miniature disc Heres tool no re spectable modelbuilding shop should chances youve got nec essary building ma terials already hand shopE Bob Kopski THE MINIATURE disc sander sim pie easily-built battery-powered motor ized tool should find welcome place modelers workshop will useful building virtually kind model plane can think ex cept perhaps delicate door models handy tool indeed models such Old Timers made sticks primarily intended use balsa sander will also nice job smaller cross-sections spruce capable providing out standingly accurate tight joints anglesespecially important using CyA adhesives As can seen photos sketches miniature sander has rela tively few parts Further no really critical dimensions assembly shown some liberty can taken suit own needs interests choice motor relatively unimportant readily available RC car model plane motors will work very well other parts materials available hobby shop hardware store Ra dio Shack actually enough stuff just lying around shop build originalexcept battery holder Begin cutting needed wood pieces May 1991 41 Use external tool set work guide angle small drafting triangle used tween stopped disk guide set accurate 90 angle Hold triangle against disk slide guide against tighten thumbscrew Motor related items inc sanaing aisK plate can made nce n round rough cutting shape mounting motor spinning against another rotating sanding disk electric drill Before after cutting Radio Shack p/n 270 389 four D-cell holder wires come attached unsoidered New connections will made points Note 4-40 screw assembly added hold tapered coil spring other box half remaining coil spring wire rotated up bent back other connections will made 2-7A62——] 2-1/8 BLI NUTS zVi74u WORK TABLE 2- Ii2 II 7' / SLOT t 3/4 -I 3/4 7/8 -AI/8I/4 SPRUCE 1/4 PLY PLATES WORK GUIDE shown base plate orig inal made h-in ply almost flat wood plate % k would satisfactory side rails made standard 1-in x 2-in pine molding stockwhich reality actually measures about never could under stand lumber always smaller its name work table surface cut flat A-in sheet modeling ply adjustable sanding guide 2in-diameter sanding disk plate front panel ON/OFF switch handily mounted can made thin wood material used A-in Lite Ply Other wood parts used housing assembly include four short pieces Basic sander assembly underway A-in sq wood strips nest battery holder halves ends dont spread open under spring pressure cells installed Holders screwed basepiate A-in square balsa spruce box battery holders Also motor mount needs some assorted small wood pieces detailed sketches other wooden piece needed work guide As shown original work guide made piece 2 sq A-in ply notch cut illus trated easy just make up such plate using two nar rower A-in plates separated %2 held together A-in x A-in spruce end pieces glued place guide plate has two strips 120 150 grit sandpaper glued onto under thumbscrew pressure plate wont slip its position work table Note three locations 6-32 blind mounting nuts table surface options combined adjust ability afforded off-center plate slot allow total flexibility angular loca tion guide relative disk sur face always use guide left side table can install blind nuts either both sides word about guide plate thumb screw made 1-in 6-32 machine screw Three 6-32 nuts separated spring lock washers jammed against 42 Model Aviation 4-I/P Detail work guide iiomemaae tnumo screw easy cheap effective Choose screw length wont hit batteries under neath Note sandpaper friction strips giued bottom side guide three blind nut locations Details motor battery switch mounting STRAP -ri-i IiiIII IIIill 1 II I/4x 1-1/2 SANDPAPER 7 vveraii view witn tfle worn table plate re moved Soft plastic foam pieces serve snug flashlight batteries table top place Remove top replace cells other fashion such nut hexes pointed relative other Give drop thin CyA adhe sive makes very cheap thumbscrew hold slotted work guide plate chosen position Sander assembly begins gluing screwing side rails base plate Next what feared would tough task turned out piece o cake Ra dio Shack battery holder best choice could find readily available has cut half shown As purchased holder designed house four D-type flashlight batteries series What really needed however two sets two cells seriesin parallel effect two flash light cells will connected series half battery holder two sets two cells wired parallel done provide three volts substantial capacity run motor Radio Shack battery holder easily modified accomplish above result As purchased holder has center web can removed scoring web pieces side base X Acto knife wiggling plastic piece few times until breaks loose does cleanly Next necessary cut spring wire end battery box crosses side other wire piece extends off tapered wound spring forms negative - contact riveted eyelet form positive act other side used Dremel tool cutoff wheel should do-able pair old wire cuttersthat dont mind nickingor perhaps file cut wire tail coming off nowloose coil spring held plastic box 6-1/2 / 4 SQ t BALSA OR~I-3/4—- 1-1/4 SPRUCE jrA BASE MATERIAL 3/8 TO 3/4 THICK PLYWOOD 7fl1 3/4x 1-5/8 SIDES LE r- SWITCH N 1/8 PLY 4 -J 51/4 L TOP VIEW OF BASE ASSEMBLY 1/4 PLY TABLEX SANDER NO6x3/4FH D SCRE -. jill I/S PLY1 SWITCH..Z~ FRONT 3/4x 1-5/8 3 fCK-ON RUBBER FEET 1/211 BALSA TRIANGLE -3/ / / _ K- 1-1/2-MOTOR MOUNT IIII MOTOR 1-3/8 TO 1-1/2 DIAM TYPICAL 1/211 3/4 HDWD II Th/4 PLY - SHIMS SEE TEXT STRIPS GLUED TO BOTTOM May 1991 43 Parts make up angle transfer device Bottom arm shown held has 4-40 blind mounting nut Tee nut installed shal low recess bottom Sandpaper circle glued over protruding nut boss Homemade thumbscrew installed top side footed arm -in 4-40 machine screw washer solder lug nut re-affixes coil spring also provides electrical con nection point used later Another electrical connection will soldered short piece wire remaining under positive contact rivet next task cut battery holder half easily done cutting right down middle box bottom X-Acto knife using straightedge cut ting guide Make repeated light scoring cuts until through plastic battery holder made rather workable mate rial should have no problem cut point should have two 2-cell holders Following photos sketches set half-holders place against wood side pieces locate two mounting SPRING WIRE CUTOFF\ SOLDER holes base plate wood side pieces now form part battery box side Mount holder using two No 6 x %-in wood sheet metal screws Next CyA four A-in sq x 1 A-in wood strips side rails end battery boxes ends spread open flashlight cells inserted point can glue front switch panel place against front wood strips Ive tried number 540-size model car motors 05 model plane mo tors ordinarily used six seven cell NiCd batteries tried ran very well three-volt battery packs described above Running nip tors higher voltages proved no advant age fact shortened battery life creased operating noise induced SPRING WIRE CUTOFF\ SOLDER ER 4-40 SCREW SOLDER LUG SOLDER SPST SWITCH R S NO 275634 WIRING DIAGRAM SINGLE DIRECTION OPERATION some vibration guess no such model motor described above wont good job suggest find cheapest can possible find neutral timed adjustable neutral runs equally well either direction necessity nice have Ill de scribe its virtues shortly motors described above nearly same outside diameter motor mount shown will work well mount di mension cant pre-determined eas ily height final motor mount height must trimmed shims glued bottom mount motor work table place motor shaft center hence sanding Continued page 189 y SOLDER - -44O SCREW -1--ti WASH ER ff1 SOLDER LUG NUT ~1 D CELLS DER SOLOERN DPDT SWITCH R S NO 275664 WIRING DIAGRAM FOR DUAL DIRECTION OPERATION 44 Model Aviation Heres what piece in balsa looks like being sanded wide angle heres pair end end Awesome fit Heres authors angle transfer device use angle established adjusting arms right over plan snugging thumb screw device used transfer angle work guide plate setting case 3A-in square balsa stick will sanded fit just about perfectly Senlorita stab assembly 4- OTOR INNOVATIVE MODEL PRODUCTS HAS THE RIGHT STUFF BIG 37oz Tu DONT GET YOUR BUTT KICKED! PFMTM REGARDLESS OF WHAT THE SO CALLED COPY-CAT PRODUCTS SAY THE FACTS ARE AS FOLLOWSYOU GET APPROK 253 IIORE PRODUCT WITH PFM PFM IS NOT WATERED DOWNIF YOU ADDED SUPER ADHESIVE THE THINNER THAT THEY DO TO PFM YOU WOULD ALMOST HAVE TWICE THE PRODUcT ONLY PFM IS NON PLAMABLE AND IT PFMUSOSYIISPROS sThsmeaag WILL NOT GIVE OFF TOXIC FUMES WHEN USED AS DIRECTED ~ SO KICK THE COPY-CAT IN THE BUTT AND TAKE US UP ON OUR RINIIOVATIVE MODELS AND HOBBY LOBBY WANT YOU TO BE EeasReaoe5t SAFEI IIERES THE DEALI WE WANT YOU TO BE SAFEI IF YOU HAVE ECIIASED ZAP- A- DAP- A- GOO GOOP OR SHOE 000 BlAND -INNOVATIVE MODEL PEOOUCTB TIIII UNUSED PORTION VITII PItOOF OP TIlE SUPER STROllS SUPER FLIXABIE PRICE YOU RAVE PAID AiD CIIECIC POE 5995 MINUS TEE PRICE YOU PAID SUPER FAST AND YR WILL SEND YOU NSIV TUBE OP SUPER PPM NOT SMALL SAMPLE SEPSTlIt4TWHEREIThEllISOXE PULL SIZE TODD AND YOU CAN BET YOU VDNT 11USD THE GAIG SVASLEWITRtIITATRACE TO CONVINCE TOO TO EVITCHI itINNOVATIVE WANTS TO CONORADULATEflAMON AND tIdaL Cal lasaclivi ModelPOPPY TORRES FOR OUTSTAHOINO FINISh AT THE AJoObhfro WORLD SCALE CHAh4PIONSHIPSWERE OLAD PFI4 WAS ,Ik, ~OUR SUCCESSI mitsnjtlmlattlmrnaNtNttEtntSaEtIlIlllIitBtlttlSBSNIINm 1991 Catalogs $300 COMING THIS SPRING. VOUGHT F4U CORSAIR SPAN 56 IN ALSO REPUBLIC P-47 THUNDERBOLT 80 IN SPAN Innovative kits have full compliment scale accessories gun hoods bumps blisters molded gear doors fully detailed views Whether want scale max Sunday fly dont get let Out ifl coldi SCALE WAR BIRDS THAT COST AS LI1TLE AS THE ARFS YET WONT TAKE LIFE TIME TO BUILD LIKE OTHER SCALE KITS design kits suit levels skilli Innovative kits feature i-Glass fuselages ine cut foam cores est grade bales s blisters scale details could makel s used design kit assures accurate outlineal r conaise instruction along true accurate planal telephone support will help youl CHECK THESE OPTIONS ! [xl Complete cockpit kits models lxi Bombs tanks hard points [xl Pilots [xl Scale Tires snd Hubsl [xl Retracts support equipmentl INNOVATIVE MODEL PRODUCTS PO Box 4365 Margate FL 33063 NMPRA/Hager Continued page 184 2 Dave Shadel Brian Richmond 4 Norm JDhnsDn 5 Peter Bergstrom 6 Lyle Larson 7 Dave Layman 8 Don McStay 9 Bill Hager 10 PaulBenezra 11 ClarkWade 12 Mike Helael i3 Darrol Cady 14 DubJeft 15 Lou Rodriguez 16 Bob Greer 17 Tom Strom 18 Richard Verano 19 Bruce Brown 20 Pete Reed Kazi Toni Shark Toni Mustang PoleCat Toni Toni Stinger 4011184 3910857 3911189 3611372 3611203 3511004 3411396 3111378 3111328 3111526 3011149 2911152 2911301 2911362 2911451 2711280 2611324 2611900 2512073 THE AMA IS YOU AND ME Disc Sander/Kopski Continued page 44 disk Center table top will have select some thin wood cardboard pieces shimsa little custom work finished sander has exactly above table top motor V block assembly held base plate two clamps made yellow inner parts Sullivan Golden Rods RC model push rods available two diameters either will Just cut two pieces plastic rod length wrapped over motor/motor mount ends fall about e base plate surface plastic C clamp rods will later drawn tight four 1in 2-56 machine screws inserted bottom base plate screws simply thread Golden Rod cut own threads process although like run 2-56 tap plastic first ease task Incidentally motor V block assembly shims have glued bottom also has 120 150 grit sandpaper glued clamps drawn snug sandpaper pressed base plate prevents motor/mount slipping 2-in larger recommended diameter sanding disk cut flat 14-in plywood mounted motor shaft Electric model plane propeller adapter adapters made sev eral folks Astro Hobby Lobby Gold berg Great Planes others well suited application used Great Planes Because sanding disk thinner props may necessary trim off prop adapter shank bit shortened the Great Planes adapter about Dremel/cutoff wheel sand ing disk drilled center please fit shank diameter snugly Continued page 190 May 1991 189 INNOVATIVE HAS PLANS FOR ALL YOUR FAVORITE WAR BIRDS HAWKER TEMPEST. 82 SPAN 1/5th SCALE HAWKER TYPHOON. 83136 SPAN 1/5th SCALE HAWKER SEA FURY. 8225 SPAN 1/5th SCALE TA152H .11375 SPAN 1/5 SCALE SBD DAUNTLESS. 85 SPAN 1/5th SCALE P-S1A/A36. 7625 SPAN 1/6th SCALE MIG 3. 811 SPAN 1/5th SCALE PLUS 37 MORE PLANS SEND FOR YOUR CATALOG TODAY plans can cut kits Call quotes TOLL FREE 1-800-780-Fl 90 Ii ANY WAY YOU USE THEM ADDS UP TO SETTER PERFORMANCE NYROD THE ORIGINAL JQub PUSH ROD COMPLETE WITH ALL REQUIRED METAL _____________________________ FITTINGS IDEALLY SUITED FOR ANY PUSH AQO P~TtON RUDDERS ELEVATORS AILERONS THROTTLEKAROWARE INCLUDED CONTROL BOATS SEA PLANES. YOUR14 NYROOatAer IMAGINATION18 Rod 256 Threaded arid 3C LONG ASSEMBLED LENGTH NYROO SU-PAU PRODUCTS INC 18800 Slab Route 47 E Disc Sander/Kopski Continued page 189 countersunk front accept flathead mounting screw pictured cut needed A-in long screw longer 6-32 machine screw best length disk mount screw may vary depending prop adapter prop adapter held motor shaft set screw Most motors have flat shaft set screw should rest course will want make sure disk turns true no wobble Mine tracked perfectly could perceive kit SALE $9995 LIST $ 139~ SALE LIST 1 19 SALE $7995 LIST $1 14~ SALE $7995 LIST 114~ Ask 6o see liz aiz local dealer available order direct CARDEN 1731 NW Madrid Way Boca Raton FL 33432 Call Anytime 367-7744 Free Catalog MasterCard VISA Accepted disk does run true recheck make sure warped flat against prop adapter disk screw snug Recheck motor shaft itself runs true prop adapter well motor shaft set screw tight disk still wobbles determine high spot holding pencil work table close disk face rotating disk hand mark high point loosen disk screw try small off-center paper tape shim between disk prop adapter slightly tilt disk outward low point little patience will produce true-running disk point can attach disk sandpaper recommend using 120 150 grit prefer silicon carbide alumi num oxide paper long wear Garnet pa per ok too used double stick carpet tape attach paper could easily replaced Some rub-on glue stick some rubber cement sold paper adhe sive would work well too have tried self-adhesive sandpaper Whatever method attachment choose just sure paper can easily removed replacement Mechanical assembly sander can now proceed Temporarily mount mo tor mount plastic clamps snugged lightly motor mount can still moved Temporarily hold work table place four No 634-in flat head wood screws Now adjust position motor/mount disk face about 42-in parallel table cutout Confirm disk center level table top tighten clamp screws point will want confirm also disk face vertically perpendicular table sur face should off little try snugging either front rear clamp needed can also try paper shim between motor mount front rear needed Remove table top sander wiring next Two wiring diagrams shown simpler sufficient permits motor spin direction oaly direction can choosing Select direction simply reversing wire connections motor Whatever direction chose work always held work ta ble side spinning disk such direction rotation presses work against table single di rection wiring scheme must choose side right left face disk youd prefer work Motors neutral timed run equally well either direction Some model motors timed favor direction rotationcounter clock wise case Ive seen case work must held left side disk center sander uses neutral timed motor wired according second dia gram DPDT double pole double throw Center Off switch allows disk rotation reversed simply flipping switch either side center OFF position Thus can approach disk both sides Ive found very convenient Mount four self-stick rubber feet bottom base plate sketched stall four cells check motor/switch operation Attach some pieces /2-in thick soft plastic foam underside table top presses flashlight cells Install work table top Install guide start ers try aligning disk face using small drafting triangle establish 900 Ereball RIC Idle-Bar Glow Plugs Long Short Also .Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $169 190 Model Aviation ,yngwagnCLalal Foan Fly ng Sanface AIan Landing Ga Cloar Co..able Bald, Oil 8255Shaded 01 S365Delca Sheefed 01 S495 ULTIMATESPORT RC 255 Eat Ahlard/PO 8oa727Sada Spring Idaho 83276 ULTB7ATE lOnfla PIPE1208547-3742FanFa,h Inla SendSOSE angle Turn sander feed some balsa strip slowly against disk Dont force feed exactly highpower machine does have adequate power however let sandpa per its job youll well pleased results Now try guide set-up some very large angle Sand two equal cross section strips trial fit resulting ends shown photo Awesome huh very useful optional accessory motorized sander angle transfer de vice pictured simple tool consists two pieces A-in birch ply A-in wide 3 long other 3 short foot same material about 1/16 long glued underside longer strip end opposite pivot two wood arms assembled shown 4-40 machine screw fash ioned thumb nut structure de scribed sanding guide above shorter arm has 4-40 blind mounting nut recessed about /64 in bottom sur face side three teeth nut must flattened cut off About A6 nut boss protrudes past top surface forms pivot top ply piece nut can held place simple press fit drop CyA Incidentally cut recess Dremel burr small friction disk sandpaper dropped over protruding boss glued ply arm serves hold chosen angular setting securely friction thumbscrew tightened Make sure screw length such does protrude below surface lower arm photos show applica tion angle transfer accessory have say resulting high precision gular fits downright incrediblebest joints Ive ever visited About info cant give what sanders useful battery life will idle no sanding motors Ive tried draw between two amps course drain increases sanding load because relatively high cur rent use alkaline cells best perform ance life So far Ive sanded sticks SIG Seniorita kit modified Electric course done lot playing demonstrating cells still going strong Just let sandpa per work Dont force work slow down disk noticeably Turn switch off between sticks should experience similar battery life sander definitely few best tools Ive used 40-plus years model building experience Im sure youll find good investment hope enjoy building pleasure af fords have may very well never have built accurately before ________1 wirnv AMA SINCE 1936 U No686 Foiler RO Pattern-type sport plane 45-65 2-cycle 60-90 4-cycle power Spans 65-in No687 Windsock 75 Non-flying Profile P-51 used weather vane Spans 36-in No688 Stealth Glider $200 FF rubberband-launched foamlbalsa Canard OatapultlStealth Glider combo No 193StIletto CL Stont model McDonald winner 1976 1980 1982 FAI World ChampsS 375 No 262Craahmaater CL Crash-pmof trainer two sizesi V30 35140 powerS 125 No 3101930 Fleet Biplane AC Sport Scale 35140 4-channel Wingspan 06 scale Two sheetsS 625 No 314Drake II AC Ken Wigardo flying boat tor 3-channel 15-power Fly 1mm land mmonable gearS 375 No 326Taylor Cub AC Dee SmIls Schoolyard-Scale tsr GOOn 2-3 channel Spans 50 inS 350 No 332Zephyr Ac Sinai 2-channel glider tsr hand-launch tow thermal slope snailogS 200 No 386Laaer 200 AC Span Scale replica ol championship Aembolic flier Uses 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa Amanlca AC Old-Timer Teouco model tor 049 glow 2-channelsS 650 No 4804-40 AC Shoelder-aing sport flier tsr 4-cycle 40-size engine 4 channelsS 650 No 465Blue Max II AC Fon-fly sportoter 40-size onglees spans 52 Lightweigld strectom5 710 No 539thlmitar SlowMotIon 15 AC Tailless flying wing 15 engines spans 60 ones 3-ch AC9 350 No 578Schwelzer 1-26B AC Osorter-scale Sailplane spans 125 Two plan sheetsS 1475 No 581Gee Bee Model Y AC golden Age Aacer spans 72 scale 60 power Thow plan shootsS 1175 oNo 568Mariah AC Sloie-Sosrleg Sailplane spans 41 in. uses 2 AC channelsS 425 o No 593 Taylorcrafli AC Sport Scale lightplane builds slandard 2-placer clipped-wing air show stonier Spans either 70 50A 30140 two-slrake 40/48 foer-otrolm engine Two plan shoots no docomontationS 1000 01c\JNo 598coronet 150 AC-Assist Old-Timer enlarged 150% spans 72 in. ones 40-sea 4-stroke/30-soo 2-stroke$ 850 2No 603Sparrow Hawk P30 FF Competition robber-power plane won 87 hats Spans 30 in$ 225 No 607Cuniee Seagull AC Giant Scale biplane spans 90 soon OuadralZenooh power Three plan sheets no dec92400 V01 No 609 Taperwing AC Pylon Ascer opoos 29i/e Ptan plus non ports template shootS 600 C 0No 610 Protobypa AC Sport biplane spans 48 uses 45/2-cyclo 8014-cycle powerS 550 19 Keith Rider R4 FF Scale Golden Am racer oobber power spans 18 inS 3 00 01No 620 Gimlet 40 AC SportiPattem piano spans 60 40150 enilne 2 shootsS 11 00 o No 623 Hendemon Longeter AC Osarter-scate 1933 finder spans 90 4-stroke 40148 engine 3 plan ohm no doc S 1650 01No 624 Keleher Lark AC Onarter-scale homebuifi tyans 69 60198 4-streke power 2 plan shoots rio doc5 1100 fl QNo 626 Sweepee AC SpartiPattom canards toceard-swept wing spans 64 eses 40 power 2 plan shoots5 1300 628 Prime cut AC Spart/Aembatic plane spans 00 ones Ooadra 35/40-sm power Two plan shootsS 1300 iO onNo 630Original Fly Baby AC Old-Timer spans 72 uses 19/25 2-cycle 48 4-cycle power 2 plan shoots5 1150 E No 641LII Ole Reliable AC Old-Timer sport filer spans 50 enginesS 575 No 644Bellanca Columbia AC Schoolyard Scnle 2 AC channels eniioe Wingspan 46 in5 575 -No 646Winder Hawk FF flobber-power Coope ditloer competition plane spans 47 inS 375 CD No 65047/88 RC SpecIal AC Aeroba5c sport plane 40 power spans 61 3 plan shootsS 1075 6 ENo 652Der Fledermaus AC Low-wing sport plane 20135 power spans 55 in5 675 z onNo 654ramecat AC Trainer/sportster styled like F14 spoon 66 40161 power Four plan sheetsS 1525 /2No 655Astroatar FF AMA Class N6 Gas plane spano 67 uses 325135Scc power5 800 0No 657Super Squim AC Trainer 35/40 2-stroke 53 4-stroke power spans 50 in5 7 50 No 659Boom Box FF Wakefield Aubler compotition plane spoon 54 inS 400 2 No 660Volkaplane AC Electric-powered sportster br 05 motor spoon 50 2 plan ohtsS 925 No 661BmbryOmatlc FF Erebipo Endurance rebler-power plane spans 20 in5 200 oNo 662Boxklte CL Scale anhltne canard pusher biplane spans 42 2 plan ohooto81100 01No 663Pea Patch AC Spoitnier spans 60 uses 401504-stroke power 2 plan sheets$ 900 No 664 Stuka Stunt CL Stoeter nemiscale spans 37 in$ 500 No 665Conacientlous Objector FF Molaihill Auhher competition plane spans 50 Oat$ 575 No 66661101 AC Sportster spans 48 ones hot 20132 power 2 plan shootsS 1075 on01No 667AT-6 CL Somiscale preble Stenter 35/40 power spans 47 inS 575 No 669Rota Raven AC Sailpiase onique twist-wing control Spans 76-in Anquiros elenon miningS 650 citNo 670Limitation CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 671Ceaena Cardinal FF Aeminder Scale sport filer power spans 39-inS 575 01No 672KrackerJac AC updated enraiso pioneer sport plane spans 74-in two pine shoots5 1375 -~No 673Cauollmordax Fans Combat ship designed 20-32 power Foom wiog spoon 48-in$ 500 v-No 674Krumpler AC 075-poweind Electric semi-scale hi-winier spans 30-inS 5J5 01No 675SOP-I FF twin-tailed sport filer fer Coo 02 Pee Woo engine spans 20-in$ 225 C -01No 678HilIner AC twin-electitc high-wing Sport ship designed Ihe Hiline lmp-35 motor Has tricycle gear spans 48 in$ 400 No 677Thunderbird CL Stonier 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54 in$ 975 01No 676Bean Box FF West Coast fiostonian Outdoor design Spans 16 in$ 1 50 01No 679Big Bingot Large AC Sporister spans 85 120-24 power Two plan sheets$ 1700 No 680Belleeve Winner Ausslan FAt CL Combat ship spans 47 in$ 475 01No 6611969 Bade BD-4 FF Aubbar Scale model spans 18 in$ 325 No 662 B T Vintage Trainer AC Aeminder-Scale Sportster 20-size engines Spoon 47% two plan sheeto$ 1150 o No 683 MIchaels Muatang CL Sport Scale P-Si f/nA engines Spans 21 in5 325 01 No 664 Staggerwlng Beech 3-Channel AC Schoolyard-Scale hi-wing Sportster 049 power Spans 32-in$ 5375 01No 685 Akro-Bat CL Stonter higb-porfnrmnnce 049 eniines Spoon 32-inS $230 ut Circle numbers plans wish order best handling please include re- 00quests payment some other service plans order c193262310314326332386447 460465539578581588593598I oton I0 Os- 603607609610619620623624 28630641644646650652 ooE zzo654655657659660661662663 o ~664665666667669670671672 74675676677678679680I 02 ~681682683684685686687688 Plan prCe inCludeS first Class postage US delivery Air Mail over 300 miles I orders non-US address lease add $250 Air Mail asIa e handlin Ian Make check money order payable US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Reston VA 22090 Please allow 3 6 weeks delivery 01 Please print carefully Enclosed $ csI________________________________ a-on NAME _____________________________________________ AMA No ________________ STREET 011 CITY -ISTATE ______________________________________ _____________________________ L ZIPI May1991 191
Edition: Model Aviation - 1991/05
Page Numbers: 41, 42, 43, 44, 189, 190, 191
miniature disc Heres tool no re spectable modelbuilding shop should chances youve got nec essary building ma terials already hand shopE Bob Kopski THE MINIATURE disc sander sim pie easily-built battery-powered motor ized tool should find welcome place modelers workshop will useful building virtually kind model plane can think ex cept perhaps delicate door models handy tool indeed models such Old Timers made sticks primarily intended use balsa sander will also nice job smaller cross-sections spruce capable providing out standingly accurate tight joints anglesespecially important using CyA adhesives As can seen photos sketches miniature sander has rela tively few parts Further no really critical dimensions assembly shown some liberty can taken suit own needs interests choice motor relatively unimportant readily available RC car model plane motors will work very well other parts materials available hobby shop hardware store Ra dio Shack actually enough stuff just lying around shop build originalexcept battery holder Begin cutting needed wood pieces May 1991 41 Use external tool set work guide angle small drafting triangle used tween stopped disk guide set accurate 90 angle Hold triangle against disk slide guide against tighten thumbscrew Motor related items inc sanaing aisK plate can made nce n round rough cutting shape mounting motor spinning against another rotating sanding disk electric drill Before after cutting Radio Shack p/n 270 389 four D-cell holder wires come attached unsoidered New connections will made points Note 4-40 screw assembly added hold tapered coil spring other box half remaining coil spring wire rotated up bent back other connections will made 2-7A62——] 2-1/8 BLI NUTS zVi74u WORK TABLE 2- Ii2 II 7' / SLOT t 3/4 -I 3/4 7/8 -AI/8I/4 SPRUCE 1/4 PLY PLATES WORK GUIDE shown base plate orig inal made h-in ply almost flat wood plate % k would satisfactory side rails made standard 1-in x 2-in pine molding stockwhich reality actually measures about never could under stand lumber always smaller its name work table surface cut flat A-in sheet modeling ply adjustable sanding guide 2in-diameter sanding disk plate front panel ON/OFF switch handily mounted can made thin wood material used A-in Lite Ply Other wood parts used housing assembly include four short pieces Basic sander assembly underway A-in sq wood strips nest battery holder halves ends dont spread open under spring pressure cells installed Holders screwed basepiate A-in square balsa spruce box battery holders Also motor mount needs some assorted small wood pieces detailed sketches other wooden piece needed work guide As shown original work guide made piece 2 sq A-in ply notch cut illus trated easy just make up such plate using two nar rower A-in plates separated %2 held together A-in x A-in spruce end pieces glued place guide plate has two strips 120 150 grit sandpaper glued onto under thumbscrew pressure plate wont slip its position work table Note three locations 6-32 blind mounting nuts table surface options combined adjust ability afforded off-center plate slot allow total flexibility angular loca tion guide relative disk sur face always use guide left side table can install blind nuts either both sides word about guide plate thumb screw made 1-in 6-32 machine screw Three 6-32 nuts separated spring lock washers jammed against 42 Model Aviation 4-I/P Detail work guide iiomemaae tnumo screw easy cheap effective Choose screw length wont hit batteries under neath Note sandpaper friction strips giued bottom side guide three blind nut locations Details motor battery switch mounting STRAP -ri-i IiiIII IIIill 1 II I/4x 1-1/2 SANDPAPER 7 vveraii view witn tfle worn table plate re moved Soft plastic foam pieces serve snug flashlight batteries table top place Remove top replace cells other fashion such nut hexes pointed relative other Give drop thin CyA adhe sive makes very cheap thumbscrew hold slotted work guide plate chosen position Sander assembly begins gluing screwing side rails base plate Next what feared would tough task turned out piece o cake Ra dio Shack battery holder best choice could find readily available has cut half shown As purchased holder designed house four D-type flashlight batteries series What really needed however two sets two cells seriesin parallel effect two flash light cells will connected series half battery holder two sets two cells wired parallel done provide three volts substantial capacity run motor Radio Shack battery holder easily modified accomplish above result As purchased holder has center web can removed scoring web pieces side base X Acto knife wiggling plastic piece few times until breaks loose does cleanly Next necessary cut spring wire end battery box crosses side other wire piece extends off tapered wound spring forms negative - contact riveted eyelet form positive act other side used Dremel tool cutoff wheel should do-able pair old wire cuttersthat dont mind nickingor perhaps file cut wire tail coming off nowloose coil spring held plastic box 6-1/2 / 4 SQ t BALSA OR~I-3/4—- 1-1/4 SPRUCE jrA BASE MATERIAL 3/8 TO 3/4 THICK PLYWOOD 7fl1 3/4x 1-5/8 SIDES LE r- SWITCH N 1/8 PLY 4 -J 51/4 L TOP VIEW OF BASE ASSEMBLY 1/4 PLY TABLEX SANDER NO6x3/4FH D SCRE -. jill I/S PLY1 SWITCH..Z~ FRONT 3/4x 1-5/8 3 fCK-ON RUBBER FEET 1/211 BALSA TRIANGLE -3/ / / _ K- 1-1/2-MOTOR MOUNT IIII MOTOR 1-3/8 TO 1-1/2 DIAM TYPICAL 1/211 3/4 HDWD II Th/4 PLY - SHIMS SEE TEXT STRIPS GLUED TO BOTTOM May 1991 43 Parts make up angle transfer device Bottom arm shown held has 4-40 blind mounting nut Tee nut installed shal low recess bottom Sandpaper circle glued over protruding nut boss Homemade thumbscrew installed top side footed arm -in 4-40 machine screw washer solder lug nut re-affixes coil spring also provides electrical con nection point used later Another electrical connection will soldered short piece wire remaining under positive contact rivet next task cut battery holder half easily done cutting right down middle box bottom X-Acto knife using straightedge cut ting guide Make repeated light scoring cuts until through plastic battery holder made rather workable mate rial should have no problem cut point should have two 2-cell holders Following photos sketches set half-holders place against wood side pieces locate two mounting SPRING WIRE CUTOFF\ SOLDER holes base plate wood side pieces now form part battery box side Mount holder using two No 6 x %-in wood sheet metal screws Next CyA four A-in sq x 1 A-in wood strips side rails end battery boxes ends spread open flashlight cells inserted point can glue front switch panel place against front wood strips Ive tried number 540-size model car motors 05 model plane mo tors ordinarily used six seven cell NiCd batteries tried ran very well three-volt battery packs described above Running nip tors higher voltages proved no advant age fact shortened battery life creased operating noise induced SPRING WIRE CUTOFF\ SOLDER ER 4-40 SCREW SOLDER LUG SOLDER SPST SWITCH R S NO 275634 WIRING DIAGRAM SINGLE DIRECTION OPERATION some vibration guess no such model motor described above wont good job suggest find cheapest can possible find neutral timed adjustable neutral runs equally well either direction necessity nice have Ill de scribe its virtues shortly motors described above nearly same outside diameter motor mount shown will work well mount di mension cant pre-determined eas ily height final motor mount height must trimmed shims glued bottom mount motor work table place motor shaft center hence sanding Continued page 189 y SOLDER - -44O SCREW -1--ti WASH ER ff1 SOLDER LUG NUT ~1 D CELLS DER SOLOERN DPDT SWITCH R S NO 275664 WIRING DIAGRAM FOR DUAL DIRECTION OPERATION 44 Model Aviation Heres what piece in balsa looks like being sanded wide angle heres pair end end Awesome fit Heres authors angle transfer device use angle established adjusting arms right over plan snugging thumb screw device used transfer angle work guide plate setting case 3A-in square balsa stick will sanded fit just about perfectly Senlorita stab assembly 4- OTOR INNOVATIVE MODEL PRODUCTS HAS THE RIGHT STUFF BIG 37oz Tu DONT GET YOUR BUTT KICKED! PFMTM REGARDLESS OF WHAT THE SO CALLED COPY-CAT PRODUCTS SAY THE FACTS ARE AS FOLLOWSYOU GET APPROK 253 IIORE PRODUCT WITH PFM PFM IS NOT WATERED DOWNIF YOU ADDED SUPER ADHESIVE THE THINNER THAT THEY DO TO PFM YOU WOULD ALMOST HAVE TWICE THE PRODUcT ONLY PFM IS NON PLAMABLE AND IT PFMUSOSYIISPROS sThsmeaag WILL NOT GIVE OFF TOXIC FUMES WHEN USED AS DIRECTED ~ SO KICK THE COPY-CAT IN THE BUTT AND TAKE US UP ON OUR RINIIOVATIVE MODELS AND HOBBY LOBBY WANT YOU TO BE EeasReaoe5t SAFEI IIERES THE DEALI WE WANT YOU TO BE SAFEI IF YOU HAVE ECIIASED ZAP- A- DAP- A- GOO GOOP OR SHOE 000 BlAND -INNOVATIVE MODEL PEOOUCTB TIIII UNUSED PORTION VITII PItOOF OP TIlE SUPER STROllS SUPER FLIXABIE PRICE YOU RAVE PAID AiD CIIECIC POE 5995 MINUS TEE PRICE YOU PAID SUPER FAST AND YR WILL SEND YOU NSIV TUBE OP SUPER PPM NOT SMALL SAMPLE SEPSTlIt4TWHEREIThEllISOXE PULL SIZE TODD AND YOU CAN BET YOU VDNT 11USD THE GAIG SVASLEWITRtIITATRACE TO CONVINCE TOO TO EVITCHI itINNOVATIVE WANTS TO CONORADULATEflAMON AND tIdaL Cal lasaclivi ModelPOPPY TORRES FOR OUTSTAHOINO FINISh AT THE AJoObhfro WORLD SCALE CHAh4PIONSHIPSWERE OLAD PFI4 WAS ,Ik, ~OUR SUCCESSI mitsnjtlmlattlmrnaNtNttEtntSaEtIlIlllIitBtlttlSBSNIINm 1991 Catalogs $300 COMING THIS SPRING. VOUGHT F4U CORSAIR SPAN 56 IN ALSO REPUBLIC P-47 THUNDERBOLT 80 IN SPAN Innovative kits have full compliment scale accessories gun hoods bumps blisters molded gear doors fully detailed views Whether want scale max Sunday fly dont get let Out ifl coldi SCALE WAR BIRDS THAT COST AS LI1TLE AS THE ARFS YET WONT TAKE LIFE TIME TO BUILD LIKE OTHER SCALE KITS design kits suit levels skilli Innovative kits feature i-Glass fuselages ine cut foam cores est grade bales s blisters scale details could makel s used design kit assures accurate outlineal r conaise instruction along true accurate planal telephone support will help youl CHECK THESE OPTIONS ! [xl Complete cockpit kits models lxi Bombs tanks hard points [xl Pilots [xl Scale Tires snd Hubsl [xl Retracts support equipmentl INNOVATIVE MODEL PRODUCTS PO Box 4365 Margate FL 33063 NMPRA/Hager Continued page 184 2 Dave Shadel Brian Richmond 4 Norm JDhnsDn 5 Peter Bergstrom 6 Lyle Larson 7 Dave Layman 8 Don McStay 9 Bill Hager 10 PaulBenezra 11 ClarkWade 12 Mike Helael i3 Darrol Cady 14 DubJeft 15 Lou Rodriguez 16 Bob Greer 17 Tom Strom 18 Richard Verano 19 Bruce Brown 20 Pete Reed Kazi Toni Shark Toni Mustang PoleCat Toni Toni Stinger 4011184 3910857 3911189 3611372 3611203 3511004 3411396 3111378 3111328 3111526 3011149 2911152 2911301 2911362 2911451 2711280 2611324 2611900 2512073 THE AMA IS YOU AND ME Disc Sander/Kopski Continued page 44 disk Center table top will have select some thin wood cardboard pieces shimsa little custom work finished sander has exactly above table top motor V block assembly held base plate two clamps made yellow inner parts Sullivan Golden Rods RC model push rods available two diameters either will Just cut two pieces plastic rod length wrapped over motor/motor mount ends fall about e base plate surface plastic C clamp rods will later drawn tight four 1in 2-56 machine screws inserted bottom base plate screws simply thread Golden Rod cut own threads process although like run 2-56 tap plastic first ease task Incidentally motor V block assembly shims have glued bottom also has 120 150 grit sandpaper glued clamps drawn snug sandpaper pressed base plate prevents motor/mount slipping 2-in larger recommended diameter sanding disk cut flat 14-in plywood mounted motor shaft Electric model plane propeller adapter adapters made sev eral folks Astro Hobby Lobby Gold berg Great Planes others well suited application used Great Planes Because sanding disk thinner props may necessary trim off prop adapter shank bit shortened the Great Planes adapter about Dremel/cutoff wheel sand ing disk drilled center please fit shank diameter snugly Continued page 190 May 1991 189 INNOVATIVE HAS PLANS FOR ALL YOUR FAVORITE WAR BIRDS HAWKER TEMPEST. 82 SPAN 1/5th SCALE HAWKER TYPHOON. 83136 SPAN 1/5th SCALE HAWKER SEA FURY. 8225 SPAN 1/5th SCALE TA152H .11375 SPAN 1/5 SCALE SBD DAUNTLESS. 85 SPAN 1/5th SCALE P-S1A/A36. 7625 SPAN 1/6th SCALE MIG 3. 811 SPAN 1/5th SCALE PLUS 37 MORE PLANS SEND FOR YOUR CATALOG TODAY plans can cut kits Call quotes TOLL FREE 1-800-780-Fl 90 Ii ANY WAY YOU USE THEM ADDS UP TO SETTER PERFORMANCE NYROD THE ORIGINAL JQub PUSH ROD COMPLETE WITH ALL REQUIRED METAL _____________________________ FITTINGS IDEALLY SUITED FOR ANY PUSH AQO P~TtON RUDDERS ELEVATORS AILERONS THROTTLEKAROWARE INCLUDED CONTROL BOATS SEA PLANES. YOUR14 NYROOatAer IMAGINATION18 Rod 256 Threaded arid 3C LONG ASSEMBLED LENGTH NYROO SU-PAU PRODUCTS INC 18800 Slab Route 47 E Disc Sander/Kopski Continued page 189 countersunk front accept flathead mounting screw pictured cut needed A-in long screw longer 6-32 machine screw best length disk mount screw may vary depending prop adapter prop adapter held motor shaft set screw Most motors have flat shaft set screw should rest course will want make sure disk turns true no wobble Mine tracked perfectly could perceive kit SALE $9995 LIST $ 139~ SALE LIST 1 19 SALE $7995 LIST $1 14~ SALE $7995 LIST 114~ Ask 6o see liz aiz local dealer available order direct CARDEN 1731 NW Madrid Way Boca Raton FL 33432 Call Anytime 367-7744 Free Catalog MasterCard VISA Accepted disk does run true recheck make sure warped flat against prop adapter disk screw snug Recheck motor shaft itself runs true prop adapter well motor shaft set screw tight disk still wobbles determine high spot holding pencil work table close disk face rotating disk hand mark high point loosen disk screw try small off-center paper tape shim between disk prop adapter slightly tilt disk outward low point little patience will produce true-running disk point can attach disk sandpaper recommend using 120 150 grit prefer silicon carbide alumi num oxide paper long wear Garnet pa per ok too used double stick carpet tape attach paper could easily replaced Some rub-on glue stick some rubber cement sold paper adhe sive would work well too have tried self-adhesive sandpaper Whatever method attachment choose just sure paper can easily removed replacement Mechanical assembly sander can now proceed Temporarily mount mo tor mount plastic clamps snugged lightly motor mount can still moved Temporarily hold work table place four No 634-in flat head wood screws Now adjust position motor/mount disk face about 42-in parallel table cutout Confirm disk center level table top tighten clamp screws point will want confirm also disk face vertically perpendicular table sur face should off little try snugging either front rear clamp needed can also try paper shim between motor mount front rear needed Remove table top sander wiring next Two wiring diagrams shown simpler sufficient permits motor spin direction oaly direction can choosing Select direction simply reversing wire connections motor Whatever direction chose work always held work ta ble side spinning disk such direction rotation presses work against table single di rection wiring scheme must choose side right left face disk youd prefer work Motors neutral timed run equally well either direction Some model motors timed favor direction rotationcounter clock wise case Ive seen case work must held left side disk center sander uses neutral timed motor wired according second dia gram DPDT double pole double throw Center Off switch allows disk rotation reversed simply flipping switch either side center OFF position Thus can approach disk both sides Ive found very convenient Mount four self-stick rubber feet bottom base plate sketched stall four cells check motor/switch operation Attach some pieces /2-in thick soft plastic foam underside table top presses flashlight cells Install work table top Install guide start ers try aligning disk face using small drafting triangle establish 900 Ereball RIC Idle-Bar Glow Plugs Long Short Also .Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $169 190 Model Aviation ,yngwagnCLalal Foan Fly ng Sanface AIan Landing Ga Cloar Co..able Bald, Oil 8255Shaded 01 S365Delca Sheefed 01 S495 ULTIMATESPORT RC 255 Eat Ahlard/PO 8oa727Sada Spring Idaho 83276 ULTB7ATE lOnfla PIPE1208547-3742FanFa,h Inla SendSOSE angle Turn sander feed some balsa strip slowly against disk Dont force feed exactly highpower machine does have adequate power however let sandpa per its job youll well pleased results Now try guide set-up some very large angle Sand two equal cross section strips trial fit resulting ends shown photo Awesome huh very useful optional accessory motorized sander angle transfer de vice pictured simple tool consists two pieces A-in birch ply A-in wide 3 long other 3 short foot same material about 1/16 long glued underside longer strip end opposite pivot two wood arms assembled shown 4-40 machine screw fash ioned thumb nut structure de scribed sanding guide above shorter arm has 4-40 blind mounting nut recessed about /64 in bottom sur face side three teeth nut must flattened cut off About A6 nut boss protrudes past top surface forms pivot top ply piece nut can held place simple press fit drop CyA Incidentally cut recess Dremel burr small friction disk sandpaper dropped over protruding boss glued ply arm serves hold chosen angular setting securely friction thumbscrew tightened Make sure screw length such does protrude below surface lower arm photos show applica tion angle transfer accessory have say resulting high precision gular fits downright incrediblebest joints Ive ever visited About info cant give what sanders useful battery life will idle no sanding motors Ive tried draw between two amps course drain increases sanding load because relatively high cur rent use alkaline cells best perform ance life So far Ive sanded sticks SIG Seniorita kit modified Electric course done lot playing demonstrating cells still going strong Just let sandpa per work Dont force work slow down disk noticeably Turn switch off between sticks should experience similar battery life sander definitely few best tools Ive used 40-plus years model building experience Im sure youll find good investment hope enjoy building pleasure af fords have may very well never have built accurately before ________1 wirnv AMA SINCE 1936 U No686 Foiler RO Pattern-type sport plane 45-65 2-cycle 60-90 4-cycle power Spans 65-in No687 Windsock 75 Non-flying Profile P-51 used weather vane Spans 36-in No688 Stealth Glider $200 FF rubberband-launched foamlbalsa Canard OatapultlStealth Glider combo No 193StIletto CL Stont model McDonald winner 1976 1980 1982 FAI World ChampsS 375 No 262Craahmaater CL Crash-pmof trainer two sizesi V30 35140 powerS 125 No 3101930 Fleet Biplane AC Sport Scale 35140 4-channel Wingspan 06 scale Two sheetsS 625 No 314Drake II AC Ken Wigardo flying boat tor 3-channel 15-power Fly 1mm land mmonable gearS 375 No 326Taylor Cub AC Dee SmIls Schoolyard-Scale tsr GOOn 2-3 channel Spans 50 inS 350 No 332Zephyr Ac Sinai 2-channel glider tsr hand-launch tow thermal slope snailogS 200 No 386Laaer 200 AC Span Scale replica ol championship Aembolic flier Uses 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa Amanlca AC Old-Timer Teouco model tor 049 glow 2-channelsS 650 No 4804-40 AC Shoelder-aing sport flier tsr 4-cycle 40-size engine 4 channelsS 650 No 465Blue Max II AC Fon-fly sportoter 40-size onglees spans 52 Lightweigld strectom5 710 No 539thlmitar SlowMotIon 15 AC Tailless flying wing 15 engines spans 60 ones 3-ch AC9 350 No 578Schwelzer 1-26B AC Osorter-scale Sailplane spans 125 Two plan sheetsS 1475 No 581Gee Bee Model Y AC golden Age Aacer spans 72 scale 60 power Thow plan shootsS 1175 oNo 568Mariah AC Sloie-Sosrleg Sailplane spans 41 in. uses 2 AC channelsS 425 o No 593 Taylorcrafli AC Sport Scale lightplane builds slandard 2-placer clipped-wing air show stonier Spans either 70 50A 30140 two-slrake 40/48 foer-otrolm engine Two plan shoots no docomontationS 1000 01c\JNo 598coronet 150 AC-Assist Old-Timer enlarged 150% spans 72 in. ones 40-sea 4-stroke/30-soo 2-stroke$ 850 2No 603Sparrow Hawk P30 FF Competition robber-power plane won 87 hats Spans 30 in$ 225 No 607Cuniee Seagull AC Giant Scale biplane spans 90 soon OuadralZenooh power Three plan sheets no dec92400 V01 No 609 Taperwing AC Pylon Ascer opoos 29i/e Ptan plus non ports template shootS 600 C 0No 610 Protobypa AC Sport biplane spans 48 uses 45/2-cyclo 8014-cycle powerS 550 19 Keith Rider R4 FF Scale Golden Am racer oobber power spans 18 inS 3 00 01No 620 Gimlet 40 AC SportiPattem piano spans 60 40150 enilne 2 shootsS 11 00 o No 623 Hendemon Longeter AC Osarter-scate 1933 finder spans 90 4-stroke 40148 engine 3 plan ohm no doc S 1650 01No 624 Keleher Lark AC Onarter-scale homebuifi tyans 69 60198 4-streke power 2 plan shoots rio doc5 1100 fl QNo 626 Sweepee AC SpartiPattom canards toceard-swept wing spans 64 eses 40 power 2 plan shoots5 1300 628 Prime cut AC Spart/Aembatic plane spans 00 ones Ooadra 35/40-sm power Two plan shootsS 1300 iO onNo 630Original Fly Baby AC Old-Timer spans 72 uses 19/25 2-cycle 48 4-cycle power 2 plan shoots5 1150 E No 641LII Ole Reliable AC Old-Timer sport filer spans 50 enginesS 575 No 644Bellanca Columbia AC Schoolyard Scnle 2 AC channels eniioe Wingspan 46 in5 575 -No 646Winder Hawk FF flobber-power Coope ditloer competition plane spans 47 inS 375 CD No 65047/88 RC SpecIal AC Aeroba5c sport plane 40 power spans 61 3 plan shootsS 1075 6 ENo 652Der Fledermaus AC Low-wing sport plane 20135 power spans 55 in5 675 z onNo 654ramecat AC Trainer/sportster styled like F14 spoon 66 40161 power Four plan sheetsS 1525 /2No 655Astroatar FF AMA Class N6 Gas plane spano 67 uses 325135Scc power5 800 0No 657Super Squim AC Trainer 35/40 2-stroke 53 4-stroke power spans 50 in5 7 50 No 659Boom Box FF Wakefield Aubler compotition plane spoon 54 inS 400 2 No 660Volkaplane AC Electric-powered sportster br 05 motor spoon 50 2 plan ohtsS 925 No 661BmbryOmatlc FF Erebipo Endurance rebler-power plane spans 20 in5 200 oNo 662Boxklte CL Scale anhltne canard pusher biplane spans 42 2 plan ohooto81100 01No 663Pea Patch AC Spoitnier spans 60 uses 401504-stroke power 2 plan sheets$ 900 No 664 Stuka Stunt CL Stoeter nemiscale spans 37 in$ 500 No 665Conacientlous Objector FF Molaihill Auhher competition plane spans 50 Oat$ 575 No 66661101 AC Sportster spans 48 ones hot 20132 power 2 plan shootsS 1075 on01No 667AT-6 CL Somiscale preble Stenter 35/40 power spans 47 inS 575 No 669Rota Raven AC Sailpiase onique twist-wing control Spans 76-in Anquiros elenon miningS 650 citNo 670Limitation CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 671Ceaena Cardinal FF Aeminder Scale sport filer power spans 39-inS 575 01No 672KrackerJac AC updated enraiso pioneer sport plane spans 74-in two pine shoots5 1375 -~No 673Cauollmordax Fans Combat ship designed 20-32 power Foom wiog spoon 48-in$ 500 v-No 674Krumpler AC 075-poweind Electric semi-scale hi-winier spans 30-inS 5J5 01No 675SOP-I FF twin-tailed sport filer fer Coo 02 Pee Woo engine spans 20-in$ 225 C -01No 678HilIner AC twin-electitc high-wing Sport ship designed Ihe Hiline lmp-35 motor Has tricycle gear spans 48 in$ 400 No 677Thunderbird CL Stonier 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54 in$ 975 01No 676Bean Box FF West Coast fiostonian Outdoor design Spans 16 in$ 1 50 01No 679Big Bingot Large AC Sporister spans 85 120-24 power Two plan sheets$ 1700 No 680Belleeve Winner Ausslan FAt CL Combat ship spans 47 in$ 475 01No 6611969 Bade BD-4 FF Aubbar Scale model spans 18 in$ 325 No 662 B T Vintage Trainer AC Aeminder-Scale Sportster 20-size engines Spoon 47% two plan sheeto$ 1150 o No 683 MIchaels Muatang CL Sport Scale P-Si f/nA engines Spans 21 in5 325 01 No 664 Staggerwlng Beech 3-Channel AC Schoolyard-Scale hi-wing Sportster 049 power Spans 32-in$ 5375 01No 685 Akro-Bat CL Stonter higb-porfnrmnnce 049 eniines Spoon 32-inS $230 ut Circle numbers plans wish order best handling please include re- 00quests payment some other service plans order c193262310314326332386447 460465539578581588593598I oton I0 Os- 603607609610619620623624 28630641644646650652 ooE zzo654655657659660661662663 o ~664665666667669670671672 74675676677678679680I 02 ~681682683684685686687688 Plan prCe inCludeS first Class postage US delivery Air Mail over 300 miles I orders non-US address lease add $250 Air Mail asIa e handlin Ian Make check money order payable US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Reston VA 22090 Please allow 3 6 weeks delivery 01 Please print carefully Enclosed $ csI________________________________ a-on NAME _____________________________________________ AMA No ________________ STREET 011 CITY -ISTATE ______________________________________ _____________________________ L ZIPI May1991 191
Edition: Model Aviation - 1991/05
Page Numbers: 41, 42, 43, 44, 189, 190, 191
miniature disc Heres tool no re spectable modelbuilding shop should chances youve got nec essary building ma terials already hand shopE Bob Kopski THE MINIATURE disc sander sim pie easily-built battery-powered motor ized tool should find welcome place modelers workshop will useful building virtually kind model plane can think ex cept perhaps delicate door models handy tool indeed models such Old Timers made sticks primarily intended use balsa sander will also nice job smaller cross-sections spruce capable providing out standingly accurate tight joints anglesespecially important using CyA adhesives As can seen photos sketches miniature sander has rela tively few parts Further no really critical dimensions assembly shown some liberty can taken suit own needs interests choice motor relatively unimportant readily available RC car model plane motors will work very well other parts materials available hobby shop hardware store Ra dio Shack actually enough stuff just lying around shop build originalexcept battery holder Begin cutting needed wood pieces May 1991 41 Use external tool set work guide angle small drafting triangle used tween stopped disk guide set accurate 90 angle Hold triangle against disk slide guide against tighten thumbscrew Motor related items inc sanaing aisK plate can made nce n round rough cutting shape mounting motor spinning against another rotating sanding disk electric drill Before after cutting Radio Shack p/n 270 389 four D-cell holder wires come attached unsoidered New connections will made points Note 4-40 screw assembly added hold tapered coil spring other box half remaining coil spring wire rotated up bent back other connections will made 2-7A62——] 2-1/8 BLI NUTS zVi74u WORK TABLE 2- Ii2 II 7' / SLOT t 3/4 -I 3/4 7/8 -AI/8I/4 SPRUCE 1/4 PLY PLATES WORK GUIDE shown base plate orig inal made h-in ply almost flat wood plate % k would satisfactory side rails made standard 1-in x 2-in pine molding stockwhich reality actually measures about never could under stand lumber always smaller its name work table surface cut flat A-in sheet modeling ply adjustable sanding guide 2in-diameter sanding disk plate front panel ON/OFF switch handily mounted can made thin wood material used A-in Lite Ply Other wood parts used housing assembly include four short pieces Basic sander assembly underway A-in sq wood strips nest battery holder halves ends dont spread open under spring pressure cells installed Holders screwed basepiate A-in square balsa spruce box battery holders Also motor mount needs some assorted small wood pieces detailed sketches other wooden piece needed work guide As shown original work guide made piece 2 sq A-in ply notch cut illus trated easy just make up such plate using two nar rower A-in plates separated %2 held together A-in x A-in spruce end pieces glued place guide plate has two strips 120 150 grit sandpaper glued onto under thumbscrew pressure plate wont slip its position work table Note three locations 6-32 blind mounting nuts table surface options combined adjust ability afforded off-center plate slot allow total flexibility angular loca tion guide relative disk sur face always use guide left side table can install blind nuts either both sides word about guide plate thumb screw made 1-in 6-32 machine screw Three 6-32 nuts separated spring lock washers jammed against 42 Model Aviation 4-I/P Detail work guide iiomemaae tnumo screw easy cheap effective Choose screw length wont hit batteries under neath Note sandpaper friction strips giued bottom side guide three blind nut locations Details motor battery switch mounting STRAP -ri-i IiiIII IIIill 1 II I/4x 1-1/2 SANDPAPER 7 vveraii view witn tfle worn table plate re moved Soft plastic foam pieces serve snug flashlight batteries table top place Remove top replace cells other fashion such nut hexes pointed relative other Give drop thin CyA adhe sive makes very cheap thumbscrew hold slotted work guide plate chosen position Sander assembly begins gluing screwing side rails base plate Next what feared would tough task turned out piece o cake Ra dio Shack battery holder best choice could find readily available has cut half shown As purchased holder designed house four D-type flashlight batteries series What really needed however two sets two cells seriesin parallel effect two flash light cells will connected series half battery holder two sets two cells wired parallel done provide three volts substantial capacity run motor Radio Shack battery holder easily modified accomplish above result As purchased holder has center web can removed scoring web pieces side base X Acto knife wiggling plastic piece few times until breaks loose does cleanly Next necessary cut spring wire end battery box crosses side other wire piece extends off tapered wound spring forms negative - contact riveted eyelet form positive act other side used Dremel tool cutoff wheel should do-able pair old wire cuttersthat dont mind nickingor perhaps file cut wire tail coming off nowloose coil spring held plastic box 6-1/2 / 4 SQ t BALSA OR~I-3/4—- 1-1/4 SPRUCE jrA BASE MATERIAL 3/8 TO 3/4 THICK PLYWOOD 7fl1 3/4x 1-5/8 SIDES LE r- SWITCH N 1/8 PLY 4 -J 51/4 L TOP VIEW OF BASE ASSEMBLY 1/4 PLY TABLEX SANDER NO6x3/4FH D SCRE -. jill I/S PLY1 SWITCH..Z~ FRONT 3/4x 1-5/8 3 fCK-ON RUBBER FEET 1/211 BALSA TRIANGLE -3/ / / _ K- 1-1/2-MOTOR MOUNT IIII MOTOR 1-3/8 TO 1-1/2 DIAM TYPICAL 1/211 3/4 HDWD II Th/4 PLY - SHIMS SEE TEXT STRIPS GLUED TO BOTTOM May 1991 43 Parts make up angle transfer device Bottom arm shown held has 4-40 blind mounting nut Tee nut installed shal low recess bottom Sandpaper circle glued over protruding nut boss Homemade thumbscrew installed top side footed arm -in 4-40 machine screw washer solder lug nut re-affixes coil spring also provides electrical con nection point used later Another electrical connection will soldered short piece wire remaining under positive contact rivet next task cut battery holder half easily done cutting right down middle box bottom X-Acto knife using straightedge cut ting guide Make repeated light scoring cuts until through plastic battery holder made rather workable mate rial should have no problem cut point should have two 2-cell holders Following photos sketches set half-holders place against wood side pieces locate two mounting SPRING WIRE CUTOFF\ SOLDER holes base plate wood side pieces now form part battery box side Mount holder using two No 6 x %-in wood sheet metal screws Next CyA four A-in sq x 1 A-in wood strips side rails end battery boxes ends spread open flashlight cells inserted point can glue front switch panel place against front wood strips Ive tried number 540-size model car motors 05 model plane mo tors ordinarily used six seven cell NiCd batteries tried ran very well three-volt battery packs described above Running nip tors higher voltages proved no advant age fact shortened battery life creased operating noise induced SPRING WIRE CUTOFF\ SOLDER ER 4-40 SCREW SOLDER LUG SOLDER SPST SWITCH R S NO 275634 WIRING DIAGRAM SINGLE DIRECTION OPERATION some vibration guess no such model motor described above wont good job suggest find cheapest can possible find neutral timed adjustable neutral runs equally well either direction necessity nice have Ill de scribe its virtues shortly motors described above nearly same outside diameter motor mount shown will work well mount di mension cant pre-determined eas ily height final motor mount height must trimmed shims glued bottom mount motor work table place motor shaft center hence sanding Continued page 189 y SOLDER - -44O SCREW -1--ti WASH ER ff1 SOLDER LUG NUT ~1 D CELLS DER SOLOERN DPDT SWITCH R S NO 275664 WIRING DIAGRAM FOR DUAL DIRECTION OPERATION 44 Model Aviation Heres what piece in balsa looks like being sanded wide angle heres pair end end Awesome fit Heres authors angle transfer device use angle established adjusting arms right over plan snugging thumb screw device used transfer angle work guide plate setting case 3A-in square balsa stick will sanded fit just about perfectly Senlorita stab assembly 4- OTOR INNOVATIVE MODEL PRODUCTS HAS THE RIGHT STUFF BIG 37oz Tu DONT GET YOUR BUTT KICKED! PFMTM REGARDLESS OF WHAT THE SO CALLED COPY-CAT PRODUCTS SAY THE FACTS ARE AS FOLLOWSYOU GET APPROK 253 IIORE PRODUCT WITH PFM PFM IS NOT WATERED DOWNIF YOU ADDED SUPER ADHESIVE THE THINNER THAT THEY DO TO PFM YOU WOULD ALMOST HAVE TWICE THE PRODUcT ONLY PFM IS NON PLAMABLE AND IT PFMUSOSYIISPROS sThsmeaag WILL NOT GIVE OFF TOXIC FUMES WHEN USED AS DIRECTED ~ SO KICK THE COPY-CAT IN THE BUTT AND TAKE US UP ON OUR RINIIOVATIVE MODELS AND HOBBY LOBBY WANT YOU TO BE EeasReaoe5t SAFEI IIERES THE DEALI WE WANT YOU TO BE SAFEI IF YOU HAVE ECIIASED ZAP- A- DAP- A- GOO GOOP OR SHOE 000 BlAND -INNOVATIVE MODEL PEOOUCTB TIIII UNUSED PORTION VITII PItOOF OP TIlE SUPER STROllS SUPER FLIXABIE PRICE YOU RAVE PAID AiD CIIECIC POE 5995 MINUS TEE PRICE YOU PAID SUPER FAST AND YR WILL SEND YOU NSIV TUBE OP SUPER PPM NOT SMALL SAMPLE SEPSTlIt4TWHEREIThEllISOXE PULL SIZE TODD AND YOU CAN BET YOU VDNT 11USD THE GAIG SVASLEWITRtIITATRACE TO CONVINCE TOO TO EVITCHI itINNOVATIVE WANTS TO CONORADULATEflAMON AND tIdaL Cal lasaclivi ModelPOPPY TORRES FOR OUTSTAHOINO FINISh AT THE AJoObhfro WORLD SCALE CHAh4PIONSHIPSWERE OLAD PFI4 WAS ,Ik, ~OUR SUCCESSI mitsnjtlmlattlmrnaNtNttEtntSaEtIlIlllIitBtlttlSBSNIINm 1991 Catalogs $300 COMING THIS SPRING. VOUGHT F4U CORSAIR SPAN 56 IN ALSO REPUBLIC P-47 THUNDERBOLT 80 IN SPAN Innovative kits have full compliment scale accessories gun hoods bumps blisters molded gear doors fully detailed views Whether want scale max Sunday fly dont get let Out ifl coldi SCALE WAR BIRDS THAT COST AS LI1TLE AS THE ARFS YET WONT TAKE LIFE TIME TO BUILD LIKE OTHER SCALE KITS design kits suit levels skilli Innovative kits feature i-Glass fuselages ine cut foam cores est grade bales s blisters scale details could makel s used design kit assures accurate outlineal r conaise instruction along true accurate planal telephone support will help youl CHECK THESE OPTIONS ! [xl Complete cockpit kits models lxi Bombs tanks hard points [xl Pilots [xl Scale Tires snd Hubsl [xl Retracts support equipmentl INNOVATIVE MODEL PRODUCTS PO Box 4365 Margate FL 33063 NMPRA/Hager Continued page 184 2 Dave Shadel Brian Richmond 4 Norm JDhnsDn 5 Peter Bergstrom 6 Lyle Larson 7 Dave Layman 8 Don McStay 9 Bill Hager 10 PaulBenezra 11 ClarkWade 12 Mike Helael i3 Darrol Cady 14 DubJeft 15 Lou Rodriguez 16 Bob Greer 17 Tom Strom 18 Richard Verano 19 Bruce Brown 20 Pete Reed Kazi Toni Shark Toni Mustang PoleCat Toni Toni Stinger 4011184 3910857 3911189 3611372 3611203 3511004 3411396 3111378 3111328 3111526 3011149 2911152 2911301 2911362 2911451 2711280 2611324 2611900 2512073 THE AMA IS YOU AND ME Disc Sander/Kopski Continued page 44 disk Center table top will have select some thin wood cardboard pieces shimsa little custom work finished sander has exactly above table top motor V block assembly held base plate two clamps made yellow inner parts Sullivan Golden Rods RC model push rods available two diameters either will Just cut two pieces plastic rod length wrapped over motor/motor mount ends fall about e base plate surface plastic C clamp rods will later drawn tight four 1in 2-56 machine screws inserted bottom base plate screws simply thread Golden Rod cut own threads process although like run 2-56 tap plastic first ease task Incidentally motor V block assembly shims have glued bottom also has 120 150 grit sandpaper glued clamps drawn snug sandpaper pressed base plate prevents motor/mount slipping 2-in larger recommended diameter sanding disk cut flat 14-in plywood mounted motor shaft Electric model plane propeller adapter adapters made sev eral folks Astro Hobby Lobby Gold berg Great Planes others well suited application used Great Planes Because sanding disk thinner props may necessary trim off prop adapter shank bit shortened the Great Planes adapter about Dremel/cutoff wheel sand ing disk drilled center please fit shank diameter snugly Continued page 190 May 1991 189 INNOVATIVE HAS PLANS FOR ALL YOUR FAVORITE WAR BIRDS HAWKER TEMPEST. 82 SPAN 1/5th SCALE HAWKER TYPHOON. 83136 SPAN 1/5th SCALE HAWKER SEA FURY. 8225 SPAN 1/5th SCALE TA152H .11375 SPAN 1/5 SCALE SBD DAUNTLESS. 85 SPAN 1/5th SCALE P-S1A/A36. 7625 SPAN 1/6th SCALE MIG 3. 811 SPAN 1/5th SCALE PLUS 37 MORE PLANS SEND FOR YOUR CATALOG TODAY plans can cut kits Call quotes TOLL FREE 1-800-780-Fl 90 Ii ANY WAY YOU USE THEM ADDS UP TO SETTER PERFORMANCE NYROD THE ORIGINAL JQub PUSH ROD COMPLETE WITH ALL REQUIRED METAL _____________________________ FITTINGS IDEALLY SUITED FOR ANY PUSH AQO P~TtON RUDDERS ELEVATORS AILERONS THROTTLEKAROWARE INCLUDED CONTROL BOATS SEA PLANES. YOUR14 NYROOatAer IMAGINATION18 Rod 256 Threaded arid 3C LONG ASSEMBLED LENGTH NYROO SU-PAU PRODUCTS INC 18800 Slab Route 47 E Disc Sander/Kopski Continued page 189 countersunk front accept flathead mounting screw pictured cut needed A-in long screw longer 6-32 machine screw best length disk mount screw may vary depending prop adapter prop adapter held motor shaft set screw Most motors have flat shaft set screw should rest course will want make sure disk turns true no wobble Mine tracked perfectly could perceive kit SALE $9995 LIST $ 139~ SALE LIST 1 19 SALE $7995 LIST $1 14~ SALE $7995 LIST 114~ Ask 6o see liz aiz local dealer available order direct CARDEN 1731 NW Madrid Way Boca Raton FL 33432 Call Anytime 367-7744 Free Catalog MasterCard VISA Accepted disk does run true recheck make sure warped flat against prop adapter disk screw snug Recheck motor shaft itself runs true prop adapter well motor shaft set screw tight disk still wobbles determine high spot holding pencil work table close disk face rotating disk hand mark high point loosen disk screw try small off-center paper tape shim between disk prop adapter slightly tilt disk outward low point little patience will produce true-running disk point can attach disk sandpaper recommend using 120 150 grit prefer silicon carbide alumi num oxide paper long wear Garnet pa per ok too used double stick carpet tape attach paper could easily replaced Some rub-on glue stick some rubber cement sold paper adhe sive would work well too have tried self-adhesive sandpaper Whatever method attachment choose just sure paper can easily removed replacement Mechanical assembly sander can now proceed Temporarily mount mo tor mount plastic clamps snugged lightly motor mount can still moved Temporarily hold work table place four No 634-in flat head wood screws Now adjust position motor/mount disk face about 42-in parallel table cutout Confirm disk center level table top tighten clamp screws point will want confirm also disk face vertically perpendicular table sur face should off little try snugging either front rear clamp needed can also try paper shim between motor mount front rear needed Remove table top sander wiring next Two wiring diagrams shown simpler sufficient permits motor spin direction oaly direction can choosing Select direction simply reversing wire connections motor Whatever direction chose work always held work ta ble side spinning disk such direction rotation presses work against table single di rection wiring scheme must choose side right left face disk youd prefer work Motors neutral timed run equally well either direction Some model motors timed favor direction rotationcounter clock wise case Ive seen case work must held left side disk center sander uses neutral timed motor wired according second dia gram DPDT double pole double throw Center Off switch allows disk rotation reversed simply flipping switch either side center OFF position Thus can approach disk both sides Ive found very convenient Mount four self-stick rubber feet bottom base plate sketched stall four cells check motor/switch operation Attach some pieces /2-in thick soft plastic foam underside table top presses flashlight cells Install work table top Install guide start ers try aligning disk face using small drafting triangle establish 900 Ereball RIC Idle-Bar Glow Plugs Long Short Also .Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $169 190 Model Aviation ,yngwagnCLalal Foan Fly ng Sanface AIan Landing Ga Cloar Co..able Bald, Oil 8255Shaded 01 S365Delca Sheefed 01 S495 ULTIMATESPORT RC 255 Eat Ahlard/PO 8oa727Sada Spring Idaho 83276 ULTB7ATE lOnfla PIPE1208547-3742FanFa,h Inla SendSOSE angle Turn sander feed some balsa strip slowly against disk Dont force feed exactly highpower machine does have adequate power however let sandpa per its job youll well pleased results Now try guide set-up some very large angle Sand two equal cross section strips trial fit resulting ends shown photo Awesome huh very useful optional accessory motorized sander angle transfer de vice pictured simple tool consists two pieces A-in birch ply A-in wide 3 long other 3 short foot same material about 1/16 long glued underside longer strip end opposite pivot two wood arms assembled shown 4-40 machine screw fash ioned thumb nut structure de scribed sanding guide above shorter arm has 4-40 blind mounting nut recessed about /64 in bottom sur face side three teeth nut must flattened cut off About A6 nut boss protrudes past top surface forms pivot top ply piece nut can held place simple press fit drop CyA Incidentally cut recess Dremel burr small friction disk sandpaper dropped over protruding boss glued ply arm serves hold chosen angular setting securely friction thumbscrew tightened Make sure screw length such does protrude below surface lower arm photos show applica tion angle transfer accessory have say resulting high precision gular fits downright incrediblebest joints Ive ever visited About info cant give what sanders useful battery life will idle no sanding motors Ive tried draw between two amps course drain increases sanding load because relatively high cur rent use alkaline cells best perform ance life So far Ive sanded sticks SIG Seniorita kit modified Electric course done lot playing demonstrating cells still going strong Just let sandpa per work Dont force work slow down disk noticeably Turn switch off between sticks should experience similar battery life sander definitely few best tools Ive used 40-plus years model building experience Im sure youll find good investment hope enjoy building pleasure af fords have may very well never have built accurately before ________1 wirnv AMA SINCE 1936 U No686 Foiler RO Pattern-type sport plane 45-65 2-cycle 60-90 4-cycle power Spans 65-in No687 Windsock 75 Non-flying Profile P-51 used weather vane Spans 36-in No688 Stealth Glider $200 FF rubberband-launched foamlbalsa Canard OatapultlStealth Glider combo No 193StIletto CL Stont model McDonald winner 1976 1980 1982 FAI World ChampsS 375 No 262Craahmaater CL Crash-pmof trainer two sizesi V30 35140 powerS 125 No 3101930 Fleet Biplane AC Sport Scale 35140 4-channel Wingspan 06 scale Two sheetsS 625 No 314Drake II AC Ken Wigardo flying boat tor 3-channel 15-power Fly 1mm land mmonable gearS 375 No 326Taylor Cub AC Dee SmIls Schoolyard-Scale tsr GOOn 2-3 channel Spans 50 inS 350 No 332Zephyr Ac Sinai 2-channel glider tsr hand-launch tow thermal slope snailogS 200 No 386Laaer 200 AC Span Scale replica ol championship Aembolic flier Uses 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa Amanlca AC Old-Timer Teouco model tor 049 glow 2-channelsS 650 No 4804-40 AC Shoelder-aing sport flier tsr 4-cycle 40-size engine 4 channelsS 650 No 465Blue Max II AC Fon-fly sportoter 40-size onglees spans 52 Lightweigld strectom5 710 No 539thlmitar SlowMotIon 15 AC Tailless flying wing 15 engines spans 60 ones 3-ch AC9 350 No 578Schwelzer 1-26B AC Osorter-scale Sailplane spans 125 Two plan sheetsS 1475 No 581Gee Bee Model Y AC golden Age Aacer spans 72 scale 60 power Thow plan shootsS 1175 oNo 568Mariah AC Sloie-Sosrleg Sailplane spans 41 in. uses 2 AC channelsS 425 o No 593 Taylorcrafli AC Sport Scale lightplane builds slandard 2-placer clipped-wing air show stonier Spans either 70 50A 30140 two-slrake 40/48 foer-otrolm engine Two plan shoots no docomontationS 1000 01c\JNo 598coronet 150 AC-Assist Old-Timer enlarged 150% spans 72 in. ones 40-sea 4-stroke/30-soo 2-stroke$ 850 2No 603Sparrow Hawk P30 FF Competition robber-power plane won 87 hats Spans 30 in$ 225 No 607Cuniee Seagull AC Giant Scale biplane spans 90 soon OuadralZenooh power Three plan sheets no dec92400 V01 No 609 Taperwing AC Pylon Ascer opoos 29i/e Ptan plus non ports template shootS 600 C 0No 610 Protobypa AC Sport biplane spans 48 uses 45/2-cyclo 8014-cycle powerS 550 19 Keith Rider R4 FF Scale Golden Am racer oobber power spans 18 inS 3 00 01No 620 Gimlet 40 AC SportiPattem piano spans 60 40150 enilne 2 shootsS 11 00 o No 623 Hendemon Longeter AC Osarter-scate 1933 finder spans 90 4-stroke 40148 engine 3 plan ohm no doc S 1650 01No 624 Keleher Lark AC Onarter-scale homebuifi tyans 69 60198 4-streke power 2 plan shoots rio doc5 1100 fl QNo 626 Sweepee AC SpartiPattom canards toceard-swept wing spans 64 eses 40 power 2 plan shoots5 1300 628 Prime cut AC Spart/Aembatic plane spans 00 ones Ooadra 35/40-sm power Two plan shootsS 1300 iO onNo 630Original Fly Baby AC Old-Timer spans 72 uses 19/25 2-cycle 48 4-cycle power 2 plan shoots5 1150 E No 641LII Ole Reliable AC Old-Timer sport filer spans 50 enginesS 575 No 644Bellanca Columbia AC Schoolyard Scnle 2 AC channels eniioe Wingspan 46 in5 575 -No 646Winder Hawk FF flobber-power Coope ditloer competition plane spans 47 inS 375 CD No 65047/88 RC SpecIal AC Aeroba5c sport plane 40 power spans 61 3 plan shootsS 1075 6 ENo 652Der Fledermaus AC Low-wing sport plane 20135 power spans 55 in5 675 z onNo 654ramecat AC Trainer/sportster styled like F14 spoon 66 40161 power Four plan sheetsS 1525 /2No 655Astroatar FF AMA Class N6 Gas plane spano 67 uses 325135Scc power5 800 0No 657Super Squim AC Trainer 35/40 2-stroke 53 4-stroke power spans 50 in5 7 50 No 659Boom Box FF Wakefield Aubler compotition plane spoon 54 inS 400 2 No 660Volkaplane AC Electric-powered sportster br 05 motor spoon 50 2 plan ohtsS 925 No 661BmbryOmatlc FF Erebipo Endurance rebler-power plane spans 20 in5 200 oNo 662Boxklte CL Scale anhltne canard pusher biplane spans 42 2 plan ohooto81100 01No 663Pea Patch AC Spoitnier spans 60 uses 401504-stroke power 2 plan sheets$ 900 No 664 Stuka Stunt CL Stoeter nemiscale spans 37 in$ 500 No 665Conacientlous Objector FF Molaihill Auhher competition plane spans 50 Oat$ 575 No 66661101 AC Sportster spans 48 ones hot 20132 power 2 plan shootsS 1075 on01No 667AT-6 CL Somiscale preble Stenter 35/40 power spans 47 inS 575 No 669Rota Raven AC Sailpiase onique twist-wing control Spans 76-in Anquiros elenon miningS 650 citNo 670Limitation CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 671Ceaena Cardinal FF Aeminder Scale sport filer power spans 39-inS 575 01No 672KrackerJac AC updated enraiso pioneer sport plane spans 74-in two pine shoots5 1375 -~No 673Cauollmordax Fans Combat ship designed 20-32 power Foom wiog spoon 48-in$ 500 v-No 674Krumpler AC 075-poweind Electric semi-scale hi-winier spans 30-inS 5J5 01No 675SOP-I FF twin-tailed sport filer fer Coo 02 Pee Woo engine spans 20-in$ 225 C -01No 678HilIner AC twin-electitc high-wing Sport ship designed Ihe Hiline lmp-35 motor Has tricycle gear spans 48 in$ 400 No 677Thunderbird CL Stonier 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54 in$ 975 01No 676Bean Box FF West Coast fiostonian Outdoor design Spans 16 in$ 1 50 01No 679Big Bingot Large AC Sporister spans 85 120-24 power Two plan sheets$ 1700 No 680Belleeve Winner Ausslan FAt CL Combat ship spans 47 in$ 475 01No 6611969 Bade BD-4 FF Aubbar Scale model spans 18 in$ 325 No 662 B T Vintage Trainer AC Aeminder-Scale Sportster 20-size engines Spoon 47% two plan sheeto$ 1150 o No 683 MIchaels Muatang CL Sport Scale P-Si f/nA engines Spans 21 in5 325 01 No 664 Staggerwlng Beech 3-Channel AC Schoolyard-Scale hi-wing Sportster 049 power Spans 32-in$ 5375 01No 685 Akro-Bat CL Stonter higb-porfnrmnnce 049 eniines Spoon 32-inS $230 ut Circle numbers plans wish order best handling please include re- 00quests payment some other service plans order c193262310314326332386447 460465539578581588593598I oton I0 Os- 603607609610619620623624 28630641644646650652 ooE zzo654655657659660661662663 o ~664665666667669670671672 74675676677678679680I 02 ~681682683684685686687688 Plan prCe inCludeS first Class postage US delivery Air Mail over 300 miles I orders non-US address lease add $250 Air Mail asIa e handlin Ian Make check money order payable US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Reston VA 22090 Please allow 3 6 weeks delivery 01 Please print carefully Enclosed $ csI________________________________ a-on NAME _____________________________________________ AMA No ________________ STREET 011 CITY -ISTATE ______________________________________ _____________________________ L ZIPI May1991 191
Edition: Model Aviation - 1991/05
Page Numbers: 41, 42, 43, 44, 189, 190, 191
miniature disc Heres tool no re spectable modelbuilding shop should chances youve got nec essary building ma terials already hand shopE Bob Kopski THE MINIATURE disc sander sim pie easily-built battery-powered motor ized tool should find welcome place modelers workshop will useful building virtually kind model plane can think ex cept perhaps delicate door models handy tool indeed models such Old Timers made sticks primarily intended use balsa sander will also nice job smaller cross-sections spruce capable providing out standingly accurate tight joints anglesespecially important using CyA adhesives As can seen photos sketches miniature sander has rela tively few parts Further no really critical dimensions assembly shown some liberty can taken suit own needs interests choice motor relatively unimportant readily available RC car model plane motors will work very well other parts materials available hobby shop hardware store Ra dio Shack actually enough stuff just lying around shop build originalexcept battery holder Begin cutting needed wood pieces May 1991 41 Use external tool set work guide angle small drafting triangle used tween stopped disk guide set accurate 90 angle Hold triangle against disk slide guide against tighten thumbscrew Motor related items inc sanaing aisK plate can made nce n round rough cutting shape mounting motor spinning against another rotating sanding disk electric drill Before after cutting Radio Shack p/n 270 389 four D-cell holder wires come attached unsoidered New connections will made points Note 4-40 screw assembly added hold tapered coil spring other box half remaining coil spring wire rotated up bent back other connections will made 2-7A62——] 2-1/8 BLI NUTS zVi74u WORK TABLE 2- Ii2 II 7' / SLOT t 3/4 -I 3/4 7/8 -AI/8I/4 SPRUCE 1/4 PLY PLATES WORK GUIDE shown base plate orig inal made h-in ply almost flat wood plate % k would satisfactory side rails made standard 1-in x 2-in pine molding stockwhich reality actually measures about never could under stand lumber always smaller its name work table surface cut flat A-in sheet modeling ply adjustable sanding guide 2in-diameter sanding disk plate front panel ON/OFF switch handily mounted can made thin wood material used A-in Lite Ply Other wood parts used housing assembly include four short pieces Basic sander assembly underway A-in sq wood strips nest battery holder halves ends dont spread open under spring pressure cells installed Holders screwed basepiate A-in square balsa spruce box battery holders Also motor mount needs some assorted small wood pieces detailed sketches other wooden piece needed work guide As shown original work guide made piece 2 sq A-in ply notch cut illus trated easy just make up such plate using two nar rower A-in plates separated %2 held together A-in x A-in spruce end pieces glued place guide plate has two strips 120 150 grit sandpaper glued onto under thumbscrew pressure plate wont slip its position work table Note three locations 6-32 blind mounting nuts table surface options combined adjust ability afforded off-center plate slot allow total flexibility angular loca tion guide relative disk sur face always use guide left side table can install blind nuts either both sides word about guide plate thumb screw made 1-in 6-32 machine screw Three 6-32 nuts separated spring lock washers jammed against 42 Model Aviation 4-I/P Detail work guide iiomemaae tnumo screw easy cheap effective Choose screw length wont hit batteries under neath Note sandpaper friction strips giued bottom side guide three blind nut locations Details motor battery switch mounting STRAP -ri-i IiiIII IIIill 1 II I/4x 1-1/2 SANDPAPER 7 vveraii view witn tfle worn table plate re moved Soft plastic foam pieces serve snug flashlight batteries table top place Remove top replace cells other fashion such nut hexes pointed relative other Give drop thin CyA adhe sive makes very cheap thumbscrew hold slotted work guide plate chosen position Sander assembly begins gluing screwing side rails base plate Next what feared would tough task turned out piece o cake Ra dio Shack battery holder best choice could find readily available has cut half shown As purchased holder designed house four D-type flashlight batteries series What really needed however two sets two cells seriesin parallel effect two flash light cells will connected series half battery holder two sets two cells wired parallel done provide three volts substantial capacity run motor Radio Shack battery holder easily modified accomplish above result As purchased holder has center web can removed scoring web pieces side base X Acto knife wiggling plastic piece few times until breaks loose does cleanly Next necessary cut spring wire end battery box crosses side other wire piece extends off tapered wound spring forms negative - contact riveted eyelet form positive act other side used Dremel tool cutoff wheel should do-able pair old wire cuttersthat dont mind nickingor perhaps file cut wire tail coming off nowloose coil spring held plastic box 6-1/2 / 4 SQ t BALSA OR~I-3/4—- 1-1/4 SPRUCE jrA BASE MATERIAL 3/8 TO 3/4 THICK PLYWOOD 7fl1 3/4x 1-5/8 SIDES LE r- SWITCH N 1/8 PLY 4 -J 51/4 L TOP VIEW OF BASE ASSEMBLY 1/4 PLY TABLEX SANDER NO6x3/4FH D SCRE -. jill I/S PLY1 SWITCH..Z~ FRONT 3/4x 1-5/8 3 fCK-ON RUBBER FEET 1/211 BALSA TRIANGLE -3/ / / _ K- 1-1/2-MOTOR MOUNT IIII MOTOR 1-3/8 TO 1-1/2 DIAM TYPICAL 1/211 3/4 HDWD II Th/4 PLY - SHIMS SEE TEXT STRIPS GLUED TO BOTTOM May 1991 43 Parts make up angle transfer device Bottom arm shown held has 4-40 blind mounting nut Tee nut installed shal low recess bottom Sandpaper circle glued over protruding nut boss Homemade thumbscrew installed top side footed arm -in 4-40 machine screw washer solder lug nut re-affixes coil spring also provides electrical con nection point used later Another electrical connection will soldered short piece wire remaining under positive contact rivet next task cut battery holder half easily done cutting right down middle box bottom X-Acto knife using straightedge cut ting guide Make repeated light scoring cuts until through plastic battery holder made rather workable mate rial should have no problem cut point should have two 2-cell holders Following photos sketches set half-holders place against wood side pieces locate two mounting SPRING WIRE CUTOFF\ SOLDER holes base plate wood side pieces now form part battery box side Mount holder using two No 6 x %-in wood sheet metal screws Next CyA four A-in sq x 1 A-in wood strips side rails end battery boxes ends spread open flashlight cells inserted point can glue front switch panel place against front wood strips Ive tried number 540-size model car motors 05 model plane mo tors ordinarily used six seven cell NiCd batteries tried ran very well three-volt battery packs described above Running nip tors higher voltages proved no advant age fact shortened battery life creased operating noise induced SPRING WIRE CUTOFF\ SOLDER ER 4-40 SCREW SOLDER LUG SOLDER SPST SWITCH R S NO 275634 WIRING DIAGRAM SINGLE DIRECTION OPERATION some vibration guess no such model motor described above wont good job suggest find cheapest can possible find neutral timed adjustable neutral runs equally well either direction necessity nice have Ill de scribe its virtues shortly motors described above nearly same outside diameter motor mount shown will work well mount di mension cant pre-determined eas ily height final motor mount height must trimmed shims glued bottom mount motor work table place motor shaft center hence sanding Continued page 189 y SOLDER - -44O SCREW -1--ti WASH ER ff1 SOLDER LUG NUT ~1 D CELLS DER SOLOERN DPDT SWITCH R S NO 275664 WIRING DIAGRAM FOR DUAL DIRECTION OPERATION 44 Model Aviation Heres what piece in balsa looks like being sanded wide angle heres pair end end Awesome fit Heres authors angle transfer device use angle established adjusting arms right over plan snugging thumb screw device used transfer angle work guide plate setting case 3A-in square balsa stick will sanded fit just about perfectly Senlorita stab assembly 4- OTOR INNOVATIVE MODEL PRODUCTS HAS THE RIGHT STUFF BIG 37oz Tu DONT GET YOUR BUTT KICKED! PFMTM REGARDLESS OF WHAT THE SO CALLED COPY-CAT PRODUCTS SAY THE FACTS ARE AS FOLLOWSYOU GET APPROK 253 IIORE PRODUCT WITH PFM PFM IS NOT WATERED DOWNIF YOU ADDED SUPER ADHESIVE THE THINNER THAT THEY DO TO PFM YOU WOULD ALMOST HAVE TWICE THE PRODUcT ONLY PFM IS NON PLAMABLE AND IT PFMUSOSYIISPROS sThsmeaag WILL NOT GIVE OFF TOXIC FUMES WHEN USED AS DIRECTED ~ SO KICK THE COPY-CAT IN THE BUTT AND TAKE US UP ON OUR RINIIOVATIVE MODELS AND HOBBY LOBBY WANT YOU TO BE EeasReaoe5t SAFEI IIERES THE DEALI WE WANT YOU TO BE SAFEI IF YOU HAVE ECIIASED ZAP- A- DAP- A- GOO GOOP OR SHOE 000 BlAND -INNOVATIVE MODEL PEOOUCTB TIIII UNUSED PORTION VITII PItOOF OP TIlE SUPER STROllS SUPER FLIXABIE PRICE YOU RAVE PAID AiD CIIECIC POE 5995 MINUS TEE PRICE YOU PAID SUPER FAST AND YR WILL SEND YOU NSIV TUBE OP SUPER PPM NOT SMALL SAMPLE SEPSTlIt4TWHEREIThEllISOXE PULL SIZE TODD AND YOU CAN BET YOU VDNT 11USD THE GAIG SVASLEWITRtIITATRACE TO CONVINCE TOO TO EVITCHI itINNOVATIVE WANTS TO CONORADULATEflAMON AND tIdaL Cal lasaclivi ModelPOPPY TORRES FOR OUTSTAHOINO FINISh AT THE AJoObhfro WORLD SCALE CHAh4PIONSHIPSWERE OLAD PFI4 WAS ,Ik, ~OUR SUCCESSI mitsnjtlmlattlmrnaNtNttEtntSaEtIlIlllIitBtlttlSBSNIINm 1991 Catalogs $300 COMING THIS SPRING. VOUGHT F4U CORSAIR SPAN 56 IN ALSO REPUBLIC P-47 THUNDERBOLT 80 IN SPAN Innovative kits have full compliment scale accessories gun hoods bumps blisters molded gear doors fully detailed views Whether want scale max Sunday fly dont get let Out ifl coldi SCALE WAR BIRDS THAT COST AS LI1TLE AS THE ARFS YET WONT TAKE LIFE TIME TO BUILD LIKE OTHER SCALE KITS design kits suit levels skilli Innovative kits feature i-Glass fuselages ine cut foam cores est grade bales s blisters scale details could makel s used design kit assures accurate outlineal r conaise instruction along true accurate planal telephone support will help youl CHECK THESE OPTIONS ! [xl Complete cockpit kits models lxi Bombs tanks hard points [xl Pilots [xl Scale Tires snd Hubsl [xl Retracts support equipmentl INNOVATIVE MODEL PRODUCTS PO Box 4365 Margate FL 33063 NMPRA/Hager Continued page 184 2 Dave Shadel Brian Richmond 4 Norm JDhnsDn 5 Peter Bergstrom 6 Lyle Larson 7 Dave Layman 8 Don McStay 9 Bill Hager 10 PaulBenezra 11 ClarkWade 12 Mike Helael i3 Darrol Cady 14 DubJeft 15 Lou Rodriguez 16 Bob Greer 17 Tom Strom 18 Richard Verano 19 Bruce Brown 20 Pete Reed Kazi Toni Shark Toni Mustang PoleCat Toni Toni Stinger 4011184 3910857 3911189 3611372 3611203 3511004 3411396 3111378 3111328 3111526 3011149 2911152 2911301 2911362 2911451 2711280 2611324 2611900 2512073 THE AMA IS YOU AND ME Disc Sander/Kopski Continued page 44 disk Center table top will have select some thin wood cardboard pieces shimsa little custom work finished sander has exactly above table top motor V block assembly held base plate two clamps made yellow inner parts Sullivan Golden Rods RC model push rods available two diameters either will Just cut two pieces plastic rod length wrapped over motor/motor mount ends fall about e base plate surface plastic C clamp rods will later drawn tight four 1in 2-56 machine screws inserted bottom base plate screws simply thread Golden Rod cut own threads process although like run 2-56 tap plastic first ease task Incidentally motor V block assembly shims have glued bottom also has 120 150 grit sandpaper glued clamps drawn snug sandpaper pressed base plate prevents motor/mount slipping 2-in larger recommended diameter sanding disk cut flat 14-in plywood mounted motor shaft Electric model plane propeller adapter adapters made sev eral folks Astro Hobby Lobby Gold berg Great Planes others well suited application used Great Planes Because sanding disk thinner props may necessary trim off prop adapter shank bit shortened the Great Planes adapter about Dremel/cutoff wheel sand ing disk drilled center please fit shank diameter snugly Continued page 190 May 1991 189 INNOVATIVE HAS PLANS FOR ALL YOUR FAVORITE WAR BIRDS HAWKER TEMPEST. 82 SPAN 1/5th SCALE HAWKER TYPHOON. 83136 SPAN 1/5th SCALE HAWKER SEA FURY. 8225 SPAN 1/5th SCALE TA152H .11375 SPAN 1/5 SCALE SBD DAUNTLESS. 85 SPAN 1/5th SCALE P-S1A/A36. 7625 SPAN 1/6th SCALE MIG 3. 811 SPAN 1/5th SCALE PLUS 37 MORE PLANS SEND FOR YOUR CATALOG TODAY plans can cut kits Call quotes TOLL FREE 1-800-780-Fl 90 Ii ANY WAY YOU USE THEM ADDS UP TO SETTER PERFORMANCE NYROD THE ORIGINAL JQub PUSH ROD COMPLETE WITH ALL REQUIRED METAL _____________________________ FITTINGS IDEALLY SUITED FOR ANY PUSH AQO P~TtON RUDDERS ELEVATORS AILERONS THROTTLEKAROWARE INCLUDED CONTROL BOATS SEA PLANES. YOUR14 NYROOatAer IMAGINATION18 Rod 256 Threaded arid 3C LONG ASSEMBLED LENGTH NYROO SU-PAU PRODUCTS INC 18800 Slab Route 47 E Disc Sander/Kopski Continued page 189 countersunk front accept flathead mounting screw pictured cut needed A-in long screw longer 6-32 machine screw best length disk mount screw may vary depending prop adapter prop adapter held motor shaft set screw Most motors have flat shaft set screw should rest course will want make sure disk turns true no wobble Mine tracked perfectly could perceive kit SALE $9995 LIST $ 139~ SALE LIST 1 19 SALE $7995 LIST $1 14~ SALE $7995 LIST 114~ Ask 6o see liz aiz local dealer available order direct CARDEN 1731 NW Madrid Way Boca Raton FL 33432 Call Anytime 367-7744 Free Catalog MasterCard VISA Accepted disk does run true recheck make sure warped flat against prop adapter disk screw snug Recheck motor shaft itself runs true prop adapter well motor shaft set screw tight disk still wobbles determine high spot holding pencil work table close disk face rotating disk hand mark high point loosen disk screw try small off-center paper tape shim between disk prop adapter slightly tilt disk outward low point little patience will produce true-running disk point can attach disk sandpaper recommend using 120 150 grit prefer silicon carbide alumi num oxide paper long wear Garnet pa per ok too used double stick carpet tape attach paper could easily replaced Some rub-on glue stick some rubber cement sold paper adhe sive would work well too have tried self-adhesive sandpaper Whatever method attachment choose just sure paper can easily removed replacement Mechanical assembly sander can now proceed Temporarily mount mo tor mount plastic clamps snugged lightly motor mount can still moved Temporarily hold work table place four No 634-in flat head wood screws Now adjust position motor/mount disk face about 42-in parallel table cutout Confirm disk center level table top tighten clamp screws point will want confirm also disk face vertically perpendicular table sur face should off little try snugging either front rear clamp needed can also try paper shim between motor mount front rear needed Remove table top sander wiring next Two wiring diagrams shown simpler sufficient permits motor spin direction oaly direction can choosing Select direction simply reversing wire connections motor Whatever direction chose work always held work ta ble side spinning disk such direction rotation presses work against table single di rection wiring scheme must choose side right left face disk youd prefer work Motors neutral timed run equally well either direction Some model motors timed favor direction rotationcounter clock wise case Ive seen case work must held left side disk center sander uses neutral timed motor wired according second dia gram DPDT double pole double throw Center Off switch allows disk rotation reversed simply flipping switch either side center OFF position Thus can approach disk both sides Ive found very convenient Mount four self-stick rubber feet bottom base plate sketched stall four cells check motor/switch operation Attach some pieces /2-in thick soft plastic foam underside table top presses flashlight cells Install work table top Install guide start ers try aligning disk face using small drafting triangle establish 900 Ereball RIC Idle-Bar Glow Plugs Long Short Also .Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $169 190 Model Aviation ,yngwagnCLalal Foan Fly ng Sanface AIan Landing Ga Cloar Co..able Bald, Oil 8255Shaded 01 S365Delca Sheefed 01 S495 ULTIMATESPORT RC 255 Eat Ahlard/PO 8oa727Sada Spring Idaho 83276 ULTB7ATE lOnfla PIPE1208547-3742FanFa,h Inla SendSOSE angle Turn sander feed some balsa strip slowly against disk Dont force feed exactly highpower machine does have adequate power however let sandpa per its job youll well pleased results Now try guide set-up some very large angle Sand two equal cross section strips trial fit resulting ends shown photo Awesome huh very useful optional accessory motorized sander angle transfer de vice pictured simple tool consists two pieces A-in birch ply A-in wide 3 long other 3 short foot same material about 1/16 long glued underside longer strip end opposite pivot two wood arms assembled shown 4-40 machine screw fash ioned thumb nut structure de scribed sanding guide above shorter arm has 4-40 blind mounting nut recessed about /64 in bottom sur face side three teeth nut must flattened cut off About A6 nut boss protrudes past top surface forms pivot top ply piece nut can held place simple press fit drop CyA Incidentally cut recess Dremel burr small friction disk sandpaper dropped over protruding boss glued ply arm serves hold chosen angular setting securely friction thumbscrew tightened Make sure screw length such does protrude below surface lower arm photos show applica tion angle transfer accessory have say resulting high precision gular fits downright incrediblebest joints Ive ever visited About info cant give what sanders useful battery life will idle no sanding motors Ive tried draw between two amps course drain increases sanding load because relatively high cur rent use alkaline cells best perform ance life So far Ive sanded sticks SIG Seniorita kit modified Electric course done lot playing demonstrating cells still going strong Just let sandpa per work Dont force work slow down disk noticeably Turn switch off between sticks should experience similar battery life sander definitely few best tools Ive used 40-plus years model building experience Im sure youll find good investment hope enjoy building pleasure af fords have may very well never have built accurately before ________1 wirnv AMA SINCE 1936 U No686 Foiler RO Pattern-type sport plane 45-65 2-cycle 60-90 4-cycle power Spans 65-in No687 Windsock 75 Non-flying Profile P-51 used weather vane Spans 36-in No688 Stealth Glider $200 FF rubberband-launched foamlbalsa Canard OatapultlStealth Glider combo No 193StIletto CL Stont model McDonald winner 1976 1980 1982 FAI World ChampsS 375 No 262Craahmaater CL Crash-pmof trainer two sizesi V30 35140 powerS 125 No 3101930 Fleet Biplane AC Sport Scale 35140 4-channel Wingspan 06 scale Two sheetsS 625 No 314Drake II AC Ken Wigardo flying boat tor 3-channel 15-power Fly 1mm land mmonable gearS 375 No 326Taylor Cub AC Dee SmIls Schoolyard-Scale tsr GOOn 2-3 channel Spans 50 inS 350 No 332Zephyr Ac Sinai 2-channel glider tsr hand-launch tow thermal slope snailogS 200 No 386Laaer 200 AC Span Scale replica ol championship Aembolic flier Uses 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa Amanlca AC Old-Timer Teouco model tor 049 glow 2-channelsS 650 No 4804-40 AC Shoelder-aing sport flier tsr 4-cycle 40-size engine 4 channelsS 650 No 465Blue Max II AC Fon-fly sportoter 40-size onglees spans 52 Lightweigld strectom5 710 No 539thlmitar SlowMotIon 15 AC Tailless flying wing 15 engines spans 60 ones 3-ch AC9 350 No 578Schwelzer 1-26B AC Osorter-scale Sailplane spans 125 Two plan sheetsS 1475 No 581Gee Bee Model Y AC golden Age Aacer spans 72 scale 60 power Thow plan shootsS 1175 oNo 568Mariah AC Sloie-Sosrleg Sailplane spans 41 in. uses 2 AC channelsS 425 o No 593 Taylorcrafli AC Sport Scale lightplane builds slandard 2-placer clipped-wing air show stonier Spans either 70 50A 30140 two-slrake 40/48 foer-otrolm engine Two plan shoots no docomontationS 1000 01c\JNo 598coronet 150 AC-Assist Old-Timer enlarged 150% spans 72 in. ones 40-sea 4-stroke/30-soo 2-stroke$ 850 2No 603Sparrow Hawk P30 FF Competition robber-power plane won 87 hats Spans 30 in$ 225 No 607Cuniee Seagull AC Giant Scale biplane spans 90 soon OuadralZenooh power Three plan sheets no dec92400 V01 No 609 Taperwing AC Pylon Ascer opoos 29i/e Ptan plus non ports template shootS 600 C 0No 610 Protobypa AC Sport biplane spans 48 uses 45/2-cyclo 8014-cycle powerS 550 19 Keith Rider R4 FF Scale Golden Am racer oobber power spans 18 inS 3 00 01No 620 Gimlet 40 AC SportiPattem piano spans 60 40150 enilne 2 shootsS 11 00 o No 623 Hendemon Longeter AC Osarter-scate 1933 finder spans 90 4-stroke 40148 engine 3 plan ohm no doc S 1650 01No 624 Keleher Lark AC Onarter-scale homebuifi tyans 69 60198 4-streke power 2 plan shoots rio doc5 1100 fl QNo 626 Sweepee AC SpartiPattom canards toceard-swept wing spans 64 eses 40 power 2 plan shoots5 1300 628 Prime cut AC Spart/Aembatic plane spans 00 ones Ooadra 35/40-sm power Two plan shootsS 1300 iO onNo 630Original Fly Baby AC Old-Timer spans 72 uses 19/25 2-cycle 48 4-cycle power 2 plan shoots5 1150 E No 641LII Ole Reliable AC Old-Timer sport filer spans 50 enginesS 575 No 644Bellanca Columbia AC Schoolyard Scnle 2 AC channels eniioe Wingspan 46 in5 575 -No 646Winder Hawk FF flobber-power Coope ditloer competition plane spans 47 inS 375 CD No 65047/88 RC SpecIal AC Aeroba5c sport plane 40 power spans 61 3 plan shootsS 1075 6 ENo 652Der Fledermaus AC Low-wing sport plane 20135 power spans 55 in5 675 z onNo 654ramecat AC Trainer/sportster styled like F14 spoon 66 40161 power Four plan sheetsS 1525 /2No 655Astroatar FF AMA Class N6 Gas plane spano 67 uses 325135Scc power5 800 0No 657Super Squim AC Trainer 35/40 2-stroke 53 4-stroke power spans 50 in5 7 50 No 659Boom Box FF Wakefield Aubler compotition plane spoon 54 inS 400 2 No 660Volkaplane AC Electric-powered sportster br 05 motor spoon 50 2 plan ohtsS 925 No 661BmbryOmatlc FF Erebipo Endurance rebler-power plane spans 20 in5 200 oNo 662Boxklte CL Scale anhltne canard pusher biplane spans 42 2 plan ohooto81100 01No 663Pea Patch AC Spoitnier spans 60 uses 401504-stroke power 2 plan sheets$ 900 No 664 Stuka Stunt CL Stoeter nemiscale spans 37 in$ 500 No 665Conacientlous Objector FF Molaihill Auhher competition plane spans 50 Oat$ 575 No 66661101 AC Sportster spans 48 ones hot 20132 power 2 plan shootsS 1075 on01No 667AT-6 CL Somiscale preble Stenter 35/40 power spans 47 inS 575 No 669Rota Raven AC Sailpiase onique twist-wing control Spans 76-in Anquiros elenon miningS 650 citNo 670Limitation CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 671Ceaena Cardinal FF Aeminder Scale sport filer power spans 39-inS 575 01No 672KrackerJac AC updated enraiso pioneer sport plane spans 74-in two pine shoots5 1375 -~No 673Cauollmordax Fans Combat ship designed 20-32 power Foom wiog spoon 48-in$ 500 v-No 674Krumpler AC 075-poweind Electric semi-scale hi-winier spans 30-inS 5J5 01No 675SOP-I FF twin-tailed sport filer fer Coo 02 Pee Woo engine spans 20-in$ 225 C -01No 678HilIner AC twin-electitc high-wing Sport ship designed Ihe Hiline lmp-35 motor Has tricycle gear spans 48 in$ 400 No 677Thunderbird CL Stonier 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54 in$ 975 01No 676Bean Box FF West Coast fiostonian Outdoor design Spans 16 in$ 1 50 01No 679Big Bingot Large AC Sporister spans 85 120-24 power Two plan sheets$ 1700 No 680Belleeve Winner Ausslan FAt CL Combat ship spans 47 in$ 475 01No 6611969 Bade BD-4 FF Aubbar Scale model spans 18 in$ 325 No 662 B T Vintage Trainer AC Aeminder-Scale Sportster 20-size engines Spoon 47% two plan sheeto$ 1150 o No 683 MIchaels Muatang CL Sport Scale P-Si f/nA engines Spans 21 in5 325 01 No 664 Staggerwlng Beech 3-Channel AC Schoolyard-Scale hi-wing Sportster 049 power Spans 32-in$ 5375 01No 685 Akro-Bat CL Stonter higb-porfnrmnnce 049 eniines Spoon 32-inS $230 ut Circle numbers plans wish order best handling please include re- 00quests payment some other service plans order c193262310314326332386447 460465539578581588593598I oton I0 Os- 603607609610619620623624 28630641644646650652 ooE zzo654655657659660661662663 o ~664665666667669670671672 74675676677678679680I 02 ~681682683684685686687688 Plan prCe inCludeS first Class postage US delivery Air Mail over 300 miles I orders non-US address lease add $250 Air Mail asIa e handlin Ian Make check money order payable US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Reston VA 22090 Please allow 3 6 weeks delivery 01 Please print carefully Enclosed $ csI________________________________ a-on NAME _____________________________________________ AMA No ________________ STREET 011 CITY -ISTATE ______________________________________ _____________________________ L ZIPI May1991 191
Edition: Model Aviation - 1991/05
Page Numbers: 41, 42, 43, 44, 189, 190, 191
miniature disc Heres tool no re spectable modelbuilding shop should chances youve got nec essary building ma terials already hand shopE Bob Kopski THE MINIATURE disc sander sim pie easily-built battery-powered motor ized tool should find welcome place modelers workshop will useful building virtually kind model plane can think ex cept perhaps delicate door models handy tool indeed models such Old Timers made sticks primarily intended use balsa sander will also nice job smaller cross-sections spruce capable providing out standingly accurate tight joints anglesespecially important using CyA adhesives As can seen photos sketches miniature sander has rela tively few parts Further no really critical dimensions assembly shown some liberty can taken suit own needs interests choice motor relatively unimportant readily available RC car model plane motors will work very well other parts materials available hobby shop hardware store Ra dio Shack actually enough stuff just lying around shop build originalexcept battery holder Begin cutting needed wood pieces May 1991 41 Use external tool set work guide angle small drafting triangle used tween stopped disk guide set accurate 90 angle Hold triangle against disk slide guide against tighten thumbscrew Motor related items inc sanaing aisK plate can made nce n round rough cutting shape mounting motor spinning against another rotating sanding disk electric drill Before after cutting Radio Shack p/n 270 389 four D-cell holder wires come attached unsoidered New connections will made points Note 4-40 screw assembly added hold tapered coil spring other box half remaining coil spring wire rotated up bent back other connections will made 2-7A62——] 2-1/8 BLI NUTS zVi74u WORK TABLE 2- Ii2 II 7' / SLOT t 3/4 -I 3/4 7/8 -AI/8I/4 SPRUCE 1/4 PLY PLATES WORK GUIDE shown base plate orig inal made h-in ply almost flat wood plate % k would satisfactory side rails made standard 1-in x 2-in pine molding stockwhich reality actually measures about never could under stand lumber always smaller its name work table surface cut flat A-in sheet modeling ply adjustable sanding guide 2in-diameter sanding disk plate front panel ON/OFF switch handily mounted can made thin wood material used A-in Lite Ply Other wood parts used housing assembly include four short pieces Basic sander assembly underway A-in sq wood strips nest battery holder halves ends dont spread open under spring pressure cells installed Holders screwed basepiate A-in square balsa spruce box battery holders Also motor mount needs some assorted small wood pieces detailed sketches other wooden piece needed work guide As shown original work guide made piece 2 sq A-in ply notch cut illus trated easy just make up such plate using two nar rower A-in plates separated %2 held together A-in x A-in spruce end pieces glued place guide plate has two strips 120 150 grit sandpaper glued onto under thumbscrew pressure plate wont slip its position work table Note three locations 6-32 blind mounting nuts table surface options combined adjust ability afforded off-center plate slot allow total flexibility angular loca tion guide relative disk sur face always use guide left side table can install blind nuts either both sides word about guide plate thumb screw made 1-in 6-32 machine screw Three 6-32 nuts separated spring lock washers jammed against 42 Model Aviation 4-I/P Detail work guide iiomemaae tnumo screw easy cheap effective Choose screw length wont hit batteries under neath Note sandpaper friction strips giued bottom side guide three blind nut locations Details motor battery switch mounting STRAP -ri-i IiiIII IIIill 1 II I/4x 1-1/2 SANDPAPER 7 vveraii view witn tfle worn table plate re moved Soft plastic foam pieces serve snug flashlight batteries table top place Remove top replace cells other fashion such nut hexes pointed relative other Give drop thin CyA adhe sive makes very cheap thumbscrew hold slotted work guide plate chosen position Sander assembly begins gluing screwing side rails base plate Next what feared would tough task turned out piece o cake Ra dio Shack battery holder best choice could find readily available has cut half shown As purchased holder designed house four D-type flashlight batteries series What really needed however two sets two cells seriesin parallel effect two flash light cells will connected series half battery holder two sets two cells wired parallel done provide three volts substantial capacity run motor Radio Shack battery holder easily modified accomplish above result As purchased holder has center web can removed scoring web pieces side base X Acto knife wiggling plastic piece few times until breaks loose does cleanly Next necessary cut spring wire end battery box crosses side other wire piece extends off tapered wound spring forms negative - contact riveted eyelet form positive act other side used Dremel tool cutoff wheel should do-able pair old wire cuttersthat dont mind nickingor perhaps file cut wire tail coming off nowloose coil spring held plastic box 6-1/2 / 4 SQ t BALSA OR~I-3/4—- 1-1/4 SPRUCE jrA BASE MATERIAL 3/8 TO 3/4 THICK PLYWOOD 7fl1 3/4x 1-5/8 SIDES LE r- SWITCH N 1/8 PLY 4 -J 51/4 L TOP VIEW OF BASE ASSEMBLY 1/4 PLY TABLEX SANDER NO6x3/4FH D SCRE -. jill I/S PLY1 SWITCH..Z~ FRONT 3/4x 1-5/8 3 fCK-ON RUBBER FEET 1/211 BALSA TRIANGLE -3/ / / _ K- 1-1/2-MOTOR MOUNT IIII MOTOR 1-3/8 TO 1-1/2 DIAM TYPICAL 1/211 3/4 HDWD II Th/4 PLY - SHIMS SEE TEXT STRIPS GLUED TO BOTTOM May 1991 43 Parts make up angle transfer device Bottom arm shown held has 4-40 blind mounting nut Tee nut installed shal low recess bottom Sandpaper circle glued over protruding nut boss Homemade thumbscrew installed top side footed arm -in 4-40 machine screw washer solder lug nut re-affixes coil spring also provides electrical con nection point used later Another electrical connection will soldered short piece wire remaining under positive contact rivet next task cut battery holder half easily done cutting right down middle box bottom X-Acto knife using straightedge cut ting guide Make repeated light scoring cuts until through plastic battery holder made rather workable mate rial should have no problem cut point should have two 2-cell holders Following photos sketches set half-holders place against wood side pieces locate two mounting SPRING WIRE CUTOFF\ SOLDER holes base plate wood side pieces now form part battery box side Mount holder using two No 6 x %-in wood sheet metal screws Next CyA four A-in sq x 1 A-in wood strips side rails end battery boxes ends spread open flashlight cells inserted point can glue front switch panel place against front wood strips Ive tried number 540-size model car motors 05 model plane mo tors ordinarily used six seven cell NiCd batteries tried ran very well three-volt battery packs described above Running nip tors higher voltages proved no advant age fact shortened battery life creased operating noise induced SPRING WIRE CUTOFF\ SOLDER ER 4-40 SCREW SOLDER LUG SOLDER SPST SWITCH R S NO 275634 WIRING DIAGRAM SINGLE DIRECTION OPERATION some vibration guess no such model motor described above wont good job suggest find cheapest can possible find neutral timed adjustable neutral runs equally well either direction necessity nice have Ill de scribe its virtues shortly motors described above nearly same outside diameter motor mount shown will work well mount di mension cant pre-determined eas ily height final motor mount height must trimmed shims glued bottom mount motor work table place motor shaft center hence sanding Continued page 189 y SOLDER - -44O SCREW -1--ti WASH ER ff1 SOLDER LUG NUT ~1 D CELLS DER SOLOERN DPDT SWITCH R S NO 275664 WIRING DIAGRAM FOR DUAL DIRECTION OPERATION 44 Model Aviation Heres what piece in balsa looks like being sanded wide angle heres pair end end Awesome fit Heres authors angle transfer device use angle established adjusting arms right over plan snugging thumb screw device used transfer angle work guide plate setting case 3A-in square balsa stick will sanded fit just about perfectly Senlorita stab assembly 4- OTOR INNOVATIVE MODEL PRODUCTS HAS THE RIGHT STUFF BIG 37oz Tu DONT GET YOUR BUTT KICKED! PFMTM REGARDLESS OF WHAT THE SO CALLED COPY-CAT PRODUCTS SAY THE FACTS ARE AS FOLLOWSYOU GET APPROK 253 IIORE PRODUCT WITH PFM PFM IS NOT WATERED DOWNIF YOU ADDED SUPER ADHESIVE THE THINNER THAT THEY DO TO PFM YOU WOULD ALMOST HAVE TWICE THE PRODUcT ONLY PFM IS NON PLAMABLE AND IT PFMUSOSYIISPROS sThsmeaag WILL NOT GIVE OFF TOXIC FUMES WHEN USED AS DIRECTED ~ SO KICK THE COPY-CAT IN THE BUTT AND TAKE US UP ON OUR RINIIOVATIVE MODELS AND HOBBY LOBBY WANT YOU TO BE EeasReaoe5t SAFEI IIERES THE DEALI WE WANT YOU TO BE SAFEI IF YOU HAVE ECIIASED ZAP- A- DAP- A- GOO GOOP OR SHOE 000 BlAND -INNOVATIVE MODEL PEOOUCTB TIIII UNUSED PORTION VITII PItOOF OP TIlE SUPER STROllS SUPER FLIXABIE PRICE YOU RAVE PAID AiD CIIECIC POE 5995 MINUS TEE PRICE YOU PAID SUPER FAST AND YR WILL SEND YOU NSIV TUBE OP SUPER PPM NOT SMALL SAMPLE SEPSTlIt4TWHEREIThEllISOXE PULL SIZE TODD AND YOU CAN BET YOU VDNT 11USD THE GAIG SVASLEWITRtIITATRACE TO CONVINCE TOO TO EVITCHI itINNOVATIVE WANTS TO CONORADULATEflAMON AND tIdaL Cal lasaclivi ModelPOPPY TORRES FOR OUTSTAHOINO FINISh AT THE AJoObhfro WORLD SCALE CHAh4PIONSHIPSWERE OLAD PFI4 WAS ,Ik, ~OUR SUCCESSI mitsnjtlmlattlmrnaNtNttEtntSaEtIlIlllIitBtlttlSBSNIINm 1991 Catalogs $300 COMING THIS SPRING. VOUGHT F4U CORSAIR SPAN 56 IN ALSO REPUBLIC P-47 THUNDERBOLT 80 IN SPAN Innovative kits have full compliment scale accessories gun hoods bumps blisters molded gear doors fully detailed views Whether want scale max Sunday fly dont get let Out ifl coldi SCALE WAR BIRDS THAT COST AS LI1TLE AS THE ARFS YET WONT TAKE LIFE TIME TO BUILD LIKE OTHER SCALE KITS design kits suit levels skilli Innovative kits feature i-Glass fuselages ine cut foam cores est grade bales s blisters scale details could makel s used design kit assures accurate outlineal r conaise instruction along true accurate planal telephone support will help youl CHECK THESE OPTIONS ! [xl Complete cockpit kits models lxi Bombs tanks hard points [xl Pilots [xl Scale Tires snd Hubsl [xl Retracts support equipmentl INNOVATIVE MODEL PRODUCTS PO Box 4365 Margate FL 33063 NMPRA/Hager Continued page 184 2 Dave Shadel Brian Richmond 4 Norm JDhnsDn 5 Peter Bergstrom 6 Lyle Larson 7 Dave Layman 8 Don McStay 9 Bill Hager 10 PaulBenezra 11 ClarkWade 12 Mike Helael i3 Darrol Cady 14 DubJeft 15 Lou Rodriguez 16 Bob Greer 17 Tom Strom 18 Richard Verano 19 Bruce Brown 20 Pete Reed Kazi Toni Shark Toni Mustang PoleCat Toni Toni Stinger 4011184 3910857 3911189 3611372 3611203 3511004 3411396 3111378 3111328 3111526 3011149 2911152 2911301 2911362 2911451 2711280 2611324 2611900 2512073 THE AMA IS YOU AND ME Disc Sander/Kopski Continued page 44 disk Center table top will have select some thin wood cardboard pieces shimsa little custom work finished sander has exactly above table top motor V block assembly held base plate two clamps made yellow inner parts Sullivan Golden Rods RC model push rods available two diameters either will Just cut two pieces plastic rod length wrapped over motor/motor mount ends fall about e base plate surface plastic C clamp rods will later drawn tight four 1in 2-56 machine screws inserted bottom base plate screws simply thread Golden Rod cut own threads process although like run 2-56 tap plastic first ease task Incidentally motor V block assembly shims have glued bottom also has 120 150 grit sandpaper glued clamps drawn snug sandpaper pressed base plate prevents motor/mount slipping 2-in larger recommended diameter sanding disk cut flat 14-in plywood mounted motor shaft Electric model plane propeller adapter adapters made sev eral folks Astro Hobby Lobby Gold berg Great Planes others well suited application used Great Planes Because sanding disk thinner props may necessary trim off prop adapter shank bit shortened the Great Planes adapter about Dremel/cutoff wheel sand ing disk drilled center please fit shank diameter snugly Continued page 190 May 1991 189 INNOVATIVE HAS PLANS FOR ALL YOUR FAVORITE WAR BIRDS HAWKER TEMPEST. 82 SPAN 1/5th SCALE HAWKER TYPHOON. 83136 SPAN 1/5th SCALE HAWKER SEA FURY. 8225 SPAN 1/5th SCALE TA152H .11375 SPAN 1/5 SCALE SBD DAUNTLESS. 85 SPAN 1/5th SCALE P-S1A/A36. 7625 SPAN 1/6th SCALE MIG 3. 811 SPAN 1/5th SCALE PLUS 37 MORE PLANS SEND FOR YOUR CATALOG TODAY plans can cut kits Call quotes TOLL FREE 1-800-780-Fl 90 Ii ANY WAY YOU USE THEM ADDS UP TO SETTER PERFORMANCE NYROD THE ORIGINAL JQub PUSH ROD COMPLETE WITH ALL REQUIRED METAL _____________________________ FITTINGS IDEALLY SUITED FOR ANY PUSH AQO P~TtON RUDDERS ELEVATORS AILERONS THROTTLEKAROWARE INCLUDED CONTROL BOATS SEA PLANES. YOUR14 NYROOatAer IMAGINATION18 Rod 256 Threaded arid 3C LONG ASSEMBLED LENGTH NYROO SU-PAU PRODUCTS INC 18800 Slab Route 47 E Disc Sander/Kopski Continued page 189 countersunk front accept flathead mounting screw pictured cut needed A-in long screw longer 6-32 machine screw best length disk mount screw may vary depending prop adapter prop adapter held motor shaft set screw Most motors have flat shaft set screw should rest course will want make sure disk turns true no wobble Mine tracked perfectly could perceive kit SALE $9995 LIST $ 139~ SALE LIST 1 19 SALE $7995 LIST $1 14~ SALE $7995 LIST 114~ Ask 6o see liz aiz local dealer available order direct CARDEN 1731 NW Madrid Way Boca Raton FL 33432 Call Anytime 367-7744 Free Catalog MasterCard VISA Accepted disk does run true recheck make sure warped flat against prop adapter disk screw snug Recheck motor shaft itself runs true prop adapter well motor shaft set screw tight disk still wobbles determine high spot holding pencil work table close disk face rotating disk hand mark high point loosen disk screw try small off-center paper tape shim between disk prop adapter slightly tilt disk outward low point little patience will produce true-running disk point can attach disk sandpaper recommend using 120 150 grit prefer silicon carbide alumi num oxide paper long wear Garnet pa per ok too used double stick carpet tape attach paper could easily replaced Some rub-on glue stick some rubber cement sold paper adhe sive would work well too have tried self-adhesive sandpaper Whatever method attachment choose just sure paper can easily removed replacement Mechanical assembly sander can now proceed Temporarily mount mo tor mount plastic clamps snugged lightly motor mount can still moved Temporarily hold work table place four No 634-in flat head wood screws Now adjust position motor/mount disk face about 42-in parallel table cutout Confirm disk center level table top tighten clamp screws point will want confirm also disk face vertically perpendicular table sur face should off little try snugging either front rear clamp needed can also try paper shim between motor mount front rear needed Remove table top sander wiring next Two wiring diagrams shown simpler sufficient permits motor spin direction oaly direction can choosing Select direction simply reversing wire connections motor Whatever direction chose work always held work ta ble side spinning disk such direction rotation presses work against table single di rection wiring scheme must choose side right left face disk youd prefer work Motors neutral timed run equally well either direction Some model motors timed favor direction rotationcounter clock wise case Ive seen case work must held left side disk center sander uses neutral timed motor wired according second dia gram DPDT double pole double throw Center Off switch allows disk rotation reversed simply flipping switch either side center OFF position Thus can approach disk both sides Ive found very convenient Mount four self-stick rubber feet bottom base plate sketched stall four cells check motor/switch operation Attach some pieces /2-in thick soft plastic foam underside table top presses flashlight cells Install work table top Install guide start ers try aligning disk face using small drafting triangle establish 900 Ereball RIC Idle-Bar Glow Plugs Long Short Also .Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $169 190 Model Aviation ,yngwagnCLalal Foan Fly ng Sanface AIan Landing Ga Cloar Co..able Bald, Oil 8255Shaded 01 S365Delca Sheefed 01 S495 ULTIMATESPORT RC 255 Eat Ahlard/PO 8oa727Sada Spring Idaho 83276 ULTB7ATE lOnfla PIPE1208547-3742FanFa,h Inla SendSOSE angle Turn sander feed some balsa strip slowly against disk Dont force feed exactly highpower machine does have adequate power however let sandpa per its job youll well pleased results Now try guide set-up some very large angle Sand two equal cross section strips trial fit resulting ends shown photo Awesome huh very useful optional accessory motorized sander angle transfer de vice pictured simple tool consists two pieces A-in birch ply A-in wide 3 long other 3 short foot same material about 1/16 long glued underside longer strip end opposite pivot two wood arms assembled shown 4-40 machine screw fash ioned thumb nut structure de scribed sanding guide above shorter arm has 4-40 blind mounting nut recessed about /64 in bottom sur face side three teeth nut must flattened cut off About A6 nut boss protrudes past top surface forms pivot top ply piece nut can held place simple press fit drop CyA Incidentally cut recess Dremel burr small friction disk sandpaper dropped over protruding boss glued ply arm serves hold chosen angular setting securely friction thumbscrew tightened Make sure screw length such does protrude below surface lower arm photos show applica tion angle transfer accessory have say resulting high precision gular fits downright incrediblebest joints Ive ever visited About info cant give what sanders useful battery life will idle no sanding motors Ive tried draw between two amps course drain increases sanding load because relatively high cur rent use alkaline cells best perform ance life So far Ive sanded sticks SIG Seniorita kit modified Electric course done lot playing demonstrating cells still going strong Just let sandpa per work Dont force work slow down disk noticeably Turn switch off between sticks should experience similar battery life sander definitely few best tools Ive used 40-plus years model building experience Im sure youll find good investment hope enjoy building pleasure af fords have may very well never have built accurately before ________1 wirnv AMA SINCE 1936 U No686 Foiler RO Pattern-type sport plane 45-65 2-cycle 60-90 4-cycle power Spans 65-in No687 Windsock 75 Non-flying Profile P-51 used weather vane Spans 36-in No688 Stealth Glider $200 FF rubberband-launched foamlbalsa Canard OatapultlStealth Glider combo No 193StIletto CL Stont model McDonald winner 1976 1980 1982 FAI World ChampsS 375 No 262Craahmaater CL Crash-pmof trainer two sizesi V30 35140 powerS 125 No 3101930 Fleet Biplane AC Sport Scale 35140 4-channel Wingspan 06 scale Two sheetsS 625 No 314Drake II AC Ken Wigardo flying boat tor 3-channel 15-power Fly 1mm land mmonable gearS 375 No 326Taylor Cub AC Dee SmIls Schoolyard-Scale tsr GOOn 2-3 channel Spans 50 inS 350 No 332Zephyr Ac Sinai 2-channel glider tsr hand-launch tow thermal slope snailogS 200 No 386Laaer 200 AC Span Scale replica ol championship Aembolic flier Uses 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa Amanlca AC Old-Timer Teouco model tor 049 glow 2-channelsS 650 No 4804-40 AC Shoelder-aing sport flier tsr 4-cycle 40-size engine 4 channelsS 650 No 465Blue Max II AC Fon-fly sportoter 40-size onglees spans 52 Lightweigld strectom5 710 No 539thlmitar SlowMotIon 15 AC Tailless flying wing 15 engines spans 60 ones 3-ch AC9 350 No 578Schwelzer 1-26B AC Osorter-scale Sailplane spans 125 Two plan sheetsS 1475 No 581Gee Bee Model Y AC golden Age Aacer spans 72 scale 60 power Thow plan shootsS 1175 oNo 568Mariah AC Sloie-Sosrleg Sailplane spans 41 in. uses 2 AC channelsS 425 o No 593 Taylorcrafli AC Sport Scale lightplane builds slandard 2-placer clipped-wing air show stonier Spans either 70 50A 30140 two-slrake 40/48 foer-otrolm engine Two plan shoots no docomontationS 1000 01c\JNo 598coronet 150 AC-Assist Old-Timer enlarged 150% spans 72 in. ones 40-sea 4-stroke/30-soo 2-stroke$ 850 2No 603Sparrow Hawk P30 FF Competition robber-power plane won 87 hats Spans 30 in$ 225 No 607Cuniee Seagull AC Giant Scale biplane spans 90 soon OuadralZenooh power Three plan sheets no dec92400 V01 No 609 Taperwing AC Pylon Ascer opoos 29i/e Ptan plus non ports template shootS 600 C 0No 610 Protobypa AC Sport biplane spans 48 uses 45/2-cyclo 8014-cycle powerS 550 19 Keith Rider R4 FF Scale Golden Am racer oobber power spans 18 inS 3 00 01No 620 Gimlet 40 AC SportiPattem piano spans 60 40150 enilne 2 shootsS 11 00 o No 623 Hendemon Longeter AC Osarter-scate 1933 finder spans 90 4-stroke 40148 engine 3 plan ohm no doc S 1650 01No 624 Keleher Lark AC Onarter-scale homebuifi tyans 69 60198 4-streke power 2 plan shoots rio doc5 1100 fl QNo 626 Sweepee AC SpartiPattom canards toceard-swept wing spans 64 eses 40 power 2 plan shoots5 1300 628 Prime cut AC Spart/Aembatic plane spans 00 ones Ooadra 35/40-sm power Two plan shootsS 1300 iO onNo 630Original Fly Baby AC Old-Timer spans 72 uses 19/25 2-cycle 48 4-cycle power 2 plan shoots5 1150 E No 641LII Ole Reliable AC Old-Timer sport filer spans 50 enginesS 575 No 644Bellanca Columbia AC Schoolyard Scnle 2 AC channels eniioe Wingspan 46 in5 575 -No 646Winder Hawk FF flobber-power Coope ditloer competition plane spans 47 inS 375 CD No 65047/88 RC SpecIal AC Aeroba5c sport plane 40 power spans 61 3 plan shootsS 1075 6 ENo 652Der Fledermaus AC Low-wing sport plane 20135 power spans 55 in5 675 z onNo 654ramecat AC Trainer/sportster styled like F14 spoon 66 40161 power Four plan sheetsS 1525 /2No 655Astroatar FF AMA Class N6 Gas plane spano 67 uses 325135Scc power5 800 0No 657Super Squim AC Trainer 35/40 2-stroke 53 4-stroke power spans 50 in5 7 50 No 659Boom Box FF Wakefield Aubler compotition plane spoon 54 inS 400 2 No 660Volkaplane AC Electric-powered sportster br 05 motor spoon 50 2 plan ohtsS 925 No 661BmbryOmatlc FF Erebipo Endurance rebler-power plane spans 20 in5 200 oNo 662Boxklte CL Scale anhltne canard pusher biplane spans 42 2 plan ohooto81100 01No 663Pea Patch AC Spoitnier spans 60 uses 401504-stroke power 2 plan sheets$ 900 No 664 Stuka Stunt CL Stoeter nemiscale spans 37 in$ 500 No 665Conacientlous Objector FF Molaihill Auhher competition plane spans 50 Oat$ 575 No 66661101 AC Sportster spans 48 ones hot 20132 power 2 plan shootsS 1075 on01No 667AT-6 CL Somiscale preble Stenter 35/40 power spans 47 inS 575 No 669Rota Raven AC Sailpiase onique twist-wing control Spans 76-in Anquiros elenon miningS 650 citNo 670Limitation CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 671Ceaena Cardinal FF Aeminder Scale sport filer power spans 39-inS 575 01No 672KrackerJac AC updated enraiso pioneer sport plane spans 74-in two pine shoots5 1375 -~No 673Cauollmordax Fans Combat ship designed 20-32 power Foom wiog spoon 48-in$ 500 v-No 674Krumpler AC 075-poweind Electric semi-scale hi-winier spans 30-inS 5J5 01No 675SOP-I FF twin-tailed sport filer fer Coo 02 Pee Woo engine spans 20-in$ 225 C -01No 678HilIner AC twin-electitc high-wing Sport ship designed Ihe Hiline lmp-35 motor Has tricycle gear spans 48 in$ 400 No 677Thunderbird CL Stonier 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54 in$ 975 01No 676Bean Box FF West Coast fiostonian Outdoor design Spans 16 in$ 1 50 01No 679Big Bingot Large AC Sporister spans 85 120-24 power Two plan sheets$ 1700 No 680Belleeve Winner Ausslan FAt CL Combat ship spans 47 in$ 475 01No 6611969 Bade BD-4 FF Aubbar Scale model spans 18 in$ 325 No 662 B T Vintage Trainer AC Aeminder-Scale Sportster 20-size engines Spoon 47% two plan sheeto$ 1150 o No 683 MIchaels Muatang CL Sport Scale P-Si f/nA engines Spans 21 in5 325 01 No 664 Staggerwlng Beech 3-Channel AC Schoolyard-Scale hi-wing Sportster 049 power Spans 32-in$ 5375 01No 685 Akro-Bat CL Stonter higb-porfnrmnnce 049 eniines Spoon 32-inS $230 ut Circle numbers plans wish order best handling please include re- 00quests payment some other service plans order c193262310314326332386447 460465539578581588593598I oton I0 Os- 603607609610619620623624 28630641644646650652 ooE zzo654655657659660661662663 o ~664665666667669670671672 74675676677678679680I 02 ~681682683684685686687688 Plan prCe inCludeS first Class postage US delivery Air Mail over 300 miles I orders non-US address lease add $250 Air Mail asIa e handlin Ian Make check money order payable US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Reston VA 22090 Please allow 3 6 weeks delivery 01 Please print carefully Enclosed $ csI________________________________ a-on NAME _____________________________________________ AMA No ________________ STREET 011 CITY -ISTATE ______________________________________ _____________________________ L ZIPI May1991 191
Edition: Model Aviation - 1991/05
Page Numbers: 41, 42, 43, 44, 189, 190, 191
miniature disc Heres tool no re spectable modelbuilding shop should chances youve got nec essary building ma terials already hand shopE Bob Kopski THE MINIATURE disc sander sim pie easily-built battery-powered motor ized tool should find welcome place modelers workshop will useful building virtually kind model plane can think ex cept perhaps delicate door models handy tool indeed models such Old Timers made sticks primarily intended use balsa sander will also nice job smaller cross-sections spruce capable providing out standingly accurate tight joints anglesespecially important using CyA adhesives As can seen photos sketches miniature sander has rela tively few parts Further no really critical dimensions assembly shown some liberty can taken suit own needs interests choice motor relatively unimportant readily available RC car model plane motors will work very well other parts materials available hobby shop hardware store Ra dio Shack actually enough stuff just lying around shop build originalexcept battery holder Begin cutting needed wood pieces May 1991 41 Use external tool set work guide angle small drafting triangle used tween stopped disk guide set accurate 90 angle Hold triangle against disk slide guide against tighten thumbscrew Motor related items inc sanaing aisK plate can made nce n round rough cutting shape mounting motor spinning against another rotating sanding disk electric drill Before after cutting Radio Shack p/n 270 389 four D-cell holder wires come attached unsoidered New connections will made points Note 4-40 screw assembly added hold tapered coil spring other box half remaining coil spring wire rotated up bent back other connections will made 2-7A62——] 2-1/8 BLI NUTS zVi74u WORK TABLE 2- Ii2 II 7' / SLOT t 3/4 -I 3/4 7/8 -AI/8I/4 SPRUCE 1/4 PLY PLATES WORK GUIDE shown base plate orig inal made h-in ply almost flat wood plate % k would satisfactory side rails made standard 1-in x 2-in pine molding stockwhich reality actually measures about never could under stand lumber always smaller its name work table surface cut flat A-in sheet modeling ply adjustable sanding guide 2in-diameter sanding disk plate front panel ON/OFF switch handily mounted can made thin wood material used A-in Lite Ply Other wood parts used housing assembly include four short pieces Basic sander assembly underway A-in sq wood strips nest battery holder halves ends dont spread open under spring pressure cells installed Holders screwed basepiate A-in square balsa spruce box battery holders Also motor mount needs some assorted small wood pieces detailed sketches other wooden piece needed work guide As shown original work guide made piece 2 sq A-in ply notch cut illus trated easy just make up such plate using two nar rower A-in plates separated %2 held together A-in x A-in spruce end pieces glued place guide plate has two strips 120 150 grit sandpaper glued onto under thumbscrew pressure plate wont slip its position work table Note three locations 6-32 blind mounting nuts table surface options combined adjust ability afforded off-center plate slot allow total flexibility angular loca tion guide relative disk sur face always use guide left side table can install blind nuts either both sides word about guide plate thumb screw made 1-in 6-32 machine screw Three 6-32 nuts separated spring lock washers jammed against 42 Model Aviation 4-I/P Detail work guide iiomemaae tnumo screw easy cheap effective Choose screw length wont hit batteries under neath Note sandpaper friction strips giued bottom side guide three blind nut locations Details motor battery switch mounting STRAP -ri-i IiiIII IIIill 1 II I/4x 1-1/2 SANDPAPER 7 vveraii view witn tfle worn table plate re moved Soft plastic foam pieces serve snug flashlight batteries table top place Remove top replace cells other fashion such nut hexes pointed relative other Give drop thin CyA adhe sive makes very cheap thumbscrew hold slotted work guide plate chosen position Sander assembly begins gluing screwing side rails base plate Next what feared would tough task turned out piece o cake Ra dio Shack battery holder best choice could find readily available has cut half shown As purchased holder designed house four D-type flashlight batteries series What really needed however two sets two cells seriesin parallel effect two flash light cells will connected series half battery holder two sets two cells wired parallel done provide three volts substantial capacity run motor Radio Shack battery holder easily modified accomplish above result As purchased holder has center web can removed scoring web pieces side base X Acto knife wiggling plastic piece few times until breaks loose does cleanly Next necessary cut spring wire end battery box crosses side other wire piece extends off tapered wound spring forms negative - contact riveted eyelet form positive act other side used Dremel tool cutoff wheel should do-able pair old wire cuttersthat dont mind nickingor perhaps file cut wire tail coming off nowloose coil spring held plastic box 6-1/2 / 4 SQ t BALSA OR~I-3/4—- 1-1/4 SPRUCE jrA BASE MATERIAL 3/8 TO 3/4 THICK PLYWOOD 7fl1 3/4x 1-5/8 SIDES LE r- SWITCH N 1/8 PLY 4 -J 51/4 L TOP VIEW OF BASE ASSEMBLY 1/4 PLY TABLEX SANDER NO6x3/4FH D SCRE -. jill I/S PLY1 SWITCH..Z~ FRONT 3/4x 1-5/8 3 fCK-ON RUBBER FEET 1/211 BALSA TRIANGLE -3/ / / _ K- 1-1/2-MOTOR MOUNT IIII MOTOR 1-3/8 TO 1-1/2 DIAM TYPICAL 1/211 3/4 HDWD II Th/4 PLY - SHIMS SEE TEXT STRIPS GLUED TO BOTTOM May 1991 43 Parts make up angle transfer device Bottom arm shown held has 4-40 blind mounting nut Tee nut installed shal low recess bottom Sandpaper circle glued over protruding nut boss Homemade thumbscrew installed top side footed arm -in 4-40 machine screw washer solder lug nut re-affixes coil spring also provides electrical con nection point used later Another electrical connection will soldered short piece wire remaining under positive contact rivet next task cut battery holder half easily done cutting right down middle box bottom X-Acto knife using straightedge cut ting guide Make repeated light scoring cuts until through plastic battery holder made rather workable mate rial should have no problem cut point should have two 2-cell holders Following photos sketches set half-holders place against wood side pieces locate two mounting SPRING WIRE CUTOFF\ SOLDER holes base plate wood side pieces now form part battery box side Mount holder using two No 6 x %-in wood sheet metal screws Next CyA four A-in sq x 1 A-in wood strips side rails end battery boxes ends spread open flashlight cells inserted point can glue front switch panel place against front wood strips Ive tried number 540-size model car motors 05 model plane mo tors ordinarily used six seven cell NiCd batteries tried ran very well three-volt battery packs described above Running nip tors higher voltages proved no advant age fact shortened battery life creased operating noise induced SPRING WIRE CUTOFF\ SOLDER ER 4-40 SCREW SOLDER LUG SOLDER SPST SWITCH R S NO 275634 WIRING DIAGRAM SINGLE DIRECTION OPERATION some vibration guess no such model motor described above wont good job suggest find cheapest can possible find neutral timed adjustable neutral runs equally well either direction necessity nice have Ill de scribe its virtues shortly motors described above nearly same outside diameter motor mount shown will work well mount di mension cant pre-determined eas ily height final motor mount height must trimmed shims glued bottom mount motor work table place motor shaft center hence sanding Continued page 189 y SOLDER - -44O SCREW -1--ti WASH ER ff1 SOLDER LUG NUT ~1 D CELLS DER SOLOERN DPDT SWITCH R S NO 275664 WIRING DIAGRAM FOR DUAL DIRECTION OPERATION 44 Model Aviation Heres what piece in balsa looks like being sanded wide angle heres pair end end Awesome fit Heres authors angle transfer device use angle established adjusting arms right over plan snugging thumb screw device used transfer angle work guide plate setting case 3A-in square balsa stick will sanded fit just about perfectly Senlorita stab assembly 4- OTOR INNOVATIVE MODEL PRODUCTS HAS THE RIGHT STUFF BIG 37oz Tu DONT GET YOUR BUTT KICKED! PFMTM REGARDLESS OF WHAT THE SO CALLED COPY-CAT PRODUCTS SAY THE FACTS ARE AS FOLLOWSYOU GET APPROK 253 IIORE PRODUCT WITH PFM PFM IS NOT WATERED DOWNIF YOU ADDED SUPER ADHESIVE THE THINNER THAT THEY DO TO PFM YOU WOULD ALMOST HAVE TWICE THE PRODUcT ONLY PFM IS NON PLAMABLE AND IT PFMUSOSYIISPROS sThsmeaag WILL NOT GIVE OFF TOXIC FUMES WHEN USED AS DIRECTED ~ SO KICK THE COPY-CAT IN THE BUTT AND TAKE US UP ON OUR RINIIOVATIVE MODELS AND HOBBY LOBBY WANT YOU TO BE EeasReaoe5t SAFEI IIERES THE DEALI WE WANT YOU TO BE SAFEI IF YOU HAVE ECIIASED ZAP- A- DAP- A- GOO GOOP OR SHOE 000 BlAND -INNOVATIVE MODEL PEOOUCTB TIIII UNUSED PORTION VITII PItOOF OP TIlE SUPER STROllS SUPER FLIXABIE PRICE YOU RAVE PAID AiD CIIECIC POE 5995 MINUS TEE PRICE YOU PAID SUPER FAST AND YR WILL SEND YOU NSIV TUBE OP SUPER PPM NOT SMALL SAMPLE SEPSTlIt4TWHEREIThEllISOXE PULL SIZE TODD AND YOU CAN BET YOU VDNT 11USD THE GAIG SVASLEWITRtIITATRACE TO CONVINCE TOO TO EVITCHI itINNOVATIVE WANTS TO CONORADULATEflAMON AND tIdaL Cal lasaclivi ModelPOPPY TORRES FOR OUTSTAHOINO FINISh AT THE AJoObhfro WORLD SCALE CHAh4PIONSHIPSWERE OLAD PFI4 WAS ,Ik, ~OUR SUCCESSI mitsnjtlmlattlmrnaNtNttEtntSaEtIlIlllIitBtlttlSBSNIINm 1991 Catalogs $300 COMING THIS SPRING. VOUGHT F4U CORSAIR SPAN 56 IN ALSO REPUBLIC P-47 THUNDERBOLT 80 IN SPAN Innovative kits have full compliment scale accessories gun hoods bumps blisters molded gear doors fully detailed views Whether want scale max Sunday fly dont get let Out ifl coldi SCALE WAR BIRDS THAT COST AS LI1TLE AS THE ARFS YET WONT TAKE LIFE TIME TO BUILD LIKE OTHER SCALE KITS design kits suit levels skilli Innovative kits feature i-Glass fuselages ine cut foam cores est grade bales s blisters scale details could makel s used design kit assures accurate outlineal r conaise instruction along true accurate planal telephone support will help youl CHECK THESE OPTIONS ! [xl Complete cockpit kits models lxi Bombs tanks hard points [xl Pilots [xl Scale Tires snd Hubsl [xl Retracts support equipmentl INNOVATIVE MODEL PRODUCTS PO Box 4365 Margate FL 33063 NMPRA/Hager Continued page 184 2 Dave Shadel Brian Richmond 4 Norm JDhnsDn 5 Peter Bergstrom 6 Lyle Larson 7 Dave Layman 8 Don McStay 9 Bill Hager 10 PaulBenezra 11 ClarkWade 12 Mike Helael i3 Darrol Cady 14 DubJeft 15 Lou Rodriguez 16 Bob Greer 17 Tom Strom 18 Richard Verano 19 Bruce Brown 20 Pete Reed Kazi Toni Shark Toni Mustang PoleCat Toni Toni Stinger 4011184 3910857 3911189 3611372 3611203 3511004 3411396 3111378 3111328 3111526 3011149 2911152 2911301 2911362 2911451 2711280 2611324 2611900 2512073 THE AMA IS YOU AND ME Disc Sander/Kopski Continued page 44 disk Center table top will have select some thin wood cardboard pieces shimsa little custom work finished sander has exactly above table top motor V block assembly held base plate two clamps made yellow inner parts Sullivan Golden Rods RC model push rods available two diameters either will Just cut two pieces plastic rod length wrapped over motor/motor mount ends fall about e base plate surface plastic C clamp rods will later drawn tight four 1in 2-56 machine screws inserted bottom base plate screws simply thread Golden Rod cut own threads process although like run 2-56 tap plastic first ease task Incidentally motor V block assembly shims have glued bottom also has 120 150 grit sandpaper glued clamps drawn snug sandpaper pressed base plate prevents motor/mount slipping 2-in larger recommended diameter sanding disk cut flat 14-in plywood mounted motor shaft Electric model plane propeller adapter adapters made sev eral folks Astro Hobby Lobby Gold berg Great Planes others well suited application used Great Planes Because sanding disk thinner props may necessary trim off prop adapter shank bit shortened the Great Planes adapter about Dremel/cutoff wheel sand ing disk drilled center please fit shank diameter snugly Continued page 190 May 1991 189 INNOVATIVE HAS PLANS FOR ALL YOUR FAVORITE WAR BIRDS HAWKER TEMPEST. 82 SPAN 1/5th SCALE HAWKER TYPHOON. 83136 SPAN 1/5th SCALE HAWKER SEA FURY. 8225 SPAN 1/5th SCALE TA152H .11375 SPAN 1/5 SCALE SBD DAUNTLESS. 85 SPAN 1/5th SCALE P-S1A/A36. 7625 SPAN 1/6th SCALE MIG 3. 811 SPAN 1/5th SCALE PLUS 37 MORE PLANS SEND FOR YOUR CATALOG TODAY plans can cut kits Call quotes TOLL FREE 1-800-780-Fl 90 Ii ANY WAY YOU USE THEM ADDS UP TO SETTER PERFORMANCE NYROD THE ORIGINAL JQub PUSH ROD COMPLETE WITH ALL REQUIRED METAL _____________________________ FITTINGS IDEALLY SUITED FOR ANY PUSH AQO P~TtON RUDDERS ELEVATORS AILERONS THROTTLEKAROWARE INCLUDED CONTROL BOATS SEA PLANES. YOUR14 NYROOatAer IMAGINATION18 Rod 256 Threaded arid 3C LONG ASSEMBLED LENGTH NYROO SU-PAU PRODUCTS INC 18800 Slab Route 47 E Disc Sander/Kopski Continued page 189 countersunk front accept flathead mounting screw pictured cut needed A-in long screw longer 6-32 machine screw best length disk mount screw may vary depending prop adapter prop adapter held motor shaft set screw Most motors have flat shaft set screw should rest course will want make sure disk turns true no wobble Mine tracked perfectly could perceive kit SALE $9995 LIST $ 139~ SALE LIST 1 19 SALE $7995 LIST $1 14~ SALE $7995 LIST 114~ Ask 6o see liz aiz local dealer available order direct CARDEN 1731 NW Madrid Way Boca Raton FL 33432 Call Anytime 367-7744 Free Catalog MasterCard VISA Accepted disk does run true recheck make sure warped flat against prop adapter disk screw snug Recheck motor shaft itself runs true prop adapter well motor shaft set screw tight disk still wobbles determine high spot holding pencil work table close disk face rotating disk hand mark high point loosen disk screw try small off-center paper tape shim between disk prop adapter slightly tilt disk outward low point little patience will produce true-running disk point can attach disk sandpaper recommend using 120 150 grit prefer silicon carbide alumi num oxide paper long wear Garnet pa per ok too used double stick carpet tape attach paper could easily replaced Some rub-on glue stick some rubber cement sold paper adhe sive would work well too have tried self-adhesive sandpaper Whatever method attachment choose just sure paper can easily removed replacement Mechanical assembly sander can now proceed Temporarily mount mo tor mount plastic clamps snugged lightly motor mount can still moved Temporarily hold work table place four No 634-in flat head wood screws Now adjust position motor/mount disk face about 42-in parallel table cutout Confirm disk center level table top tighten clamp screws point will want confirm also disk face vertically perpendicular table sur face should off little try snugging either front rear clamp needed can also try paper shim between motor mount front rear needed Remove table top sander wiring next Two wiring diagrams shown simpler sufficient permits motor spin direction oaly direction can choosing Select direction simply reversing wire connections motor Whatever direction chose work always held work ta ble side spinning disk such direction rotation presses work against table single di rection wiring scheme must choose side right left face disk youd prefer work Motors neutral timed run equally well either direction Some model motors timed favor direction rotationcounter clock wise case Ive seen case work must held left side disk center sander uses neutral timed motor wired according second dia gram DPDT double pole double throw Center Off switch allows disk rotation reversed simply flipping switch either side center OFF position Thus can approach disk both sides Ive found very convenient Mount four self-stick rubber feet bottom base plate sketched stall four cells check motor/switch operation Attach some pieces /2-in thick soft plastic foam underside table top presses flashlight cells Install work table top Install guide start ers try aligning disk face using small drafting triangle establish 900 Ereball RIC Idle-Bar Glow Plugs Long Short Also .Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $169 190 Model Aviation ,yngwagnCLalal Foan Fly ng Sanface AIan Landing Ga Cloar Co..able Bald, Oil 8255Shaded 01 S365Delca Sheefed 01 S495 ULTIMATESPORT RC 255 Eat Ahlard/PO 8oa727Sada Spring Idaho 83276 ULTB7ATE lOnfla PIPE1208547-3742FanFa,h Inla SendSOSE angle Turn sander feed some balsa strip slowly against disk Dont force feed exactly highpower machine does have adequate power however let sandpa per its job youll well pleased results Now try guide set-up some very large angle Sand two equal cross section strips trial fit resulting ends shown photo Awesome huh very useful optional accessory motorized sander angle transfer de vice pictured simple tool consists two pieces A-in birch ply A-in wide 3 long other 3 short foot same material about 1/16 long glued underside longer strip end opposite pivot two wood arms assembled shown 4-40 machine screw fash ioned thumb nut structure de scribed sanding guide above shorter arm has 4-40 blind mounting nut recessed about /64 in bottom sur face side three teeth nut must flattened cut off About A6 nut boss protrudes past top surface forms pivot top ply piece nut can held place simple press fit drop CyA Incidentally cut recess Dremel burr small friction disk sandpaper dropped over protruding boss glued ply arm serves hold chosen angular setting securely friction thumbscrew tightened Make sure screw length such does protrude below surface lower arm photos show applica tion angle transfer accessory have say resulting high precision gular fits downright incrediblebest joints Ive ever visited About info cant give what sanders useful battery life will idle no sanding motors Ive tried draw between two amps course drain increases sanding load because relatively high cur rent use alkaline cells best perform ance life So far Ive sanded sticks SIG Seniorita kit modified Electric course done lot playing demonstrating cells still going strong Just let sandpa per work Dont force work slow down disk noticeably Turn switch off between sticks should experience similar battery life sander definitely few best tools Ive used 40-plus years model building experience Im sure youll find good investment hope enjoy building pleasure af fords have may very well never have built accurately before ________1 wirnv AMA SINCE 1936 U No686 Foiler RO Pattern-type sport plane 45-65 2-cycle 60-90 4-cycle power Spans 65-in No687 Windsock 75 Non-flying Profile P-51 used weather vane Spans 36-in No688 Stealth Glider $200 FF rubberband-launched foamlbalsa Canard OatapultlStealth Glider combo No 193StIletto CL Stont model McDonald winner 1976 1980 1982 FAI World ChampsS 375 No 262Craahmaater CL Crash-pmof trainer two sizesi V30 35140 powerS 125 No 3101930 Fleet Biplane AC Sport Scale 35140 4-channel Wingspan 06 scale Two sheetsS 625 No 314Drake II AC Ken Wigardo flying boat tor 3-channel 15-power Fly 1mm land mmonable gearS 375 No 326Taylor Cub AC Dee SmIls Schoolyard-Scale tsr GOOn 2-3 channel Spans 50 inS 350 No 332Zephyr Ac Sinai 2-channel glider tsr hand-launch tow thermal slope snailogS 200 No 386Laaer 200 AC Span Scale replica ol championship Aembolic flier Uses 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa Amanlca AC Old-Timer Teouco model tor 049 glow 2-channelsS 650 No 4804-40 AC Shoelder-aing sport flier tsr 4-cycle 40-size engine 4 channelsS 650 No 465Blue Max II AC Fon-fly sportoter 40-size onglees spans 52 Lightweigld strectom5 710 No 539thlmitar SlowMotIon 15 AC Tailless flying wing 15 engines spans 60 ones 3-ch AC9 350 No 578Schwelzer 1-26B AC Osorter-scale Sailplane spans 125 Two plan sheetsS 1475 No 581Gee Bee Model Y AC golden Age Aacer spans 72 scale 60 power Thow plan shootsS 1175 oNo 568Mariah AC Sloie-Sosrleg Sailplane spans 41 in. uses 2 AC channelsS 425 o No 593 Taylorcrafli AC Sport Scale lightplane builds slandard 2-placer clipped-wing air show stonier Spans either 70 50A 30140 two-slrake 40/48 foer-otrolm engine Two plan shoots no docomontationS 1000 01c\JNo 598coronet 150 AC-Assist Old-Timer enlarged 150% spans 72 in. ones 40-sea 4-stroke/30-soo 2-stroke$ 850 2No 603Sparrow Hawk P30 FF Competition robber-power plane won 87 hats Spans 30 in$ 225 No 607Cuniee Seagull AC Giant Scale biplane spans 90 soon OuadralZenooh power Three plan sheets no dec92400 V01 No 609 Taperwing AC Pylon Ascer opoos 29i/e Ptan plus non ports template shootS 600 C 0No 610 Protobypa AC Sport biplane spans 48 uses 45/2-cyclo 8014-cycle powerS 550 19 Keith Rider R4 FF Scale Golden Am racer oobber power spans 18 inS 3 00 01No 620 Gimlet 40 AC SportiPattem piano spans 60 40150 enilne 2 shootsS 11 00 o No 623 Hendemon Longeter AC Osarter-scate 1933 finder spans 90 4-stroke 40148 engine 3 plan ohm no doc S 1650 01No 624 Keleher Lark AC Onarter-scale homebuifi tyans 69 60198 4-streke power 2 plan shoots rio doc5 1100 fl QNo 626 Sweepee AC SpartiPattom canards toceard-swept wing spans 64 eses 40 power 2 plan shoots5 1300 628 Prime cut AC Spart/Aembatic plane spans 00 ones Ooadra 35/40-sm power Two plan shootsS 1300 iO onNo 630Original Fly Baby AC Old-Timer spans 72 uses 19/25 2-cycle 48 4-cycle power 2 plan shoots5 1150 E No 641LII Ole Reliable AC Old-Timer sport filer spans 50 enginesS 575 No 644Bellanca Columbia AC Schoolyard Scnle 2 AC channels eniioe Wingspan 46 in5 575 -No 646Winder Hawk FF flobber-power Coope ditloer competition plane spans 47 inS 375 CD No 65047/88 RC SpecIal AC Aeroba5c sport plane 40 power spans 61 3 plan shootsS 1075 6 ENo 652Der Fledermaus AC Low-wing sport plane 20135 power spans 55 in5 675 z onNo 654ramecat AC Trainer/sportster styled like F14 spoon 66 40161 power Four plan sheetsS 1525 /2No 655Astroatar FF AMA Class N6 Gas plane spano 67 uses 325135Scc power5 800 0No 657Super Squim AC Trainer 35/40 2-stroke 53 4-stroke power spans 50 in5 7 50 No 659Boom Box FF Wakefield Aubler compotition plane spoon 54 inS 400 2 No 660Volkaplane AC Electric-powered sportster br 05 motor spoon 50 2 plan ohtsS 925 No 661BmbryOmatlc FF Erebipo Endurance rebler-power plane spans 20 in5 200 oNo 662Boxklte CL Scale anhltne canard pusher biplane spans 42 2 plan ohooto81100 01No 663Pea Patch AC Spoitnier spans 60 uses 401504-stroke power 2 plan sheets$ 900 No 664 Stuka Stunt CL Stoeter nemiscale spans 37 in$ 500 No 665Conacientlous Objector FF Molaihill Auhher competition plane spans 50 Oat$ 575 No 66661101 AC Sportster spans 48 ones hot 20132 power 2 plan shootsS 1075 on01No 667AT-6 CL Somiscale preble Stenter 35/40 power spans 47 inS 575 No 669Rota Raven AC Sailpiase onique twist-wing control Spans 76-in Anquiros elenon miningS 650 citNo 670Limitation CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 671Ceaena Cardinal FF Aeminder Scale sport filer power spans 39-inS 575 01No 672KrackerJac AC updated enraiso pioneer sport plane spans 74-in two pine shoots5 1375 -~No 673Cauollmordax Fans Combat ship designed 20-32 power Foom wiog spoon 48-in$ 500 v-No 674Krumpler AC 075-poweind Electric semi-scale hi-winier spans 30-inS 5J5 01No 675SOP-I FF twin-tailed sport filer fer Coo 02 Pee Woo engine spans 20-in$ 225 C -01No 678HilIner AC twin-electitc high-wing Sport ship designed Ihe Hiline lmp-35 motor Has tricycle gear spans 48 in$ 400 No 677Thunderbird CL Stonier 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54 in$ 975 01No 676Bean Box FF West Coast fiostonian Outdoor design Spans 16 in$ 1 50 01No 679Big Bingot Large AC Sporister spans 85 120-24 power Two plan sheets$ 1700 No 680Belleeve Winner Ausslan FAt CL Combat ship spans 47 in$ 475 01No 6611969 Bade BD-4 FF Aubbar Scale model spans 18 in$ 325 No 662 B T Vintage Trainer AC Aeminder-Scale Sportster 20-size engines Spoon 47% two plan sheeto$ 1150 o No 683 MIchaels Muatang CL Sport Scale P-Si f/nA engines Spans 21 in5 325 01 No 664 Staggerwlng Beech 3-Channel AC Schoolyard-Scale hi-wing Sportster 049 power Spans 32-in$ 5375 01No 685 Akro-Bat CL Stonter higb-porfnrmnnce 049 eniines Spoon 32-inS $230 ut Circle numbers plans wish order best handling please include re- 00quests payment some other service plans order c193262310314326332386447 460465539578581588593598I oton I0 Os- 603607609610619620623624 28630641644646650652 ooE zzo654655657659660661662663 o ~664665666667669670671672 74675676677678679680I 02 ~681682683684685686687688 Plan prCe inCludeS first Class postage US delivery Air Mail over 300 miles I orders non-US address lease add $250 Air Mail asIa e handlin Ian Make check money order payable US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Reston VA 22090 Please allow 3 6 weeks delivery 01 Please print carefully Enclosed $ csI________________________________ a-on NAME _____________________________________________ AMA No ________________ STREET 011 CITY -ISTATE ______________________________________ _____________________________ L ZIPI May1991 191
Edition: Model Aviation - 1991/05
Page Numbers: 41, 42, 43, 44, 189, 190, 191
miniature disc Heres tool no re spectable modelbuilding shop should chances youve got nec essary building ma terials already hand shopE Bob Kopski THE MINIATURE disc sander sim pie easily-built battery-powered motor ized tool should find welcome place modelers workshop will useful building virtually kind model plane can think ex cept perhaps delicate door models handy tool indeed models such Old Timers made sticks primarily intended use balsa sander will also nice job smaller cross-sections spruce capable providing out standingly accurate tight joints anglesespecially important using CyA adhesives As can seen photos sketches miniature sander has rela tively few parts Further no really critical dimensions assembly shown some liberty can taken suit own needs interests choice motor relatively unimportant readily available RC car model plane motors will work very well other parts materials available hobby shop hardware store Ra dio Shack actually enough stuff just lying around shop build originalexcept battery holder Begin cutting needed wood pieces May 1991 41 Use external tool set work guide angle small drafting triangle used tween stopped disk guide set accurate 90 angle Hold triangle against disk slide guide against tighten thumbscrew Motor related items inc sanaing aisK plate can made nce n round rough cutting shape mounting motor spinning against another rotating sanding disk electric drill Before after cutting Radio Shack p/n 270 389 four D-cell holder wires come attached unsoidered New connections will made points Note 4-40 screw assembly added hold tapered coil spring other box half remaining coil spring wire rotated up bent back other connections will made 2-7A62——] 2-1/8 BLI NUTS zVi74u WORK TABLE 2- Ii2 II 7' / SLOT t 3/4 -I 3/4 7/8 -AI/8I/4 SPRUCE 1/4 PLY PLATES WORK GUIDE shown base plate orig inal made h-in ply almost flat wood plate % k would satisfactory side rails made standard 1-in x 2-in pine molding stockwhich reality actually measures about never could under stand lumber always smaller its name work table surface cut flat A-in sheet modeling ply adjustable sanding guide 2in-diameter sanding disk plate front panel ON/OFF switch handily mounted can made thin wood material used A-in Lite Ply Other wood parts used housing assembly include four short pieces Basic sander assembly underway A-in sq wood strips nest battery holder halves ends dont spread open under spring pressure cells installed Holders screwed basepiate A-in square balsa spruce box battery holders Also motor mount needs some assorted small wood pieces detailed sketches other wooden piece needed work guide As shown original work guide made piece 2 sq A-in ply notch cut illus trated easy just make up such plate using two nar rower A-in plates separated %2 held together A-in x A-in spruce end pieces glued place guide plate has two strips 120 150 grit sandpaper glued onto under thumbscrew pressure plate wont slip its position work table Note three locations 6-32 blind mounting nuts table surface options combined adjust ability afforded off-center plate slot allow total flexibility angular loca tion guide relative disk sur face always use guide left side table can install blind nuts either both sides word about guide plate thumb screw made 1-in 6-32 machine screw Three 6-32 nuts separated spring lock washers jammed against 42 Model Aviation 4-I/P Detail work guide iiomemaae tnumo screw easy cheap effective Choose screw length wont hit batteries under neath Note sandpaper friction strips giued bottom side guide three blind nut locations Details motor battery switch mounting STRAP -ri-i IiiIII IIIill 1 II I/4x 1-1/2 SANDPAPER 7 vveraii view witn tfle worn table plate re moved Soft plastic foam pieces serve snug flashlight batteries table top place Remove top replace cells other fashion such nut hexes pointed relative other Give drop thin CyA adhe sive makes very cheap thumbscrew hold slotted work guide plate chosen position Sander assembly begins gluing screwing side rails base plate Next what feared would tough task turned out piece o cake Ra dio Shack battery holder best choice could find readily available has cut half shown As purchased holder designed house four D-type flashlight batteries series What really needed however two sets two cells seriesin parallel effect two flash light cells will connected series half battery holder two sets two cells wired parallel done provide three volts substantial capacity run motor Radio Shack battery holder easily modified accomplish above result As purchased holder has center web can removed scoring web pieces side base X Acto knife wiggling plastic piece few times until breaks loose does cleanly Next necessary cut spring wire end battery box crosses side other wire piece extends off tapered wound spring forms negative - contact riveted eyelet form positive act other side used Dremel tool cutoff wheel should do-able pair old wire cuttersthat dont mind nickingor perhaps file cut wire tail coming off nowloose coil spring held plastic box 6-1/2 / 4 SQ t BALSA OR~I-3/4—- 1-1/4 SPRUCE jrA BASE MATERIAL 3/8 TO 3/4 THICK PLYWOOD 7fl1 3/4x 1-5/8 SIDES LE r- SWITCH N 1/8 PLY 4 -J 51/4 L TOP VIEW OF BASE ASSEMBLY 1/4 PLY TABLEX SANDER NO6x3/4FH D SCRE -. jill I/S PLY1 SWITCH..Z~ FRONT 3/4x 1-5/8 3 fCK-ON RUBBER FEET 1/211 BALSA TRIANGLE -3/ / / _ K- 1-1/2-MOTOR MOUNT IIII MOTOR 1-3/8 TO 1-1/2 DIAM TYPICAL 1/211 3/4 HDWD II Th/4 PLY - SHIMS SEE TEXT STRIPS GLUED TO BOTTOM May 1991 43 Parts make up angle transfer device Bottom arm shown held has 4-40 blind mounting nut Tee nut installed shal low recess bottom Sandpaper circle glued over protruding nut boss Homemade thumbscrew installed top side footed arm -in 4-40 machine screw washer solder lug nut re-affixes coil spring also provides electrical con nection point used later Another electrical connection will soldered short piece wire remaining under positive contact rivet next task cut battery holder half easily done cutting right down middle box bottom X-Acto knife using straightedge cut ting guide Make repeated light scoring cuts until through plastic battery holder made rather workable mate rial should have no problem cut point should have two 2-cell holders Following photos sketches set half-holders place against wood side pieces locate two mounting SPRING WIRE CUTOFF\ SOLDER holes base plate wood side pieces now form part battery box side Mount holder using two No 6 x %-in wood sheet metal screws Next CyA four A-in sq x 1 A-in wood strips side rails end battery boxes ends spread open flashlight cells inserted point can glue front switch panel place against front wood strips Ive tried number 540-size model car motors 05 model plane mo tors ordinarily used six seven cell NiCd batteries tried ran very well three-volt battery packs described above Running nip tors higher voltages proved no advant age fact shortened battery life creased operating noise induced SPRING WIRE CUTOFF\ SOLDER ER 4-40 SCREW SOLDER LUG SOLDER SPST SWITCH R S NO 275634 WIRING DIAGRAM SINGLE DIRECTION OPERATION some vibration guess no such model motor described above wont good job suggest find cheapest can possible find neutral timed adjustable neutral runs equally well either direction necessity nice have Ill de scribe its virtues shortly motors described above nearly same outside diameter motor mount shown will work well mount di mension cant pre-determined eas ily height final motor mount height must trimmed shims glued bottom mount motor work table place motor shaft center hence sanding Continued page 189 y SOLDER - -44O SCREW -1--ti WASH ER ff1 SOLDER LUG NUT ~1 D CELLS DER SOLOERN DPDT SWITCH R S NO 275664 WIRING DIAGRAM FOR DUAL DIRECTION OPERATION 44 Model Aviation Heres what piece in balsa looks like being sanded wide angle heres pair end end Awesome fit Heres authors angle transfer device use angle established adjusting arms right over plan snugging thumb screw device used transfer angle work guide plate setting case 3A-in square balsa stick will sanded fit just about perfectly Senlorita stab assembly 4- OTOR INNOVATIVE MODEL PRODUCTS HAS THE RIGHT STUFF BIG 37oz Tu DONT GET YOUR BUTT KICKED! PFMTM REGARDLESS OF WHAT THE SO CALLED COPY-CAT PRODUCTS SAY THE FACTS ARE AS FOLLOWSYOU GET APPROK 253 IIORE PRODUCT WITH PFM PFM IS NOT WATERED DOWNIF YOU ADDED SUPER ADHESIVE THE THINNER THAT THEY DO TO PFM YOU WOULD ALMOST HAVE TWICE THE PRODUcT ONLY PFM IS NON PLAMABLE AND IT PFMUSOSYIISPROS sThsmeaag WILL NOT GIVE OFF TOXIC FUMES WHEN USED AS DIRECTED ~ SO KICK THE COPY-CAT IN THE BUTT AND TAKE US UP ON OUR RINIIOVATIVE MODELS AND HOBBY LOBBY WANT YOU TO BE EeasReaoe5t SAFEI IIERES THE DEALI WE WANT YOU TO BE SAFEI IF YOU HAVE ECIIASED ZAP- A- DAP- A- GOO GOOP OR SHOE 000 BlAND -INNOVATIVE MODEL PEOOUCTB TIIII UNUSED PORTION VITII PItOOF OP TIlE SUPER STROllS SUPER FLIXABIE PRICE YOU RAVE PAID AiD CIIECIC POE 5995 MINUS TEE PRICE YOU PAID SUPER FAST AND YR WILL SEND YOU NSIV TUBE OP SUPER PPM NOT SMALL SAMPLE SEPSTlIt4TWHEREIThEllISOXE PULL SIZE TODD AND YOU CAN BET YOU VDNT 11USD THE GAIG SVASLEWITRtIITATRACE TO CONVINCE TOO TO EVITCHI itINNOVATIVE WANTS TO CONORADULATEflAMON AND tIdaL Cal lasaclivi ModelPOPPY TORRES FOR OUTSTAHOINO FINISh AT THE AJoObhfro WORLD SCALE CHAh4PIONSHIPSWERE OLAD PFI4 WAS ,Ik, ~OUR SUCCESSI mitsnjtlmlattlmrnaNtNttEtntSaEtIlIlllIitBtlttlSBSNIINm 1991 Catalogs $300 COMING THIS SPRING. VOUGHT F4U CORSAIR SPAN 56 IN ALSO REPUBLIC P-47 THUNDERBOLT 80 IN SPAN Innovative kits have full compliment scale accessories gun hoods bumps blisters molded gear doors fully detailed views Whether want scale max Sunday fly dont get let Out ifl coldi SCALE WAR BIRDS THAT COST AS LI1TLE AS THE ARFS YET WONT TAKE LIFE TIME TO BUILD LIKE OTHER SCALE KITS design kits suit levels skilli Innovative kits feature i-Glass fuselages ine cut foam cores est grade bales s blisters scale details could makel s used design kit assures accurate outlineal r conaise instruction along true accurate planal telephone support will help youl CHECK THESE OPTIONS ! [xl Complete cockpit kits models lxi Bombs tanks hard points [xl Pilots [xl Scale Tires snd Hubsl [xl Retracts support equipmentl INNOVATIVE MODEL PRODUCTS PO Box 4365 Margate FL 33063 NMPRA/Hager Continued page 184 2 Dave Shadel Brian Richmond 4 Norm JDhnsDn 5 Peter Bergstrom 6 Lyle Larson 7 Dave Layman 8 Don McStay 9 Bill Hager 10 PaulBenezra 11 ClarkWade 12 Mike Helael i3 Darrol Cady 14 DubJeft 15 Lou Rodriguez 16 Bob Greer 17 Tom Strom 18 Richard Verano 19 Bruce Brown 20 Pete Reed Kazi Toni Shark Toni Mustang PoleCat Toni Toni Stinger 4011184 3910857 3911189 3611372 3611203 3511004 3411396 3111378 3111328 3111526 3011149 2911152 2911301 2911362 2911451 2711280 2611324 2611900 2512073 THE AMA IS YOU AND ME Disc Sander/Kopski Continued page 44 disk Center table top will have select some thin wood cardboard pieces shimsa little custom work finished sander has exactly above table top motor V block assembly held base plate two clamps made yellow inner parts Sullivan Golden Rods RC model push rods available two diameters either will Just cut two pieces plastic rod length wrapped over motor/motor mount ends fall about e base plate surface plastic C clamp rods will later drawn tight four 1in 2-56 machine screws inserted bottom base plate screws simply thread Golden Rod cut own threads process although like run 2-56 tap plastic first ease task Incidentally motor V block assembly shims have glued bottom also has 120 150 grit sandpaper glued clamps drawn snug sandpaper pressed base plate prevents motor/mount slipping 2-in larger recommended diameter sanding disk cut flat 14-in plywood mounted motor shaft Electric model plane propeller adapter adapters made sev eral folks Astro Hobby Lobby Gold berg Great Planes others well suited application used Great Planes Because sanding disk thinner props may necessary trim off prop adapter shank bit shortened the Great Planes adapter about Dremel/cutoff wheel sand ing disk drilled center please fit shank diameter snugly Continued page 190 May 1991 189 INNOVATIVE HAS PLANS FOR ALL YOUR FAVORITE WAR BIRDS HAWKER TEMPEST. 82 SPAN 1/5th SCALE HAWKER TYPHOON. 83136 SPAN 1/5th SCALE HAWKER SEA FURY. 8225 SPAN 1/5th SCALE TA152H .11375 SPAN 1/5 SCALE SBD DAUNTLESS. 85 SPAN 1/5th SCALE P-S1A/A36. 7625 SPAN 1/6th SCALE MIG 3. 811 SPAN 1/5th SCALE PLUS 37 MORE PLANS SEND FOR YOUR CATALOG TODAY plans can cut kits Call quotes TOLL FREE 1-800-780-Fl 90 Ii ANY WAY YOU USE THEM ADDS UP TO SETTER PERFORMANCE NYROD THE ORIGINAL JQub PUSH ROD COMPLETE WITH ALL REQUIRED METAL _____________________________ FITTINGS IDEALLY SUITED FOR ANY PUSH AQO P~TtON RUDDERS ELEVATORS AILERONS THROTTLEKAROWARE INCLUDED CONTROL BOATS SEA PLANES. YOUR14 NYROOatAer IMAGINATION18 Rod 256 Threaded arid 3C LONG ASSEMBLED LENGTH NYROO SU-PAU PRODUCTS INC 18800 Slab Route 47 E Disc Sander/Kopski Continued page 189 countersunk front accept flathead mounting screw pictured cut needed A-in long screw longer 6-32 machine screw best length disk mount screw may vary depending prop adapter prop adapter held motor shaft set screw Most motors have flat shaft set screw should rest course will want make sure disk turns true no wobble Mine tracked perfectly could perceive kit SALE $9995 LIST $ 139~ SALE LIST 1 19 SALE $7995 LIST $1 14~ SALE $7995 LIST 114~ Ask 6o see liz aiz local dealer available order direct CARDEN 1731 NW Madrid Way Boca Raton FL 33432 Call Anytime 367-7744 Free Catalog MasterCard VISA Accepted disk does run true recheck make sure warped flat against prop adapter disk screw snug Recheck motor shaft itself runs true prop adapter well motor shaft set screw tight disk still wobbles determine high spot holding pencil work table close disk face rotating disk hand mark high point loosen disk screw try small off-center paper tape shim between disk prop adapter slightly tilt disk outward low point little patience will produce true-running disk point can attach disk sandpaper recommend using 120 150 grit prefer silicon carbide alumi num oxide paper long wear Garnet pa per ok too used double stick carpet tape attach paper could easily replaced Some rub-on glue stick some rubber cement sold paper adhe sive would work well too have tried self-adhesive sandpaper Whatever method attachment choose just sure paper can easily removed replacement Mechanical assembly sander can now proceed Temporarily mount mo tor mount plastic clamps snugged lightly motor mount can still moved Temporarily hold work table place four No 634-in flat head wood screws Now adjust position motor/mount disk face about 42-in parallel table cutout Confirm disk center level table top tighten clamp screws point will want confirm also disk face vertically perpendicular table sur face should off little try snugging either front rear clamp needed can also try paper shim between motor mount front rear needed Remove table top sander wiring next Two wiring diagrams shown simpler sufficient permits motor spin direction oaly direction can choosing Select direction simply reversing wire connections motor Whatever direction chose work always held work ta ble side spinning disk such direction rotation presses work against table single di rection wiring scheme must choose side right left face disk youd prefer work Motors neutral timed run equally well either direction Some model motors timed favor direction rotationcounter clock wise case Ive seen case work must held left side disk center sander uses neutral timed motor wired according second dia gram DPDT double pole double throw Center Off switch allows disk rotation reversed simply flipping switch either side center OFF position Thus can approach disk both sides Ive found very convenient Mount four self-stick rubber feet bottom base plate sketched stall four cells check motor/switch operation Attach some pieces /2-in thick soft plastic foam underside table top presses flashlight cells Install work table top Install guide start ers try aligning disk face using small drafting triangle establish 900 Ereball RIC Idle-Bar Glow Plugs Long Short Also .Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson Associates PO Box 151 Wayne NJ 07470 Only $169 190 Model Aviation ,yngwagnCLalal Foan Fly ng Sanface AIan Landing Ga Cloar Co..able Bald, Oil 8255Shaded 01 S365Delca Sheefed 01 S495 ULTIMATESPORT RC 255 Eat Ahlard/PO 8oa727Sada Spring Idaho 83276 ULTB7ATE lOnfla PIPE1208547-3742FanFa,h Inla SendSOSE angle Turn sander feed some balsa strip slowly against disk Dont force feed exactly highpower machine does have adequate power however let sandpa per its job youll well pleased results Now try guide set-up some very large angle Sand two equal cross section strips trial fit resulting ends shown photo Awesome huh very useful optional accessory motorized sander angle transfer de vice pictured simple tool consists two pieces A-in birch ply A-in wide 3 long other 3 short foot same material about 1/16 long glued underside longer strip end opposite pivot two wood arms assembled shown 4-40 machine screw fash ioned thumb nut structure de scribed sanding guide above shorter arm has 4-40 blind mounting nut recessed about /64 in bottom sur face side three teeth nut must flattened cut off About A6 nut boss protrudes past top surface forms pivot top ply piece nut can held place simple press fit drop CyA Incidentally cut recess Dremel burr small friction disk sandpaper dropped over protruding boss glued ply arm serves hold chosen angular setting securely friction thumbscrew tightened Make sure screw length such does protrude below surface lower arm photos show applica tion angle transfer accessory have say resulting high precision gular fits downright incrediblebest joints Ive ever visited About info cant give what sanders useful battery life will idle no sanding motors Ive tried draw between two amps course drain increases sanding load because relatively high cur rent use alkaline cells best perform ance life So far Ive sanded sticks SIG Seniorita kit modified Electric course done lot playing demonstrating cells still going strong Just let sandpa per work Dont force work slow down disk noticeably Turn switch off between sticks should experience similar battery life sander definitely few best tools Ive used 40-plus years model building experience Im sure youll find good investment hope enjoy building pleasure af fords have may very well never have built accurately before ________1 wirnv AMA SINCE 1936 U No686 Foiler RO Pattern-type sport plane 45-65 2-cycle 60-90 4-cycle power Spans 65-in No687 Windsock 75 Non-flying Profile P-51 used weather vane Spans 36-in No688 Stealth Glider $200 FF rubberband-launched foamlbalsa Canard OatapultlStealth Glider combo No 193StIletto CL Stont model McDonald winner 1976 1980 1982 FAI World ChampsS 375 No 262Craahmaater CL Crash-pmof trainer two sizesi V30 35140 powerS 125 No 3101930 Fleet Biplane AC Sport Scale 35140 4-channel Wingspan 06 scale Two sheetsS 625 No 314Drake II AC Ken Wigardo flying boat tor 3-channel 15-power Fly 1mm land mmonable gearS 375 No 326Taylor Cub AC Dee SmIls Schoolyard-Scale tsr GOOn 2-3 channel Spans 50 inS 350 No 332Zephyr Ac Sinai 2-channel glider tsr hand-launch tow thermal slope snailogS 200 No 386Laaer 200 AC Span Scale replica ol championship Aembolic flier Uses 40 power 4-5 channel Two sheetsS 1075 No 4471I2A Mlaa Amanlca AC Old-Timer Teouco model tor 049 glow 2-channelsS 650 No 4804-40 AC Shoelder-aing sport flier tsr 4-cycle 40-size engine 4 channelsS 650 No 465Blue Max II AC Fon-fly sportoter 40-size onglees spans 52 Lightweigld strectom5 710 No 539thlmitar SlowMotIon 15 AC Tailless flying wing 15 engines spans 60 ones 3-ch AC9 350 No 578Schwelzer 1-26B AC Osorter-scale Sailplane spans 125 Two plan sheetsS 1475 No 581Gee Bee Model Y AC golden Age Aacer spans 72 scale 60 power Thow plan shootsS 1175 oNo 568Mariah AC Sloie-Sosrleg Sailplane spans 41 in. uses 2 AC channelsS 425 o No 593 Taylorcrafli AC Sport Scale lightplane builds slandard 2-placer clipped-wing air show stonier Spans either 70 50A 30140 two-slrake 40/48 foer-otrolm engine Two plan shoots no docomontationS 1000 01c\JNo 598coronet 150 AC-Assist Old-Timer enlarged 150% spans 72 in. ones 40-sea 4-stroke/30-soo 2-stroke$ 850 2No 603Sparrow Hawk P30 FF Competition robber-power plane won 87 hats Spans 30 in$ 225 No 607Cuniee Seagull AC Giant Scale biplane spans 90 soon OuadralZenooh power Three plan sheets no dec92400 V01 No 609 Taperwing AC Pylon Ascer opoos 29i/e Ptan plus non ports template shootS 600 C 0No 610 Protobypa AC Sport biplane spans 48 uses 45/2-cyclo 8014-cycle powerS 550 19 Keith Rider R4 FF Scale Golden Am racer oobber power spans 18 inS 3 00 01No 620 Gimlet 40 AC SportiPattem piano spans 60 40150 enilne 2 shootsS 11 00 o No 623 Hendemon Longeter AC Osarter-scate 1933 finder spans 90 4-stroke 40148 engine 3 plan ohm no doc S 1650 01No 624 Keleher Lark AC Onarter-scale homebuifi tyans 69 60198 4-streke power 2 plan shoots rio doc5 1100 fl QNo 626 Sweepee AC SpartiPattom canards toceard-swept wing spans 64 eses 40 power 2 plan shoots5 1300 628 Prime cut AC Spart/Aembatic plane spans 00 ones Ooadra 35/40-sm power Two plan shootsS 1300 iO onNo 630Original Fly Baby AC Old-Timer spans 72 uses 19/25 2-cycle 48 4-cycle power 2 plan shoots5 1150 E No 641LII Ole Reliable AC Old-Timer sport filer spans 50 enginesS 575 No 644Bellanca Columbia AC Schoolyard Scnle 2 AC channels eniioe Wingspan 46 in5 575 -No 646Winder Hawk FF flobber-power Coope ditloer competition plane spans 47 inS 375 CD No 65047/88 RC SpecIal AC Aeroba5c sport plane 40 power spans 61 3 plan shootsS 1075 6 ENo 652Der Fledermaus AC Low-wing sport plane 20135 power spans 55 in5 675 z onNo 654ramecat AC Trainer/sportster styled like F14 spoon 66 40161 power Four plan sheetsS 1525 /2No 655Astroatar FF AMA Class N6 Gas plane spano 67 uses 325135Scc power5 800 0No 657Super Squim AC Trainer 35/40 2-stroke 53 4-stroke power spans 50 in5 7 50 No 659Boom Box FF Wakefield Aubler compotition plane spoon 54 inS 400 2 No 660Volkaplane AC Electric-powered sportster br 05 motor spoon 50 2 plan ohtsS 925 No 661BmbryOmatlc FF Erebipo Endurance rebler-power plane spans 20 in5 200 oNo 662Boxklte CL Scale anhltne canard pusher biplane spans 42 2 plan ohooto81100 01No 663Pea Patch AC Spoitnier spans 60 uses 401504-stroke power 2 plan sheets$ 900 No 664 Stuka Stunt CL Stoeter nemiscale spans 37 in$ 500 No 665Conacientlous Objector FF Molaihill Auhher competition plane spans 50 Oat$ 575 No 66661101 AC Sportster spans 48 ones hot 20132 power 2 plan shootsS 1075 on01No 667AT-6 CL Somiscale preble Stenter 35/40 power spans 47 inS 575 No 669Rota Raven AC Sailpiase onique twist-wing control Spans 76-in Anquiros elenon miningS 650 citNo 670Limitation CL Profile Intermediate Stunt trainer 29-40 power spans 51-in5 675 No 671Ceaena Cardinal FF Aeminder Scale sport filer power spans 39-inS 575 01No 672KrackerJac AC updated enraiso pioneer sport plane spans 74-in two pine shoots5 1375 -~No 673Cauollmordax Fans Combat ship designed 20-32 power Foom wiog spoon 48-in$ 500 v-No 674Krumpler AC 075-poweind Electric semi-scale hi-winier spans 30-inS 5J5 01No 675SOP-I FF twin-tailed sport filer fer Coo 02 Pee Woo engine spans 20-in$ 225 C -01No 678HilIner AC twin-electitc high-wing Sport ship designed Ihe Hiline lmp-35 motor Has tricycle gear spans 48 in$ 400 No 677Thunderbird CL Stonier 20-35 power Two plan sheets drawn original 1982 Veco kit Spans 54 in$ 975 01No 676Bean Box FF West Coast fiostonian Outdoor design Spans 16 in$ 1 50 01No 679Big Bingot Large AC Sporister spans 85 120-24 power Two plan sheets$ 1700 No 680Belleeve Winner Ausslan FAt CL Combat ship spans 47 in$ 475 01No 6611969 Bade BD-4 FF Aubbar Scale model spans 18 in$ 325 No 662 B T Vintage Trainer AC Aeminder-Scale Sportster 20-size engines Spoon 47% two plan sheeto$ 1150 o No 683 MIchaels Muatang CL Sport Scale P-Si f/nA engines Spans 21 in5 325 01 No 664 Staggerwlng Beech 3-Channel AC Schoolyard-Scale hi-wing Sportster 049 power Spans 32-in$ 5375 01No 685 Akro-Bat CL Stonter higb-porfnrmnnce 049 eniines Spoon 32-inS $230 ut Circle numbers plans wish order best handling please include re- 00quests payment some other service plans order c193262310314326332386447 460465539578581588593598I oton I0 Os- 603607609610619620623624 28630641644646650652 ooE zzo654655657659660661662663 o ~664665666667669670671672 74675676677678679680I 02 ~681682683684685686687688 Plan prCe inCludeS first Class postage US delivery Air Mail over 300 miles I orders non-US address lease add $250 Air Mail asIa e handlin Ian Make check money order payable US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Reston VA 22090 Please allow 3 6 weeks delivery 01 Please print carefully Enclosed $ csI________________________________ a-on NAME _____________________________________________ AMA No ________________ STREET 011 CITY -ISTATE ______________________________________ _____________________________ L ZIPI May1991 191