Radio Control Scale Bob Dolly Wischer KITCHENER-WATERLOO AGAIN annual Flying Dutchmen Club Scale Rally Kitchener Waterloo eastern Ontario always attracts mul titude Scale aircraft total 162 1986s meet early September scheduled first weekend after Labor Day dont expect see WW airplanes meet date conflicts WW contest Rhinebeck New York unfortunate circumstance Canadian twin-cities Kitchener Waterloo corner prosperous triangle also includes Cambridge south Guclph eastern edge area Bob Nelitz newest masterpiece a1/3-scale Bucker Bu-1 31 Jungman Streamlined wiresare made flat wire built up solder Note leather cuffs strut wire ends Span 8 ft weight 34 lb engine Sachs Dolmar 37 U Bob Nelitz plane 1 exact detailing cockpits ultimate realism dowel fuselage framework simulates steel tubing machined instrument bezels screw-mounted panel Beneath baggage cover hatch R liesthe RC system hatchs spring hold-down latch authentic Cockpit doors have latches fit holes cockpit edges wing removed fillets remain attached fuselage Plane photographed annual Kitchener-Waterloo Scale Rally Canada Scale prop 1 also used forf lying Nose bowl cowl panelsare molded fiberglass Operational cowl latches authentic External bump near cockpit housing tachometer Glass-tube fuel gage R encased metal mounting nut safety-wired Streamlined rigging wires pass through riveted grommet Nelitz models always outstanding examples Scale builders art 44 Model Aviation surrounding countryside large contingent Scale modelers gather Scale Rally nually display newest creations fly exchange Scale hints ideas meet has grown include modelers outside area now attended large number us States travel distance frotn Wisconsin 580 miles stretched 100-mile southern excursion around Lake Michigan takes us through both Chicago Detroit Other US attendees come Michigan Ohio New York Pennsylvania STARS Club Olean NY always wellrepresented help keep sky filled airplanes Flying Dutchmen Club uses excellent system frequency control Six tall steel posts driven ground tops plac ards listing group frequencies list cludes frequencies have known conflict other 31M adjacentchannel reasons Underneath list colored triangle plywood hung peg modeler ready fly parks model adjacent post listing frequency lifts triangle its peg trades transmitter impound finished flight transmitter returned im pound given triangle returned post maximum six models can airborne same time course several airplanes ready post triangle re mains permanently impound model ers merely exchange transmitters use time system works extremely well minimum delays between flights selfpolicing no need announcements frequency available Engines started posts model taxied out line about 300 feet spectators Club members monitor takeoff landing make certain no flies behind line fellows really know make Scale rally proceed glitch Aside sheer quantity good Scale models other attractions K-W Rally Merritt Zimmerman brought newest fifth Mark 11924 Cirrus engine demonstrate its new wet-sump lubrication system engine mounted run fuselage new -scale D-H 60 Moth 325 hp 45 cu ignition four-cylinder in-line air-cooled exact scale reproduction famous aircraft en gine four-stroker swinging 20 X 14 prop 6000 rpm tremendous thrust Merritt now uses pump supply crankase oil dip pan beneath connecting rods splash lubri cation means oil no longer added fuel model clean after flight because exhaust carries no oil residue SuperContinued page 142 trim tab elevator operational stitched hinge gap rudder place Note zippered inspection pan ci fuselage side L WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 Phone 815/456-0417 VISIT OUR OUTLET STORE AT 16 MORGAN STREET IN CRYSTAL LAKE IL SEND $150 FOR DESCRIPTIVE PRODUCT CATALOG * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $225 Cat No 202 Air Cleaner Fine $225 Replacement Inserts Cat No 104 Pk/2 Inserts Coarse $195 Cat No 204 PkI2 Inserts Fine $195 FITS MOST ENGINES 25 UP SEE YOUR LOCAL HOBBY DEALER IF UNAVAILABLE LOCALLY SEND TO Add 75 shippingMichigan residents add 4% sales tax Bru Line Industries Inc PO Box 3786 Center Line Michigan 48015 January 1987 45 t SUPER Field Benchm \14 &4DEFRO SflONG FOAM WING CORES PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL POPULAR RIC AIRCRAF1 OVER 250 DIFFERENT WINGS /2 IN STOCK FOR IMMEDMTE DELI VER SO IF YOU HAVE FAVORITE BIRD THAT NEEDS WING CALL OR CRYSTAL CLEAR THERMOFORMED CANOPIES DRESS UP YOUR PLANE WITH NEW CANOPY FROM WING MFG TOP QUALITY TOOLING & MATERIAL MAKES THESE SECOND TO NONE WE HAVE LOTS OF SHAPES & SIZES IN STOCK WHICH FIT MOST KITS & SCRATCH BUILT MODELS C@O@O@O@O@O@OO VIDEO Hedge Hoppin Vol 3 Special Feature Warbird Action Tos Model Q Action interviews Scale 0 JETS British Concorde SST Retail ic Construction Beginner107 Mm49 95 Basic Flight Training Beginners65 Mm44 95 World Model Aviation 90 Mm 44 95 4Oshimosh Overuiemc 55Mm 39 95 Q rp ane Funnies 30 Mm Wild 39 95 3 ScaleMasters 60Mm4195 Warhirds Action 75MmFantastic4995 Hedge Hoppin Vol 45 Mm 41 95 9Which Way Up 70 MmAerohatim-sI47 95 Q lOHedge Hoppin Vol 2 40 Min41 953 dgeHoppinVul3 30Mm3495 Hedge Hoppin Series Feature Variety ol Avama lion Topics Fall Scale & Model CHRISTMAS SPECIAL BEGINNERS N. PACKAGE OFFER struction urchase Baalc Conprogram REEVIDEO Wreceiw 30% oft retail S13gs month onhd SPECIAL OFFER C Buy 3 programs ece ye 4th FREE Rent 3 programs aid C ece V5 4th FREE 0 Oudedag intorsnationO~ QAll Rentals $1495& U Rental DeposIt Retail Price Tape 0 Rental DuratIon 7 Days After Deli Payment Check 110 daysl MO. V M & Enp Date PhoneS CODs Ava ahe hy Phone C ShIpping 375 Foreign Canada Add 10% 0 rs 15% IL Res Add 7% Tax Academy AvIatIon R & D PO Box 277 3 Hazel Crest IL 60429 335 0776 4p$GE Z HOBBY RETAILER Dealer Plan Available installing new transmitter mountains INSTRUCTIONS Please flit card out comPletOty will broadcast 10 kHz off channel 52ef- PossIble should done soon possible after event Pinpoint location flying site bY giving ZIP fectively eliminating its usefulness DenverCode nearest street corner route numbers mites nearest town etc tf interference proven scan 5re5ncr piease describe include other intormatton thtnk mtght useful locating interference source DO NOT mati AMA mail card District Frequency Co ordinator Addresses printed month VP Re port column headings Model Aviation Magazine Since its few years since new fre quencies introduced Kurt trouble remembering what official word con cerning interference commercial transmission little research turned up info AMA News section March 1983 Model Avi ation Its article Bob Aberle Chairman AMAs RC Frequency Commit tee Quoting Bob new RC channels 50 aircraft-only chan nels will operational January J991BB spaced between existing commercial radio stations private radio services common carrier paging services etc closest can oper ate new RC channels 10 kHz However way rules written com mercial radio station operating 10 kHz away RC channel causes interference must change frequency re gard secondary user eyes FCC Because fact granted seemingly very large number authorized chan nels Selecting correct RC channel given area will become major problem espe cially near future last sentence ought etched field box Bob went say AMA estab lished District Frequency Coordination func tion advise members current potential interference commercial transmissions Lets next review RC receivers old fre quencies use before 1983 spaced 80 kHz apart first 11 new frequencies use now spaced 40 kHz apart After January 1991 will have 50 new fre quencies aircraft use spaced 20 kHz apart time spacing between channels nar rows need selective receivers 1991 receiver must able reject adjacent channels 20 kHz awayso dont shoot other down primary use station 10 kHz away can still get Thats FCC gave us 50 channelsto enable us dodge primary guys sounds like 10 kHz selec tivity long shot well does sound way time So what Its pretty obvious need determine channels avoid area conversely appear clear District Frequency Coordinator should able help info make workable system please sure inform Coordinator interference problems RC Interference Report Card insert Model Aviation June 1983 card reporting requirement shows data Coordinator will want know Report Card implies will troubles shoot-down before Coordinator gets word tt1IilllrcIftririiNci RPORTC5D ~tIr ri T.'p piIji What Coordinators really need advance information potential problems scanner like Kurt bought can tell transmissions likely hit give idea signal strength particular location monitoring have learned Denver several companies have FCC authorization transmit 10 kHz off RC channelsbut dont use frequencies regularly So may faced sporadic interference An answer might talk commercial people find out what theyre doing might get big under taking can hope have suf ficient number clear channels area MX500 sizable investmentbut clubs might consider final note about interference actually two problems above discussion about commercial interference addresses problem other interference create own transmitters no outside help has lot writing about intermodulation good luck 1991 receivers will eliminate problem Byron Blakeslee 3134 Winnebago Dr Se dalia CO 80135 RC Aerobatics/Van Putte Continued page 43 RC Pattern rules proposals published last month Competition News letter section magazine pages 132-133 RMcM Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach Florida 32548 RC Scale/Wischers Continued page 45 craftsmen abound K-W Rally previous Rallies seen Dee Harwell flying i/4.scale Great Lakes biplane Zimmermans engines years Rally Dee exhibiting own engine 612 cu miniature reproduction 1930 five-cylinder Kinner B-S model engine long-stroke design prototype 1092-in bore 1312-in stroke Cylinder heads valves came 05 160 Gemini four-stroke Top speed 20-in prop 5000 rpm tick-over idle 600 Its weight 875 lbs engine bench-mounted run often continuously-interested group modelers Dee expects have airplane soon Visitors K-W Rally treated spectacle Scale modeling its very best As past Bob Nelitz appeared newest creation A-scale Bucker Bo 131 Jungmann certainly must qualify nearly perfect Scale models ever seen Bob copied full-size Jungmann being restored using measurements photos complement Air craft Profile documentation fuselage built-up wooden dowels internal structure viewed through open cockpits authentically reproduced fullsize airplane has fold-down doors both sides cockpits model have piano hinges spring latches Both cockpits com pletely detailed Opening baggage hatch beContinued page 144 142 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run IncI Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 skip Credit price 21500 includes shipping e MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINES Box 26390 Phoenix Arizona 85068 602 870-3342 auto ant RCFS II John Kallend FOR APPLE 11 lie GREAT AS TRAINING AID FOR BEGINNER OR w FULLY AEROSATiC INCLUDING SPINS AND SNAP ROW CONFIGURE FOR LARGE VARIETY OF MODELS FROM TRAINERS TO HOT AERORATIC MODELS USE WITH DAVE BROWN PROGUCTS DUAL JOY STICK TRANSMI1TER FOR THE MOST ACCURATE SIMULATION OF B/c FLYING CAN RE USED WITH ANY APPLE COMPATARLE JOYSTICK IT EVEN HAS DUAL RATE CONTROL SENSVITY NOTE NEOUIBES APPLE II Pull RIB .Inl APPLE 110 51151 DISK DRIVE AND APPLE COMPATASLE JOY ITICK OR DAVE BROWN PRODIJCIS DIAALJOYSI1CE DAVE BROWN PRODUCTS Available Now Commodore RADIO CONTROLLED FLIGHT SIMULATOR 4560 LAYHIGH HAMILTON 0H1045013 hind rear cockpit reveals clear plastic panel beneath servos located Also within space receiver batteries Wing halves bolted fueslage cen ter section streamlined flying wires disturbed wings removed Finish fabric-coverd areas dope Hobbypoxy metal-covered portions Wingspan eight feet weight 34 pounds engine Sachs Dolmar 37 As expected model flies very much like prototype course Bob says its easier reproduce detail large Scale model must fabricated builder very little avail able ready-made Bobs Jungmann thoroughly detailed aircraft impressed everyone includ ing fellow restoring full-size air plane surprised find leather strut wire cuffs externally-mounted tachometer stand-up fuel gauge just forward front cockpit along zippered inspection pan els fabric just prototype Dick Speidel regular visitor K-W Rally new /4-scale Sopwith Camel other eye-catching models display deserving quick glance Covering material Super Coverite Randolph dope Nothing unusual Dick has changed appearance WW I-type finish rubbing dope rottenstone reduce gloss Its simple trick get elusive realism WW modelers strive achieve Dicks large-diameter detailed wheels mod elers asking source makes own wheels using plywood disc filled out balsa cones simulated spokes thread beneath fabric covering tires made rubber hose dishwasher wrapped around hubs cemented joint Shock absorbers /4-in bungee cord Edges tail surfaces wing tips aluminum tubing bent shape realistic dummy Le Rhone engine crankcase turned cherry wood Thin fins can turned cylinders using wood Quadra 50 engine uses CD ignition system has no flywheel Dick employs novel system equalizing ten sion dual rigging wires wings wire passed around tiny pulley end pivot point pulley anchored wing root machine screw recessed pocket used tighten pair wires Dick another innovators keeps us coming back K-W Rally year Some other fine models found attractive Jack Swifts Waco 10 A-scale Al Walkers Nieuport 28 Proctor kit Bob Dunns Curtiss Al Triad -scale model first Naval aircraft 1911 Jim Messers J-3 ultralight Kitten first series being built members Olean STARS Club seen electric-powered Scale models K-W previously no longer regarded novelty Steve Gray several electric models meet made flights Pilatus Porter D-H Beaver having batteries charged constantly Steve also flew Skip Masts C-130 Hercules Skip flew other could see airborne together Noisy Scale models Sound-level tests Lake Charles Nats indicated some Scale models bit too loud made investment sound-level meter Radio Shack $30 satisfy curiosity regarding noise level own fleet Scale models others turned up local club field Lakeland RC Club Using meter has quite educa tion now part equipment carry field An unmuffled four-stroke can just loud two-stroke high-flying models cone sound equal both four-stroke less likely annoy neighbors because its exhaust note lower pitch can heard same distance neighbor looking reason become annoyed could complain about either en gine fully-cowled engine Scale model quieter has its cylinder exposed However Ryan SCW muffler Su pertigre 60 engine inside cowl measured surprisingly high 100 dB 10 feet three ters above allowable 98 dB set limit FAI rules muffler homemade fit inside cowl one-inch OD aluminum tube having eight holes 140-in diameter drilled its back plate large-headed screw tapped holes partially covered several other holes equivalent five holes remained meter reading dropped ac ceptable 94 dB almost no loss engine output model flies did before adding screw excessive noise resulted too gen erous outlet muffler Another Supertigre 60 engine same type muffler cowl four outlet holes gave meter reading 88 dB Engine muffler also enclosed cowl Sopwith frontal opening larger main reason lower noise level reduction engine speed due larger prop 13 inches compared 12 inches Ryan QUAY BARBER MODELS SHOESTRING N\UiZG/1~I SEMI-KIT $11995 KIT$15495 Faick Rivets SEMI-KIT $11995 KIT$15495 5EPOXY/GLASS/FOAM/BALSA CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS Cosmic 8 10 lbs t5ight Wind 790 sq wing area SEtIKIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit cards welcone --..--. Ohio residents add 64% 1216 7774172 271DB Butternut RidgeNorth Olmated OhioAAO7O 144 Model Aviation PA C MODEL SUPPLYMu~RoadMasterCard Flight-Proven DesignsDealers Invited NEW PAC KAT 43 221/2 lbs 25-Powered Sport Flyer $3550 llotroductorv Price NEW Firemaster Bipe 56 61/27 lbs 60-Powered $5950 lntrrsiuctory Price Cessna 150 25-Powered 5038 plus $250 UPS Cherokee 1/ ScaleI Cessna 150 40-Powered 62All BalSa Construction 5B lbs GontsstPmoven 1 2 3 PlaceMooney 40-Powered 62ScaleLike Appearance SlowFlying Capabilities Ken BarnesEasy Construction 10-15 Sm Stable Pliers s200ee plus $500 shIppIngCherokee 40-Powered 6064995 ea plus $250 UPS PAC MODEL sam osers pus truly ReadyBailt Balsa Model Thcly Reatt.toFty Only tO minutes tram shipping bus NOWlIning held sane rode glue slab rudder taselage charge baneries GO FLYINGi Choose Irom three basin AVAILABLE snlid colors White Vellom Orange add msnokste trim desired choicest HIGH-WING TRAINAIR 25 nur AC KAT LOW-WING Inn tiper models sand built AmericanMade assembled Planes come mith FOUR CHANNEL AIRTADNICS RADIO mith FOUR SERVOS 25 OIS R/C ENGINE installed conered Spend pour lime held READY instead 01 basement TO FLY!ALL THIS FOR THE SPECIAL LOW PRICE OF ONLY ~The PAC KAT also anailable andling UFS charsnsarnodditionol Son pour local hobby shnp orde direct completely ronmed up kit can control noise level increasing muf fler size restricting muffler outlet increas ing propeller diameter Since Scale models rarely use tuned pipes concerned about prop tip speeds noise-producing element would case Pattern-type airplanes have found model flies equally well largerdiameter prop especially cowl also large diameter blade tips work outside blanketing cowl front increased efficiency large prop lowers engine rpm exhaust noise level can see no difference model performance Obviously its possible go too far direction certainly worth investigating quiet noisy model Because engine speed reduced slower exhaust velocity can now have restricted muffler outlet further drop noise level 60 en gines switching 11 x 7 12 x 6 finally 13 X 5/2 propeller has beneficial noise-reduction has side benefit real ism larger prop find possible fly reduced throttle settings models using larger muffler least likely alternative due space restrictions inside cowl accurate meaningful readings sound-level meter have found should mounted tripod distance meter models nose exhaust side measured steel tape meter read distance several feet because human body nearby will have effect either reflection absorption sound Without accurate measurements read ings can deceiving must also no reflecting material yond model course should no other engines operation nearby either ground air nearby voices will affect meter Ambient noise level club field low veiy open no highways able get comparative readings models flight accurate estimation distance problem very interesting see pen etration sound distance measured instrument rather ear has become very evident so-called quiet four-stroke en gines need mufflers far worst offenders unmuffled chainsaw engines Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Electrics/Kopski Continued page 47 vation Gas modeling spectators could still hear other speaking normal voice levels Keith Shaw Ann Arbor MI has become another Electric Fly tradition sorts daz zled crowds day both days magnificent models majestic flying simply cannot find words sufficient convey mans mastery Electric modeling matters Keith brought six models him flew least once daysome once flight Keiths brought ova tion appreciative crowd spectators DeHavilland Comet Banshee flying wing Aero Commander Shrike OT Zombie very welcome returns meets past new Hyperon racer impossible Gee Bee R-1 broughtthe awe Hyperon powered custom Astro FAL 05 cobalt faster anything Ive ever seen KRC fieldincluding liquid-powered stuff Gee Bee Keith saved till last day kept crowds glued position Hundreds people can now tell no lle does fly contrary some overheard comment true scale no departures know speak everyone Thank Keith What next Electric Fly has its share memories momenta everyone years several definite high registered Joe Utasi Jomar Products finally got orig inal OMAR canard flying Joe tried over year achieve airborne success continually experience disappointment Last years meet saw plane nose repeatedly also case early flight attempts weekend Joe joked about making annual challenge Joe also persisted on-field repair re work trimming finally got first successful flight full circle field Sunday afternoon greeted loud ovation anxious encouraging crowd dont think Ill ever forget Joes happy smiling leap joy following landing personal level John Worth AMAs Executive Director regular KRC meet brought Bill Winters new Electric design him opportunity fly plane its real joy air Unfortunately Ive misplaced notes particulars model its stick structure using economy ferrite motor located near cabin area Graupner extension shaft gear drive turning large folder understand will soon published Model Aviation Any way John asked some low flybys picturetaking purposes felt honored have chance Bills plane Im looking forward seeing results Thanks stick time Bill down side could help feeling particularly grieved misfortunes Craig Christensen Lakeville MN Craig came pre pared three magnificent gliding machines custom transport box eye-catching models drew lots attention day Saturday very impressive appearance ground equally impressive performance air Sunday brought mishaps one throughout day As best can remember rudder servo fail lost half slide-on stab/elevator assembly folded wing Craig called CD Ken Stinson after returning home described what good time well enjoyed meet despite misfortunes have since learned Craig really likes Electric meets previously attended both 1987 Astro Champs Boeing Hawks affairs earlier year See next year Craig John Sermos Sermos RC Connectors spent weekend videotaping activity called following week say well tape turned out John taped much last years meet intends edit combine footage add music track make super Electric tape understand intentions correctly John will try make tape avail able perhaps through AMA After seeing some Johns earlier video work know latest version could easily wind up being standard reference Electric Ill fill info becomes available right now see potentially best things could happen Electric youll able see what photos words herein cannot THE LEADER IN COMPETITION V i 4 CYCLE SERIES 100 DIAPRICE 12 299 K 13379 14479 15689 16989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 200/o INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566/7 9456677A 104566/7 106W8W 10BEW II4677778 Ii5W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 TI PRICE 149 149 179 189 199 199 209 209 219 229 229 239 239 279 279 279 349 459 659 969 969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 75N 5N279 8I 6778 299 SERIES 400C 8667 7 7289 9777I289 W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 7 8 677 8 67 678 January 1987 145
Edition: Model Aviation - 1987/01
Page Numbers: 44, 45, 142, 144, 145
Radio Control Scale Bob Dolly Wischer KITCHENER-WATERLOO AGAIN annual Flying Dutchmen Club Scale Rally Kitchener Waterloo eastern Ontario always attracts mul titude Scale aircraft total 162 1986s meet early September scheduled first weekend after Labor Day dont expect see WW airplanes meet date conflicts WW contest Rhinebeck New York unfortunate circumstance Canadian twin-cities Kitchener Waterloo corner prosperous triangle also includes Cambridge south Guclph eastern edge area Bob Nelitz newest masterpiece a1/3-scale Bucker Bu-1 31 Jungman Streamlined wiresare made flat wire built up solder Note leather cuffs strut wire ends Span 8 ft weight 34 lb engine Sachs Dolmar 37 U Bob Nelitz plane 1 exact detailing cockpits ultimate realism dowel fuselage framework simulates steel tubing machined instrument bezels screw-mounted panel Beneath baggage cover hatch R liesthe RC system hatchs spring hold-down latch authentic Cockpit doors have latches fit holes cockpit edges wing removed fillets remain attached fuselage Plane photographed annual Kitchener-Waterloo Scale Rally Canada Scale prop 1 also used forf lying Nose bowl cowl panelsare molded fiberglass Operational cowl latches authentic External bump near cockpit housing tachometer Glass-tube fuel gage R encased metal mounting nut safety-wired Streamlined rigging wires pass through riveted grommet Nelitz models always outstanding examples Scale builders art 44 Model Aviation surrounding countryside large contingent Scale modelers gather Scale Rally nually display newest creations fly exchange Scale hints ideas meet has grown include modelers outside area now attended large number us States travel distance frotn Wisconsin 580 miles stretched 100-mile southern excursion around Lake Michigan takes us through both Chicago Detroit Other US attendees come Michigan Ohio New York Pennsylvania STARS Club Olean NY always wellrepresented help keep sky filled airplanes Flying Dutchmen Club uses excellent system frequency control Six tall steel posts driven ground tops plac ards listing group frequencies list cludes frequencies have known conflict other 31M adjacentchannel reasons Underneath list colored triangle plywood hung peg modeler ready fly parks model adjacent post listing frequency lifts triangle its peg trades transmitter impound finished flight transmitter returned im pound given triangle returned post maximum six models can airborne same time course several airplanes ready post triangle re mains permanently impound model ers merely exchange transmitters use time system works extremely well minimum delays between flights selfpolicing no need announcements frequency available Engines started posts model taxied out line about 300 feet spectators Club members monitor takeoff landing make certain no flies behind line fellows really know make Scale rally proceed glitch Aside sheer quantity good Scale models other attractions K-W Rally Merritt Zimmerman brought newest fifth Mark 11924 Cirrus engine demonstrate its new wet-sump lubrication system engine mounted run fuselage new -scale D-H 60 Moth 325 hp 45 cu ignition four-cylinder in-line air-cooled exact scale reproduction famous aircraft en gine four-stroker swinging 20 X 14 prop 6000 rpm tremendous thrust Merritt now uses pump supply crankase oil dip pan beneath connecting rods splash lubri cation means oil no longer added fuel model clean after flight because exhaust carries no oil residue SuperContinued page 142 trim tab elevator operational stitched hinge gap rudder place Note zippered inspection pan ci fuselage side L WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 Phone 815/456-0417 VISIT OUR OUTLET STORE AT 16 MORGAN STREET IN CRYSTAL LAKE IL SEND $150 FOR DESCRIPTIVE PRODUCT CATALOG * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $225 Cat No 202 Air Cleaner Fine $225 Replacement Inserts Cat No 104 Pk/2 Inserts Coarse $195 Cat No 204 PkI2 Inserts Fine $195 FITS MOST ENGINES 25 UP SEE YOUR LOCAL HOBBY DEALER IF UNAVAILABLE LOCALLY SEND TO Add 75 shippingMichigan residents add 4% sales tax Bru Line Industries Inc PO Box 3786 Center Line Michigan 48015 January 1987 45 t SUPER Field Benchm \14 &4DEFRO SflONG FOAM WING CORES PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL POPULAR RIC AIRCRAF1 OVER 250 DIFFERENT WINGS /2 IN STOCK FOR IMMEDMTE DELI VER SO IF YOU HAVE FAVORITE BIRD THAT NEEDS WING CALL OR CRYSTAL CLEAR THERMOFORMED CANOPIES DRESS UP YOUR PLANE WITH NEW CANOPY FROM WING MFG TOP QUALITY TOOLING & MATERIAL MAKES THESE SECOND TO NONE WE HAVE LOTS OF SHAPES & SIZES IN STOCK WHICH FIT MOST KITS & SCRATCH BUILT MODELS C@O@O@O@O@O@OO VIDEO Hedge Hoppin Vol 3 Special Feature Warbird Action Tos Model Q Action interviews Scale 0 JETS British Concorde SST Retail ic Construction Beginner107 Mm49 95 Basic Flight Training Beginners65 Mm44 95 World Model Aviation 90 Mm 44 95 4Oshimosh Overuiemc 55Mm 39 95 Q rp ane Funnies 30 Mm Wild 39 95 3 ScaleMasters 60Mm4195 Warhirds Action 75MmFantastic4995 Hedge Hoppin Vol 45 Mm 41 95 9Which Way Up 70 MmAerohatim-sI47 95 Q lOHedge Hoppin Vol 2 40 Min41 953 dgeHoppinVul3 30Mm3495 Hedge Hoppin Series Feature Variety ol Avama lion Topics Fall Scale & Model CHRISTMAS SPECIAL BEGINNERS N. PACKAGE OFFER struction urchase Baalc Conprogram REEVIDEO Wreceiw 30% oft retail S13gs month onhd SPECIAL OFFER C Buy 3 programs ece ye 4th FREE Rent 3 programs aid C ece V5 4th FREE 0 Oudedag intorsnationO~ QAll Rentals $1495& U Rental DeposIt Retail Price Tape 0 Rental DuratIon 7 Days After Deli Payment Check 110 daysl MO. V M & Enp Date PhoneS CODs Ava ahe hy Phone C ShIpping 375 Foreign Canada Add 10% 0 rs 15% IL Res Add 7% Tax Academy AvIatIon R & D PO Box 277 3 Hazel Crest IL 60429 335 0776 4p$GE Z HOBBY RETAILER Dealer Plan Available installing new transmitter mountains INSTRUCTIONS Please flit card out comPletOty will broadcast 10 kHz off channel 52ef- PossIble should done soon possible after event Pinpoint location flying site bY giving ZIP fectively eliminating its usefulness DenverCode nearest street corner route numbers mites nearest town etc tf interference proven scan 5re5ncr piease describe include other intormatton thtnk mtght useful locating interference source DO NOT mati AMA mail card District Frequency Co ordinator Addresses printed month VP Re port column headings Model Aviation Magazine Since its few years since new fre quencies introduced Kurt trouble remembering what official word con cerning interference commercial transmission little research turned up info AMA News section March 1983 Model Avi ation Its article Bob Aberle Chairman AMAs RC Frequency Commit tee Quoting Bob new RC channels 50 aircraft-only chan nels will operational January J991BB spaced between existing commercial radio stations private radio services common carrier paging services etc closest can oper ate new RC channels 10 kHz However way rules written com mercial radio station operating 10 kHz away RC channel causes interference must change frequency re gard secondary user eyes FCC Because fact granted seemingly very large number authorized chan nels Selecting correct RC channel given area will become major problem espe cially near future last sentence ought etched field box Bob went say AMA estab lished District Frequency Coordination func tion advise members current potential interference commercial transmissions Lets next review RC receivers old fre quencies use before 1983 spaced 80 kHz apart first 11 new frequencies use now spaced 40 kHz apart After January 1991 will have 50 new fre quencies aircraft use spaced 20 kHz apart time spacing between channels nar rows need selective receivers 1991 receiver must able reject adjacent channels 20 kHz awayso dont shoot other down primary use station 10 kHz away can still get Thats FCC gave us 50 channelsto enable us dodge primary guys sounds like 10 kHz selec tivity long shot well does sound way time So what Its pretty obvious need determine channels avoid area conversely appear clear District Frequency Coordinator should able help info make workable system please sure inform Coordinator interference problems RC Interference Report Card insert Model Aviation June 1983 card reporting requirement shows data Coordinator will want know Report Card implies will troubles shoot-down before Coordinator gets word tt1IilllrcIftririiNci RPORTC5D ~tIr ri T.'p piIji What Coordinators really need advance information potential problems scanner like Kurt bought can tell transmissions likely hit give idea signal strength particular location monitoring have learned Denver several companies have FCC authorization transmit 10 kHz off RC channelsbut dont use frequencies regularly So may faced sporadic interference An answer might talk commercial people find out what theyre doing might get big under taking can hope have suf ficient number clear channels area MX500 sizable investmentbut clubs might consider final note about interference actually two problems above discussion about commercial interference addresses problem other interference create own transmitters no outside help has lot writing about intermodulation good luck 1991 receivers will eliminate problem Byron Blakeslee 3134 Winnebago Dr Se dalia CO 80135 RC Aerobatics/Van Putte Continued page 43 RC Pattern rules proposals published last month Competition News letter section magazine pages 132-133 RMcM Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach Florida 32548 RC Scale/Wischers Continued page 45 craftsmen abound K-W Rally previous Rallies seen Dee Harwell flying i/4.scale Great Lakes biplane Zimmermans engines years Rally Dee exhibiting own engine 612 cu miniature reproduction 1930 five-cylinder Kinner B-S model engine long-stroke design prototype 1092-in bore 1312-in stroke Cylinder heads valves came 05 160 Gemini four-stroke Top speed 20-in prop 5000 rpm tick-over idle 600 Its weight 875 lbs engine bench-mounted run often continuously-interested group modelers Dee expects have airplane soon Visitors K-W Rally treated spectacle Scale modeling its very best As past Bob Nelitz appeared newest creation A-scale Bucker Bo 131 Jungmann certainly must qualify nearly perfect Scale models ever seen Bob copied full-size Jungmann being restored using measurements photos complement Air craft Profile documentation fuselage built-up wooden dowels internal structure viewed through open cockpits authentically reproduced fullsize airplane has fold-down doors both sides cockpits model have piano hinges spring latches Both cockpits com pletely detailed Opening baggage hatch beContinued page 144 142 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run IncI Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 skip Credit price 21500 includes shipping e MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINES Box 26390 Phoenix Arizona 85068 602 870-3342 auto ant RCFS II John Kallend FOR APPLE 11 lie GREAT AS TRAINING AID FOR BEGINNER OR w FULLY AEROSATiC INCLUDING SPINS AND SNAP ROW CONFIGURE FOR LARGE VARIETY OF MODELS FROM TRAINERS TO HOT AERORATIC MODELS USE WITH DAVE BROWN PROGUCTS DUAL JOY STICK TRANSMI1TER FOR THE MOST ACCURATE SIMULATION OF B/c FLYING CAN RE USED WITH ANY APPLE COMPATARLE JOYSTICK IT EVEN HAS DUAL RATE CONTROL SENSVITY NOTE NEOUIBES APPLE II Pull RIB .Inl APPLE 110 51151 DISK DRIVE AND APPLE COMPATASLE JOY ITICK OR DAVE BROWN PRODIJCIS DIAALJOYSI1CE DAVE BROWN PRODUCTS Available Now Commodore RADIO CONTROLLED FLIGHT SIMULATOR 4560 LAYHIGH HAMILTON 0H1045013 hind rear cockpit reveals clear plastic panel beneath servos located Also within space receiver batteries Wing halves bolted fueslage cen ter section streamlined flying wires disturbed wings removed Finish fabric-coverd areas dope Hobbypoxy metal-covered portions Wingspan eight feet weight 34 pounds engine Sachs Dolmar 37 As expected model flies very much like prototype course Bob says its easier reproduce detail large Scale model must fabricated builder very little avail able ready-made Bobs Jungmann thoroughly detailed aircraft impressed everyone includ ing fellow restoring full-size air plane surprised find leather strut wire cuffs externally-mounted tachometer stand-up fuel gauge just forward front cockpit along zippered inspection pan els fabric just prototype Dick Speidel regular visitor K-W Rally new /4-scale Sopwith Camel other eye-catching models display deserving quick glance Covering material Super Coverite Randolph dope Nothing unusual Dick has changed appearance WW I-type finish rubbing dope rottenstone reduce gloss Its simple trick get elusive realism WW modelers strive achieve Dicks large-diameter detailed wheels mod elers asking source makes own wheels using plywood disc filled out balsa cones simulated spokes thread beneath fabric covering tires made rubber hose dishwasher wrapped around hubs cemented joint Shock absorbers /4-in bungee cord Edges tail surfaces wing tips aluminum tubing bent shape realistic dummy Le Rhone engine crankcase turned cherry wood Thin fins can turned cylinders using wood Quadra 50 engine uses CD ignition system has no flywheel Dick employs novel system equalizing ten sion dual rigging wires wings wire passed around tiny pulley end pivot point pulley anchored wing root machine screw recessed pocket used tighten pair wires Dick another innovators keeps us coming back K-W Rally year Some other fine models found attractive Jack Swifts Waco 10 A-scale Al Walkers Nieuport 28 Proctor kit Bob Dunns Curtiss Al Triad -scale model first Naval aircraft 1911 Jim Messers J-3 ultralight Kitten first series being built members Olean STARS Club seen electric-powered Scale models K-W previously no longer regarded novelty Steve Gray several electric models meet made flights Pilatus Porter D-H Beaver having batteries charged constantly Steve also flew Skip Masts C-130 Hercules Skip flew other could see airborne together Noisy Scale models Sound-level tests Lake Charles Nats indicated some Scale models bit too loud made investment sound-level meter Radio Shack $30 satisfy curiosity regarding noise level own fleet Scale models others turned up local club field Lakeland RC Club Using meter has quite educa tion now part equipment carry field An unmuffled four-stroke can just loud two-stroke high-flying models cone sound equal both four-stroke less likely annoy neighbors because its exhaust note lower pitch can heard same distance neighbor looking reason become annoyed could complain about either en gine fully-cowled engine Scale model quieter has its cylinder exposed However Ryan SCW muffler Su pertigre 60 engine inside cowl measured surprisingly high 100 dB 10 feet three ters above allowable 98 dB set limit FAI rules muffler homemade fit inside cowl one-inch OD aluminum tube having eight holes 140-in diameter drilled its back plate large-headed screw tapped holes partially covered several other holes equivalent five holes remained meter reading dropped ac ceptable 94 dB almost no loss engine output model flies did before adding screw excessive noise resulted too gen erous outlet muffler Another Supertigre 60 engine same type muffler cowl four outlet holes gave meter reading 88 dB Engine muffler also enclosed cowl Sopwith frontal opening larger main reason lower noise level reduction engine speed due larger prop 13 inches compared 12 inches Ryan QUAY BARBER MODELS SHOESTRING N\UiZG/1~I SEMI-KIT $11995 KIT$15495 Faick Rivets SEMI-KIT $11995 KIT$15495 5EPOXY/GLASS/FOAM/BALSA CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS Cosmic 8 10 lbs t5ight Wind 790 sq wing area SEtIKIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit cards welcone --..--. Ohio residents add 64% 1216 7774172 271DB Butternut RidgeNorth Olmated OhioAAO7O 144 Model Aviation PA C MODEL SUPPLYMu~RoadMasterCard Flight-Proven DesignsDealers Invited NEW PAC KAT 43 221/2 lbs 25-Powered Sport Flyer $3550 llotroductorv Price NEW Firemaster Bipe 56 61/27 lbs 60-Powered $5950 lntrrsiuctory Price Cessna 150 25-Powered 5038 plus $250 UPS Cherokee 1/ ScaleI Cessna 150 40-Powered 62All BalSa Construction 5B lbs GontsstPmoven 1 2 3 PlaceMooney 40-Powered 62ScaleLike Appearance SlowFlying Capabilities Ken BarnesEasy Construction 10-15 Sm Stable Pliers s200ee plus $500 shIppIngCherokee 40-Powered 6064995 ea plus $250 UPS PAC MODEL sam osers pus truly ReadyBailt Balsa Model Thcly Reatt.toFty Only tO minutes tram shipping bus NOWlIning held sane rode glue slab rudder taselage charge baneries GO FLYINGi Choose Irom three basin AVAILABLE snlid colors White Vellom Orange add msnokste trim desired choicest HIGH-WING TRAINAIR 25 nur AC KAT LOW-WING Inn tiper models sand built AmericanMade assembled Planes come mith FOUR CHANNEL AIRTADNICS RADIO mith FOUR SERVOS 25 OIS R/C ENGINE installed conered Spend pour lime held READY instead 01 basement TO FLY!ALL THIS FOR THE SPECIAL LOW PRICE OF ONLY ~The PAC KAT also anailable andling UFS charsnsarnodditionol Son pour local hobby shnp orde direct completely ronmed up kit can control noise level increasing muf fler size restricting muffler outlet increas ing propeller diameter Since Scale models rarely use tuned pipes concerned about prop tip speeds noise-producing element would case Pattern-type airplanes have found model flies equally well largerdiameter prop especially cowl also large diameter blade tips work outside blanketing cowl front increased efficiency large prop lowers engine rpm exhaust noise level can see no difference model performance Obviously its possible go too far direction certainly worth investigating quiet noisy model Because engine speed reduced slower exhaust velocity can now have restricted muffler outlet further drop noise level 60 en gines switching 11 x 7 12 x 6 finally 13 X 5/2 propeller has beneficial noise-reduction has side benefit real ism larger prop find possible fly reduced throttle settings models using larger muffler least likely alternative due space restrictions inside cowl accurate meaningful readings sound-level meter have found should mounted tripod distance meter models nose exhaust side measured steel tape meter read distance several feet because human body nearby will have effect either reflection absorption sound Without accurate measurements read ings can deceiving must also no reflecting material yond model course should no other engines operation nearby either ground air nearby voices will affect meter Ambient noise level club field low veiy open no highways able get comparative readings models flight accurate estimation distance problem very interesting see pen etration sound distance measured instrument rather ear has become very evident so-called quiet four-stroke en gines need mufflers far worst offenders unmuffled chainsaw engines Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Electrics/Kopski Continued page 47 vation Gas modeling spectators could still hear other speaking normal voice levels Keith Shaw Ann Arbor MI has become another Electric Fly tradition sorts daz zled crowds day both days magnificent models majestic flying simply cannot find words sufficient convey mans mastery Electric modeling matters Keith brought six models him flew least once daysome once flight Keiths brought ova tion appreciative crowd spectators DeHavilland Comet Banshee flying wing Aero Commander Shrike OT Zombie very welcome returns meets past new Hyperon racer impossible Gee Bee R-1 broughtthe awe Hyperon powered custom Astro FAL 05 cobalt faster anything Ive ever seen KRC fieldincluding liquid-powered stuff Gee Bee Keith saved till last day kept crowds glued position Hundreds people can now tell no lle does fly contrary some overheard comment true scale no departures know speak everyone Thank Keith What next Electric Fly has its share memories momenta everyone years several definite high registered Joe Utasi Jomar Products finally got orig inal OMAR canard flying Joe tried over year achieve airborne success continually experience disappointment Last years meet saw plane nose repeatedly also case early flight attempts weekend Joe joked about making annual challenge Joe also persisted on-field repair re work trimming finally got first successful flight full circle field Sunday afternoon greeted loud ovation anxious encouraging crowd dont think Ill ever forget Joes happy smiling leap joy following landing personal level John Worth AMAs Executive Director regular KRC meet brought Bill Winters new Electric design him opportunity fly plane its real joy air Unfortunately Ive misplaced notes particulars model its stick structure using economy ferrite motor located near cabin area Graupner extension shaft gear drive turning large folder understand will soon published Model Aviation Any way John asked some low flybys picturetaking purposes felt honored have chance Bills plane Im looking forward seeing results Thanks stick time Bill down side could help feeling particularly grieved misfortunes Craig Christensen Lakeville MN Craig came pre pared three magnificent gliding machines custom transport box eye-catching models drew lots attention day Saturday very impressive appearance ground equally impressive performance air Sunday brought mishaps one throughout day As best can remember rudder servo fail lost half slide-on stab/elevator assembly folded wing Craig called CD Ken Stinson after returning home described what good time well enjoyed meet despite misfortunes have since learned Craig really likes Electric meets previously attended both 1987 Astro Champs Boeing Hawks affairs earlier year See next year Craig John Sermos Sermos RC Connectors spent weekend videotaping activity called following week say well tape turned out John taped much last years meet intends edit combine footage add music track make super Electric tape understand intentions correctly John will try make tape avail able perhaps through AMA After seeing some Johns earlier video work know latest version could easily wind up being standard reference Electric Ill fill info becomes available right now see potentially best things could happen Electric youll able see what photos words herein cannot THE LEADER IN COMPETITION V i 4 CYCLE SERIES 100 DIAPRICE 12 299 K 13379 14479 15689 16989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 200/o INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566/7 9456677A 104566/7 106W8W 10BEW II4677778 Ii5W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 TI PRICE 149 149 179 189 199 199 209 209 219 229 229 239 239 279 279 279 349 459 659 969 969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 75N 5N279 8I 6778 299 SERIES 400C 8667 7 7289 9777I289 W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 7 8 677 8 67 678 January 1987 145
Edition: Model Aviation - 1987/01
Page Numbers: 44, 45, 142, 144, 145
Radio Control Scale Bob Dolly Wischer KITCHENER-WATERLOO AGAIN annual Flying Dutchmen Club Scale Rally Kitchener Waterloo eastern Ontario always attracts mul titude Scale aircraft total 162 1986s meet early September scheduled first weekend after Labor Day dont expect see WW airplanes meet date conflicts WW contest Rhinebeck New York unfortunate circumstance Canadian twin-cities Kitchener Waterloo corner prosperous triangle also includes Cambridge south Guclph eastern edge area Bob Nelitz newest masterpiece a1/3-scale Bucker Bu-1 31 Jungman Streamlined wiresare made flat wire built up solder Note leather cuffs strut wire ends Span 8 ft weight 34 lb engine Sachs Dolmar 37 U Bob Nelitz plane 1 exact detailing cockpits ultimate realism dowel fuselage framework simulates steel tubing machined instrument bezels screw-mounted panel Beneath baggage cover hatch R liesthe RC system hatchs spring hold-down latch authentic Cockpit doors have latches fit holes cockpit edges wing removed fillets remain attached fuselage Plane photographed annual Kitchener-Waterloo Scale Rally Canada Scale prop 1 also used forf lying Nose bowl cowl panelsare molded fiberglass Operational cowl latches authentic External bump near cockpit housing tachometer Glass-tube fuel gage R encased metal mounting nut safety-wired Streamlined rigging wires pass through riveted grommet Nelitz models always outstanding examples Scale builders art 44 Model Aviation surrounding countryside large contingent Scale modelers gather Scale Rally nually display newest creations fly exchange Scale hints ideas meet has grown include modelers outside area now attended large number us States travel distance frotn Wisconsin 580 miles stretched 100-mile southern excursion around Lake Michigan takes us through both Chicago Detroit Other US attendees come Michigan Ohio New York Pennsylvania STARS Club Olean NY always wellrepresented help keep sky filled airplanes Flying Dutchmen Club uses excellent system frequency control Six tall steel posts driven ground tops plac ards listing group frequencies list cludes frequencies have known conflict other 31M adjacentchannel reasons Underneath list colored triangle plywood hung peg modeler ready fly parks model adjacent post listing frequency lifts triangle its peg trades transmitter impound finished flight transmitter returned im pound given triangle returned post maximum six models can airborne same time course several airplanes ready post triangle re mains permanently impound model ers merely exchange transmitters use time system works extremely well minimum delays between flights selfpolicing no need announcements frequency available Engines started posts model taxied out line about 300 feet spectators Club members monitor takeoff landing make certain no flies behind line fellows really know make Scale rally proceed glitch Aside sheer quantity good Scale models other attractions K-W Rally Merritt Zimmerman brought newest fifth Mark 11924 Cirrus engine demonstrate its new wet-sump lubrication system engine mounted run fuselage new -scale D-H 60 Moth 325 hp 45 cu ignition four-cylinder in-line air-cooled exact scale reproduction famous aircraft en gine four-stroker swinging 20 X 14 prop 6000 rpm tremendous thrust Merritt now uses pump supply crankase oil dip pan beneath connecting rods splash lubri cation means oil no longer added fuel model clean after flight because exhaust carries no oil residue SuperContinued page 142 trim tab elevator operational stitched hinge gap rudder place Note zippered inspection pan ci fuselage side L WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 Phone 815/456-0417 VISIT OUR OUTLET STORE AT 16 MORGAN STREET IN CRYSTAL LAKE IL SEND $150 FOR DESCRIPTIVE PRODUCT CATALOG * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $225 Cat No 202 Air Cleaner Fine $225 Replacement Inserts Cat No 104 Pk/2 Inserts Coarse $195 Cat No 204 PkI2 Inserts Fine $195 FITS MOST ENGINES 25 UP SEE YOUR LOCAL HOBBY DEALER IF UNAVAILABLE LOCALLY SEND TO Add 75 shippingMichigan residents add 4% sales tax Bru Line Industries Inc PO Box 3786 Center Line Michigan 48015 January 1987 45 t SUPER Field Benchm \14 &4DEFRO SflONG FOAM WING CORES PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL POPULAR RIC AIRCRAF1 OVER 250 DIFFERENT WINGS /2 IN STOCK FOR IMMEDMTE DELI VER SO IF YOU HAVE FAVORITE BIRD THAT NEEDS WING CALL OR CRYSTAL CLEAR THERMOFORMED CANOPIES DRESS UP YOUR PLANE WITH NEW CANOPY FROM WING MFG TOP QUALITY TOOLING & MATERIAL MAKES THESE SECOND TO NONE WE HAVE LOTS OF SHAPES & SIZES IN STOCK WHICH FIT MOST KITS & SCRATCH BUILT MODELS C@O@O@O@O@O@OO VIDEO Hedge Hoppin Vol 3 Special Feature Warbird Action Tos Model Q Action interviews Scale 0 JETS British Concorde SST Retail ic Construction Beginner107 Mm49 95 Basic Flight Training Beginners65 Mm44 95 World Model Aviation 90 Mm 44 95 4Oshimosh Overuiemc 55Mm 39 95 Q rp ane Funnies 30 Mm Wild 39 95 3 ScaleMasters 60Mm4195 Warhirds Action 75MmFantastic4995 Hedge Hoppin Vol 45 Mm 41 95 9Which Way Up 70 MmAerohatim-sI47 95 Q lOHedge Hoppin Vol 2 40 Min41 953 dgeHoppinVul3 30Mm3495 Hedge Hoppin Series Feature Variety ol Avama lion Topics Fall Scale & Model CHRISTMAS SPECIAL BEGINNERS N. PACKAGE OFFER struction urchase Baalc Conprogram REEVIDEO Wreceiw 30% oft retail S13gs month onhd SPECIAL OFFER C Buy 3 programs ece ye 4th FREE Rent 3 programs aid C ece V5 4th FREE 0 Oudedag intorsnationO~ QAll Rentals $1495& U Rental DeposIt Retail Price Tape 0 Rental DuratIon 7 Days After Deli Payment Check 110 daysl MO. V M & Enp Date PhoneS CODs Ava ahe hy Phone C ShIpping 375 Foreign Canada Add 10% 0 rs 15% IL Res Add 7% Tax Academy AvIatIon R & D PO Box 277 3 Hazel Crest IL 60429 335 0776 4p$GE Z HOBBY RETAILER Dealer Plan Available installing new transmitter mountains INSTRUCTIONS Please flit card out comPletOty will broadcast 10 kHz off channel 52ef- PossIble should done soon possible after event Pinpoint location flying site bY giving ZIP fectively eliminating its usefulness DenverCode nearest street corner route numbers mites nearest town etc tf interference proven scan 5re5ncr piease describe include other intormatton thtnk mtght useful locating interference source DO NOT mati AMA mail card District Frequency Co ordinator Addresses printed month VP Re port column headings Model Aviation Magazine Since its few years since new fre quencies introduced Kurt trouble remembering what official word con cerning interference commercial transmission little research turned up info AMA News section March 1983 Model Avi ation Its article Bob Aberle Chairman AMAs RC Frequency Commit tee Quoting Bob new RC channels 50 aircraft-only chan nels will operational January J991BB spaced between existing commercial radio stations private radio services common carrier paging services etc closest can oper ate new RC channels 10 kHz However way rules written com mercial radio station operating 10 kHz away RC channel causes interference must change frequency re gard secondary user eyes FCC Because fact granted seemingly very large number authorized chan nels Selecting correct RC channel given area will become major problem espe cially near future last sentence ought etched field box Bob went say AMA estab lished District Frequency Coordination func tion advise members current potential interference commercial transmissions Lets next review RC receivers old fre quencies use before 1983 spaced 80 kHz apart first 11 new frequencies use now spaced 40 kHz apart After January 1991 will have 50 new fre quencies aircraft use spaced 20 kHz apart time spacing between channels nar rows need selective receivers 1991 receiver must able reject adjacent channels 20 kHz awayso dont shoot other down primary use station 10 kHz away can still get Thats FCC gave us 50 channelsto enable us dodge primary guys sounds like 10 kHz selec tivity long shot well does sound way time So what Its pretty obvious need determine channels avoid area conversely appear clear District Frequency Coordinator should able help info make workable system please sure inform Coordinator interference problems RC Interference Report Card insert Model Aviation June 1983 card reporting requirement shows data Coordinator will want know Report Card implies will troubles shoot-down before Coordinator gets word tt1IilllrcIftririiNci RPORTC5D ~tIr ri T.'p piIji What Coordinators really need advance information potential problems scanner like Kurt bought can tell transmissions likely hit give idea signal strength particular location monitoring have learned Denver several companies have FCC authorization transmit 10 kHz off RC channelsbut dont use frequencies regularly So may faced sporadic interference An answer might talk commercial people find out what theyre doing might get big under taking can hope have suf ficient number clear channels area MX500 sizable investmentbut clubs might consider final note about interference actually two problems above discussion about commercial interference addresses problem other interference create own transmitters no outside help has lot writing about intermodulation good luck 1991 receivers will eliminate problem Byron Blakeslee 3134 Winnebago Dr Se dalia CO 80135 RC Aerobatics/Van Putte Continued page 43 RC Pattern rules proposals published last month Competition News letter section magazine pages 132-133 RMcM Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach Florida 32548 RC Scale/Wischers Continued page 45 craftsmen abound K-W Rally previous Rallies seen Dee Harwell flying i/4.scale Great Lakes biplane Zimmermans engines years Rally Dee exhibiting own engine 612 cu miniature reproduction 1930 five-cylinder Kinner B-S model engine long-stroke design prototype 1092-in bore 1312-in stroke Cylinder heads valves came 05 160 Gemini four-stroke Top speed 20-in prop 5000 rpm tick-over idle 600 Its weight 875 lbs engine bench-mounted run often continuously-interested group modelers Dee expects have airplane soon Visitors K-W Rally treated spectacle Scale modeling its very best As past Bob Nelitz appeared newest creation A-scale Bucker Bo 131 Jungmann certainly must qualify nearly perfect Scale models ever seen Bob copied full-size Jungmann being restored using measurements photos complement Air craft Profile documentation fuselage built-up wooden dowels internal structure viewed through open cockpits authentically reproduced fullsize airplane has fold-down doors both sides cockpits model have piano hinges spring latches Both cockpits com pletely detailed Opening baggage hatch beContinued page 144 142 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run IncI Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 skip Credit price 21500 includes shipping e MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINES Box 26390 Phoenix Arizona 85068 602 870-3342 auto ant RCFS II John Kallend FOR APPLE 11 lie GREAT AS TRAINING AID FOR BEGINNER OR w FULLY AEROSATiC INCLUDING SPINS AND SNAP ROW CONFIGURE FOR LARGE VARIETY OF MODELS FROM TRAINERS TO HOT AERORATIC MODELS USE WITH DAVE BROWN PROGUCTS DUAL JOY STICK TRANSMI1TER FOR THE MOST ACCURATE SIMULATION OF B/c FLYING CAN RE USED WITH ANY APPLE COMPATARLE JOYSTICK IT EVEN HAS DUAL RATE CONTROL SENSVITY NOTE NEOUIBES APPLE II Pull RIB .Inl APPLE 110 51151 DISK DRIVE AND APPLE COMPATASLE JOY ITICK OR DAVE BROWN PRODIJCIS DIAALJOYSI1CE DAVE BROWN PRODUCTS Available Now Commodore RADIO CONTROLLED FLIGHT SIMULATOR 4560 LAYHIGH HAMILTON 0H1045013 hind rear cockpit reveals clear plastic panel beneath servos located Also within space receiver batteries Wing halves bolted fueslage cen ter section streamlined flying wires disturbed wings removed Finish fabric-coverd areas dope Hobbypoxy metal-covered portions Wingspan eight feet weight 34 pounds engine Sachs Dolmar 37 As expected model flies very much like prototype course Bob says its easier reproduce detail large Scale model must fabricated builder very little avail able ready-made Bobs Jungmann thoroughly detailed aircraft impressed everyone includ ing fellow restoring full-size air plane surprised find leather strut wire cuffs externally-mounted tachometer stand-up fuel gauge just forward front cockpit along zippered inspection pan els fabric just prototype Dick Speidel regular visitor K-W Rally new /4-scale Sopwith Camel other eye-catching models display deserving quick glance Covering material Super Coverite Randolph dope Nothing unusual Dick has changed appearance WW I-type finish rubbing dope rottenstone reduce gloss Its simple trick get elusive realism WW modelers strive achieve Dicks large-diameter detailed wheels mod elers asking source makes own wheels using plywood disc filled out balsa cones simulated spokes thread beneath fabric covering tires made rubber hose dishwasher wrapped around hubs cemented joint Shock absorbers /4-in bungee cord Edges tail surfaces wing tips aluminum tubing bent shape realistic dummy Le Rhone engine crankcase turned cherry wood Thin fins can turned cylinders using wood Quadra 50 engine uses CD ignition system has no flywheel Dick employs novel system equalizing ten sion dual rigging wires wings wire passed around tiny pulley end pivot point pulley anchored wing root machine screw recessed pocket used tighten pair wires Dick another innovators keeps us coming back K-W Rally year Some other fine models found attractive Jack Swifts Waco 10 A-scale Al Walkers Nieuport 28 Proctor kit Bob Dunns Curtiss Al Triad -scale model first Naval aircraft 1911 Jim Messers J-3 ultralight Kitten first series being built members Olean STARS Club seen electric-powered Scale models K-W previously no longer regarded novelty Steve Gray several electric models meet made flights Pilatus Porter D-H Beaver having batteries charged constantly Steve also flew Skip Masts C-130 Hercules Skip flew other could see airborne together Noisy Scale models Sound-level tests Lake Charles Nats indicated some Scale models bit too loud made investment sound-level meter Radio Shack $30 satisfy curiosity regarding noise level own fleet Scale models others turned up local club field Lakeland RC Club Using meter has quite educa tion now part equipment carry field An unmuffled four-stroke can just loud two-stroke high-flying models cone sound equal both four-stroke less likely annoy neighbors because its exhaust note lower pitch can heard same distance neighbor looking reason become annoyed could complain about either en gine fully-cowled engine Scale model quieter has its cylinder exposed However Ryan SCW muffler Su pertigre 60 engine inside cowl measured surprisingly high 100 dB 10 feet three ters above allowable 98 dB set limit FAI rules muffler homemade fit inside cowl one-inch OD aluminum tube having eight holes 140-in diameter drilled its back plate large-headed screw tapped holes partially covered several other holes equivalent five holes remained meter reading dropped ac ceptable 94 dB almost no loss engine output model flies did before adding screw excessive noise resulted too gen erous outlet muffler Another Supertigre 60 engine same type muffler cowl four outlet holes gave meter reading 88 dB Engine muffler also enclosed cowl Sopwith frontal opening larger main reason lower noise level reduction engine speed due larger prop 13 inches compared 12 inches Ryan QUAY BARBER MODELS SHOESTRING N\UiZG/1~I SEMI-KIT $11995 KIT$15495 Faick Rivets SEMI-KIT $11995 KIT$15495 5EPOXY/GLASS/FOAM/BALSA CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS Cosmic 8 10 lbs t5ight Wind 790 sq wing area SEtIKIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit cards welcone --..--. Ohio residents add 64% 1216 7774172 271DB Butternut RidgeNorth Olmated OhioAAO7O 144 Model Aviation PA C MODEL SUPPLYMu~RoadMasterCard Flight-Proven DesignsDealers Invited NEW PAC KAT 43 221/2 lbs 25-Powered Sport Flyer $3550 llotroductorv Price NEW Firemaster Bipe 56 61/27 lbs 60-Powered $5950 lntrrsiuctory Price Cessna 150 25-Powered 5038 plus $250 UPS Cherokee 1/ ScaleI Cessna 150 40-Powered 62All BalSa Construction 5B lbs GontsstPmoven 1 2 3 PlaceMooney 40-Powered 62ScaleLike Appearance SlowFlying Capabilities Ken BarnesEasy Construction 10-15 Sm Stable Pliers s200ee plus $500 shIppIngCherokee 40-Powered 6064995 ea plus $250 UPS PAC MODEL sam osers pus truly ReadyBailt Balsa Model Thcly Reatt.toFty Only tO minutes tram shipping bus NOWlIning held sane rode glue slab rudder taselage charge baneries GO FLYINGi Choose Irom three basin AVAILABLE snlid colors White Vellom Orange add msnokste trim desired choicest HIGH-WING TRAINAIR 25 nur AC KAT LOW-WING Inn tiper models sand built AmericanMade assembled Planes come mith FOUR CHANNEL AIRTADNICS RADIO mith FOUR SERVOS 25 OIS R/C ENGINE installed conered Spend pour lime held READY instead 01 basement TO FLY!ALL THIS FOR THE SPECIAL LOW PRICE OF ONLY ~The PAC KAT also anailable andling UFS charsnsarnodditionol Son pour local hobby shnp orde direct completely ronmed up kit can control noise level increasing muf fler size restricting muffler outlet increas ing propeller diameter Since Scale models rarely use tuned pipes concerned about prop tip speeds noise-producing element would case Pattern-type airplanes have found model flies equally well largerdiameter prop especially cowl also large diameter blade tips work outside blanketing cowl front increased efficiency large prop lowers engine rpm exhaust noise level can see no difference model performance Obviously its possible go too far direction certainly worth investigating quiet noisy model Because engine speed reduced slower exhaust velocity can now have restricted muffler outlet further drop noise level 60 en gines switching 11 x 7 12 x 6 finally 13 X 5/2 propeller has beneficial noise-reduction has side benefit real ism larger prop find possible fly reduced throttle settings models using larger muffler least likely alternative due space restrictions inside cowl accurate meaningful readings sound-level meter have found should mounted tripod distance meter models nose exhaust side measured steel tape meter read distance several feet because human body nearby will have effect either reflection absorption sound Without accurate measurements read ings can deceiving must also no reflecting material yond model course should no other engines operation nearby either ground air nearby voices will affect meter Ambient noise level club field low veiy open no highways able get comparative readings models flight accurate estimation distance problem very interesting see pen etration sound distance measured instrument rather ear has become very evident so-called quiet four-stroke en gines need mufflers far worst offenders unmuffled chainsaw engines Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Electrics/Kopski Continued page 47 vation Gas modeling spectators could still hear other speaking normal voice levels Keith Shaw Ann Arbor MI has become another Electric Fly tradition sorts daz zled crowds day both days magnificent models majestic flying simply cannot find words sufficient convey mans mastery Electric modeling matters Keith brought six models him flew least once daysome once flight Keiths brought ova tion appreciative crowd spectators DeHavilland Comet Banshee flying wing Aero Commander Shrike OT Zombie very welcome returns meets past new Hyperon racer impossible Gee Bee R-1 broughtthe awe Hyperon powered custom Astro FAL 05 cobalt faster anything Ive ever seen KRC fieldincluding liquid-powered stuff Gee Bee Keith saved till last day kept crowds glued position Hundreds people can now tell no lle does fly contrary some overheard comment true scale no departures know speak everyone Thank Keith What next Electric Fly has its share memories momenta everyone years several definite high registered Joe Utasi Jomar Products finally got orig inal OMAR canard flying Joe tried over year achieve airborne success continually experience disappointment Last years meet saw plane nose repeatedly also case early flight attempts weekend Joe joked about making annual challenge Joe also persisted on-field repair re work trimming finally got first successful flight full circle field Sunday afternoon greeted loud ovation anxious encouraging crowd dont think Ill ever forget Joes happy smiling leap joy following landing personal level John Worth AMAs Executive Director regular KRC meet brought Bill Winters new Electric design him opportunity fly plane its real joy air Unfortunately Ive misplaced notes particulars model its stick structure using economy ferrite motor located near cabin area Graupner extension shaft gear drive turning large folder understand will soon published Model Aviation Any way John asked some low flybys picturetaking purposes felt honored have chance Bills plane Im looking forward seeing results Thanks stick time Bill down side could help feeling particularly grieved misfortunes Craig Christensen Lakeville MN Craig came pre pared three magnificent gliding machines custom transport box eye-catching models drew lots attention day Saturday very impressive appearance ground equally impressive performance air Sunday brought mishaps one throughout day As best can remember rudder servo fail lost half slide-on stab/elevator assembly folded wing Craig called CD Ken Stinson after returning home described what good time well enjoyed meet despite misfortunes have since learned Craig really likes Electric meets previously attended both 1987 Astro Champs Boeing Hawks affairs earlier year See next year Craig John Sermos Sermos RC Connectors spent weekend videotaping activity called following week say well tape turned out John taped much last years meet intends edit combine footage add music track make super Electric tape understand intentions correctly John will try make tape avail able perhaps through AMA After seeing some Johns earlier video work know latest version could easily wind up being standard reference Electric Ill fill info becomes available right now see potentially best things could happen Electric youll able see what photos words herein cannot THE LEADER IN COMPETITION V i 4 CYCLE SERIES 100 DIAPRICE 12 299 K 13379 14479 15689 16989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 200/o INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566/7 9456677A 104566/7 106W8W 10BEW II4677778 Ii5W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 TI PRICE 149 149 179 189 199 199 209 209 219 229 229 239 239 279 279 279 349 459 659 969 969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 75N 5N279 8I 6778 299 SERIES 400C 8667 7 7289 9777I289 W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 7 8 677 8 67 678 January 1987 145
Edition: Model Aviation - 1987/01
Page Numbers: 44, 45, 142, 144, 145
Radio Control Scale Bob Dolly Wischer KITCHENER-WATERLOO AGAIN annual Flying Dutchmen Club Scale Rally Kitchener Waterloo eastern Ontario always attracts mul titude Scale aircraft total 162 1986s meet early September scheduled first weekend after Labor Day dont expect see WW airplanes meet date conflicts WW contest Rhinebeck New York unfortunate circumstance Canadian twin-cities Kitchener Waterloo corner prosperous triangle also includes Cambridge south Guclph eastern edge area Bob Nelitz newest masterpiece a1/3-scale Bucker Bu-1 31 Jungman Streamlined wiresare made flat wire built up solder Note leather cuffs strut wire ends Span 8 ft weight 34 lb engine Sachs Dolmar 37 U Bob Nelitz plane 1 exact detailing cockpits ultimate realism dowel fuselage framework simulates steel tubing machined instrument bezels screw-mounted panel Beneath baggage cover hatch R liesthe RC system hatchs spring hold-down latch authentic Cockpit doors have latches fit holes cockpit edges wing removed fillets remain attached fuselage Plane photographed annual Kitchener-Waterloo Scale Rally Canada Scale prop 1 also used forf lying Nose bowl cowl panelsare molded fiberglass Operational cowl latches authentic External bump near cockpit housing tachometer Glass-tube fuel gage R encased metal mounting nut safety-wired Streamlined rigging wires pass through riveted grommet Nelitz models always outstanding examples Scale builders art 44 Model Aviation surrounding countryside large contingent Scale modelers gather Scale Rally nually display newest creations fly exchange Scale hints ideas meet has grown include modelers outside area now attended large number us States travel distance frotn Wisconsin 580 miles stretched 100-mile southern excursion around Lake Michigan takes us through both Chicago Detroit Other US attendees come Michigan Ohio New York Pennsylvania STARS Club Olean NY always wellrepresented help keep sky filled airplanes Flying Dutchmen Club uses excellent system frequency control Six tall steel posts driven ground tops plac ards listing group frequencies list cludes frequencies have known conflict other 31M adjacentchannel reasons Underneath list colored triangle plywood hung peg modeler ready fly parks model adjacent post listing frequency lifts triangle its peg trades transmitter impound finished flight transmitter returned im pound given triangle returned post maximum six models can airborne same time course several airplanes ready post triangle re mains permanently impound model ers merely exchange transmitters use time system works extremely well minimum delays between flights selfpolicing no need announcements frequency available Engines started posts model taxied out line about 300 feet spectators Club members monitor takeoff landing make certain no flies behind line fellows really know make Scale rally proceed glitch Aside sheer quantity good Scale models other attractions K-W Rally Merritt Zimmerman brought newest fifth Mark 11924 Cirrus engine demonstrate its new wet-sump lubrication system engine mounted run fuselage new -scale D-H 60 Moth 325 hp 45 cu ignition four-cylinder in-line air-cooled exact scale reproduction famous aircraft en gine four-stroker swinging 20 X 14 prop 6000 rpm tremendous thrust Merritt now uses pump supply crankase oil dip pan beneath connecting rods splash lubri cation means oil no longer added fuel model clean after flight because exhaust carries no oil residue SuperContinued page 142 trim tab elevator operational stitched hinge gap rudder place Note zippered inspection pan ci fuselage side L WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 Phone 815/456-0417 VISIT OUR OUTLET STORE AT 16 MORGAN STREET IN CRYSTAL LAKE IL SEND $150 FOR DESCRIPTIVE PRODUCT CATALOG * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $225 Cat No 202 Air Cleaner Fine $225 Replacement Inserts Cat No 104 Pk/2 Inserts Coarse $195 Cat No 204 PkI2 Inserts Fine $195 FITS MOST ENGINES 25 UP SEE YOUR LOCAL HOBBY DEALER IF UNAVAILABLE LOCALLY SEND TO Add 75 shippingMichigan residents add 4% sales tax Bru Line Industries Inc PO Box 3786 Center Line Michigan 48015 January 1987 45 t SUPER Field Benchm \14 &4DEFRO SflONG FOAM WING CORES PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL POPULAR RIC AIRCRAF1 OVER 250 DIFFERENT WINGS /2 IN STOCK FOR IMMEDMTE DELI VER SO IF YOU HAVE FAVORITE BIRD THAT NEEDS WING CALL OR CRYSTAL CLEAR THERMOFORMED CANOPIES DRESS UP YOUR PLANE WITH NEW CANOPY FROM WING MFG TOP QUALITY TOOLING & MATERIAL MAKES THESE SECOND TO NONE WE HAVE LOTS OF SHAPES & SIZES IN STOCK WHICH FIT MOST KITS & SCRATCH BUILT MODELS C@O@O@O@O@O@OO VIDEO Hedge Hoppin Vol 3 Special Feature Warbird Action Tos Model Q Action interviews Scale 0 JETS British Concorde SST Retail ic Construction Beginner107 Mm49 95 Basic Flight Training Beginners65 Mm44 95 World Model Aviation 90 Mm 44 95 4Oshimosh Overuiemc 55Mm 39 95 Q rp ane Funnies 30 Mm Wild 39 95 3 ScaleMasters 60Mm4195 Warhirds Action 75MmFantastic4995 Hedge Hoppin Vol 45 Mm 41 95 9Which Way Up 70 MmAerohatim-sI47 95 Q lOHedge Hoppin Vol 2 40 Min41 953 dgeHoppinVul3 30Mm3495 Hedge Hoppin Series Feature Variety ol Avama lion Topics Fall Scale & Model CHRISTMAS SPECIAL BEGINNERS N. PACKAGE OFFER struction urchase Baalc Conprogram REEVIDEO Wreceiw 30% oft retail S13gs month onhd SPECIAL OFFER C Buy 3 programs ece ye 4th FREE Rent 3 programs aid C ece V5 4th FREE 0 Oudedag intorsnationO~ QAll Rentals $1495& U Rental DeposIt Retail Price Tape 0 Rental DuratIon 7 Days After Deli Payment Check 110 daysl MO. V M & Enp Date PhoneS CODs Ava ahe hy Phone C ShIpping 375 Foreign Canada Add 10% 0 rs 15% IL Res Add 7% Tax Academy AvIatIon R & D PO Box 277 3 Hazel Crest IL 60429 335 0776 4p$GE Z HOBBY RETAILER Dealer Plan Available installing new transmitter mountains INSTRUCTIONS Please flit card out comPletOty will broadcast 10 kHz off channel 52ef- PossIble should done soon possible after event Pinpoint location flying site bY giving ZIP fectively eliminating its usefulness DenverCode nearest street corner route numbers mites nearest town etc tf interference proven scan 5re5ncr piease describe include other intormatton thtnk mtght useful locating interference source DO NOT mati AMA mail card District Frequency Co ordinator Addresses printed month VP Re port column headings Model Aviation Magazine Since its few years since new fre quencies introduced Kurt trouble remembering what official word con cerning interference commercial transmission little research turned up info AMA News section March 1983 Model Avi ation Its article Bob Aberle Chairman AMAs RC Frequency Commit tee Quoting Bob new RC channels 50 aircraft-only chan nels will operational January J991BB spaced between existing commercial radio stations private radio services common carrier paging services etc closest can oper ate new RC channels 10 kHz However way rules written com mercial radio station operating 10 kHz away RC channel causes interference must change frequency re gard secondary user eyes FCC Because fact granted seemingly very large number authorized chan nels Selecting correct RC channel given area will become major problem espe cially near future last sentence ought etched field box Bob went say AMA estab lished District Frequency Coordination func tion advise members current potential interference commercial transmissions Lets next review RC receivers old fre quencies use before 1983 spaced 80 kHz apart first 11 new frequencies use now spaced 40 kHz apart After January 1991 will have 50 new fre quencies aircraft use spaced 20 kHz apart time spacing between channels nar rows need selective receivers 1991 receiver must able reject adjacent channels 20 kHz awayso dont shoot other down primary use station 10 kHz away can still get Thats FCC gave us 50 channelsto enable us dodge primary guys sounds like 10 kHz selec tivity long shot well does sound way time So what Its pretty obvious need determine channels avoid area conversely appear clear District Frequency Coordinator should able help info make workable system please sure inform Coordinator interference problems RC Interference Report Card insert Model Aviation June 1983 card reporting requirement shows data Coordinator will want know Report Card implies will troubles shoot-down before Coordinator gets word tt1IilllrcIftririiNci RPORTC5D ~tIr ri T.'p piIji What Coordinators really need advance information potential problems scanner like Kurt bought can tell transmissions likely hit give idea signal strength particular location monitoring have learned Denver several companies have FCC authorization transmit 10 kHz off RC channelsbut dont use frequencies regularly So may faced sporadic interference An answer might talk commercial people find out what theyre doing might get big under taking can hope have suf ficient number clear channels area MX500 sizable investmentbut clubs might consider final note about interference actually two problems above discussion about commercial interference addresses problem other interference create own transmitters no outside help has lot writing about intermodulation good luck 1991 receivers will eliminate problem Byron Blakeslee 3134 Winnebago Dr Se dalia CO 80135 RC Aerobatics/Van Putte Continued page 43 RC Pattern rules proposals published last month Competition News letter section magazine pages 132-133 RMcM Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach Florida 32548 RC Scale/Wischers Continued page 45 craftsmen abound K-W Rally previous Rallies seen Dee Harwell flying i/4.scale Great Lakes biplane Zimmermans engines years Rally Dee exhibiting own engine 612 cu miniature reproduction 1930 five-cylinder Kinner B-S model engine long-stroke design prototype 1092-in bore 1312-in stroke Cylinder heads valves came 05 160 Gemini four-stroke Top speed 20-in prop 5000 rpm tick-over idle 600 Its weight 875 lbs engine bench-mounted run often continuously-interested group modelers Dee expects have airplane soon Visitors K-W Rally treated spectacle Scale modeling its very best As past Bob Nelitz appeared newest creation A-scale Bucker Bo 131 Jungmann certainly must qualify nearly perfect Scale models ever seen Bob copied full-size Jungmann being restored using measurements photos complement Air craft Profile documentation fuselage built-up wooden dowels internal structure viewed through open cockpits authentically reproduced fullsize airplane has fold-down doors both sides cockpits model have piano hinges spring latches Both cockpits com pletely detailed Opening baggage hatch beContinued page 144 142 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run IncI Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 skip Credit price 21500 includes shipping e MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINES Box 26390 Phoenix Arizona 85068 602 870-3342 auto ant RCFS II John Kallend FOR APPLE 11 lie GREAT AS TRAINING AID FOR BEGINNER OR w FULLY AEROSATiC INCLUDING SPINS AND SNAP ROW CONFIGURE FOR LARGE VARIETY OF MODELS FROM TRAINERS TO HOT AERORATIC MODELS USE WITH DAVE BROWN PROGUCTS DUAL JOY STICK TRANSMI1TER FOR THE MOST ACCURATE SIMULATION OF B/c FLYING CAN RE USED WITH ANY APPLE COMPATARLE JOYSTICK IT EVEN HAS DUAL RATE CONTROL SENSVITY NOTE NEOUIBES APPLE II Pull RIB .Inl APPLE 110 51151 DISK DRIVE AND APPLE COMPATASLE JOY ITICK OR DAVE BROWN PRODIJCIS DIAALJOYSI1CE DAVE BROWN PRODUCTS Available Now Commodore RADIO CONTROLLED FLIGHT SIMULATOR 4560 LAYHIGH HAMILTON 0H1045013 hind rear cockpit reveals clear plastic panel beneath servos located Also within space receiver batteries Wing halves bolted fueslage cen ter section streamlined flying wires disturbed wings removed Finish fabric-coverd areas dope Hobbypoxy metal-covered portions Wingspan eight feet weight 34 pounds engine Sachs Dolmar 37 As expected model flies very much like prototype course Bob says its easier reproduce detail large Scale model must fabricated builder very little avail able ready-made Bobs Jungmann thoroughly detailed aircraft impressed everyone includ ing fellow restoring full-size air plane surprised find leather strut wire cuffs externally-mounted tachometer stand-up fuel gauge just forward front cockpit along zippered inspection pan els fabric just prototype Dick Speidel regular visitor K-W Rally new /4-scale Sopwith Camel other eye-catching models display deserving quick glance Covering material Super Coverite Randolph dope Nothing unusual Dick has changed appearance WW I-type finish rubbing dope rottenstone reduce gloss Its simple trick get elusive realism WW modelers strive achieve Dicks large-diameter detailed wheels mod elers asking source makes own wheels using plywood disc filled out balsa cones simulated spokes thread beneath fabric covering tires made rubber hose dishwasher wrapped around hubs cemented joint Shock absorbers /4-in bungee cord Edges tail surfaces wing tips aluminum tubing bent shape realistic dummy Le Rhone engine crankcase turned cherry wood Thin fins can turned cylinders using wood Quadra 50 engine uses CD ignition system has no flywheel Dick employs novel system equalizing ten sion dual rigging wires wings wire passed around tiny pulley end pivot point pulley anchored wing root machine screw recessed pocket used tighten pair wires Dick another innovators keeps us coming back K-W Rally year Some other fine models found attractive Jack Swifts Waco 10 A-scale Al Walkers Nieuport 28 Proctor kit Bob Dunns Curtiss Al Triad -scale model first Naval aircraft 1911 Jim Messers J-3 ultralight Kitten first series being built members Olean STARS Club seen electric-powered Scale models K-W previously no longer regarded novelty Steve Gray several electric models meet made flights Pilatus Porter D-H Beaver having batteries charged constantly Steve also flew Skip Masts C-130 Hercules Skip flew other could see airborne together Noisy Scale models Sound-level tests Lake Charles Nats indicated some Scale models bit too loud made investment sound-level meter Radio Shack $30 satisfy curiosity regarding noise level own fleet Scale models others turned up local club field Lakeland RC Club Using meter has quite educa tion now part equipment carry field An unmuffled four-stroke can just loud two-stroke high-flying models cone sound equal both four-stroke less likely annoy neighbors because its exhaust note lower pitch can heard same distance neighbor looking reason become annoyed could complain about either en gine fully-cowled engine Scale model quieter has its cylinder exposed However Ryan SCW muffler Su pertigre 60 engine inside cowl measured surprisingly high 100 dB 10 feet three ters above allowable 98 dB set limit FAI rules muffler homemade fit inside cowl one-inch OD aluminum tube having eight holes 140-in diameter drilled its back plate large-headed screw tapped holes partially covered several other holes equivalent five holes remained meter reading dropped ac ceptable 94 dB almost no loss engine output model flies did before adding screw excessive noise resulted too gen erous outlet muffler Another Supertigre 60 engine same type muffler cowl four outlet holes gave meter reading 88 dB Engine muffler also enclosed cowl Sopwith frontal opening larger main reason lower noise level reduction engine speed due larger prop 13 inches compared 12 inches Ryan QUAY BARBER MODELS SHOESTRING N\UiZG/1~I SEMI-KIT $11995 KIT$15495 Faick Rivets SEMI-KIT $11995 KIT$15495 5EPOXY/GLASS/FOAM/BALSA CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS Cosmic 8 10 lbs t5ight Wind 790 sq wing area SEtIKIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit cards welcone --..--. Ohio residents add 64% 1216 7774172 271DB Butternut RidgeNorth Olmated OhioAAO7O 144 Model Aviation PA C MODEL SUPPLYMu~RoadMasterCard Flight-Proven DesignsDealers Invited NEW PAC KAT 43 221/2 lbs 25-Powered Sport Flyer $3550 llotroductorv Price NEW Firemaster Bipe 56 61/27 lbs 60-Powered $5950 lntrrsiuctory Price Cessna 150 25-Powered 5038 plus $250 UPS Cherokee 1/ ScaleI Cessna 150 40-Powered 62All BalSa Construction 5B lbs GontsstPmoven 1 2 3 PlaceMooney 40-Powered 62ScaleLike Appearance SlowFlying Capabilities Ken BarnesEasy Construction 10-15 Sm Stable Pliers s200ee plus $500 shIppIngCherokee 40-Powered 6064995 ea plus $250 UPS PAC MODEL sam osers pus truly ReadyBailt Balsa Model Thcly Reatt.toFty Only tO minutes tram shipping bus NOWlIning held sane rode glue slab rudder taselage charge baneries GO FLYINGi Choose Irom three basin AVAILABLE snlid colors White Vellom Orange add msnokste trim desired choicest HIGH-WING TRAINAIR 25 nur AC KAT LOW-WING Inn tiper models sand built AmericanMade assembled Planes come mith FOUR CHANNEL AIRTADNICS RADIO mith FOUR SERVOS 25 OIS R/C ENGINE installed conered Spend pour lime held READY instead 01 basement TO FLY!ALL THIS FOR THE SPECIAL LOW PRICE OF ONLY ~The PAC KAT also anailable andling UFS charsnsarnodditionol Son pour local hobby shnp orde direct completely ronmed up kit can control noise level increasing muf fler size restricting muffler outlet increas ing propeller diameter Since Scale models rarely use tuned pipes concerned about prop tip speeds noise-producing element would case Pattern-type airplanes have found model flies equally well largerdiameter prop especially cowl also large diameter blade tips work outside blanketing cowl front increased efficiency large prop lowers engine rpm exhaust noise level can see no difference model performance Obviously its possible go too far direction certainly worth investigating quiet noisy model Because engine speed reduced slower exhaust velocity can now have restricted muffler outlet further drop noise level 60 en gines switching 11 x 7 12 x 6 finally 13 X 5/2 propeller has beneficial noise-reduction has side benefit real ism larger prop find possible fly reduced throttle settings models using larger muffler least likely alternative due space restrictions inside cowl accurate meaningful readings sound-level meter have found should mounted tripod distance meter models nose exhaust side measured steel tape meter read distance several feet because human body nearby will have effect either reflection absorption sound Without accurate measurements read ings can deceiving must also no reflecting material yond model course should no other engines operation nearby either ground air nearby voices will affect meter Ambient noise level club field low veiy open no highways able get comparative readings models flight accurate estimation distance problem very interesting see pen etration sound distance measured instrument rather ear has become very evident so-called quiet four-stroke en gines need mufflers far worst offenders unmuffled chainsaw engines Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Electrics/Kopski Continued page 47 vation Gas modeling spectators could still hear other speaking normal voice levels Keith Shaw Ann Arbor MI has become another Electric Fly tradition sorts daz zled crowds day both days magnificent models majestic flying simply cannot find words sufficient convey mans mastery Electric modeling matters Keith brought six models him flew least once daysome once flight Keiths brought ova tion appreciative crowd spectators DeHavilland Comet Banshee flying wing Aero Commander Shrike OT Zombie very welcome returns meets past new Hyperon racer impossible Gee Bee R-1 broughtthe awe Hyperon powered custom Astro FAL 05 cobalt faster anything Ive ever seen KRC fieldincluding liquid-powered stuff Gee Bee Keith saved till last day kept crowds glued position Hundreds people can now tell no lle does fly contrary some overheard comment true scale no departures know speak everyone Thank Keith What next Electric Fly has its share memories momenta everyone years several definite high registered Joe Utasi Jomar Products finally got orig inal OMAR canard flying Joe tried over year achieve airborne success continually experience disappointment Last years meet saw plane nose repeatedly also case early flight attempts weekend Joe joked about making annual challenge Joe also persisted on-field repair re work trimming finally got first successful flight full circle field Sunday afternoon greeted loud ovation anxious encouraging crowd dont think Ill ever forget Joes happy smiling leap joy following landing personal level John Worth AMAs Executive Director regular KRC meet brought Bill Winters new Electric design him opportunity fly plane its real joy air Unfortunately Ive misplaced notes particulars model its stick structure using economy ferrite motor located near cabin area Graupner extension shaft gear drive turning large folder understand will soon published Model Aviation Any way John asked some low flybys picturetaking purposes felt honored have chance Bills plane Im looking forward seeing results Thanks stick time Bill down side could help feeling particularly grieved misfortunes Craig Christensen Lakeville MN Craig came pre pared three magnificent gliding machines custom transport box eye-catching models drew lots attention day Saturday very impressive appearance ground equally impressive performance air Sunday brought mishaps one throughout day As best can remember rudder servo fail lost half slide-on stab/elevator assembly folded wing Craig called CD Ken Stinson after returning home described what good time well enjoyed meet despite misfortunes have since learned Craig really likes Electric meets previously attended both 1987 Astro Champs Boeing Hawks affairs earlier year See next year Craig John Sermos Sermos RC Connectors spent weekend videotaping activity called following week say well tape turned out John taped much last years meet intends edit combine footage add music track make super Electric tape understand intentions correctly John will try make tape avail able perhaps through AMA After seeing some Johns earlier video work know latest version could easily wind up being standard reference Electric Ill fill info becomes available right now see potentially best things could happen Electric youll able see what photos words herein cannot THE LEADER IN COMPETITION V i 4 CYCLE SERIES 100 DIAPRICE 12 299 K 13379 14479 15689 16989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 200/o INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566/7 9456677A 104566/7 106W8W 10BEW II4677778 Ii5W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 TI PRICE 149 149 179 189 199 199 209 209 219 229 229 239 239 279 279 279 349 459 659 969 969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 75N 5N279 8I 6778 299 SERIES 400C 8667 7 7289 9777I289 W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 7 8 677 8 67 678 January 1987 145
Edition: Model Aviation - 1987/01
Page Numbers: 44, 45, 142, 144, 145
Radio Control Scale Bob Dolly Wischer KITCHENER-WATERLOO AGAIN annual Flying Dutchmen Club Scale Rally Kitchener Waterloo eastern Ontario always attracts mul titude Scale aircraft total 162 1986s meet early September scheduled first weekend after Labor Day dont expect see WW airplanes meet date conflicts WW contest Rhinebeck New York unfortunate circumstance Canadian twin-cities Kitchener Waterloo corner prosperous triangle also includes Cambridge south Guclph eastern edge area Bob Nelitz newest masterpiece a1/3-scale Bucker Bu-1 31 Jungman Streamlined wiresare made flat wire built up solder Note leather cuffs strut wire ends Span 8 ft weight 34 lb engine Sachs Dolmar 37 U Bob Nelitz plane 1 exact detailing cockpits ultimate realism dowel fuselage framework simulates steel tubing machined instrument bezels screw-mounted panel Beneath baggage cover hatch R liesthe RC system hatchs spring hold-down latch authentic Cockpit doors have latches fit holes cockpit edges wing removed fillets remain attached fuselage Plane photographed annual Kitchener-Waterloo Scale Rally Canada Scale prop 1 also used forf lying Nose bowl cowl panelsare molded fiberglass Operational cowl latches authentic External bump near cockpit housing tachometer Glass-tube fuel gage R encased metal mounting nut safety-wired Streamlined rigging wires pass through riveted grommet Nelitz models always outstanding examples Scale builders art 44 Model Aviation surrounding countryside large contingent Scale modelers gather Scale Rally nually display newest creations fly exchange Scale hints ideas meet has grown include modelers outside area now attended large number us States travel distance frotn Wisconsin 580 miles stretched 100-mile southern excursion around Lake Michigan takes us through both Chicago Detroit Other US attendees come Michigan Ohio New York Pennsylvania STARS Club Olean NY always wellrepresented help keep sky filled airplanes Flying Dutchmen Club uses excellent system frequency control Six tall steel posts driven ground tops plac ards listing group frequencies list cludes frequencies have known conflict other 31M adjacentchannel reasons Underneath list colored triangle plywood hung peg modeler ready fly parks model adjacent post listing frequency lifts triangle its peg trades transmitter impound finished flight transmitter returned im pound given triangle returned post maximum six models can airborne same time course several airplanes ready post triangle re mains permanently impound model ers merely exchange transmitters use time system works extremely well minimum delays between flights selfpolicing no need announcements frequency available Engines started posts model taxied out line about 300 feet spectators Club members monitor takeoff landing make certain no flies behind line fellows really know make Scale rally proceed glitch Aside sheer quantity good Scale models other attractions K-W Rally Merritt Zimmerman brought newest fifth Mark 11924 Cirrus engine demonstrate its new wet-sump lubrication system engine mounted run fuselage new -scale D-H 60 Moth 325 hp 45 cu ignition four-cylinder in-line air-cooled exact scale reproduction famous aircraft en gine four-stroker swinging 20 X 14 prop 6000 rpm tremendous thrust Merritt now uses pump supply crankase oil dip pan beneath connecting rods splash lubri cation means oil no longer added fuel model clean after flight because exhaust carries no oil residue SuperContinued page 142 trim tab elevator operational stitched hinge gap rudder place Note zippered inspection pan ci fuselage side L WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 Phone 815/456-0417 VISIT OUR OUTLET STORE AT 16 MORGAN STREET IN CRYSTAL LAKE IL SEND $150 FOR DESCRIPTIVE PRODUCT CATALOG * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $225 Cat No 202 Air Cleaner Fine $225 Replacement Inserts Cat No 104 Pk/2 Inserts Coarse $195 Cat No 204 PkI2 Inserts Fine $195 FITS MOST ENGINES 25 UP SEE YOUR LOCAL HOBBY DEALER IF UNAVAILABLE LOCALLY SEND TO Add 75 shippingMichigan residents add 4% sales tax Bru Line Industries Inc PO Box 3786 Center Line Michigan 48015 January 1987 45 t SUPER Field Benchm \14 &4DEFRO SflONG FOAM WING CORES PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL POPULAR RIC AIRCRAF1 OVER 250 DIFFERENT WINGS /2 IN STOCK FOR IMMEDMTE DELI VER SO IF YOU HAVE FAVORITE BIRD THAT NEEDS WING CALL OR CRYSTAL CLEAR THERMOFORMED CANOPIES DRESS UP YOUR PLANE WITH NEW CANOPY FROM WING MFG TOP QUALITY TOOLING & MATERIAL MAKES THESE SECOND TO NONE WE HAVE LOTS OF SHAPES & SIZES IN STOCK WHICH FIT MOST KITS & SCRATCH BUILT MODELS C@O@O@O@O@O@OO VIDEO Hedge Hoppin Vol 3 Special Feature Warbird Action Tos Model Q Action interviews Scale 0 JETS British Concorde SST Retail ic Construction Beginner107 Mm49 95 Basic Flight Training Beginners65 Mm44 95 World Model Aviation 90 Mm 44 95 4Oshimosh Overuiemc 55Mm 39 95 Q rp ane Funnies 30 Mm Wild 39 95 3 ScaleMasters 60Mm4195 Warhirds Action 75MmFantastic4995 Hedge Hoppin Vol 45 Mm 41 95 9Which Way Up 70 MmAerohatim-sI47 95 Q lOHedge Hoppin Vol 2 40 Min41 953 dgeHoppinVul3 30Mm3495 Hedge Hoppin Series Feature Variety ol Avama lion Topics Fall Scale & Model CHRISTMAS SPECIAL BEGINNERS N. PACKAGE OFFER struction urchase Baalc Conprogram REEVIDEO Wreceiw 30% oft retail S13gs month onhd SPECIAL OFFER C Buy 3 programs ece ye 4th FREE Rent 3 programs aid C ece V5 4th FREE 0 Oudedag intorsnationO~ QAll Rentals $1495& U Rental DeposIt Retail Price Tape 0 Rental DuratIon 7 Days After Deli Payment Check 110 daysl MO. V M & Enp Date PhoneS CODs Ava ahe hy Phone C ShIpping 375 Foreign Canada Add 10% 0 rs 15% IL Res Add 7% Tax Academy AvIatIon R & D PO Box 277 3 Hazel Crest IL 60429 335 0776 4p$GE Z HOBBY RETAILER Dealer Plan Available installing new transmitter mountains INSTRUCTIONS Please flit card out comPletOty will broadcast 10 kHz off channel 52ef- PossIble should done soon possible after event Pinpoint location flying site bY giving ZIP fectively eliminating its usefulness DenverCode nearest street corner route numbers mites nearest town etc tf interference proven scan 5re5ncr piease describe include other intormatton thtnk mtght useful locating interference source DO NOT mati AMA mail card District Frequency Co ordinator Addresses printed month VP Re port column headings Model Aviation Magazine Since its few years since new fre quencies introduced Kurt trouble remembering what official word con cerning interference commercial transmission little research turned up info AMA News section March 1983 Model Avi ation Its article Bob Aberle Chairman AMAs RC Frequency Commit tee Quoting Bob new RC channels 50 aircraft-only chan nels will operational January J991BB spaced between existing commercial radio stations private radio services common carrier paging services etc closest can oper ate new RC channels 10 kHz However way rules written com mercial radio station operating 10 kHz away RC channel causes interference must change frequency re gard secondary user eyes FCC Because fact granted seemingly very large number authorized chan nels Selecting correct RC channel given area will become major problem espe cially near future last sentence ought etched field box Bob went say AMA estab lished District Frequency Coordination func tion advise members current potential interference commercial transmissions Lets next review RC receivers old fre quencies use before 1983 spaced 80 kHz apart first 11 new frequencies use now spaced 40 kHz apart After January 1991 will have 50 new fre quencies aircraft use spaced 20 kHz apart time spacing between channels nar rows need selective receivers 1991 receiver must able reject adjacent channels 20 kHz awayso dont shoot other down primary use station 10 kHz away can still get Thats FCC gave us 50 channelsto enable us dodge primary guys sounds like 10 kHz selec tivity long shot well does sound way time So what Its pretty obvious need determine channels avoid area conversely appear clear District Frequency Coordinator should able help info make workable system please sure inform Coordinator interference problems RC Interference Report Card insert Model Aviation June 1983 card reporting requirement shows data Coordinator will want know Report Card implies will troubles shoot-down before Coordinator gets word tt1IilllrcIftririiNci RPORTC5D ~tIr ri T.'p piIji What Coordinators really need advance information potential problems scanner like Kurt bought can tell transmissions likely hit give idea signal strength particular location monitoring have learned Denver several companies have FCC authorization transmit 10 kHz off RC channelsbut dont use frequencies regularly So may faced sporadic interference An answer might talk commercial people find out what theyre doing might get big under taking can hope have suf ficient number clear channels area MX500 sizable investmentbut clubs might consider final note about interference actually two problems above discussion about commercial interference addresses problem other interference create own transmitters no outside help has lot writing about intermodulation good luck 1991 receivers will eliminate problem Byron Blakeslee 3134 Winnebago Dr Se dalia CO 80135 RC Aerobatics/Van Putte Continued page 43 RC Pattern rules proposals published last month Competition News letter section magazine pages 132-133 RMcM Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach Florida 32548 RC Scale/Wischers Continued page 45 craftsmen abound K-W Rally previous Rallies seen Dee Harwell flying i/4.scale Great Lakes biplane Zimmermans engines years Rally Dee exhibiting own engine 612 cu miniature reproduction 1930 five-cylinder Kinner B-S model engine long-stroke design prototype 1092-in bore 1312-in stroke Cylinder heads valves came 05 160 Gemini four-stroke Top speed 20-in prop 5000 rpm tick-over idle 600 Its weight 875 lbs engine bench-mounted run often continuously-interested group modelers Dee expects have airplane soon Visitors K-W Rally treated spectacle Scale modeling its very best As past Bob Nelitz appeared newest creation A-scale Bucker Bo 131 Jungmann certainly must qualify nearly perfect Scale models ever seen Bob copied full-size Jungmann being restored using measurements photos complement Air craft Profile documentation fuselage built-up wooden dowels internal structure viewed through open cockpits authentically reproduced fullsize airplane has fold-down doors both sides cockpits model have piano hinges spring latches Both cockpits com pletely detailed Opening baggage hatch beContinued page 144 142 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run IncI Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 skip Credit price 21500 includes shipping e MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINES Box 26390 Phoenix Arizona 85068 602 870-3342 auto ant RCFS II John Kallend FOR APPLE 11 lie GREAT AS TRAINING AID FOR BEGINNER OR w FULLY AEROSATiC INCLUDING SPINS AND SNAP ROW CONFIGURE FOR LARGE VARIETY OF MODELS FROM TRAINERS TO HOT AERORATIC MODELS USE WITH DAVE BROWN PROGUCTS DUAL JOY STICK TRANSMI1TER FOR THE MOST ACCURATE SIMULATION OF B/c FLYING CAN RE USED WITH ANY APPLE COMPATARLE JOYSTICK IT EVEN HAS DUAL RATE CONTROL SENSVITY NOTE NEOUIBES APPLE II Pull RIB .Inl APPLE 110 51151 DISK DRIVE AND APPLE COMPATASLE JOY ITICK OR DAVE BROWN PRODIJCIS DIAALJOYSI1CE DAVE BROWN PRODUCTS Available Now Commodore RADIO CONTROLLED FLIGHT SIMULATOR 4560 LAYHIGH HAMILTON 0H1045013 hind rear cockpit reveals clear plastic panel beneath servos located Also within space receiver batteries Wing halves bolted fueslage cen ter section streamlined flying wires disturbed wings removed Finish fabric-coverd areas dope Hobbypoxy metal-covered portions Wingspan eight feet weight 34 pounds engine Sachs Dolmar 37 As expected model flies very much like prototype course Bob says its easier reproduce detail large Scale model must fabricated builder very little avail able ready-made Bobs Jungmann thoroughly detailed aircraft impressed everyone includ ing fellow restoring full-size air plane surprised find leather strut wire cuffs externally-mounted tachometer stand-up fuel gauge just forward front cockpit along zippered inspection pan els fabric just prototype Dick Speidel regular visitor K-W Rally new /4-scale Sopwith Camel other eye-catching models display deserving quick glance Covering material Super Coverite Randolph dope Nothing unusual Dick has changed appearance WW I-type finish rubbing dope rottenstone reduce gloss Its simple trick get elusive realism WW modelers strive achieve Dicks large-diameter detailed wheels mod elers asking source makes own wheels using plywood disc filled out balsa cones simulated spokes thread beneath fabric covering tires made rubber hose dishwasher wrapped around hubs cemented joint Shock absorbers /4-in bungee cord Edges tail surfaces wing tips aluminum tubing bent shape realistic dummy Le Rhone engine crankcase turned cherry wood Thin fins can turned cylinders using wood Quadra 50 engine uses CD ignition system has no flywheel Dick employs novel system equalizing ten sion dual rigging wires wings wire passed around tiny pulley end pivot point pulley anchored wing root machine screw recessed pocket used tighten pair wires Dick another innovators keeps us coming back K-W Rally year Some other fine models found attractive Jack Swifts Waco 10 A-scale Al Walkers Nieuport 28 Proctor kit Bob Dunns Curtiss Al Triad -scale model first Naval aircraft 1911 Jim Messers J-3 ultralight Kitten first series being built members Olean STARS Club seen electric-powered Scale models K-W previously no longer regarded novelty Steve Gray several electric models meet made flights Pilatus Porter D-H Beaver having batteries charged constantly Steve also flew Skip Masts C-130 Hercules Skip flew other could see airborne together Noisy Scale models Sound-level tests Lake Charles Nats indicated some Scale models bit too loud made investment sound-level meter Radio Shack $30 satisfy curiosity regarding noise level own fleet Scale models others turned up local club field Lakeland RC Club Using meter has quite educa tion now part equipment carry field An unmuffled four-stroke can just loud two-stroke high-flying models cone sound equal both four-stroke less likely annoy neighbors because its exhaust note lower pitch can heard same distance neighbor looking reason become annoyed could complain about either en gine fully-cowled engine Scale model quieter has its cylinder exposed However Ryan SCW muffler Su pertigre 60 engine inside cowl measured surprisingly high 100 dB 10 feet three ters above allowable 98 dB set limit FAI rules muffler homemade fit inside cowl one-inch OD aluminum tube having eight holes 140-in diameter drilled its back plate large-headed screw tapped holes partially covered several other holes equivalent five holes remained meter reading dropped ac ceptable 94 dB almost no loss engine output model flies did before adding screw excessive noise resulted too gen erous outlet muffler Another Supertigre 60 engine same type muffler cowl four outlet holes gave meter reading 88 dB Engine muffler also enclosed cowl Sopwith frontal opening larger main reason lower noise level reduction engine speed due larger prop 13 inches compared 12 inches Ryan QUAY BARBER MODELS SHOESTRING N\UiZG/1~I SEMI-KIT $11995 KIT$15495 Faick Rivets SEMI-KIT $11995 KIT$15495 5EPOXY/GLASS/FOAM/BALSA CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FULL OR SEMIKITS Cosmic 8 10 lbs t5ight Wind 790 sq wing area SEtIKIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit cards welcone --..--. Ohio residents add 64% 1216 7774172 271DB Butternut RidgeNorth Olmated OhioAAO7O 144 Model Aviation PA C MODEL SUPPLYMu~RoadMasterCard Flight-Proven DesignsDealers Invited NEW PAC KAT 43 221/2 lbs 25-Powered Sport Flyer $3550 llotroductorv Price NEW Firemaster Bipe 56 61/27 lbs 60-Powered $5950 lntrrsiuctory Price Cessna 150 25-Powered 5038 plus $250 UPS Cherokee 1/ ScaleI Cessna 150 40-Powered 62All BalSa Construction 5B lbs GontsstPmoven 1 2 3 PlaceMooney 40-Powered 62ScaleLike Appearance SlowFlying Capabilities Ken BarnesEasy Construction 10-15 Sm Stable Pliers s200ee plus $500 shIppIngCherokee 40-Powered 6064995 ea plus $250 UPS PAC MODEL sam osers pus truly ReadyBailt Balsa Model Thcly Reatt.toFty Only tO minutes tram shipping bus NOWlIning held sane rode glue slab rudder taselage charge baneries GO FLYINGi Choose Irom three basin AVAILABLE snlid colors White Vellom Orange add msnokste trim desired choicest HIGH-WING TRAINAIR 25 nur AC KAT LOW-WING Inn tiper models sand built AmericanMade assembled Planes come mith FOUR CHANNEL AIRTADNICS RADIO mith FOUR SERVOS 25 OIS R/C ENGINE installed conered Spend pour lime held READY instead 01 basement TO FLY!ALL THIS FOR THE SPECIAL LOW PRICE OF ONLY ~The PAC KAT also anailable andling UFS charsnsarnodditionol Son pour local hobby shnp orde direct completely ronmed up kit can control noise level increasing muf fler size restricting muffler outlet increas ing propeller diameter Since Scale models rarely use tuned pipes concerned about prop tip speeds noise-producing element would case Pattern-type airplanes have found model flies equally well largerdiameter prop especially cowl also large diameter blade tips work outside blanketing cowl front increased efficiency large prop lowers engine rpm exhaust noise level can see no difference model performance Obviously its possible go too far direction certainly worth investigating quiet noisy model Because engine speed reduced slower exhaust velocity can now have restricted muffler outlet further drop noise level 60 en gines switching 11 x 7 12 x 6 finally 13 X 5/2 propeller has beneficial noise-reduction has side benefit real ism larger prop find possible fly reduced throttle settings models using larger muffler least likely alternative due space restrictions inside cowl accurate meaningful readings sound-level meter have found should mounted tripod distance meter models nose exhaust side measured steel tape meter read distance several feet because human body nearby will have effect either reflection absorption sound Without accurate measurements read ings can deceiving must also no reflecting material yond model course should no other engines operation nearby either ground air nearby voices will affect meter Ambient noise level club field low veiy open no highways able get comparative readings models flight accurate estimation distance problem very interesting see pen etration sound distance measured instrument rather ear has become very evident so-called quiet four-stroke en gines need mufflers far worst offenders unmuffled chainsaw engines Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Electrics/Kopski Continued page 47 vation Gas modeling spectators could still hear other speaking normal voice levels Keith Shaw Ann Arbor MI has become another Electric Fly tradition sorts daz zled crowds day both days magnificent models majestic flying simply cannot find words sufficient convey mans mastery Electric modeling matters Keith brought six models him flew least once daysome once flight Keiths brought ova tion appreciative crowd spectators DeHavilland Comet Banshee flying wing Aero Commander Shrike OT Zombie very welcome returns meets past new Hyperon racer impossible Gee Bee R-1 broughtthe awe Hyperon powered custom Astro FAL 05 cobalt faster anything Ive ever seen KRC fieldincluding liquid-powered stuff Gee Bee Keith saved till last day kept crowds glued position Hundreds people can now tell no lle does fly contrary some overheard comment true scale no departures know speak everyone Thank Keith What next Electric Fly has its share memories momenta everyone years several definite high registered Joe Utasi Jomar Products finally got orig inal OMAR canard flying Joe tried over year achieve airborne success continually experience disappointment Last years meet saw plane nose repeatedly also case early flight attempts weekend Joe joked about making annual challenge Joe also persisted on-field repair re work trimming finally got first successful flight full circle field Sunday afternoon greeted loud ovation anxious encouraging crowd dont think Ill ever forget Joes happy smiling leap joy following landing personal level John Worth AMAs Executive Director regular KRC meet brought Bill Winters new Electric design him opportunity fly plane its real joy air Unfortunately Ive misplaced notes particulars model its stick structure using economy ferrite motor located near cabin area Graupner extension shaft gear drive turning large folder understand will soon published Model Aviation Any way John asked some low flybys picturetaking purposes felt honored have chance Bills plane Im looking forward seeing results Thanks stick time Bill down side could help feeling particularly grieved misfortunes Craig Christensen Lakeville MN Craig came pre pared three magnificent gliding machines custom transport box eye-catching models drew lots attention day Saturday very impressive appearance ground equally impressive performance air Sunday brought mishaps one throughout day As best can remember rudder servo fail lost half slide-on stab/elevator assembly folded wing Craig called CD Ken Stinson after returning home described what good time well enjoyed meet despite misfortunes have since learned Craig really likes Electric meets previously attended both 1987 Astro Champs Boeing Hawks affairs earlier year See next year Craig John Sermos Sermos RC Connectors spent weekend videotaping activity called following week say well tape turned out John taped much last years meet intends edit combine footage add music track make super Electric tape understand intentions correctly John will try make tape avail able perhaps through AMA After seeing some Johns earlier video work know latest version could easily wind up being standard reference Electric Ill fill info becomes available right now see potentially best things could happen Electric youll able see what photos words herein cannot THE LEADER IN COMPETITION V i 4 CYCLE SERIES 100 DIAPRICE 12 299 K 13379 14479 15689 16989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 200/o INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566/7 9456677A 104566/7 106W8W 10BEW II4677778 Ii5W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 TI PRICE 149 149 179 189 199 199 209 209 219 229 229 239 239 279 279 279 349 459 659 969 969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 75N 5N279 8I 6778 299 SERIES 400C 8667 7 7289 9777I289 W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 7 8 677 8 67 678 January 1987 145