Scale Bob Dolly Wischer SCALE DOCUMENTATION Requests information regarding documentation material continue arrive mailbox Doubts usually arise hearts competition Sport Giant Scale modelers faced having supply photos obscure aircraft have neglected histori cal information three-view drawing available drawing shows color data photos arent required three-view drawing alone complete documentation becomes one-sheet presentation supplement drawing some modelers will include several additional sheets printed data about prototype realizing judges have very little time extensive reading consider judge would have spend time absorbing printed material would much less time actual comparisons drawing photos model contestants benefit distract judges duties including ex traneous material presentation six-page maximum limit documenta tion intended shorten judging time written material Heres Bob made beautiful canopy Scale Trainer 1 baisa biocks giued up ready carving canopy form Card board tempiates determine carved shapes tempiates drawn aid multi-wire contour gauge used find exact shape rear fuseiage turtie deck canopy bow hardware stores carry gauges Carved finished baisa canopy form R has several coats auto primer over resin base ultra-smooth finish s pine plug bottom form fastening wood screws well see theyre used later See the form screwed board turn clamped table edge near oven plastic sheet going warmed 1 form warmed hair dryer just before hot plastic sheet draped over Next R heated plastic sheat transferred oven quickly wrap p ad around form using sweeping downward motion stretching canopy shape Considerable force required Too much force canopy stretches thin 46 Model Aviation Bobs latest scalalike trainer resembles Italian Freti Faico spans 68 weighs 9 lb has HP 61 engine Goldberg retracts Note baautifui canopy U judges should expected read signed declaration listing major com ponents model made builder declaration six pages presentation unless page also used describe details color markings reliable source other such data Short notes few words can used three-view photos direct judges attention something importance generally can expected lengthy written infor mation will ignored drawing isnt available photos may substituted must show shapes sufficient detail model can properly judged exam ple side view photo will serve inform judges wing stabilizer shapes common error has proven undoing some fine examples contest modeling furnish quantity photos depict exact airplane modeled Using photos variety prototypes cer tainly permissible show details shapes photos should exact airplane modeled preferable photos subject aircraft permit checking location markings color separation lines angles view rule states specifically selection photos aircraft modeled beginning Sport Scale era six-page maximum documentation thought limitation avoid oversupply material recent obser vation presentation booklets has shown greatest proportion contestants have difficulty filling few pages Its true rule book states three-view plastic model few photos will suffice individual items three can offered separately other hand modeler serious about making favor able impression judges giving worthwhile information best supply combination items great est value collection sharp clear photos need color fact prototypes of models seen contests built before color photos hand However some sort color documentation absolute necessity good static score Condnued page 129 BYRON ORIGINALS h Go, Ph iii ThA Full Line Catalog glance through catalog will prove Byron Originals recognized quality world over since picture worth thousand words have packed catalog full color black white photos highly descriptive illustrations well Youll pleased see new products improvements have joined family scale aircraft propulsion systems related accessories talk about value dollars Check factory direct prices competitive pricing industry ts exclusive accessories standard hobby items such finishing materials glues Dont delay Order Byron Originals catalog today Simply send $300 Byron OriginalsPO Box 279Ida Grove Iowa 51445 Set Standards Model Aviation October 1985 47 Success tinished canopy glued fuselage WiIhoId RIC56 glue canopy edges masked painted windshield separate molding THATS RIGHT! ~The MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute d still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LUUAL HOBBY SHOP 6dd4a 7m5boiu4 % P 0 Box 28247 New Orleans LA 70186 42-5967 RC Scale/Wischers Continued page 47 time column published rule regarding size docu mentation three-view drawing will have changed past three-view sheet size limited 8 /2 x 11 multi-sheet drawing meant less space could devoted photos changed rule will state three-view can size will count sheet six allowable presen tation After drawing still another five sheets proof color photos remove doubts minds judges fill presentation space photos showing shapes color lines mark ings relative sizes Some modelers consider smart keep judges guess ing using minimum material booklet An accurate model ade quate proof accuracy really route highest possible score However isnt prudent use photos show items missing model Molded canopy canopy Bobs new scalelike trainer largest have ever molded Size limited width kitchen oven will accept blank sheet acrylic Plexiglas buty rate sheet about 16-in square Acrylic sheet 031 thick has self-adhesive paper protection both surfaces sheet cut scoring deeply sharp blade surface after bent over table edge crack through much same manner cutting glass After cutting size paper backing removed Wood strips A-in square screwed along opposite edges plastic sheet about three-in centers provide grip pressure can applied stretching hot plastic later Drill through acrylic sheet carefully tends shatter mild abuse clamp wood strips top bot tom plastic drilling through wood screws Hooks threaded wood assembly can hung oven horizontal position heated plastic will forcefully draped over wooden form exact shape desired canopy Force needed because canopy has com pound curves side-to-side well foreand-aft use balsa form soft wood lends itself carving can used form shape estab lished later checked cardboard templates outlines fit fuselage advantage type formed canopy will fit snugly fuselage doesnt need clamped place cement hardens few pieces masking tape hold its edges form given smooth finish Polyester resin will harden surface followed several coats filler use auto body filler After sanding perfect finish no wood grain show ing no 180 no 320 silicon car bide paper final coat clear epoxy produces ultra-smooth surface form must absolutely clean blemish-free canopy speck dust leaves tiny pimple softened plastic canopy material visible wood grain will offset Mount wood form 1 x 2-in pine board clamp table top form suspended over clear space table edge will permit Continued page 133 FAI RUBBER Sizes 114 3/16 118 3/32 1/16 042 thick pound box Price $1300 FREE4oz bottle SLICK rubber lube per box Postpaid UPS USA KSB TIMERS ~5SB FUELSHUTOF 5 -~ 30 SEC $1195 EMIN DI $1195 1985 catalog 75a Cal add 6% tax FAIModel Supply U P0 8093957TORRANCECA90510 October 1985 129 ii HEAPUCHEI-\h! — Coupe VAle $2395 plus ups MAM MOTH SCALE PLANS CESSNA 180 108 WingspanBOEING F4B2 90 Wingspan CURTISS P409 102 WingspanDOUGLAS 025C 80 Wingspan BERLINER/JOYCE P-16 1025F/W FW56 Stosser 1035 Span PAZMANY PL-4 105 WingspanWACO/YKS-6 -99 Wingspan F/W FW44J Stieglitz 895 SpanRYAN S-C -112 Wingspan DOUGLAS AJN Skyraider 120T-28B 102 Wingspan SHOESTRING 95 WingspanSTEVENS AKRO -100 Wingspan F6F HELLCAT -98 WingspanWATERMAN ARROWBILE 92 Span Plans mailed air rolled heavy-duty tube P40 T28B Skyraider Heiicat Stevens Acro $3300 Au others $2400 Please add $500 postage handling California residents add 6/a sales tax Overseas orders add $1200 air postage MAMMOTH SCALE PLANS 3351 Pruneridge Ave Santa Ciara CA 95051 244-5814 RC Scale/Wischers Continued page 129 heated plastic wrapped around form bottom Oven form should close proximity minimize cooling time air transferring plastic sheet plastic sheet oven heat form hair dryer Too much heat epoxy finish may blis ter cold form will cool plastic complete canopy cannot draped quick downward sweep arms Oven temperature should 2500 300 F Watch plastic softens begins sag its own weight may some smoke visible canopy material during heating indi cating ready forming Too much smoke material overheat ed order stretch over compoundcurved surface plastic must uniformly rubbery slightly stiff sure easy conformity form really soft place back oven heating time canopy isnt completely contact form due premature cooling can returned oven re-softened Heat will bring back almost its original rectangular shape can used again Wear gloves stretching operation screw heads very hot plastic cools room temperature minute process can accel erated switching hair dryer its cold setting first seconds after forming though still quite warm plastic has already taken set will change shape Throughout forming process its best have helper After cooling removal wood strips acrylic can cut Dremel grind er using abrasive cut-off discs finetoothed circular saw cutting bit must done great care sudden slip cutter can easily cause crack Dont try scissors Acrylic material will shatter splinter Butyrate sheet less brittle can cut scissors prefer acrylic its long life scratch resistance clear transparency striations Dress edges final shape sandpaper block must also done caution slip sandpaper can quickly ruin new canopy prefer fasten canopy finished painted model using Wilhold R/C-56 glue because adheres well smooth surfaces retains rubberlike prop erties dries clear Spread narrow band 1A8 1/ wide along canopy edges lay carefully place using small scraps masking tape hold edges point becomes apparent perfectly-fitted canopy made mold tremendous advantage An illfitting canopy can real headache trying glue fuselage R/C-56 dries quite slowly because trapped between plastic paint course cabin details instrument panels dummy pilot must already place use small vacuum-formed clear plastic scoop vents lower corners canopy ventilate its interior Without adequate ventilation water will condense inside whenever model exposed sunlight vents also serve relieve pressure inside suns heat could blow sealed canopy off fuselage large canopy flown high speed considerable lift developed over its upper surface have seen some depart sud denly airplane Holes ventila tion must made canopy before fastening model have tried afterward have found bits plastic stuck canopy interior static attraction permanently tached Glue joints covered paint match fuselage color Panel lines letter requested informa tion about application panel lines models using pen-and-ink method Black India ink lines drawn drafts mans ruling pen too contrasty look realistic tend appear exag gerated boldness light-colored sur faces dark colors intense black India ink isnt easily seen advantage ink ease application especially ink intended drawings drafting mylar film An example type Koh-I-Noor Rapid0-Ink film waterproof less likely chip off final protective coat clear epoxy would recommended Less conspicuous realistic lines other colors such gray Paint must quite thin applied rul ing pen Floquil model railroad paint thin comes bottle prob ably would need little thinning fuel proof adheres well may need no overcoating epoxy Use ruling pen may need explana tion pen has adjustment screw regulaje line width Ink paint placed between pens nibs applicator cap ink bottle using paint add between nibs toothpick Either ink paint must ap plied model quickly will dry pen tip refuse flow happens can sometimes urged flow squeezing nibs together fingers break solidifying liquid tip Another method adding panel lines very narrow strips self-adhesive tape beneath paint produces panel line stands slightly above sur rounding surface quite easily seen distance Viewed close up seems exaggerated tape can narrow 015 030 normally used laying out printed circuit boards design stage found drafting supply houses Heavy paint over strips will tend disguise edges preferred method panel lines heavy primer applied along strip OUR INVENTORY AVERAGES OVER 8000 PROPS! MORE THAN 60 SIZESIII FAR MORE THAN ANY OTHER DEALER OR DISTRIBUTOR! SPECIAL PRO SERIESPOUR-CYCLE TAILORED HELICAL PITCH DIAPITCHPRICE DIAPITCHPRICE 634158 728339456169 126 69 7798279 83 3&3/4 4568 178 1367798348 898697188 1467798448 84566* 779188 158 7658 184 56 69 7188 186 7848 II6W 8W188 188EW288PYLON RACING 114 6 IAPITCHPRICE 7&3/4 8288 118EW2187SN 59N258 119872188&3/469 CR3147 125 5W. 825879 7&3/4368 135 832887 79 7&3/4268 145 8428 IS58828WW8IebZ~ 1887818 EWE48WHbkNe 18Noflb&XIC ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INO WAlES INVITED SOCIETY OF ANTIQUE MODELERS MA TERIALS REPLICA OR WICK ENGINES IGNITION CCESSORIES CARBON FIBER October 1985 133 WHY SETTLE FOR LESS FLY THE VERY BEST! MORE NATIONAL CHAMPIONS USE REV-UP PROPS YEAR IN AND YEAR OUT THAN ALL OTHER BRANDS COMBINED! SPECIALISTS IN cOX TD & REED ENGINES STD & A/C COMPLETE INVENTORY OF CUSTOM & STOCK PARTS Tuned Pipe Clamp $250** pipe included 8 oz $4 95* perfect basic trainer can flown three mistakes high still seen Balna ply conatruction 72 apan 106 sq in$9995 Powar 75-12 CU ifl Perfectfor4 cycle Dealer Inquiry Invted 1728 lywood SE Canton OH 44707 Send Si forCatalog 84-6810 H MFG A masking tape After drying primer sanded down tape level feath ered adjacent area tape removed line edge remaining primer stands above model surface amount tape thickness pronounced lines use double layers tape Heavy paint buildup over lines tends hide therefore light coats should added Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Electrics/Kopski Continued page 49 better plane am pilot Its sheer delight air crowd-pleaser besides Lets look closely its par ticulars Exciter about same 'i Eurekaboth have 600 sq wings comparable moments tail feathers Exciter has time-honored NACA 2412 wing section la Falcon instead thick flat-bottom energy source 15-cell 12 Ah pack Motiva tion Astro 40 cobalt Robbe 50/14 cobalt Controls aileron elevator rudder electronic throttle original design Props have ranged 9 x 6 10 x 5 All-up weight 81 oz wing load ing 195 oz/sq ft honors Rules Thumb Results terrific Now some performance particulars Exciter does common stuff com fortable touch-and-goes easy rolls con secutive inside outside loops square loops Inverted breeze Snaps just Stall turns no sweat has aggressive takeoff grass almost /2 horsepower input available also very wide speed rangeand no exag geration siz~ long does fly 70 flights date 60 select ed representative Ten longest shortest flights dropped non represenative since test flights short charges etc 60 flights numerically averaged resulting average flight time takeoff taxi roll final touch 4 mm 54 sec fly ing generally mixture maneu vers mentioned above play throt tle allocate power needed gives what need need maxi mizes flight time such flights Regarding playing its interest ing note got used plane flights got better acro batically also longer duration example flight times about itial third Exciters total flights average about 4 mm 40 sec re cent third averages about 5 mm 10 sec done safe charging technique make no effort what soever input peak chargeeach flights 15-minute charge constant 42 Amps Now test flights mentioned Rule Thumb No 1 predicts Exciter should cruise ie just maintain level flight somewhat over 10 minutes charge described above test ed two flights different days wherein merely circled field low altitude playing throttle just maintain altitude two flight times logged 11 mm 1 sec 11 mm 32 sec considered close agreement prediction came out favorable side made flight low level circles full bore result 3 mm 36 sec flight very comfort able range maximum-available mini mum-required flight power usage Fur ther flight time average 4 mm 54 sec mentioned above just about predicted maximum time agrees guideline doubling calcu lated power-to-cruise good flights Exciter 1 unqualified success After theres much left say except can too dont have plans available planes sincerely feel Rules Thumb very good guidelines should always put ballpark achieving successful Electriclarge small may have scratch-build did Eureka Exciter besides rewards worth have some appealing kit mind mindful kits heavy another Rule Thumb youll no doubt have some modifying construction substitution material Remember importance weight Electric power system typically 40% 60% weight com pleted Electricthe covered model radio other half approximately Exciter power system weighs 29 oz battery plus 14 oz motor plus two ounces miscellaneous wiring etc about 54% total model weight memorable satisfac tions Exciter has given date opportunity comment glowingly friend fellow modeler greasy skeptic Bruce Im closing gap normally vocal greasy gasminded friend normally scoffs friendly way Electric endeavors seen several Exciter flights now no comment other mutter ing something about wheel choice looking good Im now working wheels Basic electricIty previous August 1985 installment continuing miiseries examined analog meter movements application multimeters seen various ranges multimeter accomplished switching various external resistors circuit meter movement also learned basic meter move ments require exceptionally small amounts power operate full-scale 134 Model Aviation THE ONE THAT WORKS PRO-CLAM P ITS SNAP CLEANERPolisher SUPER SHINE SUPER SLICK Glider Pilots Take Note Brass Tubing Replacement HEAT BENDABLE KZ Line CAdd $175 Add $050 Shipping Handling Dealer-Dist Inquiries Invited Jr STICKmwiw
Edition: Model Aviation - 1985/10
Page Numbers: 46, 47, 129, 133, 134
Scale Bob Dolly Wischer SCALE DOCUMENTATION Requests information regarding documentation material continue arrive mailbox Doubts usually arise hearts competition Sport Giant Scale modelers faced having supply photos obscure aircraft have neglected histori cal information three-view drawing available drawing shows color data photos arent required three-view drawing alone complete documentation becomes one-sheet presentation supplement drawing some modelers will include several additional sheets printed data about prototype realizing judges have very little time extensive reading consider judge would have spend time absorbing printed material would much less time actual comparisons drawing photos model contestants benefit distract judges duties including ex traneous material presentation six-page maximum limit documenta tion intended shorten judging time written material Heres Bob made beautiful canopy Scale Trainer 1 baisa biocks giued up ready carving canopy form Card board tempiates determine carved shapes tempiates drawn aid multi-wire contour gauge used find exact shape rear fuseiage turtie deck canopy bow hardware stores carry gauges Carved finished baisa canopy form R has several coats auto primer over resin base ultra-smooth finish s pine plug bottom form fastening wood screws well see theyre used later See the form screwed board turn clamped table edge near oven plastic sheet going warmed 1 form warmed hair dryer just before hot plastic sheet draped over Next R heated plastic sheat transferred oven quickly wrap p ad around form using sweeping downward motion stretching canopy shape Considerable force required Too much force canopy stretches thin 46 Model Aviation Bobs latest scalalike trainer resembles Italian Freti Faico spans 68 weighs 9 lb has HP 61 engine Goldberg retracts Note baautifui canopy U judges should expected read signed declaration listing major com ponents model made builder declaration six pages presentation unless page also used describe details color markings reliable source other such data Short notes few words can used three-view photos direct judges attention something importance generally can expected lengthy written infor mation will ignored drawing isnt available photos may substituted must show shapes sufficient detail model can properly judged exam ple side view photo will serve inform judges wing stabilizer shapes common error has proven undoing some fine examples contest modeling furnish quantity photos depict exact airplane modeled Using photos variety prototypes cer tainly permissible show details shapes photos should exact airplane modeled preferable photos subject aircraft permit checking location markings color separation lines angles view rule states specifically selection photos aircraft modeled beginning Sport Scale era six-page maximum documentation thought limitation avoid oversupply material recent obser vation presentation booklets has shown greatest proportion contestants have difficulty filling few pages Its true rule book states three-view plastic model few photos will suffice individual items three can offered separately other hand modeler serious about making favor able impression judges giving worthwhile information best supply combination items great est value collection sharp clear photos need color fact prototypes of models seen contests built before color photos hand However some sort color documentation absolute necessity good static score Condnued page 129 BYRON ORIGINALS h Go, Ph iii ThA Full Line Catalog glance through catalog will prove Byron Originals recognized quality world over since picture worth thousand words have packed catalog full color black white photos highly descriptive illustrations well Youll pleased see new products improvements have joined family scale aircraft propulsion systems related accessories talk about value dollars Check factory direct prices competitive pricing industry ts exclusive accessories standard hobby items such finishing materials glues Dont delay Order Byron Originals catalog today Simply send $300 Byron OriginalsPO Box 279Ida Grove Iowa 51445 Set Standards Model Aviation October 1985 47 Success tinished canopy glued fuselage WiIhoId RIC56 glue canopy edges masked painted windshield separate molding THATS RIGHT! ~The MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute d still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LUUAL HOBBY SHOP 6dd4a 7m5boiu4 % P 0 Box 28247 New Orleans LA 70186 42-5967 RC Scale/Wischers Continued page 47 time column published rule regarding size docu mentation three-view drawing will have changed past three-view sheet size limited 8 /2 x 11 multi-sheet drawing meant less space could devoted photos changed rule will state three-view can size will count sheet six allowable presen tation After drawing still another five sheets proof color photos remove doubts minds judges fill presentation space photos showing shapes color lines mark ings relative sizes Some modelers consider smart keep judges guess ing using minimum material booklet An accurate model ade quate proof accuracy really route highest possible score However isnt prudent use photos show items missing model Molded canopy canopy Bobs new scalelike trainer largest have ever molded Size limited width kitchen oven will accept blank sheet acrylic Plexiglas buty rate sheet about 16-in square Acrylic sheet 031 thick has self-adhesive paper protection both surfaces sheet cut scoring deeply sharp blade surface after bent over table edge crack through much same manner cutting glass After cutting size paper backing removed Wood strips A-in square screwed along opposite edges plastic sheet about three-in centers provide grip pressure can applied stretching hot plastic later Drill through acrylic sheet carefully tends shatter mild abuse clamp wood strips top bot tom plastic drilling through wood screws Hooks threaded wood assembly can hung oven horizontal position heated plastic will forcefully draped over wooden form exact shape desired canopy Force needed because canopy has com pound curves side-to-side well foreand-aft use balsa form soft wood lends itself carving can used form shape estab lished later checked cardboard templates outlines fit fuselage advantage type formed canopy will fit snugly fuselage doesnt need clamped place cement hardens few pieces masking tape hold its edges form given smooth finish Polyester resin will harden surface followed several coats filler use auto body filler After sanding perfect finish no wood grain show ing no 180 no 320 silicon car bide paper final coat clear epoxy produces ultra-smooth surface form must absolutely clean blemish-free canopy speck dust leaves tiny pimple softened plastic canopy material visible wood grain will offset Mount wood form 1 x 2-in pine board clamp table top form suspended over clear space table edge will permit Continued page 133 FAI RUBBER Sizes 114 3/16 118 3/32 1/16 042 thick pound box Price $1300 FREE4oz bottle SLICK rubber lube per box Postpaid UPS USA KSB TIMERS ~5SB FUELSHUTOF 5 -~ 30 SEC $1195 EMIN DI $1195 1985 catalog 75a Cal add 6% tax FAIModel Supply U P0 8093957TORRANCECA90510 October 1985 129 ii HEAPUCHEI-\h! — Coupe VAle $2395 plus ups MAM MOTH SCALE PLANS CESSNA 180 108 WingspanBOEING F4B2 90 Wingspan CURTISS P409 102 WingspanDOUGLAS 025C 80 Wingspan BERLINER/JOYCE P-16 1025F/W FW56 Stosser 1035 Span PAZMANY PL-4 105 WingspanWACO/YKS-6 -99 Wingspan F/W FW44J Stieglitz 895 SpanRYAN S-C -112 Wingspan DOUGLAS AJN Skyraider 120T-28B 102 Wingspan SHOESTRING 95 WingspanSTEVENS AKRO -100 Wingspan F6F HELLCAT -98 WingspanWATERMAN ARROWBILE 92 Span Plans mailed air rolled heavy-duty tube P40 T28B Skyraider Heiicat Stevens Acro $3300 Au others $2400 Please add $500 postage handling California residents add 6/a sales tax Overseas orders add $1200 air postage MAMMOTH SCALE PLANS 3351 Pruneridge Ave Santa Ciara CA 95051 244-5814 RC Scale/Wischers Continued page 129 heated plastic wrapped around form bottom Oven form should close proximity minimize cooling time air transferring plastic sheet plastic sheet oven heat form hair dryer Too much heat epoxy finish may blis ter cold form will cool plastic complete canopy cannot draped quick downward sweep arms Oven temperature should 2500 300 F Watch plastic softens begins sag its own weight may some smoke visible canopy material during heating indi cating ready forming Too much smoke material overheat ed order stretch over compoundcurved surface plastic must uniformly rubbery slightly stiff sure easy conformity form really soft place back oven heating time canopy isnt completely contact form due premature cooling can returned oven re-softened Heat will bring back almost its original rectangular shape can used again Wear gloves stretching operation screw heads very hot plastic cools room temperature minute process can accel erated switching hair dryer its cold setting first seconds after forming though still quite warm plastic has already taken set will change shape Throughout forming process its best have helper After cooling removal wood strips acrylic can cut Dremel grind er using abrasive cut-off discs finetoothed circular saw cutting bit must done great care sudden slip cutter can easily cause crack Dont try scissors Acrylic material will shatter splinter Butyrate sheet less brittle can cut scissors prefer acrylic its long life scratch resistance clear transparency striations Dress edges final shape sandpaper block must also done caution slip sandpaper can quickly ruin new canopy prefer fasten canopy finished painted model using Wilhold R/C-56 glue because adheres well smooth surfaces retains rubberlike prop erties dries clear Spread narrow band 1A8 1/ wide along canopy edges lay carefully place using small scraps masking tape hold edges point becomes apparent perfectly-fitted canopy made mold tremendous advantage An illfitting canopy can real headache trying glue fuselage R/C-56 dries quite slowly because trapped between plastic paint course cabin details instrument panels dummy pilot must already place use small vacuum-formed clear plastic scoop vents lower corners canopy ventilate its interior Without adequate ventilation water will condense inside whenever model exposed sunlight vents also serve relieve pressure inside suns heat could blow sealed canopy off fuselage large canopy flown high speed considerable lift developed over its upper surface have seen some depart sud denly airplane Holes ventila tion must made canopy before fastening model have tried afterward have found bits plastic stuck canopy interior static attraction permanently tached Glue joints covered paint match fuselage color Panel lines letter requested informa tion about application panel lines models using pen-and-ink method Black India ink lines drawn drafts mans ruling pen too contrasty look realistic tend appear exag gerated boldness light-colored sur faces dark colors intense black India ink isnt easily seen advantage ink ease application especially ink intended drawings drafting mylar film An example type Koh-I-Noor Rapid0-Ink film waterproof less likely chip off final protective coat clear epoxy would recommended Less conspicuous realistic lines other colors such gray Paint must quite thin applied rul ing pen Floquil model railroad paint thin comes bottle prob ably would need little thinning fuel proof adheres well may need no overcoating epoxy Use ruling pen may need explana tion pen has adjustment screw regulaje line width Ink paint placed between pens nibs applicator cap ink bottle using paint add between nibs toothpick Either ink paint must ap plied model quickly will dry pen tip refuse flow happens can sometimes urged flow squeezing nibs together fingers break solidifying liquid tip Another method adding panel lines very narrow strips self-adhesive tape beneath paint produces panel line stands slightly above sur rounding surface quite easily seen distance Viewed close up seems exaggerated tape can narrow 015 030 normally used laying out printed circuit boards design stage found drafting supply houses Heavy paint over strips will tend disguise edges preferred method panel lines heavy primer applied along strip OUR INVENTORY AVERAGES OVER 8000 PROPS! MORE THAN 60 SIZESIII FAR MORE THAN ANY OTHER DEALER OR DISTRIBUTOR! SPECIAL PRO SERIESPOUR-CYCLE TAILORED HELICAL PITCH DIAPITCHPRICE DIAPITCHPRICE 634158 728339456169 126 69 7798279 83 3&3/4 4568 178 1367798348 898697188 1467798448 84566* 779188 158 7658 184 56 69 7188 186 7848 II6W 8W188 188EW288PYLON RACING 114 6 IAPITCHPRICE 7&3/4 8288 118EW2187SN 59N258 119872188&3/469 CR3147 125 5W. 825879 7&3/4368 135 832887 79 7&3/4268 145 8428 IS58828WW8IebZ~ 1887818 EWE48WHbkNe 18Noflb&XIC ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INO WAlES INVITED SOCIETY OF ANTIQUE MODELERS MA TERIALS REPLICA OR WICK ENGINES IGNITION CCESSORIES CARBON FIBER October 1985 133 WHY SETTLE FOR LESS FLY THE VERY BEST! MORE NATIONAL CHAMPIONS USE REV-UP PROPS YEAR IN AND YEAR OUT THAN ALL OTHER BRANDS COMBINED! SPECIALISTS IN cOX TD & REED ENGINES STD & A/C COMPLETE INVENTORY OF CUSTOM & STOCK PARTS Tuned Pipe Clamp $250** pipe included 8 oz $4 95* perfect basic trainer can flown three mistakes high still seen Balna ply conatruction 72 apan 106 sq in$9995 Powar 75-12 CU ifl Perfectfor4 cycle Dealer Inquiry Invted 1728 lywood SE Canton OH 44707 Send Si forCatalog 84-6810 H MFG A masking tape After drying primer sanded down tape level feath ered adjacent area tape removed line edge remaining primer stands above model surface amount tape thickness pronounced lines use double layers tape Heavy paint buildup over lines tends hide therefore light coats should added Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Electrics/Kopski Continued page 49 better plane am pilot Its sheer delight air crowd-pleaser besides Lets look closely its par ticulars Exciter about same 'i Eurekaboth have 600 sq wings comparable moments tail feathers Exciter has time-honored NACA 2412 wing section la Falcon instead thick flat-bottom energy source 15-cell 12 Ah pack Motiva tion Astro 40 cobalt Robbe 50/14 cobalt Controls aileron elevator rudder electronic throttle original design Props have ranged 9 x 6 10 x 5 All-up weight 81 oz wing load ing 195 oz/sq ft honors Rules Thumb Results terrific Now some performance particulars Exciter does common stuff com fortable touch-and-goes easy rolls con secutive inside outside loops square loops Inverted breeze Snaps just Stall turns no sweat has aggressive takeoff grass almost /2 horsepower input available also very wide speed rangeand no exag geration siz~ long does fly 70 flights date 60 select ed representative Ten longest shortest flights dropped non represenative since test flights short charges etc 60 flights numerically averaged resulting average flight time takeoff taxi roll final touch 4 mm 54 sec fly ing generally mixture maneu vers mentioned above play throt tle allocate power needed gives what need need maxi mizes flight time such flights Regarding playing its interest ing note got used plane flights got better acro batically also longer duration example flight times about itial third Exciters total flights average about 4 mm 40 sec re cent third averages about 5 mm 10 sec done safe charging technique make no effort what soever input peak chargeeach flights 15-minute charge constant 42 Amps Now test flights mentioned Rule Thumb No 1 predicts Exciter should cruise ie just maintain level flight somewhat over 10 minutes charge described above test ed two flights different days wherein merely circled field low altitude playing throttle just maintain altitude two flight times logged 11 mm 1 sec 11 mm 32 sec considered close agreement prediction came out favorable side made flight low level circles full bore result 3 mm 36 sec flight very comfort able range maximum-available mini mum-required flight power usage Fur ther flight time average 4 mm 54 sec mentioned above just about predicted maximum time agrees guideline doubling calcu lated power-to-cruise good flights Exciter 1 unqualified success After theres much left say except can too dont have plans available planes sincerely feel Rules Thumb very good guidelines should always put ballpark achieving successful Electriclarge small may have scratch-build did Eureka Exciter besides rewards worth have some appealing kit mind mindful kits heavy another Rule Thumb youll no doubt have some modifying construction substitution material Remember importance weight Electric power system typically 40% 60% weight com pleted Electricthe covered model radio other half approximately Exciter power system weighs 29 oz battery plus 14 oz motor plus two ounces miscellaneous wiring etc about 54% total model weight memorable satisfac tions Exciter has given date opportunity comment glowingly friend fellow modeler greasy skeptic Bruce Im closing gap normally vocal greasy gasminded friend normally scoffs friendly way Electric endeavors seen several Exciter flights now no comment other mutter ing something about wheel choice looking good Im now working wheels Basic electricIty previous August 1985 installment continuing miiseries examined analog meter movements application multimeters seen various ranges multimeter accomplished switching various external resistors circuit meter movement also learned basic meter move ments require exceptionally small amounts power operate full-scale 134 Model Aviation THE ONE THAT WORKS PRO-CLAM P ITS SNAP CLEANERPolisher SUPER SHINE SUPER SLICK Glider Pilots Take Note Brass Tubing Replacement HEAT BENDABLE KZ Line CAdd $175 Add $050 Shipping Handling Dealer-Dist Inquiries Invited Jr STICKmwiw
Edition: Model Aviation - 1985/10
Page Numbers: 46, 47, 129, 133, 134
Scale Bob Dolly Wischer SCALE DOCUMENTATION Requests information regarding documentation material continue arrive mailbox Doubts usually arise hearts competition Sport Giant Scale modelers faced having supply photos obscure aircraft have neglected histori cal information three-view drawing available drawing shows color data photos arent required three-view drawing alone complete documentation becomes one-sheet presentation supplement drawing some modelers will include several additional sheets printed data about prototype realizing judges have very little time extensive reading consider judge would have spend time absorbing printed material would much less time actual comparisons drawing photos model contestants benefit distract judges duties including ex traneous material presentation six-page maximum limit documenta tion intended shorten judging time written material Heres Bob made beautiful canopy Scale Trainer 1 baisa biocks giued up ready carving canopy form Card board tempiates determine carved shapes tempiates drawn aid multi-wire contour gauge used find exact shape rear fuseiage turtie deck canopy bow hardware stores carry gauges Carved finished baisa canopy form R has several coats auto primer over resin base ultra-smooth finish s pine plug bottom form fastening wood screws well see theyre used later See the form screwed board turn clamped table edge near oven plastic sheet going warmed 1 form warmed hair dryer just before hot plastic sheet draped over Next R heated plastic sheat transferred oven quickly wrap p ad around form using sweeping downward motion stretching canopy shape Considerable force required Too much force canopy stretches thin 46 Model Aviation Bobs latest scalalike trainer resembles Italian Freti Faico spans 68 weighs 9 lb has HP 61 engine Goldberg retracts Note baautifui canopy U judges should expected read signed declaration listing major com ponents model made builder declaration six pages presentation unless page also used describe details color markings reliable source other such data Short notes few words can used three-view photos direct judges attention something importance generally can expected lengthy written infor mation will ignored drawing isnt available photos may substituted must show shapes sufficient detail model can properly judged exam ple side view photo will serve inform judges wing stabilizer shapes common error has proven undoing some fine examples contest modeling furnish quantity photos depict exact airplane modeled Using photos variety prototypes cer tainly permissible show details shapes photos should exact airplane modeled preferable photos subject aircraft permit checking location markings color separation lines angles view rule states specifically selection photos aircraft modeled beginning Sport Scale era six-page maximum documentation thought limitation avoid oversupply material recent obser vation presentation booklets has shown greatest proportion contestants have difficulty filling few pages Its true rule book states three-view plastic model few photos will suffice individual items three can offered separately other hand modeler serious about making favor able impression judges giving worthwhile information best supply combination items great est value collection sharp clear photos need color fact prototypes of models seen contests built before color photos hand However some sort color documentation absolute necessity good static score Condnued page 129 BYRON ORIGINALS h Go, Ph iii ThA Full Line Catalog glance through catalog will prove Byron Originals recognized quality world over since picture worth thousand words have packed catalog full color black white photos highly descriptive illustrations well Youll pleased see new products improvements have joined family scale aircraft propulsion systems related accessories talk about value dollars Check factory direct prices competitive pricing industry ts exclusive accessories standard hobby items such finishing materials glues Dont delay Order Byron Originals catalog today Simply send $300 Byron OriginalsPO Box 279Ida Grove Iowa 51445 Set Standards Model Aviation October 1985 47 Success tinished canopy glued fuselage WiIhoId RIC56 glue canopy edges masked painted windshield separate molding THATS RIGHT! ~The MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute d still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LUUAL HOBBY SHOP 6dd4a 7m5boiu4 % P 0 Box 28247 New Orleans LA 70186 42-5967 RC Scale/Wischers Continued page 47 time column published rule regarding size docu mentation three-view drawing will have changed past three-view sheet size limited 8 /2 x 11 multi-sheet drawing meant less space could devoted photos changed rule will state three-view can size will count sheet six allowable presen tation After drawing still another five sheets proof color photos remove doubts minds judges fill presentation space photos showing shapes color lines mark ings relative sizes Some modelers consider smart keep judges guess ing using minimum material booklet An accurate model ade quate proof accuracy really route highest possible score However isnt prudent use photos show items missing model Molded canopy canopy Bobs new scalelike trainer largest have ever molded Size limited width kitchen oven will accept blank sheet acrylic Plexiglas buty rate sheet about 16-in square Acrylic sheet 031 thick has self-adhesive paper protection both surfaces sheet cut scoring deeply sharp blade surface after bent over table edge crack through much same manner cutting glass After cutting size paper backing removed Wood strips A-in square screwed along opposite edges plastic sheet about three-in centers provide grip pressure can applied stretching hot plastic later Drill through acrylic sheet carefully tends shatter mild abuse clamp wood strips top bot tom plastic drilling through wood screws Hooks threaded wood assembly can hung oven horizontal position heated plastic will forcefully draped over wooden form exact shape desired canopy Force needed because canopy has com pound curves side-to-side well foreand-aft use balsa form soft wood lends itself carving can used form shape estab lished later checked cardboard templates outlines fit fuselage advantage type formed canopy will fit snugly fuselage doesnt need clamped place cement hardens few pieces masking tape hold its edges form given smooth finish Polyester resin will harden surface followed several coats filler use auto body filler After sanding perfect finish no wood grain show ing no 180 no 320 silicon car bide paper final coat clear epoxy produces ultra-smooth surface form must absolutely clean blemish-free canopy speck dust leaves tiny pimple softened plastic canopy material visible wood grain will offset Mount wood form 1 x 2-in pine board clamp table top form suspended over clear space table edge will permit Continued page 133 FAI RUBBER Sizes 114 3/16 118 3/32 1/16 042 thick pound box Price $1300 FREE4oz bottle SLICK rubber lube per box Postpaid UPS USA KSB TIMERS ~5SB FUELSHUTOF 5 -~ 30 SEC $1195 EMIN DI $1195 1985 catalog 75a Cal add 6% tax FAIModel Supply U P0 8093957TORRANCECA90510 October 1985 129 ii HEAPUCHEI-\h! — Coupe VAle $2395 plus ups MAM MOTH SCALE PLANS CESSNA 180 108 WingspanBOEING F4B2 90 Wingspan CURTISS P409 102 WingspanDOUGLAS 025C 80 Wingspan BERLINER/JOYCE P-16 1025F/W FW56 Stosser 1035 Span PAZMANY PL-4 105 WingspanWACO/YKS-6 -99 Wingspan F/W FW44J Stieglitz 895 SpanRYAN S-C -112 Wingspan DOUGLAS AJN Skyraider 120T-28B 102 Wingspan SHOESTRING 95 WingspanSTEVENS AKRO -100 Wingspan F6F HELLCAT -98 WingspanWATERMAN ARROWBILE 92 Span Plans mailed air rolled heavy-duty tube P40 T28B Skyraider Heiicat Stevens Acro $3300 Au others $2400 Please add $500 postage handling California residents add 6/a sales tax Overseas orders add $1200 air postage MAMMOTH SCALE PLANS 3351 Pruneridge Ave Santa Ciara CA 95051 244-5814 RC Scale/Wischers Continued page 129 heated plastic wrapped around form bottom Oven form should close proximity minimize cooling time air transferring plastic sheet plastic sheet oven heat form hair dryer Too much heat epoxy finish may blis ter cold form will cool plastic complete canopy cannot draped quick downward sweep arms Oven temperature should 2500 300 F Watch plastic softens begins sag its own weight may some smoke visible canopy material during heating indi cating ready forming Too much smoke material overheat ed order stretch over compoundcurved surface plastic must uniformly rubbery slightly stiff sure easy conformity form really soft place back oven heating time canopy isnt completely contact form due premature cooling can returned oven re-softened Heat will bring back almost its original rectangular shape can used again Wear gloves stretching operation screw heads very hot plastic cools room temperature minute process can accel erated switching hair dryer its cold setting first seconds after forming though still quite warm plastic has already taken set will change shape Throughout forming process its best have helper After cooling removal wood strips acrylic can cut Dremel grind er using abrasive cut-off discs finetoothed circular saw cutting bit must done great care sudden slip cutter can easily cause crack Dont try scissors Acrylic material will shatter splinter Butyrate sheet less brittle can cut scissors prefer acrylic its long life scratch resistance clear transparency striations Dress edges final shape sandpaper block must also done caution slip sandpaper can quickly ruin new canopy prefer fasten canopy finished painted model using Wilhold R/C-56 glue because adheres well smooth surfaces retains rubberlike prop erties dries clear Spread narrow band 1A8 1/ wide along canopy edges lay carefully place using small scraps masking tape hold edges point becomes apparent perfectly-fitted canopy made mold tremendous advantage An illfitting canopy can real headache trying glue fuselage R/C-56 dries quite slowly because trapped between plastic paint course cabin details instrument panels dummy pilot must already place use small vacuum-formed clear plastic scoop vents lower corners canopy ventilate its interior Without adequate ventilation water will condense inside whenever model exposed sunlight vents also serve relieve pressure inside suns heat could blow sealed canopy off fuselage large canopy flown high speed considerable lift developed over its upper surface have seen some depart sud denly airplane Holes ventila tion must made canopy before fastening model have tried afterward have found bits plastic stuck canopy interior static attraction permanently tached Glue joints covered paint match fuselage color Panel lines letter requested informa tion about application panel lines models using pen-and-ink method Black India ink lines drawn drafts mans ruling pen too contrasty look realistic tend appear exag gerated boldness light-colored sur faces dark colors intense black India ink isnt easily seen advantage ink ease application especially ink intended drawings drafting mylar film An example type Koh-I-Noor Rapid0-Ink film waterproof less likely chip off final protective coat clear epoxy would recommended Less conspicuous realistic lines other colors such gray Paint must quite thin applied rul ing pen Floquil model railroad paint thin comes bottle prob ably would need little thinning fuel proof adheres well may need no overcoating epoxy Use ruling pen may need explana tion pen has adjustment screw regulaje line width Ink paint placed between pens nibs applicator cap ink bottle using paint add between nibs toothpick Either ink paint must ap plied model quickly will dry pen tip refuse flow happens can sometimes urged flow squeezing nibs together fingers break solidifying liquid tip Another method adding panel lines very narrow strips self-adhesive tape beneath paint produces panel line stands slightly above sur rounding surface quite easily seen distance Viewed close up seems exaggerated tape can narrow 015 030 normally used laying out printed circuit boards design stage found drafting supply houses Heavy paint over strips will tend disguise edges preferred method panel lines heavy primer applied along strip OUR INVENTORY AVERAGES OVER 8000 PROPS! MORE THAN 60 SIZESIII FAR MORE THAN ANY OTHER DEALER OR DISTRIBUTOR! SPECIAL PRO SERIESPOUR-CYCLE TAILORED HELICAL PITCH DIAPITCHPRICE DIAPITCHPRICE 634158 728339456169 126 69 7798279 83 3&3/4 4568 178 1367798348 898697188 1467798448 84566* 779188 158 7658 184 56 69 7188 186 7848 II6W 8W188 188EW288PYLON RACING 114 6 IAPITCHPRICE 7&3/4 8288 118EW2187SN 59N258 119872188&3/469 CR3147 125 5W. 825879 7&3/4368 135 832887 79 7&3/4268 145 8428 IS58828WW8IebZ~ 1887818 EWE48WHbkNe 18Noflb&XIC ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INO WAlES INVITED SOCIETY OF ANTIQUE MODELERS MA TERIALS REPLICA OR WICK ENGINES IGNITION CCESSORIES CARBON FIBER October 1985 133 WHY SETTLE FOR LESS FLY THE VERY BEST! MORE NATIONAL CHAMPIONS USE REV-UP PROPS YEAR IN AND YEAR OUT THAN ALL OTHER BRANDS COMBINED! SPECIALISTS IN cOX TD & REED ENGINES STD & A/C COMPLETE INVENTORY OF CUSTOM & STOCK PARTS Tuned Pipe Clamp $250** pipe included 8 oz $4 95* perfect basic trainer can flown three mistakes high still seen Balna ply conatruction 72 apan 106 sq in$9995 Powar 75-12 CU ifl Perfectfor4 cycle Dealer Inquiry Invted 1728 lywood SE Canton OH 44707 Send Si forCatalog 84-6810 H MFG A masking tape After drying primer sanded down tape level feath ered adjacent area tape removed line edge remaining primer stands above model surface amount tape thickness pronounced lines use double layers tape Heavy paint buildup over lines tends hide therefore light coats should added Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Electrics/Kopski Continued page 49 better plane am pilot Its sheer delight air crowd-pleaser besides Lets look closely its par ticulars Exciter about same 'i Eurekaboth have 600 sq wings comparable moments tail feathers Exciter has time-honored NACA 2412 wing section la Falcon instead thick flat-bottom energy source 15-cell 12 Ah pack Motiva tion Astro 40 cobalt Robbe 50/14 cobalt Controls aileron elevator rudder electronic throttle original design Props have ranged 9 x 6 10 x 5 All-up weight 81 oz wing load ing 195 oz/sq ft honors Rules Thumb Results terrific Now some performance particulars Exciter does common stuff com fortable touch-and-goes easy rolls con secutive inside outside loops square loops Inverted breeze Snaps just Stall turns no sweat has aggressive takeoff grass almost /2 horsepower input available also very wide speed rangeand no exag geration siz~ long does fly 70 flights date 60 select ed representative Ten longest shortest flights dropped non represenative since test flights short charges etc 60 flights numerically averaged resulting average flight time takeoff taxi roll final touch 4 mm 54 sec fly ing generally mixture maneu vers mentioned above play throt tle allocate power needed gives what need need maxi mizes flight time such flights Regarding playing its interest ing note got used plane flights got better acro batically also longer duration example flight times about itial third Exciters total flights average about 4 mm 40 sec re cent third averages about 5 mm 10 sec done safe charging technique make no effort what soever input peak chargeeach flights 15-minute charge constant 42 Amps Now test flights mentioned Rule Thumb No 1 predicts Exciter should cruise ie just maintain level flight somewhat over 10 minutes charge described above test ed two flights different days wherein merely circled field low altitude playing throttle just maintain altitude two flight times logged 11 mm 1 sec 11 mm 32 sec considered close agreement prediction came out favorable side made flight low level circles full bore result 3 mm 36 sec flight very comfort able range maximum-available mini mum-required flight power usage Fur ther flight time average 4 mm 54 sec mentioned above just about predicted maximum time agrees guideline doubling calcu lated power-to-cruise good flights Exciter 1 unqualified success After theres much left say except can too dont have plans available planes sincerely feel Rules Thumb very good guidelines should always put ballpark achieving successful Electriclarge small may have scratch-build did Eureka Exciter besides rewards worth have some appealing kit mind mindful kits heavy another Rule Thumb youll no doubt have some modifying construction substitution material Remember importance weight Electric power system typically 40% 60% weight com pleted Electricthe covered model radio other half approximately Exciter power system weighs 29 oz battery plus 14 oz motor plus two ounces miscellaneous wiring etc about 54% total model weight memorable satisfac tions Exciter has given date opportunity comment glowingly friend fellow modeler greasy skeptic Bruce Im closing gap normally vocal greasy gasminded friend normally scoffs friendly way Electric endeavors seen several Exciter flights now no comment other mutter ing something about wheel choice looking good Im now working wheels Basic electricIty previous August 1985 installment continuing miiseries examined analog meter movements application multimeters seen various ranges multimeter accomplished switching various external resistors circuit meter movement also learned basic meter move ments require exceptionally small amounts power operate full-scale 134 Model Aviation THE ONE THAT WORKS PRO-CLAM P ITS SNAP CLEANERPolisher SUPER SHINE SUPER SLICK Glider Pilots Take Note Brass Tubing Replacement HEAT BENDABLE KZ Line CAdd $175 Add $050 Shipping Handling Dealer-Dist Inquiries Invited Jr STICKmwiw
Edition: Model Aviation - 1985/10
Page Numbers: 46, 47, 129, 133, 134
Scale Bob Dolly Wischer SCALE DOCUMENTATION Requests information regarding documentation material continue arrive mailbox Doubts usually arise hearts competition Sport Giant Scale modelers faced having supply photos obscure aircraft have neglected histori cal information three-view drawing available drawing shows color data photos arent required three-view drawing alone complete documentation becomes one-sheet presentation supplement drawing some modelers will include several additional sheets printed data about prototype realizing judges have very little time extensive reading consider judge would have spend time absorbing printed material would much less time actual comparisons drawing photos model contestants benefit distract judges duties including ex traneous material presentation six-page maximum limit documenta tion intended shorten judging time written material Heres Bob made beautiful canopy Scale Trainer 1 baisa biocks giued up ready carving canopy form Card board tempiates determine carved shapes tempiates drawn aid multi-wire contour gauge used find exact shape rear fuseiage turtie deck canopy bow hardware stores carry gauges Carved finished baisa canopy form R has several coats auto primer over resin base ultra-smooth finish s pine plug bottom form fastening wood screws well see theyre used later See the form screwed board turn clamped table edge near oven plastic sheet going warmed 1 form warmed hair dryer just before hot plastic sheet draped over Next R heated plastic sheat transferred oven quickly wrap p ad around form using sweeping downward motion stretching canopy shape Considerable force required Too much force canopy stretches thin 46 Model Aviation Bobs latest scalalike trainer resembles Italian Freti Faico spans 68 weighs 9 lb has HP 61 engine Goldberg retracts Note baautifui canopy U judges should expected read signed declaration listing major com ponents model made builder declaration six pages presentation unless page also used describe details color markings reliable source other such data Short notes few words can used three-view photos direct judges attention something importance generally can expected lengthy written infor mation will ignored drawing isnt available photos may substituted must show shapes sufficient detail model can properly judged exam ple side view photo will serve inform judges wing stabilizer shapes common error has proven undoing some fine examples contest modeling furnish quantity photos depict exact airplane modeled Using photos variety prototypes cer tainly permissible show details shapes photos should exact airplane modeled preferable photos subject aircraft permit checking location markings color separation lines angles view rule states specifically selection photos aircraft modeled beginning Sport Scale era six-page maximum documentation thought limitation avoid oversupply material recent obser vation presentation booklets has shown greatest proportion contestants have difficulty filling few pages Its true rule book states three-view plastic model few photos will suffice individual items three can offered separately other hand modeler serious about making favor able impression judges giving worthwhile information best supply combination items great est value collection sharp clear photos need color fact prototypes of models seen contests built before color photos hand However some sort color documentation absolute necessity good static score Condnued page 129 BYRON ORIGINALS h Go, Ph iii ThA Full Line Catalog glance through catalog will prove Byron Originals recognized quality world over since picture worth thousand words have packed catalog full color black white photos highly descriptive illustrations well Youll pleased see new products improvements have joined family scale aircraft propulsion systems related accessories talk about value dollars Check factory direct prices competitive pricing industry ts exclusive accessories standard hobby items such finishing materials glues Dont delay Order Byron Originals catalog today Simply send $300 Byron OriginalsPO Box 279Ida Grove Iowa 51445 Set Standards Model Aviation October 1985 47 Success tinished canopy glued fuselage WiIhoId RIC56 glue canopy edges masked painted windshield separate molding THATS RIGHT! ~The MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute d still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LUUAL HOBBY SHOP 6dd4a 7m5boiu4 % P 0 Box 28247 New Orleans LA 70186 42-5967 RC Scale/Wischers Continued page 47 time column published rule regarding size docu mentation three-view drawing will have changed past three-view sheet size limited 8 /2 x 11 multi-sheet drawing meant less space could devoted photos changed rule will state three-view can size will count sheet six allowable presen tation After drawing still another five sheets proof color photos remove doubts minds judges fill presentation space photos showing shapes color lines mark ings relative sizes Some modelers consider smart keep judges guess ing using minimum material booklet An accurate model ade quate proof accuracy really route highest possible score However isnt prudent use photos show items missing model Molded canopy canopy Bobs new scalelike trainer largest have ever molded Size limited width kitchen oven will accept blank sheet acrylic Plexiglas buty rate sheet about 16-in square Acrylic sheet 031 thick has self-adhesive paper protection both surfaces sheet cut scoring deeply sharp blade surface after bent over table edge crack through much same manner cutting glass After cutting size paper backing removed Wood strips A-in square screwed along opposite edges plastic sheet about three-in centers provide grip pressure can applied stretching hot plastic later Drill through acrylic sheet carefully tends shatter mild abuse clamp wood strips top bot tom plastic drilling through wood screws Hooks threaded wood assembly can hung oven horizontal position heated plastic will forcefully draped over wooden form exact shape desired canopy Force needed because canopy has com pound curves side-to-side well foreand-aft use balsa form soft wood lends itself carving can used form shape estab lished later checked cardboard templates outlines fit fuselage advantage type formed canopy will fit snugly fuselage doesnt need clamped place cement hardens few pieces masking tape hold its edges form given smooth finish Polyester resin will harden surface followed several coats filler use auto body filler After sanding perfect finish no wood grain show ing no 180 no 320 silicon car bide paper final coat clear epoxy produces ultra-smooth surface form must absolutely clean blemish-free canopy speck dust leaves tiny pimple softened plastic canopy material visible wood grain will offset Mount wood form 1 x 2-in pine board clamp table top form suspended over clear space table edge will permit Continued page 133 FAI RUBBER Sizes 114 3/16 118 3/32 1/16 042 thick pound box Price $1300 FREE4oz bottle SLICK rubber lube per box Postpaid UPS USA KSB TIMERS ~5SB FUELSHUTOF 5 -~ 30 SEC $1195 EMIN DI $1195 1985 catalog 75a Cal add 6% tax FAIModel Supply U P0 8093957TORRANCECA90510 October 1985 129 ii HEAPUCHEI-\h! — Coupe VAle $2395 plus ups MAM MOTH SCALE PLANS CESSNA 180 108 WingspanBOEING F4B2 90 Wingspan CURTISS P409 102 WingspanDOUGLAS 025C 80 Wingspan BERLINER/JOYCE P-16 1025F/W FW56 Stosser 1035 Span PAZMANY PL-4 105 WingspanWACO/YKS-6 -99 Wingspan F/W FW44J Stieglitz 895 SpanRYAN S-C -112 Wingspan DOUGLAS AJN Skyraider 120T-28B 102 Wingspan SHOESTRING 95 WingspanSTEVENS AKRO -100 Wingspan F6F HELLCAT -98 WingspanWATERMAN ARROWBILE 92 Span Plans mailed air rolled heavy-duty tube P40 T28B Skyraider Heiicat Stevens Acro $3300 Au others $2400 Please add $500 postage handling California residents add 6/a sales tax Overseas orders add $1200 air postage MAMMOTH SCALE PLANS 3351 Pruneridge Ave Santa Ciara CA 95051 244-5814 RC Scale/Wischers Continued page 129 heated plastic wrapped around form bottom Oven form should close proximity minimize cooling time air transferring plastic sheet plastic sheet oven heat form hair dryer Too much heat epoxy finish may blis ter cold form will cool plastic complete canopy cannot draped quick downward sweep arms Oven temperature should 2500 300 F Watch plastic softens begins sag its own weight may some smoke visible canopy material during heating indi cating ready forming Too much smoke material overheat ed order stretch over compoundcurved surface plastic must uniformly rubbery slightly stiff sure easy conformity form really soft place back oven heating time canopy isnt completely contact form due premature cooling can returned oven re-softened Heat will bring back almost its original rectangular shape can used again Wear gloves stretching operation screw heads very hot plastic cools room temperature minute process can accel erated switching hair dryer its cold setting first seconds after forming though still quite warm plastic has already taken set will change shape Throughout forming process its best have helper After cooling removal wood strips acrylic can cut Dremel grind er using abrasive cut-off discs finetoothed circular saw cutting bit must done great care sudden slip cutter can easily cause crack Dont try scissors Acrylic material will shatter splinter Butyrate sheet less brittle can cut scissors prefer acrylic its long life scratch resistance clear transparency striations Dress edges final shape sandpaper block must also done caution slip sandpaper can quickly ruin new canopy prefer fasten canopy finished painted model using Wilhold R/C-56 glue because adheres well smooth surfaces retains rubberlike prop erties dries clear Spread narrow band 1A8 1/ wide along canopy edges lay carefully place using small scraps masking tape hold edges point becomes apparent perfectly-fitted canopy made mold tremendous advantage An illfitting canopy can real headache trying glue fuselage R/C-56 dries quite slowly because trapped between plastic paint course cabin details instrument panels dummy pilot must already place use small vacuum-formed clear plastic scoop vents lower corners canopy ventilate its interior Without adequate ventilation water will condense inside whenever model exposed sunlight vents also serve relieve pressure inside suns heat could blow sealed canopy off fuselage large canopy flown high speed considerable lift developed over its upper surface have seen some depart sud denly airplane Holes ventila tion must made canopy before fastening model have tried afterward have found bits plastic stuck canopy interior static attraction permanently tached Glue joints covered paint match fuselage color Panel lines letter requested informa tion about application panel lines models using pen-and-ink method Black India ink lines drawn drafts mans ruling pen too contrasty look realistic tend appear exag gerated boldness light-colored sur faces dark colors intense black India ink isnt easily seen advantage ink ease application especially ink intended drawings drafting mylar film An example type Koh-I-Noor Rapid0-Ink film waterproof less likely chip off final protective coat clear epoxy would recommended Less conspicuous realistic lines other colors such gray Paint must quite thin applied rul ing pen Floquil model railroad paint thin comes bottle prob ably would need little thinning fuel proof adheres well may need no overcoating epoxy Use ruling pen may need explana tion pen has adjustment screw regulaje line width Ink paint placed between pens nibs applicator cap ink bottle using paint add between nibs toothpick Either ink paint must ap plied model quickly will dry pen tip refuse flow happens can sometimes urged flow squeezing nibs together fingers break solidifying liquid tip Another method adding panel lines very narrow strips self-adhesive tape beneath paint produces panel line stands slightly above sur rounding surface quite easily seen distance Viewed close up seems exaggerated tape can narrow 015 030 normally used laying out printed circuit boards design stage found drafting supply houses Heavy paint over strips will tend disguise edges preferred method panel lines heavy primer applied along strip OUR INVENTORY AVERAGES OVER 8000 PROPS! MORE THAN 60 SIZESIII FAR MORE THAN ANY OTHER DEALER OR DISTRIBUTOR! SPECIAL PRO SERIESPOUR-CYCLE TAILORED HELICAL PITCH DIAPITCHPRICE DIAPITCHPRICE 634158 728339456169 126 69 7798279 83 3&3/4 4568 178 1367798348 898697188 1467798448 84566* 779188 158 7658 184 56 69 7188 186 7848 II6W 8W188 188EW288PYLON RACING 114 6 IAPITCHPRICE 7&3/4 8288 118EW2187SN 59N258 119872188&3/469 CR3147 125 5W. 825879 7&3/4368 135 832887 79 7&3/4268 145 8428 IS58828WW8IebZ~ 1887818 EWE48WHbkNe 18Noflb&XIC ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INO WAlES INVITED SOCIETY OF ANTIQUE MODELERS MA TERIALS REPLICA OR WICK ENGINES IGNITION CCESSORIES CARBON FIBER October 1985 133 WHY SETTLE FOR LESS FLY THE VERY BEST! MORE NATIONAL CHAMPIONS USE REV-UP PROPS YEAR IN AND YEAR OUT THAN ALL OTHER BRANDS COMBINED! SPECIALISTS IN cOX TD & REED ENGINES STD & A/C COMPLETE INVENTORY OF CUSTOM & STOCK PARTS Tuned Pipe Clamp $250** pipe included 8 oz $4 95* perfect basic trainer can flown three mistakes high still seen Balna ply conatruction 72 apan 106 sq in$9995 Powar 75-12 CU ifl Perfectfor4 cycle Dealer Inquiry Invted 1728 lywood SE Canton OH 44707 Send Si forCatalog 84-6810 H MFG A masking tape After drying primer sanded down tape level feath ered adjacent area tape removed line edge remaining primer stands above model surface amount tape thickness pronounced lines use double layers tape Heavy paint buildup over lines tends hide therefore light coats should added Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Electrics/Kopski Continued page 49 better plane am pilot Its sheer delight air crowd-pleaser besides Lets look closely its par ticulars Exciter about same 'i Eurekaboth have 600 sq wings comparable moments tail feathers Exciter has time-honored NACA 2412 wing section la Falcon instead thick flat-bottom energy source 15-cell 12 Ah pack Motiva tion Astro 40 cobalt Robbe 50/14 cobalt Controls aileron elevator rudder electronic throttle original design Props have ranged 9 x 6 10 x 5 All-up weight 81 oz wing load ing 195 oz/sq ft honors Rules Thumb Results terrific Now some performance particulars Exciter does common stuff com fortable touch-and-goes easy rolls con secutive inside outside loops square loops Inverted breeze Snaps just Stall turns no sweat has aggressive takeoff grass almost /2 horsepower input available also very wide speed rangeand no exag geration siz~ long does fly 70 flights date 60 select ed representative Ten longest shortest flights dropped non represenative since test flights short charges etc 60 flights numerically averaged resulting average flight time takeoff taxi roll final touch 4 mm 54 sec fly ing generally mixture maneu vers mentioned above play throt tle allocate power needed gives what need need maxi mizes flight time such flights Regarding playing its interest ing note got used plane flights got better acro batically also longer duration example flight times about itial third Exciters total flights average about 4 mm 40 sec re cent third averages about 5 mm 10 sec done safe charging technique make no effort what soever input peak chargeeach flights 15-minute charge constant 42 Amps Now test flights mentioned Rule Thumb No 1 predicts Exciter should cruise ie just maintain level flight somewhat over 10 minutes charge described above test ed two flights different days wherein merely circled field low altitude playing throttle just maintain altitude two flight times logged 11 mm 1 sec 11 mm 32 sec considered close agreement prediction came out favorable side made flight low level circles full bore result 3 mm 36 sec flight very comfort able range maximum-available mini mum-required flight power usage Fur ther flight time average 4 mm 54 sec mentioned above just about predicted maximum time agrees guideline doubling calcu lated power-to-cruise good flights Exciter 1 unqualified success After theres much left say except can too dont have plans available planes sincerely feel Rules Thumb very good guidelines should always put ballpark achieving successful Electriclarge small may have scratch-build did Eureka Exciter besides rewards worth have some appealing kit mind mindful kits heavy another Rule Thumb youll no doubt have some modifying construction substitution material Remember importance weight Electric power system typically 40% 60% weight com pleted Electricthe covered model radio other half approximately Exciter power system weighs 29 oz battery plus 14 oz motor plus two ounces miscellaneous wiring etc about 54% total model weight memorable satisfac tions Exciter has given date opportunity comment glowingly friend fellow modeler greasy skeptic Bruce Im closing gap normally vocal greasy gasminded friend normally scoffs friendly way Electric endeavors seen several Exciter flights now no comment other mutter ing something about wheel choice looking good Im now working wheels Basic electricIty previous August 1985 installment continuing miiseries examined analog meter movements application multimeters seen various ranges multimeter accomplished switching various external resistors circuit meter movement also learned basic meter move ments require exceptionally small amounts power operate full-scale 134 Model Aviation THE ONE THAT WORKS PRO-CLAM P ITS SNAP CLEANERPolisher SUPER SHINE SUPER SLICK Glider Pilots Take Note Brass Tubing Replacement HEAT BENDABLE KZ Line CAdd $175 Add $050 Shipping Handling Dealer-Dist Inquiries Invited Jr STICKmwiw
Edition: Model Aviation - 1985/10
Page Numbers: 46, 47, 129, 133, 134
Scale Bob Dolly Wischer SCALE DOCUMENTATION Requests information regarding documentation material continue arrive mailbox Doubts usually arise hearts competition Sport Giant Scale modelers faced having supply photos obscure aircraft have neglected histori cal information three-view drawing available drawing shows color data photos arent required three-view drawing alone complete documentation becomes one-sheet presentation supplement drawing some modelers will include several additional sheets printed data about prototype realizing judges have very little time extensive reading consider judge would have spend time absorbing printed material would much less time actual comparisons drawing photos model contestants benefit distract judges duties including ex traneous material presentation six-page maximum limit documenta tion intended shorten judging time written material Heres Bob made beautiful canopy Scale Trainer 1 baisa biocks giued up ready carving canopy form Card board tempiates determine carved shapes tempiates drawn aid multi-wire contour gauge used find exact shape rear fuseiage turtie deck canopy bow hardware stores carry gauges Carved finished baisa canopy form R has several coats auto primer over resin base ultra-smooth finish s pine plug bottom form fastening wood screws well see theyre used later See the form screwed board turn clamped table edge near oven plastic sheet going warmed 1 form warmed hair dryer just before hot plastic sheet draped over Next R heated plastic sheat transferred oven quickly wrap p ad around form using sweeping downward motion stretching canopy shape Considerable force required Too much force canopy stretches thin 46 Model Aviation Bobs latest scalalike trainer resembles Italian Freti Faico spans 68 weighs 9 lb has HP 61 engine Goldberg retracts Note baautifui canopy U judges should expected read signed declaration listing major com ponents model made builder declaration six pages presentation unless page also used describe details color markings reliable source other such data Short notes few words can used three-view photos direct judges attention something importance generally can expected lengthy written infor mation will ignored drawing isnt available photos may substituted must show shapes sufficient detail model can properly judged exam ple side view photo will serve inform judges wing stabilizer shapes common error has proven undoing some fine examples contest modeling furnish quantity photos depict exact airplane modeled Using photos variety prototypes cer tainly permissible show details shapes photos should exact airplane modeled preferable photos subject aircraft permit checking location markings color separation lines angles view rule states specifically selection photos aircraft modeled beginning Sport Scale era six-page maximum documentation thought limitation avoid oversupply material recent obser vation presentation booklets has shown greatest proportion contestants have difficulty filling few pages Its true rule book states three-view plastic model few photos will suffice individual items three can offered separately other hand modeler serious about making favor able impression judges giving worthwhile information best supply combination items great est value collection sharp clear photos need color fact prototypes of models seen contests built before color photos hand However some sort color documentation absolute necessity good static score Condnued page 129 BYRON ORIGINALS h Go, Ph iii ThA Full Line Catalog glance through catalog will prove Byron Originals recognized quality world over since picture worth thousand words have packed catalog full color black white photos highly descriptive illustrations well Youll pleased see new products improvements have joined family scale aircraft propulsion systems related accessories talk about value dollars Check factory direct prices competitive pricing industry ts exclusive accessories standard hobby items such finishing materials glues Dont delay Order Byron Originals catalog today Simply send $300 Byron OriginalsPO Box 279Ida Grove Iowa 51445 Set Standards Model Aviation October 1985 47 Success tinished canopy glued fuselage WiIhoId RIC56 glue canopy edges masked painted windshield separate molding THATS RIGHT! ~The MAXI 30 CHEAP Operate Using 50/s OOZE OIL 950/0 Methanol will give average fuel economy ounce per minute d still have power turn 24 x 8 prop over 5700 RPMs SEE ONE AT YOUR LUUAL HOBBY SHOP 6dd4a 7m5boiu4 % P 0 Box 28247 New Orleans LA 70186 42-5967 RC Scale/Wischers Continued page 47 time column published rule regarding size docu mentation three-view drawing will have changed past three-view sheet size limited 8 /2 x 11 multi-sheet drawing meant less space could devoted photos changed rule will state three-view can size will count sheet six allowable presen tation After drawing still another five sheets proof color photos remove doubts minds judges fill presentation space photos showing shapes color lines mark ings relative sizes Some modelers consider smart keep judges guess ing using minimum material booklet An accurate model ade quate proof accuracy really route highest possible score However isnt prudent use photos show items missing model Molded canopy canopy Bobs new scalelike trainer largest have ever molded Size limited width kitchen oven will accept blank sheet acrylic Plexiglas buty rate sheet about 16-in square Acrylic sheet 031 thick has self-adhesive paper protection both surfaces sheet cut scoring deeply sharp blade surface after bent over table edge crack through much same manner cutting glass After cutting size paper backing removed Wood strips A-in square screwed along opposite edges plastic sheet about three-in centers provide grip pressure can applied stretching hot plastic later Drill through acrylic sheet carefully tends shatter mild abuse clamp wood strips top bot tom plastic drilling through wood screws Hooks threaded wood assembly can hung oven horizontal position heated plastic will forcefully draped over wooden form exact shape desired canopy Force needed because canopy has com pound curves side-to-side well foreand-aft use balsa form soft wood lends itself carving can used form shape estab lished later checked cardboard templates outlines fit fuselage advantage type formed canopy will fit snugly fuselage doesnt need clamped place cement hardens few pieces masking tape hold its edges form given smooth finish Polyester resin will harden surface followed several coats filler use auto body filler After sanding perfect finish no wood grain show ing no 180 no 320 silicon car bide paper final coat clear epoxy produces ultra-smooth surface form must absolutely clean blemish-free canopy speck dust leaves tiny pimple softened plastic canopy material visible wood grain will offset Mount wood form 1 x 2-in pine board clamp table top form suspended over clear space table edge will permit Continued page 133 FAI RUBBER Sizes 114 3/16 118 3/32 1/16 042 thick pound box Price $1300 FREE4oz bottle SLICK rubber lube per box Postpaid UPS USA KSB TIMERS ~5SB FUELSHUTOF 5 -~ 30 SEC $1195 EMIN DI $1195 1985 catalog 75a Cal add 6% tax FAIModel Supply U P0 8093957TORRANCECA90510 October 1985 129 ii HEAPUCHEI-\h! — Coupe VAle $2395 plus ups MAM MOTH SCALE PLANS CESSNA 180 108 WingspanBOEING F4B2 90 Wingspan CURTISS P409 102 WingspanDOUGLAS 025C 80 Wingspan BERLINER/JOYCE P-16 1025F/W FW56 Stosser 1035 Span PAZMANY PL-4 105 WingspanWACO/YKS-6 -99 Wingspan F/W FW44J Stieglitz 895 SpanRYAN S-C -112 Wingspan DOUGLAS AJN Skyraider 120T-28B 102 Wingspan SHOESTRING 95 WingspanSTEVENS AKRO -100 Wingspan F6F HELLCAT -98 WingspanWATERMAN ARROWBILE 92 Span Plans mailed air rolled heavy-duty tube P40 T28B Skyraider Heiicat Stevens Acro $3300 Au others $2400 Please add $500 postage handling California residents add 6/a sales tax Overseas orders add $1200 air postage MAMMOTH SCALE PLANS 3351 Pruneridge Ave Santa Ciara CA 95051 244-5814 RC Scale/Wischers Continued page 129 heated plastic wrapped around form bottom Oven form should close proximity minimize cooling time air transferring plastic sheet plastic sheet oven heat form hair dryer Too much heat epoxy finish may blis ter cold form will cool plastic complete canopy cannot draped quick downward sweep arms Oven temperature should 2500 300 F Watch plastic softens begins sag its own weight may some smoke visible canopy material during heating indi cating ready forming Too much smoke material overheat ed order stretch over compoundcurved surface plastic must uniformly rubbery slightly stiff sure easy conformity form really soft place back oven heating time canopy isnt completely contact form due premature cooling can returned oven re-softened Heat will bring back almost its original rectangular shape can used again Wear gloves stretching operation screw heads very hot plastic cools room temperature minute process can accel erated switching hair dryer its cold setting first seconds after forming though still quite warm plastic has already taken set will change shape Throughout forming process its best have helper After cooling removal wood strips acrylic can cut Dremel grind er using abrasive cut-off discs finetoothed circular saw cutting bit must done great care sudden slip cutter can easily cause crack Dont try scissors Acrylic material will shatter splinter Butyrate sheet less brittle can cut scissors prefer acrylic its long life scratch resistance clear transparency striations Dress edges final shape sandpaper block must also done caution slip sandpaper can quickly ruin new canopy prefer fasten canopy finished painted model using Wilhold R/C-56 glue because adheres well smooth surfaces retains rubberlike prop erties dries clear Spread narrow band 1A8 1/ wide along canopy edges lay carefully place using small scraps masking tape hold edges point becomes apparent perfectly-fitted canopy made mold tremendous advantage An illfitting canopy can real headache trying glue fuselage R/C-56 dries quite slowly because trapped between plastic paint course cabin details instrument panels dummy pilot must already place use small vacuum-formed clear plastic scoop vents lower corners canopy ventilate its interior Without adequate ventilation water will condense inside whenever model exposed sunlight vents also serve relieve pressure inside suns heat could blow sealed canopy off fuselage large canopy flown high speed considerable lift developed over its upper surface have seen some depart sud denly airplane Holes ventila tion must made canopy before fastening model have tried afterward have found bits plastic stuck canopy interior static attraction permanently tached Glue joints covered paint match fuselage color Panel lines letter requested informa tion about application panel lines models using pen-and-ink method Black India ink lines drawn drafts mans ruling pen too contrasty look realistic tend appear exag gerated boldness light-colored sur faces dark colors intense black India ink isnt easily seen advantage ink ease application especially ink intended drawings drafting mylar film An example type Koh-I-Noor Rapid0-Ink film waterproof less likely chip off final protective coat clear epoxy would recommended Less conspicuous realistic lines other colors such gray Paint must quite thin applied rul ing pen Floquil model railroad paint thin comes bottle prob ably would need little thinning fuel proof adheres well may need no overcoating epoxy Use ruling pen may need explana tion pen has adjustment screw regulaje line width Ink paint placed between pens nibs applicator cap ink bottle using paint add between nibs toothpick Either ink paint must ap plied model quickly will dry pen tip refuse flow happens can sometimes urged flow squeezing nibs together fingers break solidifying liquid tip Another method adding panel lines very narrow strips self-adhesive tape beneath paint produces panel line stands slightly above sur rounding surface quite easily seen distance Viewed close up seems exaggerated tape can narrow 015 030 normally used laying out printed circuit boards design stage found drafting supply houses Heavy paint over strips will tend disguise edges preferred method panel lines heavy primer applied along strip OUR INVENTORY AVERAGES OVER 8000 PROPS! MORE THAN 60 SIZESIII FAR MORE THAN ANY OTHER DEALER OR DISTRIBUTOR! SPECIAL PRO SERIESPOUR-CYCLE TAILORED HELICAL PITCH DIAPITCHPRICE DIAPITCHPRICE 634158 728339456169 126 69 7798279 83 3&3/4 4568 178 1367798348 898697188 1467798448 84566* 779188 158 7658 184 56 69 7188 186 7848 II6W 8W188 188EW288PYLON RACING 114 6 IAPITCHPRICE 7&3/4 8288 118EW2187SN 59N258 119872188&3/469 CR3147 125 5W. 825879 7&3/4368 135 832887 79 7&3/4268 145 8428 IS58828WW8IebZ~ 1887818 EWE48WHbkNe 18Noflb&XIC ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INO WAlES INVITED SOCIETY OF ANTIQUE MODELERS MA TERIALS REPLICA OR WICK ENGINES IGNITION CCESSORIES CARBON FIBER October 1985 133 WHY SETTLE FOR LESS FLY THE VERY BEST! MORE NATIONAL CHAMPIONS USE REV-UP PROPS YEAR IN AND YEAR OUT THAN ALL OTHER BRANDS COMBINED! SPECIALISTS IN cOX TD & REED ENGINES STD & A/C COMPLETE INVENTORY OF CUSTOM & STOCK PARTS Tuned Pipe Clamp $250** pipe included 8 oz $4 95* perfect basic trainer can flown three mistakes high still seen Balna ply conatruction 72 apan 106 sq in$9995 Powar 75-12 CU ifl Perfectfor4 cycle Dealer Inquiry Invted 1728 lywood SE Canton OH 44707 Send Si forCatalog 84-6810 H MFG A masking tape After drying primer sanded down tape level feath ered adjacent area tape removed line edge remaining primer stands above model surface amount tape thickness pronounced lines use double layers tape Heavy paint buildup over lines tends hide therefore light coats should added Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Electrics/Kopski Continued page 49 better plane am pilot Its sheer delight air crowd-pleaser besides Lets look closely its par ticulars Exciter about same 'i Eurekaboth have 600 sq wings comparable moments tail feathers Exciter has time-honored NACA 2412 wing section la Falcon instead thick flat-bottom energy source 15-cell 12 Ah pack Motiva tion Astro 40 cobalt Robbe 50/14 cobalt Controls aileron elevator rudder electronic throttle original design Props have ranged 9 x 6 10 x 5 All-up weight 81 oz wing load ing 195 oz/sq ft honors Rules Thumb Results terrific Now some performance particulars Exciter does common stuff com fortable touch-and-goes easy rolls con secutive inside outside loops square loops Inverted breeze Snaps just Stall turns no sweat has aggressive takeoff grass almost /2 horsepower input available also very wide speed rangeand no exag geration siz~ long does fly 70 flights date 60 select ed representative Ten longest shortest flights dropped non represenative since test flights short charges etc 60 flights numerically averaged resulting average flight time takeoff taxi roll final touch 4 mm 54 sec fly ing generally mixture maneu vers mentioned above play throt tle allocate power needed gives what need need maxi mizes flight time such flights Regarding playing its interest ing note got used plane flights got better acro batically also longer duration example flight times about itial third Exciters total flights average about 4 mm 40 sec re cent third averages about 5 mm 10 sec done safe charging technique make no effort what soever input peak chargeeach flights 15-minute charge constant 42 Amps Now test flights mentioned Rule Thumb No 1 predicts Exciter should cruise ie just maintain level flight somewhat over 10 minutes charge described above test ed two flights different days wherein merely circled field low altitude playing throttle just maintain altitude two flight times logged 11 mm 1 sec 11 mm 32 sec considered close agreement prediction came out favorable side made flight low level circles full bore result 3 mm 36 sec flight very comfort able range maximum-available mini mum-required flight power usage Fur ther flight time average 4 mm 54 sec mentioned above just about predicted maximum time agrees guideline doubling calcu lated power-to-cruise good flights Exciter 1 unqualified success After theres much left say except can too dont have plans available planes sincerely feel Rules Thumb very good guidelines should always put ballpark achieving successful Electriclarge small may have scratch-build did Eureka Exciter besides rewards worth have some appealing kit mind mindful kits heavy another Rule Thumb youll no doubt have some modifying construction substitution material Remember importance weight Electric power system typically 40% 60% weight com pleted Electricthe covered model radio other half approximately Exciter power system weighs 29 oz battery plus 14 oz motor plus two ounces miscellaneous wiring etc about 54% total model weight memorable satisfac tions Exciter has given date opportunity comment glowingly friend fellow modeler greasy skeptic Bruce Im closing gap normally vocal greasy gasminded friend normally scoffs friendly way Electric endeavors seen several Exciter flights now no comment other mutter ing something about wheel choice looking good Im now working wheels Basic electricIty previous August 1985 installment continuing miiseries examined analog meter movements application multimeters seen various ranges multimeter accomplished switching various external resistors circuit meter movement also learned basic meter move ments require exceptionally small amounts power operate full-scale 134 Model Aviation THE ONE THAT WORKS PRO-CLAM P ITS SNAP CLEANERPolisher SUPER SHINE SUPER SLICK Glider Pilots Take Note Brass Tubing Replacement HEAT BENDABLE KZ Line CAdd $175 Add $050 Shipping Handling Dealer-Dist Inquiries Invited Jr STICKmwiw