Pylon Racing BY THE TIME read issue Model viation hope pylon racers have given some thought rules pro posed PROPS Seattle rules published RCM racing writer would like see combination rules would have uni form set parameters airframe /2A Until happens will see very manufacturers jump bandwagon spend money tool-up /2A racer specs different across country compromise rules would allow tapered wing maintain 2 X 4 measurement fuselage necessarily same point use two wheels landing gear field permits ie grass fieldsno landing gear pavementlanding gear required Keep 20-oz minimum 32-oz maximum weight Maximum 30% nitro Cox racing fuel whatever commercially available through hobby shops use posi tive fuel shut-off No pressure special engines Obviously going upset lot hot-dog racers Well cant please everyone time enough guys across country want go super fast need standard un limited class unlimited meaning just anything goes What am trying say keep Y2A event simple inexpensive enjoyable novice flier can get racing competitive guess enough soapbox routine month Dave Lane Lets talk about putting finish pet pylon ship will look good resist 30% 70% nitro fuels use K&B Super Poxy paint primer resin -oz glass cloth method recommended K&B few minor changes After have basic airframe completed structure sanded ready first coat sealer think about trying following system will ne&l follow ing items equipment 1 Paint compressor spray gun ex ternal air mix 2 2 oz plastic mixing cups 3 Resin squeegee I-in brush 4 Roll toilet paper 5 Suitable container mixing paint 6 Scissors sharp 7Tac rag 8A oz glass cloth 9 K&B Resin & catalyst 10 K&B thinner llK&BprimerPartA& B 12 Hobbypoxy Stuff 13K&BPaintPartA& B Now have begged borrowed stolen things needed finishing plane lets go through procedure step step part airframe should glassed individually means major components fabricated assembled permanently reason resin does foul hinges rudder elevator ailerons Also easier cover parts indi vidually trying cover tail example already glued fuse lage Lay glass cloth over part covered trim material scissors leave overlap around part Mix batch resin 1 2 oz depending size part pour top glass Squeegee resin through glass wood After have surface covered resin pull out wrinkles pick up excess resin roll toilet paper Roll toilet paper over resin paper rolls itself Pick up excess resin until surface looks dull Lay part aside go next piece Go back first part trim /4 excess lightly sand edges smooth Repeat process opposite side before first side becomes completely cured will prevent warps Resin does shrink about 1 2% After resin has completely cured sand 120- 130-grit sand paper want stage sand off oil resin surface should have slight frosty look finished sanding Now ready primer Mix equal parts & B thin about 10% can brush primer easier spray Spray primer 55 65 lbs pressure Get coat primer possible After about six hours can sand primer 180 grit sandpaper Sand primer until get smooth almost transparent coat spots will sand out use some Hobbypoxy Stuff straight out can Put Stuff over bad spot Keep fingers wet thinner work Stuff until smooth will cut down amount sanding later After Stuff has dried sand 220 280 grit Now check again low spots grain etc spots still exist brush light coat primer spots let dry Sand spots 280 grit until primer feathered base primer coat Now using tac rag wipe whole structure down remove sanding dust sure blow out interior cut outs compressor prior using tac rag also helps wipe structure K&B thinner just before painting will get rid oil left struc ture fingers general handling Now mix parts & B paint equal amounts per instructions Heat pan water boil turn off heat set paint container water Let container set hot water until paint comes up temperature water will about 1600 F Add between 15 20% thinner heated paint mix thoroughly Spray soon possible after heating paint spray color between 45 55 lbs pressure hold continued page 89 24 Model Aviation Wearing happy smile Whit Stockwell just won special award 75 Nats best Formula entered Model Little Toni Supertigre 40 power Simple inoopensine sturdy internal switch mount installs ma jiffy double sided tape eta foes side/former bottom junction No drilling bolting awkward areas Takes up much less room Other similar mounts-perfect smell planet Noble Switchoreft eon Other twitch 1 1 15 between mounting 4oL2gsAce Noble Internal Switch Mount $gg Please send complete catalog Enclosed $100 refunded first order Add S50 lot class mail return odd $100 handling other rs 40L209Ace Nemeplete $59 -J Like builders Triangles Trienulee II ore another hendy workshop eld youll find indispeosable triangles hence hase en can thumb tank theet te boilding surtece end bane instant fuse lega cOnstructiOn Also base Obey era immediately seltaligning vertical ere assured perpendicular rudder alelog stob--the corner triangle remoced glue joint filet isnt disturbed made aluminum durehility plus makas e good strainbe edge cutting Ecery worhehop nodes pair 31 LbAce Triangles II pair$fS0 NAME ADDRESS CITY STATE Zn ACE WRAP N TIES Nylon straps tighten down wont loosen op Handy oats orgenleing trensmitter receicer wire bundles smuring fuel line engines tenks strapping things together plus Ceo reused care issoorcised Meesures 1/513175cm X 4110cm yackege often d0L21 0Ace WrepN Ties pkgot 10 579 r -SI ACE 1/2A MOTOR MOUNT Tired ot breaking motor moonts f/2A pattern colon ship rigidly braced molded nylon motor mount Medallion end Tee Dee 049/051s olmost lodestructeble beck up saying Ace P/C will repleca free cherge eny 1/2A Motor Mount breaks reason including enreshl unique mount has moontiog ears tot nose gear desired Weighs 57 grams 12 001 hogiod mounting herdware included fSL204Ace t/2A Motor Mount$119 6 X 3 FIBERGLASS PROP Are tired breeking plastic props hece use get top performance out 1/2A pattern pylon job Weca solced abet problem mekiog eneilable whet elI 1/2A fliers hece long awaited e top quality high par tormance fiberglass 5 0 3 propI Users indicate get ten times life out fiberglass ocer plestic wood prop eneoetOntiOal bargain plus ceo get top per formance TD Put hour 1/2A right ewe yand notice difference RC Pylon/Lane continued page 24 spray gun between 8 10 surface first color coat does have perfect should try put possible cut down amount sanding later usually mix cup paint time will cover typical Formula Onesize bird two times consider coat spraying color coat hot paint becomes dust free about 6 8 mm will finger print proof about 8 hrs After paint has dried look over masterpiece will probably say didnt know what talking about first coat will usually look pretty bad unless super finish primer stage Sand first color coat 320 grit wet will give super smooth glass-like surface want final coat find spots wont sand out will get out Stuff patch necessary Usually stage game stall cockpit detail canopy way surface around cockpit open ing has good coat paint well sealed Mask off canopy vinyl electrical tape Leave about Vs canopy ex posed around bottom Mix some 5minute epoxy apply bottom edge canopy Set canopy fuse lage hold place masking tape strap across top canopy down fuselage side Once have canopy tightly place apply fillet epoxy around outside canopy base Keep finger wet thinner water during operation should come out smooth fillet will re quire little sanding once dries Brush coat primer over fillet let dry sand Remove tape fillet replace fresh strip vinyl tape Now ready repeat color coat step Again sure clean en tire structure carefully tac rag Wipe down again thinner Prepare paint before spray wet coat over entire structure careful spraying coat stop middle wing panel fuse lage section start again causes excessive over spray will cause flat spots gloss get run coat put ting paint too wet and/or too thin catch run before gets too large wet finger carefully smooth run out continue spray Gen erally after run smoothed out paint will flow enough time sets up run invisible Let paint set up 30 45 mm very carefully remove masking tape around canopy fillet will let paint flow little edge eliminate very sharp edge between paint canopy also helps eliminate tendency paint chip removing masking tape plan painting trim color over basic color allow basic color dry 24 hr Mask trim vinyl tape spray trim same way did base color vinyl tape gives clean paint separation line does readily let paint bleed under edges like masking tape After 30 45 mm pull trim mask up trim color will flow enough eliminate sharp edge created vinyl tape Now have lucky prayed dust gods bowed east west finishing process complete no rubbing will required Let paint set up 24 hr wax lucky did get some dust shows wet sand 600 grit rub out #7 DuPont Compound within 12 hr will get wet glossy look back will get decent luster comparable dope enamel finish has rubbed out address 4477 W 136th St Haw thorne CA 90250 September 1976 89 ML ifIMIVl~LMt E dusty black etched clear anodiced elumi 0dm plate 020 thick backed transfer adhesice cat stunk anywhere trans mitter fluid hoc brief case etc loyal Ace tees INTERNAL SWITCH MOUNT FOR NOBLE SWITCH TRIANGLES II
Edition: Model Aviation - 1976/09
Page Numbers: 24, 89
Pylon Racing BY THE TIME read issue Model viation hope pylon racers have given some thought rules pro posed PROPS Seattle rules published RCM racing writer would like see combination rules would have uni form set parameters airframe /2A Until happens will see very manufacturers jump bandwagon spend money tool-up /2A racer specs different across country compromise rules would allow tapered wing maintain 2 X 4 measurement fuselage necessarily same point use two wheels landing gear field permits ie grass fieldsno landing gear pavementlanding gear required Keep 20-oz minimum 32-oz maximum weight Maximum 30% nitro Cox racing fuel whatever commercially available through hobby shops use posi tive fuel shut-off No pressure special engines Obviously going upset lot hot-dog racers Well cant please everyone time enough guys across country want go super fast need standard un limited class unlimited meaning just anything goes What am trying say keep Y2A event simple inexpensive enjoyable novice flier can get racing competitive guess enough soapbox routine month Dave Lane Lets talk about putting finish pet pylon ship will look good resist 30% 70% nitro fuels use K&B Super Poxy paint primer resin -oz glass cloth method recommended K&B few minor changes After have basic airframe completed structure sanded ready first coat sealer think about trying following system will ne&l follow ing items equipment 1 Paint compressor spray gun ex ternal air mix 2 2 oz plastic mixing cups 3 Resin squeegee I-in brush 4 Roll toilet paper 5 Suitable container mixing paint 6 Scissors sharp 7Tac rag 8A oz glass cloth 9 K&B Resin & catalyst 10 K&B thinner llK&BprimerPartA& B 12 Hobbypoxy Stuff 13K&BPaintPartA& B Now have begged borrowed stolen things needed finishing plane lets go through procedure step step part airframe should glassed individually means major components fabricated assembled permanently reason resin does foul hinges rudder elevator ailerons Also easier cover parts indi vidually trying cover tail example already glued fuse lage Lay glass cloth over part covered trim material scissors leave overlap around part Mix batch resin 1 2 oz depending size part pour top glass Squeegee resin through glass wood After have surface covered resin pull out wrinkles pick up excess resin roll toilet paper Roll toilet paper over resin paper rolls itself Pick up excess resin until surface looks dull Lay part aside go next piece Go back first part trim /4 excess lightly sand edges smooth Repeat process opposite side before first side becomes completely cured will prevent warps Resin does shrink about 1 2% After resin has completely cured sand 120- 130-grit sand paper want stage sand off oil resin surface should have slight frosty look finished sanding Now ready primer Mix equal parts & B thin about 10% can brush primer easier spray Spray primer 55 65 lbs pressure Get coat primer possible After about six hours can sand primer 180 grit sandpaper Sand primer until get smooth almost transparent coat spots will sand out use some Hobbypoxy Stuff straight out can Put Stuff over bad spot Keep fingers wet thinner work Stuff until smooth will cut down amount sanding later After Stuff has dried sand 220 280 grit Now check again low spots grain etc spots still exist brush light coat primer spots let dry Sand spots 280 grit until primer feathered base primer coat Now using tac rag wipe whole structure down remove sanding dust sure blow out interior cut outs compressor prior using tac rag also helps wipe structure K&B thinner just before painting will get rid oil left struc ture fingers general handling Now mix parts & B paint equal amounts per instructions Heat pan water boil turn off heat set paint container water Let container set hot water until paint comes up temperature water will about 1600 F Add between 15 20% thinner heated paint mix thoroughly Spray soon possible after heating paint spray color between 45 55 lbs pressure hold continued page 89 24 Model Aviation Wearing happy smile Whit Stockwell just won special award 75 Nats best Formula entered Model Little Toni Supertigre 40 power Simple inoopensine sturdy internal switch mount installs ma jiffy double sided tape eta foes side/former bottom junction No drilling bolting awkward areas Takes up much less room Other similar mounts-perfect smell planet Noble Switchoreft eon Other twitch 1 1 15 between mounting 4oL2gsAce Noble Internal Switch Mount $gg Please send complete catalog Enclosed $100 refunded first order Add S50 lot class mail return odd $100 handling other rs 40L209Ace Nemeplete $59 -J Like builders Triangles Trienulee II ore another hendy workshop eld youll find indispeosable triangles hence hase en can thumb tank theet te boilding surtece end bane instant fuse lega cOnstructiOn Also base Obey era immediately seltaligning vertical ere assured perpendicular rudder alelog stob--the corner triangle remoced glue joint filet isnt disturbed made aluminum durehility plus makas e good strainbe edge cutting Ecery worhehop nodes pair 31 LbAce Triangles II pair$fS0 NAME ADDRESS CITY STATE Zn ACE WRAP N TIES Nylon straps tighten down wont loosen op Handy oats orgenleing trensmitter receicer wire bundles smuring fuel line engines tenks strapping things together plus Ceo reused care issoorcised Meesures 1/513175cm X 4110cm yackege often d0L21 0Ace WrepN Ties pkgot 10 579 r -SI ACE 1/2A MOTOR MOUNT Tired ot breaking motor moonts f/2A pattern colon ship rigidly braced molded nylon motor mount Medallion end Tee Dee 049/051s olmost lodestructeble beck up saying Ace P/C will repleca free cherge eny 1/2A Motor Mount breaks reason including enreshl unique mount has moontiog ears tot nose gear desired Weighs 57 grams 12 001 hogiod mounting herdware included fSL204Ace t/2A Motor Mount$119 6 X 3 FIBERGLASS PROP Are tired breeking plastic props hece use get top performance out 1/2A pattern pylon job Weca solced abet problem mekiog eneilable whet elI 1/2A fliers hece long awaited e top quality high par tormance fiberglass 5 0 3 propI Users indicate get ten times life out fiberglass ocer plestic wood prop eneoetOntiOal bargain plus ceo get top per formance TD Put hour 1/2A right ewe yand notice difference RC Pylon/Lane continued page 24 spray gun between 8 10 surface first color coat does have perfect should try put possible cut down amount sanding later usually mix cup paint time will cover typical Formula Onesize bird two times consider coat spraying color coat hot paint becomes dust free about 6 8 mm will finger print proof about 8 hrs After paint has dried look over masterpiece will probably say didnt know what talking about first coat will usually look pretty bad unless super finish primer stage Sand first color coat 320 grit wet will give super smooth glass-like surface want final coat find spots wont sand out will get out Stuff patch necessary Usually stage game stall cockpit detail canopy way surface around cockpit open ing has good coat paint well sealed Mask off canopy vinyl electrical tape Leave about Vs canopy ex posed around bottom Mix some 5minute epoxy apply bottom edge canopy Set canopy fuse lage hold place masking tape strap across top canopy down fuselage side Once have canopy tightly place apply fillet epoxy around outside canopy base Keep finger wet thinner water during operation should come out smooth fillet will re quire little sanding once dries Brush coat primer over fillet let dry sand Remove tape fillet replace fresh strip vinyl tape Now ready repeat color coat step Again sure clean en tire structure carefully tac rag Wipe down again thinner Prepare paint before spray wet coat over entire structure careful spraying coat stop middle wing panel fuse lage section start again causes excessive over spray will cause flat spots gloss get run coat put ting paint too wet and/or too thin catch run before gets too large wet finger carefully smooth run out continue spray Gen erally after run smoothed out paint will flow enough time sets up run invisible Let paint set up 30 45 mm very carefully remove masking tape around canopy fillet will let paint flow little edge eliminate very sharp edge between paint canopy also helps eliminate tendency paint chip removing masking tape plan painting trim color over basic color allow basic color dry 24 hr Mask trim vinyl tape spray trim same way did base color vinyl tape gives clean paint separation line does readily let paint bleed under edges like masking tape After 30 45 mm pull trim mask up trim color will flow enough eliminate sharp edge created vinyl tape Now have lucky prayed dust gods bowed east west finishing process complete no rubbing will required Let paint set up 24 hr wax lucky did get some dust shows wet sand 600 grit rub out #7 DuPont Compound within 12 hr will get wet glossy look back will get decent luster comparable dope enamel finish has rubbed out address 4477 W 136th St Haw thorne CA 90250 September 1976 89 ML ifIMIVl~LMt E dusty black etched clear anodiced elumi 0dm plate 020 thick backed transfer adhesice cat stunk anywhere trans mitter fluid hoc brief case etc loyal Ace tees INTERNAL SWITCH MOUNT FOR NOBLE SWITCH TRIANGLES II