___John Preston___________________________ Safety Comes First RC frequency scanners frequen cy-use problems Thoughts risks associated flying models Safety aspects Control Line flying lines RC FREQUENCY SCANNERS couple months ago received letter Ben Trapnell modeler Corpus Christi TX also happens full-scale Aviation Safety Officer Ben stated interest ed purchasing frequency monitor would scan frequencies cur rently permitted use However oniy seen frequency monitors such used produced World Engines Airtronics scanned older frequencies ques tion new market will monitor new frequencies set back few thousand bucks being worlds expert RC equip ment called Bill Hershberger lives near member AMA Frequency Committee asked him knew monitor would suitable forand cheap enough forclub use local flying field response Bill sald knew two monitors could programmed scan desired band available stores cater ham radio operators cheaper two ilL 200 sells around $150 $250 expensive still well within budget clubs Yaesu 9600 pro nounced Yah-Soo sells around $300 $400 So club has desire N Q CONSVER T4IS THE CWS IA$T WAP4IN GIl NO CA-Bcr FREQUENCIES ALLOWED AT THIS FLYINi FIELI / purchase frequency monitor suggest pay visit local ham radio store see what have offer Staying subject RC frequencies continue receive steady trickle letters forming hobby stores selling radios aircraft-only channels car boat operators April 1986 Safety col umn discussed suggestion reader David Lewis radios should identified sticker intended use either aircraft-only car/boat-only still hope AMA can use its influence manu facturers RC equipment get adopt Davids suggestion use-identifica tion sticker However rather hold breaths waiting come about something think can Continued page 18 Jim Newman minimizes risk getting fingers prop Austerized Teiemaster using both wheci chock CL tail hold-down baiiast R Theres information column Austers British-made Tayiorcrafts back Forties August 1986 17 * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500FREIGHT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250$25800 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650$38500 25% Nitromethane$495$750$2095$52000 35% Nitromethane$575$875$2495$66000U SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595$35900 THECHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredienfs available alcohol 995% pure very best grade availableThe nitromethane use 100% pure andyou get honesf portion based % volume maximum lubrication get perfect 50/50 blend Bakers AA Castor Oil Klotz Techniplate Racing Oilto protect yourexpensive engines thefinest quality fuel can made price Dont takeour word try some judge yourself See dealer first available order direct Call 247-5008 toll free orders Latest Catalog $300 -~ SIG MANUFACTURING CO Montezuma IA 50171 Prices Subiect chanee notice Wet Cell & Gelled Cell Batteries Completely automatic operation Connect forget Pays itself eries last two three times longer Two models fit size batteries REGULAR MODEL$3995 field kit swatPlus $2 S & H electnc boaf batteriesSpecify 6 12 24V HEAVY DUTY MODEL $49 sport winch large boat andPius $2 505 & H eiectric power charging batteriesSpecify 6 1 2V SASE o nomoon Deale nqu vs n ed RC System NiCd Batteries chargers need age Cycler 0 prevent memory Tester Ito find bad celIsI Osick charger 12 4 hours Trickle charger safe level Field Pant Charger Iboth Ru Ta Portable Charger input 1 20V 1 2Vl A Muifipie Charger up 3 Tx 5 Ru Completely Automatic STANDARD MODEL$179 Fits48VRoandg6VTxpacksPlus$5S&H Others available Icerite call One-Speed Dremel Tool Pull variable-speed operat ion Retains on-off switch Fits inside case Modei 270 280 only Pius $150 S & H educate local hobby store owners may awareor just dont carethat different frequencies airborne models land/water models Michael Eberth Arlington TX recently wrote informed hobby store seemed have dont care attitude radio frequency/use Michael follow ing say friend another city tried unsuccessfully become RC pilot reasons failure unimportant rather leave RC completely decided try boats already radio need ed get changed water use told him needed get crystals changed non-aircraft frequency wife went hobby shop bought boat motor etc asked new crystals sales person told wasnt necessary since wont airplanes around lake anyway ised him change hobby shops After learning episode Michael did what Im suggesting should wrote hobby store owner informed him consequences could result car boat operated aircraft-only channel suspect hobby stores area either uninformed just dont care what use radios sell will put let know specific uses specific frequencies Also tell use radio tuned aircraft-only frequency car boat against law case law FCC regulation Risks Risks title headed Scale News column November 1985 issue British magazine Radio Control Models & Electronics RCM&E Scale News column written Martin Fardell sent Dr Cyrus Stow Conyers GA Since interests hobby mostly Scale models hope other Scale modelers will take offense reproduc ing what Martin say column RCM&E follows hobby becoming dan gerous risks being taken just dont make sense OK safety boring didnt take risks would never get out bed morning because risk being attacked passing swarm bees high risks low risks Scale modelers just dont seem able tell difference flying small light model country field miles anywhere could just crashand just could hit old lady hap pened walking dog timeand just might injure seriously overall risk small enough negligible other hand flying large heavy model over near large number people risk serious accident certain ly negligible often does something go badly wrong radio model pilot model crashes totally uncontrolled way Say flight thousand certainly no better So 20 meetings displays SO flights least crash pretty like ly large numbers people near under model serious injury also likely reason am writing Scale News because mainly Scale modelers flying potentially dangerous models Continued page 20 18 Model Aviation WHEN YOU FORGETOUR UNITS REMEMBER CaRa Products PO Box 221 Canton SD 57013 605-987-5924 SCALE WHE RADIO CONTROL Q VINTAGE sizes21/i 3/i31/i 133h 1144% 11/25 17/i65/a CONTROL-UNE 0 GOLDEN AGE sizes214 3/431/i 1334 114 43/i 1145 1/86/z ELS FREE-FUGHT 0 NEW BALLOON 214 44 3/4 514 334 SCALE PILOTS CYUNDERS ENGINE KITS - MACHINE GUN KITS PLASTIC DISPLAY MODELS SEND $2 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MANCOS CA 9 e -e &OPP 0sS ot send jOC builders of Giant mod els flying displays fly-ins lots spectators know fast Acrobatic model Pylon Racer can much damage big Scale model general Aerobatics Pylon Racing carried out miles away spectators has already serious accident year very best pilots lost control model display specta tor injured incident widely reported should have can hap pen best pilots can happen us should face up flying big model must allow possibility something going wrong model becoming uncontrollable spectators close flight path would danger model did become uncon trollable should flying primary responsibility safety rests pilot meetings organizers insurance companies have seen flying year has quite defmitely dangerous unless take steps reduce risks worst will happen risk offending British modelers 13 years life lieve general organized model flying dis plays fly-ins US conducted safer manner some Ive attended UK Granted havent lived UK since 1962 things may have changed lot since Beware prop far common injury associated model airplane flying result getting fingers spinning prop Such incidents generally occur during starting fuel-mixture-adjustment opera tions scenario involves model jumping forward because reason another engine throttle wide open during starting operation means minimize potential hazard using wheel chocks forwarded letter Scale enthusi ast Jim Newman Hobart IN Jims letter accompanied photographs appear elsewhere column following say have always little apprehensive about starting taildraggers especially largish ones chocks particular out some means holding tail down circumstances both hands occupied airplane therefore cannot hold ing back stick suppose full-size pilot coming out AS can see photos chock ripped piece 2 x 4 long enough span both wheels keep pre sentable finished yellow urethane enamel us full-size operators also put registration numbers chocks models club logo would look nice too photo also shows long piece window shade cord going off distance vicinity wing tip enables well clear propeller arc chock carefully pulled jerkedin case should snag grass flip up prop clear dragged behind aircraft RAF training coming out parked tail ballast short length polypro pylene lawn chair webbing joining two shot bags made sleeves old denim jacket bags full old nuts bolts rocks anything else heavy Spare money lottery win decided against Continued page 22 20 Model Aviation SMOOTH CONTOUR 3/42 1314 1143 1144/ 214514 L LLA ILL 13311 eacn Ave na Del Rey UA 21i 21-6242 POSI-CURE CYANQACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$2450% Off 2 oz Fast Cure 3-5 Sec895$39656% Off 1 oz Gap-Filling 5 Sec495$2450% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 228-3237 408 251-0789 Out StateINFO 408 251-0787 California Hours Mon-Wed Fri & Sat 930-530 Thur 930-900 1200-500 sand since tends find itself getting through seam might little less tight might find its way flight box engine Instead screwing eye end chock drilled two holes intersect 900 end cord knotted free end fed up through out end chock Finally large nut tied end cord stop slipstream blowing aft Some may recognize Jims model somewhat modified Telemaster Jim stated Hobby Lobby eight-foot-span ver sion powered inverted Fox Eagle 60 shape engine cowling color scheme matte urethane Green Earth cam ouflage serial number intended make model resemble Auster British observation aircraft used Normandy after D-Day landing Jims model also equipped bomb bay drops candies parachutes bombs also stated Fox engine way too much model climbs like pylon Free Flight model excess power always nice have case trouble Control Line safety Issues No havent gotten some modelers prefer indulge CL flying rather RC Yes Im concerned about safety too dont receive letters subject However Tom Dixon Atlanta GA recently arrived mailbox conmined couple useful tips believe Ive mentioned previous safety columns Tom following suggestions first issue concerns ready-to-usecon trol lines often purchased sport fliers beginners matter con venience has experience lines may present two serious safety risks First crimped tubing used secure ends lines can sometimes precipitate fracture strand time can ulti mately lead failure line Failure can also occur crimped tubing tight enough Visual inspection combined pull test time lines used can help prevent ing in-flight failure However opin ion real solution make up own line-end connections per AMA rule book using soft wire binding page 19 1986-87 rule book iF Such end-connection prevents localized pressures individual strands wires Making up own line end-connections also solution far common safe ty problem ready-made control lines involves being overly long set ready-made lines Ive seen last five years has five 25 feet longer length stated box repeatedly have new people come club field lay out 60-ft lines Ringmaster off outside edge 72-ft-radius circle Overlong lines can lead loss control can also result injury someone pit area unsuspecting pilot crew assumes line length accurate marked box Lines longer length marked box equivalent danger RC transmitter marked frequency transmits another frequency Check lines Buy 100-ft tape cut line real length desired redo line ends per AMA rule book Continued page 127 22 Model Aviation ptr unDer FAST SERVICE CODADDS190 Safety Preston Continued page 22 As write column May 1 am listening report radio Soviet nuclear reactor disaster Chernobyl just 60 miles north Kiev visited US CL Scale Team 1982 Thats disaster several magnitudes greater anything can visual ize happening world model airplanes However purpose column alert hazards hobby So usual hope have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston VA 22090 Sorta Pitts/Shepherd Continued page 32 bolts tank outlets bits fuel tubing protect epoxying inside engine compartment Take time next series steps very critical determin ing well model will fly Bolt bottom wing place block up fuselage until its level again Set top wing cabanes using 900 triangle shown pictures make sure top wing square bottom wing drill tap front cabane block Screw top wing snuggly check again triangle make sure its square bottom wing Drill tap rear hole Rock top wing until distance between #2 ribs interplane strut location equal Cut interplane strut core length distance add double pieces ply ends Screw horns place picture shows slot ribs accept horn flanges CyA glue horns ribs unscrew interplane struts carefully unscrew -in mounting bolts Drill pilot hole remain ing sheet metal screws hold maple blocks install screws Back off both screws block smear epoxy tween block flange screw back down Wipe excess epoxy off top block Glue -in cabane keel center maple blocks glue -in side pieces sand cabane fairing shape Turn model over install landing gear fairing block Glue formem WF 1 WF2 bottom wing Cut two -in stringers glue wing Install bolt fairing blocks WF2 behind wing -in stringers aft wing Shape LG fairing block conform WF 1 forward bottom block Pin stab place fuselage lining up bottom wing Sand stab saddle necessary get level wing Place FB top stab pin position glue former FT3 glue stab Cut two 90 angles balsa sheet place fin slots FB FT3 Pin angles stab fin glue tail post fm fuselage andthe fin FB FT3 Remove stab slot cover model before mounting permanently Install tall wheel assembly cable pushrods notch ing -in sheeting cables exit fuselage Covering/finishing original model covered Sig Koverall using dope finishing medium Any iron-on coverings should work well inclined use method After covering cut fin tail post stab slot install stab elevator glue some scrap -in balsa back slot nft stab wheel pants made using foam fiberglass method procedure has detailed others wont add anything except say great way make fiberglass parts plan use 60-size engine would recommend webbing glued spars both wings least out interplane struts model can perform some pretty strenuous maneuvers decoration model combination decals decal sheet hand panting dry transfer letters Snoopy registration numbers made using Sigs blank decal sheet painted about six coats Aero gloss white cut out Pitts hand painted using Pactra Namel gold covered coat clear urethane has arewardingproject Continued page 130 RIC SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE Xx SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REQUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MPG. PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE B%#/4 MEG QUALITY PRODUCTS SINCE 1964 August1986 127 0PROTECHTOR TRO CMOUNT TRANSMITTER CASE, strong thermo molded metal framed soft foa, filled 9e12e5 tarrying case best market trans mitter Price $3250 Add t250 shipping Alaska Hawaii $450 SASE FOR FREE cA1ALOGcAREsADO65 BERGERON ENTERPRISES 443 ROBERTAFULLERTON CA 92632 LNbiELUUUNi. cr5 fdly mashined 6061-T6 aiaeins5 bightiy poilslsed wish rscesed meunting heist Fer 60s tO 125s 0361 55551 61 6S81 OPt 60 V3 615180$ 60 U 90 Enyc 60 fesr sysles $22 Eny 901250$ 120 four sytie 125 Add 5150 isiS Ca AM 300
Edition: Model Aviation - 1986/08
Page Numbers: 17, 18, 20, 22, 127
___John Preston___________________________ Safety Comes First RC frequency scanners frequen cy-use problems Thoughts risks associated flying models Safety aspects Control Line flying lines RC FREQUENCY SCANNERS couple months ago received letter Ben Trapnell modeler Corpus Christi TX also happens full-scale Aviation Safety Officer Ben stated interest ed purchasing frequency monitor would scan frequencies cur rently permitted use However oniy seen frequency monitors such used produced World Engines Airtronics scanned older frequencies ques tion new market will monitor new frequencies set back few thousand bucks being worlds expert RC equip ment called Bill Hershberger lives near member AMA Frequency Committee asked him knew monitor would suitable forand cheap enough forclub use local flying field response Bill sald knew two monitors could programmed scan desired band available stores cater ham radio operators cheaper two ilL 200 sells around $150 $250 expensive still well within budget clubs Yaesu 9600 pro nounced Yah-Soo sells around $300 $400 So club has desire N Q CONSVER T4IS THE CWS IA$T WAP4IN GIl NO CA-Bcr FREQUENCIES ALLOWED AT THIS FLYINi FIELI / purchase frequency monitor suggest pay visit local ham radio store see what have offer Staying subject RC frequencies continue receive steady trickle letters forming hobby stores selling radios aircraft-only channels car boat operators April 1986 Safety col umn discussed suggestion reader David Lewis radios should identified sticker intended use either aircraft-only car/boat-only still hope AMA can use its influence manu facturers RC equipment get adopt Davids suggestion use-identifica tion sticker However rather hold breaths waiting come about something think can Continued page 18 Jim Newman minimizes risk getting fingers prop Austerized Teiemaster using both wheci chock CL tail hold-down baiiast R Theres information column Austers British-made Tayiorcrafts back Forties August 1986 17 * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500FREIGHT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250$25800 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650$38500 25% Nitromethane$495$750$2095$52000 35% Nitromethane$575$875$2495$66000U SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595$35900 THECHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredienfs available alcohol 995% pure very best grade availableThe nitromethane use 100% pure andyou get honesf portion based % volume maximum lubrication get perfect 50/50 blend Bakers AA Castor Oil Klotz Techniplate Racing Oilto protect yourexpensive engines thefinest quality fuel can made price Dont takeour word try some judge yourself See dealer first available order direct Call 247-5008 toll free orders Latest Catalog $300 -~ SIG MANUFACTURING CO Montezuma IA 50171 Prices Subiect chanee notice Wet Cell & Gelled Cell Batteries Completely automatic operation Connect forget Pays itself eries last two three times longer Two models fit size batteries REGULAR MODEL$3995 field kit swatPlus $2 S & H electnc boaf batteriesSpecify 6 12 24V HEAVY DUTY MODEL $49 sport winch large boat andPius $2 505 & H eiectric power charging batteriesSpecify 6 1 2V SASE o nomoon Deale nqu vs n ed RC System NiCd Batteries chargers need age Cycler 0 prevent memory Tester Ito find bad celIsI Osick charger 12 4 hours Trickle charger safe level Field Pant Charger Iboth Ru Ta Portable Charger input 1 20V 1 2Vl A Muifipie Charger up 3 Tx 5 Ru Completely Automatic STANDARD MODEL$179 Fits48VRoandg6VTxpacksPlus$5S&H Others available Icerite call One-Speed Dremel Tool Pull variable-speed operat ion Retains on-off switch Fits inside case Modei 270 280 only Pius $150 S & H educate local hobby store owners may awareor just dont carethat different frequencies airborne models land/water models Michael Eberth Arlington TX recently wrote informed hobby store seemed have dont care attitude radio frequency/use Michael follow ing say friend another city tried unsuccessfully become RC pilot reasons failure unimportant rather leave RC completely decided try boats already radio need ed get changed water use told him needed get crystals changed non-aircraft frequency wife went hobby shop bought boat motor etc asked new crystals sales person told wasnt necessary since wont airplanes around lake anyway ised him change hobby shops After learning episode Michael did what Im suggesting should wrote hobby store owner informed him consequences could result car boat operated aircraft-only channel suspect hobby stores area either uninformed just dont care what use radios sell will put let know specific uses specific frequencies Also tell use radio tuned aircraft-only frequency car boat against law case law FCC regulation Risks Risks title headed Scale News column November 1985 issue British magazine Radio Control Models & Electronics RCM&E Scale News column written Martin Fardell sent Dr Cyrus Stow Conyers GA Since interests hobby mostly Scale models hope other Scale modelers will take offense reproduc ing what Martin say column RCM&E follows hobby becoming dan gerous risks being taken just dont make sense OK safety boring didnt take risks would never get out bed morning because risk being attacked passing swarm bees high risks low risks Scale modelers just dont seem able tell difference flying small light model country field miles anywhere could just crashand just could hit old lady hap pened walking dog timeand just might injure seriously overall risk small enough negligible other hand flying large heavy model over near large number people risk serious accident certain ly negligible often does something go badly wrong radio model pilot model crashes totally uncontrolled way Say flight thousand certainly no better So 20 meetings displays SO flights least crash pretty like ly large numbers people near under model serious injury also likely reason am writing Scale News because mainly Scale modelers flying potentially dangerous models Continued page 20 18 Model Aviation WHEN YOU FORGETOUR UNITS REMEMBER CaRa Products PO Box 221 Canton SD 57013 605-987-5924 SCALE WHE RADIO CONTROL Q VINTAGE sizes21/i 3/i31/i 133h 1144% 11/25 17/i65/a CONTROL-UNE 0 GOLDEN AGE sizes214 3/431/i 1334 114 43/i 1145 1/86/z ELS FREE-FUGHT 0 NEW BALLOON 214 44 3/4 514 334 SCALE PILOTS CYUNDERS ENGINE KITS - MACHINE GUN KITS PLASTIC DISPLAY MODELS SEND $2 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MANCOS CA 9 e -e &OPP 0sS ot send jOC builders of Giant mod els flying displays fly-ins lots spectators know fast Acrobatic model Pylon Racer can much damage big Scale model general Aerobatics Pylon Racing carried out miles away spectators has already serious accident year very best pilots lost control model display specta tor injured incident widely reported should have can hap pen best pilots can happen us should face up flying big model must allow possibility something going wrong model becoming uncontrollable spectators close flight path would danger model did become uncon trollable should flying primary responsibility safety rests pilot meetings organizers insurance companies have seen flying year has quite defmitely dangerous unless take steps reduce risks worst will happen risk offending British modelers 13 years life lieve general organized model flying dis plays fly-ins US conducted safer manner some Ive attended UK Granted havent lived UK since 1962 things may have changed lot since Beware prop far common injury associated model airplane flying result getting fingers spinning prop Such incidents generally occur during starting fuel-mixture-adjustment opera tions scenario involves model jumping forward because reason another engine throttle wide open during starting operation means minimize potential hazard using wheel chocks forwarded letter Scale enthusi ast Jim Newman Hobart IN Jims letter accompanied photographs appear elsewhere column following say have always little apprehensive about starting taildraggers especially largish ones chocks particular out some means holding tail down circumstances both hands occupied airplane therefore cannot hold ing back stick suppose full-size pilot coming out AS can see photos chock ripped piece 2 x 4 long enough span both wheels keep pre sentable finished yellow urethane enamel us full-size operators also put registration numbers chocks models club logo would look nice too photo also shows long piece window shade cord going off distance vicinity wing tip enables well clear propeller arc chock carefully pulled jerkedin case should snag grass flip up prop clear dragged behind aircraft RAF training coming out parked tail ballast short length polypro pylene lawn chair webbing joining two shot bags made sleeves old denim jacket bags full old nuts bolts rocks anything else heavy Spare money lottery win decided against Continued page 22 20 Model Aviation SMOOTH CONTOUR 3/42 1314 1143 1144/ 214514 L LLA ILL 13311 eacn Ave na Del Rey UA 21i 21-6242 POSI-CURE CYANQACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$2450% Off 2 oz Fast Cure 3-5 Sec895$39656% Off 1 oz Gap-Filling 5 Sec495$2450% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 228-3237 408 251-0789 Out StateINFO 408 251-0787 California Hours Mon-Wed Fri & Sat 930-530 Thur 930-900 1200-500 sand since tends find itself getting through seam might little less tight might find its way flight box engine Instead screwing eye end chock drilled two holes intersect 900 end cord knotted free end fed up through out end chock Finally large nut tied end cord stop slipstream blowing aft Some may recognize Jims model somewhat modified Telemaster Jim stated Hobby Lobby eight-foot-span ver sion powered inverted Fox Eagle 60 shape engine cowling color scheme matte urethane Green Earth cam ouflage serial number intended make model resemble Auster British observation aircraft used Normandy after D-Day landing Jims model also equipped bomb bay drops candies parachutes bombs also stated Fox engine way too much model climbs like pylon Free Flight model excess power always nice have case trouble Control Line safety Issues No havent gotten some modelers prefer indulge CL flying rather RC Yes Im concerned about safety too dont receive letters subject However Tom Dixon Atlanta GA recently arrived mailbox conmined couple useful tips believe Ive mentioned previous safety columns Tom following suggestions first issue concerns ready-to-usecon trol lines often purchased sport fliers beginners matter con venience has experience lines may present two serious safety risks First crimped tubing used secure ends lines can sometimes precipitate fracture strand time can ulti mately lead failure line Failure can also occur crimped tubing tight enough Visual inspection combined pull test time lines used can help prevent ing in-flight failure However opin ion real solution make up own line-end connections per AMA rule book using soft wire binding page 19 1986-87 rule book iF Such end-connection prevents localized pressures individual strands wires Making up own line end-connections also solution far common safe ty problem ready-made control lines involves being overly long set ready-made lines Ive seen last five years has five 25 feet longer length stated box repeatedly have new people come club field lay out 60-ft lines Ringmaster off outside edge 72-ft-radius circle Overlong lines can lead loss control can also result injury someone pit area unsuspecting pilot crew assumes line length accurate marked box Lines longer length marked box equivalent danger RC transmitter marked frequency transmits another frequency Check lines Buy 100-ft tape cut line real length desired redo line ends per AMA rule book Continued page 127 22 Model Aviation ptr unDer FAST SERVICE CODADDS190 Safety Preston Continued page 22 As write column May 1 am listening report radio Soviet nuclear reactor disaster Chernobyl just 60 miles north Kiev visited US CL Scale Team 1982 Thats disaster several magnitudes greater anything can visual ize happening world model airplanes However purpose column alert hazards hobby So usual hope have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston VA 22090 Sorta Pitts/Shepherd Continued page 32 bolts tank outlets bits fuel tubing protect epoxying inside engine compartment Take time next series steps very critical determin ing well model will fly Bolt bottom wing place block up fuselage until its level again Set top wing cabanes using 900 triangle shown pictures make sure top wing square bottom wing drill tap front cabane block Screw top wing snuggly check again triangle make sure its square bottom wing Drill tap rear hole Rock top wing until distance between #2 ribs interplane strut location equal Cut interplane strut core length distance add double pieces ply ends Screw horns place picture shows slot ribs accept horn flanges CyA glue horns ribs unscrew interplane struts carefully unscrew -in mounting bolts Drill pilot hole remain ing sheet metal screws hold maple blocks install screws Back off both screws block smear epoxy tween block flange screw back down Wipe excess epoxy off top block Glue -in cabane keel center maple blocks glue -in side pieces sand cabane fairing shape Turn model over install landing gear fairing block Glue formem WF 1 WF2 bottom wing Cut two -in stringers glue wing Install bolt fairing blocks WF2 behind wing -in stringers aft wing Shape LG fairing block conform WF 1 forward bottom block Pin stab place fuselage lining up bottom wing Sand stab saddle necessary get level wing Place FB top stab pin position glue former FT3 glue stab Cut two 90 angles balsa sheet place fin slots FB FT3 Pin angles stab fin glue tail post fm fuselage andthe fin FB FT3 Remove stab slot cover model before mounting permanently Install tall wheel assembly cable pushrods notch ing -in sheeting cables exit fuselage Covering/finishing original model covered Sig Koverall using dope finishing medium Any iron-on coverings should work well inclined use method After covering cut fin tail post stab slot install stab elevator glue some scrap -in balsa back slot nft stab wheel pants made using foam fiberglass method procedure has detailed others wont add anything except say great way make fiberglass parts plan use 60-size engine would recommend webbing glued spars both wings least out interplane struts model can perform some pretty strenuous maneuvers decoration model combination decals decal sheet hand panting dry transfer letters Snoopy registration numbers made using Sigs blank decal sheet painted about six coats Aero gloss white cut out Pitts hand painted using Pactra Namel gold covered coat clear urethane has arewardingproject Continued page 130 RIC SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE Xx SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REQUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MPG. PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE B%#/4 MEG QUALITY PRODUCTS SINCE 1964 August1986 127 0PROTECHTOR TRO CMOUNT TRANSMITTER CASE, strong thermo molded metal framed soft foa, filled 9e12e5 tarrying case best market trans mitter Price $3250 Add t250 shipping Alaska Hawaii $450 SASE FOR FREE cA1ALOGcAREsADO65 BERGERON ENTERPRISES 443 ROBERTAFULLERTON CA 92632 LNbiELUUUNi. cr5 fdly mashined 6061-T6 aiaeins5 bightiy poilslsed wish rscesed meunting heist Fer 60s tO 125s 0361 55551 61 6S81 OPt 60 V3 615180$ 60 U 90 Enyc 60 fesr sysles $22 Eny 901250$ 120 four sytie 125 Add 5150 isiS Ca AM 300
Edition: Model Aviation - 1986/08
Page Numbers: 17, 18, 20, 22, 127
___John Preston___________________________ Safety Comes First RC frequency scanners frequen cy-use problems Thoughts risks associated flying models Safety aspects Control Line flying lines RC FREQUENCY SCANNERS couple months ago received letter Ben Trapnell modeler Corpus Christi TX also happens full-scale Aviation Safety Officer Ben stated interest ed purchasing frequency monitor would scan frequencies cur rently permitted use However oniy seen frequency monitors such used produced World Engines Airtronics scanned older frequencies ques tion new market will monitor new frequencies set back few thousand bucks being worlds expert RC equip ment called Bill Hershberger lives near member AMA Frequency Committee asked him knew monitor would suitable forand cheap enough forclub use local flying field response Bill sald knew two monitors could programmed scan desired band available stores cater ham radio operators cheaper two ilL 200 sells around $150 $250 expensive still well within budget clubs Yaesu 9600 pro nounced Yah-Soo sells around $300 $400 So club has desire N Q CONSVER T4IS THE CWS IA$T WAP4IN GIl NO CA-Bcr FREQUENCIES ALLOWED AT THIS FLYINi FIELI / purchase frequency monitor suggest pay visit local ham radio store see what have offer Staying subject RC frequencies continue receive steady trickle letters forming hobby stores selling radios aircraft-only channels car boat operators April 1986 Safety col umn discussed suggestion reader David Lewis radios should identified sticker intended use either aircraft-only car/boat-only still hope AMA can use its influence manu facturers RC equipment get adopt Davids suggestion use-identifica tion sticker However rather hold breaths waiting come about something think can Continued page 18 Jim Newman minimizes risk getting fingers prop Austerized Teiemaster using both wheci chock CL tail hold-down baiiast R Theres information column Austers British-made Tayiorcrafts back Forties August 1986 17 * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500FREIGHT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250$25800 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650$38500 25% Nitromethane$495$750$2095$52000 35% Nitromethane$575$875$2495$66000U SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595$35900 THECHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredienfs available alcohol 995% pure very best grade availableThe nitromethane use 100% pure andyou get honesf portion based % volume maximum lubrication get perfect 50/50 blend Bakers AA Castor Oil Klotz Techniplate Racing Oilto protect yourexpensive engines thefinest quality fuel can made price Dont takeour word try some judge yourself See dealer first available order direct Call 247-5008 toll free orders Latest Catalog $300 -~ SIG MANUFACTURING CO Montezuma IA 50171 Prices Subiect chanee notice Wet Cell & Gelled Cell Batteries Completely automatic operation Connect forget Pays itself eries last two three times longer Two models fit size batteries REGULAR MODEL$3995 field kit swatPlus $2 S & H electnc boaf batteriesSpecify 6 12 24V HEAVY DUTY MODEL $49 sport winch large boat andPius $2 505 & H eiectric power charging batteriesSpecify 6 1 2V SASE o nomoon Deale nqu vs n ed RC System NiCd Batteries chargers need age Cycler 0 prevent memory Tester Ito find bad celIsI Osick charger 12 4 hours Trickle charger safe level Field Pant Charger Iboth Ru Ta Portable Charger input 1 20V 1 2Vl A Muifipie Charger up 3 Tx 5 Ru Completely Automatic STANDARD MODEL$179 Fits48VRoandg6VTxpacksPlus$5S&H Others available Icerite call One-Speed Dremel Tool Pull variable-speed operat ion Retains on-off switch Fits inside case Modei 270 280 only Pius $150 S & H educate local hobby store owners may awareor just dont carethat different frequencies airborne models land/water models Michael Eberth Arlington TX recently wrote informed hobby store seemed have dont care attitude radio frequency/use Michael follow ing say friend another city tried unsuccessfully become RC pilot reasons failure unimportant rather leave RC completely decided try boats already radio need ed get changed water use told him needed get crystals changed non-aircraft frequency wife went hobby shop bought boat motor etc asked new crystals sales person told wasnt necessary since wont airplanes around lake anyway ised him change hobby shops After learning episode Michael did what Im suggesting should wrote hobby store owner informed him consequences could result car boat operated aircraft-only channel suspect hobby stores area either uninformed just dont care what use radios sell will put let know specific uses specific frequencies Also tell use radio tuned aircraft-only frequency car boat against law case law FCC regulation Risks Risks title headed Scale News column November 1985 issue British magazine Radio Control Models & Electronics RCM&E Scale News column written Martin Fardell sent Dr Cyrus Stow Conyers GA Since interests hobby mostly Scale models hope other Scale modelers will take offense reproduc ing what Martin say column RCM&E follows hobby becoming dan gerous risks being taken just dont make sense OK safety boring didnt take risks would never get out bed morning because risk being attacked passing swarm bees high risks low risks Scale modelers just dont seem able tell difference flying small light model country field miles anywhere could just crashand just could hit old lady hap pened walking dog timeand just might injure seriously overall risk small enough negligible other hand flying large heavy model over near large number people risk serious accident certain ly negligible often does something go badly wrong radio model pilot model crashes totally uncontrolled way Say flight thousand certainly no better So 20 meetings displays SO flights least crash pretty like ly large numbers people near under model serious injury also likely reason am writing Scale News because mainly Scale modelers flying potentially dangerous models Continued page 20 18 Model Aviation WHEN YOU FORGETOUR UNITS REMEMBER CaRa Products PO Box 221 Canton SD 57013 605-987-5924 SCALE WHE RADIO CONTROL Q VINTAGE sizes21/i 3/i31/i 133h 1144% 11/25 17/i65/a CONTROL-UNE 0 GOLDEN AGE sizes214 3/431/i 1334 114 43/i 1145 1/86/z ELS FREE-FUGHT 0 NEW BALLOON 214 44 3/4 514 334 SCALE PILOTS CYUNDERS ENGINE KITS - MACHINE GUN KITS PLASTIC DISPLAY MODELS SEND $2 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MANCOS CA 9 e -e &OPP 0sS ot send jOC builders of Giant mod els flying displays fly-ins lots spectators know fast Acrobatic model Pylon Racer can much damage big Scale model general Aerobatics Pylon Racing carried out miles away spectators has already serious accident year very best pilots lost control model display specta tor injured incident widely reported should have can hap pen best pilots can happen us should face up flying big model must allow possibility something going wrong model becoming uncontrollable spectators close flight path would danger model did become uncon trollable should flying primary responsibility safety rests pilot meetings organizers insurance companies have seen flying year has quite defmitely dangerous unless take steps reduce risks worst will happen risk offending British modelers 13 years life lieve general organized model flying dis plays fly-ins US conducted safer manner some Ive attended UK Granted havent lived UK since 1962 things may have changed lot since Beware prop far common injury associated model airplane flying result getting fingers spinning prop Such incidents generally occur during starting fuel-mixture-adjustment opera tions scenario involves model jumping forward because reason another engine throttle wide open during starting operation means minimize potential hazard using wheel chocks forwarded letter Scale enthusi ast Jim Newman Hobart IN Jims letter accompanied photographs appear elsewhere column following say have always little apprehensive about starting taildraggers especially largish ones chocks particular out some means holding tail down circumstances both hands occupied airplane therefore cannot hold ing back stick suppose full-size pilot coming out AS can see photos chock ripped piece 2 x 4 long enough span both wheels keep pre sentable finished yellow urethane enamel us full-size operators also put registration numbers chocks models club logo would look nice too photo also shows long piece window shade cord going off distance vicinity wing tip enables well clear propeller arc chock carefully pulled jerkedin case should snag grass flip up prop clear dragged behind aircraft RAF training coming out parked tail ballast short length polypro pylene lawn chair webbing joining two shot bags made sleeves old denim jacket bags full old nuts bolts rocks anything else heavy Spare money lottery win decided against Continued page 22 20 Model Aviation SMOOTH CONTOUR 3/42 1314 1143 1144/ 214514 L LLA ILL 13311 eacn Ave na Del Rey UA 21i 21-6242 POSI-CURE CYANQACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$2450% Off 2 oz Fast Cure 3-5 Sec895$39656% Off 1 oz Gap-Filling 5 Sec495$2450% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 228-3237 408 251-0789 Out StateINFO 408 251-0787 California Hours Mon-Wed Fri & Sat 930-530 Thur 930-900 1200-500 sand since tends find itself getting through seam might little less tight might find its way flight box engine Instead screwing eye end chock drilled two holes intersect 900 end cord knotted free end fed up through out end chock Finally large nut tied end cord stop slipstream blowing aft Some may recognize Jims model somewhat modified Telemaster Jim stated Hobby Lobby eight-foot-span ver sion powered inverted Fox Eagle 60 shape engine cowling color scheme matte urethane Green Earth cam ouflage serial number intended make model resemble Auster British observation aircraft used Normandy after D-Day landing Jims model also equipped bomb bay drops candies parachutes bombs also stated Fox engine way too much model climbs like pylon Free Flight model excess power always nice have case trouble Control Line safety Issues No havent gotten some modelers prefer indulge CL flying rather RC Yes Im concerned about safety too dont receive letters subject However Tom Dixon Atlanta GA recently arrived mailbox conmined couple useful tips believe Ive mentioned previous safety columns Tom following suggestions first issue concerns ready-to-usecon trol lines often purchased sport fliers beginners matter con venience has experience lines may present two serious safety risks First crimped tubing used secure ends lines can sometimes precipitate fracture strand time can ulti mately lead failure line Failure can also occur crimped tubing tight enough Visual inspection combined pull test time lines used can help prevent ing in-flight failure However opin ion real solution make up own line-end connections per AMA rule book using soft wire binding page 19 1986-87 rule book iF Such end-connection prevents localized pressures individual strands wires Making up own line end-connections also solution far common safe ty problem ready-made control lines involves being overly long set ready-made lines Ive seen last five years has five 25 feet longer length stated box repeatedly have new people come club field lay out 60-ft lines Ringmaster off outside edge 72-ft-radius circle Overlong lines can lead loss control can also result injury someone pit area unsuspecting pilot crew assumes line length accurate marked box Lines longer length marked box equivalent danger RC transmitter marked frequency transmits another frequency Check lines Buy 100-ft tape cut line real length desired redo line ends per AMA rule book Continued page 127 22 Model Aviation ptr unDer FAST SERVICE CODADDS190 Safety Preston Continued page 22 As write column May 1 am listening report radio Soviet nuclear reactor disaster Chernobyl just 60 miles north Kiev visited US CL Scale Team 1982 Thats disaster several magnitudes greater anything can visual ize happening world model airplanes However purpose column alert hazards hobby So usual hope have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston VA 22090 Sorta Pitts/Shepherd Continued page 32 bolts tank outlets bits fuel tubing protect epoxying inside engine compartment Take time next series steps very critical determin ing well model will fly Bolt bottom wing place block up fuselage until its level again Set top wing cabanes using 900 triangle shown pictures make sure top wing square bottom wing drill tap front cabane block Screw top wing snuggly check again triangle make sure its square bottom wing Drill tap rear hole Rock top wing until distance between #2 ribs interplane strut location equal Cut interplane strut core length distance add double pieces ply ends Screw horns place picture shows slot ribs accept horn flanges CyA glue horns ribs unscrew interplane struts carefully unscrew -in mounting bolts Drill pilot hole remain ing sheet metal screws hold maple blocks install screws Back off both screws block smear epoxy tween block flange screw back down Wipe excess epoxy off top block Glue -in cabane keel center maple blocks glue -in side pieces sand cabane fairing shape Turn model over install landing gear fairing block Glue formem WF 1 WF2 bottom wing Cut two -in stringers glue wing Install bolt fairing blocks WF2 behind wing -in stringers aft wing Shape LG fairing block conform WF 1 forward bottom block Pin stab place fuselage lining up bottom wing Sand stab saddle necessary get level wing Place FB top stab pin position glue former FT3 glue stab Cut two 90 angles balsa sheet place fin slots FB FT3 Pin angles stab fin glue tail post fm fuselage andthe fin FB FT3 Remove stab slot cover model before mounting permanently Install tall wheel assembly cable pushrods notch ing -in sheeting cables exit fuselage Covering/finishing original model covered Sig Koverall using dope finishing medium Any iron-on coverings should work well inclined use method After covering cut fin tail post stab slot install stab elevator glue some scrap -in balsa back slot nft stab wheel pants made using foam fiberglass method procedure has detailed others wont add anything except say great way make fiberglass parts plan use 60-size engine would recommend webbing glued spars both wings least out interplane struts model can perform some pretty strenuous maneuvers decoration model combination decals decal sheet hand panting dry transfer letters Snoopy registration numbers made using Sigs blank decal sheet painted about six coats Aero gloss white cut out Pitts hand painted using Pactra Namel gold covered coat clear urethane has arewardingproject Continued page 130 RIC SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE Xx SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REQUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MPG. PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE B%#/4 MEG QUALITY PRODUCTS SINCE 1964 August1986 127 0PROTECHTOR TRO CMOUNT TRANSMITTER CASE, strong thermo molded metal framed soft foa, filled 9e12e5 tarrying case best market trans mitter Price $3250 Add t250 shipping Alaska Hawaii $450 SASE FOR FREE cA1ALOGcAREsADO65 BERGERON ENTERPRISES 443 ROBERTAFULLERTON CA 92632 LNbiELUUUNi. cr5 fdly mashined 6061-T6 aiaeins5 bightiy poilslsed wish rscesed meunting heist Fer 60s tO 125s 0361 55551 61 6S81 OPt 60 V3 615180$ 60 U 90 Enyc 60 fesr sysles $22 Eny 901250$ 120 four sytie 125 Add 5150 isiS Ca AM 300
Edition: Model Aviation - 1986/08
Page Numbers: 17, 18, 20, 22, 127
___John Preston___________________________ Safety Comes First RC frequency scanners frequen cy-use problems Thoughts risks associated flying models Safety aspects Control Line flying lines RC FREQUENCY SCANNERS couple months ago received letter Ben Trapnell modeler Corpus Christi TX also happens full-scale Aviation Safety Officer Ben stated interest ed purchasing frequency monitor would scan frequencies cur rently permitted use However oniy seen frequency monitors such used produced World Engines Airtronics scanned older frequencies ques tion new market will monitor new frequencies set back few thousand bucks being worlds expert RC equip ment called Bill Hershberger lives near member AMA Frequency Committee asked him knew monitor would suitable forand cheap enough forclub use local flying field response Bill sald knew two monitors could programmed scan desired band available stores cater ham radio operators cheaper two ilL 200 sells around $150 $250 expensive still well within budget clubs Yaesu 9600 pro nounced Yah-Soo sells around $300 $400 So club has desire N Q CONSVER T4IS THE CWS IA$T WAP4IN GIl NO CA-Bcr FREQUENCIES ALLOWED AT THIS FLYINi FIELI / purchase frequency monitor suggest pay visit local ham radio store see what have offer Staying subject RC frequencies continue receive steady trickle letters forming hobby stores selling radios aircraft-only channels car boat operators April 1986 Safety col umn discussed suggestion reader David Lewis radios should identified sticker intended use either aircraft-only car/boat-only still hope AMA can use its influence manu facturers RC equipment get adopt Davids suggestion use-identifica tion sticker However rather hold breaths waiting come about something think can Continued page 18 Jim Newman minimizes risk getting fingers prop Austerized Teiemaster using both wheci chock CL tail hold-down baiiast R Theres information column Austers British-made Tayiorcrafts back Forties August 1986 17 * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500FREIGHT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250$25800 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650$38500 25% Nitromethane$495$750$2095$52000 35% Nitromethane$575$875$2495$66000U SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595$35900 THECHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredienfs available alcohol 995% pure very best grade availableThe nitromethane use 100% pure andyou get honesf portion based % volume maximum lubrication get perfect 50/50 blend Bakers AA Castor Oil Klotz Techniplate Racing Oilto protect yourexpensive engines thefinest quality fuel can made price Dont takeour word try some judge yourself See dealer first available order direct Call 247-5008 toll free orders Latest Catalog $300 -~ SIG MANUFACTURING CO Montezuma IA 50171 Prices Subiect chanee notice Wet Cell & Gelled Cell Batteries Completely automatic operation Connect forget Pays itself eries last two three times longer Two models fit size batteries REGULAR MODEL$3995 field kit swatPlus $2 S & H electnc boaf batteriesSpecify 6 12 24V HEAVY DUTY MODEL $49 sport winch large boat andPius $2 505 & H eiectric power charging batteriesSpecify 6 1 2V SASE o nomoon Deale nqu vs n ed RC System NiCd Batteries chargers need age Cycler 0 prevent memory Tester Ito find bad celIsI Osick charger 12 4 hours Trickle charger safe level Field Pant Charger Iboth Ru Ta Portable Charger input 1 20V 1 2Vl A Muifipie Charger up 3 Tx 5 Ru Completely Automatic STANDARD MODEL$179 Fits48VRoandg6VTxpacksPlus$5S&H Others available Icerite call One-Speed Dremel Tool Pull variable-speed operat ion Retains on-off switch Fits inside case Modei 270 280 only Pius $150 S & H educate local hobby store owners may awareor just dont carethat different frequencies airborne models land/water models Michael Eberth Arlington TX recently wrote informed hobby store seemed have dont care attitude radio frequency/use Michael follow ing say friend another city tried unsuccessfully become RC pilot reasons failure unimportant rather leave RC completely decided try boats already radio need ed get changed water use told him needed get crystals changed non-aircraft frequency wife went hobby shop bought boat motor etc asked new crystals sales person told wasnt necessary since wont airplanes around lake anyway ised him change hobby shops After learning episode Michael did what Im suggesting should wrote hobby store owner informed him consequences could result car boat operated aircraft-only channel suspect hobby stores area either uninformed just dont care what use radios sell will put let know specific uses specific frequencies Also tell use radio tuned aircraft-only frequency car boat against law case law FCC regulation Risks Risks title headed Scale News column November 1985 issue British magazine Radio Control Models & Electronics RCM&E Scale News column written Martin Fardell sent Dr Cyrus Stow Conyers GA Since interests hobby mostly Scale models hope other Scale modelers will take offense reproduc ing what Martin say column RCM&E follows hobby becoming dan gerous risks being taken just dont make sense OK safety boring didnt take risks would never get out bed morning because risk being attacked passing swarm bees high risks low risks Scale modelers just dont seem able tell difference flying small light model country field miles anywhere could just crashand just could hit old lady hap pened walking dog timeand just might injure seriously overall risk small enough negligible other hand flying large heavy model over near large number people risk serious accident certain ly negligible often does something go badly wrong radio model pilot model crashes totally uncontrolled way Say flight thousand certainly no better So 20 meetings displays SO flights least crash pretty like ly large numbers people near under model serious injury also likely reason am writing Scale News because mainly Scale modelers flying potentially dangerous models Continued page 20 18 Model Aviation WHEN YOU FORGETOUR UNITS REMEMBER CaRa Products PO Box 221 Canton SD 57013 605-987-5924 SCALE WHE RADIO CONTROL Q VINTAGE sizes21/i 3/i31/i 133h 1144% 11/25 17/i65/a CONTROL-UNE 0 GOLDEN AGE sizes214 3/431/i 1334 114 43/i 1145 1/86/z ELS FREE-FUGHT 0 NEW BALLOON 214 44 3/4 514 334 SCALE PILOTS CYUNDERS ENGINE KITS - MACHINE GUN KITS PLASTIC DISPLAY MODELS SEND $2 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MANCOS CA 9 e -e &OPP 0sS ot send jOC builders of Giant mod els flying displays fly-ins lots spectators know fast Acrobatic model Pylon Racer can much damage big Scale model general Aerobatics Pylon Racing carried out miles away spectators has already serious accident year very best pilots lost control model display specta tor injured incident widely reported should have can hap pen best pilots can happen us should face up flying big model must allow possibility something going wrong model becoming uncontrollable spectators close flight path would danger model did become uncon trollable should flying primary responsibility safety rests pilot meetings organizers insurance companies have seen flying year has quite defmitely dangerous unless take steps reduce risks worst will happen risk offending British modelers 13 years life lieve general organized model flying dis plays fly-ins US conducted safer manner some Ive attended UK Granted havent lived UK since 1962 things may have changed lot since Beware prop far common injury associated model airplane flying result getting fingers spinning prop Such incidents generally occur during starting fuel-mixture-adjustment opera tions scenario involves model jumping forward because reason another engine throttle wide open during starting operation means minimize potential hazard using wheel chocks forwarded letter Scale enthusi ast Jim Newman Hobart IN Jims letter accompanied photographs appear elsewhere column following say have always little apprehensive about starting taildraggers especially largish ones chocks particular out some means holding tail down circumstances both hands occupied airplane therefore cannot hold ing back stick suppose full-size pilot coming out AS can see photos chock ripped piece 2 x 4 long enough span both wheels keep pre sentable finished yellow urethane enamel us full-size operators also put registration numbers chocks models club logo would look nice too photo also shows long piece window shade cord going off distance vicinity wing tip enables well clear propeller arc chock carefully pulled jerkedin case should snag grass flip up prop clear dragged behind aircraft RAF training coming out parked tail ballast short length polypro pylene lawn chair webbing joining two shot bags made sleeves old denim jacket bags full old nuts bolts rocks anything else heavy Spare money lottery win decided against Continued page 22 20 Model Aviation SMOOTH CONTOUR 3/42 1314 1143 1144/ 214514 L LLA ILL 13311 eacn Ave na Del Rey UA 21i 21-6242 POSI-CURE CYANQACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$2450% Off 2 oz Fast Cure 3-5 Sec895$39656% Off 1 oz Gap-Filling 5 Sec495$2450% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 228-3237 408 251-0789 Out StateINFO 408 251-0787 California Hours Mon-Wed Fri & Sat 930-530 Thur 930-900 1200-500 sand since tends find itself getting through seam might little less tight might find its way flight box engine Instead screwing eye end chock drilled two holes intersect 900 end cord knotted free end fed up through out end chock Finally large nut tied end cord stop slipstream blowing aft Some may recognize Jims model somewhat modified Telemaster Jim stated Hobby Lobby eight-foot-span ver sion powered inverted Fox Eagle 60 shape engine cowling color scheme matte urethane Green Earth cam ouflage serial number intended make model resemble Auster British observation aircraft used Normandy after D-Day landing Jims model also equipped bomb bay drops candies parachutes bombs also stated Fox engine way too much model climbs like pylon Free Flight model excess power always nice have case trouble Control Line safety Issues No havent gotten some modelers prefer indulge CL flying rather RC Yes Im concerned about safety too dont receive letters subject However Tom Dixon Atlanta GA recently arrived mailbox conmined couple useful tips believe Ive mentioned previous safety columns Tom following suggestions first issue concerns ready-to-usecon trol lines often purchased sport fliers beginners matter con venience has experience lines may present two serious safety risks First crimped tubing used secure ends lines can sometimes precipitate fracture strand time can ulti mately lead failure line Failure can also occur crimped tubing tight enough Visual inspection combined pull test time lines used can help prevent ing in-flight failure However opin ion real solution make up own line-end connections per AMA rule book using soft wire binding page 19 1986-87 rule book iF Such end-connection prevents localized pressures individual strands wires Making up own line end-connections also solution far common safe ty problem ready-made control lines involves being overly long set ready-made lines Ive seen last five years has five 25 feet longer length stated box repeatedly have new people come club field lay out 60-ft lines Ringmaster off outside edge 72-ft-radius circle Overlong lines can lead loss control can also result injury someone pit area unsuspecting pilot crew assumes line length accurate marked box Lines longer length marked box equivalent danger RC transmitter marked frequency transmits another frequency Check lines Buy 100-ft tape cut line real length desired redo line ends per AMA rule book Continued page 127 22 Model Aviation ptr unDer FAST SERVICE CODADDS190 Safety Preston Continued page 22 As write column May 1 am listening report radio Soviet nuclear reactor disaster Chernobyl just 60 miles north Kiev visited US CL Scale Team 1982 Thats disaster several magnitudes greater anything can visual ize happening world model airplanes However purpose column alert hazards hobby So usual hope have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston VA 22090 Sorta Pitts/Shepherd Continued page 32 bolts tank outlets bits fuel tubing protect epoxying inside engine compartment Take time next series steps very critical determin ing well model will fly Bolt bottom wing place block up fuselage until its level again Set top wing cabanes using 900 triangle shown pictures make sure top wing square bottom wing drill tap front cabane block Screw top wing snuggly check again triangle make sure its square bottom wing Drill tap rear hole Rock top wing until distance between #2 ribs interplane strut location equal Cut interplane strut core length distance add double pieces ply ends Screw horns place picture shows slot ribs accept horn flanges CyA glue horns ribs unscrew interplane struts carefully unscrew -in mounting bolts Drill pilot hole remain ing sheet metal screws hold maple blocks install screws Back off both screws block smear epoxy tween block flange screw back down Wipe excess epoxy off top block Glue -in cabane keel center maple blocks glue -in side pieces sand cabane fairing shape Turn model over install landing gear fairing block Glue formem WF 1 WF2 bottom wing Cut two -in stringers glue wing Install bolt fairing blocks WF2 behind wing -in stringers aft wing Shape LG fairing block conform WF 1 forward bottom block Pin stab place fuselage lining up bottom wing Sand stab saddle necessary get level wing Place FB top stab pin position glue former FT3 glue stab Cut two 90 angles balsa sheet place fin slots FB FT3 Pin angles stab fin glue tail post fm fuselage andthe fin FB FT3 Remove stab slot cover model before mounting permanently Install tall wheel assembly cable pushrods notch ing -in sheeting cables exit fuselage Covering/finishing original model covered Sig Koverall using dope finishing medium Any iron-on coverings should work well inclined use method After covering cut fin tail post stab slot install stab elevator glue some scrap -in balsa back slot nft stab wheel pants made using foam fiberglass method procedure has detailed others wont add anything except say great way make fiberglass parts plan use 60-size engine would recommend webbing glued spars both wings least out interplane struts model can perform some pretty strenuous maneuvers decoration model combination decals decal sheet hand panting dry transfer letters Snoopy registration numbers made using Sigs blank decal sheet painted about six coats Aero gloss white cut out Pitts hand painted using Pactra Namel gold covered coat clear urethane has arewardingproject Continued page 130 RIC SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE Xx SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REQUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MPG. PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE B%#/4 MEG QUALITY PRODUCTS SINCE 1964 August1986 127 0PROTECHTOR TRO CMOUNT TRANSMITTER CASE, strong thermo molded metal framed soft foa, filled 9e12e5 tarrying case best market trans mitter Price $3250 Add t250 shipping Alaska Hawaii $450 SASE FOR FREE cA1ALOGcAREsADO65 BERGERON ENTERPRISES 443 ROBERTAFULLERTON CA 92632 LNbiELUUUNi. cr5 fdly mashined 6061-T6 aiaeins5 bightiy poilslsed wish rscesed meunting heist Fer 60s tO 125s 0361 55551 61 6S81 OPt 60 V3 615180$ 60 U 90 Enyc 60 fesr sysles $22 Eny 901250$ 120 four sytie 125 Add 5150 isiS Ca AM 300
Edition: Model Aviation - 1986/08
Page Numbers: 17, 18, 20, 22, 127
___John Preston___________________________ Safety Comes First RC frequency scanners frequen cy-use problems Thoughts risks associated flying models Safety aspects Control Line flying lines RC FREQUENCY SCANNERS couple months ago received letter Ben Trapnell modeler Corpus Christi TX also happens full-scale Aviation Safety Officer Ben stated interest ed purchasing frequency monitor would scan frequencies cur rently permitted use However oniy seen frequency monitors such used produced World Engines Airtronics scanned older frequencies ques tion new market will monitor new frequencies set back few thousand bucks being worlds expert RC equip ment called Bill Hershberger lives near member AMA Frequency Committee asked him knew monitor would suitable forand cheap enough forclub use local flying field response Bill sald knew two monitors could programmed scan desired band available stores cater ham radio operators cheaper two ilL 200 sells around $150 $250 expensive still well within budget clubs Yaesu 9600 pro nounced Yah-Soo sells around $300 $400 So club has desire N Q CONSVER T4IS THE CWS IA$T WAP4IN GIl NO CA-Bcr FREQUENCIES ALLOWED AT THIS FLYINi FIELI / purchase frequency monitor suggest pay visit local ham radio store see what have offer Staying subject RC frequencies continue receive steady trickle letters forming hobby stores selling radios aircraft-only channels car boat operators April 1986 Safety col umn discussed suggestion reader David Lewis radios should identified sticker intended use either aircraft-only car/boat-only still hope AMA can use its influence manu facturers RC equipment get adopt Davids suggestion use-identifica tion sticker However rather hold breaths waiting come about something think can Continued page 18 Jim Newman minimizes risk getting fingers prop Austerized Teiemaster using both wheci chock CL tail hold-down baiiast R Theres information column Austers British-made Tayiorcrafts back Forties August 1986 17 * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500FREIGHT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250$25800 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650$38500 25% Nitromethane$495$750$2095$52000 35% Nitromethane$575$875$2495$66000U SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595$35900 THECHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredienfs available alcohol 995% pure very best grade availableThe nitromethane use 100% pure andyou get honesf portion based % volume maximum lubrication get perfect 50/50 blend Bakers AA Castor Oil Klotz Techniplate Racing Oilto protect yourexpensive engines thefinest quality fuel can made price Dont takeour word try some judge yourself See dealer first available order direct Call 247-5008 toll free orders Latest Catalog $300 -~ SIG MANUFACTURING CO Montezuma IA 50171 Prices Subiect chanee notice Wet Cell & Gelled Cell Batteries Completely automatic operation Connect forget Pays itself eries last two three times longer Two models fit size batteries REGULAR MODEL$3995 field kit swatPlus $2 S & H electnc boaf batteriesSpecify 6 12 24V HEAVY DUTY MODEL $49 sport winch large boat andPius $2 505 & H eiectric power charging batteriesSpecify 6 1 2V SASE o nomoon Deale nqu vs n ed RC System NiCd Batteries chargers need age Cycler 0 prevent memory Tester Ito find bad celIsI Osick charger 12 4 hours Trickle charger safe level Field Pant Charger Iboth Ru Ta Portable Charger input 1 20V 1 2Vl A Muifipie Charger up 3 Tx 5 Ru Completely Automatic STANDARD MODEL$179 Fits48VRoandg6VTxpacksPlus$5S&H Others available Icerite call One-Speed Dremel Tool Pull variable-speed operat ion Retains on-off switch Fits inside case Modei 270 280 only Pius $150 S & H educate local hobby store owners may awareor just dont carethat different frequencies airborne models land/water models Michael Eberth Arlington TX recently wrote informed hobby store seemed have dont care attitude radio frequency/use Michael follow ing say friend another city tried unsuccessfully become RC pilot reasons failure unimportant rather leave RC completely decided try boats already radio need ed get changed water use told him needed get crystals changed non-aircraft frequency wife went hobby shop bought boat motor etc asked new crystals sales person told wasnt necessary since wont airplanes around lake anyway ised him change hobby shops After learning episode Michael did what Im suggesting should wrote hobby store owner informed him consequences could result car boat operated aircraft-only channel suspect hobby stores area either uninformed just dont care what use radios sell will put let know specific uses specific frequencies Also tell use radio tuned aircraft-only frequency car boat against law case law FCC regulation Risks Risks title headed Scale News column November 1985 issue British magazine Radio Control Models & Electronics RCM&E Scale News column written Martin Fardell sent Dr Cyrus Stow Conyers GA Since interests hobby mostly Scale models hope other Scale modelers will take offense reproduc ing what Martin say column RCM&E follows hobby becoming dan gerous risks being taken just dont make sense OK safety boring didnt take risks would never get out bed morning because risk being attacked passing swarm bees high risks low risks Scale modelers just dont seem able tell difference flying small light model country field miles anywhere could just crashand just could hit old lady hap pened walking dog timeand just might injure seriously overall risk small enough negligible other hand flying large heavy model over near large number people risk serious accident certain ly negligible often does something go badly wrong radio model pilot model crashes totally uncontrolled way Say flight thousand certainly no better So 20 meetings displays SO flights least crash pretty like ly large numbers people near under model serious injury also likely reason am writing Scale News because mainly Scale modelers flying potentially dangerous models Continued page 20 18 Model Aviation WHEN YOU FORGETOUR UNITS REMEMBER CaRa Products PO Box 221 Canton SD 57013 605-987-5924 SCALE WHE RADIO CONTROL Q VINTAGE sizes21/i 3/i31/i 133h 1144% 11/25 17/i65/a CONTROL-UNE 0 GOLDEN AGE sizes214 3/431/i 1334 114 43/i 1145 1/86/z ELS FREE-FUGHT 0 NEW BALLOON 214 44 3/4 514 334 SCALE PILOTS CYUNDERS ENGINE KITS - MACHINE GUN KITS PLASTIC DISPLAY MODELS SEND $2 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MANCOS CA 9 e -e &OPP 0sS ot send jOC builders of Giant mod els flying displays fly-ins lots spectators know fast Acrobatic model Pylon Racer can much damage big Scale model general Aerobatics Pylon Racing carried out miles away spectators has already serious accident year very best pilots lost control model display specta tor injured incident widely reported should have can hap pen best pilots can happen us should face up flying big model must allow possibility something going wrong model becoming uncontrollable spectators close flight path would danger model did become uncon trollable should flying primary responsibility safety rests pilot meetings organizers insurance companies have seen flying year has quite defmitely dangerous unless take steps reduce risks worst will happen risk offending British modelers 13 years life lieve general organized model flying dis plays fly-ins US conducted safer manner some Ive attended UK Granted havent lived UK since 1962 things may have changed lot since Beware prop far common injury associated model airplane flying result getting fingers spinning prop Such incidents generally occur during starting fuel-mixture-adjustment opera tions scenario involves model jumping forward because reason another engine throttle wide open during starting operation means minimize potential hazard using wheel chocks forwarded letter Scale enthusi ast Jim Newman Hobart IN Jims letter accompanied photographs appear elsewhere column following say have always little apprehensive about starting taildraggers especially largish ones chocks particular out some means holding tail down circumstances both hands occupied airplane therefore cannot hold ing back stick suppose full-size pilot coming out AS can see photos chock ripped piece 2 x 4 long enough span both wheels keep pre sentable finished yellow urethane enamel us full-size operators also put registration numbers chocks models club logo would look nice too photo also shows long piece window shade cord going off distance vicinity wing tip enables well clear propeller arc chock carefully pulled jerkedin case should snag grass flip up prop clear dragged behind aircraft RAF training coming out parked tail ballast short length polypro pylene lawn chair webbing joining two shot bags made sleeves old denim jacket bags full old nuts bolts rocks anything else heavy Spare money lottery win decided against Continued page 22 20 Model Aviation SMOOTH CONTOUR 3/42 1314 1143 1144/ 214514 L LLA ILL 13311 eacn Ave na Del Rey UA 21i 21-6242 POSI-CURE CYANQACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$2450% Off 2 oz Fast Cure 3-5 Sec895$39656% Off 1 oz Gap-Filling 5 Sec495$2450% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 228-3237 408 251-0789 Out StateINFO 408 251-0787 California Hours Mon-Wed Fri & Sat 930-530 Thur 930-900 1200-500 sand since tends find itself getting through seam might little less tight might find its way flight box engine Instead screwing eye end chock drilled two holes intersect 900 end cord knotted free end fed up through out end chock Finally large nut tied end cord stop slipstream blowing aft Some may recognize Jims model somewhat modified Telemaster Jim stated Hobby Lobby eight-foot-span ver sion powered inverted Fox Eagle 60 shape engine cowling color scheme matte urethane Green Earth cam ouflage serial number intended make model resemble Auster British observation aircraft used Normandy after D-Day landing Jims model also equipped bomb bay drops candies parachutes bombs also stated Fox engine way too much model climbs like pylon Free Flight model excess power always nice have case trouble Control Line safety Issues No havent gotten some modelers prefer indulge CL flying rather RC Yes Im concerned about safety too dont receive letters subject However Tom Dixon Atlanta GA recently arrived mailbox conmined couple useful tips believe Ive mentioned previous safety columns Tom following suggestions first issue concerns ready-to-usecon trol lines often purchased sport fliers beginners matter con venience has experience lines may present two serious safety risks First crimped tubing used secure ends lines can sometimes precipitate fracture strand time can ulti mately lead failure line Failure can also occur crimped tubing tight enough Visual inspection combined pull test time lines used can help prevent ing in-flight failure However opin ion real solution make up own line-end connections per AMA rule book using soft wire binding page 19 1986-87 rule book iF Such end-connection prevents localized pressures individual strands wires Making up own line end-connections also solution far common safe ty problem ready-made control lines involves being overly long set ready-made lines Ive seen last five years has five 25 feet longer length stated box repeatedly have new people come club field lay out 60-ft lines Ringmaster off outside edge 72-ft-radius circle Overlong lines can lead loss control can also result injury someone pit area unsuspecting pilot crew assumes line length accurate marked box Lines longer length marked box equivalent danger RC transmitter marked frequency transmits another frequency Check lines Buy 100-ft tape cut line real length desired redo line ends per AMA rule book Continued page 127 22 Model Aviation ptr unDer FAST SERVICE CODADDS190 Safety Preston Continued page 22 As write column May 1 am listening report radio Soviet nuclear reactor disaster Chernobyl just 60 miles north Kiev visited US CL Scale Team 1982 Thats disaster several magnitudes greater anything can visual ize happening world model airplanes However purpose column alert hazards hobby So usual hope have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston VA 22090 Sorta Pitts/Shepherd Continued page 32 bolts tank outlets bits fuel tubing protect epoxying inside engine compartment Take time next series steps very critical determin ing well model will fly Bolt bottom wing place block up fuselage until its level again Set top wing cabanes using 900 triangle shown pictures make sure top wing square bottom wing drill tap front cabane block Screw top wing snuggly check again triangle make sure its square bottom wing Drill tap rear hole Rock top wing until distance between #2 ribs interplane strut location equal Cut interplane strut core length distance add double pieces ply ends Screw horns place picture shows slot ribs accept horn flanges CyA glue horns ribs unscrew interplane struts carefully unscrew -in mounting bolts Drill pilot hole remain ing sheet metal screws hold maple blocks install screws Back off both screws block smear epoxy tween block flange screw back down Wipe excess epoxy off top block Glue -in cabane keel center maple blocks glue -in side pieces sand cabane fairing shape Turn model over install landing gear fairing block Glue formem WF 1 WF2 bottom wing Cut two -in stringers glue wing Install bolt fairing blocks WF2 behind wing -in stringers aft wing Shape LG fairing block conform WF 1 forward bottom block Pin stab place fuselage lining up bottom wing Sand stab saddle necessary get level wing Place FB top stab pin position glue former FT3 glue stab Cut two 90 angles balsa sheet place fin slots FB FT3 Pin angles stab fin glue tail post fm fuselage andthe fin FB FT3 Remove stab slot cover model before mounting permanently Install tall wheel assembly cable pushrods notch ing -in sheeting cables exit fuselage Covering/finishing original model covered Sig Koverall using dope finishing medium Any iron-on coverings should work well inclined use method After covering cut fin tail post stab slot install stab elevator glue some scrap -in balsa back slot nft stab wheel pants made using foam fiberglass method procedure has detailed others wont add anything except say great way make fiberglass parts plan use 60-size engine would recommend webbing glued spars both wings least out interplane struts model can perform some pretty strenuous maneuvers decoration model combination decals decal sheet hand panting dry transfer letters Snoopy registration numbers made using Sigs blank decal sheet painted about six coats Aero gloss white cut out Pitts hand painted using Pactra Namel gold covered coat clear urethane has arewardingproject Continued page 130 RIC SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE Xx SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REQUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MPG. PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE B%#/4 MEG QUALITY PRODUCTS SINCE 1964 August1986 127 0PROTECHTOR TRO CMOUNT TRANSMITTER CASE, strong thermo molded metal framed soft foa, filled 9e12e5 tarrying case best market trans mitter Price $3250 Add t250 shipping Alaska Hawaii $450 SASE FOR FREE cA1ALOGcAREsADO65 BERGERON ENTERPRISES 443 ROBERTAFULLERTON CA 92632 LNbiELUUUNi. cr5 fdly mashined 6061-T6 aiaeins5 bightiy poilslsed wish rscesed meunting heist Fer 60s tO 125s 0361 55551 61 6S81 OPt 60 V3 615180$ 60 U 90 Enyc 60 fesr sysles $22 Eny 901250$ 120 four sytie 125 Add 5150 isiS Ca AM 300