SURFACE detailing Scale model number ways simulate panel lines model require fair amount effort properly first important requirement have accurate set three-views determine accuracy divide known dimension wing span three-view wingspan model will provide number will used multiply dimensions taken three view determine dimensions model Whew Now random pick some easily measured features three-view aileron length canopy length elevator span example Multiply using conversion factor found earlier see closely three-view matches model Keep mind information galned accurate measuring device youre using drawing highly recommend good dial caliper length index finger second knuckleplus littlewill hardly Now youve determined threeviews completely worthless try find ac curate set aware model ac curate will futile search sure model accurate will likely find three-views match perfectly dimension Now fun begins model should placed level surface pool table blocked up perfectly level directions Armed An example OT using / cnarr tape aesine panci mines r- i inc IIIuucI accurate three-views calculator dial painted tape wiil removed DennisCrooks explains entire process coiumn calipers other measuring device start nose work tail Due inev- divide length model quarters known man plus soft pencil start marking itable errors could easily run out airplane concentrate locating panel lines within will likely have better luck panel lines left over boundaries way inconsistencies can 52 Model Aviation Radio Control Scale Dennis Crooks PO Box 98 Big Rock IL 6051 EZ Dago Red Mustang fitted new Robostruts main gear legs Theres no ionger good reason keep using springy unreaiistic music wire landing gear legs Scale ships An excellent example surface detaiilng Bert BakerlYeiiow Aircraft WW Ii Japanese Zero kit modei built Don Kanak ut tie extra effort spent buliding finishing stage wiil sureiy improve craftsmanship score static judging circie contests confined small area flexible straight edge will invaluab]e run compound curves panel lines have drawn model soft pencil mistake made 400-grit sandpaper works very well eraser Once panel lines have transferred three-view model would good idea gather markings used finished product Now time discover well whole thing coordinates Some fudg ing may order ensure panels mark ings work together satisfied well can begin taping case simulating lap joint use Scotch fine-line masking tape brush primer K&B over edge want line ap plication primer will enough Wait hour brush another coat has dried least 24 hours carefully sand primer down tape feather other edge model surface tape re moved will appear piece sheet metal overlapping another panel line created two panels simply ted together great deal easier duplicate building stand-way-off replica can simply use % chart tape graphics supply store over pencil marks paint mod el leaving tape place preferable methOd requires littLe ef fort yields much satisfying result method requires determine final color model mix slightly darker shade paint Spray thin coat color entire model Obviously choose method apply paint before pen cil panel lines Now apply l/ chart tape modelbut over pencil line Trust Ill explain later Put next pencil line Also overlap chart tape two pieces cross must cut clear width tape ing crossed started again other side After tape has applied hatches simulated pieces adhesivebacked trim model painted final color paint dry tape can removed Now arent glad didnt put tape over pencil line pencil line would visible panel line Something will panel line however tape ad hesive use K&B paint like isnt big problem since can use lacquer thinner remove adhesive palnt use less durable paint Prep Sol auto supply store will remove adhesive will require little effort also recommended model sanded very carefully 600-grit paper re move panel line ridges caused paint filletContinued page 163 Tooting Own Horns hart Ball Liflk bOUt rotat IflkIng Thats bbIeWthUt efl g istIc ause e lot t0Ot Control icaod three4 variety es ball linJ ave stUrlable scalee reexact pushrOappearanc yoUa m h tighter ~5igned av Afid rn Ies5 control systeIllj Contro yoU add UP art aII HOrsi Wete Robotrie showing 0ff eXPensiv~gging SIX SIZES FOR ENGINES 15 TO 182 JT-8111 09 15 1495 JT-BP2 19 25 1495 JT-BP3 29- 056 1495 II sot available hobby shop ORDtR DIRECTfr immsdiateoieotheck MO Visa ftC sr COD acceptbd Add $250 UPS $3Afor COD 6% sales tax Calif residuots JT-BP4 60-901495 JT-BP5 MAX 90108 1795 JT BPS ST 25003000 2195 Y77TEEI StillS 255 ar STAMP FOR AOOITIOIIAI iNFO— AND JTEC CATALOG 184 School St. Dety City CA 94014 14151756-3400 June 1990 53 DC Aviations turbine body falring shown mounted Dynamax/Webra 80 combina tion reduces both drag fuel consump tion ducted-fan models Its simple light very effective modestly priced Ad dress price info found column oBBN SW NO~ Snuf-Vibe BACK PLATE MOUNTS Front Intake Engines Aluminum Back Plate Mounts ilgttt *ight easy install Just bolt engIne crank case mounts equipped BNUF-ViBE isolation system double proteefion engine bretlon Put Fun Back Fun Fly Get ROUN TUfT Today Its round S flat ftflies 3b Flying DISC STOL SUPERIOR SmaN Field Ft FUN FLY Aircraft STABLE PREDICTABLE Ft AGILE $4 7ius u s*xrping TXReedd7%saiestax 6 Foam & USe Ply Construction ELEVON Mixer lncludd 25-45cld 3- 3 lbs Accurate QUALITY Materials 4 ONLY j Money Back GUARANTEE W Business Model Products Box 10906 Suite 543 Austin TX 78766 512 2501420 512 444-3368 summer 1940 Jim Walker introduced A-J Fireball U-Control world Countless thousands got first taste model aviation excitement building flying famous airplane 10 commemorate 50th Anniversary birth A-J Fireball proudly announce special limited-edition kit Jim Walkers 1940 original kit contains U fully carved Balsa fusealage Balsa wing tail parts cut shape U hardware hardwood motor mount U decals U complete instructions illustrations U brief history A-J Fireball Offered limited edition 50th Anniversary A-J Fireball numbered dated signed just like kits first produced 1940 can make 60 kits available per month order yours TODAY YES Enclosed check money order $17950 YES cant decide Please send information A-J Manufacturing Inc PO Box 68132 Portland OR 97268 503 653-2038 CAN j0 0 ing success E-power So minireview Build light means keep weight down dont build weak Strength needed light weight everywhere per sonal view Fractional ounces countthey add up especially noticeable small Elec trics completed model may weigh 6-16 oz total Use good quality batteries handle properly small power systems often use 100- 500-mAh cells may tempting use leftovers some less demanding applica tion may help ensure disappointment Finally resist age-old temptation Dont overprop think bigger prop will surely make betterthink again guess simplest summary way put together Follow instructions year hope get seriously some mini-Electrics have some products mentioned above yearning return some childhood designslike Baby Phoenix maybe Zeek maybe PAA-Master maybe Some mail missingand maybe its yours Ive recently become aware some incoming mail having gone astray letters re member arriving sometime around winter hol idays have disappeared activity season letters reader letters to daughtersreference January 90 cover magazine wrote around time havent received reply please write again Im sorry happened apologize inconvenience Thank Some personal notes time year end February/beginning March sort anni versary time year time 18 years ago first successful Electric flight shoulder-high sorta radiocontrolled circle immediately followed pow ered sink time year seven years ago go ing through agonizing tempting decisionmaking period opportunity write Electric series Model Aviation handful folks encouraging wife Wilma friend Herb Carl Wheeley John Grigg John Worth some others No discouraging uncertain Unsure Afraid Inexperi enced tempted say no tempted say yes Well know what happened looking back have say Im very fortu nate guy opportunity folks encouraging feel somehow made right choice Most important however hope made right choice seems case evidenced hundreds letters receive annually Very friendly letters Thankful letters Questioning let ters Letters offering info Letters offering chal lenge Letters promoting thought Letters suggest ing topics column Letters kids Let ters senior kids-at-heart Great letters very few folks fortunate I want thank anniversary time year being much part small Electric endeavor Model Aviation myself always please remember thing side pages Im just like Im modeler Im human Sometimes miss land ing sometimes get something col umn quite right orperhapsnot everyones liking have word will always very best job can Electric consumer supplier casual observer comment critique welcome will attempt answer questions accompanied SASE Please send author ad dress shown columns header time read should Happy Springtime Happy Electric Flying Thats what hobbys HAPPY RC Scale/Crooks Continued page 53 ing Since model will sprayed later clear imperfections can touched up sanded now will virtually disappear clear-coated event have fiberglass fuselage accurate panel lines molded Yellow Air craft & Hobby Supply Ltd s F-16 stance hard work has done Now go directly paint/tape/paint routine dramatic effect Heres suggestion priming fiber glass fuse molded-in detail infinitely better results will obtained primer sprayed brushed Very little primer will required detail wont lost procedure has added benefit making pinholes visible can filled easily Again K&B primer choice never-ending search documentation found source might help Navy has department Washington DC has copies Continued page 167 June 1990 163 REALISTIC PILOT FIGURES Figures Available Now 1/3 Civilian S Navy /4 Civilian / ME /s Civilian AE Bust $1995 & $4 UPS $795 & $3 UPS Bust Phone 201-996-4414 ENIGh1TS CF ThI AIIINC PO Box 187 Pittatown NJ 08867 RC Scale/Crooks Continued page 163 picture ever taken Navy photograph er request very specific about aircraft picture need Preferably should request picture aircraft type serial number approximate date squadron write address will clue particulars fees Customer Services Department Defense Still Media Records Cen ter Code SSRC Washington DC 20374-1681 want model look better have better ground handling Robart has just ticket have made excellent Giant Scale re tracts shock-absorbing struts some time Now have same quality retracts shock-absorbing struts 40/120-size models set designed specifically Yellow Aircraft F-4 kit However will work Spring-Air slimline retracts Fear solution Contact Robart theyll help Out Flying Dynamax/OS ducted-fan combina tion device available will help both fuel economy aircraft performance considerably called turbine-body fairing streamlines carburetor area en gine usual unfaired installation high-speed airflow creates negative draft carburetor enclosing area streamline rear engine carb now draws least neutralif positiveair pressure aerodynamically clean model SR-71 approximately 7-mph speed increase accompa RONS MODEL Radio Controlled BIJILDINGAirplaneN Other Aircraft Boats 213451-0484 Build Fly WeU Call Write 435 San Vicente Blvd J Santa Monica CA 90402I OTBE COOL HSTAY COOL PERFECT SHADS AT THE FLYING FIELDTRACEOUT CARPING OR AT ThE LAKE OFFICIAL SHADE TENT AT 1987 RATS FOR N/C PATFERN JUDGES SHADE TENT AT 1988 RATS AT R/C PAIFERR SITES FOR OFFICIALS HEADOUARTERS TENTS AND TRANSI4ITIER IMPOONDS POkThE$AT5 500141 ---- No center pole nearly 7 tall Opaque heat reflecting canopy QIX8E2LLN0 ---- 5 Minutes 6R1R LIOlnLWGHT Weighs 6 1/2 pounds WI8D8r15TANT 6110 Tested tD 48 MPH ADJUSTABLE -- Level tilted side EXFAIIDADIE ---- Too three can joined PRICE Econoey helD$39OD $488OPS Sportesan 6e15$4395s $488UPS Dining Nob$5788s $488UPS Sporthing 9s18$8358 $558UPS Mech Tote-Tarp 4116$ 795i $288OPS Trak-Lok-Eve Kit TAA2$1008$288UPS Trak-Iok-Eye Kit TAA3$1458 $288UPS CALLLEQLL FRSZ 1-800-421-4626 4MCO ORDERI OHALERS & DISTRIR5TOR CALLSNAf 209 SW BUCY AVE Free literature availahieBARTLESVILLEOK 74083 4M CoepanyPH 918-336-9445 want Scat Cat have twisted wing dont want unevenly pitched props take single-edge razor blade scrape back prop tip hub until perfectly flat stations should take few minutes Now unless youre ready try some trick top secret stuff youre done back blades However never quit Depending rpm diameter tips blades can turning 400-500 mph Does ajet airplane uti lize flat-bottom wing does pro peller accept lot drag run fulllength flat-bottom blades could get rid drag would turn blade faster could use larger blade same rpm either way youll first down #1 pylon start back blade about station sixor one-third blade length tipand carefully work toward tip piece 100-grit black sandpaper Take little off leading edge falr amount off trail ing edge being careful touch center blade approximately 30% back lead ing edge Compare blade other care fully Semisyminetrical fine just dont go too far Doing right takes lot practice get too frustrated simply take prop break half will feel lot better Usually takes two such sac rifices before have part mastered Another trick have known try deals inner root section blade part moving through air very fast Some say root doesnt provide thrust just con nects tip hub streamlined enough make root section pull its own weight Pic ture high-speed wing slow flight leading edge devices out flaps down PORT5-10ADSandI8AXzW$yS kits use R/Vs have canopy track nied fuel savings about ounce per min ute per engine fairings bargain $9 Contact DC Aviation PO Box 98 Big Rock IL 60511 some events comlng up summer Chicago area ones Im aware sponsored Fox Valley Aero Club FVAC St Charles IL First new Scale Masters Qualifier June 23-24 Sportsman Expert Giant Scale classes Contact Contest Manager Tom Walker 1-708/584-7616 Contest Director Dennis Crooks 1-708/556-3729 Next second annual FVAC Jet Rally July 21-22 models dont have Scale Contact Contest Director Don Kanak 1-708/ 416-6940 home 1-708/834-9005 office Finally August 19 FVAC hosts gen eral alr show event welcomes models Ugly Stiks contest-ready F-14 Tomcats Contact Larry Sperling 1-708/3101222 Bob Walker 1-708/584-7616 would like participate show RC Pylon Racing/Hager Continued page 54 check stations three through about nine com pare blade other pitch dont care doesnt pitch out what advertised Its critical Remember propeller nothing rotating wing Its job move mass air rearward resulting forward thrust does airfoil lower pressure top blade pitch tries provide healthy angle attack given rpm airspeed CAT NO 106 Proof Switch Retail S995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax IMPROVE YOUR 1991 SWITCH OVER eJj Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER 0 ej unavailable locally send Bru Line Industries Inc Box 3786 Center Line Ml 48015 June 1990 167
Edition: Model Aviation - 1990/06
Page Numbers: 52, 53, 163, 167
SURFACE detailing Scale model number ways simulate panel lines model require fair amount effort properly first important requirement have accurate set three-views determine accuracy divide known dimension wing span three-view wingspan model will provide number will used multiply dimensions taken three view determine dimensions model Whew Now random pick some easily measured features three-view aileron length canopy length elevator span example Multiply using conversion factor found earlier see closely three-view matches model Keep mind information galned accurate measuring device youre using drawing highly recommend good dial caliper length index finger second knuckleplus littlewill hardly Now youve determined threeviews completely worthless try find ac curate set aware model ac curate will futile search sure model accurate will likely find three-views match perfectly dimension Now fun begins model should placed level surface pool table blocked up perfectly level directions Armed An example OT using / cnarr tape aesine panci mines r- i inc IIIuucI accurate three-views calculator dial painted tape wiil removed DennisCrooks explains entire process coiumn calipers other measuring device start nose work tail Due inev- divide length model quarters known man plus soft pencil start marking itable errors could easily run out airplane concentrate locating panel lines within will likely have better luck panel lines left over boundaries way inconsistencies can 52 Model Aviation Radio Control Scale Dennis Crooks PO Box 98 Big Rock IL 6051 EZ Dago Red Mustang fitted new Robostruts main gear legs Theres no ionger good reason keep using springy unreaiistic music wire landing gear legs Scale ships An excellent example surface detaiilng Bert BakerlYeiiow Aircraft WW Ii Japanese Zero kit modei built Don Kanak ut tie extra effort spent buliding finishing stage wiil sureiy improve craftsmanship score static judging circie contests confined small area flexible straight edge will invaluab]e run compound curves panel lines have drawn model soft pencil mistake made 400-grit sandpaper works very well eraser Once panel lines have transferred three-view model would good idea gather markings used finished product Now time discover well whole thing coordinates Some fudg ing may order ensure panels mark ings work together satisfied well can begin taping case simulating lap joint use Scotch fine-line masking tape brush primer K&B over edge want line ap plication primer will enough Wait hour brush another coat has dried least 24 hours carefully sand primer down tape feather other edge model surface tape re moved will appear piece sheet metal overlapping another panel line created two panels simply ted together great deal easier duplicate building stand-way-off replica can simply use % chart tape graphics supply store over pencil marks paint mod el leaving tape place preferable methOd requires littLe ef fort yields much satisfying result method requires determine final color model mix slightly darker shade paint Spray thin coat color entire model Obviously choose method apply paint before pen cil panel lines Now apply l/ chart tape modelbut over pencil line Trust Ill explain later Put next pencil line Also overlap chart tape two pieces cross must cut clear width tape ing crossed started again other side After tape has applied hatches simulated pieces adhesivebacked trim model painted final color paint dry tape can removed Now arent glad didnt put tape over pencil line pencil line would visible panel line Something will panel line however tape ad hesive use K&B paint like isnt big problem since can use lacquer thinner remove adhesive palnt use less durable paint Prep Sol auto supply store will remove adhesive will require little effort also recommended model sanded very carefully 600-grit paper re move panel line ridges caused paint filletContinued page 163 Tooting Own Horns hart Ball Liflk bOUt rotat IflkIng Thats bbIeWthUt efl g istIc ause e lot t0Ot Control icaod three4 variety es ball linJ ave stUrlable scalee reexact pushrOappearanc yoUa m h tighter ~5igned av Afid rn Ies5 control systeIllj Contro yoU add UP art aII HOrsi Wete Robotrie showing 0ff eXPensiv~gging SIX SIZES FOR ENGINES 15 TO 182 JT-8111 09 15 1495 JT-BP2 19 25 1495 JT-BP3 29- 056 1495 II sot available hobby shop ORDtR DIRECTfr immsdiateoieotheck MO Visa ftC sr COD acceptbd Add $250 UPS $3Afor COD 6% sales tax Calif residuots JT-BP4 60-901495 JT-BP5 MAX 90108 1795 JT BPS ST 25003000 2195 Y77TEEI StillS 255 ar STAMP FOR AOOITIOIIAI iNFO— AND JTEC CATALOG 184 School St. Dety City CA 94014 14151756-3400 June 1990 53 DC Aviations turbine body falring shown mounted Dynamax/Webra 80 combina tion reduces both drag fuel consump tion ducted-fan models Its simple light very effective modestly priced Ad dress price info found column oBBN SW NO~ Snuf-Vibe BACK PLATE MOUNTS Front Intake Engines Aluminum Back Plate Mounts ilgttt *ight easy install Just bolt engIne crank case mounts equipped BNUF-ViBE isolation system double proteefion engine bretlon Put Fun Back Fun Fly Get ROUN TUfT Today Its round S flat ftflies 3b Flying DISC STOL SUPERIOR SmaN Field Ft FUN FLY Aircraft STABLE PREDICTABLE Ft AGILE $4 7ius u s*xrping TXReedd7%saiestax 6 Foam & USe Ply Construction ELEVON Mixer lncludd 25-45cld 3- 3 lbs Accurate QUALITY Materials 4 ONLY j Money Back GUARANTEE W Business Model Products Box 10906 Suite 543 Austin TX 78766 512 2501420 512 444-3368 summer 1940 Jim Walker introduced A-J Fireball U-Control world Countless thousands got first taste model aviation excitement building flying famous airplane 10 commemorate 50th Anniversary birth A-J Fireball proudly announce special limited-edition kit Jim Walkers 1940 original kit contains U fully carved Balsa fusealage Balsa wing tail parts cut shape U hardware hardwood motor mount U decals U complete instructions illustrations U brief history A-J Fireball Offered limited edition 50th Anniversary A-J Fireball numbered dated signed just like kits first produced 1940 can make 60 kits available per month order yours TODAY YES Enclosed check money order $17950 YES cant decide Please send information A-J Manufacturing Inc PO Box 68132 Portland OR 97268 503 653-2038 CAN j0 0 ing success E-power So minireview Build light means keep weight down dont build weak Strength needed light weight everywhere per sonal view Fractional ounces countthey add up especially noticeable small Elec trics completed model may weigh 6-16 oz total Use good quality batteries handle properly small power systems often use 100- 500-mAh cells may tempting use leftovers some less demanding applica tion may help ensure disappointment Finally resist age-old temptation Dont overprop think bigger prop will surely make betterthink again guess simplest summary way put together Follow instructions year hope get seriously some mini-Electrics have some products mentioned above yearning return some childhood designslike Baby Phoenix maybe Zeek maybe PAA-Master maybe Some mail missingand maybe its yours Ive recently become aware some incoming mail having gone astray letters re member arriving sometime around winter hol idays have disappeared activity season letters reader letters to daughtersreference January 90 cover magazine wrote around time havent received reply please write again Im sorry happened apologize inconvenience Thank Some personal notes time year end February/beginning March sort anni versary time year time 18 years ago first successful Electric flight shoulder-high sorta radiocontrolled circle immediately followed pow ered sink time year seven years ago go ing through agonizing tempting decisionmaking period opportunity write Electric series Model Aviation handful folks encouraging wife Wilma friend Herb Carl Wheeley John Grigg John Worth some others No discouraging uncertain Unsure Afraid Inexperi enced tempted say no tempted say yes Well know what happened looking back have say Im very fortu nate guy opportunity folks encouraging feel somehow made right choice Most important however hope made right choice seems case evidenced hundreds letters receive annually Very friendly letters Thankful letters Questioning let ters Letters offering info Letters offering chal lenge Letters promoting thought Letters suggest ing topics column Letters kids Let ters senior kids-at-heart Great letters very few folks fortunate I want thank anniversary time year being much part small Electric endeavor Model Aviation myself always please remember thing side pages Im just like Im modeler Im human Sometimes miss land ing sometimes get something col umn quite right orperhapsnot everyones liking have word will always very best job can Electric consumer supplier casual observer comment critique welcome will attempt answer questions accompanied SASE Please send author ad dress shown columns header time read should Happy Springtime Happy Electric Flying Thats what hobbys HAPPY RC Scale/Crooks Continued page 53 ing Since model will sprayed later clear imperfections can touched up sanded now will virtually disappear clear-coated event have fiberglass fuselage accurate panel lines molded Yellow Air craft & Hobby Supply Ltd s F-16 stance hard work has done Now go directly paint/tape/paint routine dramatic effect Heres suggestion priming fiber glass fuse molded-in detail infinitely better results will obtained primer sprayed brushed Very little primer will required detail wont lost procedure has added benefit making pinholes visible can filled easily Again K&B primer choice never-ending search documentation found source might help Navy has department Washington DC has copies Continued page 167 June 1990 163 REALISTIC PILOT FIGURES Figures Available Now 1/3 Civilian S Navy /4 Civilian / ME /s Civilian AE Bust $1995 & $4 UPS $795 & $3 UPS Bust Phone 201-996-4414 ENIGh1TS CF ThI AIIINC PO Box 187 Pittatown NJ 08867 RC Scale/Crooks Continued page 163 picture ever taken Navy photograph er request very specific about aircraft picture need Preferably should request picture aircraft type serial number approximate date squadron write address will clue particulars fees Customer Services Department Defense Still Media Records Cen ter Code SSRC Washington DC 20374-1681 want model look better have better ground handling Robart has just ticket have made excellent Giant Scale re tracts shock-absorbing struts some time Now have same quality retracts shock-absorbing struts 40/120-size models set designed specifically Yellow Aircraft F-4 kit However will work Spring-Air slimline retracts Fear solution Contact Robart theyll help Out Flying Dynamax/OS ducted-fan combina tion device available will help both fuel economy aircraft performance considerably called turbine-body fairing streamlines carburetor area en gine usual unfaired installation high-speed airflow creates negative draft carburetor enclosing area streamline rear engine carb now draws least neutralif positiveair pressure aerodynamically clean model SR-71 approximately 7-mph speed increase accompa RONS MODEL Radio Controlled BIJILDINGAirplaneN Other Aircraft Boats 213451-0484 Build Fly WeU Call Write 435 San Vicente Blvd J Santa Monica CA 90402I OTBE COOL HSTAY COOL PERFECT SHADS AT THE FLYING FIELDTRACEOUT CARPING OR AT ThE LAKE OFFICIAL SHADE TENT AT 1987 RATS FOR N/C PATFERN JUDGES SHADE TENT AT 1988 RATS AT R/C PAIFERR SITES FOR OFFICIALS HEADOUARTERS TENTS AND TRANSI4ITIER IMPOONDS POkThE$AT5 500141 ---- No center pole nearly 7 tall Opaque heat reflecting canopy QIX8E2LLN0 ---- 5 Minutes 6R1R LIOlnLWGHT Weighs 6 1/2 pounds WI8D8r15TANT 6110 Tested tD 48 MPH ADJUSTABLE -- Level tilted side EXFAIIDADIE ---- Too three can joined PRICE Econoey helD$39OD $488OPS Sportesan 6e15$4395s $488UPS Dining Nob$5788s $488UPS Sporthing 9s18$8358 $558UPS Mech Tote-Tarp 4116$ 795i $288OPS Trak-Lok-Eve Kit TAA2$1008$288UPS Trak-Iok-Eye Kit TAA3$1458 $288UPS CALLLEQLL FRSZ 1-800-421-4626 4MCO ORDERI OHALERS & DISTRIR5TOR CALLSNAf 209 SW BUCY AVE Free literature availahieBARTLESVILLEOK 74083 4M CoepanyPH 918-336-9445 want Scat Cat have twisted wing dont want unevenly pitched props take single-edge razor blade scrape back prop tip hub until perfectly flat stations should take few minutes Now unless youre ready try some trick top secret stuff youre done back blades However never quit Depending rpm diameter tips blades can turning 400-500 mph Does ajet airplane uti lize flat-bottom wing does pro peller accept lot drag run fulllength flat-bottom blades could get rid drag would turn blade faster could use larger blade same rpm either way youll first down #1 pylon start back blade about station sixor one-third blade length tipand carefully work toward tip piece 100-grit black sandpaper Take little off leading edge falr amount off trail ing edge being careful touch center blade approximately 30% back lead ing edge Compare blade other care fully Semisyminetrical fine just dont go too far Doing right takes lot practice get too frustrated simply take prop break half will feel lot better Usually takes two such sac rifices before have part mastered Another trick have known try deals inner root section blade part moving through air very fast Some say root doesnt provide thrust just con nects tip hub streamlined enough make root section pull its own weight Pic ture high-speed wing slow flight leading edge devices out flaps down PORT5-10ADSandI8AXzW$yS kits use R/Vs have canopy track nied fuel savings about ounce per min ute per engine fairings bargain $9 Contact DC Aviation PO Box 98 Big Rock IL 60511 some events comlng up summer Chicago area ones Im aware sponsored Fox Valley Aero Club FVAC St Charles IL First new Scale Masters Qualifier June 23-24 Sportsman Expert Giant Scale classes Contact Contest Manager Tom Walker 1-708/584-7616 Contest Director Dennis Crooks 1-708/556-3729 Next second annual FVAC Jet Rally July 21-22 models dont have Scale Contact Contest Director Don Kanak 1-708/ 416-6940 home 1-708/834-9005 office Finally August 19 FVAC hosts gen eral alr show event welcomes models Ugly Stiks contest-ready F-14 Tomcats Contact Larry Sperling 1-708/3101222 Bob Walker 1-708/584-7616 would like participate show RC Pylon Racing/Hager Continued page 54 check stations three through about nine com pare blade other pitch dont care doesnt pitch out what advertised Its critical Remember propeller nothing rotating wing Its job move mass air rearward resulting forward thrust does airfoil lower pressure top blade pitch tries provide healthy angle attack given rpm airspeed CAT NO 106 Proof Switch Retail S995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax IMPROVE YOUR 1991 SWITCH OVER eJj Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER 0 ej unavailable locally send Bru Line Industries Inc Box 3786 Center Line Ml 48015 June 1990 167
Edition: Model Aviation - 1990/06
Page Numbers: 52, 53, 163, 167
SURFACE detailing Scale model number ways simulate panel lines model require fair amount effort properly first important requirement have accurate set three-views determine accuracy divide known dimension wing span three-view wingspan model will provide number will used multiply dimensions taken three view determine dimensions model Whew Now random pick some easily measured features three-view aileron length canopy length elevator span example Multiply using conversion factor found earlier see closely three-view matches model Keep mind information galned accurate measuring device youre using drawing highly recommend good dial caliper length index finger second knuckleplus littlewill hardly Now youve determined threeviews completely worthless try find ac curate set aware model ac curate will futile search sure model accurate will likely find three-views match perfectly dimension Now fun begins model should placed level surface pool table blocked up perfectly level directions Armed An example OT using / cnarr tape aesine panci mines r- i inc IIIuucI accurate three-views calculator dial painted tape wiil removed DennisCrooks explains entire process coiumn calipers other measuring device start nose work tail Due inev- divide length model quarters known man plus soft pencil start marking itable errors could easily run out airplane concentrate locating panel lines within will likely have better luck panel lines left over boundaries way inconsistencies can 52 Model Aviation Radio Control Scale Dennis Crooks PO Box 98 Big Rock IL 6051 EZ Dago Red Mustang fitted new Robostruts main gear legs Theres no ionger good reason keep using springy unreaiistic music wire landing gear legs Scale ships An excellent example surface detaiilng Bert BakerlYeiiow Aircraft WW Ii Japanese Zero kit modei built Don Kanak ut tie extra effort spent buliding finishing stage wiil sureiy improve craftsmanship score static judging circie contests confined small area flexible straight edge will invaluab]e run compound curves panel lines have drawn model soft pencil mistake made 400-grit sandpaper works very well eraser Once panel lines have transferred three-view model would good idea gather markings used finished product Now time discover well whole thing coordinates Some fudg ing may order ensure panels mark ings work together satisfied well can begin taping case simulating lap joint use Scotch fine-line masking tape brush primer K&B over edge want line ap plication primer will enough Wait hour brush another coat has dried least 24 hours carefully sand primer down tape feather other edge model surface tape re moved will appear piece sheet metal overlapping another panel line created two panels simply ted together great deal easier duplicate building stand-way-off replica can simply use % chart tape graphics supply store over pencil marks paint mod el leaving tape place preferable methOd requires littLe ef fort yields much satisfying result method requires determine final color model mix slightly darker shade paint Spray thin coat color entire model Obviously choose method apply paint before pen cil panel lines Now apply l/ chart tape modelbut over pencil line Trust Ill explain later Put next pencil line Also overlap chart tape two pieces cross must cut clear width tape ing crossed started again other side After tape has applied hatches simulated pieces adhesivebacked trim model painted final color paint dry tape can removed Now arent glad didnt put tape over pencil line pencil line would visible panel line Something will panel line however tape ad hesive use K&B paint like isnt big problem since can use lacquer thinner remove adhesive palnt use less durable paint Prep Sol auto supply store will remove adhesive will require little effort also recommended model sanded very carefully 600-grit paper re move panel line ridges caused paint filletContinued page 163 Tooting Own Horns hart Ball Liflk bOUt rotat IflkIng Thats bbIeWthUt efl g istIc ause e lot t0Ot Control icaod three4 variety es ball linJ ave stUrlable scalee reexact pushrOappearanc yoUa m h tighter ~5igned av Afid rn Ies5 control systeIllj Contro yoU add UP art aII HOrsi Wete Robotrie showing 0ff eXPensiv~gging SIX SIZES FOR ENGINES 15 TO 182 JT-8111 09 15 1495 JT-BP2 19 25 1495 JT-BP3 29- 056 1495 II sot available hobby shop ORDtR DIRECTfr immsdiateoieotheck MO Visa ftC sr COD acceptbd Add $250 UPS $3Afor COD 6% sales tax Calif residuots JT-BP4 60-901495 JT-BP5 MAX 90108 1795 JT BPS ST 25003000 2195 Y77TEEI StillS 255 ar STAMP FOR AOOITIOIIAI iNFO— AND JTEC CATALOG 184 School St. Dety City CA 94014 14151756-3400 June 1990 53 DC Aviations turbine body falring shown mounted Dynamax/Webra 80 combina tion reduces both drag fuel consump tion ducted-fan models Its simple light very effective modestly priced Ad dress price info found column oBBN SW NO~ Snuf-Vibe BACK PLATE MOUNTS Front Intake Engines Aluminum Back Plate Mounts ilgttt *ight easy install Just bolt engIne crank case mounts equipped BNUF-ViBE isolation system double proteefion engine bretlon Put Fun Back Fun Fly Get ROUN TUfT Today Its round S flat ftflies 3b Flying DISC STOL SUPERIOR SmaN Field Ft FUN FLY Aircraft STABLE PREDICTABLE Ft AGILE $4 7ius u s*xrping TXReedd7%saiestax 6 Foam & USe Ply Construction ELEVON Mixer lncludd 25-45cld 3- 3 lbs Accurate QUALITY Materials 4 ONLY j Money Back GUARANTEE W Business Model Products Box 10906 Suite 543 Austin TX 78766 512 2501420 512 444-3368 summer 1940 Jim Walker introduced A-J Fireball U-Control world Countless thousands got first taste model aviation excitement building flying famous airplane 10 commemorate 50th Anniversary birth A-J Fireball proudly announce special limited-edition kit Jim Walkers 1940 original kit contains U fully carved Balsa fusealage Balsa wing tail parts cut shape U hardware hardwood motor mount U decals U complete instructions illustrations U brief history A-J Fireball Offered limited edition 50th Anniversary A-J Fireball numbered dated signed just like kits first produced 1940 can make 60 kits available per month order yours TODAY YES Enclosed check money order $17950 YES cant decide Please send information A-J Manufacturing Inc PO Box 68132 Portland OR 97268 503 653-2038 CAN j0 0 ing success E-power So minireview Build light means keep weight down dont build weak Strength needed light weight everywhere per sonal view Fractional ounces countthey add up especially noticeable small Elec trics completed model may weigh 6-16 oz total Use good quality batteries handle properly small power systems often use 100- 500-mAh cells may tempting use leftovers some less demanding applica tion may help ensure disappointment Finally resist age-old temptation Dont overprop think bigger prop will surely make betterthink again guess simplest summary way put together Follow instructions year hope get seriously some mini-Electrics have some products mentioned above yearning return some childhood designslike Baby Phoenix maybe Zeek maybe PAA-Master maybe Some mail missingand maybe its yours Ive recently become aware some incoming mail having gone astray letters re member arriving sometime around winter hol idays have disappeared activity season letters reader letters to daughtersreference January 90 cover magazine wrote around time havent received reply please write again Im sorry happened apologize inconvenience Thank Some personal notes time year end February/beginning March sort anni versary time year time 18 years ago first successful Electric flight shoulder-high sorta radiocontrolled circle immediately followed pow ered sink time year seven years ago go ing through agonizing tempting decisionmaking period opportunity write Electric series Model Aviation handful folks encouraging wife Wilma friend Herb Carl Wheeley John Grigg John Worth some others No discouraging uncertain Unsure Afraid Inexperi enced tempted say no tempted say yes Well know what happened looking back have say Im very fortu nate guy opportunity folks encouraging feel somehow made right choice Most important however hope made right choice seems case evidenced hundreds letters receive annually Very friendly letters Thankful letters Questioning let ters Letters offering info Letters offering chal lenge Letters promoting thought Letters suggest ing topics column Letters kids Let ters senior kids-at-heart Great letters very few folks fortunate I want thank anniversary time year being much part small Electric endeavor Model Aviation myself always please remember thing side pages Im just like Im modeler Im human Sometimes miss land ing sometimes get something col umn quite right orperhapsnot everyones liking have word will always very best job can Electric consumer supplier casual observer comment critique welcome will attempt answer questions accompanied SASE Please send author ad dress shown columns header time read should Happy Springtime Happy Electric Flying Thats what hobbys HAPPY RC Scale/Crooks Continued page 53 ing Since model will sprayed later clear imperfections can touched up sanded now will virtually disappear clear-coated event have fiberglass fuselage accurate panel lines molded Yellow Air craft & Hobby Supply Ltd s F-16 stance hard work has done Now go directly paint/tape/paint routine dramatic effect Heres suggestion priming fiber glass fuse molded-in detail infinitely better results will obtained primer sprayed brushed Very little primer will required detail wont lost procedure has added benefit making pinholes visible can filled easily Again K&B primer choice never-ending search documentation found source might help Navy has department Washington DC has copies Continued page 167 June 1990 163 REALISTIC PILOT FIGURES Figures Available Now 1/3 Civilian S Navy /4 Civilian / ME /s Civilian AE Bust $1995 & $4 UPS $795 & $3 UPS Bust Phone 201-996-4414 ENIGh1TS CF ThI AIIINC PO Box 187 Pittatown NJ 08867 RC Scale/Crooks Continued page 163 picture ever taken Navy photograph er request very specific about aircraft picture need Preferably should request picture aircraft type serial number approximate date squadron write address will clue particulars fees Customer Services Department Defense Still Media Records Cen ter Code SSRC Washington DC 20374-1681 want model look better have better ground handling Robart has just ticket have made excellent Giant Scale re tracts shock-absorbing struts some time Now have same quality retracts shock-absorbing struts 40/120-size models set designed specifically Yellow Aircraft F-4 kit However will work Spring-Air slimline retracts Fear solution Contact Robart theyll help Out Flying Dynamax/OS ducted-fan combina tion device available will help both fuel economy aircraft performance considerably called turbine-body fairing streamlines carburetor area en gine usual unfaired installation high-speed airflow creates negative draft carburetor enclosing area streamline rear engine carb now draws least neutralif positiveair pressure aerodynamically clean model SR-71 approximately 7-mph speed increase accompa RONS MODEL Radio Controlled BIJILDINGAirplaneN Other Aircraft Boats 213451-0484 Build Fly WeU Call Write 435 San Vicente Blvd J Santa Monica CA 90402I OTBE COOL HSTAY COOL PERFECT SHADS AT THE FLYING FIELDTRACEOUT CARPING OR AT ThE LAKE OFFICIAL SHADE TENT AT 1987 RATS FOR N/C PATFERN JUDGES SHADE TENT AT 1988 RATS AT R/C PAIFERR SITES FOR OFFICIALS HEADOUARTERS TENTS AND TRANSI4ITIER IMPOONDS POkThE$AT5 500141 ---- No center pole nearly 7 tall Opaque heat reflecting canopy QIX8E2LLN0 ---- 5 Minutes 6R1R LIOlnLWGHT Weighs 6 1/2 pounds WI8D8r15TANT 6110 Tested tD 48 MPH ADJUSTABLE -- Level tilted side EXFAIIDADIE ---- Too three can joined PRICE Econoey helD$39OD $488OPS Sportesan 6e15$4395s $488UPS Dining Nob$5788s $488UPS Sporthing 9s18$8358 $558UPS Mech Tote-Tarp 4116$ 795i $288OPS Trak-Lok-Eve Kit TAA2$1008$288UPS Trak-Iok-Eye Kit TAA3$1458 $288UPS CALLLEQLL FRSZ 1-800-421-4626 4MCO ORDERI OHALERS & DISTRIR5TOR CALLSNAf 209 SW BUCY AVE Free literature availahieBARTLESVILLEOK 74083 4M CoepanyPH 918-336-9445 want Scat Cat have twisted wing dont want unevenly pitched props take single-edge razor blade scrape back prop tip hub until perfectly flat stations should take few minutes Now unless youre ready try some trick top secret stuff youre done back blades However never quit Depending rpm diameter tips blades can turning 400-500 mph Does ajet airplane uti lize flat-bottom wing does pro peller accept lot drag run fulllength flat-bottom blades could get rid drag would turn blade faster could use larger blade same rpm either way youll first down #1 pylon start back blade about station sixor one-third blade length tipand carefully work toward tip piece 100-grit black sandpaper Take little off leading edge falr amount off trail ing edge being careful touch center blade approximately 30% back lead ing edge Compare blade other care fully Semisyminetrical fine just dont go too far Doing right takes lot practice get too frustrated simply take prop break half will feel lot better Usually takes two such sac rifices before have part mastered Another trick have known try deals inner root section blade part moving through air very fast Some say root doesnt provide thrust just con nects tip hub streamlined enough make root section pull its own weight Pic ture high-speed wing slow flight leading edge devices out flaps down PORT5-10ADSandI8AXzW$yS kits use R/Vs have canopy track nied fuel savings about ounce per min ute per engine fairings bargain $9 Contact DC Aviation PO Box 98 Big Rock IL 60511 some events comlng up summer Chicago area ones Im aware sponsored Fox Valley Aero Club FVAC St Charles IL First new Scale Masters Qualifier June 23-24 Sportsman Expert Giant Scale classes Contact Contest Manager Tom Walker 1-708/584-7616 Contest Director Dennis Crooks 1-708/556-3729 Next second annual FVAC Jet Rally July 21-22 models dont have Scale Contact Contest Director Don Kanak 1-708/ 416-6940 home 1-708/834-9005 office Finally August 19 FVAC hosts gen eral alr show event welcomes models Ugly Stiks contest-ready F-14 Tomcats Contact Larry Sperling 1-708/3101222 Bob Walker 1-708/584-7616 would like participate show RC Pylon Racing/Hager Continued page 54 check stations three through about nine com pare blade other pitch dont care doesnt pitch out what advertised Its critical Remember propeller nothing rotating wing Its job move mass air rearward resulting forward thrust does airfoil lower pressure top blade pitch tries provide healthy angle attack given rpm airspeed CAT NO 106 Proof Switch Retail S995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax IMPROVE YOUR 1991 SWITCH OVER eJj Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER 0 ej unavailable locally send Bru Line Industries Inc Box 3786 Center Line Ml 48015 June 1990 167
Edition: Model Aviation - 1990/06
Page Numbers: 52, 53, 163, 167
SURFACE detailing Scale model number ways simulate panel lines model require fair amount effort properly first important requirement have accurate set three-views determine accuracy divide known dimension wing span three-view wingspan model will provide number will used multiply dimensions taken three view determine dimensions model Whew Now random pick some easily measured features three-view aileron length canopy length elevator span example Multiply using conversion factor found earlier see closely three-view matches model Keep mind information galned accurate measuring device youre using drawing highly recommend good dial caliper length index finger second knuckleplus littlewill hardly Now youve determined threeviews completely worthless try find ac curate set aware model ac curate will futile search sure model accurate will likely find three-views match perfectly dimension Now fun begins model should placed level surface pool table blocked up perfectly level directions Armed An example OT using / cnarr tape aesine panci mines r- i inc IIIuucI accurate three-views calculator dial painted tape wiil removed DennisCrooks explains entire process coiumn calipers other measuring device start nose work tail Due inev- divide length model quarters known man plus soft pencil start marking itable errors could easily run out airplane concentrate locating panel lines within will likely have better luck panel lines left over boundaries way inconsistencies can 52 Model Aviation Radio Control Scale Dennis Crooks PO Box 98 Big Rock IL 6051 EZ Dago Red Mustang fitted new Robostruts main gear legs Theres no ionger good reason keep using springy unreaiistic music wire landing gear legs Scale ships An excellent example surface detaiilng Bert BakerlYeiiow Aircraft WW Ii Japanese Zero kit modei built Don Kanak ut tie extra effort spent buliding finishing stage wiil sureiy improve craftsmanship score static judging circie contests confined small area flexible straight edge will invaluab]e run compound curves panel lines have drawn model soft pencil mistake made 400-grit sandpaper works very well eraser Once panel lines have transferred three-view model would good idea gather markings used finished product Now time discover well whole thing coordinates Some fudg ing may order ensure panels mark ings work together satisfied well can begin taping case simulating lap joint use Scotch fine-line masking tape brush primer K&B over edge want line ap plication primer will enough Wait hour brush another coat has dried least 24 hours carefully sand primer down tape feather other edge model surface tape re moved will appear piece sheet metal overlapping another panel line created two panels simply ted together great deal easier duplicate building stand-way-off replica can simply use % chart tape graphics supply store over pencil marks paint mod el leaving tape place preferable methOd requires littLe ef fort yields much satisfying result method requires determine final color model mix slightly darker shade paint Spray thin coat color entire model Obviously choose method apply paint before pen cil panel lines Now apply l/ chart tape modelbut over pencil line Trust Ill explain later Put next pencil line Also overlap chart tape two pieces cross must cut clear width tape ing crossed started again other side After tape has applied hatches simulated pieces adhesivebacked trim model painted final color paint dry tape can removed Now arent glad didnt put tape over pencil line pencil line would visible panel line Something will panel line however tape ad hesive use K&B paint like isnt big problem since can use lacquer thinner remove adhesive palnt use less durable paint Prep Sol auto supply store will remove adhesive will require little effort also recommended model sanded very carefully 600-grit paper re move panel line ridges caused paint filletContinued page 163 Tooting Own Horns hart Ball Liflk bOUt rotat IflkIng Thats bbIeWthUt efl g istIc ause e lot t0Ot Control icaod three4 variety es ball linJ ave stUrlable scalee reexact pushrOappearanc yoUa m h tighter ~5igned av Afid rn Ies5 control systeIllj Contro yoU add UP art aII HOrsi Wete Robotrie showing 0ff eXPensiv~gging SIX SIZES FOR ENGINES 15 TO 182 JT-8111 09 15 1495 JT-BP2 19 25 1495 JT-BP3 29- 056 1495 II sot available hobby shop ORDtR DIRECTfr immsdiateoieotheck MO Visa ftC sr COD acceptbd Add $250 UPS $3Afor COD 6% sales tax Calif residuots JT-BP4 60-901495 JT-BP5 MAX 90108 1795 JT BPS ST 25003000 2195 Y77TEEI StillS 255 ar STAMP FOR AOOITIOIIAI iNFO— AND JTEC CATALOG 184 School St. Dety City CA 94014 14151756-3400 June 1990 53 DC Aviations turbine body falring shown mounted Dynamax/Webra 80 combina tion reduces both drag fuel consump tion ducted-fan models Its simple light very effective modestly priced Ad dress price info found column oBBN SW NO~ Snuf-Vibe BACK PLATE MOUNTS Front Intake Engines Aluminum Back Plate Mounts ilgttt *ight easy install Just bolt engIne crank case mounts equipped BNUF-ViBE isolation system double proteefion engine bretlon Put Fun Back Fun Fly Get ROUN TUfT Today Its round S flat ftflies 3b Flying DISC STOL SUPERIOR SmaN Field Ft FUN FLY Aircraft STABLE PREDICTABLE Ft AGILE $4 7ius u s*xrping TXReedd7%saiestax 6 Foam & USe Ply Construction ELEVON Mixer lncludd 25-45cld 3- 3 lbs Accurate QUALITY Materials 4 ONLY j Money Back GUARANTEE W Business Model Products Box 10906 Suite 543 Austin TX 78766 512 2501420 512 444-3368 summer 1940 Jim Walker introduced A-J Fireball U-Control world Countless thousands got first taste model aviation excitement building flying famous airplane 10 commemorate 50th Anniversary birth A-J Fireball proudly announce special limited-edition kit Jim Walkers 1940 original kit contains U fully carved Balsa fusealage Balsa wing tail parts cut shape U hardware hardwood motor mount U decals U complete instructions illustrations U brief history A-J Fireball Offered limited edition 50th Anniversary A-J Fireball numbered dated signed just like kits first produced 1940 can make 60 kits available per month order yours TODAY YES Enclosed check money order $17950 YES cant decide Please send information A-J Manufacturing Inc PO Box 68132 Portland OR 97268 503 653-2038 CAN j0 0 ing success E-power So minireview Build light means keep weight down dont build weak Strength needed light weight everywhere per sonal view Fractional ounces countthey add up especially noticeable small Elec trics completed model may weigh 6-16 oz total Use good quality batteries handle properly small power systems often use 100- 500-mAh cells may tempting use leftovers some less demanding applica tion may help ensure disappointment Finally resist age-old temptation Dont overprop think bigger prop will surely make betterthink again guess simplest summary way put together Follow instructions year hope get seriously some mini-Electrics have some products mentioned above yearning return some childhood designslike Baby Phoenix maybe Zeek maybe PAA-Master maybe Some mail missingand maybe its yours Ive recently become aware some incoming mail having gone astray letters re member arriving sometime around winter hol idays have disappeared activity season letters reader letters to daughtersreference January 90 cover magazine wrote around time havent received reply please write again Im sorry happened apologize inconvenience Thank Some personal notes time year end February/beginning March sort anni versary time year time 18 years ago first successful Electric flight shoulder-high sorta radiocontrolled circle immediately followed pow ered sink time year seven years ago go ing through agonizing tempting decisionmaking period opportunity write Electric series Model Aviation handful folks encouraging wife Wilma friend Herb Carl Wheeley John Grigg John Worth some others No discouraging uncertain Unsure Afraid Inexperi enced tempted say no tempted say yes Well know what happened looking back have say Im very fortu nate guy opportunity folks encouraging feel somehow made right choice Most important however hope made right choice seems case evidenced hundreds letters receive annually Very friendly letters Thankful letters Questioning let ters Letters offering info Letters offering chal lenge Letters promoting thought Letters suggest ing topics column Letters kids Let ters senior kids-at-heart Great letters very few folks fortunate I want thank anniversary time year being much part small Electric endeavor Model Aviation myself always please remember thing side pages Im just like Im modeler Im human Sometimes miss land ing sometimes get something col umn quite right orperhapsnot everyones liking have word will always very best job can Electric consumer supplier casual observer comment critique welcome will attempt answer questions accompanied SASE Please send author ad dress shown columns header time read should Happy Springtime Happy Electric Flying Thats what hobbys HAPPY RC Scale/Crooks Continued page 53 ing Since model will sprayed later clear imperfections can touched up sanded now will virtually disappear clear-coated event have fiberglass fuselage accurate panel lines molded Yellow Air craft & Hobby Supply Ltd s F-16 stance hard work has done Now go directly paint/tape/paint routine dramatic effect Heres suggestion priming fiber glass fuse molded-in detail infinitely better results will obtained primer sprayed brushed Very little primer will required detail wont lost procedure has added benefit making pinholes visible can filled easily Again K&B primer choice never-ending search documentation found source might help Navy has department Washington DC has copies Continued page 167 June 1990 163 REALISTIC PILOT FIGURES Figures Available Now 1/3 Civilian S Navy /4 Civilian / ME /s Civilian AE Bust $1995 & $4 UPS $795 & $3 UPS Bust Phone 201-996-4414 ENIGh1TS CF ThI AIIINC PO Box 187 Pittatown NJ 08867 RC Scale/Crooks Continued page 163 picture ever taken Navy photograph er request very specific about aircraft picture need Preferably should request picture aircraft type serial number approximate date squadron write address will clue particulars fees Customer Services Department Defense Still Media Records Cen ter Code SSRC Washington DC 20374-1681 want model look better have better ground handling Robart has just ticket have made excellent Giant Scale re tracts shock-absorbing struts some time Now have same quality retracts shock-absorbing struts 40/120-size models set designed specifically Yellow Aircraft F-4 kit However will work Spring-Air slimline retracts Fear solution Contact Robart theyll help Out Flying Dynamax/OS ducted-fan combina tion device available will help both fuel economy aircraft performance considerably called turbine-body fairing streamlines carburetor area en gine usual unfaired installation high-speed airflow creates negative draft carburetor enclosing area streamline rear engine carb now draws least neutralif positiveair pressure aerodynamically clean model SR-71 approximately 7-mph speed increase accompa RONS MODEL Radio Controlled BIJILDINGAirplaneN Other Aircraft Boats 213451-0484 Build Fly WeU Call Write 435 San Vicente Blvd J Santa Monica CA 90402I OTBE COOL HSTAY COOL PERFECT SHADS AT THE FLYING FIELDTRACEOUT CARPING OR AT ThE LAKE OFFICIAL SHADE TENT AT 1987 RATS FOR N/C PATFERN JUDGES SHADE TENT AT 1988 RATS AT R/C PAIFERR SITES FOR OFFICIALS HEADOUARTERS TENTS AND TRANSI4ITIER IMPOONDS POkThE$AT5 500141 ---- No center pole nearly 7 tall Opaque heat reflecting canopy QIX8E2LLN0 ---- 5 Minutes 6R1R LIOlnLWGHT Weighs 6 1/2 pounds WI8D8r15TANT 6110 Tested tD 48 MPH ADJUSTABLE -- Level tilted side EXFAIIDADIE ---- Too three can joined PRICE Econoey helD$39OD $488OPS Sportesan 6e15$4395s $488UPS Dining Nob$5788s $488UPS Sporthing 9s18$8358 $558UPS Mech Tote-Tarp 4116$ 795i $288OPS Trak-Lok-Eve Kit TAA2$1008$288UPS Trak-Iok-Eye Kit TAA3$1458 $288UPS CALLLEQLL FRSZ 1-800-421-4626 4MCO ORDERI OHALERS & DISTRIR5TOR CALLSNAf 209 SW BUCY AVE Free literature availahieBARTLESVILLEOK 74083 4M CoepanyPH 918-336-9445 want Scat Cat have twisted wing dont want unevenly pitched props take single-edge razor blade scrape back prop tip hub until perfectly flat stations should take few minutes Now unless youre ready try some trick top secret stuff youre done back blades However never quit Depending rpm diameter tips blades can turning 400-500 mph Does ajet airplane uti lize flat-bottom wing does pro peller accept lot drag run fulllength flat-bottom blades could get rid drag would turn blade faster could use larger blade same rpm either way youll first down #1 pylon start back blade about station sixor one-third blade length tipand carefully work toward tip piece 100-grit black sandpaper Take little off leading edge falr amount off trail ing edge being careful touch center blade approximately 30% back lead ing edge Compare blade other care fully Semisyminetrical fine just dont go too far Doing right takes lot practice get too frustrated simply take prop break half will feel lot better Usually takes two such sac rifices before have part mastered Another trick have known try deals inner root section blade part moving through air very fast Some say root doesnt provide thrust just con nects tip hub streamlined enough make root section pull its own weight Pic ture high-speed wing slow flight leading edge devices out flaps down PORT5-10ADSandI8AXzW$yS kits use R/Vs have canopy track nied fuel savings about ounce per min ute per engine fairings bargain $9 Contact DC Aviation PO Box 98 Big Rock IL 60511 some events comlng up summer Chicago area ones Im aware sponsored Fox Valley Aero Club FVAC St Charles IL First new Scale Masters Qualifier June 23-24 Sportsman Expert Giant Scale classes Contact Contest Manager Tom Walker 1-708/584-7616 Contest Director Dennis Crooks 1-708/556-3729 Next second annual FVAC Jet Rally July 21-22 models dont have Scale Contact Contest Director Don Kanak 1-708/ 416-6940 home 1-708/834-9005 office Finally August 19 FVAC hosts gen eral alr show event welcomes models Ugly Stiks contest-ready F-14 Tomcats Contact Larry Sperling 1-708/3101222 Bob Walker 1-708/584-7616 would like participate show RC Pylon Racing/Hager Continued page 54 check stations three through about nine com pare blade other pitch dont care doesnt pitch out what advertised Its critical Remember propeller nothing rotating wing Its job move mass air rearward resulting forward thrust does airfoil lower pressure top blade pitch tries provide healthy angle attack given rpm airspeed CAT NO 106 Proof Switch Retail S995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax IMPROVE YOUR 1991 SWITCH OVER eJj Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER 0 ej unavailable locally send Bru Line Industries Inc Box 3786 Center Line Ml 48015 June 1990 167