THE ELECTRIC CONNECTION Service has single offering month Charles Simerka 11644150 CTN Jupiter Florida 33478 Charles has recently returned modeling after about 20 years absence has done Electric anxious find others nearby share joy quiet power brings please Look im up tell Charles Bob sent ya Its interesting note former modelers separated hobby decade two returning Electric routinely occurring story incoming mail Motor Noise seems have become column speciality Reader reaction recent columns addressing topical area has strongin way letters calls personal encounters last KRC meet have voiced gratitude info regarding capacitors motors October issue seems suggestions given time have worked well modelersand said fiberglass-structure e 5-17 being marketed Keith Mey Meys Hi Teck Hob- bies Model uses four Great Planes Gold Fire 550 ferrIte motors twenty-one 1500 mAh cells up about 11 lb retracts Keith estimates about three-minute flight time review column discussed presented photographic regarding installation capacitors motor brushes effective noise reduction therefore less motor-induced in-flight glitching Just some modelers grateful information given others provided additional information happened twice KRC affair Bob Johnson author chokes article August 91 issue RC Report recommended Heres nose end Senlorita seen KRC meet geared 25 cobalt nested between metal beam engine mounts held firmly top bottom formed metal straps shown Note brush clearance cut firewall Neat molded cowl slipped place Typical personalized charging set-ups seen KRC meet L Unknown modelers three Astro chargers other acces sories charge up out-of-plane packs right inside look soon-to-be announced high-teck charger SR Batteries Boss Larry Sribnick tells SR Smart Charger/Cycler microprocessor controlled can charge up 28 cells uses peak temper ature detection Charger reverse-polarity protected uses Sermos connectors has LCD display full upgradable programming 50 Model Aviation Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 The Electric Connection Service 2 Motor NoiseStill 3 Motor Size gain 4 Direct vs Geared Drive 5 Skyvolt 6 A ReminderThe License Plate Contest 7 EAAWhere Are Four Star 40 Ron Farkus powered geared 40 cobalt twenty-one 11 0O-mAh cells APC 12 x 10 fan Ron originally flew model 46 four-stroke wet power about five lb 19 oz loading Conversion brought gross up about seven lb 25 oz loading JEKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 RIC City mu . AvantiJekyll 120 Conquest ViLA-i Conquest 120Phoenix 8 CursorPhoenix 8/45 DesirePunch EU-lASkybolt Eclipseiiin Summit Iii Fresh AireSundowner Krier Kraft Worlds Firesr Fiberglass Prodicts Typhoon Jekyll 6096 Railroad Ave #FVortex Suisun Ca 94585 707-428-3119 707-421-2336 MASTERCARD/VISA ACCEPTED SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA reading also George Minnear Westmoreland Electric Soaring Society Pennsylvania both approached about fact recommended disc ceramic capacitors can less effective depending upon self resonance characteristics gentlemen correct advisory heres what means Bob George both talking about fact capacitors associated wire lead length form series-tuned circuit some frequency happens fall frequency band especially effective other hand resonance falls off frequency results may disappointing ie capacitors will doing best job have investigated behavior recommended Radio Shack parts using Grid Dip meteran instrument familiar ham radio operators early Vintage RCers Indeed found resonance falls generally between about 50 mHz 70 mHz depending capacitor lead length hope explore specific much greater detail future now let recommend make capacitor leads short possible greatest effectiveness much credibility above matter Id also like tell two modelers wanted install capacitors recommended reluctant disassemble motors shown October column turns out both gentlemen geared cobalts both ran capacitor leads brushes gear box mounting screwsobviously much too long lead length effectiveright Wrong happens both installations worked out just fine both modelers told great flying sans motorinduced glitches So what about apparent lead-length contradiction think its matter degree Short leads would definitely best longer ones apparenfly better what before fact adequate particular installations its also possible certain other installations long lead approach would work As Ive said times cures work cases general patient efforts effect motor noise control will nearly always bring noticeable results Often its matter finding approach rather combinations cures before results become appreciable since may layered problems just show varied approaches can further input Dennis Vollrath gentleman referenced December column may recall Dennis experienced problems what turned out speed control switching transients getting receiver subsequenfly shielded latter foil Now Dennis has found offending emissions some power system wiring can greatly reduced twisting wire pairs such both battery wires both motor wires etc described single simple modification increased 100% range particular 40powered craft Just trick bag thereof Thanks again Dennis Earlier mentioned Bob Johnsons RC Report article chokes article Bob described application toroidal cores motor other power system wiring listed supplier cores fact sent some turns out Amidon Associates supplier moved since Bobs article came out heres new address Amidon Associates PO Box 956 Torrance CA 90508 core prices Bob gave have also changed heres latest FT 50-43 February 1992 51 DESIRL Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 UNUULI VI Wing Span 66Weigfht 80-85 Lbs Wing Area 840Engine 60 YI-MUUN Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900, Engine 120 Continued page 134 Home-made battery cooling device Bob Shipton Detroit Bob Electric Flyers Only Club says several members using design cool packs between flights charges Assembly consists Radio Shack 3-In blower No 273-243B Housing clear acrylic Similar design used Steve Neu appeared made PVC plumbing pipe Electrics/Kopski Continued page 51 $075 FT 82-43$120 FT 114-43 $225 Postage $400 Now convenience reference list recent Model Aviation RC Electrics columns have discussed motor noise problems solutions 12/89 1/90 8/90 9/90 2/91 10/91 12/9 1 discussion several columns predating earliest listed above much coverage has repeated updated recent issues Motor Size what means has topical pursuit columnist years particular Ive often lamented fact exist no motor size standards within model hobby both difficult frustrating modelers compare products often simply choose right motor Indeed popular reader questions continues concern about motor/which plane Electric has certainly matured rapidly recent years evidence can found last months coverage 91 KRC meet modelers rapidly catching fact Electric just gliders modelers doing some very impressive things quiet power source Yet motor descriptions ratings names remain firmly Dark Agesthose days Electric just gliders Probably familiar motor size nomenclature introduced Astro Flight early 70s time fledgling company 10 25 soon followed can 05 expressions intended roughly categorize motors sport glow engine equivalents Thus early 05 would thought turning 6 X 3 6 X 4not unlike 049 glow engineand about same rpm just naturally leads us question todays Astro 05a cobalt far removed early can motor its abilities limitations Join squadron Brand new squadron markings. Available 1/8 1/6 & 1/4 scales Setd es always something new major decals orkssquadron insignias NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01020 TEL 413-5254110 FAX 413-525-PBS /C GOODIES Cochran St Suite 281805 581-5061 Stint Valley Ca 93065 BuILDING ACCESSORIES #2 SPAN NOW IN 36 & 72LENGTHS APPLY W APPLY NON-TOXIC BALSALOC ADHESIVE TO FRAME WITH SMALL DAMP SPONGE ALLOW TO DRYTHEN AFFIX LITESPAN WITH IRON NK WITH IRON OR HEAT GUN 20 x 36 TS SPEC $250 20 x 72 SPEC $500 110 GRAM BALSALOC REG $400 SPEC$325 S&HTO7SHTS 20X360R45HT520X72 SPAN LSALOC $300 S & H TO LE THIS QUANTITY $500 SANEW EDGE ON YOUR NO 11DUAL BLADE EXACTOORSHARPENER UBER BLADES ECONDS BLADE REPLACEMENTS SAVESTIMEAND OND EDJER REG $1500 SPEC $1275 ARKANSAS STONE REG $1100 SPEC S925 MIC EDJER REG $850 SPEC $725 $175 SHIPPING & HANDLING SEE BROCHURE FOR OTHER MODELS PRICES ARE CASH CARDS 6% MORE 20% DEPOSIT-COD Consider example Vintage Esquire weighing about 54 oz pulled geared 05 eight cells Im confident that plane would move through air glow 049 because flew wet power over quarter century Some readers have told size comparison glow engines good because its easy comparison may okay its accurate comparison youre modeler familiar wet power first place consider new modeler just entering hobbywith first experience being Electric person has no wet Continued page 138 Original E-Z UP Sun Shelters H I- 0 8x8'10xlO'10x15 1 Other sizes accessones Sets up less 60 colors custom logos secondsl No ropes lollering avalIab nothin assemble! -0O0 131 RAvENWOOD Ro VERSAILLES KY 40383 134 Model Aviation JUl11 -UJI flY VI VERA GES 0 VER 9000 PROPS I! IMMEDIATESHIPMENTON VISA/MC SPECIALISTSINCUSTOMCOX TEE DEE& REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRANDS OFGLOWPLUGS HARD-TO-FINDHARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARK PLUGS SILK8 COLORS QUALITYDOPEBRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUEAND OTHER SUPPLIES CYANOACRYLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS LV ** 4620 CRANDALLLANESVILLE RD CORYDON INDIANA 47112 ** Large selection Remote Control Model Airplanes protessional LISTED BELOW In Business since 1973 PRICES SUBJECT TO CHANGE WITHOUT NOTICE IS JUST FEW OF THE MFG WE STOCK HOURS MONDAYTHRUTHURSDAY9AM-SPM FRIDAY 9AM-2PM A-JUSTOJiGFOXCLOSED SATURDAY& AMBROIDFUTABASONIc-TRONIcS ARCORUBBERBANDSGOLDBERGSTERLING BRIDiGAS MODEL PRODSULLIVAN DAVEYS SYSTEMSHALLcOTOP FLITE COVE RITEHOBBYPOXYVS ENGINES ited Quantity OEVcONHOT STUFFLANIER DREMELK&BMFGMILLERSTAFFORDSCALE DU-BROSIGNORTHEAST DYNAFILITESAITOZINGER PROPSB-24 $300OC ENGINES 4 19-25 WINGSPAN 9Oincbes 0 STAFFORD AIRCOUPE $9995 complete listing etc please send stamped self-address enve lope DEALERS WANTED F K KITSIGLs NStickum arf/fibass IFlsrbt boxI fuseLage trics/Kopski Continued page 134 reference 15 wet means nothing him Fundamentally must question comparison should needed Surely early model fuel engines appeared nothing compare did early modelers know what kind plane put 19 learned Ive good fortune knowing very large numbers modelers can tell modelers definitely dumb Yes some unfamiliar technical things may bit scary anyone initially no reason whywith little insight little experience modeler could readily associate right Electric motor modelif some meaningful motor size standard placejust like modelers days gone did new-fangled model gas engines have long advocated use input power expressed watts both suitable fully appropriate approach problem Input power watts simply arithmetic multiplication motor voltage volts input current amps Both quantities readily measurable modeler simple equipment would easy manufacturer describe motor capability watts proviso motor properly used simply means motor would used appropriate propellers run within recommended rpm range once modeler just little exposure what watts example model growth point would very difficult After real modelers know what happens jump 25 40 wet planeright course above discussion somewhat simplified interested manufacturers would have some work to suitably describe motors watts anything else because would have some standardsuch motor life exampleto give meaning such rating example some motors may genuine candidate 100-watt rating everyone knows can add cell pitch diameter force over-100watt motor What happens between affects motor life Thus example very good motor life may expected 100-watt operating conditions deteriorating motor life may occur power pressed upward starters about 100-hour continuous duty 70 0F free air possible standard Anybody out have other ideas later Direct vs geared motors also continues hot topic within reader letters Personally prefer think geared motors rather geared propellers effect gearing changes size prop does change size motor Heres what mean motor motor motor basic electro-mechanical make-up unaffected what put armature shaft does matter motor driving small prop directly large prop gears attached appropriate concern prop plane combination Gearing mechanical way potentially achieving best match prop plane As generalization large slow models 138 Model Aviation PLEASE CALL FOR SPECIALS oi THE MONTH Plane complete witi full-size patterns material list step-bystep instructjons end color photographs PLANS NOW AVAILABLE Esy-to-build WORLD WAR SPAD RED BARON Pedal Planes littie pilot age 3 6 will love Ue unique estiting toy Plans $1495 US ft Canada Specify plans desired FL Res add 6% tea Add $300 P ft H. FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 305432-5196 Consuucoon massnare twoco wneers naroUOare etcl available lumber hardware outlete Some parts available r5adynrade desired Ust induded witir plans WHY PAY SACHS DOLMAR PRICES FOR IMITATION . WREN YOU CAN HAVE 100 % SACHS DOLMAR . OJSTOMIZED BY TG MFG LEU7Mf LIOTW WARRANTY AS LONG AS P*CIIASIER OWLS ENG1N MZ eitinu 0ampLefr Mady mount nc1udL A*44i Mto* Mount Mowiting BOLtA T4p 4oa Smo&L Pump C*4 ELictutoniea Patk S isUek Tk&attlL Lbskaye JuatoaU 201 427 3845 4. GEA1 1RJCES *i AeAvict *Lt 4 ALIt GtMA puiovIi*t tvailab& Wit ARF elis $&Uon ICU Toaqe Mount 3t G4*LqAeA t-U TG *G S7 H49h Mountain Road Nonth Hafrdon Ne& Jweg 01508 best flown large slow props Examples can include some sailplanes Old Timers some scale jobsas rough categorization Thus likely find advantage geared systems such models other hand small fast models best matched up small fast-turning props An example would pylon racer Lets draw some mental pictures Imagine small screaming direct-drive prop very large lumbering OT Indeed plane might look act like motor test stand anything else Now imagine same plane larger slower fan moving large volumes air slowly Sounds better huh now picture same big low rpm prop front sleek pylon plane Looks wrong right Tis wrong too course always middle-range planes its necessarily clear what approach best Such middle models would likely very well either direct geared drive ie rather wide range props/rpm fact Skyvolt design Jan 90 seems Ive flown Continued page 142 & MODEL BUILDING 7ERVICE RADIO CONT1OL PRODUCJ3 carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN SIAM 0314 4 /2 08 / 04 K_ 2 12- / _ 6 42 n ii E think putting skIs military airplane Garry B&P Associates Gives Total Flight Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field February 1992 139 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 R/C Combat __________Sport Flying Flys hour V ideopost poid $1295 LIST $8995 800-264-7840 Kombat 40 member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembled engine mounted radio installed hourl Nothing extra buy provide 4 channel radio 25-40 engine supply everything else great sports plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs thot take 10-12 hours longer complete Kombat 40 true winner ORDER YOURS TODAY Trainer Version available $7495 Electrics/Kopski Continued page 139 model both ways find performance very close direct drive 15 twelve 900s 8 X 4 geared 05 eight 1200s turning 9 X 8 weight flying close either way Heres hoping perspective some help perplexing question gear gear Speaking ef Skyvelt brings mind several oft-repeated reader questions about Electric Plans design available MA Plans Service model also kitted manufacturer Todays Hobbies company also manufactures very impressive line stick tissue RC jet fighter designspopular kits since Desert happened Anyway since readers ask Id like say Im obviously familiar folks involved am personally associated company Other often asked questions concern Senior Skyvolt simply scaled up version original comparison original Skyvolt chord published eight inches Senior version 10 inches other dimensions similarly scaled no Senior version planned publication kitting though its best Electric have Finally have reproducible plans just some outline lines drawn cardboard Sorry thank everyone has inquired about points RC Electrics License Plate Contest announced July August 91 issues reminder Skyvolt kit prize readers favorite have until December 1992 send photo own vanity plate promoting Electric So far two readers have done just example shown July column Ill publish received once after closing date Readers can let know favorite Ill review Crash Resistantl 48 wingspan 4 5 inum Land n9 Gear 4 $2 pp/lst class free to$2000 addrequested 1st order $450] $2 Pace 1991 CATALOGUE sdd 375 $4501 b H0 P000 add $425 3 MdIAN STIA] t7000 add $500 aljf add 600%tax Sen BOX 2212 tO vISAMc i & Eap oWESTMINSTERCA 92884 heckslHours Mon-Fri 9AM 5PM Theck allow up 30 7141 893-B3llPhone iays tor clearance 714 895-6629 IFAX particulars unusual Electric contest once again several months now can dig out back issues see what its about EAAHelIo Out As best can telltheres no home anymore Electric Aeromodeling Association Ive always supported Electric endeavors such Special Interest Group SIG within AMAthe EAA before EAA short-lived SEAM last Januaryat membership renewal timeI just plain forgot send 91 EAA dues around June began wonder hadnt seen Continued page 144 AER5PACE Vacuum Bagging Headquarters Composite Products Weve Got COMPLETE System Complete EZ-Vac & EZ-Vac PRO Bagging Systems pump Bagging Tube Quick-Lock Bag Seals Iqs4 luggingmuVie Connector 8700 Quick-Lock Bagging Seals. No Vacuum AttachFitting/Valve. Messy Leaky Sticky Tapel PRO way attach vacuum lines bag Send $100 Complete Catalog Composite Building Materials Equipment & Supplies Visa & Master Card Accepted Aerospace Composite Products ox 16621 ne CA 92714 250-1107 FAX 714 250-0307 142 Model Aviation Hobby Horn hobby specialties MIDWAY MODEL CO Old Timer Kits c AND FF Hobby Horn discount prices MMC FULL KITS listed Futt Kits include cut parts plan strip sheet wood wire window material Kits marked have wire landrnear pre-bent 1938 rhouse 50p3596 1937 Loqo Cabin 78$4952 1939 IC Sportster 50$3596 1937 Quaker Flash 87$4784 1940 Buzzard Bombshell 50 span kit*3596 1937 Air Chief 613776 1940 New Ruler 74 ..I 1939 Thermic 100 Glider 1100 Span bi rer7472 Sailplane--modifications shown R/CI ------58623 P & W MODEL SERVICE Old Timer kits FF RIG following discount p rice full kits full kits clude cut parts plan stick sheet wood wire windshield material 1935 Miss America &4$7556 1936 Buccaneer 84$8296 1937 Dallaire 108$7992 1938 Clipper Mk 72$5596 1938 Kioud King 83$4448 1938 Powerhouse 84$5624 1936 Record Breaker 96$7304 1938 Trenton Terror 72$4280 1939 Korda wake 44$2012 1939 Mercury 72$6128 1939 Zipper 54 .... ....... $5624 1940 Ranger 46$3355 1940 Sailplane 78$8900 1940 So Long 50$3188 1941 Brigidier 56$4279 1941 Super Quaker 78$7640 1941 PlayboyJr 54$3272 1941 Playboy Sr 78$5372 1941 Brooklyn Dodner 56$4448 8 Martha Ct18305 Regency Woods Way Sumter SC 291501 Louisville KY 40220 803-775-6491 1502-491-4114 Kits include fiberglass fuselage vacuum-formed canopy F-ba Foam wings plans construction manual No wood included Accommodates Dynamax Byro-Jet Fans z CENTURYGIANT SCALE RETRACTS 30-50 lb Class- JET MODELS INCAvadabie standard T-6 AluminumNEW Chromoly StrutsI RELEASE Stainless scissorsI F-4 PHANTOM Selector Valve Air-ISend Tank Lines $275 pair ATALOG AVAILABLE KITS F-100 1/aScale Flying WT 115 lbs accessories Avail SPORT HAWK MK II New Intake Design Foam Cores 40-91 SYm Vert & Hoz Stabs No Cheater Hole 51 Wing 59 Length Basic Kit $189 F-lOS THUNDERCHIEF Length 7V 1 No Cheater Hole Fiberglass Fuselage Foam Cores Con struction Video Available c kit $239 F 0LU -Scale Main Retracts 22 Ounces Spare Parts 89-94 Deg Retract angle Air Tank Service/Selector Valve Airlines included $19999 EAA newsletters realized might have something fact no longer member immediately fired off three-years worth dues plus some additional $ request newsletter reprints may have missed Weeks months went heard nothing check cleared batik So wrote again inquiring status membership application check etc enclosed SASE make reply easier No response No check Nothing its now late October may draw own conclusions folks As meIm really worried Electric will just fine no home EAAthis because readers column seem have no interest anyway discussed December 91 issue However anyone can would shed some light apparent lights out situation Id very happy let readers know what real story Can anyone help Id like support SIG sure B-57 CANBERRA Wing SpansO Length 63 $18999 other modelers would like know before sending dues money too another column concludes Please include SASE letters youd like answer Have safe happy quiet Electri-flyin winter ] RC Pylon/Hager Continued page 52 10423 2 R Knepper 28 pts 10720 3 D Whiteaker 28 pts 10447 4 C Patizardi 22 pts 10807 5 M Tailman 22 pts 11069 6 J Dodd 22 pts 10774 7 R Cromer 21 pts 10887 8 D Green 20 pts 10453 9 J Ruh 17 pts 10910 10 T Scott 17 pts 11017 11 B Martin 16 pts 11436 12 D Bowman 15 pts 11388 13 B Belluomini 15 pts 13456 14 D Kane Jr 14 pts 10667 15 J Salisbury 12 pts 10726 16 E Spiker 12 pts 11159 17 R Gray 12 pts 11191 18 B Anderson 4 pts 11373 Six Meters RC have always wanted use six meters radio control flying read following taken 11th Lap Newsletter No Code Last December 13 1990 first no-code amateur radio operators license US approved FCC Bureau Chief Haller Commissioners Cross Quello Dugen Sykes Docket 90-55 establishes codeless license eliminating code requirement Technician class license first no-code license history US Amateur Radio ServiceContinued page 146 Upgrade Vision 8P 8SP transmitters Enhance Vision 8P 85P ATRCS SP7 module new version 30 upgrade upgrade increases number setups available 8 allows aircraft naming failsafe positions Futaba PPM FM receivers Upgrade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup information plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems LaboratorIes 238 So Hhliview Drive Milpitas CA 95035 408 946-4142 Name AArpcc City State ____ Zip 30 upgrades ______ x $9500 ________ Local CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $375 checkMaster Card VISA Card # Expires 144 Model Aviation RIC BEGINNERS very up-beaf hobby Once have soloed will probabty hooked life soloing fhe problem hobby loses least half its pofential fliers because fhey fail fo suc cessfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULTl disgrace hobby fhe aero modeling industry required police itself free fo call atrocity guided missile TRAINERl just some mosf ot fhe advertised trainers impossible beginner solo with help instuctorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly men tion real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST liME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S300 plus 45 postage EASE-OF-FLYING RATINGS OF RiC TRAINERS Over 40 currently available trainers evaluated cluding ARFs Also grades ease-of-building ex plains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn Guarantee money back say eye-opening candid enlighten ing time-saving money-saving frustration-sparing P/C publication have ever readl Testimonials available request JIm Waterman 3618 DeorfIeld Dr Dept M San AntonIo1 TX 78218
Edition: Model Aviation - 1992/02
Page Numbers: 50, 51, 134, 138, 139, 142, 144
THE ELECTRIC CONNECTION Service has single offering month Charles Simerka 11644150 CTN Jupiter Florida 33478 Charles has recently returned modeling after about 20 years absence has done Electric anxious find others nearby share joy quiet power brings please Look im up tell Charles Bob sent ya Its interesting note former modelers separated hobby decade two returning Electric routinely occurring story incoming mail Motor Noise seems have become column speciality Reader reaction recent columns addressing topical area has strongin way letters calls personal encounters last KRC meet have voiced gratitude info regarding capacitors motors October issue seems suggestions given time have worked well modelersand said fiberglass-structure e 5-17 being marketed Keith Mey Meys Hi Teck Hob- bies Model uses four Great Planes Gold Fire 550 ferrIte motors twenty-one 1500 mAh cells up about 11 lb retracts Keith estimates about three-minute flight time review column discussed presented photographic regarding installation capacitors motor brushes effective noise reduction therefore less motor-induced in-flight glitching Just some modelers grateful information given others provided additional information happened twice KRC affair Bob Johnson author chokes article August 91 issue RC Report recommended Heres nose end Senlorita seen KRC meet geared 25 cobalt nested between metal beam engine mounts held firmly top bottom formed metal straps shown Note brush clearance cut firewall Neat molded cowl slipped place Typical personalized charging set-ups seen KRC meet L Unknown modelers three Astro chargers other acces sories charge up out-of-plane packs right inside look soon-to-be announced high-teck charger SR Batteries Boss Larry Sribnick tells SR Smart Charger/Cycler microprocessor controlled can charge up 28 cells uses peak temper ature detection Charger reverse-polarity protected uses Sermos connectors has LCD display full upgradable programming 50 Model Aviation Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 The Electric Connection Service 2 Motor NoiseStill 3 Motor Size gain 4 Direct vs Geared Drive 5 Skyvolt 6 A ReminderThe License Plate Contest 7 EAAWhere Are Four Star 40 Ron Farkus powered geared 40 cobalt twenty-one 11 0O-mAh cells APC 12 x 10 fan Ron originally flew model 46 four-stroke wet power about five lb 19 oz loading Conversion brought gross up about seven lb 25 oz loading JEKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 RIC City mu . AvantiJekyll 120 Conquest ViLA-i Conquest 120Phoenix 8 CursorPhoenix 8/45 DesirePunch EU-lASkybolt Eclipseiiin Summit Iii Fresh AireSundowner Krier Kraft Worlds Firesr Fiberglass Prodicts Typhoon Jekyll 6096 Railroad Ave #FVortex Suisun Ca 94585 707-428-3119 707-421-2336 MASTERCARD/VISA ACCEPTED SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA reading also George Minnear Westmoreland Electric Soaring Society Pennsylvania both approached about fact recommended disc ceramic capacitors can less effective depending upon self resonance characteristics gentlemen correct advisory heres what means Bob George both talking about fact capacitors associated wire lead length form series-tuned circuit some frequency happens fall frequency band especially effective other hand resonance falls off frequency results may disappointing ie capacitors will doing best job have investigated behavior recommended Radio Shack parts using Grid Dip meteran instrument familiar ham radio operators early Vintage RCers Indeed found resonance falls generally between about 50 mHz 70 mHz depending capacitor lead length hope explore specific much greater detail future now let recommend make capacitor leads short possible greatest effectiveness much credibility above matter Id also like tell two modelers wanted install capacitors recommended reluctant disassemble motors shown October column turns out both gentlemen geared cobalts both ran capacitor leads brushes gear box mounting screwsobviously much too long lead length effectiveright Wrong happens both installations worked out just fine both modelers told great flying sans motorinduced glitches So what about apparent lead-length contradiction think its matter degree Short leads would definitely best longer ones apparenfly better what before fact adequate particular installations its also possible certain other installations long lead approach would work As Ive said times cures work cases general patient efforts effect motor noise control will nearly always bring noticeable results Often its matter finding approach rather combinations cures before results become appreciable since may layered problems just show varied approaches can further input Dennis Vollrath gentleman referenced December column may recall Dennis experienced problems what turned out speed control switching transients getting receiver subsequenfly shielded latter foil Now Dennis has found offending emissions some power system wiring can greatly reduced twisting wire pairs such both battery wires both motor wires etc described single simple modification increased 100% range particular 40powered craft Just trick bag thereof Thanks again Dennis Earlier mentioned Bob Johnsons RC Report article chokes article Bob described application toroidal cores motor other power system wiring listed supplier cores fact sent some turns out Amidon Associates supplier moved since Bobs article came out heres new address Amidon Associates PO Box 956 Torrance CA 90508 core prices Bob gave have also changed heres latest FT 50-43 February 1992 51 DESIRL Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 UNUULI VI Wing Span 66Weigfht 80-85 Lbs Wing Area 840Engine 60 YI-MUUN Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900, Engine 120 Continued page 134 Home-made battery cooling device Bob Shipton Detroit Bob Electric Flyers Only Club says several members using design cool packs between flights charges Assembly consists Radio Shack 3-In blower No 273-243B Housing clear acrylic Similar design used Steve Neu appeared made PVC plumbing pipe Electrics/Kopski Continued page 51 $075 FT 82-43$120 FT 114-43 $225 Postage $400 Now convenience reference list recent Model Aviation RC Electrics columns have discussed motor noise problems solutions 12/89 1/90 8/90 9/90 2/91 10/91 12/9 1 discussion several columns predating earliest listed above much coverage has repeated updated recent issues Motor Size what means has topical pursuit columnist years particular Ive often lamented fact exist no motor size standards within model hobby both difficult frustrating modelers compare products often simply choose right motor Indeed popular reader questions continues concern about motor/which plane Electric has certainly matured rapidly recent years evidence can found last months coverage 91 KRC meet modelers rapidly catching fact Electric just gliders modelers doing some very impressive things quiet power source Yet motor descriptions ratings names remain firmly Dark Agesthose days Electric just gliders Probably familiar motor size nomenclature introduced Astro Flight early 70s time fledgling company 10 25 soon followed can 05 expressions intended roughly categorize motors sport glow engine equivalents Thus early 05 would thought turning 6 X 3 6 X 4not unlike 049 glow engineand about same rpm just naturally leads us question todays Astro 05a cobalt far removed early can motor its abilities limitations Join squadron Brand new squadron markings. Available 1/8 1/6 & 1/4 scales Setd es always something new major decals orkssquadron insignias NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01020 TEL 413-5254110 FAX 413-525-PBS /C GOODIES Cochran St Suite 281805 581-5061 Stint Valley Ca 93065 BuILDING ACCESSORIES #2 SPAN NOW IN 36 & 72LENGTHS APPLY W APPLY NON-TOXIC BALSALOC ADHESIVE TO FRAME WITH SMALL DAMP SPONGE ALLOW TO DRYTHEN AFFIX LITESPAN WITH IRON NK WITH IRON OR HEAT GUN 20 x 36 TS SPEC $250 20 x 72 SPEC $500 110 GRAM BALSALOC REG $400 SPEC$325 S&HTO7SHTS 20X360R45HT520X72 SPAN LSALOC $300 S & H TO LE THIS QUANTITY $500 SANEW EDGE ON YOUR NO 11DUAL BLADE EXACTOORSHARPENER UBER BLADES ECONDS BLADE REPLACEMENTS SAVESTIMEAND OND EDJER REG $1500 SPEC $1275 ARKANSAS STONE REG $1100 SPEC S925 MIC EDJER REG $850 SPEC $725 $175 SHIPPING & HANDLING SEE BROCHURE FOR OTHER MODELS PRICES ARE CASH CARDS 6% MORE 20% DEPOSIT-COD Consider example Vintage Esquire weighing about 54 oz pulled geared 05 eight cells Im confident that plane would move through air glow 049 because flew wet power over quarter century Some readers have told size comparison glow engines good because its easy comparison may okay its accurate comparison youre modeler familiar wet power first place consider new modeler just entering hobbywith first experience being Electric person has no wet Continued page 138 Original E-Z UP Sun Shelters H I- 0 8x8'10xlO'10x15 1 Other sizes accessones Sets up less 60 colors custom logos secondsl No ropes lollering avalIab nothin assemble! -0O0 131 RAvENWOOD Ro VERSAILLES KY 40383 134 Model Aviation JUl11 -UJI flY VI VERA GES 0 VER 9000 PROPS I! IMMEDIATESHIPMENTON VISA/MC SPECIALISTSINCUSTOMCOX TEE DEE& REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRANDS OFGLOWPLUGS HARD-TO-FINDHARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARK PLUGS SILK8 COLORS QUALITYDOPEBRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUEAND OTHER SUPPLIES CYANOACRYLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS LV ** 4620 CRANDALLLANESVILLE RD CORYDON INDIANA 47112 ** Large selection Remote Control Model Airplanes protessional LISTED BELOW In Business since 1973 PRICES SUBJECT TO CHANGE WITHOUT NOTICE IS JUST FEW OF THE MFG WE STOCK HOURS MONDAYTHRUTHURSDAY9AM-SPM FRIDAY 9AM-2PM A-JUSTOJiGFOXCLOSED SATURDAY& AMBROIDFUTABASONIc-TRONIcS ARCORUBBERBANDSGOLDBERGSTERLING BRIDiGAS MODEL PRODSULLIVAN DAVEYS SYSTEMSHALLcOTOP FLITE COVE RITEHOBBYPOXYVS ENGINES ited Quantity OEVcONHOT STUFFLANIER DREMELK&BMFGMILLERSTAFFORDSCALE DU-BROSIGNORTHEAST DYNAFILITESAITOZINGER PROPSB-24 $300OC ENGINES 4 19-25 WINGSPAN 9Oincbes 0 STAFFORD AIRCOUPE $9995 complete listing etc please send stamped self-address enve lope DEALERS WANTED F K KITSIGLs NStickum arf/fibass IFlsrbt boxI fuseLage trics/Kopski Continued page 134 reference 15 wet means nothing him Fundamentally must question comparison should needed Surely early model fuel engines appeared nothing compare did early modelers know what kind plane put 19 learned Ive good fortune knowing very large numbers modelers can tell modelers definitely dumb Yes some unfamiliar technical things may bit scary anyone initially no reason whywith little insight little experience modeler could readily associate right Electric motor modelif some meaningful motor size standard placejust like modelers days gone did new-fangled model gas engines have long advocated use input power expressed watts both suitable fully appropriate approach problem Input power watts simply arithmetic multiplication motor voltage volts input current amps Both quantities readily measurable modeler simple equipment would easy manufacturer describe motor capability watts proviso motor properly used simply means motor would used appropriate propellers run within recommended rpm range once modeler just little exposure what watts example model growth point would very difficult After real modelers know what happens jump 25 40 wet planeright course above discussion somewhat simplified interested manufacturers would have some work to suitably describe motors watts anything else because would have some standardsuch motor life exampleto give meaning such rating example some motors may genuine candidate 100-watt rating everyone knows can add cell pitch diameter force over-100watt motor What happens between affects motor life Thus example very good motor life may expected 100-watt operating conditions deteriorating motor life may occur power pressed upward starters about 100-hour continuous duty 70 0F free air possible standard Anybody out have other ideas later Direct vs geared motors also continues hot topic within reader letters Personally prefer think geared motors rather geared propellers effect gearing changes size prop does change size motor Heres what mean motor motor motor basic electro-mechanical make-up unaffected what put armature shaft does matter motor driving small prop directly large prop gears attached appropriate concern prop plane combination Gearing mechanical way potentially achieving best match prop plane As generalization large slow models 138 Model Aviation PLEASE CALL FOR SPECIALS oi THE MONTH Plane complete witi full-size patterns material list step-bystep instructjons end color photographs PLANS NOW AVAILABLE Esy-to-build WORLD WAR SPAD RED BARON Pedal Planes littie pilot age 3 6 will love Ue unique estiting toy Plans $1495 US ft Canada Specify plans desired FL Res add 6% tea Add $300 P ft H. FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 305432-5196 Consuucoon massnare twoco wneers naroUOare etcl available lumber hardware outlete Some parts available r5adynrade desired Ust induded witir plans WHY PAY SACHS DOLMAR PRICES FOR IMITATION . WREN YOU CAN HAVE 100 % SACHS DOLMAR . OJSTOMIZED BY TG MFG LEU7Mf LIOTW WARRANTY AS LONG AS P*CIIASIER OWLS ENG1N MZ eitinu 0ampLefr Mady mount nc1udL A*44i Mto* Mount Mowiting BOLtA T4p 4oa Smo&L Pump C*4 ELictutoniea Patk S isUek Tk&attlL Lbskaye JuatoaU 201 427 3845 4. GEA1 1RJCES *i AeAvict *Lt 4 ALIt GtMA puiovIi*t tvailab& Wit ARF elis $&Uon ICU Toaqe Mount 3t G4*LqAeA t-U TG *G S7 H49h Mountain Road Nonth Hafrdon Ne& Jweg 01508 best flown large slow props Examples can include some sailplanes Old Timers some scale jobsas rough categorization Thus likely find advantage geared systems such models other hand small fast models best matched up small fast-turning props An example would pylon racer Lets draw some mental pictures Imagine small screaming direct-drive prop very large lumbering OT Indeed plane might look act like motor test stand anything else Now imagine same plane larger slower fan moving large volumes air slowly Sounds better huh now picture same big low rpm prop front sleek pylon plane Looks wrong right Tis wrong too course always middle-range planes its necessarily clear what approach best Such middle models would likely very well either direct geared drive ie rather wide range props/rpm fact Skyvolt design Jan 90 seems Ive flown Continued page 142 & MODEL BUILDING 7ERVICE RADIO CONT1OL PRODUCJ3 carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN SIAM 0314 4 /2 08 / 04 K_ 2 12- / _ 6 42 n ii E think putting skIs military airplane Garry B&P Associates Gives Total Flight Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field February 1992 139 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 R/C Combat __________Sport Flying Flys hour V ideopost poid $1295 LIST $8995 800-264-7840 Kombat 40 member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembled engine mounted radio installed hourl Nothing extra buy provide 4 channel radio 25-40 engine supply everything else great sports plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs thot take 10-12 hours longer complete Kombat 40 true winner ORDER YOURS TODAY Trainer Version available $7495 Electrics/Kopski Continued page 139 model both ways find performance very close direct drive 15 twelve 900s 8 X 4 geared 05 eight 1200s turning 9 X 8 weight flying close either way Heres hoping perspective some help perplexing question gear gear Speaking ef Skyvelt brings mind several oft-repeated reader questions about Electric Plans design available MA Plans Service model also kitted manufacturer Todays Hobbies company also manufactures very impressive line stick tissue RC jet fighter designspopular kits since Desert happened Anyway since readers ask Id like say Im obviously familiar folks involved am personally associated company Other often asked questions concern Senior Skyvolt simply scaled up version original comparison original Skyvolt chord published eight inches Senior version 10 inches other dimensions similarly scaled no Senior version planned publication kitting though its best Electric have Finally have reproducible plans just some outline lines drawn cardboard Sorry thank everyone has inquired about points RC Electrics License Plate Contest announced July August 91 issues reminder Skyvolt kit prize readers favorite have until December 1992 send photo own vanity plate promoting Electric So far two readers have done just example shown July column Ill publish received once after closing date Readers can let know favorite Ill review Crash Resistantl 48 wingspan 4 5 inum Land n9 Gear 4 $2 pp/lst class free to$2000 addrequested 1st order $450] $2 Pace 1991 CATALOGUE sdd 375 $4501 b H0 P000 add $425 3 MdIAN STIA] t7000 add $500 aljf add 600%tax Sen BOX 2212 tO vISAMc i & Eap oWESTMINSTERCA 92884 heckslHours Mon-Fri 9AM 5PM Theck allow up 30 7141 893-B3llPhone iays tor clearance 714 895-6629 IFAX particulars unusual Electric contest once again several months now can dig out back issues see what its about EAAHelIo Out As best can telltheres no home anymore Electric Aeromodeling Association Ive always supported Electric endeavors such Special Interest Group SIG within AMAthe EAA before EAA short-lived SEAM last Januaryat membership renewal timeI just plain forgot send 91 EAA dues around June began wonder hadnt seen Continued page 144 AER5PACE Vacuum Bagging Headquarters Composite Products Weve Got COMPLETE System Complete EZ-Vac & EZ-Vac PRO Bagging Systems pump Bagging Tube Quick-Lock Bag Seals Iqs4 luggingmuVie Connector 8700 Quick-Lock Bagging Seals. No Vacuum AttachFitting/Valve. Messy Leaky Sticky Tapel PRO way attach vacuum lines bag Send $100 Complete Catalog Composite Building Materials Equipment & Supplies Visa & Master Card Accepted Aerospace Composite Products ox 16621 ne CA 92714 250-1107 FAX 714 250-0307 142 Model Aviation Hobby Horn hobby specialties MIDWAY MODEL CO Old Timer Kits c AND FF Hobby Horn discount prices MMC FULL KITS listed Futt Kits include cut parts plan strip sheet wood wire window material Kits marked have wire landrnear pre-bent 1938 rhouse 50p3596 1937 Loqo Cabin 78$4952 1939 IC Sportster 50$3596 1937 Quaker Flash 87$4784 1940 Buzzard Bombshell 50 span kit*3596 1937 Air Chief 613776 1940 New Ruler 74 ..I 1939 Thermic 100 Glider 1100 Span bi rer7472 Sailplane--modifications shown R/CI ------58623 P & W MODEL SERVICE Old Timer kits FF RIG following discount p rice full kits full kits clude cut parts plan stick sheet wood wire windshield material 1935 Miss America &4$7556 1936 Buccaneer 84$8296 1937 Dallaire 108$7992 1938 Clipper Mk 72$5596 1938 Kioud King 83$4448 1938 Powerhouse 84$5624 1936 Record Breaker 96$7304 1938 Trenton Terror 72$4280 1939 Korda wake 44$2012 1939 Mercury 72$6128 1939 Zipper 54 .... ....... $5624 1940 Ranger 46$3355 1940 Sailplane 78$8900 1940 So Long 50$3188 1941 Brigidier 56$4279 1941 Super Quaker 78$7640 1941 PlayboyJr 54$3272 1941 Playboy Sr 78$5372 1941 Brooklyn Dodner 56$4448 8 Martha Ct18305 Regency Woods Way Sumter SC 291501 Louisville KY 40220 803-775-6491 1502-491-4114 Kits include fiberglass fuselage vacuum-formed canopy F-ba Foam wings plans construction manual No wood included Accommodates Dynamax Byro-Jet Fans z CENTURYGIANT SCALE RETRACTS 30-50 lb Class- JET MODELS INCAvadabie standard T-6 AluminumNEW Chromoly StrutsI RELEASE Stainless scissorsI F-4 PHANTOM Selector Valve Air-ISend Tank Lines $275 pair ATALOG AVAILABLE KITS F-100 1/aScale Flying WT 115 lbs accessories Avail SPORT HAWK MK II New Intake Design Foam Cores 40-91 SYm Vert & Hoz Stabs No Cheater Hole 51 Wing 59 Length Basic Kit $189 F-lOS THUNDERCHIEF Length 7V 1 No Cheater Hole Fiberglass Fuselage Foam Cores Con struction Video Available c kit $239 F 0LU -Scale Main Retracts 22 Ounces Spare Parts 89-94 Deg Retract angle Air Tank Service/Selector Valve Airlines included $19999 EAA newsletters realized might have something fact no longer member immediately fired off three-years worth dues plus some additional $ request newsletter reprints may have missed Weeks months went heard nothing check cleared batik So wrote again inquiring status membership application check etc enclosed SASE make reply easier No response No check Nothing its now late October may draw own conclusions folks As meIm really worried Electric will just fine no home EAAthis because readers column seem have no interest anyway discussed December 91 issue However anyone can would shed some light apparent lights out situation Id very happy let readers know what real story Can anyone help Id like support SIG sure B-57 CANBERRA Wing SpansO Length 63 $18999 other modelers would like know before sending dues money too another column concludes Please include SASE letters youd like answer Have safe happy quiet Electri-flyin winter ] RC Pylon/Hager Continued page 52 10423 2 R Knepper 28 pts 10720 3 D Whiteaker 28 pts 10447 4 C Patizardi 22 pts 10807 5 M Tailman 22 pts 11069 6 J Dodd 22 pts 10774 7 R Cromer 21 pts 10887 8 D Green 20 pts 10453 9 J Ruh 17 pts 10910 10 T Scott 17 pts 11017 11 B Martin 16 pts 11436 12 D Bowman 15 pts 11388 13 B Belluomini 15 pts 13456 14 D Kane Jr 14 pts 10667 15 J Salisbury 12 pts 10726 16 E Spiker 12 pts 11159 17 R Gray 12 pts 11191 18 B Anderson 4 pts 11373 Six Meters RC have always wanted use six meters radio control flying read following taken 11th Lap Newsletter No Code Last December 13 1990 first no-code amateur radio operators license US approved FCC Bureau Chief Haller Commissioners Cross Quello Dugen Sykes Docket 90-55 establishes codeless license eliminating code requirement Technician class license first no-code license history US Amateur Radio ServiceContinued page 146 Upgrade Vision 8P 8SP transmitters Enhance Vision 8P 85P ATRCS SP7 module new version 30 upgrade upgrade increases number setups available 8 allows aircraft naming failsafe positions Futaba PPM FM receivers Upgrade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup information plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems LaboratorIes 238 So Hhliview Drive Milpitas CA 95035 408 946-4142 Name AArpcc City State ____ Zip 30 upgrades ______ x $9500 ________ Local CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $375 checkMaster Card VISA Card # Expires 144 Model Aviation RIC BEGINNERS very up-beaf hobby Once have soloed will probabty hooked life soloing fhe problem hobby loses least half its pofential fliers because fhey fail fo suc cessfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULTl disgrace hobby fhe aero modeling industry required police itself free fo call atrocity guided missile TRAINERl just some mosf ot fhe advertised trainers impossible beginner solo with help instuctorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly men tion real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST liME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S300 plus 45 postage EASE-OF-FLYING RATINGS OF RiC TRAINERS Over 40 currently available trainers evaluated cluding ARFs Also grades ease-of-building ex plains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn Guarantee money back say eye-opening candid enlighten ing time-saving money-saving frustration-sparing P/C publication have ever readl Testimonials available request JIm Waterman 3618 DeorfIeld Dr Dept M San AntonIo1 TX 78218
Edition: Model Aviation - 1992/02
Page Numbers: 50, 51, 134, 138, 139, 142, 144
THE ELECTRIC CONNECTION Service has single offering month Charles Simerka 11644150 CTN Jupiter Florida 33478 Charles has recently returned modeling after about 20 years absence has done Electric anxious find others nearby share joy quiet power brings please Look im up tell Charles Bob sent ya Its interesting note former modelers separated hobby decade two returning Electric routinely occurring story incoming mail Motor Noise seems have become column speciality Reader reaction recent columns addressing topical area has strongin way letters calls personal encounters last KRC meet have voiced gratitude info regarding capacitors motors October issue seems suggestions given time have worked well modelersand said fiberglass-structure e 5-17 being marketed Keith Mey Meys Hi Teck Hob- bies Model uses four Great Planes Gold Fire 550 ferrIte motors twenty-one 1500 mAh cells up about 11 lb retracts Keith estimates about three-minute flight time review column discussed presented photographic regarding installation capacitors motor brushes effective noise reduction therefore less motor-induced in-flight glitching Just some modelers grateful information given others provided additional information happened twice KRC affair Bob Johnson author chokes article August 91 issue RC Report recommended Heres nose end Senlorita seen KRC meet geared 25 cobalt nested between metal beam engine mounts held firmly top bottom formed metal straps shown Note brush clearance cut firewall Neat molded cowl slipped place Typical personalized charging set-ups seen KRC meet L Unknown modelers three Astro chargers other acces sories charge up out-of-plane packs right inside look soon-to-be announced high-teck charger SR Batteries Boss Larry Sribnick tells SR Smart Charger/Cycler microprocessor controlled can charge up 28 cells uses peak temper ature detection Charger reverse-polarity protected uses Sermos connectors has LCD display full upgradable programming 50 Model Aviation Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 The Electric Connection Service 2 Motor NoiseStill 3 Motor Size gain 4 Direct vs Geared Drive 5 Skyvolt 6 A ReminderThe License Plate Contest 7 EAAWhere Are Four Star 40 Ron Farkus powered geared 40 cobalt twenty-one 11 0O-mAh cells APC 12 x 10 fan Ron originally flew model 46 four-stroke wet power about five lb 19 oz loading Conversion brought gross up about seven lb 25 oz loading JEKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 RIC City mu . AvantiJekyll 120 Conquest ViLA-i Conquest 120Phoenix 8 CursorPhoenix 8/45 DesirePunch EU-lASkybolt Eclipseiiin Summit Iii Fresh AireSundowner Krier Kraft Worlds Firesr Fiberglass Prodicts Typhoon Jekyll 6096 Railroad Ave #FVortex Suisun Ca 94585 707-428-3119 707-421-2336 MASTERCARD/VISA ACCEPTED SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA reading also George Minnear Westmoreland Electric Soaring Society Pennsylvania both approached about fact recommended disc ceramic capacitors can less effective depending upon self resonance characteristics gentlemen correct advisory heres what means Bob George both talking about fact capacitors associated wire lead length form series-tuned circuit some frequency happens fall frequency band especially effective other hand resonance falls off frequency results may disappointing ie capacitors will doing best job have investigated behavior recommended Radio Shack parts using Grid Dip meteran instrument familiar ham radio operators early Vintage RCers Indeed found resonance falls generally between about 50 mHz 70 mHz depending capacitor lead length hope explore specific much greater detail future now let recommend make capacitor leads short possible greatest effectiveness much credibility above matter Id also like tell two modelers wanted install capacitors recommended reluctant disassemble motors shown October column turns out both gentlemen geared cobalts both ran capacitor leads brushes gear box mounting screwsobviously much too long lead length effectiveright Wrong happens both installations worked out just fine both modelers told great flying sans motorinduced glitches So what about apparent lead-length contradiction think its matter degree Short leads would definitely best longer ones apparenfly better what before fact adequate particular installations its also possible certain other installations long lead approach would work As Ive said times cures work cases general patient efforts effect motor noise control will nearly always bring noticeable results Often its matter finding approach rather combinations cures before results become appreciable since may layered problems just show varied approaches can further input Dennis Vollrath gentleman referenced December column may recall Dennis experienced problems what turned out speed control switching transients getting receiver subsequenfly shielded latter foil Now Dennis has found offending emissions some power system wiring can greatly reduced twisting wire pairs such both battery wires both motor wires etc described single simple modification increased 100% range particular 40powered craft Just trick bag thereof Thanks again Dennis Earlier mentioned Bob Johnsons RC Report article chokes article Bob described application toroidal cores motor other power system wiring listed supplier cores fact sent some turns out Amidon Associates supplier moved since Bobs article came out heres new address Amidon Associates PO Box 956 Torrance CA 90508 core prices Bob gave have also changed heres latest FT 50-43 February 1992 51 DESIRL Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 UNUULI VI Wing Span 66Weigfht 80-85 Lbs Wing Area 840Engine 60 YI-MUUN Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900, Engine 120 Continued page 134 Home-made battery cooling device Bob Shipton Detroit Bob Electric Flyers Only Club says several members using design cool packs between flights charges Assembly consists Radio Shack 3-In blower No 273-243B Housing clear acrylic Similar design used Steve Neu appeared made PVC plumbing pipe Electrics/Kopski Continued page 51 $075 FT 82-43$120 FT 114-43 $225 Postage $400 Now convenience reference list recent Model Aviation RC Electrics columns have discussed motor noise problems solutions 12/89 1/90 8/90 9/90 2/91 10/91 12/9 1 discussion several columns predating earliest listed above much coverage has repeated updated recent issues Motor Size what means has topical pursuit columnist years particular Ive often lamented fact exist no motor size standards within model hobby both difficult frustrating modelers compare products often simply choose right motor Indeed popular reader questions continues concern about motor/which plane Electric has certainly matured rapidly recent years evidence can found last months coverage 91 KRC meet modelers rapidly catching fact Electric just gliders modelers doing some very impressive things quiet power source Yet motor descriptions ratings names remain firmly Dark Agesthose days Electric just gliders Probably familiar motor size nomenclature introduced Astro Flight early 70s time fledgling company 10 25 soon followed can 05 expressions intended roughly categorize motors sport glow engine equivalents Thus early 05 would thought turning 6 X 3 6 X 4not unlike 049 glow engineand about same rpm just naturally leads us question todays Astro 05a cobalt far removed early can motor its abilities limitations Join squadron Brand new squadron markings. Available 1/8 1/6 & 1/4 scales Setd es always something new major decals orkssquadron insignias NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01020 TEL 413-5254110 FAX 413-525-PBS /C GOODIES Cochran St Suite 281805 581-5061 Stint Valley Ca 93065 BuILDING ACCESSORIES #2 SPAN NOW IN 36 & 72LENGTHS APPLY W APPLY NON-TOXIC BALSALOC ADHESIVE TO FRAME WITH SMALL DAMP SPONGE ALLOW TO DRYTHEN AFFIX LITESPAN WITH IRON NK WITH IRON OR HEAT GUN 20 x 36 TS SPEC $250 20 x 72 SPEC $500 110 GRAM BALSALOC REG $400 SPEC$325 S&HTO7SHTS 20X360R45HT520X72 SPAN LSALOC $300 S & H TO LE THIS QUANTITY $500 SANEW EDGE ON YOUR NO 11DUAL BLADE EXACTOORSHARPENER UBER BLADES ECONDS BLADE REPLACEMENTS SAVESTIMEAND OND EDJER REG $1500 SPEC $1275 ARKANSAS STONE REG $1100 SPEC S925 MIC EDJER REG $850 SPEC $725 $175 SHIPPING & HANDLING SEE BROCHURE FOR OTHER MODELS PRICES ARE CASH CARDS 6% MORE 20% DEPOSIT-COD Consider example Vintage Esquire weighing about 54 oz pulled geared 05 eight cells Im confident that plane would move through air glow 049 because flew wet power over quarter century Some readers have told size comparison glow engines good because its easy comparison may okay its accurate comparison youre modeler familiar wet power first place consider new modeler just entering hobbywith first experience being Electric person has no wet Continued page 138 Original E-Z UP Sun Shelters H I- 0 8x8'10xlO'10x15 1 Other sizes accessones Sets up less 60 colors custom logos secondsl No ropes lollering avalIab nothin assemble! -0O0 131 RAvENWOOD Ro VERSAILLES KY 40383 134 Model Aviation JUl11 -UJI flY VI VERA GES 0 VER 9000 PROPS I! IMMEDIATESHIPMENTON VISA/MC SPECIALISTSINCUSTOMCOX TEE DEE& REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRANDS OFGLOWPLUGS HARD-TO-FINDHARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARK PLUGS SILK8 COLORS QUALITYDOPEBRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUEAND OTHER SUPPLIES CYANOACRYLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS LV ** 4620 CRANDALLLANESVILLE RD CORYDON INDIANA 47112 ** Large selection Remote Control Model Airplanes protessional LISTED BELOW In Business since 1973 PRICES SUBJECT TO CHANGE WITHOUT NOTICE IS JUST FEW OF THE MFG WE STOCK HOURS MONDAYTHRUTHURSDAY9AM-SPM FRIDAY 9AM-2PM A-JUSTOJiGFOXCLOSED SATURDAY& AMBROIDFUTABASONIc-TRONIcS ARCORUBBERBANDSGOLDBERGSTERLING BRIDiGAS MODEL PRODSULLIVAN DAVEYS SYSTEMSHALLcOTOP FLITE COVE RITEHOBBYPOXYVS ENGINES ited Quantity OEVcONHOT STUFFLANIER DREMELK&BMFGMILLERSTAFFORDSCALE DU-BROSIGNORTHEAST DYNAFILITESAITOZINGER PROPSB-24 $300OC ENGINES 4 19-25 WINGSPAN 9Oincbes 0 STAFFORD AIRCOUPE $9995 complete listing etc please send stamped self-address enve lope DEALERS WANTED F K KITSIGLs NStickum arf/fibass IFlsrbt boxI fuseLage trics/Kopski Continued page 134 reference 15 wet means nothing him Fundamentally must question comparison should needed Surely early model fuel engines appeared nothing compare did early modelers know what kind plane put 19 learned Ive good fortune knowing very large numbers modelers can tell modelers definitely dumb Yes some unfamiliar technical things may bit scary anyone initially no reason whywith little insight little experience modeler could readily associate right Electric motor modelif some meaningful motor size standard placejust like modelers days gone did new-fangled model gas engines have long advocated use input power expressed watts both suitable fully appropriate approach problem Input power watts simply arithmetic multiplication motor voltage volts input current amps Both quantities readily measurable modeler simple equipment would easy manufacturer describe motor capability watts proviso motor properly used simply means motor would used appropriate propellers run within recommended rpm range once modeler just little exposure what watts example model growth point would very difficult After real modelers know what happens jump 25 40 wet planeright course above discussion somewhat simplified interested manufacturers would have some work to suitably describe motors watts anything else because would have some standardsuch motor life exampleto give meaning such rating example some motors may genuine candidate 100-watt rating everyone knows can add cell pitch diameter force over-100watt motor What happens between affects motor life Thus example very good motor life may expected 100-watt operating conditions deteriorating motor life may occur power pressed upward starters about 100-hour continuous duty 70 0F free air possible standard Anybody out have other ideas later Direct vs geared motors also continues hot topic within reader letters Personally prefer think geared motors rather geared propellers effect gearing changes size prop does change size motor Heres what mean motor motor motor basic electro-mechanical make-up unaffected what put armature shaft does matter motor driving small prop directly large prop gears attached appropriate concern prop plane combination Gearing mechanical way potentially achieving best match prop plane As generalization large slow models 138 Model Aviation PLEASE CALL FOR SPECIALS oi THE MONTH Plane complete witi full-size patterns material list step-bystep instructjons end color photographs PLANS NOW AVAILABLE Esy-to-build WORLD WAR SPAD RED BARON Pedal Planes littie pilot age 3 6 will love Ue unique estiting toy Plans $1495 US ft Canada Specify plans desired FL Res add 6% tea Add $300 P ft H. FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 305432-5196 Consuucoon massnare twoco wneers naroUOare etcl available lumber hardware outlete Some parts available r5adynrade desired Ust induded witir plans WHY PAY SACHS DOLMAR PRICES FOR IMITATION . WREN YOU CAN HAVE 100 % SACHS DOLMAR . OJSTOMIZED BY TG MFG LEU7Mf LIOTW WARRANTY AS LONG AS P*CIIASIER OWLS ENG1N MZ eitinu 0ampLefr Mady mount nc1udL A*44i Mto* Mount Mowiting BOLtA T4p 4oa Smo&L Pump C*4 ELictutoniea Patk S isUek Tk&attlL Lbskaye JuatoaU 201 427 3845 4. GEA1 1RJCES *i AeAvict *Lt 4 ALIt GtMA puiovIi*t tvailab& Wit ARF elis $&Uon ICU Toaqe Mount 3t G4*LqAeA t-U TG *G S7 H49h Mountain Road Nonth Hafrdon Ne& Jweg 01508 best flown large slow props Examples can include some sailplanes Old Timers some scale jobsas rough categorization Thus likely find advantage geared systems such models other hand small fast models best matched up small fast-turning props An example would pylon racer Lets draw some mental pictures Imagine small screaming direct-drive prop very large lumbering OT Indeed plane might look act like motor test stand anything else Now imagine same plane larger slower fan moving large volumes air slowly Sounds better huh now picture same big low rpm prop front sleek pylon plane Looks wrong right Tis wrong too course always middle-range planes its necessarily clear what approach best Such middle models would likely very well either direct geared drive ie rather wide range props/rpm fact Skyvolt design Jan 90 seems Ive flown Continued page 142 & MODEL BUILDING 7ERVICE RADIO CONT1OL PRODUCJ3 carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN SIAM 0314 4 /2 08 / 04 K_ 2 12- / _ 6 42 n ii E think putting skIs military airplane Garry B&P Associates Gives Total Flight Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field February 1992 139 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 R/C Combat __________Sport Flying Flys hour V ideopost poid $1295 LIST $8995 800-264-7840 Kombat 40 member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembled engine mounted radio installed hourl Nothing extra buy provide 4 channel radio 25-40 engine supply everything else great sports plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs thot take 10-12 hours longer complete Kombat 40 true winner ORDER YOURS TODAY Trainer Version available $7495 Electrics/Kopski Continued page 139 model both ways find performance very close direct drive 15 twelve 900s 8 X 4 geared 05 eight 1200s turning 9 X 8 weight flying close either way Heres hoping perspective some help perplexing question gear gear Speaking ef Skyvelt brings mind several oft-repeated reader questions about Electric Plans design available MA Plans Service model also kitted manufacturer Todays Hobbies company also manufactures very impressive line stick tissue RC jet fighter designspopular kits since Desert happened Anyway since readers ask Id like say Im obviously familiar folks involved am personally associated company Other often asked questions concern Senior Skyvolt simply scaled up version original comparison original Skyvolt chord published eight inches Senior version 10 inches other dimensions similarly scaled no Senior version planned publication kitting though its best Electric have Finally have reproducible plans just some outline lines drawn cardboard Sorry thank everyone has inquired about points RC Electrics License Plate Contest announced July August 91 issues reminder Skyvolt kit prize readers favorite have until December 1992 send photo own vanity plate promoting Electric So far two readers have done just example shown July column Ill publish received once after closing date Readers can let know favorite Ill review Crash Resistantl 48 wingspan 4 5 inum Land n9 Gear 4 $2 pp/lst class free to$2000 addrequested 1st order $450] $2 Pace 1991 CATALOGUE sdd 375 $4501 b H0 P000 add $425 3 MdIAN STIA] t7000 add $500 aljf add 600%tax Sen BOX 2212 tO vISAMc i & Eap oWESTMINSTERCA 92884 heckslHours Mon-Fri 9AM 5PM Theck allow up 30 7141 893-B3llPhone iays tor clearance 714 895-6629 IFAX particulars unusual Electric contest once again several months now can dig out back issues see what its about EAAHelIo Out As best can telltheres no home anymore Electric Aeromodeling Association Ive always supported Electric endeavors such Special Interest Group SIG within AMAthe EAA before EAA short-lived SEAM last Januaryat membership renewal timeI just plain forgot send 91 EAA dues around June began wonder hadnt seen Continued page 144 AER5PACE Vacuum Bagging Headquarters Composite Products Weve Got COMPLETE System Complete EZ-Vac & EZ-Vac PRO Bagging Systems pump Bagging Tube Quick-Lock Bag Seals Iqs4 luggingmuVie Connector 8700 Quick-Lock Bagging Seals. No Vacuum AttachFitting/Valve. Messy Leaky Sticky Tapel PRO way attach vacuum lines bag Send $100 Complete Catalog Composite Building Materials Equipment & Supplies Visa & Master Card Accepted Aerospace Composite Products ox 16621 ne CA 92714 250-1107 FAX 714 250-0307 142 Model Aviation Hobby Horn hobby specialties MIDWAY MODEL CO Old Timer Kits c AND FF Hobby Horn discount prices MMC FULL KITS listed Futt Kits include cut parts plan strip sheet wood wire window material Kits marked have wire landrnear pre-bent 1938 rhouse 50p3596 1937 Loqo Cabin 78$4952 1939 IC Sportster 50$3596 1937 Quaker Flash 87$4784 1940 Buzzard Bombshell 50 span kit*3596 1937 Air Chief 613776 1940 New Ruler 74 ..I 1939 Thermic 100 Glider 1100 Span bi rer7472 Sailplane--modifications shown R/CI ------58623 P & W MODEL SERVICE Old Timer kits FF RIG following discount p rice full kits full kits clude cut parts plan stick sheet wood wire windshield material 1935 Miss America &4$7556 1936 Buccaneer 84$8296 1937 Dallaire 108$7992 1938 Clipper Mk 72$5596 1938 Kioud King 83$4448 1938 Powerhouse 84$5624 1936 Record Breaker 96$7304 1938 Trenton Terror 72$4280 1939 Korda wake 44$2012 1939 Mercury 72$6128 1939 Zipper 54 .... ....... $5624 1940 Ranger 46$3355 1940 Sailplane 78$8900 1940 So Long 50$3188 1941 Brigidier 56$4279 1941 Super Quaker 78$7640 1941 PlayboyJr 54$3272 1941 Playboy Sr 78$5372 1941 Brooklyn Dodner 56$4448 8 Martha Ct18305 Regency Woods Way Sumter SC 291501 Louisville KY 40220 803-775-6491 1502-491-4114 Kits include fiberglass fuselage vacuum-formed canopy F-ba Foam wings plans construction manual No wood included Accommodates Dynamax Byro-Jet Fans z CENTURYGIANT SCALE RETRACTS 30-50 lb Class- JET MODELS INCAvadabie standard T-6 AluminumNEW Chromoly StrutsI RELEASE Stainless scissorsI F-4 PHANTOM Selector Valve Air-ISend Tank Lines $275 pair ATALOG AVAILABLE KITS F-100 1/aScale Flying WT 115 lbs accessories Avail SPORT HAWK MK II New Intake Design Foam Cores 40-91 SYm Vert & Hoz Stabs No Cheater Hole 51 Wing 59 Length Basic Kit $189 F-lOS THUNDERCHIEF Length 7V 1 No Cheater Hole Fiberglass Fuselage Foam Cores Con struction Video Available c kit $239 F 0LU -Scale Main Retracts 22 Ounces Spare Parts 89-94 Deg Retract angle Air Tank Service/Selector Valve Airlines included $19999 EAA newsletters realized might have something fact no longer member immediately fired off three-years worth dues plus some additional $ request newsletter reprints may have missed Weeks months went heard nothing check cleared batik So wrote again inquiring status membership application check etc enclosed SASE make reply easier No response No check Nothing its now late October may draw own conclusions folks As meIm really worried Electric will just fine no home EAAthis because readers column seem have no interest anyway discussed December 91 issue However anyone can would shed some light apparent lights out situation Id very happy let readers know what real story Can anyone help Id like support SIG sure B-57 CANBERRA Wing SpansO Length 63 $18999 other modelers would like know before sending dues money too another column concludes Please include SASE letters youd like answer Have safe happy quiet Electri-flyin winter ] RC Pylon/Hager Continued page 52 10423 2 R Knepper 28 pts 10720 3 D Whiteaker 28 pts 10447 4 C Patizardi 22 pts 10807 5 M Tailman 22 pts 11069 6 J Dodd 22 pts 10774 7 R Cromer 21 pts 10887 8 D Green 20 pts 10453 9 J Ruh 17 pts 10910 10 T Scott 17 pts 11017 11 B Martin 16 pts 11436 12 D Bowman 15 pts 11388 13 B Belluomini 15 pts 13456 14 D Kane Jr 14 pts 10667 15 J Salisbury 12 pts 10726 16 E Spiker 12 pts 11159 17 R Gray 12 pts 11191 18 B Anderson 4 pts 11373 Six Meters RC have always wanted use six meters radio control flying read following taken 11th Lap Newsletter No Code Last December 13 1990 first no-code amateur radio operators license US approved FCC Bureau Chief Haller Commissioners Cross Quello Dugen Sykes Docket 90-55 establishes codeless license eliminating code requirement Technician class license first no-code license history US Amateur Radio ServiceContinued page 146 Upgrade Vision 8P 8SP transmitters Enhance Vision 8P 85P ATRCS SP7 module new version 30 upgrade upgrade increases number setups available 8 allows aircraft naming failsafe positions Futaba PPM FM receivers Upgrade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup information plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems LaboratorIes 238 So Hhliview Drive Milpitas CA 95035 408 946-4142 Name AArpcc City State ____ Zip 30 upgrades ______ x $9500 ________ Local CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $375 checkMaster Card VISA Card # Expires 144 Model Aviation RIC BEGINNERS very up-beaf hobby Once have soloed will probabty hooked life soloing fhe problem hobby loses least half its pofential fliers because fhey fail fo suc cessfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULTl disgrace hobby fhe aero modeling industry required police itself free fo call atrocity guided missile TRAINERl just some mosf ot fhe advertised trainers impossible beginner solo with help instuctorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly men tion real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST liME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S300 plus 45 postage EASE-OF-FLYING RATINGS OF RiC TRAINERS Over 40 currently available trainers evaluated cluding ARFs Also grades ease-of-building ex plains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn Guarantee money back say eye-opening candid enlighten ing time-saving money-saving frustration-sparing P/C publication have ever readl Testimonials available request JIm Waterman 3618 DeorfIeld Dr Dept M San AntonIo1 TX 78218
Edition: Model Aviation - 1992/02
Page Numbers: 50, 51, 134, 138, 139, 142, 144
THE ELECTRIC CONNECTION Service has single offering month Charles Simerka 11644150 CTN Jupiter Florida 33478 Charles has recently returned modeling after about 20 years absence has done Electric anxious find others nearby share joy quiet power brings please Look im up tell Charles Bob sent ya Its interesting note former modelers separated hobby decade two returning Electric routinely occurring story incoming mail Motor Noise seems have become column speciality Reader reaction recent columns addressing topical area has strongin way letters calls personal encounters last KRC meet have voiced gratitude info regarding capacitors motors October issue seems suggestions given time have worked well modelersand said fiberglass-structure e 5-17 being marketed Keith Mey Meys Hi Teck Hob- bies Model uses four Great Planes Gold Fire 550 ferrIte motors twenty-one 1500 mAh cells up about 11 lb retracts Keith estimates about three-minute flight time review column discussed presented photographic regarding installation capacitors motor brushes effective noise reduction therefore less motor-induced in-flight glitching Just some modelers grateful information given others provided additional information happened twice KRC affair Bob Johnson author chokes article August 91 issue RC Report recommended Heres nose end Senlorita seen KRC meet geared 25 cobalt nested between metal beam engine mounts held firmly top bottom formed metal straps shown Note brush clearance cut firewall Neat molded cowl slipped place Typical personalized charging set-ups seen KRC meet L Unknown modelers three Astro chargers other acces sories charge up out-of-plane packs right inside look soon-to-be announced high-teck charger SR Batteries Boss Larry Sribnick tells SR Smart Charger/Cycler microprocessor controlled can charge up 28 cells uses peak temper ature detection Charger reverse-polarity protected uses Sermos connectors has LCD display full upgradable programming 50 Model Aviation Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 The Electric Connection Service 2 Motor NoiseStill 3 Motor Size gain 4 Direct vs Geared Drive 5 Skyvolt 6 A ReminderThe License Plate Contest 7 EAAWhere Are Four Star 40 Ron Farkus powered geared 40 cobalt twenty-one 11 0O-mAh cells APC 12 x 10 fan Ron originally flew model 46 four-stroke wet power about five lb 19 oz loading Conversion brought gross up about seven lb 25 oz loading JEKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 RIC City mu . AvantiJekyll 120 Conquest ViLA-i Conquest 120Phoenix 8 CursorPhoenix 8/45 DesirePunch EU-lASkybolt Eclipseiiin Summit Iii Fresh AireSundowner Krier Kraft Worlds Firesr Fiberglass Prodicts Typhoon Jekyll 6096 Railroad Ave #FVortex Suisun Ca 94585 707-428-3119 707-421-2336 MASTERCARD/VISA ACCEPTED SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA reading also George Minnear Westmoreland Electric Soaring Society Pennsylvania both approached about fact recommended disc ceramic capacitors can less effective depending upon self resonance characteristics gentlemen correct advisory heres what means Bob George both talking about fact capacitors associated wire lead length form series-tuned circuit some frequency happens fall frequency band especially effective other hand resonance falls off frequency results may disappointing ie capacitors will doing best job have investigated behavior recommended Radio Shack parts using Grid Dip meteran instrument familiar ham radio operators early Vintage RCers Indeed found resonance falls generally between about 50 mHz 70 mHz depending capacitor lead length hope explore specific much greater detail future now let recommend make capacitor leads short possible greatest effectiveness much credibility above matter Id also like tell two modelers wanted install capacitors recommended reluctant disassemble motors shown October column turns out both gentlemen geared cobalts both ran capacitor leads brushes gear box mounting screwsobviously much too long lead length effectiveright Wrong happens both installations worked out just fine both modelers told great flying sans motorinduced glitches So what about apparent lead-length contradiction think its matter degree Short leads would definitely best longer ones apparenfly better what before fact adequate particular installations its also possible certain other installations long lead approach would work As Ive said times cures work cases general patient efforts effect motor noise control will nearly always bring noticeable results Often its matter finding approach rather combinations cures before results become appreciable since may layered problems just show varied approaches can further input Dennis Vollrath gentleman referenced December column may recall Dennis experienced problems what turned out speed control switching transients getting receiver subsequenfly shielded latter foil Now Dennis has found offending emissions some power system wiring can greatly reduced twisting wire pairs such both battery wires both motor wires etc described single simple modification increased 100% range particular 40powered craft Just trick bag thereof Thanks again Dennis Earlier mentioned Bob Johnsons RC Report article chokes article Bob described application toroidal cores motor other power system wiring listed supplier cores fact sent some turns out Amidon Associates supplier moved since Bobs article came out heres new address Amidon Associates PO Box 956 Torrance CA 90508 core prices Bob gave have also changed heres latest FT 50-43 February 1992 51 DESIRL Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 UNUULI VI Wing Span 66Weigfht 80-85 Lbs Wing Area 840Engine 60 YI-MUUN Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900, Engine 120 Continued page 134 Home-made battery cooling device Bob Shipton Detroit Bob Electric Flyers Only Club says several members using design cool packs between flights charges Assembly consists Radio Shack 3-In blower No 273-243B Housing clear acrylic Similar design used Steve Neu appeared made PVC plumbing pipe Electrics/Kopski Continued page 51 $075 FT 82-43$120 FT 114-43 $225 Postage $400 Now convenience reference list recent Model Aviation RC Electrics columns have discussed motor noise problems solutions 12/89 1/90 8/90 9/90 2/91 10/91 12/9 1 discussion several columns predating earliest listed above much coverage has repeated updated recent issues Motor Size what means has topical pursuit columnist years particular Ive often lamented fact exist no motor size standards within model hobby both difficult frustrating modelers compare products often simply choose right motor Indeed popular reader questions continues concern about motor/which plane Electric has certainly matured rapidly recent years evidence can found last months coverage 91 KRC meet modelers rapidly catching fact Electric just gliders modelers doing some very impressive things quiet power source Yet motor descriptions ratings names remain firmly Dark Agesthose days Electric just gliders Probably familiar motor size nomenclature introduced Astro Flight early 70s time fledgling company 10 25 soon followed can 05 expressions intended roughly categorize motors sport glow engine equivalents Thus early 05 would thought turning 6 X 3 6 X 4not unlike 049 glow engineand about same rpm just naturally leads us question todays Astro 05a cobalt far removed early can motor its abilities limitations Join squadron Brand new squadron markings. Available 1/8 1/6 & 1/4 scales Setd es always something new major decals orkssquadron insignias NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01020 TEL 413-5254110 FAX 413-525-PBS /C GOODIES Cochran St Suite 281805 581-5061 Stint Valley Ca 93065 BuILDING ACCESSORIES #2 SPAN NOW IN 36 & 72LENGTHS APPLY W APPLY NON-TOXIC BALSALOC ADHESIVE TO FRAME WITH SMALL DAMP SPONGE ALLOW TO DRYTHEN AFFIX LITESPAN WITH IRON NK WITH IRON OR HEAT GUN 20 x 36 TS SPEC $250 20 x 72 SPEC $500 110 GRAM BALSALOC REG $400 SPEC$325 S&HTO7SHTS 20X360R45HT520X72 SPAN LSALOC $300 S & H TO LE THIS QUANTITY $500 SANEW EDGE ON YOUR NO 11DUAL BLADE EXACTOORSHARPENER UBER BLADES ECONDS BLADE REPLACEMENTS SAVESTIMEAND OND EDJER REG $1500 SPEC $1275 ARKANSAS STONE REG $1100 SPEC S925 MIC EDJER REG $850 SPEC $725 $175 SHIPPING & HANDLING SEE BROCHURE FOR OTHER MODELS PRICES ARE CASH CARDS 6% MORE 20% DEPOSIT-COD Consider example Vintage Esquire weighing about 54 oz pulled geared 05 eight cells Im confident that plane would move through air glow 049 because flew wet power over quarter century Some readers have told size comparison glow engines good because its easy comparison may okay its accurate comparison youre modeler familiar wet power first place consider new modeler just entering hobbywith first experience being Electric person has no wet Continued page 138 Original E-Z UP Sun Shelters H I- 0 8x8'10xlO'10x15 1 Other sizes accessones Sets up less 60 colors custom logos secondsl No ropes lollering avalIab nothin assemble! -0O0 131 RAvENWOOD Ro VERSAILLES KY 40383 134 Model Aviation JUl11 -UJI flY VI VERA GES 0 VER 9000 PROPS I! IMMEDIATESHIPMENTON VISA/MC SPECIALISTSINCUSTOMCOX TEE DEE& REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRANDS OFGLOWPLUGS HARD-TO-FINDHARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARK PLUGS SILK8 COLORS QUALITYDOPEBRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUEAND OTHER SUPPLIES CYANOACRYLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS LV ** 4620 CRANDALLLANESVILLE RD CORYDON INDIANA 47112 ** Large selection Remote Control Model Airplanes protessional LISTED BELOW In Business since 1973 PRICES SUBJECT TO CHANGE WITHOUT NOTICE IS JUST FEW OF THE MFG WE STOCK HOURS MONDAYTHRUTHURSDAY9AM-SPM FRIDAY 9AM-2PM A-JUSTOJiGFOXCLOSED SATURDAY& AMBROIDFUTABASONIc-TRONIcS ARCORUBBERBANDSGOLDBERGSTERLING BRIDiGAS MODEL PRODSULLIVAN DAVEYS SYSTEMSHALLcOTOP FLITE COVE RITEHOBBYPOXYVS ENGINES ited Quantity OEVcONHOT STUFFLANIER DREMELK&BMFGMILLERSTAFFORDSCALE DU-BROSIGNORTHEAST DYNAFILITESAITOZINGER PROPSB-24 $300OC ENGINES 4 19-25 WINGSPAN 9Oincbes 0 STAFFORD AIRCOUPE $9995 complete listing etc please send stamped self-address enve lope DEALERS WANTED F K KITSIGLs NStickum arf/fibass IFlsrbt boxI fuseLage trics/Kopski Continued page 134 reference 15 wet means nothing him Fundamentally must question comparison should needed Surely early model fuel engines appeared nothing compare did early modelers know what kind plane put 19 learned Ive good fortune knowing very large numbers modelers can tell modelers definitely dumb Yes some unfamiliar technical things may bit scary anyone initially no reason whywith little insight little experience modeler could readily associate right Electric motor modelif some meaningful motor size standard placejust like modelers days gone did new-fangled model gas engines have long advocated use input power expressed watts both suitable fully appropriate approach problem Input power watts simply arithmetic multiplication motor voltage volts input current amps Both quantities readily measurable modeler simple equipment would easy manufacturer describe motor capability watts proviso motor properly used simply means motor would used appropriate propellers run within recommended rpm range once modeler just little exposure what watts example model growth point would very difficult After real modelers know what happens jump 25 40 wet planeright course above discussion somewhat simplified interested manufacturers would have some work to suitably describe motors watts anything else because would have some standardsuch motor life exampleto give meaning such rating example some motors may genuine candidate 100-watt rating everyone knows can add cell pitch diameter force over-100watt motor What happens between affects motor life Thus example very good motor life may expected 100-watt operating conditions deteriorating motor life may occur power pressed upward starters about 100-hour continuous duty 70 0F free air possible standard Anybody out have other ideas later Direct vs geared motors also continues hot topic within reader letters Personally prefer think geared motors rather geared propellers effect gearing changes size prop does change size motor Heres what mean motor motor motor basic electro-mechanical make-up unaffected what put armature shaft does matter motor driving small prop directly large prop gears attached appropriate concern prop plane combination Gearing mechanical way potentially achieving best match prop plane As generalization large slow models 138 Model Aviation PLEASE CALL FOR SPECIALS oi THE MONTH Plane complete witi full-size patterns material list step-bystep instructjons end color photographs PLANS NOW AVAILABLE Esy-to-build WORLD WAR SPAD RED BARON Pedal Planes littie pilot age 3 6 will love Ue unique estiting toy Plans $1495 US ft Canada Specify plans desired FL Res add 6% tea Add $300 P ft H. FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 305432-5196 Consuucoon massnare twoco wneers naroUOare etcl available lumber hardware outlete Some parts available r5adynrade desired Ust induded witir plans WHY PAY SACHS DOLMAR PRICES FOR IMITATION . WREN YOU CAN HAVE 100 % SACHS DOLMAR . OJSTOMIZED BY TG MFG LEU7Mf LIOTW WARRANTY AS LONG AS P*CIIASIER OWLS ENG1N MZ eitinu 0ampLefr Mady mount nc1udL A*44i Mto* Mount Mowiting BOLtA T4p 4oa Smo&L Pump C*4 ELictutoniea Patk S isUek Tk&attlL Lbskaye JuatoaU 201 427 3845 4. GEA1 1RJCES *i AeAvict *Lt 4 ALIt GtMA puiovIi*t tvailab& Wit ARF elis $&Uon ICU Toaqe Mount 3t G4*LqAeA t-U TG *G S7 H49h Mountain Road Nonth Hafrdon Ne& Jweg 01508 best flown large slow props Examples can include some sailplanes Old Timers some scale jobsas rough categorization Thus likely find advantage geared systems such models other hand small fast models best matched up small fast-turning props An example would pylon racer Lets draw some mental pictures Imagine small screaming direct-drive prop very large lumbering OT Indeed plane might look act like motor test stand anything else Now imagine same plane larger slower fan moving large volumes air slowly Sounds better huh now picture same big low rpm prop front sleek pylon plane Looks wrong right Tis wrong too course always middle-range planes its necessarily clear what approach best Such middle models would likely very well either direct geared drive ie rather wide range props/rpm fact Skyvolt design Jan 90 seems Ive flown Continued page 142 & MODEL BUILDING 7ERVICE RADIO CONT1OL PRODUCJ3 carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN SIAM 0314 4 /2 08 / 04 K_ 2 12- / _ 6 42 n ii E think putting skIs military airplane Garry B&P Associates Gives Total Flight Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field February 1992 139 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 R/C Combat __________Sport Flying Flys hour V ideopost poid $1295 LIST $8995 800-264-7840 Kombat 40 member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembled engine mounted radio installed hourl Nothing extra buy provide 4 channel radio 25-40 engine supply everything else great sports plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs thot take 10-12 hours longer complete Kombat 40 true winner ORDER YOURS TODAY Trainer Version available $7495 Electrics/Kopski Continued page 139 model both ways find performance very close direct drive 15 twelve 900s 8 X 4 geared 05 eight 1200s turning 9 X 8 weight flying close either way Heres hoping perspective some help perplexing question gear gear Speaking ef Skyvelt brings mind several oft-repeated reader questions about Electric Plans design available MA Plans Service model also kitted manufacturer Todays Hobbies company also manufactures very impressive line stick tissue RC jet fighter designspopular kits since Desert happened Anyway since readers ask Id like say Im obviously familiar folks involved am personally associated company Other often asked questions concern Senior Skyvolt simply scaled up version original comparison original Skyvolt chord published eight inches Senior version 10 inches other dimensions similarly scaled no Senior version planned publication kitting though its best Electric have Finally have reproducible plans just some outline lines drawn cardboard Sorry thank everyone has inquired about points RC Electrics License Plate Contest announced July August 91 issues reminder Skyvolt kit prize readers favorite have until December 1992 send photo own vanity plate promoting Electric So far two readers have done just example shown July column Ill publish received once after closing date Readers can let know favorite Ill review Crash Resistantl 48 wingspan 4 5 inum Land n9 Gear 4 $2 pp/lst class free to$2000 addrequested 1st order $450] $2 Pace 1991 CATALOGUE sdd 375 $4501 b H0 P000 add $425 3 MdIAN STIA] t7000 add $500 aljf add 600%tax Sen BOX 2212 tO vISAMc i & Eap oWESTMINSTERCA 92884 heckslHours Mon-Fri 9AM 5PM Theck allow up 30 7141 893-B3llPhone iays tor clearance 714 895-6629 IFAX particulars unusual Electric contest once again several months now can dig out back issues see what its about EAAHelIo Out As best can telltheres no home anymore Electric Aeromodeling Association Ive always supported Electric endeavors such Special Interest Group SIG within AMAthe EAA before EAA short-lived SEAM last Januaryat membership renewal timeI just plain forgot send 91 EAA dues around June began wonder hadnt seen Continued page 144 AER5PACE Vacuum Bagging Headquarters Composite Products Weve Got COMPLETE System Complete EZ-Vac & EZ-Vac PRO Bagging Systems pump Bagging Tube Quick-Lock Bag Seals Iqs4 luggingmuVie Connector 8700 Quick-Lock Bagging Seals. No Vacuum AttachFitting/Valve. Messy Leaky Sticky Tapel PRO way attach vacuum lines bag Send $100 Complete Catalog Composite Building Materials Equipment & Supplies Visa & Master Card Accepted Aerospace Composite Products ox 16621 ne CA 92714 250-1107 FAX 714 250-0307 142 Model Aviation Hobby Horn hobby specialties MIDWAY MODEL CO Old Timer Kits c AND FF Hobby Horn discount prices MMC FULL KITS listed Futt Kits include cut parts plan strip sheet wood wire window material Kits marked have wire landrnear pre-bent 1938 rhouse 50p3596 1937 Loqo Cabin 78$4952 1939 IC Sportster 50$3596 1937 Quaker Flash 87$4784 1940 Buzzard Bombshell 50 span kit*3596 1937 Air Chief 613776 1940 New Ruler 74 ..I 1939 Thermic 100 Glider 1100 Span bi rer7472 Sailplane--modifications shown R/CI ------58623 P & W MODEL SERVICE Old Timer kits FF RIG following discount p rice full kits full kits clude cut parts plan stick sheet wood wire windshield material 1935 Miss America &4$7556 1936 Buccaneer 84$8296 1937 Dallaire 108$7992 1938 Clipper Mk 72$5596 1938 Kioud King 83$4448 1938 Powerhouse 84$5624 1936 Record Breaker 96$7304 1938 Trenton Terror 72$4280 1939 Korda wake 44$2012 1939 Mercury 72$6128 1939 Zipper 54 .... ....... $5624 1940 Ranger 46$3355 1940 Sailplane 78$8900 1940 So Long 50$3188 1941 Brigidier 56$4279 1941 Super Quaker 78$7640 1941 PlayboyJr 54$3272 1941 Playboy Sr 78$5372 1941 Brooklyn Dodner 56$4448 8 Martha Ct18305 Regency Woods Way Sumter SC 291501 Louisville KY 40220 803-775-6491 1502-491-4114 Kits include fiberglass fuselage vacuum-formed canopy F-ba Foam wings plans construction manual No wood included Accommodates Dynamax Byro-Jet Fans z CENTURYGIANT SCALE RETRACTS 30-50 lb Class- JET MODELS INCAvadabie standard T-6 AluminumNEW Chromoly StrutsI RELEASE Stainless scissorsI F-4 PHANTOM Selector Valve Air-ISend Tank Lines $275 pair ATALOG AVAILABLE KITS F-100 1/aScale Flying WT 115 lbs accessories Avail SPORT HAWK MK II New Intake Design Foam Cores 40-91 SYm Vert & Hoz Stabs No Cheater Hole 51 Wing 59 Length Basic Kit $189 F-lOS THUNDERCHIEF Length 7V 1 No Cheater Hole Fiberglass Fuselage Foam Cores Con struction Video Available c kit $239 F 0LU -Scale Main Retracts 22 Ounces Spare Parts 89-94 Deg Retract angle Air Tank Service/Selector Valve Airlines included $19999 EAA newsletters realized might have something fact no longer member immediately fired off three-years worth dues plus some additional $ request newsletter reprints may have missed Weeks months went heard nothing check cleared batik So wrote again inquiring status membership application check etc enclosed SASE make reply easier No response No check Nothing its now late October may draw own conclusions folks As meIm really worried Electric will just fine no home EAAthis because readers column seem have no interest anyway discussed December 91 issue However anyone can would shed some light apparent lights out situation Id very happy let readers know what real story Can anyone help Id like support SIG sure B-57 CANBERRA Wing SpansO Length 63 $18999 other modelers would like know before sending dues money too another column concludes Please include SASE letters youd like answer Have safe happy quiet Electri-flyin winter ] RC Pylon/Hager Continued page 52 10423 2 R Knepper 28 pts 10720 3 D Whiteaker 28 pts 10447 4 C Patizardi 22 pts 10807 5 M Tailman 22 pts 11069 6 J Dodd 22 pts 10774 7 R Cromer 21 pts 10887 8 D Green 20 pts 10453 9 J Ruh 17 pts 10910 10 T Scott 17 pts 11017 11 B Martin 16 pts 11436 12 D Bowman 15 pts 11388 13 B Belluomini 15 pts 13456 14 D Kane Jr 14 pts 10667 15 J Salisbury 12 pts 10726 16 E Spiker 12 pts 11159 17 R Gray 12 pts 11191 18 B Anderson 4 pts 11373 Six Meters RC have always wanted use six meters radio control flying read following taken 11th Lap Newsletter No Code Last December 13 1990 first no-code amateur radio operators license US approved FCC Bureau Chief Haller Commissioners Cross Quello Dugen Sykes Docket 90-55 establishes codeless license eliminating code requirement Technician class license first no-code license history US Amateur Radio ServiceContinued page 146 Upgrade Vision 8P 8SP transmitters Enhance Vision 8P 85P ATRCS SP7 module new version 30 upgrade upgrade increases number setups available 8 allows aircraft naming failsafe positions Futaba PPM FM receivers Upgrade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup information plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems LaboratorIes 238 So Hhliview Drive Milpitas CA 95035 408 946-4142 Name AArpcc City State ____ Zip 30 upgrades ______ x $9500 ________ Local CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $375 checkMaster Card VISA Card # Expires 144 Model Aviation RIC BEGINNERS very up-beaf hobby Once have soloed will probabty hooked life soloing fhe problem hobby loses least half its pofential fliers because fhey fail fo suc cessfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULTl disgrace hobby fhe aero modeling industry required police itself free fo call atrocity guided missile TRAINERl just some mosf ot fhe advertised trainers impossible beginner solo with help instuctorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly men tion real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST liME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S300 plus 45 postage EASE-OF-FLYING RATINGS OF RiC TRAINERS Over 40 currently available trainers evaluated cluding ARFs Also grades ease-of-building ex plains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn Guarantee money back say eye-opening candid enlighten ing time-saving money-saving frustration-sparing P/C publication have ever readl Testimonials available request JIm Waterman 3618 DeorfIeld Dr Dept M San AntonIo1 TX 78218
Edition: Model Aviation - 1992/02
Page Numbers: 50, 51, 134, 138, 139, 142, 144
THE ELECTRIC CONNECTION Service has single offering month Charles Simerka 11644150 CTN Jupiter Florida 33478 Charles has recently returned modeling after about 20 years absence has done Electric anxious find others nearby share joy quiet power brings please Look im up tell Charles Bob sent ya Its interesting note former modelers separated hobby decade two returning Electric routinely occurring story incoming mail Motor Noise seems have become column speciality Reader reaction recent columns addressing topical area has strongin way letters calls personal encounters last KRC meet have voiced gratitude info regarding capacitors motors October issue seems suggestions given time have worked well modelersand said fiberglass-structure e 5-17 being marketed Keith Mey Meys Hi Teck Hob- bies Model uses four Great Planes Gold Fire 550 ferrIte motors twenty-one 1500 mAh cells up about 11 lb retracts Keith estimates about three-minute flight time review column discussed presented photographic regarding installation capacitors motor brushes effective noise reduction therefore less motor-induced in-flight glitching Just some modelers grateful information given others provided additional information happened twice KRC affair Bob Johnson author chokes article August 91 issue RC Report recommended Heres nose end Senlorita seen KRC meet geared 25 cobalt nested between metal beam engine mounts held firmly top bottom formed metal straps shown Note brush clearance cut firewall Neat molded cowl slipped place Typical personalized charging set-ups seen KRC meet L Unknown modelers three Astro chargers other acces sories charge up out-of-plane packs right inside look soon-to-be announced high-teck charger SR Batteries Boss Larry Sribnick tells SR Smart Charger/Cycler microprocessor controlled can charge up 28 cells uses peak temper ature detection Charger reverse-polarity protected uses Sermos connectors has LCD display full upgradable programming 50 Model Aviation Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 The Electric Connection Service 2 Motor NoiseStill 3 Motor Size gain 4 Direct vs Geared Drive 5 Skyvolt 6 A ReminderThe License Plate Contest 7 EAAWhere Are Four Star 40 Ron Farkus powered geared 40 cobalt twenty-one 11 0O-mAh cells APC 12 x 10 fan Ron originally flew model 46 four-stroke wet power about five lb 19 oz loading Conversion brought gross up about seven lb 25 oz loading JEKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 RIC City mu . AvantiJekyll 120 Conquest ViLA-i Conquest 120Phoenix 8 CursorPhoenix 8/45 DesirePunch EU-lASkybolt Eclipseiiin Summit Iii Fresh AireSundowner Krier Kraft Worlds Firesr Fiberglass Prodicts Typhoon Jekyll 6096 Railroad Ave #FVortex Suisun Ca 94585 707-428-3119 707-421-2336 MASTERCARD/VISA ACCEPTED SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA reading also George Minnear Westmoreland Electric Soaring Society Pennsylvania both approached about fact recommended disc ceramic capacitors can less effective depending upon self resonance characteristics gentlemen correct advisory heres what means Bob George both talking about fact capacitors associated wire lead length form series-tuned circuit some frequency happens fall frequency band especially effective other hand resonance falls off frequency results may disappointing ie capacitors will doing best job have investigated behavior recommended Radio Shack parts using Grid Dip meteran instrument familiar ham radio operators early Vintage RCers Indeed found resonance falls generally between about 50 mHz 70 mHz depending capacitor lead length hope explore specific much greater detail future now let recommend make capacitor leads short possible greatest effectiveness much credibility above matter Id also like tell two modelers wanted install capacitors recommended reluctant disassemble motors shown October column turns out both gentlemen geared cobalts both ran capacitor leads brushes gear box mounting screwsobviously much too long lead length effectiveright Wrong happens both installations worked out just fine both modelers told great flying sans motorinduced glitches So what about apparent lead-length contradiction think its matter degree Short leads would definitely best longer ones apparenfly better what before fact adequate particular installations its also possible certain other installations long lead approach would work As Ive said times cures work cases general patient efforts effect motor noise control will nearly always bring noticeable results Often its matter finding approach rather combinations cures before results become appreciable since may layered problems just show varied approaches can further input Dennis Vollrath gentleman referenced December column may recall Dennis experienced problems what turned out speed control switching transients getting receiver subsequenfly shielded latter foil Now Dennis has found offending emissions some power system wiring can greatly reduced twisting wire pairs such both battery wires both motor wires etc described single simple modification increased 100% range particular 40powered craft Just trick bag thereof Thanks again Dennis Earlier mentioned Bob Johnsons RC Report article chokes article Bob described application toroidal cores motor other power system wiring listed supplier cores fact sent some turns out Amidon Associates supplier moved since Bobs article came out heres new address Amidon Associates PO Box 956 Torrance CA 90508 core prices Bob gave have also changed heres latest FT 50-43 February 1992 51 DESIRL Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 UNUULI VI Wing Span 66Weigfht 80-85 Lbs Wing Area 840Engine 60 YI-MUUN Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900, Engine 120 Continued page 134 Home-made battery cooling device Bob Shipton Detroit Bob Electric Flyers Only Club says several members using design cool packs between flights charges Assembly consists Radio Shack 3-In blower No 273-243B Housing clear acrylic Similar design used Steve Neu appeared made PVC plumbing pipe Electrics/Kopski Continued page 51 $075 FT 82-43$120 FT 114-43 $225 Postage $400 Now convenience reference list recent Model Aviation RC Electrics columns have discussed motor noise problems solutions 12/89 1/90 8/90 9/90 2/91 10/91 12/9 1 discussion several columns predating earliest listed above much coverage has repeated updated recent issues Motor Size what means has topical pursuit columnist years particular Ive often lamented fact exist no motor size standards within model hobby both difficult frustrating modelers compare products often simply choose right motor Indeed popular reader questions continues concern about motor/which plane Electric has certainly matured rapidly recent years evidence can found last months coverage 91 KRC meet modelers rapidly catching fact Electric just gliders modelers doing some very impressive things quiet power source Yet motor descriptions ratings names remain firmly Dark Agesthose days Electric just gliders Probably familiar motor size nomenclature introduced Astro Flight early 70s time fledgling company 10 25 soon followed can 05 expressions intended roughly categorize motors sport glow engine equivalents Thus early 05 would thought turning 6 X 3 6 X 4not unlike 049 glow engineand about same rpm just naturally leads us question todays Astro 05a cobalt far removed early can motor its abilities limitations Join squadron Brand new squadron markings. Available 1/8 1/6 & 1/4 scales Setd es always something new major decals orkssquadron insignias NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01020 TEL 413-5254110 FAX 413-525-PBS /C GOODIES Cochran St Suite 281805 581-5061 Stint Valley Ca 93065 BuILDING ACCESSORIES #2 SPAN NOW IN 36 & 72LENGTHS APPLY W APPLY NON-TOXIC BALSALOC ADHESIVE TO FRAME WITH SMALL DAMP SPONGE ALLOW TO DRYTHEN AFFIX LITESPAN WITH IRON NK WITH IRON OR HEAT GUN 20 x 36 TS SPEC $250 20 x 72 SPEC $500 110 GRAM BALSALOC REG $400 SPEC$325 S&HTO7SHTS 20X360R45HT520X72 SPAN LSALOC $300 S & H TO LE THIS QUANTITY $500 SANEW EDGE ON YOUR NO 11DUAL BLADE EXACTOORSHARPENER UBER BLADES ECONDS BLADE REPLACEMENTS SAVESTIMEAND OND EDJER REG $1500 SPEC $1275 ARKANSAS STONE REG $1100 SPEC S925 MIC EDJER REG $850 SPEC $725 $175 SHIPPING & HANDLING SEE BROCHURE FOR OTHER MODELS PRICES ARE CASH CARDS 6% MORE 20% DEPOSIT-COD Consider example Vintage Esquire weighing about 54 oz pulled geared 05 eight cells Im confident that plane would move through air glow 049 because flew wet power over quarter century Some readers have told size comparison glow engines good because its easy comparison may okay its accurate comparison youre modeler familiar wet power first place consider new modeler just entering hobbywith first experience being Electric person has no wet Continued page 138 Original E-Z UP Sun Shelters H I- 0 8x8'10xlO'10x15 1 Other sizes accessones Sets up less 60 colors custom logos secondsl No ropes lollering avalIab nothin assemble! -0O0 131 RAvENWOOD Ro VERSAILLES KY 40383 134 Model Aviation JUl11 -UJI flY VI VERA GES 0 VER 9000 PROPS I! IMMEDIATESHIPMENTON VISA/MC SPECIALISTSINCUSTOMCOX TEE DEE& REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRANDS OFGLOWPLUGS HARD-TO-FINDHARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARK PLUGS SILK8 COLORS QUALITYDOPEBRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUEAND OTHER SUPPLIES CYANOACRYLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS LV ** 4620 CRANDALLLANESVILLE RD CORYDON INDIANA 47112 ** Large selection Remote Control Model Airplanes protessional LISTED BELOW In Business since 1973 PRICES SUBJECT TO CHANGE WITHOUT NOTICE IS JUST FEW OF THE MFG WE STOCK HOURS MONDAYTHRUTHURSDAY9AM-SPM FRIDAY 9AM-2PM A-JUSTOJiGFOXCLOSED SATURDAY& AMBROIDFUTABASONIc-TRONIcS ARCORUBBERBANDSGOLDBERGSTERLING BRIDiGAS MODEL PRODSULLIVAN DAVEYS SYSTEMSHALLcOTOP FLITE COVE RITEHOBBYPOXYVS ENGINES ited Quantity OEVcONHOT STUFFLANIER DREMELK&BMFGMILLERSTAFFORDSCALE DU-BROSIGNORTHEAST DYNAFILITESAITOZINGER PROPSB-24 $300OC ENGINES 4 19-25 WINGSPAN 9Oincbes 0 STAFFORD AIRCOUPE $9995 complete listing etc please send stamped self-address enve lope DEALERS WANTED F K KITSIGLs NStickum arf/fibass IFlsrbt boxI fuseLage trics/Kopski Continued page 134 reference 15 wet means nothing him Fundamentally must question comparison should needed Surely early model fuel engines appeared nothing compare did early modelers know what kind plane put 19 learned Ive good fortune knowing very large numbers modelers can tell modelers definitely dumb Yes some unfamiliar technical things may bit scary anyone initially no reason whywith little insight little experience modeler could readily associate right Electric motor modelif some meaningful motor size standard placejust like modelers days gone did new-fangled model gas engines have long advocated use input power expressed watts both suitable fully appropriate approach problem Input power watts simply arithmetic multiplication motor voltage volts input current amps Both quantities readily measurable modeler simple equipment would easy manufacturer describe motor capability watts proviso motor properly used simply means motor would used appropriate propellers run within recommended rpm range once modeler just little exposure what watts example model growth point would very difficult After real modelers know what happens jump 25 40 wet planeright course above discussion somewhat simplified interested manufacturers would have some work to suitably describe motors watts anything else because would have some standardsuch motor life exampleto give meaning such rating example some motors may genuine candidate 100-watt rating everyone knows can add cell pitch diameter force over-100watt motor What happens between affects motor life Thus example very good motor life may expected 100-watt operating conditions deteriorating motor life may occur power pressed upward starters about 100-hour continuous duty 70 0F free air possible standard Anybody out have other ideas later Direct vs geared motors also continues hot topic within reader letters Personally prefer think geared motors rather geared propellers effect gearing changes size prop does change size motor Heres what mean motor motor motor basic electro-mechanical make-up unaffected what put armature shaft does matter motor driving small prop directly large prop gears attached appropriate concern prop plane combination Gearing mechanical way potentially achieving best match prop plane As generalization large slow models 138 Model Aviation PLEASE CALL FOR SPECIALS oi THE MONTH Plane complete witi full-size patterns material list step-bystep instructjons end color photographs PLANS NOW AVAILABLE Esy-to-build WORLD WAR SPAD RED BARON Pedal Planes littie pilot age 3 6 will love Ue unique estiting toy Plans $1495 US ft Canada Specify plans desired FL Res add 6% tea Add $300 P ft H. FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 305432-5196 Consuucoon massnare twoco wneers naroUOare etcl available lumber hardware outlete Some parts available r5adynrade desired Ust induded witir plans WHY PAY SACHS DOLMAR PRICES FOR IMITATION . WREN YOU CAN HAVE 100 % SACHS DOLMAR . OJSTOMIZED BY TG MFG LEU7Mf LIOTW WARRANTY AS LONG AS P*CIIASIER OWLS ENG1N MZ eitinu 0ampLefr Mady mount nc1udL A*44i Mto* Mount Mowiting BOLtA T4p 4oa Smo&L Pump C*4 ELictutoniea Patk S isUek Tk&attlL Lbskaye JuatoaU 201 427 3845 4. GEA1 1RJCES *i AeAvict *Lt 4 ALIt GtMA puiovIi*t tvailab& Wit ARF elis $&Uon ICU Toaqe Mount 3t G4*LqAeA t-U TG *G S7 H49h Mountain Road Nonth Hafrdon Ne& Jweg 01508 best flown large slow props Examples can include some sailplanes Old Timers some scale jobsas rough categorization Thus likely find advantage geared systems such models other hand small fast models best matched up small fast-turning props An example would pylon racer Lets draw some mental pictures Imagine small screaming direct-drive prop very large lumbering OT Indeed plane might look act like motor test stand anything else Now imagine same plane larger slower fan moving large volumes air slowly Sounds better huh now picture same big low rpm prop front sleek pylon plane Looks wrong right Tis wrong too course always middle-range planes its necessarily clear what approach best Such middle models would likely very well either direct geared drive ie rather wide range props/rpm fact Skyvolt design Jan 90 seems Ive flown Continued page 142 & MODEL BUILDING 7ERVICE RADIO CONT1OL PRODUCJ3 carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN SIAM 0314 4 /2 08 / 04 K_ 2 12- / _ 6 42 n ii E think putting skIs military airplane Garry B&P Associates Gives Total Flight Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field February 1992 139 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 R/C Combat __________Sport Flying Flys hour V ideopost poid $1295 LIST $8995 800-264-7840 Kombat 40 member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembled engine mounted radio installed hourl Nothing extra buy provide 4 channel radio 25-40 engine supply everything else great sports plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs thot take 10-12 hours longer complete Kombat 40 true winner ORDER YOURS TODAY Trainer Version available $7495 Electrics/Kopski Continued page 139 model both ways find performance very close direct drive 15 twelve 900s 8 X 4 geared 05 eight 1200s turning 9 X 8 weight flying close either way Heres hoping perspective some help perplexing question gear gear Speaking ef Skyvelt brings mind several oft-repeated reader questions about Electric Plans design available MA Plans Service model also kitted manufacturer Todays Hobbies company also manufactures very impressive line stick tissue RC jet fighter designspopular kits since Desert happened Anyway since readers ask Id like say Im obviously familiar folks involved am personally associated company Other often asked questions concern Senior Skyvolt simply scaled up version original comparison original Skyvolt chord published eight inches Senior version 10 inches other dimensions similarly scaled no Senior version planned publication kitting though its best Electric have Finally have reproducible plans just some outline lines drawn cardboard Sorry thank everyone has inquired about points RC Electrics License Plate Contest announced July August 91 issues reminder Skyvolt kit prize readers favorite have until December 1992 send photo own vanity plate promoting Electric So far two readers have done just example shown July column Ill publish received once after closing date Readers can let know favorite Ill review Crash Resistantl 48 wingspan 4 5 inum Land n9 Gear 4 $2 pp/lst class free to$2000 addrequested 1st order $450] $2 Pace 1991 CATALOGUE sdd 375 $4501 b H0 P000 add $425 3 MdIAN STIA] t7000 add $500 aljf add 600%tax Sen BOX 2212 tO vISAMc i & Eap oWESTMINSTERCA 92884 heckslHours Mon-Fri 9AM 5PM Theck allow up 30 7141 893-B3llPhone iays tor clearance 714 895-6629 IFAX particulars unusual Electric contest once again several months now can dig out back issues see what its about EAAHelIo Out As best can telltheres no home anymore Electric Aeromodeling Association Ive always supported Electric endeavors such Special Interest Group SIG within AMAthe EAA before EAA short-lived SEAM last Januaryat membership renewal timeI just plain forgot send 91 EAA dues around June began wonder hadnt seen Continued page 144 AER5PACE Vacuum Bagging Headquarters Composite Products Weve Got COMPLETE System Complete EZ-Vac & EZ-Vac PRO Bagging Systems pump Bagging Tube Quick-Lock Bag Seals Iqs4 luggingmuVie Connector 8700 Quick-Lock Bagging Seals. No Vacuum AttachFitting/Valve. Messy Leaky Sticky Tapel PRO way attach vacuum lines bag Send $100 Complete Catalog Composite Building Materials Equipment & Supplies Visa & Master Card Accepted Aerospace Composite Products ox 16621 ne CA 92714 250-1107 FAX 714 250-0307 142 Model Aviation Hobby Horn hobby specialties MIDWAY MODEL CO Old Timer Kits c AND FF Hobby Horn discount prices MMC FULL KITS listed Futt Kits include cut parts plan strip sheet wood wire window material Kits marked have wire landrnear pre-bent 1938 rhouse 50p3596 1937 Loqo Cabin 78$4952 1939 IC Sportster 50$3596 1937 Quaker Flash 87$4784 1940 Buzzard Bombshell 50 span kit*3596 1937 Air Chief 613776 1940 New Ruler 74 ..I 1939 Thermic 100 Glider 1100 Span bi rer7472 Sailplane--modifications shown R/CI ------58623 P & W MODEL SERVICE Old Timer kits FF RIG following discount p rice full kits full kits clude cut parts plan stick sheet wood wire windshield material 1935 Miss America &4$7556 1936 Buccaneer 84$8296 1937 Dallaire 108$7992 1938 Clipper Mk 72$5596 1938 Kioud King 83$4448 1938 Powerhouse 84$5624 1936 Record Breaker 96$7304 1938 Trenton Terror 72$4280 1939 Korda wake 44$2012 1939 Mercury 72$6128 1939 Zipper 54 .... ....... $5624 1940 Ranger 46$3355 1940 Sailplane 78$8900 1940 So Long 50$3188 1941 Brigidier 56$4279 1941 Super Quaker 78$7640 1941 PlayboyJr 54$3272 1941 Playboy Sr 78$5372 1941 Brooklyn Dodner 56$4448 8 Martha Ct18305 Regency Woods Way Sumter SC 291501 Louisville KY 40220 803-775-6491 1502-491-4114 Kits include fiberglass fuselage vacuum-formed canopy F-ba Foam wings plans construction manual No wood included Accommodates Dynamax Byro-Jet Fans z CENTURYGIANT SCALE RETRACTS 30-50 lb Class- JET MODELS INCAvadabie standard T-6 AluminumNEW Chromoly StrutsI RELEASE Stainless scissorsI F-4 PHANTOM Selector Valve Air-ISend Tank Lines $275 pair ATALOG AVAILABLE KITS F-100 1/aScale Flying WT 115 lbs accessories Avail SPORT HAWK MK II New Intake Design Foam Cores 40-91 SYm Vert & Hoz Stabs No Cheater Hole 51 Wing 59 Length Basic Kit $189 F-lOS THUNDERCHIEF Length 7V 1 No Cheater Hole Fiberglass Fuselage Foam Cores Con struction Video Available c kit $239 F 0LU -Scale Main Retracts 22 Ounces Spare Parts 89-94 Deg Retract angle Air Tank Service/Selector Valve Airlines included $19999 EAA newsletters realized might have something fact no longer member immediately fired off three-years worth dues plus some additional $ request newsletter reprints may have missed Weeks months went heard nothing check cleared batik So wrote again inquiring status membership application check etc enclosed SASE make reply easier No response No check Nothing its now late October may draw own conclusions folks As meIm really worried Electric will just fine no home EAAthis because readers column seem have no interest anyway discussed December 91 issue However anyone can would shed some light apparent lights out situation Id very happy let readers know what real story Can anyone help Id like support SIG sure B-57 CANBERRA Wing SpansO Length 63 $18999 other modelers would like know before sending dues money too another column concludes Please include SASE letters youd like answer Have safe happy quiet Electri-flyin winter ] RC Pylon/Hager Continued page 52 10423 2 R Knepper 28 pts 10720 3 D Whiteaker 28 pts 10447 4 C Patizardi 22 pts 10807 5 M Tailman 22 pts 11069 6 J Dodd 22 pts 10774 7 R Cromer 21 pts 10887 8 D Green 20 pts 10453 9 J Ruh 17 pts 10910 10 T Scott 17 pts 11017 11 B Martin 16 pts 11436 12 D Bowman 15 pts 11388 13 B Belluomini 15 pts 13456 14 D Kane Jr 14 pts 10667 15 J Salisbury 12 pts 10726 16 E Spiker 12 pts 11159 17 R Gray 12 pts 11191 18 B Anderson 4 pts 11373 Six Meters RC have always wanted use six meters radio control flying read following taken 11th Lap Newsletter No Code Last December 13 1990 first no-code amateur radio operators license US approved FCC Bureau Chief Haller Commissioners Cross Quello Dugen Sykes Docket 90-55 establishes codeless license eliminating code requirement Technician class license first no-code license history US Amateur Radio ServiceContinued page 146 Upgrade Vision 8P 8SP transmitters Enhance Vision 8P 85P ATRCS SP7 module new version 30 upgrade upgrade increases number setups available 8 allows aircraft naming failsafe positions Futaba PPM FM receivers Upgrade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup information plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems LaboratorIes 238 So Hhliview Drive Milpitas CA 95035 408 946-4142 Name AArpcc City State ____ Zip 30 upgrades ______ x $9500 ________ Local CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $375 checkMaster Card VISA Card # Expires 144 Model Aviation RIC BEGINNERS very up-beaf hobby Once have soloed will probabty hooked life soloing fhe problem hobby loses least half its pofential fliers because fhey fail fo suc cessfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULTl disgrace hobby fhe aero modeling industry required police itself free fo call atrocity guided missile TRAINERl just some mosf ot fhe advertised trainers impossible beginner solo with help instuctorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly men tion real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST liME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S300 plus 45 postage EASE-OF-FLYING RATINGS OF RiC TRAINERS Over 40 currently available trainers evaluated cluding ARFs Also grades ease-of-building ex plains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn Guarantee money back say eye-opening candid enlighten ing time-saving money-saving frustration-sparing P/C publication have ever readl Testimonials available request JIm Waterman 3618 DeorfIeld Dr Dept M San AntonIo1 TX 78218
Edition: Model Aviation - 1992/02
Page Numbers: 50, 51, 134, 138, 139, 142, 144
THE ELECTRIC CONNECTION Service has single offering month Charles Simerka 11644150 CTN Jupiter Florida 33478 Charles has recently returned modeling after about 20 years absence has done Electric anxious find others nearby share joy quiet power brings please Look im up tell Charles Bob sent ya Its interesting note former modelers separated hobby decade two returning Electric routinely occurring story incoming mail Motor Noise seems have become column speciality Reader reaction recent columns addressing topical area has strongin way letters calls personal encounters last KRC meet have voiced gratitude info regarding capacitors motors October issue seems suggestions given time have worked well modelersand said fiberglass-structure e 5-17 being marketed Keith Mey Meys Hi Teck Hob- bies Model uses four Great Planes Gold Fire 550 ferrIte motors twenty-one 1500 mAh cells up about 11 lb retracts Keith estimates about three-minute flight time review column discussed presented photographic regarding installation capacitors motor brushes effective noise reduction therefore less motor-induced in-flight glitching Just some modelers grateful information given others provided additional information happened twice KRC affair Bob Johnson author chokes article August 91 issue RC Report recommended Heres nose end Senlorita seen KRC meet geared 25 cobalt nested between metal beam engine mounts held firmly top bottom formed metal straps shown Note brush clearance cut firewall Neat molded cowl slipped place Typical personalized charging set-ups seen KRC meet L Unknown modelers three Astro chargers other acces sories charge up out-of-plane packs right inside look soon-to-be announced high-teck charger SR Batteries Boss Larry Sribnick tells SR Smart Charger/Cycler microprocessor controlled can charge up 28 cells uses peak temper ature detection Charger reverse-polarity protected uses Sermos connectors has LCD display full upgradable programming 50 Model Aviation Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 The Electric Connection Service 2 Motor NoiseStill 3 Motor Size gain 4 Direct vs Geared Drive 5 Skyvolt 6 A ReminderThe License Plate Contest 7 EAAWhere Are Four Star 40 Ron Farkus powered geared 40 cobalt twenty-one 11 0O-mAh cells APC 12 x 10 fan Ron originally flew model 46 four-stroke wet power about five lb 19 oz loading Conversion brought gross up about seven lb 25 oz loading JEKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 RIC City mu . AvantiJekyll 120 Conquest ViLA-i Conquest 120Phoenix 8 CursorPhoenix 8/45 DesirePunch EU-lASkybolt Eclipseiiin Summit Iii Fresh AireSundowner Krier Kraft Worlds Firesr Fiberglass Prodicts Typhoon Jekyll 6096 Railroad Ave #FVortex Suisun Ca 94585 707-428-3119 707-421-2336 MASTERCARD/VISA ACCEPTED SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA reading also George Minnear Westmoreland Electric Soaring Society Pennsylvania both approached about fact recommended disc ceramic capacitors can less effective depending upon self resonance characteristics gentlemen correct advisory heres what means Bob George both talking about fact capacitors associated wire lead length form series-tuned circuit some frequency happens fall frequency band especially effective other hand resonance falls off frequency results may disappointing ie capacitors will doing best job have investigated behavior recommended Radio Shack parts using Grid Dip meteran instrument familiar ham radio operators early Vintage RCers Indeed found resonance falls generally between about 50 mHz 70 mHz depending capacitor lead length hope explore specific much greater detail future now let recommend make capacitor leads short possible greatest effectiveness much credibility above matter Id also like tell two modelers wanted install capacitors recommended reluctant disassemble motors shown October column turns out both gentlemen geared cobalts both ran capacitor leads brushes gear box mounting screwsobviously much too long lead length effectiveright Wrong happens both installations worked out just fine both modelers told great flying sans motorinduced glitches So what about apparent lead-length contradiction think its matter degree Short leads would definitely best longer ones apparenfly better what before fact adequate particular installations its also possible certain other installations long lead approach would work As Ive said times cures work cases general patient efforts effect motor noise control will nearly always bring noticeable results Often its matter finding approach rather combinations cures before results become appreciable since may layered problems just show varied approaches can further input Dennis Vollrath gentleman referenced December column may recall Dennis experienced problems what turned out speed control switching transients getting receiver subsequenfly shielded latter foil Now Dennis has found offending emissions some power system wiring can greatly reduced twisting wire pairs such both battery wires both motor wires etc described single simple modification increased 100% range particular 40powered craft Just trick bag thereof Thanks again Dennis Earlier mentioned Bob Johnsons RC Report article chokes article Bob described application toroidal cores motor other power system wiring listed supplier cores fact sent some turns out Amidon Associates supplier moved since Bobs article came out heres new address Amidon Associates PO Box 956 Torrance CA 90508 core prices Bob gave have also changed heres latest FT 50-43 February 1992 51 DESIRL Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 UNUULI VI Wing Span 66Weigfht 80-85 Lbs Wing Area 840Engine 60 YI-MUUN Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900, Engine 120 Continued page 134 Home-made battery cooling device Bob Shipton Detroit Bob Electric Flyers Only Club says several members using design cool packs between flights charges Assembly consists Radio Shack 3-In blower No 273-243B Housing clear acrylic Similar design used Steve Neu appeared made PVC plumbing pipe Electrics/Kopski Continued page 51 $075 FT 82-43$120 FT 114-43 $225 Postage $400 Now convenience reference list recent Model Aviation RC Electrics columns have discussed motor noise problems solutions 12/89 1/90 8/90 9/90 2/91 10/91 12/9 1 discussion several columns predating earliest listed above much coverage has repeated updated recent issues Motor Size what means has topical pursuit columnist years particular Ive often lamented fact exist no motor size standards within model hobby both difficult frustrating modelers compare products often simply choose right motor Indeed popular reader questions continues concern about motor/which plane Electric has certainly matured rapidly recent years evidence can found last months coverage 91 KRC meet modelers rapidly catching fact Electric just gliders modelers doing some very impressive things quiet power source Yet motor descriptions ratings names remain firmly Dark Agesthose days Electric just gliders Probably familiar motor size nomenclature introduced Astro Flight early 70s time fledgling company 10 25 soon followed can 05 expressions intended roughly categorize motors sport glow engine equivalents Thus early 05 would thought turning 6 X 3 6 X 4not unlike 049 glow engineand about same rpm just naturally leads us question todays Astro 05a cobalt far removed early can motor its abilities limitations Join squadron Brand new squadron markings. Available 1/8 1/6 & 1/4 scales Setd es always something new major decals orkssquadron insignias NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01020 TEL 413-5254110 FAX 413-525-PBS /C GOODIES Cochran St Suite 281805 581-5061 Stint Valley Ca 93065 BuILDING ACCESSORIES #2 SPAN NOW IN 36 & 72LENGTHS APPLY W APPLY NON-TOXIC BALSALOC ADHESIVE TO FRAME WITH SMALL DAMP SPONGE ALLOW TO DRYTHEN AFFIX LITESPAN WITH IRON NK WITH IRON OR HEAT GUN 20 x 36 TS SPEC $250 20 x 72 SPEC $500 110 GRAM BALSALOC REG $400 SPEC$325 S&HTO7SHTS 20X360R45HT520X72 SPAN LSALOC $300 S & H TO LE THIS QUANTITY $500 SANEW EDGE ON YOUR NO 11DUAL BLADE EXACTOORSHARPENER UBER BLADES ECONDS BLADE REPLACEMENTS SAVESTIMEAND OND EDJER REG $1500 SPEC $1275 ARKANSAS STONE REG $1100 SPEC S925 MIC EDJER REG $850 SPEC $725 $175 SHIPPING & HANDLING SEE BROCHURE FOR OTHER MODELS PRICES ARE CASH CARDS 6% MORE 20% DEPOSIT-COD Consider example Vintage Esquire weighing about 54 oz pulled geared 05 eight cells Im confident that plane would move through air glow 049 because flew wet power over quarter century Some readers have told size comparison glow engines good because its easy comparison may okay its accurate comparison youre modeler familiar wet power first place consider new modeler just entering hobbywith first experience being Electric person has no wet Continued page 138 Original E-Z UP Sun Shelters H I- 0 8x8'10xlO'10x15 1 Other sizes accessones Sets up less 60 colors custom logos secondsl No ropes lollering avalIab nothin assemble! -0O0 131 RAvENWOOD Ro VERSAILLES KY 40383 134 Model Aviation JUl11 -UJI flY VI VERA GES 0 VER 9000 PROPS I! IMMEDIATESHIPMENTON VISA/MC SPECIALISTSINCUSTOMCOX TEE DEE& REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRANDS OFGLOWPLUGS HARD-TO-FINDHARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARK PLUGS SILK8 COLORS QUALITYDOPEBRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUEAND OTHER SUPPLIES CYANOACRYLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS LV ** 4620 CRANDALLLANESVILLE RD CORYDON INDIANA 47112 ** Large selection Remote Control Model Airplanes protessional LISTED BELOW In Business since 1973 PRICES SUBJECT TO CHANGE WITHOUT NOTICE IS JUST FEW OF THE MFG WE STOCK HOURS MONDAYTHRUTHURSDAY9AM-SPM FRIDAY 9AM-2PM A-JUSTOJiGFOXCLOSED SATURDAY& AMBROIDFUTABASONIc-TRONIcS ARCORUBBERBANDSGOLDBERGSTERLING BRIDiGAS MODEL PRODSULLIVAN DAVEYS SYSTEMSHALLcOTOP FLITE COVE RITEHOBBYPOXYVS ENGINES ited Quantity OEVcONHOT STUFFLANIER DREMELK&BMFGMILLERSTAFFORDSCALE DU-BROSIGNORTHEAST DYNAFILITESAITOZINGER PROPSB-24 $300OC ENGINES 4 19-25 WINGSPAN 9Oincbes 0 STAFFORD AIRCOUPE $9995 complete listing etc please send stamped self-address enve lope DEALERS WANTED F K KITSIGLs NStickum arf/fibass IFlsrbt boxI fuseLage trics/Kopski Continued page 134 reference 15 wet means nothing him Fundamentally must question comparison should needed Surely early model fuel engines appeared nothing compare did early modelers know what kind plane put 19 learned Ive good fortune knowing very large numbers modelers can tell modelers definitely dumb Yes some unfamiliar technical things may bit scary anyone initially no reason whywith little insight little experience modeler could readily associate right Electric motor modelif some meaningful motor size standard placejust like modelers days gone did new-fangled model gas engines have long advocated use input power expressed watts both suitable fully appropriate approach problem Input power watts simply arithmetic multiplication motor voltage volts input current amps Both quantities readily measurable modeler simple equipment would easy manufacturer describe motor capability watts proviso motor properly used simply means motor would used appropriate propellers run within recommended rpm range once modeler just little exposure what watts example model growth point would very difficult After real modelers know what happens jump 25 40 wet planeright course above discussion somewhat simplified interested manufacturers would have some work to suitably describe motors watts anything else because would have some standardsuch motor life exampleto give meaning such rating example some motors may genuine candidate 100-watt rating everyone knows can add cell pitch diameter force over-100watt motor What happens between affects motor life Thus example very good motor life may expected 100-watt operating conditions deteriorating motor life may occur power pressed upward starters about 100-hour continuous duty 70 0F free air possible standard Anybody out have other ideas later Direct vs geared motors also continues hot topic within reader letters Personally prefer think geared motors rather geared propellers effect gearing changes size prop does change size motor Heres what mean motor motor motor basic electro-mechanical make-up unaffected what put armature shaft does matter motor driving small prop directly large prop gears attached appropriate concern prop plane combination Gearing mechanical way potentially achieving best match prop plane As generalization large slow models 138 Model Aviation PLEASE CALL FOR SPECIALS oi THE MONTH Plane complete witi full-size patterns material list step-bystep instructjons end color photographs PLANS NOW AVAILABLE Esy-to-build WORLD WAR SPAD RED BARON Pedal Planes littie pilot age 3 6 will love Ue unique estiting toy Plans $1495 US ft Canada Specify plans desired FL Res add 6% tea Add $300 P ft H. FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 305432-5196 Consuucoon massnare twoco wneers naroUOare etcl available lumber hardware outlete Some parts available r5adynrade desired Ust induded witir plans WHY PAY SACHS DOLMAR PRICES FOR IMITATION . WREN YOU CAN HAVE 100 % SACHS DOLMAR . OJSTOMIZED BY TG MFG LEU7Mf LIOTW WARRANTY AS LONG AS P*CIIASIER OWLS ENG1N MZ eitinu 0ampLefr Mady mount nc1udL A*44i Mto* Mount Mowiting BOLtA T4p 4oa Smo&L Pump C*4 ELictutoniea Patk S isUek Tk&attlL Lbskaye JuatoaU 201 427 3845 4. GEA1 1RJCES *i AeAvict *Lt 4 ALIt GtMA puiovIi*t tvailab& Wit ARF elis $&Uon ICU Toaqe Mount 3t G4*LqAeA t-U TG *G S7 H49h Mountain Road Nonth Hafrdon Ne& Jweg 01508 best flown large slow props Examples can include some sailplanes Old Timers some scale jobsas rough categorization Thus likely find advantage geared systems such models other hand small fast models best matched up small fast-turning props An example would pylon racer Lets draw some mental pictures Imagine small screaming direct-drive prop very large lumbering OT Indeed plane might look act like motor test stand anything else Now imagine same plane larger slower fan moving large volumes air slowly Sounds better huh now picture same big low rpm prop front sleek pylon plane Looks wrong right Tis wrong too course always middle-range planes its necessarily clear what approach best Such middle models would likely very well either direct geared drive ie rather wide range props/rpm fact Skyvolt design Jan 90 seems Ive flown Continued page 142 & MODEL BUILDING 7ERVICE RADIO CONT1OL PRODUCJ3 carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN SIAM 0314 4 /2 08 / 04 K_ 2 12- / _ 6 42 n ii E think putting skIs military airplane Garry B&P Associates Gives Total Flight Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field February 1992 139 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 R/C Combat __________Sport Flying Flys hour V ideopost poid $1295 LIST $8995 800-264-7840 Kombat 40 member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembled engine mounted radio installed hourl Nothing extra buy provide 4 channel radio 25-40 engine supply everything else great sports plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs thot take 10-12 hours longer complete Kombat 40 true winner ORDER YOURS TODAY Trainer Version available $7495 Electrics/Kopski Continued page 139 model both ways find performance very close direct drive 15 twelve 900s 8 X 4 geared 05 eight 1200s turning 9 X 8 weight flying close either way Heres hoping perspective some help perplexing question gear gear Speaking ef Skyvelt brings mind several oft-repeated reader questions about Electric Plans design available MA Plans Service model also kitted manufacturer Todays Hobbies company also manufactures very impressive line stick tissue RC jet fighter designspopular kits since Desert happened Anyway since readers ask Id like say Im obviously familiar folks involved am personally associated company Other often asked questions concern Senior Skyvolt simply scaled up version original comparison original Skyvolt chord published eight inches Senior version 10 inches other dimensions similarly scaled no Senior version planned publication kitting though its best Electric have Finally have reproducible plans just some outline lines drawn cardboard Sorry thank everyone has inquired about points RC Electrics License Plate Contest announced July August 91 issues reminder Skyvolt kit prize readers favorite have until December 1992 send photo own vanity plate promoting Electric So far two readers have done just example shown July column Ill publish received once after closing date Readers can let know favorite Ill review Crash Resistantl 48 wingspan 4 5 inum Land n9 Gear 4 $2 pp/lst class free to$2000 addrequested 1st order $450] $2 Pace 1991 CATALOGUE sdd 375 $4501 b H0 P000 add $425 3 MdIAN STIA] t7000 add $500 aljf add 600%tax Sen BOX 2212 tO vISAMc i & Eap oWESTMINSTERCA 92884 heckslHours Mon-Fri 9AM 5PM Theck allow up 30 7141 893-B3llPhone iays tor clearance 714 895-6629 IFAX particulars unusual Electric contest once again several months now can dig out back issues see what its about EAAHelIo Out As best can telltheres no home anymore Electric Aeromodeling Association Ive always supported Electric endeavors such Special Interest Group SIG within AMAthe EAA before EAA short-lived SEAM last Januaryat membership renewal timeI just plain forgot send 91 EAA dues around June began wonder hadnt seen Continued page 144 AER5PACE Vacuum Bagging Headquarters Composite Products Weve Got COMPLETE System Complete EZ-Vac & EZ-Vac PRO Bagging Systems pump Bagging Tube Quick-Lock Bag Seals Iqs4 luggingmuVie Connector 8700 Quick-Lock Bagging Seals. No Vacuum AttachFitting/Valve. Messy Leaky Sticky Tapel PRO way attach vacuum lines bag Send $100 Complete Catalog Composite Building Materials Equipment & Supplies Visa & Master Card Accepted Aerospace Composite Products ox 16621 ne CA 92714 250-1107 FAX 714 250-0307 142 Model Aviation Hobby Horn hobby specialties MIDWAY MODEL CO Old Timer Kits c AND FF Hobby Horn discount prices MMC FULL KITS listed Futt Kits include cut parts plan strip sheet wood wire window material Kits marked have wire landrnear pre-bent 1938 rhouse 50p3596 1937 Loqo Cabin 78$4952 1939 IC Sportster 50$3596 1937 Quaker Flash 87$4784 1940 Buzzard Bombshell 50 span kit*3596 1937 Air Chief 613776 1940 New Ruler 74 ..I 1939 Thermic 100 Glider 1100 Span bi rer7472 Sailplane--modifications shown R/CI ------58623 P & W MODEL SERVICE Old Timer kits FF RIG following discount p rice full kits full kits clude cut parts plan stick sheet wood wire windshield material 1935 Miss America &4$7556 1936 Buccaneer 84$8296 1937 Dallaire 108$7992 1938 Clipper Mk 72$5596 1938 Kioud King 83$4448 1938 Powerhouse 84$5624 1936 Record Breaker 96$7304 1938 Trenton Terror 72$4280 1939 Korda wake 44$2012 1939 Mercury 72$6128 1939 Zipper 54 .... ....... $5624 1940 Ranger 46$3355 1940 Sailplane 78$8900 1940 So Long 50$3188 1941 Brigidier 56$4279 1941 Super Quaker 78$7640 1941 PlayboyJr 54$3272 1941 Playboy Sr 78$5372 1941 Brooklyn Dodner 56$4448 8 Martha Ct18305 Regency Woods Way Sumter SC 291501 Louisville KY 40220 803-775-6491 1502-491-4114 Kits include fiberglass fuselage vacuum-formed canopy F-ba Foam wings plans construction manual No wood included Accommodates Dynamax Byro-Jet Fans z CENTURYGIANT SCALE RETRACTS 30-50 lb Class- JET MODELS INCAvadabie standard T-6 AluminumNEW Chromoly StrutsI RELEASE Stainless scissorsI F-4 PHANTOM Selector Valve Air-ISend Tank Lines $275 pair ATALOG AVAILABLE KITS F-100 1/aScale Flying WT 115 lbs accessories Avail SPORT HAWK MK II New Intake Design Foam Cores 40-91 SYm Vert & Hoz Stabs No Cheater Hole 51 Wing 59 Length Basic Kit $189 F-lOS THUNDERCHIEF Length 7V 1 No Cheater Hole Fiberglass Fuselage Foam Cores Con struction Video Available c kit $239 F 0LU -Scale Main Retracts 22 Ounces Spare Parts 89-94 Deg Retract angle Air Tank Service/Selector Valve Airlines included $19999 EAA newsletters realized might have something fact no longer member immediately fired off three-years worth dues plus some additional $ request newsletter reprints may have missed Weeks months went heard nothing check cleared batik So wrote again inquiring status membership application check etc enclosed SASE make reply easier No response No check Nothing its now late October may draw own conclusions folks As meIm really worried Electric will just fine no home EAAthis because readers column seem have no interest anyway discussed December 91 issue However anyone can would shed some light apparent lights out situation Id very happy let readers know what real story Can anyone help Id like support SIG sure B-57 CANBERRA Wing SpansO Length 63 $18999 other modelers would like know before sending dues money too another column concludes Please include SASE letters youd like answer Have safe happy quiet Electri-flyin winter ] RC Pylon/Hager Continued page 52 10423 2 R Knepper 28 pts 10720 3 D Whiteaker 28 pts 10447 4 C Patizardi 22 pts 10807 5 M Tailman 22 pts 11069 6 J Dodd 22 pts 10774 7 R Cromer 21 pts 10887 8 D Green 20 pts 10453 9 J Ruh 17 pts 10910 10 T Scott 17 pts 11017 11 B Martin 16 pts 11436 12 D Bowman 15 pts 11388 13 B Belluomini 15 pts 13456 14 D Kane Jr 14 pts 10667 15 J Salisbury 12 pts 10726 16 E Spiker 12 pts 11159 17 R Gray 12 pts 11191 18 B Anderson 4 pts 11373 Six Meters RC have always wanted use six meters radio control flying read following taken 11th Lap Newsletter No Code Last December 13 1990 first no-code amateur radio operators license US approved FCC Bureau Chief Haller Commissioners Cross Quello Dugen Sykes Docket 90-55 establishes codeless license eliminating code requirement Technician class license first no-code license history US Amateur Radio ServiceContinued page 146 Upgrade Vision 8P 8SP transmitters Enhance Vision 8P 85P ATRCS SP7 module new version 30 upgrade upgrade increases number setups available 8 allows aircraft naming failsafe positions Futaba PPM FM receivers Upgrade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup information plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems LaboratorIes 238 So Hhliview Drive Milpitas CA 95035 408 946-4142 Name AArpcc City State ____ Zip 30 upgrades ______ x $9500 ________ Local CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $375 checkMaster Card VISA Card # Expires 144 Model Aviation RIC BEGINNERS very up-beaf hobby Once have soloed will probabty hooked life soloing fhe problem hobby loses least half its pofential fliers because fhey fail fo suc cessfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULTl disgrace hobby fhe aero modeling industry required police itself free fo call atrocity guided missile TRAINERl just some mosf ot fhe advertised trainers impossible beginner solo with help instuctorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly men tion real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST liME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S300 plus 45 postage EASE-OF-FLYING RATINGS OF RiC TRAINERS Over 40 currently available trainers evaluated cluding ARFs Also grades ease-of-building ex plains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn Guarantee money back say eye-opening candid enlighten ing time-saving money-saving frustration-sparing P/C publication have ever readl Testimonials available request JIm Waterman 3618 DeorfIeld Dr Dept M San AntonIo1 TX 78218
Edition: Model Aviation - 1992/02
Page Numbers: 50, 51, 134, 138, 139, 142, 144
THE ELECTRIC CONNECTION Service has single offering month Charles Simerka 11644150 CTN Jupiter Florida 33478 Charles has recently returned modeling after about 20 years absence has done Electric anxious find others nearby share joy quiet power brings please Look im up tell Charles Bob sent ya Its interesting note former modelers separated hobby decade two returning Electric routinely occurring story incoming mail Motor Noise seems have become column speciality Reader reaction recent columns addressing topical area has strongin way letters calls personal encounters last KRC meet have voiced gratitude info regarding capacitors motors October issue seems suggestions given time have worked well modelersand said fiberglass-structure e 5-17 being marketed Keith Mey Meys Hi Teck Hob- bies Model uses four Great Planes Gold Fire 550 ferrIte motors twenty-one 1500 mAh cells up about 11 lb retracts Keith estimates about three-minute flight time review column discussed presented photographic regarding installation capacitors motor brushes effective noise reduction therefore less motor-induced in-flight glitching Just some modelers grateful information given others provided additional information happened twice KRC affair Bob Johnson author chokes article August 91 issue RC Report recommended Heres nose end Senlorita seen KRC meet geared 25 cobalt nested between metal beam engine mounts held firmly top bottom formed metal straps shown Note brush clearance cut firewall Neat molded cowl slipped place Typical personalized charging set-ups seen KRC meet L Unknown modelers three Astro chargers other acces sories charge up out-of-plane packs right inside look soon-to-be announced high-teck charger SR Batteries Boss Larry Sribnick tells SR Smart Charger/Cycler microprocessor controlled can charge up 28 cells uses peak temper ature detection Charger reverse-polarity protected uses Sermos connectors has LCD display full upgradable programming 50 Model Aviation Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 The Electric Connection Service 2 Motor NoiseStill 3 Motor Size gain 4 Direct vs Geared Drive 5 Skyvolt 6 A ReminderThe License Plate Contest 7 EAAWhere Are Four Star 40 Ron Farkus powered geared 40 cobalt twenty-one 11 0O-mAh cells APC 12 x 10 fan Ron originally flew model 46 four-stroke wet power about five lb 19 oz loading Conversion brought gross up about seven lb 25 oz loading JEKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 RIC City mu . AvantiJekyll 120 Conquest ViLA-i Conquest 120Phoenix 8 CursorPhoenix 8/45 DesirePunch EU-lASkybolt Eclipseiiin Summit Iii Fresh AireSundowner Krier Kraft Worlds Firesr Fiberglass Prodicts Typhoon Jekyll 6096 Railroad Ave #FVortex Suisun Ca 94585 707-428-3119 707-421-2336 MASTERCARD/VISA ACCEPTED SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA reading also George Minnear Westmoreland Electric Soaring Society Pennsylvania both approached about fact recommended disc ceramic capacitors can less effective depending upon self resonance characteristics gentlemen correct advisory heres what means Bob George both talking about fact capacitors associated wire lead length form series-tuned circuit some frequency happens fall frequency band especially effective other hand resonance falls off frequency results may disappointing ie capacitors will doing best job have investigated behavior recommended Radio Shack parts using Grid Dip meteran instrument familiar ham radio operators early Vintage RCers Indeed found resonance falls generally between about 50 mHz 70 mHz depending capacitor lead length hope explore specific much greater detail future now let recommend make capacitor leads short possible greatest effectiveness much credibility above matter Id also like tell two modelers wanted install capacitors recommended reluctant disassemble motors shown October column turns out both gentlemen geared cobalts both ran capacitor leads brushes gear box mounting screwsobviously much too long lead length effectiveright Wrong happens both installations worked out just fine both modelers told great flying sans motorinduced glitches So what about apparent lead-length contradiction think its matter degree Short leads would definitely best longer ones apparenfly better what before fact adequate particular installations its also possible certain other installations long lead approach would work As Ive said times cures work cases general patient efforts effect motor noise control will nearly always bring noticeable results Often its matter finding approach rather combinations cures before results become appreciable since may layered problems just show varied approaches can further input Dennis Vollrath gentleman referenced December column may recall Dennis experienced problems what turned out speed control switching transients getting receiver subsequenfly shielded latter foil Now Dennis has found offending emissions some power system wiring can greatly reduced twisting wire pairs such both battery wires both motor wires etc described single simple modification increased 100% range particular 40powered craft Just trick bag thereof Thanks again Dennis Earlier mentioned Bob Johnsons RC Report article chokes article Bob described application toroidal cores motor other power system wiring listed supplier cores fact sent some turns out Amidon Associates supplier moved since Bobs article came out heres new address Amidon Associates PO Box 956 Torrance CA 90508 core prices Bob gave have also changed heres latest FT 50-43 February 1992 51 DESIRL Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 UNUULI VI Wing Span 66Weigfht 80-85 Lbs Wing Area 840Engine 60 YI-MUUN Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900, Engine 120 Continued page 134 Home-made battery cooling device Bob Shipton Detroit Bob Electric Flyers Only Club says several members using design cool packs between flights charges Assembly consists Radio Shack 3-In blower No 273-243B Housing clear acrylic Similar design used Steve Neu appeared made PVC plumbing pipe Electrics/Kopski Continued page 51 $075 FT 82-43$120 FT 114-43 $225 Postage $400 Now convenience reference list recent Model Aviation RC Electrics columns have discussed motor noise problems solutions 12/89 1/90 8/90 9/90 2/91 10/91 12/9 1 discussion several columns predating earliest listed above much coverage has repeated updated recent issues Motor Size what means has topical pursuit columnist years particular Ive often lamented fact exist no motor size standards within model hobby both difficult frustrating modelers compare products often simply choose right motor Indeed popular reader questions continues concern about motor/which plane Electric has certainly matured rapidly recent years evidence can found last months coverage 91 KRC meet modelers rapidly catching fact Electric just gliders modelers doing some very impressive things quiet power source Yet motor descriptions ratings names remain firmly Dark Agesthose days Electric just gliders Probably familiar motor size nomenclature introduced Astro Flight early 70s time fledgling company 10 25 soon followed can 05 expressions intended roughly categorize motors sport glow engine equivalents Thus early 05 would thought turning 6 X 3 6 X 4not unlike 049 glow engineand about same rpm just naturally leads us question todays Astro 05a cobalt far removed early can motor its abilities limitations Join squadron Brand new squadron markings. Available 1/8 1/6 & 1/4 scales Setd es always something new major decals orkssquadron insignias NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01020 TEL 413-5254110 FAX 413-525-PBS /C GOODIES Cochran St Suite 281805 581-5061 Stint Valley Ca 93065 BuILDING ACCESSORIES #2 SPAN NOW IN 36 & 72LENGTHS APPLY W APPLY NON-TOXIC BALSALOC ADHESIVE TO FRAME WITH SMALL DAMP SPONGE ALLOW TO DRYTHEN AFFIX LITESPAN WITH IRON NK WITH IRON OR HEAT GUN 20 x 36 TS SPEC $250 20 x 72 SPEC $500 110 GRAM BALSALOC REG $400 SPEC$325 S&HTO7SHTS 20X360R45HT520X72 SPAN LSALOC $300 S & H TO LE THIS QUANTITY $500 SANEW EDGE ON YOUR NO 11DUAL BLADE EXACTOORSHARPENER UBER BLADES ECONDS BLADE REPLACEMENTS SAVESTIMEAND OND EDJER REG $1500 SPEC $1275 ARKANSAS STONE REG $1100 SPEC S925 MIC EDJER REG $850 SPEC $725 $175 SHIPPING & HANDLING SEE BROCHURE FOR OTHER MODELS PRICES ARE CASH CARDS 6% MORE 20% DEPOSIT-COD Consider example Vintage Esquire weighing about 54 oz pulled geared 05 eight cells Im confident that plane would move through air glow 049 because flew wet power over quarter century Some readers have told size comparison glow engines good because its easy comparison may okay its accurate comparison youre modeler familiar wet power first place consider new modeler just entering hobbywith first experience being Electric person has no wet Continued page 138 Original E-Z UP Sun Shelters H I- 0 8x8'10xlO'10x15 1 Other sizes accessones Sets up less 60 colors custom logos secondsl No ropes lollering avalIab nothin assemble! -0O0 131 RAvENWOOD Ro VERSAILLES KY 40383 134 Model Aviation JUl11 -UJI flY VI VERA GES 0 VER 9000 PROPS I! IMMEDIATESHIPMENTON VISA/MC SPECIALISTSINCUSTOMCOX TEE DEE& REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRANDS OFGLOWPLUGS HARD-TO-FINDHARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARK PLUGS SILK8 COLORS QUALITYDOPEBRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUEAND OTHER SUPPLIES CYANOACRYLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS LV ** 4620 CRANDALLLANESVILLE RD CORYDON INDIANA 47112 ** Large selection Remote Control Model Airplanes protessional LISTED BELOW In Business since 1973 PRICES SUBJECT TO CHANGE WITHOUT NOTICE IS JUST FEW OF THE MFG WE STOCK HOURS MONDAYTHRUTHURSDAY9AM-SPM FRIDAY 9AM-2PM A-JUSTOJiGFOXCLOSED SATURDAY& AMBROIDFUTABASONIc-TRONIcS ARCORUBBERBANDSGOLDBERGSTERLING BRIDiGAS MODEL PRODSULLIVAN DAVEYS SYSTEMSHALLcOTOP FLITE COVE RITEHOBBYPOXYVS ENGINES ited Quantity OEVcONHOT STUFFLANIER DREMELK&BMFGMILLERSTAFFORDSCALE DU-BROSIGNORTHEAST DYNAFILITESAITOZINGER PROPSB-24 $300OC ENGINES 4 19-25 WINGSPAN 9Oincbes 0 STAFFORD AIRCOUPE $9995 complete listing etc please send stamped self-address enve lope DEALERS WANTED F K KITSIGLs NStickum arf/fibass IFlsrbt boxI fuseLage trics/Kopski Continued page 134 reference 15 wet means nothing him Fundamentally must question comparison should needed Surely early model fuel engines appeared nothing compare did early modelers know what kind plane put 19 learned Ive good fortune knowing very large numbers modelers can tell modelers definitely dumb Yes some unfamiliar technical things may bit scary anyone initially no reason whywith little insight little experience modeler could readily associate right Electric motor modelif some meaningful motor size standard placejust like modelers days gone did new-fangled model gas engines have long advocated use input power expressed watts both suitable fully appropriate approach problem Input power watts simply arithmetic multiplication motor voltage volts input current amps Both quantities readily measurable modeler simple equipment would easy manufacturer describe motor capability watts proviso motor properly used simply means motor would used appropriate propellers run within recommended rpm range once modeler just little exposure what watts example model growth point would very difficult After real modelers know what happens jump 25 40 wet planeright course above discussion somewhat simplified interested manufacturers would have some work to suitably describe motors watts anything else because would have some standardsuch motor life exampleto give meaning such rating example some motors may genuine candidate 100-watt rating everyone knows can add cell pitch diameter force over-100watt motor What happens between affects motor life Thus example very good motor life may expected 100-watt operating conditions deteriorating motor life may occur power pressed upward starters about 100-hour continuous duty 70 0F free air possible standard Anybody out have other ideas later Direct vs geared motors also continues hot topic within reader letters Personally prefer think geared motors rather geared propellers effect gearing changes size prop does change size motor Heres what mean motor motor motor basic electro-mechanical make-up unaffected what put armature shaft does matter motor driving small prop directly large prop gears attached appropriate concern prop plane combination Gearing mechanical way potentially achieving best match prop plane As generalization large slow models 138 Model Aviation PLEASE CALL FOR SPECIALS oi THE MONTH Plane complete witi full-size patterns material list step-bystep instructjons end color photographs PLANS NOW AVAILABLE Esy-to-build WORLD WAR SPAD RED BARON Pedal Planes littie pilot age 3 6 will love Ue unique estiting toy Plans $1495 US ft Canada Specify plans desired FL Res add 6% tea Add $300 P ft H. FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 305432-5196 Consuucoon massnare twoco wneers naroUOare etcl available lumber hardware outlete Some parts available r5adynrade desired Ust induded witir plans WHY PAY SACHS DOLMAR PRICES FOR IMITATION . WREN YOU CAN HAVE 100 % SACHS DOLMAR . OJSTOMIZED BY TG MFG LEU7Mf LIOTW WARRANTY AS LONG AS P*CIIASIER OWLS ENG1N MZ eitinu 0ampLefr Mady mount nc1udL A*44i Mto* Mount Mowiting BOLtA T4p 4oa Smo&L Pump C*4 ELictutoniea Patk S isUek Tk&attlL Lbskaye JuatoaU 201 427 3845 4. GEA1 1RJCES *i AeAvict *Lt 4 ALIt GtMA puiovIi*t tvailab& Wit ARF elis $&Uon ICU Toaqe Mount 3t G4*LqAeA t-U TG *G S7 H49h Mountain Road Nonth Hafrdon Ne& Jweg 01508 best flown large slow props Examples can include some sailplanes Old Timers some scale jobsas rough categorization Thus likely find advantage geared systems such models other hand small fast models best matched up small fast-turning props An example would pylon racer Lets draw some mental pictures Imagine small screaming direct-drive prop very large lumbering OT Indeed plane might look act like motor test stand anything else Now imagine same plane larger slower fan moving large volumes air slowly Sounds better huh now picture same big low rpm prop front sleek pylon plane Looks wrong right Tis wrong too course always middle-range planes its necessarily clear what approach best Such middle models would likely very well either direct geared drive ie rather wide range props/rpm fact Skyvolt design Jan 90 seems Ive flown Continued page 142 & MODEL BUILDING 7ERVICE RADIO CONT1OL PRODUCJ3 carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN SIAM 0314 4 /2 08 / 04 K_ 2 12- / _ 6 42 n ii E think putting skIs military airplane Garry B&P Associates Gives Total Flight Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field February 1992 139 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 R/C Combat __________Sport Flying Flys hour V ideopost poid $1295 LIST $8995 800-264-7840 Kombat 40 member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembled engine mounted radio installed hourl Nothing extra buy provide 4 channel radio 25-40 engine supply everything else great sports plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs thot take 10-12 hours longer complete Kombat 40 true winner ORDER YOURS TODAY Trainer Version available $7495 Electrics/Kopski Continued page 139 model both ways find performance very close direct drive 15 twelve 900s 8 X 4 geared 05 eight 1200s turning 9 X 8 weight flying close either way Heres hoping perspective some help perplexing question gear gear Speaking ef Skyvelt brings mind several oft-repeated reader questions about Electric Plans design available MA Plans Service model also kitted manufacturer Todays Hobbies company also manufactures very impressive line stick tissue RC jet fighter designspopular kits since Desert happened Anyway since readers ask Id like say Im obviously familiar folks involved am personally associated company Other often asked questions concern Senior Skyvolt simply scaled up version original comparison original Skyvolt chord published eight inches Senior version 10 inches other dimensions similarly scaled no Senior version planned publication kitting though its best Electric have Finally have reproducible plans just some outline lines drawn cardboard Sorry thank everyone has inquired about points RC Electrics License Plate Contest announced July August 91 issues reminder Skyvolt kit prize readers favorite have until December 1992 send photo own vanity plate promoting Electric So far two readers have done just example shown July column Ill publish received once after closing date Readers can let know favorite Ill review Crash Resistantl 48 wingspan 4 5 inum Land n9 Gear 4 $2 pp/lst class free to$2000 addrequested 1st order $450] $2 Pace 1991 CATALOGUE sdd 375 $4501 b H0 P000 add $425 3 MdIAN STIA] t7000 add $500 aljf add 600%tax Sen BOX 2212 tO vISAMc i & Eap oWESTMINSTERCA 92884 heckslHours Mon-Fri 9AM 5PM Theck allow up 30 7141 893-B3llPhone iays tor clearance 714 895-6629 IFAX particulars unusual Electric contest once again several months now can dig out back issues see what its about EAAHelIo Out As best can telltheres no home anymore Electric Aeromodeling Association Ive always supported Electric endeavors such Special Interest Group SIG within AMAthe EAA before EAA short-lived SEAM last Januaryat membership renewal timeI just plain forgot send 91 EAA dues around June began wonder hadnt seen Continued page 144 AER5PACE Vacuum Bagging Headquarters Composite Products Weve Got COMPLETE System Complete EZ-Vac & EZ-Vac PRO Bagging Systems pump Bagging Tube Quick-Lock Bag Seals Iqs4 luggingmuVie Connector 8700 Quick-Lock Bagging Seals. No Vacuum AttachFitting/Valve. Messy Leaky Sticky Tapel PRO way attach vacuum lines bag Send $100 Complete Catalog Composite Building Materials Equipment & Supplies Visa & Master Card Accepted Aerospace Composite Products ox 16621 ne CA 92714 250-1107 FAX 714 250-0307 142 Model Aviation Hobby Horn hobby specialties MIDWAY MODEL CO Old Timer Kits c AND FF Hobby Horn discount prices MMC FULL KITS listed Futt Kits include cut parts plan strip sheet wood wire window material Kits marked have wire landrnear pre-bent 1938 rhouse 50p3596 1937 Loqo Cabin 78$4952 1939 IC Sportster 50$3596 1937 Quaker Flash 87$4784 1940 Buzzard Bombshell 50 span kit*3596 1937 Air Chief 613776 1940 New Ruler 74 ..I 1939 Thermic 100 Glider 1100 Span bi rer7472 Sailplane--modifications shown R/CI ------58623 P & W MODEL SERVICE Old Timer kits FF RIG following discount p rice full kits full kits clude cut parts plan stick sheet wood wire windshield material 1935 Miss America &4$7556 1936 Buccaneer 84$8296 1937 Dallaire 108$7992 1938 Clipper Mk 72$5596 1938 Kioud King 83$4448 1938 Powerhouse 84$5624 1936 Record Breaker 96$7304 1938 Trenton Terror 72$4280 1939 Korda wake 44$2012 1939 Mercury 72$6128 1939 Zipper 54 .... ....... $5624 1940 Ranger 46$3355 1940 Sailplane 78$8900 1940 So Long 50$3188 1941 Brigidier 56$4279 1941 Super Quaker 78$7640 1941 PlayboyJr 54$3272 1941 Playboy Sr 78$5372 1941 Brooklyn Dodner 56$4448 8 Martha Ct18305 Regency Woods Way Sumter SC 291501 Louisville KY 40220 803-775-6491 1502-491-4114 Kits include fiberglass fuselage vacuum-formed canopy F-ba Foam wings plans construction manual No wood included Accommodates Dynamax Byro-Jet Fans z CENTURYGIANT SCALE RETRACTS 30-50 lb Class- JET MODELS INCAvadabie standard T-6 AluminumNEW Chromoly StrutsI RELEASE Stainless scissorsI F-4 PHANTOM Selector Valve Air-ISend Tank Lines $275 pair ATALOG AVAILABLE KITS F-100 1/aScale Flying WT 115 lbs accessories Avail SPORT HAWK MK II New Intake Design Foam Cores 40-91 SYm Vert & Hoz Stabs No Cheater Hole 51 Wing 59 Length Basic Kit $189 F-lOS THUNDERCHIEF Length 7V 1 No Cheater Hole Fiberglass Fuselage Foam Cores Con struction Video Available c kit $239 F 0LU -Scale Main Retracts 22 Ounces Spare Parts 89-94 Deg Retract angle Air Tank Service/Selector Valve Airlines included $19999 EAA newsletters realized might have something fact no longer member immediately fired off three-years worth dues plus some additional $ request newsletter reprints may have missed Weeks months went heard nothing check cleared batik So wrote again inquiring status membership application check etc enclosed SASE make reply easier No response No check Nothing its now late October may draw own conclusions folks As meIm really worried Electric will just fine no home EAAthis because readers column seem have no interest anyway discussed December 91 issue However anyone can would shed some light apparent lights out situation Id very happy let readers know what real story Can anyone help Id like support SIG sure B-57 CANBERRA Wing SpansO Length 63 $18999 other modelers would like know before sending dues money too another column concludes Please include SASE letters youd like answer Have safe happy quiet Electri-flyin winter ] RC Pylon/Hager Continued page 52 10423 2 R Knepper 28 pts 10720 3 D Whiteaker 28 pts 10447 4 C Patizardi 22 pts 10807 5 M Tailman 22 pts 11069 6 J Dodd 22 pts 10774 7 R Cromer 21 pts 10887 8 D Green 20 pts 10453 9 J Ruh 17 pts 10910 10 T Scott 17 pts 11017 11 B Martin 16 pts 11436 12 D Bowman 15 pts 11388 13 B Belluomini 15 pts 13456 14 D Kane Jr 14 pts 10667 15 J Salisbury 12 pts 10726 16 E Spiker 12 pts 11159 17 R Gray 12 pts 11191 18 B Anderson 4 pts 11373 Six Meters RC have always wanted use six meters radio control flying read following taken 11th Lap Newsletter No Code Last December 13 1990 first no-code amateur radio operators license US approved FCC Bureau Chief Haller Commissioners Cross Quello Dugen Sykes Docket 90-55 establishes codeless license eliminating code requirement Technician class license first no-code license history US Amateur Radio ServiceContinued page 146 Upgrade Vision 8P 8SP transmitters Enhance Vision 8P 85P ATRCS SP7 module new version 30 upgrade upgrade increases number setups available 8 allows aircraft naming failsafe positions Futaba PPM FM receivers Upgrade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup information plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems LaboratorIes 238 So Hhliview Drive Milpitas CA 95035 408 946-4142 Name AArpcc City State ____ Zip 30 upgrades ______ x $9500 ________ Local CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $375 checkMaster Card VISA Card # Expires 144 Model Aviation RIC BEGINNERS very up-beaf hobby Once have soloed will probabty hooked life soloing fhe problem hobby loses least half its pofential fliers because fhey fail fo suc cessfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULTl disgrace hobby fhe aero modeling industry required police itself free fo call atrocity guided missile TRAINERl just some mosf ot fhe advertised trainers impossible beginner solo with help instuctorl seems norm crash ruin 4 5 planes before becoming successful both stupid costly men tion real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST liME UP ructorl Thanks extensive flight-testing ever conducted hobby ou can now know ad vance ones fly slow hands-off stable easy enough Grandma just so-so intermediate ones deserve trainer label stretch imagination Send S300 plus 45 postage EASE-OF-FLYING RATINGS OF RiC TRAINERS Over 40 currently available trainers evaluated cluding ARFs Also grades ease-of-building ex plains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn Guarantee money back say eye-opening candid enlighten ing time-saving money-saving frustration-sparing P/C publication have ever readl Testimonials available request JIm Waterman 3618 DeorfIeld Dr Dept M San AntonIo1 TX 78218