Mini-electrics

NO OCR TEXT NO OCR TEXT NO OCR TEXT CONVERTING DRY CELL ~ CHARTER CHARGERS TO NICKLE RARCERHEADCADMIUM OLDERADO IA VIATI TERMINALSRESISTOR SUBSTITUTE 12 TO 20 RE ROAR HICKLE CADMIUN CELLS FOR DRY CELLS WIRE DIRECTLY DO IRE CHARGE PLUG 4 CELL CHARGERS SUCH AS MRC 2 LL CHARGERS SUCH AS FE C NO OCR TEXT Name Street Anfrirono __________________________ City StateZip young Tom Cruise flying Danger Zone Ralph pushed limit win 12-in Catapult Glider category sleek vee-dihedral red-finished birds hard decide biggest grin Junior IHLG winner Jim Buxton use young-arm senior citizen Ralph Schlarb tiny rubber catapult collected awards genial Tony Italiano Like reporter plan back flying under MiniDome next year FF Mini-Electrics/SruII Continued page 92 standard two-cell 50 mAh 70 mAh flight packs near-optimum will discuss some alternative battery combinations little later Table 1 summarizes three mini-electric systems Charging flight batteries Lets talk little about charging flight bat teries between flights since likely trouble-spot newcomer typical flight mini-electric motors will draw about two amperes current 30 60 sec means battery needs charged two ampere-minutes two amperes x -minute re minute etc juice does field charger provide necessary two ampere-minutes charge charger supplied MRC airplane package typical simple drycell charger contains four standard Csize flashlight batteries connected series obtain six volts charging terminals connected flight batteries current about two amperes pumped Thats exactly what current model flying remember Therefore charger attached -minute charge ampere-minute two amps x -minute obtained charger attached minute charge two ampere-minutes two amps x minute obtained Easy eh small 50 mAh flight batteries can theoretically take larger charge three ampere-minutes maximum after minute charging two amperes become rather warm further charging high rate can damage So its safest fast-charge 75% less maximum capacity tiny cells Slower charge rates safer course time charge up lengthened proportionately example half charge rate charge time doubled way converting conventional mAh milliampere-hour capacity ratings cells convenient ampere-minute rating easy As example cell rated 50 mAh can take charge 50 milli amperes 50/1000 amperes hour 60 minutes capacity therefore 50/1000 x 60 e ampere-minutes Likewise 70 mAh cell has 42 ampere-minute capacity 100 mAh cell has six ampere-minute capacity Although slower MRC VL chargers chargers provided FE somewhat safer well FE sells simple nice charger uses three C-size dry cell batteries charge current about 1 amperes charging time between 50 100 sec FE also markets slow charger FEs designation uses two D-size dry cell batteries Charging case much lower rate takes five minutes longer danger overcharging almost elimi nated simple dry battery chargers after little practice can begin tell long charge model needs given flight duration must course use watch shows seconds accurately keep track charge time simple dry battery charger does have two main shortcomings First since dry cells dont have lot capacity soon begin wear down necessitating everlonger charge times some point de pending upon much fly new batteries needed Second no ammeter measure charge current total charge put flight batteries cannot known degree ac curacy decide like mini-electric flying after giving try recommend consider upgrading charger both following types will greatly add convenience enjoyment elec trio-powered Free Flight VL sells charger system FC-40 1 fits small field box powered either 12-volt wet cell plugging cars cigarette lighter socket has 0-to 4-amp 178 Model Aviation ZMA MACHINE SHOP SUPPLIES ING MACHINES LATH ES BLUE /RID%ETOOLS lOMACHINERY AND tOOLS INC tion Ii0 Modeler POOoHSCOY nWV25926 5023938Cevloo$1Ce UNIMAT 3 FREE dH dook Ii, o,o SPECIAL FREE froight FOEE driv halE Save Over 9O WHOLES 0100607 SCALE PHOTO SERVICE500 PHOTO PCCCS PLANS3 VIEWS PHOTO-PACKS PLANS ENLARGING SASE Esiarging CHE Catalog 0300 SCALE PlANS PHOTO SERIICE 3209 MadIson GeonsbHno NC 27403 PhOHO 19191 2925239 INC COiled PUAWI DIESELS Englands Finest 049 35 RIC STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Send 55AE tar catalog theet oar complete line ammeter measuring charge current rheostat adjusting charge current automatic clock timer cutoff switch system will take care ofjust about Free Flight electric motor system will likely ever use including larger VL Hytork motors small Astro 02 035 ferrite motors Its about $35 VL Products 7871 Alabama Ave #16 Canoga Park CA 91304 can write information prefer smaller pocket-sized charger consider converting three- four-cell dry battery charger rechargeable batteries Instead C- D-size flash light batteries use nickel-cadmium Ni Cd cells least 12 20 ampere-hour capacity Cells size referred sub-C super-C often used run electric-powered radio-controlled cars boats planes Ready-made packs four subcells also used airborne radio batteries Giant Scale other large RC models charger using Ni-Cd cells size will provide better much con sistent charges mini-electric mod els Moreover wont take long initially expensive rechargeable cells pay themselves since rather short-lived C- D-size dry cells quite expensive Occasionally can find Ni-Cd cells sale prices below equivalent dry cells convert dry cell charger Ni-Cds precaution should taken large Ni-Cd cells have much lower internal resistance dry cells means charging current put out will little higher dry cells JET ENGINE SALE JETS $19900 Catalog $500 AL DOSLE 4015 Ban Jacinto # 404 0 Hooaten Texas 77004 713 44047$4 convert four-cell charger such MRC recommend add 1ohm 10-watt resistor available Radio Shack about 50 cents charging circuit will cut charging current otherwise would little high very small 50 mAh 70 mAh flight batteries two amperes less ever convert FE two-cell threecell chargers no need dropping resistor See Figure 1 few last words care feeding flight batteries way determine much charge youre getting flight batteries temperature good charge should get slightly warm hot little experience can tell approaching full charge little cells become noticeably warm however become hot and/or hear little popits likely least cell has overcharged dam aged popping sound caused cell venting through safety valve damaged will no longer hold good charge performance will deteriorate Damaged cells may also leak little corrode positive end cap symptoms occur battery must replaced cant repaired Suitable models installations Models suitable mini-electrics can almost type configuration requirement built rather lightmuch like rubber-powered models ones powered glow engines best candidate mini-electric stallations will have awing area between 75 150 sq total weight minus power system prop no two ounces good weight target 1 1 oz pretty easy achieve rubber-powered-like design Just fun have rubber-powered model span between 20 30 remove prop rubber motor weigh Chances will weigh less two ounces will have wing area around 100 sq convert mini-electric illustrate range model types various installations gadgets two model designs shown Avro 560 30-in-span Scale model wing area 105 sq total weight 70 grams 25 oz powered standard MRC system Mini-E ultrasimple sport job span 20 wing area 80 sq total weight of54 grams 19 oz Mini-E powered Ferrell Enterprise 007 two-cell motor system Both models fly extremely well construction should self-explanatory watchword keep light Im going stop writing now go out flying interest will describe some do-it-yourself tricks motors sub sequent articlesuch things rewinding variations flight batteries field chargers enhancements chargeis flight batteries motors supply sources minielectric stuff Meanwhile get new fun thingyoull get charge out Engine 049-051 50L202Ace High MKII $3195 span 40I4123 Channels Engine 049-05150L203Whlzard 50K227 4-120 $14995 October 1987 179 50L213AlPha 15 $4995 4 ALREADY FLYINGL~ BRAND NEW TRAINERS WITH RADIO AND ENGINE INSTALLED-Only $300 FUTABA 4NL w/4 S38 SERVOS OTTS RIO PARADISE 808935d206 660 KAUMANA Dr HILQHi 96720 IT17 ES 161LS METALS B00S PRECISIOR IRSTRMENTS COOPETE COTALOG $200 loin \Iiia.msi FLS CD Sprrgfnld uo 45555 m 0 13 5228562 NORTH AMERICAN AIRCRAFT MUSEUM GUIDE WhoWhatWhere 1987 Edition MORE $975 US Postage Paid Checka MOs BrucelBeeson Publishers 2428 East 56th Place Tulsa OK 74105 Send $200 complete catalog ACE item avalabI YOUr dedl5r Odar dict add $200 Hendliot Fee 116W 19th St POBox511CQ Higginsville MO 64037 816 584-7121

NO OCR TEXT NO OCR TEXT NO OCR TEXT CONVERTING DRY CELL ~ CHARTER CHARGERS TO NICKLE RARCERHEADCADMIUM OLDERADO IA VIATI TERMINALSRESISTOR SUBSTITUTE 12 TO 20 RE ROAR HICKLE CADMIUN CELLS FOR DRY CELLS WIRE DIRECTLY DO IRE CHARGE PLUG 4 CELL CHARGERS SUCH AS MRC 2 LL CHARGERS SUCH AS FE C NO OCR TEXT Name Street Anfrirono __________________________ City StateZip young Tom Cruise flying Danger Zone Ralph pushed limit win 12-in Catapult Glider category sleek vee-dihedral red-finished birds hard decide biggest grin Junior IHLG winner Jim Buxton use young-arm senior citizen Ralph Schlarb tiny rubber catapult collected awards genial Tony Italiano Like reporter plan back flying under MiniDome next year FF Mini-Electrics/SruII Continued page 92 standard two-cell 50 mAh 70 mAh flight packs near-optimum will discuss some alternative battery combinations little later Table 1 summarizes three mini-electric systems Charging flight batteries Lets talk little about charging flight bat teries between flights since likely trouble-spot newcomer typical flight mini-electric motors will draw about two amperes current 30 60 sec means battery needs charged two ampere-minutes two amperes x -minute re minute etc juice does field charger provide necessary two ampere-minutes charge charger supplied MRC airplane package typical simple drycell charger contains four standard Csize flashlight batteries connected series obtain six volts charging terminals connected flight batteries current about two amperes pumped Thats exactly what current model flying remember Therefore charger attached -minute charge ampere-minute two amps x -minute obtained charger attached minute charge two ampere-minutes two amps x minute obtained Easy eh small 50 mAh flight batteries can theoretically take larger charge three ampere-minutes maximum after minute charging two amperes become rather warm further charging high rate can damage So its safest fast-charge 75% less maximum capacity tiny cells Slower charge rates safer course time charge up lengthened proportionately example half charge rate charge time doubled way converting conventional mAh milliampere-hour capacity ratings cells convenient ampere-minute rating easy As example cell rated 50 mAh can take charge 50 milli amperes 50/1000 amperes hour 60 minutes capacity therefore 50/1000 x 60 e ampere-minutes Likewise 70 mAh cell has 42 ampere-minute capacity 100 mAh cell has six ampere-minute capacity Although slower MRC VL chargers chargers provided FE somewhat safer well FE sells simple nice charger uses three C-size dry cell batteries charge current about 1 amperes charging time between 50 100 sec FE also markets slow charger FEs designation uses two D-size dry cell batteries Charging case much lower rate takes five minutes longer danger overcharging almost elimi nated simple dry battery chargers after little practice can begin tell long charge model needs given flight duration must course use watch shows seconds accurately keep track charge time simple dry battery charger does have two main shortcomings First since dry cells dont have lot capacity soon begin wear down necessitating everlonger charge times some point de pending upon much fly new batteries needed Second no ammeter measure charge current total charge put flight batteries cannot known degree ac curacy decide like mini-electric flying after giving try recommend consider upgrading charger both following types will greatly add convenience enjoyment elec trio-powered Free Flight VL sells charger system FC-40 1 fits small field box powered either 12-volt wet cell plugging cars cigarette lighter socket has 0-to 4-amp 178 Model Aviation ZMA MACHINE SHOP SUPPLIES ING MACHINES LATH ES BLUE /RID%ETOOLS lOMACHINERY AND tOOLS INC tion Ii0 Modeler POOoHSCOY nWV25926 5023938Cevloo$1Ce UNIMAT 3 FREE dH dook Ii, o,o SPECIAL FREE froight FOEE driv halE Save Over 9O WHOLES 0100607 SCALE PHOTO SERVICE500 PHOTO PCCCS PLANS3 VIEWS PHOTO-PACKS PLANS ENLARGING SASE Esiarging CHE Catalog 0300 SCALE PlANS PHOTO SERIICE 3209 MadIson GeonsbHno NC 27403 PhOHO 19191 2925239 INC COiled PUAWI DIESELS Englands Finest 049 35 RIC STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Send 55AE tar catalog theet oar complete line ammeter measuring charge current rheostat adjusting charge current automatic clock timer cutoff switch system will take care ofjust about Free Flight electric motor system will likely ever use including larger VL Hytork motors small Astro 02 035 ferrite motors Its about $35 VL Products 7871 Alabama Ave #16 Canoga Park CA 91304 can write information prefer smaller pocket-sized charger consider converting three- four-cell dry battery charger rechargeable batteries Instead C- D-size flash light batteries use nickel-cadmium Ni Cd cells least 12 20 ampere-hour capacity Cells size referred sub-C super-C often used run electric-powered radio-controlled cars boats planes Ready-made packs four subcells also used airborne radio batteries Giant Scale other large RC models charger using Ni-Cd cells size will provide better much con sistent charges mini-electric mod els Moreover wont take long initially expensive rechargeable cells pay themselves since rather short-lived C- D-size dry cells quite expensive Occasionally can find Ni-Cd cells sale prices below equivalent dry cells convert dry cell charger Ni-Cds precaution should taken large Ni-Cd cells have much lower internal resistance dry cells means charging current put out will little higher dry cells JET ENGINE SALE JETS $19900 Catalog $500 AL DOSLE 4015 Ban Jacinto # 404 0 Hooaten Texas 77004 713 44047$4 convert four-cell charger such MRC recommend add 1ohm 10-watt resistor available Radio Shack about 50 cents charging circuit will cut charging current otherwise would little high very small 50 mAh 70 mAh flight batteries two amperes less ever convert FE two-cell threecell chargers no need dropping resistor See Figure 1 few last words care feeding flight batteries way determine much charge youre getting flight batteries temperature good charge should get slightly warm hot little experience can tell approaching full charge little cells become noticeably warm however become hot and/or hear little popits likely least cell has overcharged dam aged popping sound caused cell venting through safety valve damaged will no longer hold good charge performance will deteriorate Damaged cells may also leak little corrode positive end cap symptoms occur battery must replaced cant repaired Suitable models installations Models suitable mini-electrics can almost type configuration requirement built rather lightmuch like rubber-powered models ones powered glow engines best candidate mini-electric stallations will have awing area between 75 150 sq total weight minus power system prop no two ounces good weight target 1 1 oz pretty easy achieve rubber-powered-like design Just fun have rubber-powered model span between 20 30 remove prop rubber motor weigh Chances will weigh less two ounces will have wing area around 100 sq convert mini-electric illustrate range model types various installations gadgets two model designs shown Avro 560 30-in-span Scale model wing area 105 sq total weight 70 grams 25 oz powered standard MRC system Mini-E ultrasimple sport job span 20 wing area 80 sq total weight of54 grams 19 oz Mini-E powered Ferrell Enterprise 007 two-cell motor system Both models fly extremely well construction should self-explanatory watchword keep light Im going stop writing now go out flying interest will describe some do-it-yourself tricks motors sub sequent articlesuch things rewinding variations flight batteries field chargers enhancements chargeis flight batteries motors supply sources minielectric stuff Meanwhile get new fun thingyoull get charge out Engine 049-051 50L202Ace High MKII $3195 span 40I4123 Channels Engine 049-05150L203Whlzard 50K227 4-120 $14995 October 1987 179 50L213AlPha 15 $4995 4 ALREADY FLYINGL~ BRAND NEW TRAINERS WITH RADIO AND ENGINE INSTALLED-Only $300 FUTABA 4NL w/4 S38 SERVOS OTTS RIO PARADISE 808935d206 660 KAUMANA Dr HILQHi 96720 IT17 ES 161LS METALS B00S PRECISIOR IRSTRMENTS COOPETE COTALOG $200 loin \Iiia.msi FLS CD Sprrgfnld uo 45555 m 0 13 5228562 NORTH AMERICAN AIRCRAFT MUSEUM GUIDE WhoWhatWhere 1987 Edition MORE $975 US Postage Paid Checka MOs BrucelBeeson Publishers 2428 East 56th Place Tulsa OK 74105 Send $200 complete catalog ACE item avalabI YOUr dedl5r Odar dict add $200 Hendliot Fee 116W 19th St POBox511CQ Higginsville MO 64037 816 584-7121

NO OCR TEXT NO OCR TEXT NO OCR TEXT CONVERTING DRY CELL ~ CHARTER CHARGERS TO NICKLE RARCERHEADCADMIUM OLDERADO IA VIATI TERMINALSRESISTOR SUBSTITUTE 12 TO 20 RE ROAR HICKLE CADMIUN CELLS FOR DRY CELLS WIRE DIRECTLY DO IRE CHARGE PLUG 4 CELL CHARGERS SUCH AS MRC 2 LL CHARGERS SUCH AS FE C NO OCR TEXT Name Street Anfrirono __________________________ City StateZip young Tom Cruise flying Danger Zone Ralph pushed limit win 12-in Catapult Glider category sleek vee-dihedral red-finished birds hard decide biggest grin Junior IHLG winner Jim Buxton use young-arm senior citizen Ralph Schlarb tiny rubber catapult collected awards genial Tony Italiano Like reporter plan back flying under MiniDome next year FF Mini-Electrics/SruII Continued page 92 standard two-cell 50 mAh 70 mAh flight packs near-optimum will discuss some alternative battery combinations little later Table 1 summarizes three mini-electric systems Charging flight batteries Lets talk little about charging flight bat teries between flights since likely trouble-spot newcomer typical flight mini-electric motors will draw about two amperes current 30 60 sec means battery needs charged two ampere-minutes two amperes x -minute re minute etc juice does field charger provide necessary two ampere-minutes charge charger supplied MRC airplane package typical simple drycell charger contains four standard Csize flashlight batteries connected series obtain six volts charging terminals connected flight batteries current about two amperes pumped Thats exactly what current model flying remember Therefore charger attached -minute charge ampere-minute two amps x -minute obtained charger attached minute charge two ampere-minutes two amps x minute obtained Easy eh small 50 mAh flight batteries can theoretically take larger charge three ampere-minutes maximum after minute charging two amperes become rather warm further charging high rate can damage So its safest fast-charge 75% less maximum capacity tiny cells Slower charge rates safer course time charge up lengthened proportionately example half charge rate charge time doubled way converting conventional mAh milliampere-hour capacity ratings cells convenient ampere-minute rating easy As example cell rated 50 mAh can take charge 50 milli amperes 50/1000 amperes hour 60 minutes capacity therefore 50/1000 x 60 e ampere-minutes Likewise 70 mAh cell has 42 ampere-minute capacity 100 mAh cell has six ampere-minute capacity Although slower MRC VL chargers chargers provided FE somewhat safer well FE sells simple nice charger uses three C-size dry cell batteries charge current about 1 amperes charging time between 50 100 sec FE also markets slow charger FEs designation uses two D-size dry cell batteries Charging case much lower rate takes five minutes longer danger overcharging almost elimi nated simple dry battery chargers after little practice can begin tell long charge model needs given flight duration must course use watch shows seconds accurately keep track charge time simple dry battery charger does have two main shortcomings First since dry cells dont have lot capacity soon begin wear down necessitating everlonger charge times some point de pending upon much fly new batteries needed Second no ammeter measure charge current total charge put flight batteries cannot known degree ac curacy decide like mini-electric flying after giving try recommend consider upgrading charger both following types will greatly add convenience enjoyment elec trio-powered Free Flight VL sells charger system FC-40 1 fits small field box powered either 12-volt wet cell plugging cars cigarette lighter socket has 0-to 4-amp 178 Model Aviation ZMA MACHINE SHOP SUPPLIES ING MACHINES LATH ES BLUE /RID%ETOOLS lOMACHINERY AND tOOLS INC tion Ii0 Modeler POOoHSCOY nWV25926 5023938Cevloo$1Ce UNIMAT 3 FREE dH dook Ii, o,o SPECIAL FREE froight FOEE driv halE Save Over 9O WHOLES 0100607 SCALE PHOTO SERVICE500 PHOTO PCCCS PLANS3 VIEWS PHOTO-PACKS PLANS ENLARGING SASE Esiarging CHE Catalog 0300 SCALE PlANS PHOTO SERIICE 3209 MadIson GeonsbHno NC 27403 PhOHO 19191 2925239 INC COiled PUAWI DIESELS Englands Finest 049 35 RIC STD Send $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Send 55AE tar catalog theet oar complete line ammeter measuring charge current rheostat adjusting charge current automatic clock timer cutoff switch system will take care ofjust about Free Flight electric motor system will likely ever use including larger VL Hytork motors small Astro 02 035 ferrite motors Its about $35 VL Products 7871 Alabama Ave #16 Canoga Park CA 91304 can write information prefer smaller pocket-sized charger consider converting three- four-cell dry battery charger rechargeable batteries Instead C- D-size flash light batteries use nickel-cadmium Ni Cd cells least 12 20 ampere-hour capacity Cells size referred sub-C super-C often used run electric-powered radio-controlled cars boats planes Ready-made packs four subcells also used airborne radio batteries Giant Scale other large RC models charger using Ni-Cd cells size will provide better much con sistent charges mini-electric mod els Moreover wont take long initially expensive rechargeable cells pay themselves since rather short-lived C- D-size dry cells quite expensive Occasionally can find Ni-Cd cells sale prices below equivalent dry cells convert dry cell charger Ni-Cds precaution should taken large Ni-Cd cells have much lower internal resistance dry cells means charging current put out will little higher dry cells JET ENGINE SALE JETS $19900 Catalog $500 AL DOSLE 4015 Ban Jacinto # 404 0 Hooaten Texas 77004 713 44047$4 convert four-cell charger such MRC recommend add 1ohm 10-watt resistor available Radio Shack about 50 cents charging circuit will cut charging current otherwise would little high very small 50 mAh 70 mAh flight batteries two amperes less ever convert FE two-cell threecell chargers no need dropping resistor See Figure 1 few last words care feeding flight batteries way determine much charge youre getting flight batteries temperature good charge should get slightly warm hot little experience can tell approaching full charge little cells become noticeably warm however become hot and/or hear little popits likely least cell has overcharged dam aged popping sound caused cell venting through safety valve damaged will no longer hold good charge performance will deteriorate Damaged cells may also leak little corrode positive end cap symptoms occur battery must replaced cant repaired Suitable models installations Models suitable mini-electrics can almost type configuration requirement built rather lightmuch like rubber-powered models ones powered glow engines best candidate mini-electric stallations will have awing area between 75 150 sq total weight minus power system prop no two ounces good weight target 1 1 oz pretty easy achieve rubber-powered-like design Just fun have rubber-powered model span between 20 30 remove prop rubber motor weigh Chances will weigh less two ounces will have wing area around 100 sq convert mini-electric illustrate range model types various installations gadgets two model designs shown Avro 560 30-in-span Scale model wing area 105 sq total weight 70 grams 25 oz powered standard MRC system Mini-E ultrasimple sport job span 20 wing area 80 sq total weight of54 grams 19 oz Mini-E powered Ferrell Enterprise 007 two-cell motor system Both models fly extremely well construction should self-explanatory watchword keep light Im going stop writing now go out flying interest will describe some do-it-yourself tricks motors sub sequent articlesuch things rewinding variations flight batteries field chargers enhancements chargeis flight batteries motors supply sources minielectric stuff Meanwhile get new fun thingyoull get charge out Engine 049-051 50L202Ace High MKII $3195 span 40I4123 Channels Engine 049-05150L203Whlzard 50K227 4-120 $14995 October 1987 179 50L213AlPha 15 $4995 4 ALREADY FLYINGL~ BRAND NEW TRAINERS WITH RADIO AND ENGINE INSTALLED-Only $300 FUTABA 4NL w/4 S38 SERVOS OTTS RIO PARADISE 808935d206 660 KAUMANA Dr HILQHi 96720 IT17 ES 161LS METALS B00S PRECISIOR IRSTRMENTS COOPETE COTALOG $200 loin \Iiia.msi FLS CD Sprrgfnld uo 45555 m 0 13 5228562 NORTH AMERICAN AIRCRAFT MUSEUM GUIDE WhoWhatWhere 1987 Edition MORE $975 US Postage Paid Checka MOs BrucelBeeson Publishers 2428 East 56th Place Tulsa OK 74105 Send $200 complete catalog ACE item avalabI YOUr dedl5r Odar dict add $200 Hendliot Fee 116W 19th St POBox511CQ Higginsville MO 64037 816 584-7121