NO OCR TEXT NO OCR TEXT hole setscrew locks stab place reinforced ring Mono Kote Trim Sheet alien wrench oper ates setscrew has inserted hole horn tail skid made l phenolic although Goldberg horn small tail skid also work fine onepiece rudder hinge wire has bent secured bottom rudder undercamber should cause no problems Adding %-in shim under trailing edge keeps bottom spar flat rib position top spar will 90 degrees above bottom spar point onward wing built exactly flat-bottomed airfoil wing tip panel ribs cut out using root rib Wi shown plan maintain same bottom contour root rib upper camber different reduces Phillips entry raises trailing edge slightly makes chord line almost two degrees less tip root get almost two degrees aerodynamic washout right off building board Obtaining correct dihedral angle depends proper drilling wing rod tube hole plywood rib Wi Until recently used Windsong /I6 x 10-in steel wing rod Although works extremely well new Lovesong / x 10-in rod better Lavesong rod requires 3A-in-OD brass tube wing fits perfectly sandwiched Len I NC nomemaae tow nooin crarica tram zu i u -extrusion aluminum Right Close-up aluminum tow NOOK snowing wing mount An extra Il sheeting added bottom fuselage order inlay-mount hook flush bottom 28 Model Aviation Looking down control layout Shown 600-mAh AE battery receiver elevator servo bulkhead-mounted switch rudder servo wing retainer hooks spoiler servo pull strings over bail links Also note small hook holds down rear hatch cover siuiu-uuwn OUUKU inorinuiiy unmy una requirsa Tar raisca spoiler ana tube pull string carpet thread used held place small toothpicks look wing root snows noics ior vent weignt tube wing rod spoiier cord rear wing rod Both vent spoiler cord hole originally used alignment pins x 3/ BRLSA TE STOCK AI BKL3R/ BRLSfl SET 77 Y43/asLsR BLSA SHEET N0- NBRSfl7EThER1AIFKST 5AFEP F q BLS0 SHEET &4B5LSR BAL5A LE between two %-in-wide spars youre using /32 rod recommend youll drilling %-in hole youre using /6 rod hole will measure % diameter center %-in hole should % bottom airfoil /6 bottom Wi center /32 hole will 3%4 bottom airfoil 3%4 bottom Wi either case distance bottom edge hole rib top rib bottom spar notch should one-fourth inch Im getting ahead myself purpose want have idea everything falls place example before assembling wing assemble rib 540O f1S 4545 6508 BALSA TIMESPAR SPACER 51W 7 yR SECTION TORE OCTAIL SPLIT TWO SVMSO SU TO FORM SVH SHIMS-CUT N TRIM TO FIT SPACE ABOVE ASS RELOW WINO TORE IR AS MALSA WITH 144 PLOPLANE N SAND TOP AUSS BOTTOM TRAILINS IL lOW lOS SPHSCE CANOPY DOVETAIL AS SHOWN SECTION RALSA BUSCHA IC-/ REMOVE FOS AU BATTERYELDO RECEIVERSERVO 7 SE BLOCK IS NUDE OFTOW SOSH MADE PIECES OF IO4 BASSWOODESTRUDED ALUM IOROWNlOS PLO FUSERUSHES SERVO IL7 BOO MA 102 AC Wi 4%-in wing rod tube follows Lay rib flat work surface Insert tube straight up check sides squareness glue place During wing assembly add W 1-tube unit bottom spar tube will fall over touch spar rib will tilted 31/3 degrees tube 3 t/3 degree angle space under tube should high root rib outboard end tube four inches outboard root rib should no space under tube use Y16 rod /32 tube youll need shim /64 both front behind tube keep center %-in-wide spars sure plug ends wing tubes / /16 ply balsa gluing securely place keeps excessive glue out tubes during wing assembly Dos donts 1 Use drill template piece brass tubing small teeth filed cutting edge drill holes Dont use twist drill will drift off side 2 Use good-quality sandable aliphatic glue balsa parts cyanoacrylate such Zap specified good slow-drying epoxy high-strength 30 Model Aviation wing tip ribs have cut length W15 through W25 ribs stacked tops W16 through W24 ribs contoured airfoil shape ribs have tapered proper contour top spar notch has recut wing sheeting leading edge around spoilers inner feiring added pIece spoiler area will cut out between pins corner spoiler bay Full-Size Plans Available Page 188 025 MUSIC WIREH-1W211K PLY WEBIWIK PLY CaTY WOESMAKE 2MARE 2MAKE H OPTIOSEL HELD DOWN HOOK FOR-R1W4-"V CUT TO -A REEK HATCH COVER B SPOILERSosaFIT 1202 ECH ESEKE 4 -I- K/H HARD RALSU I/HZ PLO MUHE 2 PLYWOOD WING / BRACES INDARD AND TIP ElKS 20 WEWIWI TEED MIS WID WI rERUWAWITHRUWTWITEEUWEEH 2 THEA MSCD ONLYME --CDTOOT FOR SPOILERS 11 IWBII4IrBALSA H III IW32 TWEI I4IWE ELT 3/02 5/V L ALUM TUBE CA TO PLY CARPET THREAD MITE SMALL LOOP WINO OPACER BLOCEREAR HATCH COVER I/BElA HOLE 0 - REMOVE AFTER DRILLING FOE 3/1K 55 BALSA SPACERS WHO PLY ROTH KNOT SHOWN POE ELEVATOR ROES DETAIL 1/1K PHENOLIC OK OTEEL RODE REQUIRED WINGI11/3200DL ISWKDODAL STAADTWO OH 4ETL 1WE 00 K I/H BRASS TUBE BEARING SWH2OD K I/El 0 K HH2 L ROT REQUIRED IS POENELIC SECTION V4 K KWH BALSA DRILL WE VIA PASEROD HOLES WINO RIBS WE PLT MU THEA MS BALSA SKEETIWO BALSA SHEET WA THEE AlA IWIERALSA SKEET M IN ALSA EHEET___________ CTWE SO KALSA IWIA 3W32 EHLSH SKEET IWO KALSA FUSELAGE SIDE VIEWSHEETLDW E FUSELAGE CORNERS SHARP UT THIS POINT PEOGHESSIVELT INCREASE RADIOS APT IWR K ALL CDONEHS TOP AND BHTTVMI I- II-- - - VL-IIIL -J I LlIL-N II1/ -K PH\PS AND BOTTOMIIB ELTAHOD ERVO /PS OS PLTAPT EVEELGOC GIVES DOUBLERWE HOVE RALSA FUSELAGE TOP VIEW -Wv C/TO PLY DOVELEE K 1132 ID K Uo{HDHHrIE ID APT FUSELAGE TOP N ROTTOR WE BEDlAM HARD BALSA 1W2 BALSA 1/1K PHEETLICIWO 3WB TAILEKIDKALSA VI25HSE CANOPY TOP SHEETING SW HASSADHE MISS AEKA 1030 55 IN MIS ACIGRT EU OZ OZ WSV PT HE MODEL AVIATION 3 METER SCOOTER DEGIONED SEAMS BY LEON KINCUIS INKED DEUWINO BY TOE SEMARCO ALL RIVETS SHEET RESERVEDI OF plywood areas 3 Select wood carefully Use straight-grained wing spars Use lightest sheeting available outer wing panels Use hard balsa fuselage sides 4 Be sure make several 1 x 2 x 12in sanding blocks Templates Make wing stabilizer airfoil/drill templates before beginning construction cut templates A6 plywood Make master wing airfoil template first dont drill holes yet Cut Wi wing rib template making /16 smaller master airfoil templateie dimension airfoil minus sheeting maintain accuracy drill holes Wi clamp position master template use guide drilling latter Placed fuselage sides will make accurate master clamping drilling wing rod other required holes also will useful contouring top fuselage laying out shaping fairing blocks piece x %-in spruce spar stock works well stabilizer rib template stab drill template will used drill stab ribs also stab horn horn box Fin rudder Since fuselage will assembled around fin stands reason smaller part should made first Cut out two A2 ply horn box sides shown plan Using stabilizer drill template drill A-in hole stab bearing drill line about five holes rough out clearance slot rear stab spacer tube Lay down side ply box build up around outside edge /6 spacer frame overall thickness should thickness fin after youve added Stab assembly under way two locking collars pivoting shaft house setscrews hold stab place Final sanding will done long sanding blocks second side Confirm measurement before proceeding Remove top side glue A-in OD x /2-in-long stab bearing place bearing should protrude /8 Use /32 wire T-square check squareness Once glue dry grease bearing horn will swivel lubrication simply keep horn accidentally being glued place add top side Accurately position glue horn /32 plywood side glue dry sand parts square front rear Drill A-in hole building board making / deep Place horn box flush building board stab bearing inserted hole build fin around box Build rudder well leave dorsal fin off now Shim rudder trailing edge can simply eyeball Fuselage highly recommend forward sides bottom forward bulkheads well Wi wing ribs built good-quality five-ply aircraft plywood Strength needed area nose will require additional weight case Cut forward sides aircraft ply splice hard balsa Use master airfoil template locate wing rod tube holes wing retainer hook clearance holes spoiler cord clearance holes Sand sides blend smoothly together using master airfoil template contour top fuselage required shape Leave airfoil shape slightly oversized until wing completed sanded Cut fuselage bottom bulkheads aircraft ply balsa Make nose block four pieces A-in basswood cutting out center section lead ballast can added Taper nose block shown Assemble fuselage follows Position bottom Saran Wrap Al5243WHWSWE - 7IIy~j RET LN4 Ifl BALSA SECTION 5 5TRAILING SAGE I.o oVS SAL CRIMP ENS LOG U SASTOLEN BALSA__ SPLYWES 5001 SIMS --WIWA___*3WbOG ENTER St-N ROCKET ThLIZ BALSA WEIGHT STOP SW SASSWSAO SHEET S S-Ifl S-3M POLTSEMAJ SETAIL covered plan Glue nose block bulkheads Set fin/horn box assembly place Note leading edge fin just barely rests bulkhead F8 glue dry add outer housing stabilizer pushrod through bulkheads terminating F8 Add inner pushrod steel flex cable recommended metal clevis Hook up stab horn make sure operates freely Note forget build fin/horn box order assemble fuselage sides youll have substitute piece A-in sheet wood wrapped piece Saran Wrap approximately 114 inch square Make sure drilled slotted rudder pushrod exit just aft F8 before adding sides Install piece uncut brass tubing through wing rod tube holes help align sides use slowdrying epoxy adding sides gives plenty time check everything alignment squareness Since fuselage straight F2 F8 make small 90-degree template check side against wing tube angle equal side clamp around F3 area continue clamping along fuselage F8 clamp sides lower ply section fin and/or rudder post Finally clamp sides nose block 32 Model Aviation sure use master airfoil template Boring weight access hole through align trailing edge wing TE wing spacer block model shown edge taped spot glued CYARd place hole penetrated fuselage fairing blocks Because left weak area tween wing rod tube holes au thor now recommends leaving area solid removing sliding wing out rods gain access weight tubes plywood horn box side Note spac era have added thickness sharp piece 18-in tubing used gouge clearance rudder pushrod housing exit Full-Size Plans Available Page 188 WIT 015 1 /7 A7H PO SBOR5W BALSA ADIOSSECT GRAIN WEBS 0~ PLAN WI-OIBws- OAT _ __ ____I_WABfl__ __ WINGIGHT SIDE BOTTOMB SAC SPB CE W NA GREETERSTAB TOPBOTTOM GOti TOT LEBOISI EDGE STAtIST AREA ISIBBGLSG WOE SECSSON GOBRACETOP B BOTTOM ---I JL NGPLANLEFTSIDE EDGE oeCORO LINE __I___ __ ______ _ADI__ IIfl CCZ -- --A- -#--S---- ---------------2Z----e ~YZT24A7T LRSAB-- SPREE SPARSTOT S BOTTOMWA MWWS1010OIl010BIT 015WIGWITWB- 019001 IACD TABBALSA SlEET CAT RIBS ArAB LSA lilA BALSA SAEET TOP ONE BOTTOM PAR MODEL AVIATION NOM-TRICECESO ARGRGE3 METER SCOOTER DO BALSA SHEETBALSADESIANEC 0 DROWN BY LEON BINCAID SB CROSS SECTIONTROSING EDGENEED DRAWINO CT JOE DEMARCO ISOSPLIT15B A CUT B FITALL RIOSTSSHEET BETWEEN EGUT OTAB BIBBESEBSIEBAGFO anywhere else may required dry add rudder postlfin antenna housing aft fuselage top Use master airfoil template cut two wing fairing blocks %-in basswood Once airfoil shaped taper inner face approximately tubes inserted through fuselage add fairing blocks check taper Trim inside surfaces until outside fairing blocks parallel Insert wing rod making sure its square outside surface glue blocks fuselage point wait until wings almost completed fail properly square off butt wing can always trim fairing blocks Thats lot easier trying square butt face wing Make wing spacer block hinges main wing rod tube rests F2 Add rear hatch cover hinging onto rear wing wire tube Add cross-grained sheeting between sides aft rear hatch cover Sand spacer block hatch cover cross-grained sheeting airfoil shape Cut carve sand canopy block fit over radio area neatly positioned against spacer block canopy spacer blocks may glued together after coveringsimply trim away covering glue areaor may left separate Cut strips in spruce inside width fuselage Glue bottom canopy accurately position Wings Note bottom W25 Continued page 64 Left top fuselage has sanded shape canopy has fitted spoiler block piece balsa has removea spacer block wing rod tube can snapped Right Tail components standard tow hook phenolic tail skid ready assembly tail skid dark triangular-shaped object left tow hook Note phenolic rudder horn place AC~7fl IIMJVATIVk MODEL PRODUCTS INC BRINGS YOU. R STRONGno Penrab FMz SUPERFLEXASLE W\WOTO/ SUPER FASTU GRIPS TIGHT WHERE OTHERS OOWT REMOVABLE WITHOUT TRACESUPER ADHESIVE 2I1 BIG 3 7 oz TUBE Totally Clear Simple Ste 009 Part No Maring iloids Canopina ANY Materiel incloding Plastic Coverings Nt Fogging C/ear Pica Aside Plmwleis PiSergiess Adores Sernos Moonted Anynrirete Writlout Pear Totally Bemontie Wioroot Causing Darrnage PPM, available hobby retailer coil Innovative Model Products Toil Pine 800780-3180 18001388-3190 Dealer Inquiries Wanted Add $250 SisH shown earlier Note also positive charge jack lead also connected switch terminal unconnected lead shown disconnect itthe other fuse mateplease see May issue course positive lead battery Moving alongr come another difference Its negative leads collected connected three negative leads need connected togetherjust like before Previously interconnected unused set arming switch terminals served tie-points system pictured interconnected device thatll cost six penniesa wire nut three leads under discussion include negative lead battery negative lead charge jack negative input lead speed control leads stripped insulation about % dont cut nick strands please exposed wire ends manually twisted together lightly just PPM. uSSO SY liE PROS CA Art Joiroson ISee BC Modeler dydi isasel Rarnon Tomes Ikeastert Wtnner US Scale Teaml Bonn topnr lkdior Scale iSV ModelerI Fran Costello IColserilot Plying Modeis 5mg BOlney ISanoreastem icontrilastor Scale tiC Modeler Matters Compeotor Mike Mao lisper Star Fieiicopter Plioll PO Rex 4366Aleaeoebeefro, Margate FL 33063Hobby Lobby $995 gather tightly interconnected screwing blue wire nut Blue particular size wire nut routinely use particular purpose As shown high current carrying wire same high- flex kind previously described generally use 14 16 gauge charge jack wires 20 22 gauge insulated single conductors speaker wire See Bobs discussion speaker wire March issue MA As pictured example arming switch single pole single throw SPST type no longer use new installations preference now double pole version shown sketch So have itone Electric installation technique add collection As mentioned earlier purpose mini-series offer variety wiring options consideration selection idea see what variations possible choose among offered come up own custom 6917 W 59th St tiaumumm K&S Engineeringrn-rnTools Chicago IL 60638 * Model 212 il lype iron gives 30 WaIts capacity last heat field repairs using 12 volt battery power * Model 300 Iron gives YOU 30 Waifs capacity light Weight pencil type iron * Model 910Iron has capacity 60 watts heavy duty iron * Model 1210 Gun provides 100 watts capacity heats instantly Send $100 catalog prices phone 312/586-8503 0 Model 910 Model 300 /j2ModeI 212 PFMixss THE WORK O MANY ADHESIWS Us4 As Thread Lock Better Silicone Dries 1/4 Tire Time Better C/As Attactring CanopAs P/i Plastic Pod Pitiertiats Paris variation Remember installations have motor battery everything else Its latter area have real opportunity own customizing develop installation best suited both model Incidentally case wondering newer models have equipped speed control remaining uncommitted entityie soldered part harness rather has connectors both its input output Thus its easy swap speed controls outwhich test evaluation purposes unitized wiring version shown earlier models Whatever both methods very workable approaches So much another month time read country should well past winter blues sky blues Happy Quiet-Power Landings EveryoneD Scooter/Ki ncaid Continued page 33 matches shape WI Consequently ribs can cut using Wi template Make two ribs %-in ply 10 %-in balsa 38 5A6 /32 sheet balsa Twenty 38 ribs will used tapered tip panels Select 10 left panel 10 right Using thin-line felt-tip pen mark two ribs W16 two W17 continuing through W25 Place spars plan insert rib its correct location felt-tip pen mark ribs excess cut off leading trailing edges Contour top airfoil two W25 ribs shown plan Using short piece % x %-in spar stock stack W15 through W25 ribs contour tops W16 through W24 ribs Follow same procedure opposite panel will have recut top spar notch tapered ribs Cut leading trailing edge sheeting proper length panel Make leading edge sheeting Continued poge 73 64 Model Aviation Scooter/Kincaid Continued page 64 about wider shown drawing since contours over ribs Cut off excess later Begin wing assembly pinning bottom leading edge sheeting place plan Position bottom spar edge sheeting checking distance straightedge Secure spars holding weighting down pinning glue place CyA cyanoacrylate adhesives work well Add sheet trailing edge Again dont pin down Remember use A-in shim under trailing edge under Saran Wrap during assembly Add ribs W6 through W14 W16 through W25 ribs Glue spar area leading trailing edge sheeting Add Wl plywood rib brass tubing Tilt rib until tubing touches bottom spar rib tubing will 3 degrees Align tubing spar add drop CyA hold place Make % x 4%4 x 6%-in spar spacer two pieces balsa measuring % x Ys x 6% other measuring /64 x % x 6% Attach spacer bottom spar flush against end tube Youll need spacing spars locations no ribs Add main top spars panels / x A-in balsa spar framing spoiler center panels youre using optional flaps omit spoilers framing Add /16 ply web/brace side tube area Add tapered shims primarily fill up space lots epoxy area around brass tube Before epoxy runs out add other /16 ply web/brace tube area dry cut trim W2 through W5 glue place Add remaining ply webs vertical-grained balsa webs Plane sand leading edge glue ribs long straightedge piece old trailing edge stock shim wedge leading edge sheeting against ribs CyA place Go slowly bending sheeting work until has glued ribs leading edge Leave top sheeting off now Because undercambered airfoil tip ribs will touching bottom sheet trailing edge trailing edge properly positioned pinned down apply slight finger pressure top rib turn until bends lies flat trailing edge Add drop CyA being careful glue finger rib release finger pressure trailing edge will lift up rib ribs Continued page 74 U. U ECONOMICAL Ultra Wingman offers ten distinct functions compact hand-held unit Actual size 4 x 73/4 18 cable SALES & CUSTOMER SERVICE TM ULTRA ME WIN CHAff U U U U U U U U U U U U U U U Glow Plug Driver Tachometer Exhaust GasTemperature Indicator Expanded-ScaleVoltmeter Pm-Flight Check Pm-Flight Select Decibel Meter Timer Modes Pattern Select Ambient Temperature ULTRA WINGMAN $20000 Includes Unit cable battery pack charger Helicopter Version $21000 Airborne-Sensor Pack $4000 CONVENIENT The Ultra Wingman achieves multiple functions such Glow Plug driver Exhaust Gas Temperature indicator Tachometer Expanded Scale Voltmeter through connection model airborne-sensor pack approx 1 ounce easily installed drilling half inch hole fuselage routing four leads appropriate positions SAFE The Ultra Wingman offers safe ignition glow plug well simultaneous reading RPMs Exhaust Gas Temperature through single connection safely distanced prop same connection frequent receiver battery pack checks made easy Ultra Wingmans loaded digital Expanded Scale Voltmeter Pre-Flight Check list provided help assure safe preparation operation model U U U U U U U 5455 LINGER LONGER ROAD CUMMING GA 30130 July1991 73 U U U U U U U U U U U U U U U U U U ZE U U U SPECIALISTSINCUSTOMCOX TEE DEE& REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITIONACCESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREEBRANDSOFGLOWPLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARK PLUGS SILK8 COLORS QUALITYDOPE BRUSHES 5& 7LOOP 1/4RUBBERBANDS TRANSISTORIGNITIONSYSTEMS RESIS TOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER P0 WER KITS PROPS TISSUEAND OTHER SUPPLIES C YANOA CR YLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS attached add top trailing edge sheeting add /2-in-wide plyand-balsa trailing edge time Remove panels building board dry Block sand ends polyhedral break until panels fit together perfectly Lay center panel back building board prop tip panel correct angle butt glue panels together Wipe away excess glue assembly dry add 3/5-inwide brace between spars %2 ply braces side spar joint back side leading edge Add pasteboard rocket tubes Estes BT-5 additional ballast Reposition wing center panel building board Add top leading edge sheeting completely dry raise shim center panels until outer tip panels lying flat add tip panel sheeting Check proper washout before pins have added Twist tip necessary until trailing edge about / higher tip polyhedral break washout correctly established add remaining pins Cut trim sand excess sheeting leading edge Add / x 3/5-in hard balsa spruce leading edge cap Add inboard center panel fairing sheet bottom wing Add diagonal-grained basswood block anchors wing retainer eye screws Add piece balsa /2 sq approximately 1% long support positioning between Wl W2 above A-in hole rear wing wire tube insert %-in-OD brass wing wire tubing wing proper angle proceed follows Remove tubing fuselage Install wing half main wing rod Using long extension drill piece A-in-OD tubing coarse teeth filed end insert tubing through fuselage inside fairing block A-in hole Wi ply rib Drill through /2-in support block until youve penetrated rib W2 Remove first wing half drill opposite Add little glue / x 2A-in-long tube insert newly drilled holes Dont forget crimp end tubing prevent wire entering too far Install spoiler cord tubing should rather stiff Add top fairing sheeting cap strips Temporarily install spoilers holding place small hooks rubberbands within spoiler bay Align bottom -in-wide plyand-balsa trailing edge ply side down bottom wing Tape trailing edge temporarily place spot glue CyA Check alignment its correct remove tape glue trailing edge place Add lightweight balsa block wing tips Make sure airfoil-shaped viewed end Taper tips top slightly bottom continuing chord line Round corners fair completed wings ready trimming sanding Plane away excess balsa tops trailing edge spoilers leading edge Sand areas final shape reconunend making female airfoil template using least first third wing Stabilator built relatively quickly Build two halves almost flat sand final shape ribs % wide same length root rib Cut four ribs x %-in spruce spar stock 10 /~ /32 sheet balsa Use stabilator drill template drill ribs Using two pieces A-in-OD tubing stack stab half taper ribs % wide root /4 wide tip Leave rib ends square point Notch ribs /16 x -in spars Place bottom spar both stabilator halves over plan Glue rib spar cut away excess leading edge material Add slightly tapered A-in balsa webs/spacers between rib Make sure spacer level spar notch Add top spar Add leading trailing edges may done either stab halves building board picking up judging fit eye certain notch trailing edge ribs Add tip blocks gussets tubing latter should flush face spruce rib also add aluminum wheel collar Perfect brand drill tap 4-40 allen-head setscrew dry add A- 3/6-in-thick %-in-wide spacer rib face root rib Cut clearance holes spacer rib stab bearing spacer tube horn box Trim trailing edge rudder clearance Contour leading edge razor plane sanding blocks Sand ribs fair leading trailing edge stock Covering havent flown well still enjoy hearing nice plane looks neat construction secret Make good use sanding blocks top off neat covering job dont need lot trim look good fact too much trim looks vulgar adds drag 74 Model Aviation OUR RE V-UP IN yEN TOR Y VERA GES 0 VER 9000 PROPS! IMMEDIA TESHIPMENTON VISA/MC SAMS MODELS SPITFIRE England13 or26 span Europes lead ng F ee F ght & V ntage specialist SAMS 1600 item catalog FREE Send $2 postage SAMS Chapel Sandon Herts SG9 OQJ England NOTE $ biIlsfVlSA/ Master Card hecks & stamps valid England highly recommend covering very dry days must bring model airconditioned house 24 48 hours before covering Covering laid over damp frame will wrinlde first dry day Although can use covering material desired recommend MonoKote use Black Baron canopy wing tips since works beautifully compound curves Radio installation fuselage rather narrow standard 500-mAh flat battery pack will fit fine little clearance carved out canopy block new AA 500-mAh AAE 600mAh flat packs 1% high fit perfectly area between Fl F2 will take two standard servos receiver placed between F2 F3 usually put receiver elevator servo between Fl F2 rudder servo between F2 F3 Having found standardsize servo spoilers fits rather tightly Ive using microservo mounted between F3 F4 pushrod housing has different diameter may able accommodate standard servo Mount switch bulkhead F2 install Du-Bro switch mount high F2 Though retractable tow hook isnt required heavyweight Unlimited class Sailplane such Fourmost hook will fit under Futaba servo presumably under standard servos want use book can activated spoiler servo microservo such Futaba S-33 mounted directly front book next F2 An E-Z connector mounted arm hook will allow pull string clear rudder servo arm microservo installation tight slip looped spoiler pull string over ball links arms spoiler servo using toothpick secure other end spoiler Thats needs toothpick will tighten string pulled Flying 3M Scooter stable trainer Turns fairly tight stalls very shallow Theres nothing tricky about model cant say competitive Sailplanes 58 oz first prototype too light Making about six ounces heavier gave optimal flight times suggest locating center-of-gravity right middle spar tow hook either exactly just slightly forward CG After fly plane way safe wayand learn its characteristics can move CG aft reduce decalage considerably increase gliding speed extra ballast windy days slide Exclusively Canopies Two Sizes Small 3/16 47 mm Large 1/4 64 mm Fourmost Canopy Trim flexible black vinyl strip preformed make perfect mounting trim canopies 4 Feet 1 22 meters per package Because the Canopy Trims unique shape flexibility will contour both flat round fuselages Canopy Trim secures canopy place well providing realistic black outline Canopy Trim may easily installed just razor blade CA adhesive Small Product No 139Large Product No 140 Price $295 FOURMOST PRODUCTS 503 357-2732 wings about inch out wing rods insert -in-0D 1-in-long slugs need half much weight insert six /2 x 1-in pieces wood dowel six slugs wing panel can accommodate up 12 l-in-long units know lead best have using steel slugs anyway Also nice would /2-in-OD brass Slow-floating Sailpianes look beautiful aloft often theyre unable get out bad air quickly enough other extreme models attain speeds 50 80 mph disadvantage cant find super lift Without ability high-powered ships will ground no time 3-Meter Scooter strikes happy medium Have fun youre finding out yourself II RC Giant Scale/de Vries Continued page 35 what obviously very large models might included Giant category Ive received letter Ford Lloyd Australia no less indicates folks Down Under have come up nifty way categorize big ducted fan monoplanes Australian rulea Giant monoplane fuselage wing span two meters 79 largerseems handle problem rather neatly response column about templates George Chwascinski Nashville Illinois has come up another material sounds great George bought roll freezer paper about two bucks traces pattern piece paper sticks balsa plywood using MonoKote iron After part cut out sanded freezer paper can stripped offneat clean Its quick way produce Giant Scale model parts youre scratchbuilding youd like Supermarine Spitfire pilot Giant Scale-sized Ralph Ropp PO Box 608 Rocklin California 95677 tel 916/782-6616 has set drawings accessories Ralphs drawn Mark IX version beautiful British warbird scale spans 110 inches Sachs-Dolmer 58 cuin engine should weigh out 35 40 pounds ready fly built-up construction Mr Ropps Spit should magnificent project prices some Big Bird kits heading stratosphere sure nice July 1991 75 Canopy Trim VS SailDianes Bob Fiorenzej Hobby Center Inc UPS Orders Shipped Oeily Deoler Yellow Airoraft Send $300 Yellow Info Paclwgo Visit Showroom 36 win OrorwyWorldl -NEW cumom Building Servce 420 West SR 434407327-8353 Winter Springe FL 32708Fax 407327-7148 FOR ThE ENTHuSIAST INCLUDING PERFORMANCE TYPES POWER-SCALE TYPES UGHT AND HEAVY UFT SPEED AND AEROSAliC FOR COMPLETE CATALOG SEND $1 STAMPS OK VS SAILPLANES 2317 N 63RD DEPT MA SEATTLE WA 98103 206 525 5776 AFTER 5 PM
Edition: Model Aviation - 1991/07
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 64, 73, 74, 75
NO OCR TEXT NO OCR TEXT hole setscrew locks stab place reinforced ring Mono Kote Trim Sheet alien wrench oper ates setscrew has inserted hole horn tail skid made l phenolic although Goldberg horn small tail skid also work fine onepiece rudder hinge wire has bent secured bottom rudder undercamber should cause no problems Adding %-in shim under trailing edge keeps bottom spar flat rib position top spar will 90 degrees above bottom spar point onward wing built exactly flat-bottomed airfoil wing tip panel ribs cut out using root rib Wi shown plan maintain same bottom contour root rib upper camber different reduces Phillips entry raises trailing edge slightly makes chord line almost two degrees less tip root get almost two degrees aerodynamic washout right off building board Obtaining correct dihedral angle depends proper drilling wing rod tube hole plywood rib Wi Until recently used Windsong /I6 x 10-in steel wing rod Although works extremely well new Lovesong / x 10-in rod better Lavesong rod requires 3A-in-OD brass tube wing fits perfectly sandwiched Len I NC nomemaae tow nooin crarica tram zu i u -extrusion aluminum Right Close-up aluminum tow NOOK snowing wing mount An extra Il sheeting added bottom fuselage order inlay-mount hook flush bottom 28 Model Aviation Looking down control layout Shown 600-mAh AE battery receiver elevator servo bulkhead-mounted switch rudder servo wing retainer hooks spoiler servo pull strings over bail links Also note small hook holds down rear hatch cover siuiu-uuwn OUUKU inorinuiiy unmy una requirsa Tar raisca spoiler ana tube pull string carpet thread used held place small toothpicks look wing root snows noics ior vent weignt tube wing rod spoiier cord rear wing rod Both vent spoiler cord hole originally used alignment pins x 3/ BRLSA TE STOCK AI BKL3R/ BRLSfl SET 77 Y43/asLsR BLSA SHEET N0- NBRSfl7EThER1AIFKST 5AFEP F q BLS0 SHEET &4B5LSR BAL5A LE between two %-in-wide spars youre using /32 rod recommend youll drilling %-in hole youre using /6 rod hole will measure % diameter center %-in hole should % bottom airfoil /6 bottom Wi center /32 hole will 3%4 bottom airfoil 3%4 bottom Wi either case distance bottom edge hole rib top rib bottom spar notch should one-fourth inch Im getting ahead myself purpose want have idea everything falls place example before assembling wing assemble rib 540O f1S 4545 6508 BALSA TIMESPAR SPACER 51W 7 yR SECTION TORE OCTAIL SPLIT TWO SVMSO SU TO FORM SVH SHIMS-CUT N TRIM TO FIT SPACE ABOVE ASS RELOW WINO TORE IR AS MALSA WITH 144 PLOPLANE N SAND TOP AUSS BOTTOM TRAILINS IL lOW lOS SPHSCE CANOPY DOVETAIL AS SHOWN SECTION RALSA BUSCHA IC-/ REMOVE FOS AU BATTERYELDO RECEIVERSERVO 7 SE BLOCK IS NUDE OFTOW SOSH MADE PIECES OF IO4 BASSWOODESTRUDED ALUM IOROWNlOS PLO FUSERUSHES SERVO IL7 BOO MA 102 AC Wi 4%-in wing rod tube follows Lay rib flat work surface Insert tube straight up check sides squareness glue place During wing assembly add W 1-tube unit bottom spar tube will fall over touch spar rib will tilted 31/3 degrees tube 3 t/3 degree angle space under tube should high root rib outboard end tube four inches outboard root rib should no space under tube use Y16 rod /32 tube youll need shim /64 both front behind tube keep center %-in-wide spars sure plug ends wing tubes / /16 ply balsa gluing securely place keeps excessive glue out tubes during wing assembly Dos donts 1 Use drill template piece brass tubing small teeth filed cutting edge drill holes Dont use twist drill will drift off side 2 Use good-quality sandable aliphatic glue balsa parts cyanoacrylate such Zap specified good slow-drying epoxy high-strength 30 Model Aviation wing tip ribs have cut length W15 through W25 ribs stacked tops W16 through W24 ribs contoured airfoil shape ribs have tapered proper contour top spar notch has recut wing sheeting leading edge around spoilers inner feiring added pIece spoiler area will cut out between pins corner spoiler bay Full-Size Plans Available Page 188 025 MUSIC WIREH-1W211K PLY WEBIWIK PLY CaTY WOESMAKE 2MARE 2MAKE H OPTIOSEL HELD DOWN HOOK FOR-R1W4-"V CUT TO -A REEK HATCH COVER B SPOILERSosaFIT 1202 ECH ESEKE 4 -I- K/H HARD RALSU I/HZ PLO MUHE 2 PLYWOOD WING / BRACES INDARD AND TIP ElKS 20 WEWIWI TEED MIS WID WI rERUWAWITHRUWTWITEEUWEEH 2 THEA MSCD ONLYME --CDTOOT FOR SPOILERS 11 IWBII4IrBALSA H III IW32 TWEI I4IWE ELT 3/02 5/V L ALUM TUBE CA TO PLY CARPET THREAD MITE SMALL LOOP WINO OPACER BLOCEREAR HATCH COVER I/BElA HOLE 0 - REMOVE AFTER DRILLING FOE 3/1K 55 BALSA SPACERS WHO PLY ROTH KNOT SHOWN POE ELEVATOR ROES DETAIL 1/1K PHENOLIC OK OTEEL RODE REQUIRED WINGI11/3200DL ISWKDODAL STAADTWO OH 4ETL 1WE 00 K I/H BRASS TUBE BEARING SWH2OD K I/El 0 K HH2 L ROT REQUIRED IS POENELIC SECTION V4 K KWH BALSA DRILL WE VIA PASEROD HOLES WINO RIBS WE PLT MU THEA MS BALSA SKEETIWO BALSA SHEET WA THEE AlA IWIERALSA SKEET M IN ALSA EHEET___________ CTWE SO KALSA IWIA 3W32 EHLSH SKEET IWO KALSA FUSELAGE SIDE VIEWSHEETLDW E FUSELAGE CORNERS SHARP UT THIS POINT PEOGHESSIVELT INCREASE RADIOS APT IWR K ALL CDONEHS TOP AND BHTTVMI I- II-- - - VL-IIIL -J I LlIL-N II1/ -K PH\PS AND BOTTOMIIB ELTAHOD ERVO /PS OS PLTAPT EVEELGOC GIVES DOUBLERWE HOVE RALSA FUSELAGE TOP VIEW -Wv C/TO PLY DOVELEE K 1132 ID K Uo{HDHHrIE ID APT FUSELAGE TOP N ROTTOR WE BEDlAM HARD BALSA 1W2 BALSA 1/1K PHEETLICIWO 3WB TAILEKIDKALSA VI25HSE CANOPY TOP SHEETING SW HASSADHE MISS AEKA 1030 55 IN MIS ACIGRT EU OZ OZ WSV PT HE MODEL AVIATION 3 METER SCOOTER DEGIONED SEAMS BY LEON KINCUIS INKED DEUWINO BY TOE SEMARCO ALL RIVETS SHEET RESERVEDI OF plywood areas 3 Select wood carefully Use straight-grained wing spars Use lightest sheeting available outer wing panels Use hard balsa fuselage sides 4 Be sure make several 1 x 2 x 12in sanding blocks Templates Make wing stabilizer airfoil/drill templates before beginning construction cut templates A6 plywood Make master wing airfoil template first dont drill holes yet Cut Wi wing rib template making /16 smaller master airfoil templateie dimension airfoil minus sheeting maintain accuracy drill holes Wi clamp position master template use guide drilling latter Placed fuselage sides will make accurate master clamping drilling wing rod other required holes also will useful contouring top fuselage laying out shaping fairing blocks piece x %-in spruce spar stock works well stabilizer rib template stab drill template will used drill stab ribs also stab horn horn box Fin rudder Since fuselage will assembled around fin stands reason smaller part should made first Cut out two A2 ply horn box sides shown plan Using stabilizer drill template drill A-in hole stab bearing drill line about five holes rough out clearance slot rear stab spacer tube Lay down side ply box build up around outside edge /6 spacer frame overall thickness should thickness fin after youve added Stab assembly under way two locking collars pivoting shaft house setscrews hold stab place Final sanding will done long sanding blocks second side Confirm measurement before proceeding Remove top side glue A-in OD x /2-in-long stab bearing place bearing should protrude /8 Use /32 wire T-square check squareness Once glue dry grease bearing horn will swivel lubrication simply keep horn accidentally being glued place add top side Accurately position glue horn /32 plywood side glue dry sand parts square front rear Drill A-in hole building board making / deep Place horn box flush building board stab bearing inserted hole build fin around box Build rudder well leave dorsal fin off now Shim rudder trailing edge can simply eyeball Fuselage highly recommend forward sides bottom forward bulkheads well Wi wing ribs built good-quality five-ply aircraft plywood Strength needed area nose will require additional weight case Cut forward sides aircraft ply splice hard balsa Use master airfoil template locate wing rod tube holes wing retainer hook clearance holes spoiler cord clearance holes Sand sides blend smoothly together using master airfoil template contour top fuselage required shape Leave airfoil shape slightly oversized until wing completed sanded Cut fuselage bottom bulkheads aircraft ply balsa Make nose block four pieces A-in basswood cutting out center section lead ballast can added Taper nose block shown Assemble fuselage follows Position bottom Saran Wrap Al5243WHWSWE - 7IIy~j RET LN4 Ifl BALSA SECTION 5 5TRAILING SAGE I.o oVS SAL CRIMP ENS LOG U SASTOLEN BALSA__ SPLYWES 5001 SIMS --WIWA___*3WbOG ENTER St-N ROCKET ThLIZ BALSA WEIGHT STOP SW SASSWSAO SHEET S S-Ifl S-3M POLTSEMAJ SETAIL covered plan Glue nose block bulkheads Set fin/horn box assembly place Note leading edge fin just barely rests bulkhead F8 glue dry add outer housing stabilizer pushrod through bulkheads terminating F8 Add inner pushrod steel flex cable recommended metal clevis Hook up stab horn make sure operates freely Note forget build fin/horn box order assemble fuselage sides youll have substitute piece A-in sheet wood wrapped piece Saran Wrap approximately 114 inch square Make sure drilled slotted rudder pushrod exit just aft F8 before adding sides Install piece uncut brass tubing through wing rod tube holes help align sides use slowdrying epoxy adding sides gives plenty time check everything alignment squareness Since fuselage straight F2 F8 make small 90-degree template check side against wing tube angle equal side clamp around F3 area continue clamping along fuselage F8 clamp sides lower ply section fin and/or rudder post Finally clamp sides nose block 32 Model Aviation sure use master airfoil template Boring weight access hole through align trailing edge wing TE wing spacer block model shown edge taped spot glued CYARd place hole penetrated fuselage fairing blocks Because left weak area tween wing rod tube holes au thor now recommends leaving area solid removing sliding wing out rods gain access weight tubes plywood horn box side Note spac era have added thickness sharp piece 18-in tubing used gouge clearance rudder pushrod housing exit Full-Size Plans Available Page 188 WIT 015 1 /7 A7H PO SBOR5W BALSA ADIOSSECT GRAIN WEBS 0~ PLAN WI-OIBws- OAT _ __ ____I_WABfl__ __ WINGIGHT SIDE BOTTOMB SAC SPB CE W NA GREETERSTAB TOPBOTTOM GOti TOT LEBOISI EDGE STAtIST AREA ISIBBGLSG WOE SECSSON GOBRACETOP B BOTTOM ---I JL NGPLANLEFTSIDE EDGE oeCORO LINE __I___ __ ______ _ADI__ IIfl CCZ -- --A- -#--S---- ---------------2Z----e ~YZT24A7T LRSAB-- SPREE SPARSTOT S BOTTOMWA MWWS1010OIl010BIT 015WIGWITWB- 019001 IACD TABBALSA SlEET CAT RIBS ArAB LSA lilA BALSA SAEET TOP ONE BOTTOM PAR MODEL AVIATION NOM-TRICECESO ARGRGE3 METER SCOOTER DO BALSA SHEETBALSADESIANEC 0 DROWN BY LEON BINCAID SB CROSS SECTIONTROSING EDGENEED DRAWINO CT JOE DEMARCO ISOSPLIT15B A CUT B FITALL RIOSTSSHEET BETWEEN EGUT OTAB BIBBESEBSIEBAGFO anywhere else may required dry add rudder postlfin antenna housing aft fuselage top Use master airfoil template cut two wing fairing blocks %-in basswood Once airfoil shaped taper inner face approximately tubes inserted through fuselage add fairing blocks check taper Trim inside surfaces until outside fairing blocks parallel Insert wing rod making sure its square outside surface glue blocks fuselage point wait until wings almost completed fail properly square off butt wing can always trim fairing blocks Thats lot easier trying square butt face wing Make wing spacer block hinges main wing rod tube rests F2 Add rear hatch cover hinging onto rear wing wire tube Add cross-grained sheeting between sides aft rear hatch cover Sand spacer block hatch cover cross-grained sheeting airfoil shape Cut carve sand canopy block fit over radio area neatly positioned against spacer block canopy spacer blocks may glued together after coveringsimply trim away covering glue areaor may left separate Cut strips in spruce inside width fuselage Glue bottom canopy accurately position Wings Note bottom W25 Continued page 64 Left top fuselage has sanded shape canopy has fitted spoiler block piece balsa has removea spacer block wing rod tube can snapped Right Tail components standard tow hook phenolic tail skid ready assembly tail skid dark triangular-shaped object left tow hook Note phenolic rudder horn place AC~7fl IIMJVATIVk MODEL PRODUCTS INC BRINGS YOU. R STRONGno Penrab FMz SUPERFLEXASLE W\WOTO/ SUPER FASTU GRIPS TIGHT WHERE OTHERS OOWT REMOVABLE WITHOUT TRACESUPER ADHESIVE 2I1 BIG 3 7 oz TUBE Totally Clear Simple Ste 009 Part No Maring iloids Canopina ANY Materiel incloding Plastic Coverings Nt Fogging C/ear Pica Aside Plmwleis PiSergiess Adores Sernos Moonted Anynrirete Writlout Pear Totally Bemontie Wioroot Causing Darrnage PPM, available hobby retailer coil Innovative Model Products Toil Pine 800780-3180 18001388-3190 Dealer Inquiries Wanted Add $250 SisH shown earlier Note also positive charge jack lead also connected switch terminal unconnected lead shown disconnect itthe other fuse mateplease see May issue course positive lead battery Moving alongr come another difference Its negative leads collected connected three negative leads need connected togetherjust like before Previously interconnected unused set arming switch terminals served tie-points system pictured interconnected device thatll cost six penniesa wire nut three leads under discussion include negative lead battery negative lead charge jack negative input lead speed control leads stripped insulation about % dont cut nick strands please exposed wire ends manually twisted together lightly just PPM. uSSO SY liE PROS CA Art Joiroson ISee BC Modeler dydi isasel Rarnon Tomes Ikeastert Wtnner US Scale Teaml Bonn topnr lkdior Scale iSV ModelerI Fran Costello IColserilot Plying Modeis 5mg BOlney ISanoreastem icontrilastor Scale tiC Modeler Matters Compeotor Mike Mao lisper Star Fieiicopter Plioll PO Rex 4366Aleaeoebeefro, Margate FL 33063Hobby Lobby $995 gather tightly interconnected screwing blue wire nut Blue particular size wire nut routinely use particular purpose As shown high current carrying wire same high- flex kind previously described generally use 14 16 gauge charge jack wires 20 22 gauge insulated single conductors speaker wire See Bobs discussion speaker wire March issue MA As pictured example arming switch single pole single throw SPST type no longer use new installations preference now double pole version shown sketch So have itone Electric installation technique add collection As mentioned earlier purpose mini-series offer variety wiring options consideration selection idea see what variations possible choose among offered come up own custom 6917 W 59th St tiaumumm K&S Engineeringrn-rnTools Chicago IL 60638 * Model 212 il lype iron gives 30 WaIts capacity last heat field repairs using 12 volt battery power * Model 300 Iron gives YOU 30 Waifs capacity light Weight pencil type iron * Model 910Iron has capacity 60 watts heavy duty iron * Model 1210 Gun provides 100 watts capacity heats instantly Send $100 catalog prices phone 312/586-8503 0 Model 910 Model 300 /j2ModeI 212 PFMixss THE WORK O MANY ADHESIWS Us4 As Thread Lock Better Silicone Dries 1/4 Tire Time Better C/As Attactring CanopAs P/i Plastic Pod Pitiertiats Paris variation Remember installations have motor battery everything else Its latter area have real opportunity own customizing develop installation best suited both model Incidentally case wondering newer models have equipped speed control remaining uncommitted entityie soldered part harness rather has connectors both its input output Thus its easy swap speed controls outwhich test evaluation purposes unitized wiring version shown earlier models Whatever both methods very workable approaches So much another month time read country should well past winter blues sky blues Happy Quiet-Power Landings EveryoneD Scooter/Ki ncaid Continued page 33 matches shape WI Consequently ribs can cut using Wi template Make two ribs %-in ply 10 %-in balsa 38 5A6 /32 sheet balsa Twenty 38 ribs will used tapered tip panels Select 10 left panel 10 right Using thin-line felt-tip pen mark two ribs W16 two W17 continuing through W25 Place spars plan insert rib its correct location felt-tip pen mark ribs excess cut off leading trailing edges Contour top airfoil two W25 ribs shown plan Using short piece % x %-in spar stock stack W15 through W25 ribs contour tops W16 through W24 ribs Follow same procedure opposite panel will have recut top spar notch tapered ribs Cut leading trailing edge sheeting proper length panel Make leading edge sheeting Continued poge 73 64 Model Aviation Scooter/Kincaid Continued page 64 about wider shown drawing since contours over ribs Cut off excess later Begin wing assembly pinning bottom leading edge sheeting place plan Position bottom spar edge sheeting checking distance straightedge Secure spars holding weighting down pinning glue place CyA cyanoacrylate adhesives work well Add sheet trailing edge Again dont pin down Remember use A-in shim under trailing edge under Saran Wrap during assembly Add ribs W6 through W14 W16 through W25 ribs Glue spar area leading trailing edge sheeting Add Wl plywood rib brass tubing Tilt rib until tubing touches bottom spar rib tubing will 3 degrees Align tubing spar add drop CyA hold place Make % x 4%4 x 6%-in spar spacer two pieces balsa measuring % x Ys x 6% other measuring /64 x % x 6% Attach spacer bottom spar flush against end tube Youll need spacing spars locations no ribs Add main top spars panels / x A-in balsa spar framing spoiler center panels youre using optional flaps omit spoilers framing Add /16 ply web/brace side tube area Add tapered shims primarily fill up space lots epoxy area around brass tube Before epoxy runs out add other /16 ply web/brace tube area dry cut trim W2 through W5 glue place Add remaining ply webs vertical-grained balsa webs Plane sand leading edge glue ribs long straightedge piece old trailing edge stock shim wedge leading edge sheeting against ribs CyA place Go slowly bending sheeting work until has glued ribs leading edge Leave top sheeting off now Because undercambered airfoil tip ribs will touching bottom sheet trailing edge trailing edge properly positioned pinned down apply slight finger pressure top rib turn until bends lies flat trailing edge Add drop CyA being careful glue finger rib release finger pressure trailing edge will lift up rib ribs Continued page 74 U. U ECONOMICAL Ultra Wingman offers ten distinct functions compact hand-held unit Actual size 4 x 73/4 18 cable SALES & CUSTOMER SERVICE TM ULTRA ME WIN CHAff U U U U U U U U U U U U U U U Glow Plug Driver Tachometer Exhaust GasTemperature Indicator Expanded-ScaleVoltmeter Pm-Flight Check Pm-Flight Select Decibel Meter Timer Modes Pattern Select Ambient Temperature ULTRA WINGMAN $20000 Includes Unit cable battery pack charger Helicopter Version $21000 Airborne-Sensor Pack $4000 CONVENIENT The Ultra Wingman achieves multiple functions such Glow Plug driver Exhaust Gas Temperature indicator Tachometer Expanded Scale Voltmeter through connection model airborne-sensor pack approx 1 ounce easily installed drilling half inch hole fuselage routing four leads appropriate positions SAFE The Ultra Wingman offers safe ignition glow plug well simultaneous reading RPMs Exhaust Gas Temperature through single connection safely distanced prop same connection frequent receiver battery pack checks made easy Ultra Wingmans loaded digital Expanded Scale Voltmeter Pre-Flight Check list provided help assure safe preparation operation model U U U U U U U 5455 LINGER LONGER ROAD CUMMING GA 30130 July1991 73 U U U U U U U U U U U U U U U U U U ZE U U U SPECIALISTSINCUSTOMCOX TEE DEE& REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITIONACCESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREEBRANDSOFGLOWPLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARK PLUGS SILK8 COLORS QUALITYDOPE BRUSHES 5& 7LOOP 1/4RUBBERBANDS TRANSISTORIGNITIONSYSTEMS RESIS TOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER P0 WER KITS PROPS TISSUEAND OTHER SUPPLIES C YANOA CR YLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS attached add top trailing edge sheeting add /2-in-wide plyand-balsa trailing edge time Remove panels building board dry Block sand ends polyhedral break until panels fit together perfectly Lay center panel back building board prop tip panel correct angle butt glue panels together Wipe away excess glue assembly dry add 3/5-inwide brace between spars %2 ply braces side spar joint back side leading edge Add pasteboard rocket tubes Estes BT-5 additional ballast Reposition wing center panel building board Add top leading edge sheeting completely dry raise shim center panels until outer tip panels lying flat add tip panel sheeting Check proper washout before pins have added Twist tip necessary until trailing edge about / higher tip polyhedral break washout correctly established add remaining pins Cut trim sand excess sheeting leading edge Add / x 3/5-in hard balsa spruce leading edge cap Add inboard center panel fairing sheet bottom wing Add diagonal-grained basswood block anchors wing retainer eye screws Add piece balsa /2 sq approximately 1% long support positioning between Wl W2 above A-in hole rear wing wire tube insert %-in-OD brass wing wire tubing wing proper angle proceed follows Remove tubing fuselage Install wing half main wing rod Using long extension drill piece A-in-OD tubing coarse teeth filed end insert tubing through fuselage inside fairing block A-in hole Wi ply rib Drill through /2-in support block until youve penetrated rib W2 Remove first wing half drill opposite Add little glue / x 2A-in-long tube insert newly drilled holes Dont forget crimp end tubing prevent wire entering too far Install spoiler cord tubing should rather stiff Add top fairing sheeting cap strips Temporarily install spoilers holding place small hooks rubberbands within spoiler bay Align bottom -in-wide plyand-balsa trailing edge ply side down bottom wing Tape trailing edge temporarily place spot glue CyA Check alignment its correct remove tape glue trailing edge place Add lightweight balsa block wing tips Make sure airfoil-shaped viewed end Taper tips top slightly bottom continuing chord line Round corners fair completed wings ready trimming sanding Plane away excess balsa tops trailing edge spoilers leading edge Sand areas final shape reconunend making female airfoil template using least first third wing Stabilator built relatively quickly Build two halves almost flat sand final shape ribs % wide same length root rib Cut four ribs x %-in spruce spar stock 10 /~ /32 sheet balsa Use stabilator drill template drill ribs Using two pieces A-in-OD tubing stack stab half taper ribs % wide root /4 wide tip Leave rib ends square point Notch ribs /16 x -in spars Place bottom spar both stabilator halves over plan Glue rib spar cut away excess leading edge material Add slightly tapered A-in balsa webs/spacers between rib Make sure spacer level spar notch Add top spar Add leading trailing edges may done either stab halves building board picking up judging fit eye certain notch trailing edge ribs Add tip blocks gussets tubing latter should flush face spruce rib also add aluminum wheel collar Perfect brand drill tap 4-40 allen-head setscrew dry add A- 3/6-in-thick %-in-wide spacer rib face root rib Cut clearance holes spacer rib stab bearing spacer tube horn box Trim trailing edge rudder clearance Contour leading edge razor plane sanding blocks Sand ribs fair leading trailing edge stock Covering havent flown well still enjoy hearing nice plane looks neat construction secret Make good use sanding blocks top off neat covering job dont need lot trim look good fact too much trim looks vulgar adds drag 74 Model Aviation OUR RE V-UP IN yEN TOR Y VERA GES 0 VER 9000 PROPS! IMMEDIA TESHIPMENTON VISA/MC SAMS MODELS SPITFIRE England13 or26 span Europes lead ng F ee F ght & V ntage specialist SAMS 1600 item catalog FREE Send $2 postage SAMS Chapel Sandon Herts SG9 OQJ England NOTE $ biIlsfVlSA/ Master Card hecks & stamps valid England highly recommend covering very dry days must bring model airconditioned house 24 48 hours before covering Covering laid over damp frame will wrinlde first dry day Although can use covering material desired recommend MonoKote use Black Baron canopy wing tips since works beautifully compound curves Radio installation fuselage rather narrow standard 500-mAh flat battery pack will fit fine little clearance carved out canopy block new AA 500-mAh AAE 600mAh flat packs 1% high fit perfectly area between Fl F2 will take two standard servos receiver placed between F2 F3 usually put receiver elevator servo between Fl F2 rudder servo between F2 F3 Having found standardsize servo spoilers fits rather tightly Ive using microservo mounted between F3 F4 pushrod housing has different diameter may able accommodate standard servo Mount switch bulkhead F2 install Du-Bro switch mount high F2 Though retractable tow hook isnt required heavyweight Unlimited class Sailplane such Fourmost hook will fit under Futaba servo presumably under standard servos want use book can activated spoiler servo microservo such Futaba S-33 mounted directly front book next F2 An E-Z connector mounted arm hook will allow pull string clear rudder servo arm microservo installation tight slip looped spoiler pull string over ball links arms spoiler servo using toothpick secure other end spoiler Thats needs toothpick will tighten string pulled Flying 3M Scooter stable trainer Turns fairly tight stalls very shallow Theres nothing tricky about model cant say competitive Sailplanes 58 oz first prototype too light Making about six ounces heavier gave optimal flight times suggest locating center-of-gravity right middle spar tow hook either exactly just slightly forward CG After fly plane way safe wayand learn its characteristics can move CG aft reduce decalage considerably increase gliding speed extra ballast windy days slide Exclusively Canopies Two Sizes Small 3/16 47 mm Large 1/4 64 mm Fourmost Canopy Trim flexible black vinyl strip preformed make perfect mounting trim canopies 4 Feet 1 22 meters per package Because the Canopy Trims unique shape flexibility will contour both flat round fuselages Canopy Trim secures canopy place well providing realistic black outline Canopy Trim may easily installed just razor blade CA adhesive Small Product No 139Large Product No 140 Price $295 FOURMOST PRODUCTS 503 357-2732 wings about inch out wing rods insert -in-0D 1-in-long slugs need half much weight insert six /2 x 1-in pieces wood dowel six slugs wing panel can accommodate up 12 l-in-long units know lead best have using steel slugs anyway Also nice would /2-in-OD brass Slow-floating Sailpianes look beautiful aloft often theyre unable get out bad air quickly enough other extreme models attain speeds 50 80 mph disadvantage cant find super lift Without ability high-powered ships will ground no time 3-Meter Scooter strikes happy medium Have fun youre finding out yourself II RC Giant Scale/de Vries Continued page 35 what obviously very large models might included Giant category Ive received letter Ford Lloyd Australia no less indicates folks Down Under have come up nifty way categorize big ducted fan monoplanes Australian rulea Giant monoplane fuselage wing span two meters 79 largerseems handle problem rather neatly response column about templates George Chwascinski Nashville Illinois has come up another material sounds great George bought roll freezer paper about two bucks traces pattern piece paper sticks balsa plywood using MonoKote iron After part cut out sanded freezer paper can stripped offneat clean Its quick way produce Giant Scale model parts youre scratchbuilding youd like Supermarine Spitfire pilot Giant Scale-sized Ralph Ropp PO Box 608 Rocklin California 95677 tel 916/782-6616 has set drawings accessories Ralphs drawn Mark IX version beautiful British warbird scale spans 110 inches Sachs-Dolmer 58 cuin engine should weigh out 35 40 pounds ready fly built-up construction Mr Ropps Spit should magnificent project prices some Big Bird kits heading stratosphere sure nice July 1991 75 Canopy Trim VS SailDianes Bob Fiorenzej Hobby Center Inc UPS Orders Shipped Oeily Deoler Yellow Airoraft Send $300 Yellow Info Paclwgo Visit Showroom 36 win OrorwyWorldl -NEW cumom Building Servce 420 West SR 434407327-8353 Winter Springe FL 32708Fax 407327-7148 FOR ThE ENTHuSIAST INCLUDING PERFORMANCE TYPES POWER-SCALE TYPES UGHT AND HEAVY UFT SPEED AND AEROSAliC FOR COMPLETE CATALOG SEND $1 STAMPS OK VS SAILPLANES 2317 N 63RD DEPT MA SEATTLE WA 98103 206 525 5776 AFTER 5 PM