RADIO CONTROL Lo/A@fl Bill Hager 4 Holly Springs Dr Conroe TX 77302 JUST read very good construction article Pete Bergstrom National Miniature Pylon Racing Association NMPRA newsletter thought would pass way good example benefits get being member NMPRA Cowl Motor Mount Installation Pete Bergstrom Contrary some instruction sheets installation cowl motor mount first fit cowl airplane fit engine mount cowl few advantages system can get cowl placed perfect relationship fuselage opposite cheek cowl having guess engine will begin install engine mount will have full-size access hole under cheek cowl work instead leaves room error makes much difficult pull engine mount out 1 Completely wash fiberglass parts warm water mild soap solution remove traces parting compound may still remain very important before sand parts sand release agent fiberglass sand release agent fiberglass will virtually impossible get kind paint finish stick finished part paint job will ruined 2 It much easier completely sand fuselage now will later after have attached various items So go ahead sand fuselage finish off 320-grit paper careful sand away alignment marks manufacturer might have put mold make easier find tail incidence cowl centerline etc 3 Find cowl centerline engine side fuselage draw line through registration marks found Vis-a-Vis pen overhead projection marker marks will readily discernible work 4 Sand cowl down edge line will find cowls come already cut sanded point Dry-fit cowl side fuselage make sure have tremendous gaps between cowl fuselage centering line drew earlier Mark fore aft positions cowl time 5 Measure along centerline 1/2 inch forward mark will will place front rivet cowl alignment Now measure cowl rear point point underneath pipe cutout deepest transfer measurement fuselage measuring aft mark made earlier will place rear rivet cowl alignment 6 Drill holes fuselage corresponding marks just made large enough provide good clearance fit rivet sizes have Most time rivets in diameter measure yours sure Glue rivets place inside fuselage five-minute epoxy put small square 6-oz glass cloth over heads rivets inside fuselage keep place Let dry completely before going next segment 7 Make sure take some 80- 100-grit sandpaper inside edges cowl filler mixture will stick very well cowl 8 After rivets have completely dried wax front end fuselage cowl will placed good quality wax mold car wax works just fine use car wax use coat will gain anything because car waxes days have cleaning agent will remove previous coat wax Put wax down smooth can buff out after dries 9 After wax dries place two grommets should have gotten kit over top rivets make sure fit properly fit should snug move around being tight cannot get off relatively easily grommets rivets place cowl over top make sure grommetlrivet assemblies too tall allow cowl sit flush possible fuselage Trim tops grommets andlor rivets necessary get cowl fit flush fuselage 10 Now mix up batch Hobbypoxy 2 mix enough microballoons milled glass about one-half microballoons onehalf milled glass until have paste just little bit looser cake frosting want mixture runny will stay place nor dry stiff will stick cowl have about 45 minutes pot life Hobbypoxy 2 make sure get rightdo rush 11 Once have glue mixed start putting drop glue top both rivet grommet assemblies make sure will very secure everything dries Take rest glue spread around inside edges cowl cowl placed onto fuselage next step glue mixture will squeeze out cowl slightly provide perfect mating surface fuselage Make sure get enough glue rear cowl completely fill hole under pipe cutout fairing worry about weight time can remove glue later just want make sure cowl fits perfectly first time real bear have go back fill just selected areas 12 Now have glue spread out cowl time place back fuselage Lay fuselage its side engine side up Using alignment marks made earlier place cowl its final position use Robart Foam Stand workshop 68 Model Aviation Continued page 156 Pylon racers Vallentuna Sweden make ready heat what called Sting Pylon sure looks like fun future article OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIrr SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP 1/4 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $350 STOCK ORDERS SHIPPED WITHIN 24 HRS DC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far westem North Carolina Write call information BC Fight Iraining 704 3894968 personalities handled events public address system floridas Englands loss Dave Platt Californias Sam Wright described details airplane flight appreciative public knowledge aviation facts fantasies absolutely astounding pointing out little-known items concerning airplane taken blue crowd thoroughly entertained throughout contest Top Gun sponsored horde major industry players through donations cash merchandise both see event continues grow stature year Some sponsors 1992 Pacer Technology Model Airplane News Ace RIC Airtronics Incorporated Bob Violett Models Dave Platt Models Frank Tiano Enterprises Futaba Gene Barton Machine Hobby Dynamics House Balsa Lanier RC McDaniel RIC RIC Report Robart Manufacturing Sig Manufacturing Yellow Aircraft close month Ill simply pass thank-you Frank Tiano Top Guns designer enthusiastic promoter taking style model aviation out back forty full view appreciative public still another fine Scale contest *#A* *#A* good party So until next month friends build straight fly safely Ill talk again ylon Continued page 68 fuselage work makes real easy rotate fuselage position desim rubberbands across top will stay positions long want Once cowl position want look real close angles make sure get right tape cowl position masking tape allow whole assembly dry 24 hours 13 After cowl assembly has dried completely now have remove simply try pry off pull off probably will release fuselage What should simply start pressing fuselage area around cowl pop fuselage loose cowl cowl will always lot stiffer fuselage fuselage skin will move first Carefully continue doing way around cowl until has completely released itself fuselage Once done should able simply pull cowl straight up off fuselage along vertical access rivets Congratulations now have perfectly fitted cowl does look like much yethold 14 sanding block some 120grit paper smooth out excess glue outside cowl will have remove extra made outside surface cowl sandpaper just wrapped around fingers hand fit curves cowl am finished have fine line glue between original cowl line new line fits fuselage should great amount filler anywhere cowl did dry fit cowl properly 15 Dremel tool sanding drum remove material inside cowl working back cowl around pipe cutout remove material directly under cutout ie front pipe fairing leaving material will create air dam prevent air entering area under pipe fairing air will want lift cowl fuselage flight Im convinced source some buzzing hear certain airplanes back part cowl constantly being lifted dropped back onto fuselage Immediately behind air dam just created can remove much material would like Just remember leave enough sure grommet secure its mounting After have done sanding remount cowl fuselage admire handiworka perfectly fitted cowl now looks like 16 time remove cowl some acetone remove traces Matched Performance System TOP PERFORMANCE K&B ENGINES AirplaneMarine K&B FUELS K&B GLOW PLUGS 9 Blends4 Cheices Matched Finish System BEST APPFARANCE lallanas FILLER FOXY THINNER 156 Model Aviation UUK KkVUF INVISNIORY AVERAGES OVER 9000 PROPS I PROMPF SHIPMENT ON VISAIMC SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVANARI1 JNflwmIIAIi V RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE h TREAT YOURSELF TO IRON YOU CAN TRUST Black Baron Irons high-tech thermostat reduces temperature drift 5d.. ordinary irons vary up 40 degrees Exclusive roll bars fit fillets undercambers like butter Two stands included %~acbtone coat ng slides COVERITE 420 Babylon Rd Horsham PA 19044 USA wax markings fuselage front old marks no good us now will making new marksso lets get confused 17 Replace cowl front end Vis-a-Vis pen draw outline cowl front fuselage will help us guide engine access hole Remove cowl measure front fuselage back 43/g draw line parallel front nose ring guideline back side cutout Now draw line measuring between 1/8 1/4 inside outer cowl outline will line will cut removing material engine access hole cut hole out Dremel makes 1/8. rounded-tip carbide bit absolutely great cutting fiberglass parts Starting somewhere middle outline go ahead rough cut area out front fuselage still have tool place rough cut area spinner ring after have sanded parting line flush fuselage sand after cut spinner ring stand good chance changing designers thrust line because working much less material removed much easier Cut opening now engine has someplace go try place fuselage Remember remove area around front alignment rivet Now put trusty sanding drum back Dremel sand cutouts just made pleasing outline within confines guidelines drew earlier spinner ring same time spinner ring usually leave between 1/i 3/4 outside edges 18 Lets mount engine firewall now first thing need take old spinner backplate glue /32-in plywood ring back say ring because want thrust washer engine contact back spinner plate plywood ring usually mount some medium CyA cyanoacrylate glue have spinner use just purpose have remove After have racing & MODEL BUILDING 7ERVICE ThADIO CONTROL PRODUCTS carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN hAlO 0314 will ruin nose cone portion quite few spinners will have plenty backplates use using new spinner just spot glue ring backthe plywood will remove easily enough X-Acto knife 19 time place motor mount fuselage either through cutout made through wing saddle bolt engine through engine access cutout Make sure wipe mounting flats engine mount free balsa fiberglass pieces engine sits flush rails you will putting unwanted thrust offset engine mounting alignment Once engine securely bolted engine mount mount spinner backplate cutoff prop mistake prop carving floor washer nut whole assembly solid piece 20 Next want fit firewall place snug does distort fuselage sides way best way have found setting bench disk sander about five-degree angle going around outside edges firewall Important note Make sure use back firewall guide front 21 engine/spinner combination flush fuselage spinner plate place firewall position wing cutout fits flush back engine mount Take extra care point make sure truly flush firewall does distort fuselage way Use long-handled screwdriver through wing cutout gently tap firewall place flush engine mount Because have already fitted cowl can now use alignment guide head engine placing onto rivets making sure engine centered inside cowl may want wrap couple layers masking tape around engine get snug fit cowl know goes satisfied alignment drop some medium CyA about four different places around engine mount/firewall joint allow dry Dear Fellow Modeler experienced modeler no doubt remember first days hobby Chances some nice modeler reached out lent hand offering advice guidance little moral support Isnt time returned favor GIVE THE GIFT OF FLIGHT year bring someone new hobby special friend people want learn hobby need little encouragement someone like answer questions get started invest little time give back hobby some what has given you will rewarded times over fe effort mission US AirCore help people learn fly sypply rugged planes survive learning experience offer crash guarantee* AirCore 40 Family Trainer Regardless airplane preference hope share belief few hobbies offering friendship enjoyment education modeling has offer George Barker Lawrence Ragan ModeM cafl Ma ,g 4576 Claire Chennault Hangar 7 Dallas TX 75248 214-250-1914 call send details crash guarantee See local hobby dealer Aircore kits New vHS video catalog available $icO plue $300 shipping October1992 157 Alrcore 40 Family Trainer SHOP TASK Original Home Machine Shop Designed USA Shoptask SINCE 1951 PRECISION MODEL PRODUCTS soYA Made USA BARSTOCK ALUMINUM SPINNERS Pan NoSize 11-150-B .. 1-1/2 11-175-B .. 1-3/4 11-200-B 11-225-B .. 2-1/4 11-226-B .. 2-14 FAt . 11-250-B . 2-1/2 11-251-B .. 2-1/2FAI 11275-B .. 2-3/4 11-276-B .. 2-3/4 FAll . 11-300-B3 11-301-B3 FAI 11-325-B /4 11-350-B 3-1/2 11-375-B. 3-3/4 11-400-B4 RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 1595160 oz 1895150oz 1895190oz 2095170oz 2295220oz 2495200at 2595260oz 2895250oz 3695340at 4995470oz 5995520oz 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Availabte Ati Sizes Add $3 00 Per Spinner PROP NUT ADAPTORS Pan No Size TT-140-A . 114-28 11-147-A 28/7mm . 11-610-A 6 x 10mm 11-710-A 7 x 10mm 11-516-A 5/16-24 TI-SiB-A5/16-24/8mm TT-810-A8 x 10mm 11-825-A8x 125mm TI-375-A3/8-24 . TT-125-AlOx 125mm Retail Approx Price Weighi S495 061 ox 495061 ox 495 ox 495. . 082 ox 495076 ox 495 076 ox 495076 ox 495 075 ox 595 .117 ox 595. liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 22 Once CyA has dried remove spinner engine engine mount put both aside moment Now want remove firewalllengine mount assembly fuselage can install blind nuts hold mount place Generally will able remove assembly piece through either engine cutout wing cutout go ahead pop engine mount loose firewall still fuselage Because CyA does stick vecy well engine mount after have removed engine mount will find glue spots will show exactly engine mount firewall before removed will use guide placing engine mount firewall drill mounting holes 23 With engine mount firewall removed fuselage relocate mount firewall mark positions mounting bolts go through firewall drilling holes use I32 bit front assuming using 6-32 mounting bolt backside drill /4 3/t6-in drill bit provide relief blind mounting nuts CT-nuts will using Without relief will find difficult mount T-nuts will take chance splitting wood distorting threads nuts Once holes drilled press mounting nuts place back firewall use some medium CyA around edges secure place careful get CyA inside threads will have replace nuts Now sanding block remove glue flashing front firewall used mount alignment 24 Place firewall back inside fuselage wing cutout bolt engine mount front Once have two pieces together remount engine spinner assembly onto engine mount Before go further double-check alignment before spinner flush spinner ring plywood ring back XOGofiOE SOD ITo RITBOI UDAEA OURABHAFAt$I400 1 ONIOACORRI0O IoOEiOEI.0S20-EI$OFISUER.$IBOORAIr IS $909 CEERIER COORIOE. OoaORR ROU$TLESSt $1900 -NRR ISEHAIEE $4999 E 9C0NT0ST SU004IRIR RACER EO$OI-CRSSAACRO$1999BER4RIREOECB OR CU LACORIITFOOTJES DOUBLE WIT 0-4 JOSFER EREBAIO O-COTOIT WOOD ES ROSTETCE HOOSIER hOT-REST SOAAOW$IAOOUOT 9REOcER-OUORIC-ORRBFASTRLIFT$UAL$$$9.$RR 999. -I 9O"A OCOEO SflEEOSSd AILDTURRRB $9 99 REDO REAA BlUR RESEt IORROCIWEE.$43OOIOgO spinner should still place time double-check alignment engine head cowl 25 Once satisfied alignment tack glue firewall fuselage couple drops medium CyA let assembly diy Once assembly dry remove spinner engine mount airplane leaving firewall place Now mix up slurry Hobbypoxy 2 milled glass working front firewall work glue mixture best can around between firewall fuselage Remember to rough break spot-glue joints hold firewall place Finish off front firewall leaving small glue fillet around entire firewall edge let assembly cure overnight nose fuselage pointed up air Notebe careful leave extra glue engine mount will bolted still have nice smooth flat surface 26 Once fillets have dried front firewall same procedure Hobbypoxy 2 milled glass back firewall steps should take lot glue huge fillet either side firewall adds no strength tremendous amount weight stingy remember building airplane withstand 180-mph crash either 27 Once firewall secure fuselage glue dry time remount engine mount Mix up small batch five-minute epoxy spread onto firewall just prior bolting firewall place provides fuelproofing firewall will also provide hard smooth surface engine mount bolted dry Important Bolt engine mount place glue still wet afterward because will have idea what kind thrust line have 28 I like have front engine mounts secured fuselage well using Nelson mount mounting holes screws come mount need make hold-down cfJjD CANOPI ES TEGRITY SERVICE 3950-A Valley Blvd WALNUT cA91769 714 5941349 594-1471 CALL OR WRITE FOR FREE BROCHURE 158 Model Aviation V 0 POCs GEWERIX ~rE4-mL Iti S NW- II FIGHTER CRUEJUR SERIES FOB 1940 *0100 EEOC4 SI-I $GSEREI RICOH TIISIARECOOC RROAdOSSOACEARORO HERO BT-OUSO NEISREOOE -lEO $ARRjIW NBBT $IAS LONOURNE ~ESCECIUIBE FUN T RC CLIRS WATTlED $399 SIUW CUTOOT FUONIES 911 AUGOLRCICRO ROARER IA ATE ROE 0919-0-DUB BOOR 00090. $3130 FOOTUROB FOWl COWEOT. $ISS3 SLOE 05000 $13 33SOIFREROOR FOAl CO$EOI.$0933 DEIC TWISTOO 000 ABLE PEON DOUR TAR OAIE $OBSORARC 111 RICES RETAIl $U OAOORNWNO ICOCCIEB RIO CBROIIE9 $390 GE O $1500 SHOE $39 Wad lox ERECICOFAEflEERERO FOREICOE SACOBOGRO BOG FAD 000 DORA l$43A1 GIGI-TASTERUOOUOUUEFTOR BElIE OB UAUL FOB FE EBE CATALOG 9000 EBEEOIRA ARCED 900 COT 0 bA III 000 EERIEBId ACS3303TOWER IOU mount t/8-jfl plywood fits inside outline Nelson mount will fit well inside fuselage Make sure mounting plate just barely touches inside fuselage distort fuselage motor mount place Once have accomplished bolt t/s-in plywood plate engine mount glue plate fuselage Hobbypoxy 2 milled glass using Stenberg motor mount another brand has no hold-on holes already provided will have drill tap front motor mount provide Use 6-32 screws drill tap accordingly will also have make two mounting platesone sidebecause other motor mounts extend far enough forward clear bottom engine case Again make plates mount engine mount before glue place fit mount forcing mount fit plates possibly distorting whole assembly Rememberthe solid straight mounting installation power will get out engine 29 running Nelson OS engine will have enlarge cowls kits get fit around heads Hopefully manufacturers working hard solve problem because made fit ST case head need enlarge cowl have relatively painless way Ill tell about engine mounted fuselage try mount cowl Make cutouts either side cowl fit engine installation may take because want remove much material need whole lot Once cowl sits fuselage satisfactorily engine place make sure have least 1/16 clearance around cutouts just made air may pass between modification engine case head 30 Remove cowl wrap engine head case about four layers masking tape top masking tape secure some Saran Wrap use brand works best everything will talk about article glue will stick engine tape Now cut couple swatches 6-oz cloth big enough cover holes made enlargement What going use engine inside mold enlargement need 31 Once have fiberglass pieces cut out mix up some Hobbypoxy 2 no filler right now Soak fiberglass pieces epoxy resin wrap around exposed engine head After have fiberglass engine head go ahead remount cowl being careful displace fiberglass around head Once cowl seated fuselage carefully work cloth contact inside cowl let assembly set up about three hours time will have firmed up completely hard 32 Now mix up batch Hobbypoxy 2 microballoons fairly thick paste will used filler outside enlargements Go ahead put slurry mixture over top fiberglass cloth making sure have plenty material sand after dries too shy otherwise may take couple nights get enough material make look good Let dry overnight remove cowl airplane Remove tape Saran Wrap engine replace cowl fuselage should fit just fine now thing left being sand outside cowl has pleasing appearance slight bulge over original Congratulations should now have front end fits well aligned great looks perfect want inside scoop stories like along being member organization responsible have Pylon Racing today Heres can join NMPRA Send name address phone number AMA number interest F-i QM Q500 FAT Ron Shorr 5224 Teesdale North Hollywood CA 91607 Include $15 nonflying SHIPPING & HANDLING UPS Ground Continental US $495 UPS Air & Parcel Post $495 plus 10% Subtotal Continental US UPS Nest Day Air $1400 plus $100 per lb Shipment total COD add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal October1992 159 1-b b.s1 3 ROLLED PLANS i/e-niso - INSTR l/941tso PbS I5CL11O~in SPLIGtt7 It3U5T51/9 O.55A255510 1-6 lb 1116 iteodnos LoneSPOIl 1 7nIle 2 o Corn O ibilt op Chatt Itt 371330011 5000 500 633 622130im 253O 1.7555 5o1 ond ill membership $30 flying membership $33 outside US See next month y M81/z Continued page 72 Note used three-pin Deans connector rather charging jack furnished HiLine because other modelsand field connectoruse Deans plug isnt necessary keep charger connected after charging Simply insert plug has two pins shorted KMI IS THE LARGEST AND BEST EQUIPPED INDEPENDENT RC SERVICE AND REPAIR CENTER IN THE USA repair major brands new older models WE ARE FACTORY AUTHORIZED WARRANTY SERVICE FOR AIRTRONICS ACE AND HITEC stock genuine factory replacement parts EXCLUSIVE SERVICE AND SALES OF RCD-KMI 6 METER RECEIVERS 1991 Gold Sticker narrowband frequency upgrades-station #21 stock crystals 1 03 different frequen cies SEND SAE FOR COMPLETE PRICE REPAIR AND PRODUCT INFORMATION CALL FOR RUSH SERVICE together establish circuit continuity will start motor flight Test-flying Select calm day area covered proverbial tall grass Remove prop glide model wind gentle firm launch Make necessary adjustments glide path shimming leading edge stabilizer up down appropriate youre satisfied glide path reinstall prop still over tall grass try first powered flightbut partial 30% charge have correct amount right thrust model may circled either direction Like cabin models though seems prefer $ 9995 8 Ch 50 53 72 75 Mhz 2-wheel gear ycle 1 7995 includes amplifier Kraft Midwest Inc 115 E Main Northville MI 48167 313/348-0085 313/348-4175 left-hand circles Gradually increase charging time making trim adjustments necessary Warning rudder very sensitive find initial right thrust downthrust incorrect remove nose block dissolve model cement thinner reposition motor youre completely satisfied thrust line permanently install motor CyA glue nose block fuselage four small dabs cement corner model came out heavier desired 50 grams faint heart craft will fly just wellmaybe better motor will run just well harm three cells So relax have fun Fly Electric cale Continued page 75 overlapped before binding Drying could done overnight microwave both thicknesses sliced through razor blade overlapped balsa will match up nicely Getting skin off form done splitting part crosswise front spar wing addition split rear peg install bulkhead rear peg reinforcement finish off model Len partially planked cockpit fuselage fourpound balsa sheet covered model JCI silver tissue made three bladed props plastic flower pot Ducted-fan FF Scale seems to stay Ferrell Papics profile Heinkel HE 178 has flying couple years two Ferrels tiny modified motors never much altitude year hes put Astro 02 extra power really gets model up Interested getting started Electric Constant testing refinements have made Electric very attractive single- multiengined Scale models flight duration can controlled length charge Ni-Cd batteries Need power Usually adding another cell will trick As long allow engine turn up dont overload too-big prop problems will practically nil Three light FF systems can replace venerable Astro 02 has off market few years VL Products 7871 Alabama No 16 Canoga Park CA 91304 catalog $1 has excellent proven geared motor Peck-Polymers PO Box 710399 Santee CA 92072 has motor famed its low power requirements Send $3 Peck-Polymers catalog 160 Model Aviation 1991 KMI MINI ULTRA AM RECEIVER KMI RETRACTS A
Edition: Model Aviation - 1992/10
Page Numbers: 68, 156, 157, 158, 159, 160
RADIO CONTROL Lo/A@fl Bill Hager 4 Holly Springs Dr Conroe TX 77302 JUST read very good construction article Pete Bergstrom National Miniature Pylon Racing Association NMPRA newsletter thought would pass way good example benefits get being member NMPRA Cowl Motor Mount Installation Pete Bergstrom Contrary some instruction sheets installation cowl motor mount first fit cowl airplane fit engine mount cowl few advantages system can get cowl placed perfect relationship fuselage opposite cheek cowl having guess engine will begin install engine mount will have full-size access hole under cheek cowl work instead leaves room error makes much difficult pull engine mount out 1 Completely wash fiberglass parts warm water mild soap solution remove traces parting compound may still remain very important before sand parts sand release agent fiberglass sand release agent fiberglass will virtually impossible get kind paint finish stick finished part paint job will ruined 2 It much easier completely sand fuselage now will later after have attached various items So go ahead sand fuselage finish off 320-grit paper careful sand away alignment marks manufacturer might have put mold make easier find tail incidence cowl centerline etc 3 Find cowl centerline engine side fuselage draw line through registration marks found Vis-a-Vis pen overhead projection marker marks will readily discernible work 4 Sand cowl down edge line will find cowls come already cut sanded point Dry-fit cowl side fuselage make sure have tremendous gaps between cowl fuselage centering line drew earlier Mark fore aft positions cowl time 5 Measure along centerline 1/2 inch forward mark will will place front rivet cowl alignment Now measure cowl rear point point underneath pipe cutout deepest transfer measurement fuselage measuring aft mark made earlier will place rear rivet cowl alignment 6 Drill holes fuselage corresponding marks just made large enough provide good clearance fit rivet sizes have Most time rivets in diameter measure yours sure Glue rivets place inside fuselage five-minute epoxy put small square 6-oz glass cloth over heads rivets inside fuselage keep place Let dry completely before going next segment 7 Make sure take some 80- 100-grit sandpaper inside edges cowl filler mixture will stick very well cowl 8 After rivets have completely dried wax front end fuselage cowl will placed good quality wax mold car wax works just fine use car wax use coat will gain anything because car waxes days have cleaning agent will remove previous coat wax Put wax down smooth can buff out after dries 9 After wax dries place two grommets should have gotten kit over top rivets make sure fit properly fit should snug move around being tight cannot get off relatively easily grommets rivets place cowl over top make sure grommetlrivet assemblies too tall allow cowl sit flush possible fuselage Trim tops grommets andlor rivets necessary get cowl fit flush fuselage 10 Now mix up batch Hobbypoxy 2 mix enough microballoons milled glass about one-half microballoons onehalf milled glass until have paste just little bit looser cake frosting want mixture runny will stay place nor dry stiff will stick cowl have about 45 minutes pot life Hobbypoxy 2 make sure get rightdo rush 11 Once have glue mixed start putting drop glue top both rivet grommet assemblies make sure will very secure everything dries Take rest glue spread around inside edges cowl cowl placed onto fuselage next step glue mixture will squeeze out cowl slightly provide perfect mating surface fuselage Make sure get enough glue rear cowl completely fill hole under pipe cutout fairing worry about weight time can remove glue later just want make sure cowl fits perfectly first time real bear have go back fill just selected areas 12 Now have glue spread out cowl time place back fuselage Lay fuselage its side engine side up Using alignment marks made earlier place cowl its final position use Robart Foam Stand workshop 68 Model Aviation Continued page 156 Pylon racers Vallentuna Sweden make ready heat what called Sting Pylon sure looks like fun future article OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIrr SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP 1/4 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $350 STOCK ORDERS SHIPPED WITHIN 24 HRS DC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far westem North Carolina Write call information BC Fight Iraining 704 3894968 personalities handled events public address system floridas Englands loss Dave Platt Californias Sam Wright described details airplane flight appreciative public knowledge aviation facts fantasies absolutely astounding pointing out little-known items concerning airplane taken blue crowd thoroughly entertained throughout contest Top Gun sponsored horde major industry players through donations cash merchandise both see event continues grow stature year Some sponsors 1992 Pacer Technology Model Airplane News Ace RIC Airtronics Incorporated Bob Violett Models Dave Platt Models Frank Tiano Enterprises Futaba Gene Barton Machine Hobby Dynamics House Balsa Lanier RC McDaniel RIC RIC Report Robart Manufacturing Sig Manufacturing Yellow Aircraft close month Ill simply pass thank-you Frank Tiano Top Guns designer enthusiastic promoter taking style model aviation out back forty full view appreciative public still another fine Scale contest *#A* *#A* good party So until next month friends build straight fly safely Ill talk again ylon Continued page 68 fuselage work makes real easy rotate fuselage position desim rubberbands across top will stay positions long want Once cowl position want look real close angles make sure get right tape cowl position masking tape allow whole assembly dry 24 hours 13 After cowl assembly has dried completely now have remove simply try pry off pull off probably will release fuselage What should simply start pressing fuselage area around cowl pop fuselage loose cowl cowl will always lot stiffer fuselage fuselage skin will move first Carefully continue doing way around cowl until has completely released itself fuselage Once done should able simply pull cowl straight up off fuselage along vertical access rivets Congratulations now have perfectly fitted cowl does look like much yethold 14 sanding block some 120grit paper smooth out excess glue outside cowl will have remove extra made outside surface cowl sandpaper just wrapped around fingers hand fit curves cowl am finished have fine line glue between original cowl line new line fits fuselage should great amount filler anywhere cowl did dry fit cowl properly 15 Dremel tool sanding drum remove material inside cowl working back cowl around pipe cutout remove material directly under cutout ie front pipe fairing leaving material will create air dam prevent air entering area under pipe fairing air will want lift cowl fuselage flight Im convinced source some buzzing hear certain airplanes back part cowl constantly being lifted dropped back onto fuselage Immediately behind air dam just created can remove much material would like Just remember leave enough sure grommet secure its mounting After have done sanding remount cowl fuselage admire handiworka perfectly fitted cowl now looks like 16 time remove cowl some acetone remove traces Matched Performance System TOP PERFORMANCE K&B ENGINES AirplaneMarine K&B FUELS K&B GLOW PLUGS 9 Blends4 Cheices Matched Finish System BEST APPFARANCE lallanas FILLER FOXY THINNER 156 Model Aviation UUK KkVUF INVISNIORY AVERAGES OVER 9000 PROPS I PROMPF SHIPMENT ON VISAIMC SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVANARI1 JNflwmIIAIi V RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE h TREAT YOURSELF TO IRON YOU CAN TRUST Black Baron Irons high-tech thermostat reduces temperature drift 5d.. ordinary irons vary up 40 degrees Exclusive roll bars fit fillets undercambers like butter Two stands included %~acbtone coat ng slides COVERITE 420 Babylon Rd Horsham PA 19044 USA wax markings fuselage front old marks no good us now will making new marksso lets get confused 17 Replace cowl front end Vis-a-Vis pen draw outline cowl front fuselage will help us guide engine access hole Remove cowl measure front fuselage back 43/g draw line parallel front nose ring guideline back side cutout Now draw line measuring between 1/8 1/4 inside outer cowl outline will line will cut removing material engine access hole cut hole out Dremel makes 1/8. rounded-tip carbide bit absolutely great cutting fiberglass parts Starting somewhere middle outline go ahead rough cut area out front fuselage still have tool place rough cut area spinner ring after have sanded parting line flush fuselage sand after cut spinner ring stand good chance changing designers thrust line because working much less material removed much easier Cut opening now engine has someplace go try place fuselage Remember remove area around front alignment rivet Now put trusty sanding drum back Dremel sand cutouts just made pleasing outline within confines guidelines drew earlier spinner ring same time spinner ring usually leave between 1/i 3/4 outside edges 18 Lets mount engine firewall now first thing need take old spinner backplate glue /32-in plywood ring back say ring because want thrust washer engine contact back spinner plate plywood ring usually mount some medium CyA cyanoacrylate glue have spinner use just purpose have remove After have racing & MODEL BUILDING 7ERVICE ThADIO CONTROL PRODUCTS carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN hAlO 0314 will ruin nose cone portion quite few spinners will have plenty backplates use using new spinner just spot glue ring backthe plywood will remove easily enough X-Acto knife 19 time place motor mount fuselage either through cutout made through wing saddle bolt engine through engine access cutout Make sure wipe mounting flats engine mount free balsa fiberglass pieces engine sits flush rails you will putting unwanted thrust offset engine mounting alignment Once engine securely bolted engine mount mount spinner backplate cutoff prop mistake prop carving floor washer nut whole assembly solid piece 20 Next want fit firewall place snug does distort fuselage sides way best way have found setting bench disk sander about five-degree angle going around outside edges firewall Important note Make sure use back firewall guide front 21 engine/spinner combination flush fuselage spinner plate place firewall position wing cutout fits flush back engine mount Take extra care point make sure truly flush firewall does distort fuselage way Use long-handled screwdriver through wing cutout gently tap firewall place flush engine mount Because have already fitted cowl can now use alignment guide head engine placing onto rivets making sure engine centered inside cowl may want wrap couple layers masking tape around engine get snug fit cowl know goes satisfied alignment drop some medium CyA about four different places around engine mount/firewall joint allow dry Dear Fellow Modeler experienced modeler no doubt remember first days hobby Chances some nice modeler reached out lent hand offering advice guidance little moral support Isnt time returned favor GIVE THE GIFT OF FLIGHT year bring someone new hobby special friend people want learn hobby need little encouragement someone like answer questions get started invest little time give back hobby some what has given you will rewarded times over fe effort mission US AirCore help people learn fly sypply rugged planes survive learning experience offer crash guarantee* AirCore 40 Family Trainer Regardless airplane preference hope share belief few hobbies offering friendship enjoyment education modeling has offer George Barker Lawrence Ragan ModeM cafl Ma ,g 4576 Claire Chennault Hangar 7 Dallas TX 75248 214-250-1914 call send details crash guarantee See local hobby dealer Aircore kits New vHS video catalog available $icO plue $300 shipping October1992 157 Alrcore 40 Family Trainer SHOP TASK Original Home Machine Shop Designed USA Shoptask SINCE 1951 PRECISION MODEL PRODUCTS soYA Made USA BARSTOCK ALUMINUM SPINNERS Pan NoSize 11-150-B .. 1-1/2 11-175-B .. 1-3/4 11-200-B 11-225-B .. 2-1/4 11-226-B .. 2-14 FAt . 11-250-B . 2-1/2 11-251-B .. 2-1/2FAI 11275-B .. 2-3/4 11-276-B .. 2-3/4 FAll . 11-300-B3 11-301-B3 FAI 11-325-B /4 11-350-B 3-1/2 11-375-B. 3-3/4 11-400-B4 RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 1595160 oz 1895150oz 1895190oz 2095170oz 2295220oz 2495200at 2595260oz 2895250oz 3695340at 4995470oz 5995520oz 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Availabte Ati Sizes Add $3 00 Per Spinner PROP NUT ADAPTORS Pan No Size TT-140-A . 114-28 11-147-A 28/7mm . 11-610-A 6 x 10mm 11-710-A 7 x 10mm 11-516-A 5/16-24 TI-SiB-A5/16-24/8mm TT-810-A8 x 10mm 11-825-A8x 125mm TI-375-A3/8-24 . TT-125-AlOx 125mm Retail Approx Price Weighi S495 061 ox 495061 ox 495 ox 495. . 082 ox 495076 ox 495 076 ox 495076 ox 495 075 ox 595 .117 ox 595. liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 22 Once CyA has dried remove spinner engine engine mount put both aside moment Now want remove firewalllengine mount assembly fuselage can install blind nuts hold mount place Generally will able remove assembly piece through either engine cutout wing cutout go ahead pop engine mount loose firewall still fuselage Because CyA does stick vecy well engine mount after have removed engine mount will find glue spots will show exactly engine mount firewall before removed will use guide placing engine mount firewall drill mounting holes 23 With engine mount firewall removed fuselage relocate mount firewall mark positions mounting bolts go through firewall drilling holes use I32 bit front assuming using 6-32 mounting bolt backside drill /4 3/t6-in drill bit provide relief blind mounting nuts CT-nuts will using Without relief will find difficult mount T-nuts will take chance splitting wood distorting threads nuts Once holes drilled press mounting nuts place back firewall use some medium CyA around edges secure place careful get CyA inside threads will have replace nuts Now sanding block remove glue flashing front firewall used mount alignment 24 Place firewall back inside fuselage wing cutout bolt engine mount front Once have two pieces together remount engine spinner assembly onto engine mount Before go further double-check alignment before spinner flush spinner ring plywood ring back XOGofiOE SOD ITo RITBOI UDAEA OURABHAFAt$I400 1 ONIOACORRI0O IoOEiOEI.0S20-EI$OFISUER.$IBOORAIr IS $909 CEERIER COORIOE. OoaORR ROU$TLESSt $1900 -NRR ISEHAIEE $4999 E 9C0NT0ST SU004IRIR RACER EO$OI-CRSSAACRO$1999BER4RIREOECB OR CU LACORIITFOOTJES DOUBLE WIT 0-4 JOSFER EREBAIO O-COTOIT WOOD ES ROSTETCE HOOSIER hOT-REST SOAAOW$IAOOUOT 9REOcER-OUORIC-ORRBFASTRLIFT$UAL$$$9.$RR 999. -I 9O"A OCOEO SflEEOSSd AILDTURRRB $9 99 REDO REAA BlUR RESEt IORROCIWEE.$43OOIOgO spinner should still place time double-check alignment engine head cowl 25 Once satisfied alignment tack glue firewall fuselage couple drops medium CyA let assembly diy Once assembly dry remove spinner engine mount airplane leaving firewall place Now mix up slurry Hobbypoxy 2 milled glass working front firewall work glue mixture best can around between firewall fuselage Remember to rough break spot-glue joints hold firewall place Finish off front firewall leaving small glue fillet around entire firewall edge let assembly cure overnight nose fuselage pointed up air Notebe careful leave extra glue engine mount will bolted still have nice smooth flat surface 26 Once fillets have dried front firewall same procedure Hobbypoxy 2 milled glass back firewall steps should take lot glue huge fillet either side firewall adds no strength tremendous amount weight stingy remember building airplane withstand 180-mph crash either 27 Once firewall secure fuselage glue dry time remount engine mount Mix up small batch five-minute epoxy spread onto firewall just prior bolting firewall place provides fuelproofing firewall will also provide hard smooth surface engine mount bolted dry Important Bolt engine mount place glue still wet afterward because will have idea what kind thrust line have 28 I like have front engine mounts secured fuselage well using Nelson mount mounting holes screws come mount need make hold-down cfJjD CANOPI ES TEGRITY SERVICE 3950-A Valley Blvd WALNUT cA91769 714 5941349 594-1471 CALL OR WRITE FOR FREE BROCHURE 158 Model Aviation V 0 POCs GEWERIX ~rE4-mL Iti S NW- II FIGHTER CRUEJUR SERIES FOB 1940 *0100 EEOC4 SI-I $GSEREI RICOH TIISIARECOOC RROAdOSSOACEARORO HERO BT-OUSO NEISREOOE -lEO $ARRjIW NBBT $IAS LONOURNE ~ESCECIUIBE FUN T RC CLIRS WATTlED $399 SIUW CUTOOT FUONIES 911 AUGOLRCICRO ROARER IA ATE ROE 0919-0-DUB BOOR 00090. $3130 FOOTUROB FOWl COWEOT. $ISS3 SLOE 05000 $13 33SOIFREROOR FOAl CO$EOI.$0933 DEIC TWISTOO 000 ABLE PEON DOUR TAR OAIE $OBSORARC 111 RICES RETAIl $U OAOORNWNO ICOCCIEB RIO CBROIIE9 $390 GE O $1500 SHOE $39 Wad lox ERECICOFAEflEERERO FOREICOE SACOBOGRO BOG FAD 000 DORA l$43A1 GIGI-TASTERUOOUOUUEFTOR BElIE OB UAUL FOB FE EBE CATALOG 9000 EBEEOIRA ARCED 900 COT 0 bA III 000 EERIEBId ACS3303TOWER IOU mount t/8-jfl plywood fits inside outline Nelson mount will fit well inside fuselage Make sure mounting plate just barely touches inside fuselage distort fuselage motor mount place Once have accomplished bolt t/s-in plywood plate engine mount glue plate fuselage Hobbypoxy 2 milled glass using Stenberg motor mount another brand has no hold-on holes already provided will have drill tap front motor mount provide Use 6-32 screws drill tap accordingly will also have make two mounting platesone sidebecause other motor mounts extend far enough forward clear bottom engine case Again make plates mount engine mount before glue place fit mount forcing mount fit plates possibly distorting whole assembly Rememberthe solid straight mounting installation power will get out engine 29 running Nelson OS engine will have enlarge cowls kits get fit around heads Hopefully manufacturers working hard solve problem because made fit ST case head need enlarge cowl have relatively painless way Ill tell about engine mounted fuselage try mount cowl Make cutouts either side cowl fit engine installation may take because want remove much material need whole lot Once cowl sits fuselage satisfactorily engine place make sure have least 1/16 clearance around cutouts just made air may pass between modification engine case head 30 Remove cowl wrap engine head case about four layers masking tape top masking tape secure some Saran Wrap use brand works best everything will talk about article glue will stick engine tape Now cut couple swatches 6-oz cloth big enough cover holes made enlargement What going use engine inside mold enlargement need 31 Once have fiberglass pieces cut out mix up some Hobbypoxy 2 no filler right now Soak fiberglass pieces epoxy resin wrap around exposed engine head After have fiberglass engine head go ahead remount cowl being careful displace fiberglass around head Once cowl seated fuselage carefully work cloth contact inside cowl let assembly set up about three hours time will have firmed up completely hard 32 Now mix up batch Hobbypoxy 2 microballoons fairly thick paste will used filler outside enlargements Go ahead put slurry mixture over top fiberglass cloth making sure have plenty material sand after dries too shy otherwise may take couple nights get enough material make look good Let dry overnight remove cowl airplane Remove tape Saran Wrap engine replace cowl fuselage should fit just fine now thing left being sand outside cowl has pleasing appearance slight bulge over original Congratulations should now have front end fits well aligned great looks perfect want inside scoop stories like along being member organization responsible have Pylon Racing today Heres can join NMPRA Send name address phone number AMA number interest F-i QM Q500 FAT Ron Shorr 5224 Teesdale North Hollywood CA 91607 Include $15 nonflying SHIPPING & HANDLING UPS Ground Continental US $495 UPS Air & Parcel Post $495 plus 10% Subtotal Continental US UPS Nest Day Air $1400 plus $100 per lb Shipment total COD add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal October1992 159 1-b b.s1 3 ROLLED PLANS i/e-niso - INSTR l/941tso PbS I5CL11O~in SPLIGtt7 It3U5T51/9 O.55A255510 1-6 lb 1116 iteodnos LoneSPOIl 1 7nIle 2 o Corn O ibilt op Chatt Itt 371330011 5000 500 633 622130im 253O 1.7555 5o1 ond ill membership $30 flying membership $33 outside US See next month y M81/z Continued page 72 Note used three-pin Deans connector rather charging jack furnished HiLine because other modelsand field connectoruse Deans plug isnt necessary keep charger connected after charging Simply insert plug has two pins shorted KMI IS THE LARGEST AND BEST EQUIPPED INDEPENDENT RC SERVICE AND REPAIR CENTER IN THE USA repair major brands new older models WE ARE FACTORY AUTHORIZED WARRANTY SERVICE FOR AIRTRONICS ACE AND HITEC stock genuine factory replacement parts EXCLUSIVE SERVICE AND SALES OF RCD-KMI 6 METER RECEIVERS 1991 Gold Sticker narrowband frequency upgrades-station #21 stock crystals 1 03 different frequen cies SEND SAE FOR COMPLETE PRICE REPAIR AND PRODUCT INFORMATION CALL FOR RUSH SERVICE together establish circuit continuity will start motor flight Test-flying Select calm day area covered proverbial tall grass Remove prop glide model wind gentle firm launch Make necessary adjustments glide path shimming leading edge stabilizer up down appropriate youre satisfied glide path reinstall prop still over tall grass try first powered flightbut partial 30% charge have correct amount right thrust model may circled either direction Like cabin models though seems prefer $ 9995 8 Ch 50 53 72 75 Mhz 2-wheel gear ycle 1 7995 includes amplifier Kraft Midwest Inc 115 E Main Northville MI 48167 313/348-0085 313/348-4175 left-hand circles Gradually increase charging time making trim adjustments necessary Warning rudder very sensitive find initial right thrust downthrust incorrect remove nose block dissolve model cement thinner reposition motor youre completely satisfied thrust line permanently install motor CyA glue nose block fuselage four small dabs cement corner model came out heavier desired 50 grams faint heart craft will fly just wellmaybe better motor will run just well harm three cells So relax have fun Fly Electric cale Continued page 75 overlapped before binding Drying could done overnight microwave both thicknesses sliced through razor blade overlapped balsa will match up nicely Getting skin off form done splitting part crosswise front spar wing addition split rear peg install bulkhead rear peg reinforcement finish off model Len partially planked cockpit fuselage fourpound balsa sheet covered model JCI silver tissue made three bladed props plastic flower pot Ducted-fan FF Scale seems to stay Ferrell Papics profile Heinkel HE 178 has flying couple years two Ferrels tiny modified motors never much altitude year hes put Astro 02 extra power really gets model up Interested getting started Electric Constant testing refinements have made Electric very attractive single- multiengined Scale models flight duration can controlled length charge Ni-Cd batteries Need power Usually adding another cell will trick As long allow engine turn up dont overload too-big prop problems will practically nil Three light FF systems can replace venerable Astro 02 has off market few years VL Products 7871 Alabama No 16 Canoga Park CA 91304 catalog $1 has excellent proven geared motor Peck-Polymers PO Box 710399 Santee CA 92072 has motor famed its low power requirements Send $3 Peck-Polymers catalog 160 Model Aviation 1991 KMI MINI ULTRA AM RECEIVER KMI RETRACTS A
Edition: Model Aviation - 1992/10
Page Numbers: 68, 156, 157, 158, 159, 160
RADIO CONTROL Lo/A@fl Bill Hager 4 Holly Springs Dr Conroe TX 77302 JUST read very good construction article Pete Bergstrom National Miniature Pylon Racing Association NMPRA newsletter thought would pass way good example benefits get being member NMPRA Cowl Motor Mount Installation Pete Bergstrom Contrary some instruction sheets installation cowl motor mount first fit cowl airplane fit engine mount cowl few advantages system can get cowl placed perfect relationship fuselage opposite cheek cowl having guess engine will begin install engine mount will have full-size access hole under cheek cowl work instead leaves room error makes much difficult pull engine mount out 1 Completely wash fiberglass parts warm water mild soap solution remove traces parting compound may still remain very important before sand parts sand release agent fiberglass sand release agent fiberglass will virtually impossible get kind paint finish stick finished part paint job will ruined 2 It much easier completely sand fuselage now will later after have attached various items So go ahead sand fuselage finish off 320-grit paper careful sand away alignment marks manufacturer might have put mold make easier find tail incidence cowl centerline etc 3 Find cowl centerline engine side fuselage draw line through registration marks found Vis-a-Vis pen overhead projection marker marks will readily discernible work 4 Sand cowl down edge line will find cowls come already cut sanded point Dry-fit cowl side fuselage make sure have tremendous gaps between cowl fuselage centering line drew earlier Mark fore aft positions cowl time 5 Measure along centerline 1/2 inch forward mark will will place front rivet cowl alignment Now measure cowl rear point point underneath pipe cutout deepest transfer measurement fuselage measuring aft mark made earlier will place rear rivet cowl alignment 6 Drill holes fuselage corresponding marks just made large enough provide good clearance fit rivet sizes have Most time rivets in diameter measure yours sure Glue rivets place inside fuselage five-minute epoxy put small square 6-oz glass cloth over heads rivets inside fuselage keep place Let dry completely before going next segment 7 Make sure take some 80- 100-grit sandpaper inside edges cowl filler mixture will stick very well cowl 8 After rivets have completely dried wax front end fuselage cowl will placed good quality wax mold car wax works just fine use car wax use coat will gain anything because car waxes days have cleaning agent will remove previous coat wax Put wax down smooth can buff out after dries 9 After wax dries place two grommets should have gotten kit over top rivets make sure fit properly fit should snug move around being tight cannot get off relatively easily grommets rivets place cowl over top make sure grommetlrivet assemblies too tall allow cowl sit flush possible fuselage Trim tops grommets andlor rivets necessary get cowl fit flush fuselage 10 Now mix up batch Hobbypoxy 2 mix enough microballoons milled glass about one-half microballoons onehalf milled glass until have paste just little bit looser cake frosting want mixture runny will stay place nor dry stiff will stick cowl have about 45 minutes pot life Hobbypoxy 2 make sure get rightdo rush 11 Once have glue mixed start putting drop glue top both rivet grommet assemblies make sure will very secure everything dries Take rest glue spread around inside edges cowl cowl placed onto fuselage next step glue mixture will squeeze out cowl slightly provide perfect mating surface fuselage Make sure get enough glue rear cowl completely fill hole under pipe cutout fairing worry about weight time can remove glue later just want make sure cowl fits perfectly first time real bear have go back fill just selected areas 12 Now have glue spread out cowl time place back fuselage Lay fuselage its side engine side up Using alignment marks made earlier place cowl its final position use Robart Foam Stand workshop 68 Model Aviation Continued page 156 Pylon racers Vallentuna Sweden make ready heat what called Sting Pylon sure looks like fun future article OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIrr SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP 1/4 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $350 STOCK ORDERS SHIPPED WITHIN 24 HRS DC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far westem North Carolina Write call information BC Fight Iraining 704 3894968 personalities handled events public address system floridas Englands loss Dave Platt Californias Sam Wright described details airplane flight appreciative public knowledge aviation facts fantasies absolutely astounding pointing out little-known items concerning airplane taken blue crowd thoroughly entertained throughout contest Top Gun sponsored horde major industry players through donations cash merchandise both see event continues grow stature year Some sponsors 1992 Pacer Technology Model Airplane News Ace RIC Airtronics Incorporated Bob Violett Models Dave Platt Models Frank Tiano Enterprises Futaba Gene Barton Machine Hobby Dynamics House Balsa Lanier RC McDaniel RIC RIC Report Robart Manufacturing Sig Manufacturing Yellow Aircraft close month Ill simply pass thank-you Frank Tiano Top Guns designer enthusiastic promoter taking style model aviation out back forty full view appreciative public still another fine Scale contest *#A* *#A* good party So until next month friends build straight fly safely Ill talk again ylon Continued page 68 fuselage work makes real easy rotate fuselage position desim rubberbands across top will stay positions long want Once cowl position want look real close angles make sure get right tape cowl position masking tape allow whole assembly dry 24 hours 13 After cowl assembly has dried completely now have remove simply try pry off pull off probably will release fuselage What should simply start pressing fuselage area around cowl pop fuselage loose cowl cowl will always lot stiffer fuselage fuselage skin will move first Carefully continue doing way around cowl until has completely released itself fuselage Once done should able simply pull cowl straight up off fuselage along vertical access rivets Congratulations now have perfectly fitted cowl does look like much yethold 14 sanding block some 120grit paper smooth out excess glue outside cowl will have remove extra made outside surface cowl sandpaper just wrapped around fingers hand fit curves cowl am finished have fine line glue between original cowl line new line fits fuselage should great amount filler anywhere cowl did dry fit cowl properly 15 Dremel tool sanding drum remove material inside cowl working back cowl around pipe cutout remove material directly under cutout ie front pipe fairing leaving material will create air dam prevent air entering area under pipe fairing air will want lift cowl fuselage flight Im convinced source some buzzing hear certain airplanes back part cowl constantly being lifted dropped back onto fuselage Immediately behind air dam just created can remove much material would like Just remember leave enough sure grommet secure its mounting After have done sanding remount cowl fuselage admire handiworka perfectly fitted cowl now looks like 16 time remove cowl some acetone remove traces Matched Performance System TOP PERFORMANCE K&B ENGINES AirplaneMarine K&B FUELS K&B GLOW PLUGS 9 Blends4 Cheices Matched Finish System BEST APPFARANCE lallanas FILLER FOXY THINNER 156 Model Aviation UUK KkVUF INVISNIORY AVERAGES OVER 9000 PROPS I PROMPF SHIPMENT ON VISAIMC SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVANARI1 JNflwmIIAIi V RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE h TREAT YOURSELF TO IRON YOU CAN TRUST Black Baron Irons high-tech thermostat reduces temperature drift 5d.. ordinary irons vary up 40 degrees Exclusive roll bars fit fillets undercambers like butter Two stands included %~acbtone coat ng slides COVERITE 420 Babylon Rd Horsham PA 19044 USA wax markings fuselage front old marks no good us now will making new marksso lets get confused 17 Replace cowl front end Vis-a-Vis pen draw outline cowl front fuselage will help us guide engine access hole Remove cowl measure front fuselage back 43/g draw line parallel front nose ring guideline back side cutout Now draw line measuring between 1/8 1/4 inside outer cowl outline will line will cut removing material engine access hole cut hole out Dremel makes 1/8. rounded-tip carbide bit absolutely great cutting fiberglass parts Starting somewhere middle outline go ahead rough cut area out front fuselage still have tool place rough cut area spinner ring after have sanded parting line flush fuselage sand after cut spinner ring stand good chance changing designers thrust line because working much less material removed much easier Cut opening now engine has someplace go try place fuselage Remember remove area around front alignment rivet Now put trusty sanding drum back Dremel sand cutouts just made pleasing outline within confines guidelines drew earlier spinner ring same time spinner ring usually leave between 1/i 3/4 outside edges 18 Lets mount engine firewall now first thing need take old spinner backplate glue /32-in plywood ring back say ring because want thrust washer engine contact back spinner plate plywood ring usually mount some medium CyA cyanoacrylate glue have spinner use just purpose have remove After have racing & MODEL BUILDING 7ERVICE ThADIO CONTROL PRODUCTS carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN hAlO 0314 will ruin nose cone portion quite few spinners will have plenty backplates use using new spinner just spot glue ring backthe plywood will remove easily enough X-Acto knife 19 time place motor mount fuselage either through cutout made through wing saddle bolt engine through engine access cutout Make sure wipe mounting flats engine mount free balsa fiberglass pieces engine sits flush rails you will putting unwanted thrust offset engine mounting alignment Once engine securely bolted engine mount mount spinner backplate cutoff prop mistake prop carving floor washer nut whole assembly solid piece 20 Next want fit firewall place snug does distort fuselage sides way best way have found setting bench disk sander about five-degree angle going around outside edges firewall Important note Make sure use back firewall guide front 21 engine/spinner combination flush fuselage spinner plate place firewall position wing cutout fits flush back engine mount Take extra care point make sure truly flush firewall does distort fuselage way Use long-handled screwdriver through wing cutout gently tap firewall place flush engine mount Because have already fitted cowl can now use alignment guide head engine placing onto rivets making sure engine centered inside cowl may want wrap couple layers masking tape around engine get snug fit cowl know goes satisfied alignment drop some medium CyA about four different places around engine mount/firewall joint allow dry Dear Fellow Modeler experienced modeler no doubt remember first days hobby Chances some nice modeler reached out lent hand offering advice guidance little moral support Isnt time returned favor GIVE THE GIFT OF FLIGHT year bring someone new hobby special friend people want learn hobby need little encouragement someone like answer questions get started invest little time give back hobby some what has given you will rewarded times over fe effort mission US AirCore help people learn fly sypply rugged planes survive learning experience offer crash guarantee* AirCore 40 Family Trainer Regardless airplane preference hope share belief few hobbies offering friendship enjoyment education modeling has offer George Barker Lawrence Ragan ModeM cafl Ma ,g 4576 Claire Chennault Hangar 7 Dallas TX 75248 214-250-1914 call send details crash guarantee See local hobby dealer Aircore kits New vHS video catalog available $icO plue $300 shipping October1992 157 Alrcore 40 Family Trainer SHOP TASK Original Home Machine Shop Designed USA Shoptask SINCE 1951 PRECISION MODEL PRODUCTS soYA Made USA BARSTOCK ALUMINUM SPINNERS Pan NoSize 11-150-B .. 1-1/2 11-175-B .. 1-3/4 11-200-B 11-225-B .. 2-1/4 11-226-B .. 2-14 FAt . 11-250-B . 2-1/2 11-251-B .. 2-1/2FAI 11275-B .. 2-3/4 11-276-B .. 2-3/4 FAll . 11-300-B3 11-301-B3 FAI 11-325-B /4 11-350-B 3-1/2 11-375-B. 3-3/4 11-400-B4 RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 1595160 oz 1895150oz 1895190oz 2095170oz 2295220oz 2495200at 2595260oz 2895250oz 3695340at 4995470oz 5995520oz 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Availabte Ati Sizes Add $3 00 Per Spinner PROP NUT ADAPTORS Pan No Size TT-140-A . 114-28 11-147-A 28/7mm . 11-610-A 6 x 10mm 11-710-A 7 x 10mm 11-516-A 5/16-24 TI-SiB-A5/16-24/8mm TT-810-A8 x 10mm 11-825-A8x 125mm TI-375-A3/8-24 . TT-125-AlOx 125mm Retail Approx Price Weighi S495 061 ox 495061 ox 495 ox 495. . 082 ox 495076 ox 495 076 ox 495076 ox 495 075 ox 595 .117 ox 595. liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 22 Once CyA has dried remove spinner engine engine mount put both aside moment Now want remove firewalllengine mount assembly fuselage can install blind nuts hold mount place Generally will able remove assembly piece through either engine cutout wing cutout go ahead pop engine mount loose firewall still fuselage Because CyA does stick vecy well engine mount after have removed engine mount will find glue spots will show exactly engine mount firewall before removed will use guide placing engine mount firewall drill mounting holes 23 With engine mount firewall removed fuselage relocate mount firewall mark positions mounting bolts go through firewall drilling holes use I32 bit front assuming using 6-32 mounting bolt backside drill /4 3/t6-in drill bit provide relief blind mounting nuts CT-nuts will using Without relief will find difficult mount T-nuts will take chance splitting wood distorting threads nuts Once holes drilled press mounting nuts place back firewall use some medium CyA around edges secure place careful get CyA inside threads will have replace nuts Now sanding block remove glue flashing front firewall used mount alignment 24 Place firewall back inside fuselage wing cutout bolt engine mount front Once have two pieces together remount engine spinner assembly onto engine mount Before go further double-check alignment before spinner flush spinner ring plywood ring back XOGofiOE SOD ITo RITBOI UDAEA OURABHAFAt$I400 1 ONIOACORRI0O IoOEiOEI.0S20-EI$OFISUER.$IBOORAIr IS $909 CEERIER COORIOE. OoaORR ROU$TLESSt $1900 -NRR ISEHAIEE $4999 E 9C0NT0ST SU004IRIR RACER EO$OI-CRSSAACRO$1999BER4RIREOECB OR CU LACORIITFOOTJES DOUBLE WIT 0-4 JOSFER EREBAIO O-COTOIT WOOD ES ROSTETCE HOOSIER hOT-REST SOAAOW$IAOOUOT 9REOcER-OUORIC-ORRBFASTRLIFT$UAL$$$9.$RR 999. -I 9O"A OCOEO SflEEOSSd AILDTURRRB $9 99 REDO REAA BlUR RESEt IORROCIWEE.$43OOIOgO spinner should still place time double-check alignment engine head cowl 25 Once satisfied alignment tack glue firewall fuselage couple drops medium CyA let assembly diy Once assembly dry remove spinner engine mount airplane leaving firewall place Now mix up slurry Hobbypoxy 2 milled glass working front firewall work glue mixture best can around between firewall fuselage Remember to rough break spot-glue joints hold firewall place Finish off front firewall leaving small glue fillet around entire firewall edge let assembly cure overnight nose fuselage pointed up air Notebe careful leave extra glue engine mount will bolted still have nice smooth flat surface 26 Once fillets have dried front firewall same procedure Hobbypoxy 2 milled glass back firewall steps should take lot glue huge fillet either side firewall adds no strength tremendous amount weight stingy remember building airplane withstand 180-mph crash either 27 Once firewall secure fuselage glue dry time remount engine mount Mix up small batch five-minute epoxy spread onto firewall just prior bolting firewall place provides fuelproofing firewall will also provide hard smooth surface engine mount bolted dry Important Bolt engine mount place glue still wet afterward because will have idea what kind thrust line have 28 I like have front engine mounts secured fuselage well using Nelson mount mounting holes screws come mount need make hold-down cfJjD CANOPI ES TEGRITY SERVICE 3950-A Valley Blvd WALNUT cA91769 714 5941349 594-1471 CALL OR WRITE FOR FREE BROCHURE 158 Model Aviation V 0 POCs GEWERIX ~rE4-mL Iti S NW- II FIGHTER CRUEJUR SERIES FOB 1940 *0100 EEOC4 SI-I $GSEREI RICOH TIISIARECOOC RROAdOSSOACEARORO HERO BT-OUSO NEISREOOE -lEO $ARRjIW NBBT $IAS LONOURNE ~ESCECIUIBE FUN T RC CLIRS WATTlED $399 SIUW CUTOOT FUONIES 911 AUGOLRCICRO ROARER IA ATE ROE 0919-0-DUB BOOR 00090. $3130 FOOTUROB FOWl COWEOT. $ISS3 SLOE 05000 $13 33SOIFREROOR FOAl CO$EOI.$0933 DEIC TWISTOO 000 ABLE PEON DOUR TAR OAIE $OBSORARC 111 RICES RETAIl $U OAOORNWNO ICOCCIEB RIO CBROIIE9 $390 GE O $1500 SHOE $39 Wad lox ERECICOFAEflEERERO FOREICOE SACOBOGRO BOG FAD 000 DORA l$43A1 GIGI-TASTERUOOUOUUEFTOR BElIE OB UAUL FOB FE EBE CATALOG 9000 EBEEOIRA ARCED 900 COT 0 bA III 000 EERIEBId ACS3303TOWER IOU mount t/8-jfl plywood fits inside outline Nelson mount will fit well inside fuselage Make sure mounting plate just barely touches inside fuselage distort fuselage motor mount place Once have accomplished bolt t/s-in plywood plate engine mount glue plate fuselage Hobbypoxy 2 milled glass using Stenberg motor mount another brand has no hold-on holes already provided will have drill tap front motor mount provide Use 6-32 screws drill tap accordingly will also have make two mounting platesone sidebecause other motor mounts extend far enough forward clear bottom engine case Again make plates mount engine mount before glue place fit mount forcing mount fit plates possibly distorting whole assembly Rememberthe solid straight mounting installation power will get out engine 29 running Nelson OS engine will have enlarge cowls kits get fit around heads Hopefully manufacturers working hard solve problem because made fit ST case head need enlarge cowl have relatively painless way Ill tell about engine mounted fuselage try mount cowl Make cutouts either side cowl fit engine installation may take because want remove much material need whole lot Once cowl sits fuselage satisfactorily engine place make sure have least 1/16 clearance around cutouts just made air may pass between modification engine case head 30 Remove cowl wrap engine head case about four layers masking tape top masking tape secure some Saran Wrap use brand works best everything will talk about article glue will stick engine tape Now cut couple swatches 6-oz cloth big enough cover holes made enlargement What going use engine inside mold enlargement need 31 Once have fiberglass pieces cut out mix up some Hobbypoxy 2 no filler right now Soak fiberglass pieces epoxy resin wrap around exposed engine head After have fiberglass engine head go ahead remount cowl being careful displace fiberglass around head Once cowl seated fuselage carefully work cloth contact inside cowl let assembly set up about three hours time will have firmed up completely hard 32 Now mix up batch Hobbypoxy 2 microballoons fairly thick paste will used filler outside enlargements Go ahead put slurry mixture over top fiberglass cloth making sure have plenty material sand after dries too shy otherwise may take couple nights get enough material make look good Let dry overnight remove cowl airplane Remove tape Saran Wrap engine replace cowl fuselage should fit just fine now thing left being sand outside cowl has pleasing appearance slight bulge over original Congratulations should now have front end fits well aligned great looks perfect want inside scoop stories like along being member organization responsible have Pylon Racing today Heres can join NMPRA Send name address phone number AMA number interest F-i QM Q500 FAT Ron Shorr 5224 Teesdale North Hollywood CA 91607 Include $15 nonflying SHIPPING & HANDLING UPS Ground Continental US $495 UPS Air & Parcel Post $495 plus 10% Subtotal Continental US UPS Nest Day Air $1400 plus $100 per lb Shipment total COD add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal October1992 159 1-b b.s1 3 ROLLED PLANS i/e-niso - INSTR l/941tso PbS I5CL11O~in SPLIGtt7 It3U5T51/9 O.55A255510 1-6 lb 1116 iteodnos LoneSPOIl 1 7nIle 2 o Corn O ibilt op Chatt Itt 371330011 5000 500 633 622130im 253O 1.7555 5o1 ond ill membership $30 flying membership $33 outside US See next month y M81/z Continued page 72 Note used three-pin Deans connector rather charging jack furnished HiLine because other modelsand field connectoruse Deans plug isnt necessary keep charger connected after charging Simply insert plug has two pins shorted KMI IS THE LARGEST AND BEST EQUIPPED INDEPENDENT RC SERVICE AND REPAIR CENTER IN THE USA repair major brands new older models WE ARE FACTORY AUTHORIZED WARRANTY SERVICE FOR AIRTRONICS ACE AND HITEC stock genuine factory replacement parts EXCLUSIVE SERVICE AND SALES OF RCD-KMI 6 METER RECEIVERS 1991 Gold Sticker narrowband frequency upgrades-station #21 stock crystals 1 03 different frequen cies SEND SAE FOR COMPLETE PRICE REPAIR AND PRODUCT INFORMATION CALL FOR RUSH SERVICE together establish circuit continuity will start motor flight Test-flying Select calm day area covered proverbial tall grass Remove prop glide model wind gentle firm launch Make necessary adjustments glide path shimming leading edge stabilizer up down appropriate youre satisfied glide path reinstall prop still over tall grass try first powered flightbut partial 30% charge have correct amount right thrust model may circled either direction Like cabin models though seems prefer $ 9995 8 Ch 50 53 72 75 Mhz 2-wheel gear ycle 1 7995 includes amplifier Kraft Midwest Inc 115 E Main Northville MI 48167 313/348-0085 313/348-4175 left-hand circles Gradually increase charging time making trim adjustments necessary Warning rudder very sensitive find initial right thrust downthrust incorrect remove nose block dissolve model cement thinner reposition motor youre completely satisfied thrust line permanently install motor CyA glue nose block fuselage four small dabs cement corner model came out heavier desired 50 grams faint heart craft will fly just wellmaybe better motor will run just well harm three cells So relax have fun Fly Electric cale Continued page 75 overlapped before binding Drying could done overnight microwave both thicknesses sliced through razor blade overlapped balsa will match up nicely Getting skin off form done splitting part crosswise front spar wing addition split rear peg install bulkhead rear peg reinforcement finish off model Len partially planked cockpit fuselage fourpound balsa sheet covered model JCI silver tissue made three bladed props plastic flower pot Ducted-fan FF Scale seems to stay Ferrell Papics profile Heinkel HE 178 has flying couple years two Ferrels tiny modified motors never much altitude year hes put Astro 02 extra power really gets model up Interested getting started Electric Constant testing refinements have made Electric very attractive single- multiengined Scale models flight duration can controlled length charge Ni-Cd batteries Need power Usually adding another cell will trick As long allow engine turn up dont overload too-big prop problems will practically nil Three light FF systems can replace venerable Astro 02 has off market few years VL Products 7871 Alabama No 16 Canoga Park CA 91304 catalog $1 has excellent proven geared motor Peck-Polymers PO Box 710399 Santee CA 92072 has motor famed its low power requirements Send $3 Peck-Polymers catalog 160 Model Aviation 1991 KMI MINI ULTRA AM RECEIVER KMI RETRACTS A
Edition: Model Aviation - 1992/10
Page Numbers: 68, 156, 157, 158, 159, 160
RADIO CONTROL Lo/A@fl Bill Hager 4 Holly Springs Dr Conroe TX 77302 JUST read very good construction article Pete Bergstrom National Miniature Pylon Racing Association NMPRA newsletter thought would pass way good example benefits get being member NMPRA Cowl Motor Mount Installation Pete Bergstrom Contrary some instruction sheets installation cowl motor mount first fit cowl airplane fit engine mount cowl few advantages system can get cowl placed perfect relationship fuselage opposite cheek cowl having guess engine will begin install engine mount will have full-size access hole under cheek cowl work instead leaves room error makes much difficult pull engine mount out 1 Completely wash fiberglass parts warm water mild soap solution remove traces parting compound may still remain very important before sand parts sand release agent fiberglass sand release agent fiberglass will virtually impossible get kind paint finish stick finished part paint job will ruined 2 It much easier completely sand fuselage now will later after have attached various items So go ahead sand fuselage finish off 320-grit paper careful sand away alignment marks manufacturer might have put mold make easier find tail incidence cowl centerline etc 3 Find cowl centerline engine side fuselage draw line through registration marks found Vis-a-Vis pen overhead projection marker marks will readily discernible work 4 Sand cowl down edge line will find cowls come already cut sanded point Dry-fit cowl side fuselage make sure have tremendous gaps between cowl fuselage centering line drew earlier Mark fore aft positions cowl time 5 Measure along centerline 1/2 inch forward mark will will place front rivet cowl alignment Now measure cowl rear point point underneath pipe cutout deepest transfer measurement fuselage measuring aft mark made earlier will place rear rivet cowl alignment 6 Drill holes fuselage corresponding marks just made large enough provide good clearance fit rivet sizes have Most time rivets in diameter measure yours sure Glue rivets place inside fuselage five-minute epoxy put small square 6-oz glass cloth over heads rivets inside fuselage keep place Let dry completely before going next segment 7 Make sure take some 80- 100-grit sandpaper inside edges cowl filler mixture will stick very well cowl 8 After rivets have completely dried wax front end fuselage cowl will placed good quality wax mold car wax works just fine use car wax use coat will gain anything because car waxes days have cleaning agent will remove previous coat wax Put wax down smooth can buff out after dries 9 After wax dries place two grommets should have gotten kit over top rivets make sure fit properly fit should snug move around being tight cannot get off relatively easily grommets rivets place cowl over top make sure grommetlrivet assemblies too tall allow cowl sit flush possible fuselage Trim tops grommets andlor rivets necessary get cowl fit flush fuselage 10 Now mix up batch Hobbypoxy 2 mix enough microballoons milled glass about one-half microballoons onehalf milled glass until have paste just little bit looser cake frosting want mixture runny will stay place nor dry stiff will stick cowl have about 45 minutes pot life Hobbypoxy 2 make sure get rightdo rush 11 Once have glue mixed start putting drop glue top both rivet grommet assemblies make sure will very secure everything dries Take rest glue spread around inside edges cowl cowl placed onto fuselage next step glue mixture will squeeze out cowl slightly provide perfect mating surface fuselage Make sure get enough glue rear cowl completely fill hole under pipe cutout fairing worry about weight time can remove glue later just want make sure cowl fits perfectly first time real bear have go back fill just selected areas 12 Now have glue spread out cowl time place back fuselage Lay fuselage its side engine side up Using alignment marks made earlier place cowl its final position use Robart Foam Stand workshop 68 Model Aviation Continued page 156 Pylon racers Vallentuna Sweden make ready heat what called Sting Pylon sure looks like fun future article OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIrr SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP 1/4 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $350 STOCK ORDERS SHIPPED WITHIN 24 HRS DC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far westem North Carolina Write call information BC Fight Iraining 704 3894968 personalities handled events public address system floridas Englands loss Dave Platt Californias Sam Wright described details airplane flight appreciative public knowledge aviation facts fantasies absolutely astounding pointing out little-known items concerning airplane taken blue crowd thoroughly entertained throughout contest Top Gun sponsored horde major industry players through donations cash merchandise both see event continues grow stature year Some sponsors 1992 Pacer Technology Model Airplane News Ace RIC Airtronics Incorporated Bob Violett Models Dave Platt Models Frank Tiano Enterprises Futaba Gene Barton Machine Hobby Dynamics House Balsa Lanier RC McDaniel RIC RIC Report Robart Manufacturing Sig Manufacturing Yellow Aircraft close month Ill simply pass thank-you Frank Tiano Top Guns designer enthusiastic promoter taking style model aviation out back forty full view appreciative public still another fine Scale contest *#A* *#A* good party So until next month friends build straight fly safely Ill talk again ylon Continued page 68 fuselage work makes real easy rotate fuselage position desim rubberbands across top will stay positions long want Once cowl position want look real close angles make sure get right tape cowl position masking tape allow whole assembly dry 24 hours 13 After cowl assembly has dried completely now have remove simply try pry off pull off probably will release fuselage What should simply start pressing fuselage area around cowl pop fuselage loose cowl cowl will always lot stiffer fuselage fuselage skin will move first Carefully continue doing way around cowl until has completely released itself fuselage Once done should able simply pull cowl straight up off fuselage along vertical access rivets Congratulations now have perfectly fitted cowl does look like much yethold 14 sanding block some 120grit paper smooth out excess glue outside cowl will have remove extra made outside surface cowl sandpaper just wrapped around fingers hand fit curves cowl am finished have fine line glue between original cowl line new line fits fuselage should great amount filler anywhere cowl did dry fit cowl properly 15 Dremel tool sanding drum remove material inside cowl working back cowl around pipe cutout remove material directly under cutout ie front pipe fairing leaving material will create air dam prevent air entering area under pipe fairing air will want lift cowl fuselage flight Im convinced source some buzzing hear certain airplanes back part cowl constantly being lifted dropped back onto fuselage Immediately behind air dam just created can remove much material would like Just remember leave enough sure grommet secure its mounting After have done sanding remount cowl fuselage admire handiworka perfectly fitted cowl now looks like 16 time remove cowl some acetone remove traces Matched Performance System TOP PERFORMANCE K&B ENGINES AirplaneMarine K&B FUELS K&B GLOW PLUGS 9 Blends4 Cheices Matched Finish System BEST APPFARANCE lallanas FILLER FOXY THINNER 156 Model Aviation UUK KkVUF INVISNIORY AVERAGES OVER 9000 PROPS I PROMPF SHIPMENT ON VISAIMC SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVANARI1 JNflwmIIAIi V RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE h TREAT YOURSELF TO IRON YOU CAN TRUST Black Baron Irons high-tech thermostat reduces temperature drift 5d.. ordinary irons vary up 40 degrees Exclusive roll bars fit fillets undercambers like butter Two stands included %~acbtone coat ng slides COVERITE 420 Babylon Rd Horsham PA 19044 USA wax markings fuselage front old marks no good us now will making new marksso lets get confused 17 Replace cowl front end Vis-a-Vis pen draw outline cowl front fuselage will help us guide engine access hole Remove cowl measure front fuselage back 43/g draw line parallel front nose ring guideline back side cutout Now draw line measuring between 1/8 1/4 inside outer cowl outline will line will cut removing material engine access hole cut hole out Dremel makes 1/8. rounded-tip carbide bit absolutely great cutting fiberglass parts Starting somewhere middle outline go ahead rough cut area out front fuselage still have tool place rough cut area spinner ring after have sanded parting line flush fuselage sand after cut spinner ring stand good chance changing designers thrust line because working much less material removed much easier Cut opening now engine has someplace go try place fuselage Remember remove area around front alignment rivet Now put trusty sanding drum back Dremel sand cutouts just made pleasing outline within confines guidelines drew earlier spinner ring same time spinner ring usually leave between 1/i 3/4 outside edges 18 Lets mount engine firewall now first thing need take old spinner backplate glue /32-in plywood ring back say ring because want thrust washer engine contact back spinner plate plywood ring usually mount some medium CyA cyanoacrylate glue have spinner use just purpose have remove After have racing & MODEL BUILDING 7ERVICE ThADIO CONTROL PRODUCTS carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN hAlO 0314 will ruin nose cone portion quite few spinners will have plenty backplates use using new spinner just spot glue ring backthe plywood will remove easily enough X-Acto knife 19 time place motor mount fuselage either through cutout made through wing saddle bolt engine through engine access cutout Make sure wipe mounting flats engine mount free balsa fiberglass pieces engine sits flush rails you will putting unwanted thrust offset engine mounting alignment Once engine securely bolted engine mount mount spinner backplate cutoff prop mistake prop carving floor washer nut whole assembly solid piece 20 Next want fit firewall place snug does distort fuselage sides way best way have found setting bench disk sander about five-degree angle going around outside edges firewall Important note Make sure use back firewall guide front 21 engine/spinner combination flush fuselage spinner plate place firewall position wing cutout fits flush back engine mount Take extra care point make sure truly flush firewall does distort fuselage way Use long-handled screwdriver through wing cutout gently tap firewall place flush engine mount Because have already fitted cowl can now use alignment guide head engine placing onto rivets making sure engine centered inside cowl may want wrap couple layers masking tape around engine get snug fit cowl know goes satisfied alignment drop some medium CyA about four different places around engine mount/firewall joint allow dry Dear Fellow Modeler experienced modeler no doubt remember first days hobby Chances some nice modeler reached out lent hand offering advice guidance little moral support Isnt time returned favor GIVE THE GIFT OF FLIGHT year bring someone new hobby special friend people want learn hobby need little encouragement someone like answer questions get started invest little time give back hobby some what has given you will rewarded times over fe effort mission US AirCore help people learn fly sypply rugged planes survive learning experience offer crash guarantee* AirCore 40 Family Trainer Regardless airplane preference hope share belief few hobbies offering friendship enjoyment education modeling has offer George Barker Lawrence Ragan ModeM cafl Ma ,g 4576 Claire Chennault Hangar 7 Dallas TX 75248 214-250-1914 call send details crash guarantee See local hobby dealer Aircore kits New vHS video catalog available $icO plue $300 shipping October1992 157 Alrcore 40 Family Trainer SHOP TASK Original Home Machine Shop Designed USA Shoptask SINCE 1951 PRECISION MODEL PRODUCTS soYA Made USA BARSTOCK ALUMINUM SPINNERS Pan NoSize 11-150-B .. 1-1/2 11-175-B .. 1-3/4 11-200-B 11-225-B .. 2-1/4 11-226-B .. 2-14 FAt . 11-250-B . 2-1/2 11-251-B .. 2-1/2FAI 11275-B .. 2-3/4 11-276-B .. 2-3/4 FAll . 11-300-B3 11-301-B3 FAI 11-325-B /4 11-350-B 3-1/2 11-375-B. 3-3/4 11-400-B4 RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 1595160 oz 1895150oz 1895190oz 2095170oz 2295220oz 2495200at 2595260oz 2895250oz 3695340at 4995470oz 5995520oz 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Availabte Ati Sizes Add $3 00 Per Spinner PROP NUT ADAPTORS Pan No Size TT-140-A . 114-28 11-147-A 28/7mm . 11-610-A 6 x 10mm 11-710-A 7 x 10mm 11-516-A 5/16-24 TI-SiB-A5/16-24/8mm TT-810-A8 x 10mm 11-825-A8x 125mm TI-375-A3/8-24 . TT-125-AlOx 125mm Retail Approx Price Weighi S495 061 ox 495061 ox 495 ox 495. . 082 ox 495076 ox 495 076 ox 495076 ox 495 075 ox 595 .117 ox 595. liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 22 Once CyA has dried remove spinner engine engine mount put both aside moment Now want remove firewalllengine mount assembly fuselage can install blind nuts hold mount place Generally will able remove assembly piece through either engine cutout wing cutout go ahead pop engine mount loose firewall still fuselage Because CyA does stick vecy well engine mount after have removed engine mount will find glue spots will show exactly engine mount firewall before removed will use guide placing engine mount firewall drill mounting holes 23 With engine mount firewall removed fuselage relocate mount firewall mark positions mounting bolts go through firewall drilling holes use I32 bit front assuming using 6-32 mounting bolt backside drill /4 3/t6-in drill bit provide relief blind mounting nuts CT-nuts will using Without relief will find difficult mount T-nuts will take chance splitting wood distorting threads nuts Once holes drilled press mounting nuts place back firewall use some medium CyA around edges secure place careful get CyA inside threads will have replace nuts Now sanding block remove glue flashing front firewall used mount alignment 24 Place firewall back inside fuselage wing cutout bolt engine mount front Once have two pieces together remount engine spinner assembly onto engine mount Before go further double-check alignment before spinner flush spinner ring plywood ring back XOGofiOE SOD ITo RITBOI UDAEA OURABHAFAt$I400 1 ONIOACORRI0O IoOEiOEI.0S20-EI$OFISUER.$IBOORAIr IS $909 CEERIER COORIOE. OoaORR ROU$TLESSt $1900 -NRR ISEHAIEE $4999 E 9C0NT0ST SU004IRIR RACER EO$OI-CRSSAACRO$1999BER4RIREOECB OR CU LACORIITFOOTJES DOUBLE WIT 0-4 JOSFER EREBAIO O-COTOIT WOOD ES ROSTETCE HOOSIER hOT-REST SOAAOW$IAOOUOT 9REOcER-OUORIC-ORRBFASTRLIFT$UAL$$$9.$RR 999. -I 9O"A OCOEO SflEEOSSd AILDTURRRB $9 99 REDO REAA BlUR RESEt IORROCIWEE.$43OOIOgO spinner should still place time double-check alignment engine head cowl 25 Once satisfied alignment tack glue firewall fuselage couple drops medium CyA let assembly diy Once assembly dry remove spinner engine mount airplane leaving firewall place Now mix up slurry Hobbypoxy 2 milled glass working front firewall work glue mixture best can around between firewall fuselage Remember to rough break spot-glue joints hold firewall place Finish off front firewall leaving small glue fillet around entire firewall edge let assembly cure overnight nose fuselage pointed up air Notebe careful leave extra glue engine mount will bolted still have nice smooth flat surface 26 Once fillets have dried front firewall same procedure Hobbypoxy 2 milled glass back firewall steps should take lot glue huge fillet either side firewall adds no strength tremendous amount weight stingy remember building airplane withstand 180-mph crash either 27 Once firewall secure fuselage glue dry time remount engine mount Mix up small batch five-minute epoxy spread onto firewall just prior bolting firewall place provides fuelproofing firewall will also provide hard smooth surface engine mount bolted dry Important Bolt engine mount place glue still wet afterward because will have idea what kind thrust line have 28 I like have front engine mounts secured fuselage well using Nelson mount mounting holes screws come mount need make hold-down cfJjD CANOPI ES TEGRITY SERVICE 3950-A Valley Blvd WALNUT cA91769 714 5941349 594-1471 CALL OR WRITE FOR FREE BROCHURE 158 Model Aviation V 0 POCs GEWERIX ~rE4-mL Iti S NW- II FIGHTER CRUEJUR SERIES FOB 1940 *0100 EEOC4 SI-I $GSEREI RICOH TIISIARECOOC RROAdOSSOACEARORO HERO BT-OUSO NEISREOOE -lEO $ARRjIW NBBT $IAS LONOURNE ~ESCECIUIBE FUN T RC CLIRS WATTlED $399 SIUW CUTOOT FUONIES 911 AUGOLRCICRO ROARER IA ATE ROE 0919-0-DUB BOOR 00090. $3130 FOOTUROB FOWl COWEOT. $ISS3 SLOE 05000 $13 33SOIFREROOR FOAl CO$EOI.$0933 DEIC TWISTOO 000 ABLE PEON DOUR TAR OAIE $OBSORARC 111 RICES RETAIl $U OAOORNWNO ICOCCIEB RIO CBROIIE9 $390 GE O $1500 SHOE $39 Wad lox ERECICOFAEflEERERO FOREICOE SACOBOGRO BOG FAD 000 DORA l$43A1 GIGI-TASTERUOOUOUUEFTOR BElIE OB UAUL FOB FE EBE CATALOG 9000 EBEEOIRA ARCED 900 COT 0 bA III 000 EERIEBId ACS3303TOWER IOU mount t/8-jfl plywood fits inside outline Nelson mount will fit well inside fuselage Make sure mounting plate just barely touches inside fuselage distort fuselage motor mount place Once have accomplished bolt t/s-in plywood plate engine mount glue plate fuselage Hobbypoxy 2 milled glass using Stenberg motor mount another brand has no hold-on holes already provided will have drill tap front motor mount provide Use 6-32 screws drill tap accordingly will also have make two mounting platesone sidebecause other motor mounts extend far enough forward clear bottom engine case Again make plates mount engine mount before glue place fit mount forcing mount fit plates possibly distorting whole assembly Rememberthe solid straight mounting installation power will get out engine 29 running Nelson OS engine will have enlarge cowls kits get fit around heads Hopefully manufacturers working hard solve problem because made fit ST case head need enlarge cowl have relatively painless way Ill tell about engine mounted fuselage try mount cowl Make cutouts either side cowl fit engine installation may take because want remove much material need whole lot Once cowl sits fuselage satisfactorily engine place make sure have least 1/16 clearance around cutouts just made air may pass between modification engine case head 30 Remove cowl wrap engine head case about four layers masking tape top masking tape secure some Saran Wrap use brand works best everything will talk about article glue will stick engine tape Now cut couple swatches 6-oz cloth big enough cover holes made enlargement What going use engine inside mold enlargement need 31 Once have fiberglass pieces cut out mix up some Hobbypoxy 2 no filler right now Soak fiberglass pieces epoxy resin wrap around exposed engine head After have fiberglass engine head go ahead remount cowl being careful displace fiberglass around head Once cowl seated fuselage carefully work cloth contact inside cowl let assembly set up about three hours time will have firmed up completely hard 32 Now mix up batch Hobbypoxy 2 microballoons fairly thick paste will used filler outside enlargements Go ahead put slurry mixture over top fiberglass cloth making sure have plenty material sand after dries too shy otherwise may take couple nights get enough material make look good Let dry overnight remove cowl airplane Remove tape Saran Wrap engine replace cowl fuselage should fit just fine now thing left being sand outside cowl has pleasing appearance slight bulge over original Congratulations should now have front end fits well aligned great looks perfect want inside scoop stories like along being member organization responsible have Pylon Racing today Heres can join NMPRA Send name address phone number AMA number interest F-i QM Q500 FAT Ron Shorr 5224 Teesdale North Hollywood CA 91607 Include $15 nonflying SHIPPING & HANDLING UPS Ground Continental US $495 UPS Air & Parcel Post $495 plus 10% Subtotal Continental US UPS Nest Day Air $1400 plus $100 per lb Shipment total COD add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal October1992 159 1-b b.s1 3 ROLLED PLANS i/e-niso - INSTR l/941tso PbS I5CL11O~in SPLIGtt7 It3U5T51/9 O.55A255510 1-6 lb 1116 iteodnos LoneSPOIl 1 7nIle 2 o Corn O ibilt op Chatt Itt 371330011 5000 500 633 622130im 253O 1.7555 5o1 ond ill membership $30 flying membership $33 outside US See next month y M81/z Continued page 72 Note used three-pin Deans connector rather charging jack furnished HiLine because other modelsand field connectoruse Deans plug isnt necessary keep charger connected after charging Simply insert plug has two pins shorted KMI IS THE LARGEST AND BEST EQUIPPED INDEPENDENT RC SERVICE AND REPAIR CENTER IN THE USA repair major brands new older models WE ARE FACTORY AUTHORIZED WARRANTY SERVICE FOR AIRTRONICS ACE AND HITEC stock genuine factory replacement parts EXCLUSIVE SERVICE AND SALES OF RCD-KMI 6 METER RECEIVERS 1991 Gold Sticker narrowband frequency upgrades-station #21 stock crystals 1 03 different frequen cies SEND SAE FOR COMPLETE PRICE REPAIR AND PRODUCT INFORMATION CALL FOR RUSH SERVICE together establish circuit continuity will start motor flight Test-flying Select calm day area covered proverbial tall grass Remove prop glide model wind gentle firm launch Make necessary adjustments glide path shimming leading edge stabilizer up down appropriate youre satisfied glide path reinstall prop still over tall grass try first powered flightbut partial 30% charge have correct amount right thrust model may circled either direction Like cabin models though seems prefer $ 9995 8 Ch 50 53 72 75 Mhz 2-wheel gear ycle 1 7995 includes amplifier Kraft Midwest Inc 115 E Main Northville MI 48167 313/348-0085 313/348-4175 left-hand circles Gradually increase charging time making trim adjustments necessary Warning rudder very sensitive find initial right thrust downthrust incorrect remove nose block dissolve model cement thinner reposition motor youre completely satisfied thrust line permanently install motor CyA glue nose block fuselage four small dabs cement corner model came out heavier desired 50 grams faint heart craft will fly just wellmaybe better motor will run just well harm three cells So relax have fun Fly Electric cale Continued page 75 overlapped before binding Drying could done overnight microwave both thicknesses sliced through razor blade overlapped balsa will match up nicely Getting skin off form done splitting part crosswise front spar wing addition split rear peg install bulkhead rear peg reinforcement finish off model Len partially planked cockpit fuselage fourpound balsa sheet covered model JCI silver tissue made three bladed props plastic flower pot Ducted-fan FF Scale seems to stay Ferrell Papics profile Heinkel HE 178 has flying couple years two Ferrels tiny modified motors never much altitude year hes put Astro 02 extra power really gets model up Interested getting started Electric Constant testing refinements have made Electric very attractive single- multiengined Scale models flight duration can controlled length charge Ni-Cd batteries Need power Usually adding another cell will trick As long allow engine turn up dont overload too-big prop problems will practically nil Three light FF systems can replace venerable Astro 02 has off market few years VL Products 7871 Alabama No 16 Canoga Park CA 91304 catalog $1 has excellent proven geared motor Peck-Polymers PO Box 710399 Santee CA 92072 has motor famed its low power requirements Send $3 Peck-Polymers catalog 160 Model Aviation 1991 KMI MINI ULTRA AM RECEIVER KMI RETRACTS A
Edition: Model Aviation - 1992/10
Page Numbers: 68, 156, 157, 158, 159, 160
RADIO CONTROL Lo/A@fl Bill Hager 4 Holly Springs Dr Conroe TX 77302 JUST read very good construction article Pete Bergstrom National Miniature Pylon Racing Association NMPRA newsletter thought would pass way good example benefits get being member NMPRA Cowl Motor Mount Installation Pete Bergstrom Contrary some instruction sheets installation cowl motor mount first fit cowl airplane fit engine mount cowl few advantages system can get cowl placed perfect relationship fuselage opposite cheek cowl having guess engine will begin install engine mount will have full-size access hole under cheek cowl work instead leaves room error makes much difficult pull engine mount out 1 Completely wash fiberglass parts warm water mild soap solution remove traces parting compound may still remain very important before sand parts sand release agent fiberglass sand release agent fiberglass will virtually impossible get kind paint finish stick finished part paint job will ruined 2 It much easier completely sand fuselage now will later after have attached various items So go ahead sand fuselage finish off 320-grit paper careful sand away alignment marks manufacturer might have put mold make easier find tail incidence cowl centerline etc 3 Find cowl centerline engine side fuselage draw line through registration marks found Vis-a-Vis pen overhead projection marker marks will readily discernible work 4 Sand cowl down edge line will find cowls come already cut sanded point Dry-fit cowl side fuselage make sure have tremendous gaps between cowl fuselage centering line drew earlier Mark fore aft positions cowl time 5 Measure along centerline 1/2 inch forward mark will will place front rivet cowl alignment Now measure cowl rear point point underneath pipe cutout deepest transfer measurement fuselage measuring aft mark made earlier will place rear rivet cowl alignment 6 Drill holes fuselage corresponding marks just made large enough provide good clearance fit rivet sizes have Most time rivets in diameter measure yours sure Glue rivets place inside fuselage five-minute epoxy put small square 6-oz glass cloth over heads rivets inside fuselage keep place Let dry completely before going next segment 7 Make sure take some 80- 100-grit sandpaper inside edges cowl filler mixture will stick very well cowl 8 After rivets have completely dried wax front end fuselage cowl will placed good quality wax mold car wax works just fine use car wax use coat will gain anything because car waxes days have cleaning agent will remove previous coat wax Put wax down smooth can buff out after dries 9 After wax dries place two grommets should have gotten kit over top rivets make sure fit properly fit should snug move around being tight cannot get off relatively easily grommets rivets place cowl over top make sure grommetlrivet assemblies too tall allow cowl sit flush possible fuselage Trim tops grommets andlor rivets necessary get cowl fit flush fuselage 10 Now mix up batch Hobbypoxy 2 mix enough microballoons milled glass about one-half microballoons onehalf milled glass until have paste just little bit looser cake frosting want mixture runny will stay place nor dry stiff will stick cowl have about 45 minutes pot life Hobbypoxy 2 make sure get rightdo rush 11 Once have glue mixed start putting drop glue top both rivet grommet assemblies make sure will very secure everything dries Take rest glue spread around inside edges cowl cowl placed onto fuselage next step glue mixture will squeeze out cowl slightly provide perfect mating surface fuselage Make sure get enough glue rear cowl completely fill hole under pipe cutout fairing worry about weight time can remove glue later just want make sure cowl fits perfectly first time real bear have go back fill just selected areas 12 Now have glue spread out cowl time place back fuselage Lay fuselage its side engine side up Using alignment marks made earlier place cowl its final position use Robart Foam Stand workshop 68 Model Aviation Continued page 156 Pylon racers Vallentuna Sweden make ready heat what called Sting Pylon sure looks like fun future article OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIrr SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP 1/4 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $350 STOCK ORDERS SHIPPED WITHIN 24 HRS DC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far westem North Carolina Write call information BC Fight Iraining 704 3894968 personalities handled events public address system floridas Englands loss Dave Platt Californias Sam Wright described details airplane flight appreciative public knowledge aviation facts fantasies absolutely astounding pointing out little-known items concerning airplane taken blue crowd thoroughly entertained throughout contest Top Gun sponsored horde major industry players through donations cash merchandise both see event continues grow stature year Some sponsors 1992 Pacer Technology Model Airplane News Ace RIC Airtronics Incorporated Bob Violett Models Dave Platt Models Frank Tiano Enterprises Futaba Gene Barton Machine Hobby Dynamics House Balsa Lanier RC McDaniel RIC RIC Report Robart Manufacturing Sig Manufacturing Yellow Aircraft close month Ill simply pass thank-you Frank Tiano Top Guns designer enthusiastic promoter taking style model aviation out back forty full view appreciative public still another fine Scale contest *#A* *#A* good party So until next month friends build straight fly safely Ill talk again ylon Continued page 68 fuselage work makes real easy rotate fuselage position desim rubberbands across top will stay positions long want Once cowl position want look real close angles make sure get right tape cowl position masking tape allow whole assembly dry 24 hours 13 After cowl assembly has dried completely now have remove simply try pry off pull off probably will release fuselage What should simply start pressing fuselage area around cowl pop fuselage loose cowl cowl will always lot stiffer fuselage fuselage skin will move first Carefully continue doing way around cowl until has completely released itself fuselage Once done should able simply pull cowl straight up off fuselage along vertical access rivets Congratulations now have perfectly fitted cowl does look like much yethold 14 sanding block some 120grit paper smooth out excess glue outside cowl will have remove extra made outside surface cowl sandpaper just wrapped around fingers hand fit curves cowl am finished have fine line glue between original cowl line new line fits fuselage should great amount filler anywhere cowl did dry fit cowl properly 15 Dremel tool sanding drum remove material inside cowl working back cowl around pipe cutout remove material directly under cutout ie front pipe fairing leaving material will create air dam prevent air entering area under pipe fairing air will want lift cowl fuselage flight Im convinced source some buzzing hear certain airplanes back part cowl constantly being lifted dropped back onto fuselage Immediately behind air dam just created can remove much material would like Just remember leave enough sure grommet secure its mounting After have done sanding remount cowl fuselage admire handiworka perfectly fitted cowl now looks like 16 time remove cowl some acetone remove traces Matched Performance System TOP PERFORMANCE K&B ENGINES AirplaneMarine K&B FUELS K&B GLOW PLUGS 9 Blends4 Cheices Matched Finish System BEST APPFARANCE lallanas FILLER FOXY THINNER 156 Model Aviation UUK KkVUF INVISNIORY AVERAGES OVER 9000 PROPS I PROMPF SHIPMENT ON VISAIMC SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVANARI1 JNflwmIIAIi V RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE h TREAT YOURSELF TO IRON YOU CAN TRUST Black Baron Irons high-tech thermostat reduces temperature drift 5d.. ordinary irons vary up 40 degrees Exclusive roll bars fit fillets undercambers like butter Two stands included %~acbtone coat ng slides COVERITE 420 Babylon Rd Horsham PA 19044 USA wax markings fuselage front old marks no good us now will making new marksso lets get confused 17 Replace cowl front end Vis-a-Vis pen draw outline cowl front fuselage will help us guide engine access hole Remove cowl measure front fuselage back 43/g draw line parallel front nose ring guideline back side cutout Now draw line measuring between 1/8 1/4 inside outer cowl outline will line will cut removing material engine access hole cut hole out Dremel makes 1/8. rounded-tip carbide bit absolutely great cutting fiberglass parts Starting somewhere middle outline go ahead rough cut area out front fuselage still have tool place rough cut area spinner ring after have sanded parting line flush fuselage sand after cut spinner ring stand good chance changing designers thrust line because working much less material removed much easier Cut opening now engine has someplace go try place fuselage Remember remove area around front alignment rivet Now put trusty sanding drum back Dremel sand cutouts just made pleasing outline within confines guidelines drew earlier spinner ring same time spinner ring usually leave between 1/i 3/4 outside edges 18 Lets mount engine firewall now first thing need take old spinner backplate glue /32-in plywood ring back say ring because want thrust washer engine contact back spinner plate plywood ring usually mount some medium CyA cyanoacrylate glue have spinner use just purpose have remove After have racing & MODEL BUILDING 7ERVICE ThADIO CONTROL PRODUCTS carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN hAlO 0314 will ruin nose cone portion quite few spinners will have plenty backplates use using new spinner just spot glue ring backthe plywood will remove easily enough X-Acto knife 19 time place motor mount fuselage either through cutout made through wing saddle bolt engine through engine access cutout Make sure wipe mounting flats engine mount free balsa fiberglass pieces engine sits flush rails you will putting unwanted thrust offset engine mounting alignment Once engine securely bolted engine mount mount spinner backplate cutoff prop mistake prop carving floor washer nut whole assembly solid piece 20 Next want fit firewall place snug does distort fuselage sides way best way have found setting bench disk sander about five-degree angle going around outside edges firewall Important note Make sure use back firewall guide front 21 engine/spinner combination flush fuselage spinner plate place firewall position wing cutout fits flush back engine mount Take extra care point make sure truly flush firewall does distort fuselage way Use long-handled screwdriver through wing cutout gently tap firewall place flush engine mount Because have already fitted cowl can now use alignment guide head engine placing onto rivets making sure engine centered inside cowl may want wrap couple layers masking tape around engine get snug fit cowl know goes satisfied alignment drop some medium CyA about four different places around engine mount/firewall joint allow dry Dear Fellow Modeler experienced modeler no doubt remember first days hobby Chances some nice modeler reached out lent hand offering advice guidance little moral support Isnt time returned favor GIVE THE GIFT OF FLIGHT year bring someone new hobby special friend people want learn hobby need little encouragement someone like answer questions get started invest little time give back hobby some what has given you will rewarded times over fe effort mission US AirCore help people learn fly sypply rugged planes survive learning experience offer crash guarantee* AirCore 40 Family Trainer Regardless airplane preference hope share belief few hobbies offering friendship enjoyment education modeling has offer George Barker Lawrence Ragan ModeM cafl Ma ,g 4576 Claire Chennault Hangar 7 Dallas TX 75248 214-250-1914 call send details crash guarantee See local hobby dealer Aircore kits New vHS video catalog available $icO plue $300 shipping October1992 157 Alrcore 40 Family Trainer SHOP TASK Original Home Machine Shop Designed USA Shoptask SINCE 1951 PRECISION MODEL PRODUCTS soYA Made USA BARSTOCK ALUMINUM SPINNERS Pan NoSize 11-150-B .. 1-1/2 11-175-B .. 1-3/4 11-200-B 11-225-B .. 2-1/4 11-226-B .. 2-14 FAt . 11-250-B . 2-1/2 11-251-B .. 2-1/2FAI 11275-B .. 2-3/4 11-276-B .. 2-3/4 FAll . 11-300-B3 11-301-B3 FAI 11-325-B /4 11-350-B 3-1/2 11-375-B. 3-3/4 11-400-B4 RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 1595160 oz 1895150oz 1895190oz 2095170oz 2295220oz 2495200at 2595260oz 2895250oz 3695340at 4995470oz 5995520oz 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Availabte Ati Sizes Add $3 00 Per Spinner PROP NUT ADAPTORS Pan No Size TT-140-A . 114-28 11-147-A 28/7mm . 11-610-A 6 x 10mm 11-710-A 7 x 10mm 11-516-A 5/16-24 TI-SiB-A5/16-24/8mm TT-810-A8 x 10mm 11-825-A8x 125mm TI-375-A3/8-24 . TT-125-AlOx 125mm Retail Approx Price Weighi S495 061 ox 495061 ox 495 ox 495. . 082 ox 495076 ox 495 076 ox 495076 ox 495 075 ox 595 .117 ox 595. liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 22 Once CyA has dried remove spinner engine engine mount put both aside moment Now want remove firewalllengine mount assembly fuselage can install blind nuts hold mount place Generally will able remove assembly piece through either engine cutout wing cutout go ahead pop engine mount loose firewall still fuselage Because CyA does stick vecy well engine mount after have removed engine mount will find glue spots will show exactly engine mount firewall before removed will use guide placing engine mount firewall drill mounting holes 23 With engine mount firewall removed fuselage relocate mount firewall mark positions mounting bolts go through firewall drilling holes use I32 bit front assuming using 6-32 mounting bolt backside drill /4 3/t6-in drill bit provide relief blind mounting nuts CT-nuts will using Without relief will find difficult mount T-nuts will take chance splitting wood distorting threads nuts Once holes drilled press mounting nuts place back firewall use some medium CyA around edges secure place careful get CyA inside threads will have replace nuts Now sanding block remove glue flashing front firewall used mount alignment 24 Place firewall back inside fuselage wing cutout bolt engine mount front Once have two pieces together remount engine spinner assembly onto engine mount Before go further double-check alignment before spinner flush spinner ring plywood ring back XOGofiOE SOD ITo RITBOI UDAEA OURABHAFAt$I400 1 ONIOACORRI0O IoOEiOEI.0S20-EI$OFISUER.$IBOORAIr IS $909 CEERIER COORIOE. OoaORR ROU$TLESSt $1900 -NRR ISEHAIEE $4999 E 9C0NT0ST SU004IRIR RACER EO$OI-CRSSAACRO$1999BER4RIREOECB OR CU LACORIITFOOTJES DOUBLE WIT 0-4 JOSFER EREBAIO O-COTOIT WOOD ES ROSTETCE HOOSIER hOT-REST SOAAOW$IAOOUOT 9REOcER-OUORIC-ORRBFASTRLIFT$UAL$$$9.$RR 999. -I 9O"A OCOEO SflEEOSSd AILDTURRRB $9 99 REDO REAA BlUR RESEt IORROCIWEE.$43OOIOgO spinner should still place time double-check alignment engine head cowl 25 Once satisfied alignment tack glue firewall fuselage couple drops medium CyA let assembly diy Once assembly dry remove spinner engine mount airplane leaving firewall place Now mix up slurry Hobbypoxy 2 milled glass working front firewall work glue mixture best can around between firewall fuselage Remember to rough break spot-glue joints hold firewall place Finish off front firewall leaving small glue fillet around entire firewall edge let assembly cure overnight nose fuselage pointed up air Notebe careful leave extra glue engine mount will bolted still have nice smooth flat surface 26 Once fillets have dried front firewall same procedure Hobbypoxy 2 milled glass back firewall steps should take lot glue huge fillet either side firewall adds no strength tremendous amount weight stingy remember building airplane withstand 180-mph crash either 27 Once firewall secure fuselage glue dry time remount engine mount Mix up small batch five-minute epoxy spread onto firewall just prior bolting firewall place provides fuelproofing firewall will also provide hard smooth surface engine mount bolted dry Important Bolt engine mount place glue still wet afterward because will have idea what kind thrust line have 28 I like have front engine mounts secured fuselage well using Nelson mount mounting holes screws come mount need make hold-down cfJjD CANOPI ES TEGRITY SERVICE 3950-A Valley Blvd WALNUT cA91769 714 5941349 594-1471 CALL OR WRITE FOR FREE BROCHURE 158 Model Aviation V 0 POCs GEWERIX ~rE4-mL Iti S NW- II FIGHTER CRUEJUR SERIES FOB 1940 *0100 EEOC4 SI-I $GSEREI RICOH TIISIARECOOC RROAdOSSOACEARORO HERO BT-OUSO NEISREOOE -lEO $ARRjIW NBBT $IAS LONOURNE ~ESCECIUIBE FUN T RC CLIRS WATTlED $399 SIUW CUTOOT FUONIES 911 AUGOLRCICRO ROARER IA ATE ROE 0919-0-DUB BOOR 00090. $3130 FOOTUROB FOWl COWEOT. $ISS3 SLOE 05000 $13 33SOIFREROOR FOAl CO$EOI.$0933 DEIC TWISTOO 000 ABLE PEON DOUR TAR OAIE $OBSORARC 111 RICES RETAIl $U OAOORNWNO ICOCCIEB RIO CBROIIE9 $390 GE O $1500 SHOE $39 Wad lox ERECICOFAEflEERERO FOREICOE SACOBOGRO BOG FAD 000 DORA l$43A1 GIGI-TASTERUOOUOUUEFTOR BElIE OB UAUL FOB FE EBE CATALOG 9000 EBEEOIRA ARCED 900 COT 0 bA III 000 EERIEBId ACS3303TOWER IOU mount t/8-jfl plywood fits inside outline Nelson mount will fit well inside fuselage Make sure mounting plate just barely touches inside fuselage distort fuselage motor mount place Once have accomplished bolt t/s-in plywood plate engine mount glue plate fuselage Hobbypoxy 2 milled glass using Stenberg motor mount another brand has no hold-on holes already provided will have drill tap front motor mount provide Use 6-32 screws drill tap accordingly will also have make two mounting platesone sidebecause other motor mounts extend far enough forward clear bottom engine case Again make plates mount engine mount before glue place fit mount forcing mount fit plates possibly distorting whole assembly Rememberthe solid straight mounting installation power will get out engine 29 running Nelson OS engine will have enlarge cowls kits get fit around heads Hopefully manufacturers working hard solve problem because made fit ST case head need enlarge cowl have relatively painless way Ill tell about engine mounted fuselage try mount cowl Make cutouts either side cowl fit engine installation may take because want remove much material need whole lot Once cowl sits fuselage satisfactorily engine place make sure have least 1/16 clearance around cutouts just made air may pass between modification engine case head 30 Remove cowl wrap engine head case about four layers masking tape top masking tape secure some Saran Wrap use brand works best everything will talk about article glue will stick engine tape Now cut couple swatches 6-oz cloth big enough cover holes made enlargement What going use engine inside mold enlargement need 31 Once have fiberglass pieces cut out mix up some Hobbypoxy 2 no filler right now Soak fiberglass pieces epoxy resin wrap around exposed engine head After have fiberglass engine head go ahead remount cowl being careful displace fiberglass around head Once cowl seated fuselage carefully work cloth contact inside cowl let assembly set up about three hours time will have firmed up completely hard 32 Now mix up batch Hobbypoxy 2 microballoons fairly thick paste will used filler outside enlargements Go ahead put slurry mixture over top fiberglass cloth making sure have plenty material sand after dries too shy otherwise may take couple nights get enough material make look good Let dry overnight remove cowl airplane Remove tape Saran Wrap engine replace cowl fuselage should fit just fine now thing left being sand outside cowl has pleasing appearance slight bulge over original Congratulations should now have front end fits well aligned great looks perfect want inside scoop stories like along being member organization responsible have Pylon Racing today Heres can join NMPRA Send name address phone number AMA number interest F-i QM Q500 FAT Ron Shorr 5224 Teesdale North Hollywood CA 91607 Include $15 nonflying SHIPPING & HANDLING UPS Ground Continental US $495 UPS Air & Parcel Post $495 plus 10% Subtotal Continental US UPS Nest Day Air $1400 plus $100 per lb Shipment total COD add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal October1992 159 1-b b.s1 3 ROLLED PLANS i/e-niso - INSTR l/941tso PbS I5CL11O~in SPLIGtt7 It3U5T51/9 O.55A255510 1-6 lb 1116 iteodnos LoneSPOIl 1 7nIle 2 o Corn O ibilt op Chatt Itt 371330011 5000 500 633 622130im 253O 1.7555 5o1 ond ill membership $30 flying membership $33 outside US See next month y M81/z Continued page 72 Note used three-pin Deans connector rather charging jack furnished HiLine because other modelsand field connectoruse Deans plug isnt necessary keep charger connected after charging Simply insert plug has two pins shorted KMI IS THE LARGEST AND BEST EQUIPPED INDEPENDENT RC SERVICE AND REPAIR CENTER IN THE USA repair major brands new older models WE ARE FACTORY AUTHORIZED WARRANTY SERVICE FOR AIRTRONICS ACE AND HITEC stock genuine factory replacement parts EXCLUSIVE SERVICE AND SALES OF RCD-KMI 6 METER RECEIVERS 1991 Gold Sticker narrowband frequency upgrades-station #21 stock crystals 1 03 different frequen cies SEND SAE FOR COMPLETE PRICE REPAIR AND PRODUCT INFORMATION CALL FOR RUSH SERVICE together establish circuit continuity will start motor flight Test-flying Select calm day area covered proverbial tall grass Remove prop glide model wind gentle firm launch Make necessary adjustments glide path shimming leading edge stabilizer up down appropriate youre satisfied glide path reinstall prop still over tall grass try first powered flightbut partial 30% charge have correct amount right thrust model may circled either direction Like cabin models though seems prefer $ 9995 8 Ch 50 53 72 75 Mhz 2-wheel gear ycle 1 7995 includes amplifier Kraft Midwest Inc 115 E Main Northville MI 48167 313/348-0085 313/348-4175 left-hand circles Gradually increase charging time making trim adjustments necessary Warning rudder very sensitive find initial right thrust downthrust incorrect remove nose block dissolve model cement thinner reposition motor youre completely satisfied thrust line permanently install motor CyA glue nose block fuselage four small dabs cement corner model came out heavier desired 50 grams faint heart craft will fly just wellmaybe better motor will run just well harm three cells So relax have fun Fly Electric cale Continued page 75 overlapped before binding Drying could done overnight microwave both thicknesses sliced through razor blade overlapped balsa will match up nicely Getting skin off form done splitting part crosswise front spar wing addition split rear peg install bulkhead rear peg reinforcement finish off model Len partially planked cockpit fuselage fourpound balsa sheet covered model JCI silver tissue made three bladed props plastic flower pot Ducted-fan FF Scale seems to stay Ferrell Papics profile Heinkel HE 178 has flying couple years two Ferrels tiny modified motors never much altitude year hes put Astro 02 extra power really gets model up Interested getting started Electric Constant testing refinements have made Electric very attractive single- multiengined Scale models flight duration can controlled length charge Ni-Cd batteries Need power Usually adding another cell will trick As long allow engine turn up dont overload too-big prop problems will practically nil Three light FF systems can replace venerable Astro 02 has off market few years VL Products 7871 Alabama No 16 Canoga Park CA 91304 catalog $1 has excellent proven geared motor Peck-Polymers PO Box 710399 Santee CA 92072 has motor famed its low power requirements Send $3 Peck-Polymers catalog 160 Model Aviation 1991 KMI MINI ULTRA AM RECEIVER KMI RETRACTS A
Edition: Model Aviation - 1992/10
Page Numbers: 68, 156, 157, 158, 159, 160
RADIO CONTROL Lo/A@fl Bill Hager 4 Holly Springs Dr Conroe TX 77302 JUST read very good construction article Pete Bergstrom National Miniature Pylon Racing Association NMPRA newsletter thought would pass way good example benefits get being member NMPRA Cowl Motor Mount Installation Pete Bergstrom Contrary some instruction sheets installation cowl motor mount first fit cowl airplane fit engine mount cowl few advantages system can get cowl placed perfect relationship fuselage opposite cheek cowl having guess engine will begin install engine mount will have full-size access hole under cheek cowl work instead leaves room error makes much difficult pull engine mount out 1 Completely wash fiberglass parts warm water mild soap solution remove traces parting compound may still remain very important before sand parts sand release agent fiberglass sand release agent fiberglass will virtually impossible get kind paint finish stick finished part paint job will ruined 2 It much easier completely sand fuselage now will later after have attached various items So go ahead sand fuselage finish off 320-grit paper careful sand away alignment marks manufacturer might have put mold make easier find tail incidence cowl centerline etc 3 Find cowl centerline engine side fuselage draw line through registration marks found Vis-a-Vis pen overhead projection marker marks will readily discernible work 4 Sand cowl down edge line will find cowls come already cut sanded point Dry-fit cowl side fuselage make sure have tremendous gaps between cowl fuselage centering line drew earlier Mark fore aft positions cowl time 5 Measure along centerline 1/2 inch forward mark will will place front rivet cowl alignment Now measure cowl rear point point underneath pipe cutout deepest transfer measurement fuselage measuring aft mark made earlier will place rear rivet cowl alignment 6 Drill holes fuselage corresponding marks just made large enough provide good clearance fit rivet sizes have Most time rivets in diameter measure yours sure Glue rivets place inside fuselage five-minute epoxy put small square 6-oz glass cloth over heads rivets inside fuselage keep place Let dry completely before going next segment 7 Make sure take some 80- 100-grit sandpaper inside edges cowl filler mixture will stick very well cowl 8 After rivets have completely dried wax front end fuselage cowl will placed good quality wax mold car wax works just fine use car wax use coat will gain anything because car waxes days have cleaning agent will remove previous coat wax Put wax down smooth can buff out after dries 9 After wax dries place two grommets should have gotten kit over top rivets make sure fit properly fit should snug move around being tight cannot get off relatively easily grommets rivets place cowl over top make sure grommetlrivet assemblies too tall allow cowl sit flush possible fuselage Trim tops grommets andlor rivets necessary get cowl fit flush fuselage 10 Now mix up batch Hobbypoxy 2 mix enough microballoons milled glass about one-half microballoons onehalf milled glass until have paste just little bit looser cake frosting want mixture runny will stay place nor dry stiff will stick cowl have about 45 minutes pot life Hobbypoxy 2 make sure get rightdo rush 11 Once have glue mixed start putting drop glue top both rivet grommet assemblies make sure will very secure everything dries Take rest glue spread around inside edges cowl cowl placed onto fuselage next step glue mixture will squeeze out cowl slightly provide perfect mating surface fuselage Make sure get enough glue rear cowl completely fill hole under pipe cutout fairing worry about weight time can remove glue later just want make sure cowl fits perfectly first time real bear have go back fill just selected areas 12 Now have glue spread out cowl time place back fuselage Lay fuselage its side engine side up Using alignment marks made earlier place cowl its final position use Robart Foam Stand workshop 68 Model Aviation Continued page 156 Pylon racers Vallentuna Sweden make ready heat what called Sting Pylon sure looks like fun future article OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIrr SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP 1/4 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $350 STOCK ORDERS SHIPPED WITHIN 24 HRS DC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far westem North Carolina Write call information BC Fight Iraining 704 3894968 personalities handled events public address system floridas Englands loss Dave Platt Californias Sam Wright described details airplane flight appreciative public knowledge aviation facts fantasies absolutely astounding pointing out little-known items concerning airplane taken blue crowd thoroughly entertained throughout contest Top Gun sponsored horde major industry players through donations cash merchandise both see event continues grow stature year Some sponsors 1992 Pacer Technology Model Airplane News Ace RIC Airtronics Incorporated Bob Violett Models Dave Platt Models Frank Tiano Enterprises Futaba Gene Barton Machine Hobby Dynamics House Balsa Lanier RC McDaniel RIC RIC Report Robart Manufacturing Sig Manufacturing Yellow Aircraft close month Ill simply pass thank-you Frank Tiano Top Guns designer enthusiastic promoter taking style model aviation out back forty full view appreciative public still another fine Scale contest *#A* *#A* good party So until next month friends build straight fly safely Ill talk again ylon Continued page 68 fuselage work makes real easy rotate fuselage position desim rubberbands across top will stay positions long want Once cowl position want look real close angles make sure get right tape cowl position masking tape allow whole assembly dry 24 hours 13 After cowl assembly has dried completely now have remove simply try pry off pull off probably will release fuselage What should simply start pressing fuselage area around cowl pop fuselage loose cowl cowl will always lot stiffer fuselage fuselage skin will move first Carefully continue doing way around cowl until has completely released itself fuselage Once done should able simply pull cowl straight up off fuselage along vertical access rivets Congratulations now have perfectly fitted cowl does look like much yethold 14 sanding block some 120grit paper smooth out excess glue outside cowl will have remove extra made outside surface cowl sandpaper just wrapped around fingers hand fit curves cowl am finished have fine line glue between original cowl line new line fits fuselage should great amount filler anywhere cowl did dry fit cowl properly 15 Dremel tool sanding drum remove material inside cowl working back cowl around pipe cutout remove material directly under cutout ie front pipe fairing leaving material will create air dam prevent air entering area under pipe fairing air will want lift cowl fuselage flight Im convinced source some buzzing hear certain airplanes back part cowl constantly being lifted dropped back onto fuselage Immediately behind air dam just created can remove much material would like Just remember leave enough sure grommet secure its mounting After have done sanding remount cowl fuselage admire handiworka perfectly fitted cowl now looks like 16 time remove cowl some acetone remove traces Matched Performance System TOP PERFORMANCE K&B ENGINES AirplaneMarine K&B FUELS K&B GLOW PLUGS 9 Blends4 Cheices Matched Finish System BEST APPFARANCE lallanas FILLER FOXY THINNER 156 Model Aviation UUK KkVUF INVISNIORY AVERAGES OVER 9000 PROPS I PROMPF SHIPMENT ON VISAIMC SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVANARI1 JNflwmIIAIi V RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE h TREAT YOURSELF TO IRON YOU CAN TRUST Black Baron Irons high-tech thermostat reduces temperature drift 5d.. ordinary irons vary up 40 degrees Exclusive roll bars fit fillets undercambers like butter Two stands included %~acbtone coat ng slides COVERITE 420 Babylon Rd Horsham PA 19044 USA wax markings fuselage front old marks no good us now will making new marksso lets get confused 17 Replace cowl front end Vis-a-Vis pen draw outline cowl front fuselage will help us guide engine access hole Remove cowl measure front fuselage back 43/g draw line parallel front nose ring guideline back side cutout Now draw line measuring between 1/8 1/4 inside outer cowl outline will line will cut removing material engine access hole cut hole out Dremel makes 1/8. rounded-tip carbide bit absolutely great cutting fiberglass parts Starting somewhere middle outline go ahead rough cut area out front fuselage still have tool place rough cut area spinner ring after have sanded parting line flush fuselage sand after cut spinner ring stand good chance changing designers thrust line because working much less material removed much easier Cut opening now engine has someplace go try place fuselage Remember remove area around front alignment rivet Now put trusty sanding drum back Dremel sand cutouts just made pleasing outline within confines guidelines drew earlier spinner ring same time spinner ring usually leave between 1/i 3/4 outside edges 18 Lets mount engine firewall now first thing need take old spinner backplate glue /32-in plywood ring back say ring because want thrust washer engine contact back spinner plate plywood ring usually mount some medium CyA cyanoacrylate glue have spinner use just purpose have remove After have racing & MODEL BUILDING 7ERVICE ThADIO CONTROL PRODUCTS carry full line Byron Originals Bob Parkerson Tom Cook Bob Violet products COD Orders Accepted 718 983-9735 128 WATCHOGUE ROAD EN hAlO 0314 will ruin nose cone portion quite few spinners will have plenty backplates use using new spinner just spot glue ring backthe plywood will remove easily enough X-Acto knife 19 time place motor mount fuselage either through cutout made through wing saddle bolt engine through engine access cutout Make sure wipe mounting flats engine mount free balsa fiberglass pieces engine sits flush rails you will putting unwanted thrust offset engine mounting alignment Once engine securely bolted engine mount mount spinner backplate cutoff prop mistake prop carving floor washer nut whole assembly solid piece 20 Next want fit firewall place snug does distort fuselage sides way best way have found setting bench disk sander about five-degree angle going around outside edges firewall Important note Make sure use back firewall guide front 21 engine/spinner combination flush fuselage spinner plate place firewall position wing cutout fits flush back engine mount Take extra care point make sure truly flush firewall does distort fuselage way Use long-handled screwdriver through wing cutout gently tap firewall place flush engine mount Because have already fitted cowl can now use alignment guide head engine placing onto rivets making sure engine centered inside cowl may want wrap couple layers masking tape around engine get snug fit cowl know goes satisfied alignment drop some medium CyA about four different places around engine mount/firewall joint allow dry Dear Fellow Modeler experienced modeler no doubt remember first days hobby Chances some nice modeler reached out lent hand offering advice guidance little moral support Isnt time returned favor GIVE THE GIFT OF FLIGHT year bring someone new hobby special friend people want learn hobby need little encouragement someone like answer questions get started invest little time give back hobby some what has given you will rewarded times over fe effort mission US AirCore help people learn fly sypply rugged planes survive learning experience offer crash guarantee* AirCore 40 Family Trainer Regardless airplane preference hope share belief few hobbies offering friendship enjoyment education modeling has offer George Barker Lawrence Ragan ModeM cafl Ma ,g 4576 Claire Chennault Hangar 7 Dallas TX 75248 214-250-1914 call send details crash guarantee See local hobby dealer Aircore kits New vHS video catalog available $icO plue $300 shipping October1992 157 Alrcore 40 Family Trainer SHOP TASK Original Home Machine Shop Designed USA Shoptask SINCE 1951 PRECISION MODEL PRODUCTS soYA Made USA BARSTOCK ALUMINUM SPINNERS Pan NoSize 11-150-B .. 1-1/2 11-175-B .. 1-3/4 11-200-B 11-225-B .. 2-1/4 11-226-B .. 2-14 FAt . 11-250-B . 2-1/2 11-251-B .. 2-1/2FAI 11275-B .. 2-3/4 11-276-B .. 2-3/4 FAll . 11-300-B3 11-301-B3 FAI 11-325-B /4 11-350-B 3-1/2 11-375-B. 3-3/4 11-400-B4 RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 1595160 oz 1895150oz 1895190oz 2095170oz 2295220oz 2495200at 2595260oz 2895250oz 3695340at 4995470oz 5995520oz 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Availabte Ati Sizes Add $3 00 Per Spinner PROP NUT ADAPTORS Pan No Size TT-140-A . 114-28 11-147-A 28/7mm . 11-610-A 6 x 10mm 11-710-A 7 x 10mm 11-516-A 5/16-24 TI-SiB-A5/16-24/8mm TT-810-A8 x 10mm 11-825-A8x 125mm TI-375-A3/8-24 . TT-125-AlOx 125mm Retail Approx Price Weighi S495 061 ox 495061 ox 495 ox 495. . 082 ox 495076 ox 495 076 ox 495076 ox 495 075 ox 595 .117 ox 595. liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 22 Once CyA has dried remove spinner engine engine mount put both aside moment Now want remove firewalllengine mount assembly fuselage can install blind nuts hold mount place Generally will able remove assembly piece through either engine cutout wing cutout go ahead pop engine mount loose firewall still fuselage Because CyA does stick vecy well engine mount after have removed engine mount will find glue spots will show exactly engine mount firewall before removed will use guide placing engine mount firewall drill mounting holes 23 With engine mount firewall removed fuselage relocate mount firewall mark positions mounting bolts go through firewall drilling holes use I32 bit front assuming using 6-32 mounting bolt backside drill /4 3/t6-in drill bit provide relief blind mounting nuts CT-nuts will using Without relief will find difficult mount T-nuts will take chance splitting wood distorting threads nuts Once holes drilled press mounting nuts place back firewall use some medium CyA around edges secure place careful get CyA inside threads will have replace nuts Now sanding block remove glue flashing front firewall used mount alignment 24 Place firewall back inside fuselage wing cutout bolt engine mount front Once have two pieces together remount engine spinner assembly onto engine mount Before go further double-check alignment before spinner flush spinner ring plywood ring back XOGofiOE SOD ITo RITBOI UDAEA OURABHAFAt$I400 1 ONIOACORRI0O IoOEiOEI.0S20-EI$OFISUER.$IBOORAIr IS $909 CEERIER COORIOE. OoaORR ROU$TLESSt $1900 -NRR ISEHAIEE $4999 E 9C0NT0ST SU004IRIR RACER EO$OI-CRSSAACRO$1999BER4RIREOECB OR CU LACORIITFOOTJES DOUBLE WIT 0-4 JOSFER EREBAIO O-COTOIT WOOD ES ROSTETCE HOOSIER hOT-REST SOAAOW$IAOOUOT 9REOcER-OUORIC-ORRBFASTRLIFT$UAL$$$9.$RR 999. -I 9O"A OCOEO SflEEOSSd AILDTURRRB $9 99 REDO REAA BlUR RESEt IORROCIWEE.$43OOIOgO spinner should still place time double-check alignment engine head cowl 25 Once satisfied alignment tack glue firewall fuselage couple drops medium CyA let assembly diy Once assembly dry remove spinner engine mount airplane leaving firewall place Now mix up slurry Hobbypoxy 2 milled glass working front firewall work glue mixture best can around between firewall fuselage Remember to rough break spot-glue joints hold firewall place Finish off front firewall leaving small glue fillet around entire firewall edge let assembly cure overnight nose fuselage pointed up air Notebe careful leave extra glue engine mount will bolted still have nice smooth flat surface 26 Once fillets have dried front firewall same procedure Hobbypoxy 2 milled glass back firewall steps should take lot glue huge fillet either side firewall adds no strength tremendous amount weight stingy remember building airplane withstand 180-mph crash either 27 Once firewall secure fuselage glue dry time remount engine mount Mix up small batch five-minute epoxy spread onto firewall just prior bolting firewall place provides fuelproofing firewall will also provide hard smooth surface engine mount bolted dry Important Bolt engine mount place glue still wet afterward because will have idea what kind thrust line have 28 I like have front engine mounts secured fuselage well using Nelson mount mounting holes screws come mount need make hold-down cfJjD CANOPI ES TEGRITY SERVICE 3950-A Valley Blvd WALNUT cA91769 714 5941349 594-1471 CALL OR WRITE FOR FREE BROCHURE 158 Model Aviation V 0 POCs GEWERIX ~rE4-mL Iti S NW- II FIGHTER CRUEJUR SERIES FOB 1940 *0100 EEOC4 SI-I $GSEREI RICOH TIISIARECOOC RROAdOSSOACEARORO HERO BT-OUSO NEISREOOE -lEO $ARRjIW NBBT $IAS LONOURNE ~ESCECIUIBE FUN T RC CLIRS WATTlED $399 SIUW CUTOOT FUONIES 911 AUGOLRCICRO ROARER IA ATE ROE 0919-0-DUB BOOR 00090. $3130 FOOTUROB FOWl COWEOT. $ISS3 SLOE 05000 $13 33SOIFREROOR FOAl CO$EOI.$0933 DEIC TWISTOO 000 ABLE PEON DOUR TAR OAIE $OBSORARC 111 RICES RETAIl $U OAOORNWNO ICOCCIEB RIO CBROIIE9 $390 GE O $1500 SHOE $39 Wad lox ERECICOFAEflEERERO FOREICOE SACOBOGRO BOG FAD 000 DORA l$43A1 GIGI-TASTERUOOUOUUEFTOR BElIE OB UAUL FOB FE EBE CATALOG 9000 EBEEOIRA ARCED 900 COT 0 bA III 000 EERIEBId ACS3303TOWER IOU mount t/8-jfl plywood fits inside outline Nelson mount will fit well inside fuselage Make sure mounting plate just barely touches inside fuselage distort fuselage motor mount place Once have accomplished bolt t/s-in plywood plate engine mount glue plate fuselage Hobbypoxy 2 milled glass using Stenberg motor mount another brand has no hold-on holes already provided will have drill tap front motor mount provide Use 6-32 screws drill tap accordingly will also have make two mounting platesone sidebecause other motor mounts extend far enough forward clear bottom engine case Again make plates mount engine mount before glue place fit mount forcing mount fit plates possibly distorting whole assembly Rememberthe solid straight mounting installation power will get out engine 29 running Nelson OS engine will have enlarge cowls kits get fit around heads Hopefully manufacturers working hard solve problem because made fit ST case head need enlarge cowl have relatively painless way Ill tell about engine mounted fuselage try mount cowl Make cutouts either side cowl fit engine installation may take because want remove much material need whole lot Once cowl sits fuselage satisfactorily engine place make sure have least 1/16 clearance around cutouts just made air may pass between modification engine case head 30 Remove cowl wrap engine head case about four layers masking tape top masking tape secure some Saran Wrap use brand works best everything will talk about article glue will stick engine tape Now cut couple swatches 6-oz cloth big enough cover holes made enlargement What going use engine inside mold enlargement need 31 Once have fiberglass pieces cut out mix up some Hobbypoxy 2 no filler right now Soak fiberglass pieces epoxy resin wrap around exposed engine head After have fiberglass engine head go ahead remount cowl being careful displace fiberglass around head Once cowl seated fuselage carefully work cloth contact inside cowl let assembly set up about three hours time will have firmed up completely hard 32 Now mix up batch Hobbypoxy 2 microballoons fairly thick paste will used filler outside enlargements Go ahead put slurry mixture over top fiberglass cloth making sure have plenty material sand after dries too shy otherwise may take couple nights get enough material make look good Let dry overnight remove cowl airplane Remove tape Saran Wrap engine replace cowl fuselage should fit just fine now thing left being sand outside cowl has pleasing appearance slight bulge over original Congratulations should now have front end fits well aligned great looks perfect want inside scoop stories like along being member organization responsible have Pylon Racing today Heres can join NMPRA Send name address phone number AMA number interest F-i QM Q500 FAT Ron Shorr 5224 Teesdale North Hollywood CA 91607 Include $15 nonflying SHIPPING & HANDLING UPS Ground Continental US $495 UPS Air & Parcel Post $495 plus 10% Subtotal Continental US UPS Nest Day Air $1400 plus $100 per lb Shipment total COD add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal October1992 159 1-b b.s1 3 ROLLED PLANS i/e-niso - INSTR l/941tso PbS I5CL11O~in SPLIGtt7 It3U5T51/9 O.55A255510 1-6 lb 1116 iteodnos LoneSPOIl 1 7nIle 2 o Corn O ibilt op Chatt Itt 371330011 5000 500 633 622130im 253O 1.7555 5o1 ond ill membership $30 flying membership $33 outside US See next month y M81/z Continued page 72 Note used three-pin Deans connector rather charging jack furnished HiLine because other modelsand field connectoruse Deans plug isnt necessary keep charger connected after charging Simply insert plug has two pins shorted KMI IS THE LARGEST AND BEST EQUIPPED INDEPENDENT RC SERVICE AND REPAIR CENTER IN THE USA repair major brands new older models WE ARE FACTORY AUTHORIZED WARRANTY SERVICE FOR AIRTRONICS ACE AND HITEC stock genuine factory replacement parts EXCLUSIVE SERVICE AND SALES OF RCD-KMI 6 METER RECEIVERS 1991 Gold Sticker narrowband frequency upgrades-station #21 stock crystals 1 03 different frequen cies SEND SAE FOR COMPLETE PRICE REPAIR AND PRODUCT INFORMATION CALL FOR RUSH SERVICE together establish circuit continuity will start motor flight Test-flying Select calm day area covered proverbial tall grass Remove prop glide model wind gentle firm launch Make necessary adjustments glide path shimming leading edge stabilizer up down appropriate youre satisfied glide path reinstall prop still over tall grass try first powered flightbut partial 30% charge have correct amount right thrust model may circled either direction Like cabin models though seems prefer $ 9995 8 Ch 50 53 72 75 Mhz 2-wheel gear ycle 1 7995 includes amplifier Kraft Midwest Inc 115 E Main Northville MI 48167 313/348-0085 313/348-4175 left-hand circles Gradually increase charging time making trim adjustments necessary Warning rudder very sensitive find initial right thrust downthrust incorrect remove nose block dissolve model cement thinner reposition motor youre completely satisfied thrust line permanently install motor CyA glue nose block fuselage four small dabs cement corner model came out heavier desired 50 grams faint heart craft will fly just wellmaybe better motor will run just well harm three cells So relax have fun Fly Electric cale Continued page 75 overlapped before binding Drying could done overnight microwave both thicknesses sliced through razor blade overlapped balsa will match up nicely Getting skin off form done splitting part crosswise front spar wing addition split rear peg install bulkhead rear peg reinforcement finish off model Len partially planked cockpit fuselage fourpound balsa sheet covered model JCI silver tissue made three bladed props plastic flower pot Ducted-fan FF Scale seems to stay Ferrell Papics profile Heinkel HE 178 has flying couple years two Ferrels tiny modified motors never much altitude year hes put Astro 02 extra power really gets model up Interested getting started Electric Constant testing refinements have made Electric very attractive single- multiengined Scale models flight duration can controlled length charge Ni-Cd batteries Need power Usually adding another cell will trick As long allow engine turn up dont overload too-big prop problems will practically nil Three light FF systems can replace venerable Astro 02 has off market few years VL Products 7871 Alabama No 16 Canoga Park CA 91304 catalog $1 has excellent proven geared motor Peck-Polymers PO Box 710399 Santee CA 92072 has motor famed its low power requirements Send $3 Peck-Polymers catalog 160 Model Aviation 1991 KMI MINI ULTRA AM RECEIVER KMI RETRACTS A