LAST-minute details topic con versation month areas work after scale model basically painted qualifr last minute details Im talking about rivets panel lines other microscopic details important few build Pre cision Scale models rather some often large very commonplace compo nents full-scale aircraft very important appearance realism class CL Scale model Things like scale prop wing walks prominent external details dummy exhaust pipes landing gear struts antennas pitot tubes etc Details such play big role capturing character aircraft trying duplicate normally hard reproduce too often tend rushed last minute because fast approach ing contest deadline sunny summer flying weather Thats ironic because effect crowning touches scale model importance shouldnt underesti mated can honestly make break scale illusion trying create instance Stearman PT- 17 Spirit St Louis dummy radial engine cylinders will plainly never look right Nor would P-5 1 P-40 sporting 2-bladed yellow nylon prop liberal scale judge will turn off sight naked wire landing gear legs personally believe nose cockpit landing gear areas main focal points attention scale model first viewed Out habit whatever judge fellow competitor specta tor will unconsciously look first forming initial impression whether model complete among cream crop~ scale competition think high return areas other words since visible can yield points actual hours work involved some other areas basic structure few important details either absent just poorly done can detract basic airplanes overall impression extent otherwise Continued page 116 August 1979 45 talk about e speed World War Uotfla bomber spanned overll Teet ana flew 87 mph Al Arnolds model version spans42 inches quote powered bytwo hotO49s flew slowly barely Seemed move Head winds aborted Gotha mission London Text outlines techniques painting authentic scale wing walks Mikes Nats World Champs competition Zlinn Akrobat Chrome Pro-Stripe Sig aluminum rivets dupli cate metal edging strips Canopy cockpit details make scale model seem complete Fairchild PT-i 9 could have won Open Sport Scale last years Nats scale prop cockpits wing walks exhaust pipes landing gear below par Good workmanship highly visible crowning touches helps good model score up its full potential Finally -A Definitive Work Electric Propulsion Systems complete resource anyone interested elec tric propulsion Over 100 photos detailed draw ings show models type description can build operate Covers aircraft autos boats solar-powered models Loaded dos donts helpful hints com plete index articles electric propulsion leading US magazines $595 dealer order direct John Pond PO Box 3215 1722 Junction Bldg D San Jose CA 95156 lists no fewer 24 Rearwin Speedster plans two-dollar bill John will bring 27in span 20F-1 plan Stahl machine Thanks cards letters photos encouragement Editors Note What Bill says about Speedster understated superb subject good lookz magnificent stabil ity aforce diagram isjustperfect ofponds 24 plans mentioned Bill Ed Naudzius Rearwin Speedster buy eitherthe 1940 1941 Nats remarkable flier stopped Nats glide passed over entire line ofgas pitsa memorable picture can get excellent kit Stahl Rearwin Flyline $895 Weve seen fly Shangri La Warner 423-C San Vicente Blvd Santa Monica CA 90402 Pluto/H orvath continued page 44 epoxy Fuel Tank fuel tank used Perfect #11 cut re-soldered size wanted have since found out Fox #86820 will fit modifi cation usual rubberband instal lation OK prefer attach fuel tanks ASTRO FI1IGHT InC PIONEERS IN SILENT FLIGHT 13377 Beach Aye Venice CA 90291 slow-setting Scotch epoxy first sand ing side tank #150 paper obtain better bond Final Assembly Epoxy stabilizer fuselage shown Glue top part fuselage place attach rudder Epoxy wing place Finishing types methods finish ing can used would take up space want devote subject Ill just briefly describe technique used After sanding entire plane #320 paper brushed three coats filler 2 parts talcum powder 3 parts nitrate dope sanding between coats #400 paper After applied coat clear nitrate sanded #600 paper sprayed coat K&B epoxy primer sanding #600 sprayed coat K&B epoxy paint application trim decals final coat K&B clear allowed plenty time after coat paint drying MonoKote applied built-up wing design Engines Any good 35 engine will put out enough power maneuvers want sure check balance plane engine attached use Super Tigre engines either 35 stunt G21-35 witha9 X6 panda2m spinner also run homebuilt silencer flying field has tall grass generally remove landing gear good engine planes light weight no problem handlaunching plane also glides well after fuel runs out Pluto has flown friend slow combat seems design versatile enough use almost conditions am sure whoever builds Pluto will disap pointed its performance Finally would like give credit some people have helped project Charlie Sabbagh film processing Dave Amote help shop field Don Noon help writing article writing advertisers mention read about MA CL Scale/Gretz continued page 45 good scale model can made look bad wouldnt go far say exceptional workmanship areas can make out-of-scale poorly constructed model score good static points doing good job can make nice scale model look exceptional Its part artistry creating believable Scale Illusion Like diamonds ring chrome car few prominent details well done can make Sport Scale model sparkle True Grit youve ever glued piece wet-or-dry sandpaper model attempt simulate subject aircrafts wing walks undoubtably know results always satisfactory years have using technique comes close possible think authentically reproduce wing walks involves mixing sand-like grit bonding agent actually painting wing walk surface wing same way usually done full size aircraft sand-like grit abrasive polishing grain similar actually used make sandpaper polish metal sandblast build ings probably brands types different grades composi tion what have always used No 100 grit Aluminum Oxide something basically similar equally suitable can obtained local metal mineral supply outlet will also able get near future Sig Manufacturing Co best type bonding agent use whatever kind paint finishing model painted dope mix sanding grit black dope same brand prefer epoxy enamel finish use black type paint first step applying wing walks mask off area done according scale documentation Take little extra time make sure youre getting accurate possible As final scale details often wont have exact measurements go will have 116 Model Aviation 1930 STINSON TRIMOTOR MODEL T R/C KIT Sport orC Wing Span 80 Wing Area sq Stand Off Scale Weight bs safe way Radio 4 5 ch fly multi ne 1 35 AC 2 15 6 Preformed aluininuni struts cowls Wood construction e Full size plans Sold Direct INTRODUCTORY InformatIon Send SASE toPRICE $12995 MOHAVE INDUSTRIES INC 2365 Northern Ave nan AZ 86401 e 602 757-2480 Three-foot span Almost Scale Blerlot Sherman GIllisple Its 1917 Ideal model made spruce bass balsa must have left out nails because weight 275 OZ less origInal 825 figure 1917 kit-buIlt model rely will static judges close eyeballing three-view drawing photos discrepancy between drawing photos actual subject aircraft means go photos note discrepancy scale presentation judges will realize youve followed accurate information realize Im drifting slightly subject making wing walks good time state basic unwritten rules scale documentation anytime have photo drawing same part same aircraft differ substantially photo best authority use Sounds simple enough its surprising rookies fail see initially pay price first contests Photos thousand times reliable drawings scale modelers dream come true three-view photos com plement back-up other About wing walks Its best use vinyl plastic tape mask off wing-walk area paper tape used clear sealer coat required keep black paint creeping under tape average size job take about 2 ounces black paint stir 1 ounce sanding grit volume measurements weight well mixed immediately start laying mixture place brush Dont overbrushjust smooth out well possible Its important stir mixture constantly between brush load grit heavy will settle bottom quickly mixture seems too thick handle add little thinner make go smoother youre doing first time test first batch piece cardboard instead model Experi ment brushing technique mixture until goes smoothly lumps coat coverage almost always sufficient take tape off immediately after youre done brushing its dry Good thoughts summer months Al Arnold New Orleans writes am president Louisiana Scale Sqn composed about 90% RC Scale enthu siasts have CLer position somewhat unusual guess what really proves dont care scale discipline modeler likes just like scale As result type cama raderie CL Scale guys have gotten lot support enthusiasm RC brothers vice-versa contests something behold have events types scale models would nice see modelers other areas demonstrate kind mutual respect good fellow ship think CL Scale terrific encourage younger modelers area Like said before make up quality what lack numbers hoping will cause increase other PLEASE DONT FLY NEAR POWER LINES Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 46 ments until wing starts dip badly inside squares may solve rolling level flight course rolling doesnt really hurt anything just looks bad after takeoff during interim between maneuvers plane seems go loose lines tops inside outside round loops also tops inside outside squares first thing try tip weight might also try moving leadouts forward increase line tension same time different flightremember may have decrease amount tip weight Let say right firmly believe adjusting tip weight nose weight primary trimming items Some people really like try prop changes some like try leadout engine offset changes some like spend lot time flapsbending cutting trimming trail ing edges etc flier will have try keep open mind get rut trying same thing over over trim out recalcitrant airplane Dont afraid cut plane else fails Better have good flying airplane some minor repairs showing 18-pointer cant fly everyones difficult ma neuvers triangle first corner isnt bad getting top angle just right difficult course deadmans corner always thrill top angle too big third corner less 60 degrees will very often tend stall out plane overweight has low tail volume coefficient relative wing area will need spotter watch keep informed size top angle triangle Better have too small too large help make third corner good eliminate stalling sinking might try adding nose weight and/or changing prop going less blade area helps turning prop diameter Obviously get big bobble third corner cant chalked up nerves inexperience try nose weight means Another way smooth out turning try smaller line spacing handle popular E-Z-Just about 4 Martine Custom Master adjustable handle can get closer line separation acts like adding nose weight slowing down turning Dont forget changing props can make some big differences blade area will help line tension slow down engine Larger diameter will give line tension Larger blade area will soften turning ability Try least two flights August 1979 117 youll have true scale wing walk will never wrinkle peel oft
Edition: Model Aviation - 1979/08
Page Numbers: 45, 116, 117
LAST-minute details topic con versation month areas work after scale model basically painted qualifr last minute details Im talking about rivets panel lines other microscopic details important few build Pre cision Scale models rather some often large very commonplace compo nents full-scale aircraft very important appearance realism class CL Scale model Things like scale prop wing walks prominent external details dummy exhaust pipes landing gear struts antennas pitot tubes etc Details such play big role capturing character aircraft trying duplicate normally hard reproduce too often tend rushed last minute because fast approach ing contest deadline sunny summer flying weather Thats ironic because effect crowning touches scale model importance shouldnt underesti mated can honestly make break scale illusion trying create instance Stearman PT- 17 Spirit St Louis dummy radial engine cylinders will plainly never look right Nor would P-5 1 P-40 sporting 2-bladed yellow nylon prop liberal scale judge will turn off sight naked wire landing gear legs personally believe nose cockpit landing gear areas main focal points attention scale model first viewed Out habit whatever judge fellow competitor specta tor will unconsciously look first forming initial impression whether model complete among cream crop~ scale competition think high return areas other words since visible can yield points actual hours work involved some other areas basic structure few important details either absent just poorly done can detract basic airplanes overall impression extent otherwise Continued page 116 August 1979 45 talk about e speed World War Uotfla bomber spanned overll Teet ana flew 87 mph Al Arnolds model version spans42 inches quote powered bytwo hotO49s flew slowly barely Seemed move Head winds aborted Gotha mission London Text outlines techniques painting authentic scale wing walks Mikes Nats World Champs competition Zlinn Akrobat Chrome Pro-Stripe Sig aluminum rivets dupli cate metal edging strips Canopy cockpit details make scale model seem complete Fairchild PT-i 9 could have won Open Sport Scale last years Nats scale prop cockpits wing walks exhaust pipes landing gear below par Good workmanship highly visible crowning touches helps good model score up its full potential Finally -A Definitive Work Electric Propulsion Systems complete resource anyone interested elec tric propulsion Over 100 photos detailed draw ings show models type description can build operate Covers aircraft autos boats solar-powered models Loaded dos donts helpful hints com plete index articles electric propulsion leading US magazines $595 dealer order direct John Pond PO Box 3215 1722 Junction Bldg D San Jose CA 95156 lists no fewer 24 Rearwin Speedster plans two-dollar bill John will bring 27in span 20F-1 plan Stahl machine Thanks cards letters photos encouragement Editors Note What Bill says about Speedster understated superb subject good lookz magnificent stabil ity aforce diagram isjustperfect ofponds 24 plans mentioned Bill Ed Naudzius Rearwin Speedster buy eitherthe 1940 1941 Nats remarkable flier stopped Nats glide passed over entire line ofgas pitsa memorable picture can get excellent kit Stahl Rearwin Flyline $895 Weve seen fly Shangri La Warner 423-C San Vicente Blvd Santa Monica CA 90402 Pluto/H orvath continued page 44 epoxy Fuel Tank fuel tank used Perfect #11 cut re-soldered size wanted have since found out Fox #86820 will fit modifi cation usual rubberband instal lation OK prefer attach fuel tanks ASTRO FI1IGHT InC PIONEERS IN SILENT FLIGHT 13377 Beach Aye Venice CA 90291 slow-setting Scotch epoxy first sand ing side tank #150 paper obtain better bond Final Assembly Epoxy stabilizer fuselage shown Glue top part fuselage place attach rudder Epoxy wing place Finishing types methods finish ing can used would take up space want devote subject Ill just briefly describe technique used After sanding entire plane #320 paper brushed three coats filler 2 parts talcum powder 3 parts nitrate dope sanding between coats #400 paper After applied coat clear nitrate sanded #600 paper sprayed coat K&B epoxy primer sanding #600 sprayed coat K&B epoxy paint application trim decals final coat K&B clear allowed plenty time after coat paint drying MonoKote applied built-up wing design Engines Any good 35 engine will put out enough power maneuvers want sure check balance plane engine attached use Super Tigre engines either 35 stunt G21-35 witha9 X6 panda2m spinner also run homebuilt silencer flying field has tall grass generally remove landing gear good engine planes light weight no problem handlaunching plane also glides well after fuel runs out Pluto has flown friend slow combat seems design versatile enough use almost conditions am sure whoever builds Pluto will disap pointed its performance Finally would like give credit some people have helped project Charlie Sabbagh film processing Dave Amote help shop field Don Noon help writing article writing advertisers mention read about MA CL Scale/Gretz continued page 45 good scale model can made look bad wouldnt go far say exceptional workmanship areas can make out-of-scale poorly constructed model score good static points doing good job can make nice scale model look exceptional Its part artistry creating believable Scale Illusion Like diamonds ring chrome car few prominent details well done can make Sport Scale model sparkle True Grit youve ever glued piece wet-or-dry sandpaper model attempt simulate subject aircrafts wing walks undoubtably know results always satisfactory years have using technique comes close possible think authentically reproduce wing walks involves mixing sand-like grit bonding agent actually painting wing walk surface wing same way usually done full size aircraft sand-like grit abrasive polishing grain similar actually used make sandpaper polish metal sandblast build ings probably brands types different grades composi tion what have always used No 100 grit Aluminum Oxide something basically similar equally suitable can obtained local metal mineral supply outlet will also able get near future Sig Manufacturing Co best type bonding agent use whatever kind paint finishing model painted dope mix sanding grit black dope same brand prefer epoxy enamel finish use black type paint first step applying wing walks mask off area done according scale documentation Take little extra time make sure youre getting accurate possible As final scale details often wont have exact measurements go will have 116 Model Aviation 1930 STINSON TRIMOTOR MODEL T R/C KIT Sport orC Wing Span 80 Wing Area sq Stand Off Scale Weight bs safe way Radio 4 5 ch fly multi ne 1 35 AC 2 15 6 Preformed aluininuni struts cowls Wood construction e Full size plans Sold Direct INTRODUCTORY InformatIon Send SASE toPRICE $12995 MOHAVE INDUSTRIES INC 2365 Northern Ave nan AZ 86401 e 602 757-2480 Three-foot span Almost Scale Blerlot Sherman GIllisple Its 1917 Ideal model made spruce bass balsa must have left out nails because weight 275 OZ less origInal 825 figure 1917 kit-buIlt model rely will static judges close eyeballing three-view drawing photos discrepancy between drawing photos actual subject aircraft means go photos note discrepancy scale presentation judges will realize youve followed accurate information realize Im drifting slightly subject making wing walks good time state basic unwritten rules scale documentation anytime have photo drawing same part same aircraft differ substantially photo best authority use Sounds simple enough its surprising rookies fail see initially pay price first contests Photos thousand times reliable drawings scale modelers dream come true three-view photos com plement back-up other About wing walks Its best use vinyl plastic tape mask off wing-walk area paper tape used clear sealer coat required keep black paint creeping under tape average size job take about 2 ounces black paint stir 1 ounce sanding grit volume measurements weight well mixed immediately start laying mixture place brush Dont overbrushjust smooth out well possible Its important stir mixture constantly between brush load grit heavy will settle bottom quickly mixture seems too thick handle add little thinner make go smoother youre doing first time test first batch piece cardboard instead model Experi ment brushing technique mixture until goes smoothly lumps coat coverage almost always sufficient take tape off immediately after youre done brushing its dry Good thoughts summer months Al Arnold New Orleans writes am president Louisiana Scale Sqn composed about 90% RC Scale enthu siasts have CLer position somewhat unusual guess what really proves dont care scale discipline modeler likes just like scale As result type cama raderie CL Scale guys have gotten lot support enthusiasm RC brothers vice-versa contests something behold have events types scale models would nice see modelers other areas demonstrate kind mutual respect good fellow ship think CL Scale terrific encourage younger modelers area Like said before make up quality what lack numbers hoping will cause increase other PLEASE DONT FLY NEAR POWER LINES Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 46 ments until wing starts dip badly inside squares may solve rolling level flight course rolling doesnt really hurt anything just looks bad after takeoff during interim between maneuvers plane seems go loose lines tops inside outside round loops also tops inside outside squares first thing try tip weight might also try moving leadouts forward increase line tension same time different flightremember may have decrease amount tip weight Let say right firmly believe adjusting tip weight nose weight primary trimming items Some people really like try prop changes some like try leadout engine offset changes some like spend lot time flapsbending cutting trimming trail ing edges etc flier will have try keep open mind get rut trying same thing over over trim out recalcitrant airplane Dont afraid cut plane else fails Better have good flying airplane some minor repairs showing 18-pointer cant fly everyones difficult ma neuvers triangle first corner isnt bad getting top angle just right difficult course deadmans corner always thrill top angle too big third corner less 60 degrees will very often tend stall out plane overweight has low tail volume coefficient relative wing area will need spotter watch keep informed size top angle triangle Better have too small too large help make third corner good eliminate stalling sinking might try adding nose weight and/or changing prop going less blade area helps turning prop diameter Obviously get big bobble third corner cant chalked up nerves inexperience try nose weight means Another way smooth out turning try smaller line spacing handle popular E-Z-Just about 4 Martine Custom Master adjustable handle can get closer line separation acts like adding nose weight slowing down turning Dont forget changing props can make some big differences blade area will help line tension slow down engine Larger diameter will give line tension Larger blade area will soften turning ability Try least two flights August 1979 117 youll have true scale wing walk will never wrinkle peel oft
Edition: Model Aviation - 1979/08
Page Numbers: 45, 116, 117
LAST-minute details topic con versation month areas work after scale model basically painted qualifr last minute details Im talking about rivets panel lines other microscopic details important few build Pre cision Scale models rather some often large very commonplace compo nents full-scale aircraft very important appearance realism class CL Scale model Things like scale prop wing walks prominent external details dummy exhaust pipes landing gear struts antennas pitot tubes etc Details such play big role capturing character aircraft trying duplicate normally hard reproduce too often tend rushed last minute because fast approach ing contest deadline sunny summer flying weather Thats ironic because effect crowning touches scale model importance shouldnt underesti mated can honestly make break scale illusion trying create instance Stearman PT- 17 Spirit St Louis dummy radial engine cylinders will plainly never look right Nor would P-5 1 P-40 sporting 2-bladed yellow nylon prop liberal scale judge will turn off sight naked wire landing gear legs personally believe nose cockpit landing gear areas main focal points attention scale model first viewed Out habit whatever judge fellow competitor specta tor will unconsciously look first forming initial impression whether model complete among cream crop~ scale competition think high return areas other words since visible can yield points actual hours work involved some other areas basic structure few important details either absent just poorly done can detract basic airplanes overall impression extent otherwise Continued page 116 August 1979 45 talk about e speed World War Uotfla bomber spanned overll Teet ana flew 87 mph Al Arnolds model version spans42 inches quote powered bytwo hotO49s flew slowly barely Seemed move Head winds aborted Gotha mission London Text outlines techniques painting authentic scale wing walks Mikes Nats World Champs competition Zlinn Akrobat Chrome Pro-Stripe Sig aluminum rivets dupli cate metal edging strips Canopy cockpit details make scale model seem complete Fairchild PT-i 9 could have won Open Sport Scale last years Nats scale prop cockpits wing walks exhaust pipes landing gear below par Good workmanship highly visible crowning touches helps good model score up its full potential Finally -A Definitive Work Electric Propulsion Systems complete resource anyone interested elec tric propulsion Over 100 photos detailed draw ings show models type description can build operate Covers aircraft autos boats solar-powered models Loaded dos donts helpful hints com plete index articles electric propulsion leading US magazines $595 dealer order direct John Pond PO Box 3215 1722 Junction Bldg D San Jose CA 95156 lists no fewer 24 Rearwin Speedster plans two-dollar bill John will bring 27in span 20F-1 plan Stahl machine Thanks cards letters photos encouragement Editors Note What Bill says about Speedster understated superb subject good lookz magnificent stabil ity aforce diagram isjustperfect ofponds 24 plans mentioned Bill Ed Naudzius Rearwin Speedster buy eitherthe 1940 1941 Nats remarkable flier stopped Nats glide passed over entire line ofgas pitsa memorable picture can get excellent kit Stahl Rearwin Flyline $895 Weve seen fly Shangri La Warner 423-C San Vicente Blvd Santa Monica CA 90402 Pluto/H orvath continued page 44 epoxy Fuel Tank fuel tank used Perfect #11 cut re-soldered size wanted have since found out Fox #86820 will fit modifi cation usual rubberband instal lation OK prefer attach fuel tanks ASTRO FI1IGHT InC PIONEERS IN SILENT FLIGHT 13377 Beach Aye Venice CA 90291 slow-setting Scotch epoxy first sand ing side tank #150 paper obtain better bond Final Assembly Epoxy stabilizer fuselage shown Glue top part fuselage place attach rudder Epoxy wing place Finishing types methods finish ing can used would take up space want devote subject Ill just briefly describe technique used After sanding entire plane #320 paper brushed three coats filler 2 parts talcum powder 3 parts nitrate dope sanding between coats #400 paper After applied coat clear nitrate sanded #600 paper sprayed coat K&B epoxy primer sanding #600 sprayed coat K&B epoxy paint application trim decals final coat K&B clear allowed plenty time after coat paint drying MonoKote applied built-up wing design Engines Any good 35 engine will put out enough power maneuvers want sure check balance plane engine attached use Super Tigre engines either 35 stunt G21-35 witha9 X6 panda2m spinner also run homebuilt silencer flying field has tall grass generally remove landing gear good engine planes light weight no problem handlaunching plane also glides well after fuel runs out Pluto has flown friend slow combat seems design versatile enough use almost conditions am sure whoever builds Pluto will disap pointed its performance Finally would like give credit some people have helped project Charlie Sabbagh film processing Dave Amote help shop field Don Noon help writing article writing advertisers mention read about MA CL Scale/Gretz continued page 45 good scale model can made look bad wouldnt go far say exceptional workmanship areas can make out-of-scale poorly constructed model score good static points doing good job can make nice scale model look exceptional Its part artistry creating believable Scale Illusion Like diamonds ring chrome car few prominent details well done can make Sport Scale model sparkle True Grit youve ever glued piece wet-or-dry sandpaper model attempt simulate subject aircrafts wing walks undoubtably know results always satisfactory years have using technique comes close possible think authentically reproduce wing walks involves mixing sand-like grit bonding agent actually painting wing walk surface wing same way usually done full size aircraft sand-like grit abrasive polishing grain similar actually used make sandpaper polish metal sandblast build ings probably brands types different grades composi tion what have always used No 100 grit Aluminum Oxide something basically similar equally suitable can obtained local metal mineral supply outlet will also able get near future Sig Manufacturing Co best type bonding agent use whatever kind paint finishing model painted dope mix sanding grit black dope same brand prefer epoxy enamel finish use black type paint first step applying wing walks mask off area done according scale documentation Take little extra time make sure youre getting accurate possible As final scale details often wont have exact measurements go will have 116 Model Aviation 1930 STINSON TRIMOTOR MODEL T R/C KIT Sport orC Wing Span 80 Wing Area sq Stand Off Scale Weight bs safe way Radio 4 5 ch fly multi ne 1 35 AC 2 15 6 Preformed aluininuni struts cowls Wood construction e Full size plans Sold Direct INTRODUCTORY InformatIon Send SASE toPRICE $12995 MOHAVE INDUSTRIES INC 2365 Northern Ave nan AZ 86401 e 602 757-2480 Three-foot span Almost Scale Blerlot Sherman GIllisple Its 1917 Ideal model made spruce bass balsa must have left out nails because weight 275 OZ less origInal 825 figure 1917 kit-buIlt model rely will static judges close eyeballing three-view drawing photos discrepancy between drawing photos actual subject aircraft means go photos note discrepancy scale presentation judges will realize youve followed accurate information realize Im drifting slightly subject making wing walks good time state basic unwritten rules scale documentation anytime have photo drawing same part same aircraft differ substantially photo best authority use Sounds simple enough its surprising rookies fail see initially pay price first contests Photos thousand times reliable drawings scale modelers dream come true three-view photos com plement back-up other About wing walks Its best use vinyl plastic tape mask off wing-walk area paper tape used clear sealer coat required keep black paint creeping under tape average size job take about 2 ounces black paint stir 1 ounce sanding grit volume measurements weight well mixed immediately start laying mixture place brush Dont overbrushjust smooth out well possible Its important stir mixture constantly between brush load grit heavy will settle bottom quickly mixture seems too thick handle add little thinner make go smoother youre doing first time test first batch piece cardboard instead model Experi ment brushing technique mixture until goes smoothly lumps coat coverage almost always sufficient take tape off immediately after youre done brushing its dry Good thoughts summer months Al Arnold New Orleans writes am president Louisiana Scale Sqn composed about 90% RC Scale enthu siasts have CLer position somewhat unusual guess what really proves dont care scale discipline modeler likes just like scale As result type cama raderie CL Scale guys have gotten lot support enthusiasm RC brothers vice-versa contests something behold have events types scale models would nice see modelers other areas demonstrate kind mutual respect good fellow ship think CL Scale terrific encourage younger modelers area Like said before make up quality what lack numbers hoping will cause increase other PLEASE DONT FLY NEAR POWER LINES Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 46 ments until wing starts dip badly inside squares may solve rolling level flight course rolling doesnt really hurt anything just looks bad after takeoff during interim between maneuvers plane seems go loose lines tops inside outside round loops also tops inside outside squares first thing try tip weight might also try moving leadouts forward increase line tension same time different flightremember may have decrease amount tip weight Let say right firmly believe adjusting tip weight nose weight primary trimming items Some people really like try prop changes some like try leadout engine offset changes some like spend lot time flapsbending cutting trimming trail ing edges etc flier will have try keep open mind get rut trying same thing over over trim out recalcitrant airplane Dont afraid cut plane else fails Better have good flying airplane some minor repairs showing 18-pointer cant fly everyones difficult ma neuvers triangle first corner isnt bad getting top angle just right difficult course deadmans corner always thrill top angle too big third corner less 60 degrees will very often tend stall out plane overweight has low tail volume coefficient relative wing area will need spotter watch keep informed size top angle triangle Better have too small too large help make third corner good eliminate stalling sinking might try adding nose weight and/or changing prop going less blade area helps turning prop diameter Obviously get big bobble third corner cant chalked up nerves inexperience try nose weight means Another way smooth out turning try smaller line spacing handle popular E-Z-Just about 4 Martine Custom Master adjustable handle can get closer line separation acts like adding nose weight slowing down turning Dont forget changing props can make some big differences blade area will help line tension slow down engine Larger diameter will give line tension Larger blade area will soften turning ability Try least two flights August 1979 117 youll have true scale wing walk will never wrinkle peel oft