Control Line COMBAT Charlie Johnson SPENT some time around Memorial Day weekend visiting some old friends Eugene OR also attending North west Regionals also re-indoctrinated Rich Porter Two years ago nicknamed Rich Northwest Terror believe everyone knows him would agree Hes guy youve probably read about flys Aerobatics 500-sq-in TD-powered model 60-powered plane bigger car Rich also thought few new ways fly Combat way really gets regular Com bat guys excited lets make some thing happen mode object make head-on passes opponent thought might amusing someone else opponentbut course Combat fliers have traditional ways fly ing Combat such following oppo nent British thought very un sportsmanlike fly place other downwind third circle years ago diesel popular no enough power fly dead wind suppose would consider making head-on passes fairly unsportsmanlike too since would encourage carnagebut Ive heard lot fliers say expect lose model per match anyway Theres new twist piloting skills its maneuvering model ob ject use much pilots circle can Run side other around edge back forth few times Real hard line up model isnt Unless youre track star thing plant yourself center hope other guy runs occa sionally credit latest wrinkle goes Chinese rather Rich since hed rather talk run argument Rich sometimes argues both sides running around pilots circle making headon passes might legal doesnt make much fun fly Combat local sportscasters always says about football baseball etc its just game Com bat flying isnt sport its hobbybut look seriously take Rich would have solved worlds problems Howard Rush ap peared giant roll carbon fibre thoughts returned building re pairing models stayed Gene Pape Mr Dogfighter Continued page 156 nese iow t.omual iiwr5 L 1st through 4th-place winners Houston TX April L tO i om Fluker Richard Stubblefield George Cleveland Mitchell Cleveland Photo Frank Williams three gents R big smiles top 3 placers FAI Combat Eugene OR meet Memorial Day L R John Salvin3rd Howard Rushist Phil Granderson2nd used foam-winged models Rush Granderson used Nelson 15s couple matches 60 Model Aviation Ken Burdick L Bill Varner mix up Slow Combat Regionals Eugene OR Note theyre using safety thongs handlesa requirement since site next airport 4/ What meaning ComDaTr jann Thompson must asking himself question walks off field after winning double elim Fast Combat Regionals good part Johns summer fleet lost day Last details Attach bellcrank -in #2 Sheet metal screw Sew elevator using Dacron flying line figure-eight stith Dab small amount gap-filling CyA knots needle holes using toothpick apply glue Dont use thin CyA will wick throughout hinges lock Position control horn pushrod holes above hinge line pushrod will parallel fuselage Mark bore holes elevator control horn 1-larden holes wijh thin CyA glue deburr holes CyA glue used way prevents crushing elevator [he control horn attached Attach control horn will need about 9-in piece 047 piano wire ihe pushrod Bend Z-shape end attach bellcrank cut 8 froiri bend Solder spring thread end provide neutral adjust ment An adult experienced modeler should help soldering Install along mini snaplink attaching control horn prefer may use Z-bends both ends along adjust ment kink Dont install pushrod guide until after few test flights 047 wire stiff enough flight loads will want support once plane trimmed out protect pushrod getting bent handling Make up lead-outs using good parts some ruined 015 0 18 strand ed steel flying lines Cotitbat contest should yield some Form loops wrap #28 soft copper wire shown plans See also AMA rule book page No 17 Alternately may use hard-finished 20-lb-test kite string tie lead-outs Watch closely fraying replace often Steel lead-outs preferred Glue penny position outboard wing gap-filling CyA Attach engine using Va-in No 2 sheet metal screws Cut small cigar tube about 4 long bladder holder attach above outboard wing against fu selage thin servo-mounting tape Seal penny wing weight hinge needle holes exit holes en gine bellcrank screws poly urethane Hang up dry Flying Check CG first between nd leading edge fine slightly nose-heavy OK first few flights tail-heavy balance point must corrected before fly ing pushrod should adjusted equal elevator travel both ways Use top hole control horn first few flights Use 5 x 3 nylon prop fly plane 008 x 35-ft steel stranded lines Feel airplane out slowlyfirst level flight big loops big eights inverted flight move CO small steps testing change before going may become bit soft lines some rearward CG positions shim inside screws engine mount small No 2 wash ers give out-thrust original has flown 30-ft Da cron lines well 30 35 38 42-ft 008 stranded steel lines abso lutely calm fun fly 42-ft lines otherwise 35 38-ft seems about right Right now original model rigged use top hole control horn CO trim trainer zips right through big loop very smooth steady Tighter turns pos sible CG shifted back /x will nice later Using pressure bladder big mystery can difficult start out impossible combination combination thai worked just fine fol lowing Very well-worn twin-port Cox 290 new engines until have run lot much trouble 2 Bladder made I/ioin ID A2-in-wall surgical tubing can obtained Kistorn Kraft manship Sig 3 5/ x 3 Top Flite nylon prop too much prop no needle setting will work 4 Cox Super Power Fuel other fuels will no doubt work fine does sure 5 Add spring needle valve unless change nylon seal daily needle drift may problem will need small 10cc syringe fill bladder clamp pinch off fuel line experienced running engines bladder pressure get experi enced help Have fun version Annes Plane CL CombaVJohflsOfl Continued page 60 told findings new Fox Mark IV Gene machinist de cided take couple engines work see what right ng major problem flanges sleeves square Drop sleeve crankcase would seat way around No amount lapping would thing about either suppose problem varies engine engine reason lot engines bind once screws tightened headelamp also prob lem some engines encourages leak rather seal Gene reported crank timing also off user-fixable have Dremel tool degree wheel above maladies probably wouldnt keep Mark IV running fairly well would never screamer Ive seen dead-stock verywell-fitted engines go fast hop-upsand often times faster b maneuverability move cause hop-up really de-tune pushrod down hole control horn people hop-up engines also have brave enough move CO back precision-fitted theyre ones far 7/ inno farther that go fast 156 Model Aviation FOX GLOW PLUGS FOR THOSE WHO WANT THE BEST UURT $119 WHO $119 RC SHORT Si NC LONG $19 Rhodium twice expensive platinum s better glow plugs space age insulator costs glass crack use Job shops couldnt hold tolerances wanted metal parts ourselves though less 1 plug 500 fails glow st FOX PLUGS THOSE WHO WANT THE BEST F OXMFG CO 5306 TOWSON AVE FORT SMITH ARK 12901 Hot tieu 501 646-1656 Hobby Horn Wing Span--iSO Wing Area--ISO SqAK6l4/ SENSOAR glider HOBBY HORN EscIusieI HOBBY HORN Kit Th SENSOAR did kit isa high qsality kit Machine cot ed parts Select quality balsa spruce Detailed plans et-itten instructions Fo THERMAL sr SLOPE o 95 ELECTRIC POWER VALUE PRICEOUt 51900 __________ Full ajiSPirtial Kits full strOpwosd plan Now mel Wire Window etc Mat. Notes may purchased lust Os semi kits plans-write call prices 1906 Buobaneer64-95l 1938 Clipper MIt I-72--S39 1937 Dallalre Sptaer106S61 1940 Ranger-40- 527 1939 Mrvury72S16 1931 MIss Amerloa84--9I9 1941 Playboy Jr14S2S 1941 Playboy Sr-90946 1938 Pomee HoueeS4--S43 1941 Sailplane-78-- $74 1940 So Long-SO--$21 1938 Trenton Terror-72-532 1939 Z1pper14-S48 1939 Korda Wakefleld44- $17 MIDWAY MODEL CO Semi-Ella Comltned sIstrtp 1938 PlyIng Quaker-84-$49 1937 quaker Plash-6T930 1937 Long Cabtn78942 1937 Air chtef61-949 UTNUCKS 1940 79 Span 035 Sq new ruler SEMI-KIT tPlan lncll--S3300 Combo Pull Kit------- $6309 QALU PLANU DRAWINGS StO HEINKEL HE-bOO 62 abs $1009 5141 PINGAND HANDLtNGage Up $880 add $110 $209 PPIlst class $881 $2000 add $221 copy will sent $2001 $4100 add $200 free--when requested-$4101 $7000 add $150 order over $7000 sdd $400 HOBBY HORN CA Addressees add 6% tax 0hobby specialties5 Send MO visa/MCt#-Exp 19173 MoranStreet [A] Check tallow up 30 PO Boa 2212 days check cleerance Westminster Ca 92663 J COOExact Charges 719 893-8311 Hdl Cash OnlytAU UPS 719 8951203 Ive good luck over years using jewelers rouge break-in engines can purchase rouge hardware stores couple bucks Ive stick stuff 15 years have hardly used quarter Scrape off bit end mix 3 oil lap piston liner together engine dis assembled compound very abra sive would take long time lap too much Fox makes abrasive com pound called Garnet should used caution insert head can lapped cylinder using either com pound stick plug insert use electric drill speed up process hop-up articles tell about grind out inside crank can Ignore until youve won few contests can get Texas starts time instant starts come wellfitted engine mighty arm sure wash out engine safe solvent will easy spot bad bearing engine dry since lot oil would mask problem Fortunately bearings Fox standard size available either Fox bearing supply house Basi cally Id engine would classed under clean inspect other lapping jewelers rouge best thing Ive found aid break-in Take cotton swab put little mixture exhaust port Flip engine over few times distribute mixture run engine Hat NORTHERN CALIFORNIAS LARGEST1 IDISCOUNT HOBBY SHOPI I well FUEL New high film strength lubricantU increased power engine lifeI Highest aualily ingredients Detaction cut varnish II 3 I IL II II II IU II U5EYOURI HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I L m Saturday 930-600Sunday 1200-500m muM short burst Uust prime OK Put rouge mixture exhaust run few minutes time going messy Keep test stand away everrthing Youll notice shiny area top piston inside cylinder As piston passes exhaust port youll also notice seals right rather going farther up cylin der engine needs have lots lots running time before ready Combat engine run fast overlean will grow its proper fit run engine blubbering rich seems loosen rod wrist-pin-to piston fit took rod/piston sembly apart hope worked inside see-through plastic bag little wrist-pin retaining clips didnt fly away put retainer clips back piston should cut off bent part orient remainder pointing up toward top piston Another technique break-in run engine couple times tear down buff high spots piston Dremel tool cloth polishing tool using rouge mixture lot work take chance losing seal someplace Engines seal right after closing exhaust seem make supe nor Slow Combat engines nice-starting Fast Combat engines reason lot very fast engines have loose fits distort get hot also NOW THERFS QUICK AND EASY WAY CLEANING YOUR MODEL CGAFTS Super K Mane Crooner Son over fuei heraue dirt contact CUTS CLEANING TiME IN NAIl iSt Spray roocrel solvent w ye raft cloth POPOt tOwel SMPUEAS Il-tAT notes croft showcase coon1 Wosftt harm Paints t1fl Dries Clere 1d Himinotes tI Cleaning model Strong Professional Osroity totmuid Grant tar Model Craft hoots Hones Ho copters Cenys CeriSy hrorects drr core mode DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry I-rOve rtr s product n t fOr Christmas guaranteed ao tOp tel Suog retail $550 per gallon Contact us tar price structures ordering intormallon Also ask about other SuperiC products Ia Model Industry Are Mornrtoclurers & Motor Brands Dlntrlbutots ot Model Engines Kits Radios & Accessories Super K irr orand Kings RadIo Control Nobbles Intemafionol 3960 West lAlti Ave Nialeoh FlorIda 33012 Pltone 305 5572024 October Power Soar New Heights Lei~ LT-50 Electric Motor 01 Cu equivalent gas engine displacement Send self-addressed stamped envelope catalog ap plication notes Leisure 11 Deerspring/lrvine/cA 92714 S 1983 157 NYLON BOLTS Have Nylon Bolt Customers Needs & 1/3 Scale Airplanes WING COWL STAB BOLTS 5/16 1/4 10/32 6/32 4/40 Available 24 Assortment Package NEW Kitty Hawk Models Hobby-Craft Magnifier & Accessory 9 SIZES IITTT KIWI MOuLD KR 2 PeoN md 47414 met ci Call 6121723-3601 ci 723-3486 internal stresses Precision fitting machining doesnt guarantee engine stay ing alignment producing its maximum power Myles Lawrence seen using Henry Nelson crank Fox 36 case bored new bearings installed its do-it-yourself category engine very fast Whether cranks will available Ill probably know next column Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Aerobatics/Paul Continued page 61 thing surface correctly scuffed cleaned Id suggest dope plus tissue paper dope plus tack filler clear coat dope light coat Imron colors covers unbelievably well heavy coat lmron white covers about same three coats white dope about heavy two Sweeper 900 done tmron white added 3 oz 900-sq-in airframe Remember 1 trim finished painted non-trim areas white Windy tells about other paints Other two-part paints Ive experimented tnmont Ditzler Inmont 2-K clear coating made go over lacquer finishes four-part clear one-part hardener mixtack time two hours other wise identical lmron Ditzler clearcoat eight-parts clear one-part hardener mix Bob Baron used successfully 1980 ship However two paints seem slightly less bulletproof Imron dry quickly slightly less toxic Use charcoal respirator still must spraying multi part paints other paints go over thing just like lrnron does hut seem lose shine faster Imron think ever small weight-saving over Imron pick up less dust due fast tack-time ususlly two hours between coats other thing about tmron seems work well structures flex like I-beam wings stabs etc following information should help ful choice accident repairs wish use different types paints same plane I Imron will go over anything provided surface roughed up some dope nitrate butysate will nor go over Imron 2 Sig dope Ia butyrate type will go over nitrate dope like Aero Gloss can used over under acrylic lacquers can use type lacquer thinner Sig dope 3 Aero Gloss dope nitrate type will cover butyrate Sig dope can used bare wood problems cannot used over two-part paint like Hobbypoxy can use regular lacquer thinner Aero Gloss 4 Hobbypoxy will usually go over thing need use flobbypoxy thin ner can use butyrate dope over Hob bypoxy applied dry thick mixture excessive thinner 5 Acrylic lacquers same family products Sig Randolph dope can used over under mixed dope use same thinners treat like hutyrate dope youll satisfied results 6 Both Ditzler DuPont make full line acrylic lacquer products tend dry out become brittle age would recommend I-beam wings/tails silkspan-covered surfaces Nitrate butyrate dopes come both high-shrink tautening low-shrink non tautening know itLitecoat mulations nitrate basically product use over hare wood attach covering airframes Remember nitrate-type dopes will adhere best bare wood fillets such Epoxolite thanks again Windy Urtnowski comments painting Well continue subject after Nationals issue information Stunt orPAMPA conPEANUT SCALE MODEU KISS $505 / ZEROMILES M-1O PIETENPOL DRUINE PIPER CUB COUGAR ANDRESONGIPSY MOTH MUSTANGLACEY M-10 GANAGOBIE Rubber PoweredSPORT MODELE BABY ACE$640 ONE NITE 20$695 ONE NITE tO$595 PRAtRIE BtRDSTRINGLESS$495 KIT $505PECK ROG$105 BLIMPS CONTROLLED ond 3 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS ORANGE snd YELLOW LOW PRICES WNEW/C#VAIOG No 25 5O Dnge4D*Aujeuaje PHONE 0191 4424030 10101 4000075 W BOX 2498 -MALA MESA CA 92041 Hawker Hurricane 1/6 scale Send $200 Catalog Ikon NWST Dept MA PO Box 566 Auburn WA 98002 206 941-8248 ALL NEW CUSTOM SCNNEURLE COX 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom p arts Cox TD 020049051 & 09 engines Competition parts & accessories Combat Free FIt C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna HWs CA 92653 Telephone 714 830-5162 158 Model Aviation Paul Clement0 1731 NW 45 Street Ft udordale Ft 333119 13051 491-6115 ENGINEERING THE LANDING GEAR PE01E Tired kit inodlog gears dent fit yoer biggie property o & 0 Engiaconog coo solve problems * Custom huh needs & specs goarooteed fit * Stroog & durable withatnod toogbest toodiog * 11 & Engineering geor olil work & keep biggie tiylog * to stock ropiacemeot gear popular models Byrne Pttts Christen Engie CAP 21 Balsa USA 1-3 CUB Air Tech Pawnee nod Eaglo tiosee Big Slick Chomp Citabria ft & ft models Snapper tioqer ood Snapper Too
Edition: Model Aviation - 1983/10
Page Numbers: 60, 156, 157, 158
Control Line COMBAT Charlie Johnson SPENT some time around Memorial Day weekend visiting some old friends Eugene OR also attending North west Regionals also re-indoctrinated Rich Porter Two years ago nicknamed Rich Northwest Terror believe everyone knows him would agree Hes guy youve probably read about flys Aerobatics 500-sq-in TD-powered model 60-powered plane bigger car Rich also thought few new ways fly Combat way really gets regular Com bat guys excited lets make some thing happen mode object make head-on passes opponent thought might amusing someone else opponentbut course Combat fliers have traditional ways fly ing Combat such following oppo nent British thought very un sportsmanlike fly place other downwind third circle years ago diesel popular no enough power fly dead wind suppose would consider making head-on passes fairly unsportsmanlike too since would encourage carnagebut Ive heard lot fliers say expect lose model per match anyway Theres new twist piloting skills its maneuvering model ob ject use much pilots circle can Run side other around edge back forth few times Real hard line up model isnt Unless youre track star thing plant yourself center hope other guy runs occa sionally credit latest wrinkle goes Chinese rather Rich since hed rather talk run argument Rich sometimes argues both sides running around pilots circle making headon passes might legal doesnt make much fun fly Combat local sportscasters always says about football baseball etc its just game Com bat flying isnt sport its hobbybut look seriously take Rich would have solved worlds problems Howard Rush ap peared giant roll carbon fibre thoughts returned building re pairing models stayed Gene Pape Mr Dogfighter Continued page 156 nese iow t.omual iiwr5 L 1st through 4th-place winners Houston TX April L tO i om Fluker Richard Stubblefield George Cleveland Mitchell Cleveland Photo Frank Williams three gents R big smiles top 3 placers FAI Combat Eugene OR meet Memorial Day L R John Salvin3rd Howard Rushist Phil Granderson2nd used foam-winged models Rush Granderson used Nelson 15s couple matches 60 Model Aviation Ken Burdick L Bill Varner mix up Slow Combat Regionals Eugene OR Note theyre using safety thongs handlesa requirement since site next airport 4/ What meaning ComDaTr jann Thompson must asking himself question walks off field after winning double elim Fast Combat Regionals good part Johns summer fleet lost day Last details Attach bellcrank -in #2 Sheet metal screw Sew elevator using Dacron flying line figure-eight stith Dab small amount gap-filling CyA knots needle holes using toothpick apply glue Dont use thin CyA will wick throughout hinges lock Position control horn pushrod holes above hinge line pushrod will parallel fuselage Mark bore holes elevator control horn 1-larden holes wijh thin CyA glue deburr holes CyA glue used way prevents crushing elevator [he control horn attached Attach control horn will need about 9-in piece 047 piano wire ihe pushrod Bend Z-shape end attach bellcrank cut 8 froiri bend Solder spring thread end provide neutral adjust ment An adult experienced modeler should help soldering Install along mini snaplink attaching control horn prefer may use Z-bends both ends along adjust ment kink Dont install pushrod guide until after few test flights 047 wire stiff enough flight loads will want support once plane trimmed out protect pushrod getting bent handling Make up lead-outs using good parts some ruined 015 0 18 strand ed steel flying lines Cotitbat contest should yield some Form loops wrap #28 soft copper wire shown plans See also AMA rule book page No 17 Alternately may use hard-finished 20-lb-test kite string tie lead-outs Watch closely fraying replace often Steel lead-outs preferred Glue penny position outboard wing gap-filling CyA Attach engine using Va-in No 2 sheet metal screws Cut small cigar tube about 4 long bladder holder attach above outboard wing against fu selage thin servo-mounting tape Seal penny wing weight hinge needle holes exit holes en gine bellcrank screws poly urethane Hang up dry Flying Check CG first between nd leading edge fine slightly nose-heavy OK first few flights tail-heavy balance point must corrected before fly ing pushrod should adjusted equal elevator travel both ways Use top hole control horn first few flights Use 5 x 3 nylon prop fly plane 008 x 35-ft steel stranded lines Feel airplane out slowlyfirst level flight big loops big eights inverted flight move CO small steps testing change before going may become bit soft lines some rearward CG positions shim inside screws engine mount small No 2 wash ers give out-thrust original has flown 30-ft Da cron lines well 30 35 38 42-ft 008 stranded steel lines abso lutely calm fun fly 42-ft lines otherwise 35 38-ft seems about right Right now original model rigged use top hole control horn CO trim trainer zips right through big loop very smooth steady Tighter turns pos sible CG shifted back /x will nice later Using pressure bladder big mystery can difficult start out impossible combination combination thai worked just fine fol lowing Very well-worn twin-port Cox 290 new engines until have run lot much trouble 2 Bladder made I/ioin ID A2-in-wall surgical tubing can obtained Kistorn Kraft manship Sig 3 5/ x 3 Top Flite nylon prop too much prop no needle setting will work 4 Cox Super Power Fuel other fuels will no doubt work fine does sure 5 Add spring needle valve unless change nylon seal daily needle drift may problem will need small 10cc syringe fill bladder clamp pinch off fuel line experienced running engines bladder pressure get experi enced help Have fun version Annes Plane CL CombaVJohflsOfl Continued page 60 told findings new Fox Mark IV Gene machinist de cided take couple engines work see what right ng major problem flanges sleeves square Drop sleeve crankcase would seat way around No amount lapping would thing about either suppose problem varies engine engine reason lot engines bind once screws tightened headelamp also prob lem some engines encourages leak rather seal Gene reported crank timing also off user-fixable have Dremel tool degree wheel above maladies probably wouldnt keep Mark IV running fairly well would never screamer Ive seen dead-stock verywell-fitted engines go fast hop-upsand often times faster b maneuverability move cause hop-up really de-tune pushrod down hole control horn people hop-up engines also have brave enough move CO back precision-fitted theyre ones far 7/ inno farther that go fast 156 Model Aviation FOX GLOW PLUGS FOR THOSE WHO WANT THE BEST UURT $119 WHO $119 RC SHORT Si NC LONG $19 Rhodium twice expensive platinum s better glow plugs space age insulator costs glass crack use Job shops couldnt hold tolerances wanted metal parts ourselves though less 1 plug 500 fails glow st FOX PLUGS THOSE WHO WANT THE BEST F OXMFG CO 5306 TOWSON AVE FORT SMITH ARK 12901 Hot tieu 501 646-1656 Hobby Horn Wing Span--iSO Wing Area--ISO SqAK6l4/ SENSOAR glider HOBBY HORN EscIusieI HOBBY HORN Kit Th SENSOAR did kit isa high qsality kit Machine cot ed parts Select quality balsa spruce Detailed plans et-itten instructions Fo THERMAL sr SLOPE o 95 ELECTRIC POWER VALUE PRICEOUt 51900 __________ Full ajiSPirtial Kits full strOpwosd plan Now mel Wire Window etc Mat. Notes may purchased lust Os semi kits plans-write call prices 1906 Buobaneer64-95l 1938 Clipper MIt I-72--S39 1937 Dallalre Sptaer106S61 1940 Ranger-40- 527 1939 Mrvury72S16 1931 MIss Amerloa84--9I9 1941 Playboy Jr14S2S 1941 Playboy Sr-90946 1938 Pomee HoueeS4--S43 1941 Sailplane-78-- $74 1940 So Long-SO--$21 1938 Trenton Terror-72-532 1939 Z1pper14-S48 1939 Korda Wakefleld44- $17 MIDWAY MODEL CO Semi-Ella Comltned sIstrtp 1938 PlyIng Quaker-84-$49 1937 quaker Plash-6T930 1937 Long Cabtn78942 1937 Air chtef61-949 UTNUCKS 1940 79 Span 035 Sq new ruler SEMI-KIT tPlan lncll--S3300 Combo Pull Kit------- $6309 QALU PLANU DRAWINGS StO HEINKEL HE-bOO 62 abs $1009 5141 PINGAND HANDLtNGage Up $880 add $110 $209 PPIlst class $881 $2000 add $221 copy will sent $2001 $4100 add $200 free--when requested-$4101 $7000 add $150 order over $7000 sdd $400 HOBBY HORN CA Addressees add 6% tax 0hobby specialties5 Send MO visa/MCt#-Exp 19173 MoranStreet [A] Check tallow up 30 PO Boa 2212 days check cleerance Westminster Ca 92663 J COOExact Charges 719 893-8311 Hdl Cash OnlytAU UPS 719 8951203 Ive good luck over years using jewelers rouge break-in engines can purchase rouge hardware stores couple bucks Ive stick stuff 15 years have hardly used quarter Scrape off bit end mix 3 oil lap piston liner together engine dis assembled compound very abra sive would take long time lap too much Fox makes abrasive com pound called Garnet should used caution insert head can lapped cylinder using either com pound stick plug insert use electric drill speed up process hop-up articles tell about grind out inside crank can Ignore until youve won few contests can get Texas starts time instant starts come wellfitted engine mighty arm sure wash out engine safe solvent will easy spot bad bearing engine dry since lot oil would mask problem Fortunately bearings Fox standard size available either Fox bearing supply house Basi cally Id engine would classed under clean inspect other lapping jewelers rouge best thing Ive found aid break-in Take cotton swab put little mixture exhaust port Flip engine over few times distribute mixture run engine Hat NORTHERN CALIFORNIAS LARGEST1 IDISCOUNT HOBBY SHOPI I well FUEL New high film strength lubricantU increased power engine lifeI Highest aualily ingredients Detaction cut varnish II 3 I IL II II II IU II U5EYOURI HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I L m Saturday 930-600Sunday 1200-500m muM short burst Uust prime OK Put rouge mixture exhaust run few minutes time going messy Keep test stand away everrthing Youll notice shiny area top piston inside cylinder As piston passes exhaust port youll also notice seals right rather going farther up cylin der engine needs have lots lots running time before ready Combat engine run fast overlean will grow its proper fit run engine blubbering rich seems loosen rod wrist-pin-to piston fit took rod/piston sembly apart hope worked inside see-through plastic bag little wrist-pin retaining clips didnt fly away put retainer clips back piston should cut off bent part orient remainder pointing up toward top piston Another technique break-in run engine couple times tear down buff high spots piston Dremel tool cloth polishing tool using rouge mixture lot work take chance losing seal someplace Engines seal right after closing exhaust seem make supe nor Slow Combat engines nice-starting Fast Combat engines reason lot very fast engines have loose fits distort get hot also NOW THERFS QUICK AND EASY WAY CLEANING YOUR MODEL CGAFTS Super K Mane Crooner Son over fuei heraue dirt contact CUTS CLEANING TiME IN NAIl iSt Spray roocrel solvent w ye raft cloth POPOt tOwel SMPUEAS Il-tAT notes croft showcase coon1 Wosftt harm Paints t1fl Dries Clere 1d Himinotes tI Cleaning model Strong Professional Osroity totmuid Grant tar Model Craft hoots Hones Ho copters Cenys CeriSy hrorects drr core mode DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry I-rOve rtr s product n t fOr Christmas guaranteed ao tOp tel Suog retail $550 per gallon Contact us tar price structures ordering intormallon Also ask about other SuperiC products Ia Model Industry Are Mornrtoclurers & Motor Brands Dlntrlbutots ot Model Engines Kits Radios & Accessories Super K irr orand Kings RadIo Control Nobbles Intemafionol 3960 West lAlti Ave Nialeoh FlorIda 33012 Pltone 305 5572024 October Power Soar New Heights Lei~ LT-50 Electric Motor 01 Cu equivalent gas engine displacement Send self-addressed stamped envelope catalog ap plication notes Leisure 11 Deerspring/lrvine/cA 92714 S 1983 157 NYLON BOLTS Have Nylon Bolt Customers Needs & 1/3 Scale Airplanes WING COWL STAB BOLTS 5/16 1/4 10/32 6/32 4/40 Available 24 Assortment Package NEW Kitty Hawk Models Hobby-Craft Magnifier & Accessory 9 SIZES IITTT KIWI MOuLD KR 2 PeoN md 47414 met ci Call 6121723-3601 ci 723-3486 internal stresses Precision fitting machining doesnt guarantee engine stay ing alignment producing its maximum power Myles Lawrence seen using Henry Nelson crank Fox 36 case bored new bearings installed its do-it-yourself category engine very fast Whether cranks will available Ill probably know next column Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Aerobatics/Paul Continued page 61 thing surface correctly scuffed cleaned Id suggest dope plus tissue paper dope plus tack filler clear coat dope light coat Imron colors covers unbelievably well heavy coat lmron white covers about same three coats white dope about heavy two Sweeper 900 done tmron white added 3 oz 900-sq-in airframe Remember 1 trim finished painted non-trim areas white Windy tells about other paints Other two-part paints Ive experimented tnmont Ditzler Inmont 2-K clear coating made go over lacquer finishes four-part clear one-part hardener mixtack time two hours other wise identical lmron Ditzler clearcoat eight-parts clear one-part hardener mix Bob Baron used successfully 1980 ship However two paints seem slightly less bulletproof Imron dry quickly slightly less toxic Use charcoal respirator still must spraying multi part paints other paints go over thing just like lrnron does hut seem lose shine faster Imron think ever small weight-saving over Imron pick up less dust due fast tack-time ususlly two hours between coats other thing about tmron seems work well structures flex like I-beam wings stabs etc following information should help ful choice accident repairs wish use different types paints same plane I Imron will go over anything provided surface roughed up some dope nitrate butysate will nor go over Imron 2 Sig dope Ia butyrate type will go over nitrate dope like Aero Gloss can used over under acrylic lacquers can use type lacquer thinner Sig dope 3 Aero Gloss dope nitrate type will cover butyrate Sig dope can used bare wood problems cannot used over two-part paint like Hobbypoxy can use regular lacquer thinner Aero Gloss 4 Hobbypoxy will usually go over thing need use flobbypoxy thin ner can use butyrate dope over Hob bypoxy applied dry thick mixture excessive thinner 5 Acrylic lacquers same family products Sig Randolph dope can used over under mixed dope use same thinners treat like hutyrate dope youll satisfied results 6 Both Ditzler DuPont make full line acrylic lacquer products tend dry out become brittle age would recommend I-beam wings/tails silkspan-covered surfaces Nitrate butyrate dopes come both high-shrink tautening low-shrink non tautening know itLitecoat mulations nitrate basically product use over hare wood attach covering airframes Remember nitrate-type dopes will adhere best bare wood fillets such Epoxolite thanks again Windy Urtnowski comments painting Well continue subject after Nationals issue information Stunt orPAMPA conPEANUT SCALE MODEU KISS $505 / ZEROMILES M-1O PIETENPOL DRUINE PIPER CUB COUGAR ANDRESONGIPSY MOTH MUSTANGLACEY M-10 GANAGOBIE Rubber PoweredSPORT MODELE BABY ACE$640 ONE NITE 20$695 ONE NITE tO$595 PRAtRIE BtRDSTRINGLESS$495 KIT $505PECK ROG$105 BLIMPS CONTROLLED ond 3 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS ORANGE snd YELLOW LOW PRICES WNEW/C#VAIOG No 25 5O Dnge4D*Aujeuaje PHONE 0191 4424030 10101 4000075 W BOX 2498 -MALA MESA CA 92041 Hawker Hurricane 1/6 scale Send $200 Catalog Ikon NWST Dept MA PO Box 566 Auburn WA 98002 206 941-8248 ALL NEW CUSTOM SCNNEURLE COX 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom p arts Cox TD 020049051 & 09 engines Competition parts & accessories Combat Free FIt C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna HWs CA 92653 Telephone 714 830-5162 158 Model Aviation Paul Clement0 1731 NW 45 Street Ft udordale Ft 333119 13051 491-6115 ENGINEERING THE LANDING GEAR PE01E Tired kit inodlog gears dent fit yoer biggie property o & 0 Engiaconog coo solve problems * Custom huh needs & specs goarooteed fit * Stroog & durable withatnod toogbest toodiog * 11 & Engineering geor olil work & keep biggie tiylog * to stock ropiacemeot gear popular models Byrne Pttts Christen Engie CAP 21 Balsa USA 1-3 CUB Air Tech Pawnee nod Eaglo tiosee Big Slick Chomp Citabria ft & ft models Snapper tioqer ood Snapper Too
Edition: Model Aviation - 1983/10
Page Numbers: 60, 156, 157, 158
Control Line COMBAT Charlie Johnson SPENT some time around Memorial Day weekend visiting some old friends Eugene OR also attending North west Regionals also re-indoctrinated Rich Porter Two years ago nicknamed Rich Northwest Terror believe everyone knows him would agree Hes guy youve probably read about flys Aerobatics 500-sq-in TD-powered model 60-powered plane bigger car Rich also thought few new ways fly Combat way really gets regular Com bat guys excited lets make some thing happen mode object make head-on passes opponent thought might amusing someone else opponentbut course Combat fliers have traditional ways fly ing Combat such following oppo nent British thought very un sportsmanlike fly place other downwind third circle years ago diesel popular no enough power fly dead wind suppose would consider making head-on passes fairly unsportsmanlike too since would encourage carnagebut Ive heard lot fliers say expect lose model per match anyway Theres new twist piloting skills its maneuvering model ob ject use much pilots circle can Run side other around edge back forth few times Real hard line up model isnt Unless youre track star thing plant yourself center hope other guy runs occa sionally credit latest wrinkle goes Chinese rather Rich since hed rather talk run argument Rich sometimes argues both sides running around pilots circle making headon passes might legal doesnt make much fun fly Combat local sportscasters always says about football baseball etc its just game Com bat flying isnt sport its hobbybut look seriously take Rich would have solved worlds problems Howard Rush ap peared giant roll carbon fibre thoughts returned building re pairing models stayed Gene Pape Mr Dogfighter Continued page 156 nese iow t.omual iiwr5 L 1st through 4th-place winners Houston TX April L tO i om Fluker Richard Stubblefield George Cleveland Mitchell Cleveland Photo Frank Williams three gents R big smiles top 3 placers FAI Combat Eugene OR meet Memorial Day L R John Salvin3rd Howard Rushist Phil Granderson2nd used foam-winged models Rush Granderson used Nelson 15s couple matches 60 Model Aviation Ken Burdick L Bill Varner mix up Slow Combat Regionals Eugene OR Note theyre using safety thongs handlesa requirement since site next airport 4/ What meaning ComDaTr jann Thompson must asking himself question walks off field after winning double elim Fast Combat Regionals good part Johns summer fleet lost day Last details Attach bellcrank -in #2 Sheet metal screw Sew elevator using Dacron flying line figure-eight stith Dab small amount gap-filling CyA knots needle holes using toothpick apply glue Dont use thin CyA will wick throughout hinges lock Position control horn pushrod holes above hinge line pushrod will parallel fuselage Mark bore holes elevator control horn 1-larden holes wijh thin CyA glue deburr holes CyA glue used way prevents crushing elevator [he control horn attached Attach control horn will need about 9-in piece 047 piano wire ihe pushrod Bend Z-shape end attach bellcrank cut 8 froiri bend Solder spring thread end provide neutral adjust ment An adult experienced modeler should help soldering Install along mini snaplink attaching control horn prefer may use Z-bends both ends along adjust ment kink Dont install pushrod guide until after few test flights 047 wire stiff enough flight loads will want support once plane trimmed out protect pushrod getting bent handling Make up lead-outs using good parts some ruined 015 0 18 strand ed steel flying lines Cotitbat contest should yield some Form loops wrap #28 soft copper wire shown plans See also AMA rule book page No 17 Alternately may use hard-finished 20-lb-test kite string tie lead-outs Watch closely fraying replace often Steel lead-outs preferred Glue penny position outboard wing gap-filling CyA Attach engine using Va-in No 2 sheet metal screws Cut small cigar tube about 4 long bladder holder attach above outboard wing against fu selage thin servo-mounting tape Seal penny wing weight hinge needle holes exit holes en gine bellcrank screws poly urethane Hang up dry Flying Check CG first between nd leading edge fine slightly nose-heavy OK first few flights tail-heavy balance point must corrected before fly ing pushrod should adjusted equal elevator travel both ways Use top hole control horn first few flights Use 5 x 3 nylon prop fly plane 008 x 35-ft steel stranded lines Feel airplane out slowlyfirst level flight big loops big eights inverted flight move CO small steps testing change before going may become bit soft lines some rearward CG positions shim inside screws engine mount small No 2 wash ers give out-thrust original has flown 30-ft Da cron lines well 30 35 38 42-ft 008 stranded steel lines abso lutely calm fun fly 42-ft lines otherwise 35 38-ft seems about right Right now original model rigged use top hole control horn CO trim trainer zips right through big loop very smooth steady Tighter turns pos sible CG shifted back /x will nice later Using pressure bladder big mystery can difficult start out impossible combination combination thai worked just fine fol lowing Very well-worn twin-port Cox 290 new engines until have run lot much trouble 2 Bladder made I/ioin ID A2-in-wall surgical tubing can obtained Kistorn Kraft manship Sig 3 5/ x 3 Top Flite nylon prop too much prop no needle setting will work 4 Cox Super Power Fuel other fuels will no doubt work fine does sure 5 Add spring needle valve unless change nylon seal daily needle drift may problem will need small 10cc syringe fill bladder clamp pinch off fuel line experienced running engines bladder pressure get experi enced help Have fun version Annes Plane CL CombaVJohflsOfl Continued page 60 told findings new Fox Mark IV Gene machinist de cided take couple engines work see what right ng major problem flanges sleeves square Drop sleeve crankcase would seat way around No amount lapping would thing about either suppose problem varies engine engine reason lot engines bind once screws tightened headelamp also prob lem some engines encourages leak rather seal Gene reported crank timing also off user-fixable have Dremel tool degree wheel above maladies probably wouldnt keep Mark IV running fairly well would never screamer Ive seen dead-stock verywell-fitted engines go fast hop-upsand often times faster b maneuverability move cause hop-up really de-tune pushrod down hole control horn people hop-up engines also have brave enough move CO back precision-fitted theyre ones far 7/ inno farther that go fast 156 Model Aviation FOX GLOW PLUGS FOR THOSE WHO WANT THE BEST UURT $119 WHO $119 RC SHORT Si NC LONG $19 Rhodium twice expensive platinum s better glow plugs space age insulator costs glass crack use Job shops couldnt hold tolerances wanted metal parts ourselves though less 1 plug 500 fails glow st FOX PLUGS THOSE WHO WANT THE BEST F OXMFG CO 5306 TOWSON AVE FORT SMITH ARK 12901 Hot tieu 501 646-1656 Hobby Horn Wing Span--iSO Wing Area--ISO SqAK6l4/ SENSOAR glider HOBBY HORN EscIusieI HOBBY HORN Kit Th SENSOAR did kit isa high qsality kit Machine cot ed parts Select quality balsa spruce Detailed plans et-itten instructions Fo THERMAL sr SLOPE o 95 ELECTRIC POWER VALUE PRICEOUt 51900 __________ Full ajiSPirtial Kits full strOpwosd plan Now mel Wire Window etc Mat. Notes may purchased lust Os semi kits plans-write call prices 1906 Buobaneer64-95l 1938 Clipper MIt I-72--S39 1937 Dallalre Sptaer106S61 1940 Ranger-40- 527 1939 Mrvury72S16 1931 MIss Amerloa84--9I9 1941 Playboy Jr14S2S 1941 Playboy Sr-90946 1938 Pomee HoueeS4--S43 1941 Sailplane-78-- $74 1940 So Long-SO--$21 1938 Trenton Terror-72-532 1939 Z1pper14-S48 1939 Korda Wakefleld44- $17 MIDWAY MODEL CO Semi-Ella Comltned sIstrtp 1938 PlyIng Quaker-84-$49 1937 quaker Plash-6T930 1937 Long Cabtn78942 1937 Air chtef61-949 UTNUCKS 1940 79 Span 035 Sq new ruler SEMI-KIT tPlan lncll--S3300 Combo Pull Kit------- $6309 QALU PLANU DRAWINGS StO HEINKEL HE-bOO 62 abs $1009 5141 PINGAND HANDLtNGage Up $880 add $110 $209 PPIlst class $881 $2000 add $221 copy will sent $2001 $4100 add $200 free--when requested-$4101 $7000 add $150 order over $7000 sdd $400 HOBBY HORN CA Addressees add 6% tax 0hobby specialties5 Send MO visa/MCt#-Exp 19173 MoranStreet [A] Check tallow up 30 PO Boa 2212 days check cleerance Westminster Ca 92663 J COOExact Charges 719 893-8311 Hdl Cash OnlytAU UPS 719 8951203 Ive good luck over years using jewelers rouge break-in engines can purchase rouge hardware stores couple bucks Ive stick stuff 15 years have hardly used quarter Scrape off bit end mix 3 oil lap piston liner together engine dis assembled compound very abra sive would take long time lap too much Fox makes abrasive com pound called Garnet should used caution insert head can lapped cylinder using either com pound stick plug insert use electric drill speed up process hop-up articles tell about grind out inside crank can Ignore until youve won few contests can get Texas starts time instant starts come wellfitted engine mighty arm sure wash out engine safe solvent will easy spot bad bearing engine dry since lot oil would mask problem Fortunately bearings Fox standard size available either Fox bearing supply house Basi cally Id engine would classed under clean inspect other lapping jewelers rouge best thing Ive found aid break-in Take cotton swab put little mixture exhaust port Flip engine over few times distribute mixture run engine Hat NORTHERN CALIFORNIAS LARGEST1 IDISCOUNT HOBBY SHOPI I well FUEL New high film strength lubricantU increased power engine lifeI Highest aualily ingredients Detaction cut varnish II 3 I IL II II II IU II U5EYOURI HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I L m Saturday 930-600Sunday 1200-500m muM short burst Uust prime OK Put rouge mixture exhaust run few minutes time going messy Keep test stand away everrthing Youll notice shiny area top piston inside cylinder As piston passes exhaust port youll also notice seals right rather going farther up cylin der engine needs have lots lots running time before ready Combat engine run fast overlean will grow its proper fit run engine blubbering rich seems loosen rod wrist-pin-to piston fit took rod/piston sembly apart hope worked inside see-through plastic bag little wrist-pin retaining clips didnt fly away put retainer clips back piston should cut off bent part orient remainder pointing up toward top piston Another technique break-in run engine couple times tear down buff high spots piston Dremel tool cloth polishing tool using rouge mixture lot work take chance losing seal someplace Engines seal right after closing exhaust seem make supe nor Slow Combat engines nice-starting Fast Combat engines reason lot very fast engines have loose fits distort get hot also NOW THERFS QUICK AND EASY WAY CLEANING YOUR MODEL CGAFTS Super K Mane Crooner Son over fuei heraue dirt contact CUTS CLEANING TiME IN NAIl iSt Spray roocrel solvent w ye raft cloth POPOt tOwel SMPUEAS Il-tAT notes croft showcase coon1 Wosftt harm Paints t1fl Dries Clere 1d Himinotes tI Cleaning model Strong Professional Osroity totmuid Grant tar Model Craft hoots Hones Ho copters Cenys CeriSy hrorects drr core mode DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry I-rOve rtr s product n t fOr Christmas guaranteed ao tOp tel Suog retail $550 per gallon Contact us tar price structures ordering intormallon Also ask about other SuperiC products Ia Model Industry Are Mornrtoclurers & Motor Brands Dlntrlbutots ot Model Engines Kits Radios & Accessories Super K irr orand Kings RadIo Control Nobbles Intemafionol 3960 West lAlti Ave Nialeoh FlorIda 33012 Pltone 305 5572024 October Power Soar New Heights Lei~ LT-50 Electric Motor 01 Cu equivalent gas engine displacement Send self-addressed stamped envelope catalog ap plication notes Leisure 11 Deerspring/lrvine/cA 92714 S 1983 157 NYLON BOLTS Have Nylon Bolt Customers Needs & 1/3 Scale Airplanes WING COWL STAB BOLTS 5/16 1/4 10/32 6/32 4/40 Available 24 Assortment Package NEW Kitty Hawk Models Hobby-Craft Magnifier & Accessory 9 SIZES IITTT KIWI MOuLD KR 2 PeoN md 47414 met ci Call 6121723-3601 ci 723-3486 internal stresses Precision fitting machining doesnt guarantee engine stay ing alignment producing its maximum power Myles Lawrence seen using Henry Nelson crank Fox 36 case bored new bearings installed its do-it-yourself category engine very fast Whether cranks will available Ill probably know next column Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Aerobatics/Paul Continued page 61 thing surface correctly scuffed cleaned Id suggest dope plus tissue paper dope plus tack filler clear coat dope light coat Imron colors covers unbelievably well heavy coat lmron white covers about same three coats white dope about heavy two Sweeper 900 done tmron white added 3 oz 900-sq-in airframe Remember 1 trim finished painted non-trim areas white Windy tells about other paints Other two-part paints Ive experimented tnmont Ditzler Inmont 2-K clear coating made go over lacquer finishes four-part clear one-part hardener mixtack time two hours other wise identical lmron Ditzler clearcoat eight-parts clear one-part hardener mix Bob Baron used successfully 1980 ship However two paints seem slightly less bulletproof Imron dry quickly slightly less toxic Use charcoal respirator still must spraying multi part paints other paints go over thing just like lrnron does hut seem lose shine faster Imron think ever small weight-saving over Imron pick up less dust due fast tack-time ususlly two hours between coats other thing about tmron seems work well structures flex like I-beam wings stabs etc following information should help ful choice accident repairs wish use different types paints same plane I Imron will go over anything provided surface roughed up some dope nitrate butysate will nor go over Imron 2 Sig dope Ia butyrate type will go over nitrate dope like Aero Gloss can used over under acrylic lacquers can use type lacquer thinner Sig dope 3 Aero Gloss dope nitrate type will cover butyrate Sig dope can used bare wood problems cannot used over two-part paint like Hobbypoxy can use regular lacquer thinner Aero Gloss 4 Hobbypoxy will usually go over thing need use flobbypoxy thin ner can use butyrate dope over Hob bypoxy applied dry thick mixture excessive thinner 5 Acrylic lacquers same family products Sig Randolph dope can used over under mixed dope use same thinners treat like hutyrate dope youll satisfied results 6 Both Ditzler DuPont make full line acrylic lacquer products tend dry out become brittle age would recommend I-beam wings/tails silkspan-covered surfaces Nitrate butyrate dopes come both high-shrink tautening low-shrink non tautening know itLitecoat mulations nitrate basically product use over hare wood attach covering airframes Remember nitrate-type dopes will adhere best bare wood fillets such Epoxolite thanks again Windy Urtnowski comments painting Well continue subject after Nationals issue information Stunt orPAMPA conPEANUT SCALE MODEU KISS $505 / ZEROMILES M-1O PIETENPOL DRUINE PIPER CUB COUGAR ANDRESONGIPSY MOTH MUSTANGLACEY M-10 GANAGOBIE Rubber PoweredSPORT MODELE BABY ACE$640 ONE NITE 20$695 ONE NITE tO$595 PRAtRIE BtRDSTRINGLESS$495 KIT $505PECK ROG$105 BLIMPS CONTROLLED ond 3 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS ORANGE snd YELLOW LOW PRICES WNEW/C#VAIOG No 25 5O Dnge4D*Aujeuaje PHONE 0191 4424030 10101 4000075 W BOX 2498 -MALA MESA CA 92041 Hawker Hurricane 1/6 scale Send $200 Catalog Ikon NWST Dept MA PO Box 566 Auburn WA 98002 206 941-8248 ALL NEW CUSTOM SCNNEURLE COX 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom p arts Cox TD 020049051 & 09 engines Competition parts & accessories Combat Free FIt C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna HWs CA 92653 Telephone 714 830-5162 158 Model Aviation Paul Clement0 1731 NW 45 Street Ft udordale Ft 333119 13051 491-6115 ENGINEERING THE LANDING GEAR PE01E Tired kit inodlog gears dent fit yoer biggie property o & 0 Engiaconog coo solve problems * Custom huh needs & specs goarooteed fit * Stroog & durable withatnod toogbest toodiog * 11 & Engineering geor olil work & keep biggie tiylog * to stock ropiacemeot gear popular models Byrne Pttts Christen Engie CAP 21 Balsa USA 1-3 CUB Air Tech Pawnee nod Eaglo tiosee Big Slick Chomp Citabria ft & ft models Snapper tioqer ood Snapper Too
Edition: Model Aviation - 1983/10
Page Numbers: 60, 156, 157, 158
Control Line COMBAT Charlie Johnson SPENT some time around Memorial Day weekend visiting some old friends Eugene OR also attending North west Regionals also re-indoctrinated Rich Porter Two years ago nicknamed Rich Northwest Terror believe everyone knows him would agree Hes guy youve probably read about flys Aerobatics 500-sq-in TD-powered model 60-powered plane bigger car Rich also thought few new ways fly Combat way really gets regular Com bat guys excited lets make some thing happen mode object make head-on passes opponent thought might amusing someone else opponentbut course Combat fliers have traditional ways fly ing Combat such following oppo nent British thought very un sportsmanlike fly place other downwind third circle years ago diesel popular no enough power fly dead wind suppose would consider making head-on passes fairly unsportsmanlike too since would encourage carnagebut Ive heard lot fliers say expect lose model per match anyway Theres new twist piloting skills its maneuvering model ob ject use much pilots circle can Run side other around edge back forth few times Real hard line up model isnt Unless youre track star thing plant yourself center hope other guy runs occa sionally credit latest wrinkle goes Chinese rather Rich since hed rather talk run argument Rich sometimes argues both sides running around pilots circle making headon passes might legal doesnt make much fun fly Combat local sportscasters always says about football baseball etc its just game Com bat flying isnt sport its hobbybut look seriously take Rich would have solved worlds problems Howard Rush ap peared giant roll carbon fibre thoughts returned building re pairing models stayed Gene Pape Mr Dogfighter Continued page 156 nese iow t.omual iiwr5 L 1st through 4th-place winners Houston TX April L tO i om Fluker Richard Stubblefield George Cleveland Mitchell Cleveland Photo Frank Williams three gents R big smiles top 3 placers FAI Combat Eugene OR meet Memorial Day L R John Salvin3rd Howard Rushist Phil Granderson2nd used foam-winged models Rush Granderson used Nelson 15s couple matches 60 Model Aviation Ken Burdick L Bill Varner mix up Slow Combat Regionals Eugene OR Note theyre using safety thongs handlesa requirement since site next airport 4/ What meaning ComDaTr jann Thompson must asking himself question walks off field after winning double elim Fast Combat Regionals good part Johns summer fleet lost day Last details Attach bellcrank -in #2 Sheet metal screw Sew elevator using Dacron flying line figure-eight stith Dab small amount gap-filling CyA knots needle holes using toothpick apply glue Dont use thin CyA will wick throughout hinges lock Position control horn pushrod holes above hinge line pushrod will parallel fuselage Mark bore holes elevator control horn 1-larden holes wijh thin CyA glue deburr holes CyA glue used way prevents crushing elevator [he control horn attached Attach control horn will need about 9-in piece 047 piano wire ihe pushrod Bend Z-shape end attach bellcrank cut 8 froiri bend Solder spring thread end provide neutral adjust ment An adult experienced modeler should help soldering Install along mini snaplink attaching control horn prefer may use Z-bends both ends along adjust ment kink Dont install pushrod guide until after few test flights 047 wire stiff enough flight loads will want support once plane trimmed out protect pushrod getting bent handling Make up lead-outs using good parts some ruined 015 0 18 strand ed steel flying lines Cotitbat contest should yield some Form loops wrap #28 soft copper wire shown plans See also AMA rule book page No 17 Alternately may use hard-finished 20-lb-test kite string tie lead-outs Watch closely fraying replace often Steel lead-outs preferred Glue penny position outboard wing gap-filling CyA Attach engine using Va-in No 2 sheet metal screws Cut small cigar tube about 4 long bladder holder attach above outboard wing against fu selage thin servo-mounting tape Seal penny wing weight hinge needle holes exit holes en gine bellcrank screws poly urethane Hang up dry Flying Check CG first between nd leading edge fine slightly nose-heavy OK first few flights tail-heavy balance point must corrected before fly ing pushrod should adjusted equal elevator travel both ways Use top hole control horn first few flights Use 5 x 3 nylon prop fly plane 008 x 35-ft steel stranded lines Feel airplane out slowlyfirst level flight big loops big eights inverted flight move CO small steps testing change before going may become bit soft lines some rearward CG positions shim inside screws engine mount small No 2 wash ers give out-thrust original has flown 30-ft Da cron lines well 30 35 38 42-ft 008 stranded steel lines abso lutely calm fun fly 42-ft lines otherwise 35 38-ft seems about right Right now original model rigged use top hole control horn CO trim trainer zips right through big loop very smooth steady Tighter turns pos sible CG shifted back /x will nice later Using pressure bladder big mystery can difficult start out impossible combination combination thai worked just fine fol lowing Very well-worn twin-port Cox 290 new engines until have run lot much trouble 2 Bladder made I/ioin ID A2-in-wall surgical tubing can obtained Kistorn Kraft manship Sig 3 5/ x 3 Top Flite nylon prop too much prop no needle setting will work 4 Cox Super Power Fuel other fuels will no doubt work fine does sure 5 Add spring needle valve unless change nylon seal daily needle drift may problem will need small 10cc syringe fill bladder clamp pinch off fuel line experienced running engines bladder pressure get experi enced help Have fun version Annes Plane CL CombaVJohflsOfl Continued page 60 told findings new Fox Mark IV Gene machinist de cided take couple engines work see what right ng major problem flanges sleeves square Drop sleeve crankcase would seat way around No amount lapping would thing about either suppose problem varies engine engine reason lot engines bind once screws tightened headelamp also prob lem some engines encourages leak rather seal Gene reported crank timing also off user-fixable have Dremel tool degree wheel above maladies probably wouldnt keep Mark IV running fairly well would never screamer Ive seen dead-stock verywell-fitted engines go fast hop-upsand often times faster b maneuverability move cause hop-up really de-tune pushrod down hole control horn people hop-up engines also have brave enough move CO back precision-fitted theyre ones far 7/ inno farther that go fast 156 Model Aviation FOX GLOW PLUGS FOR THOSE WHO WANT THE BEST UURT $119 WHO $119 RC SHORT Si NC LONG $19 Rhodium twice expensive platinum s better glow plugs space age insulator costs glass crack use Job shops couldnt hold tolerances wanted metal parts ourselves though less 1 plug 500 fails glow st FOX PLUGS THOSE WHO WANT THE BEST F OXMFG CO 5306 TOWSON AVE FORT SMITH ARK 12901 Hot tieu 501 646-1656 Hobby Horn Wing Span--iSO Wing Area--ISO SqAK6l4/ SENSOAR glider HOBBY HORN EscIusieI HOBBY HORN Kit Th SENSOAR did kit isa high qsality kit Machine cot ed parts Select quality balsa spruce Detailed plans et-itten instructions Fo THERMAL sr SLOPE o 95 ELECTRIC POWER VALUE PRICEOUt 51900 __________ Full ajiSPirtial Kits full strOpwosd plan Now mel Wire Window etc Mat. Notes may purchased lust Os semi kits plans-write call prices 1906 Buobaneer64-95l 1938 Clipper MIt I-72--S39 1937 Dallalre Sptaer106S61 1940 Ranger-40- 527 1939 Mrvury72S16 1931 MIss Amerloa84--9I9 1941 Playboy Jr14S2S 1941 Playboy Sr-90946 1938 Pomee HoueeS4--S43 1941 Sailplane-78-- $74 1940 So Long-SO--$21 1938 Trenton Terror-72-532 1939 Z1pper14-S48 1939 Korda Wakefleld44- $17 MIDWAY MODEL CO Semi-Ella Comltned sIstrtp 1938 PlyIng Quaker-84-$49 1937 quaker Plash-6T930 1937 Long Cabtn78942 1937 Air chtef61-949 UTNUCKS 1940 79 Span 035 Sq new ruler SEMI-KIT tPlan lncll--S3300 Combo Pull Kit------- $6309 QALU PLANU DRAWINGS StO HEINKEL HE-bOO 62 abs $1009 5141 PINGAND HANDLtNGage Up $880 add $110 $209 PPIlst class $881 $2000 add $221 copy will sent $2001 $4100 add $200 free--when requested-$4101 $7000 add $150 order over $7000 sdd $400 HOBBY HORN CA Addressees add 6% tax 0hobby specialties5 Send MO visa/MCt#-Exp 19173 MoranStreet [A] Check tallow up 30 PO Boa 2212 days check cleerance Westminster Ca 92663 J COOExact Charges 719 893-8311 Hdl Cash OnlytAU UPS 719 8951203 Ive good luck over years using jewelers rouge break-in engines can purchase rouge hardware stores couple bucks Ive stick stuff 15 years have hardly used quarter Scrape off bit end mix 3 oil lap piston liner together engine dis assembled compound very abra sive would take long time lap too much Fox makes abrasive com pound called Garnet should used caution insert head can lapped cylinder using either com pound stick plug insert use electric drill speed up process hop-up articles tell about grind out inside crank can Ignore until youve won few contests can get Texas starts time instant starts come wellfitted engine mighty arm sure wash out engine safe solvent will easy spot bad bearing engine dry since lot oil would mask problem Fortunately bearings Fox standard size available either Fox bearing supply house Basi cally Id engine would classed under clean inspect other lapping jewelers rouge best thing Ive found aid break-in Take cotton swab put little mixture exhaust port Flip engine over few times distribute mixture run engine Hat NORTHERN CALIFORNIAS LARGEST1 IDISCOUNT HOBBY SHOPI I well FUEL New high film strength lubricantU increased power engine lifeI Highest aualily ingredients Detaction cut varnish II 3 I IL II II II IU II U5EYOURI HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I L m Saturday 930-600Sunday 1200-500m muM short burst Uust prime OK Put rouge mixture exhaust run few minutes time going messy Keep test stand away everrthing Youll notice shiny area top piston inside cylinder As piston passes exhaust port youll also notice seals right rather going farther up cylin der engine needs have lots lots running time before ready Combat engine run fast overlean will grow its proper fit run engine blubbering rich seems loosen rod wrist-pin-to piston fit took rod/piston sembly apart hope worked inside see-through plastic bag little wrist-pin retaining clips didnt fly away put retainer clips back piston should cut off bent part orient remainder pointing up toward top piston Another technique break-in run engine couple times tear down buff high spots piston Dremel tool cloth polishing tool using rouge mixture lot work take chance losing seal someplace Engines seal right after closing exhaust seem make supe nor Slow Combat engines nice-starting Fast Combat engines reason lot very fast engines have loose fits distort get hot also NOW THERFS QUICK AND EASY WAY CLEANING YOUR MODEL CGAFTS Super K Mane Crooner Son over fuei heraue dirt contact CUTS CLEANING TiME IN NAIl iSt Spray roocrel solvent w ye raft cloth POPOt tOwel SMPUEAS Il-tAT notes croft showcase coon1 Wosftt harm Paints t1fl Dries Clere 1d Himinotes tI Cleaning model Strong Professional Osroity totmuid Grant tar Model Craft hoots Hones Ho copters Cenys CeriSy hrorects drr core mode DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry I-rOve rtr s product n t fOr Christmas guaranteed ao tOp tel Suog retail $550 per gallon Contact us tar price structures ordering intormallon Also ask about other SuperiC products Ia Model Industry Are Mornrtoclurers & Motor Brands Dlntrlbutots ot Model Engines Kits Radios & Accessories Super K irr orand Kings RadIo Control Nobbles Intemafionol 3960 West lAlti Ave Nialeoh FlorIda 33012 Pltone 305 5572024 October Power Soar New Heights Lei~ LT-50 Electric Motor 01 Cu equivalent gas engine displacement Send self-addressed stamped envelope catalog ap plication notes Leisure 11 Deerspring/lrvine/cA 92714 S 1983 157 NYLON BOLTS Have Nylon Bolt Customers Needs & 1/3 Scale Airplanes WING COWL STAB BOLTS 5/16 1/4 10/32 6/32 4/40 Available 24 Assortment Package NEW Kitty Hawk Models Hobby-Craft Magnifier & Accessory 9 SIZES IITTT KIWI MOuLD KR 2 PeoN md 47414 met ci Call 6121723-3601 ci 723-3486 internal stresses Precision fitting machining doesnt guarantee engine stay ing alignment producing its maximum power Myles Lawrence seen using Henry Nelson crank Fox 36 case bored new bearings installed its do-it-yourself category engine very fast Whether cranks will available Ill probably know next column Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Aerobatics/Paul Continued page 61 thing surface correctly scuffed cleaned Id suggest dope plus tissue paper dope plus tack filler clear coat dope light coat Imron colors covers unbelievably well heavy coat lmron white covers about same three coats white dope about heavy two Sweeper 900 done tmron white added 3 oz 900-sq-in airframe Remember 1 trim finished painted non-trim areas white Windy tells about other paints Other two-part paints Ive experimented tnmont Ditzler Inmont 2-K clear coating made go over lacquer finishes four-part clear one-part hardener mixtack time two hours other wise identical lmron Ditzler clearcoat eight-parts clear one-part hardener mix Bob Baron used successfully 1980 ship However two paints seem slightly less bulletproof Imron dry quickly slightly less toxic Use charcoal respirator still must spraying multi part paints other paints go over thing just like lrnron does hut seem lose shine faster Imron think ever small weight-saving over Imron pick up less dust due fast tack-time ususlly two hours between coats other thing about tmron seems work well structures flex like I-beam wings stabs etc following information should help ful choice accident repairs wish use different types paints same plane I Imron will go over anything provided surface roughed up some dope nitrate butysate will nor go over Imron 2 Sig dope Ia butyrate type will go over nitrate dope like Aero Gloss can used over under acrylic lacquers can use type lacquer thinner Sig dope 3 Aero Gloss dope nitrate type will cover butyrate Sig dope can used bare wood problems cannot used over two-part paint like Hobbypoxy can use regular lacquer thinner Aero Gloss 4 Hobbypoxy will usually go over thing need use flobbypoxy thin ner can use butyrate dope over Hob bypoxy applied dry thick mixture excessive thinner 5 Acrylic lacquers same family products Sig Randolph dope can used over under mixed dope use same thinners treat like hutyrate dope youll satisfied results 6 Both Ditzler DuPont make full line acrylic lacquer products tend dry out become brittle age would recommend I-beam wings/tails silkspan-covered surfaces Nitrate butyrate dopes come both high-shrink tautening low-shrink non tautening know itLitecoat mulations nitrate basically product use over hare wood attach covering airframes Remember nitrate-type dopes will adhere best bare wood fillets such Epoxolite thanks again Windy Urtnowski comments painting Well continue subject after Nationals issue information Stunt orPAMPA conPEANUT SCALE MODEU KISS $505 / ZEROMILES M-1O PIETENPOL DRUINE PIPER CUB COUGAR ANDRESONGIPSY MOTH MUSTANGLACEY M-10 GANAGOBIE Rubber PoweredSPORT MODELE BABY ACE$640 ONE NITE 20$695 ONE NITE tO$595 PRAtRIE BtRDSTRINGLESS$495 KIT $505PECK ROG$105 BLIMPS CONTROLLED ond 3 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS ORANGE snd YELLOW LOW PRICES WNEW/C#VAIOG No 25 5O Dnge4D*Aujeuaje PHONE 0191 4424030 10101 4000075 W BOX 2498 -MALA MESA CA 92041 Hawker Hurricane 1/6 scale Send $200 Catalog Ikon NWST Dept MA PO Box 566 Auburn WA 98002 206 941-8248 ALL NEW CUSTOM SCNNEURLE COX 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom p arts Cox TD 020049051 & 09 engines Competition parts & accessories Combat Free FIt C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna HWs CA 92653 Telephone 714 830-5162 158 Model Aviation Paul Clement0 1731 NW 45 Street Ft udordale Ft 333119 13051 491-6115 ENGINEERING THE LANDING GEAR PE01E Tired kit inodlog gears dent fit yoer biggie property o & 0 Engiaconog coo solve problems * Custom huh needs & specs goarooteed fit * Stroog & durable withatnod toogbest toodiog * 11 & Engineering geor olil work & keep biggie tiylog * to stock ropiacemeot gear popular models Byrne Pttts Christen Engie CAP 21 Balsa USA 1-3 CUB Air Tech Pawnee nod Eaglo tiosee Big Slick Chomp Citabria ft & ft models Snapper tioqer ood Snapper Too