Letters to the Editor

SEASON. . NEW MODEL KEEP FLYING THAT MODEL FOR YEARS BOTOAS AUTO PILOT real Auto Pilot Designed back-up unit levels skill Inflight ON/OFF Switching Simple Plug Installation Adjustable Zero & Gains Compatible RC Systems Sensors Internal & Unaffected External Conditions Consistent Operation Day Night Overcast Sunny Endorsed Used Top Gun TOC Giant Scale Race Pilots & Experimental Full-Size also BTA Automatic Piloting Systems 2422 Richmond Way Costa Mesa CA 92626 714-979-8948 Phone/Fax Send SASE Information Let ters tc Ecfitcir am member Seattle Area Soaring Society has membership nearly 125 As look around hall during monthly meetings am dismayedthe average age would appear say 45 50 teenager kid flying fields around Tulsa OK populated teenagers college kids Scarcely gray hair seen Thats picture appeals discounting boys theme Start em young record young man launching Electric grandson Kyle Hinze father son Karl Hinze flies RC gas both live Renton Washington TG Hinze Mountlake Terrace Washington Recently family attended 1995 Rhinebeck WVI Jamboree have attending event last 19 years year best far events well organized flightlines kept moving unfortunate part some ralny weather early Saturday very windy Sunday Jamboree special year because three generations family flew first year eleven-year-old son Danny joined father Harvey competition flew giant Taube aYS 120 third flight midair lost third wing able land plane unfortunately other pilot lucky other fliers offered different parts able get plane repaired back flightline again help support other fliers outstandingthis what makes hobby great Thanks son able have several flights ended greater number points father grandfather entire family great time look forward next years Jamboree Richard Landis New York City New York Triolane thought would interested seeing Ed Wooleys masterpiece Although guns arent yet Eds third fourth triplane 72 flying since 12 years old Lots changes Ed belongs Eureka R/C Club Eureka California Rose Woolley McKinleyville California Senior Twin thought folks Model Aviation Continued page 141 6 Model Aviation W FLYING Fathers Sons much aircraft worth Protect investment FLIGHT ALARM $2995 s/h incid 95db@3 ftanu pulsing alarmwith order 0-TRONICS Inc PO Box 192 Ramsey NJ 07446 201-818-4289 Letters Continued paqe 6 might like see what did Sig Senior kit call Sig Senior Twin extended nose added ailerons took dihedral out wing built nacelles wing accommodate two 05 EP 40s Wow talk about powerful Sig Senior nose will rotate almost immediately upon punching throttles grass runway alrcraft airborne about 15 20 feet Believe other being somewhat heavier original Sig Senior handles flies almost identical first test flights started feeling comfortable airplane passed radio around other people club let get twin-engine ticket punched What am amazed plane docile either engine out sometimes have pull aircraft straight up climb figure engine has quit Normally after engine quits have enough fuel remaining go series loops barrel rollseven dead engine have found after engine quits need retrim airplane Although plane capable taking off single-engine grass runway due high-power low-speed yaw problems will paved runway built airplane retirement gift myself after 23 years flying helicopters United States Coast Guard present date have eight radio-controlled airplanes five Sigs have taught 23 people fly radio control aircraft am thoroughly convinced anyone can leam ride bicycle responsible enough can learn fly RC using Sig Senior first trainer read article several years ago Model Aviation twin engine RCs stated twin engine RCs last through first ten flights Sig Senior Twin built spring summer 1991 has compiled over two hundred flights has put down soybeans once no damage because misfigured wind SAVE YOUR FIELD SNUF-LER muffler isa low cost easy install lightweight sound reducing v muffler no performance penalty enswer AMA muffler rule euggestions end saving flying fields Meets AMA muffler rule suggestions SNUF-FLERTM 3 10 decibele quieter stock muffler MUFFLER No power loss possible 300-500 RPM Increase panted Improves engine Idle s better fuel economy Easily attached 25108 stock mufflers Heat end corrosion reaistant Black E coat finish No special adapters required WeIghs 35 028 Fits ASP BRAT ENVA FOX HP IRVINE K & B 05 MAX ROYAL VS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 25 STAMP acceptedAdd$2SOtorUPS$2OOtorCOD andt%salestaoFOR ADDITIONAL INFO Calf residentAND JTEC CATALOG wwt longer expenence awesome thrill paint/n sky St/PER 00R1 r~1 AVIATION SMOKE OIL I5OPERORI AVIATION SMO4E OIL slOe preeriole seokc Oil modelers WIlyFOUR CONVENIENT UNITS S Soperior jeteose smoke S EcllanlpesieleroeIt 110011.. $1200 feellanoc IOuPERmRI Iran corned Os epalalion tIle beet free, eta beat Ask Dave PedAlCase IA 1001 1usd Dave von Linevele sIeve OlIroirer Ask jodustry reanaloolorers like AMP TMEPail e4eII$III _________________________________________Oraetlbbealf$21000 ITS TIME YOU TRIED SOME Order Toll-Free Calling 800 545-8777 MOW AVIATION ASSOCIATES INC 9707 Soutfa 76th Avenue Srielgevlew IL 60465 - _____ 708 590-9000 Fax 706 5091040 a eI UBAIIY uses versatility power PC set up battery test print hardcopy results UBAIIf designed specifically RC Ampflyers take batteries seriously accept nothing less best It analyzes rechargeable batteries identities weak cells before tail records prinls results including charge/discharge curve have complete permanent record battery test best fully automatic Just connect PCs serial port tell type battery youre testing does UBAIII" comes complete software connectors serial cable two year warranty 30-day money-back guarantee List price $19995 Intro price $17995 Add $10 shipping $22 airmail overseas prices US funds Walt us http/Aventeapda&c*/-VanCon Requnee IBM compatbie PC wit seilal port Tests MOd NiMH & galceBsAead add cell tot 5V June 1996 141 June dT4W SUPER FAST LOW ELI VERY PRICESLWAYS MINIATURE BEARINGS FOR HOBBY & INDUSTRY For3 Complete Product Lines Have R/C Cars Promium UlbaSeal frictionless staled maintenance-tree beartngs Largest TrucksEconoPewer bearings engineered Strength & durabilityInventory -Speed high-heat engine bearings _____ BoatsStandard US Metric sizesand PlanesAsk us about MIDAS TOUCH Other Fine ProductsWidest &Send $300 CatalogsSelection Dealer Programs Available TOCK Helicopters BOCA BEARING Co 7t4t W Palmetto Park Rd Suite 23t4 Ml Enca Rafos FL 33433 Tel 4t7-59t-ttt4 4t7995-O115 A CANADA TOLL FREE 800-332-3256 DA e USA CaC. Back earthquake 94. mail-order company has provided quality vinyl lettering models since 1987 Call write VINYLWRITE CUSTOM LETTERING free intopack & sample Phone hrs 10 AM 4 PM Monday thru Thursday Pacific time 818-363-7131 16043 Tulsa St Granada Hills CA 91344 cv45. Y 4338 AustIn Blvd Island Park NY 11558 516-431-4127 516-889-2682 FEATURING UTEWEIGHT EUT CONDUIT TUBING & QUICK LOCK SUP ON FImNOS NO TOOLS BREAKDOWN MODEL Fits Cars& Can B Shipped UPS Add Amounts Below Unit Price ARP INCLUDS36 314 & $45 PTARP INCLUDED 3/4-6003/4-60034-650314-4002/4-6 003/4 6503/4 750 i-aoov-aooP-90Oi-sooi-aooP900P1000 P4314-600 P-900 P40 314 650 19OO P5F 3/4-750 1-looo FOOT PAD F03 3/4S0O -800 FOL 3/4 600 P600 BUNGlE BALL B4 WE MAMJFACTURE & STOOC SEVER AL OTHER Si5TEMS & HAVE FLLL ISlE OF ACCESEORiES ALL WITH THE VENOOR h USC CALL FAX OR MAL Us TO PLACE YOUR ORDER OR TO RECEIVE YOUR FREE CATALOG deadstick approach summer will its fifth year luck hope td fly model years congratulate folks Sig fine models design currently beginning work Cessna Skymaster push-pull OS 25s using Sig Senorita kit basic aircraft Jerry Leonard Hertford North Carolina Worth brother John Bartlett both received thank card box rubber bands Christmas eleven year-old boy spent time teaching fly trainer cord last summer makes time spent worthwhile Spend some time youngit worth minute Vernon Tank Bartlett Norwood New York Sandy Peck just own view modeling what does young people involved hobby world model aeronautics helps open realm possibilities Ideas can explored might otherwise pursued What once half-formed vision can go through process planning laying out physical relationships choosing materials building rebuilding flying making modifications improvements skills seeing entire process can benefit person later life Riverside Nats first year production Busy People Kits girl about nine years old bought profile kit knew nothing about model planes father very new modeler built table gym day next 142 Model Aviation rget units remember! NOT JUST CHARGERS- COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMS Ca Ra Products 21 Urban Dr P0 Box 436 Palnesyllle OH 44077 216-639-6274 Hrs 912 27 Central Time SASE tar intormation ers inquiries invited E DAY POP UP CANOPIES $299 lOxiD LIGHTWEIGHT lOxlO HEAVYWEIGHT Sets Up Less 30 Seconds No Tools RequIred Other Sizes 8x8 10x15 10x20 SYNERI1E s Cliloce colors n wing ntl ri day consistently flew 60second flights won contest next project starts will have higher success rate because knows can make things work have floating visions sometimes its nice let just hover enjoyed moment other times would exciting develop see materialize fact background modeling can give tools needed accomplish modeler today may become engineer designer artist tomorrow As proof offer small unscientific poll own have model meets hobby industry conventions ask modelers attendance what living engineer designer entrepreneur some most-heard responses people capable turning visions reality Im sure also have common closet garage room full unfinished projects What matters have willingness try ideas see some through conclusion Dave Thornburgs book Speak ModelAirplane refers modelers yesterday beginning hobby because great public interest flight Charles Lindbergh just completed flight over Atlantic Today heroes nation actors doing simulations great acts computer-aided graphics publicity firm guide Its hopeless may make sound still wish form develop idea physical functioning item strive sense accomplishment little nephew has around model planes very small way life Although has shown interest made some mistakes guiding him hobby first plane two Stringless Wonders ROGs Continued page 189 SWOOSHIEtrn BAILS OUT Release scale-like Parochutistl real crowd pleaser lot funi Brilliant colorsi Fl orange AFl pink yellow red white plus $325 5/H blue goidl Complete figure & release system $1895 eo Modei Mviation peciai Hed White Red & Gold Combol $1895 325 S/HI ORDER TODAY TO HOBBY HUT MANUFACTURING 1020 W list St N SuIte #77 Wichita KS 67203-2107 Dept MAV send SASE ci brochure [join Giants Help PromoteI INon-Competitive HIG __ Flying Large RIC Air Craft i ImAItt~I SSSOCtC II IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPUCATION U NEW U RENEWAL Date19I YeaIiy Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIA11JRE AIRCRAFT ASSOCIATION INC I Name _________________ Phone ___________ ____________________________________________________________[v32][b1336286214500]]______________________________ Street ________________________________________ ________________________________________ P0 Box/Route Box _________________ _______________________State/Province ________________Zip IMAAAMA Number________ MAAC ________Chapter_______ L m MAIL TO IMAA Secretary DON E VINEYARD S HilIdole Rood a KS 67401 June1996 143 LOOK FOR YOUR LOCAL NRHSA HOBBY SHOP HOBBY SIORES AS8OOA11Ot INC ON SITE EXPERT ADVICE AND INFORMATION QUALITY MODELING PRODUCTS WERE THERE WHEN YOU NEED US WHERE ELSE CAN YOU GET THAT GLOW PLUG ON SATURDAY MORNING AMA FAX APPLICATIONS AVAILABLE LOCAL CLUB NEWS AND HAPPENINGS PART OF NATIONWIDE ORGANIZATION WORKING FOR THE BETTERMENT OF THE HOBBY INDUSTRY HAVE YOU EVER RACED ON MAIL ORDER TRACK Letters Continued page 143 built flew together flew well enthusiasm high started Nite 16 found building process too long hold interest couple years ago year discovered little Russian CO2 plane foam went together fast flew Yes quickly bent new engine installed served its purpose enthusiasm now high again Perhaps its time start Nite 16 again time attention span biT longer just some things feel can gained exposure model airplanes chance create always opportunity learn Sandy Peck Peck-Polymers Santee Calfornia Superstitious think highly commended bringing superstition out closet onto flying field belongs [The Haught Corner March 1996] Superstition like pi Carnot cycle Pythagorean theorem has survived onslaughts because experience has proven valid tool mans neverending contest natural cussedness reality Perhaps will helpful cause committedly superstitious explain natural function human mind recognize things generally regarded inanimate mute trying tell something own experience filled hundreds examples proof postulate valuable superstition minor thing goes repeatedly wrong new experimental model dont fight sensible Give up day pop top check out later Recently taxi-testing new plane tail wheel gave sorts problems wouldnt track properly bent its steering linkage rolled tire off its hub etc etc Finally instead sensibly calling day fixed lined model up runway opened throttle immediately blew up engine Obviously tail wheel trying tell knock off look things over Im superstitious about color example plane Im building looks like its going come out little overweight cover wings white mean seagulls have white wings anybody knows white lightest color tips propellers should painted yellow white orangebut never red Red draws blood Winnipesaukee RCers fly spot just off runway practically everybody has lost control snap1 B C e Key $1125D 0E 0I Circle numbers plans wish order best handling please include requests payment some other service plans order order phone call I 317 287-1256 order fax complete send form fax number 317I 289-4248I 790 791792 793 794 795 796 797 798 799 Domestic customers please include $300 shippingand handling Add $300 Ihave plans mailed tube Please No COD OrdersI Make check money order payable US funds drawn US bank Model Aviation AMA 5151 East Memorial Dr Muncie IN 47302 Please allow II ENCLOSED $ ___________ k Money Order erCardNisaI I CARDNOEXPDATE ____ NAME __________________________ AMANo___________ STREET II CITY _______________________ STATE ____ ZIPI Customers outside US add $300 additional shipping handling per planI L v32][b845306803426260]] June 1996 189 Special Group Rate Through July 11996 plans 810-812 available special group rate three plans $15 plus postage Individual plans may ordered regular prices 810Indicator$750 1/2A RC trainer uses molded foam wing spans 45 inches 811XB-70$750 All-sheet CL trainer/sport model reed-valve 049s spans 28inches 812Potato Man$750 Sturdy FE trainer spans 36 inches No136 Fleeste Stotch SC Saab nodal fo 23-45 0-channel has both slots hopsC No 169 Denopplese SC notojon tatnod oabjn anodal kjtton 1937 19-25C No262 Cneehneeter CL otaoh-ptoot tojna Two siaostd-30 35140 pawnA No302 Miol F16 RC Sarpolan 049 donned fan spad file 2 otrannal Balsa wings toil tssolagostactcno9 No3101930 Fteet Blptene SC SpoaSoalo ton 35-40 paws 4ohannal Spans 56 l /000102 ptan shootsD No 447 1/2A MIss Asnorloot SC Old flea IsA Tosano nodal fan 049 glow 2 ohanaslsC No561 Gee Bee Modet Vt SC Golds Age Sans Spoon 72-in snob 60 paws 3 plan shootsE No702 Helnket NE 191 FP Snob nsadol t924 Gonna wonoplana HiLias Mlni6 gaaod oloatia watar Spons29 inA No714 Mad 5556 SC asetlaondly Spa, lien nelanod slow flight boools law Slow rnanscass 2S3S paws Spans BOle 2 plan sheots.. 2 No 720 Mtesteseeo FF Frank Zains papalat Oll-balsa-OOaOnad wbbopaweed nnodal takes 90w Papala Sc/sacs dana 1941 spas 25 A No 733 1941 Teptoco9 SC qsadetscale design noptaas tho aniqas flying qoalitias falIscale Toylataraft 159inah span 2 plan sheets.. S No 739 Joaaler SC Sailplane has looks padannanas 122inch span inoladas toll annoIntaban teat 2 plan shoots F 957511 BoeIng P462 SC Spatr Scale biplana spans 69 inches weighs IS tO lb 2 sheets E No709 Adbe PF Hand-held catapsit glida dean Andews A No763 MIss Amotisa Class Texaco aosion uses tS diosel powen 0 No766 Penny Tee Dee St 0pawesd SC wodal spans 20 inches No 769 Gipep Moth SC Spa0 Scale biplano spans 00 noOns No 779 Aenodestyl Sooandstey FF nbsa model spans 19/a 00905 60779 Loepln Lese 1955sera SC Spad teodol t9 lwa-stake powanspans 04 inches No791 Aetoese Detender SC Scale 104045 loanstnoks spans 700905 2 shoots 60762 Keserdose SC 6100140 caeatd Hal 40609 spans 50 inches No 793 900669 666 CL Stant St pawet Bob Batan spans 53 inches No744 FusSer Winte/Hanton SC biplane far 65 paws spans 9005952 shoots No795 NontOero LI9Itt FF Ftd Asgantos spans 551/a inchas No 799 Ceesne 190ES Electdc soilpiono fan 05 paws spans 62060 No 790 Vlodloetor SC spoytaine din Heoght TO 09 paws spans 60506, 90791 Niblite Seoondsoning Class 9FF Nooo Poll spans 72 inchos 60792 Alesenslo BoBet SC Scale Philip K ant spans 6212 inches 2 shea No793 Delileb Twa 0200 paws SC flyiag boat 30106 span No794 Peslo CL Slant Tan Glass wet sidonaanted engina spans 09 inches No765 Sloe Ridge Contet SC spaa nodal Old-Tin, eppeanenca spans 62 inches NO766 ShIllelegh SC Clab Sacs asosloaw 9004 canstnaction spans St/a inches No797 OpSo Delte PP Sabbor Scale aewion Wombs howebailt spans 27 indroo No799 PT 055Cc ptiwory toino las 0-42 paws spans 96 ioohoo 2 sheets No790 RC Seogali Unosaal wodol Ia 20-351onsbnkoo tftenos2drnn No990 Hero 40 Toichccw RC pasbnr spoas 55/a aches No901009013 /aATnsaccpFs sd9/an . No902 DES Coosenatico canatat byPdnte & Hantan spans 54 nchoo No902 Hot Ceoorp CL Scab ts Moo 22 Fwnk Boath spate 20Vc nchoo No 964 Moheets PInto SC Scala Mikalooka lot Electric twostnakes spans 69 inchasi 90905 Tesee Zephp PP fat /aA/FtJ Iseacks spans 0915 inches 90906 Tn P1151 SC saliptane Chnstonssn can So leanchad thaw ways span 77 inches No607 ARCSD Deteode Cites SC Scab Oaatian Mathows spans 70 echos No909 Lanot Sneek BIpe Span biplone tat tS.25 two-stnkes spans 36 inchas 69 C. Bee 92 CL Palile Scalo/Stont 45-00 fwa-stnkes syans 06 inane Full-size plan list available Complete listing plans previously published magazine through no 789 may obtained free charge writing enclose 55 stamped pre-addressed #10 businesssize letter envelope ModelAviation 5151 E Memorial Dr Muncie IN 47302 S. Large tube mode] $995 Gds fingers away prop OMounts anywhere en model Amu scale models eliminates need hole cowl needle valve Easy dreap fix broken needle valves Large tube mode] $1095 CM engine running perfectly countsrn air Never again blow flight becauae bad mixture setting O Also in-flight engine shutoff smoke valve Top levar used satup valve ean placed nodes cowl orin flosalage Extra savo & sdj dianne] required Oe@O@eOeeO Both valves guarenteed require no nigme modifications Just open needle valve leave alone needle valve off renove want Knuote & in-flight valves work glow-plug eagmes can use medium 3/32 id die] tubing Large tube 1/5 id mode]s vny large & some recing glow eagines Contains tank fuel line leaks dont have fuel-proof tank area Makes tank installation easier Leaks trapped plastic bag sealed 13/16 hole firewall rebber compression riu& Keeps feel oil firewall out fuselage use glow fuel Patent pending LeakCatcher plus 13116 drill bit fordrilliugthe firewall hole requked LeakCatcher $395 lnsta-curetm thin CA Inata-cure filling CA oz $395 2 oz S625 Odorless Super-Golds thin CA Super-Gold filling CA oz $795 2 oz $1395 hata-Sef CA Accelerator 2 oz $395 order call 1-800 765-0474 Visa & MC accepted Ask about club discounts send cheek MO Atlantic R/C Products Inc P0 Box 323007 Springfield VA 22132 Free shIppIng orders over $20 Add $350 shipping handling ordws tuidir $20 VA residents add 45% sales tax Deales inquiries invited rolled out shaky takeoff hung up tree crashedfor some undefinable reason Repeated radio tests have failed confirm fact know true An invisible cloud bad vibes sits area superstition gets results want use Roy Clough Jr Pittsfield New Hampshire Suggested Reading would like see some articles magazine covering following topics Engines care particular much [adjust] engine altitude compensate power loss due altitude proper propeller selection live Denver altitude 5000 ft sometimes fly Leadville altitude 10000 ft Propellers select prop want power speed both Radios care check hot cold weather operation hot cold w freezing below 00F three topics have never seen mentioned book magazine Most emphasis building flying contests/fly ins much engines props & radio systems heart flying Phil Kios Lakewood Colorado October 1995 issue article Don Brooks about measuring prop thrust Electric models high elevations aflaure MA will have afollowup Don prop pitch Although articles about Electrics wet power fliers can get some useful insights articles Junior FF Team 1996 USA Junior Free Flight Team follows FlA David Ellis Guilford CT Allen Porter Fresno CA FiB Dorothy Fee Oceanside CA Team Manager George Batiuk San Luis Obispo CA team will compete summer Junior World Championships held near Krakow Poland 17-23 August 1996 team members have identified dedicated capable free fighters deserve support Contributors should forward funds AMA specific notation checks accompanying paperwork identifying funds support Junior Team Blame Miller Junior Team Administrator Orlando Florida Airfoil Information publish plans written material model aircraft please include somewhere airfoil used possible also include designers reasons using airfoil us have computer programs capable drawing airfoils know spars Part fun model building trying different things trying different airfoils Good designers could help passed some experience various airfoils Bill Winters PDQ March issue shows engine used prop diameter pitch airfoil looks like NACA 0015 first glance trial-and-error approach using fullsize plans seems solution Henry Ham Green Valley Arizona BILL EFFINGER SAYSICESSNA 170 I/fl ScaleI/fl ScaleNEW 1/3 00010 144 o9r9 sporr---LAKE RENEGADE---LAIRD SUPER-SOLUTION new Mann Paffern Set 199600010009C39-9-AMPHIBIANFor 060 199 dC eogoeo 3 4 greotscoleoirplooerTheforrroosCeoooo l2900dJiroroo1/Ssoole 609 0900a--92wrrg 0900 1035 00CORd 31/2 Pr 00/0 Rd 99 3/8 OooIItles Loird toper Solotioo 5090 ore I/S soole 1/5Rd6&691095 dID eoploeo- o6rrgipoO sq wing oreb ocole 6 Oeoooriot toe popolor s6e coroblolog boOrAERONCA C_____________________C PC Ooepleoo 060942 214 ooeroI loogro 90114109 coOt chepoer eogloeo oodolrOOSt 91001 sOole1/300$2409 pertormonoeRd39-IWW~60109 georRC99-14$1900 MIGHTY HOG1/600SS OG 94 1/2 oAeg 0900 1975qieoriOgoroo o 26RC7$1499HAWKER SUPER FURYCESSNA 120I140 eegioeo RCT-2$2490PIPER CUB J-3 P100009000 Foy 004 exportEither Model Ai150-HOGi4 94o6090000 1/300010 14100i09sp00 -2 92999oersloos 6010 12 dID e0910e0 4Ch000100 009r0059dt1999930900 otr 0010 40900iowiogoreo 151039 COUPE 90A5S MINI-HOG 47 1 /2 wIng 0900 0010 01090000d39-4~- WACO SRE 962to l9eogeexOCt-2$6991/50060dIDeOglOes PER BUCCANEER 85. PIPER ill-PACERdo sc O lbs w/oRC58 001090900 291079 009l001/3 00010 16 0009 0900531/2 001090p00 09990010 RCFF-1 1799Rd39-2 999wrogored orollleogth SUPEs 5UCCANEE566 600 009 09001/900010 700 wing 0p00 -3 95RC99-19$2499 lOto25eogioesRdFF-4 99FAIRCHILD 24 9t0 49 dID 0091005900001090900 SEALION1021/60000 0 900 Rd$1299 9d69-6 99 4S ac 1900 001095900 191o2600910001/2000 49 2 05 9 p RCFF-19 99Rd3S-6 4 9 D eogloes 4Ch SEACAT656&oxiOgOpOO l9to29GRUMMAN WIDGEON eogloesRdFf-13$19991/600 089 0 990 0 sq 0 0009 orOO SEA KITTENil OP orO9 0900 049 tO 99009100019490000 900 . 09 georotrotS PCFF-16$999Rd60-8 oc 2991995 190 Model Aviation * Alantic K/C mixture valves safety convenience Get freedom safely control engines mixture needle anywhere model flight using new pate nted principle jots PLEASE ADO $4tS sisipping Imnilins tubal Said Fe Pine isIs b1scIua Stse W E TECHNICAL SERVICES 3206 E Post Woods Drive Atlanta GA 30339

SEASON. . NEW MODEL KEEP FLYING THAT MODEL FOR YEARS BOTOAS AUTO PILOT real Auto Pilot Designed back-up unit levels skill Inflight ON/OFF Switching Simple Plug Installation Adjustable Zero & Gains Compatible RC Systems Sensors Internal & Unaffected External Conditions Consistent Operation Day Night Overcast Sunny Endorsed Used Top Gun TOC Giant Scale Race Pilots & Experimental Full-Size also BTA Automatic Piloting Systems 2422 Richmond Way Costa Mesa CA 92626 714-979-8948 Phone/Fax Send SASE Information Let ters tc Ecfitcir am member Seattle Area Soaring Society has membership nearly 125 As look around hall during monthly meetings am dismayedthe average age would appear say 45 50 teenager kid flying fields around Tulsa OK populated teenagers college kids Scarcely gray hair seen Thats picture appeals discounting boys theme Start em young record young man launching Electric grandson Kyle Hinze father son Karl Hinze flies RC gas both live Renton Washington TG Hinze Mountlake Terrace Washington Recently family attended 1995 Rhinebeck WVI Jamboree have attending event last 19 years year best far events well organized flightlines kept moving unfortunate part some ralny weather early Saturday very windy Sunday Jamboree special year because three generations family flew first year eleven-year-old son Danny joined father Harvey competition flew giant Taube aYS 120 third flight midair lost third wing able land plane unfortunately other pilot lucky other fliers offered different parts able get plane repaired back flightline again help support other fliers outstandingthis what makes hobby great Thanks son able have several flights ended greater number points father grandfather entire family great time look forward next years Jamboree Richard Landis New York City New York Triolane thought would interested seeing Ed Wooleys masterpiece Although guns arent yet Eds third fourth triplane 72 flying since 12 years old Lots changes Ed belongs Eureka R/C Club Eureka California Rose Woolley McKinleyville California Senior Twin thought folks Model Aviation Continued page 141 6 Model Aviation W FLYING Fathers Sons much aircraft worth Protect investment FLIGHT ALARM $2995 s/h incid 95db@3 ftanu pulsing alarmwith order 0-TRONICS Inc PO Box 192 Ramsey NJ 07446 201-818-4289 Letters Continued paqe 6 might like see what did Sig Senior kit call Sig Senior Twin extended nose added ailerons took dihedral out wing built nacelles wing accommodate two 05 EP 40s Wow talk about powerful Sig Senior nose will rotate almost immediately upon punching throttles grass runway alrcraft airborne about 15 20 feet Believe other being somewhat heavier original Sig Senior handles flies almost identical first test flights started feeling comfortable airplane passed radio around other people club let get twin-engine ticket punched What am amazed plane docile either engine out sometimes have pull aircraft straight up climb figure engine has quit Normally after engine quits have enough fuel remaining go series loops barrel rollseven dead engine have found after engine quits need retrim airplane Although plane capable taking off single-engine grass runway due high-power low-speed yaw problems will paved runway built airplane retirement gift myself after 23 years flying helicopters United States Coast Guard present date have eight radio-controlled airplanes five Sigs have taught 23 people fly radio control aircraft am thoroughly convinced anyone can leam ride bicycle responsible enough can learn fly RC using Sig Senior first trainer read article several years ago Model Aviation twin engine RCs stated twin engine RCs last through first ten flights Sig Senior Twin built spring summer 1991 has compiled over two hundred flights has put down soybeans once no damage because misfigured wind SAVE YOUR FIELD SNUF-LER muffler isa low cost easy install lightweight sound reducing v muffler no performance penalty enswer AMA muffler rule euggestions end saving flying fields Meets AMA muffler rule suggestions SNUF-FLERTM 3 10 decibele quieter stock muffler MUFFLER No power loss possible 300-500 RPM Increase panted Improves engine Idle s better fuel economy Easily attached 25108 stock mufflers Heat end corrosion reaistant Black E coat finish No special adapters required WeIghs 35 028 Fits ASP BRAT ENVA FOX HP IRVINE K & B 05 MAX ROYAL VS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 25 STAMP acceptedAdd$2SOtorUPS$2OOtorCOD andt%salestaoFOR ADDITIONAL INFO Calf residentAND JTEC CATALOG wwt longer expenence awesome thrill paint/n sky St/PER 00R1 r~1 AVIATION SMOKE OIL I5OPERORI AVIATION SMO4E OIL slOe preeriole seokc Oil modelers WIlyFOUR CONVENIENT UNITS S Soperior jeteose smoke S EcllanlpesieleroeIt 110011.. $1200 feellanoc IOuPERmRI Iran corned Os epalalion tIle beet free, eta beat Ask Dave PedAlCase IA 1001 1usd Dave von Linevele sIeve OlIroirer Ask jodustry reanaloolorers like AMP TMEPail e4eII$III _________________________________________Oraetlbbealf$21000 ITS TIME YOU TRIED SOME Order Toll-Free Calling 800 545-8777 MOW AVIATION ASSOCIATES INC 9707 Soutfa 76th Avenue Srielgevlew IL 60465 - _____ 708 590-9000 Fax 706 5091040 a eI UBAIIY uses versatility power PC set up battery test print hardcopy results UBAIIf designed specifically RC Ampflyers take batteries seriously accept nothing less best It analyzes rechargeable batteries identities weak cells before tail records prinls results including charge/discharge curve have complete permanent record battery test best fully automatic Just connect PCs serial port tell type battery youre testing does UBAIII" comes complete software connectors serial cable two year warranty 30-day money-back guarantee List price $19995 Intro price $17995 Add $10 shipping $22 airmail overseas prices US funds Walt us http/Aventeapda&c*/-VanCon Requnee IBM compatbie PC wit seilal port Tests MOd NiMH & galceBsAead add cell tot 5V June 1996 141 June dT4W SUPER FAST LOW ELI VERY PRICESLWAYS MINIATURE BEARINGS FOR HOBBY & INDUSTRY For3 Complete Product Lines Have R/C Cars Promium UlbaSeal frictionless staled maintenance-tree beartngs Largest TrucksEconoPewer bearings engineered Strength & durabilityInventory -Speed high-heat engine bearings _____ BoatsStandard US Metric sizesand PlanesAsk us about MIDAS TOUCH Other Fine ProductsWidest &Send $300 CatalogsSelection Dealer Programs Available TOCK Helicopters BOCA BEARING Co 7t4t W Palmetto Park Rd Suite 23t4 Ml Enca Rafos FL 33433 Tel 4t7-59t-ttt4 4t7995-O115 A CANADA TOLL FREE 800-332-3256 DA e USA CaC. Back earthquake 94. mail-order company has provided quality vinyl lettering models since 1987 Call write VINYLWRITE CUSTOM LETTERING free intopack & sample Phone hrs 10 AM 4 PM Monday thru Thursday Pacific time 818-363-7131 16043 Tulsa St Granada Hills CA 91344 cv45. 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NOT JUST CHARGERS- COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMS Ca Ra Products 21 Urban Dr P0 Box 436 Palnesyllle OH 44077 216-639-6274 Hrs 912 27 Central Time SASE tar intormation ers inquiries invited E DAY POP UP CANOPIES $299 lOxiD LIGHTWEIGHT lOxlO HEAVYWEIGHT Sets Up Less 30 Seconds No Tools RequIred Other Sizes 8x8 10x15 10x20 SYNERI1E s Cliloce colors n wing ntl ri day consistently flew 60second flights won contest next project starts will have higher success rate because knows can make things work have floating visions sometimes its nice let just hover enjoyed moment other times would exciting develop see materialize fact background modeling can give tools needed accomplish modeler today may become engineer designer artist tomorrow As proof offer small unscientific poll own have model meets hobby industry conventions ask modelers attendance what living engineer designer entrepreneur some most-heard responses people capable turning visions reality Im sure also have common closet garage room full unfinished projects What matters have willingness try ideas see some through conclusion Dave Thornburgs book Speak ModelAirplane refers modelers yesterday beginning hobby because great public interest flight Charles Lindbergh just completed flight over Atlantic Today heroes nation actors doing simulations great acts computer-aided graphics publicity firm guide Its hopeless may make sound still wish form develop idea physical functioning item strive sense accomplishment little nephew has around model planes very small way life Although has shown interest made some mistakes guiding him hobby first plane two Stringless Wonders ROGs Continued page 189 SWOOSHIEtrn BAILS OUT Release scale-like Parochutistl real crowd pleaser lot funi Brilliant colorsi Fl orange AFl pink yellow red white plus $325 5/H blue goidl Complete figure & release system $1895 eo Modei Mviation peciai Hed White Red & Gold Combol $1895 325 S/HI ORDER TODAY TO HOBBY HUT MANUFACTURING 1020 W list St N SuIte #77 Wichita KS 67203-2107 Dept MAV send SASE ci brochure [join Giants Help PromoteI INon-Competitive HIG __ Flying Large RIC Air Craft i ImAItt~I SSSOCtC II IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPUCATION U NEW U RENEWAL Date19I YeaIiy Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIA11JRE AIRCRAFT ASSOCIATION INC I Name _________________ Phone ___________ ____________________________________________________________[v32][b1336286214500]]______________________________ Street ________________________________________ ________________________________________ P0 Box/Route Box _________________ _______________________State/Province ________________Zip IMAAAMA Number________ MAAC ________Chapter_______ L m MAIL TO IMAA Secretary DON E VINEYARD S HilIdole Rood a KS 67401 June1996 143 LOOK FOR YOUR LOCAL NRHSA HOBBY SHOP HOBBY SIORES AS8OOA11Ot INC ON SITE EXPERT ADVICE AND INFORMATION QUALITY MODELING PRODUCTS WERE THERE WHEN YOU NEED US WHERE ELSE CAN YOU GET THAT GLOW PLUG ON SATURDAY MORNING AMA FAX APPLICATIONS AVAILABLE LOCAL CLUB NEWS AND HAPPENINGS PART OF NATIONWIDE ORGANIZATION WORKING FOR THE BETTERMENT OF THE HOBBY INDUSTRY HAVE YOU EVER RACED ON MAIL ORDER TRACK Letters Continued page 143 built flew together flew well enthusiasm high started Nite 16 found building process too long hold interest couple years ago year discovered little Russian CO2 plane foam went together fast flew Yes quickly bent new engine installed served its purpose enthusiasm now high again Perhaps its time start Nite 16 again time attention span biT longer just some things feel can gained exposure model airplanes chance create always opportunity learn Sandy Peck Peck-Polymers Santee Calfornia Superstitious think highly commended bringing superstition out closet onto flying field belongs [The Haught Corner March 1996] Superstition like pi Carnot cycle Pythagorean theorem has survived onslaughts because experience has proven valid tool mans neverending contest natural cussedness reality Perhaps will helpful cause committedly superstitious explain natural function human mind recognize things generally regarded inanimate mute trying tell something own experience filled hundreds examples proof postulate valuable superstition minor thing goes repeatedly wrong new experimental model dont fight sensible Give up day pop top check out later Recently taxi-testing new plane tail wheel gave sorts problems wouldnt track properly bent its steering linkage rolled tire off its hub etc etc Finally instead sensibly calling day fixed lined model up runway opened throttle immediately blew up engine Obviously tail wheel trying tell knock off look things over Im superstitious about color example plane Im building looks like its going come out little overweight cover wings white mean seagulls have white wings anybody knows white lightest color tips propellers should painted yellow white orangebut never red Red draws blood Winnipesaukee RCers fly spot just off runway practically everybody has lost control snap1 B C e Key $1125D 0E 0I Circle numbers plans wish order best handling please include requests payment some other service plans order order phone call I 317 287-1256 order fax complete send form fax number 317I 289-4248I 790 791792 793 794 795 796 797 798 799 Domestic customers please include $300 shippingand handling Add $300 Ihave plans mailed tube Please No COD OrdersI Make check money order payable US funds drawn US bank Model Aviation AMA 5151 East Memorial Dr Muncie IN 47302 Please allow II ENCLOSED $ ___________ k Money Order erCardNisaI I CARDNOEXPDATE ____ NAME __________________________ AMANo___________ STREET II CITY _______________________ STATE ____ ZIPI Customers outside US add $300 additional shipping handling per planI L v32][b845306803426260]] June 1996 189 Special Group Rate Through July 11996 plans 810-812 available special group rate three plans $15 plus postage Individual plans may ordered regular prices 810Indicator$750 1/2A RC trainer uses molded foam wing spans 45 inches 811XB-70$750 All-sheet CL trainer/sport model reed-valve 049s spans 28inches 812Potato Man$750 Sturdy FE trainer spans 36 inches No136 Fleeste Stotch SC Saab nodal fo 23-45 0-channel has both slots hopsC No 169 Denopplese SC notojon tatnod oabjn anodal kjtton 1937 19-25C No262 Cneehneeter CL otaoh-ptoot tojna Two siaostd-30 35140 pawnA No302 Miol F16 RC Sarpolan 049 donned fan spad file 2 otrannal Balsa wings toil tssolagostactcno9 No3101930 Fteet Blptene SC SpoaSoalo ton 35-40 paws 4ohannal Spans 56 l /000102 ptan shootsD No 447 1/2A MIss Asnorloot SC Old flea IsA Tosano nodal fan 049 glow 2 ohanaslsC No561 Gee Bee Modet Vt SC Golds Age Sans Spoon 72-in snob 60 paws 3 plan shootsE No702 Helnket NE 191 FP Snob nsadol t924 Gonna wonoplana HiLias Mlni6 gaaod oloatia watar Spons29 inA No714 Mad 5556 SC asetlaondly Spa, lien nelanod slow flight boools law Slow rnanscass 2S3S paws Spans BOle 2 plan sheots.. 2 No 720 Mtesteseeo FF Frank Zains papalat Oll-balsa-OOaOnad wbbopaweed nnodal takes 90w Papala Sc/sacs dana 1941 spas 25 A No 733 1941 Teptoco9 SC qsadetscale design noptaas tho aniqas flying qoalitias falIscale Toylataraft 159inah span 2 plan sheets.. S No 739 Joaaler SC Sailplane has looks padannanas 122inch span inoladas toll annoIntaban teat 2 plan shoots F 957511 BoeIng P462 SC Spatr Scale biplana spans 69 inches weighs IS tO lb 2 sheets E No709 Adbe PF Hand-held catapsit glida dean Andews A No763 MIss Amotisa Class Texaco aosion uses tS diosel powen 0 No766 Penny Tee Dee St 0pawesd SC wodal spans 20 inches No 769 Gipep Moth SC Spa0 Scale biplano spans 00 noOns No 779 Aenodestyl Sooandstey FF nbsa model spans 19/a 00905 60779 Loepln Lese 1955sera SC Spad teodol t9 lwa-stake powanspans 04 inches No791 Aetoese Detender SC Scale 104045 loanstnoks spans 700905 2 shoots 60762 Keserdose SC 6100140 caeatd Hal 40609 spans 50 inches No 793 900669 666 CL Stant St pawet Bob Batan spans 53 inches No744 FusSer Winte/Hanton SC biplane far 65 paws spans 9005952 shoots No795 NontOero LI9Itt FF Ftd Asgantos spans 551/a inchas No 799 Ceesne 190ES Electdc soilpiono fan 05 paws spans 62060 No 790 Vlodloetor SC spoytaine din Heoght TO 09 paws spans 60506, 90791 Niblite Seoondsoning Class 9FF Nooo Poll spans 72 inchos 60792 Alesenslo BoBet SC Scale Philip K ant spans 6212 inches 2 shea No793 Delileb Twa 0200 paws SC flyiag boat 30106 span No794 Peslo CL Slant Tan Glass wet sidonaanted engina spans 09 inches No765 Sloe Ridge Contet SC spaa nodal Old-Tin, eppeanenca spans 62 inches NO766 ShIllelegh SC Clab Sacs asosloaw 9004 canstnaction spans St/a inches No797 OpSo Delte PP Sabbor Scale aewion Wombs howebailt spans 27 indroo No799 PT 055Cc ptiwory toino las 0-42 paws spans 96 ioohoo 2 sheets No790 RC Seogali Unosaal wodol Ia 20-351onsbnkoo tftenos2drnn No990 Hero 40 Toichccw RC pasbnr spoas 55/a aches No901009013 /aATnsaccpFs sd9/an . No902 DES Coosenatico canatat byPdnte & Hantan spans 54 nchoo No902 Hot Ceoorp CL Scab ts Moo 22 Fwnk Boath spate 20Vc nchoo No 964 Moheets PInto SC Scala Mikalooka lot Electric twostnakes spans 69 inchasi 90905 Tesee Zephp PP fat /aA/FtJ Iseacks spans 0915 inches 90906 Tn P1151 SC saliptane Chnstonssn can So leanchad thaw ways span 77 inches No607 ARCSD Deteode Cites SC Scab Oaatian Mathows spans 70 echos No909 Lanot Sneek BIpe Span biplone tat tS.25 two-stnkes spans 36 inchas 69 C. Bee 92 CL Palile Scalo/Stont 45-00 fwa-stnkes syans 06 inane Full-size plan list available Complete listing plans previously published magazine through no 789 may obtained free charge writing enclose 55 stamped pre-addressed #10 businesssize letter envelope ModelAviation 5151 E Memorial Dr Muncie IN 47302 S. Large tube mode] $995 Gds fingers away prop OMounts anywhere en model Amu scale models eliminates need hole cowl needle valve Easy dreap fix broken needle valves Large tube mode] $1095 CM engine running perfectly countsrn air Never again blow flight becauae bad mixture setting O Also in-flight engine shutoff smoke valve Top levar used satup valve ean placed nodes cowl orin flosalage Extra savo & sdj dianne] required Oe@O@eOeeO Both valves guarenteed require no nigme modifications Just open needle valve leave alone needle valve off renove want Knuote & in-flight valves work glow-plug eagmes can use medium 3/32 id die] tubing Large tube 1/5 id mode]s vny large & some recing glow eagines Contains tank fuel line leaks dont have fuel-proof tank area Makes tank installation easier Leaks trapped plastic bag sealed 13/16 hole firewall rebber compression riu& Keeps feel oil firewall out fuselage use glow fuel Patent pending LeakCatcher plus 13116 drill bit fordrilliugthe firewall hole requked LeakCatcher $395 lnsta-curetm thin CA Inata-cure filling CA oz $395 2 oz S625 Odorless Super-Golds thin CA Super-Gold filling CA oz $795 2 oz $1395 hata-Sef CA Accelerator 2 oz $395 order call 1-800 765-0474 Visa & MC accepted Ask about club discounts send cheek MO Atlantic R/C Products Inc P0 Box 323007 Springfield VA 22132 Free shIppIng orders over $20 Add $350 shipping handling ordws tuidir $20 VA residents add 45% sales tax Deales inquiries invited rolled out shaky takeoff hung up tree crashedfor some undefinable reason Repeated radio tests have failed confirm fact know true An invisible cloud bad vibes sits area superstition gets results want use Roy Clough Jr Pittsfield New Hampshire Suggested Reading would like see some articles magazine covering following topics Engines care particular much [adjust] engine altitude compensate power loss due altitude proper propeller selection live Denver altitude 5000 ft sometimes fly Leadville altitude 10000 ft Propellers select prop want power speed both Radios care check hot cold weather operation hot cold w freezing below 00F three topics have never seen mentioned book magazine Most emphasis building flying contests/fly ins much engines props & radio systems heart flying Phil Kios Lakewood Colorado October 1995 issue article Don Brooks about measuring prop thrust Electric models high elevations aflaure MA will have afollowup Don prop pitch Although articles about Electrics wet power fliers can get some useful insights articles Junior FF Team 1996 USA Junior Free Flight Team follows FlA David Ellis Guilford CT Allen Porter Fresno CA FiB Dorothy Fee Oceanside CA Team Manager George Batiuk San Luis Obispo CA team will compete summer Junior World Championships held near Krakow Poland 17-23 August 1996 team members have identified dedicated capable free fighters deserve support Contributors should forward funds AMA specific notation checks accompanying paperwork identifying funds support Junior Team Blame Miller Junior Team Administrator Orlando Florida Airfoil Information publish plans written material model aircraft please include somewhere airfoil used possible also include designers reasons using airfoil us have computer programs capable drawing airfoils know spars Part fun model building trying different things trying different airfoils Good designers could help passed some experience various airfoils Bill Winters PDQ March issue shows engine used prop diameter pitch airfoil looks like NACA 0015 first glance trial-and-error approach using fullsize plans seems solution Henry Ham Green Valley Arizona BILL EFFINGER SAYSICESSNA 170 I/fl ScaleI/fl ScaleNEW 1/3 00010 144 o9r9 sporr---LAKE RENEGADE---LAIRD SUPER-SOLUTION new Mann Paffern Set 199600010009C39-9-AMPHIBIANFor 060 199 dC eogoeo 3 4 greotscoleoirplooerTheforrroosCeoooo l2900dJiroroo1/Ssoole 609 0900a--92wrrg 0900 1035 00CORd 31/2 Pr 00/0 Rd 99 3/8 OooIItles Loird toper Solotioo 5090 ore I/S soole 1/5Rd6&691095 dID eoploeo- o6rrgipoO sq wing oreb ocole 6 Oeoooriot toe popolor s6e coroblolog boOrAERONCA C_____________________C PC Ooepleoo 060942 214 ooeroI loogro 90114109 coOt chepoer eogloeo oodolrOOSt 91001 sOole1/300$2409 pertormonoeRd39-IWW~60109 georRC99-14$1900 MIGHTY HOG1/600SS OG 94 1/2 oAeg 0900 1975qieoriOgoroo o 26RC7$1499HAWKER SUPER FURYCESSNA 120I140 eegioeo RCT-2$2490PIPER CUB J-3 P100009000 Foy 004 exportEither Model Ai150-HOGi4 94o6090000 1/300010 14100i09sp00 -2 92999oersloos 6010 12 dID e0910e0 4Ch000100 009r0059dt1999930900 otr 0010 40900iowiogoreo 151039 COUPE 90A5S MINI-HOG 47 1 /2 wIng 0900 0010 01090000d39-4~- WACO SRE 962to l9eogeexOCt-2$6991/50060dIDeOglOes PER BUCCANEER 85. PIPER ill-PACERdo sc O lbs w/oRC58 001090900 291079 009l001/3 00010 16 0009 0900531/2 001090p00 09990010 RCFF-1 1799Rd39-2 999wrogored orollleogth SUPEs 5UCCANEE566 600 009 09001/900010 700 wing 0p00 -3 95RC99-19$2499 lOto25eogioesRdFF-4 99FAIRCHILD 24 9t0 49 dID 0091005900001090900 SEALION1021/60000 0 900 Rd$1299 9d69-6 99 4S ac 1900 001095900 191o2600910001/2000 49 2 05 9 p RCFF-19 99Rd3S-6 4 9 D eogloes 4Ch SEACAT656&oxiOgOpOO l9to29GRUMMAN WIDGEON eogloesRdFf-13$19991/600 089 0 990 0 sq 0 0009 orOO SEA KITTENil OP orO9 0900 049 tO 99009100019490000 900 . 09 georotrotS PCFF-16$999Rd60-8 oc 2991995 190 Model Aviation * Alantic K/C mixture valves safety convenience Get freedom safely control engines mixture needle anywhere model flight using new pate nted principle jots PLEASE ADO $4tS sisipping Imnilins tubal Said Fe Pine isIs b1scIua Stse W E TECHNICAL SERVICES 3206 E Post Woods Drive Atlanta GA 30339