George M Myers Reporter Timothy J Myers Photographer columnists admire te about what secret about what latent kernal ofprinciple exists recognized inside events orge F Will News week 1/19/81 WE FEEL same way about reviewing event like WRAMS show would easy photograph attended list what displayed feel useful discover trend behind attendance displays Therefore 1981 year chip NE5044 Last year NE5044 made its appearance premium-quality Ace RC Silver Seven Airtronics XL because made control conditioning like XPO mixing simple year NE5044 being used basic 4-channel no-frills sportmodel transmitters good reason NE5044 permits manufacturer vastly sim plify transmitter encoder reducing number parts operations tremendously taking step forward performance reli ability example lets look World Engines Expert Mark IV Dave Brown Master Pattern flier show representing own Dave Brown Pro ducts 8534 Huddleston Cincinnati OH 45236 wants us look printed-circuit board World Engines Expert Mark IV transmitter Notice small number widely spaced lands / relative previous designs Part due simplification because NE5044 Another part use linear slide potentiometers electical trims instead usual rotary type slide pots soldered directly board thereby saving 1 8 manufacturing operations per installation As can see virtually wires gone Only wires control sticks batteries antenna remain wire eliminated saves money World Engines Expert Mark IV features interchangeable fre quency modules red flashing LED place meter youll get used Otherwise strongly resembles previous World Expert system people walk right past noticing change World Engines 8960 Ros sash Ave Cincinnati OH 45236 Donna Runge accompanied husband Tom show explain Ace RC Inc has purchased Pro-Line will support existing Pro-Line radio excellent net work Ace service centers Pro-Line will get NES 044 way nroducina built-un version Ace kit Silver Seven transmitter Ace also showed new module Silver 28 Model Aviation Seven provides two three XPO channels two-channel mixer Ace RC Inc Box 5 liE Higginsville MO 64037 else using NE5044 chip Well Kraft new 5X system Futaba using low-priced systems already know about Airtronics have sold thousands XL systems owners love Incidently Airtronics 12160 Woodruff Ave Downey CA 90241 hasnothingtodowithCox Hobbies 4400 West 78th St Minneapolis MN 55435 So Cox/Sanwa system NE5044 needs service send Customer Service Department ofCox Hobbies Now dont have rush out sell present set just because someone has found way make next set cheaper Yours wont work poorer main thing consider time buy next system may have moved little closer time everything else getting expensive price good-quality RC systems going down Thats significance NE5 044 trend appeared less satis fying have already discussed Fewer models exhibited reasons given some exhibitors talked 1 Models getting larger display space isnt 2 WRAMs club organizers show make no provision getting large Continued page 133 ENOUGH ABOUT RADIOS WHAT ELSE IS HAPPENING Eric Startup Sullivan Products 535 Davisville Rd Willow Grove PA 19090 displays 4 9 types flexible push/pull rods offered Sullivan Harry Pfeister chap background Sullivan also stressing new 12/24 volt blue starters have enough torque start Quadra other Monster enginea good way keep hands well out harms way June 1981 29 Richair imports series large-size fiberglass Scale sailplanes made Switzerland shown PIK-20D Others line include Jantar LS-1 C Some span up 17 ft Good thermal slope soaring chap right Steve Hangartner can address him Richair 172 Washington Ave Pleasantville NY 10570 George appreciates fact Steve uses towplane launch monsters since son Tim have done over 250 tows some doubles 2 towlines 2 sailplanes 1 tug Bill Charlie Cannon lMr Mrsl join nanosto presentineirnewesi addition G-Mark line engines twin-cylinder 30 Cu Schnuerle-ported beauty RC George loves its looks much predicts itll sellout hits market Theyre still pushing line fine Cannon RC systems non-NE5044-chip Bill promises surprising announcement thatarea soon Meanwhile cry Smaller beautiful continue provide engines RC equipment prove Dick Tax shows us much room left over inside 049-powered P-Si after install 4-ch Cannon Super-Micro RC system See sign rexer rigleisKi snows us mat Litco still makes flight packs fit almost transmitter theyve matched 135 s pulse code Putaba Contest 7 hasa pulse-change rangewhich nearly double common RC systems A~ACKER good-looking foam plane ex cellent fun-fly contests Big thick wing washout make docile yet maneuverable Illustrated plans much hardware & large full color decal sheet Wing Span 48 Construc tion All-Foam Radio 4 Channel Engine 19 404995 SWEET STIK simple build & fun flying model Larger version popular Das Little Stik Full-size plans & much hardware cluding motor mounts & hinges Wing Span 54 Construction All-Balsa Ra dio 4 Channel Engine 19-40 T-CRAVF stand-off scale model offering best flight performance Kit builds quickly contains full-size plans de tailed instruction booklet vacuum formed cowl & wheel parts & much hardware Wing Span 55-1/2 Con struction Balsa Radio 4 4995 Channel Engine 2945 Send 50 forMIDWEST PRODUCTS COMPANY complete catalog400 S Indiana Street Hobart Indiana 46342 Fiberglass MaterialsSCALE DOCUMENTATIONCARBON FIBER TAPE Ssquareyards$1500SCALE ORAwINTOS BOOKLETS005 x 1 25 wide choice 6 01 cloth 2 Hour Epoxy Resin$ 500 per qt Mold Release$300 1601 Epoxy Primer IK&R S30O0per gal25ft SOft ft EpoxyPaintmnnerfK&RI S15OOpergalEPLA-TECH$895 $1495 $2695 California Residents add 6% Sales Tax check MoneyINTFRNATIONAL $100 ph Order onlySorry No COOs 1KENZIE l-4$AIVSLOPE ASSOCIATES2317 n 63d Rob Smith RIC AircraftCATALOGS $200 VIGA OREGON 274BB SEATTLE A/A 98103 PO Box 33335 Oranada Hills CA 91344 two rods should fall roughly under majorany bubbles have leak system mustjoining headpipe pipe adapter requires diameter Clamp 3/16-in rodjig vertically inseal leaks must brazeda headpipe end piece design 0a vise Wrap several layers masking tapeoverring easily accessible inspection replacearound 3/16-in rod tailpipe spacerment Machine piece -in OD alumi rest joint cones meet forms aFinish produce professional-looking pipenum stock small trough metal will flow around whilefile Joints smooth Remove little metal as0-ring 0-ring use made silicone capillary action will form nice weld Now youpossible wont weaken joints Sand theis red can purchased rubber ready braze Use same procedure aspipe wet 320 paper remove file marksproducts supplier ordered number ARP before Remember melting rod will flowand follow wet 400 paper steel wool toward heat As rod begins melt worksoap pad such SOS used brighten the flame around joint flow melting rodpipe high luster Working soap padPipe adapter feel gas flow completely aroundaround pipe gives best finish Clean thecylinder through pipe adapter pipe pipe thoroughly water certain theshould smooth possible gases Pressure check use piece automobile gaspipe still has no leaks perform another pressureexiting exhaust port following piston line tubing slip over tailpipe place mycheckin downward motion tried blend inside finger over headpipe hole pipe under water blow gas line detectHeadpipe end piece method use ntinued page 134 WRAMS/Myers Continued page 29 models route separate used general public exhibitors wait lobby enter rest ticket holders can imagine its much fun carrying Quarter Scale model over heads pushing shoving crowd mills around three right-angle turns down low-ceilinged flight stairs also no unloading dock some exhibitors less pleased procedure hasnt improved 13 years 3 Other procedural annoy ances Judging purely places found crowds large part public Comes see models WRAMs will RAM Radio Controlled Models Chicago IL offered number little red boxes house accessories RC systemand couple could lifesavers George thought best item Battery Backer Its part airborne system senses flight pack battery voltagewhen drops below preset value device switches spare pack turns integral beeper might able hearthe thing planes air youll sure hear after landespecially since cant just switch off Another vital item Dual Servo Setterit detects loss transmitters signal sends two servos positions have pre-selected maybe engine-cutoff deploy parachute Other items included low-voltage alarms receiver transmitter LED Go/No-Go boxes same job ESV shirt-pocket timer concepts may new thats no reason ignore June1981 133 hurt hope see fit improve selves model matters exhibitors ers wont display Continued ag 7A REVOLUTIONARY NEW CHARGER C-50/4 MEN AUTOMATIC R/C SYSTEM CHARGER Extends life nicadi Extends capacity nicad Adds reliability nicads never before achieved charger Restores marginal batteries full power potential Batteries can left charge indefinitely damaging cells Fast chargesautomat ically Renders other chargers obsolete Now after i/o years development testing MEN Inc confidently intro duces its revolutionary C-50/4 Auto matic Pulse R/G System Charger unlike other charger have ever used DC charger pulsed charger therefore operates differently giving different resuha suitable control pulse height pulse rate charging batteries accomplished addition Out standing battery reliability produced charger several side benefits occur First batteries can left charger ipdefinitely simply means after flight session can put R/C system charge leave until youre ready fly again nest day next week next yearno need ever wonder about CL Speed/Hempel passage adapter conform downward flow pattern Engine get performance tuned pipe engine must set up properly Nick Sher tells done excellent article ModelAviation May 1979 Running pipe Start engine rich needle setting As turn needle valve leaner engine should come pipe engine will need fuel happens prepared immediately open needle valve about rn needle opened too far engine will fall off pipe happens just repeat process mentioned above get engine back pipe want gratefully acknowledge support have received Luther Roy project ideas criticisms encouragement have extremely valuable excellent machining ability can observed photos pipe adapter flaring tool sincerely hope time readers column make attempt build pipe will appreciate amount effort goes putting together such constructive article hope everyone enjoys article Tell em read Model Aviation Speed column next Speed column will tell modify Cox 049/051 cylinder rpm Gene Hempel 301 North Yale St Garland TX 75042 M icrofilm/Tenny Continued page 63 Relative humidity can affect microfilm pouring sessions much atmosphenc pressure serious about pouring microfilm simple barometer will enable record barometric pressure batch microfilm solution works well pressure different great amount surprised have different results pouring session general humidity can vary quite bit hindering formation good film humidity very high solvent evaporation film warm water can go fast film will cool enough condense moisture happens possible film will blush turn cloudy white Such film will very weak probably can lifted water Try much cooler water solvents will evaporate quickly wait longer before trying lift film 4PATTERN AND04,p 4 HIGH SPEED PROPELLERS oU DUYAIRSCREWft CUSTOM HIGH PERFORMANCE MAPLE PROPELLERS Propeller designed using symmetrical profile Individually precision hand balanced Accurale airfoil pitch Only high quality straight grain Eastern Maple used 8/ X 6% FORMULA 1 lOX 6 11X7 11X7/2 11X8 CUSTOM DESIGN UPON REQUEST SW PRODUCTS 5634 CRYSTAL COURT SANTA ROSA CA 95404 PRONE 707 526SARA Add 5100 P, SiS'O SAAIig charge long charge Just plug system leave till youre ready fly again Second battery tests can done charger example can test open battery cells shorted battery cells hi-leakage cells low ca pacity cells hi-impedance cells conditions can detected early lead disaster new MEN C-S0/4 charger available 3 models cover R/C needs 48 volts/g6 volts 48 volts/60 volts 48 volts/12 volts ca pable charging systems 240 MAH through 4 amps hour capscity new MEN C-S0/4 Charger rep resents latest ate art battery chargers No serious H/C en thusiast should Royal Electronics Sid Gates says appreciate friendship help will soon have RC systems chip want information write Jerry did show Cyclecharger d is- Bradshaw 3619 Hillcrest Lane Sacramento charges recharges battery packs 16-hr CA 95821 telephone number 916 487-9620 rate Also shown prototype Digitester still under development combines functions digital pulse-width meter digital voltmeter digital tach via option kitsitll also have outputs serve bench power supply battery charger servo cycler George hopes get hands describe regular Radio Tech nique column ANNOUNCING THE INTRODUCTION OF THE ALL NEW NELSON COMPETITION 15 ENGINE STANDARD AND R/C AVAILABLE JUNE 1 1981 complete formation send large stamped self-addressed envelope Kustom Kraftsmanship P0 Box 2699 Laguna Hills CA 92653 Dealer inquiries invited 134 Model Aviation
Edition: Model Aviation - 1981/06
Page Numbers: 28, 29, 133, 134
George M Myers Reporter Timothy J Myers Photographer columnists admire te about what secret about what latent kernal ofprinciple exists recognized inside events orge F Will News week 1/19/81 WE FEEL same way about reviewing event like WRAMS show would easy photograph attended list what displayed feel useful discover trend behind attendance displays Therefore 1981 year chip NE5044 Last year NE5044 made its appearance premium-quality Ace RC Silver Seven Airtronics XL because made control conditioning like XPO mixing simple year NE5044 being used basic 4-channel no-frills sportmodel transmitters good reason NE5044 permits manufacturer vastly sim plify transmitter encoder reducing number parts operations tremendously taking step forward performance reli ability example lets look World Engines Expert Mark IV Dave Brown Master Pattern flier show representing own Dave Brown Pro ducts 8534 Huddleston Cincinnati OH 45236 wants us look printed-circuit board World Engines Expert Mark IV transmitter Notice small number widely spaced lands / relative previous designs Part due simplification because NE5044 Another part use linear slide potentiometers electical trims instead usual rotary type slide pots soldered directly board thereby saving 1 8 manufacturing operations per installation As can see virtually wires gone Only wires control sticks batteries antenna remain wire eliminated saves money World Engines Expert Mark IV features interchangeable fre quency modules red flashing LED place meter youll get used Otherwise strongly resembles previous World Expert system people walk right past noticing change World Engines 8960 Ros sash Ave Cincinnati OH 45236 Donna Runge accompanied husband Tom show explain Ace RC Inc has purchased Pro-Line will support existing Pro-Line radio excellent net work Ace service centers Pro-Line will get NES 044 way nroducina built-un version Ace kit Silver Seven transmitter Ace also showed new module Silver 28 Model Aviation Seven provides two three XPO channels two-channel mixer Ace RC Inc Box 5 liE Higginsville MO 64037 else using NE5044 chip Well Kraft new 5X system Futaba using low-priced systems already know about Airtronics have sold thousands XL systems owners love Incidently Airtronics 12160 Woodruff Ave Downey CA 90241 hasnothingtodowithCox Hobbies 4400 West 78th St Minneapolis MN 55435 So Cox/Sanwa system NE5044 needs service send Customer Service Department ofCox Hobbies Now dont have rush out sell present set just because someone has found way make next set cheaper Yours wont work poorer main thing consider time buy next system may have moved little closer time everything else getting expensive price good-quality RC systems going down Thats significance NE5 044 trend appeared less satis fying have already discussed Fewer models exhibited reasons given some exhibitors talked 1 Models getting larger display space isnt 2 WRAMs club organizers show make no provision getting large Continued page 133 ENOUGH ABOUT RADIOS WHAT ELSE IS HAPPENING Eric Startup Sullivan Products 535 Davisville Rd Willow Grove PA 19090 displays 4 9 types flexible push/pull rods offered Sullivan Harry Pfeister chap background Sullivan also stressing new 12/24 volt blue starters have enough torque start Quadra other Monster enginea good way keep hands well out harms way June 1981 29 Richair imports series large-size fiberglass Scale sailplanes made Switzerland shown PIK-20D Others line include Jantar LS-1 C Some span up 17 ft Good thermal slope soaring chap right Steve Hangartner can address him Richair 172 Washington Ave Pleasantville NY 10570 George appreciates fact Steve uses towplane launch monsters since son Tim have done over 250 tows some doubles 2 towlines 2 sailplanes 1 tug Bill Charlie Cannon lMr Mrsl join nanosto presentineirnewesi addition G-Mark line engines twin-cylinder 30 Cu Schnuerle-ported beauty RC George loves its looks much predicts itll sellout hits market Theyre still pushing line fine Cannon RC systems non-NE5044-chip Bill promises surprising announcement thatarea soon Meanwhile cry Smaller beautiful continue provide engines RC equipment prove Dick Tax shows us much room left over inside 049-powered P-Si after install 4-ch Cannon Super-Micro RC system See sign rexer rigleisKi snows us mat Litco still makes flight packs fit almost transmitter theyve matched 135 s pulse code Putaba Contest 7 hasa pulse-change rangewhich nearly double common RC systems A~ACKER good-looking foam plane ex cellent fun-fly contests Big thick wing washout make docile yet maneuverable Illustrated plans much hardware & large full color decal sheet Wing Span 48 Construc tion All-Foam Radio 4 Channel Engine 19 404995 SWEET STIK simple build & fun flying model Larger version popular Das Little Stik Full-size plans & much hardware cluding motor mounts & hinges Wing Span 54 Construction All-Balsa Ra dio 4 Channel Engine 19-40 T-CRAVF stand-off scale model offering best flight performance Kit builds quickly contains full-size plans de tailed instruction booklet vacuum formed cowl & wheel parts & much hardware Wing Span 55-1/2 Con struction Balsa Radio 4 4995 Channel Engine 2945 Send 50 forMIDWEST PRODUCTS COMPANY complete catalog400 S Indiana Street Hobart Indiana 46342 Fiberglass MaterialsSCALE DOCUMENTATIONCARBON FIBER TAPE Ssquareyards$1500SCALE ORAwINTOS BOOKLETS005 x 1 25 wide choice 6 01 cloth 2 Hour Epoxy Resin$ 500 per qt Mold Release$300 1601 Epoxy Primer IK&R S30O0per gal25ft SOft ft EpoxyPaintmnnerfK&RI S15OOpergalEPLA-TECH$895 $1495 $2695 California Residents add 6% Sales Tax check MoneyINTFRNATIONAL $100 ph Order onlySorry No COOs 1KENZIE l-4$AIVSLOPE ASSOCIATES2317 n 63d Rob Smith RIC AircraftCATALOGS $200 VIGA OREGON 274BB SEATTLE A/A 98103 PO Box 33335 Oranada Hills CA 91344 two rods should fall roughly under majorany bubbles have leak system mustjoining headpipe pipe adapter requires diameter Clamp 3/16-in rodjig vertically inseal leaks must brazeda headpipe end piece design 0a vise Wrap several layers masking tapeoverring easily accessible inspection replacearound 3/16-in rod tailpipe spacerment Machine piece -in OD alumi rest joint cones meet forms aFinish produce professional-looking pipenum stock small trough metal will flow around whilefile Joints smooth Remove little metal as0-ring 0-ring use made silicone capillary action will form nice weld Now youpossible wont weaken joints Sand theis red can purchased rubber ready braze Use same procedure aspipe wet 320 paper remove file marksproducts supplier ordered number ARP before Remember melting rod will flowand follow wet 400 paper steel wool toward heat As rod begins melt worksoap pad such SOS used brighten the flame around joint flow melting rodpipe high luster Working soap padPipe adapter feel gas flow completely aroundaround pipe gives best finish Clean thecylinder through pipe adapter pipe pipe thoroughly water certain theshould smooth possible gases Pressure check use piece automobile gaspipe still has no leaks perform another pressureexiting exhaust port following piston line tubing slip over tailpipe place mycheckin downward motion tried blend inside finger over headpipe hole pipe under water blow gas line detectHeadpipe end piece method use ntinued page 134 WRAMS/Myers Continued page 29 models route separate used general public exhibitors wait lobby enter rest ticket holders can imagine its much fun carrying Quarter Scale model over heads pushing shoving crowd mills around three right-angle turns down low-ceilinged flight stairs also no unloading dock some exhibitors less pleased procedure hasnt improved 13 years 3 Other procedural annoy ances Judging purely places found crowds large part public Comes see models WRAMs will RAM Radio Controlled Models Chicago IL offered number little red boxes house accessories RC systemand couple could lifesavers George thought best item Battery Backer Its part airborne system senses flight pack battery voltagewhen drops below preset value device switches spare pack turns integral beeper might able hearthe thing planes air youll sure hear after landespecially since cant just switch off Another vital item Dual Servo Setterit detects loss transmitters signal sends two servos positions have pre-selected maybe engine-cutoff deploy parachute Other items included low-voltage alarms receiver transmitter LED Go/No-Go boxes same job ESV shirt-pocket timer concepts may new thats no reason ignore June1981 133 hurt hope see fit improve selves model matters exhibitors ers wont display Continued ag 7A REVOLUTIONARY NEW CHARGER C-50/4 MEN AUTOMATIC R/C SYSTEM CHARGER Extends life nicadi Extends capacity nicad Adds reliability nicads never before achieved charger Restores marginal batteries full power potential Batteries can left charge indefinitely damaging cells Fast chargesautomat ically Renders other chargers obsolete Now after i/o years development testing MEN Inc confidently intro duces its revolutionary C-50/4 Auto matic Pulse R/G System Charger unlike other charger have ever used DC charger pulsed charger therefore operates differently giving different resuha suitable control pulse height pulse rate charging batteries accomplished addition Out standing battery reliability produced charger several side benefits occur First batteries can left charger ipdefinitely simply means after flight session can put R/C system charge leave until youre ready fly again nest day next week next yearno need ever wonder about CL Speed/Hempel passage adapter conform downward flow pattern Engine get performance tuned pipe engine must set up properly Nick Sher tells done excellent article ModelAviation May 1979 Running pipe Start engine rich needle setting As turn needle valve leaner engine should come pipe engine will need fuel happens prepared immediately open needle valve about rn needle opened too far engine will fall off pipe happens just repeat process mentioned above get engine back pipe want gratefully acknowledge support have received Luther Roy project ideas criticisms encouragement have extremely valuable excellent machining ability can observed photos pipe adapter flaring tool sincerely hope time readers column make attempt build pipe will appreciate amount effort goes putting together such constructive article hope everyone enjoys article Tell em read Model Aviation Speed column next Speed column will tell modify Cox 049/051 cylinder rpm Gene Hempel 301 North Yale St Garland TX 75042 M icrofilm/Tenny Continued page 63 Relative humidity can affect microfilm pouring sessions much atmosphenc pressure serious about pouring microfilm simple barometer will enable record barometric pressure batch microfilm solution works well pressure different great amount surprised have different results pouring session general humidity can vary quite bit hindering formation good film humidity very high solvent evaporation film warm water can go fast film will cool enough condense moisture happens possible film will blush turn cloudy white Such film will very weak probably can lifted water Try much cooler water solvents will evaporate quickly wait longer before trying lift film 4PATTERN AND04,p 4 HIGH SPEED PROPELLERS oU DUYAIRSCREWft CUSTOM HIGH PERFORMANCE MAPLE PROPELLERS Propeller designed using symmetrical profile Individually precision hand balanced Accurale airfoil pitch Only high quality straight grain Eastern Maple used 8/ X 6% FORMULA 1 lOX 6 11X7 11X7/2 11X8 CUSTOM DESIGN UPON REQUEST SW PRODUCTS 5634 CRYSTAL COURT SANTA ROSA CA 95404 PRONE 707 526SARA Add 5100 P, SiS'O SAAIig charge long charge Just plug system leave till youre ready fly again Second battery tests can done charger example can test open battery cells shorted battery cells hi-leakage cells low ca pacity cells hi-impedance cells conditions can detected early lead disaster new MEN C-S0/4 charger available 3 models cover R/C needs 48 volts/g6 volts 48 volts/60 volts 48 volts/12 volts ca pable charging systems 240 MAH through 4 amps hour capscity new MEN C-S0/4 Charger rep resents latest ate art battery chargers No serious H/C en thusiast should Royal Electronics Sid Gates says appreciate friendship help will soon have RC systems chip want information write Jerry did show Cyclecharger d is- Bradshaw 3619 Hillcrest Lane Sacramento charges recharges battery packs 16-hr CA 95821 telephone number 916 487-9620 rate Also shown prototype Digitester still under development combines functions digital pulse-width meter digital voltmeter digital tach via option kitsitll also have outputs serve bench power supply battery charger servo cycler George hopes get hands describe regular Radio Tech nique column ANNOUNCING THE INTRODUCTION OF THE ALL NEW NELSON COMPETITION 15 ENGINE STANDARD AND R/C AVAILABLE JUNE 1 1981 complete formation send large stamped self-addressed envelope Kustom Kraftsmanship P0 Box 2699 Laguna Hills CA 92653 Dealer inquiries invited 134 Model Aviation
Edition: Model Aviation - 1981/06
Page Numbers: 28, 29, 133, 134
George M Myers Reporter Timothy J Myers Photographer columnists admire te about what secret about what latent kernal ofprinciple exists recognized inside events orge F Will News week 1/19/81 WE FEEL same way about reviewing event like WRAMS show would easy photograph attended list what displayed feel useful discover trend behind attendance displays Therefore 1981 year chip NE5044 Last year NE5044 made its appearance premium-quality Ace RC Silver Seven Airtronics XL because made control conditioning like XPO mixing simple year NE5044 being used basic 4-channel no-frills sportmodel transmitters good reason NE5044 permits manufacturer vastly sim plify transmitter encoder reducing number parts operations tremendously taking step forward performance reli ability example lets look World Engines Expert Mark IV Dave Brown Master Pattern flier show representing own Dave Brown Pro ducts 8534 Huddleston Cincinnati OH 45236 wants us look printed-circuit board World Engines Expert Mark IV transmitter Notice small number widely spaced lands / relative previous designs Part due simplification because NE5044 Another part use linear slide potentiometers electical trims instead usual rotary type slide pots soldered directly board thereby saving 1 8 manufacturing operations per installation As can see virtually wires gone Only wires control sticks batteries antenna remain wire eliminated saves money World Engines Expert Mark IV features interchangeable fre quency modules red flashing LED place meter youll get used Otherwise strongly resembles previous World Expert system people walk right past noticing change World Engines 8960 Ros sash Ave Cincinnati OH 45236 Donna Runge accompanied husband Tom show explain Ace RC Inc has purchased Pro-Line will support existing Pro-Line radio excellent net work Ace service centers Pro-Line will get NES 044 way nroducina built-un version Ace kit Silver Seven transmitter Ace also showed new module Silver 28 Model Aviation Seven provides two three XPO channels two-channel mixer Ace RC Inc Box 5 liE Higginsville MO 64037 else using NE5044 chip Well Kraft new 5X system Futaba using low-priced systems already know about Airtronics have sold thousands XL systems owners love Incidently Airtronics 12160 Woodruff Ave Downey CA 90241 hasnothingtodowithCox Hobbies 4400 West 78th St Minneapolis MN 55435 So Cox/Sanwa system NE5044 needs service send Customer Service Department ofCox Hobbies Now dont have rush out sell present set just because someone has found way make next set cheaper Yours wont work poorer main thing consider time buy next system may have moved little closer time everything else getting expensive price good-quality RC systems going down Thats significance NE5 044 trend appeared less satis fying have already discussed Fewer models exhibited reasons given some exhibitors talked 1 Models getting larger display space isnt 2 WRAMs club organizers show make no provision getting large Continued page 133 ENOUGH ABOUT RADIOS WHAT ELSE IS HAPPENING Eric Startup Sullivan Products 535 Davisville Rd Willow Grove PA 19090 displays 4 9 types flexible push/pull rods offered Sullivan Harry Pfeister chap background Sullivan also stressing new 12/24 volt blue starters have enough torque start Quadra other Monster enginea good way keep hands well out harms way June 1981 29 Richair imports series large-size fiberglass Scale sailplanes made Switzerland shown PIK-20D Others line include Jantar LS-1 C Some span up 17 ft Good thermal slope soaring chap right Steve Hangartner can address him Richair 172 Washington Ave Pleasantville NY 10570 George appreciates fact Steve uses towplane launch monsters since son Tim have done over 250 tows some doubles 2 towlines 2 sailplanes 1 tug Bill Charlie Cannon lMr Mrsl join nanosto presentineirnewesi addition G-Mark line engines twin-cylinder 30 Cu Schnuerle-ported beauty RC George loves its looks much predicts itll sellout hits market Theyre still pushing line fine Cannon RC systems non-NE5044-chip Bill promises surprising announcement thatarea soon Meanwhile cry Smaller beautiful continue provide engines RC equipment prove Dick Tax shows us much room left over inside 049-powered P-Si after install 4-ch Cannon Super-Micro RC system See sign rexer rigleisKi snows us mat Litco still makes flight packs fit almost transmitter theyve matched 135 s pulse code Putaba Contest 7 hasa pulse-change rangewhich nearly double common RC systems A~ACKER good-looking foam plane ex cellent fun-fly contests Big thick wing washout make docile yet maneuverable Illustrated plans much hardware & large full color decal sheet Wing Span 48 Construc tion All-Foam Radio 4 Channel Engine 19 404995 SWEET STIK simple build & fun flying model Larger version popular Das Little Stik Full-size plans & much hardware cluding motor mounts & hinges Wing Span 54 Construction All-Balsa Ra dio 4 Channel Engine 19-40 T-CRAVF stand-off scale model offering best flight performance Kit builds quickly contains full-size plans de tailed instruction booklet vacuum formed cowl & wheel parts & much hardware Wing Span 55-1/2 Con struction Balsa Radio 4 4995 Channel Engine 2945 Send 50 forMIDWEST PRODUCTS COMPANY complete catalog400 S Indiana Street Hobart Indiana 46342 Fiberglass MaterialsSCALE DOCUMENTATIONCARBON FIBER TAPE Ssquareyards$1500SCALE ORAwINTOS BOOKLETS005 x 1 25 wide choice 6 01 cloth 2 Hour Epoxy Resin$ 500 per qt Mold Release$300 1601 Epoxy Primer IK&R S30O0per gal25ft SOft ft EpoxyPaintmnnerfK&RI S15OOpergalEPLA-TECH$895 $1495 $2695 California Residents add 6% Sales Tax check MoneyINTFRNATIONAL $100 ph Order onlySorry No COOs 1KENZIE l-4$AIVSLOPE ASSOCIATES2317 n 63d Rob Smith RIC AircraftCATALOGS $200 VIGA OREGON 274BB SEATTLE A/A 98103 PO Box 33335 Oranada Hills CA 91344 two rods should fall roughly under majorany bubbles have leak system mustjoining headpipe pipe adapter requires diameter Clamp 3/16-in rodjig vertically inseal leaks must brazeda headpipe end piece design 0a vise Wrap several layers masking tapeoverring easily accessible inspection replacearound 3/16-in rod tailpipe spacerment Machine piece -in OD alumi rest joint cones meet forms aFinish produce professional-looking pipenum stock small trough metal will flow around whilefile Joints smooth Remove little metal as0-ring 0-ring use made silicone capillary action will form nice weld Now youpossible wont weaken joints Sand theis red can purchased rubber ready braze Use same procedure aspipe wet 320 paper remove file marksproducts supplier ordered number ARP before Remember melting rod will flowand follow wet 400 paper steel wool toward heat As rod begins melt worksoap pad such SOS used brighten the flame around joint flow melting rodpipe high luster Working soap padPipe adapter feel gas flow completely aroundaround pipe gives best finish Clean thecylinder through pipe adapter pipe pipe thoroughly water certain theshould smooth possible gases Pressure check use piece automobile gaspipe still has no leaks perform another pressureexiting exhaust port following piston line tubing slip over tailpipe place mycheckin downward motion tried blend inside finger over headpipe hole pipe under water blow gas line detectHeadpipe end piece method use ntinued page 134 WRAMS/Myers Continued page 29 models route separate used general public exhibitors wait lobby enter rest ticket holders can imagine its much fun carrying Quarter Scale model over heads pushing shoving crowd mills around three right-angle turns down low-ceilinged flight stairs also no unloading dock some exhibitors less pleased procedure hasnt improved 13 years 3 Other procedural annoy ances Judging purely places found crowds large part public Comes see models WRAMs will RAM Radio Controlled Models Chicago IL offered number little red boxes house accessories RC systemand couple could lifesavers George thought best item Battery Backer Its part airborne system senses flight pack battery voltagewhen drops below preset value device switches spare pack turns integral beeper might able hearthe thing planes air youll sure hear after landespecially since cant just switch off Another vital item Dual Servo Setterit detects loss transmitters signal sends two servos positions have pre-selected maybe engine-cutoff deploy parachute Other items included low-voltage alarms receiver transmitter LED Go/No-Go boxes same job ESV shirt-pocket timer concepts may new thats no reason ignore June1981 133 hurt hope see fit improve selves model matters exhibitors ers wont display Continued ag 7A REVOLUTIONARY NEW CHARGER C-50/4 MEN AUTOMATIC R/C SYSTEM CHARGER Extends life nicadi Extends capacity nicad Adds reliability nicads never before achieved charger Restores marginal batteries full power potential Batteries can left charge indefinitely damaging cells Fast chargesautomat ically Renders other chargers obsolete Now after i/o years development testing MEN Inc confidently intro duces its revolutionary C-50/4 Auto matic Pulse R/G System Charger unlike other charger have ever used DC charger pulsed charger therefore operates differently giving different resuha suitable control pulse height pulse rate charging batteries accomplished addition Out standing battery reliability produced charger several side benefits occur First batteries can left charger ipdefinitely simply means after flight session can put R/C system charge leave until youre ready fly again nest day next week next yearno need ever wonder about CL Speed/Hempel passage adapter conform downward flow pattern Engine get performance tuned pipe engine must set up properly Nick Sher tells done excellent article ModelAviation May 1979 Running pipe Start engine rich needle setting As turn needle valve leaner engine should come pipe engine will need fuel happens prepared immediately open needle valve about rn needle opened too far engine will fall off pipe happens just repeat process mentioned above get engine back pipe want gratefully acknowledge support have received Luther Roy project ideas criticisms encouragement have extremely valuable excellent machining ability can observed photos pipe adapter flaring tool sincerely hope time readers column make attempt build pipe will appreciate amount effort goes putting together such constructive article hope everyone enjoys article Tell em read Model Aviation Speed column next Speed column will tell modify Cox 049/051 cylinder rpm Gene Hempel 301 North Yale St Garland TX 75042 M icrofilm/Tenny Continued page 63 Relative humidity can affect microfilm pouring sessions much atmosphenc pressure serious about pouring microfilm simple barometer will enable record barometric pressure batch microfilm solution works well pressure different great amount surprised have different results pouring session general humidity can vary quite bit hindering formation good film humidity very high solvent evaporation film warm water can go fast film will cool enough condense moisture happens possible film will blush turn cloudy white Such film will very weak probably can lifted water Try much cooler water solvents will evaporate quickly wait longer before trying lift film 4PATTERN AND04,p 4 HIGH SPEED PROPELLERS oU DUYAIRSCREWft CUSTOM HIGH PERFORMANCE MAPLE PROPELLERS Propeller designed using symmetrical profile Individually precision hand balanced Accurale airfoil pitch Only high quality straight grain Eastern Maple used 8/ X 6% FORMULA 1 lOX 6 11X7 11X7/2 11X8 CUSTOM DESIGN UPON REQUEST SW PRODUCTS 5634 CRYSTAL COURT SANTA ROSA CA 95404 PRONE 707 526SARA Add 5100 P, SiS'O SAAIig charge long charge Just plug system leave till youre ready fly again Second battery tests can done charger example can test open battery cells shorted battery cells hi-leakage cells low ca pacity cells hi-impedance cells conditions can detected early lead disaster new MEN C-S0/4 charger available 3 models cover R/C needs 48 volts/g6 volts 48 volts/60 volts 48 volts/12 volts ca pable charging systems 240 MAH through 4 amps hour capscity new MEN C-S0/4 Charger rep resents latest ate art battery chargers No serious H/C en thusiast should Royal Electronics Sid Gates says appreciate friendship help will soon have RC systems chip want information write Jerry did show Cyclecharger d is- Bradshaw 3619 Hillcrest Lane Sacramento charges recharges battery packs 16-hr CA 95821 telephone number 916 487-9620 rate Also shown prototype Digitester still under development combines functions digital pulse-width meter digital voltmeter digital tach via option kitsitll also have outputs serve bench power supply battery charger servo cycler George hopes get hands describe regular Radio Tech nique column ANNOUNCING THE INTRODUCTION OF THE ALL NEW NELSON COMPETITION 15 ENGINE STANDARD AND R/C AVAILABLE JUNE 1 1981 complete formation send large stamped self-addressed envelope Kustom Kraftsmanship P0 Box 2699 Laguna Hills CA 92653 Dealer inquiries invited 134 Model Aviation
Edition: Model Aviation - 1981/06
Page Numbers: 28, 29, 133, 134
George M Myers Reporter Timothy J Myers Photographer columnists admire te about what secret about what latent kernal ofprinciple exists recognized inside events orge F Will News week 1/19/81 WE FEEL same way about reviewing event like WRAMS show would easy photograph attended list what displayed feel useful discover trend behind attendance displays Therefore 1981 year chip NE5044 Last year NE5044 made its appearance premium-quality Ace RC Silver Seven Airtronics XL because made control conditioning like XPO mixing simple year NE5044 being used basic 4-channel no-frills sportmodel transmitters good reason NE5044 permits manufacturer vastly sim plify transmitter encoder reducing number parts operations tremendously taking step forward performance reli ability example lets look World Engines Expert Mark IV Dave Brown Master Pattern flier show representing own Dave Brown Pro ducts 8534 Huddleston Cincinnati OH 45236 wants us look printed-circuit board World Engines Expert Mark IV transmitter Notice small number widely spaced lands / relative previous designs Part due simplification because NE5044 Another part use linear slide potentiometers electical trims instead usual rotary type slide pots soldered directly board thereby saving 1 8 manufacturing operations per installation As can see virtually wires gone Only wires control sticks batteries antenna remain wire eliminated saves money World Engines Expert Mark IV features interchangeable fre quency modules red flashing LED place meter youll get used Otherwise strongly resembles previous World Expert system people walk right past noticing change World Engines 8960 Ros sash Ave Cincinnati OH 45236 Donna Runge accompanied husband Tom show explain Ace RC Inc has purchased Pro-Line will support existing Pro-Line radio excellent net work Ace service centers Pro-Line will get NES 044 way nroducina built-un version Ace kit Silver Seven transmitter Ace also showed new module Silver 28 Model Aviation Seven provides two three XPO channels two-channel mixer Ace RC Inc Box 5 liE Higginsville MO 64037 else using NE5044 chip Well Kraft new 5X system Futaba using low-priced systems already know about Airtronics have sold thousands XL systems owners love Incidently Airtronics 12160 Woodruff Ave Downey CA 90241 hasnothingtodowithCox Hobbies 4400 West 78th St Minneapolis MN 55435 So Cox/Sanwa system NE5044 needs service send Customer Service Department ofCox Hobbies Now dont have rush out sell present set just because someone has found way make next set cheaper Yours wont work poorer main thing consider time buy next system may have moved little closer time everything else getting expensive price good-quality RC systems going down Thats significance NE5 044 trend appeared less satis fying have already discussed Fewer models exhibited reasons given some exhibitors talked 1 Models getting larger display space isnt 2 WRAMs club organizers show make no provision getting large Continued page 133 ENOUGH ABOUT RADIOS WHAT ELSE IS HAPPENING Eric Startup Sullivan Products 535 Davisville Rd Willow Grove PA 19090 displays 4 9 types flexible push/pull rods offered Sullivan Harry Pfeister chap background Sullivan also stressing new 12/24 volt blue starters have enough torque start Quadra other Monster enginea good way keep hands well out harms way June 1981 29 Richair imports series large-size fiberglass Scale sailplanes made Switzerland shown PIK-20D Others line include Jantar LS-1 C Some span up 17 ft Good thermal slope soaring chap right Steve Hangartner can address him Richair 172 Washington Ave Pleasantville NY 10570 George appreciates fact Steve uses towplane launch monsters since son Tim have done over 250 tows some doubles 2 towlines 2 sailplanes 1 tug Bill Charlie Cannon lMr Mrsl join nanosto presentineirnewesi addition G-Mark line engines twin-cylinder 30 Cu Schnuerle-ported beauty RC George loves its looks much predicts itll sellout hits market Theyre still pushing line fine Cannon RC systems non-NE5044-chip Bill promises surprising announcement thatarea soon Meanwhile cry Smaller beautiful continue provide engines RC equipment prove Dick Tax shows us much room left over inside 049-powered P-Si after install 4-ch Cannon Super-Micro RC system See sign rexer rigleisKi snows us mat Litco still makes flight packs fit almost transmitter theyve matched 135 s pulse code Putaba Contest 7 hasa pulse-change rangewhich nearly double common RC systems A~ACKER good-looking foam plane ex cellent fun-fly contests Big thick wing washout make docile yet maneuverable Illustrated plans much hardware & large full color decal sheet Wing Span 48 Construc tion All-Foam Radio 4 Channel Engine 19 404995 SWEET STIK simple build & fun flying model Larger version popular Das Little Stik Full-size plans & much hardware cluding motor mounts & hinges Wing Span 54 Construction All-Balsa Ra dio 4 Channel Engine 19-40 T-CRAVF stand-off scale model offering best flight performance Kit builds quickly contains full-size plans de tailed instruction booklet vacuum formed cowl & wheel parts & much hardware Wing Span 55-1/2 Con struction Balsa Radio 4 4995 Channel Engine 2945 Send 50 forMIDWEST PRODUCTS COMPANY complete catalog400 S Indiana Street Hobart Indiana 46342 Fiberglass MaterialsSCALE DOCUMENTATIONCARBON FIBER TAPE Ssquareyards$1500SCALE ORAwINTOS BOOKLETS005 x 1 25 wide choice 6 01 cloth 2 Hour Epoxy Resin$ 500 per qt Mold Release$300 1601 Epoxy Primer IK&R S30O0per gal25ft SOft ft EpoxyPaintmnnerfK&RI S15OOpergalEPLA-TECH$895 $1495 $2695 California Residents add 6% Sales Tax check MoneyINTFRNATIONAL $100 ph Order onlySorry No COOs 1KENZIE l-4$AIVSLOPE ASSOCIATES2317 n 63d Rob Smith RIC AircraftCATALOGS $200 VIGA OREGON 274BB SEATTLE A/A 98103 PO Box 33335 Oranada Hills CA 91344 two rods should fall roughly under majorany bubbles have leak system mustjoining headpipe pipe adapter requires diameter Clamp 3/16-in rodjig vertically inseal leaks must brazeda headpipe end piece design 0a vise Wrap several layers masking tapeoverring easily accessible inspection replacearound 3/16-in rod tailpipe spacerment Machine piece -in OD alumi rest joint cones meet forms aFinish produce professional-looking pipenum stock small trough metal will flow around whilefile Joints smooth Remove little metal as0-ring 0-ring use made silicone capillary action will form nice weld Now youpossible wont weaken joints Sand theis red can purchased rubber ready braze Use same procedure aspipe wet 320 paper remove file marksproducts supplier ordered number ARP before Remember melting rod will flowand follow wet 400 paper steel wool toward heat As rod begins melt worksoap pad such SOS used brighten the flame around joint flow melting rodpipe high luster Working soap padPipe adapter feel gas flow completely aroundaround pipe gives best finish Clean thecylinder through pipe adapter pipe pipe thoroughly water certain theshould smooth possible gases Pressure check use piece automobile gaspipe still has no leaks perform another pressureexiting exhaust port following piston line tubing slip over tailpipe place mycheckin downward motion tried blend inside finger over headpipe hole pipe under water blow gas line detectHeadpipe end piece method use ntinued page 134 WRAMS/Myers Continued page 29 models route separate used general public exhibitors wait lobby enter rest ticket holders can imagine its much fun carrying Quarter Scale model over heads pushing shoving crowd mills around three right-angle turns down low-ceilinged flight stairs also no unloading dock some exhibitors less pleased procedure hasnt improved 13 years 3 Other procedural annoy ances Judging purely places found crowds large part public Comes see models WRAMs will RAM Radio Controlled Models Chicago IL offered number little red boxes house accessories RC systemand couple could lifesavers George thought best item Battery Backer Its part airborne system senses flight pack battery voltagewhen drops below preset value device switches spare pack turns integral beeper might able hearthe thing planes air youll sure hear after landespecially since cant just switch off Another vital item Dual Servo Setterit detects loss transmitters signal sends two servos positions have pre-selected maybe engine-cutoff deploy parachute Other items included low-voltage alarms receiver transmitter LED Go/No-Go boxes same job ESV shirt-pocket timer concepts may new thats no reason ignore June1981 133 hurt hope see fit improve selves model matters exhibitors ers wont display Continued ag 7A REVOLUTIONARY NEW CHARGER C-50/4 MEN AUTOMATIC R/C SYSTEM CHARGER Extends life nicadi Extends capacity nicad Adds reliability nicads never before achieved charger Restores marginal batteries full power potential Batteries can left charge indefinitely damaging cells Fast chargesautomat ically Renders other chargers obsolete Now after i/o years development testing MEN Inc confidently intro duces its revolutionary C-50/4 Auto matic Pulse R/G System Charger unlike other charger have ever used DC charger pulsed charger therefore operates differently giving different resuha suitable control pulse height pulse rate charging batteries accomplished addition Out standing battery reliability produced charger several side benefits occur First batteries can left charger ipdefinitely simply means after flight session can put R/C system charge leave until youre ready fly again nest day next week next yearno need ever wonder about CL Speed/Hempel passage adapter conform downward flow pattern Engine get performance tuned pipe engine must set up properly Nick Sher tells done excellent article ModelAviation May 1979 Running pipe Start engine rich needle setting As turn needle valve leaner engine should come pipe engine will need fuel happens prepared immediately open needle valve about rn needle opened too far engine will fall off pipe happens just repeat process mentioned above get engine back pipe want gratefully acknowledge support have received Luther Roy project ideas criticisms encouragement have extremely valuable excellent machining ability can observed photos pipe adapter flaring tool sincerely hope time readers column make attempt build pipe will appreciate amount effort goes putting together such constructive article hope everyone enjoys article Tell em read Model Aviation Speed column next Speed column will tell modify Cox 049/051 cylinder rpm Gene Hempel 301 North Yale St Garland TX 75042 M icrofilm/Tenny Continued page 63 Relative humidity can affect microfilm pouring sessions much atmosphenc pressure serious about pouring microfilm simple barometer will enable record barometric pressure batch microfilm solution works well pressure different great amount surprised have different results pouring session general humidity can vary quite bit hindering formation good film humidity very high solvent evaporation film warm water can go fast film will cool enough condense moisture happens possible film will blush turn cloudy white Such film will very weak probably can lifted water Try much cooler water solvents will evaporate quickly wait longer before trying lift film 4PATTERN AND04,p 4 HIGH SPEED PROPELLERS oU DUYAIRSCREWft CUSTOM HIGH PERFORMANCE MAPLE PROPELLERS Propeller designed using symmetrical profile Individually precision hand balanced Accurale airfoil pitch Only high quality straight grain Eastern Maple used 8/ X 6% FORMULA 1 lOX 6 11X7 11X7/2 11X8 CUSTOM DESIGN UPON REQUEST SW PRODUCTS 5634 CRYSTAL COURT SANTA ROSA CA 95404 PRONE 707 526SARA Add 5100 P, SiS'O SAAIig charge long charge Just plug system leave till youre ready fly again Second battery tests can done charger example can test open battery cells shorted battery cells hi-leakage cells low ca pacity cells hi-impedance cells conditions can detected early lead disaster new MEN C-S0/4 charger available 3 models cover R/C needs 48 volts/g6 volts 48 volts/60 volts 48 volts/12 volts ca pable charging systems 240 MAH through 4 amps hour capscity new MEN C-S0/4 Charger rep resents latest ate art battery chargers No serious H/C en thusiast should Royal Electronics Sid Gates says appreciate friendship help will soon have RC systems chip want information write Jerry did show Cyclecharger d is- Bradshaw 3619 Hillcrest Lane Sacramento charges recharges battery packs 16-hr CA 95821 telephone number 916 487-9620 rate Also shown prototype Digitester still under development combines functions digital pulse-width meter digital voltmeter digital tach via option kitsitll also have outputs serve bench power supply battery charger servo cycler George hopes get hands describe regular Radio Tech nique column ANNOUNCING THE INTRODUCTION OF THE ALL NEW NELSON COMPETITION 15 ENGINE STANDARD AND R/C AVAILABLE JUNE 1 1981 complete formation send large stamped self-addressed envelope Kustom Kraftsmanship P0 Box 2699 Laguna Hills CA 92653 Dealer inquiries invited 134 Model Aviation