NO OCR TEXT NO OCR TEXT Authors inverted K&B 21 engIne rear-mounted muffler tucks neatly out sight underneath cowling use engine side-mounted muffler youll have cut away portions F-2 get needed clearance See text muffler mods K&B 21 THIS IS CLASSIC RACER Golden Age Air Racing Clean lines streamlining made competitive other racers its day twice power one-fifth scale still small model designed 20-25 cu engines us building flying model airplanes way studying preserving aviation history aircraft people involved pio neer aviation well known still contributed modem aviation bravery pilots strapped themselves machines just chalk lines floor three months earlier needs remembered Air racing quickly changed military airplanes bi planes all-metal monoplanes double speed technology became very important thrown World War II shortly thereafter have heard Gee Bee racers Mr Mulligan some other planes won Thompson Bendix National Air Races unlimited air races equal stature todays Indianapolis 500 auto racing Also national event least dozen other races smaller displacement classes races included straight line city-tocity dashes pylon races Some early racer-builders Ben Howard Art Chester Steve Wittman Clayton Folkerts Keith Rider Eldon Cessna Gordon Israel Lawrence Brown Lawrence Brown famous B-2 Miss Los Angeles built first racer another pilot Lee Miles Miles-At wood Special named its pilot its sponsor built first raced 1933 petite plane wingspan 16 feet fuselage built con ventional welded steel tubing covered wood stringers fabric wing made spruce spars plywood ribs covered fabric braced wire support Power Menasco C45 four-cylinder engine 363 cu displacement producing 185 hp 1933 Miles-Atwood Special raced #6 wheel pants spinner took two firsts two thirds fourth two fifths National Air Races Planes qualifying 375 cu class races could also fly under 550 1000 cu races Thompson Top speed Miles-Atwood Special 1933 17014 mph around pylons 21064 mph dashes Jimmy Wedell won Thompson year 985 cu Wedell-Williams racer 23795 mph 1934 Miles-Atwood Special given wheel pants spinner close fitting cowl painted all-green new race number four Pan Am Races New Orleans year little green racer won three firsts 375 cu class 1934 National Air Races Cleveland Miles-Atwood Special won six firsts third fourth Top speed up 206 mph around pylons 23344 mph Shell-sponsored dashes Lee Miles entered Miles-Atwood Special Thompson Trophy Race 24 Model Aviation plenty room fuselage radio switch servos mounted 1/o-ln ply crosspleces switch pull 045 wire slipped 1/1 6-in hole switch Servo grommets keep wire switch pushrods 1/4 sq balsa ins aimeron servo us insisiwo numS made mount screwed down 1/a ply strips glued Intothewing Thetwo 1/1 6wire pushrods cievis rod soldered short length 3/16 brass tubing set decals available author text has address price help finish model isnt necessary desirable detail plane hilt though As author says Its Sunday Scale really Intended use competition fun flying along Roy Minor Miss Los Angeles Art Chester Jeep Rodger Don Rae Keith Rider Harold Neuman Ben Howards Ike Roscoe Turner Doug Davis J Worthen latter three flying Wedell-Williams racers very large engines Miles-Atwood Special engine problems start failed finish other Brown racer Miss Los Angeles finished second behind Roscoe Turner Miles-Atwood Spe cial also won Greve race 1934 engines less 550 cu Miles-Atwood Special small light highly streamlined reached its peak 1934 1935 aircraft appearing cantilever wings retrac table landing gears spelling end wire-braced fixed-gear era model very small 1/5-scale still has very large fuselage scale wingspan 39 inches originally planned build scale-size wing after completing basic fuselage struc ture could predict finished weight would around four pounds Consequently kept fuselage scale dimensions stretched wing 45 inches keep wing loading within reasonable limits wing still looks small overall appearance has suffered opinion Instead being beast might have scale-size wing model pleasure fly K&B 21 engine works perfectly design rear-exhaust muffler dumps cavernous cowl does need further extensions did reverse outlets would point down ward Just redrill 1/16 bit tap 2-56 setscrews engine fantastic hauls four-pound model around authority K&B 21 starts easily will idle forever inverted model flies fast fully aerobatic very smooth gentle call type model Sunday Scale detailed really enough compe tition instead should flown regularly would Kadet Kaos Falcon etc decide build model order 1934-37 Miles-Atwood Special threeview drawing Hirsch Repla-Tech International two photographs cluded package will help visu alize some details plan another excellent photograph Miles-Atwood Special #4 Reed September 1985 25 Nheei pants made balsa piy Nood covered Solartex Auto body spot putty used smooth out seams Collars side wheels sre accessible slots bottom rwo 4-40 x 1/4-ln bolts screwed blind iutsand brass strap hold wheel pants Remove nose oioc access engine glow plug 15 ut wire soldered 1/o-in wheel collar glow plug another wire hooked engine bolt Both wires fuel lines can stick out scale exhaust ports Though shown needle valve adjusted through hole nose block Du-Bro bali-tip Alien wrench head Allen-head screw soldered wheel collar needle valve Author pics Left Simple surface detailing Wiiiiams Bros pilot figure add resilam Rivets littie dots 5-mm epoxy appiied tooth pick before painting Littie rigging reinforcements 1/64 piy panci under cockpit fiange scoop cut 3 x 5 f lie cards Right pilot figure turned siightiy pliot appears looking camera Hoie headrest checking control cables Wing wires left off modei flying taii brace wires remain piace extra support Kinerts Racing Planes Air Races Vol III available Aero Publishers Inc Falibrook CA Construction built fuselage first Make two 3/32 balsa fuselage sides add 1/32 plywood doublers Mount engine onto firewall set blind nuts Drill holes throttle fuel lines use engine side-mounted muffler angle engine muffler outlet will miss firewall Glue F-4 F-6 between fuselage sides Epoxy firewall place pull tail together Glue F-2 cockpit floor F-5 through F-b Plank top forward fuselage -in balsa strips step goes quickly using Zap cyanoacrylate CyA used Zap CA construc tion except epoxy around firewall landing gear blocks joining wing panels bottom strip forward planking 3/16 x -in strip glued over fuselage sides Behind strip planking ends awkwardly top Posing Lawrence Brown racer author Fred Reese Aithough modei fairiy smali 1/5-scale except stretched wingspan bring wing load ing useful figure Fred says itfiles great despite some eariy probiems 26 Model Aviation Left Taii surfaces solid 3/16 sheet baisa ironed-on strips covering materisi simuiste ribs rigging 1 O-ib-test monofilament ends crimped aluminum tubing Loops 1/32 wire Zapped hoies through vertlcai fin stabiiizer Right Front view shows finished nose biock piace iittie side bump scaie prop shouid 14 flies 8-6 Cioth-wrapped baisa fairings around anding gear wire scaie did airpianes back days Thirties 1/64 PLY BOW CANOPY JUNCTION 1/16 X 1/8 I/B BALSA 7 7 77 1/16 X /4 STRINGERS ATh LJ3/16 BALSA 3/32 TAPE OR STRIPS OF COVERING TV SIM ULATE RIBS ON STAB AND RUDDER VS X 1/2 BALSA PLANKING BALSA SIDE I/B PLY 1/16 BALSA KG B 21 ENGINE SHOWN WITH THE MUFFLER OUTLETS REVERSED TO EXHAUST DOWNWARD INTO COWL 2 1/2 CB SPINNER 7 - 1/4 X 1/2 BALSA f HOLLOW BALSA BLOCK COWL TO CLEAR ENGINE 1 f2 1/64 OR 1/32 PLY 1/32 PLY 5/32 WIRE A COVERS WRAP WITH COVERING BRASS CLIP BOLTS BALSA CENTER I/B PLY / U 7 / 7 7/i 1/4 X 3/4 BALSA -3/16 BALSA 2 I/2 WHEELS SPRUCE SPARS MILES & ATWOOD SPECIAL BY FRED REESE MA 7/ 3/8 SHEET Left fuselage built 3/32 balsa sides 1/32 ply doublers forward top planked Vs x -in strips Stringers dif ferent depths give fuselage sides rounded shape stage author notes fuselage seems huge Right Wing panels built shaped sanded one-piece unit ailerons cutaway Leave off thetwo inner ribs until after joining panels LIttle blocks top spars rigging hooks Make sure servo-belicrank pushrods /4 longer wing center section fuselage sides no gluing surface bridged strip 3/32 sq rudder needs platform top fuselage sides Glue 3/32 sheet cross grained F-b tail Glue rudder tail post Glue some lsa around stabilizer slot provide surface covering same pushrod exits full-size Miles-Atwood Special cooling air exited rear cowl sides bottom simulate exit sides piece -in balsa glued sides ahead side string ers ending just inside cowl edge side stringers taper -in sheet -in sheet tapers sides cre ating slot finished model Epoxy -in ply wing hold-down block behind F-6 add F-l 5 Glue top bottom side stringers Glue 1/32 ply tank floor between F2 F-3 block wood forms back scoop left side fuselage behind cockpit must shaped falr side cockpit string ers Think piece thin aluminum screwed down over stringers Glue scoop after covering Glue 3/32 sheet stabilizer prepare fuselage covering Build wing panel complete ailerons one-piece unit until after shaping cut away ailerons Taper spars evenly top bottom full depth W-7 Shim up spars plan glue ribs except W-2 W-3 Glue leading edge aileron framing trailing edge wing tips Add aileron ribs carve shape leading edge tips etc use razor plane large coarse sanding block Glue belicrank mounts install belicranks pushrods Cut servo-bellcrank pushrods er wing center two wires will overlap other some scrap -in blocks top spars 1/32 wire U rigging hooks first step building wing center section glue spar sections between two W- lOs Glue four W-l ribs over spars two outer W-ls fill bottom 1/16 sheeting Epoxy-glue place Sig hardwood landing gear blocks W-9 Glue leading edge trailing edge top sheeting leaving cutout servo Join wing panels epoxy blocking up wing tip 1 Glue W-2 W-3 ribs Make 1/16 ply templates shown plan making false ribs cutting guide other width gauge Glue up strip 1 x 16-in balsa grain crosswise sharp X Acto knife slice off 56 little ribs Zap wing Surprisingly really doesnt take much time isnt hard Fit fuselage wing install leading edge dowel fit hole F-4 used Solartex covering wanted fabric texture show However filled weave primer coat top front fuselage planked aluminum full-size aircraft Solartex other similar iron-on fabric coverings incredibly easy use readily accept sprayed-on finishes dont try brushing Cover wing fuselage up cowl Align wing fuselage hold place pins glue F-14 wing Glue balsa block wing bolt shape line up F-iS Drill through block F-14 F-15 ply hold-down fuselage 3/16in drill bit Follow drill -20 tap Remove wing drill out wing block -in drill countersink 28 Model Aviation False ribs sliced long strip cross-grained balsa using plywood template depth gauge plan Zapped place against leading edge spar give impressive appearance doing work isntdifflcult Bottom view aileron belicrank linkage 1/2A control horns attached Vs ply plates ailerons two No 2 sheet metal screws Its simple neat I 101115 EASSAf 15105 BALSA AIAPBALSA / CSAICBtiEIONm ___ LEEfLAFFS SOS BABEL- CS FLA BEESEAL MASSE B 9 IA---~ SCBBMSSdIE 1E 1Lt1 0__ II AJHH -S- IH-It ___-5]_ _BAAM-3 MBMOMS_513ACS ItBKCAIIEI1EI NI___ ______________________ -II AMABOSTOBHJ -1--~C-A--a _ 00 SCj m N7fZii77 PLOCESAC CABL ALOE SE POSESCOP ClEW F-IAS5 FBSEAF PASSION ACCS BALSA 5A CA BANNER~1TiThKLAASS9SAMAMOEB 0 ICEAMIflEPLC &SEO 0 Model ACiEtioR LW BR*N AJRCRAFT Co MILEs-ATWOOD SPECIAL t9t5 CSESA Fiifl-I!I---\r 1i]~HAILEECAHhL frASBAL4CAIIVK I 1 C CD cn Sc 0 CD U CD CD go CD -b C KASS BSSED AMA AB9 SECALS SPAS 1T t head Screw wing down tightly -20 nylon bolt Bend 5/32-in landing gear wires secure slotted gear blocks metal landing gear straps screws Bind landing gear wires together cop per wire solder As solder slip little 1/32 wire U side rigging Glue F-li F-12 F-i3 bottom stringers line up aft stringers Add 3/32 sheeting between F-i 1 leading edge Cover bottom wing center section sides forward cowl need little structure underneath plywood glued piece long edge 3/16 x -in planking along bottom fuselage side provide gluing edge forthe plywood glued three vertical formers between anded give curved contour sides bottom ostly sanded off plywood cowl must glued along bottom edge fuselage side used 1/64 ply cowl ended up covering glass cloth Ifyouused 1/32 ply wouldnt have glass outside grain plywood must same direction fuselage order bend easily around F-2 Make cardboard cowl pattern using plan pattern guide check its fit fuselage Compare side view plan Cut out cowl plywood glue fuselage Sand 3/16 x -in planking fair cowl Cover top fuselage F-2 back down cowl edge Zap edges covering around cowl will lift later Cut nose block rough shape drill two -in holes hollow -in dowels mounting bolts Drill -in dowel -in bit glue two dowels nose block flush back block Hold block position fuselage drill through dowel F-2 -in bit top bottom Enlarge holes F-2 5/32 drill install two 4-40 blind nuts epoxy Bolt block place two 4-40 x 1-in bolts finish shaping nose block removable portion cowl 2 deep exposes engine Rather unbolt engine mount re moval unbolt mount firewall Cut away portions F-2 as-needed clear muffler engine plan shows cut-away material rear-mounted muffler K&B 21 Fit F-i nose block 1/16-in gap between spinner F-i Drill -in hole clear mounting screw glue F-i nose block Cut cooling duct front cowl aim airflow engine head cylinder 3/16-in holes similarly directed Coat inside nose block cowl epoxy resin thoroughly seal wood wheel pants balsa-and-plywood sandwiches inner slotted bottom pant 5/32-in wheel collars outer layer slotted top 5/32 wire landing gear wheel collars strut slots position wheel pants need straps screws hold firmly Glue balsa fairings wire gear legs wrap covering material Primer-coat bare wood paint model after sanding used Aerogloss dope Cessna Green available spray cans Sigs Supercoat Brite Green Pactra Formula U Jungle Green could also used paints should sprayed obtain finish masked painted numbers lettering model subse quently have decals made now offer sale price decals $700 Send check money order Fred Reese PO Box 2517 Jackson WY 83001 rivets made epoxy applied toothpick photographed model wire rigging shown plans except tail wires dont fly used monofilarnent line 3/16-in lengths 3/32-in aluminum tubing crimped over loops end top wing flying wires secured through fuselage rub berbands little wire S-hooks Flying Let say first MilesAtwood Special model flies nicely has no bad habits However thats say first day flying went just way wished just days everything seemed go wrong Conse quently let friend Dennis Carison make first test hop Dennis flies lot different airplanes good Dennis took off easily little green airplane zipped around sky said flies nicely handed transmitter right Continued page 115 30 Model Aviation join wing panels center section wIth epoxy glue Fred used balsa spars Wing center section showing W-9 W-1 0 recommends use spruce extra strength much weight penalty ply dihedral joiners Outer ribs 1/8 ply take landing gear loads forward gear block sandwiched between W-9 Wi0 Coverthewing fuselageafterfitting together install nylon wing mounting bolt Bend wire landing gear install slotted blocks metal straps screws Solder wires together add F-i 1 -12 -13 stringers Balsa 3/32 sheet fills gap between F-il wing LE Note sub-structure cowl sides model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115 rNew UMSM Modelibau Belneke superb line German sailpianes leading edge technology throughout Beautiful fiberglass sa*ided obechi covered flying surfaces Super quality control housings almost fall together reasonably oriced 629 sq in/area 1600g 36 lbs ld fast slone/thermal shin Dingo 2600mm 100 span Eppler 374 airfoil 1700g 138 lbsl F3b slose racer 468 sq in/area 1300g 28 lbs beautiful scale ship cortlna4000mm l]5l spOn HitzsirToil ivon sq in/area 3300g 7 3 lbs stic 4-meter scalelike breathtaking beauty Schwalbenofshown2-meterspanEpplnr l6dairfoil 561 sq wlarea 1200g 26 lbs -pylon wing mount slope rocketship cliff Hawk piope i-an versions iwo designs iled sloper Shown conventional-tailed F3b-typn Slope 2300mm 90 span Eppler 178 airfoil 561 sq 1400g 31 lbs F3b-type 2700mm 106 HQ 25/8 airfoil 749 sq approx 60 oz er should blazer hill F3b version quotes numbers like current world champion F3b sailplanes Call Wilshire latest sailplanes electric flight equipment ship over worldl wilshire model center 2836 Santa Monica Blvd Santa Monica CA 90404 213 828-9362w Littlest Miracle Workshop PR1001 SUITABLE FOR ALL HOBBIES AND CRAFTS Makers of. Mini-Glue Tips Stray- Tray Tee Bar Mini-Saw juff-Stuff & Jewel Stripes Miles-Atwood/Reese Continued page 115 Dennis said Something really wrong holding full right rudder almost full right aileron just maintain level flight Somehow Dennis got airplane back down unhurtwhich considerable feat throttle stuck fly out full tank fuel ground discovered spars right wing cracked crash fully broken air could hear flutter covering miraculously held wing together After rep airing wing airplane still turned left knew wing twisted repair hard eyeball real difference taped sticks too inconclusive Frustrated bought Robart Incidence Meter measured twist little gadget magic accurate less wing washed-out 1 right wing washed-in 10 difference 3/16 per side based 9in chord used hair dryer twisted right wing until covering set too 1 washout match left side setup needed once again have nice-flying Sunday Scale airplane Radio Technique/Myers Continued page 34 arrived 944 left 955 prob able cause interference ThirdOrder Intermodulation aggravated fact late arrival Station No 1 AM set data tells what test setup will prove/disprove George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Cant Buy Skill traded old transmitter Thou ght new would give some breaks isnt kindlier makes same mistakes RC Soaring/Pruss Continued page 45 Bird/Australia Bame Reagan right behind 98 points landing score averages indicate great consistency can taken what worth remembering F3B landing tapes divided five-pointper-meter increments Again glance. Decker Blan chard two top 10 perfect 600/100 scores'Bird five out seven 100-point landings Bame four out seven like play around numbers no doubt will come up few what ifs note may want look back final results listed last month see what final placings would no throwaway round provision rules results surprising reflect biggest change results both individual placings team standings five F3B World Championships anyone has complaints about performance early portions World Championships complaints can probably attributed Wall week before its calm air no doubt lulled few folks expecting near-ideal conditions event Couple same type practice conditions back home few 25-mile-an-hour wall first day meet mental barrier some British claimed weather secret weaponand brought complaint thought would six-round championship therefore weather left home day too early Plustask three-view drawing month Dave Worralls Plustask plane flew within percentage point first place F3B World Championships year Interesting Lou Roberts features include one-piece wing full118 Model Aviation $235 repi strips$ 155 Add 20% postage Send 25C catalog_______ APPLIED DESIGN CORP 138 Penn Street El Segundo CA 90245 q 0 v in OOiiuai great flyer
Edition: Model Aviation - 1985/09
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 115, 118
NO OCR TEXT NO OCR TEXT Authors inverted K&B 21 engIne rear-mounted muffler tucks neatly out sight underneath cowling use engine side-mounted muffler youll have cut away portions F-2 get needed clearance See text muffler mods K&B 21 THIS IS CLASSIC RACER Golden Age Air Racing Clean lines streamlining made competitive other racers its day twice power one-fifth scale still small model designed 20-25 cu engines us building flying model airplanes way studying preserving aviation history aircraft people involved pio neer aviation well known still contributed modem aviation bravery pilots strapped themselves machines just chalk lines floor three months earlier needs remembered Air racing quickly changed military airplanes bi planes all-metal monoplanes double speed technology became very important thrown World War II shortly thereafter have heard Gee Bee racers Mr Mulligan some other planes won Thompson Bendix National Air Races unlimited air races equal stature todays Indianapolis 500 auto racing Also national event least dozen other races smaller displacement classes races included straight line city-tocity dashes pylon races Some early racer-builders Ben Howard Art Chester Steve Wittman Clayton Folkerts Keith Rider Eldon Cessna Gordon Israel Lawrence Brown Lawrence Brown famous B-2 Miss Los Angeles built first racer another pilot Lee Miles Miles-At wood Special named its pilot its sponsor built first raced 1933 petite plane wingspan 16 feet fuselage built con ventional welded steel tubing covered wood stringers fabric wing made spruce spars plywood ribs covered fabric braced wire support Power Menasco C45 four-cylinder engine 363 cu displacement producing 185 hp 1933 Miles-Atwood Special raced #6 wheel pants spinner took two firsts two thirds fourth two fifths National Air Races Planes qualifying 375 cu class races could also fly under 550 1000 cu races Thompson Top speed Miles-Atwood Special 1933 17014 mph around pylons 21064 mph dashes Jimmy Wedell won Thompson year 985 cu Wedell-Williams racer 23795 mph 1934 Miles-Atwood Special given wheel pants spinner close fitting cowl painted all-green new race number four Pan Am Races New Orleans year little green racer won three firsts 375 cu class 1934 National Air Races Cleveland Miles-Atwood Special won six firsts third fourth Top speed up 206 mph around pylons 23344 mph Shell-sponsored dashes Lee Miles entered Miles-Atwood Special Thompson Trophy Race 24 Model Aviation plenty room fuselage radio switch servos mounted 1/o-ln ply crosspleces switch pull 045 wire slipped 1/1 6-in hole switch Servo grommets keep wire switch pushrods 1/4 sq balsa ins aimeron servo us insisiwo numS made mount screwed down 1/a ply strips glued Intothewing Thetwo 1/1 6wire pushrods cievis rod soldered short length 3/16 brass tubing set decals available author text has address price help finish model isnt necessary desirable detail plane hilt though As author says Its Sunday Scale really Intended use competition fun flying along Roy Minor Miss Los Angeles Art Chester Jeep Rodger Don Rae Keith Rider Harold Neuman Ben Howards Ike Roscoe Turner Doug Davis J Worthen latter three flying Wedell-Williams racers very large engines Miles-Atwood Special engine problems start failed finish other Brown racer Miss Los Angeles finished second behind Roscoe Turner Miles-Atwood Spe cial also won Greve race 1934 engines less 550 cu Miles-Atwood Special small light highly streamlined reached its peak 1934 1935 aircraft appearing cantilever wings retrac table landing gears spelling end wire-braced fixed-gear era model very small 1/5-scale still has very large fuselage scale wingspan 39 inches originally planned build scale-size wing after completing basic fuselage struc ture could predict finished weight would around four pounds Consequently kept fuselage scale dimensions stretched wing 45 inches keep wing loading within reasonable limits wing still looks small overall appearance has suffered opinion Instead being beast might have scale-size wing model pleasure fly K&B 21 engine works perfectly design rear-exhaust muffler dumps cavernous cowl does need further extensions did reverse outlets would point down ward Just redrill 1/16 bit tap 2-56 setscrews engine fantastic hauls four-pound model around authority K&B 21 starts easily will idle forever inverted model flies fast fully aerobatic very smooth gentle call type model Sunday Scale detailed really enough compe tition instead should flown regularly would Kadet Kaos Falcon etc decide build model order 1934-37 Miles-Atwood Special threeview drawing Hirsch Repla-Tech International two photographs cluded package will help visu alize some details plan another excellent photograph Miles-Atwood Special #4 Reed September 1985 25 Nheei pants made balsa piy Nood covered Solartex Auto body spot putty used smooth out seams Collars side wheels sre accessible slots bottom rwo 4-40 x 1/4-ln bolts screwed blind iutsand brass strap hold wheel pants Remove nose oioc access engine glow plug 15 ut wire soldered 1/o-in wheel collar glow plug another wire hooked engine bolt Both wires fuel lines can stick out scale exhaust ports Though shown needle valve adjusted through hole nose block Du-Bro bali-tip Alien wrench head Allen-head screw soldered wheel collar needle valve Author pics Left Simple surface detailing Wiiiiams Bros pilot figure add resilam Rivets littie dots 5-mm epoxy appiied tooth pick before painting Littie rigging reinforcements 1/64 piy panci under cockpit fiange scoop cut 3 x 5 f lie cards Right pilot figure turned siightiy pliot appears looking camera Hoie headrest checking control cables Wing wires left off modei flying taii brace wires remain piace extra support Kinerts Racing Planes Air Races Vol III available Aero Publishers Inc Falibrook CA Construction built fuselage first Make two 3/32 balsa fuselage sides add 1/32 plywood doublers Mount engine onto firewall set blind nuts Drill holes throttle fuel lines use engine side-mounted muffler angle engine muffler outlet will miss firewall Glue F-4 F-6 between fuselage sides Epoxy firewall place pull tail together Glue F-2 cockpit floor F-5 through F-b Plank top forward fuselage -in balsa strips step goes quickly using Zap cyanoacrylate CyA used Zap CA construc tion except epoxy around firewall landing gear blocks joining wing panels bottom strip forward planking 3/16 x -in strip glued over fuselage sides Behind strip planking ends awkwardly top Posing Lawrence Brown racer author Fred Reese Aithough modei fairiy smali 1/5-scale except stretched wingspan bring wing load ing useful figure Fred says itfiles great despite some eariy probiems 26 Model Aviation Left Taii surfaces solid 3/16 sheet baisa ironed-on strips covering materisi simuiste ribs rigging 1 O-ib-test monofilament ends crimped aluminum tubing Loops 1/32 wire Zapped hoies through vertlcai fin stabiiizer Right Front view shows finished nose biock piace iittie side bump scaie prop shouid 14 flies 8-6 Cioth-wrapped baisa fairings around anding gear wire scaie did airpianes back days Thirties 1/64 PLY BOW CANOPY JUNCTION 1/16 X 1/8 I/B BALSA 7 7 77 1/16 X /4 STRINGERS ATh LJ3/16 BALSA 3/32 TAPE OR STRIPS OF COVERING TV SIM ULATE RIBS ON STAB AND RUDDER VS X 1/2 BALSA PLANKING BALSA SIDE I/B PLY 1/16 BALSA KG B 21 ENGINE SHOWN WITH THE MUFFLER OUTLETS REVERSED TO EXHAUST DOWNWARD INTO COWL 2 1/2 CB SPINNER 7 - 1/4 X 1/2 BALSA f HOLLOW BALSA BLOCK COWL TO CLEAR ENGINE 1 f2 1/64 OR 1/32 PLY 1/32 PLY 5/32 WIRE A COVERS WRAP WITH COVERING BRASS CLIP BOLTS BALSA CENTER I/B PLY / U 7 / 7 7/i 1/4 X 3/4 BALSA -3/16 BALSA 2 I/2 WHEELS SPRUCE SPARS MILES & ATWOOD SPECIAL BY FRED REESE MA 7/ 3/8 SHEET Left fuselage built 3/32 balsa sides 1/32 ply doublers forward top planked Vs x -in strips Stringers dif ferent depths give fuselage sides rounded shape stage author notes fuselage seems huge Right Wing panels built shaped sanded one-piece unit ailerons cutaway Leave off thetwo inner ribs until after joining panels LIttle blocks top spars rigging hooks Make sure servo-belicrank pushrods /4 longer wing center section fuselage sides no gluing surface bridged strip 3/32 sq rudder needs platform top fuselage sides Glue 3/32 sheet cross grained F-b tail Glue rudder tail post Glue some lsa around stabilizer slot provide surface covering same pushrod exits full-size Miles-Atwood Special cooling air exited rear cowl sides bottom simulate exit sides piece -in balsa glued sides ahead side string ers ending just inside cowl edge side stringers taper -in sheet -in sheet tapers sides cre ating slot finished model Epoxy -in ply wing hold-down block behind F-6 add F-l 5 Glue top bottom side stringers Glue 1/32 ply tank floor between F2 F-3 block wood forms back scoop left side fuselage behind cockpit must shaped falr side cockpit string ers Think piece thin aluminum screwed down over stringers Glue scoop after covering Glue 3/32 sheet stabilizer prepare fuselage covering Build wing panel complete ailerons one-piece unit until after shaping cut away ailerons Taper spars evenly top bottom full depth W-7 Shim up spars plan glue ribs except W-2 W-3 Glue leading edge aileron framing trailing edge wing tips Add aileron ribs carve shape leading edge tips etc use razor plane large coarse sanding block Glue belicrank mounts install belicranks pushrods Cut servo-bellcrank pushrods er wing center two wires will overlap other some scrap -in blocks top spars 1/32 wire U rigging hooks first step building wing center section glue spar sections between two W- lOs Glue four W-l ribs over spars two outer W-ls fill bottom 1/16 sheeting Epoxy-glue place Sig hardwood landing gear blocks W-9 Glue leading edge trailing edge top sheeting leaving cutout servo Join wing panels epoxy blocking up wing tip 1 Glue W-2 W-3 ribs Make 1/16 ply templates shown plan making false ribs cutting guide other width gauge Glue up strip 1 x 16-in balsa grain crosswise sharp X Acto knife slice off 56 little ribs Zap wing Surprisingly really doesnt take much time isnt hard Fit fuselage wing install leading edge dowel fit hole F-4 used Solartex covering wanted fabric texture show However filled weave primer coat top front fuselage planked aluminum full-size aircraft Solartex other similar iron-on fabric coverings incredibly easy use readily accept sprayed-on finishes dont try brushing Cover wing fuselage up cowl Align wing fuselage hold place pins glue F-14 wing Glue balsa block wing bolt shape line up F-iS Drill through block F-14 F-15 ply hold-down fuselage 3/16in drill bit Follow drill -20 tap Remove wing drill out wing block -in drill countersink 28 Model Aviation False ribs sliced long strip cross-grained balsa using plywood template depth gauge plan Zapped place against leading edge spar give impressive appearance doing work isntdifflcult Bottom view aileron belicrank linkage 1/2A control horns attached Vs ply plates ailerons two No 2 sheet metal screws Its simple neat I 101115 EASSAf 15105 BALSA AIAPBALSA / CSAICBtiEIONm ___ LEEfLAFFS SOS BABEL- CS FLA BEESEAL MASSE B 9 IA---~ SCBBMSSdIE 1E 1Lt1 0__ II AJHH -S- IH-It ___-5]_ _BAAM-3 MBMOMS_513ACS ItBKCAIIEI1EI NI___ ______________________ -II AMABOSTOBHJ -1--~C-A--a _ 00 SCj m N7fZii77 PLOCESAC CABL ALOE SE POSESCOP ClEW F-IAS5 FBSEAF PASSION ACCS BALSA 5A CA BANNER~1TiThKLAASS9SAMAMOEB 0 ICEAMIflEPLC &SEO 0 Model ACiEtioR LW BR*N AJRCRAFT Co MILEs-ATWOOD SPECIAL t9t5 CSESA Fiifl-I!I---\r 1i]~HAILEECAHhL frASBAL4CAIIVK I 1 C CD cn Sc 0 CD U CD CD go CD -b C KASS BSSED AMA AB9 SECALS SPAS 1T t head Screw wing down tightly -20 nylon bolt Bend 5/32-in landing gear wires secure slotted gear blocks metal landing gear straps screws Bind landing gear wires together cop per wire solder As solder slip little 1/32 wire U side rigging Glue F-li F-12 F-i3 bottom stringers line up aft stringers Add 3/32 sheeting between F-i 1 leading edge Cover bottom wing center section sides forward cowl need little structure underneath plywood glued piece long edge 3/16 x -in planking along bottom fuselage side provide gluing edge forthe plywood glued three vertical formers between anded give curved contour sides bottom ostly sanded off plywood cowl must glued along bottom edge fuselage side used 1/64 ply cowl ended up covering glass cloth Ifyouused 1/32 ply wouldnt have glass outside grain plywood must same direction fuselage order bend easily around F-2 Make cardboard cowl pattern using plan pattern guide check its fit fuselage Compare side view plan Cut out cowl plywood glue fuselage Sand 3/16 x -in planking fair cowl Cover top fuselage F-2 back down cowl edge Zap edges covering around cowl will lift later Cut nose block rough shape drill two -in holes hollow -in dowels mounting bolts Drill -in dowel -in bit glue two dowels nose block flush back block Hold block position fuselage drill through dowel F-2 -in bit top bottom Enlarge holes F-2 5/32 drill install two 4-40 blind nuts epoxy Bolt block place two 4-40 x 1-in bolts finish shaping nose block removable portion cowl 2 deep exposes engine Rather unbolt engine mount re moval unbolt mount firewall Cut away portions F-2 as-needed clear muffler engine plan shows cut-away material rear-mounted muffler K&B 21 Fit F-i nose block 1/16-in gap between spinner F-i Drill -in hole clear mounting screw glue F-i nose block Cut cooling duct front cowl aim airflow engine head cylinder 3/16-in holes similarly directed Coat inside nose block cowl epoxy resin thoroughly seal wood wheel pants balsa-and-plywood sandwiches inner slotted bottom pant 5/32-in wheel collars outer layer slotted top 5/32 wire landing gear wheel collars strut slots position wheel pants need straps screws hold firmly Glue balsa fairings wire gear legs wrap covering material Primer-coat bare wood paint model after sanding used Aerogloss dope Cessna Green available spray cans Sigs Supercoat Brite Green Pactra Formula U Jungle Green could also used paints should sprayed obtain finish masked painted numbers lettering model subse quently have decals made now offer sale price decals $700 Send check money order Fred Reese PO Box 2517 Jackson WY 83001 rivets made epoxy applied toothpick photographed model wire rigging shown plans except tail wires dont fly used monofilarnent line 3/16-in lengths 3/32-in aluminum tubing crimped over loops end top wing flying wires secured through fuselage rub berbands little wire S-hooks Flying Let say first MilesAtwood Special model flies nicely has no bad habits However thats say first day flying went just way wished just days everything seemed go wrong Conse quently let friend Dennis Carison make first test hop Dennis flies lot different airplanes good Dennis took off easily little green airplane zipped around sky said flies nicely handed transmitter right Continued page 115 30 Model Aviation join wing panels center section wIth epoxy glue Fred used balsa spars Wing center section showing W-9 W-1 0 recommends use spruce extra strength much weight penalty ply dihedral joiners Outer ribs 1/8 ply take landing gear loads forward gear block sandwiched between W-9 Wi0 Coverthewing fuselageafterfitting together install nylon wing mounting bolt Bend wire landing gear install slotted blocks metal straps screws Solder wires together add F-i 1 -12 -13 stringers Balsa 3/32 sheet fills gap between F-il wing LE Note sub-structure cowl sides model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115 rNew UMSM Modelibau Belneke superb line German sailpianes leading edge technology throughout Beautiful fiberglass sa*ided obechi covered flying surfaces Super quality control housings almost fall together reasonably oriced 629 sq in/area 1600g 36 lbs ld fast slone/thermal shin Dingo 2600mm 100 span Eppler 374 airfoil 1700g 138 lbsl F3b slose racer 468 sq in/area 1300g 28 lbs beautiful scale ship cortlna4000mm l]5l spOn HitzsirToil ivon sq in/area 3300g 7 3 lbs stic 4-meter scalelike breathtaking beauty Schwalbenofshown2-meterspanEpplnr l6dairfoil 561 sq wlarea 1200g 26 lbs -pylon wing mount slope rocketship cliff Hawk piope i-an versions iwo designs iled sloper Shown conventional-tailed F3b-typn Slope 2300mm 90 span Eppler 178 airfoil 561 sq 1400g 31 lbs F3b-type 2700mm 106 HQ 25/8 airfoil 749 sq approx 60 oz er should blazer hill F3b version quotes numbers like current world champion F3b sailplanes Call Wilshire latest sailplanes electric flight equipment ship over worldl wilshire model center 2836 Santa Monica Blvd Santa Monica CA 90404 213 828-9362w Littlest Miracle Workshop PR1001 SUITABLE FOR ALL HOBBIES AND CRAFTS Makers of. Mini-Glue Tips Stray- Tray Tee Bar Mini-Saw juff-Stuff & Jewel Stripes Miles-Atwood/Reese Continued page 115 Dennis said Something really wrong holding full right rudder almost full right aileron just maintain level flight Somehow Dennis got airplane back down unhurtwhich considerable feat throttle stuck fly out full tank fuel ground discovered spars right wing cracked crash fully broken air could hear flutter covering miraculously held wing together After rep airing wing airplane still turned left knew wing twisted repair hard eyeball real difference taped sticks too inconclusive Frustrated bought Robart Incidence Meter measured twist little gadget magic accurate less wing washed-out 1 right wing washed-in 10 difference 3/16 per side based 9in chord used hair dryer twisted right wing until covering set too 1 washout match left side setup needed once again have nice-flying Sunday Scale airplane Radio Technique/Myers Continued page 34 arrived 944 left 955 prob able cause interference ThirdOrder Intermodulation aggravated fact late arrival Station No 1 AM set data tells what test setup will prove/disprove George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Cant Buy Skill traded old transmitter Thou ght new would give some breaks isnt kindlier makes same mistakes RC Soaring/Pruss Continued page 45 Bird/Australia Bame Reagan right behind 98 points landing score averages indicate great consistency can taken what worth remembering F3B landing tapes divided five-pointper-meter increments Again glance. Decker Blan chard two top 10 perfect 600/100 scores'Bird five out seven 100-point landings Bame four out seven like play around numbers no doubt will come up few what ifs note may want look back final results listed last month see what final placings would no throwaway round provision rules results surprising reflect biggest change results both individual placings team standings five F3B World Championships anyone has complaints about performance early portions World Championships complaints can probably attributed Wall week before its calm air no doubt lulled few folks expecting near-ideal conditions event Couple same type practice conditions back home few 25-mile-an-hour wall first day meet mental barrier some British claimed weather secret weaponand brought complaint thought would six-round championship therefore weather left home day too early Plustask three-view drawing month Dave Worralls Plustask plane flew within percentage point first place F3B World Championships year Interesting Lou Roberts features include one-piece wing full118 Model Aviation $235 repi strips$ 155 Add 20% postage Send 25C catalog_______ APPLIED DESIGN CORP 138 Penn Street El Segundo CA 90245 q 0 v in OOiiuai great flyer
Edition: Model Aviation - 1985/09
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 115, 118
NO OCR TEXT NO OCR TEXT Authors inverted K&B 21 engIne rear-mounted muffler tucks neatly out sight underneath cowling use engine side-mounted muffler youll have cut away portions F-2 get needed clearance See text muffler mods K&B 21 THIS IS CLASSIC RACER Golden Age Air Racing Clean lines streamlining made competitive other racers its day twice power one-fifth scale still small model designed 20-25 cu engines us building flying model airplanes way studying preserving aviation history aircraft people involved pio neer aviation well known still contributed modem aviation bravery pilots strapped themselves machines just chalk lines floor three months earlier needs remembered Air racing quickly changed military airplanes bi planes all-metal monoplanes double speed technology became very important thrown World War II shortly thereafter have heard Gee Bee racers Mr Mulligan some other planes won Thompson Bendix National Air Races unlimited air races equal stature todays Indianapolis 500 auto racing Also national event least dozen other races smaller displacement classes races included straight line city-tocity dashes pylon races Some early racer-builders Ben Howard Art Chester Steve Wittman Clayton Folkerts Keith Rider Eldon Cessna Gordon Israel Lawrence Brown Lawrence Brown famous B-2 Miss Los Angeles built first racer another pilot Lee Miles Miles-At wood Special named its pilot its sponsor built first raced 1933 petite plane wingspan 16 feet fuselage built con ventional welded steel tubing covered wood stringers fabric wing made spruce spars plywood ribs covered fabric braced wire support Power Menasco C45 four-cylinder engine 363 cu displacement producing 185 hp 1933 Miles-Atwood Special raced #6 wheel pants spinner took two firsts two thirds fourth two fifths National Air Races Planes qualifying 375 cu class races could also fly under 550 1000 cu races Thompson Top speed Miles-Atwood Special 1933 17014 mph around pylons 21064 mph dashes Jimmy Wedell won Thompson year 985 cu Wedell-Williams racer 23795 mph 1934 Miles-Atwood Special given wheel pants spinner close fitting cowl painted all-green new race number four Pan Am Races New Orleans year little green racer won three firsts 375 cu class 1934 National Air Races Cleveland Miles-Atwood Special won six firsts third fourth Top speed up 206 mph around pylons 23344 mph Shell-sponsored dashes Lee Miles entered Miles-Atwood Special Thompson Trophy Race 24 Model Aviation plenty room fuselage radio switch servos mounted 1/o-ln ply crosspleces switch pull 045 wire slipped 1/1 6-in hole switch Servo grommets keep wire switch pushrods 1/4 sq balsa ins aimeron servo us insisiwo numS made mount screwed down 1/a ply strips glued Intothewing Thetwo 1/1 6wire pushrods cievis rod soldered short length 3/16 brass tubing set decals available author text has address price help finish model isnt necessary desirable detail plane hilt though As author says Its Sunday Scale really Intended use competition fun flying along Roy Minor Miss Los Angeles Art Chester Jeep Rodger Don Rae Keith Rider Harold Neuman Ben Howards Ike Roscoe Turner Doug Davis J Worthen latter three flying Wedell-Williams racers very large engines Miles-Atwood Special engine problems start failed finish other Brown racer Miss Los Angeles finished second behind Roscoe Turner Miles-Atwood Spe cial also won Greve race 1934 engines less 550 cu Miles-Atwood Special small light highly streamlined reached its peak 1934 1935 aircraft appearing cantilever wings retrac table landing gears spelling end wire-braced fixed-gear era model very small 1/5-scale still has very large fuselage scale wingspan 39 inches originally planned build scale-size wing after completing basic fuselage struc ture could predict finished weight would around four pounds Consequently kept fuselage scale dimensions stretched wing 45 inches keep wing loading within reasonable limits wing still looks small overall appearance has suffered opinion Instead being beast might have scale-size wing model pleasure fly K&B 21 engine works perfectly design rear-exhaust muffler dumps cavernous cowl does need further extensions did reverse outlets would point down ward Just redrill 1/16 bit tap 2-56 setscrews engine fantastic hauls four-pound model around authority K&B 21 starts easily will idle forever inverted model flies fast fully aerobatic very smooth gentle call type model Sunday Scale detailed really enough compe tition instead should flown regularly would Kadet Kaos Falcon etc decide build model order 1934-37 Miles-Atwood Special threeview drawing Hirsch Repla-Tech International two photographs cluded package will help visu alize some details plan another excellent photograph Miles-Atwood Special #4 Reed September 1985 25 Nheei pants made balsa piy Nood covered Solartex Auto body spot putty used smooth out seams Collars side wheels sre accessible slots bottom rwo 4-40 x 1/4-ln bolts screwed blind iutsand brass strap hold wheel pants Remove nose oioc access engine glow plug 15 ut wire soldered 1/o-in wheel collar glow plug another wire hooked engine bolt Both wires fuel lines can stick out scale exhaust ports Though shown needle valve adjusted through hole nose block Du-Bro bali-tip Alien wrench head Allen-head screw soldered wheel collar needle valve Author pics Left Simple surface detailing Wiiiiams Bros pilot figure add resilam Rivets littie dots 5-mm epoxy appiied tooth pick before painting Littie rigging reinforcements 1/64 piy panci under cockpit fiange scoop cut 3 x 5 f lie cards Right pilot figure turned siightiy pliot appears looking camera Hoie headrest checking control cables Wing wires left off modei flying taii brace wires remain piace extra support Kinerts Racing Planes Air Races Vol III available Aero Publishers Inc Falibrook CA Construction built fuselage first Make two 3/32 balsa fuselage sides add 1/32 plywood doublers Mount engine onto firewall set blind nuts Drill holes throttle fuel lines use engine side-mounted muffler angle engine muffler outlet will miss firewall Glue F-4 F-6 between fuselage sides Epoxy firewall place pull tail together Glue F-2 cockpit floor F-5 through F-b Plank top forward fuselage -in balsa strips step goes quickly using Zap cyanoacrylate CyA used Zap CA construc tion except epoxy around firewall landing gear blocks joining wing panels bottom strip forward planking 3/16 x -in strip glued over fuselage sides Behind strip planking ends awkwardly top Posing Lawrence Brown racer author Fred Reese Aithough modei fairiy smali 1/5-scale except stretched wingspan bring wing load ing useful figure Fred says itfiles great despite some eariy probiems 26 Model Aviation Left Taii surfaces solid 3/16 sheet baisa ironed-on strips covering materisi simuiste ribs rigging 1 O-ib-test monofilament ends crimped aluminum tubing Loops 1/32 wire Zapped hoies through vertlcai fin stabiiizer Right Front view shows finished nose biock piace iittie side bump scaie prop shouid 14 flies 8-6 Cioth-wrapped baisa fairings around anding gear wire scaie did airpianes back days Thirties 1/64 PLY BOW CANOPY JUNCTION 1/16 X 1/8 I/B BALSA 7 7 77 1/16 X /4 STRINGERS ATh LJ3/16 BALSA 3/32 TAPE OR STRIPS OF COVERING TV SIM ULATE RIBS ON STAB AND RUDDER VS X 1/2 BALSA PLANKING BALSA SIDE I/B PLY 1/16 BALSA KG B 21 ENGINE SHOWN WITH THE MUFFLER OUTLETS REVERSED TO EXHAUST DOWNWARD INTO COWL 2 1/2 CB SPINNER 7 - 1/4 X 1/2 BALSA f HOLLOW BALSA BLOCK COWL TO CLEAR ENGINE 1 f2 1/64 OR 1/32 PLY 1/32 PLY 5/32 WIRE A COVERS WRAP WITH COVERING BRASS CLIP BOLTS BALSA CENTER I/B PLY / U 7 / 7 7/i 1/4 X 3/4 BALSA -3/16 BALSA 2 I/2 WHEELS SPRUCE SPARS MILES & ATWOOD SPECIAL BY FRED REESE MA 7/ 3/8 SHEET Left fuselage built 3/32 balsa sides 1/32 ply doublers forward top planked Vs x -in strips Stringers dif ferent depths give fuselage sides rounded shape stage author notes fuselage seems huge Right Wing panels built shaped sanded one-piece unit ailerons cutaway Leave off thetwo inner ribs until after joining panels LIttle blocks top spars rigging hooks Make sure servo-belicrank pushrods /4 longer wing center section fuselage sides no gluing surface bridged strip 3/32 sq rudder needs platform top fuselage sides Glue 3/32 sheet cross grained F-b tail Glue rudder tail post Glue some lsa around stabilizer slot provide surface covering same pushrod exits full-size Miles-Atwood Special cooling air exited rear cowl sides bottom simulate exit sides piece -in balsa glued sides ahead side string ers ending just inside cowl edge side stringers taper -in sheet -in sheet tapers sides cre ating slot finished model Epoxy -in ply wing hold-down block behind F-6 add F-l 5 Glue top bottom side stringers Glue 1/32 ply tank floor between F2 F-3 block wood forms back scoop left side fuselage behind cockpit must shaped falr side cockpit string ers Think piece thin aluminum screwed down over stringers Glue scoop after covering Glue 3/32 sheet stabilizer prepare fuselage covering Build wing panel complete ailerons one-piece unit until after shaping cut away ailerons Taper spars evenly top bottom full depth W-7 Shim up spars plan glue ribs except W-2 W-3 Glue leading edge aileron framing trailing edge wing tips Add aileron ribs carve shape leading edge tips etc use razor plane large coarse sanding block Glue belicrank mounts install belicranks pushrods Cut servo-bellcrank pushrods er wing center two wires will overlap other some scrap -in blocks top spars 1/32 wire U rigging hooks first step building wing center section glue spar sections between two W- lOs Glue four W-l ribs over spars two outer W-ls fill bottom 1/16 sheeting Epoxy-glue place Sig hardwood landing gear blocks W-9 Glue leading edge trailing edge top sheeting leaving cutout servo Join wing panels epoxy blocking up wing tip 1 Glue W-2 W-3 ribs Make 1/16 ply templates shown plan making false ribs cutting guide other width gauge Glue up strip 1 x 16-in balsa grain crosswise sharp X Acto knife slice off 56 little ribs Zap wing Surprisingly really doesnt take much time isnt hard Fit fuselage wing install leading edge dowel fit hole F-4 used Solartex covering wanted fabric texture show However filled weave primer coat top front fuselage planked aluminum full-size aircraft Solartex other similar iron-on fabric coverings incredibly easy use readily accept sprayed-on finishes dont try brushing Cover wing fuselage up cowl Align wing fuselage hold place pins glue F-14 wing Glue balsa block wing bolt shape line up F-iS Drill through block F-14 F-15 ply hold-down fuselage 3/16in drill bit Follow drill -20 tap Remove wing drill out wing block -in drill countersink 28 Model Aviation False ribs sliced long strip cross-grained balsa using plywood template depth gauge plan Zapped place against leading edge spar give impressive appearance doing work isntdifflcult Bottom view aileron belicrank linkage 1/2A control horns attached Vs ply plates ailerons two No 2 sheet metal screws Its simple neat I 101115 EASSAf 15105 BALSA AIAPBALSA / CSAICBtiEIONm ___ LEEfLAFFS SOS BABEL- CS FLA BEESEAL MASSE B 9 IA---~ SCBBMSSdIE 1E 1Lt1 0__ II AJHH -S- IH-It ___-5]_ _BAAM-3 MBMOMS_513ACS ItBKCAIIEI1EI NI___ ______________________ -II AMABOSTOBHJ -1--~C-A--a _ 00 SCj m N7fZii77 PLOCESAC CABL ALOE SE POSESCOP ClEW F-IAS5 FBSEAF PASSION ACCS BALSA 5A CA BANNER~1TiThKLAASS9SAMAMOEB 0 ICEAMIflEPLC &SEO 0 Model ACiEtioR LW BR*N AJRCRAFT Co MILEs-ATWOOD SPECIAL t9t5 CSESA Fiifl-I!I---\r 1i]~HAILEECAHhL frASBAL4CAIIVK I 1 C CD cn Sc 0 CD U CD CD go CD -b C KASS BSSED AMA AB9 SECALS SPAS 1T t head Screw wing down tightly -20 nylon bolt Bend 5/32-in landing gear wires secure slotted gear blocks metal landing gear straps screws Bind landing gear wires together cop per wire solder As solder slip little 1/32 wire U side rigging Glue F-li F-12 F-i3 bottom stringers line up aft stringers Add 3/32 sheeting between F-i 1 leading edge Cover bottom wing center section sides forward cowl need little structure underneath plywood glued piece long edge 3/16 x -in planking along bottom fuselage side provide gluing edge forthe plywood glued three vertical formers between anded give curved contour sides bottom ostly sanded off plywood cowl must glued along bottom edge fuselage side used 1/64 ply cowl ended up covering glass cloth Ifyouused 1/32 ply wouldnt have glass outside grain plywood must same direction fuselage order bend easily around F-2 Make cardboard cowl pattern using plan pattern guide check its fit fuselage Compare side view plan Cut out cowl plywood glue fuselage Sand 3/16 x -in planking fair cowl Cover top fuselage F-2 back down cowl edge Zap edges covering around cowl will lift later Cut nose block rough shape drill two -in holes hollow -in dowels mounting bolts Drill -in dowel -in bit glue two dowels nose block flush back block Hold block position fuselage drill through dowel F-2 -in bit top bottom Enlarge holes F-2 5/32 drill install two 4-40 blind nuts epoxy Bolt block place two 4-40 x 1-in bolts finish shaping nose block removable portion cowl 2 deep exposes engine Rather unbolt engine mount re moval unbolt mount firewall Cut away portions F-2 as-needed clear muffler engine plan shows cut-away material rear-mounted muffler K&B 21 Fit F-i nose block 1/16-in gap between spinner F-i Drill -in hole clear mounting screw glue F-i nose block Cut cooling duct front cowl aim airflow engine head cylinder 3/16-in holes similarly directed Coat inside nose block cowl epoxy resin thoroughly seal wood wheel pants balsa-and-plywood sandwiches inner slotted bottom pant 5/32-in wheel collars outer layer slotted top 5/32 wire landing gear wheel collars strut slots position wheel pants need straps screws hold firmly Glue balsa fairings wire gear legs wrap covering material Primer-coat bare wood paint model after sanding used Aerogloss dope Cessna Green available spray cans Sigs Supercoat Brite Green Pactra Formula U Jungle Green could also used paints should sprayed obtain finish masked painted numbers lettering model subse quently have decals made now offer sale price decals $700 Send check money order Fred Reese PO Box 2517 Jackson WY 83001 rivets made epoxy applied toothpick photographed model wire rigging shown plans except tail wires dont fly used monofilarnent line 3/16-in lengths 3/32-in aluminum tubing crimped over loops end top wing flying wires secured through fuselage rub berbands little wire S-hooks Flying Let say first MilesAtwood Special model flies nicely has no bad habits However thats say first day flying went just way wished just days everything seemed go wrong Conse quently let friend Dennis Carison make first test hop Dennis flies lot different airplanes good Dennis took off easily little green airplane zipped around sky said flies nicely handed transmitter right Continued page 115 30 Model Aviation join wing panels center section wIth epoxy glue Fred used balsa spars Wing center section showing W-9 W-1 0 recommends use spruce extra strength much weight penalty ply dihedral joiners Outer ribs 1/8 ply take landing gear loads forward gear block sandwiched between W-9 Wi0 Coverthewing fuselageafterfitting together install nylon wing mounting bolt Bend wire landing gear install slotted blocks metal straps screws Solder wires together add F-i 1 -12 -13 stringers Balsa 3/32 sheet fills gap between F-il wing LE Note sub-structure cowl sides model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115 rNew UMSM Modelibau Belneke superb line German sailpianes leading edge technology throughout Beautiful fiberglass sa*ided obechi covered flying surfaces Super quality control housings almost fall together reasonably oriced 629 sq in/area 1600g 36 lbs ld fast slone/thermal shin Dingo 2600mm 100 span Eppler 374 airfoil 1700g 138 lbsl F3b slose racer 468 sq in/area 1300g 28 lbs beautiful scale ship cortlna4000mm l]5l spOn HitzsirToil ivon sq in/area 3300g 7 3 lbs stic 4-meter scalelike breathtaking beauty Schwalbenofshown2-meterspanEpplnr l6dairfoil 561 sq wlarea 1200g 26 lbs -pylon wing mount slope rocketship cliff Hawk piope i-an versions iwo designs iled sloper Shown conventional-tailed F3b-typn Slope 2300mm 90 span Eppler 178 airfoil 561 sq 1400g 31 lbs F3b-type 2700mm 106 HQ 25/8 airfoil 749 sq approx 60 oz er should blazer hill F3b version quotes numbers like current world champion F3b sailplanes Call Wilshire latest sailplanes electric flight equipment ship over worldl wilshire model center 2836 Santa Monica Blvd Santa Monica CA 90404 213 828-9362w Littlest Miracle Workshop PR1001 SUITABLE FOR ALL HOBBIES AND CRAFTS Makers of. Mini-Glue Tips Stray- Tray Tee Bar Mini-Saw juff-Stuff & Jewel Stripes Miles-Atwood/Reese Continued page 115 Dennis said Something really wrong holding full right rudder almost full right aileron just maintain level flight Somehow Dennis got airplane back down unhurtwhich considerable feat throttle stuck fly out full tank fuel ground discovered spars right wing cracked crash fully broken air could hear flutter covering miraculously held wing together After rep airing wing airplane still turned left knew wing twisted repair hard eyeball real difference taped sticks too inconclusive Frustrated bought Robart Incidence Meter measured twist little gadget magic accurate less wing washed-out 1 right wing washed-in 10 difference 3/16 per side based 9in chord used hair dryer twisted right wing until covering set too 1 washout match left side setup needed once again have nice-flying Sunday Scale airplane Radio Technique/Myers Continued page 34 arrived 944 left 955 prob able cause interference ThirdOrder Intermodulation aggravated fact late arrival Station No 1 AM set data tells what test setup will prove/disprove George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Cant Buy Skill traded old transmitter Thou ght new would give some breaks isnt kindlier makes same mistakes RC Soaring/Pruss Continued page 45 Bird/Australia Bame Reagan right behind 98 points landing score averages indicate great consistency can taken what worth remembering F3B landing tapes divided five-pointper-meter increments Again glance. Decker Blan chard two top 10 perfect 600/100 scores'Bird five out seven 100-point landings Bame four out seven like play around numbers no doubt will come up few what ifs note may want look back final results listed last month see what final placings would no throwaway round provision rules results surprising reflect biggest change results both individual placings team standings five F3B World Championships anyone has complaints about performance early portions World Championships complaints can probably attributed Wall week before its calm air no doubt lulled few folks expecting near-ideal conditions event Couple same type practice conditions back home few 25-mile-an-hour wall first day meet mental barrier some British claimed weather secret weaponand brought complaint thought would six-round championship therefore weather left home day too early Plustask three-view drawing month Dave Worralls Plustask plane flew within percentage point first place F3B World Championships year Interesting Lou Roberts features include one-piece wing full118 Model Aviation $235 repi strips$ 155 Add 20% postage Send 25C catalog_______ APPLIED DESIGN CORP 138 Penn Street El Segundo CA 90245 q 0 v in OOiiuai great flyer
Edition: Model Aviation - 1985/09
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 115, 118
NO OCR TEXT NO OCR TEXT Authors inverted K&B 21 engIne rear-mounted muffler tucks neatly out sight underneath cowling use engine side-mounted muffler youll have cut away portions F-2 get needed clearance See text muffler mods K&B 21 THIS IS CLASSIC RACER Golden Age Air Racing Clean lines streamlining made competitive other racers its day twice power one-fifth scale still small model designed 20-25 cu engines us building flying model airplanes way studying preserving aviation history aircraft people involved pio neer aviation well known still contributed modem aviation bravery pilots strapped themselves machines just chalk lines floor three months earlier needs remembered Air racing quickly changed military airplanes bi planes all-metal monoplanes double speed technology became very important thrown World War II shortly thereafter have heard Gee Bee racers Mr Mulligan some other planes won Thompson Bendix National Air Races unlimited air races equal stature todays Indianapolis 500 auto racing Also national event least dozen other races smaller displacement classes races included straight line city-tocity dashes pylon races Some early racer-builders Ben Howard Art Chester Steve Wittman Clayton Folkerts Keith Rider Eldon Cessna Gordon Israel Lawrence Brown Lawrence Brown famous B-2 Miss Los Angeles built first racer another pilot Lee Miles Miles-At wood Special named its pilot its sponsor built first raced 1933 petite plane wingspan 16 feet fuselage built con ventional welded steel tubing covered wood stringers fabric wing made spruce spars plywood ribs covered fabric braced wire support Power Menasco C45 four-cylinder engine 363 cu displacement producing 185 hp 1933 Miles-Atwood Special raced #6 wheel pants spinner took two firsts two thirds fourth two fifths National Air Races Planes qualifying 375 cu class races could also fly under 550 1000 cu races Thompson Top speed Miles-Atwood Special 1933 17014 mph around pylons 21064 mph dashes Jimmy Wedell won Thompson year 985 cu Wedell-Williams racer 23795 mph 1934 Miles-Atwood Special given wheel pants spinner close fitting cowl painted all-green new race number four Pan Am Races New Orleans year little green racer won three firsts 375 cu class 1934 National Air Races Cleveland Miles-Atwood Special won six firsts third fourth Top speed up 206 mph around pylons 23344 mph Shell-sponsored dashes Lee Miles entered Miles-Atwood Special Thompson Trophy Race 24 Model Aviation plenty room fuselage radio switch servos mounted 1/o-ln ply crosspleces switch pull 045 wire slipped 1/1 6-in hole switch Servo grommets keep wire switch pushrods 1/4 sq balsa ins aimeron servo us insisiwo numS made mount screwed down 1/a ply strips glued Intothewing Thetwo 1/1 6wire pushrods cievis rod soldered short length 3/16 brass tubing set decals available author text has address price help finish model isnt necessary desirable detail plane hilt though As author says Its Sunday Scale really Intended use competition fun flying along Roy Minor Miss Los Angeles Art Chester Jeep Rodger Don Rae Keith Rider Harold Neuman Ben Howards Ike Roscoe Turner Doug Davis J Worthen latter three flying Wedell-Williams racers very large engines Miles-Atwood Special engine problems start failed finish other Brown racer Miss Los Angeles finished second behind Roscoe Turner Miles-Atwood Spe cial also won Greve race 1934 engines less 550 cu Miles-Atwood Special small light highly streamlined reached its peak 1934 1935 aircraft appearing cantilever wings retrac table landing gears spelling end wire-braced fixed-gear era model very small 1/5-scale still has very large fuselage scale wingspan 39 inches originally planned build scale-size wing after completing basic fuselage struc ture could predict finished weight would around four pounds Consequently kept fuselage scale dimensions stretched wing 45 inches keep wing loading within reasonable limits wing still looks small overall appearance has suffered opinion Instead being beast might have scale-size wing model pleasure fly K&B 21 engine works perfectly design rear-exhaust muffler dumps cavernous cowl does need further extensions did reverse outlets would point down ward Just redrill 1/16 bit tap 2-56 setscrews engine fantastic hauls four-pound model around authority K&B 21 starts easily will idle forever inverted model flies fast fully aerobatic very smooth gentle call type model Sunday Scale detailed really enough compe tition instead should flown regularly would Kadet Kaos Falcon etc decide build model order 1934-37 Miles-Atwood Special threeview drawing Hirsch Repla-Tech International two photographs cluded package will help visu alize some details plan another excellent photograph Miles-Atwood Special #4 Reed September 1985 25 Nheei pants made balsa piy Nood covered Solartex Auto body spot putty used smooth out seams Collars side wheels sre accessible slots bottom rwo 4-40 x 1/4-ln bolts screwed blind iutsand brass strap hold wheel pants Remove nose oioc access engine glow plug 15 ut wire soldered 1/o-in wheel collar glow plug another wire hooked engine bolt Both wires fuel lines can stick out scale exhaust ports Though shown needle valve adjusted through hole nose block Du-Bro bali-tip Alien wrench head Allen-head screw soldered wheel collar needle valve Author pics Left Simple surface detailing Wiiiiams Bros pilot figure add resilam Rivets littie dots 5-mm epoxy appiied tooth pick before painting Littie rigging reinforcements 1/64 piy panci under cockpit fiange scoop cut 3 x 5 f lie cards Right pilot figure turned siightiy pliot appears looking camera Hoie headrest checking control cables Wing wires left off modei flying taii brace wires remain piace extra support Kinerts Racing Planes Air Races Vol III available Aero Publishers Inc Falibrook CA Construction built fuselage first Make two 3/32 balsa fuselage sides add 1/32 plywood doublers Mount engine onto firewall set blind nuts Drill holes throttle fuel lines use engine side-mounted muffler angle engine muffler outlet will miss firewall Glue F-4 F-6 between fuselage sides Epoxy firewall place pull tail together Glue F-2 cockpit floor F-5 through F-b Plank top forward fuselage -in balsa strips step goes quickly using Zap cyanoacrylate CyA used Zap CA construc tion except epoxy around firewall landing gear blocks joining wing panels bottom strip forward planking 3/16 x -in strip glued over fuselage sides Behind strip planking ends awkwardly top Posing Lawrence Brown racer author Fred Reese Aithough modei fairiy smali 1/5-scale except stretched wingspan bring wing load ing useful figure Fred says itfiles great despite some eariy probiems 26 Model Aviation Left Taii surfaces solid 3/16 sheet baisa ironed-on strips covering materisi simuiste ribs rigging 1 O-ib-test monofilament ends crimped aluminum tubing Loops 1/32 wire Zapped hoies through vertlcai fin stabiiizer Right Front view shows finished nose biock piace iittie side bump scaie prop shouid 14 flies 8-6 Cioth-wrapped baisa fairings around anding gear wire scaie did airpianes back days Thirties 1/64 PLY BOW CANOPY JUNCTION 1/16 X 1/8 I/B BALSA 7 7 77 1/16 X /4 STRINGERS ATh LJ3/16 BALSA 3/32 TAPE OR STRIPS OF COVERING TV SIM ULATE RIBS ON STAB AND RUDDER VS X 1/2 BALSA PLANKING BALSA SIDE I/B PLY 1/16 BALSA KG B 21 ENGINE SHOWN WITH THE MUFFLER OUTLETS REVERSED TO EXHAUST DOWNWARD INTO COWL 2 1/2 CB SPINNER 7 - 1/4 X 1/2 BALSA f HOLLOW BALSA BLOCK COWL TO CLEAR ENGINE 1 f2 1/64 OR 1/32 PLY 1/32 PLY 5/32 WIRE A COVERS WRAP WITH COVERING BRASS CLIP BOLTS BALSA CENTER I/B PLY / U 7 / 7 7/i 1/4 X 3/4 BALSA -3/16 BALSA 2 I/2 WHEELS SPRUCE SPARS MILES & ATWOOD SPECIAL BY FRED REESE MA 7/ 3/8 SHEET Left fuselage built 3/32 balsa sides 1/32 ply doublers forward top planked Vs x -in strips Stringers dif ferent depths give fuselage sides rounded shape stage author notes fuselage seems huge Right Wing panels built shaped sanded one-piece unit ailerons cutaway Leave off thetwo inner ribs until after joining panels LIttle blocks top spars rigging hooks Make sure servo-belicrank pushrods /4 longer wing center section fuselage sides no gluing surface bridged strip 3/32 sq rudder needs platform top fuselage sides Glue 3/32 sheet cross grained F-b tail Glue rudder tail post Glue some lsa around stabilizer slot provide surface covering same pushrod exits full-size Miles-Atwood Special cooling air exited rear cowl sides bottom simulate exit sides piece -in balsa glued sides ahead side string ers ending just inside cowl edge side stringers taper -in sheet -in sheet tapers sides cre ating slot finished model Epoxy -in ply wing hold-down block behind F-6 add F-l 5 Glue top bottom side stringers Glue 1/32 ply tank floor between F2 F-3 block wood forms back scoop left side fuselage behind cockpit must shaped falr side cockpit string ers Think piece thin aluminum screwed down over stringers Glue scoop after covering Glue 3/32 sheet stabilizer prepare fuselage covering Build wing panel complete ailerons one-piece unit until after shaping cut away ailerons Taper spars evenly top bottom full depth W-7 Shim up spars plan glue ribs except W-2 W-3 Glue leading edge aileron framing trailing edge wing tips Add aileron ribs carve shape leading edge tips etc use razor plane large coarse sanding block Glue belicrank mounts install belicranks pushrods Cut servo-bellcrank pushrods er wing center two wires will overlap other some scrap -in blocks top spars 1/32 wire U rigging hooks first step building wing center section glue spar sections between two W- lOs Glue four W-l ribs over spars two outer W-ls fill bottom 1/16 sheeting Epoxy-glue place Sig hardwood landing gear blocks W-9 Glue leading edge trailing edge top sheeting leaving cutout servo Join wing panels epoxy blocking up wing tip 1 Glue W-2 W-3 ribs Make 1/16 ply templates shown plan making false ribs cutting guide other width gauge Glue up strip 1 x 16-in balsa grain crosswise sharp X Acto knife slice off 56 little ribs Zap wing Surprisingly really doesnt take much time isnt hard Fit fuselage wing install leading edge dowel fit hole F-4 used Solartex covering wanted fabric texture show However filled weave primer coat top front fuselage planked aluminum full-size aircraft Solartex other similar iron-on fabric coverings incredibly easy use readily accept sprayed-on finishes dont try brushing Cover wing fuselage up cowl Align wing fuselage hold place pins glue F-14 wing Glue balsa block wing bolt shape line up F-iS Drill through block F-14 F-15 ply hold-down fuselage 3/16in drill bit Follow drill -20 tap Remove wing drill out wing block -in drill countersink 28 Model Aviation False ribs sliced long strip cross-grained balsa using plywood template depth gauge plan Zapped place against leading edge spar give impressive appearance doing work isntdifflcult Bottom view aileron belicrank linkage 1/2A control horns attached Vs ply plates ailerons two No 2 sheet metal screws Its simple neat I 101115 EASSAf 15105 BALSA AIAPBALSA / CSAICBtiEIONm ___ LEEfLAFFS SOS BABEL- CS FLA BEESEAL MASSE B 9 IA---~ SCBBMSSdIE 1E 1Lt1 0__ II AJHH -S- IH-It ___-5]_ _BAAM-3 MBMOMS_513ACS ItBKCAIIEI1EI NI___ ______________________ -II AMABOSTOBHJ -1--~C-A--a _ 00 SCj m N7fZii77 PLOCESAC CABL ALOE SE POSESCOP ClEW F-IAS5 FBSEAF PASSION ACCS BALSA 5A CA BANNER~1TiThKLAASS9SAMAMOEB 0 ICEAMIflEPLC &SEO 0 Model ACiEtioR LW BR*N AJRCRAFT Co MILEs-ATWOOD SPECIAL t9t5 CSESA Fiifl-I!I---\r 1i]~HAILEECAHhL frASBAL4CAIIVK I 1 C CD cn Sc 0 CD U CD CD go CD -b C KASS BSSED AMA AB9 SECALS SPAS 1T t head Screw wing down tightly -20 nylon bolt Bend 5/32-in landing gear wires secure slotted gear blocks metal landing gear straps screws Bind landing gear wires together cop per wire solder As solder slip little 1/32 wire U side rigging Glue F-li F-12 F-i3 bottom stringers line up aft stringers Add 3/32 sheeting between F-i 1 leading edge Cover bottom wing center section sides forward cowl need little structure underneath plywood glued piece long edge 3/16 x -in planking along bottom fuselage side provide gluing edge forthe plywood glued three vertical formers between anded give curved contour sides bottom ostly sanded off plywood cowl must glued along bottom edge fuselage side used 1/64 ply cowl ended up covering glass cloth Ifyouused 1/32 ply wouldnt have glass outside grain plywood must same direction fuselage order bend easily around F-2 Make cardboard cowl pattern using plan pattern guide check its fit fuselage Compare side view plan Cut out cowl plywood glue fuselage Sand 3/16 x -in planking fair cowl Cover top fuselage F-2 back down cowl edge Zap edges covering around cowl will lift later Cut nose block rough shape drill two -in holes hollow -in dowels mounting bolts Drill -in dowel -in bit glue two dowels nose block flush back block Hold block position fuselage drill through dowel F-2 -in bit top bottom Enlarge holes F-2 5/32 drill install two 4-40 blind nuts epoxy Bolt block place two 4-40 x 1-in bolts finish shaping nose block removable portion cowl 2 deep exposes engine Rather unbolt engine mount re moval unbolt mount firewall Cut away portions F-2 as-needed clear muffler engine plan shows cut-away material rear-mounted muffler K&B 21 Fit F-i nose block 1/16-in gap between spinner F-i Drill -in hole clear mounting screw glue F-i nose block Cut cooling duct front cowl aim airflow engine head cylinder 3/16-in holes similarly directed Coat inside nose block cowl epoxy resin thoroughly seal wood wheel pants balsa-and-plywood sandwiches inner slotted bottom pant 5/32-in wheel collars outer layer slotted top 5/32 wire landing gear wheel collars strut slots position wheel pants need straps screws hold firmly Glue balsa fairings wire gear legs wrap covering material Primer-coat bare wood paint model after sanding used Aerogloss dope Cessna Green available spray cans Sigs Supercoat Brite Green Pactra Formula U Jungle Green could also used paints should sprayed obtain finish masked painted numbers lettering model subse quently have decals made now offer sale price decals $700 Send check money order Fred Reese PO Box 2517 Jackson WY 83001 rivets made epoxy applied toothpick photographed model wire rigging shown plans except tail wires dont fly used monofilarnent line 3/16-in lengths 3/32-in aluminum tubing crimped over loops end top wing flying wires secured through fuselage rub berbands little wire S-hooks Flying Let say first MilesAtwood Special model flies nicely has no bad habits However thats say first day flying went just way wished just days everything seemed go wrong Conse quently let friend Dennis Carison make first test hop Dennis flies lot different airplanes good Dennis took off easily little green airplane zipped around sky said flies nicely handed transmitter right Continued page 115 30 Model Aviation join wing panels center section wIth epoxy glue Fred used balsa spars Wing center section showing W-9 W-1 0 recommends use spruce extra strength much weight penalty ply dihedral joiners Outer ribs 1/8 ply take landing gear loads forward gear block sandwiched between W-9 Wi0 Coverthewing fuselageafterfitting together install nylon wing mounting bolt Bend wire landing gear install slotted blocks metal straps screws Solder wires together add F-i 1 -12 -13 stringers Balsa 3/32 sheet fills gap between F-il wing LE Note sub-structure cowl sides model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115 rNew UMSM Modelibau Belneke superb line German sailpianes leading edge technology throughout Beautiful fiberglass sa*ided obechi covered flying surfaces Super quality control housings almost fall together reasonably oriced 629 sq in/area 1600g 36 lbs ld fast slone/thermal shin Dingo 2600mm 100 span Eppler 374 airfoil 1700g 138 lbsl F3b slose racer 468 sq in/area 1300g 28 lbs beautiful scale ship cortlna4000mm l]5l spOn HitzsirToil ivon sq in/area 3300g 7 3 lbs stic 4-meter scalelike breathtaking beauty Schwalbenofshown2-meterspanEpplnr l6dairfoil 561 sq wlarea 1200g 26 lbs -pylon wing mount slope rocketship cliff Hawk piope i-an versions iwo designs iled sloper Shown conventional-tailed F3b-typn Slope 2300mm 90 span Eppler 178 airfoil 561 sq 1400g 31 lbs F3b-type 2700mm 106 HQ 25/8 airfoil 749 sq approx 60 oz er should blazer hill F3b version quotes numbers like current world champion F3b sailplanes Call Wilshire latest sailplanes electric flight equipment ship over worldl wilshire model center 2836 Santa Monica Blvd Santa Monica CA 90404 213 828-9362w Littlest Miracle Workshop PR1001 SUITABLE FOR ALL HOBBIES AND CRAFTS Makers of. Mini-Glue Tips Stray- Tray Tee Bar Mini-Saw juff-Stuff & Jewel Stripes Miles-Atwood/Reese Continued page 115 Dennis said Something really wrong holding full right rudder almost full right aileron just maintain level flight Somehow Dennis got airplane back down unhurtwhich considerable feat throttle stuck fly out full tank fuel ground discovered spars right wing cracked crash fully broken air could hear flutter covering miraculously held wing together After rep airing wing airplane still turned left knew wing twisted repair hard eyeball real difference taped sticks too inconclusive Frustrated bought Robart Incidence Meter measured twist little gadget magic accurate less wing washed-out 1 right wing washed-in 10 difference 3/16 per side based 9in chord used hair dryer twisted right wing until covering set too 1 washout match left side setup needed once again have nice-flying Sunday Scale airplane Radio Technique/Myers Continued page 34 arrived 944 left 955 prob able cause interference ThirdOrder Intermodulation aggravated fact late arrival Station No 1 AM set data tells what test setup will prove/disprove George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Cant Buy Skill traded old transmitter Thou ght new would give some breaks isnt kindlier makes same mistakes RC Soaring/Pruss Continued page 45 Bird/Australia Bame Reagan right behind 98 points landing score averages indicate great consistency can taken what worth remembering F3B landing tapes divided five-pointper-meter increments Again glance. Decker Blan chard two top 10 perfect 600/100 scores'Bird five out seven 100-point landings Bame four out seven like play around numbers no doubt will come up few what ifs note may want look back final results listed last month see what final placings would no throwaway round provision rules results surprising reflect biggest change results both individual placings team standings five F3B World Championships anyone has complaints about performance early portions World Championships complaints can probably attributed Wall week before its calm air no doubt lulled few folks expecting near-ideal conditions event Couple same type practice conditions back home few 25-mile-an-hour wall first day meet mental barrier some British claimed weather secret weaponand brought complaint thought would six-round championship therefore weather left home day too early Plustask three-view drawing month Dave Worralls Plustask plane flew within percentage point first place F3B World Championships year Interesting Lou Roberts features include one-piece wing full118 Model Aviation $235 repi strips$ 155 Add 20% postage Send 25C catalog_______ APPLIED DESIGN CORP 138 Penn Street El Segundo CA 90245 q 0 v in OOiiuai great flyer
Edition: Model Aviation - 1985/09
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 115, 118
NO OCR TEXT NO OCR TEXT Authors inverted K&B 21 engIne rear-mounted muffler tucks neatly out sight underneath cowling use engine side-mounted muffler youll have cut away portions F-2 get needed clearance See text muffler mods K&B 21 THIS IS CLASSIC RACER Golden Age Air Racing Clean lines streamlining made competitive other racers its day twice power one-fifth scale still small model designed 20-25 cu engines us building flying model airplanes way studying preserving aviation history aircraft people involved pio neer aviation well known still contributed modem aviation bravery pilots strapped themselves machines just chalk lines floor three months earlier needs remembered Air racing quickly changed military airplanes bi planes all-metal monoplanes double speed technology became very important thrown World War II shortly thereafter have heard Gee Bee racers Mr Mulligan some other planes won Thompson Bendix National Air Races unlimited air races equal stature todays Indianapolis 500 auto racing Also national event least dozen other races smaller displacement classes races included straight line city-tocity dashes pylon races Some early racer-builders Ben Howard Art Chester Steve Wittman Clayton Folkerts Keith Rider Eldon Cessna Gordon Israel Lawrence Brown Lawrence Brown famous B-2 Miss Los Angeles built first racer another pilot Lee Miles Miles-At wood Special named its pilot its sponsor built first raced 1933 petite plane wingspan 16 feet fuselage built con ventional welded steel tubing covered wood stringers fabric wing made spruce spars plywood ribs covered fabric braced wire support Power Menasco C45 four-cylinder engine 363 cu displacement producing 185 hp 1933 Miles-Atwood Special raced #6 wheel pants spinner took two firsts two thirds fourth two fifths National Air Races Planes qualifying 375 cu class races could also fly under 550 1000 cu races Thompson Top speed Miles-Atwood Special 1933 17014 mph around pylons 21064 mph dashes Jimmy Wedell won Thompson year 985 cu Wedell-Williams racer 23795 mph 1934 Miles-Atwood Special given wheel pants spinner close fitting cowl painted all-green new race number four Pan Am Races New Orleans year little green racer won three firsts 375 cu class 1934 National Air Races Cleveland Miles-Atwood Special won six firsts third fourth Top speed up 206 mph around pylons 23344 mph Shell-sponsored dashes Lee Miles entered Miles-Atwood Special Thompson Trophy Race 24 Model Aviation plenty room fuselage radio switch servos mounted 1/o-ln ply crosspleces switch pull 045 wire slipped 1/1 6-in hole switch Servo grommets keep wire switch pushrods 1/4 sq balsa ins aimeron servo us insisiwo numS made mount screwed down 1/a ply strips glued Intothewing Thetwo 1/1 6wire pushrods cievis rod soldered short length 3/16 brass tubing set decals available author text has address price help finish model isnt necessary desirable detail plane hilt though As author says Its Sunday Scale really Intended use competition fun flying along Roy Minor Miss Los Angeles Art Chester Jeep Rodger Don Rae Keith Rider Harold Neuman Ben Howards Ike Roscoe Turner Doug Davis J Worthen latter three flying Wedell-Williams racers very large engines Miles-Atwood Special engine problems start failed finish other Brown racer Miss Los Angeles finished second behind Roscoe Turner Miles-Atwood Spe cial also won Greve race 1934 engines less 550 cu Miles-Atwood Special small light highly streamlined reached its peak 1934 1935 aircraft appearing cantilever wings retrac table landing gears spelling end wire-braced fixed-gear era model very small 1/5-scale still has very large fuselage scale wingspan 39 inches originally planned build scale-size wing after completing basic fuselage struc ture could predict finished weight would around four pounds Consequently kept fuselage scale dimensions stretched wing 45 inches keep wing loading within reasonable limits wing still looks small overall appearance has suffered opinion Instead being beast might have scale-size wing model pleasure fly K&B 21 engine works perfectly design rear-exhaust muffler dumps cavernous cowl does need further extensions did reverse outlets would point down ward Just redrill 1/16 bit tap 2-56 setscrews engine fantastic hauls four-pound model around authority K&B 21 starts easily will idle forever inverted model flies fast fully aerobatic very smooth gentle call type model Sunday Scale detailed really enough compe tition instead should flown regularly would Kadet Kaos Falcon etc decide build model order 1934-37 Miles-Atwood Special threeview drawing Hirsch Repla-Tech International two photographs cluded package will help visu alize some details plan another excellent photograph Miles-Atwood Special #4 Reed September 1985 25 Nheei pants made balsa piy Nood covered Solartex Auto body spot putty used smooth out seams Collars side wheels sre accessible slots bottom rwo 4-40 x 1/4-ln bolts screwed blind iutsand brass strap hold wheel pants Remove nose oioc access engine glow plug 15 ut wire soldered 1/o-in wheel collar glow plug another wire hooked engine bolt Both wires fuel lines can stick out scale exhaust ports Though shown needle valve adjusted through hole nose block Du-Bro bali-tip Alien wrench head Allen-head screw soldered wheel collar needle valve Author pics Left Simple surface detailing Wiiiiams Bros pilot figure add resilam Rivets littie dots 5-mm epoxy appiied tooth pick before painting Littie rigging reinforcements 1/64 piy panci under cockpit fiange scoop cut 3 x 5 f lie cards Right pilot figure turned siightiy pliot appears looking camera Hoie headrest checking control cables Wing wires left off modei flying taii brace wires remain piace extra support Kinerts Racing Planes Air Races Vol III available Aero Publishers Inc Falibrook CA Construction built fuselage first Make two 3/32 balsa fuselage sides add 1/32 plywood doublers Mount engine onto firewall set blind nuts Drill holes throttle fuel lines use engine side-mounted muffler angle engine muffler outlet will miss firewall Glue F-4 F-6 between fuselage sides Epoxy firewall place pull tail together Glue F-2 cockpit floor F-5 through F-b Plank top forward fuselage -in balsa strips step goes quickly using Zap cyanoacrylate CyA used Zap CA construc tion except epoxy around firewall landing gear blocks joining wing panels bottom strip forward planking 3/16 x -in strip glued over fuselage sides Behind strip planking ends awkwardly top Posing Lawrence Brown racer author Fred Reese Aithough modei fairiy smali 1/5-scale except stretched wingspan bring wing load ing useful figure Fred says itfiles great despite some eariy probiems 26 Model Aviation Left Taii surfaces solid 3/16 sheet baisa ironed-on strips covering materisi simuiste ribs rigging 1 O-ib-test monofilament ends crimped aluminum tubing Loops 1/32 wire Zapped hoies through vertlcai fin stabiiizer Right Front view shows finished nose biock piace iittie side bump scaie prop shouid 14 flies 8-6 Cioth-wrapped baisa fairings around anding gear wire scaie did airpianes back days Thirties 1/64 PLY BOW CANOPY JUNCTION 1/16 X 1/8 I/B BALSA 7 7 77 1/16 X /4 STRINGERS ATh LJ3/16 BALSA 3/32 TAPE OR STRIPS OF COVERING TV SIM ULATE RIBS ON STAB AND RUDDER VS X 1/2 BALSA PLANKING BALSA SIDE I/B PLY 1/16 BALSA KG B 21 ENGINE SHOWN WITH THE MUFFLER OUTLETS REVERSED TO EXHAUST DOWNWARD INTO COWL 2 1/2 CB SPINNER 7 - 1/4 X 1/2 BALSA f HOLLOW BALSA BLOCK COWL TO CLEAR ENGINE 1 f2 1/64 OR 1/32 PLY 1/32 PLY 5/32 WIRE A COVERS WRAP WITH COVERING BRASS CLIP BOLTS BALSA CENTER I/B PLY / U 7 / 7 7/i 1/4 X 3/4 BALSA -3/16 BALSA 2 I/2 WHEELS SPRUCE SPARS MILES & ATWOOD SPECIAL BY FRED REESE MA 7/ 3/8 SHEET Left fuselage built 3/32 balsa sides 1/32 ply doublers forward top planked Vs x -in strips Stringers dif ferent depths give fuselage sides rounded shape stage author notes fuselage seems huge Right Wing panels built shaped sanded one-piece unit ailerons cutaway Leave off thetwo inner ribs until after joining panels LIttle blocks top spars rigging hooks Make sure servo-belicrank pushrods /4 longer wing center section fuselage sides no gluing surface bridged strip 3/32 sq rudder needs platform top fuselage sides Glue 3/32 sheet cross grained F-b tail Glue rudder tail post Glue some lsa around stabilizer slot provide surface covering same pushrod exits full-size Miles-Atwood Special cooling air exited rear cowl sides bottom simulate exit sides piece -in balsa glued sides ahead side string ers ending just inside cowl edge side stringers taper -in sheet -in sheet tapers sides cre ating slot finished model Epoxy -in ply wing hold-down block behind F-6 add F-l 5 Glue top bottom side stringers Glue 1/32 ply tank floor between F2 F-3 block wood forms back scoop left side fuselage behind cockpit must shaped falr side cockpit string ers Think piece thin aluminum screwed down over stringers Glue scoop after covering Glue 3/32 sheet stabilizer prepare fuselage covering Build wing panel complete ailerons one-piece unit until after shaping cut away ailerons Taper spars evenly top bottom full depth W-7 Shim up spars plan glue ribs except W-2 W-3 Glue leading edge aileron framing trailing edge wing tips Add aileron ribs carve shape leading edge tips etc use razor plane large coarse sanding block Glue belicrank mounts install belicranks pushrods Cut servo-bellcrank pushrods er wing center two wires will overlap other some scrap -in blocks top spars 1/32 wire U rigging hooks first step building wing center section glue spar sections between two W- lOs Glue four W-l ribs over spars two outer W-ls fill bottom 1/16 sheeting Epoxy-glue place Sig hardwood landing gear blocks W-9 Glue leading edge trailing edge top sheeting leaving cutout servo Join wing panels epoxy blocking up wing tip 1 Glue W-2 W-3 ribs Make 1/16 ply templates shown plan making false ribs cutting guide other width gauge Glue up strip 1 x 16-in balsa grain crosswise sharp X Acto knife slice off 56 little ribs Zap wing Surprisingly really doesnt take much time isnt hard Fit fuselage wing install leading edge dowel fit hole F-4 used Solartex covering wanted fabric texture show However filled weave primer coat top front fuselage planked aluminum full-size aircraft Solartex other similar iron-on fabric coverings incredibly easy use readily accept sprayed-on finishes dont try brushing Cover wing fuselage up cowl Align wing fuselage hold place pins glue F-14 wing Glue balsa block wing bolt shape line up F-iS Drill through block F-14 F-15 ply hold-down fuselage 3/16in drill bit Follow drill -20 tap Remove wing drill out wing block -in drill countersink 28 Model Aviation False ribs sliced long strip cross-grained balsa using plywood template depth gauge plan Zapped place against leading edge spar give impressive appearance doing work isntdifflcult Bottom view aileron belicrank linkage 1/2A control horns attached Vs ply plates ailerons two No 2 sheet metal screws Its simple neat I 101115 EASSAf 15105 BALSA AIAPBALSA / CSAICBtiEIONm ___ LEEfLAFFS SOS BABEL- CS FLA BEESEAL MASSE B 9 IA---~ SCBBMSSdIE 1E 1Lt1 0__ II AJHH -S- IH-It ___-5]_ _BAAM-3 MBMOMS_513ACS ItBKCAIIEI1EI NI___ ______________________ -II AMABOSTOBHJ -1--~C-A--a _ 00 SCj m N7fZii77 PLOCESAC CABL ALOE SE POSESCOP ClEW F-IAS5 FBSEAF PASSION ACCS BALSA 5A CA BANNER~1TiThKLAASS9SAMAMOEB 0 ICEAMIflEPLC &SEO 0 Model ACiEtioR LW BR*N AJRCRAFT Co MILEs-ATWOOD SPECIAL t9t5 CSESA Fiifl-I!I---\r 1i]~HAILEECAHhL frASBAL4CAIIVK I 1 C CD cn Sc 0 CD U CD CD go CD -b C KASS BSSED AMA AB9 SECALS SPAS 1T t head Screw wing down tightly -20 nylon bolt Bend 5/32-in landing gear wires secure slotted gear blocks metal landing gear straps screws Bind landing gear wires together cop per wire solder As solder slip little 1/32 wire U side rigging Glue F-li F-12 F-i3 bottom stringers line up aft stringers Add 3/32 sheeting between F-i 1 leading edge Cover bottom wing center section sides forward cowl need little structure underneath plywood glued piece long edge 3/16 x -in planking along bottom fuselage side provide gluing edge forthe plywood glued three vertical formers between anded give curved contour sides bottom ostly sanded off plywood cowl must glued along bottom edge fuselage side used 1/64 ply cowl ended up covering glass cloth Ifyouused 1/32 ply wouldnt have glass outside grain plywood must same direction fuselage order bend easily around F-2 Make cardboard cowl pattern using plan pattern guide check its fit fuselage Compare side view plan Cut out cowl plywood glue fuselage Sand 3/16 x -in planking fair cowl Cover top fuselage F-2 back down cowl edge Zap edges covering around cowl will lift later Cut nose block rough shape drill two -in holes hollow -in dowels mounting bolts Drill -in dowel -in bit glue two dowels nose block flush back block Hold block position fuselage drill through dowel F-2 -in bit top bottom Enlarge holes F-2 5/32 drill install two 4-40 blind nuts epoxy Bolt block place two 4-40 x 1-in bolts finish shaping nose block removable portion cowl 2 deep exposes engine Rather unbolt engine mount re moval unbolt mount firewall Cut away portions F-2 as-needed clear muffler engine plan shows cut-away material rear-mounted muffler K&B 21 Fit F-i nose block 1/16-in gap between spinner F-i Drill -in hole clear mounting screw glue F-i nose block Cut cooling duct front cowl aim airflow engine head cylinder 3/16-in holes similarly directed Coat inside nose block cowl epoxy resin thoroughly seal wood wheel pants balsa-and-plywood sandwiches inner slotted bottom pant 5/32-in wheel collars outer layer slotted top 5/32 wire landing gear wheel collars strut slots position wheel pants need straps screws hold firmly Glue balsa fairings wire gear legs wrap covering material Primer-coat bare wood paint model after sanding used Aerogloss dope Cessna Green available spray cans Sigs Supercoat Brite Green Pactra Formula U Jungle Green could also used paints should sprayed obtain finish masked painted numbers lettering model subse quently have decals made now offer sale price decals $700 Send check money order Fred Reese PO Box 2517 Jackson WY 83001 rivets made epoxy applied toothpick photographed model wire rigging shown plans except tail wires dont fly used monofilarnent line 3/16-in lengths 3/32-in aluminum tubing crimped over loops end top wing flying wires secured through fuselage rub berbands little wire S-hooks Flying Let say first MilesAtwood Special model flies nicely has no bad habits However thats say first day flying went just way wished just days everything seemed go wrong Conse quently let friend Dennis Carison make first test hop Dennis flies lot different airplanes good Dennis took off easily little green airplane zipped around sky said flies nicely handed transmitter right Continued page 115 30 Model Aviation join wing panels center section wIth epoxy glue Fred used balsa spars Wing center section showing W-9 W-1 0 recommends use spruce extra strength much weight penalty ply dihedral joiners Outer ribs 1/8 ply take landing gear loads forward gear block sandwiched between W-9 Wi0 Coverthewing fuselageafterfitting together install nylon wing mounting bolt Bend wire landing gear install slotted blocks metal straps screws Solder wires together add F-i 1 -12 -13 stringers Balsa 3/32 sheet fills gap between F-il wing LE Note sub-structure cowl sides model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115 rNew UMSM Modelibau Belneke superb line German sailpianes leading edge technology throughout Beautiful fiberglass sa*ided obechi covered flying surfaces Super quality control housings almost fall together reasonably oriced 629 sq in/area 1600g 36 lbs ld fast slone/thermal shin Dingo 2600mm 100 span Eppler 374 airfoil 1700g 138 lbsl F3b slose racer 468 sq in/area 1300g 28 lbs beautiful scale ship cortlna4000mm l]5l spOn HitzsirToil ivon sq in/area 3300g 7 3 lbs stic 4-meter scalelike breathtaking beauty Schwalbenofshown2-meterspanEpplnr l6dairfoil 561 sq wlarea 1200g 26 lbs -pylon wing mount slope rocketship cliff Hawk piope i-an versions iwo designs iled sloper Shown conventional-tailed F3b-typn Slope 2300mm 90 span Eppler 178 airfoil 561 sq 1400g 31 lbs F3b-type 2700mm 106 HQ 25/8 airfoil 749 sq approx 60 oz er should blazer hill F3b version quotes numbers like current world champion F3b sailplanes Call Wilshire latest sailplanes electric flight equipment ship over worldl wilshire model center 2836 Santa Monica Blvd Santa Monica CA 90404 213 828-9362w Littlest Miracle Workshop PR1001 SUITABLE FOR ALL HOBBIES AND CRAFTS Makers of. Mini-Glue Tips Stray- Tray Tee Bar Mini-Saw juff-Stuff & Jewel Stripes Miles-Atwood/Reese Continued page 115 Dennis said Something really wrong holding full right rudder almost full right aileron just maintain level flight Somehow Dennis got airplane back down unhurtwhich considerable feat throttle stuck fly out full tank fuel ground discovered spars right wing cracked crash fully broken air could hear flutter covering miraculously held wing together After rep airing wing airplane still turned left knew wing twisted repair hard eyeball real difference taped sticks too inconclusive Frustrated bought Robart Incidence Meter measured twist little gadget magic accurate less wing washed-out 1 right wing washed-in 10 difference 3/16 per side based 9in chord used hair dryer twisted right wing until covering set too 1 washout match left side setup needed once again have nice-flying Sunday Scale airplane Radio Technique/Myers Continued page 34 arrived 944 left 955 prob able cause interference ThirdOrder Intermodulation aggravated fact late arrival Station No 1 AM set data tells what test setup will prove/disprove George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Cant Buy Skill traded old transmitter Thou ght new would give some breaks isnt kindlier makes same mistakes RC Soaring/Pruss Continued page 45 Bird/Australia Bame Reagan right behind 98 points landing score averages indicate great consistency can taken what worth remembering F3B landing tapes divided five-pointper-meter increments Again glance. Decker Blan chard two top 10 perfect 600/100 scores'Bird five out seven 100-point landings Bame four out seven like play around numbers no doubt will come up few what ifs note may want look back final results listed last month see what final placings would no throwaway round provision rules results surprising reflect biggest change results both individual placings team standings five F3B World Championships anyone has complaints about performance early portions World Championships complaints can probably attributed Wall week before its calm air no doubt lulled few folks expecting near-ideal conditions event Couple same type practice conditions back home few 25-mile-an-hour wall first day meet mental barrier some British claimed weather secret weaponand brought complaint thought would six-round championship therefore weather left home day too early Plustask three-view drawing month Dave Worralls Plustask plane flew within percentage point first place F3B World Championships year Interesting Lou Roberts features include one-piece wing full118 Model Aviation $235 repi strips$ 155 Add 20% postage Send 25C catalog_______ APPLIED DESIGN CORP 138 Penn Street El Segundo CA 90245 q 0 v in OOiiuai great flyer
Edition: Model Aviation - 1985/09
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 115, 118
NO OCR TEXT NO OCR TEXT Authors inverted K&B 21 engIne rear-mounted muffler tucks neatly out sight underneath cowling use engine side-mounted muffler youll have cut away portions F-2 get needed clearance See text muffler mods K&B 21 THIS IS CLASSIC RACER Golden Age Air Racing Clean lines streamlining made competitive other racers its day twice power one-fifth scale still small model designed 20-25 cu engines us building flying model airplanes way studying preserving aviation history aircraft people involved pio neer aviation well known still contributed modem aviation bravery pilots strapped themselves machines just chalk lines floor three months earlier needs remembered Air racing quickly changed military airplanes bi planes all-metal monoplanes double speed technology became very important thrown World War II shortly thereafter have heard Gee Bee racers Mr Mulligan some other planes won Thompson Bendix National Air Races unlimited air races equal stature todays Indianapolis 500 auto racing Also national event least dozen other races smaller displacement classes races included straight line city-tocity dashes pylon races Some early racer-builders Ben Howard Art Chester Steve Wittman Clayton Folkerts Keith Rider Eldon Cessna Gordon Israel Lawrence Brown Lawrence Brown famous B-2 Miss Los Angeles built first racer another pilot Lee Miles Miles-At wood Special named its pilot its sponsor built first raced 1933 petite plane wingspan 16 feet fuselage built con ventional welded steel tubing covered wood stringers fabric wing made spruce spars plywood ribs covered fabric braced wire support Power Menasco C45 four-cylinder engine 363 cu displacement producing 185 hp 1933 Miles-Atwood Special raced #6 wheel pants spinner took two firsts two thirds fourth two fifths National Air Races Planes qualifying 375 cu class races could also fly under 550 1000 cu races Thompson Top speed Miles-Atwood Special 1933 17014 mph around pylons 21064 mph dashes Jimmy Wedell won Thompson year 985 cu Wedell-Williams racer 23795 mph 1934 Miles-Atwood Special given wheel pants spinner close fitting cowl painted all-green new race number four Pan Am Races New Orleans year little green racer won three firsts 375 cu class 1934 National Air Races Cleveland Miles-Atwood Special won six firsts third fourth Top speed up 206 mph around pylons 23344 mph Shell-sponsored dashes Lee Miles entered Miles-Atwood Special Thompson Trophy Race 24 Model Aviation plenty room fuselage radio switch servos mounted 1/o-ln ply crosspleces switch pull 045 wire slipped 1/1 6-in hole switch Servo grommets keep wire switch pushrods 1/4 sq balsa ins aimeron servo us insisiwo numS made mount screwed down 1/a ply strips glued Intothewing Thetwo 1/1 6wire pushrods cievis rod soldered short length 3/16 brass tubing set decals available author text has address price help finish model isnt necessary desirable detail plane hilt though As author says Its Sunday Scale really Intended use competition fun flying along Roy Minor Miss Los Angeles Art Chester Jeep Rodger Don Rae Keith Rider Harold Neuman Ben Howards Ike Roscoe Turner Doug Davis J Worthen latter three flying Wedell-Williams racers very large engines Miles-Atwood Special engine problems start failed finish other Brown racer Miss Los Angeles finished second behind Roscoe Turner Miles-Atwood Spe cial also won Greve race 1934 engines less 550 cu Miles-Atwood Special small light highly streamlined reached its peak 1934 1935 aircraft appearing cantilever wings retrac table landing gears spelling end wire-braced fixed-gear era model very small 1/5-scale still has very large fuselage scale wingspan 39 inches originally planned build scale-size wing after completing basic fuselage struc ture could predict finished weight would around four pounds Consequently kept fuselage scale dimensions stretched wing 45 inches keep wing loading within reasonable limits wing still looks small overall appearance has suffered opinion Instead being beast might have scale-size wing model pleasure fly K&B 21 engine works perfectly design rear-exhaust muffler dumps cavernous cowl does need further extensions did reverse outlets would point down ward Just redrill 1/16 bit tap 2-56 setscrews engine fantastic hauls four-pound model around authority K&B 21 starts easily will idle forever inverted model flies fast fully aerobatic very smooth gentle call type model Sunday Scale detailed really enough compe tition instead should flown regularly would Kadet Kaos Falcon etc decide build model order 1934-37 Miles-Atwood Special threeview drawing Hirsch Repla-Tech International two photographs cluded package will help visu alize some details plan another excellent photograph Miles-Atwood Special #4 Reed September 1985 25 Nheei pants made balsa piy Nood covered Solartex Auto body spot putty used smooth out seams Collars side wheels sre accessible slots bottom rwo 4-40 x 1/4-ln bolts screwed blind iutsand brass strap hold wheel pants Remove nose oioc access engine glow plug 15 ut wire soldered 1/o-in wheel collar glow plug another wire hooked engine bolt Both wires fuel lines can stick out scale exhaust ports Though shown needle valve adjusted through hole nose block Du-Bro bali-tip Alien wrench head Allen-head screw soldered wheel collar needle valve Author pics Left Simple surface detailing Wiiiiams Bros pilot figure add resilam Rivets littie dots 5-mm epoxy appiied tooth pick before painting Littie rigging reinforcements 1/64 piy panci under cockpit fiange scoop cut 3 x 5 f lie cards Right pilot figure turned siightiy pliot appears looking camera Hoie headrest checking control cables Wing wires left off modei flying taii brace wires remain piace extra support Kinerts Racing Planes Air Races Vol III available Aero Publishers Inc Falibrook CA Construction built fuselage first Make two 3/32 balsa fuselage sides add 1/32 plywood doublers Mount engine onto firewall set blind nuts Drill holes throttle fuel lines use engine side-mounted muffler angle engine muffler outlet will miss firewall Glue F-4 F-6 between fuselage sides Epoxy firewall place pull tail together Glue F-2 cockpit floor F-5 through F-b Plank top forward fuselage -in balsa strips step goes quickly using Zap cyanoacrylate CyA used Zap CA construc tion except epoxy around firewall landing gear blocks joining wing panels bottom strip forward planking 3/16 x -in strip glued over fuselage sides Behind strip planking ends awkwardly top Posing Lawrence Brown racer author Fred Reese Aithough modei fairiy smali 1/5-scale except stretched wingspan bring wing load ing useful figure Fred says itfiles great despite some eariy probiems 26 Model Aviation Left Taii surfaces solid 3/16 sheet baisa ironed-on strips covering materisi simuiste ribs rigging 1 O-ib-test monofilament ends crimped aluminum tubing Loops 1/32 wire Zapped hoies through vertlcai fin stabiiizer Right Front view shows finished nose biock piace iittie side bump scaie prop shouid 14 flies 8-6 Cioth-wrapped baisa fairings around anding gear wire scaie did airpianes back days Thirties 1/64 PLY BOW CANOPY JUNCTION 1/16 X 1/8 I/B BALSA 7 7 77 1/16 X /4 STRINGERS ATh LJ3/16 BALSA 3/32 TAPE OR STRIPS OF COVERING TV SIM ULATE RIBS ON STAB AND RUDDER VS X 1/2 BALSA PLANKING BALSA SIDE I/B PLY 1/16 BALSA KG B 21 ENGINE SHOWN WITH THE MUFFLER OUTLETS REVERSED TO EXHAUST DOWNWARD INTO COWL 2 1/2 CB SPINNER 7 - 1/4 X 1/2 BALSA f HOLLOW BALSA BLOCK COWL TO CLEAR ENGINE 1 f2 1/64 OR 1/32 PLY 1/32 PLY 5/32 WIRE A COVERS WRAP WITH COVERING BRASS CLIP BOLTS BALSA CENTER I/B PLY / U 7 / 7 7/i 1/4 X 3/4 BALSA -3/16 BALSA 2 I/2 WHEELS SPRUCE SPARS MILES & ATWOOD SPECIAL BY FRED REESE MA 7/ 3/8 SHEET Left fuselage built 3/32 balsa sides 1/32 ply doublers forward top planked Vs x -in strips Stringers dif ferent depths give fuselage sides rounded shape stage author notes fuselage seems huge Right Wing panels built shaped sanded one-piece unit ailerons cutaway Leave off thetwo inner ribs until after joining panels LIttle blocks top spars rigging hooks Make sure servo-belicrank pushrods /4 longer wing center section fuselage sides no gluing surface bridged strip 3/32 sq rudder needs platform top fuselage sides Glue 3/32 sheet cross grained F-b tail Glue rudder tail post Glue some lsa around stabilizer slot provide surface covering same pushrod exits full-size Miles-Atwood Special cooling air exited rear cowl sides bottom simulate exit sides piece -in balsa glued sides ahead side string ers ending just inside cowl edge side stringers taper -in sheet -in sheet tapers sides cre ating slot finished model Epoxy -in ply wing hold-down block behind F-6 add F-l 5 Glue top bottom side stringers Glue 1/32 ply tank floor between F2 F-3 block wood forms back scoop left side fuselage behind cockpit must shaped falr side cockpit string ers Think piece thin aluminum screwed down over stringers Glue scoop after covering Glue 3/32 sheet stabilizer prepare fuselage covering Build wing panel complete ailerons one-piece unit until after shaping cut away ailerons Taper spars evenly top bottom full depth W-7 Shim up spars plan glue ribs except W-2 W-3 Glue leading edge aileron framing trailing edge wing tips Add aileron ribs carve shape leading edge tips etc use razor plane large coarse sanding block Glue belicrank mounts install belicranks pushrods Cut servo-bellcrank pushrods er wing center two wires will overlap other some scrap -in blocks top spars 1/32 wire U rigging hooks first step building wing center section glue spar sections between two W- lOs Glue four W-l ribs over spars two outer W-ls fill bottom 1/16 sheeting Epoxy-glue place Sig hardwood landing gear blocks W-9 Glue leading edge trailing edge top sheeting leaving cutout servo Join wing panels epoxy blocking up wing tip 1 Glue W-2 W-3 ribs Make 1/16 ply templates shown plan making false ribs cutting guide other width gauge Glue up strip 1 x 16-in balsa grain crosswise sharp X Acto knife slice off 56 little ribs Zap wing Surprisingly really doesnt take much time isnt hard Fit fuselage wing install leading edge dowel fit hole F-4 used Solartex covering wanted fabric texture show However filled weave primer coat top front fuselage planked aluminum full-size aircraft Solartex other similar iron-on fabric coverings incredibly easy use readily accept sprayed-on finishes dont try brushing Cover wing fuselage up cowl Align wing fuselage hold place pins glue F-14 wing Glue balsa block wing bolt shape line up F-iS Drill through block F-14 F-15 ply hold-down fuselage 3/16in drill bit Follow drill -20 tap Remove wing drill out wing block -in drill countersink 28 Model Aviation False ribs sliced long strip cross-grained balsa using plywood template depth gauge plan Zapped place against leading edge spar give impressive appearance doing work isntdifflcult Bottom view aileron belicrank linkage 1/2A control horns attached Vs ply plates ailerons two No 2 sheet metal screws Its simple neat I 101115 EASSAf 15105 BALSA AIAPBALSA / CSAICBtiEIONm ___ LEEfLAFFS SOS BABEL- CS FLA BEESEAL MASSE B 9 IA---~ SCBBMSSdIE 1E 1Lt1 0__ II AJHH -S- IH-It ___-5]_ _BAAM-3 MBMOMS_513ACS ItBKCAIIEI1EI NI___ ______________________ -II AMABOSTOBHJ -1--~C-A--a _ 00 SCj m N7fZii77 PLOCESAC CABL ALOE SE POSESCOP ClEW F-IAS5 FBSEAF PASSION ACCS BALSA 5A CA BANNER~1TiThKLAASS9SAMAMOEB 0 ICEAMIflEPLC &SEO 0 Model ACiEtioR LW BR*N AJRCRAFT Co MILEs-ATWOOD SPECIAL t9t5 CSESA Fiifl-I!I---\r 1i]~HAILEECAHhL frASBAL4CAIIVK I 1 C CD cn Sc 0 CD U CD CD go CD -b C KASS BSSED AMA AB9 SECALS SPAS 1T t head Screw wing down tightly -20 nylon bolt Bend 5/32-in landing gear wires secure slotted gear blocks metal landing gear straps screws Bind landing gear wires together cop per wire solder As solder slip little 1/32 wire U side rigging Glue F-li F-12 F-i3 bottom stringers line up aft stringers Add 3/32 sheeting between F-i 1 leading edge Cover bottom wing center section sides forward cowl need little structure underneath plywood glued piece long edge 3/16 x -in planking along bottom fuselage side provide gluing edge forthe plywood glued three vertical formers between anded give curved contour sides bottom ostly sanded off plywood cowl must glued along bottom edge fuselage side used 1/64 ply cowl ended up covering glass cloth Ifyouused 1/32 ply wouldnt have glass outside grain plywood must same direction fuselage order bend easily around F-2 Make cardboard cowl pattern using plan pattern guide check its fit fuselage Compare side view plan Cut out cowl plywood glue fuselage Sand 3/16 x -in planking fair cowl Cover top fuselage F-2 back down cowl edge Zap edges covering around cowl will lift later Cut nose block rough shape drill two -in holes hollow -in dowels mounting bolts Drill -in dowel -in bit glue two dowels nose block flush back block Hold block position fuselage drill through dowel F-2 -in bit top bottom Enlarge holes F-2 5/32 drill install two 4-40 blind nuts epoxy Bolt block place two 4-40 x 1-in bolts finish shaping nose block removable portion cowl 2 deep exposes engine Rather unbolt engine mount re moval unbolt mount firewall Cut away portions F-2 as-needed clear muffler engine plan shows cut-away material rear-mounted muffler K&B 21 Fit F-i nose block 1/16-in gap between spinner F-i Drill -in hole clear mounting screw glue F-i nose block Cut cooling duct front cowl aim airflow engine head cylinder 3/16-in holes similarly directed Coat inside nose block cowl epoxy resin thoroughly seal wood wheel pants balsa-and-plywood sandwiches inner slotted bottom pant 5/32-in wheel collars outer layer slotted top 5/32 wire landing gear wheel collars strut slots position wheel pants need straps screws hold firmly Glue balsa fairings wire gear legs wrap covering material Primer-coat bare wood paint model after sanding used Aerogloss dope Cessna Green available spray cans Sigs Supercoat Brite Green Pactra Formula U Jungle Green could also used paints should sprayed obtain finish masked painted numbers lettering model subse quently have decals made now offer sale price decals $700 Send check money order Fred Reese PO Box 2517 Jackson WY 83001 rivets made epoxy applied toothpick photographed model wire rigging shown plans except tail wires dont fly used monofilarnent line 3/16-in lengths 3/32-in aluminum tubing crimped over loops end top wing flying wires secured through fuselage rub berbands little wire S-hooks Flying Let say first MilesAtwood Special model flies nicely has no bad habits However thats say first day flying went just way wished just days everything seemed go wrong Conse quently let friend Dennis Carison make first test hop Dennis flies lot different airplanes good Dennis took off easily little green airplane zipped around sky said flies nicely handed transmitter right Continued page 115 30 Model Aviation join wing panels center section wIth epoxy glue Fred used balsa spars Wing center section showing W-9 W-1 0 recommends use spruce extra strength much weight penalty ply dihedral joiners Outer ribs 1/8 ply take landing gear loads forward gear block sandwiched between W-9 Wi0 Coverthewing fuselageafterfitting together install nylon wing mounting bolt Bend wire landing gear install slotted blocks metal straps screws Solder wires together add F-i 1 -12 -13 stringers Balsa 3/32 sheet fills gap between F-il wing LE Note sub-structure cowl sides model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115 rNew UMSM Modelibau Belneke superb line German sailpianes leading edge technology throughout Beautiful fiberglass sa*ided obechi covered flying surfaces Super quality control housings almost fall together reasonably oriced 629 sq in/area 1600g 36 lbs ld fast slone/thermal shin Dingo 2600mm 100 span Eppler 374 airfoil 1700g 138 lbsl F3b slose racer 468 sq in/area 1300g 28 lbs beautiful scale ship cortlna4000mm l]5l spOn HitzsirToil ivon sq in/area 3300g 7 3 lbs stic 4-meter scalelike breathtaking beauty Schwalbenofshown2-meterspanEpplnr l6dairfoil 561 sq wlarea 1200g 26 lbs -pylon wing mount slope rocketship cliff Hawk piope i-an versions iwo designs iled sloper Shown conventional-tailed F3b-typn Slope 2300mm 90 span Eppler 178 airfoil 561 sq 1400g 31 lbs F3b-type 2700mm 106 HQ 25/8 airfoil 749 sq approx 60 oz er should blazer hill F3b version quotes numbers like current world champion F3b sailplanes Call Wilshire latest sailplanes electric flight equipment ship over worldl wilshire model center 2836 Santa Monica Blvd Santa Monica CA 90404 213 828-9362w Littlest Miracle Workshop PR1001 SUITABLE FOR ALL HOBBIES AND CRAFTS Makers of. Mini-Glue Tips Stray- Tray Tee Bar Mini-Saw juff-Stuff & Jewel Stripes Miles-Atwood/Reese Continued page 115 Dennis said Something really wrong holding full right rudder almost full right aileron just maintain level flight Somehow Dennis got airplane back down unhurtwhich considerable feat throttle stuck fly out full tank fuel ground discovered spars right wing cracked crash fully broken air could hear flutter covering miraculously held wing together After rep airing wing airplane still turned left knew wing twisted repair hard eyeball real difference taped sticks too inconclusive Frustrated bought Robart Incidence Meter measured twist little gadget magic accurate less wing washed-out 1 right wing washed-in 10 difference 3/16 per side based 9in chord used hair dryer twisted right wing until covering set too 1 washout match left side setup needed once again have nice-flying Sunday Scale airplane Radio Technique/Myers Continued page 34 arrived 944 left 955 prob able cause interference ThirdOrder Intermodulation aggravated fact late arrival Station No 1 AM set data tells what test setup will prove/disprove George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Cant Buy Skill traded old transmitter Thou ght new would give some breaks isnt kindlier makes same mistakes RC Soaring/Pruss Continued page 45 Bird/Australia Bame Reagan right behind 98 points landing score averages indicate great consistency can taken what worth remembering F3B landing tapes divided five-pointper-meter increments Again glance. Decker Blan chard two top 10 perfect 600/100 scores'Bird five out seven 100-point landings Bame four out seven like play around numbers no doubt will come up few what ifs note may want look back final results listed last month see what final placings would no throwaway round provision rules results surprising reflect biggest change results both individual placings team standings five F3B World Championships anyone has complaints about performance early portions World Championships complaints can probably attributed Wall week before its calm air no doubt lulled few folks expecting near-ideal conditions event Couple same type practice conditions back home few 25-mile-an-hour wall first day meet mental barrier some British claimed weather secret weaponand brought complaint thought would six-round championship therefore weather left home day too early Plustask three-view drawing month Dave Worralls Plustask plane flew within percentage point first place F3B World Championships year Interesting Lou Roberts features include one-piece wing full118 Model Aviation $235 repi strips$ 155 Add 20% postage Send 25C catalog_______ APPLIED DESIGN CORP 138 Penn Street El Segundo CA 90245 q 0 v in OOiiuai great flyer
Edition: Model Aviation - 1985/09
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 115, 118
NO OCR TEXT NO OCR TEXT Authors inverted K&B 21 engIne rear-mounted muffler tucks neatly out sight underneath cowling use engine side-mounted muffler youll have cut away portions F-2 get needed clearance See text muffler mods K&B 21 THIS IS CLASSIC RACER Golden Age Air Racing Clean lines streamlining made competitive other racers its day twice power one-fifth scale still small model designed 20-25 cu engines us building flying model airplanes way studying preserving aviation history aircraft people involved pio neer aviation well known still contributed modem aviation bravery pilots strapped themselves machines just chalk lines floor three months earlier needs remembered Air racing quickly changed military airplanes bi planes all-metal monoplanes double speed technology became very important thrown World War II shortly thereafter have heard Gee Bee racers Mr Mulligan some other planes won Thompson Bendix National Air Races unlimited air races equal stature todays Indianapolis 500 auto racing Also national event least dozen other races smaller displacement classes races included straight line city-tocity dashes pylon races Some early racer-builders Ben Howard Art Chester Steve Wittman Clayton Folkerts Keith Rider Eldon Cessna Gordon Israel Lawrence Brown Lawrence Brown famous B-2 Miss Los Angeles built first racer another pilot Lee Miles Miles-At wood Special named its pilot its sponsor built first raced 1933 petite plane wingspan 16 feet fuselage built con ventional welded steel tubing covered wood stringers fabric wing made spruce spars plywood ribs covered fabric braced wire support Power Menasco C45 four-cylinder engine 363 cu displacement producing 185 hp 1933 Miles-Atwood Special raced #6 wheel pants spinner took two firsts two thirds fourth two fifths National Air Races Planes qualifying 375 cu class races could also fly under 550 1000 cu races Thompson Top speed Miles-Atwood Special 1933 17014 mph around pylons 21064 mph dashes Jimmy Wedell won Thompson year 985 cu Wedell-Williams racer 23795 mph 1934 Miles-Atwood Special given wheel pants spinner close fitting cowl painted all-green new race number four Pan Am Races New Orleans year little green racer won three firsts 375 cu class 1934 National Air Races Cleveland Miles-Atwood Special won six firsts third fourth Top speed up 206 mph around pylons 23344 mph Shell-sponsored dashes Lee Miles entered Miles-Atwood Special Thompson Trophy Race 24 Model Aviation plenty room fuselage radio switch servos mounted 1/o-ln ply crosspleces switch pull 045 wire slipped 1/1 6-in hole switch Servo grommets keep wire switch pushrods 1/4 sq balsa ins aimeron servo us insisiwo numS made mount screwed down 1/a ply strips glued Intothewing Thetwo 1/1 6wire pushrods cievis rod soldered short length 3/16 brass tubing set decals available author text has address price help finish model isnt necessary desirable detail plane hilt though As author says Its Sunday Scale really Intended use competition fun flying along Roy Minor Miss Los Angeles Art Chester Jeep Rodger Don Rae Keith Rider Harold Neuman Ben Howards Ike Roscoe Turner Doug Davis J Worthen latter three flying Wedell-Williams racers very large engines Miles-Atwood Special engine problems start failed finish other Brown racer Miss Los Angeles finished second behind Roscoe Turner Miles-Atwood Spe cial also won Greve race 1934 engines less 550 cu Miles-Atwood Special small light highly streamlined reached its peak 1934 1935 aircraft appearing cantilever wings retrac table landing gears spelling end wire-braced fixed-gear era model very small 1/5-scale still has very large fuselage scale wingspan 39 inches originally planned build scale-size wing after completing basic fuselage struc ture could predict finished weight would around four pounds Consequently kept fuselage scale dimensions stretched wing 45 inches keep wing loading within reasonable limits wing still looks small overall appearance has suffered opinion Instead being beast might have scale-size wing model pleasure fly K&B 21 engine works perfectly design rear-exhaust muffler dumps cavernous cowl does need further extensions did reverse outlets would point down ward Just redrill 1/16 bit tap 2-56 setscrews engine fantastic hauls four-pound model around authority K&B 21 starts easily will idle forever inverted model flies fast fully aerobatic very smooth gentle call type model Sunday Scale detailed really enough compe tition instead should flown regularly would Kadet Kaos Falcon etc decide build model order 1934-37 Miles-Atwood Special threeview drawing Hirsch Repla-Tech International two photographs cluded package will help visu alize some details plan another excellent photograph Miles-Atwood Special #4 Reed September 1985 25 Nheei pants made balsa piy Nood covered Solartex Auto body spot putty used smooth out seams Collars side wheels sre accessible slots bottom rwo 4-40 x 1/4-ln bolts screwed blind iutsand brass strap hold wheel pants Remove nose oioc access engine glow plug 15 ut wire soldered 1/o-in wheel collar glow plug another wire hooked engine bolt Both wires fuel lines can stick out scale exhaust ports Though shown needle valve adjusted through hole nose block Du-Bro bali-tip Alien wrench head Allen-head screw soldered wheel collar needle valve Author pics Left Simple surface detailing Wiiiiams Bros pilot figure add resilam Rivets littie dots 5-mm epoxy appiied tooth pick before painting Littie rigging reinforcements 1/64 piy panci under cockpit fiange scoop cut 3 x 5 f lie cards Right pilot figure turned siightiy pliot appears looking camera Hoie headrest checking control cables Wing wires left off modei flying taii brace wires remain piace extra support Kinerts Racing Planes Air Races Vol III available Aero Publishers Inc Falibrook CA Construction built fuselage first Make two 3/32 balsa fuselage sides add 1/32 plywood doublers Mount engine onto firewall set blind nuts Drill holes throttle fuel lines use engine side-mounted muffler angle engine muffler outlet will miss firewall Glue F-4 F-6 between fuselage sides Epoxy firewall place pull tail together Glue F-2 cockpit floor F-5 through F-b Plank top forward fuselage -in balsa strips step goes quickly using Zap cyanoacrylate CyA used Zap CA construc tion except epoxy around firewall landing gear blocks joining wing panels bottom strip forward planking 3/16 x -in strip glued over fuselage sides Behind strip planking ends awkwardly top Posing Lawrence Brown racer author Fred Reese Aithough modei fairiy smali 1/5-scale except stretched wingspan bring wing load ing useful figure Fred says itfiles great despite some eariy probiems 26 Model Aviation Left Taii surfaces solid 3/16 sheet baisa ironed-on strips covering materisi simuiste ribs rigging 1 O-ib-test monofilament ends crimped aluminum tubing Loops 1/32 wire Zapped hoies through vertlcai fin stabiiizer Right Front view shows finished nose biock piace iittie side bump scaie prop shouid 14 flies 8-6 Cioth-wrapped baisa fairings around anding gear wire scaie did airpianes back days Thirties 1/64 PLY BOW CANOPY JUNCTION 1/16 X 1/8 I/B BALSA 7 7 77 1/16 X /4 STRINGERS ATh LJ3/16 BALSA 3/32 TAPE OR STRIPS OF COVERING TV SIM ULATE RIBS ON STAB AND RUDDER VS X 1/2 BALSA PLANKING BALSA SIDE I/B PLY 1/16 BALSA KG B 21 ENGINE SHOWN WITH THE MUFFLER OUTLETS REVERSED TO EXHAUST DOWNWARD INTO COWL 2 1/2 CB SPINNER 7 - 1/4 X 1/2 BALSA f HOLLOW BALSA BLOCK COWL TO CLEAR ENGINE 1 f2 1/64 OR 1/32 PLY 1/32 PLY 5/32 WIRE A COVERS WRAP WITH COVERING BRASS CLIP BOLTS BALSA CENTER I/B PLY / U 7 / 7 7/i 1/4 X 3/4 BALSA -3/16 BALSA 2 I/2 WHEELS SPRUCE SPARS MILES & ATWOOD SPECIAL BY FRED REESE MA 7/ 3/8 SHEET Left fuselage built 3/32 balsa sides 1/32 ply doublers forward top planked Vs x -in strips Stringers dif ferent depths give fuselage sides rounded shape stage author notes fuselage seems huge Right Wing panels built shaped sanded one-piece unit ailerons cutaway Leave off thetwo inner ribs until after joining panels LIttle blocks top spars rigging hooks Make sure servo-belicrank pushrods /4 longer wing center section fuselage sides no gluing surface bridged strip 3/32 sq rudder needs platform top fuselage sides Glue 3/32 sheet cross grained F-b tail Glue rudder tail post Glue some lsa around stabilizer slot provide surface covering same pushrod exits full-size Miles-Atwood Special cooling air exited rear cowl sides bottom simulate exit sides piece -in balsa glued sides ahead side string ers ending just inside cowl edge side stringers taper -in sheet -in sheet tapers sides cre ating slot finished model Epoxy -in ply wing hold-down block behind F-6 add F-l 5 Glue top bottom side stringers Glue 1/32 ply tank floor between F2 F-3 block wood forms back scoop left side fuselage behind cockpit must shaped falr side cockpit string ers Think piece thin aluminum screwed down over stringers Glue scoop after covering Glue 3/32 sheet stabilizer prepare fuselage covering Build wing panel complete ailerons one-piece unit until after shaping cut away ailerons Taper spars evenly top bottom full depth W-7 Shim up spars plan glue ribs except W-2 W-3 Glue leading edge aileron framing trailing edge wing tips Add aileron ribs carve shape leading edge tips etc use razor plane large coarse sanding block Glue belicrank mounts install belicranks pushrods Cut servo-bellcrank pushrods er wing center two wires will overlap other some scrap -in blocks top spars 1/32 wire U rigging hooks first step building wing center section glue spar sections between two W- lOs Glue four W-l ribs over spars two outer W-ls fill bottom 1/16 sheeting Epoxy-glue place Sig hardwood landing gear blocks W-9 Glue leading edge trailing edge top sheeting leaving cutout servo Join wing panels epoxy blocking up wing tip 1 Glue W-2 W-3 ribs Make 1/16 ply templates shown plan making false ribs cutting guide other width gauge Glue up strip 1 x 16-in balsa grain crosswise sharp X Acto knife slice off 56 little ribs Zap wing Surprisingly really doesnt take much time isnt hard Fit fuselage wing install leading edge dowel fit hole F-4 used Solartex covering wanted fabric texture show However filled weave primer coat top front fuselage planked aluminum full-size aircraft Solartex other similar iron-on fabric coverings incredibly easy use readily accept sprayed-on finishes dont try brushing Cover wing fuselage up cowl Align wing fuselage hold place pins glue F-14 wing Glue balsa block wing bolt shape line up F-iS Drill through block F-14 F-15 ply hold-down fuselage 3/16in drill bit Follow drill -20 tap Remove wing drill out wing block -in drill countersink 28 Model Aviation False ribs sliced long strip cross-grained balsa using plywood template depth gauge plan Zapped place against leading edge spar give impressive appearance doing work isntdifflcult Bottom view aileron belicrank linkage 1/2A control horns attached Vs ply plates ailerons two No 2 sheet metal screws Its simple neat I 101115 EASSAf 15105 BALSA AIAPBALSA / CSAICBtiEIONm ___ LEEfLAFFS SOS BABEL- CS FLA BEESEAL MASSE B 9 IA---~ SCBBMSSdIE 1E 1Lt1 0__ II AJHH -S- IH-It ___-5]_ _BAAM-3 MBMOMS_513ACS ItBKCAIIEI1EI NI___ ______________________ -II AMABOSTOBHJ -1--~C-A--a _ 00 SCj m N7fZii77 PLOCESAC CABL ALOE SE POSESCOP ClEW F-IAS5 FBSEAF PASSION ACCS BALSA 5A CA BANNER~1TiThKLAASS9SAMAMOEB 0 ICEAMIflEPLC &SEO 0 Model ACiEtioR LW BR*N AJRCRAFT Co MILEs-ATWOOD SPECIAL t9t5 CSESA Fiifl-I!I---\r 1i]~HAILEECAHhL frASBAL4CAIIVK I 1 C CD cn Sc 0 CD U CD CD go CD -b C KASS BSSED AMA AB9 SECALS SPAS 1T t head Screw wing down tightly -20 nylon bolt Bend 5/32-in landing gear wires secure slotted gear blocks metal landing gear straps screws Bind landing gear wires together cop per wire solder As solder slip little 1/32 wire U side rigging Glue F-li F-12 F-i3 bottom stringers line up aft stringers Add 3/32 sheeting between F-i 1 leading edge Cover bottom wing center section sides forward cowl need little structure underneath plywood glued piece long edge 3/16 x -in planking along bottom fuselage side provide gluing edge forthe plywood glued three vertical formers between anded give curved contour sides bottom ostly sanded off plywood cowl must glued along bottom edge fuselage side used 1/64 ply cowl ended up covering glass cloth Ifyouused 1/32 ply wouldnt have glass outside grain plywood must same direction fuselage order bend easily around F-2 Make cardboard cowl pattern using plan pattern guide check its fit fuselage Compare side view plan Cut out cowl plywood glue fuselage Sand 3/16 x -in planking fair cowl Cover top fuselage F-2 back down cowl edge Zap edges covering around cowl will lift later Cut nose block rough shape drill two -in holes hollow -in dowels mounting bolts Drill -in dowel -in bit glue two dowels nose block flush back block Hold block position fuselage drill through dowel F-2 -in bit top bottom Enlarge holes F-2 5/32 drill install two 4-40 blind nuts epoxy Bolt block place two 4-40 x 1-in bolts finish shaping nose block removable portion cowl 2 deep exposes engine Rather unbolt engine mount re moval unbolt mount firewall Cut away portions F-2 as-needed clear muffler engine plan shows cut-away material rear-mounted muffler K&B 21 Fit F-i nose block 1/16-in gap between spinner F-i Drill -in hole clear mounting screw glue F-i nose block Cut cooling duct front cowl aim airflow engine head cylinder 3/16-in holes similarly directed Coat inside nose block cowl epoxy resin thoroughly seal wood wheel pants balsa-and-plywood sandwiches inner slotted bottom pant 5/32-in wheel collars outer layer slotted top 5/32 wire landing gear wheel collars strut slots position wheel pants need straps screws hold firmly Glue balsa fairings wire gear legs wrap covering material Primer-coat bare wood paint model after sanding used Aerogloss dope Cessna Green available spray cans Sigs Supercoat Brite Green Pactra Formula U Jungle Green could also used paints should sprayed obtain finish masked painted numbers lettering model subse quently have decals made now offer sale price decals $700 Send check money order Fred Reese PO Box 2517 Jackson WY 83001 rivets made epoxy applied toothpick photographed model wire rigging shown plans except tail wires dont fly used monofilarnent line 3/16-in lengths 3/32-in aluminum tubing crimped over loops end top wing flying wires secured through fuselage rub berbands little wire S-hooks Flying Let say first MilesAtwood Special model flies nicely has no bad habits However thats say first day flying went just way wished just days everything seemed go wrong Conse quently let friend Dennis Carison make first test hop Dennis flies lot different airplanes good Dennis took off easily little green airplane zipped around sky said flies nicely handed transmitter right Continued page 115 30 Model Aviation join wing panels center section wIth epoxy glue Fred used balsa spars Wing center section showing W-9 W-1 0 recommends use spruce extra strength much weight penalty ply dihedral joiners Outer ribs 1/8 ply take landing gear loads forward gear block sandwiched between W-9 Wi0 Coverthewing fuselageafterfitting together install nylon wing mounting bolt Bend wire landing gear install slotted blocks metal straps screws Solder wires together add F-i 1 -12 -13 stringers Balsa 3/32 sheet fills gap between F-il wing LE Note sub-structure cowl sides model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115 rNew UMSM Modelibau Belneke superb line German sailpianes leading edge technology throughout Beautiful fiberglass sa*ided obechi covered flying surfaces Super quality control housings almost fall together reasonably oriced 629 sq in/area 1600g 36 lbs ld fast slone/thermal shin Dingo 2600mm 100 span Eppler 374 airfoil 1700g 138 lbsl F3b slose racer 468 sq in/area 1300g 28 lbs beautiful scale ship cortlna4000mm l]5l spOn HitzsirToil ivon sq in/area 3300g 7 3 lbs stic 4-meter scalelike breathtaking beauty Schwalbenofshown2-meterspanEpplnr l6dairfoil 561 sq wlarea 1200g 26 lbs -pylon wing mount slope rocketship cliff Hawk piope i-an versions iwo designs iled sloper Shown conventional-tailed F3b-typn Slope 2300mm 90 span Eppler 178 airfoil 561 sq 1400g 31 lbs F3b-type 2700mm 106 HQ 25/8 airfoil 749 sq approx 60 oz er should blazer hill F3b version quotes numbers like current world champion F3b sailplanes Call Wilshire latest sailplanes electric flight equipment ship over worldl wilshire model center 2836 Santa Monica Blvd Santa Monica CA 90404 213 828-9362w Littlest Miracle Workshop PR1001 SUITABLE FOR ALL HOBBIES AND CRAFTS Makers of. Mini-Glue Tips Stray- Tray Tee Bar Mini-Saw juff-Stuff & Jewel Stripes Miles-Atwood/Reese Continued page 115 Dennis said Something really wrong holding full right rudder almost full right aileron just maintain level flight Somehow Dennis got airplane back down unhurtwhich considerable feat throttle stuck fly out full tank fuel ground discovered spars right wing cracked crash fully broken air could hear flutter covering miraculously held wing together After rep airing wing airplane still turned left knew wing twisted repair hard eyeball real difference taped sticks too inconclusive Frustrated bought Robart Incidence Meter measured twist little gadget magic accurate less wing washed-out 1 right wing washed-in 10 difference 3/16 per side based 9in chord used hair dryer twisted right wing until covering set too 1 washout match left side setup needed once again have nice-flying Sunday Scale airplane Radio Technique/Myers Continued page 34 arrived 944 left 955 prob able cause interference ThirdOrder Intermodulation aggravated fact late arrival Station No 1 AM set data tells what test setup will prove/disprove George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Cant Buy Skill traded old transmitter Thou ght new would give some breaks isnt kindlier makes same mistakes RC Soaring/Pruss Continued page 45 Bird/Australia Bame Reagan right behind 98 points landing score averages indicate great consistency can taken what worth remembering F3B landing tapes divided five-pointper-meter increments Again glance. Decker Blan chard two top 10 perfect 600/100 scores'Bird five out seven 100-point landings Bame four out seven like play around numbers no doubt will come up few what ifs note may want look back final results listed last month see what final placings would no throwaway round provision rules results surprising reflect biggest change results both individual placings team standings five F3B World Championships anyone has complaints about performance early portions World Championships complaints can probably attributed Wall week before its calm air no doubt lulled few folks expecting near-ideal conditions event Couple same type practice conditions back home few 25-mile-an-hour wall first day meet mental barrier some British claimed weather secret weaponand brought complaint thought would six-round championship therefore weather left home day too early Plustask three-view drawing month Dave Worralls Plustask plane flew within percentage point first place F3B World Championships year Interesting Lou Roberts features include one-piece wing full118 Model Aviation $235 repi strips$ 155 Add 20% postage Send 25C catalog_______ APPLIED DESIGN CORP 138 Penn Street El Segundo CA 90245 q 0 v in OOiiuai great flyer
Edition: Model Aviation - 1985/09
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 115, 118
NO OCR TEXT NO OCR TEXT Authors inverted K&B 21 engIne rear-mounted muffler tucks neatly out sight underneath cowling use engine side-mounted muffler youll have cut away portions F-2 get needed clearance See text muffler mods K&B 21 THIS IS CLASSIC RACER Golden Age Air Racing Clean lines streamlining made competitive other racers its day twice power one-fifth scale still small model designed 20-25 cu engines us building flying model airplanes way studying preserving aviation history aircraft people involved pio neer aviation well known still contributed modem aviation bravery pilots strapped themselves machines just chalk lines floor three months earlier needs remembered Air racing quickly changed military airplanes bi planes all-metal monoplanes double speed technology became very important thrown World War II shortly thereafter have heard Gee Bee racers Mr Mulligan some other planes won Thompson Bendix National Air Races unlimited air races equal stature todays Indianapolis 500 auto racing Also national event least dozen other races smaller displacement classes races included straight line city-tocity dashes pylon races Some early racer-builders Ben Howard Art Chester Steve Wittman Clayton Folkerts Keith Rider Eldon Cessna Gordon Israel Lawrence Brown Lawrence Brown famous B-2 Miss Los Angeles built first racer another pilot Lee Miles Miles-At wood Special named its pilot its sponsor built first raced 1933 petite plane wingspan 16 feet fuselage built con ventional welded steel tubing covered wood stringers fabric wing made spruce spars plywood ribs covered fabric braced wire support Power Menasco C45 four-cylinder engine 363 cu displacement producing 185 hp 1933 Miles-Atwood Special raced #6 wheel pants spinner took two firsts two thirds fourth two fifths National Air Races Planes qualifying 375 cu class races could also fly under 550 1000 cu races Thompson Top speed Miles-Atwood Special 1933 17014 mph around pylons 21064 mph dashes Jimmy Wedell won Thompson year 985 cu Wedell-Williams racer 23795 mph 1934 Miles-Atwood Special given wheel pants spinner close fitting cowl painted all-green new race number four Pan Am Races New Orleans year little green racer won three firsts 375 cu class 1934 National Air Races Cleveland Miles-Atwood Special won six firsts third fourth Top speed up 206 mph around pylons 23344 mph Shell-sponsored dashes Lee Miles entered Miles-Atwood Special Thompson Trophy Race 24 Model Aviation plenty room fuselage radio switch servos mounted 1/o-ln ply crosspleces switch pull 045 wire slipped 1/1 6-in hole switch Servo grommets keep wire switch pushrods 1/4 sq balsa ins aimeron servo us insisiwo numS made mount screwed down 1/a ply strips glued Intothewing Thetwo 1/1 6wire pushrods cievis rod soldered short length 3/16 brass tubing set decals available author text has address price help finish model isnt necessary desirable detail plane hilt though As author says Its Sunday Scale really Intended use competition fun flying along Roy Minor Miss Los Angeles Art Chester Jeep Rodger Don Rae Keith Rider Harold Neuman Ben Howards Ike Roscoe Turner Doug Davis J Worthen latter three flying Wedell-Williams racers very large engines Miles-Atwood Special engine problems start failed finish other Brown racer Miss Los Angeles finished second behind Roscoe Turner Miles-Atwood Spe cial also won Greve race 1934 engines less 550 cu Miles-Atwood Special small light highly streamlined reached its peak 1934 1935 aircraft appearing cantilever wings retrac table landing gears spelling end wire-braced fixed-gear era model very small 1/5-scale still has very large fuselage scale wingspan 39 inches originally planned build scale-size wing after completing basic fuselage struc ture could predict finished weight would around four pounds Consequently kept fuselage scale dimensions stretched wing 45 inches keep wing loading within reasonable limits wing still looks small overall appearance has suffered opinion Instead being beast might have scale-size wing model pleasure fly K&B 21 engine works perfectly design rear-exhaust muffler dumps cavernous cowl does need further extensions did reverse outlets would point down ward Just redrill 1/16 bit tap 2-56 setscrews engine fantastic hauls four-pound model around authority K&B 21 starts easily will idle forever inverted model flies fast fully aerobatic very smooth gentle call type model Sunday Scale detailed really enough compe tition instead should flown regularly would Kadet Kaos Falcon etc decide build model order 1934-37 Miles-Atwood Special threeview drawing Hirsch Repla-Tech International two photographs cluded package will help visu alize some details plan another excellent photograph Miles-Atwood Special #4 Reed September 1985 25 Nheei pants made balsa piy Nood covered Solartex Auto body spot putty used smooth out seams Collars side wheels sre accessible slots bottom rwo 4-40 x 1/4-ln bolts screwed blind iutsand brass strap hold wheel pants Remove nose oioc access engine glow plug 15 ut wire soldered 1/o-in wheel collar glow plug another wire hooked engine bolt Both wires fuel lines can stick out scale exhaust ports Though shown needle valve adjusted through hole nose block Du-Bro bali-tip Alien wrench head Allen-head screw soldered wheel collar needle valve Author pics Left Simple surface detailing Wiiiiams Bros pilot figure add resilam Rivets littie dots 5-mm epoxy appiied tooth pick before painting Littie rigging reinforcements 1/64 piy panci under cockpit fiange scoop cut 3 x 5 f lie cards Right pilot figure turned siightiy pliot appears looking camera Hoie headrest checking control cables Wing wires left off modei flying taii brace wires remain piace extra support Kinerts Racing Planes Air Races Vol III available Aero Publishers Inc Falibrook CA Construction built fuselage first Make two 3/32 balsa fuselage sides add 1/32 plywood doublers Mount engine onto firewall set blind nuts Drill holes throttle fuel lines use engine side-mounted muffler angle engine muffler outlet will miss firewall Glue F-4 F-6 between fuselage sides Epoxy firewall place pull tail together Glue F-2 cockpit floor F-5 through F-b Plank top forward fuselage -in balsa strips step goes quickly using Zap cyanoacrylate CyA used Zap CA construc tion except epoxy around firewall landing gear blocks joining wing panels bottom strip forward planking 3/16 x -in strip glued over fuselage sides Behind strip planking ends awkwardly top Posing Lawrence Brown racer author Fred Reese Aithough modei fairiy smali 1/5-scale except stretched wingspan bring wing load ing useful figure Fred says itfiles great despite some eariy probiems 26 Model Aviation Left Taii surfaces solid 3/16 sheet baisa ironed-on strips covering materisi simuiste ribs rigging 1 O-ib-test monofilament ends crimped aluminum tubing Loops 1/32 wire Zapped hoies through vertlcai fin stabiiizer Right Front view shows finished nose biock piace iittie side bump scaie prop shouid 14 flies 8-6 Cioth-wrapped baisa fairings around anding gear wire scaie did airpianes back days Thirties 1/64 PLY BOW CANOPY JUNCTION 1/16 X 1/8 I/B BALSA 7 7 77 1/16 X /4 STRINGERS ATh LJ3/16 BALSA 3/32 TAPE OR STRIPS OF COVERING TV SIM ULATE RIBS ON STAB AND RUDDER VS X 1/2 BALSA PLANKING BALSA SIDE I/B PLY 1/16 BALSA KG B 21 ENGINE SHOWN WITH THE MUFFLER OUTLETS REVERSED TO EXHAUST DOWNWARD INTO COWL 2 1/2 CB SPINNER 7 - 1/4 X 1/2 BALSA f HOLLOW BALSA BLOCK COWL TO CLEAR ENGINE 1 f2 1/64 OR 1/32 PLY 1/32 PLY 5/32 WIRE A COVERS WRAP WITH COVERING BRASS CLIP BOLTS BALSA CENTER I/B PLY / U 7 / 7 7/i 1/4 X 3/4 BALSA -3/16 BALSA 2 I/2 WHEELS SPRUCE SPARS MILES & ATWOOD SPECIAL BY FRED REESE MA 7/ 3/8 SHEET Left fuselage built 3/32 balsa sides 1/32 ply doublers forward top planked Vs x -in strips Stringers dif ferent depths give fuselage sides rounded shape stage author notes fuselage seems huge Right Wing panels built shaped sanded one-piece unit ailerons cutaway Leave off thetwo inner ribs until after joining panels LIttle blocks top spars rigging hooks Make sure servo-belicrank pushrods /4 longer wing center section fuselage sides no gluing surface bridged strip 3/32 sq rudder needs platform top fuselage sides Glue 3/32 sheet cross grained F-b tail Glue rudder tail post Glue some lsa around stabilizer slot provide surface covering same pushrod exits full-size Miles-Atwood Special cooling air exited rear cowl sides bottom simulate exit sides piece -in balsa glued sides ahead side string ers ending just inside cowl edge side stringers taper -in sheet -in sheet tapers sides cre ating slot finished model Epoxy -in ply wing hold-down block behind F-6 add F-l 5 Glue top bottom side stringers Glue 1/32 ply tank floor between F2 F-3 block wood forms back scoop left side fuselage behind cockpit must shaped falr side cockpit string ers Think piece thin aluminum screwed down over stringers Glue scoop after covering Glue 3/32 sheet stabilizer prepare fuselage covering Build wing panel complete ailerons one-piece unit until after shaping cut away ailerons Taper spars evenly top bottom full depth W-7 Shim up spars plan glue ribs except W-2 W-3 Glue leading edge aileron framing trailing edge wing tips Add aileron ribs carve shape leading edge tips etc use razor plane large coarse sanding block Glue belicrank mounts install belicranks pushrods Cut servo-bellcrank pushrods er wing center two wires will overlap other some scrap -in blocks top spars 1/32 wire U rigging hooks first step building wing center section glue spar sections between two W- lOs Glue four W-l ribs over spars two outer W-ls fill bottom 1/16 sheeting Epoxy-glue place Sig hardwood landing gear blocks W-9 Glue leading edge trailing edge top sheeting leaving cutout servo Join wing panels epoxy blocking up wing tip 1 Glue W-2 W-3 ribs Make 1/16 ply templates shown plan making false ribs cutting guide other width gauge Glue up strip 1 x 16-in balsa grain crosswise sharp X Acto knife slice off 56 little ribs Zap wing Surprisingly really doesnt take much time isnt hard Fit fuselage wing install leading edge dowel fit hole F-4 used Solartex covering wanted fabric texture show However filled weave primer coat top front fuselage planked aluminum full-size aircraft Solartex other similar iron-on fabric coverings incredibly easy use readily accept sprayed-on finishes dont try brushing Cover wing fuselage up cowl Align wing fuselage hold place pins glue F-14 wing Glue balsa block wing bolt shape line up F-iS Drill through block F-14 F-15 ply hold-down fuselage 3/16in drill bit Follow drill -20 tap Remove wing drill out wing block -in drill countersink 28 Model Aviation False ribs sliced long strip cross-grained balsa using plywood template depth gauge plan Zapped place against leading edge spar give impressive appearance doing work isntdifflcult Bottom view aileron belicrank linkage 1/2A control horns attached Vs ply plates ailerons two No 2 sheet metal screws Its simple neat I 101115 EASSAf 15105 BALSA AIAPBALSA / CSAICBtiEIONm ___ LEEfLAFFS SOS BABEL- CS FLA BEESEAL MASSE B 9 IA---~ SCBBMSSdIE 1E 1Lt1 0__ II AJHH -S- IH-It ___-5]_ _BAAM-3 MBMOMS_513ACS ItBKCAIIEI1EI NI___ ______________________ -II AMABOSTOBHJ -1--~C-A--a _ 00 SCj m N7fZii77 PLOCESAC CABL ALOE SE POSESCOP ClEW F-IAS5 FBSEAF PASSION ACCS BALSA 5A CA BANNER~1TiThKLAASS9SAMAMOEB 0 ICEAMIflEPLC &SEO 0 Model ACiEtioR LW BR*N AJRCRAFT Co MILEs-ATWOOD SPECIAL t9t5 CSESA Fiifl-I!I---\r 1i]~HAILEECAHhL frASBAL4CAIIVK I 1 C CD cn Sc 0 CD U CD CD go CD -b C KASS BSSED AMA AB9 SECALS SPAS 1T t head Screw wing down tightly -20 nylon bolt Bend 5/32-in landing gear wires secure slotted gear blocks metal landing gear straps screws Bind landing gear wires together cop per wire solder As solder slip little 1/32 wire U side rigging Glue F-li F-12 F-i3 bottom stringers line up aft stringers Add 3/32 sheeting between F-i 1 leading edge Cover bottom wing center section sides forward cowl need little structure underneath plywood glued piece long edge 3/16 x -in planking along bottom fuselage side provide gluing edge forthe plywood glued three vertical formers between anded give curved contour sides bottom ostly sanded off plywood cowl must glued along bottom edge fuselage side used 1/64 ply cowl ended up covering glass cloth Ifyouused 1/32 ply wouldnt have glass outside grain plywood must same direction fuselage order bend easily around F-2 Make cardboard cowl pattern using plan pattern guide check its fit fuselage Compare side view plan Cut out cowl plywood glue fuselage Sand 3/16 x -in planking fair cowl Cover top fuselage F-2 back down cowl edge Zap edges covering around cowl will lift later Cut nose block rough shape drill two -in holes hollow -in dowels mounting bolts Drill -in dowel -in bit glue two dowels nose block flush back block Hold block position fuselage drill through dowel F-2 -in bit top bottom Enlarge holes F-2 5/32 drill install two 4-40 blind nuts epoxy Bolt block place two 4-40 x 1-in bolts finish shaping nose block removable portion cowl 2 deep exposes engine Rather unbolt engine mount re moval unbolt mount firewall Cut away portions F-2 as-needed clear muffler engine plan shows cut-away material rear-mounted muffler K&B 21 Fit F-i nose block 1/16-in gap between spinner F-i Drill -in hole clear mounting screw glue F-i nose block Cut cooling duct front cowl aim airflow engine head cylinder 3/16-in holes similarly directed Coat inside nose block cowl epoxy resin thoroughly seal wood wheel pants balsa-and-plywood sandwiches inner slotted bottom pant 5/32-in wheel collars outer layer slotted top 5/32 wire landing gear wheel collars strut slots position wheel pants need straps screws hold firmly Glue balsa fairings wire gear legs wrap covering material Primer-coat bare wood paint model after sanding used Aerogloss dope Cessna Green available spray cans Sigs Supercoat Brite Green Pactra Formula U Jungle Green could also used paints should sprayed obtain finish masked painted numbers lettering model subse quently have decals made now offer sale price decals $700 Send check money order Fred Reese PO Box 2517 Jackson WY 83001 rivets made epoxy applied toothpick photographed model wire rigging shown plans except tail wires dont fly used monofilarnent line 3/16-in lengths 3/32-in aluminum tubing crimped over loops end top wing flying wires secured through fuselage rub berbands little wire S-hooks Flying Let say first MilesAtwood Special model flies nicely has no bad habits However thats say first day flying went just way wished just days everything seemed go wrong Conse quently let friend Dennis Carison make first test hop Dennis flies lot different airplanes good Dennis took off easily little green airplane zipped around sky said flies nicely handed transmitter right Continued page 115 30 Model Aviation join wing panels center section wIth epoxy glue Fred used balsa spars Wing center section showing W-9 W-1 0 recommends use spruce extra strength much weight penalty ply dihedral joiners Outer ribs 1/8 ply take landing gear loads forward gear block sandwiched between W-9 Wi0 Coverthewing fuselageafterfitting together install nylon wing mounting bolt Bend wire landing gear install slotted blocks metal straps screws Solder wires together add F-i 1 -12 -13 stringers Balsa 3/32 sheet fills gap between F-il wing LE Note sub-structure cowl sides model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115 rNew UMSM Modelibau Belneke superb line German sailpianes leading edge technology throughout Beautiful fiberglass sa*ided obechi covered flying surfaces Super quality control housings almost fall together reasonably oriced 629 sq in/area 1600g 36 lbs ld fast slone/thermal shin Dingo 2600mm 100 span Eppler 374 airfoil 1700g 138 lbsl F3b slose racer 468 sq in/area 1300g 28 lbs beautiful scale ship cortlna4000mm l]5l spOn HitzsirToil ivon sq in/area 3300g 7 3 lbs stic 4-meter scalelike breathtaking beauty Schwalbenofshown2-meterspanEpplnr l6dairfoil 561 sq wlarea 1200g 26 lbs -pylon wing mount slope rocketship cliff Hawk piope i-an versions iwo designs iled sloper Shown conventional-tailed F3b-typn Slope 2300mm 90 span Eppler 178 airfoil 561 sq 1400g 31 lbs F3b-type 2700mm 106 HQ 25/8 airfoil 749 sq approx 60 oz er should blazer hill F3b version quotes numbers like current world champion F3b sailplanes Call Wilshire latest sailplanes electric flight equipment ship over worldl wilshire model center 2836 Santa Monica Blvd Santa Monica CA 90404 213 828-9362w Littlest Miracle Workshop PR1001 SUITABLE FOR ALL HOBBIES AND CRAFTS Makers of. Mini-Glue Tips Stray- Tray Tee Bar Mini-Saw juff-Stuff & Jewel Stripes Miles-Atwood/Reese Continued page 115 Dennis said Something really wrong holding full right rudder almost full right aileron just maintain level flight Somehow Dennis got airplane back down unhurtwhich considerable feat throttle stuck fly out full tank fuel ground discovered spars right wing cracked crash fully broken air could hear flutter covering miraculously held wing together After rep airing wing airplane still turned left knew wing twisted repair hard eyeball real difference taped sticks too inconclusive Frustrated bought Robart Incidence Meter measured twist little gadget magic accurate less wing washed-out 1 right wing washed-in 10 difference 3/16 per side based 9in chord used hair dryer twisted right wing until covering set too 1 washout match left side setup needed once again have nice-flying Sunday Scale airplane Radio Technique/Myers Continued page 34 arrived 944 left 955 prob able cause interference ThirdOrder Intermodulation aggravated fact late arrival Station No 1 AM set data tells what test setup will prove/disprove George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Cant Buy Skill traded old transmitter Thou ght new would give some breaks isnt kindlier makes same mistakes RC Soaring/Pruss Continued page 45 Bird/Australia Bame Reagan right behind 98 points landing score averages indicate great consistency can taken what worth remembering F3B landing tapes divided five-pointper-meter increments Again glance. Decker Blan chard two top 10 perfect 600/100 scores'Bird five out seven 100-point landings Bame four out seven like play around numbers no doubt will come up few what ifs note may want look back final results listed last month see what final placings would no throwaway round provision rules results surprising reflect biggest change results both individual placings team standings five F3B World Championships anyone has complaints about performance early portions World Championships complaints can probably attributed Wall week before its calm air no doubt lulled few folks expecting near-ideal conditions event Couple same type practice conditions back home few 25-mile-an-hour wall first day meet mental barrier some British claimed weather secret weaponand brought complaint thought would six-round championship therefore weather left home day too early Plustask three-view drawing month Dave Worralls Plustask plane flew within percentage point first place F3B World Championships year Interesting Lou Roberts features include one-piece wing full118 Model Aviation $235 repi strips$ 155 Add 20% postage Send 25C catalog_______ APPLIED DESIGN CORP 138 Penn Street El Segundo CA 90245 q 0 v in OOiiuai great flyer
Edition: Model Aviation - 1985/09
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 115, 118
NO OCR TEXT NO OCR TEXT Authors inverted K&B 21 engIne rear-mounted muffler tucks neatly out sight underneath cowling use engine side-mounted muffler youll have cut away portions F-2 get needed clearance See text muffler mods K&B 21 THIS IS CLASSIC RACER Golden Age Air Racing Clean lines streamlining made competitive other racers its day twice power one-fifth scale still small model designed 20-25 cu engines us building flying model airplanes way studying preserving aviation history aircraft people involved pio neer aviation well known still contributed modem aviation bravery pilots strapped themselves machines just chalk lines floor three months earlier needs remembered Air racing quickly changed military airplanes bi planes all-metal monoplanes double speed technology became very important thrown World War II shortly thereafter have heard Gee Bee racers Mr Mulligan some other planes won Thompson Bendix National Air Races unlimited air races equal stature todays Indianapolis 500 auto racing Also national event least dozen other races smaller displacement classes races included straight line city-tocity dashes pylon races Some early racer-builders Ben Howard Art Chester Steve Wittman Clayton Folkerts Keith Rider Eldon Cessna Gordon Israel Lawrence Brown Lawrence Brown famous B-2 Miss Los Angeles built first racer another pilot Lee Miles Miles-At wood Special named its pilot its sponsor built first raced 1933 petite plane wingspan 16 feet fuselage built con ventional welded steel tubing covered wood stringers fabric wing made spruce spars plywood ribs covered fabric braced wire support Power Menasco C45 four-cylinder engine 363 cu displacement producing 185 hp 1933 Miles-Atwood Special raced #6 wheel pants spinner took two firsts two thirds fourth two fifths National Air Races Planes qualifying 375 cu class races could also fly under 550 1000 cu races Thompson Top speed Miles-Atwood Special 1933 17014 mph around pylons 21064 mph dashes Jimmy Wedell won Thompson year 985 cu Wedell-Williams racer 23795 mph 1934 Miles-Atwood Special given wheel pants spinner close fitting cowl painted all-green new race number four Pan Am Races New Orleans year little green racer won three firsts 375 cu class 1934 National Air Races Cleveland Miles-Atwood Special won six firsts third fourth Top speed up 206 mph around pylons 23344 mph Shell-sponsored dashes Lee Miles entered Miles-Atwood Special Thompson Trophy Race 24 Model Aviation plenty room fuselage radio switch servos mounted 1/o-ln ply crosspleces switch pull 045 wire slipped 1/1 6-in hole switch Servo grommets keep wire switch pushrods 1/4 sq balsa ins aimeron servo us insisiwo numS made mount screwed down 1/a ply strips glued Intothewing Thetwo 1/1 6wire pushrods cievis rod soldered short length 3/16 brass tubing set decals available author text has address price help finish model isnt necessary desirable detail plane hilt though As author says Its Sunday Scale really Intended use competition fun flying along Roy Minor Miss Los Angeles Art Chester Jeep Rodger Don Rae Keith Rider Harold Neuman Ben Howards Ike Roscoe Turner Doug Davis J Worthen latter three flying Wedell-Williams racers very large engines Miles-Atwood Special engine problems start failed finish other Brown racer Miss Los Angeles finished second behind Roscoe Turner Miles-Atwood Spe cial also won Greve race 1934 engines less 550 cu Miles-Atwood Special small light highly streamlined reached its peak 1934 1935 aircraft appearing cantilever wings retrac table landing gears spelling end wire-braced fixed-gear era model very small 1/5-scale still has very large fuselage scale wingspan 39 inches originally planned build scale-size wing after completing basic fuselage struc ture could predict finished weight would around four pounds Consequently kept fuselage scale dimensions stretched wing 45 inches keep wing loading within reasonable limits wing still looks small overall appearance has suffered opinion Instead being beast might have scale-size wing model pleasure fly K&B 21 engine works perfectly design rear-exhaust muffler dumps cavernous cowl does need further extensions did reverse outlets would point down ward Just redrill 1/16 bit tap 2-56 setscrews engine fantastic hauls four-pound model around authority K&B 21 starts easily will idle forever inverted model flies fast fully aerobatic very smooth gentle call type model Sunday Scale detailed really enough compe tition instead should flown regularly would Kadet Kaos Falcon etc decide build model order 1934-37 Miles-Atwood Special threeview drawing Hirsch Repla-Tech International two photographs cluded package will help visu alize some details plan another excellent photograph Miles-Atwood Special #4 Reed September 1985 25 Nheei pants made balsa piy Nood covered Solartex Auto body spot putty used smooth out seams Collars side wheels sre accessible slots bottom rwo 4-40 x 1/4-ln bolts screwed blind iutsand brass strap hold wheel pants Remove nose oioc access engine glow plug 15 ut wire soldered 1/o-in wheel collar glow plug another wire hooked engine bolt Both wires fuel lines can stick out scale exhaust ports Though shown needle valve adjusted through hole nose block Du-Bro bali-tip Alien wrench head Allen-head screw soldered wheel collar needle valve Author pics Left Simple surface detailing Wiiiiams Bros pilot figure add resilam Rivets littie dots 5-mm epoxy appiied tooth pick before painting Littie rigging reinforcements 1/64 piy panci under cockpit fiange scoop cut 3 x 5 f lie cards Right pilot figure turned siightiy pliot appears looking camera Hoie headrest checking control cables Wing wires left off modei flying taii brace wires remain piace extra support Kinerts Racing Planes Air Races Vol III available Aero Publishers Inc Falibrook CA Construction built fuselage first Make two 3/32 balsa fuselage sides add 1/32 plywood doublers Mount engine onto firewall set blind nuts Drill holes throttle fuel lines use engine side-mounted muffler angle engine muffler outlet will miss firewall Glue F-4 F-6 between fuselage sides Epoxy firewall place pull tail together Glue F-2 cockpit floor F-5 through F-b Plank top forward fuselage -in balsa strips step goes quickly using Zap cyanoacrylate CyA used Zap CA construc tion except epoxy around firewall landing gear blocks joining wing panels bottom strip forward planking 3/16 x -in strip glued over fuselage sides Behind strip planking ends awkwardly top Posing Lawrence Brown racer author Fred Reese Aithough modei fairiy smali 1/5-scale except stretched wingspan bring wing load ing useful figure Fred says itfiles great despite some eariy probiems 26 Model Aviation Left Taii surfaces solid 3/16 sheet baisa ironed-on strips covering materisi simuiste ribs rigging 1 O-ib-test monofilament ends crimped aluminum tubing Loops 1/32 wire Zapped hoies through vertlcai fin stabiiizer Right Front view shows finished nose biock piace iittie side bump scaie prop shouid 14 flies 8-6 Cioth-wrapped baisa fairings around anding gear wire scaie did airpianes back days Thirties 1/64 PLY BOW CANOPY JUNCTION 1/16 X 1/8 I/B BALSA 7 7 77 1/16 X /4 STRINGERS ATh LJ3/16 BALSA 3/32 TAPE OR STRIPS OF COVERING TV SIM ULATE RIBS ON STAB AND RUDDER VS X 1/2 BALSA PLANKING BALSA SIDE I/B PLY 1/16 BALSA KG B 21 ENGINE SHOWN WITH THE MUFFLER OUTLETS REVERSED TO EXHAUST DOWNWARD INTO COWL 2 1/2 CB SPINNER 7 - 1/4 X 1/2 BALSA f HOLLOW BALSA BLOCK COWL TO CLEAR ENGINE 1 f2 1/64 OR 1/32 PLY 1/32 PLY 5/32 WIRE A COVERS WRAP WITH COVERING BRASS CLIP BOLTS BALSA CENTER I/B PLY / U 7 / 7 7/i 1/4 X 3/4 BALSA -3/16 BALSA 2 I/2 WHEELS SPRUCE SPARS MILES & ATWOOD SPECIAL BY FRED REESE MA 7/ 3/8 SHEET Left fuselage built 3/32 balsa sides 1/32 ply doublers forward top planked Vs x -in strips Stringers dif ferent depths give fuselage sides rounded shape stage author notes fuselage seems huge Right Wing panels built shaped sanded one-piece unit ailerons cutaway Leave off thetwo inner ribs until after joining panels LIttle blocks top spars rigging hooks Make sure servo-belicrank pushrods /4 longer wing center section fuselage sides no gluing surface bridged strip 3/32 sq rudder needs platform top fuselage sides Glue 3/32 sheet cross grained F-b tail Glue rudder tail post Glue some lsa around stabilizer slot provide surface covering same pushrod exits full-size Miles-Atwood Special cooling air exited rear cowl sides bottom simulate exit sides piece -in balsa glued sides ahead side string ers ending just inside cowl edge side stringers taper -in sheet -in sheet tapers sides cre ating slot finished model Epoxy -in ply wing hold-down block behind F-6 add F-l 5 Glue top bottom side stringers Glue 1/32 ply tank floor between F2 F-3 block wood forms back scoop left side fuselage behind cockpit must shaped falr side cockpit string ers Think piece thin aluminum screwed down over stringers Glue scoop after covering Glue 3/32 sheet stabilizer prepare fuselage covering Build wing panel complete ailerons one-piece unit until after shaping cut away ailerons Taper spars evenly top bottom full depth W-7 Shim up spars plan glue ribs except W-2 W-3 Glue leading edge aileron framing trailing edge wing tips Add aileron ribs carve shape leading edge tips etc use razor plane large coarse sanding block Glue belicrank mounts install belicranks pushrods Cut servo-bellcrank pushrods er wing center two wires will overlap other some scrap -in blocks top spars 1/32 wire U rigging hooks first step building wing center section glue spar sections between two W- lOs Glue four W-l ribs over spars two outer W-ls fill bottom 1/16 sheeting Epoxy-glue place Sig hardwood landing gear blocks W-9 Glue leading edge trailing edge top sheeting leaving cutout servo Join wing panels epoxy blocking up wing tip 1 Glue W-2 W-3 ribs Make 1/16 ply templates shown plan making false ribs cutting guide other width gauge Glue up strip 1 x 16-in balsa grain crosswise sharp X Acto knife slice off 56 little ribs Zap wing Surprisingly really doesnt take much time isnt hard Fit fuselage wing install leading edge dowel fit hole F-4 used Solartex covering wanted fabric texture show However filled weave primer coat top front fuselage planked aluminum full-size aircraft Solartex other similar iron-on fabric coverings incredibly easy use readily accept sprayed-on finishes dont try brushing Cover wing fuselage up cowl Align wing fuselage hold place pins glue F-14 wing Glue balsa block wing bolt shape line up F-iS Drill through block F-14 F-15 ply hold-down fuselage 3/16in drill bit Follow drill -20 tap Remove wing drill out wing block -in drill countersink 28 Model Aviation False ribs sliced long strip cross-grained balsa using plywood template depth gauge plan Zapped place against leading edge spar give impressive appearance doing work isntdifflcult Bottom view aileron belicrank linkage 1/2A control horns attached Vs ply plates ailerons two No 2 sheet metal screws Its simple neat I 101115 EASSAf 15105 BALSA AIAPBALSA / CSAICBtiEIONm ___ LEEfLAFFS SOS BABEL- CS FLA BEESEAL MASSE B 9 IA---~ SCBBMSSdIE 1E 1Lt1 0__ II AJHH -S- IH-It ___-5]_ _BAAM-3 MBMOMS_513ACS ItBKCAIIEI1EI NI___ ______________________ -II AMABOSTOBHJ -1--~C-A--a _ 00 SCj m N7fZii77 PLOCESAC CABL ALOE SE POSESCOP ClEW F-IAS5 FBSEAF PASSION ACCS BALSA 5A CA BANNER~1TiThKLAASS9SAMAMOEB 0 ICEAMIflEPLC &SEO 0 Model ACiEtioR LW BR*N AJRCRAFT Co MILEs-ATWOOD SPECIAL t9t5 CSESA Fiifl-I!I---\r 1i]~HAILEECAHhL frASBAL4CAIIVK I 1 C CD cn Sc 0 CD U CD CD go CD -b C KASS BSSED AMA AB9 SECALS SPAS 1T t head Screw wing down tightly -20 nylon bolt Bend 5/32-in landing gear wires secure slotted gear blocks metal landing gear straps screws Bind landing gear wires together cop per wire solder As solder slip little 1/32 wire U side rigging Glue F-li F-12 F-i3 bottom stringers line up aft stringers Add 3/32 sheeting between F-i 1 leading edge Cover bottom wing center section sides forward cowl need little structure underneath plywood glued piece long edge 3/16 x -in planking along bottom fuselage side provide gluing edge forthe plywood glued three vertical formers between anded give curved contour sides bottom ostly sanded off plywood cowl must glued along bottom edge fuselage side used 1/64 ply cowl ended up covering glass cloth Ifyouused 1/32 ply wouldnt have glass outside grain plywood must same direction fuselage order bend easily around F-2 Make cardboard cowl pattern using plan pattern guide check its fit fuselage Compare side view plan Cut out cowl plywood glue fuselage Sand 3/16 x -in planking fair cowl Cover top fuselage F-2 back down cowl edge Zap edges covering around cowl will lift later Cut nose block rough shape drill two -in holes hollow -in dowels mounting bolts Drill -in dowel -in bit glue two dowels nose block flush back block Hold block position fuselage drill through dowel F-2 -in bit top bottom Enlarge holes F-2 5/32 drill install two 4-40 blind nuts epoxy Bolt block place two 4-40 x 1-in bolts finish shaping nose block removable portion cowl 2 deep exposes engine Rather unbolt engine mount re moval unbolt mount firewall Cut away portions F-2 as-needed clear muffler engine plan shows cut-away material rear-mounted muffler K&B 21 Fit F-i nose block 1/16-in gap between spinner F-i Drill -in hole clear mounting screw glue F-i nose block Cut cooling duct front cowl aim airflow engine head cylinder 3/16-in holes similarly directed Coat inside nose block cowl epoxy resin thoroughly seal wood wheel pants balsa-and-plywood sandwiches inner slotted bottom pant 5/32-in wheel collars outer layer slotted top 5/32 wire landing gear wheel collars strut slots position wheel pants need straps screws hold firmly Glue balsa fairings wire gear legs wrap covering material Primer-coat bare wood paint model after sanding used Aerogloss dope Cessna Green available spray cans Sigs Supercoat Brite Green Pactra Formula U Jungle Green could also used paints should sprayed obtain finish masked painted numbers lettering model subse quently have decals made now offer sale price decals $700 Send check money order Fred Reese PO Box 2517 Jackson WY 83001 rivets made epoxy applied toothpick photographed model wire rigging shown plans except tail wires dont fly used monofilarnent line 3/16-in lengths 3/32-in aluminum tubing crimped over loops end top wing flying wires secured through fuselage rub berbands little wire S-hooks Flying Let say first MilesAtwood Special model flies nicely has no bad habits However thats say first day flying went just way wished just days everything seemed go wrong Conse quently let friend Dennis Carison make first test hop Dennis flies lot different airplanes good Dennis took off easily little green airplane zipped around sky said flies nicely handed transmitter right Continued page 115 30 Model Aviation join wing panels center section wIth epoxy glue Fred used balsa spars Wing center section showing W-9 W-1 0 recommends use spruce extra strength much weight penalty ply dihedral joiners Outer ribs 1/8 ply take landing gear loads forward gear block sandwiched between W-9 Wi0 Coverthewing fuselageafterfitting together install nylon wing mounting bolt Bend wire landing gear install slotted blocks metal straps screws Solder wires together add F-i 1 -12 -13 stringers Balsa 3/32 sheet fills gap between F-il wing LE Note sub-structure cowl sides model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115 rNew UMSM Modelibau Belneke superb line German sailpianes leading edge technology throughout Beautiful fiberglass sa*ided obechi covered flying surfaces Super quality control housings almost fall together reasonably oriced 629 sq in/area 1600g 36 lbs ld fast slone/thermal shin Dingo 2600mm 100 span Eppler 374 airfoil 1700g 138 lbsl F3b slose racer 468 sq in/area 1300g 28 lbs beautiful scale ship cortlna4000mm l]5l spOn HitzsirToil ivon sq in/area 3300g 7 3 lbs stic 4-meter scalelike breathtaking beauty Schwalbenofshown2-meterspanEpplnr l6dairfoil 561 sq wlarea 1200g 26 lbs -pylon wing mount slope rocketship cliff Hawk piope i-an versions iwo designs iled sloper Shown conventional-tailed F3b-typn Slope 2300mm 90 span Eppler 178 airfoil 561 sq 1400g 31 lbs F3b-type 2700mm 106 HQ 25/8 airfoil 749 sq approx 60 oz er should blazer hill F3b version quotes numbers like current world champion F3b sailplanes Call Wilshire latest sailplanes electric flight equipment ship over worldl wilshire model center 2836 Santa Monica Blvd Santa Monica CA 90404 213 828-9362w Littlest Miracle Workshop PR1001 SUITABLE FOR ALL HOBBIES AND CRAFTS Makers of. Mini-Glue Tips Stray- Tray Tee Bar Mini-Saw juff-Stuff & Jewel Stripes Miles-Atwood/Reese Continued page 115 Dennis said Something really wrong holding full right rudder almost full right aileron just maintain level flight Somehow Dennis got airplane back down unhurtwhich considerable feat throttle stuck fly out full tank fuel ground discovered spars right wing cracked crash fully broken air could hear flutter covering miraculously held wing together After rep airing wing airplane still turned left knew wing twisted repair hard eyeball real difference taped sticks too inconclusive Frustrated bought Robart Incidence Meter measured twist little gadget magic accurate less wing washed-out 1 right wing washed-in 10 difference 3/16 per side based 9in chord used hair dryer twisted right wing until covering set too 1 washout match left side setup needed once again have nice-flying Sunday Scale airplane Radio Technique/Myers Continued page 34 arrived 944 left 955 prob able cause interference ThirdOrder Intermodulation aggravated fact late arrival Station No 1 AM set data tells what test setup will prove/disprove George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Cant Buy Skill traded old transmitter Thou ght new would give some breaks isnt kindlier makes same mistakes RC Soaring/Pruss Continued page 45 Bird/Australia Bame Reagan right behind 98 points landing score averages indicate great consistency can taken what worth remembering F3B landing tapes divided five-pointper-meter increments Again glance. Decker Blan chard two top 10 perfect 600/100 scores'Bird five out seven 100-point landings Bame four out seven like play around numbers no doubt will come up few what ifs note may want look back final results listed last month see what final placings would no throwaway round provision rules results surprising reflect biggest change results both individual placings team standings five F3B World Championships anyone has complaints about performance early portions World Championships complaints can probably attributed Wall week before its calm air no doubt lulled few folks expecting near-ideal conditions event Couple same type practice conditions back home few 25-mile-an-hour wall first day meet mental barrier some British claimed weather secret weaponand brought complaint thought would six-round championship therefore weather left home day too early Plustask three-view drawing month Dave Worralls Plustask plane flew within percentage point first place F3B World Championships year Interesting Lou Roberts features include one-piece wing full118 Model Aviation $235 repi strips$ 155 Add 20% postage Send 25C catalog_______ APPLIED DESIGN CORP 138 Penn Street El Segundo CA 90245 q 0 v in OOiiuai great flyer
Edition: Model Aviation - 1985/09
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 115, 118
NO OCR TEXT NO OCR TEXT Authors inverted K&B 21 engIne rear-mounted muffler tucks neatly out sight underneath cowling use engine side-mounted muffler youll have cut away portions F-2 get needed clearance See text muffler mods K&B 21 THIS IS CLASSIC RACER Golden Age Air Racing Clean lines streamlining made competitive other racers its day twice power one-fifth scale still small model designed 20-25 cu engines us building flying model airplanes way studying preserving aviation history aircraft people involved pio neer aviation well known still contributed modem aviation bravery pilots strapped themselves machines just chalk lines floor three months earlier needs remembered Air racing quickly changed military airplanes bi planes all-metal monoplanes double speed technology became very important thrown World War II shortly thereafter have heard Gee Bee racers Mr Mulligan some other planes won Thompson Bendix National Air Races unlimited air races equal stature todays Indianapolis 500 auto racing Also national event least dozen other races smaller displacement classes races included straight line city-tocity dashes pylon races Some early racer-builders Ben Howard Art Chester Steve Wittman Clayton Folkerts Keith Rider Eldon Cessna Gordon Israel Lawrence Brown Lawrence Brown famous B-2 Miss Los Angeles built first racer another pilot Lee Miles Miles-At wood Special named its pilot its sponsor built first raced 1933 petite plane wingspan 16 feet fuselage built con ventional welded steel tubing covered wood stringers fabric wing made spruce spars plywood ribs covered fabric braced wire support Power Menasco C45 four-cylinder engine 363 cu displacement producing 185 hp 1933 Miles-Atwood Special raced #6 wheel pants spinner took two firsts two thirds fourth two fifths National Air Races Planes qualifying 375 cu class races could also fly under 550 1000 cu races Thompson Top speed Miles-Atwood Special 1933 17014 mph around pylons 21064 mph dashes Jimmy Wedell won Thompson year 985 cu Wedell-Williams racer 23795 mph 1934 Miles-Atwood Special given wheel pants spinner close fitting cowl painted all-green new race number four Pan Am Races New Orleans year little green racer won three firsts 375 cu class 1934 National Air Races Cleveland Miles-Atwood Special won six firsts third fourth Top speed up 206 mph around pylons 23344 mph Shell-sponsored dashes Lee Miles entered Miles-Atwood Special Thompson Trophy Race 24 Model Aviation plenty room fuselage radio switch servos mounted 1/o-ln ply crosspleces switch pull 045 wire slipped 1/1 6-in hole switch Servo grommets keep wire switch pushrods 1/4 sq balsa ins aimeron servo us insisiwo numS made mount screwed down 1/a ply strips glued Intothewing Thetwo 1/1 6wire pushrods cievis rod soldered short length 3/16 brass tubing set decals available author text has address price help finish model isnt necessary desirable detail plane hilt though As author says Its Sunday Scale really Intended use competition fun flying along Roy Minor Miss Los Angeles Art Chester Jeep Rodger Don Rae Keith Rider Harold Neuman Ben Howards Ike Roscoe Turner Doug Davis J Worthen latter three flying Wedell-Williams racers very large engines Miles-Atwood Special engine problems start failed finish other Brown racer Miss Los Angeles finished second behind Roscoe Turner Miles-Atwood Spe cial also won Greve race 1934 engines less 550 cu Miles-Atwood Special small light highly streamlined reached its peak 1934 1935 aircraft appearing cantilever wings retrac table landing gears spelling end wire-braced fixed-gear era model very small 1/5-scale still has very large fuselage scale wingspan 39 inches originally planned build scale-size wing after completing basic fuselage struc ture could predict finished weight would around four pounds Consequently kept fuselage scale dimensions stretched wing 45 inches keep wing loading within reasonable limits wing still looks small overall appearance has suffered opinion Instead being beast might have scale-size wing model pleasure fly K&B 21 engine works perfectly design rear-exhaust muffler dumps cavernous cowl does need further extensions did reverse outlets would point down ward Just redrill 1/16 bit tap 2-56 setscrews engine fantastic hauls four-pound model around authority K&B 21 starts easily will idle forever inverted model flies fast fully aerobatic very smooth gentle call type model Sunday Scale detailed really enough compe tition instead should flown regularly would Kadet Kaos Falcon etc decide build model order 1934-37 Miles-Atwood Special threeview drawing Hirsch Repla-Tech International two photographs cluded package will help visu alize some details plan another excellent photograph Miles-Atwood Special #4 Reed September 1985 25 Nheei pants made balsa piy Nood covered Solartex Auto body spot putty used smooth out seams Collars side wheels sre accessible slots bottom rwo 4-40 x 1/4-ln bolts screwed blind iutsand brass strap hold wheel pants Remove nose oioc access engine glow plug 15 ut wire soldered 1/o-in wheel collar glow plug another wire hooked engine bolt Both wires fuel lines can stick out scale exhaust ports Though shown needle valve adjusted through hole nose block Du-Bro bali-tip Alien wrench head Allen-head screw soldered wheel collar needle valve Author pics Left Simple surface detailing Wiiiiams Bros pilot figure add resilam Rivets littie dots 5-mm epoxy appiied tooth pick before painting Littie rigging reinforcements 1/64 piy panci under cockpit fiange scoop cut 3 x 5 f lie cards Right pilot figure turned siightiy pliot appears looking camera Hoie headrest checking control cables Wing wires left off modei flying taii brace wires remain piace extra support Kinerts Racing Planes Air Races Vol III available Aero Publishers Inc Falibrook CA Construction built fuselage first Make two 3/32 balsa fuselage sides add 1/32 plywood doublers Mount engine onto firewall set blind nuts Drill holes throttle fuel lines use engine side-mounted muffler angle engine muffler outlet will miss firewall Glue F-4 F-6 between fuselage sides Epoxy firewall place pull tail together Glue F-2 cockpit floor F-5 through F-b Plank top forward fuselage -in balsa strips step goes quickly using Zap cyanoacrylate CyA used Zap CA construc tion except epoxy around firewall landing gear blocks joining wing panels bottom strip forward planking 3/16 x -in strip glued over fuselage sides Behind strip planking ends awkwardly top Posing Lawrence Brown racer author Fred Reese Aithough modei fairiy smali 1/5-scale except stretched wingspan bring wing load ing useful figure Fred says itfiles great despite some eariy probiems 26 Model Aviation Left Taii surfaces solid 3/16 sheet baisa ironed-on strips covering materisi simuiste ribs rigging 1 O-ib-test monofilament ends crimped aluminum tubing Loops 1/32 wire Zapped hoies through vertlcai fin stabiiizer Right Front view shows finished nose biock piace iittie side bump scaie prop shouid 14 flies 8-6 Cioth-wrapped baisa fairings around anding gear wire scaie did airpianes back days Thirties 1/64 PLY BOW CANOPY JUNCTION 1/16 X 1/8 I/B BALSA 7 7 77 1/16 X /4 STRINGERS ATh LJ3/16 BALSA 3/32 TAPE OR STRIPS OF COVERING TV SIM ULATE RIBS ON STAB AND RUDDER VS X 1/2 BALSA PLANKING BALSA SIDE I/B PLY 1/16 BALSA KG B 21 ENGINE SHOWN WITH THE MUFFLER OUTLETS REVERSED TO EXHAUST DOWNWARD INTO COWL 2 1/2 CB SPINNER 7 - 1/4 X 1/2 BALSA f HOLLOW BALSA BLOCK COWL TO CLEAR ENGINE 1 f2 1/64 OR 1/32 PLY 1/32 PLY 5/32 WIRE A COVERS WRAP WITH COVERING BRASS CLIP BOLTS BALSA CENTER I/B PLY / U 7 / 7 7/i 1/4 X 3/4 BALSA -3/16 BALSA 2 I/2 WHEELS SPRUCE SPARS MILES & ATWOOD SPECIAL BY FRED REESE MA 7/ 3/8 SHEET Left fuselage built 3/32 balsa sides 1/32 ply doublers forward top planked Vs x -in strips Stringers dif ferent depths give fuselage sides rounded shape stage author notes fuselage seems huge Right Wing panels built shaped sanded one-piece unit ailerons cutaway Leave off thetwo inner ribs until after joining panels LIttle blocks top spars rigging hooks Make sure servo-belicrank pushrods /4 longer wing center section fuselage sides no gluing surface bridged strip 3/32 sq rudder needs platform top fuselage sides Glue 3/32 sheet cross grained F-b tail Glue rudder tail post Glue some lsa around stabilizer slot provide surface covering same pushrod exits full-size Miles-Atwood Special cooling air exited rear cowl sides bottom simulate exit sides piece -in balsa glued sides ahead side string ers ending just inside cowl edge side stringers taper -in sheet -in sheet tapers sides cre ating slot finished model Epoxy -in ply wing hold-down block behind F-6 add F-l 5 Glue top bottom side stringers Glue 1/32 ply tank floor between F2 F-3 block wood forms back scoop left side fuselage behind cockpit must shaped falr side cockpit string ers Think piece thin aluminum screwed down over stringers Glue scoop after covering Glue 3/32 sheet stabilizer prepare fuselage covering Build wing panel complete ailerons one-piece unit until after shaping cut away ailerons Taper spars evenly top bottom full depth W-7 Shim up spars plan glue ribs except W-2 W-3 Glue leading edge aileron framing trailing edge wing tips Add aileron ribs carve shape leading edge tips etc use razor plane large coarse sanding block Glue belicrank mounts install belicranks pushrods Cut servo-bellcrank pushrods er wing center two wires will overlap other some scrap -in blocks top spars 1/32 wire U rigging hooks first step building wing center section glue spar sections between two W- lOs Glue four W-l ribs over spars two outer W-ls fill bottom 1/16 sheeting Epoxy-glue place Sig hardwood landing gear blocks W-9 Glue leading edge trailing edge top sheeting leaving cutout servo Join wing panels epoxy blocking up wing tip 1 Glue W-2 W-3 ribs Make 1/16 ply templates shown plan making false ribs cutting guide other width gauge Glue up strip 1 x 16-in balsa grain crosswise sharp X Acto knife slice off 56 little ribs Zap wing Surprisingly really doesnt take much time isnt hard Fit fuselage wing install leading edge dowel fit hole F-4 used Solartex covering wanted fabric texture show However filled weave primer coat top front fuselage planked aluminum full-size aircraft Solartex other similar iron-on fabric coverings incredibly easy use readily accept sprayed-on finishes dont try brushing Cover wing fuselage up cowl Align wing fuselage hold place pins glue F-14 wing Glue balsa block wing bolt shape line up F-iS Drill through block F-14 F-15 ply hold-down fuselage 3/16in drill bit Follow drill -20 tap Remove wing drill out wing block -in drill countersink 28 Model Aviation False ribs sliced long strip cross-grained balsa using plywood template depth gauge plan Zapped place against leading edge spar give impressive appearance doing work isntdifflcult Bottom view aileron belicrank linkage 1/2A control horns attached Vs ply plates ailerons two No 2 sheet metal screws Its simple neat I 101115 EASSAf 15105 BALSA AIAPBALSA / CSAICBtiEIONm ___ LEEfLAFFS SOS BABEL- CS FLA BEESEAL MASSE B 9 IA---~ SCBBMSSdIE 1E 1Lt1 0__ II AJHH -S- IH-It ___-5]_ _BAAM-3 MBMOMS_513ACS ItBKCAIIEI1EI NI___ ______________________ -II AMABOSTOBHJ -1--~C-A--a _ 00 SCj m N7fZii77 PLOCESAC CABL ALOE SE POSESCOP ClEW F-IAS5 FBSEAF PASSION ACCS BALSA 5A CA BANNER~1TiThKLAASS9SAMAMOEB 0 ICEAMIflEPLC &SEO 0 Model ACiEtioR LW BR*N AJRCRAFT Co MILEs-ATWOOD SPECIAL t9t5 CSESA Fiifl-I!I---\r 1i]~HAILEECAHhL frASBAL4CAIIVK I 1 C CD cn Sc 0 CD U CD CD go CD -b C KASS BSSED AMA AB9 SECALS SPAS 1T t head Screw wing down tightly -20 nylon bolt Bend 5/32-in landing gear wires secure slotted gear blocks metal landing gear straps screws Bind landing gear wires together cop per wire solder As solder slip little 1/32 wire U side rigging Glue F-li F-12 F-i3 bottom stringers line up aft stringers Add 3/32 sheeting between F-i 1 leading edge Cover bottom wing center section sides forward cowl need little structure underneath plywood glued piece long edge 3/16 x -in planking along bottom fuselage side provide gluing edge forthe plywood glued three vertical formers between anded give curved contour sides bottom ostly sanded off plywood cowl must glued along bottom edge fuselage side used 1/64 ply cowl ended up covering glass cloth Ifyouused 1/32 ply wouldnt have glass outside grain plywood must same direction fuselage order bend easily around F-2 Make cardboard cowl pattern using plan pattern guide check its fit fuselage Compare side view plan Cut out cowl plywood glue fuselage Sand 3/16 x -in planking fair cowl Cover top fuselage F-2 back down cowl edge Zap edges covering around cowl will lift later Cut nose block rough shape drill two -in holes hollow -in dowels mounting bolts Drill -in dowel -in bit glue two dowels nose block flush back block Hold block position fuselage drill through dowel F-2 -in bit top bottom Enlarge holes F-2 5/32 drill install two 4-40 blind nuts epoxy Bolt block place two 4-40 x 1-in bolts finish shaping nose block removable portion cowl 2 deep exposes engine Rather unbolt engine mount re moval unbolt mount firewall Cut away portions F-2 as-needed clear muffler engine plan shows cut-away material rear-mounted muffler K&B 21 Fit F-i nose block 1/16-in gap between spinner F-i Drill -in hole clear mounting screw glue F-i nose block Cut cooling duct front cowl aim airflow engine head cylinder 3/16-in holes similarly directed Coat inside nose block cowl epoxy resin thoroughly seal wood wheel pants balsa-and-plywood sandwiches inner slotted bottom pant 5/32-in wheel collars outer layer slotted top 5/32 wire landing gear wheel collars strut slots position wheel pants need straps screws hold firmly Glue balsa fairings wire gear legs wrap covering material Primer-coat bare wood paint model after sanding used Aerogloss dope Cessna Green available spray cans Sigs Supercoat Brite Green Pactra Formula U Jungle Green could also used paints should sprayed obtain finish masked painted numbers lettering model subse quently have decals made now offer sale price decals $700 Send check money order Fred Reese PO Box 2517 Jackson WY 83001 rivets made epoxy applied toothpick photographed model wire rigging shown plans except tail wires dont fly used monofilarnent line 3/16-in lengths 3/32-in aluminum tubing crimped over loops end top wing flying wires secured through fuselage rub berbands little wire S-hooks Flying Let say first MilesAtwood Special model flies nicely has no bad habits However thats say first day flying went just way wished just days everything seemed go wrong Conse quently let friend Dennis Carison make first test hop Dennis flies lot different airplanes good Dennis took off easily little green airplane zipped around sky said flies nicely handed transmitter right Continued page 115 30 Model Aviation join wing panels center section wIth epoxy glue Fred used balsa spars Wing center section showing W-9 W-1 0 recommends use spruce extra strength much weight penalty ply dihedral joiners Outer ribs 1/8 ply take landing gear loads forward gear block sandwiched between W-9 Wi0 Coverthewing fuselageafterfitting together install nylon wing mounting bolt Bend wire landing gear install slotted blocks metal straps screws Solder wires together add F-i 1 -12 -13 stringers Balsa 3/32 sheet fills gap between F-il wing LE Note sub-structure cowl sides model craft TOUCH UP AIR BRUSH ARISTO TEX COVERING MATERIAL LOW 2 METER ROLL $720 FOR DETAIL PAINTING OF AIRPLANE WINGS AND BOATS$4000 TACHOMElER W/LED READ OUT FOR EASY FIELD READING $4j rjj ACCURATE ENGINE RPM 12 PIECE WOOD CARVING SET HOBBYISTS/I QUICK HEAT SOLDERING GUN iPO WATT 21 PIECE TOOL SET US SIZE SCREWDRIVERS PLUS PHILLIPS HEX AND WRENCH TYPES $700 Ci TRIPLE HANDS WITH MAGNIFIER N EXTRA HELP IN ma HOLDING THOSEW SMALL PARTS WHILE$5 SOLDERING GLUING OR PAINTING MAGNIFIER LAMP WITH MULTI POSITION 39 $3000 / FLEXIBLE ARM 3 DIOPTER LENS FOR 4 liMES MAGNIFICATION Letters Editor Continued page 113 modeling interests first article would like comment guest editorial believe Mr Waterman expressed views ac tive instructors very well us spend flying time teaching others fly know what happens student pilot brings out wrong airplane takes twice long him learn fly dont believe however student cannot learn ship has ailerons Take Goldberg Eaglet example sincerely believe probably best trainer market have taught lots folks fly ailerons definitely hinderance learning process dont feel need go back days Smog Hog applaud Mr Watermans views keeping things simple beginner Anthony Stevens Knoxville TN am writing overwhelming apprecia tion guest editorial April 1985 issue Jim Waterman really enoyed Frankly stand behind him 100% Let explain first trainer Little Stik 6-ft wing flatbottomed airfoil polydihedral 576 sq area truly basic trainer would recover full stall about 10 ft plane crashed servo arm rudder came off turn left full rudder locked-in friend gave Box Fly 20 put big wing it flew better Loops spins snaps could flown yet stable Old-Timer wing broke using glider fuselage switched nodihedral fully-symmetrical-airfoil wing ailerons needed larger power plant got wasnt ready second airplane guest editorial called bumped about quite bit During winter fixed up after wards could fly much better However still herkey-jerkey ailerons doing better before crashed five times first switched ailerons took year lots patience really bruised ego learn tt fly Dont think stayed basic trainer never crashed due pilot error would have faster learning session Its good thing really love RCing because greenhorns would have given up long time ago Chris Allen Pittsburg CA Although enjoy Model Aviation disappointed aggravated totally honest little mad after reading guest editorial April 1985 edition got impression guest editor little envious skill level required fly Pattern Racing ship particularly disturbed remark us fly Pattern Racing models cannot under stand needs beginners us start somewhere us successful first flying session totally mishaps save breaking couple props hangup Antic Bipes Sopwith Pups fine Go sport enjoy covers variety aircraft types varying skill requirements Once beginner present have six trainees has reached skill level competently fly trainer respect choice models continue assist long think needs Instructors determined type aircraft fly Instructors born David C Lassiter Aulander NC Safety/Preston Continued page 20 radio expert among contributing editors Model Aviation last comment concerns radio inter ference Im also going buck George Myers Ive several let ters asking opinion RC chan nels should avoided because inter ference other channels really dont know answer However Radio Technique column ap peared April 1985 issue page 40 George did mention subject radio interference also referenced number previous columns discussed subject have ques tions about interference first check back issues magazine may find answers seek Also dont forget District Frequency Coordina tor people appointed pin point local problems names addresses can found head District VPs column AMA News section magazine Have another safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 M lies-Atwood/Reese Continued page 30 airplane flew nicely another 30 seconds little nervous looped rolled about sky little green airplane needed just another foot altitude complete split-S told just wasnt day inspection didnt appear badly damaged landing gear bent lower cowl popped loose nothing else appeared broken repaired cowl 5-mm epoxy tried again time going touch As soon airbne Continued page 118 September 1985115 rNew UMSM Modelibau Belneke superb line German sailpianes leading edge technology throughout Beautiful fiberglass sa*ided obechi covered flying surfaces Super quality control housings almost fall together reasonably oriced 629 sq in/area 1600g 36 lbs ld fast slone/thermal shin Dingo 2600mm 100 span Eppler 374 airfoil 1700g 138 lbsl F3b slose racer 468 sq in/area 1300g 28 lbs beautiful scale ship cortlna4000mm l]5l spOn HitzsirToil ivon sq in/area 3300g 7 3 lbs stic 4-meter scalelike breathtaking beauty Schwalbenofshown2-meterspanEpplnr l6dairfoil 561 sq wlarea 1200g 26 lbs -pylon wing mount slope rocketship cliff Hawk piope i-an versions iwo designs iled sloper Shown conventional-tailed F3b-typn Slope 2300mm 90 span Eppler 178 airfoil 561 sq 1400g 31 lbs F3b-type 2700mm 106 HQ 25/8 airfoil 749 sq approx 60 oz er should blazer hill F3b version quotes numbers like current world champion F3b sailplanes Call Wilshire latest sailplanes electric flight equipment ship over worldl wilshire model center 2836 Santa Monica Blvd Santa Monica CA 90404 213 828-9362w Littlest Miracle Workshop PR1001 SUITABLE FOR ALL HOBBIES AND CRAFTS Makers of. Mini-Glue Tips Stray- Tray Tee Bar Mini-Saw juff-Stuff & Jewel Stripes Miles-Atwood/Reese Continued page 115 Dennis said Something really wrong holding full right rudder almost full right aileron just maintain level flight Somehow Dennis got airplane back down unhurtwhich considerable feat throttle stuck fly out full tank fuel ground discovered spars right wing cracked crash fully broken air could hear flutter covering miraculously held wing together After rep airing wing airplane still turned left knew wing twisted repair hard eyeball real difference taped sticks too inconclusive Frustrated bought Robart Incidence Meter measured twist little gadget magic accurate less wing washed-out 1 right wing washed-in 10 difference 3/16 per side based 9in chord used hair dryer twisted right wing until covering set too 1 washout match left side setup needed once again have nice-flying Sunday Scale airplane Radio Technique/Myers Continued page 34 arrived 944 left 955 prob able cause interference ThirdOrder Intermodulation aggravated fact late arrival Station No 1 AM set data tells what test setup will prove/disprove George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Cant Buy Skill traded old transmitter Thou ght new would give some breaks isnt kindlier makes same mistakes RC Soaring/Pruss Continued page 45 Bird/Australia Bame Reagan right behind 98 points landing score averages indicate great consistency can taken what worth remembering F3B landing tapes divided five-pointper-meter increments Again glance. Decker Blan chard two top 10 perfect 600/100 scores'Bird five out seven 100-point landings Bame four out seven like play around numbers no doubt will come up few what ifs note may want look back final results listed last month see what final placings would no throwaway round provision rules results surprising reflect biggest change results both individual placings team standings five F3B World Championships anyone has complaints about performance early portions World Championships complaints can probably attributed Wall week before its calm air no doubt lulled few folks expecting near-ideal conditions event Couple same type practice conditions back home few 25-mile-an-hour wall first day meet mental barrier some British claimed weather secret weaponand brought complaint thought would six-round championship therefore weather left home day too early Plustask three-view drawing month Dave Worralls Plustask plane flew within percentage point first place F3B World Championships year Interesting Lou Roberts features include one-piece wing full118 Model Aviation $235 repi strips$ 155 Add 20% postage Send 25C catalog_______ APPLIED DESIGN CORP 138 Penn Street El Segundo CA 90245 q 0 v in OOiiuai great flyer