MANY aware did exactly welcome Turnaround Pattern reasons complex resistance mainly reaction what appeared attempt few indi viduals cram something down throats whether wanted like Eat vegetables theyre good ap parent attitude Turnaround promoters re sented us caused hard feelings years regarding event Years have softened edges feelings about Turnaround can think talk about Turnaround now getting riled up attend compete all-Turnaround contest once year Jackson MS doesnt mean Ill ever fly new Expert Turn around event passed current rules cy cle What does mean can see bene fits flying Turnaround objectively now Im first note flying Turnaround makes Pattern flier better flier Its true same reasons flying AMA Pattern makes sport flier better flier both tougher sport flying Turnaround tougher AMA Pattern flying discipline practice required fly Turnaround causes flier improve AMA Pattern numerous examples pilots im proved dramatically started flying Turnaround personal example Nat Penton de Quincy LA used trade beating other Expert contests Lafayette LA Baton Rouge LA Jackson MS Pensacola FL Nat started flying Expert Turn around Very quickly couldnt beat Nat continued improve got better faster Another benefit flying Turnaround nobody saw comingor perhaps should say heard coming combined pressure meet noise restrictions fly slower stay box made fliers experiment airplanes props engines muffling devices ways never imagined now have airplane combina tions perform better ever beforeand quiet standing flight line clubs contest Emerald Coast Pattern Championships April 8-9 Eglin AFB FL Paul Verger NSRCA District 3 VP watching Sam Leonard fly Magnum 3 Paul remarked nobody would have dreamed five six years ago what wed flying todayand pleasant would hear someone took off piped Rossi Arrow slinging 105 x 75 prop blasted us off runway few years back like 52 Model Aviation Radio Confrol Sport Aerobatics Ron Van Putte III Sleepy Oaks Rd F Walton Beach FL 32548 Sam Leonards Magnum designs M-3 front M-2 rearIt now owned Paul Verger Mike Hayden L-Baton Rouge LA points transmitter box being held Jim Fife purchased local Wai-Mart variety store Jim brought attention author Van Putte Nat Penton crowned prince Voodoo aerodynamics Paui Verger Nats new Express iooks same fiying either upright inverted Note low vertical fin near nose engine didnt turn 16000 rpm ground sanded prop put other man ufacturers magic props engine until did thought speed mandatory power necessary get speed wrong took Turnaround us find Out dont fly Turnaround except once year Im running 11 x 10 prop YS 16/2 glow plug high point OPS pipe Im using Its quietest combination flight line will easily pass proposed 98 dB noise limit So Turn around has benefited AMA Pattern flier Are member National Society Ra dio Controlled Aerobatics NSRCA you already get K-Factor newsletter NSRCA aware good has gotten gobs good Pattern stuff month district vice presidents making great contributions last K-Factor 16 pages 8 x 11 tiny print too way K-Factor design typography print ing Rick Teddy Bergeron Bergeron En terprises 443 Roberta Ave Fullerton CA 92632 Rick Pattern flier too dont know what gets what does KFactor its beautifully professional job February column NSRCA District 8 VP Rick Allison contained tongue-in-cheek sug gestion blew away suggested new organization called Society Preserva tion Antique Missiles SPAM SPAM could promote AMA Nostalgia class 10 years pos Dirty Birdys De ceptions stuff Well raid old engine collec tions side-exhaust Rossi mills nitro pipes 105 x 7 DW props Well go way Out desert wont disturb anyone pump Rhom Airs full wont have prob lem jerking up solid lead Kraft wheels wind old suckers up way used can look way over corner Ill guy selling earplugs out back van think anyone whos Pattern can relate what Rick say few folks out got down right defensive article published Hey wait minute have set wheels airplane Actually Kraft wheels use ones will hold up abuse granite aggregate asphalt runway dishes out competitor last contest said figured Out runway equivalent dou ble ought sandpaper Its often service company will suggest something customers will cause com pany make less money Thats what Radio Souths Tony Stillman did suggested inform readers about potential way RC fliers save money time radio repair Tony said has gotten literally hundreds radios back repair didnt have anything wrong symptom channels didnt work culprit reversing switches midway between direction other Tony suggested hard bump can cause reversing switches start moving opposite direction hang up midway will cause channel stop working So check Out reversing switch positions before return broken radio way Radio South now its new ad dress 9003 North Davis Highway Pensacola FL 32504 Continued page 150 30 Flying DISC V-STOL SUPERIOR Small Field ft FUN FLY Aircraft STABLE PREDICTABLE ft AGILE plus $4 shipping TX Res add 7% sales tax VISA Foam ft Lite Ply Construction ELEVON Mixer Included 25- 40cid 4 3-35 lbs Accurate QUALITY Materials PO Box 16621 Dept M Irvine CA 92714 714 250-1107 B&P Associates Gives Total Flight Line FREEDOM new eleetne starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 lATherr- TY 76702-2054 817662-5587 POOP like tO teko rt eaSV s Up n 60 secondS EZ UP Shelters Pu v 5 O EZ UPTM Shelters construction sturdy steel tuba trip overN parts tlO rope5 luable rniniatu* tall Vare aircraft Red Blue nylOn tOP Cii 10 10 sturdY fade reSISWflt 3B1VISA MA6E~JisOER plus UPSVlsdtnt gentuCkY reel deflt add 5 saES \l CHECK p M John peck Leisure Product Ltd MAC n25 AMA eseaa p~5~#ioOd pload V8ralY3sl72 July 1989 53 Get ROUN TUIT Today Bonded Modal Products ONLYBox 10998 Suite 543 Money Back GUARANTEEAustin TX 78766 Business512 250-1420 CARBON FIBER LAMINATES Aerospace Composite Products offers variety rigid carbon fiber/epoxy sheets add stiffness almost material- fiberglass foam bal sawood laminates can used fo reinforce foam wings leading trailing edges wing spars Carbon Fiber bonds easily slow seffing cyanoacrylates 5-minute epoxies laminate can stripped narrower widths TYPICAL INSTALLATION CL-i 007 thick 1x48-$500 1x72-$700tINAFOAM WING CL-2 014 thick lx48-$80U 1x72-$1100 Send SASE information additionai sizes products Add $300 shipping handling Calif residents add 6% tax Overseas orders add 15%-Order COD send cheek money order IiiDllTesourcefor/igheightmaterials L ANO NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS PRATT WHITNEY WASP 4 WRIGHT WHIRLWIND Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales1/5th 21 1/4th 3 ts include assembly instructions Smaller sizes also offered Note These units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable framing WILLIAMS BROTHERS INC DEPT MA PAWNEE STREET SAN MARCOS CALIFORNIA 92069 NEW FAI TAN RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price *1475 includes 4 oz Slick lube *1375 no lube Slick coats *176 Postpaid US via UPS Cal add 5% tax Made USA Slow cure consistant quality Ask FAI-TAN CROCKET HOOKS NOW MADE BYFAI New catalog Ilata 100 FF kital SEND $150FAl Model Supply cATALOGCA 90510 RC Scale/SruII Continued page 51 plate pair pliers can easily melted little care must exercised Practic ing some scrap sheet will soon give hang Once softened lithoplate can formed complex compound shapes burnishing hammering small ball peen hammer lot forming being done piece can re vert its hard brittle state through process known work hardening occurs sim ply reheat piece playing butane flame presto Its ready form again Another very good aluminum material model useand favorite because its easy useis flashing gutter aluminum sheet sold hardware stores dead soft usually 010 thick comes rolls up 12 ft long various widths area about seven bucks can get 14-in-wide roll should last forever Because soft ductile material can formed complex compound surfaces rather easily ball peen plastic-headed hammers items have made amount hammering required did work harden pieces annealing neces sary compound shapes require lots form ing such circular cowls work hardening can occur does easy detect piece will suddenly become very stiff hard stops changing shape As litho plate remove piece form heat butane torch heat will required case because metal much thicker pieces usually larger basically three simple ways hammer-form aluminum sheet 1 female form 2 over male form 3 free-formed over anvil small scoops fairings carved form easy scoop Out pinewood block carved form does have smooth fin ished perfectly would case ing used vacu-forming part Bend sheet metal hand until roughly conforms final shape will minimize forming needed Next slowly hammer metal shape ball peen hammer using multiple light blows Start metal touching form work towards areas needing stretch ing An advantage female-form method can easily shape mounting flange around edge part factor often useful attaching finished part model small parts two inches sheet metal can held place hand Much larger parts may require metal clamped screwed form during forming opera tions male mold method useful forming larger cowl fairing parts metal case attached means clamps screws wooden form carved desired shape Two examples shown figures Remember go slowly using multiple hammer blows moving areas touching form toward areas raised farthest above form metal work hardens feels stiff brit tle remove form soften up butane torch way looking form cir cular cowl always good shop around va riety stores department stores hardware stores inexpensive aluminum pot close desired shape perfect size shape necessary get close whats needed can usually cut up bit either enlarged reduced size beaten desired fi nal shape inexpensive pots typically spun dead-soft aluminum sheet about 025 thick Modifying pot can awful lot easier making large cowl scratch course modelers have known build model around a nice-looking cooking pot found Finishing After hammer-forming metal part shape will necessary some cases smooth out surface irregularities file several grades emery cloth lots elbow grease As gain experience will able re duce amount hammer marks remaining finished pieces thereby reducing amount finishing work needed final polishing rubbing compound metal polish will result shiny beautiful finish course flat panels pieces have burnished shape need filing smooth ing before being polished WW Golden Age aircraft metal parts finished off machine turning means final wire brushing grinding buffing done rotating tool abrasive head intentionally left circular pat terns finished metal Skillfully done pro duced beautiful decorative surface finish tally obscured hammer marks other blem ishes would otherwise have marred its appear ance works great models too worst case beginner hammer warts can camouflaged effectively means So full-size prototype model used technique can skip filing em ery cloth hand work Simply cover up bumpy ratty-looking surface regular pattern machine turned ovals Two patterns machine turning com monly used perfectly circular shape exem plified Spirit St Louis commashaped swirl found Fokker El through EIV WW fighters case oval-shaped discs about 2 x 2 across size very small Schoolyard Scale-type models hard round eraser chucked drill electric draftsmans eraser can employed simulate marks larger RC models /6 scale find Dremel small end-wire brush used medium-low speed Dremel tool ideal little practice will able cover large panel scalelike turning pat terns no time machine turned pattern much easier apply heavier soft aluminum sheet hard lithoplate hold Dremel tool very firmly use slightly slower speed hardest sheet panels can patterned Try little sheet metal work next Scale model Youll learn like itand models will better RC Aerobatics/Van Putte Continued page 53 Lately job has caused travel several different cities Usually trips pretty bor ing Fly city check motel see contractor next day return motel fly back following day Its seldom fun However recent trip Tucson AZ different received letter David Mo150 Model Aviation June 10-11 1989 Two-In- Week end Attend two model air shows single weekend Come stay overnight Muncie Indiana halfway between Dayton Ohio Converse Indiana Attend both 1989 AMA National Fun Fly Dayton 8th Annual IMAA Giant Plane Fly-In Converse Indiana Youll get special discount rates hotel/motel accommodations youll pleasantly surprised variety fun interesting things see Muncie Muncie Indiana full nice surprises 1 hour Muncie 0 DAYTON 1-1/2 hours Muncie Call Muncie Visitors Bureau details 317-284-2700 lina requesting copy servo tester schemat ic previously published col umn asked give him call ever Tucson Well Air Force sent Tucson gave David call turns Out proprietor Mexican restaurant called La Casita de Molina made arrangements meet him restaurant following eve ning arrived greeted took side room large table large partially finished RC airplane Shortly joined several club members names remember Galen Williams Dan Tom xxx Bear Behr great time eating food excellent talking about RC un til almost midnight despite never having met before best business trips Ive because RC fliers made special youre Tucson stop La Casita de Molina West Va lencia tell very large tall broad Mex ican owner youre RC flierand watch what happens RC Giant Scale/de Vries Continued page 57 Escondido CA 92025 will get copy Vol ume IV Got Scale sox knocked completely off re cently copy latest issue Radio Con trol Scale Aircraft arrived mailbox courtesy Editor Dave Boddington Jolly Olde England Dave people put together RCSA really know Published quarterly latest copy de voted Albatros DVa included set full-sized plans 60-powered version German WW 1 fighter An article quarterscale example same bird plans avail able included plus articles Spandau ma chine guns drawings others concerned WW 1 lozenge camouflage thing Albatros enough documentation magazine youre interested seeing Scale mag azine should put together check peo ple Argus Specialist Publications PO Box 35 Wolsey House Wolsey Road Hemel Hemp stead Herts HP2 4SS England An airmail letterless ly costs 45 cents Blighty Emil Neeleys latest Ikon NWest includes sporty Stinson SR-8 Gullwing -scale 100-in span Supertigre 2500s Sperry Mes senger biplane post-WW tiny biplane youve aching build either Giant form drop Emil line PO Box 306 Post Falls ID 83854 Weve some inquiries about miniature electric motors planetary reduction gears Bill Sheaves using Giant Scale B-t7 retracts Theyre available Edmunds Scien tific Co carry stock number 36837 Price less 10 bucks per RC Pylon Racing/Hager Continued page 58 similar capability depending piloting types missing small big Enyas Hope see what can also future Lets see Enya lovers wanting experiment fa vorite engineor place once-noncompetitive serviceremember have till roughly next June before possible prop changes may nounced old Saito Enyas like unload ing allowed smaller 135-in props may some sleepers out same token brand engine/prop looks like runaway IT WILL BE LOADED DOWN MORE next prop cy cle engine/prop rulings along air craft similarity designs built have fast flown well should help make enjoying sport easier 12 engine approved has chance win now no need hold back joining and/or racing just because dont know engine competitive Formula 120 intended flying event founders looks prop-loading rule will help keep regardless what market manufacturers engine availability rela tive power future F-120 Event Summary Engines Props Approved 1989/1990 propellers 10-in pitch Engine Conley 12 Enya 120 Enya 120 R OS FS 120 OS Surpass Saito Fa 120 Saito Fa 120 5 Prop Diam 145 135 145 140 150 135 145 quiet challenge may become vogue AMA Pattern encouraging its competitors get below 98 dBA bonus points below number NMPRA mentioned noise its De July 1989 151
Edition: Model Aviation - 1989/07
Page Numbers: 52, 53, 150, 151
MANY aware did exactly welcome Turnaround Pattern reasons complex resistance mainly reaction what appeared attempt few indi viduals cram something down throats whether wanted like Eat vegetables theyre good ap parent attitude Turnaround promoters re sented us caused hard feelings years regarding event Years have softened edges feelings about Turnaround can think talk about Turnaround now getting riled up attend compete all-Turnaround contest once year Jackson MS doesnt mean Ill ever fly new Expert Turn around event passed current rules cy cle What does mean can see bene fits flying Turnaround objectively now Im first note flying Turnaround makes Pattern flier better flier Its true same reasons flying AMA Pattern makes sport flier better flier both tougher sport flying Turnaround tougher AMA Pattern flying discipline practice required fly Turnaround causes flier improve AMA Pattern numerous examples pilots im proved dramatically started flying Turnaround personal example Nat Penton de Quincy LA used trade beating other Expert contests Lafayette LA Baton Rouge LA Jackson MS Pensacola FL Nat started flying Expert Turn around Very quickly couldnt beat Nat continued improve got better faster Another benefit flying Turnaround nobody saw comingor perhaps should say heard coming combined pressure meet noise restrictions fly slower stay box made fliers experiment airplanes props engines muffling devices ways never imagined now have airplane combina tions perform better ever beforeand quiet standing flight line clubs contest Emerald Coast Pattern Championships April 8-9 Eglin AFB FL Paul Verger NSRCA District 3 VP watching Sam Leonard fly Magnum 3 Paul remarked nobody would have dreamed five six years ago what wed flying todayand pleasant would hear someone took off piped Rossi Arrow slinging 105 x 75 prop blasted us off runway few years back like 52 Model Aviation Radio Confrol Sport Aerobatics Ron Van Putte III Sleepy Oaks Rd F Walton Beach FL 32548 Sam Leonards Magnum designs M-3 front M-2 rearIt now owned Paul Verger Mike Hayden L-Baton Rouge LA points transmitter box being held Jim Fife purchased local Wai-Mart variety store Jim brought attention author Van Putte Nat Penton crowned prince Voodoo aerodynamics Paui Verger Nats new Express iooks same fiying either upright inverted Note low vertical fin near nose engine didnt turn 16000 rpm ground sanded prop put other man ufacturers magic props engine until did thought speed mandatory power necessary get speed wrong took Turnaround us find Out dont fly Turnaround except once year Im running 11 x 10 prop YS 16/2 glow plug high point OPS pipe Im using Its quietest combination flight line will easily pass proposed 98 dB noise limit So Turn around has benefited AMA Pattern flier Are member National Society Ra dio Controlled Aerobatics NSRCA you already get K-Factor newsletter NSRCA aware good has gotten gobs good Pattern stuff month district vice presidents making great contributions last K-Factor 16 pages 8 x 11 tiny print too way K-Factor design typography print ing Rick Teddy Bergeron Bergeron En terprises 443 Roberta Ave Fullerton CA 92632 Rick Pattern flier too dont know what gets what does KFactor its beautifully professional job February column NSRCA District 8 VP Rick Allison contained tongue-in-cheek sug gestion blew away suggested new organization called Society Preserva tion Antique Missiles SPAM SPAM could promote AMA Nostalgia class 10 years pos Dirty Birdys De ceptions stuff Well raid old engine collec tions side-exhaust Rossi mills nitro pipes 105 x 7 DW props Well go way Out desert wont disturb anyone pump Rhom Airs full wont have prob lem jerking up solid lead Kraft wheels wind old suckers up way used can look way over corner Ill guy selling earplugs out back van think anyone whos Pattern can relate what Rick say few folks out got down right defensive article published Hey wait minute have set wheels airplane Actually Kraft wheels use ones will hold up abuse granite aggregate asphalt runway dishes out competitor last contest said figured Out runway equivalent dou ble ought sandpaper Its often service company will suggest something customers will cause com pany make less money Thats what Radio Souths Tony Stillman did suggested inform readers about potential way RC fliers save money time radio repair Tony said has gotten literally hundreds radios back repair didnt have anything wrong symptom channels didnt work culprit reversing switches midway between direction other Tony suggested hard bump can cause reversing switches start moving opposite direction hang up midway will cause channel stop working So check Out reversing switch positions before return broken radio way Radio South now its new ad dress 9003 North Davis Highway Pensacola FL 32504 Continued page 150 30 Flying DISC V-STOL SUPERIOR Small Field ft FUN FLY Aircraft STABLE PREDICTABLE ft AGILE plus $4 shipping TX Res add 7% sales tax VISA Foam ft Lite Ply Construction ELEVON Mixer Included 25- 40cid 4 3-35 lbs Accurate QUALITY Materials PO Box 16621 Dept M Irvine CA 92714 714 250-1107 B&P Associates Gives Total Flight Line FREEDOM new eleetne starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 lATherr- TY 76702-2054 817662-5587 POOP like tO teko rt eaSV s Up n 60 secondS EZ UP Shelters Pu v 5 O EZ UPTM Shelters construction sturdy steel tuba trip overN parts tlO rope5 luable rniniatu* tall Vare aircraft Red Blue nylOn tOP Cii 10 10 sturdY fade reSISWflt 3B1VISA MA6E~JisOER plus UPSVlsdtnt gentuCkY reel deflt add 5 saES \l CHECK p M John peck Leisure Product Ltd MAC n25 AMA eseaa p~5~#ioOd pload V8ralY3sl72 July 1989 53 Get ROUN TUIT Today Bonded Modal Products ONLYBox 10998 Suite 543 Money Back GUARANTEEAustin TX 78766 Business512 250-1420 CARBON FIBER LAMINATES Aerospace Composite Products offers variety rigid carbon fiber/epoxy sheets add stiffness almost material- fiberglass foam bal sawood laminates can used fo reinforce foam wings leading trailing edges wing spars Carbon Fiber bonds easily slow seffing cyanoacrylates 5-minute epoxies laminate can stripped narrower widths TYPICAL INSTALLATION CL-i 007 thick 1x48-$500 1x72-$700tINAFOAM WING CL-2 014 thick lx48-$80U 1x72-$1100 Send SASE information additionai sizes products Add $300 shipping handling Calif residents add 6% tax Overseas orders add 15%-Order COD send cheek money order IiiDllTesourcefor/igheightmaterials L ANO NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS PRATT WHITNEY WASP 4 WRIGHT WHIRLWIND Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales1/5th 21 1/4th 3 ts include assembly instructions Smaller sizes also offered Note These units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable framing WILLIAMS BROTHERS INC DEPT MA PAWNEE STREET SAN MARCOS CALIFORNIA 92069 NEW FAI TAN RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price *1475 includes 4 oz Slick lube *1375 no lube Slick coats *176 Postpaid US via UPS Cal add 5% tax Made USA Slow cure consistant quality Ask FAI-TAN CROCKET HOOKS NOW MADE BYFAI New catalog Ilata 100 FF kital SEND $150FAl Model Supply cATALOGCA 90510 RC Scale/SruII Continued page 51 plate pair pliers can easily melted little care must exercised Practic ing some scrap sheet will soon give hang Once softened lithoplate can formed complex compound shapes burnishing hammering small ball peen hammer lot forming being done piece can re vert its hard brittle state through process known work hardening occurs sim ply reheat piece playing butane flame presto Its ready form again Another very good aluminum material model useand favorite because its easy useis flashing gutter aluminum sheet sold hardware stores dead soft usually 010 thick comes rolls up 12 ft long various widths area about seven bucks can get 14-in-wide roll should last forever Because soft ductile material can formed complex compound surfaces rather easily ball peen plastic-headed hammers items have made amount hammering required did work harden pieces annealing neces sary compound shapes require lots form ing such circular cowls work hardening can occur does easy detect piece will suddenly become very stiff hard stops changing shape As litho plate remove piece form heat butane torch heat will required case because metal much thicker pieces usually larger basically three simple ways hammer-form aluminum sheet 1 female form 2 over male form 3 free-formed over anvil small scoops fairings carved form easy scoop Out pinewood block carved form does have smooth fin ished perfectly would case ing used vacu-forming part Bend sheet metal hand until roughly conforms final shape will minimize forming needed Next slowly hammer metal shape ball peen hammer using multiple light blows Start metal touching form work towards areas needing stretch ing An advantage female-form method can easily shape mounting flange around edge part factor often useful attaching finished part model small parts two inches sheet metal can held place hand Much larger parts may require metal clamped screwed form during forming opera tions male mold method useful forming larger cowl fairing parts metal case attached means clamps screws wooden form carved desired shape Two examples shown figures Remember go slowly using multiple hammer blows moving areas touching form toward areas raised farthest above form metal work hardens feels stiff brit tle remove form soften up butane torch way looking form cir cular cowl always good shop around va riety stores department stores hardware stores inexpensive aluminum pot close desired shape perfect size shape necessary get close whats needed can usually cut up bit either enlarged reduced size beaten desired fi nal shape inexpensive pots typically spun dead-soft aluminum sheet about 025 thick Modifying pot can awful lot easier making large cowl scratch course modelers have known build model around a nice-looking cooking pot found Finishing After hammer-forming metal part shape will necessary some cases smooth out surface irregularities file several grades emery cloth lots elbow grease As gain experience will able re duce amount hammer marks remaining finished pieces thereby reducing amount finishing work needed final polishing rubbing compound metal polish will result shiny beautiful finish course flat panels pieces have burnished shape need filing smooth ing before being polished WW Golden Age aircraft metal parts finished off machine turning means final wire brushing grinding buffing done rotating tool abrasive head intentionally left circular pat terns finished metal Skillfully done pro duced beautiful decorative surface finish tally obscured hammer marks other blem ishes would otherwise have marred its appear ance works great models too worst case beginner hammer warts can camouflaged effectively means So full-size prototype model used technique can skip filing em ery cloth hand work Simply cover up bumpy ratty-looking surface regular pattern machine turned ovals Two patterns machine turning com monly used perfectly circular shape exem plified Spirit St Louis commashaped swirl found Fokker El through EIV WW fighters case oval-shaped discs about 2 x 2 across size very small Schoolyard Scale-type models hard round eraser chucked drill electric draftsmans eraser can employed simulate marks larger RC models /6 scale find Dremel small end-wire brush used medium-low speed Dremel tool ideal little practice will able cover large panel scalelike turning pat terns no time machine turned pattern much easier apply heavier soft aluminum sheet hard lithoplate hold Dremel tool very firmly use slightly slower speed hardest sheet panels can patterned Try little sheet metal work next Scale model Youll learn like itand models will better RC Aerobatics/Van Putte Continued page 53 Lately job has caused travel several different cities Usually trips pretty bor ing Fly city check motel see contractor next day return motel fly back following day Its seldom fun However recent trip Tucson AZ different received letter David Mo150 Model Aviation June 10-11 1989 Two-In- Week end Attend two model air shows single weekend Come stay overnight Muncie Indiana halfway between Dayton Ohio Converse Indiana Attend both 1989 AMA National Fun Fly Dayton 8th Annual IMAA Giant Plane Fly-In Converse Indiana Youll get special discount rates hotel/motel accommodations youll pleasantly surprised variety fun interesting things see Muncie Muncie Indiana full nice surprises 1 hour Muncie 0 DAYTON 1-1/2 hours Muncie Call Muncie Visitors Bureau details 317-284-2700 lina requesting copy servo tester schemat ic previously published col umn asked give him call ever Tucson Well Air Force sent Tucson gave David call turns Out proprietor Mexican restaurant called La Casita de Molina made arrangements meet him restaurant following eve ning arrived greeted took side room large table large partially finished RC airplane Shortly joined several club members names remember Galen Williams Dan Tom xxx Bear Behr great time eating food excellent talking about RC un til almost midnight despite never having met before best business trips Ive because RC fliers made special youre Tucson stop La Casita de Molina West Va lencia tell very large tall broad Mex ican owner youre RC flierand watch what happens RC Giant Scale/de Vries Continued page 57 Escondido CA 92025 will get copy Vol ume IV Got Scale sox knocked completely off re cently copy latest issue Radio Con trol Scale Aircraft arrived mailbox courtesy Editor Dave Boddington Jolly Olde England Dave people put together RCSA really know Published quarterly latest copy de voted Albatros DVa included set full-sized plans 60-powered version German WW 1 fighter An article quarterscale example same bird plans avail able included plus articles Spandau ma chine guns drawings others concerned WW 1 lozenge camouflage thing Albatros enough documentation magazine youre interested seeing Scale mag azine should put together check peo ple Argus Specialist Publications PO Box 35 Wolsey House Wolsey Road Hemel Hemp stead Herts HP2 4SS England An airmail letterless ly costs 45 cents Blighty Emil Neeleys latest Ikon NWest includes sporty Stinson SR-8 Gullwing -scale 100-in span Supertigre 2500s Sperry Mes senger biplane post-WW tiny biplane youve aching build either Giant form drop Emil line PO Box 306 Post Falls ID 83854 Weve some inquiries about miniature electric motors planetary reduction gears Bill Sheaves using Giant Scale B-t7 retracts Theyre available Edmunds Scien tific Co carry stock number 36837 Price less 10 bucks per RC Pylon Racing/Hager Continued page 58 similar capability depending piloting types missing small big Enyas Hope see what can also future Lets see Enya lovers wanting experiment fa vorite engineor place once-noncompetitive serviceremember have till roughly next June before possible prop changes may nounced old Saito Enyas like unload ing allowed smaller 135-in props may some sleepers out same token brand engine/prop looks like runaway IT WILL BE LOADED DOWN MORE next prop cy cle engine/prop rulings along air craft similarity designs built have fast flown well should help make enjoying sport easier 12 engine approved has chance win now no need hold back joining and/or racing just because dont know engine competitive Formula 120 intended flying event founders looks prop-loading rule will help keep regardless what market manufacturers engine availability rela tive power future F-120 Event Summary Engines Props Approved 1989/1990 propellers 10-in pitch Engine Conley 12 Enya 120 Enya 120 R OS FS 120 OS Surpass Saito Fa 120 Saito Fa 120 5 Prop Diam 145 135 145 140 150 135 145 quiet challenge may become vogue AMA Pattern encouraging its competitors get below 98 dBA bonus points below number NMPRA mentioned noise its De July 1989 151
Edition: Model Aviation - 1989/07
Page Numbers: 52, 53, 150, 151
MANY aware did exactly welcome Turnaround Pattern reasons complex resistance mainly reaction what appeared attempt few indi viduals cram something down throats whether wanted like Eat vegetables theyre good ap parent attitude Turnaround promoters re sented us caused hard feelings years regarding event Years have softened edges feelings about Turnaround can think talk about Turnaround now getting riled up attend compete all-Turnaround contest once year Jackson MS doesnt mean Ill ever fly new Expert Turn around event passed current rules cy cle What does mean can see bene fits flying Turnaround objectively now Im first note flying Turnaround makes Pattern flier better flier Its true same reasons flying AMA Pattern makes sport flier better flier both tougher sport flying Turnaround tougher AMA Pattern flying discipline practice required fly Turnaround causes flier improve AMA Pattern numerous examples pilots im proved dramatically started flying Turnaround personal example Nat Penton de Quincy LA used trade beating other Expert contests Lafayette LA Baton Rouge LA Jackson MS Pensacola FL Nat started flying Expert Turn around Very quickly couldnt beat Nat continued improve got better faster Another benefit flying Turnaround nobody saw comingor perhaps should say heard coming combined pressure meet noise restrictions fly slower stay box made fliers experiment airplanes props engines muffling devices ways never imagined now have airplane combina tions perform better ever beforeand quiet standing flight line clubs contest Emerald Coast Pattern Championships April 8-9 Eglin AFB FL Paul Verger NSRCA District 3 VP watching Sam Leonard fly Magnum 3 Paul remarked nobody would have dreamed five six years ago what wed flying todayand pleasant would hear someone took off piped Rossi Arrow slinging 105 x 75 prop blasted us off runway few years back like 52 Model Aviation Radio Confrol Sport Aerobatics Ron Van Putte III Sleepy Oaks Rd F Walton Beach FL 32548 Sam Leonards Magnum designs M-3 front M-2 rearIt now owned Paul Verger Mike Hayden L-Baton Rouge LA points transmitter box being held Jim Fife purchased local Wai-Mart variety store Jim brought attention author Van Putte Nat Penton crowned prince Voodoo aerodynamics Paui Verger Nats new Express iooks same fiying either upright inverted Note low vertical fin near nose engine didnt turn 16000 rpm ground sanded prop put other man ufacturers magic props engine until did thought speed mandatory power necessary get speed wrong took Turnaround us find Out dont fly Turnaround except once year Im running 11 x 10 prop YS 16/2 glow plug high point OPS pipe Im using Its quietest combination flight line will easily pass proposed 98 dB noise limit So Turn around has benefited AMA Pattern flier Are member National Society Ra dio Controlled Aerobatics NSRCA you already get K-Factor newsletter NSRCA aware good has gotten gobs good Pattern stuff month district vice presidents making great contributions last K-Factor 16 pages 8 x 11 tiny print too way K-Factor design typography print ing Rick Teddy Bergeron Bergeron En terprises 443 Roberta Ave Fullerton CA 92632 Rick Pattern flier too dont know what gets what does KFactor its beautifully professional job February column NSRCA District 8 VP Rick Allison contained tongue-in-cheek sug gestion blew away suggested new organization called Society Preserva tion Antique Missiles SPAM SPAM could promote AMA Nostalgia class 10 years pos Dirty Birdys De ceptions stuff Well raid old engine collec tions side-exhaust Rossi mills nitro pipes 105 x 7 DW props Well go way Out desert wont disturb anyone pump Rhom Airs full wont have prob lem jerking up solid lead Kraft wheels wind old suckers up way used can look way over corner Ill guy selling earplugs out back van think anyone whos Pattern can relate what Rick say few folks out got down right defensive article published Hey wait minute have set wheels airplane Actually Kraft wheels use ones will hold up abuse granite aggregate asphalt runway dishes out competitor last contest said figured Out runway equivalent dou ble ought sandpaper Its often service company will suggest something customers will cause com pany make less money Thats what Radio Souths Tony Stillman did suggested inform readers about potential way RC fliers save money time radio repair Tony said has gotten literally hundreds radios back repair didnt have anything wrong symptom channels didnt work culprit reversing switches midway between direction other Tony suggested hard bump can cause reversing switches start moving opposite direction hang up midway will cause channel stop working So check Out reversing switch positions before return broken radio way Radio South now its new ad dress 9003 North Davis Highway Pensacola FL 32504 Continued page 150 30 Flying DISC V-STOL SUPERIOR Small Field ft FUN FLY Aircraft STABLE PREDICTABLE ft AGILE plus $4 shipping TX Res add 7% sales tax VISA Foam ft Lite Ply Construction ELEVON Mixer Included 25- 40cid 4 3-35 lbs Accurate QUALITY Materials PO Box 16621 Dept M Irvine CA 92714 714 250-1107 B&P Associates Gives Total Flight Line FREEDOM new eleetne starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 lATherr- TY 76702-2054 817662-5587 POOP like tO teko rt eaSV s Up n 60 secondS EZ UP Shelters Pu v 5 O EZ UPTM Shelters construction sturdy steel tuba trip overN parts tlO rope5 luable rniniatu* tall Vare aircraft Red Blue nylOn tOP Cii 10 10 sturdY fade reSISWflt 3B1VISA MA6E~JisOER plus UPSVlsdtnt gentuCkY reel deflt add 5 saES \l CHECK p M John peck Leisure Product Ltd MAC n25 AMA eseaa p~5~#ioOd pload V8ralY3sl72 July 1989 53 Get ROUN TUIT Today Bonded Modal Products ONLYBox 10998 Suite 543 Money Back GUARANTEEAustin TX 78766 Business512 250-1420 CARBON FIBER LAMINATES Aerospace Composite Products offers variety rigid carbon fiber/epoxy sheets add stiffness almost material- fiberglass foam bal sawood laminates can used fo reinforce foam wings leading trailing edges wing spars Carbon Fiber bonds easily slow seffing cyanoacrylates 5-minute epoxies laminate can stripped narrower widths TYPICAL INSTALLATION CL-i 007 thick 1x48-$500 1x72-$700tINAFOAM WING CL-2 014 thick lx48-$80U 1x72-$1100 Send SASE information additionai sizes products Add $300 shipping handling Calif residents add 6% tax Overseas orders add 15%-Order COD send cheek money order IiiDllTesourcefor/igheightmaterials L ANO NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS PRATT WHITNEY WASP 4 WRIGHT WHIRLWIND Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales1/5th 21 1/4th 3 ts include assembly instructions Smaller sizes also offered Note These units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable framing WILLIAMS BROTHERS INC DEPT MA PAWNEE STREET SAN MARCOS CALIFORNIA 92069 NEW FAI TAN RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price *1475 includes 4 oz Slick lube *1375 no lube Slick coats *176 Postpaid US via UPS Cal add 5% tax Made USA Slow cure consistant quality Ask FAI-TAN CROCKET HOOKS NOW MADE BYFAI New catalog Ilata 100 FF kital SEND $150FAl Model Supply cATALOGCA 90510 RC Scale/SruII Continued page 51 plate pair pliers can easily melted little care must exercised Practic ing some scrap sheet will soon give hang Once softened lithoplate can formed complex compound shapes burnishing hammering small ball peen hammer lot forming being done piece can re vert its hard brittle state through process known work hardening occurs sim ply reheat piece playing butane flame presto Its ready form again Another very good aluminum material model useand favorite because its easy useis flashing gutter aluminum sheet sold hardware stores dead soft usually 010 thick comes rolls up 12 ft long various widths area about seven bucks can get 14-in-wide roll should last forever Because soft ductile material can formed complex compound surfaces rather easily ball peen plastic-headed hammers items have made amount hammering required did work harden pieces annealing neces sary compound shapes require lots form ing such circular cowls work hardening can occur does easy detect piece will suddenly become very stiff hard stops changing shape As litho plate remove piece form heat butane torch heat will required case because metal much thicker pieces usually larger basically three simple ways hammer-form aluminum sheet 1 female form 2 over male form 3 free-formed over anvil small scoops fairings carved form easy scoop Out pinewood block carved form does have smooth fin ished perfectly would case ing used vacu-forming part Bend sheet metal hand until roughly conforms final shape will minimize forming needed Next slowly hammer metal shape ball peen hammer using multiple light blows Start metal touching form work towards areas needing stretch ing An advantage female-form method can easily shape mounting flange around edge part factor often useful attaching finished part model small parts two inches sheet metal can held place hand Much larger parts may require metal clamped screwed form during forming opera tions male mold method useful forming larger cowl fairing parts metal case attached means clamps screws wooden form carved desired shape Two examples shown figures Remember go slowly using multiple hammer blows moving areas touching form toward areas raised farthest above form metal work hardens feels stiff brit tle remove form soften up butane torch way looking form cir cular cowl always good shop around va riety stores department stores hardware stores inexpensive aluminum pot close desired shape perfect size shape necessary get close whats needed can usually cut up bit either enlarged reduced size beaten desired fi nal shape inexpensive pots typically spun dead-soft aluminum sheet about 025 thick Modifying pot can awful lot easier making large cowl scratch course modelers have known build model around a nice-looking cooking pot found Finishing After hammer-forming metal part shape will necessary some cases smooth out surface irregularities file several grades emery cloth lots elbow grease As gain experience will able re duce amount hammer marks remaining finished pieces thereby reducing amount finishing work needed final polishing rubbing compound metal polish will result shiny beautiful finish course flat panels pieces have burnished shape need filing smooth ing before being polished WW Golden Age aircraft metal parts finished off machine turning means final wire brushing grinding buffing done rotating tool abrasive head intentionally left circular pat terns finished metal Skillfully done pro duced beautiful decorative surface finish tally obscured hammer marks other blem ishes would otherwise have marred its appear ance works great models too worst case beginner hammer warts can camouflaged effectively means So full-size prototype model used technique can skip filing em ery cloth hand work Simply cover up bumpy ratty-looking surface regular pattern machine turned ovals Two patterns machine turning com monly used perfectly circular shape exem plified Spirit St Louis commashaped swirl found Fokker El through EIV WW fighters case oval-shaped discs about 2 x 2 across size very small Schoolyard Scale-type models hard round eraser chucked drill electric draftsmans eraser can employed simulate marks larger RC models /6 scale find Dremel small end-wire brush used medium-low speed Dremel tool ideal little practice will able cover large panel scalelike turning pat terns no time machine turned pattern much easier apply heavier soft aluminum sheet hard lithoplate hold Dremel tool very firmly use slightly slower speed hardest sheet panels can patterned Try little sheet metal work next Scale model Youll learn like itand models will better RC Aerobatics/Van Putte Continued page 53 Lately job has caused travel several different cities Usually trips pretty bor ing Fly city check motel see contractor next day return motel fly back following day Its seldom fun However recent trip Tucson AZ different received letter David Mo150 Model Aviation June 10-11 1989 Two-In- Week end Attend two model air shows single weekend Come stay overnight Muncie Indiana halfway between Dayton Ohio Converse Indiana Attend both 1989 AMA National Fun Fly Dayton 8th Annual IMAA Giant Plane Fly-In Converse Indiana Youll get special discount rates hotel/motel accommodations youll pleasantly surprised variety fun interesting things see Muncie Muncie Indiana full nice surprises 1 hour Muncie 0 DAYTON 1-1/2 hours Muncie Call Muncie Visitors Bureau details 317-284-2700 lina requesting copy servo tester schemat ic previously published col umn asked give him call ever Tucson Well Air Force sent Tucson gave David call turns Out proprietor Mexican restaurant called La Casita de Molina made arrangements meet him restaurant following eve ning arrived greeted took side room large table large partially finished RC airplane Shortly joined several club members names remember Galen Williams Dan Tom xxx Bear Behr great time eating food excellent talking about RC un til almost midnight despite never having met before best business trips Ive because RC fliers made special youre Tucson stop La Casita de Molina West Va lencia tell very large tall broad Mex ican owner youre RC flierand watch what happens RC Giant Scale/de Vries Continued page 57 Escondido CA 92025 will get copy Vol ume IV Got Scale sox knocked completely off re cently copy latest issue Radio Con trol Scale Aircraft arrived mailbox courtesy Editor Dave Boddington Jolly Olde England Dave people put together RCSA really know Published quarterly latest copy de voted Albatros DVa included set full-sized plans 60-powered version German WW 1 fighter An article quarterscale example same bird plans avail able included plus articles Spandau ma chine guns drawings others concerned WW 1 lozenge camouflage thing Albatros enough documentation magazine youre interested seeing Scale mag azine should put together check peo ple Argus Specialist Publications PO Box 35 Wolsey House Wolsey Road Hemel Hemp stead Herts HP2 4SS England An airmail letterless ly costs 45 cents Blighty Emil Neeleys latest Ikon NWest includes sporty Stinson SR-8 Gullwing -scale 100-in span Supertigre 2500s Sperry Mes senger biplane post-WW tiny biplane youve aching build either Giant form drop Emil line PO Box 306 Post Falls ID 83854 Weve some inquiries about miniature electric motors planetary reduction gears Bill Sheaves using Giant Scale B-t7 retracts Theyre available Edmunds Scien tific Co carry stock number 36837 Price less 10 bucks per RC Pylon Racing/Hager Continued page 58 similar capability depending piloting types missing small big Enyas Hope see what can also future Lets see Enya lovers wanting experiment fa vorite engineor place once-noncompetitive serviceremember have till roughly next June before possible prop changes may nounced old Saito Enyas like unload ing allowed smaller 135-in props may some sleepers out same token brand engine/prop looks like runaway IT WILL BE LOADED DOWN MORE next prop cy cle engine/prop rulings along air craft similarity designs built have fast flown well should help make enjoying sport easier 12 engine approved has chance win now no need hold back joining and/or racing just because dont know engine competitive Formula 120 intended flying event founders looks prop-loading rule will help keep regardless what market manufacturers engine availability rela tive power future F-120 Event Summary Engines Props Approved 1989/1990 propellers 10-in pitch Engine Conley 12 Enya 120 Enya 120 R OS FS 120 OS Surpass Saito Fa 120 Saito Fa 120 5 Prop Diam 145 135 145 140 150 135 145 quiet challenge may become vogue AMA Pattern encouraging its competitors get below 98 dBA bonus points below number NMPRA mentioned noise its De July 1989 151
Edition: Model Aviation - 1989/07
Page Numbers: 52, 53, 150, 151
MANY aware did exactly welcome Turnaround Pattern reasons complex resistance mainly reaction what appeared attempt few indi viduals cram something down throats whether wanted like Eat vegetables theyre good ap parent attitude Turnaround promoters re sented us caused hard feelings years regarding event Years have softened edges feelings about Turnaround can think talk about Turnaround now getting riled up attend compete all-Turnaround contest once year Jackson MS doesnt mean Ill ever fly new Expert Turn around event passed current rules cy cle What does mean can see bene fits flying Turnaround objectively now Im first note flying Turnaround makes Pattern flier better flier Its true same reasons flying AMA Pattern makes sport flier better flier both tougher sport flying Turnaround tougher AMA Pattern flying discipline practice required fly Turnaround causes flier improve AMA Pattern numerous examples pilots im proved dramatically started flying Turnaround personal example Nat Penton de Quincy LA used trade beating other Expert contests Lafayette LA Baton Rouge LA Jackson MS Pensacola FL Nat started flying Expert Turn around Very quickly couldnt beat Nat continued improve got better faster Another benefit flying Turnaround nobody saw comingor perhaps should say heard coming combined pressure meet noise restrictions fly slower stay box made fliers experiment airplanes props engines muffling devices ways never imagined now have airplane combina tions perform better ever beforeand quiet standing flight line clubs contest Emerald Coast Pattern Championships April 8-9 Eglin AFB FL Paul Verger NSRCA District 3 VP watching Sam Leonard fly Magnum 3 Paul remarked nobody would have dreamed five six years ago what wed flying todayand pleasant would hear someone took off piped Rossi Arrow slinging 105 x 75 prop blasted us off runway few years back like 52 Model Aviation Radio Confrol Sport Aerobatics Ron Van Putte III Sleepy Oaks Rd F Walton Beach FL 32548 Sam Leonards Magnum designs M-3 front M-2 rearIt now owned Paul Verger Mike Hayden L-Baton Rouge LA points transmitter box being held Jim Fife purchased local Wai-Mart variety store Jim brought attention author Van Putte Nat Penton crowned prince Voodoo aerodynamics Paui Verger Nats new Express iooks same fiying either upright inverted Note low vertical fin near nose engine didnt turn 16000 rpm ground sanded prop put other man ufacturers magic props engine until did thought speed mandatory power necessary get speed wrong took Turnaround us find Out dont fly Turnaround except once year Im running 11 x 10 prop YS 16/2 glow plug high point OPS pipe Im using Its quietest combination flight line will easily pass proposed 98 dB noise limit So Turn around has benefited AMA Pattern flier Are member National Society Ra dio Controlled Aerobatics NSRCA you already get K-Factor newsletter NSRCA aware good has gotten gobs good Pattern stuff month district vice presidents making great contributions last K-Factor 16 pages 8 x 11 tiny print too way K-Factor design typography print ing Rick Teddy Bergeron Bergeron En terprises 443 Roberta Ave Fullerton CA 92632 Rick Pattern flier too dont know what gets what does KFactor its beautifully professional job February column NSRCA District 8 VP Rick Allison contained tongue-in-cheek sug gestion blew away suggested new organization called Society Preserva tion Antique Missiles SPAM SPAM could promote AMA Nostalgia class 10 years pos Dirty Birdys De ceptions stuff Well raid old engine collec tions side-exhaust Rossi mills nitro pipes 105 x 7 DW props Well go way Out desert wont disturb anyone pump Rhom Airs full wont have prob lem jerking up solid lead Kraft wheels wind old suckers up way used can look way over corner Ill guy selling earplugs out back van think anyone whos Pattern can relate what Rick say few folks out got down right defensive article published Hey wait minute have set wheels airplane Actually Kraft wheels use ones will hold up abuse granite aggregate asphalt runway dishes out competitor last contest said figured Out runway equivalent dou ble ought sandpaper Its often service company will suggest something customers will cause com pany make less money Thats what Radio Souths Tony Stillman did suggested inform readers about potential way RC fliers save money time radio repair Tony said has gotten literally hundreds radios back repair didnt have anything wrong symptom channels didnt work culprit reversing switches midway between direction other Tony suggested hard bump can cause reversing switches start moving opposite direction hang up midway will cause channel stop working So check Out reversing switch positions before return broken radio way Radio South now its new ad dress 9003 North Davis Highway Pensacola FL 32504 Continued page 150 30 Flying DISC V-STOL SUPERIOR Small Field ft FUN FLY Aircraft STABLE PREDICTABLE ft AGILE plus $4 shipping TX Res add 7% sales tax VISA Foam ft Lite Ply Construction ELEVON Mixer Included 25- 40cid 4 3-35 lbs Accurate QUALITY Materials PO Box 16621 Dept M Irvine CA 92714 714 250-1107 B&P Associates Gives Total Flight Line FREEDOM new eleetne starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 lATherr- TY 76702-2054 817662-5587 POOP like tO teko rt eaSV s Up n 60 secondS EZ UP Shelters Pu v 5 O EZ UPTM Shelters construction sturdy steel tuba trip overN parts tlO rope5 luable rniniatu* tall Vare aircraft Red Blue nylOn tOP Cii 10 10 sturdY fade reSISWflt 3B1VISA MA6E~JisOER plus UPSVlsdtnt gentuCkY reel deflt add 5 saES \l CHECK p M John peck Leisure Product Ltd MAC n25 AMA eseaa p~5~#ioOd pload V8ralY3sl72 July 1989 53 Get ROUN TUIT Today Bonded Modal Products ONLYBox 10998 Suite 543 Money Back GUARANTEEAustin TX 78766 Business512 250-1420 CARBON FIBER LAMINATES Aerospace Composite Products offers variety rigid carbon fiber/epoxy sheets add stiffness almost material- fiberglass foam bal sawood laminates can used fo reinforce foam wings leading trailing edges wing spars Carbon Fiber bonds easily slow seffing cyanoacrylates 5-minute epoxies laminate can stripped narrower widths TYPICAL INSTALLATION CL-i 007 thick 1x48-$500 1x72-$700tINAFOAM WING CL-2 014 thick lx48-$80U 1x72-$1100 Send SASE information additionai sizes products Add $300 shipping handling Calif residents add 6% tax Overseas orders add 15%-Order COD send cheek money order IiiDllTesourcefor/igheightmaterials L ANO NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS PRATT WHITNEY WASP 4 WRIGHT WHIRLWIND Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales1/5th 21 1/4th 3 ts include assembly instructions Smaller sizes also offered Note These units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable framing WILLIAMS BROTHERS INC DEPT MA PAWNEE STREET SAN MARCOS CALIFORNIA 92069 NEW FAI TAN RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price *1475 includes 4 oz Slick lube *1375 no lube Slick coats *176 Postpaid US via UPS Cal add 5% tax Made USA Slow cure consistant quality Ask FAI-TAN CROCKET HOOKS NOW MADE BYFAI New catalog Ilata 100 FF kital SEND $150FAl Model Supply cATALOGCA 90510 RC Scale/SruII Continued page 51 plate pair pliers can easily melted little care must exercised Practic ing some scrap sheet will soon give hang Once softened lithoplate can formed complex compound shapes burnishing hammering small ball peen hammer lot forming being done piece can re vert its hard brittle state through process known work hardening occurs sim ply reheat piece playing butane flame presto Its ready form again Another very good aluminum material model useand favorite because its easy useis flashing gutter aluminum sheet sold hardware stores dead soft usually 010 thick comes rolls up 12 ft long various widths area about seven bucks can get 14-in-wide roll should last forever Because soft ductile material can formed complex compound surfaces rather easily ball peen plastic-headed hammers items have made amount hammering required did work harden pieces annealing neces sary compound shapes require lots form ing such circular cowls work hardening can occur does easy detect piece will suddenly become very stiff hard stops changing shape As litho plate remove piece form heat butane torch heat will required case because metal much thicker pieces usually larger basically three simple ways hammer-form aluminum sheet 1 female form 2 over male form 3 free-formed over anvil small scoops fairings carved form easy scoop Out pinewood block carved form does have smooth fin ished perfectly would case ing used vacu-forming part Bend sheet metal hand until roughly conforms final shape will minimize forming needed Next slowly hammer metal shape ball peen hammer using multiple light blows Start metal touching form work towards areas needing stretch ing An advantage female-form method can easily shape mounting flange around edge part factor often useful attaching finished part model small parts two inches sheet metal can held place hand Much larger parts may require metal clamped screwed form during forming opera tions male mold method useful forming larger cowl fairing parts metal case attached means clamps screws wooden form carved desired shape Two examples shown figures Remember go slowly using multiple hammer blows moving areas touching form toward areas raised farthest above form metal work hardens feels stiff brit tle remove form soften up butane torch way looking form cir cular cowl always good shop around va riety stores department stores hardware stores inexpensive aluminum pot close desired shape perfect size shape necessary get close whats needed can usually cut up bit either enlarged reduced size beaten desired fi nal shape inexpensive pots typically spun dead-soft aluminum sheet about 025 thick Modifying pot can awful lot easier making large cowl scratch course modelers have known build model around a nice-looking cooking pot found Finishing After hammer-forming metal part shape will necessary some cases smooth out surface irregularities file several grades emery cloth lots elbow grease As gain experience will able re duce amount hammer marks remaining finished pieces thereby reducing amount finishing work needed final polishing rubbing compound metal polish will result shiny beautiful finish course flat panels pieces have burnished shape need filing smooth ing before being polished WW Golden Age aircraft metal parts finished off machine turning means final wire brushing grinding buffing done rotating tool abrasive head intentionally left circular pat terns finished metal Skillfully done pro duced beautiful decorative surface finish tally obscured hammer marks other blem ishes would otherwise have marred its appear ance works great models too worst case beginner hammer warts can camouflaged effectively means So full-size prototype model used technique can skip filing em ery cloth hand work Simply cover up bumpy ratty-looking surface regular pattern machine turned ovals Two patterns machine turning com monly used perfectly circular shape exem plified Spirit St Louis commashaped swirl found Fokker El through EIV WW fighters case oval-shaped discs about 2 x 2 across size very small Schoolyard Scale-type models hard round eraser chucked drill electric draftsmans eraser can employed simulate marks larger RC models /6 scale find Dremel small end-wire brush used medium-low speed Dremel tool ideal little practice will able cover large panel scalelike turning pat terns no time machine turned pattern much easier apply heavier soft aluminum sheet hard lithoplate hold Dremel tool very firmly use slightly slower speed hardest sheet panels can patterned Try little sheet metal work next Scale model Youll learn like itand models will better RC Aerobatics/Van Putte Continued page 53 Lately job has caused travel several different cities Usually trips pretty bor ing Fly city check motel see contractor next day return motel fly back following day Its seldom fun However recent trip Tucson AZ different received letter David Mo150 Model Aviation June 10-11 1989 Two-In- Week end Attend two model air shows single weekend Come stay overnight Muncie Indiana halfway between Dayton Ohio Converse Indiana Attend both 1989 AMA National Fun Fly Dayton 8th Annual IMAA Giant Plane Fly-In Converse Indiana Youll get special discount rates hotel/motel accommodations youll pleasantly surprised variety fun interesting things see Muncie Muncie Indiana full nice surprises 1 hour Muncie 0 DAYTON 1-1/2 hours Muncie Call Muncie Visitors Bureau details 317-284-2700 lina requesting copy servo tester schemat ic previously published col umn asked give him call ever Tucson Well Air Force sent Tucson gave David call turns Out proprietor Mexican restaurant called La Casita de Molina made arrangements meet him restaurant following eve ning arrived greeted took side room large table large partially finished RC airplane Shortly joined several club members names remember Galen Williams Dan Tom xxx Bear Behr great time eating food excellent talking about RC un til almost midnight despite never having met before best business trips Ive because RC fliers made special youre Tucson stop La Casita de Molina West Va lencia tell very large tall broad Mex ican owner youre RC flierand watch what happens RC Giant Scale/de Vries Continued page 57 Escondido CA 92025 will get copy Vol ume IV Got Scale sox knocked completely off re cently copy latest issue Radio Con trol Scale Aircraft arrived mailbox courtesy Editor Dave Boddington Jolly Olde England Dave people put together RCSA really know Published quarterly latest copy de voted Albatros DVa included set full-sized plans 60-powered version German WW 1 fighter An article quarterscale example same bird plans avail able included plus articles Spandau ma chine guns drawings others concerned WW 1 lozenge camouflage thing Albatros enough documentation magazine youre interested seeing Scale mag azine should put together check peo ple Argus Specialist Publications PO Box 35 Wolsey House Wolsey Road Hemel Hemp stead Herts HP2 4SS England An airmail letterless ly costs 45 cents Blighty Emil Neeleys latest Ikon NWest includes sporty Stinson SR-8 Gullwing -scale 100-in span Supertigre 2500s Sperry Mes senger biplane post-WW tiny biplane youve aching build either Giant form drop Emil line PO Box 306 Post Falls ID 83854 Weve some inquiries about miniature electric motors planetary reduction gears Bill Sheaves using Giant Scale B-t7 retracts Theyre available Edmunds Scien tific Co carry stock number 36837 Price less 10 bucks per RC Pylon Racing/Hager Continued page 58 similar capability depending piloting types missing small big Enyas Hope see what can also future Lets see Enya lovers wanting experiment fa vorite engineor place once-noncompetitive serviceremember have till roughly next June before possible prop changes may nounced old Saito Enyas like unload ing allowed smaller 135-in props may some sleepers out same token brand engine/prop looks like runaway IT WILL BE LOADED DOWN MORE next prop cy cle engine/prop rulings along air craft similarity designs built have fast flown well should help make enjoying sport easier 12 engine approved has chance win now no need hold back joining and/or racing just because dont know engine competitive Formula 120 intended flying event founders looks prop-loading rule will help keep regardless what market manufacturers engine availability rela tive power future F-120 Event Summary Engines Props Approved 1989/1990 propellers 10-in pitch Engine Conley 12 Enya 120 Enya 120 R OS FS 120 OS Surpass Saito Fa 120 Saito Fa 120 5 Prop Diam 145 135 145 140 150 135 145 quiet challenge may become vogue AMA Pattern encouraging its competitors get below 98 dBA bonus points below number NMPRA mentioned noise its De July 1989 151