- - - ouve ever lost plane due battery either under charged cooked death too much charging article wont want miss HEloy Marez AS OUR RC EQUIPMENT has become increasingly sophisticated have power requirements seeing increasing variety types nickle cadmium batteries available furnished use Along different bat teries use experiencing increas ingly varying charge requirements rates times basics dont change cant af ford undercharge risk running out fast asleep away charge timer described herein will make life considerably easier respects simply set up desired period per RC system makers instructions can go away charging will cease proper timeright minute accurate attractive timepiece pennies can build-in optional aural alarm guarantee being flying field time first round power monitor included event power loss during charge period display will blinking battery power flight Neither can afford overcharge small amount such will assure youve reached 100% charge consistent overcharging will eventually result cell gassing loss capacity shortening battery life worst cases loss airplane fore important follow manufac turers recommendations charging times runs us schedule has kept up already busy life have remember start charging period certain time end other Operation simple large highvisibility light-emitting diode LED dis play assures accuracy Construc tion also simple thanks modern inte grated circuitry optoelectronics tech nology As bonus charge timer will also work correctly monitoring RC charge requirements modified adapter mounts 6-32 screw integral part bezel sup ports clock module proper dis tance display panel Neat setupi 38 Model Aviation Programmable Charger Timer built standard 6V4 x 3 x 2-in electronics case secret its easy construction reliability lies pre-assembled clock module requires oniywiring Let clock control takethe guessing out charging times Left versatile National Semiconductor MAl 023 Digitai LED Ciock Moduie requires addition transformer few switches some imagination Right universal mounting adapters furnished bezel quite universal wed like requiring some additional adapting Onthe leftwe havethe original right isthe adapterafter has trimmed tosultour requirements - a S 0 base original mounting adapterIft baseof modified PC1S P9 Mu 5 IIi SW3 Switch designations viewed rear wiring Designations scribed text Thefigure isthe iengththe wire shouid properfit wflen power does come back such case pre-set information will lost charging will have restarted upon return AC power Unless can determine long power off wont know much charging time lost better no warning flying batteries assumed properly charged though werent Circuit heart charge timer 100% self-contained digital time module called MA1023 manufactured Na tional Semiconductor Co entirely selftronic piuuu,.z Options ways MA 1023 can put work described application literature supplied it recommended study literature thoroughly before June 1985 39 14i II II II jOj II Ii M18 M8 contained timekeeping counting display circuitry components pre assembled 15 x 325-in printed circuit board Total height 75 self-contained module requires addition AC power switches allow perform multitude timekeep ing functions special transformer available its supplier other required components few other items needed complete charge timer readily-available electric elec 3lf B S order parts can tailor charge timer buying parts exactly needs example may need audio alarm feature have built Simply leave off dont purchase required parts adjust panel switch spacing five switches other hand plan using alarm feature daily might interested snooz feature gives extra 9 mm wake up time press button countries 50-cycle current need add ajumper timer keep correct time also Some may care 1224hour switchable feature just leave off switch itll display time 12-hour format prefer constant 24-hour timepiece jumper will give can pick choose interesting easy First lets go shopping Youll need following items available Digi Key Corporation Highway 32 South Box 677 Thief River Falls MN 56701 Tele phone credit card orders accepted toll-free 800/346-5144 other informa tion may call 218/681-6674 1 MA1O23M Clock Module$1170 1 MA1O23T Transformer395 1 MA1O23B Buzzer310 1 400 Bezel w/red filter495 1 422 Universal Bezel Adapter69 2 5OlPB Switches @ 56112 3 SO2PB Switches @ 56168 503PB Switch 56 1 700K ND Instrument Box 0 1 2046K-ND Aluminum Panel 7 1 F004-ND Panel Fuseholder 5 1 F115-ND i-Amp Fuses S @ .. 124 1 1N4001 Rectifier Diode 10 @80 1 SW1O4-ND SPDT Switch34 488C Line Cord35 l0OhnWattResistor5@25 1 82K Resistor 5 @25 1 P6620 l00/16V Capacitor27 above items fully described Digi-Key catalog available asking above address addition will need following locally-pro cured items 1 Radio Shack Relay No 275-215 1 Radio Shack Single IC Board No 276-024 1 Radio Shack Aluminum Spacers No 643024 Leviton No 50 15-1 Receptacle see text short discussion about some parts used may helpful example transformer referred MA 1023 literature listed having red 2 red/white 1 green 1 leads However last received dif ferent-colored secondary wiring case following applies red orange 2 red/white white 1 green green 1 primary leads black both cases brand number output U receptacle given parts list further referred Single Flush Outlet Parallel Slotted available hardware electrical parts stores made mounting awall outlet box comes long mounting ears have trimmed off just outside No 6 threaded holes closest body holes usedto mountthe outletwithin case Any similar outlet another brand may used Radio Shack IC board requires number additional holes shown sketch locations shown solid dots should No 60 open circles indicate No 55 holes larger wires bezel attached panel two No6 screws integral part also attach module mounting adapter faced having adapt adapter tasks mental preparation actually takes longer doing Since mounting adapter MA 1023 available have use universal type trim fit Study sketches original modified adapter bases mods consist trinuning out center re-joining cyano acrylate adhesive drilling new hole trim off extra set unused module mounting posts small end adapter module held place four Left view clock module control switches will appear mounted front panel Right local RadIo Shack storo will furnish control relay single IC mounting PC board supports few other external componente 40 Model Aviation U push-on clips furnished adapter permanently mount module until connections have made testing described has completed can temporarily hold module place adapter small grommets short lengths fuel tubing slipped over mounting posts two panels available case listed used similar black plastic chose aluminum panel because provides better contrast photographsbut also because let tered black rub-offs sprayed clear finish such Super Poxy extremely durable attractive Obvi ously labels can put method choose easy way being plastic tape writer inter-unit connections will made after individual parts panel case IC board have components mounted partly wired make last step easier understand connection points module re 1O ferred Ml through M28 left right looking front display very small 1 found printed first connecting hole left switches seen mounting sketch num bered SWi through SW6 connec tions being further designated B Last IC board lands have assigned corresponding pin numbers relay uses same system ICs can now start actual construction Beginning case make holes rear right side shown sketches opening output socket best made l-in-dia hole saw mounted drill press such available coping saw file will suffice though taking little muscle dust Bakelite case slightly irritating breathed has yet reported weeks carcin ogen doubt would lungs much good Use face mask cutting case hole AC cord marked dimension may choose protect cord either rubber grom met strain relief such Radio Shack No 278-1636 Make whatever size hole necessary strain relief made thinner panels slight thinning case point will have done easily managed Dremel Moto Tool rotary cutter exception IC board mount components within case AC outlet should have 4-inLeft casemounted components small round object upper lefthand corner PC board isa piezoelectric buzzer optional audio alarm Right Rear case showing external components including Alarm Audio Off switch described text June 1985 41 long lead attached bottom terminal 2Yz-in top terminals No connection made third terminal attached frame AC outlet transformer mounted black primary leads left other four leads go right Install fuse holder AC cord complete wiring indicated Primary AC Wiring sketch Notice no on/off switch such unit ready start working whenever plug can now devote attention panel Make holes indicatedwith allowances number switch holes have chosen options other indicated Letter spray panel shown required Alarm Audio Off Switch mounted rear case function exactly single-pole double-throw type used single-throw simple on/off function Solder 6-in lead its center contact before installed case other wire later routed should go outer terminals matter choice though prefer forward movement finger towards center case PC board mounted case two Radio Shack 4-40 x Vz spacers Should spacer greaterthan Y4-in dia used insulating washer should installed between board prevent short between two nearby lands switches may now mounted Use washers between panel reduce amount protrude through panel switches lcok alike notice actually three different types Mount follows see sketch Push On/Push Off 5OlPBSWl SW3 Normally Open 502PBSW4 SW5 SW6 Normally Closed 503PBSW2 Notice SWi installed contacts facing towards outer edge panel provide clearance between output socket side SWi 5W3 tbrough 5W6 con nected together M8 referred inthe 1023 literature Vss Except interswitch connections attaching leads shown other switch contacts connect other leads switches time Temporarily mount adapters panel No6 screws also temporarily mount module adapters Now PC board Mount relay first Note occupies space 16pin IC has eight active pins unevenly spaced card relay comes contains sketch pin number diagram seen top relay should mounted Pin 1 land designated PC board Mount other PC board components paying close attention capacitor rectifier diode polarity Solder wires lengths indicated lands shown re maining unused holes will receive wires directly transformer output socket now final approachthe mating various sub-assemblies module off adapters its approximate final position solder wires switches module con nections module made top side wire inserted under side careful close spacing module connections can easily lead bridge Make following connections solder except first step M14 M8 SWl-B M8 solder SW3-A Mu SW4-A Ml6 SW5-A M13 SW6-A M12 SWl-AtoMl8 transformer secondary connections next follows Red Orange PC5 Red Orange PC 15 Green M4 Red/White White M7 rest AC wiring now tached consisting Transformer Black PC4 Remaining AC lead PC4 Top outlet lead PC6 Next following connections origi nating PC board should made PCi M22 PC2 M25 PC3 Alarm Audio-Off Switch Alarm Audio-Off Switch M26 PC5 Ml PC7 M23 PC9 SW2-B PCl2 M21 PC15 SW2-A now about over except shouting Test obvious mistakes such unconnected wires unused holes PC board solder bridges etc Unless youve included some options own should no connections M3 56 9 10 15 17 19 20 24 27 M28 Now components spread out short others fingers out case plug AC cord should no smoke nor action kind including lighted digits did follow instructions installed fuse before told Unplug install fuse plug again Still no smoke digits should light blinking rate about once second Unplug temporarily attach PC board module place still bezel Continued page 132 42 Model Aviation Digital Programmable Charger Timer work though LEDs dont show up photo RC system charger plugged output socket will work long tell no overcharging blinking display will tell power loss no undercharging lems Example find down-ele vator needed hold level flight doesnt mean tail heavy needing nose weight trouble wing lifting tail out plane decrease lift slightly raising wing trailing edge dont mistakenly feel have reduced over lifting capability wing because havent lift strut mount pro vided slots adjust wing problems showing another example versatility parasol configuration proper trim wing profile view will appear have negative incidence aircraft close design weight over weight might actually have add positive incidence wing achieve tail trim case would SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping reducing overall lifting capability model Also sure balance model along roll axis nails pushed soft wing tips will usually correct im balance Set control throws amounts shown plans will produce quick responses such needed creative maneuvers Use elevator back pressure turns glides forward elevator pressure inverted flight right rudder takeoffs climbs Use lots rudder slips hold track varying degrees opposite aileron nice knife-edge flight use almost full top rudder Normal outside snap rools easy recovery positive also normal inverted spins Flat turns GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $26900 shipping Wheels sold separately ORDER DIRECT ONLY Knights Air 1400 Rte 32 West Friendship MD 21794 301 489-5050 rudder stable look good like em keep some power may sound like model set up just flying aerobatics fly half-power outstanding trainer stable just responsive enough keep out trouble Work hard low engine idle differential between top rpm idle relatively small four-strokers Low idle required realistic glides safe taxiing maneuvers such takeoff-loop-land back-side airspeed must kept low Use other wings added pleasure versatile parasol heavier-loaded low aspect ratio wing about 24 oz per sq ft would good flying high winds try STOL type Clark-Y airfoil section flaps and/or slots its ball Use accessory hatches sorts thingslike bomb dropping banner tow ing tissue dropping parachute dropping photography whatever can think Field assembly disassembly Rooster easy live loosening six nylon bolts about three turns unplug ging aileron servo snapping wing struts out mounts folding lift struts back against fuselage ready load up takes less two minutes no screws lose thread cold numb fingers system works very well metalwork difficult may appear Just sure tabs match screw heads know will like versatile func tional durable vintage-type airplane Charge Timer/Marez Continued page 42 TestingThis actually dual step will learning program charge timer what button does test work AC plug back wall display blinking press Fast Set button blinking should stop Now press boththeFast Slow set buttons simultaneously release display should indicate either 1200 0000 former clock set 12-hour time 24-hour time latter Pressing 24/12 button should change display indications other Leave 1200 pressing Fast button will advance time rate hour minutes second Slow button advances time two minutes per second Press Fast button until display past 1200 pm indicator small dot upper left corner display should now appear Pressing 24/12 button once will cause dot disappear display change equivalent time 24-hour clock example indicated time 235 pm will become 1435 Pressing Alarm Display button will cause change display some arbitrary time desired alarm time can set Fast Slow set buttons 132 Model Aviation IiLL LLLL U L 13311 beach Ave e Marina Del Rey UA 2 121-6242 KNIGHTS AIR J P-51 J 0 0 %6 / 0 9 ~TIMONIU&q __A\~YORKROAD FAIRGROU TIMONIUM RD TO FR OrN BALTIMOREWE S TAKE TIMONIUM RD EAST EXIT 16 --OFF OF INTERSTATE 83 D STATE FAIRGROUNDS 0 L0 fIJLiNVX 4tr MO 4$ c #0 3 TIMONIUM FAIR GROUNDS TIMONIUM MARYLAND FOR INFO CONTACT MARC DIRECTOR Dan Yarchin 6331 Red Cedar Place Baltimore Maryland 21209 301 358-8819 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE same manner present time Depressing three buttons simul taneously will return alarm time 1200 0000 manner similar already explained Charge Reset button has no visible affect time will explained cover operation unit last button OffAlarm obvious cuts off terrible racket thing will make 500 am 0500 telling time get up also tells alarm function armed does lighting small red dot lower right corner display alarm must armed charger shutoff atthe desiredtime Alarm Audio switch rear unit works together feature provide beep want itor merely silently terminate charging alone desired test alarm set alarm time ahead currently-indicated time advance latter Fast button times coincide audio alarm will heard can stopped Off Alarm button test charge out put lamp less 100 watts can plugged outlet Cycle timer before lamp will during normal time will go off current time advanced coincide alarm-set time much less confusing charge timer hands can see action switch Once around become expert Operation point should pretty obvious couple exceptions will now cover 24/12 feature save some mental gym nastics times using unit control charge time depending timepiece aural alarm Simply set 24 hours zero both indicated alarm times set desired time period latter alarm must proper time has elapsed charging will automatically cease Obviously same thing will happen actual correct time entered either 24- 12-hour settings exception have add desired charge time present time enter alarm time Reset Charge button must used start charge cycle after charge timer has through On/Off cycle once either alarm actually time terminate charge resetting action takes place automatically unit first plugged have cycled once testing punch button mo mentarily after setting times Actual charging action can checked LED indicator present RC system chargers everything works normally can now complete final assembly involves installation bezel filter adap Continued page 136 Fly same prop over over again Continuous filament fiberglass blades molded epoxy resin Hi-performance test proven propellor blade shape 2-piece 7075 aluminum T6 hardness hub anodized black Removeable steel pins quick blade changes Tested high RPM blades will change pitch PROP HUB ASSEMBLY # 103 1 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUD # 109 Available Tx 25 7x 3 7x 35 8x 4 $400 per blade $800 per pair additional nose walht steel hub available PlOP HUB ASSEMBLY # IOU grams $1500 Pulp HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR NOB # 110 Available 6x 3 $400 per blade $800 per pair Additional sizes larger diameters available soon Send SSAE catalno sheet complete line June1985 133 & & ff& rz JIM ROBERTS Rt2 Box 2547 La Grande OR 97850 503-963-0596 VERY FINEST QUALItY MATERIALS SUPERIOR MACHINE FINISHED PARTS SUPER CLEAN FLYING AIRPLANES FAST BUILDING ENJOYABLE ASSEMBLY BICAT SPAN 47 ENGINE 40- 50 BI PLANE IS HIGHLY STABLE AND EASY TO SHOW STOPPER VISA Welcome THIS bEAUTIFUL MANEUVERABLE FLY REAL Also Available TOPCAT Span 577 FIREGAT Span 577 LASERCATSpan 540 Dealer Inquiries Invited $5950 6550 7450 Consumers Guide MA iso ott st Harrlsonburg VA 22801 Addens r Charge Timer/Marez Continued page 133 ters course module After removing protective covering bezel filter notice aphjny dull side should inst1hidwith dull surface outward As ybii liritali panel case check anr obstruc tions though used taiiponents dimensions given no problffls should arise Install panel screws sit back admire looks great doesnt importantly will comfort know using Digital Pro grammable Charge Timer instruc tions furnished maker RC system will assure safe complete charg ing important Ni-Cd bat terieswithout fear overcharging Parts update latest Digi-Key catalog lists relay Part No Z3 10-ND priced $335 identical size pin connections Radio Shack unit previ ously mentioned can save yourself extra trip including initial order parts RC SoaringjIruss Continued page 45 launch F3B tasks further con cern wing loads during turns Speed task safety factor wing design becomes paramount can also prob lem Explaining reducing com plex system its simplest form Believe engineering masterfully done puts bird truly class itself Details will come later column after Australian World Championships April meantime visualize aluminum Ibeam spar ball bearing fit snuggly side I-beam web ball bearings act guides provide almost friction-free movement outer wing panels telescope panels move through belt-drive system via elec tric motors Some its interesting specifications wing area varies about 790 1100 square inches aspect ratio 10 149 varies wing loading about 11 ounces per square foot about 16 ounces details become available meantime dont look dealers window Wingevatorons Mark TriebesSa ratoga CA comes control system ahd idea wouldnt too difficult enijiloy latest worldbeater Modificatidhs model would slight acding Mark might worth drort Marks idea flight control uses two servosand both control movements wings thats no rudder control nor elevator control As can seen drawing roll servo provides movement wings control lateral movement Turns prob ably kind sloshy might diulicult td keep ball center A-stage cadet might make point does work pitch servo moves both wing same direction giving same affdct elevators hardware off-the-shelf heart system besides servos Du Bro iniier could elimi nat&1 transmitter has built-in mixer Mark used system new design called Mistral Flying results have gratiIring also points out building snap because eliminated pushrods linkages hinges rudder elevator Speed brakes Back April 1982 column Swiss Spartakus version split-rudder speed brake used servo conventional rudder control another servo split rudder through series cords pulleys actuating arms springs system workedE throw limited mechanics system werent anyone hadnt progressed beyond Sticks Glue 101 month photo shows simple system could think possible Instead two separate servos mentioned above Wunscheim West Germany shows version too uses two servos left half rudder right half2 Through 136 Model Aviation p 8750 S ATTENTION 1/4 SCALERS EPOXY GLASS COWLS FOR NOSEN PICA 510 MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAPT SHEBEB PIllS & C SCALE SUPER CUB FOKKER 0- BOEING P12 P26 F4B2 F4B4 SPARROW HAWK GEE BEE MOO V MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II SCALE JI-Bi BABY PLYBABY & OTHERS WHEEL PANTS FOR CITABBIA STARGUSTER II PITYS SEYBOLT LIBERTY SPORT CHRISTEN EAGLE P6E HAWK MULLIGAN & OTHERS LARGE SCALE PLANS AVAILABLE Please send $100 complete list supply Modelers fiberglass parts plans Write Call Us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CITY MI 4B135 PHONE 1313421-6358 BRAZED N HEAT-TREATED WIRE GEARS N CABANES PHONE 13131261-9064 Second Edition Most Complete Guide Market 167 Manufacturers Importers etc 250 Pages postage $165 Total Cost $860 Send $880 lIncludEs shipping UPS APO sod foreIgn surface maill $124s foreign air Wall to
Edition: Model Aviation - 1985/06
Page Numbers: 38, 39, 40, 41, 42, 132, 133, 136
- - - ouve ever lost plane due battery either under charged cooked death too much charging article wont want miss HEloy Marez AS OUR RC EQUIPMENT has become increasingly sophisticated have power requirements seeing increasing variety types nickle cadmium batteries available furnished use Along different bat teries use experiencing increas ingly varying charge requirements rates times basics dont change cant af ford undercharge risk running out fast asleep away charge timer described herein will make life considerably easier respects simply set up desired period per RC system makers instructions can go away charging will cease proper timeright minute accurate attractive timepiece pennies can build-in optional aural alarm guarantee being flying field time first round power monitor included event power loss during charge period display will blinking battery power flight Neither can afford overcharge small amount such will assure youve reached 100% charge consistent overcharging will eventually result cell gassing loss capacity shortening battery life worst cases loss airplane fore important follow manufac turers recommendations charging times runs us schedule has kept up already busy life have remember start charging period certain time end other Operation simple large highvisibility light-emitting diode LED dis play assures accuracy Construc tion also simple thanks modern inte grated circuitry optoelectronics tech nology As bonus charge timer will also work correctly monitoring RC charge requirements modified adapter mounts 6-32 screw integral part bezel sup ports clock module proper dis tance display panel Neat setupi 38 Model Aviation Programmable Charger Timer built standard 6V4 x 3 x 2-in electronics case secret its easy construction reliability lies pre-assembled clock module requires oniywiring Let clock control takethe guessing out charging times Left versatile National Semiconductor MAl 023 Digitai LED Ciock Moduie requires addition transformer few switches some imagination Right universal mounting adapters furnished bezel quite universal wed like requiring some additional adapting Onthe leftwe havethe original right isthe adapterafter has trimmed tosultour requirements - a S 0 base original mounting adapterIft baseof modified PC1S P9 Mu 5 IIi SW3 Switch designations viewed rear wiring Designations scribed text Thefigure isthe iengththe wire shouid properfit wflen power does come back such case pre-set information will lost charging will have restarted upon return AC power Unless can determine long power off wont know much charging time lost better no warning flying batteries assumed properly charged though werent Circuit heart charge timer 100% self-contained digital time module called MA1023 manufactured Na tional Semiconductor Co entirely selftronic piuuu,.z Options ways MA 1023 can put work described application literature supplied it recommended study literature thoroughly before June 1985 39 14i II II II jOj II Ii M18 M8 contained timekeeping counting display circuitry components pre assembled 15 x 325-in printed circuit board Total height 75 self-contained module requires addition AC power switches allow perform multitude timekeep ing functions special transformer available its supplier other required components few other items needed complete charge timer readily-available electric elec 3lf B S order parts can tailor charge timer buying parts exactly needs example may need audio alarm feature have built Simply leave off dont purchase required parts adjust panel switch spacing five switches other hand plan using alarm feature daily might interested snooz feature gives extra 9 mm wake up time press button countries 50-cycle current need add ajumper timer keep correct time also Some may care 1224hour switchable feature just leave off switch itll display time 12-hour format prefer constant 24-hour timepiece jumper will give can pick choose interesting easy First lets go shopping Youll need following items available Digi Key Corporation Highway 32 South Box 677 Thief River Falls MN 56701 Tele phone credit card orders accepted toll-free 800/346-5144 other informa tion may call 218/681-6674 1 MA1O23M Clock Module$1170 1 MA1O23T Transformer395 1 MA1O23B Buzzer310 1 400 Bezel w/red filter495 1 422 Universal Bezel Adapter69 2 5OlPB Switches @ 56112 3 SO2PB Switches @ 56168 503PB Switch 56 1 700K ND Instrument Box 0 1 2046K-ND Aluminum Panel 7 1 F004-ND Panel Fuseholder 5 1 F115-ND i-Amp Fuses S @ .. 124 1 1N4001 Rectifier Diode 10 @80 1 SW1O4-ND SPDT Switch34 488C Line Cord35 l0OhnWattResistor5@25 1 82K Resistor 5 @25 1 P6620 l00/16V Capacitor27 above items fully described Digi-Key catalog available asking above address addition will need following locally-pro cured items 1 Radio Shack Relay No 275-215 1 Radio Shack Single IC Board No 276-024 1 Radio Shack Aluminum Spacers No 643024 Leviton No 50 15-1 Receptacle see text short discussion about some parts used may helpful example transformer referred MA 1023 literature listed having red 2 red/white 1 green 1 leads However last received dif ferent-colored secondary wiring case following applies red orange 2 red/white white 1 green green 1 primary leads black both cases brand number output U receptacle given parts list further referred Single Flush Outlet Parallel Slotted available hardware electrical parts stores made mounting awall outlet box comes long mounting ears have trimmed off just outside No 6 threaded holes closest body holes usedto mountthe outletwithin case Any similar outlet another brand may used Radio Shack IC board requires number additional holes shown sketch locations shown solid dots should No 60 open circles indicate No 55 holes larger wires bezel attached panel two No6 screws integral part also attach module mounting adapter faced having adapt adapter tasks mental preparation actually takes longer doing Since mounting adapter MA 1023 available have use universal type trim fit Study sketches original modified adapter bases mods consist trinuning out center re-joining cyano acrylate adhesive drilling new hole trim off extra set unused module mounting posts small end adapter module held place four Left view clock module control switches will appear mounted front panel Right local RadIo Shack storo will furnish control relay single IC mounting PC board supports few other external componente 40 Model Aviation U push-on clips furnished adapter permanently mount module until connections have made testing described has completed can temporarily hold module place adapter small grommets short lengths fuel tubing slipped over mounting posts two panels available case listed used similar black plastic chose aluminum panel because provides better contrast photographsbut also because let tered black rub-offs sprayed clear finish such Super Poxy extremely durable attractive Obvi ously labels can put method choose easy way being plastic tape writer inter-unit connections will made after individual parts panel case IC board have components mounted partly wired make last step easier understand connection points module re 1O ferred Ml through M28 left right looking front display very small 1 found printed first connecting hole left switches seen mounting sketch num bered SWi through SW6 connec tions being further designated B Last IC board lands have assigned corresponding pin numbers relay uses same system ICs can now start actual construction Beginning case make holes rear right side shown sketches opening output socket best made l-in-dia hole saw mounted drill press such available coping saw file will suffice though taking little muscle dust Bakelite case slightly irritating breathed has yet reported weeks carcin ogen doubt would lungs much good Use face mask cutting case hole AC cord marked dimension may choose protect cord either rubber grom met strain relief such Radio Shack No 278-1636 Make whatever size hole necessary strain relief made thinner panels slight thinning case point will have done easily managed Dremel Moto Tool rotary cutter exception IC board mount components within case AC outlet should have 4-inLeft casemounted components small round object upper lefthand corner PC board isa piezoelectric buzzer optional audio alarm Right Rear case showing external components including Alarm Audio Off switch described text June 1985 41 long lead attached bottom terminal 2Yz-in top terminals No connection made third terminal attached frame AC outlet transformer mounted black primary leads left other four leads go right Install fuse holder AC cord complete wiring indicated Primary AC Wiring sketch Notice no on/off switch such unit ready start working whenever plug can now devote attention panel Make holes indicatedwith allowances number switch holes have chosen options other indicated Letter spray panel shown required Alarm Audio Off Switch mounted rear case function exactly single-pole double-throw type used single-throw simple on/off function Solder 6-in lead its center contact before installed case other wire later routed should go outer terminals matter choice though prefer forward movement finger towards center case PC board mounted case two Radio Shack 4-40 x Vz spacers Should spacer greaterthan Y4-in dia used insulating washer should installed between board prevent short between two nearby lands switches may now mounted Use washers between panel reduce amount protrude through panel switches lcok alike notice actually three different types Mount follows see sketch Push On/Push Off 5OlPBSWl SW3 Normally Open 502PBSW4 SW5 SW6 Normally Closed 503PBSW2 Notice SWi installed contacts facing towards outer edge panel provide clearance between output socket side SWi 5W3 tbrough 5W6 con nected together M8 referred inthe 1023 literature Vss Except interswitch connections attaching leads shown other switch contacts connect other leads switches time Temporarily mount adapters panel No6 screws also temporarily mount module adapters Now PC board Mount relay first Note occupies space 16pin IC has eight active pins unevenly spaced card relay comes contains sketch pin number diagram seen top relay should mounted Pin 1 land designated PC board Mount other PC board components paying close attention capacitor rectifier diode polarity Solder wires lengths indicated lands shown re maining unused holes will receive wires directly transformer output socket now final approachthe mating various sub-assemblies module off adapters its approximate final position solder wires switches module con nections module made top side wire inserted under side careful close spacing module connections can easily lead bridge Make following connections solder except first step M14 M8 SWl-B M8 solder SW3-A Mu SW4-A Ml6 SW5-A M13 SW6-A M12 SWl-AtoMl8 transformer secondary connections next follows Red Orange PC5 Red Orange PC 15 Green M4 Red/White White M7 rest AC wiring now tached consisting Transformer Black PC4 Remaining AC lead PC4 Top outlet lead PC6 Next following connections origi nating PC board should made PCi M22 PC2 M25 PC3 Alarm Audio-Off Switch Alarm Audio-Off Switch M26 PC5 Ml PC7 M23 PC9 SW2-B PCl2 M21 PC15 SW2-A now about over except shouting Test obvious mistakes such unconnected wires unused holes PC board solder bridges etc Unless youve included some options own should no connections M3 56 9 10 15 17 19 20 24 27 M28 Now components spread out short others fingers out case plug AC cord should no smoke nor action kind including lighted digits did follow instructions installed fuse before told Unplug install fuse plug again Still no smoke digits should light blinking rate about once second Unplug temporarily attach PC board module place still bezel Continued page 132 42 Model Aviation Digital Programmable Charger Timer work though LEDs dont show up photo RC system charger plugged output socket will work long tell no overcharging blinking display will tell power loss no undercharging lems Example find down-ele vator needed hold level flight doesnt mean tail heavy needing nose weight trouble wing lifting tail out plane decrease lift slightly raising wing trailing edge dont mistakenly feel have reduced over lifting capability wing because havent lift strut mount pro vided slots adjust wing problems showing another example versatility parasol configuration proper trim wing profile view will appear have negative incidence aircraft close design weight over weight might actually have add positive incidence wing achieve tail trim case would SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping reducing overall lifting capability model Also sure balance model along roll axis nails pushed soft wing tips will usually correct im balance Set control throws amounts shown plans will produce quick responses such needed creative maneuvers Use elevator back pressure turns glides forward elevator pressure inverted flight right rudder takeoffs climbs Use lots rudder slips hold track varying degrees opposite aileron nice knife-edge flight use almost full top rudder Normal outside snap rools easy recovery positive also normal inverted spins Flat turns GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $26900 shipping Wheels sold separately ORDER DIRECT ONLY Knights Air 1400 Rte 32 West Friendship MD 21794 301 489-5050 rudder stable look good like em keep some power may sound like model set up just flying aerobatics fly half-power outstanding trainer stable just responsive enough keep out trouble Work hard low engine idle differential between top rpm idle relatively small four-strokers Low idle required realistic glides safe taxiing maneuvers such takeoff-loop-land back-side airspeed must kept low Use other wings added pleasure versatile parasol heavier-loaded low aspect ratio wing about 24 oz per sq ft would good flying high winds try STOL type Clark-Y airfoil section flaps and/or slots its ball Use accessory hatches sorts thingslike bomb dropping banner tow ing tissue dropping parachute dropping photography whatever can think Field assembly disassembly Rooster easy live loosening six nylon bolts about three turns unplug ging aileron servo snapping wing struts out mounts folding lift struts back against fuselage ready load up takes less two minutes no screws lose thread cold numb fingers system works very well metalwork difficult may appear Just sure tabs match screw heads know will like versatile func tional durable vintage-type airplane Charge Timer/Marez Continued page 42 TestingThis actually dual step will learning program charge timer what button does test work AC plug back wall display blinking press Fast Set button blinking should stop Now press boththeFast Slow set buttons simultaneously release display should indicate either 1200 0000 former clock set 12-hour time 24-hour time latter Pressing 24/12 button should change display indications other Leave 1200 pressing Fast button will advance time rate hour minutes second Slow button advances time two minutes per second Press Fast button until display past 1200 pm indicator small dot upper left corner display should now appear Pressing 24/12 button once will cause dot disappear display change equivalent time 24-hour clock example indicated time 235 pm will become 1435 Pressing Alarm Display button will cause change display some arbitrary time desired alarm time can set Fast Slow set buttons 132 Model Aviation IiLL LLLL U L 13311 beach Ave e Marina Del Rey UA 2 121-6242 KNIGHTS AIR J P-51 J 0 0 %6 / 0 9 ~TIMONIU&q __A\~YORKROAD FAIRGROU TIMONIUM RD TO FR OrN BALTIMOREWE S TAKE TIMONIUM RD EAST EXIT 16 --OFF OF INTERSTATE 83 D STATE FAIRGROUNDS 0 L0 fIJLiNVX 4tr MO 4$ c #0 3 TIMONIUM FAIR GROUNDS TIMONIUM MARYLAND FOR INFO CONTACT MARC DIRECTOR Dan Yarchin 6331 Red Cedar Place Baltimore Maryland 21209 301 358-8819 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE same manner present time Depressing three buttons simul taneously will return alarm time 1200 0000 manner similar already explained Charge Reset button has no visible affect time will explained cover operation unit last button OffAlarm obvious cuts off terrible racket thing will make 500 am 0500 telling time get up also tells alarm function armed does lighting small red dot lower right corner display alarm must armed charger shutoff atthe desiredtime Alarm Audio switch rear unit works together feature provide beep want itor merely silently terminate charging alone desired test alarm set alarm time ahead currently-indicated time advance latter Fast button times coincide audio alarm will heard can stopped Off Alarm button test charge out put lamp less 100 watts can plugged outlet Cycle timer before lamp will during normal time will go off current time advanced coincide alarm-set time much less confusing charge timer hands can see action switch Once around become expert Operation point should pretty obvious couple exceptions will now cover 24/12 feature save some mental gym nastics times using unit control charge time depending timepiece aural alarm Simply set 24 hours zero both indicated alarm times set desired time period latter alarm must proper time has elapsed charging will automatically cease Obviously same thing will happen actual correct time entered either 24- 12-hour settings exception have add desired charge time present time enter alarm time Reset Charge button must used start charge cycle after charge timer has through On/Off cycle once either alarm actually time terminate charge resetting action takes place automatically unit first plugged have cycled once testing punch button mo mentarily after setting times Actual charging action can checked LED indicator present RC system chargers everything works normally can now complete final assembly involves installation bezel filter adap Continued page 136 Fly same prop over over again Continuous filament fiberglass blades molded epoxy resin Hi-performance test proven propellor blade shape 2-piece 7075 aluminum T6 hardness hub anodized black Removeable steel pins quick blade changes Tested high RPM blades will change pitch PROP HUB ASSEMBLY # 103 1 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUD # 109 Available Tx 25 7x 3 7x 35 8x 4 $400 per blade $800 per pair additional nose walht steel hub available PlOP HUB ASSEMBLY # IOU grams $1500 Pulp HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR NOB # 110 Available 6x 3 $400 per blade $800 per pair Additional sizes larger diameters available soon Send SSAE catalno sheet complete line June1985 133 & & ff& rz JIM ROBERTS Rt2 Box 2547 La Grande OR 97850 503-963-0596 VERY FINEST QUALItY MATERIALS SUPERIOR MACHINE FINISHED PARTS SUPER CLEAN FLYING AIRPLANES FAST BUILDING ENJOYABLE ASSEMBLY BICAT SPAN 47 ENGINE 40- 50 BI PLANE IS HIGHLY STABLE AND EASY TO SHOW STOPPER VISA Welcome THIS bEAUTIFUL MANEUVERABLE FLY REAL Also Available TOPCAT Span 577 FIREGAT Span 577 LASERCATSpan 540 Dealer Inquiries Invited $5950 6550 7450 Consumers Guide MA iso ott st Harrlsonburg VA 22801 Addens r Charge Timer/Marez Continued page 133 ters course module After removing protective covering bezel filter notice aphjny dull side should inst1hidwith dull surface outward As ybii liritali panel case check anr obstruc tions though used taiiponents dimensions given no problffls should arise Install panel screws sit back admire looks great doesnt importantly will comfort know using Digital Pro grammable Charge Timer instruc tions furnished maker RC system will assure safe complete charg ing important Ni-Cd bat terieswithout fear overcharging Parts update latest Digi-Key catalog lists relay Part No Z3 10-ND priced $335 identical size pin connections Radio Shack unit previ ously mentioned can save yourself extra trip including initial order parts RC SoaringjIruss Continued page 45 launch F3B tasks further con cern wing loads during turns Speed task safety factor wing design becomes paramount can also prob lem Explaining reducing com plex system its simplest form Believe engineering masterfully done puts bird truly class itself Details will come later column after Australian World Championships April meantime visualize aluminum Ibeam spar ball bearing fit snuggly side I-beam web ball bearings act guides provide almost friction-free movement outer wing panels telescope panels move through belt-drive system via elec tric motors Some its interesting specifications wing area varies about 790 1100 square inches aspect ratio 10 149 varies wing loading about 11 ounces per square foot about 16 ounces details become available meantime dont look dealers window Wingevatorons Mark TriebesSa ratoga CA comes control system ahd idea wouldnt too difficult enijiloy latest worldbeater Modificatidhs model would slight acding Mark might worth drort Marks idea flight control uses two servosand both control movements wings thats no rudder control nor elevator control As can seen drawing roll servo provides movement wings control lateral movement Turns prob ably kind sloshy might diulicult td keep ball center A-stage cadet might make point does work pitch servo moves both wing same direction giving same affdct elevators hardware off-the-shelf heart system besides servos Du Bro iniier could elimi nat&1 transmitter has built-in mixer Mark used system new design called Mistral Flying results have gratiIring also points out building snap because eliminated pushrods linkages hinges rudder elevator Speed brakes Back April 1982 column Swiss Spartakus version split-rudder speed brake used servo conventional rudder control another servo split rudder through series cords pulleys actuating arms springs system workedE throw limited mechanics system werent anyone hadnt progressed beyond Sticks Glue 101 month photo shows simple system could think possible Instead two separate servos mentioned above Wunscheim West Germany shows version too uses two servos left half rudder right half2 Through 136 Model Aviation p 8750 S ATTENTION 1/4 SCALERS EPOXY GLASS COWLS FOR NOSEN PICA 510 MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAPT SHEBEB PIllS & C SCALE SUPER CUB FOKKER 0- BOEING P12 P26 F4B2 F4B4 SPARROW HAWK GEE BEE MOO V MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II SCALE JI-Bi BABY PLYBABY & OTHERS WHEEL PANTS FOR CITABBIA STARGUSTER II PITYS SEYBOLT LIBERTY SPORT CHRISTEN EAGLE P6E HAWK MULLIGAN & OTHERS LARGE SCALE PLANS AVAILABLE Please send $100 complete list supply Modelers fiberglass parts plans Write Call Us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CITY MI 4B135 PHONE 1313421-6358 BRAZED N HEAT-TREATED WIRE GEARS N CABANES PHONE 13131261-9064 Second Edition Most Complete Guide Market 167 Manufacturers Importers etc 250 Pages postage $165 Total Cost $860 Send $880 lIncludEs shipping UPS APO sod foreIgn surface maill $124s foreign air Wall to
Edition: Model Aviation - 1985/06
Page Numbers: 38, 39, 40, 41, 42, 132, 133, 136
- - - ouve ever lost plane due battery either under charged cooked death too much charging article wont want miss HEloy Marez AS OUR RC EQUIPMENT has become increasingly sophisticated have power requirements seeing increasing variety types nickle cadmium batteries available furnished use Along different bat teries use experiencing increas ingly varying charge requirements rates times basics dont change cant af ford undercharge risk running out fast asleep away charge timer described herein will make life considerably easier respects simply set up desired period per RC system makers instructions can go away charging will cease proper timeright minute accurate attractive timepiece pennies can build-in optional aural alarm guarantee being flying field time first round power monitor included event power loss during charge period display will blinking battery power flight Neither can afford overcharge small amount such will assure youve reached 100% charge consistent overcharging will eventually result cell gassing loss capacity shortening battery life worst cases loss airplane fore important follow manufac turers recommendations charging times runs us schedule has kept up already busy life have remember start charging period certain time end other Operation simple large highvisibility light-emitting diode LED dis play assures accuracy Construc tion also simple thanks modern inte grated circuitry optoelectronics tech nology As bonus charge timer will also work correctly monitoring RC charge requirements modified adapter mounts 6-32 screw integral part bezel sup ports clock module proper dis tance display panel Neat setupi 38 Model Aviation Programmable Charger Timer built standard 6V4 x 3 x 2-in electronics case secret its easy construction reliability lies pre-assembled clock module requires oniywiring Let clock control takethe guessing out charging times Left versatile National Semiconductor MAl 023 Digitai LED Ciock Moduie requires addition transformer few switches some imagination Right universal mounting adapters furnished bezel quite universal wed like requiring some additional adapting Onthe leftwe havethe original right isthe adapterafter has trimmed tosultour requirements - a S 0 base original mounting adapterIft baseof modified PC1S P9 Mu 5 IIi SW3 Switch designations viewed rear wiring Designations scribed text Thefigure isthe iengththe wire shouid properfit wflen power does come back such case pre-set information will lost charging will have restarted upon return AC power Unless can determine long power off wont know much charging time lost better no warning flying batteries assumed properly charged though werent Circuit heart charge timer 100% self-contained digital time module called MA1023 manufactured Na tional Semiconductor Co entirely selftronic piuuu,.z Options ways MA 1023 can put work described application literature supplied it recommended study literature thoroughly before June 1985 39 14i II II II jOj II Ii M18 M8 contained timekeeping counting display circuitry components pre assembled 15 x 325-in printed circuit board Total height 75 self-contained module requires addition AC power switches allow perform multitude timekeep ing functions special transformer available its supplier other required components few other items needed complete charge timer readily-available electric elec 3lf B S order parts can tailor charge timer buying parts exactly needs example may need audio alarm feature have built Simply leave off dont purchase required parts adjust panel switch spacing five switches other hand plan using alarm feature daily might interested snooz feature gives extra 9 mm wake up time press button countries 50-cycle current need add ajumper timer keep correct time also Some may care 1224hour switchable feature just leave off switch itll display time 12-hour format prefer constant 24-hour timepiece jumper will give can pick choose interesting easy First lets go shopping Youll need following items available Digi Key Corporation Highway 32 South Box 677 Thief River Falls MN 56701 Tele phone credit card orders accepted toll-free 800/346-5144 other informa tion may call 218/681-6674 1 MA1O23M Clock Module$1170 1 MA1O23T Transformer395 1 MA1O23B Buzzer310 1 400 Bezel w/red filter495 1 422 Universal Bezel Adapter69 2 5OlPB Switches @ 56112 3 SO2PB Switches @ 56168 503PB Switch 56 1 700K ND Instrument Box 0 1 2046K-ND Aluminum Panel 7 1 F004-ND Panel Fuseholder 5 1 F115-ND i-Amp Fuses S @ .. 124 1 1N4001 Rectifier Diode 10 @80 1 SW1O4-ND SPDT Switch34 488C Line Cord35 l0OhnWattResistor5@25 1 82K Resistor 5 @25 1 P6620 l00/16V Capacitor27 above items fully described Digi-Key catalog available asking above address addition will need following locally-pro cured items 1 Radio Shack Relay No 275-215 1 Radio Shack Single IC Board No 276-024 1 Radio Shack Aluminum Spacers No 643024 Leviton No 50 15-1 Receptacle see text short discussion about some parts used may helpful example transformer referred MA 1023 literature listed having red 2 red/white 1 green 1 leads However last received dif ferent-colored secondary wiring case following applies red orange 2 red/white white 1 green green 1 primary leads black both cases brand number output U receptacle given parts list further referred Single Flush Outlet Parallel Slotted available hardware electrical parts stores made mounting awall outlet box comes long mounting ears have trimmed off just outside No 6 threaded holes closest body holes usedto mountthe outletwithin case Any similar outlet another brand may used Radio Shack IC board requires number additional holes shown sketch locations shown solid dots should No 60 open circles indicate No 55 holes larger wires bezel attached panel two No6 screws integral part also attach module mounting adapter faced having adapt adapter tasks mental preparation actually takes longer doing Since mounting adapter MA 1023 available have use universal type trim fit Study sketches original modified adapter bases mods consist trinuning out center re-joining cyano acrylate adhesive drilling new hole trim off extra set unused module mounting posts small end adapter module held place four Left view clock module control switches will appear mounted front panel Right local RadIo Shack storo will furnish control relay single IC mounting PC board supports few other external componente 40 Model Aviation U push-on clips furnished adapter permanently mount module until connections have made testing described has completed can temporarily hold module place adapter small grommets short lengths fuel tubing slipped over mounting posts two panels available case listed used similar black plastic chose aluminum panel because provides better contrast photographsbut also because let tered black rub-offs sprayed clear finish such Super Poxy extremely durable attractive Obvi ously labels can put method choose easy way being plastic tape writer inter-unit connections will made after individual parts panel case IC board have components mounted partly wired make last step easier understand connection points module re 1O ferred Ml through M28 left right looking front display very small 1 found printed first connecting hole left switches seen mounting sketch num bered SWi through SW6 connec tions being further designated B Last IC board lands have assigned corresponding pin numbers relay uses same system ICs can now start actual construction Beginning case make holes rear right side shown sketches opening output socket best made l-in-dia hole saw mounted drill press such available coping saw file will suffice though taking little muscle dust Bakelite case slightly irritating breathed has yet reported weeks carcin ogen doubt would lungs much good Use face mask cutting case hole AC cord marked dimension may choose protect cord either rubber grom met strain relief such Radio Shack No 278-1636 Make whatever size hole necessary strain relief made thinner panels slight thinning case point will have done easily managed Dremel Moto Tool rotary cutter exception IC board mount components within case AC outlet should have 4-inLeft casemounted components small round object upper lefthand corner PC board isa piezoelectric buzzer optional audio alarm Right Rear case showing external components including Alarm Audio Off switch described text June 1985 41 long lead attached bottom terminal 2Yz-in top terminals No connection made third terminal attached frame AC outlet transformer mounted black primary leads left other four leads go right Install fuse holder AC cord complete wiring indicated Primary AC Wiring sketch Notice no on/off switch such unit ready start working whenever plug can now devote attention panel Make holes indicatedwith allowances number switch holes have chosen options other indicated Letter spray panel shown required Alarm Audio Off Switch mounted rear case function exactly single-pole double-throw type used single-throw simple on/off function Solder 6-in lead its center contact before installed case other wire later routed should go outer terminals matter choice though prefer forward movement finger towards center case PC board mounted case two Radio Shack 4-40 x Vz spacers Should spacer greaterthan Y4-in dia used insulating washer should installed between board prevent short between two nearby lands switches may now mounted Use washers between panel reduce amount protrude through panel switches lcok alike notice actually three different types Mount follows see sketch Push On/Push Off 5OlPBSWl SW3 Normally Open 502PBSW4 SW5 SW6 Normally Closed 503PBSW2 Notice SWi installed contacts facing towards outer edge panel provide clearance between output socket side SWi 5W3 tbrough 5W6 con nected together M8 referred inthe 1023 literature Vss Except interswitch connections attaching leads shown other switch contacts connect other leads switches time Temporarily mount adapters panel No6 screws also temporarily mount module adapters Now PC board Mount relay first Note occupies space 16pin IC has eight active pins unevenly spaced card relay comes contains sketch pin number diagram seen top relay should mounted Pin 1 land designated PC board Mount other PC board components paying close attention capacitor rectifier diode polarity Solder wires lengths indicated lands shown re maining unused holes will receive wires directly transformer output socket now final approachthe mating various sub-assemblies module off adapters its approximate final position solder wires switches module con nections module made top side wire inserted under side careful close spacing module connections can easily lead bridge Make following connections solder except first step M14 M8 SWl-B M8 solder SW3-A Mu SW4-A Ml6 SW5-A M13 SW6-A M12 SWl-AtoMl8 transformer secondary connections next follows Red Orange PC5 Red Orange PC 15 Green M4 Red/White White M7 rest AC wiring now tached consisting Transformer Black PC4 Remaining AC lead PC4 Top outlet lead PC6 Next following connections origi nating PC board should made PCi M22 PC2 M25 PC3 Alarm Audio-Off Switch Alarm Audio-Off Switch M26 PC5 Ml PC7 M23 PC9 SW2-B PCl2 M21 PC15 SW2-A now about over except shouting Test obvious mistakes such unconnected wires unused holes PC board solder bridges etc Unless youve included some options own should no connections M3 56 9 10 15 17 19 20 24 27 M28 Now components spread out short others fingers out case plug AC cord should no smoke nor action kind including lighted digits did follow instructions installed fuse before told Unplug install fuse plug again Still no smoke digits should light blinking rate about once second Unplug temporarily attach PC board module place still bezel Continued page 132 42 Model Aviation Digital Programmable Charger Timer work though LEDs dont show up photo RC system charger plugged output socket will work long tell no overcharging blinking display will tell power loss no undercharging lems Example find down-ele vator needed hold level flight doesnt mean tail heavy needing nose weight trouble wing lifting tail out plane decrease lift slightly raising wing trailing edge dont mistakenly feel have reduced over lifting capability wing because havent lift strut mount pro vided slots adjust wing problems showing another example versatility parasol configuration proper trim wing profile view will appear have negative incidence aircraft close design weight over weight might actually have add positive incidence wing achieve tail trim case would SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping reducing overall lifting capability model Also sure balance model along roll axis nails pushed soft wing tips will usually correct im balance Set control throws amounts shown plans will produce quick responses such needed creative maneuvers Use elevator back pressure turns glides forward elevator pressure inverted flight right rudder takeoffs climbs Use lots rudder slips hold track varying degrees opposite aileron nice knife-edge flight use almost full top rudder Normal outside snap rools easy recovery positive also normal inverted spins Flat turns GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $26900 shipping Wheels sold separately ORDER DIRECT ONLY Knights Air 1400 Rte 32 West Friendship MD 21794 301 489-5050 rudder stable look good like em keep some power may sound like model set up just flying aerobatics fly half-power outstanding trainer stable just responsive enough keep out trouble Work hard low engine idle differential between top rpm idle relatively small four-strokers Low idle required realistic glides safe taxiing maneuvers such takeoff-loop-land back-side airspeed must kept low Use other wings added pleasure versatile parasol heavier-loaded low aspect ratio wing about 24 oz per sq ft would good flying high winds try STOL type Clark-Y airfoil section flaps and/or slots its ball Use accessory hatches sorts thingslike bomb dropping banner tow ing tissue dropping parachute dropping photography whatever can think Field assembly disassembly Rooster easy live loosening six nylon bolts about three turns unplug ging aileron servo snapping wing struts out mounts folding lift struts back against fuselage ready load up takes less two minutes no screws lose thread cold numb fingers system works very well metalwork difficult may appear Just sure tabs match screw heads know will like versatile func tional durable vintage-type airplane Charge Timer/Marez Continued page 42 TestingThis actually dual step will learning program charge timer what button does test work AC plug back wall display blinking press Fast Set button blinking should stop Now press boththeFast Slow set buttons simultaneously release display should indicate either 1200 0000 former clock set 12-hour time 24-hour time latter Pressing 24/12 button should change display indications other Leave 1200 pressing Fast button will advance time rate hour minutes second Slow button advances time two minutes per second Press Fast button until display past 1200 pm indicator small dot upper left corner display should now appear Pressing 24/12 button once will cause dot disappear display change equivalent time 24-hour clock example indicated time 235 pm will become 1435 Pressing Alarm Display button will cause change display some arbitrary time desired alarm time can set Fast Slow set buttons 132 Model Aviation IiLL LLLL U L 13311 beach Ave e Marina Del Rey UA 2 121-6242 KNIGHTS AIR J P-51 J 0 0 %6 / 0 9 ~TIMONIU&q __A\~YORKROAD FAIRGROU TIMONIUM RD TO FR OrN BALTIMOREWE S TAKE TIMONIUM RD EAST EXIT 16 --OFF OF INTERSTATE 83 D STATE FAIRGROUNDS 0 L0 fIJLiNVX 4tr MO 4$ c #0 3 TIMONIUM FAIR GROUNDS TIMONIUM MARYLAND FOR INFO CONTACT MARC DIRECTOR Dan Yarchin 6331 Red Cedar Place Baltimore Maryland 21209 301 358-8819 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE same manner present time Depressing three buttons simul taneously will return alarm time 1200 0000 manner similar already explained Charge Reset button has no visible affect time will explained cover operation unit last button OffAlarm obvious cuts off terrible racket thing will make 500 am 0500 telling time get up also tells alarm function armed does lighting small red dot lower right corner display alarm must armed charger shutoff atthe desiredtime Alarm Audio switch rear unit works together feature provide beep want itor merely silently terminate charging alone desired test alarm set alarm time ahead currently-indicated time advance latter Fast button times coincide audio alarm will heard can stopped Off Alarm button test charge out put lamp less 100 watts can plugged outlet Cycle timer before lamp will during normal time will go off current time advanced coincide alarm-set time much less confusing charge timer hands can see action switch Once around become expert Operation point should pretty obvious couple exceptions will now cover 24/12 feature save some mental gym nastics times using unit control charge time depending timepiece aural alarm Simply set 24 hours zero both indicated alarm times set desired time period latter alarm must proper time has elapsed charging will automatically cease Obviously same thing will happen actual correct time entered either 24- 12-hour settings exception have add desired charge time present time enter alarm time Reset Charge button must used start charge cycle after charge timer has through On/Off cycle once either alarm actually time terminate charge resetting action takes place automatically unit first plugged have cycled once testing punch button mo mentarily after setting times Actual charging action can checked LED indicator present RC system chargers everything works normally can now complete final assembly involves installation bezel filter adap Continued page 136 Fly same prop over over again Continuous filament fiberglass blades molded epoxy resin Hi-performance test proven propellor blade shape 2-piece 7075 aluminum T6 hardness hub anodized black Removeable steel pins quick blade changes Tested high RPM blades will change pitch PROP HUB ASSEMBLY # 103 1 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUD # 109 Available Tx 25 7x 3 7x 35 8x 4 $400 per blade $800 per pair additional nose walht steel hub available PlOP HUB ASSEMBLY # IOU grams $1500 Pulp HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR NOB # 110 Available 6x 3 $400 per blade $800 per pair Additional sizes larger diameters available soon Send SSAE catalno sheet complete line June1985 133 & & ff& rz JIM ROBERTS Rt2 Box 2547 La Grande OR 97850 503-963-0596 VERY FINEST QUALItY MATERIALS SUPERIOR MACHINE FINISHED PARTS SUPER CLEAN FLYING AIRPLANES FAST BUILDING ENJOYABLE ASSEMBLY BICAT SPAN 47 ENGINE 40- 50 BI PLANE IS HIGHLY STABLE AND EASY TO SHOW STOPPER VISA Welcome THIS bEAUTIFUL MANEUVERABLE FLY REAL Also Available TOPCAT Span 577 FIREGAT Span 577 LASERCATSpan 540 Dealer Inquiries Invited $5950 6550 7450 Consumers Guide MA iso ott st Harrlsonburg VA 22801 Addens r Charge Timer/Marez Continued page 133 ters course module After removing protective covering bezel filter notice aphjny dull side should inst1hidwith dull surface outward As ybii liritali panel case check anr obstruc tions though used taiiponents dimensions given no problffls should arise Install panel screws sit back admire looks great doesnt importantly will comfort know using Digital Pro grammable Charge Timer instruc tions furnished maker RC system will assure safe complete charg ing important Ni-Cd bat terieswithout fear overcharging Parts update latest Digi-Key catalog lists relay Part No Z3 10-ND priced $335 identical size pin connections Radio Shack unit previ ously mentioned can save yourself extra trip including initial order parts RC SoaringjIruss Continued page 45 launch F3B tasks further con cern wing loads during turns Speed task safety factor wing design becomes paramount can also prob lem Explaining reducing com plex system its simplest form Believe engineering masterfully done puts bird truly class itself Details will come later column after Australian World Championships April meantime visualize aluminum Ibeam spar ball bearing fit snuggly side I-beam web ball bearings act guides provide almost friction-free movement outer wing panels telescope panels move through belt-drive system via elec tric motors Some its interesting specifications wing area varies about 790 1100 square inches aspect ratio 10 149 varies wing loading about 11 ounces per square foot about 16 ounces details become available meantime dont look dealers window Wingevatorons Mark TriebesSa ratoga CA comes control system ahd idea wouldnt too difficult enijiloy latest worldbeater Modificatidhs model would slight acding Mark might worth drort Marks idea flight control uses two servosand both control movements wings thats no rudder control nor elevator control As can seen drawing roll servo provides movement wings control lateral movement Turns prob ably kind sloshy might diulicult td keep ball center A-stage cadet might make point does work pitch servo moves both wing same direction giving same affdct elevators hardware off-the-shelf heart system besides servos Du Bro iniier could elimi nat&1 transmitter has built-in mixer Mark used system new design called Mistral Flying results have gratiIring also points out building snap because eliminated pushrods linkages hinges rudder elevator Speed brakes Back April 1982 column Swiss Spartakus version split-rudder speed brake used servo conventional rudder control another servo split rudder through series cords pulleys actuating arms springs system workedE throw limited mechanics system werent anyone hadnt progressed beyond Sticks Glue 101 month photo shows simple system could think possible Instead two separate servos mentioned above Wunscheim West Germany shows version too uses two servos left half rudder right half2 Through 136 Model Aviation p 8750 S ATTENTION 1/4 SCALERS EPOXY GLASS COWLS FOR NOSEN PICA 510 MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAPT SHEBEB PIllS & C SCALE SUPER CUB FOKKER 0- BOEING P12 P26 F4B2 F4B4 SPARROW HAWK GEE BEE MOO V MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II SCALE JI-Bi BABY PLYBABY & OTHERS WHEEL PANTS FOR CITABBIA STARGUSTER II PITYS SEYBOLT LIBERTY SPORT CHRISTEN EAGLE P6E HAWK MULLIGAN & OTHERS LARGE SCALE PLANS AVAILABLE Please send $100 complete list supply Modelers fiberglass parts plans Write Call Us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CITY MI 4B135 PHONE 1313421-6358 BRAZED N HEAT-TREATED WIRE GEARS N CABANES PHONE 13131261-9064 Second Edition Most Complete Guide Market 167 Manufacturers Importers etc 250 Pages postage $165 Total Cost $860 Send $880 lIncludEs shipping UPS APO sod foreIgn surface maill $124s foreign air Wall to
Edition: Model Aviation - 1985/06
Page Numbers: 38, 39, 40, 41, 42, 132, 133, 136
- - - ouve ever lost plane due battery either under charged cooked death too much charging article wont want miss HEloy Marez AS OUR RC EQUIPMENT has become increasingly sophisticated have power requirements seeing increasing variety types nickle cadmium batteries available furnished use Along different bat teries use experiencing increas ingly varying charge requirements rates times basics dont change cant af ford undercharge risk running out fast asleep away charge timer described herein will make life considerably easier respects simply set up desired period per RC system makers instructions can go away charging will cease proper timeright minute accurate attractive timepiece pennies can build-in optional aural alarm guarantee being flying field time first round power monitor included event power loss during charge period display will blinking battery power flight Neither can afford overcharge small amount such will assure youve reached 100% charge consistent overcharging will eventually result cell gassing loss capacity shortening battery life worst cases loss airplane fore important follow manufac turers recommendations charging times runs us schedule has kept up already busy life have remember start charging period certain time end other Operation simple large highvisibility light-emitting diode LED dis play assures accuracy Construc tion also simple thanks modern inte grated circuitry optoelectronics tech nology As bonus charge timer will also work correctly monitoring RC charge requirements modified adapter mounts 6-32 screw integral part bezel sup ports clock module proper dis tance display panel Neat setupi 38 Model Aviation Programmable Charger Timer built standard 6V4 x 3 x 2-in electronics case secret its easy construction reliability lies pre-assembled clock module requires oniywiring Let clock control takethe guessing out charging times Left versatile National Semiconductor MAl 023 Digitai LED Ciock Moduie requires addition transformer few switches some imagination Right universal mounting adapters furnished bezel quite universal wed like requiring some additional adapting Onthe leftwe havethe original right isthe adapterafter has trimmed tosultour requirements - a S 0 base original mounting adapterIft baseof modified PC1S P9 Mu 5 IIi SW3 Switch designations viewed rear wiring Designations scribed text Thefigure isthe iengththe wire shouid properfit wflen power does come back such case pre-set information will lost charging will have restarted upon return AC power Unless can determine long power off wont know much charging time lost better no warning flying batteries assumed properly charged though werent Circuit heart charge timer 100% self-contained digital time module called MA1023 manufactured Na tional Semiconductor Co entirely selftronic piuuu,.z Options ways MA 1023 can put work described application literature supplied it recommended study literature thoroughly before June 1985 39 14i II II II jOj II Ii M18 M8 contained timekeeping counting display circuitry components pre assembled 15 x 325-in printed circuit board Total height 75 self-contained module requires addition AC power switches allow perform multitude timekeep ing functions special transformer available its supplier other required components few other items needed complete charge timer readily-available electric elec 3lf B S order parts can tailor charge timer buying parts exactly needs example may need audio alarm feature have built Simply leave off dont purchase required parts adjust panel switch spacing five switches other hand plan using alarm feature daily might interested snooz feature gives extra 9 mm wake up time press button countries 50-cycle current need add ajumper timer keep correct time also Some may care 1224hour switchable feature just leave off switch itll display time 12-hour format prefer constant 24-hour timepiece jumper will give can pick choose interesting easy First lets go shopping Youll need following items available Digi Key Corporation Highway 32 South Box 677 Thief River Falls MN 56701 Tele phone credit card orders accepted toll-free 800/346-5144 other informa tion may call 218/681-6674 1 MA1O23M Clock Module$1170 1 MA1O23T Transformer395 1 MA1O23B Buzzer310 1 400 Bezel w/red filter495 1 422 Universal Bezel Adapter69 2 5OlPB Switches @ 56112 3 SO2PB Switches @ 56168 503PB Switch 56 1 700K ND Instrument Box 0 1 2046K-ND Aluminum Panel 7 1 F004-ND Panel Fuseholder 5 1 F115-ND i-Amp Fuses S @ .. 124 1 1N4001 Rectifier Diode 10 @80 1 SW1O4-ND SPDT Switch34 488C Line Cord35 l0OhnWattResistor5@25 1 82K Resistor 5 @25 1 P6620 l00/16V Capacitor27 above items fully described Digi-Key catalog available asking above address addition will need following locally-pro cured items 1 Radio Shack Relay No 275-215 1 Radio Shack Single IC Board No 276-024 1 Radio Shack Aluminum Spacers No 643024 Leviton No 50 15-1 Receptacle see text short discussion about some parts used may helpful example transformer referred MA 1023 literature listed having red 2 red/white 1 green 1 leads However last received dif ferent-colored secondary wiring case following applies red orange 2 red/white white 1 green green 1 primary leads black both cases brand number output U receptacle given parts list further referred Single Flush Outlet Parallel Slotted available hardware electrical parts stores made mounting awall outlet box comes long mounting ears have trimmed off just outside No 6 threaded holes closest body holes usedto mountthe outletwithin case Any similar outlet another brand may used Radio Shack IC board requires number additional holes shown sketch locations shown solid dots should No 60 open circles indicate No 55 holes larger wires bezel attached panel two No6 screws integral part also attach module mounting adapter faced having adapt adapter tasks mental preparation actually takes longer doing Since mounting adapter MA 1023 available have use universal type trim fit Study sketches original modified adapter bases mods consist trinuning out center re-joining cyano acrylate adhesive drilling new hole trim off extra set unused module mounting posts small end adapter module held place four Left view clock module control switches will appear mounted front panel Right local RadIo Shack storo will furnish control relay single IC mounting PC board supports few other external componente 40 Model Aviation U push-on clips furnished adapter permanently mount module until connections have made testing described has completed can temporarily hold module place adapter small grommets short lengths fuel tubing slipped over mounting posts two panels available case listed used similar black plastic chose aluminum panel because provides better contrast photographsbut also because let tered black rub-offs sprayed clear finish such Super Poxy extremely durable attractive Obvi ously labels can put method choose easy way being plastic tape writer inter-unit connections will made after individual parts panel case IC board have components mounted partly wired make last step easier understand connection points module re 1O ferred Ml through M28 left right looking front display very small 1 found printed first connecting hole left switches seen mounting sketch num bered SWi through SW6 connec tions being further designated B Last IC board lands have assigned corresponding pin numbers relay uses same system ICs can now start actual construction Beginning case make holes rear right side shown sketches opening output socket best made l-in-dia hole saw mounted drill press such available coping saw file will suffice though taking little muscle dust Bakelite case slightly irritating breathed has yet reported weeks carcin ogen doubt would lungs much good Use face mask cutting case hole AC cord marked dimension may choose protect cord either rubber grom met strain relief such Radio Shack No 278-1636 Make whatever size hole necessary strain relief made thinner panels slight thinning case point will have done easily managed Dremel Moto Tool rotary cutter exception IC board mount components within case AC outlet should have 4-inLeft casemounted components small round object upper lefthand corner PC board isa piezoelectric buzzer optional audio alarm Right Rear case showing external components including Alarm Audio Off switch described text June 1985 41 long lead attached bottom terminal 2Yz-in top terminals No connection made third terminal attached frame AC outlet transformer mounted black primary leads left other four leads go right Install fuse holder AC cord complete wiring indicated Primary AC Wiring sketch Notice no on/off switch such unit ready start working whenever plug can now devote attention panel Make holes indicatedwith allowances number switch holes have chosen options other indicated Letter spray panel shown required Alarm Audio Off Switch mounted rear case function exactly single-pole double-throw type used single-throw simple on/off function Solder 6-in lead its center contact before installed case other wire later routed should go outer terminals matter choice though prefer forward movement finger towards center case PC board mounted case two Radio Shack 4-40 x Vz spacers Should spacer greaterthan Y4-in dia used insulating washer should installed between board prevent short between two nearby lands switches may now mounted Use washers between panel reduce amount protrude through panel switches lcok alike notice actually three different types Mount follows see sketch Push On/Push Off 5OlPBSWl SW3 Normally Open 502PBSW4 SW5 SW6 Normally Closed 503PBSW2 Notice SWi installed contacts facing towards outer edge panel provide clearance between output socket side SWi 5W3 tbrough 5W6 con nected together M8 referred inthe 1023 literature Vss Except interswitch connections attaching leads shown other switch contacts connect other leads switches time Temporarily mount adapters panel No6 screws also temporarily mount module adapters Now PC board Mount relay first Note occupies space 16pin IC has eight active pins unevenly spaced card relay comes contains sketch pin number diagram seen top relay should mounted Pin 1 land designated PC board Mount other PC board components paying close attention capacitor rectifier diode polarity Solder wires lengths indicated lands shown re maining unused holes will receive wires directly transformer output socket now final approachthe mating various sub-assemblies module off adapters its approximate final position solder wires switches module con nections module made top side wire inserted under side careful close spacing module connections can easily lead bridge Make following connections solder except first step M14 M8 SWl-B M8 solder SW3-A Mu SW4-A Ml6 SW5-A M13 SW6-A M12 SWl-AtoMl8 transformer secondary connections next follows Red Orange PC5 Red Orange PC 15 Green M4 Red/White White M7 rest AC wiring now tached consisting Transformer Black PC4 Remaining AC lead PC4 Top outlet lead PC6 Next following connections origi nating PC board should made PCi M22 PC2 M25 PC3 Alarm Audio-Off Switch Alarm Audio-Off Switch M26 PC5 Ml PC7 M23 PC9 SW2-B PCl2 M21 PC15 SW2-A now about over except shouting Test obvious mistakes such unconnected wires unused holes PC board solder bridges etc Unless youve included some options own should no connections M3 56 9 10 15 17 19 20 24 27 M28 Now components spread out short others fingers out case plug AC cord should no smoke nor action kind including lighted digits did follow instructions installed fuse before told Unplug install fuse plug again Still no smoke digits should light blinking rate about once second Unplug temporarily attach PC board module place still bezel Continued page 132 42 Model Aviation Digital Programmable Charger Timer work though LEDs dont show up photo RC system charger plugged output socket will work long tell no overcharging blinking display will tell power loss no undercharging lems Example find down-ele vator needed hold level flight doesnt mean tail heavy needing nose weight trouble wing lifting tail out plane decrease lift slightly raising wing trailing edge dont mistakenly feel have reduced over lifting capability wing because havent lift strut mount pro vided slots adjust wing problems showing another example versatility parasol configuration proper trim wing profile view will appear have negative incidence aircraft close design weight over weight might actually have add positive incidence wing achieve tail trim case would SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping reducing overall lifting capability model Also sure balance model along roll axis nails pushed soft wing tips will usually correct im balance Set control throws amounts shown plans will produce quick responses such needed creative maneuvers Use elevator back pressure turns glides forward elevator pressure inverted flight right rudder takeoffs climbs Use lots rudder slips hold track varying degrees opposite aileron nice knife-edge flight use almost full top rudder Normal outside snap rools easy recovery positive also normal inverted spins Flat turns GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $26900 shipping Wheels sold separately ORDER DIRECT ONLY Knights Air 1400 Rte 32 West Friendship MD 21794 301 489-5050 rudder stable look good like em keep some power may sound like model set up just flying aerobatics fly half-power outstanding trainer stable just responsive enough keep out trouble Work hard low engine idle differential between top rpm idle relatively small four-strokers Low idle required realistic glides safe taxiing maneuvers such takeoff-loop-land back-side airspeed must kept low Use other wings added pleasure versatile parasol heavier-loaded low aspect ratio wing about 24 oz per sq ft would good flying high winds try STOL type Clark-Y airfoil section flaps and/or slots its ball Use accessory hatches sorts thingslike bomb dropping banner tow ing tissue dropping parachute dropping photography whatever can think Field assembly disassembly Rooster easy live loosening six nylon bolts about three turns unplug ging aileron servo snapping wing struts out mounts folding lift struts back against fuselage ready load up takes less two minutes no screws lose thread cold numb fingers system works very well metalwork difficult may appear Just sure tabs match screw heads know will like versatile func tional durable vintage-type airplane Charge Timer/Marez Continued page 42 TestingThis actually dual step will learning program charge timer what button does test work AC plug back wall display blinking press Fast Set button blinking should stop Now press boththeFast Slow set buttons simultaneously release display should indicate either 1200 0000 former clock set 12-hour time 24-hour time latter Pressing 24/12 button should change display indications other Leave 1200 pressing Fast button will advance time rate hour minutes second Slow button advances time two minutes per second Press Fast button until display past 1200 pm indicator small dot upper left corner display should now appear Pressing 24/12 button once will cause dot disappear display change equivalent time 24-hour clock example indicated time 235 pm will become 1435 Pressing Alarm Display button will cause change display some arbitrary time desired alarm time can set Fast Slow set buttons 132 Model Aviation IiLL LLLL U L 13311 beach Ave e Marina Del Rey UA 2 121-6242 KNIGHTS AIR J P-51 J 0 0 %6 / 0 9 ~TIMONIU&q __A\~YORKROAD FAIRGROU TIMONIUM RD TO FR OrN BALTIMOREWE S TAKE TIMONIUM RD EAST EXIT 16 --OFF OF INTERSTATE 83 D STATE FAIRGROUNDS 0 L0 fIJLiNVX 4tr MO 4$ c #0 3 TIMONIUM FAIR GROUNDS TIMONIUM MARYLAND FOR INFO CONTACT MARC DIRECTOR Dan Yarchin 6331 Red Cedar Place Baltimore Maryland 21209 301 358-8819 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE same manner present time Depressing three buttons simul taneously will return alarm time 1200 0000 manner similar already explained Charge Reset button has no visible affect time will explained cover operation unit last button OffAlarm obvious cuts off terrible racket thing will make 500 am 0500 telling time get up also tells alarm function armed does lighting small red dot lower right corner display alarm must armed charger shutoff atthe desiredtime Alarm Audio switch rear unit works together feature provide beep want itor merely silently terminate charging alone desired test alarm set alarm time ahead currently-indicated time advance latter Fast button times coincide audio alarm will heard can stopped Off Alarm button test charge out put lamp less 100 watts can plugged outlet Cycle timer before lamp will during normal time will go off current time advanced coincide alarm-set time much less confusing charge timer hands can see action switch Once around become expert Operation point should pretty obvious couple exceptions will now cover 24/12 feature save some mental gym nastics times using unit control charge time depending timepiece aural alarm Simply set 24 hours zero both indicated alarm times set desired time period latter alarm must proper time has elapsed charging will automatically cease Obviously same thing will happen actual correct time entered either 24- 12-hour settings exception have add desired charge time present time enter alarm time Reset Charge button must used start charge cycle after charge timer has through On/Off cycle once either alarm actually time terminate charge resetting action takes place automatically unit first plugged have cycled once testing punch button mo mentarily after setting times Actual charging action can checked LED indicator present RC system chargers everything works normally can now complete final assembly involves installation bezel filter adap Continued page 136 Fly same prop over over again Continuous filament fiberglass blades molded epoxy resin Hi-performance test proven propellor blade shape 2-piece 7075 aluminum T6 hardness hub anodized black Removeable steel pins quick blade changes Tested high RPM blades will change pitch PROP HUB ASSEMBLY # 103 1 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUD # 109 Available Tx 25 7x 3 7x 35 8x 4 $400 per blade $800 per pair additional nose walht steel hub available PlOP HUB ASSEMBLY # IOU grams $1500 Pulp HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR NOB # 110 Available 6x 3 $400 per blade $800 per pair Additional sizes larger diameters available soon Send SSAE catalno sheet complete line June1985 133 & & ff& rz JIM ROBERTS Rt2 Box 2547 La Grande OR 97850 503-963-0596 VERY FINEST QUALItY MATERIALS SUPERIOR MACHINE FINISHED PARTS SUPER CLEAN FLYING AIRPLANES FAST BUILDING ENJOYABLE ASSEMBLY BICAT SPAN 47 ENGINE 40- 50 BI PLANE IS HIGHLY STABLE AND EASY TO SHOW STOPPER VISA Welcome THIS bEAUTIFUL MANEUVERABLE FLY REAL Also Available TOPCAT Span 577 FIREGAT Span 577 LASERCATSpan 540 Dealer Inquiries Invited $5950 6550 7450 Consumers Guide MA iso ott st Harrlsonburg VA 22801 Addens r Charge Timer/Marez Continued page 133 ters course module After removing protective covering bezel filter notice aphjny dull side should inst1hidwith dull surface outward As ybii liritali panel case check anr obstruc tions though used taiiponents dimensions given no problffls should arise Install panel screws sit back admire looks great doesnt importantly will comfort know using Digital Pro grammable Charge Timer instruc tions furnished maker RC system will assure safe complete charg ing important Ni-Cd bat terieswithout fear overcharging Parts update latest Digi-Key catalog lists relay Part No Z3 10-ND priced $335 identical size pin connections Radio Shack unit previ ously mentioned can save yourself extra trip including initial order parts RC SoaringjIruss Continued page 45 launch F3B tasks further con cern wing loads during turns Speed task safety factor wing design becomes paramount can also prob lem Explaining reducing com plex system its simplest form Believe engineering masterfully done puts bird truly class itself Details will come later column after Australian World Championships April meantime visualize aluminum Ibeam spar ball bearing fit snuggly side I-beam web ball bearings act guides provide almost friction-free movement outer wing panels telescope panels move through belt-drive system via elec tric motors Some its interesting specifications wing area varies about 790 1100 square inches aspect ratio 10 149 varies wing loading about 11 ounces per square foot about 16 ounces details become available meantime dont look dealers window Wingevatorons Mark TriebesSa ratoga CA comes control system ahd idea wouldnt too difficult enijiloy latest worldbeater Modificatidhs model would slight acding Mark might worth drort Marks idea flight control uses two servosand both control movements wings thats no rudder control nor elevator control As can seen drawing roll servo provides movement wings control lateral movement Turns prob ably kind sloshy might diulicult td keep ball center A-stage cadet might make point does work pitch servo moves both wing same direction giving same affdct elevators hardware off-the-shelf heart system besides servos Du Bro iniier could elimi nat&1 transmitter has built-in mixer Mark used system new design called Mistral Flying results have gratiIring also points out building snap because eliminated pushrods linkages hinges rudder elevator Speed brakes Back April 1982 column Swiss Spartakus version split-rudder speed brake used servo conventional rudder control another servo split rudder through series cords pulleys actuating arms springs system workedE throw limited mechanics system werent anyone hadnt progressed beyond Sticks Glue 101 month photo shows simple system could think possible Instead two separate servos mentioned above Wunscheim West Germany shows version too uses two servos left half rudder right half2 Through 136 Model Aviation p 8750 S ATTENTION 1/4 SCALERS EPOXY GLASS COWLS FOR NOSEN PICA 510 MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAPT SHEBEB PIllS & C SCALE SUPER CUB FOKKER 0- BOEING P12 P26 F4B2 F4B4 SPARROW HAWK GEE BEE MOO V MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II SCALE JI-Bi BABY PLYBABY & OTHERS WHEEL PANTS FOR CITABBIA STARGUSTER II PITYS SEYBOLT LIBERTY SPORT CHRISTEN EAGLE P6E HAWK MULLIGAN & OTHERS LARGE SCALE PLANS AVAILABLE Please send $100 complete list supply Modelers fiberglass parts plans Write Call Us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CITY MI 4B135 PHONE 1313421-6358 BRAZED N HEAT-TREATED WIRE GEARS N CABANES PHONE 13131261-9064 Second Edition Most Complete Guide Market 167 Manufacturers Importers etc 250 Pages postage $165 Total Cost $860 Send $880 lIncludEs shipping UPS APO sod foreIgn surface maill $124s foreign air Wall to
Edition: Model Aviation - 1985/06
Page Numbers: 38, 39, 40, 41, 42, 132, 133, 136
- - - ouve ever lost plane due battery either under charged cooked death too much charging article wont want miss HEloy Marez AS OUR RC EQUIPMENT has become increasingly sophisticated have power requirements seeing increasing variety types nickle cadmium batteries available furnished use Along different bat teries use experiencing increas ingly varying charge requirements rates times basics dont change cant af ford undercharge risk running out fast asleep away charge timer described herein will make life considerably easier respects simply set up desired period per RC system makers instructions can go away charging will cease proper timeright minute accurate attractive timepiece pennies can build-in optional aural alarm guarantee being flying field time first round power monitor included event power loss during charge period display will blinking battery power flight Neither can afford overcharge small amount such will assure youve reached 100% charge consistent overcharging will eventually result cell gassing loss capacity shortening battery life worst cases loss airplane fore important follow manufac turers recommendations charging times runs us schedule has kept up already busy life have remember start charging period certain time end other Operation simple large highvisibility light-emitting diode LED dis play assures accuracy Construc tion also simple thanks modern inte grated circuitry optoelectronics tech nology As bonus charge timer will also work correctly monitoring RC charge requirements modified adapter mounts 6-32 screw integral part bezel sup ports clock module proper dis tance display panel Neat setupi 38 Model Aviation Programmable Charger Timer built standard 6V4 x 3 x 2-in electronics case secret its easy construction reliability lies pre-assembled clock module requires oniywiring Let clock control takethe guessing out charging times Left versatile National Semiconductor MAl 023 Digitai LED Ciock Moduie requires addition transformer few switches some imagination Right universal mounting adapters furnished bezel quite universal wed like requiring some additional adapting Onthe leftwe havethe original right isthe adapterafter has trimmed tosultour requirements - a S 0 base original mounting adapterIft baseof modified PC1S P9 Mu 5 IIi SW3 Switch designations viewed rear wiring Designations scribed text Thefigure isthe iengththe wire shouid properfit wflen power does come back such case pre-set information will lost charging will have restarted upon return AC power Unless can determine long power off wont know much charging time lost better no warning flying batteries assumed properly charged though werent Circuit heart charge timer 100% self-contained digital time module called MA1023 manufactured Na tional Semiconductor Co entirely selftronic piuuu,.z Options ways MA 1023 can put work described application literature supplied it recommended study literature thoroughly before June 1985 39 14i II II II jOj II Ii M18 M8 contained timekeeping counting display circuitry components pre assembled 15 x 325-in printed circuit board Total height 75 self-contained module requires addition AC power switches allow perform multitude timekeep ing functions special transformer available its supplier other required components few other items needed complete charge timer readily-available electric elec 3lf B S order parts can tailor charge timer buying parts exactly needs example may need audio alarm feature have built Simply leave off dont purchase required parts adjust panel switch spacing five switches other hand plan using alarm feature daily might interested snooz feature gives extra 9 mm wake up time press button countries 50-cycle current need add ajumper timer keep correct time also Some may care 1224hour switchable feature just leave off switch itll display time 12-hour format prefer constant 24-hour timepiece jumper will give can pick choose interesting easy First lets go shopping Youll need following items available Digi Key Corporation Highway 32 South Box 677 Thief River Falls MN 56701 Tele phone credit card orders accepted toll-free 800/346-5144 other informa tion may call 218/681-6674 1 MA1O23M Clock Module$1170 1 MA1O23T Transformer395 1 MA1O23B Buzzer310 1 400 Bezel w/red filter495 1 422 Universal Bezel Adapter69 2 5OlPB Switches @ 56112 3 SO2PB Switches @ 56168 503PB Switch 56 1 700K ND Instrument Box 0 1 2046K-ND Aluminum Panel 7 1 F004-ND Panel Fuseholder 5 1 F115-ND i-Amp Fuses S @ .. 124 1 1N4001 Rectifier Diode 10 @80 1 SW1O4-ND SPDT Switch34 488C Line Cord35 l0OhnWattResistor5@25 1 82K Resistor 5 @25 1 P6620 l00/16V Capacitor27 above items fully described Digi-Key catalog available asking above address addition will need following locally-pro cured items 1 Radio Shack Relay No 275-215 1 Radio Shack Single IC Board No 276-024 1 Radio Shack Aluminum Spacers No 643024 Leviton No 50 15-1 Receptacle see text short discussion about some parts used may helpful example transformer referred MA 1023 literature listed having red 2 red/white 1 green 1 leads However last received dif ferent-colored secondary wiring case following applies red orange 2 red/white white 1 green green 1 primary leads black both cases brand number output U receptacle given parts list further referred Single Flush Outlet Parallel Slotted available hardware electrical parts stores made mounting awall outlet box comes long mounting ears have trimmed off just outside No 6 threaded holes closest body holes usedto mountthe outletwithin case Any similar outlet another brand may used Radio Shack IC board requires number additional holes shown sketch locations shown solid dots should No 60 open circles indicate No 55 holes larger wires bezel attached panel two No6 screws integral part also attach module mounting adapter faced having adapt adapter tasks mental preparation actually takes longer doing Since mounting adapter MA 1023 available have use universal type trim fit Study sketches original modified adapter bases mods consist trinuning out center re-joining cyano acrylate adhesive drilling new hole trim off extra set unused module mounting posts small end adapter module held place four Left view clock module control switches will appear mounted front panel Right local RadIo Shack storo will furnish control relay single IC mounting PC board supports few other external componente 40 Model Aviation U push-on clips furnished adapter permanently mount module until connections have made testing described has completed can temporarily hold module place adapter small grommets short lengths fuel tubing slipped over mounting posts two panels available case listed used similar black plastic chose aluminum panel because provides better contrast photographsbut also because let tered black rub-offs sprayed clear finish such Super Poxy extremely durable attractive Obvi ously labels can put method choose easy way being plastic tape writer inter-unit connections will made after individual parts panel case IC board have components mounted partly wired make last step easier understand connection points module re 1O ferred Ml through M28 left right looking front display very small 1 found printed first connecting hole left switches seen mounting sketch num bered SWi through SW6 connec tions being further designated B Last IC board lands have assigned corresponding pin numbers relay uses same system ICs can now start actual construction Beginning case make holes rear right side shown sketches opening output socket best made l-in-dia hole saw mounted drill press such available coping saw file will suffice though taking little muscle dust Bakelite case slightly irritating breathed has yet reported weeks carcin ogen doubt would lungs much good Use face mask cutting case hole AC cord marked dimension may choose protect cord either rubber grom met strain relief such Radio Shack No 278-1636 Make whatever size hole necessary strain relief made thinner panels slight thinning case point will have done easily managed Dremel Moto Tool rotary cutter exception IC board mount components within case AC outlet should have 4-inLeft casemounted components small round object upper lefthand corner PC board isa piezoelectric buzzer optional audio alarm Right Rear case showing external components including Alarm Audio Off switch described text June 1985 41 long lead attached bottom terminal 2Yz-in top terminals No connection made third terminal attached frame AC outlet transformer mounted black primary leads left other four leads go right Install fuse holder AC cord complete wiring indicated Primary AC Wiring sketch Notice no on/off switch such unit ready start working whenever plug can now devote attention panel Make holes indicatedwith allowances number switch holes have chosen options other indicated Letter spray panel shown required Alarm Audio Off Switch mounted rear case function exactly single-pole double-throw type used single-throw simple on/off function Solder 6-in lead its center contact before installed case other wire later routed should go outer terminals matter choice though prefer forward movement finger towards center case PC board mounted case two Radio Shack 4-40 x Vz spacers Should spacer greaterthan Y4-in dia used insulating washer should installed between board prevent short between two nearby lands switches may now mounted Use washers between panel reduce amount protrude through panel switches lcok alike notice actually three different types Mount follows see sketch Push On/Push Off 5OlPBSWl SW3 Normally Open 502PBSW4 SW5 SW6 Normally Closed 503PBSW2 Notice SWi installed contacts facing towards outer edge panel provide clearance between output socket side SWi 5W3 tbrough 5W6 con nected together M8 referred inthe 1023 literature Vss Except interswitch connections attaching leads shown other switch contacts connect other leads switches time Temporarily mount adapters panel No6 screws also temporarily mount module adapters Now PC board Mount relay first Note occupies space 16pin IC has eight active pins unevenly spaced card relay comes contains sketch pin number diagram seen top relay should mounted Pin 1 land designated PC board Mount other PC board components paying close attention capacitor rectifier diode polarity Solder wires lengths indicated lands shown re maining unused holes will receive wires directly transformer output socket now final approachthe mating various sub-assemblies module off adapters its approximate final position solder wires switches module con nections module made top side wire inserted under side careful close spacing module connections can easily lead bridge Make following connections solder except first step M14 M8 SWl-B M8 solder SW3-A Mu SW4-A Ml6 SW5-A M13 SW6-A M12 SWl-AtoMl8 transformer secondary connections next follows Red Orange PC5 Red Orange PC 15 Green M4 Red/White White M7 rest AC wiring now tached consisting Transformer Black PC4 Remaining AC lead PC4 Top outlet lead PC6 Next following connections origi nating PC board should made PCi M22 PC2 M25 PC3 Alarm Audio-Off Switch Alarm Audio-Off Switch M26 PC5 Ml PC7 M23 PC9 SW2-B PCl2 M21 PC15 SW2-A now about over except shouting Test obvious mistakes such unconnected wires unused holes PC board solder bridges etc Unless youve included some options own should no connections M3 56 9 10 15 17 19 20 24 27 M28 Now components spread out short others fingers out case plug AC cord should no smoke nor action kind including lighted digits did follow instructions installed fuse before told Unplug install fuse plug again Still no smoke digits should light blinking rate about once second Unplug temporarily attach PC board module place still bezel Continued page 132 42 Model Aviation Digital Programmable Charger Timer work though LEDs dont show up photo RC system charger plugged output socket will work long tell no overcharging blinking display will tell power loss no undercharging lems Example find down-ele vator needed hold level flight doesnt mean tail heavy needing nose weight trouble wing lifting tail out plane decrease lift slightly raising wing trailing edge dont mistakenly feel have reduced over lifting capability wing because havent lift strut mount pro vided slots adjust wing problems showing another example versatility parasol configuration proper trim wing profile view will appear have negative incidence aircraft close design weight over weight might actually have add positive incidence wing achieve tail trim case would SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping reducing overall lifting capability model Also sure balance model along roll axis nails pushed soft wing tips will usually correct im balance Set control throws amounts shown plans will produce quick responses such needed creative maneuvers Use elevator back pressure turns glides forward elevator pressure inverted flight right rudder takeoffs climbs Use lots rudder slips hold track varying degrees opposite aileron nice knife-edge flight use almost full top rudder Normal outside snap rools easy recovery positive also normal inverted spins Flat turns GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $26900 shipping Wheels sold separately ORDER DIRECT ONLY Knights Air 1400 Rte 32 West Friendship MD 21794 301 489-5050 rudder stable look good like em keep some power may sound like model set up just flying aerobatics fly half-power outstanding trainer stable just responsive enough keep out trouble Work hard low engine idle differential between top rpm idle relatively small four-strokers Low idle required realistic glides safe taxiing maneuvers such takeoff-loop-land back-side airspeed must kept low Use other wings added pleasure versatile parasol heavier-loaded low aspect ratio wing about 24 oz per sq ft would good flying high winds try STOL type Clark-Y airfoil section flaps and/or slots its ball Use accessory hatches sorts thingslike bomb dropping banner tow ing tissue dropping parachute dropping photography whatever can think Field assembly disassembly Rooster easy live loosening six nylon bolts about three turns unplug ging aileron servo snapping wing struts out mounts folding lift struts back against fuselage ready load up takes less two minutes no screws lose thread cold numb fingers system works very well metalwork difficult may appear Just sure tabs match screw heads know will like versatile func tional durable vintage-type airplane Charge Timer/Marez Continued page 42 TestingThis actually dual step will learning program charge timer what button does test work AC plug back wall display blinking press Fast Set button blinking should stop Now press boththeFast Slow set buttons simultaneously release display should indicate either 1200 0000 former clock set 12-hour time 24-hour time latter Pressing 24/12 button should change display indications other Leave 1200 pressing Fast button will advance time rate hour minutes second Slow button advances time two minutes per second Press Fast button until display past 1200 pm indicator small dot upper left corner display should now appear Pressing 24/12 button once will cause dot disappear display change equivalent time 24-hour clock example indicated time 235 pm will become 1435 Pressing Alarm Display button will cause change display some arbitrary time desired alarm time can set Fast Slow set buttons 132 Model Aviation IiLL LLLL U L 13311 beach Ave e Marina Del Rey UA 2 121-6242 KNIGHTS AIR J P-51 J 0 0 %6 / 0 9 ~TIMONIU&q __A\~YORKROAD FAIRGROU TIMONIUM RD TO FR OrN BALTIMOREWE S TAKE TIMONIUM RD EAST EXIT 16 --OFF OF INTERSTATE 83 D STATE FAIRGROUNDS 0 L0 fIJLiNVX 4tr MO 4$ c #0 3 TIMONIUM FAIR GROUNDS TIMONIUM MARYLAND FOR INFO CONTACT MARC DIRECTOR Dan Yarchin 6331 Red Cedar Place Baltimore Maryland 21209 301 358-8819 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE same manner present time Depressing three buttons simul taneously will return alarm time 1200 0000 manner similar already explained Charge Reset button has no visible affect time will explained cover operation unit last button OffAlarm obvious cuts off terrible racket thing will make 500 am 0500 telling time get up also tells alarm function armed does lighting small red dot lower right corner display alarm must armed charger shutoff atthe desiredtime Alarm Audio switch rear unit works together feature provide beep want itor merely silently terminate charging alone desired test alarm set alarm time ahead currently-indicated time advance latter Fast button times coincide audio alarm will heard can stopped Off Alarm button test charge out put lamp less 100 watts can plugged outlet Cycle timer before lamp will during normal time will go off current time advanced coincide alarm-set time much less confusing charge timer hands can see action switch Once around become expert Operation point should pretty obvious couple exceptions will now cover 24/12 feature save some mental gym nastics times using unit control charge time depending timepiece aural alarm Simply set 24 hours zero both indicated alarm times set desired time period latter alarm must proper time has elapsed charging will automatically cease Obviously same thing will happen actual correct time entered either 24- 12-hour settings exception have add desired charge time present time enter alarm time Reset Charge button must used start charge cycle after charge timer has through On/Off cycle once either alarm actually time terminate charge resetting action takes place automatically unit first plugged have cycled once testing punch button mo mentarily after setting times Actual charging action can checked LED indicator present RC system chargers everything works normally can now complete final assembly involves installation bezel filter adap Continued page 136 Fly same prop over over again Continuous filament fiberglass blades molded epoxy resin Hi-performance test proven propellor blade shape 2-piece 7075 aluminum T6 hardness hub anodized black Removeable steel pins quick blade changes Tested high RPM blades will change pitch PROP HUB ASSEMBLY # 103 1 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUD # 109 Available Tx 25 7x 3 7x 35 8x 4 $400 per blade $800 per pair additional nose walht steel hub available PlOP HUB ASSEMBLY # IOU grams $1500 Pulp HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR NOB # 110 Available 6x 3 $400 per blade $800 per pair Additional sizes larger diameters available soon Send SSAE catalno sheet complete line June1985 133 & & ff& rz JIM ROBERTS Rt2 Box 2547 La Grande OR 97850 503-963-0596 VERY FINEST QUALItY MATERIALS SUPERIOR MACHINE FINISHED PARTS SUPER CLEAN FLYING AIRPLANES FAST BUILDING ENJOYABLE ASSEMBLY BICAT SPAN 47 ENGINE 40- 50 BI PLANE IS HIGHLY STABLE AND EASY TO SHOW STOPPER VISA Welcome THIS bEAUTIFUL MANEUVERABLE FLY REAL Also Available TOPCAT Span 577 FIREGAT Span 577 LASERCATSpan 540 Dealer Inquiries Invited $5950 6550 7450 Consumers Guide MA iso ott st Harrlsonburg VA 22801 Addens r Charge Timer/Marez Continued page 133 ters course module After removing protective covering bezel filter notice aphjny dull side should inst1hidwith dull surface outward As ybii liritali panel case check anr obstruc tions though used taiiponents dimensions given no problffls should arise Install panel screws sit back admire looks great doesnt importantly will comfort know using Digital Pro grammable Charge Timer instruc tions furnished maker RC system will assure safe complete charg ing important Ni-Cd bat terieswithout fear overcharging Parts update latest Digi-Key catalog lists relay Part No Z3 10-ND priced $335 identical size pin connections Radio Shack unit previ ously mentioned can save yourself extra trip including initial order parts RC SoaringjIruss Continued page 45 launch F3B tasks further con cern wing loads during turns Speed task safety factor wing design becomes paramount can also prob lem Explaining reducing com plex system its simplest form Believe engineering masterfully done puts bird truly class itself Details will come later column after Australian World Championships April meantime visualize aluminum Ibeam spar ball bearing fit snuggly side I-beam web ball bearings act guides provide almost friction-free movement outer wing panels telescope panels move through belt-drive system via elec tric motors Some its interesting specifications wing area varies about 790 1100 square inches aspect ratio 10 149 varies wing loading about 11 ounces per square foot about 16 ounces details become available meantime dont look dealers window Wingevatorons Mark TriebesSa ratoga CA comes control system ahd idea wouldnt too difficult enijiloy latest worldbeater Modificatidhs model would slight acding Mark might worth drort Marks idea flight control uses two servosand both control movements wings thats no rudder control nor elevator control As can seen drawing roll servo provides movement wings control lateral movement Turns prob ably kind sloshy might diulicult td keep ball center A-stage cadet might make point does work pitch servo moves both wing same direction giving same affdct elevators hardware off-the-shelf heart system besides servos Du Bro iniier could elimi nat&1 transmitter has built-in mixer Mark used system new design called Mistral Flying results have gratiIring also points out building snap because eliminated pushrods linkages hinges rudder elevator Speed brakes Back April 1982 column Swiss Spartakus version split-rudder speed brake used servo conventional rudder control another servo split rudder through series cords pulleys actuating arms springs system workedE throw limited mechanics system werent anyone hadnt progressed beyond Sticks Glue 101 month photo shows simple system could think possible Instead two separate servos mentioned above Wunscheim West Germany shows version too uses two servos left half rudder right half2 Through 136 Model Aviation p 8750 S ATTENTION 1/4 SCALERS EPOXY GLASS COWLS FOR NOSEN PICA 510 MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAPT SHEBEB PIllS & C SCALE SUPER CUB FOKKER 0- BOEING P12 P26 F4B2 F4B4 SPARROW HAWK GEE BEE MOO V MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II SCALE JI-Bi BABY PLYBABY & OTHERS WHEEL PANTS FOR CITABBIA STARGUSTER II PITYS SEYBOLT LIBERTY SPORT CHRISTEN EAGLE P6E HAWK MULLIGAN & OTHERS LARGE SCALE PLANS AVAILABLE Please send $100 complete list supply Modelers fiberglass parts plans Write Call Us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CITY MI 4B135 PHONE 1313421-6358 BRAZED N HEAT-TREATED WIRE GEARS N CABANES PHONE 13131261-9064 Second Edition Most Complete Guide Market 167 Manufacturers Importers etc 250 Pages postage $165 Total Cost $860 Send $880 lIncludEs shipping UPS APO sod foreIgn surface maill $124s foreign air Wall to
Edition: Model Aviation - 1985/06
Page Numbers: 38, 39, 40, 41, 42, 132, 133, 136
- - - ouve ever lost plane due battery either under charged cooked death too much charging article wont want miss HEloy Marez AS OUR RC EQUIPMENT has become increasingly sophisticated have power requirements seeing increasing variety types nickle cadmium batteries available furnished use Along different bat teries use experiencing increas ingly varying charge requirements rates times basics dont change cant af ford undercharge risk running out fast asleep away charge timer described herein will make life considerably easier respects simply set up desired period per RC system makers instructions can go away charging will cease proper timeright minute accurate attractive timepiece pennies can build-in optional aural alarm guarantee being flying field time first round power monitor included event power loss during charge period display will blinking battery power flight Neither can afford overcharge small amount such will assure youve reached 100% charge consistent overcharging will eventually result cell gassing loss capacity shortening battery life worst cases loss airplane fore important follow manufac turers recommendations charging times runs us schedule has kept up already busy life have remember start charging period certain time end other Operation simple large highvisibility light-emitting diode LED dis play assures accuracy Construc tion also simple thanks modern inte grated circuitry optoelectronics tech nology As bonus charge timer will also work correctly monitoring RC charge requirements modified adapter mounts 6-32 screw integral part bezel sup ports clock module proper dis tance display panel Neat setupi 38 Model Aviation Programmable Charger Timer built standard 6V4 x 3 x 2-in electronics case secret its easy construction reliability lies pre-assembled clock module requires oniywiring Let clock control takethe guessing out charging times Left versatile National Semiconductor MAl 023 Digitai LED Ciock Moduie requires addition transformer few switches some imagination Right universal mounting adapters furnished bezel quite universal wed like requiring some additional adapting Onthe leftwe havethe original right isthe adapterafter has trimmed tosultour requirements - a S 0 base original mounting adapterIft baseof modified PC1S P9 Mu 5 IIi SW3 Switch designations viewed rear wiring Designations scribed text Thefigure isthe iengththe wire shouid properfit wflen power does come back such case pre-set information will lost charging will have restarted upon return AC power Unless can determine long power off wont know much charging time lost better no warning flying batteries assumed properly charged though werent Circuit heart charge timer 100% self-contained digital time module called MA1023 manufactured Na tional Semiconductor Co entirely selftronic piuuu,.z Options ways MA 1023 can put work described application literature supplied it recommended study literature thoroughly before June 1985 39 14i II II II jOj II Ii M18 M8 contained timekeeping counting display circuitry components pre assembled 15 x 325-in printed circuit board Total height 75 self-contained module requires addition AC power switches allow perform multitude timekeep ing functions special transformer available its supplier other required components few other items needed complete charge timer readily-available electric elec 3lf B S order parts can tailor charge timer buying parts exactly needs example may need audio alarm feature have built Simply leave off dont purchase required parts adjust panel switch spacing five switches other hand plan using alarm feature daily might interested snooz feature gives extra 9 mm wake up time press button countries 50-cycle current need add ajumper timer keep correct time also Some may care 1224hour switchable feature just leave off switch itll display time 12-hour format prefer constant 24-hour timepiece jumper will give can pick choose interesting easy First lets go shopping Youll need following items available Digi Key Corporation Highway 32 South Box 677 Thief River Falls MN 56701 Tele phone credit card orders accepted toll-free 800/346-5144 other informa tion may call 218/681-6674 1 MA1O23M Clock Module$1170 1 MA1O23T Transformer395 1 MA1O23B Buzzer310 1 400 Bezel w/red filter495 1 422 Universal Bezel Adapter69 2 5OlPB Switches @ 56112 3 SO2PB Switches @ 56168 503PB Switch 56 1 700K ND Instrument Box 0 1 2046K-ND Aluminum Panel 7 1 F004-ND Panel Fuseholder 5 1 F115-ND i-Amp Fuses S @ .. 124 1 1N4001 Rectifier Diode 10 @80 1 SW1O4-ND SPDT Switch34 488C Line Cord35 l0OhnWattResistor5@25 1 82K Resistor 5 @25 1 P6620 l00/16V Capacitor27 above items fully described Digi-Key catalog available asking above address addition will need following locally-pro cured items 1 Radio Shack Relay No 275-215 1 Radio Shack Single IC Board No 276-024 1 Radio Shack Aluminum Spacers No 643024 Leviton No 50 15-1 Receptacle see text short discussion about some parts used may helpful example transformer referred MA 1023 literature listed having red 2 red/white 1 green 1 leads However last received dif ferent-colored secondary wiring case following applies red orange 2 red/white white 1 green green 1 primary leads black both cases brand number output U receptacle given parts list further referred Single Flush Outlet Parallel Slotted available hardware electrical parts stores made mounting awall outlet box comes long mounting ears have trimmed off just outside No 6 threaded holes closest body holes usedto mountthe outletwithin case Any similar outlet another brand may used Radio Shack IC board requires number additional holes shown sketch locations shown solid dots should No 60 open circles indicate No 55 holes larger wires bezel attached panel two No6 screws integral part also attach module mounting adapter faced having adapt adapter tasks mental preparation actually takes longer doing Since mounting adapter MA 1023 available have use universal type trim fit Study sketches original modified adapter bases mods consist trinuning out center re-joining cyano acrylate adhesive drilling new hole trim off extra set unused module mounting posts small end adapter module held place four Left view clock module control switches will appear mounted front panel Right local RadIo Shack storo will furnish control relay single IC mounting PC board supports few other external componente 40 Model Aviation U push-on clips furnished adapter permanently mount module until connections have made testing described has completed can temporarily hold module place adapter small grommets short lengths fuel tubing slipped over mounting posts two panels available case listed used similar black plastic chose aluminum panel because provides better contrast photographsbut also because let tered black rub-offs sprayed clear finish such Super Poxy extremely durable attractive Obvi ously labels can put method choose easy way being plastic tape writer inter-unit connections will made after individual parts panel case IC board have components mounted partly wired make last step easier understand connection points module re 1O ferred Ml through M28 left right looking front display very small 1 found printed first connecting hole left switches seen mounting sketch num bered SWi through SW6 connec tions being further designated B Last IC board lands have assigned corresponding pin numbers relay uses same system ICs can now start actual construction Beginning case make holes rear right side shown sketches opening output socket best made l-in-dia hole saw mounted drill press such available coping saw file will suffice though taking little muscle dust Bakelite case slightly irritating breathed has yet reported weeks carcin ogen doubt would lungs much good Use face mask cutting case hole AC cord marked dimension may choose protect cord either rubber grom met strain relief such Radio Shack No 278-1636 Make whatever size hole necessary strain relief made thinner panels slight thinning case point will have done easily managed Dremel Moto Tool rotary cutter exception IC board mount components within case AC outlet should have 4-inLeft casemounted components small round object upper lefthand corner PC board isa piezoelectric buzzer optional audio alarm Right Rear case showing external components including Alarm Audio Off switch described text June 1985 41 long lead attached bottom terminal 2Yz-in top terminals No connection made third terminal attached frame AC outlet transformer mounted black primary leads left other four leads go right Install fuse holder AC cord complete wiring indicated Primary AC Wiring sketch Notice no on/off switch such unit ready start working whenever plug can now devote attention panel Make holes indicatedwith allowances number switch holes have chosen options other indicated Letter spray panel shown required Alarm Audio Off Switch mounted rear case function exactly single-pole double-throw type used single-throw simple on/off function Solder 6-in lead its center contact before installed case other wire later routed should go outer terminals matter choice though prefer forward movement finger towards center case PC board mounted case two Radio Shack 4-40 x Vz spacers Should spacer greaterthan Y4-in dia used insulating washer should installed between board prevent short between two nearby lands switches may now mounted Use washers between panel reduce amount protrude through panel switches lcok alike notice actually three different types Mount follows see sketch Push On/Push Off 5OlPBSWl SW3 Normally Open 502PBSW4 SW5 SW6 Normally Closed 503PBSW2 Notice SWi installed contacts facing towards outer edge panel provide clearance between output socket side SWi 5W3 tbrough 5W6 con nected together M8 referred inthe 1023 literature Vss Except interswitch connections attaching leads shown other switch contacts connect other leads switches time Temporarily mount adapters panel No6 screws also temporarily mount module adapters Now PC board Mount relay first Note occupies space 16pin IC has eight active pins unevenly spaced card relay comes contains sketch pin number diagram seen top relay should mounted Pin 1 land designated PC board Mount other PC board components paying close attention capacitor rectifier diode polarity Solder wires lengths indicated lands shown re maining unused holes will receive wires directly transformer output socket now final approachthe mating various sub-assemblies module off adapters its approximate final position solder wires switches module con nections module made top side wire inserted under side careful close spacing module connections can easily lead bridge Make following connections solder except first step M14 M8 SWl-B M8 solder SW3-A Mu SW4-A Ml6 SW5-A M13 SW6-A M12 SWl-AtoMl8 transformer secondary connections next follows Red Orange PC5 Red Orange PC 15 Green M4 Red/White White M7 rest AC wiring now tached consisting Transformer Black PC4 Remaining AC lead PC4 Top outlet lead PC6 Next following connections origi nating PC board should made PCi M22 PC2 M25 PC3 Alarm Audio-Off Switch Alarm Audio-Off Switch M26 PC5 Ml PC7 M23 PC9 SW2-B PCl2 M21 PC15 SW2-A now about over except shouting Test obvious mistakes such unconnected wires unused holes PC board solder bridges etc Unless youve included some options own should no connections M3 56 9 10 15 17 19 20 24 27 M28 Now components spread out short others fingers out case plug AC cord should no smoke nor action kind including lighted digits did follow instructions installed fuse before told Unplug install fuse plug again Still no smoke digits should light blinking rate about once second Unplug temporarily attach PC board module place still bezel Continued page 132 42 Model Aviation Digital Programmable Charger Timer work though LEDs dont show up photo RC system charger plugged output socket will work long tell no overcharging blinking display will tell power loss no undercharging lems Example find down-ele vator needed hold level flight doesnt mean tail heavy needing nose weight trouble wing lifting tail out plane decrease lift slightly raising wing trailing edge dont mistakenly feel have reduced over lifting capability wing because havent lift strut mount pro vided slots adjust wing problems showing another example versatility parasol configuration proper trim wing profile view will appear have negative incidence aircraft close design weight over weight might actually have add positive incidence wing achieve tail trim case would SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping reducing overall lifting capability model Also sure balance model along roll axis nails pushed soft wing tips will usually correct im balance Set control throws amounts shown plans will produce quick responses such needed creative maneuvers Use elevator back pressure turns glides forward elevator pressure inverted flight right rudder takeoffs climbs Use lots rudder slips hold track varying degrees opposite aileron nice knife-edge flight use almost full top rudder Normal outside snap rools easy recovery positive also normal inverted spins Flat turns GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $26900 shipping Wheels sold separately ORDER DIRECT ONLY Knights Air 1400 Rte 32 West Friendship MD 21794 301 489-5050 rudder stable look good like em keep some power may sound like model set up just flying aerobatics fly half-power outstanding trainer stable just responsive enough keep out trouble Work hard low engine idle differential between top rpm idle relatively small four-strokers Low idle required realistic glides safe taxiing maneuvers such takeoff-loop-land back-side airspeed must kept low Use other wings added pleasure versatile parasol heavier-loaded low aspect ratio wing about 24 oz per sq ft would good flying high winds try STOL type Clark-Y airfoil section flaps and/or slots its ball Use accessory hatches sorts thingslike bomb dropping banner tow ing tissue dropping parachute dropping photography whatever can think Field assembly disassembly Rooster easy live loosening six nylon bolts about three turns unplug ging aileron servo snapping wing struts out mounts folding lift struts back against fuselage ready load up takes less two minutes no screws lose thread cold numb fingers system works very well metalwork difficult may appear Just sure tabs match screw heads know will like versatile func tional durable vintage-type airplane Charge Timer/Marez Continued page 42 TestingThis actually dual step will learning program charge timer what button does test work AC plug back wall display blinking press Fast Set button blinking should stop Now press boththeFast Slow set buttons simultaneously release display should indicate either 1200 0000 former clock set 12-hour time 24-hour time latter Pressing 24/12 button should change display indications other Leave 1200 pressing Fast button will advance time rate hour minutes second Slow button advances time two minutes per second Press Fast button until display past 1200 pm indicator small dot upper left corner display should now appear Pressing 24/12 button once will cause dot disappear display change equivalent time 24-hour clock example indicated time 235 pm will become 1435 Pressing Alarm Display button will cause change display some arbitrary time desired alarm time can set Fast Slow set buttons 132 Model Aviation IiLL LLLL U L 13311 beach Ave e Marina Del Rey UA 2 121-6242 KNIGHTS AIR J P-51 J 0 0 %6 / 0 9 ~TIMONIU&q __A\~YORKROAD FAIRGROU TIMONIUM RD TO FR OrN BALTIMOREWE S TAKE TIMONIUM RD EAST EXIT 16 --OFF OF INTERSTATE 83 D STATE FAIRGROUNDS 0 L0 fIJLiNVX 4tr MO 4$ c #0 3 TIMONIUM FAIR GROUNDS TIMONIUM MARYLAND FOR INFO CONTACT MARC DIRECTOR Dan Yarchin 6331 Red Cedar Place Baltimore Maryland 21209 301 358-8819 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE same manner present time Depressing three buttons simul taneously will return alarm time 1200 0000 manner similar already explained Charge Reset button has no visible affect time will explained cover operation unit last button OffAlarm obvious cuts off terrible racket thing will make 500 am 0500 telling time get up also tells alarm function armed does lighting small red dot lower right corner display alarm must armed charger shutoff atthe desiredtime Alarm Audio switch rear unit works together feature provide beep want itor merely silently terminate charging alone desired test alarm set alarm time ahead currently-indicated time advance latter Fast button times coincide audio alarm will heard can stopped Off Alarm button test charge out put lamp less 100 watts can plugged outlet Cycle timer before lamp will during normal time will go off current time advanced coincide alarm-set time much less confusing charge timer hands can see action switch Once around become expert Operation point should pretty obvious couple exceptions will now cover 24/12 feature save some mental gym nastics times using unit control charge time depending timepiece aural alarm Simply set 24 hours zero both indicated alarm times set desired time period latter alarm must proper time has elapsed charging will automatically cease Obviously same thing will happen actual correct time entered either 24- 12-hour settings exception have add desired charge time present time enter alarm time Reset Charge button must used start charge cycle after charge timer has through On/Off cycle once either alarm actually time terminate charge resetting action takes place automatically unit first plugged have cycled once testing punch button mo mentarily after setting times Actual charging action can checked LED indicator present RC system chargers everything works normally can now complete final assembly involves installation bezel filter adap Continued page 136 Fly same prop over over again Continuous filament fiberglass blades molded epoxy resin Hi-performance test proven propellor blade shape 2-piece 7075 aluminum T6 hardness hub anodized black Removeable steel pins quick blade changes Tested high RPM blades will change pitch PROP HUB ASSEMBLY # 103 1 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUD # 109 Available Tx 25 7x 3 7x 35 8x 4 $400 per blade $800 per pair additional nose walht steel hub available PlOP HUB ASSEMBLY # IOU grams $1500 Pulp HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR NOB # 110 Available 6x 3 $400 per blade $800 per pair Additional sizes larger diameters available soon Send SSAE catalno sheet complete line June1985 133 & & ff& rz JIM ROBERTS Rt2 Box 2547 La Grande OR 97850 503-963-0596 VERY FINEST QUALItY MATERIALS SUPERIOR MACHINE FINISHED PARTS SUPER CLEAN FLYING AIRPLANES FAST BUILDING ENJOYABLE ASSEMBLY BICAT SPAN 47 ENGINE 40- 50 BI PLANE IS HIGHLY STABLE AND EASY TO SHOW STOPPER VISA Welcome THIS bEAUTIFUL MANEUVERABLE FLY REAL Also Available TOPCAT Span 577 FIREGAT Span 577 LASERCATSpan 540 Dealer Inquiries Invited $5950 6550 7450 Consumers Guide MA iso ott st Harrlsonburg VA 22801 Addens r Charge Timer/Marez Continued page 133 ters course module After removing protective covering bezel filter notice aphjny dull side should inst1hidwith dull surface outward As ybii liritali panel case check anr obstruc tions though used taiiponents dimensions given no problffls should arise Install panel screws sit back admire looks great doesnt importantly will comfort know using Digital Pro grammable Charge Timer instruc tions furnished maker RC system will assure safe complete charg ing important Ni-Cd bat terieswithout fear overcharging Parts update latest Digi-Key catalog lists relay Part No Z3 10-ND priced $335 identical size pin connections Radio Shack unit previ ously mentioned can save yourself extra trip including initial order parts RC SoaringjIruss Continued page 45 launch F3B tasks further con cern wing loads during turns Speed task safety factor wing design becomes paramount can also prob lem Explaining reducing com plex system its simplest form Believe engineering masterfully done puts bird truly class itself Details will come later column after Australian World Championships April meantime visualize aluminum Ibeam spar ball bearing fit snuggly side I-beam web ball bearings act guides provide almost friction-free movement outer wing panels telescope panels move through belt-drive system via elec tric motors Some its interesting specifications wing area varies about 790 1100 square inches aspect ratio 10 149 varies wing loading about 11 ounces per square foot about 16 ounces details become available meantime dont look dealers window Wingevatorons Mark TriebesSa ratoga CA comes control system ahd idea wouldnt too difficult enijiloy latest worldbeater Modificatidhs model would slight acding Mark might worth drort Marks idea flight control uses two servosand both control movements wings thats no rudder control nor elevator control As can seen drawing roll servo provides movement wings control lateral movement Turns prob ably kind sloshy might diulicult td keep ball center A-stage cadet might make point does work pitch servo moves both wing same direction giving same affdct elevators hardware off-the-shelf heart system besides servos Du Bro iniier could elimi nat&1 transmitter has built-in mixer Mark used system new design called Mistral Flying results have gratiIring also points out building snap because eliminated pushrods linkages hinges rudder elevator Speed brakes Back April 1982 column Swiss Spartakus version split-rudder speed brake used servo conventional rudder control another servo split rudder through series cords pulleys actuating arms springs system workedE throw limited mechanics system werent anyone hadnt progressed beyond Sticks Glue 101 month photo shows simple system could think possible Instead two separate servos mentioned above Wunscheim West Germany shows version too uses two servos left half rudder right half2 Through 136 Model Aviation p 8750 S ATTENTION 1/4 SCALERS EPOXY GLASS COWLS FOR NOSEN PICA 510 MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAPT SHEBEB PIllS & C SCALE SUPER CUB FOKKER 0- BOEING P12 P26 F4B2 F4B4 SPARROW HAWK GEE BEE MOO V MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II SCALE JI-Bi BABY PLYBABY & OTHERS WHEEL PANTS FOR CITABBIA STARGUSTER II PITYS SEYBOLT LIBERTY SPORT CHRISTEN EAGLE P6E HAWK MULLIGAN & OTHERS LARGE SCALE PLANS AVAILABLE Please send $100 complete list supply Modelers fiberglass parts plans Write Call Us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CITY MI 4B135 PHONE 1313421-6358 BRAZED N HEAT-TREATED WIRE GEARS N CABANES PHONE 13131261-9064 Second Edition Most Complete Guide Market 167 Manufacturers Importers etc 250 Pages postage $165 Total Cost $860 Send $880 lIncludEs shipping UPS APO sod foreIgn surface maill $124s foreign air Wall to
Edition: Model Aviation - 1985/06
Page Numbers: 38, 39, 40, 41, 42, 132, 133, 136
- - - ouve ever lost plane due battery either under charged cooked death too much charging article wont want miss HEloy Marez AS OUR RC EQUIPMENT has become increasingly sophisticated have power requirements seeing increasing variety types nickle cadmium batteries available furnished use Along different bat teries use experiencing increas ingly varying charge requirements rates times basics dont change cant af ford undercharge risk running out fast asleep away charge timer described herein will make life considerably easier respects simply set up desired period per RC system makers instructions can go away charging will cease proper timeright minute accurate attractive timepiece pennies can build-in optional aural alarm guarantee being flying field time first round power monitor included event power loss during charge period display will blinking battery power flight Neither can afford overcharge small amount such will assure youve reached 100% charge consistent overcharging will eventually result cell gassing loss capacity shortening battery life worst cases loss airplane fore important follow manufac turers recommendations charging times runs us schedule has kept up already busy life have remember start charging period certain time end other Operation simple large highvisibility light-emitting diode LED dis play assures accuracy Construc tion also simple thanks modern inte grated circuitry optoelectronics tech nology As bonus charge timer will also work correctly monitoring RC charge requirements modified adapter mounts 6-32 screw integral part bezel sup ports clock module proper dis tance display panel Neat setupi 38 Model Aviation Programmable Charger Timer built standard 6V4 x 3 x 2-in electronics case secret its easy construction reliability lies pre-assembled clock module requires oniywiring Let clock control takethe guessing out charging times Left versatile National Semiconductor MAl 023 Digitai LED Ciock Moduie requires addition transformer few switches some imagination Right universal mounting adapters furnished bezel quite universal wed like requiring some additional adapting Onthe leftwe havethe original right isthe adapterafter has trimmed tosultour requirements - a S 0 base original mounting adapterIft baseof modified PC1S P9 Mu 5 IIi SW3 Switch designations viewed rear wiring Designations scribed text Thefigure isthe iengththe wire shouid properfit wflen power does come back such case pre-set information will lost charging will have restarted upon return AC power Unless can determine long power off wont know much charging time lost better no warning flying batteries assumed properly charged though werent Circuit heart charge timer 100% self-contained digital time module called MA1023 manufactured Na tional Semiconductor Co entirely selftronic piuuu,.z Options ways MA 1023 can put work described application literature supplied it recommended study literature thoroughly before June 1985 39 14i II II II jOj II Ii M18 M8 contained timekeeping counting display circuitry components pre assembled 15 x 325-in printed circuit board Total height 75 self-contained module requires addition AC power switches allow perform multitude timekeep ing functions special transformer available its supplier other required components few other items needed complete charge timer readily-available electric elec 3lf B S order parts can tailor charge timer buying parts exactly needs example may need audio alarm feature have built Simply leave off dont purchase required parts adjust panel switch spacing five switches other hand plan using alarm feature daily might interested snooz feature gives extra 9 mm wake up time press button countries 50-cycle current need add ajumper timer keep correct time also Some may care 1224hour switchable feature just leave off switch itll display time 12-hour format prefer constant 24-hour timepiece jumper will give can pick choose interesting easy First lets go shopping Youll need following items available Digi Key Corporation Highway 32 South Box 677 Thief River Falls MN 56701 Tele phone credit card orders accepted toll-free 800/346-5144 other informa tion may call 218/681-6674 1 MA1O23M Clock Module$1170 1 MA1O23T Transformer395 1 MA1O23B Buzzer310 1 400 Bezel w/red filter495 1 422 Universal Bezel Adapter69 2 5OlPB Switches @ 56112 3 SO2PB Switches @ 56168 503PB Switch 56 1 700K ND Instrument Box 0 1 2046K-ND Aluminum Panel 7 1 F004-ND Panel Fuseholder 5 1 F115-ND i-Amp Fuses S @ .. 124 1 1N4001 Rectifier Diode 10 @80 1 SW1O4-ND SPDT Switch34 488C Line Cord35 l0OhnWattResistor5@25 1 82K Resistor 5 @25 1 P6620 l00/16V Capacitor27 above items fully described Digi-Key catalog available asking above address addition will need following locally-pro cured items 1 Radio Shack Relay No 275-215 1 Radio Shack Single IC Board No 276-024 1 Radio Shack Aluminum Spacers No 643024 Leviton No 50 15-1 Receptacle see text short discussion about some parts used may helpful example transformer referred MA 1023 literature listed having red 2 red/white 1 green 1 leads However last received dif ferent-colored secondary wiring case following applies red orange 2 red/white white 1 green green 1 primary leads black both cases brand number output U receptacle given parts list further referred Single Flush Outlet Parallel Slotted available hardware electrical parts stores made mounting awall outlet box comes long mounting ears have trimmed off just outside No 6 threaded holes closest body holes usedto mountthe outletwithin case Any similar outlet another brand may used Radio Shack IC board requires number additional holes shown sketch locations shown solid dots should No 60 open circles indicate No 55 holes larger wires bezel attached panel two No6 screws integral part also attach module mounting adapter faced having adapt adapter tasks mental preparation actually takes longer doing Since mounting adapter MA 1023 available have use universal type trim fit Study sketches original modified adapter bases mods consist trinuning out center re-joining cyano acrylate adhesive drilling new hole trim off extra set unused module mounting posts small end adapter module held place four Left view clock module control switches will appear mounted front panel Right local RadIo Shack storo will furnish control relay single IC mounting PC board supports few other external componente 40 Model Aviation U push-on clips furnished adapter permanently mount module until connections have made testing described has completed can temporarily hold module place adapter small grommets short lengths fuel tubing slipped over mounting posts two panels available case listed used similar black plastic chose aluminum panel because provides better contrast photographsbut also because let tered black rub-offs sprayed clear finish such Super Poxy extremely durable attractive Obvi ously labels can put method choose easy way being plastic tape writer inter-unit connections will made after individual parts panel case IC board have components mounted partly wired make last step easier understand connection points module re 1O ferred Ml through M28 left right looking front display very small 1 found printed first connecting hole left switches seen mounting sketch num bered SWi through SW6 connec tions being further designated B Last IC board lands have assigned corresponding pin numbers relay uses same system ICs can now start actual construction Beginning case make holes rear right side shown sketches opening output socket best made l-in-dia hole saw mounted drill press such available coping saw file will suffice though taking little muscle dust Bakelite case slightly irritating breathed has yet reported weeks carcin ogen doubt would lungs much good Use face mask cutting case hole AC cord marked dimension may choose protect cord either rubber grom met strain relief such Radio Shack No 278-1636 Make whatever size hole necessary strain relief made thinner panels slight thinning case point will have done easily managed Dremel Moto Tool rotary cutter exception IC board mount components within case AC outlet should have 4-inLeft casemounted components small round object upper lefthand corner PC board isa piezoelectric buzzer optional audio alarm Right Rear case showing external components including Alarm Audio Off switch described text June 1985 41 long lead attached bottom terminal 2Yz-in top terminals No connection made third terminal attached frame AC outlet transformer mounted black primary leads left other four leads go right Install fuse holder AC cord complete wiring indicated Primary AC Wiring sketch Notice no on/off switch such unit ready start working whenever plug can now devote attention panel Make holes indicatedwith allowances number switch holes have chosen options other indicated Letter spray panel shown required Alarm Audio Off Switch mounted rear case function exactly single-pole double-throw type used single-throw simple on/off function Solder 6-in lead its center contact before installed case other wire later routed should go outer terminals matter choice though prefer forward movement finger towards center case PC board mounted case two Radio Shack 4-40 x Vz spacers Should spacer greaterthan Y4-in dia used insulating washer should installed between board prevent short between two nearby lands switches may now mounted Use washers between panel reduce amount protrude through panel switches lcok alike notice actually three different types Mount follows see sketch Push On/Push Off 5OlPBSWl SW3 Normally Open 502PBSW4 SW5 SW6 Normally Closed 503PBSW2 Notice SWi installed contacts facing towards outer edge panel provide clearance between output socket side SWi 5W3 tbrough 5W6 con nected together M8 referred inthe 1023 literature Vss Except interswitch connections attaching leads shown other switch contacts connect other leads switches time Temporarily mount adapters panel No6 screws also temporarily mount module adapters Now PC board Mount relay first Note occupies space 16pin IC has eight active pins unevenly spaced card relay comes contains sketch pin number diagram seen top relay should mounted Pin 1 land designated PC board Mount other PC board components paying close attention capacitor rectifier diode polarity Solder wires lengths indicated lands shown re maining unused holes will receive wires directly transformer output socket now final approachthe mating various sub-assemblies module off adapters its approximate final position solder wires switches module con nections module made top side wire inserted under side careful close spacing module connections can easily lead bridge Make following connections solder except first step M14 M8 SWl-B M8 solder SW3-A Mu SW4-A Ml6 SW5-A M13 SW6-A M12 SWl-AtoMl8 transformer secondary connections next follows Red Orange PC5 Red Orange PC 15 Green M4 Red/White White M7 rest AC wiring now tached consisting Transformer Black PC4 Remaining AC lead PC4 Top outlet lead PC6 Next following connections origi nating PC board should made PCi M22 PC2 M25 PC3 Alarm Audio-Off Switch Alarm Audio-Off Switch M26 PC5 Ml PC7 M23 PC9 SW2-B PCl2 M21 PC15 SW2-A now about over except shouting Test obvious mistakes such unconnected wires unused holes PC board solder bridges etc Unless youve included some options own should no connections M3 56 9 10 15 17 19 20 24 27 M28 Now components spread out short others fingers out case plug AC cord should no smoke nor action kind including lighted digits did follow instructions installed fuse before told Unplug install fuse plug again Still no smoke digits should light blinking rate about once second Unplug temporarily attach PC board module place still bezel Continued page 132 42 Model Aviation Digital Programmable Charger Timer work though LEDs dont show up photo RC system charger plugged output socket will work long tell no overcharging blinking display will tell power loss no undercharging lems Example find down-ele vator needed hold level flight doesnt mean tail heavy needing nose weight trouble wing lifting tail out plane decrease lift slightly raising wing trailing edge dont mistakenly feel have reduced over lifting capability wing because havent lift strut mount pro vided slots adjust wing problems showing another example versatility parasol configuration proper trim wing profile view will appear have negative incidence aircraft close design weight over weight might actually have add positive incidence wing achieve tail trim case would SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping reducing overall lifting capability model Also sure balance model along roll axis nails pushed soft wing tips will usually correct im balance Set control throws amounts shown plans will produce quick responses such needed creative maneuvers Use elevator back pressure turns glides forward elevator pressure inverted flight right rudder takeoffs climbs Use lots rudder slips hold track varying degrees opposite aileron nice knife-edge flight use almost full top rudder Normal outside snap rools easy recovery positive also normal inverted spins Flat turns GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $26900 shipping Wheels sold separately ORDER DIRECT ONLY Knights Air 1400 Rte 32 West Friendship MD 21794 301 489-5050 rudder stable look good like em keep some power may sound like model set up just flying aerobatics fly half-power outstanding trainer stable just responsive enough keep out trouble Work hard low engine idle differential between top rpm idle relatively small four-strokers Low idle required realistic glides safe taxiing maneuvers such takeoff-loop-land back-side airspeed must kept low Use other wings added pleasure versatile parasol heavier-loaded low aspect ratio wing about 24 oz per sq ft would good flying high winds try STOL type Clark-Y airfoil section flaps and/or slots its ball Use accessory hatches sorts thingslike bomb dropping banner tow ing tissue dropping parachute dropping photography whatever can think Field assembly disassembly Rooster easy live loosening six nylon bolts about three turns unplug ging aileron servo snapping wing struts out mounts folding lift struts back against fuselage ready load up takes less two minutes no screws lose thread cold numb fingers system works very well metalwork difficult may appear Just sure tabs match screw heads know will like versatile func tional durable vintage-type airplane Charge Timer/Marez Continued page 42 TestingThis actually dual step will learning program charge timer what button does test work AC plug back wall display blinking press Fast Set button blinking should stop Now press boththeFast Slow set buttons simultaneously release display should indicate either 1200 0000 former clock set 12-hour time 24-hour time latter Pressing 24/12 button should change display indications other Leave 1200 pressing Fast button will advance time rate hour minutes second Slow button advances time two minutes per second Press Fast button until display past 1200 pm indicator small dot upper left corner display should now appear Pressing 24/12 button once will cause dot disappear display change equivalent time 24-hour clock example indicated time 235 pm will become 1435 Pressing Alarm Display button will cause change display some arbitrary time desired alarm time can set Fast Slow set buttons 132 Model Aviation IiLL LLLL U L 13311 beach Ave e Marina Del Rey UA 2 121-6242 KNIGHTS AIR J P-51 J 0 0 %6 / 0 9 ~TIMONIU&q __A\~YORKROAD FAIRGROU TIMONIUM RD TO FR OrN BALTIMOREWE S TAKE TIMONIUM RD EAST EXIT 16 --OFF OF INTERSTATE 83 D STATE FAIRGROUNDS 0 L0 fIJLiNVX 4tr MO 4$ c #0 3 TIMONIUM FAIR GROUNDS TIMONIUM MARYLAND FOR INFO CONTACT MARC DIRECTOR Dan Yarchin 6331 Red Cedar Place Baltimore Maryland 21209 301 358-8819 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE same manner present time Depressing three buttons simul taneously will return alarm time 1200 0000 manner similar already explained Charge Reset button has no visible affect time will explained cover operation unit last button OffAlarm obvious cuts off terrible racket thing will make 500 am 0500 telling time get up also tells alarm function armed does lighting small red dot lower right corner display alarm must armed charger shutoff atthe desiredtime Alarm Audio switch rear unit works together feature provide beep want itor merely silently terminate charging alone desired test alarm set alarm time ahead currently-indicated time advance latter Fast button times coincide audio alarm will heard can stopped Off Alarm button test charge out put lamp less 100 watts can plugged outlet Cycle timer before lamp will during normal time will go off current time advanced coincide alarm-set time much less confusing charge timer hands can see action switch Once around become expert Operation point should pretty obvious couple exceptions will now cover 24/12 feature save some mental gym nastics times using unit control charge time depending timepiece aural alarm Simply set 24 hours zero both indicated alarm times set desired time period latter alarm must proper time has elapsed charging will automatically cease Obviously same thing will happen actual correct time entered either 24- 12-hour settings exception have add desired charge time present time enter alarm time Reset Charge button must used start charge cycle after charge timer has through On/Off cycle once either alarm actually time terminate charge resetting action takes place automatically unit first plugged have cycled once testing punch button mo mentarily after setting times Actual charging action can checked LED indicator present RC system chargers everything works normally can now complete final assembly involves installation bezel filter adap Continued page 136 Fly same prop over over again Continuous filament fiberglass blades molded epoxy resin Hi-performance test proven propellor blade shape 2-piece 7075 aluminum T6 hardness hub anodized black Removeable steel pins quick blade changes Tested high RPM blades will change pitch PROP HUB ASSEMBLY # 103 1 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUD # 109 Available Tx 25 7x 3 7x 35 8x 4 $400 per blade $800 per pair additional nose walht steel hub available PlOP HUB ASSEMBLY # IOU grams $1500 Pulp HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR NOB # 110 Available 6x 3 $400 per blade $800 per pair Additional sizes larger diameters available soon Send SSAE catalno sheet complete line June1985 133 & & ff& rz JIM ROBERTS Rt2 Box 2547 La Grande OR 97850 503-963-0596 VERY FINEST QUALItY MATERIALS SUPERIOR MACHINE FINISHED PARTS SUPER CLEAN FLYING AIRPLANES FAST BUILDING ENJOYABLE ASSEMBLY BICAT SPAN 47 ENGINE 40- 50 BI PLANE IS HIGHLY STABLE AND EASY TO SHOW STOPPER VISA Welcome THIS bEAUTIFUL MANEUVERABLE FLY REAL Also Available TOPCAT Span 577 FIREGAT Span 577 LASERCATSpan 540 Dealer Inquiries Invited $5950 6550 7450 Consumers Guide MA iso ott st Harrlsonburg VA 22801 Addens r Charge Timer/Marez Continued page 133 ters course module After removing protective covering bezel filter notice aphjny dull side should inst1hidwith dull surface outward As ybii liritali panel case check anr obstruc tions though used taiiponents dimensions given no problffls should arise Install panel screws sit back admire looks great doesnt importantly will comfort know using Digital Pro grammable Charge Timer instruc tions furnished maker RC system will assure safe complete charg ing important Ni-Cd bat terieswithout fear overcharging Parts update latest Digi-Key catalog lists relay Part No Z3 10-ND priced $335 identical size pin connections Radio Shack unit previ ously mentioned can save yourself extra trip including initial order parts RC SoaringjIruss Continued page 45 launch F3B tasks further con cern wing loads during turns Speed task safety factor wing design becomes paramount can also prob lem Explaining reducing com plex system its simplest form Believe engineering masterfully done puts bird truly class itself Details will come later column after Australian World Championships April meantime visualize aluminum Ibeam spar ball bearing fit snuggly side I-beam web ball bearings act guides provide almost friction-free movement outer wing panels telescope panels move through belt-drive system via elec tric motors Some its interesting specifications wing area varies about 790 1100 square inches aspect ratio 10 149 varies wing loading about 11 ounces per square foot about 16 ounces details become available meantime dont look dealers window Wingevatorons Mark TriebesSa ratoga CA comes control system ahd idea wouldnt too difficult enijiloy latest worldbeater Modificatidhs model would slight acding Mark might worth drort Marks idea flight control uses two servosand both control movements wings thats no rudder control nor elevator control As can seen drawing roll servo provides movement wings control lateral movement Turns prob ably kind sloshy might diulicult td keep ball center A-stage cadet might make point does work pitch servo moves both wing same direction giving same affdct elevators hardware off-the-shelf heart system besides servos Du Bro iniier could elimi nat&1 transmitter has built-in mixer Mark used system new design called Mistral Flying results have gratiIring also points out building snap because eliminated pushrods linkages hinges rudder elevator Speed brakes Back April 1982 column Swiss Spartakus version split-rudder speed brake used servo conventional rudder control another servo split rudder through series cords pulleys actuating arms springs system workedE throw limited mechanics system werent anyone hadnt progressed beyond Sticks Glue 101 month photo shows simple system could think possible Instead two separate servos mentioned above Wunscheim West Germany shows version too uses two servos left half rudder right half2 Through 136 Model Aviation p 8750 S ATTENTION 1/4 SCALERS EPOXY GLASS COWLS FOR NOSEN PICA 510 MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAPT SHEBEB PIllS & C SCALE SUPER CUB FOKKER 0- BOEING P12 P26 F4B2 F4B4 SPARROW HAWK GEE BEE MOO V MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II SCALE JI-Bi BABY PLYBABY & OTHERS WHEEL PANTS FOR CITABBIA STARGUSTER II PITYS SEYBOLT LIBERTY SPORT CHRISTEN EAGLE P6E HAWK MULLIGAN & OTHERS LARGE SCALE PLANS AVAILABLE Please send $100 complete list supply Modelers fiberglass parts plans Write Call Us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CITY MI 4B135 PHONE 1313421-6358 BRAZED N HEAT-TREATED WIRE GEARS N CABANES PHONE 13131261-9064 Second Edition Most Complete Guide Market 167 Manufacturers Importers etc 250 Pages postage $165 Total Cost $860 Send $880 lIncludEs shipping UPS APO sod foreIgn surface maill $124s foreign air Wall to
Edition: Model Aviation - 1985/06
Page Numbers: 38, 39, 40, 41, 42, 132, 133, 136
- - - ouve ever lost plane due battery either under charged cooked death too much charging article wont want miss HEloy Marez AS OUR RC EQUIPMENT has become increasingly sophisticated have power requirements seeing increasing variety types nickle cadmium batteries available furnished use Along different bat teries use experiencing increas ingly varying charge requirements rates times basics dont change cant af ford undercharge risk running out fast asleep away charge timer described herein will make life considerably easier respects simply set up desired period per RC system makers instructions can go away charging will cease proper timeright minute accurate attractive timepiece pennies can build-in optional aural alarm guarantee being flying field time first round power monitor included event power loss during charge period display will blinking battery power flight Neither can afford overcharge small amount such will assure youve reached 100% charge consistent overcharging will eventually result cell gassing loss capacity shortening battery life worst cases loss airplane fore important follow manufac turers recommendations charging times runs us schedule has kept up already busy life have remember start charging period certain time end other Operation simple large highvisibility light-emitting diode LED dis play assures accuracy Construc tion also simple thanks modern inte grated circuitry optoelectronics tech nology As bonus charge timer will also work correctly monitoring RC charge requirements modified adapter mounts 6-32 screw integral part bezel sup ports clock module proper dis tance display panel Neat setupi 38 Model Aviation Programmable Charger Timer built standard 6V4 x 3 x 2-in electronics case secret its easy construction reliability lies pre-assembled clock module requires oniywiring Let clock control takethe guessing out charging times Left versatile National Semiconductor MAl 023 Digitai LED Ciock Moduie requires addition transformer few switches some imagination Right universal mounting adapters furnished bezel quite universal wed like requiring some additional adapting Onthe leftwe havethe original right isthe adapterafter has trimmed tosultour requirements - a S 0 base original mounting adapterIft baseof modified PC1S P9 Mu 5 IIi SW3 Switch designations viewed rear wiring Designations scribed text Thefigure isthe iengththe wire shouid properfit wflen power does come back such case pre-set information will lost charging will have restarted upon return AC power Unless can determine long power off wont know much charging time lost better no warning flying batteries assumed properly charged though werent Circuit heart charge timer 100% self-contained digital time module called MA1023 manufactured Na tional Semiconductor Co entirely selftronic piuuu,.z Options ways MA 1023 can put work described application literature supplied it recommended study literature thoroughly before June 1985 39 14i II II II jOj II Ii M18 M8 contained timekeeping counting display circuitry components pre assembled 15 x 325-in printed circuit board Total height 75 self-contained module requires addition AC power switches allow perform multitude timekeep ing functions special transformer available its supplier other required components few other items needed complete charge timer readily-available electric elec 3lf B S order parts can tailor charge timer buying parts exactly needs example may need audio alarm feature have built Simply leave off dont purchase required parts adjust panel switch spacing five switches other hand plan using alarm feature daily might interested snooz feature gives extra 9 mm wake up time press button countries 50-cycle current need add ajumper timer keep correct time also Some may care 1224hour switchable feature just leave off switch itll display time 12-hour format prefer constant 24-hour timepiece jumper will give can pick choose interesting easy First lets go shopping Youll need following items available Digi Key Corporation Highway 32 South Box 677 Thief River Falls MN 56701 Tele phone credit card orders accepted toll-free 800/346-5144 other informa tion may call 218/681-6674 1 MA1O23M Clock Module$1170 1 MA1O23T Transformer395 1 MA1O23B Buzzer310 1 400 Bezel w/red filter495 1 422 Universal Bezel Adapter69 2 5OlPB Switches @ 56112 3 SO2PB Switches @ 56168 503PB Switch 56 1 700K ND Instrument Box 0 1 2046K-ND Aluminum Panel 7 1 F004-ND Panel Fuseholder 5 1 F115-ND i-Amp Fuses S @ .. 124 1 1N4001 Rectifier Diode 10 @80 1 SW1O4-ND SPDT Switch34 488C Line Cord35 l0OhnWattResistor5@25 1 82K Resistor 5 @25 1 P6620 l00/16V Capacitor27 above items fully described Digi-Key catalog available asking above address addition will need following locally-pro cured items 1 Radio Shack Relay No 275-215 1 Radio Shack Single IC Board No 276-024 1 Radio Shack Aluminum Spacers No 643024 Leviton No 50 15-1 Receptacle see text short discussion about some parts used may helpful example transformer referred MA 1023 literature listed having red 2 red/white 1 green 1 leads However last received dif ferent-colored secondary wiring case following applies red orange 2 red/white white 1 green green 1 primary leads black both cases brand number output U receptacle given parts list further referred Single Flush Outlet Parallel Slotted available hardware electrical parts stores made mounting awall outlet box comes long mounting ears have trimmed off just outside No 6 threaded holes closest body holes usedto mountthe outletwithin case Any similar outlet another brand may used Radio Shack IC board requires number additional holes shown sketch locations shown solid dots should No 60 open circles indicate No 55 holes larger wires bezel attached panel two No6 screws integral part also attach module mounting adapter faced having adapt adapter tasks mental preparation actually takes longer doing Since mounting adapter MA 1023 available have use universal type trim fit Study sketches original modified adapter bases mods consist trinuning out center re-joining cyano acrylate adhesive drilling new hole trim off extra set unused module mounting posts small end adapter module held place four Left view clock module control switches will appear mounted front panel Right local RadIo Shack storo will furnish control relay single IC mounting PC board supports few other external componente 40 Model Aviation U push-on clips furnished adapter permanently mount module until connections have made testing described has completed can temporarily hold module place adapter small grommets short lengths fuel tubing slipped over mounting posts two panels available case listed used similar black plastic chose aluminum panel because provides better contrast photographsbut also because let tered black rub-offs sprayed clear finish such Super Poxy extremely durable attractive Obvi ously labels can put method choose easy way being plastic tape writer inter-unit connections will made after individual parts panel case IC board have components mounted partly wired make last step easier understand connection points module re 1O ferred Ml through M28 left right looking front display very small 1 found printed first connecting hole left switches seen mounting sketch num bered SWi through SW6 connec tions being further designated B Last IC board lands have assigned corresponding pin numbers relay uses same system ICs can now start actual construction Beginning case make holes rear right side shown sketches opening output socket best made l-in-dia hole saw mounted drill press such available coping saw file will suffice though taking little muscle dust Bakelite case slightly irritating breathed has yet reported weeks carcin ogen doubt would lungs much good Use face mask cutting case hole AC cord marked dimension may choose protect cord either rubber grom met strain relief such Radio Shack No 278-1636 Make whatever size hole necessary strain relief made thinner panels slight thinning case point will have done easily managed Dremel Moto Tool rotary cutter exception IC board mount components within case AC outlet should have 4-inLeft casemounted components small round object upper lefthand corner PC board isa piezoelectric buzzer optional audio alarm Right Rear case showing external components including Alarm Audio Off switch described text June 1985 41 long lead attached bottom terminal 2Yz-in top terminals No connection made third terminal attached frame AC outlet transformer mounted black primary leads left other four leads go right Install fuse holder AC cord complete wiring indicated Primary AC Wiring sketch Notice no on/off switch such unit ready start working whenever plug can now devote attention panel Make holes indicatedwith allowances number switch holes have chosen options other indicated Letter spray panel shown required Alarm Audio Off Switch mounted rear case function exactly single-pole double-throw type used single-throw simple on/off function Solder 6-in lead its center contact before installed case other wire later routed should go outer terminals matter choice though prefer forward movement finger towards center case PC board mounted case two Radio Shack 4-40 x Vz spacers Should spacer greaterthan Y4-in dia used insulating washer should installed between board prevent short between two nearby lands switches may now mounted Use washers between panel reduce amount protrude through panel switches lcok alike notice actually three different types Mount follows see sketch Push On/Push Off 5OlPBSWl SW3 Normally Open 502PBSW4 SW5 SW6 Normally Closed 503PBSW2 Notice SWi installed contacts facing towards outer edge panel provide clearance between output socket side SWi 5W3 tbrough 5W6 con nected together M8 referred inthe 1023 literature Vss Except interswitch connections attaching leads shown other switch contacts connect other leads switches time Temporarily mount adapters panel No6 screws also temporarily mount module adapters Now PC board Mount relay first Note occupies space 16pin IC has eight active pins unevenly spaced card relay comes contains sketch pin number diagram seen top relay should mounted Pin 1 land designated PC board Mount other PC board components paying close attention capacitor rectifier diode polarity Solder wires lengths indicated lands shown re maining unused holes will receive wires directly transformer output socket now final approachthe mating various sub-assemblies module off adapters its approximate final position solder wires switches module con nections module made top side wire inserted under side careful close spacing module connections can easily lead bridge Make following connections solder except first step M14 M8 SWl-B M8 solder SW3-A Mu SW4-A Ml6 SW5-A M13 SW6-A M12 SWl-AtoMl8 transformer secondary connections next follows Red Orange PC5 Red Orange PC 15 Green M4 Red/White White M7 rest AC wiring now tached consisting Transformer Black PC4 Remaining AC lead PC4 Top outlet lead PC6 Next following connections origi nating PC board should made PCi M22 PC2 M25 PC3 Alarm Audio-Off Switch Alarm Audio-Off Switch M26 PC5 Ml PC7 M23 PC9 SW2-B PCl2 M21 PC15 SW2-A now about over except shouting Test obvious mistakes such unconnected wires unused holes PC board solder bridges etc Unless youve included some options own should no connections M3 56 9 10 15 17 19 20 24 27 M28 Now components spread out short others fingers out case plug AC cord should no smoke nor action kind including lighted digits did follow instructions installed fuse before told Unplug install fuse plug again Still no smoke digits should light blinking rate about once second Unplug temporarily attach PC board module place still bezel Continued page 132 42 Model Aviation Digital Programmable Charger Timer work though LEDs dont show up photo RC system charger plugged output socket will work long tell no overcharging blinking display will tell power loss no undercharging lems Example find down-ele vator needed hold level flight doesnt mean tail heavy needing nose weight trouble wing lifting tail out plane decrease lift slightly raising wing trailing edge dont mistakenly feel have reduced over lifting capability wing because havent lift strut mount pro vided slots adjust wing problems showing another example versatility parasol configuration proper trim wing profile view will appear have negative incidence aircraft close design weight over weight might actually have add positive incidence wing achieve tail trim case would SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping reducing overall lifting capability model Also sure balance model along roll axis nails pushed soft wing tips will usually correct im balance Set control throws amounts shown plans will produce quick responses such needed creative maneuvers Use elevator back pressure turns glides forward elevator pressure inverted flight right rudder takeoffs climbs Use lots rudder slips hold track varying degrees opposite aileron nice knife-edge flight use almost full top rudder Normal outside snap rools easy recovery positive also normal inverted spins Flat turns GIANT SCALE RETRACT Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working oleo struts Precision machined metal lightweight construction Air/hydraulic controls 13/16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $26900 shipping Wheels sold separately ORDER DIRECT ONLY Knights Air 1400 Rte 32 West Friendship MD 21794 301 489-5050 rudder stable look good like em keep some power may sound like model set up just flying aerobatics fly half-power outstanding trainer stable just responsive enough keep out trouble Work hard low engine idle differential between top rpm idle relatively small four-strokers Low idle required realistic glides safe taxiing maneuvers such takeoff-loop-land back-side airspeed must kept low Use other wings added pleasure versatile parasol heavier-loaded low aspect ratio wing about 24 oz per sq ft would good flying high winds try STOL type Clark-Y airfoil section flaps and/or slots its ball Use accessory hatches sorts thingslike bomb dropping banner tow ing tissue dropping parachute dropping photography whatever can think Field assembly disassembly Rooster easy live loosening six nylon bolts about three turns unplug ging aileron servo snapping wing struts out mounts folding lift struts back against fuselage ready load up takes less two minutes no screws lose thread cold numb fingers system works very well metalwork difficult may appear Just sure tabs match screw heads know will like versatile func tional durable vintage-type airplane Charge Timer/Marez Continued page 42 TestingThis actually dual step will learning program charge timer what button does test work AC plug back wall display blinking press Fast Set button blinking should stop Now press boththeFast Slow set buttons simultaneously release display should indicate either 1200 0000 former clock set 12-hour time 24-hour time latter Pressing 24/12 button should change display indications other Leave 1200 pressing Fast button will advance time rate hour minutes second Slow button advances time two minutes per second Press Fast button until display past 1200 pm indicator small dot upper left corner display should now appear Pressing 24/12 button once will cause dot disappear display change equivalent time 24-hour clock example indicated time 235 pm will become 1435 Pressing Alarm Display button will cause change display some arbitrary time desired alarm time can set Fast Slow set buttons 132 Model Aviation IiLL LLLL U L 13311 beach Ave e Marina Del Rey UA 2 121-6242 KNIGHTS AIR J P-51 J 0 0 %6 / 0 9 ~TIMONIU&q __A\~YORKROAD FAIRGROU TIMONIUM RD TO FR OrN BALTIMOREWE S TAKE TIMONIUM RD EAST EXIT 16 --OFF OF INTERSTATE 83 D STATE FAIRGROUNDS 0 L0 fIJLiNVX 4tr MO 4$ c #0 3 TIMONIUM FAIR GROUNDS TIMONIUM MARYLAND FOR INFO CONTACT MARC DIRECTOR Dan Yarchin 6331 Red Cedar Place Baltimore Maryland 21209 301 358-8819 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE same manner present time Depressing three buttons simul taneously will return alarm time 1200 0000 manner similar already explained Charge Reset button has no visible affect time will explained cover operation unit last button OffAlarm obvious cuts off terrible racket thing will make 500 am 0500 telling time get up also tells alarm function armed does lighting small red dot lower right corner display alarm must armed charger shutoff atthe desiredtime Alarm Audio switch rear unit works together feature provide beep want itor merely silently terminate charging alone desired test alarm set alarm time ahead currently-indicated time advance latter Fast button times coincide audio alarm will heard can stopped Off Alarm button test charge out put lamp less 100 watts can plugged outlet Cycle timer before lamp will during normal time will go off current time advanced coincide alarm-set time much less confusing charge timer hands can see action switch Once around become expert Operation point should pretty obvious couple exceptions will now cover 24/12 feature save some mental gym nastics times using unit control charge time depending timepiece aural alarm Simply set 24 hours zero both indicated alarm times set desired time period latter alarm must proper time has elapsed charging will automatically cease Obviously same thing will happen actual correct time entered either 24- 12-hour settings exception have add desired charge time present time enter alarm time Reset Charge button must used start charge cycle after charge timer has through On/Off cycle once either alarm actually time terminate charge resetting action takes place automatically unit first plugged have cycled once testing punch button mo mentarily after setting times Actual charging action can checked LED indicator present RC system chargers everything works normally can now complete final assembly involves installation bezel filter adap Continued page 136 Fly same prop over over again Continuous filament fiberglass blades molded epoxy resin Hi-performance test proven propellor blade shape 2-piece 7075 aluminum T6 hardness hub anodized black Removeable steel pins quick blade changes Tested high RPM blades will change pitch PROP HUB ASSEMBLY # 103 1 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUD # 109 Available Tx 25 7x 3 7x 35 8x 4 $400 per blade $800 per pair additional nose walht steel hub available PlOP HUB ASSEMBLY # IOU grams $1500 Pulp HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR NOB # 110 Available 6x 3 $400 per blade $800 per pair Additional sizes larger diameters available soon Send SSAE catalno sheet complete line June1985 133 & & ff& rz JIM ROBERTS Rt2 Box 2547 La Grande OR 97850 503-963-0596 VERY FINEST QUALItY MATERIALS SUPERIOR MACHINE FINISHED PARTS SUPER CLEAN FLYING AIRPLANES FAST BUILDING ENJOYABLE ASSEMBLY BICAT SPAN 47 ENGINE 40- 50 BI PLANE IS HIGHLY STABLE AND EASY TO SHOW STOPPER VISA Welcome THIS bEAUTIFUL MANEUVERABLE FLY REAL Also Available TOPCAT Span 577 FIREGAT Span 577 LASERCATSpan 540 Dealer Inquiries Invited $5950 6550 7450 Consumers Guide MA iso ott st Harrlsonburg VA 22801 Addens r Charge Timer/Marez Continued page 133 ters course module After removing protective covering bezel filter notice aphjny dull side should inst1hidwith dull surface outward As ybii liritali panel case check anr obstruc tions though used taiiponents dimensions given no problffls should arise Install panel screws sit back admire looks great doesnt importantly will comfort know using Digital Pro grammable Charge Timer instruc tions furnished maker RC system will assure safe complete charg ing important Ni-Cd bat terieswithout fear overcharging Parts update latest Digi-Key catalog lists relay Part No Z3 10-ND priced $335 identical size pin connections Radio Shack unit previ ously mentioned can save yourself extra trip including initial order parts RC SoaringjIruss Continued page 45 launch F3B tasks further con cern wing loads during turns Speed task safety factor wing design becomes paramount can also prob lem Explaining reducing com plex system its simplest form Believe engineering masterfully done puts bird truly class itself Details will come later column after Australian World Championships April meantime visualize aluminum Ibeam spar ball bearing fit snuggly side I-beam web ball bearings act guides provide almost friction-free movement outer wing panels telescope panels move through belt-drive system via elec tric motors Some its interesting specifications wing area varies about 790 1100 square inches aspect ratio 10 149 varies wing loading about 11 ounces per square foot about 16 ounces details become available meantime dont look dealers window Wingevatorons Mark TriebesSa ratoga CA comes control system ahd idea wouldnt too difficult enijiloy latest worldbeater Modificatidhs model would slight acding Mark might worth drort Marks idea flight control uses two servosand both control movements wings thats no rudder control nor elevator control As can seen drawing roll servo provides movement wings control lateral movement Turns prob ably kind sloshy might diulicult td keep ball center A-stage cadet might make point does work pitch servo moves both wing same direction giving same affdct elevators hardware off-the-shelf heart system besides servos Du Bro iniier could elimi nat&1 transmitter has built-in mixer Mark used system new design called Mistral Flying results have gratiIring also points out building snap because eliminated pushrods linkages hinges rudder elevator Speed brakes Back April 1982 column Swiss Spartakus version split-rudder speed brake used servo conventional rudder control another servo split rudder through series cords pulleys actuating arms springs system workedE throw limited mechanics system werent anyone hadnt progressed beyond Sticks Glue 101 month photo shows simple system could think possible Instead two separate servos mentioned above Wunscheim West Germany shows version too uses two servos left half rudder right half2 Through 136 Model Aviation p 8750 S ATTENTION 1/4 SCALERS EPOXY GLASS COWLS FOR NOSEN PICA 510 MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAPT SHEBEB PIllS & C SCALE SUPER CUB FOKKER 0- BOEING P12 P26 F4B2 F4B4 SPARROW HAWK GEE BEE MOO V MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II SCALE JI-Bi BABY PLYBABY & OTHERS WHEEL PANTS FOR CITABBIA STARGUSTER II PITYS SEYBOLT LIBERTY SPORT CHRISTEN EAGLE P6E HAWK MULLIGAN & OTHERS LARGE SCALE PLANS AVAILABLE Please send $100 complete list supply Modelers fiberglass parts plans Write Call Us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CITY MI 4B135 PHONE 1313421-6358 BRAZED N HEAT-TREATED WIRE GEARS N CABANES PHONE 13131261-9064 Second Edition Most Complete Guide Market 167 Manufacturers Importers etc 250 Pages postage $165 Total Cost $860 Send $880 lIncludEs shipping UPS APO sod foreIgn surface maill $124s foreign air Wall to