Radio Control Pylon Racing Bill Hager MOST read column regularly know 1986 selected FAT Pylon team will represent USA Melbourne Aus tralia April 1987 World Cham pionships 1987 team truly finest RC Pylon Racing team ever assembled country 1-2-3 finish team very distinct possi bility make first-class effort team could use some help Heres chance part 1987 team demonstrating support effort raise much-needed additional team funding finest-quality five-color embroidered patch now available five dollars postpaid em blems also have heat-sensitive adhesive backing sewing required may ap plied easily type apparel hats Order yours today will limited edition item Sent United States FAT Pylon Racing Team Fund 91 Sylvan St Avon CT 06001 As know sometimes very diffi cult locate racing supplies kits engines special parts past have listed hobby shops enterprises cater Racing people order fair about time time will list shops month have John Hancock does excellent rework Formula FAI engines information write John PO Box 2694 Abilene TX 79604 call 915 677-8568 672-2682 Another Pauls Flying Stuff PO Box 121 Escondido CA 92025 Paul sells Denight Special Tee Tailed Q500 motor mounts bar stock spinners article epoxy sent Art Arro reprinted Karen Yeager think will like goes best epoxy glues available aeromodeling applications Dave Browns Mix A-Matic weird name derived original Mix-A-Matic epoxy included dis penser pumps sold Southern RC Prod ucts Dave picked up Southern Products line retained name changed formula qion 21 mix ratio present 11 ratio part part B ao dmpped pumps Ive used Mix-A-Matic epoxy adhesion requirements decade success slow type epoxy pot life 45 minutes setup time two three hours As epoxy-type resins maximum strength achieved 24 hours under normal curing conditions five-minute varieties take long develop full strength several features Mix-A-Matic worth mentioning first variable viscosity temperature mixed normal shop temperatures Mix-A-Matic has sufficient viscosity coat parts running off true thixotropic resin comes close viscosity changes application heat range 100-140 F gets quite thin wick its way joint use feature extensively high-strength joints including firewalls Pylon Racers dihedral breaks Electric Sailplanes Simply coat both parts joint some Mix-A-Matic join together warm joint hair dryer heat gun keeping temperature below 140 F temperature limit can determined placing fingers close joint cant stand heat too hot epoxy chemistry may break down poor polymerization curing aware large batches ounce will exotherm generate own heat curing clamp joint set aside cure fully Any movement during cure cycle will severely weaken bond variable viscosity also useful adding microballoons milled glass fiber adding fillers mixed batch epoxy youll note saturation point Just heat resin mix before will accept filler use Prather Miracle Microballoons new K&B ones build up fillets intersecting surfaces can opies added microballoons make lighter fillet easier sanding milled glass fiber should used external joint due difficulty sanding excellent secur ing firewalls formers glass fuselages Mix-A-Matic epoxy best repair ing epoxy/glass fuselages since really sands well will gum up sandpaper other brands use straight Mix-A-Matic apply S74 * / LON RAC~ fiberglass cloth stnps like Band-Aids inside fuselage breaks stressed areas Use heavier six-ounce cloth high-strength areas two-ounce material minor dings Cut strip size saturate epoxy squeeze Out apply break area Use several strips follow curved break line Oh yes must thoroughly clean fuse lage fuel-soaking before attempting repair K-2R brand spot-lifter thinner acetone etc work well degreasing fuselage can test truly oil-free putting standard mask ing tape break area tape sticks surface oil-free ready repair use lot masking drafting tape hold things together during repair efforts Back Mix-A-Matic new solder-flux brushes good sliding saturated cloth patch place hit area mild blast hair dryer heat gun flow resin brush out voids add microballoons remaining resin mix trowel outside fracture lines important use same resin batch since will cure together uniform mass Ive found epoxies dont stick cured surface unless roughed up cleaned thinner acetone Mix-A-Matic better respect other brands al ways wise prepare surfaces first Set whole gooey fuselage aside 24 hours clean hands standard rubbing alcohol 9 1% followed thorough soap-andwater cleanup Remember some epoxies may produce highly allergic skin reaction less skin contact better cured fuselage may block-sanded starting 80 grit after fully cured follow up 120 grit putty small voids Model Magic Filler additional microbalboons epoxy Also further fill fracture areas heavy brush-coat primer before spraying refinish sure wear dust mask sanding fiberglass especially milled glass fibers closing article Id like mention problem encountered Mix-A-Matic well its solution Quite frequently Part would cloud thicken up making impossible squeeze out its container would occur partially-used batches unopened containers just purchased used send back Dave Sally replacement too would harden up solution simply place Part pot boiling water turn off heat allow cool room temperature Part will clear return normal have recovered some con tainers Part rock-hard sub sequently used building perfectly normal drawback Ive found Mix-A-Matic may look some hard ened batches Part swap shops greatlyreduced prices way retail price Mix-A-Matic $695 10 oz 70 cents per Continued page 156 52 Model Aviation Top 5 Harrisburg Annual Northeast Championship GM Race Lto R D Sumner K Huilk R Knepper G Doe D Latsha filers except Lataha holding planesbut Dave appears holding dead fish grapher has photographed Converse air Cessna 170 Ive included shots column give idea what Converse looks like specifics dates other particulars next months column Till thenkeep em flying B-I-G John de Vries 46lOMoffattLn Colorado Springs CO 80915 RC Helicopters/Jolly Continued page 51 After several flights breaking engine decided wring Champion out Pushing forward flight found Champion tracked perfectly straight no tail wag machine loops stall-tums rolls nicely Approaches gentle predictable IIh7I0 IIG TAIL IS DEUIX ALL MESA KIT An new Tiger Tail 120 four strokes piped 60 twO strokes beautiful perfarmer forcampetitian just showing baisa sit machined wood parts complete hardware package includes plug-ia ad astable stab ports new wing mounts Wing Span -72 Wing Area -860 sq Complete Delus Kit$15995 TRANSMITTER CASE An inespeosrue out ragged moloco case protect roar espensive transmitter both two 50cr arro S rig e St C rrarrsm tram Stown eatter 3m C wtfl aLminuns trim locking cano $1895 next tank tested throttle-hold see could drop motor out could autorotation would next Lining up hit switch Champion autoed right feet first approach subsequent flights found could really play collective during autorotation thereby correct long high approaches Champion truly delivers great Helicopter have flown Champion last seven months have found holds up true dont fly often would like would bet Champion has over 30 hours flying Nothing has cracked fallen off blades still track first outing very dependable just charge fuel fly clean start cycle over Thinking about Champion several things really like about First impor tant rotor head works stays track PIDGIN AIIUTAULE STAD UT last u can optimize stab incidence ton Pest fhgrrt criaracteristics pair glass tilled adlusters included pronde ton micro screw adjustment ot smaller host tube Man tube aluminum Witt matcning pherolic socket $693 WING IWE & SOCIETS luminum ahoy tubing plug-in mifl ncluded parr special slip-fit henoric sockets burid rap wing 7/S dd $1493 smuctare Now size modes 2$893 dia 2$993 NEW VING M@IDU1NG SET ming mounting system dezeloped bri ton Chidgey fart seat accirate stays tigm Three brackets screws machined mrn5 blocks duped- $595 WAIfS MAGIC GADGET Apotactordeu eas sedb1rba Kestese pac ateftrmeasue act eezatorn Onaddertiow ares keg es nuohoa o trw mngouta arpane Aqua tytoo omp ete astruet om pa bookand aryrtg $793 plastic bellcranks smooth show no wear after seven months flying think nylon tail pushrod supports very clever show thought Dieter puts machines complaint have minor hate mention faimess thought didnt give some vinegar might die sugar diabetes As Champion comes no pro vision made get glow plug Schluter has super cooling-fan housing completely encompasses head engine problem simply solved using remote Head Lock clip visible right side Champion under fuel tank sum up am very impressed Champion flies great stays together Airtronics radio Schluter Webra comple ment nicely product test real joy com plaint because work schedule dont get fly Champion much would like BCNU Larry Jolly 5501 W Coma Santa Ana CA 92703 RC Pylon Racing/Hager Continued page 52 ounce cheaper some other popular slow-cure epoxies hope article will help winter building efforts have helpful ideas hints share Send directly See next month Bill Hager 706 Glen Haven Dr Conroe TX 77385 Stick n Tissue/Kester Continued page 57 sides fuselage per kit instructions being certain build amount wing dihedral called Attach tail pieces mount struts braces install landing gear wheels glue sheet molded plastic windshield canopy pieces place required Add necessary final covering top cabin between wings Cub Cruiser give entire model another coat two clear dope ink panel lines control surface outlines whatever extent taste dic tates Clean dope brush way after use swishing fraction ounce dope thinner youve added almost much liquid dishwashing detergent ounce two warm water Rinse brush fresh water swish thinner/detergent/water mixture again rinse repeat until brush clean Let air-dry cant find appropriately-colored tissue can apply several coats colored dope nearly reasonably lightweight brush aerosol paintwhich need fuel-proof rubber-powered model Go easy color coats pigments heavy unless dont plan fly model 156 Model Aviation GATOR Makes Winner See Dealer or- Order 0 tell oclude 51 50 Per Item UPS GATOR R/C PRODUCTS 3713 Pompano Dine uco FL 3h5 4 Prone Td4 u7&hbgh
Edition: Model Aviation - 1987/04
Page Numbers: 52, 156
Radio Control Pylon Racing Bill Hager MOST read column regularly know 1986 selected FAT Pylon team will represent USA Melbourne Aus tralia April 1987 World Cham pionships 1987 team truly finest RC Pylon Racing team ever assembled country 1-2-3 finish team very distinct possi bility make first-class effort team could use some help Heres chance part 1987 team demonstrating support effort raise much-needed additional team funding finest-quality five-color embroidered patch now available five dollars postpaid em blems also have heat-sensitive adhesive backing sewing required may ap plied easily type apparel hats Order yours today will limited edition item Sent United States FAT Pylon Racing Team Fund 91 Sylvan St Avon CT 06001 As know sometimes very diffi cult locate racing supplies kits engines special parts past have listed hobby shops enterprises cater Racing people order fair about time time will list shops month have John Hancock does excellent rework Formula FAI engines information write John PO Box 2694 Abilene TX 79604 call 915 677-8568 672-2682 Another Pauls Flying Stuff PO Box 121 Escondido CA 92025 Paul sells Denight Special Tee Tailed Q500 motor mounts bar stock spinners article epoxy sent Art Arro reprinted Karen Yeager think will like goes best epoxy glues available aeromodeling applications Dave Browns Mix A-Matic weird name derived original Mix-A-Matic epoxy included dis penser pumps sold Southern RC Prod ucts Dave picked up Southern Products line retained name changed formula qion 21 mix ratio present 11 ratio part part B ao dmpped pumps Ive used Mix-A-Matic epoxy adhesion requirements decade success slow type epoxy pot life 45 minutes setup time two three hours As epoxy-type resins maximum strength achieved 24 hours under normal curing conditions five-minute varieties take long develop full strength several features Mix-A-Matic worth mentioning first variable viscosity temperature mixed normal shop temperatures Mix-A-Matic has sufficient viscosity coat parts running off true thixotropic resin comes close viscosity changes application heat range 100-140 F gets quite thin wick its way joint use feature extensively high-strength joints including firewalls Pylon Racers dihedral breaks Electric Sailplanes Simply coat both parts joint some Mix-A-Matic join together warm joint hair dryer heat gun keeping temperature below 140 F temperature limit can determined placing fingers close joint cant stand heat too hot epoxy chemistry may break down poor polymerization curing aware large batches ounce will exotherm generate own heat curing clamp joint set aside cure fully Any movement during cure cycle will severely weaken bond variable viscosity also useful adding microballoons milled glass fiber adding fillers mixed batch epoxy youll note saturation point Just heat resin mix before will accept filler use Prather Miracle Microballoons new K&B ones build up fillets intersecting surfaces can opies added microballoons make lighter fillet easier sanding milled glass fiber should used external joint due difficulty sanding excellent secur ing firewalls formers glass fuselages Mix-A-Matic epoxy best repair ing epoxy/glass fuselages since really sands well will gum up sandpaper other brands use straight Mix-A-Matic apply S74 * / LON RAC~ fiberglass cloth stnps like Band-Aids inside fuselage breaks stressed areas Use heavier six-ounce cloth high-strength areas two-ounce material minor dings Cut strip size saturate epoxy squeeze Out apply break area Use several strips follow curved break line Oh yes must thoroughly clean fuse lage fuel-soaking before attempting repair K-2R brand spot-lifter thinner acetone etc work well degreasing fuselage can test truly oil-free putting standard mask ing tape break area tape sticks surface oil-free ready repair use lot masking drafting tape hold things together during repair efforts Back Mix-A-Matic new solder-flux brushes good sliding saturated cloth patch place hit area mild blast hair dryer heat gun flow resin brush out voids add microballoons remaining resin mix trowel outside fracture lines important use same resin batch since will cure together uniform mass Ive found epoxies dont stick cured surface unless roughed up cleaned thinner acetone Mix-A-Matic better respect other brands al ways wise prepare surfaces first Set whole gooey fuselage aside 24 hours clean hands standard rubbing alcohol 9 1% followed thorough soap-andwater cleanup Remember some epoxies may produce highly allergic skin reaction less skin contact better cured fuselage may block-sanded starting 80 grit after fully cured follow up 120 grit putty small voids Model Magic Filler additional microbalboons epoxy Also further fill fracture areas heavy brush-coat primer before spraying refinish sure wear dust mask sanding fiberglass especially milled glass fibers closing article Id like mention problem encountered Mix-A-Matic well its solution Quite frequently Part would cloud thicken up making impossible squeeze out its container would occur partially-used batches unopened containers just purchased used send back Dave Sally replacement too would harden up solution simply place Part pot boiling water turn off heat allow cool room temperature Part will clear return normal have recovered some con tainers Part rock-hard sub sequently used building perfectly normal drawback Ive found Mix-A-Matic may look some hard ened batches Part swap shops greatlyreduced prices way retail price Mix-A-Matic $695 10 oz 70 cents per Continued page 156 52 Model Aviation Top 5 Harrisburg Annual Northeast Championship GM Race Lto R D Sumner K Huilk R Knepper G Doe D Latsha filers except Lataha holding planesbut Dave appears holding dead fish grapher has photographed Converse air Cessna 170 Ive included shots column give idea what Converse looks like specifics dates other particulars next months column Till thenkeep em flying B-I-G John de Vries 46lOMoffattLn Colorado Springs CO 80915 RC Helicopters/Jolly Continued page 51 After several flights breaking engine decided wring Champion out Pushing forward flight found Champion tracked perfectly straight no tail wag machine loops stall-tums rolls nicely Approaches gentle predictable IIh7I0 IIG TAIL IS DEUIX ALL MESA KIT An new Tiger Tail 120 four strokes piped 60 twO strokes beautiful perfarmer forcampetitian just showing baisa sit machined wood parts complete hardware package includes plug-ia ad astable stab ports new wing mounts Wing Span -72 Wing Area -860 sq Complete Delus Kit$15995 TRANSMITTER CASE An inespeosrue out ragged moloco case protect roar espensive transmitter both two 50cr arro S rig e St C rrarrsm tram Stown eatter 3m C wtfl aLminuns trim locking cano $1895 next tank tested throttle-hold see could drop motor out could autorotation would next Lining up hit switch Champion autoed right feet first approach subsequent flights found could really play collective during autorotation thereby correct long high approaches Champion truly delivers great Helicopter have flown Champion last seven months have found holds up true dont fly often would like would bet Champion has over 30 hours flying Nothing has cracked fallen off blades still track first outing very dependable just charge fuel fly clean start cycle over Thinking about Champion several things really like about First impor tant rotor head works stays track PIDGIN AIIUTAULE STAD UT last u can optimize stab incidence ton Pest fhgrrt criaracteristics pair glass tilled adlusters included pronde ton micro screw adjustment ot smaller host tube Man tube aluminum Witt matcning pherolic socket $693 WING IWE & SOCIETS luminum ahoy tubing plug-in mifl ncluded parr special slip-fit henoric sockets burid rap wing 7/S dd $1493 smuctare Now size modes 2$893 dia 2$993 NEW VING M@IDU1NG SET ming mounting system dezeloped bri ton Chidgey fart seat accirate stays tigm Three brackets screws machined mrn5 blocks duped- $595 WAIfS MAGIC GADGET Apotactordeu eas sedb1rba Kestese pac ateftrmeasue act eezatorn Onaddertiow ares keg es nuohoa o trw mngouta arpane Aqua tytoo omp ete astruet om pa bookand aryrtg $793 plastic bellcranks smooth show no wear after seven months flying think nylon tail pushrod supports very clever show thought Dieter puts machines complaint have minor hate mention faimess thought didnt give some vinegar might die sugar diabetes As Champion comes no pro vision made get glow plug Schluter has super cooling-fan housing completely encompasses head engine problem simply solved using remote Head Lock clip visible right side Champion under fuel tank sum up am very impressed Champion flies great stays together Airtronics radio Schluter Webra comple ment nicely product test real joy com plaint because work schedule dont get fly Champion much would like BCNU Larry Jolly 5501 W Coma Santa Ana CA 92703 RC Pylon Racing/Hager Continued page 52 ounce cheaper some other popular slow-cure epoxies hope article will help winter building efforts have helpful ideas hints share Send directly See next month Bill Hager 706 Glen Haven Dr Conroe TX 77385 Stick n Tissue/Kester Continued page 57 sides fuselage per kit instructions being certain build amount wing dihedral called Attach tail pieces mount struts braces install landing gear wheels glue sheet molded plastic windshield canopy pieces place required Add necessary final covering top cabin between wings Cub Cruiser give entire model another coat two clear dope ink panel lines control surface outlines whatever extent taste dic tates Clean dope brush way after use swishing fraction ounce dope thinner youve added almost much liquid dishwashing detergent ounce two warm water Rinse brush fresh water swish thinner/detergent/water mixture again rinse repeat until brush clean Let air-dry cant find appropriately-colored tissue can apply several coats colored dope nearly reasonably lightweight brush aerosol paintwhich need fuel-proof rubber-powered model Go easy color coats pigments heavy unless dont plan fly model 156 Model Aviation GATOR Makes Winner See Dealer or- Order 0 tell oclude 51 50 Per Item UPS GATOR R/C PRODUCTS 3713 Pompano Dine uco FL 3h5 4 Prone Td4 u7&hbgh