Control Line SCALE Bill Boss BASIC TIPS continued last months column discussed problems re lated building flying Ryan STA model built Dave Mullens Seat tle WA problems presented proper installation wheels wheel pants model tracking taxiing Another Daves problems didnt get last month overheating engine particular model will comment Ryan prob lem would also like cover other types planes perhaps suggest some ways coping engine cooling problems have reviewed Ryan STA project barring use new engine broken-in find engine cooling should major problem new improperly brokenin engine can cause overheating under best circumstances So purposes item will assume use good steady-running properly-sized engine model used reason said properly-sized can have instant overheating problem using engine too small models weight tendency using engine too small builder lean out extreme trying extra revs power required cope too-large model An over-lean en gine means extreme heat possibility -4/ C SKETCH- B sketch shows three types engine cowlings can present model-engine cooling problems column discusses detail has some ideas solve problems doing engine damage Remember its better use larger engine can throt tled back rather smaller engine limits power range common cause engines overheating scale models relates desire hide engine completely within models engine cowling pro viding sufficient flow air over engine through cowling proper cooling major fault found scale models builder didnt take advantage built-in cooling arrangements incorporated real plane review some arrangements would appro priate Lets start Ryan look some possible reasons over heating problem Sketch shows front side views Ryans engine cowling can see several openings can used good advantage cooling models engine First note side view can see good-sized space desig nated engine cowling appears Continued page 158 two modelsRon Sears PT-17 Stearman Mike Weishans B-25Cpretty well represent extremes comes engine cooling PT-17s engine sits out breeze B-25s hidden cowlings Both models flew 1982 Nats Sears 1st Precision Scale Weishans 2nd Sport Scale PT-i 7 powered ST 80 weighs 111/2 lb 1/6-scale built modified Sterling kit B-25 began Royal kit uses 2 Enya 40s weighs 11 lb has WW II 9th Air Force Tunisia colors Photos Mike Gretz Juiy 1983 63 SKI WIIJSSONG 134 wing span 17 1 aspect ratio annel control system flops elevator uilerons coupled rudder aileron trim refleoing ailerons high speed flignt spoilers eden reflexed fully THE BEST LIGHT LIFT GLIDER ON THE MARKET Hlsn folly aerobatic agile Ene slop& THE KING GF SGARIRG MACHINES~ SElIE 2 STAMPS FOR THE INFGRMHTIVE CATALOG HF OAR COMPLETE LINE HF SOLID-CORE MGLTI CHANNEL HIGH PERFORMANCE GLIDERS finest soaring nachines available todayl Ill 514g NH ready long day flying field Bonanza very smooth respon sive air will turn tight corners both inside out inside corners tend crisp outside may need over-control outside squares doesnt take long get dif ference down pat Now just fill up big tank have fun CL Scale/Boss Continued page 63 meet fuselage space real Ryan other planes type used air vent engine cooling eliminate space snugging l5 DESIGNS TODAY Multichannel Control lidcore Wings 0 Fiberglass Fuselager $1HHH50 0 4 5 5 SEE HOP KITS AND GOP MGLTICHANNEL GLIDERS IN ACTIGS SEE OGR PHAM WING CONSTROCTION SESGENCE HN HUH FREE HG MINGTE VHS VIDEO BEFHRE HHO SGMl THE THPE IS ALSO HELP- 5 POLL DORING CONSTRUCTION AND WHEN INSTALLING E THE CONTROLS Just send 51 GG shipping . 525 reFundaBle deposit Co address DODGSON DESIGNS SW Cansano CLEVELAND GIANT PLANS N Not nnster eying otodels 1/32 Ia 1/4 sine IC C L F/F R.bb, sin, 5ooe 1910 theo onnohnei Ak old 10he r00, deoun .00ib10i 000 Reol CoIloolo 100 ii 00 oio folio.. Fioloiven encice dont aaeboieodNi5ofoeoionioninioo Of0 Poioiiy iioiioiod 0ooe 10 oboe OOc aooii Coo hon N doom iriood CLEVELAND MODEL & SUPPLY CO e3e7e CAdOhn44i02 cowl fuselage what feel better appearance making serious mistake eliminating good cooling vent also down grading static fidelity score fol lowing real planes construction Also seen side front views cowl outlets engine exhaust stacks B main lower cooling vent C air intakes D E F effort should made utilize cowl inlets outlets maximum engine cooling case make use exhaust stack outlets venting models engine exhaust can accomplished installing exhaust manifold such made Tatone engine running neoprene hose appropriate size through cowls exhaust stack openings Also sure cut openings cowl other inlets outlets marked G F sketches object get best possible airtlow over engine through cowl note dashed lines representing airflow sketch general rule have used own scale models has worked successfully total cowl air outlet area should least twice size inlet area addition air coming cowl directed toward over engine cooling fins might necessary some models build baffles etc sure air flowing directly over en gine Sketches B C further examples cowlings could present engine-cooling problems handled properly Sketch B P-40 Sketch C radial-enginetype cowling builder should take advan tage cowl flap area enginecompartment cooling both cases modeler should modify construct fuselage engine nacelle such way area under cowl flap location will open free obstructions next step would simulate open cowl flaps cutting bending aluminum cowl used proper locations make cowl flaps material appropriate model under construction Providing engine cowling openings manner will gen erally permit sufficient amount air pass through models engine cowl proper engine cooling case P-40-type models might want provide additional openings around dummy inline engine exhaust stacks small openings will provide surprisingly good amount airflow engine compartment Remember study real planes engine cooling details take advantage possible opening constructing model little extra thought ingenuity part will go long way toward cooler better-running engine knows might want try ultimate some dayvorking cowl flaps will provide necessary engine cooling will also provide extra points inA DUAL PERSOHAUTY TRAINER GEENIS BEAUTIFUL SUPER CHAMP DEALERs DISTRIBUTOR INQUIRIES INVITED WS 54 2035 ENGINES 3 CHANNEL THE BEGINNERS KITTEN AND EXPERTS TIGER Reenlutinnary snap Rn WiflQ eliminates boltn robber bandn Complete $54 95 dealer direcl GEMINI MODELS INC PO Boo 1168 Passaic NJ 07055 Fine Quality Flying Models Catalog S150 98 RUBBER POWER KITS plus Gliders CIL R/C Accessories Books 44 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 158 Model Aviation IN 1110 2-METER OGH CAMARO lGO U iC-MINSOW ARE GCNVRATIOIiS AHEAD OF THE CHMPETITIONl liii Price 91950 LEAR FAN72 Wing Span Designed Single lie Sport 45 Scale PianoSchneurte Engine VOGELAVIATION L DIVISION BOX 54 RESEDA CA 91335 IncDealer inquiries 1n IrIRAI invited High performance model engine connecting rods connecging rods made nhe best materials available designed give long service eliminate rod breakage modern high-Perfor mance model engines Used leading aircraft boat car racers hobbyists Rods available popular model engines Look no RPM new innovative products proven performance records Richardson Precision Machining Inc 5070 Golden Dr. San Jose CA 9512914081257-7059 SOMERS RC CLUBS 5th Annual MAMMOTH SCALE FLY-IN Premier Northeast Event 0 p Join us great weekend super Aircraft lots Flying terrific Pilots warm camaraderie marvelous flying site smooth organization yours enjoy Fun Event spectators flyers alike EVE NTS Best Craftsmanship Most Realistic Flight Pilots Choice August 13th & 14th 1983 atSomersRC Flying Field 20 miles north White Plains New York off 1-684 exit 6 signs field AMA/FCC required Pre-registration fee $1500 $2000 site sanctioned event pre-registration further information contact Frank Gorham lony Glen Drive Pleasantville NY 10570 914 769-1348 flight operational feature Send ideas CL Scale Bill Boss 77-06 269th St New Hyde Park NY /1040 CL Aerobatics/Paul Continued paoe 64 mer nothing worse two wires hanging down wing wheels themlooks just like toy airplane finally take day paint up couple propellers match paint scheme blend painted-up spinner provided still have old Veco aluminum spinner available painting new fin wing tips could blend new area wing panels new numbers name plane Shooting Star could become Sky Rocket II three-in let ters instead two-in ones course could ow ready-made plane friend repaint name numbers wing universal choice name gripe judges dont get appearance points think deserve digress lets stick plane built yourself working wing could also paint black simulated cer boot along leading edge tast&fully done will look like supposed could hide some leading edge dings etc Now lets look some finer points hiding 5our mistakes' maybe its called subterfuge Lets first go back time originally building plane process stripping old down bare wood instance have some seams showing between blocks fuselage sides try design paint scheme edge trim stripe along seam wing has some ripples surfaces try break up long lines some sort confusing designsa series diminishing rectangles multi-stripes have small-size airplane remember light colors will make look bigger air Conversely dark colors will make plane look smaller Once plane painted world ways cover up 'bad spots trim lines small decals 'presson ers could David Gierke did once wing fillet cracking fuselage joint use some atched Performance TOP PERFORMA KEB ENGINES 15 Airplane 4 Marine K&B FUELSK&B GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE K&B FIBtRGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POXY THNNER K&B SUPER POSY PRIMERK&B SUPER FOXY FAINT K&B MIXING CUPS press-on letters spell out stress crack arrow Outlining trim stripes black Rapidograph ink covers up fuzzy lines looks good also decide make liberal use press-on letters certain out usage over plane Dont put top plane because judges turn plane over will such difference will probably count against plastic adhesive covering great help emergency cover-ups certain well-known World Champion has used MonoKote patch over adjustable tipweight box several years Adhesive coverings can used cover up rips tears well bad fillets paste-on' may look great will look better damaged area trying reconstruct rebuild cowling first thing youll have use about four applications K2R Spot Lifter remove much fuel soaking possible addition may have cut out large sections completely fuel-soaked areas fill scrap balsa order rebuild have used fiberglass resin micro-balloons extensively rebuilding PEACH HOBBIES RADIO CONTROL H EADQUARTERS 6100 Hamilton Road mbus Georgia 31904 MAIL ORDERS WELCOME Special Prices Radios Ennes ft Fuel 404 324-7112 July 1983 159 cb 90 ls0 OKEE 4 Favorite Span65Eng.45-60 Area754 sq in4 Channel Send $075 latest price list literature Quality RIC Products Since 1960 VK MODEL AIRCRAFT CO 4350 Arondale Dr williameville NY 14221 Phone 716 632-4838
Edition: Model Aviation - 1983/07
Page Numbers: 63, 158, 159
Control Line SCALE Bill Boss BASIC TIPS continued last months column discussed problems re lated building flying Ryan STA model built Dave Mullens Seat tle WA problems presented proper installation wheels wheel pants model tracking taxiing Another Daves problems didnt get last month overheating engine particular model will comment Ryan prob lem would also like cover other types planes perhaps suggest some ways coping engine cooling problems have reviewed Ryan STA project barring use new engine broken-in find engine cooling should major problem new improperly brokenin engine can cause overheating under best circumstances So purposes item will assume use good steady-running properly-sized engine model used reason said properly-sized can have instant overheating problem using engine too small models weight tendency using engine too small builder lean out extreme trying extra revs power required cope too-large model An over-lean en gine means extreme heat possibility -4/ C SKETCH- B sketch shows three types engine cowlings can present model-engine cooling problems column discusses detail has some ideas solve problems doing engine damage Remember its better use larger engine can throt tled back rather smaller engine limits power range common cause engines overheating scale models relates desire hide engine completely within models engine cowling pro viding sufficient flow air over engine through cowling proper cooling major fault found scale models builder didnt take advantage built-in cooling arrangements incorporated real plane review some arrangements would appro priate Lets start Ryan look some possible reasons over heating problem Sketch shows front side views Ryans engine cowling can see several openings can used good advantage cooling models engine First note side view can see good-sized space desig nated engine cowling appears Continued page 158 two modelsRon Sears PT-17 Stearman Mike Weishans B-25Cpretty well represent extremes comes engine cooling PT-17s engine sits out breeze B-25s hidden cowlings Both models flew 1982 Nats Sears 1st Precision Scale Weishans 2nd Sport Scale PT-i 7 powered ST 80 weighs 111/2 lb 1/6-scale built modified Sterling kit B-25 began Royal kit uses 2 Enya 40s weighs 11 lb has WW II 9th Air Force Tunisia colors Photos Mike Gretz Juiy 1983 63 SKI WIIJSSONG 134 wing span 17 1 aspect ratio annel control system flops elevator uilerons coupled rudder aileron trim refleoing ailerons high speed flignt spoilers eden reflexed fully THE BEST LIGHT LIFT GLIDER ON THE MARKET Hlsn folly aerobatic agile Ene slop& THE KING GF SGARIRG MACHINES~ SElIE 2 STAMPS FOR THE INFGRMHTIVE CATALOG HF OAR COMPLETE LINE HF SOLID-CORE MGLTI CHANNEL HIGH PERFORMANCE GLIDERS finest soaring nachines available todayl Ill 514g NH ready long day flying field Bonanza very smooth respon sive air will turn tight corners both inside out inside corners tend crisp outside may need over-control outside squares doesnt take long get dif ference down pat Now just fill up big tank have fun CL Scale/Boss Continued page 63 meet fuselage space real Ryan other planes type used air vent engine cooling eliminate space snugging l5 DESIGNS TODAY Multichannel Control lidcore Wings 0 Fiberglass Fuselager $1HHH50 0 4 5 5 SEE HOP KITS AND GOP MGLTICHANNEL GLIDERS IN ACTIGS SEE OGR PHAM WING CONSTROCTION SESGENCE HN HUH FREE HG MINGTE VHS VIDEO BEFHRE HHO SGMl THE THPE IS ALSO HELP- 5 POLL DORING CONSTRUCTION AND WHEN INSTALLING E THE CONTROLS Just send 51 GG shipping . 525 reFundaBle deposit Co address DODGSON DESIGNS SW Cansano CLEVELAND GIANT PLANS N Not nnster eying otodels 1/32 Ia 1/4 sine IC C L F/F R.bb, sin, 5ooe 1910 theo onnohnei Ak old 10he r00, deoun .00ib10i 000 Reol CoIloolo 100 ii 00 oio folio.. Fioloiven encice dont aaeboieodNi5ofoeoionioninioo Of0 Poioiiy iioiioiod 0ooe 10 oboe OOc aooii Coo hon N doom iriood CLEVELAND MODEL & SUPPLY CO e3e7e CAdOhn44i02 cowl fuselage what feel better appearance making serious mistake eliminating good cooling vent also down grading static fidelity score fol lowing real planes construction Also seen side front views cowl outlets engine exhaust stacks B main lower cooling vent C air intakes D E F effort should made utilize cowl inlets outlets maximum engine cooling case make use exhaust stack outlets venting models engine exhaust can accomplished installing exhaust manifold such made Tatone engine running neoprene hose appropriate size through cowls exhaust stack openings Also sure cut openings cowl other inlets outlets marked G F sketches object get best possible airtlow over engine through cowl note dashed lines representing airflow sketch general rule have used own scale models has worked successfully total cowl air outlet area should least twice size inlet area addition air coming cowl directed toward over engine cooling fins might necessary some models build baffles etc sure air flowing directly over en gine Sketches B C further examples cowlings could present engine-cooling problems handled properly Sketch B P-40 Sketch C radial-enginetype cowling builder should take advan tage cowl flap area enginecompartment cooling both cases modeler should modify construct fuselage engine nacelle such way area under cowl flap location will open free obstructions next step would simulate open cowl flaps cutting bending aluminum cowl used proper locations make cowl flaps material appropriate model under construction Providing engine cowling openings manner will gen erally permit sufficient amount air pass through models engine cowl proper engine cooling case P-40-type models might want provide additional openings around dummy inline engine exhaust stacks small openings will provide surprisingly good amount airflow engine compartment Remember study real planes engine cooling details take advantage possible opening constructing model little extra thought ingenuity part will go long way toward cooler better-running engine knows might want try ultimate some dayvorking cowl flaps will provide necessary engine cooling will also provide extra points inA DUAL PERSOHAUTY TRAINER GEENIS BEAUTIFUL SUPER CHAMP DEALERs DISTRIBUTOR INQUIRIES INVITED WS 54 2035 ENGINES 3 CHANNEL THE BEGINNERS KITTEN AND EXPERTS TIGER Reenlutinnary snap Rn WiflQ eliminates boltn robber bandn Complete $54 95 dealer direcl GEMINI MODELS INC PO Boo 1168 Passaic NJ 07055 Fine Quality Flying Models Catalog S150 98 RUBBER POWER KITS plus Gliders CIL R/C Accessories Books 44 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 158 Model Aviation IN 1110 2-METER OGH CAMARO lGO U iC-MINSOW ARE GCNVRATIOIiS AHEAD OF THE CHMPETITIONl liii Price 91950 LEAR FAN72 Wing Span Designed Single lie Sport 45 Scale PianoSchneurte Engine VOGELAVIATION L DIVISION BOX 54 RESEDA CA 91335 IncDealer inquiries 1n IrIRAI invited High performance model engine connecting rods connecging rods made nhe best materials available designed give long service eliminate rod breakage modern high-Perfor mance model engines Used leading aircraft boat car racers hobbyists Rods available popular model engines Look no RPM new innovative products proven performance records Richardson Precision Machining Inc 5070 Golden Dr. San Jose CA 9512914081257-7059 SOMERS RC CLUBS 5th Annual MAMMOTH SCALE FLY-IN Premier Northeast Event 0 p Join us great weekend super Aircraft lots Flying terrific Pilots warm camaraderie marvelous flying site smooth organization yours enjoy Fun Event spectators flyers alike EVE NTS Best Craftsmanship Most Realistic Flight Pilots Choice August 13th & 14th 1983 atSomersRC Flying Field 20 miles north White Plains New York off 1-684 exit 6 signs field AMA/FCC required Pre-registration fee $1500 $2000 site sanctioned event pre-registration further information contact Frank Gorham lony Glen Drive Pleasantville NY 10570 914 769-1348 flight operational feature Send ideas CL Scale Bill Boss 77-06 269th St New Hyde Park NY /1040 CL Aerobatics/Paul Continued paoe 64 mer nothing worse two wires hanging down wing wheels themlooks just like toy airplane finally take day paint up couple propellers match paint scheme blend painted-up spinner provided still have old Veco aluminum spinner available painting new fin wing tips could blend new area wing panels new numbers name plane Shooting Star could become Sky Rocket II three-in let ters instead two-in ones course could ow ready-made plane friend repaint name numbers wing universal choice name gripe judges dont get appearance points think deserve digress lets stick plane built yourself working wing could also paint black simulated cer boot along leading edge tast&fully done will look like supposed could hide some leading edge dings etc Now lets look some finer points hiding 5our mistakes' maybe its called subterfuge Lets first go back time originally building plane process stripping old down bare wood instance have some seams showing between blocks fuselage sides try design paint scheme edge trim stripe along seam wing has some ripples surfaces try break up long lines some sort confusing designsa series diminishing rectangles multi-stripes have small-size airplane remember light colors will make look bigger air Conversely dark colors will make plane look smaller Once plane painted world ways cover up 'bad spots trim lines small decals 'presson ers could David Gierke did once wing fillet cracking fuselage joint use some atched Performance TOP PERFORMA KEB ENGINES 15 Airplane 4 Marine K&B FUELSK&B GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE K&B FIBtRGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POXY THNNER K&B SUPER POSY PRIMERK&B SUPER FOXY FAINT K&B MIXING CUPS press-on letters spell out stress crack arrow Outlining trim stripes black Rapidograph ink covers up fuzzy lines looks good also decide make liberal use press-on letters certain out usage over plane Dont put top plane because judges turn plane over will such difference will probably count against plastic adhesive covering great help emergency cover-ups certain well-known World Champion has used MonoKote patch over adjustable tipweight box several years Adhesive coverings can used cover up rips tears well bad fillets paste-on' may look great will look better damaged area trying reconstruct rebuild cowling first thing youll have use about four applications K2R Spot Lifter remove much fuel soaking possible addition may have cut out large sections completely fuel-soaked areas fill scrap balsa order rebuild have used fiberglass resin micro-balloons extensively rebuilding PEACH HOBBIES RADIO CONTROL H EADQUARTERS 6100 Hamilton Road mbus Georgia 31904 MAIL ORDERS WELCOME Special Prices Radios Ennes ft Fuel 404 324-7112 July 1983 159 cb 90 ls0 OKEE 4 Favorite Span65Eng.45-60 Area754 sq in4 Channel Send $075 latest price list literature Quality RIC Products Since 1960 VK MODEL AIRCRAFT CO 4350 Arondale Dr williameville NY 14221 Phone 716 632-4838
Edition: Model Aviation - 1983/07
Page Numbers: 63, 158, 159
Control Line SCALE Bill Boss BASIC TIPS continued last months column discussed problems re lated building flying Ryan STA model built Dave Mullens Seat tle WA problems presented proper installation wheels wheel pants model tracking taxiing Another Daves problems didnt get last month overheating engine particular model will comment Ryan prob lem would also like cover other types planes perhaps suggest some ways coping engine cooling problems have reviewed Ryan STA project barring use new engine broken-in find engine cooling should major problem new improperly brokenin engine can cause overheating under best circumstances So purposes item will assume use good steady-running properly-sized engine model used reason said properly-sized can have instant overheating problem using engine too small models weight tendency using engine too small builder lean out extreme trying extra revs power required cope too-large model An over-lean en gine means extreme heat possibility -4/ C SKETCH- B sketch shows three types engine cowlings can present model-engine cooling problems column discusses detail has some ideas solve problems doing engine damage Remember its better use larger engine can throt tled back rather smaller engine limits power range common cause engines overheating scale models relates desire hide engine completely within models engine cowling pro viding sufficient flow air over engine through cowling proper cooling major fault found scale models builder didnt take advantage built-in cooling arrangements incorporated real plane review some arrangements would appro priate Lets start Ryan look some possible reasons over heating problem Sketch shows front side views Ryans engine cowling can see several openings can used good advantage cooling models engine First note side view can see good-sized space desig nated engine cowling appears Continued page 158 two modelsRon Sears PT-17 Stearman Mike Weishans B-25Cpretty well represent extremes comes engine cooling PT-17s engine sits out breeze B-25s hidden cowlings Both models flew 1982 Nats Sears 1st Precision Scale Weishans 2nd Sport Scale PT-i 7 powered ST 80 weighs 111/2 lb 1/6-scale built modified Sterling kit B-25 began Royal kit uses 2 Enya 40s weighs 11 lb has WW II 9th Air Force Tunisia colors Photos Mike Gretz Juiy 1983 63 SKI WIIJSSONG 134 wing span 17 1 aspect ratio annel control system flops elevator uilerons coupled rudder aileron trim refleoing ailerons high speed flignt spoilers eden reflexed fully THE BEST LIGHT LIFT GLIDER ON THE MARKET Hlsn folly aerobatic agile Ene slop& THE KING GF SGARIRG MACHINES~ SElIE 2 STAMPS FOR THE INFGRMHTIVE CATALOG HF OAR COMPLETE LINE HF SOLID-CORE MGLTI CHANNEL HIGH PERFORMANCE GLIDERS finest soaring nachines available todayl Ill 514g NH ready long day flying field Bonanza very smooth respon sive air will turn tight corners both inside out inside corners tend crisp outside may need over-control outside squares doesnt take long get dif ference down pat Now just fill up big tank have fun CL Scale/Boss Continued page 63 meet fuselage space real Ryan other planes type used air vent engine cooling eliminate space snugging l5 DESIGNS TODAY Multichannel Control lidcore Wings 0 Fiberglass Fuselager $1HHH50 0 4 5 5 SEE HOP KITS AND GOP MGLTICHANNEL GLIDERS IN ACTIGS SEE OGR PHAM WING CONSTROCTION SESGENCE HN HUH FREE HG MINGTE VHS VIDEO BEFHRE HHO SGMl THE THPE IS ALSO HELP- 5 POLL DORING CONSTRUCTION AND WHEN INSTALLING E THE CONTROLS Just send 51 GG shipping . 525 reFundaBle deposit Co address DODGSON DESIGNS SW Cansano CLEVELAND GIANT PLANS N Not nnster eying otodels 1/32 Ia 1/4 sine IC C L F/F R.bb, sin, 5ooe 1910 theo onnohnei Ak old 10he r00, deoun .00ib10i 000 Reol CoIloolo 100 ii 00 oio folio.. Fioloiven encice dont aaeboieodNi5ofoeoionioninioo Of0 Poioiiy iioiioiod 0ooe 10 oboe OOc aooii Coo hon N doom iriood CLEVELAND MODEL & SUPPLY CO e3e7e CAdOhn44i02 cowl fuselage what feel better appearance making serious mistake eliminating good cooling vent also down grading static fidelity score fol lowing real planes construction Also seen side front views cowl outlets engine exhaust stacks B main lower cooling vent C air intakes D E F effort should made utilize cowl inlets outlets maximum engine cooling case make use exhaust stack outlets venting models engine exhaust can accomplished installing exhaust manifold such made Tatone engine running neoprene hose appropriate size through cowls exhaust stack openings Also sure cut openings cowl other inlets outlets marked G F sketches object get best possible airtlow over engine through cowl note dashed lines representing airflow sketch general rule have used own scale models has worked successfully total cowl air outlet area should least twice size inlet area addition air coming cowl directed toward over engine cooling fins might necessary some models build baffles etc sure air flowing directly over en gine Sketches B C further examples cowlings could present engine-cooling problems handled properly Sketch B P-40 Sketch C radial-enginetype cowling builder should take advan tage cowl flap area enginecompartment cooling both cases modeler should modify construct fuselage engine nacelle such way area under cowl flap location will open free obstructions next step would simulate open cowl flaps cutting bending aluminum cowl used proper locations make cowl flaps material appropriate model under construction Providing engine cowling openings manner will gen erally permit sufficient amount air pass through models engine cowl proper engine cooling case P-40-type models might want provide additional openings around dummy inline engine exhaust stacks small openings will provide surprisingly good amount airflow engine compartment Remember study real planes engine cooling details take advantage possible opening constructing model little extra thought ingenuity part will go long way toward cooler better-running engine knows might want try ultimate some dayvorking cowl flaps will provide necessary engine cooling will also provide extra points inA DUAL PERSOHAUTY TRAINER GEENIS BEAUTIFUL SUPER CHAMP DEALERs DISTRIBUTOR INQUIRIES INVITED WS 54 2035 ENGINES 3 CHANNEL THE BEGINNERS KITTEN AND EXPERTS TIGER Reenlutinnary snap Rn WiflQ eliminates boltn robber bandn Complete $54 95 dealer direcl GEMINI MODELS INC PO Boo 1168 Passaic NJ 07055 Fine Quality Flying Models Catalog S150 98 RUBBER POWER KITS plus Gliders CIL R/C Accessories Books 44 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 158 Model Aviation IN 1110 2-METER OGH CAMARO lGO U iC-MINSOW ARE GCNVRATIOIiS AHEAD OF THE CHMPETITIONl liii Price 91950 LEAR FAN72 Wing Span Designed Single lie Sport 45 Scale PianoSchneurte Engine VOGELAVIATION L DIVISION BOX 54 RESEDA CA 91335 IncDealer inquiries 1n IrIRAI invited High performance model engine connecting rods connecging rods made nhe best materials available designed give long service eliminate rod breakage modern high-Perfor mance model engines Used leading aircraft boat car racers hobbyists Rods available popular model engines Look no RPM new innovative products proven performance records Richardson Precision Machining Inc 5070 Golden Dr. San Jose CA 9512914081257-7059 SOMERS RC CLUBS 5th Annual MAMMOTH SCALE FLY-IN Premier Northeast Event 0 p Join us great weekend super Aircraft lots Flying terrific Pilots warm camaraderie marvelous flying site smooth organization yours enjoy Fun Event spectators flyers alike EVE NTS Best Craftsmanship Most Realistic Flight Pilots Choice August 13th & 14th 1983 atSomersRC Flying Field 20 miles north White Plains New York off 1-684 exit 6 signs field AMA/FCC required Pre-registration fee $1500 $2000 site sanctioned event pre-registration further information contact Frank Gorham lony Glen Drive Pleasantville NY 10570 914 769-1348 flight operational feature Send ideas CL Scale Bill Boss 77-06 269th St New Hyde Park NY /1040 CL Aerobatics/Paul Continued paoe 64 mer nothing worse two wires hanging down wing wheels themlooks just like toy airplane finally take day paint up couple propellers match paint scheme blend painted-up spinner provided still have old Veco aluminum spinner available painting new fin wing tips could blend new area wing panels new numbers name plane Shooting Star could become Sky Rocket II three-in let ters instead two-in ones course could ow ready-made plane friend repaint name numbers wing universal choice name gripe judges dont get appearance points think deserve digress lets stick plane built yourself working wing could also paint black simulated cer boot along leading edge tast&fully done will look like supposed could hide some leading edge dings etc Now lets look some finer points hiding 5our mistakes' maybe its called subterfuge Lets first go back time originally building plane process stripping old down bare wood instance have some seams showing between blocks fuselage sides try design paint scheme edge trim stripe along seam wing has some ripples surfaces try break up long lines some sort confusing designsa series diminishing rectangles multi-stripes have small-size airplane remember light colors will make look bigger air Conversely dark colors will make plane look smaller Once plane painted world ways cover up 'bad spots trim lines small decals 'presson ers could David Gierke did once wing fillet cracking fuselage joint use some atched Performance TOP PERFORMA KEB ENGINES 15 Airplane 4 Marine K&B FUELSK&B GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE K&B FIBtRGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POXY THNNER K&B SUPER POSY PRIMERK&B SUPER FOXY FAINT K&B MIXING CUPS press-on letters spell out stress crack arrow Outlining trim stripes black Rapidograph ink covers up fuzzy lines looks good also decide make liberal use press-on letters certain out usage over plane Dont put top plane because judges turn plane over will such difference will probably count against plastic adhesive covering great help emergency cover-ups certain well-known World Champion has used MonoKote patch over adjustable tipweight box several years Adhesive coverings can used cover up rips tears well bad fillets paste-on' may look great will look better damaged area trying reconstruct rebuild cowling first thing youll have use about four applications K2R Spot Lifter remove much fuel soaking possible addition may have cut out large sections completely fuel-soaked areas fill scrap balsa order rebuild have used fiberglass resin micro-balloons extensively rebuilding PEACH HOBBIES RADIO CONTROL H EADQUARTERS 6100 Hamilton Road mbus Georgia 31904 MAIL ORDERS WELCOME Special Prices Radios Ennes ft Fuel 404 324-7112 July 1983 159 cb 90 ls0 OKEE 4 Favorite Span65Eng.45-60 Area754 sq in4 Channel Send $075 latest price list literature Quality RIC Products Since 1960 VK MODEL AIRCRAFT CO 4350 Arondale Dr williameville NY 14221 Phone 716 632-4838