5/32 LG1 1/16 $450 LG6 3/16 $15003/11/4READS IN INCHES AND METRIC LG2 1/8 450 LG7 7/32 1500 12 LONG 0-6- 0-155MM MOST POPULAR LG3 5/32450LOB 1/41500 LG9 $2100 -$5500 DS163-No ItoBO EOpcsSIB5C LG4 3/16450 DIAL CALIPER p5184 NoSI 802Opo- 12 SC LOS 1/4550. RDERINGl ___________________I1ST INDUSTRIAL QUAUTY P RD ADD $3OOio B 100 SINGLE REVOLUTION EASTERN TOOL&SUPPLYCO CODADD$750 o IN 149 GRAND STREET NEW YORK NY 10013 ORDERS 212925lG06I SAliN CHROME FINISH WRITE FOR CATALOG $300 OR FREE WITH ORDER OFFICE 212226374OI TH FITED CASE FAX 212-925-1010DC6 -$2100 Thanks Neal Chancellor Chairman Valkaria Airport making us feel very welcome Also Indian River Kontrol Club did great job putting race Contest Director Tom Bogut crew put lot hard work hours make race success Boy missed missed good 1994 race will beheld Dallas Texas start getting ready See ya IBaxter Continued page 42 model KISS decades-old argument about use effectiveness desirability flaps Flap travel up lOl5o can have positive effect maneuverability model particularly airfoil very efficient Speaking purely aerodynamic standpoint flap travel beyond 150 rapidly builds up drag offers little no increase lift wingtips have aerodynamic advantage over standard shapes As airplane flies low-pressure area side wing producing lift air opposite side attempts flow low pressure side especially tips produces flow air toward tips source wingtip vortices tips raked toward trailing edge flow around wingtips reduced causing increase effective wing area lift same effect produced winglets current full-size designs since models dont always fly right side up winglets would effective part time landing gear design another compromise simple standard thmugh-the fuselage gear lighter doesnt look good does offer ease removal case damage desire simply fly landing gear hardwood gear mount KISS stiffens center section wingKISS also uses substantial engine offset required lighter slower designs As model size weight increases centrifugal REGAIN CONTROL 37] Losing Control Cafl nightmare wrong response given Command Cafl take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half Century Combined experience modeling radio repair So avoid inflated repair Costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Futaba ______ ne jAIRThWfICS 5524 N Palafox Pensacola FL 32503 F repair information 904 434-0909 1-800-9627802 Toll Free Order Line lOrders Only PleaSell 68 Model Aviation * nih Am Grunen A-8813 St Lan AustrialE Tel-i-Fax 0043/ / 2422 Tel 0043 / 3585 / 2486 ~T lli No Matter put markings models now. DRY-SET better adhealon DRY-SET Markings stay put special adhesive sets low heat applied leaving marking permanently attached thickness measured microns thinnest markings available Only actual color transfered model no discernible edge Better paint iron coverings COlOL DRY-SET scale markings Federal Standard 595a colors certified independent laboratory DRY-SETs special formulations wont change color put model affordable DRY-SE transfers cost no water transfer pressure sensitive decals Over 300 different styles avajable See local &aler application No water mess stick want Simply position marking rub lightly andiron Low heat activate adhesive Easily applied solid open structures outline As simple may seem manufacturers dont get right DRY-SET scale markings meet applicable mil specs and/or standards fuelproof DRY-SETs proprietary chemistry stands up anything can throw Resists gasoline glow fuels up 50% nitro can use kind clear finishing system 7029 Sanger Avenue Woodway TX 817 741-0379 FAX817 741-0335 0 High & Dry REDI-RAC Transmitter Stand Holds transmitter start-up Protects radio dirt moisture Choice red white blue day-gb orange hot pink One-piece unit quickly snaps place unsnaps carry flat Great item raffles prizes gifts $1250 plus $150 S&H Cash Check MO Dealer Inquiries Invited Massachusetts orders add 5% MA sales taxClub Discounts Available Made USAPatent Pending JDM Products 543 Bedford Street Concord MA 01742 Tel 508 369-9212 force can replace offset amount rudder offset minimal because dont want model excessively yawed arc flying circle engine offset will hold model end lines rudder will control heading model small amount rudder offset nice engine has quit Wingtip weight should applied small doses spanwise center gravity model should just outside fuselage about 3A outside centerline fuselage wingtip weight effective during takeoff counteracting engine torque model released determine whether have right amount weight watch model pulling out loop wingover determine whether either wingtip drops outboard wingtip drops too much weight vice versa ounce usually enough model CONSTRUCTION First make yourself kit Cut out parts bend gear wires can get assembly mode Once start gluing beast goes together fast landing gear optional fly exclusively grass fields leave gear off Its unnecessary weight will tend nose airplane takeoffs landings choose install gear glue landing block leading edge stick ribs slots leading trailing edges Hold assembly together rubber bands make sure twists other misalignments removed before ribs glued Set wing up can stand about 10 feet behind look trailing leading edge Sec two edges aligned Once wing perfeefly straight glue ribs leading trailing edges Glue bellerank floor install control system KISS uses two-inch Perfect bellerank Carl Goldberg nylon control horn Engineering note Bellerank location particularly critical criteria being leadouts should pull straight out wing model its normal flight yaw angle prevent binding wear leadout location wingtip critical measurement leadouts too far forward model will tend slack lines too Continued page 78 70 Model Aviation AGE INSTRUCTION MANUAL ENLARGABLE PLANS & FULL SIZED PART PATTERNS TO BUILD 4 CHANNEL 05 ELECTRIC MOTOR POWERED RC DUCT FAN MIG 15 MODEL 4 SIZES OF FREE FLIGHT MIG 15 DUCT FAN MODELS & 1 RUBBER POWERED FREE FLIGHT MOD EL Retail price $2400 Shipping handling fee $400 Dealer inquires invited Ferrell Papic 300 W Lincoln #82 Orange Ca 92665 Catalog $200 prn . rn-N-u-u EEE UN UE1I EEUWm MUM U U U mu U SIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE E * 1* * 1* $625 $795 $895 B S $ 1295 $1495 $1695 $1395 $1595 I I U U U U UEEEEEEEEEEEEUEE m m m m m m m ASTE#J SOUW MUFFLERS an4 PIPES Alloy Steel Lightweight Fits 26 Modelso 58 4-Stroke lielicopter TESTED 88DB AT 3 METERS Clajence . RCM Engine Clinic MUFFLER THAT THINKS ITS PIPE Don Lowe. ident AMA STILL THE MOST EFFECEIVE MUFFLER HowaniCrispin. AMA Sound Committee U U U U P U U U U p I p I I I S S S r Call 203 877-1670 send 758 stamped #10 envelope & $3 credited 1st order DAVIS MODEL PRODUCTS Dealer Inquiries InvitedP0 Box 141 Dept M Milford CT 06460 Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels Special Detergents Promote clean burning prevent residue buildup Rust Inhibitors Protect engines corrosion After run oil needed engines Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer Satisfaction Guaranteed 00h Nitromethane 5% Nitromethane$325 10% Nitromethane$395 15% Nitromethane$395 25% Nitromethane$495 35% Nitromethane$595 SIG CHAMPION 2-STROKE FUEL PINTQUARTGALLON $995 $1295 $1495 $1695 $2295 $2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 15% Nitromethane$1625 SIG ALL-CASTOR FUEL 5% Nitromethane 20% CASTOR 10% Nitromethane 20% CASTOR 15% Nitromethane 20% CASTOR 5% Nitromethane 25% CASTOR 10% Nitromethane 25% CASTOR THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels excep tion All-Castor Fuels contain 5050 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself FREE SHIPPING ON ORDERS OVER $1500 BUT ALL ORDERS ARE SUBJECT TO $6OOIPkg UPS HAZARDOuS MATERIAL SURCHARGEPces subiect change notice Toll Fr. Order 1400-247-5008 Modelers NotlIn 1800-524-7805 Latest Catalog $300 SIG MANUFACTURING CO INC .Montezuma IA 50171 KiSSIBaxter Continued page 70 far back model will pull arm off level flight go slack maneuvers reason lot Stunt models now use adjustable leadouts dont get nght first time get try again easily Add upper lower planking wing tips Hinge stabilizer elevator using favorite method used nylon hinges commercial products acceptable old-fashioned cloth hinges shown plans Slide wing through fuselage glue assuring properly aligned Note fuselage mounted slightly right wing centerline allowing slightly wing area left inboard side model Since inboard wing flies slowly outboard wing area required equalize lift Install align stabilizer parallel wing Attach control horn pushrod adjust elevator travel about 3O up down wing fillets added next As mentioned earlier items styling exercises add significant strength Install maple engine mount beams plywood doublers Glue mdder note minimal offset Cover wing favorite material prototype covered gray MonoKoteone two iron-on covering materials other Micafllm resistant diesel fuel choose use glow engine choices numerous would recommend Micafllm novice pilot because high strength material Paint remainder model fuelproof paint favorite colors Install landing gear using screws washers hold landing gear wire hardwood mounts slot plans show use landing gear plates look photos will reveal screws washers used prototype arrangement works well Pick poison just remember KISS Position engine get center gravity CG want located within range shown plan farther forward CG less sensitive model Continued page 86 RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write call information RC Fight Training 704 3BB96B 78 Model Aviation U U Mbi HORNET 0747 I2anigaed byyI Lee JStaaRel.A IOI tIP tiplne Great performer giving hours low cost fun flying Although Cornet designed aroued Coe 074 Queen Bee 09 15 engines may used mr speed hot aerobatics plans parts supplied accosesodate option design very versatile various configurations o Durable Lee-weight model o Rachino-out AAA balsa * Built-op sdogs aed tail o Built-up fuselage Wheel pants parts o 141 ailerons Easy access covers Steerable tail wheel Full-sine illustrated plans instructions b c Private Be & servo mtg rails Special fuel tash mount Forecd shook-absorbing landing tail gear Symnetrical airfoil Bardeere package Engine ntg bolts Du-Bro 2-ne funi tank DoBin wheels On-Bro hinges Du-Bro control linkages DuBro control bonn Itasgel aileron links Plus misc hardusre Comprehensive handbook reveals save time frustration money getting yourwings Plus other things really need know $1275 ppd Wing Span 277 Wing Area 297 ngin Wing Loading 102-121 oapar uqft Weight 21-25 us $4995sic eguipnent Length 2h5 ADD $6 S&BRadio micro 4-channel 1034 River Bend Dr12 atd Hartford WI 53027 Winconnin Eesidcntn Add 1% Tan KiSSIBaxter Continued page 78 will Square corners tend suffer bit forward CG locations beginner forward location recommended engine can moved back pilot gains experience Limit model engines weigh no five ounces Most 09s will fall weight range some 15s such old Fox 15X will quite appropriate Anything heavier CC will end up too far forward good control response total model weight will increase unacceptable amount model weighed 16 ounces could have built much lighter careful wood selection prototype powered 33-ounce IVIVVS 15cc 09 diesel performed adequately MVVS starts tunes easily has ample power model engine available Carlson Engine Imports 814 East Marconi Avenue Phoenix Arizona 85022 price less $40 writing Master Airscrew 7 x 6 prop choice fuel contained 15 ounce approx Perfect tank held rubber bands hooked wires passing through fuselage other tank mounting techniques use pick own economy diesel engine flight time exceeds five minutes small tank KISS first flight performed author model went through AMA stunt maneuvers room spare 35-foot lines too-short lines lines available less 60 feet long second flight handled novice flier impressed way model flew after tested out strength plane hand-launch prang third flight flown man flown anything twenty years also impressed models stability problem dizziness did complete flight KISS has no nasty flight characteristics whether novice experienced pilot want fun simple flying machine can built quickly will enjoy rders Call 1-800-645-KITS lnlsrmatlon saIl 609448-1122 POSes 771 QENERIX East WIndsor NJ BSB2B Tomorrows Kits Affordable Prices Write Free Catalog s Add $500 COD Custom Kit Cutters s Plans Anyone Elses 86 Model Aviation sfaction Guaranteed M6I6 5H710 Pkg 24 $2e5 EA~ HINEZ THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier Install other hinge No gouging picking messy epoxies Simply Cut single knife slot hinge slide hinges place apply few drops favorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 7de Se4t C9e4 f4ia eaa MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 $3gg5 kil Span 48 Eng Radio 4 ucn,o no an, 0 Over 40 ioops per win unlimited rolls LOW WING PREDATOR $3gg5 &H 48 25 45 Fully acorobatic fun fly t competition Will roil & turn .a a