Travels Wit MIRAGE U Bernard Cawley Jr j e took three-week vacation sunny Southwest New Mexico Colorado past summer visit family friends room take along two planes hopes getting some flying selected wife Avis faithful Goldberg Mirage 550 well its third year frequent flying newly-completed Idealair Elf 1 -20E come along Mirage normally doesnt use folding prop lent itself propeller experimentation received attention got airtime prop experimentation important ask Well destinations ranged about 3000 feet bit over 7000 feet above sea level experience prior trip told January1994 23 Experimenting High Altitude Goldberg Mirage 550 correct prop choices Electric would have virtually sea-level performance higher altitudes wanted approach subject little scientifically time did number rpm current thrust tests several locations would like write piece analyzes high altitude propeller selection other flying considerations still have much learn article will describe places Mirage flew little about flew some test analysis did try understand flew way did First bit about plane So experienced E-power types will have frame reference Carl Goldberg Mirage 550 basically stock built wife Avis working 89 Nats Taylorcraft airframe modifications stouter still fixed tail wheel replacement fiberglass cowl Fiberglass Master power system recent Astro 05 cobalt runs quite assortment six- yes six cell packs though flights made using two Sanyo 1400 SCR packs power controlled Flightec SEC-I throttle current sealevel prop choice 8 x 4 APC flying grass sand remove two-inch Electra-Lite wheels came kit put 23¼-inch Lite Rites All-up weight big wheels 47 ounces giving wing loading 146 ounces per square foot brought along APC props ranged 8 x 4 8 x 6 9 x 4 9 x 6 As turned out Mirage flew different altitudes 8 x 5 APC later Flew flew Mirage five different locations Las Cruces New Mexico elevation approx 4000 feet White Sands National Monument near Alamogordo New Mexico approx 4000 feet Carlsbad New Mexico approx 3300 feet Santa Fe New Mexico 7000 feet Chatfield State Park south Denver Colorado about 5300 feet Las Cruces flying site schoolyard about size two soccer Continued page 27 VISION 8P 8SP UPGRADES End Soon! havent Vision ATRCS transmitter up graded may last chance upgrade increases number setups 8 plus allows setup named Also adds failsafe positions Futaba PPM FM receiver capability Up grade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup infonnation plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems Laboratories 238 So Hiliview Drive Milpitas CA 95035 408 946-4142 Name Arv City State ____ Zip 30 upgrades ______ x $9500 l CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $450 checkMaster Card VISA Card # ExpiresUpgrades End December 31 1993 24 Model Aviation gelCawley Continued page 24 fields surrounded obstacles damp gusty evening shortly after thunderstorm temperature probably 80s flights first trip Based first tests decided use 8 x 5 prop Because close quarters knowing what expect plane such altitude first flight nerve-wracking After hand-launch some climbing found flying bit shaky first soon became comfortable some successful touch and-gos ROG rise-off-ground grass some mild aerobatics done end after three flights confident flying higher altitudes would just fine fun Mirage White Sands National Monument windy evening Once again recently rained temperature probably low 80s hour before sunset flew Mirage top dune near picnic areas wind strong enough takeoffs dune made almost no ground roll touch-and-gos done almost full throttle flights shorter usual full power lots down trim necessary make much progress upwind However ioops Immelmanns easy back home sea level got number favorable comments other people picnic area did know model airplanes could flown electric motors common perception Ive noticed whenever fly places other model flying fields have found people really like quiet clean models will recount stories comment about noisy ones exposed flew before Its great way get interest long flight area clear people Carlsbad brother-in-law took Continued page 30 Authorized SAffdYO Distributor STANDARD SIZECAPACITY mAhDIA HTWEIGHT ozPRICE N-5OAAA1/3AAA50394591012$ 165 N-1SONN1504531122032150 N-110AA1/3AA110551650028150 N-200AAAAAA2003941720035175 N-270AA2/3AA2705511161050$ 150 N-600AAAA6005431945092$ 150 N-6SOSC1/2SUBC6508661016102300 KR-1300SCSIJBC13008661654170S 200 KR-1500SCSUBC15008661654166$ 300 KR2000CC20009921929247400 KD-4400DD4400127223625305 700 KR-7000FF700012723543813$1300 HIGH CAPACITY N225AE1/3A225 650642042$ 300 KR600AE2/3A600 6501094077$ 200 KR800AAE AA800 5431949085$ 250 KR1000AE4/SA1000 6501654109S 295 KR1100AAE7/SAA1100 5432530106$ 325 KR1200AE A1200 6501909106$ 295 KR1400AE A1400 65019091095 395 KR1700AE4/3A1700 6502598148S 495 KR1800SCESUBC1800 8661654165$ 350 KR2800CE C2800 9921929275595 KRSOOODEL D500012722299528S 895 FAST CHARGE N600SCR1/2SUBC6008661016102$ 325 N800SCR 6501909116$ 300 N1000SCR2/3SUBC100086612991445 350 N1400SCRSUBC14008661654187S 350 N1700SCRCSUBC17008661654190$ 450 Specify Solder Tabs FREE Charge I-.. SOAAA$ 8954N800AR$11954KR-1300SC$1195 4N-11OAA$ 7954KR1000AES 12954KR-1500SC$1395 4N-150N$ 8954KR1100AAE$17954KR1800SCE$1800 4N200AAAS 8954KR1200AE$13954N-1400SCR$1600 4N-225AE$12954KR1400AE$16954N-1700SCRC$1995 4N-270AA$ 7954KR-1700AE$19954KR2000C$2000 4N-600AA$ 8954N-6SOSC$13954KR4400D$3400 4KR800AAE$11954N-600SCR$13954KRSOOODEL$4200 4KR-600AE$10954N-1000SCR$1595 5 CELL RECEIVER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack 0 FUTABAJ$400AIRTRONICS$400 FUTABAG$400JR/HITEC5400 8N600AA w f8..$1S95 SN600AA icks 3 5 8KR800AAE0520001 stick 2$2000 8N600AA sticks 2 15959N600AA icks 3 .. $1800 8KR800AAE quare$20009KR800AAE108 volt$2200 6volt12AH$1200]l2volt7OAH$1500 Add $400 shipping & handling 7% sales tax/or Florida residents TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 1-800-346-0601 FAX 407 682-4469 DEALERS INQUIRIES WELCOME January 1994 27 APLP YOUR BATTERY STORE CATALOGS BEST IN SCALE Best Scale3400 ASP Model Aircraft Plans HandbookSS00 ASP Scale Drawing Plans Book3500 RC Model World Plans & Construction guide$600 VIII Gann Plans Book$800 PLEASE AD $200 FOR POSTAGE Call 909 883 3959 ror credit card orders CLASSIC SCALE 1/3RD TIGER MOTH Exact scale Real Tiger froanllie full size aircraft S & ACCESSORIES AVAIL PLANS $55 00 $5 00 PP Bob Holman Box 741 San Berdo CA 92402 organized flying site outside town field two paved runways place park lots open space very windy morning no else flying Takeoffs wind quick Landings scary done right almost no ground speed much like White Sands time over much harder surface Once landed plane often blew over wingtip brother-in-law got little buddy-box time gusts made difficult know whether wind commanding plane next destination Santa Fe Some phoning got contact Royal City R/C Club soon directions flying field south town two brothers wife couple kids visited field two evenings both times last couple hours before sunset RCRCC field has long narrow paved runway pit area tables windbreak shelter slightly hilly area lots wide-open spaces both visits field saw no other modelers over 7000 feet above sea level approach speeds noticeably higher takeoff rolls assisted headwind longer accustomed Once air Mirage handled just about expected Flying gentle predictable Thanks higher-pitch prop turning faster less-dense air mild aerobatics performed much would sea level see test results have problems accelerated stalls stalls turn resulting snap roll outside previous trips other planes Mirage no matter hard hauled around refused let go snap out elegant flying site visited flew other modelers inside Chatfield State Park near Denver Colorado field built maintained Jefco Aeromodelers has Continued page 32 30 Model Aviation gelCawley Continued paqe 27 forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMS CaRa Products PO Box 221 on SD 57013 55 9875924 W Nra 9-12 27 Central Time SASE information ers inquiries invited 00 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CuT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. first time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates old Bow 40 52 Available Power supply required Guaranteed out perform rest Simnly best OF DESIGN IN LAKE DRIVE 90068 Wood Hand Selected Fiberglass Cowl Complete Plans Parts Hand Cut Instruction Manual Photo Page order kits call 1-800-327-7198 catalog fine kits send $400 Idaho Residents Add 5% State Sales Tax MiragelCawley Continued page 30 two expansive paved runways pit tables flight stations separated frequencies lots airspace large covered area picnic tables Spectators welcome picnic area Because busy field ran biggest technical problem trip Ostensibly due interference generated audio portion television station channel 4 channels 20 21 have banned Denver area Guess channel Mirage 20 course So thats couldnt find flight station process finding out safety officer finally offered shut whole field down could fly after having come far Talk about accommodating rather embarrassed cause others having wait least knew wouldnt waiting trying get engine started got some favorable comments about well little Electric flewapparently myth Electrics dont work high altitudes prevalent Denver too Tests Because curious perhaps just because Im engineer started doing static tests various propellers location using 30A panel meter current measurement trusty AccuTach rpm purchase Normark digital fish scale allowed thrust tests via hook-the-scale-to-the-tailwheel method table can see something bit surprising As expected motor ran faster higher altitudes therefore bit lower current because less-dense air surprise measured thrust stayed nearly same regardless altitude least precision scale reads nearest ounce tests done indoors temperature low 70s power system mounted Mirage ammeter Continued poge 37 VINYLWRITE CUSTOM LElTERING Providing elegant time saving economical finishing touch modelers U TO APPLY Our lettering comes prespaced aligned-saving hours cutting fuss aligning individual letters decal text custom computer cut 3M premium cast vin 2 mils thin24 colors typestylesinc MilitaryBlockel/4to 12 highStencil Mask color outliningas & 15 well stars symbols & much morel prices can easily affordll PfEL Off Thf CARIII TIM AMA VINYLWRITE CUSTOM LETTERING 16043 Tulsa Street Granada Hills CA 91344___________________ 818 363-7131 10AM 4PM Pacific Mon thru Thur 32 Model Aviation ple AMA er 1/2 high $150 1 high $250 2 high $350 P&H CA res add tax lISP MCI AlKalI YOUR Call write complete info YOU RE 0001pack & sample ITS FREE Custom Letter Today MAIL ORDER ONLY MAGNIFICENT BEAUTY 1/5 scale Stinson SR-8 1001117 lbs Les Heidrichs Model Mirage/Cawley Continued page 32 between battery speed control two 1400SCR battery packs should noted tests same size prop made same individual prop tried take readings representative middle part run however voltmeter used Conclusions corresponding Ed Westbrook does much experimenting theorizing about electric propeller twisters learned results should surprising fact simply confirm what Mirage trying tell flew power system would deliver about same amount power air appropriate prop choice general flight performance would vary little regardless altitude Ed summed up analysis experience quite succinctly letters Moral operating higher altitude load current increased pitch. let rpm fall may thrust will take care itself As mentioned flights tended shorter think due mostly fighting wind having use power go wanted go Flying under windy conditions sometimes made landings bit dicey did have some repairing especially after botched landing Santa Fe knocked whole tail section off elegant demo RC flying brothers glad APC props available Alamogordo Denver flying successful future trip Id like try floatflying high mountain lakes have try floats first Id also like try fly meadow atop Wolf Creek Pass Colorado over 11000 feet above sea level Based flying worked past summer have no doubt will fine Next time go trip high country take Electric plane along y l Can Anybody Teach Mold Fiberglass Yes Can plug mold part comprehensive video discusses materials techniques tips making molding experience successful Its easier think $3495 plus $450 Shipping & Handling e Glast Developments Corporation 1944 Neva Dr Dayton OH 45414 00-821-3283 Fax 513-274-7267 Airplane Design Performance Modeler GIVE BOOK FOR CHRISTMAS book must model airplane ROLL builder flyers library covers model airplane design performance modeler mind Instead complicated 1 mathematics 280 pages numerous illustrations examples used Topics arranged sequence leads illustrated example design radio control model airplane Early Developments Terminology AerodynamicsToll FreeOrders r MC VISA & Stability Control Performance Design 1-800-364-BOOK Author Chevalierprofessor emeritus aerospace engineering Check M 0 Challenge Engineering Inc 50 years model building flying AMA 7503PO Box 67 $2495 shipping handingTX residents New Baden TX 77870 add tax -- US currency January1994 37 Simply Dust. Tested 8809 Metera Muffler Thinks its pipe Still Moat Effective Muffler above statements made Clarence Lee Don Lowe Howard Cr/spin FIR Tech Support 2fl-117-0792 TOME LOCAL IEAIB U ALL ceinplete catalog mmd self addressed 75C stamped #10 envelope 18200 credfled 1st eider DAVIS MOIEL PREDICTS li 141 MR eFd CT OHUD 317-1MI J1PLAJV jFO 7nE MOD1
Edition: Model Aviation - 1994/01
Page Numbers: 23, 24, 27, 30, 32, 37
Travels Wit MIRAGE U Bernard Cawley Jr j e took three-week vacation sunny Southwest New Mexico Colorado past summer visit family friends room take along two planes hopes getting some flying selected wife Avis faithful Goldberg Mirage 550 well its third year frequent flying newly-completed Idealair Elf 1 -20E come along Mirage normally doesnt use folding prop lent itself propeller experimentation received attention got airtime prop experimentation important ask Well destinations ranged about 3000 feet bit over 7000 feet above sea level experience prior trip told January1994 23 Experimenting High Altitude Goldberg Mirage 550 correct prop choices Electric would have virtually sea-level performance higher altitudes wanted approach subject little scientifically time did number rpm current thrust tests several locations would like write piece analyzes high altitude propeller selection other flying considerations still have much learn article will describe places Mirage flew little about flew some test analysis did try understand flew way did First bit about plane So experienced E-power types will have frame reference Carl Goldberg Mirage 550 basically stock built wife Avis working 89 Nats Taylorcraft airframe modifications stouter still fixed tail wheel replacement fiberglass cowl Fiberglass Master power system recent Astro 05 cobalt runs quite assortment six- yes six cell packs though flights made using two Sanyo 1400 SCR packs power controlled Flightec SEC-I throttle current sealevel prop choice 8 x 4 APC flying grass sand remove two-inch Electra-Lite wheels came kit put 23¼-inch Lite Rites All-up weight big wheels 47 ounces giving wing loading 146 ounces per square foot brought along APC props ranged 8 x 4 8 x 6 9 x 4 9 x 6 As turned out Mirage flew different altitudes 8 x 5 APC later Flew flew Mirage five different locations Las Cruces New Mexico elevation approx 4000 feet White Sands National Monument near Alamogordo New Mexico approx 4000 feet Carlsbad New Mexico approx 3300 feet Santa Fe New Mexico 7000 feet Chatfield State Park south Denver Colorado about 5300 feet Las Cruces flying site schoolyard about size two soccer Continued page 27 VISION 8P 8SP UPGRADES End Soon! havent Vision ATRCS transmitter up graded may last chance upgrade increases number setups 8 plus allows setup named Also adds failsafe positions Futaba PPM FM receiver capability Up grade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup infonnation plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems Laboratories 238 So Hiliview Drive Milpitas CA 95035 408 946-4142 Name Arv City State ____ Zip 30 upgrades ______ x $9500 l CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $450 checkMaster Card VISA Card # ExpiresUpgrades End December 31 1993 24 Model Aviation gelCawley Continued page 24 fields surrounded obstacles damp gusty evening shortly after thunderstorm temperature probably 80s flights first trip Based first tests decided use 8 x 5 prop Because close quarters knowing what expect plane such altitude first flight nerve-wracking After hand-launch some climbing found flying bit shaky first soon became comfortable some successful touch and-gos ROG rise-off-ground grass some mild aerobatics done end after three flights confident flying higher altitudes would just fine fun Mirage White Sands National Monument windy evening Once again recently rained temperature probably low 80s hour before sunset flew Mirage top dune near picnic areas wind strong enough takeoffs dune made almost no ground roll touch-and-gos done almost full throttle flights shorter usual full power lots down trim necessary make much progress upwind However ioops Immelmanns easy back home sea level got number favorable comments other people picnic area did know model airplanes could flown electric motors common perception Ive noticed whenever fly places other model flying fields have found people really like quiet clean models will recount stories comment about noisy ones exposed flew before Its great way get interest long flight area clear people Carlsbad brother-in-law took Continued page 30 Authorized SAffdYO Distributor STANDARD SIZECAPACITY mAhDIA HTWEIGHT ozPRICE N-5OAAA1/3AAA50394591012$ 165 N-1SONN1504531122032150 N-110AA1/3AA110551650028150 N-200AAAAAA2003941720035175 N-270AA2/3AA2705511161050$ 150 N-600AAAA6005431945092$ 150 N-6SOSC1/2SUBC6508661016102300 KR-1300SCSIJBC13008661654170S 200 KR-1500SCSUBC15008661654166$ 300 KR2000CC20009921929247400 KD-4400DD4400127223625305 700 KR-7000FF700012723543813$1300 HIGH CAPACITY N225AE1/3A225 650642042$ 300 KR600AE2/3A600 6501094077$ 200 KR800AAE AA800 5431949085$ 250 KR1000AE4/SA1000 6501654109S 295 KR1100AAE7/SAA1100 5432530106$ 325 KR1200AE A1200 6501909106$ 295 KR1400AE A1400 65019091095 395 KR1700AE4/3A1700 6502598148S 495 KR1800SCESUBC1800 8661654165$ 350 KR2800CE C2800 9921929275595 KRSOOODEL D500012722299528S 895 FAST CHARGE N600SCR1/2SUBC6008661016102$ 325 N800SCR 6501909116$ 300 N1000SCR2/3SUBC100086612991445 350 N1400SCRSUBC14008661654187S 350 N1700SCRCSUBC17008661654190$ 450 Specify Solder Tabs FREE Charge I-.. SOAAA$ 8954N800AR$11954KR-1300SC$1195 4N-11OAA$ 7954KR1000AES 12954KR-1500SC$1395 4N-150N$ 8954KR1100AAE$17954KR1800SCE$1800 4N200AAAS 8954KR1200AE$13954N-1400SCR$1600 4N-225AE$12954KR1400AE$16954N-1700SCRC$1995 4N-270AA$ 7954KR-1700AE$19954KR2000C$2000 4N-600AA$ 8954N-6SOSC$13954KR4400D$3400 4KR800AAE$11954N-600SCR$13954KRSOOODEL$4200 4KR-600AE$10954N-1000SCR$1595 5 CELL RECEIVER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack 0 FUTABAJ$400AIRTRONICS$400 FUTABAG$400JR/HITEC5400 8N600AA w f8..$1S95 SN600AA icks 3 5 8KR800AAE0520001 stick 2$2000 8N600AA sticks 2 15959N600AA icks 3 .. $1800 8KR800AAE quare$20009KR800AAE108 volt$2200 6volt12AH$1200]l2volt7OAH$1500 Add $400 shipping & handling 7% sales tax/or Florida residents TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 1-800-346-0601 FAX 407 682-4469 DEALERS INQUIRIES WELCOME January 1994 27 APLP YOUR BATTERY STORE CATALOGS BEST IN SCALE Best Scale3400 ASP Model Aircraft Plans HandbookSS00 ASP Scale Drawing Plans Book3500 RC Model World Plans & Construction guide$600 VIII Gann Plans Book$800 PLEASE AD $200 FOR POSTAGE Call 909 883 3959 ror credit card orders CLASSIC SCALE 1/3RD TIGER MOTH Exact scale Real Tiger froanllie full size aircraft S & ACCESSORIES AVAIL PLANS $55 00 $5 00 PP Bob Holman Box 741 San Berdo CA 92402 organized flying site outside town field two paved runways place park lots open space very windy morning no else flying Takeoffs wind quick Landings scary done right almost no ground speed much like White Sands time over much harder surface Once landed plane often blew over wingtip brother-in-law got little buddy-box time gusts made difficult know whether wind commanding plane next destination Santa Fe Some phoning got contact Royal City R/C Club soon directions flying field south town two brothers wife couple kids visited field two evenings both times last couple hours before sunset RCRCC field has long narrow paved runway pit area tables windbreak shelter slightly hilly area lots wide-open spaces both visits field saw no other modelers over 7000 feet above sea level approach speeds noticeably higher takeoff rolls assisted headwind longer accustomed Once air Mirage handled just about expected Flying gentle predictable Thanks higher-pitch prop turning faster less-dense air mild aerobatics performed much would sea level see test results have problems accelerated stalls stalls turn resulting snap roll outside previous trips other planes Mirage no matter hard hauled around refused let go snap out elegant flying site visited flew other modelers inside Chatfield State Park near Denver Colorado field built maintained Jefco Aeromodelers has Continued page 32 30 Model Aviation gelCawley Continued paqe 27 forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMS CaRa Products PO Box 221 on SD 57013 55 9875924 W Nra 9-12 27 Central Time SASE information ers inquiries invited 00 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CuT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. first time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates old Bow 40 52 Available Power supply required Guaranteed out perform rest Simnly best OF DESIGN IN LAKE DRIVE 90068 Wood Hand Selected Fiberglass Cowl Complete Plans Parts Hand Cut Instruction Manual Photo Page order kits call 1-800-327-7198 catalog fine kits send $400 Idaho Residents Add 5% State Sales Tax MiragelCawley Continued page 30 two expansive paved runways pit tables flight stations separated frequencies lots airspace large covered area picnic tables Spectators welcome picnic area Because busy field ran biggest technical problem trip Ostensibly due interference generated audio portion television station channel 4 channels 20 21 have banned Denver area Guess channel Mirage 20 course So thats couldnt find flight station process finding out safety officer finally offered shut whole field down could fly after having come far Talk about accommodating rather embarrassed cause others having wait least knew wouldnt waiting trying get engine started got some favorable comments about well little Electric flewapparently myth Electrics dont work high altitudes prevalent Denver too Tests Because curious perhaps just because Im engineer started doing static tests various propellers location using 30A panel meter current measurement trusty AccuTach rpm purchase Normark digital fish scale allowed thrust tests via hook-the-scale-to-the-tailwheel method table can see something bit surprising As expected motor ran faster higher altitudes therefore bit lower current because less-dense air surprise measured thrust stayed nearly same regardless altitude least precision scale reads nearest ounce tests done indoors temperature low 70s power system mounted Mirage ammeter Continued poge 37 VINYLWRITE CUSTOM LElTERING Providing elegant time saving economical finishing touch modelers U TO APPLY Our lettering comes prespaced aligned-saving hours cutting fuss aligning individual letters decal text custom computer cut 3M premium cast vin 2 mils thin24 colors typestylesinc MilitaryBlockel/4to 12 highStencil Mask color outliningas & 15 well stars symbols & much morel prices can easily affordll PfEL Off Thf CARIII TIM AMA VINYLWRITE CUSTOM LETTERING 16043 Tulsa Street Granada Hills CA 91344___________________ 818 363-7131 10AM 4PM Pacific Mon thru Thur 32 Model Aviation ple AMA er 1/2 high $150 1 high $250 2 high $350 P&H CA res add tax lISP MCI AlKalI YOUR Call write complete info YOU RE 0001pack & sample ITS FREE Custom Letter Today MAIL ORDER ONLY MAGNIFICENT BEAUTY 1/5 scale Stinson SR-8 1001117 lbs Les Heidrichs Model Mirage/Cawley Continued page 32 between battery speed control two 1400SCR battery packs should noted tests same size prop made same individual prop tried take readings representative middle part run however voltmeter used Conclusions corresponding Ed Westbrook does much experimenting theorizing about electric propeller twisters learned results should surprising fact simply confirm what Mirage trying tell flew power system would deliver about same amount power air appropriate prop choice general flight performance would vary little regardless altitude Ed summed up analysis experience quite succinctly letters Moral operating higher altitude load current increased pitch. let rpm fall may thrust will take care itself As mentioned flights tended shorter think due mostly fighting wind having use power go wanted go Flying under windy conditions sometimes made landings bit dicey did have some repairing especially after botched landing Santa Fe knocked whole tail section off elegant demo RC flying brothers glad APC props available Alamogordo Denver flying successful future trip Id like try floatflying high mountain lakes have try floats first Id also like try fly meadow atop Wolf Creek Pass Colorado over 11000 feet above sea level Based flying worked past summer have no doubt will fine Next time go trip high country take Electric plane along y l Can Anybody Teach Mold Fiberglass Yes Can plug mold part comprehensive video discusses materials techniques tips making molding experience successful Its easier think $3495 plus $450 Shipping & Handling e Glast Developments Corporation 1944 Neva Dr Dayton OH 45414 00-821-3283 Fax 513-274-7267 Airplane Design Performance Modeler GIVE BOOK FOR CHRISTMAS book must model airplane ROLL builder flyers library covers model airplane design performance modeler mind Instead complicated 1 mathematics 280 pages numerous illustrations examples used Topics arranged sequence leads illustrated example design radio control model airplane Early Developments Terminology AerodynamicsToll FreeOrders r MC VISA & Stability Control Performance Design 1-800-364-BOOK Author Chevalierprofessor emeritus aerospace engineering Check M 0 Challenge Engineering Inc 50 years model building flying AMA 7503PO Box 67 $2495 shipping handingTX residents New Baden TX 77870 add tax -- US currency January1994 37 Simply Dust. Tested 8809 Metera Muffler Thinks its pipe Still Moat Effective Muffler above statements made Clarence Lee Don Lowe Howard Cr/spin FIR Tech Support 2fl-117-0792 TOME LOCAL IEAIB U ALL ceinplete catalog mmd self addressed 75C stamped #10 envelope 18200 credfled 1st eider DAVIS MOIEL PREDICTS li 141 MR eFd CT OHUD 317-1MI J1PLAJV jFO 7nE MOD1
Edition: Model Aviation - 1994/01
Page Numbers: 23, 24, 27, 30, 32, 37
Travels Wit MIRAGE U Bernard Cawley Jr j e took three-week vacation sunny Southwest New Mexico Colorado past summer visit family friends room take along two planes hopes getting some flying selected wife Avis faithful Goldberg Mirage 550 well its third year frequent flying newly-completed Idealair Elf 1 -20E come along Mirage normally doesnt use folding prop lent itself propeller experimentation received attention got airtime prop experimentation important ask Well destinations ranged about 3000 feet bit over 7000 feet above sea level experience prior trip told January1994 23 Experimenting High Altitude Goldberg Mirage 550 correct prop choices Electric would have virtually sea-level performance higher altitudes wanted approach subject little scientifically time did number rpm current thrust tests several locations would like write piece analyzes high altitude propeller selection other flying considerations still have much learn article will describe places Mirage flew little about flew some test analysis did try understand flew way did First bit about plane So experienced E-power types will have frame reference Carl Goldberg Mirage 550 basically stock built wife Avis working 89 Nats Taylorcraft airframe modifications stouter still fixed tail wheel replacement fiberglass cowl Fiberglass Master power system recent Astro 05 cobalt runs quite assortment six- yes six cell packs though flights made using two Sanyo 1400 SCR packs power controlled Flightec SEC-I throttle current sealevel prop choice 8 x 4 APC flying grass sand remove two-inch Electra-Lite wheels came kit put 23¼-inch Lite Rites All-up weight big wheels 47 ounces giving wing loading 146 ounces per square foot brought along APC props ranged 8 x 4 8 x 6 9 x 4 9 x 6 As turned out Mirage flew different altitudes 8 x 5 APC later Flew flew Mirage five different locations Las Cruces New Mexico elevation approx 4000 feet White Sands National Monument near Alamogordo New Mexico approx 4000 feet Carlsbad New Mexico approx 3300 feet Santa Fe New Mexico 7000 feet Chatfield State Park south Denver Colorado about 5300 feet Las Cruces flying site schoolyard about size two soccer Continued page 27 VISION 8P 8SP UPGRADES End Soon! havent Vision ATRCS transmitter up graded may last chance upgrade increases number setups 8 plus allows setup named Also adds failsafe positions Futaba PPM FM receiver capability Up grade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup infonnation plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems Laboratories 238 So Hiliview Drive Milpitas CA 95035 408 946-4142 Name Arv City State ____ Zip 30 upgrades ______ x $9500 l CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $450 checkMaster Card VISA Card # ExpiresUpgrades End December 31 1993 24 Model Aviation gelCawley Continued page 24 fields surrounded obstacles damp gusty evening shortly after thunderstorm temperature probably 80s flights first trip Based first tests decided use 8 x 5 prop Because close quarters knowing what expect plane such altitude first flight nerve-wracking After hand-launch some climbing found flying bit shaky first soon became comfortable some successful touch and-gos ROG rise-off-ground grass some mild aerobatics done end after three flights confident flying higher altitudes would just fine fun Mirage White Sands National Monument windy evening Once again recently rained temperature probably low 80s hour before sunset flew Mirage top dune near picnic areas wind strong enough takeoffs dune made almost no ground roll touch-and-gos done almost full throttle flights shorter usual full power lots down trim necessary make much progress upwind However ioops Immelmanns easy back home sea level got number favorable comments other people picnic area did know model airplanes could flown electric motors common perception Ive noticed whenever fly places other model flying fields have found people really like quiet clean models will recount stories comment about noisy ones exposed flew before Its great way get interest long flight area clear people Carlsbad brother-in-law took Continued page 30 Authorized SAffdYO Distributor STANDARD SIZECAPACITY mAhDIA HTWEIGHT ozPRICE N-5OAAA1/3AAA50394591012$ 165 N-1SONN1504531122032150 N-110AA1/3AA110551650028150 N-200AAAAAA2003941720035175 N-270AA2/3AA2705511161050$ 150 N-600AAAA6005431945092$ 150 N-6SOSC1/2SUBC6508661016102300 KR-1300SCSIJBC13008661654170S 200 KR-1500SCSUBC15008661654166$ 300 KR2000CC20009921929247400 KD-4400DD4400127223625305 700 KR-7000FF700012723543813$1300 HIGH CAPACITY N225AE1/3A225 650642042$ 300 KR600AE2/3A600 6501094077$ 200 KR800AAE AA800 5431949085$ 250 KR1000AE4/SA1000 6501654109S 295 KR1100AAE7/SAA1100 5432530106$ 325 KR1200AE A1200 6501909106$ 295 KR1400AE A1400 65019091095 395 KR1700AE4/3A1700 6502598148S 495 KR1800SCESUBC1800 8661654165$ 350 KR2800CE C2800 9921929275595 KRSOOODEL D500012722299528S 895 FAST CHARGE N600SCR1/2SUBC6008661016102$ 325 N800SCR 6501909116$ 300 N1000SCR2/3SUBC100086612991445 350 N1400SCRSUBC14008661654187S 350 N1700SCRCSUBC17008661654190$ 450 Specify Solder Tabs FREE Charge I-.. SOAAA$ 8954N800AR$11954KR-1300SC$1195 4N-11OAA$ 7954KR1000AES 12954KR-1500SC$1395 4N-150N$ 8954KR1100AAE$17954KR1800SCE$1800 4N200AAAS 8954KR1200AE$13954N-1400SCR$1600 4N-225AE$12954KR1400AE$16954N-1700SCRC$1995 4N-270AA$ 7954KR-1700AE$19954KR2000C$2000 4N-600AA$ 8954N-6SOSC$13954KR4400D$3400 4KR800AAE$11954N-600SCR$13954KRSOOODEL$4200 4KR-600AE$10954N-1000SCR$1595 5 CELL RECEIVER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack 0 FUTABAJ$400AIRTRONICS$400 FUTABAG$400JR/HITEC5400 8N600AA w f8..$1S95 SN600AA icks 3 5 8KR800AAE0520001 stick 2$2000 8N600AA sticks 2 15959N600AA icks 3 .. $1800 8KR800AAE quare$20009KR800AAE108 volt$2200 6volt12AH$1200]l2volt7OAH$1500 Add $400 shipping & handling 7% sales tax/or Florida residents TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 1-800-346-0601 FAX 407 682-4469 DEALERS INQUIRIES WELCOME January 1994 27 APLP YOUR BATTERY STORE CATALOGS BEST IN SCALE Best Scale3400 ASP Model Aircraft Plans HandbookSS00 ASP Scale Drawing Plans Book3500 RC Model World Plans & Construction guide$600 VIII Gann Plans Book$800 PLEASE AD $200 FOR POSTAGE Call 909 883 3959 ror credit card orders CLASSIC SCALE 1/3RD TIGER MOTH Exact scale Real Tiger froanllie full size aircraft S & ACCESSORIES AVAIL PLANS $55 00 $5 00 PP Bob Holman Box 741 San Berdo CA 92402 organized flying site outside town field two paved runways place park lots open space very windy morning no else flying Takeoffs wind quick Landings scary done right almost no ground speed much like White Sands time over much harder surface Once landed plane often blew over wingtip brother-in-law got little buddy-box time gusts made difficult know whether wind commanding plane next destination Santa Fe Some phoning got contact Royal City R/C Club soon directions flying field south town two brothers wife couple kids visited field two evenings both times last couple hours before sunset RCRCC field has long narrow paved runway pit area tables windbreak shelter slightly hilly area lots wide-open spaces both visits field saw no other modelers over 7000 feet above sea level approach speeds noticeably higher takeoff rolls assisted headwind longer accustomed Once air Mirage handled just about expected Flying gentle predictable Thanks higher-pitch prop turning faster less-dense air mild aerobatics performed much would sea level see test results have problems accelerated stalls stalls turn resulting snap roll outside previous trips other planes Mirage no matter hard hauled around refused let go snap out elegant flying site visited flew other modelers inside Chatfield State Park near Denver Colorado field built maintained Jefco Aeromodelers has Continued page 32 30 Model Aviation gelCawley Continued paqe 27 forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMS CaRa Products PO Box 221 on SD 57013 55 9875924 W Nra 9-12 27 Central Time SASE information ers inquiries invited 00 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CuT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. first time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates old Bow 40 52 Available Power supply required Guaranteed out perform rest Simnly best OF DESIGN IN LAKE DRIVE 90068 Wood Hand Selected Fiberglass Cowl Complete Plans Parts Hand Cut Instruction Manual Photo Page order kits call 1-800-327-7198 catalog fine kits send $400 Idaho Residents Add 5% State Sales Tax MiragelCawley Continued page 30 two expansive paved runways pit tables flight stations separated frequencies lots airspace large covered area picnic tables Spectators welcome picnic area Because busy field ran biggest technical problem trip Ostensibly due interference generated audio portion television station channel 4 channels 20 21 have banned Denver area Guess channel Mirage 20 course So thats couldnt find flight station process finding out safety officer finally offered shut whole field down could fly after having come far Talk about accommodating rather embarrassed cause others having wait least knew wouldnt waiting trying get engine started got some favorable comments about well little Electric flewapparently myth Electrics dont work high altitudes prevalent Denver too Tests Because curious perhaps just because Im engineer started doing static tests various propellers location using 30A panel meter current measurement trusty AccuTach rpm purchase Normark digital fish scale allowed thrust tests via hook-the-scale-to-the-tailwheel method table can see something bit surprising As expected motor ran faster higher altitudes therefore bit lower current because less-dense air surprise measured thrust stayed nearly same regardless altitude least precision scale reads nearest ounce tests done indoors temperature low 70s power system mounted Mirage ammeter Continued poge 37 VINYLWRITE CUSTOM LElTERING Providing elegant time saving economical finishing touch modelers U TO APPLY Our lettering comes prespaced aligned-saving hours cutting fuss aligning individual letters decal text custom computer cut 3M premium cast vin 2 mils thin24 colors typestylesinc MilitaryBlockel/4to 12 highStencil Mask color outliningas & 15 well stars symbols & much morel prices can easily affordll PfEL Off Thf CARIII TIM AMA VINYLWRITE CUSTOM LETTERING 16043 Tulsa Street Granada Hills CA 91344___________________ 818 363-7131 10AM 4PM Pacific Mon thru Thur 32 Model Aviation ple AMA er 1/2 high $150 1 high $250 2 high $350 P&H CA res add tax lISP MCI AlKalI YOUR Call write complete info YOU RE 0001pack & sample ITS FREE Custom Letter Today MAIL ORDER ONLY MAGNIFICENT BEAUTY 1/5 scale Stinson SR-8 1001117 lbs Les Heidrichs Model Mirage/Cawley Continued page 32 between battery speed control two 1400SCR battery packs should noted tests same size prop made same individual prop tried take readings representative middle part run however voltmeter used Conclusions corresponding Ed Westbrook does much experimenting theorizing about electric propeller twisters learned results should surprising fact simply confirm what Mirage trying tell flew power system would deliver about same amount power air appropriate prop choice general flight performance would vary little regardless altitude Ed summed up analysis experience quite succinctly letters Moral operating higher altitude load current increased pitch. let rpm fall may thrust will take care itself As mentioned flights tended shorter think due mostly fighting wind having use power go wanted go Flying under windy conditions sometimes made landings bit dicey did have some repairing especially after botched landing Santa Fe knocked whole tail section off elegant demo RC flying brothers glad APC props available Alamogordo Denver flying successful future trip Id like try floatflying high mountain lakes have try floats first Id also like try fly meadow atop Wolf Creek Pass Colorado over 11000 feet above sea level Based flying worked past summer have no doubt will fine Next time go trip high country take Electric plane along y l Can Anybody Teach Mold Fiberglass Yes Can plug mold part comprehensive video discusses materials techniques tips making molding experience successful Its easier think $3495 plus $450 Shipping & Handling e Glast Developments Corporation 1944 Neva Dr Dayton OH 45414 00-821-3283 Fax 513-274-7267 Airplane Design Performance Modeler GIVE BOOK FOR CHRISTMAS book must model airplane ROLL builder flyers library covers model airplane design performance modeler mind Instead complicated 1 mathematics 280 pages numerous illustrations examples used Topics arranged sequence leads illustrated example design radio control model airplane Early Developments Terminology AerodynamicsToll FreeOrders r MC VISA & Stability Control Performance Design 1-800-364-BOOK Author Chevalierprofessor emeritus aerospace engineering Check M 0 Challenge Engineering Inc 50 years model building flying AMA 7503PO Box 67 $2495 shipping handingTX residents New Baden TX 77870 add tax -- US currency January1994 37 Simply Dust. Tested 8809 Metera Muffler Thinks its pipe Still Moat Effective Muffler above statements made Clarence Lee Don Lowe Howard Cr/spin FIR Tech Support 2fl-117-0792 TOME LOCAL IEAIB U ALL ceinplete catalog mmd self addressed 75C stamped #10 envelope 18200 credfled 1st eider DAVIS MOIEL PREDICTS li 141 MR eFd CT OHUD 317-1MI J1PLAJV jFO 7nE MOD1
Edition: Model Aviation - 1994/01
Page Numbers: 23, 24, 27, 30, 32, 37
Travels Wit MIRAGE U Bernard Cawley Jr j e took three-week vacation sunny Southwest New Mexico Colorado past summer visit family friends room take along two planes hopes getting some flying selected wife Avis faithful Goldberg Mirage 550 well its third year frequent flying newly-completed Idealair Elf 1 -20E come along Mirage normally doesnt use folding prop lent itself propeller experimentation received attention got airtime prop experimentation important ask Well destinations ranged about 3000 feet bit over 7000 feet above sea level experience prior trip told January1994 23 Experimenting High Altitude Goldberg Mirage 550 correct prop choices Electric would have virtually sea-level performance higher altitudes wanted approach subject little scientifically time did number rpm current thrust tests several locations would like write piece analyzes high altitude propeller selection other flying considerations still have much learn article will describe places Mirage flew little about flew some test analysis did try understand flew way did First bit about plane So experienced E-power types will have frame reference Carl Goldberg Mirage 550 basically stock built wife Avis working 89 Nats Taylorcraft airframe modifications stouter still fixed tail wheel replacement fiberglass cowl Fiberglass Master power system recent Astro 05 cobalt runs quite assortment six- yes six cell packs though flights made using two Sanyo 1400 SCR packs power controlled Flightec SEC-I throttle current sealevel prop choice 8 x 4 APC flying grass sand remove two-inch Electra-Lite wheels came kit put 23¼-inch Lite Rites All-up weight big wheels 47 ounces giving wing loading 146 ounces per square foot brought along APC props ranged 8 x 4 8 x 6 9 x 4 9 x 6 As turned out Mirage flew different altitudes 8 x 5 APC later Flew flew Mirage five different locations Las Cruces New Mexico elevation approx 4000 feet White Sands National Monument near Alamogordo New Mexico approx 4000 feet Carlsbad New Mexico approx 3300 feet Santa Fe New Mexico 7000 feet Chatfield State Park south Denver Colorado about 5300 feet Las Cruces flying site schoolyard about size two soccer Continued page 27 VISION 8P 8SP UPGRADES End Soon! havent Vision ATRCS transmitter up graded may last chance upgrade increases number setups 8 plus allows setup named Also adds failsafe positions Futaba PPM FM receiver capability Up grade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup infonnation plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems Laboratories 238 So Hiliview Drive Milpitas CA 95035 408 946-4142 Name Arv City State ____ Zip 30 upgrades ______ x $9500 l CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $450 checkMaster Card VISA Card # ExpiresUpgrades End December 31 1993 24 Model Aviation gelCawley Continued page 24 fields surrounded obstacles damp gusty evening shortly after thunderstorm temperature probably 80s flights first trip Based first tests decided use 8 x 5 prop Because close quarters knowing what expect plane such altitude first flight nerve-wracking After hand-launch some climbing found flying bit shaky first soon became comfortable some successful touch and-gos ROG rise-off-ground grass some mild aerobatics done end after three flights confident flying higher altitudes would just fine fun Mirage White Sands National Monument windy evening Once again recently rained temperature probably low 80s hour before sunset flew Mirage top dune near picnic areas wind strong enough takeoffs dune made almost no ground roll touch-and-gos done almost full throttle flights shorter usual full power lots down trim necessary make much progress upwind However ioops Immelmanns easy back home sea level got number favorable comments other people picnic area did know model airplanes could flown electric motors common perception Ive noticed whenever fly places other model flying fields have found people really like quiet clean models will recount stories comment about noisy ones exposed flew before Its great way get interest long flight area clear people Carlsbad brother-in-law took Continued page 30 Authorized SAffdYO Distributor STANDARD SIZECAPACITY mAhDIA HTWEIGHT ozPRICE N-5OAAA1/3AAA50394591012$ 165 N-1SONN1504531122032150 N-110AA1/3AA110551650028150 N-200AAAAAA2003941720035175 N-270AA2/3AA2705511161050$ 150 N-600AAAA6005431945092$ 150 N-6SOSC1/2SUBC6508661016102300 KR-1300SCSIJBC13008661654170S 200 KR-1500SCSUBC15008661654166$ 300 KR2000CC20009921929247400 KD-4400DD4400127223625305 700 KR-7000FF700012723543813$1300 HIGH CAPACITY N225AE1/3A225 650642042$ 300 KR600AE2/3A600 6501094077$ 200 KR800AAE AA800 5431949085$ 250 KR1000AE4/SA1000 6501654109S 295 KR1100AAE7/SAA1100 5432530106$ 325 KR1200AE A1200 6501909106$ 295 KR1400AE A1400 65019091095 395 KR1700AE4/3A1700 6502598148S 495 KR1800SCESUBC1800 8661654165$ 350 KR2800CE C2800 9921929275595 KRSOOODEL D500012722299528S 895 FAST CHARGE N600SCR1/2SUBC6008661016102$ 325 N800SCR 6501909116$ 300 N1000SCR2/3SUBC100086612991445 350 N1400SCRSUBC14008661654187S 350 N1700SCRCSUBC17008661654190$ 450 Specify Solder Tabs FREE Charge I-.. SOAAA$ 8954N800AR$11954KR-1300SC$1195 4N-11OAA$ 7954KR1000AES 12954KR-1500SC$1395 4N-150N$ 8954KR1100AAE$17954KR1800SCE$1800 4N200AAAS 8954KR1200AE$13954N-1400SCR$1600 4N-225AE$12954KR1400AE$16954N-1700SCRC$1995 4N-270AA$ 7954KR-1700AE$19954KR2000C$2000 4N-600AA$ 8954N-6SOSC$13954KR4400D$3400 4KR800AAE$11954N-600SCR$13954KRSOOODEL$4200 4KR-600AE$10954N-1000SCR$1595 5 CELL RECEIVER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack 0 FUTABAJ$400AIRTRONICS$400 FUTABAG$400JR/HITEC5400 8N600AA w f8..$1S95 SN600AA icks 3 5 8KR800AAE0520001 stick 2$2000 8N600AA sticks 2 15959N600AA icks 3 .. $1800 8KR800AAE quare$20009KR800AAE108 volt$2200 6volt12AH$1200]l2volt7OAH$1500 Add $400 shipping & handling 7% sales tax/or Florida residents TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 1-800-346-0601 FAX 407 682-4469 DEALERS INQUIRIES WELCOME January 1994 27 APLP YOUR BATTERY STORE CATALOGS BEST IN SCALE Best Scale3400 ASP Model Aircraft Plans HandbookSS00 ASP Scale Drawing Plans Book3500 RC Model World Plans & Construction guide$600 VIII Gann Plans Book$800 PLEASE AD $200 FOR POSTAGE Call 909 883 3959 ror credit card orders CLASSIC SCALE 1/3RD TIGER MOTH Exact scale Real Tiger froanllie full size aircraft S & ACCESSORIES AVAIL PLANS $55 00 $5 00 PP Bob Holman Box 741 San Berdo CA 92402 organized flying site outside town field two paved runways place park lots open space very windy morning no else flying Takeoffs wind quick Landings scary done right almost no ground speed much like White Sands time over much harder surface Once landed plane often blew over wingtip brother-in-law got little buddy-box time gusts made difficult know whether wind commanding plane next destination Santa Fe Some phoning got contact Royal City R/C Club soon directions flying field south town two brothers wife couple kids visited field two evenings both times last couple hours before sunset RCRCC field has long narrow paved runway pit area tables windbreak shelter slightly hilly area lots wide-open spaces both visits field saw no other modelers over 7000 feet above sea level approach speeds noticeably higher takeoff rolls assisted headwind longer accustomed Once air Mirage handled just about expected Flying gentle predictable Thanks higher-pitch prop turning faster less-dense air mild aerobatics performed much would sea level see test results have problems accelerated stalls stalls turn resulting snap roll outside previous trips other planes Mirage no matter hard hauled around refused let go snap out elegant flying site visited flew other modelers inside Chatfield State Park near Denver Colorado field built maintained Jefco Aeromodelers has Continued page 32 30 Model Aviation gelCawley Continued paqe 27 forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMS CaRa Products PO Box 221 on SD 57013 55 9875924 W Nra 9-12 27 Central Time SASE information ers inquiries invited 00 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CuT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. first time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates old Bow 40 52 Available Power supply required Guaranteed out perform rest Simnly best OF DESIGN IN LAKE DRIVE 90068 Wood Hand Selected Fiberglass Cowl Complete Plans Parts Hand Cut Instruction Manual Photo Page order kits call 1-800-327-7198 catalog fine kits send $400 Idaho Residents Add 5% State Sales Tax MiragelCawley Continued page 30 two expansive paved runways pit tables flight stations separated frequencies lots airspace large covered area picnic tables Spectators welcome picnic area Because busy field ran biggest technical problem trip Ostensibly due interference generated audio portion television station channel 4 channels 20 21 have banned Denver area Guess channel Mirage 20 course So thats couldnt find flight station process finding out safety officer finally offered shut whole field down could fly after having come far Talk about accommodating rather embarrassed cause others having wait least knew wouldnt waiting trying get engine started got some favorable comments about well little Electric flewapparently myth Electrics dont work high altitudes prevalent Denver too Tests Because curious perhaps just because Im engineer started doing static tests various propellers location using 30A panel meter current measurement trusty AccuTach rpm purchase Normark digital fish scale allowed thrust tests via hook-the-scale-to-the-tailwheel method table can see something bit surprising As expected motor ran faster higher altitudes therefore bit lower current because less-dense air surprise measured thrust stayed nearly same regardless altitude least precision scale reads nearest ounce tests done indoors temperature low 70s power system mounted Mirage ammeter Continued poge 37 VINYLWRITE CUSTOM LElTERING Providing elegant time saving economical finishing touch modelers U TO APPLY Our lettering comes prespaced aligned-saving hours cutting fuss aligning individual letters decal text custom computer cut 3M premium cast vin 2 mils thin24 colors typestylesinc MilitaryBlockel/4to 12 highStencil Mask color outliningas & 15 well stars symbols & much morel prices can easily affordll PfEL Off Thf CARIII TIM AMA VINYLWRITE CUSTOM LETTERING 16043 Tulsa Street Granada Hills CA 91344___________________ 818 363-7131 10AM 4PM Pacific Mon thru Thur 32 Model Aviation ple AMA er 1/2 high $150 1 high $250 2 high $350 P&H CA res add tax lISP MCI AlKalI YOUR Call write complete info YOU RE 0001pack & sample ITS FREE Custom Letter Today MAIL ORDER ONLY MAGNIFICENT BEAUTY 1/5 scale Stinson SR-8 1001117 lbs Les Heidrichs Model Mirage/Cawley Continued page 32 between battery speed control two 1400SCR battery packs should noted tests same size prop made same individual prop tried take readings representative middle part run however voltmeter used Conclusions corresponding Ed Westbrook does much experimenting theorizing about electric propeller twisters learned results should surprising fact simply confirm what Mirage trying tell flew power system would deliver about same amount power air appropriate prop choice general flight performance would vary little regardless altitude Ed summed up analysis experience quite succinctly letters Moral operating higher altitude load current increased pitch. let rpm fall may thrust will take care itself As mentioned flights tended shorter think due mostly fighting wind having use power go wanted go Flying under windy conditions sometimes made landings bit dicey did have some repairing especially after botched landing Santa Fe knocked whole tail section off elegant demo RC flying brothers glad APC props available Alamogordo Denver flying successful future trip Id like try floatflying high mountain lakes have try floats first Id also like try fly meadow atop Wolf Creek Pass Colorado over 11000 feet above sea level Based flying worked past summer have no doubt will fine Next time go trip high country take Electric plane along y l Can Anybody Teach Mold Fiberglass Yes Can plug mold part comprehensive video discusses materials techniques tips making molding experience successful Its easier think $3495 plus $450 Shipping & Handling e Glast Developments Corporation 1944 Neva Dr Dayton OH 45414 00-821-3283 Fax 513-274-7267 Airplane Design Performance Modeler GIVE BOOK FOR CHRISTMAS book must model airplane ROLL builder flyers library covers model airplane design performance modeler mind Instead complicated 1 mathematics 280 pages numerous illustrations examples used Topics arranged sequence leads illustrated example design radio control model airplane Early Developments Terminology AerodynamicsToll FreeOrders r MC VISA & Stability Control Performance Design 1-800-364-BOOK Author Chevalierprofessor emeritus aerospace engineering Check M 0 Challenge Engineering Inc 50 years model building flying AMA 7503PO Box 67 $2495 shipping handingTX residents New Baden TX 77870 add tax -- US currency January1994 37 Simply Dust. Tested 8809 Metera Muffler Thinks its pipe Still Moat Effective Muffler above statements made Clarence Lee Don Lowe Howard Cr/spin FIR Tech Support 2fl-117-0792 TOME LOCAL IEAIB U ALL ceinplete catalog mmd self addressed 75C stamped #10 envelope 18200 credfled 1st eider DAVIS MOIEL PREDICTS li 141 MR eFd CT OHUD 317-1MI J1PLAJV jFO 7nE MOD1
Edition: Model Aviation - 1994/01
Page Numbers: 23, 24, 27, 30, 32, 37
Travels Wit MIRAGE U Bernard Cawley Jr j e took three-week vacation sunny Southwest New Mexico Colorado past summer visit family friends room take along two planes hopes getting some flying selected wife Avis faithful Goldberg Mirage 550 well its third year frequent flying newly-completed Idealair Elf 1 -20E come along Mirage normally doesnt use folding prop lent itself propeller experimentation received attention got airtime prop experimentation important ask Well destinations ranged about 3000 feet bit over 7000 feet above sea level experience prior trip told January1994 23 Experimenting High Altitude Goldberg Mirage 550 correct prop choices Electric would have virtually sea-level performance higher altitudes wanted approach subject little scientifically time did number rpm current thrust tests several locations would like write piece analyzes high altitude propeller selection other flying considerations still have much learn article will describe places Mirage flew little about flew some test analysis did try understand flew way did First bit about plane So experienced E-power types will have frame reference Carl Goldberg Mirage 550 basically stock built wife Avis working 89 Nats Taylorcraft airframe modifications stouter still fixed tail wheel replacement fiberglass cowl Fiberglass Master power system recent Astro 05 cobalt runs quite assortment six- yes six cell packs though flights made using two Sanyo 1400 SCR packs power controlled Flightec SEC-I throttle current sealevel prop choice 8 x 4 APC flying grass sand remove two-inch Electra-Lite wheels came kit put 23¼-inch Lite Rites All-up weight big wheels 47 ounces giving wing loading 146 ounces per square foot brought along APC props ranged 8 x 4 8 x 6 9 x 4 9 x 6 As turned out Mirage flew different altitudes 8 x 5 APC later Flew flew Mirage five different locations Las Cruces New Mexico elevation approx 4000 feet White Sands National Monument near Alamogordo New Mexico approx 4000 feet Carlsbad New Mexico approx 3300 feet Santa Fe New Mexico 7000 feet Chatfield State Park south Denver Colorado about 5300 feet Las Cruces flying site schoolyard about size two soccer Continued page 27 VISION 8P 8SP UPGRADES End Soon! havent Vision ATRCS transmitter up graded may last chance upgrade increases number setups 8 plus allows setup named Also adds failsafe positions Futaba PPM FM receiver capability Up grade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup infonnation plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems Laboratories 238 So Hiliview Drive Milpitas CA 95035 408 946-4142 Name Arv City State ____ Zip 30 upgrades ______ x $9500 l CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $450 checkMaster Card VISA Card # ExpiresUpgrades End December 31 1993 24 Model Aviation gelCawley Continued page 24 fields surrounded obstacles damp gusty evening shortly after thunderstorm temperature probably 80s flights first trip Based first tests decided use 8 x 5 prop Because close quarters knowing what expect plane such altitude first flight nerve-wracking After hand-launch some climbing found flying bit shaky first soon became comfortable some successful touch and-gos ROG rise-off-ground grass some mild aerobatics done end after three flights confident flying higher altitudes would just fine fun Mirage White Sands National Monument windy evening Once again recently rained temperature probably low 80s hour before sunset flew Mirage top dune near picnic areas wind strong enough takeoffs dune made almost no ground roll touch-and-gos done almost full throttle flights shorter usual full power lots down trim necessary make much progress upwind However ioops Immelmanns easy back home sea level got number favorable comments other people picnic area did know model airplanes could flown electric motors common perception Ive noticed whenever fly places other model flying fields have found people really like quiet clean models will recount stories comment about noisy ones exposed flew before Its great way get interest long flight area clear people Carlsbad brother-in-law took Continued page 30 Authorized SAffdYO Distributor STANDARD SIZECAPACITY mAhDIA HTWEIGHT ozPRICE N-5OAAA1/3AAA50394591012$ 165 N-1SONN1504531122032150 N-110AA1/3AA110551650028150 N-200AAAAAA2003941720035175 N-270AA2/3AA2705511161050$ 150 N-600AAAA6005431945092$ 150 N-6SOSC1/2SUBC6508661016102300 KR-1300SCSIJBC13008661654170S 200 KR-1500SCSUBC15008661654166$ 300 KR2000CC20009921929247400 KD-4400DD4400127223625305 700 KR-7000FF700012723543813$1300 HIGH CAPACITY N225AE1/3A225 650642042$ 300 KR600AE2/3A600 6501094077$ 200 KR800AAE AA800 5431949085$ 250 KR1000AE4/SA1000 6501654109S 295 KR1100AAE7/SAA1100 5432530106$ 325 KR1200AE A1200 6501909106$ 295 KR1400AE A1400 65019091095 395 KR1700AE4/3A1700 6502598148S 495 KR1800SCESUBC1800 8661654165$ 350 KR2800CE C2800 9921929275595 KRSOOODEL D500012722299528S 895 FAST CHARGE N600SCR1/2SUBC6008661016102$ 325 N800SCR 6501909116$ 300 N1000SCR2/3SUBC100086612991445 350 N1400SCRSUBC14008661654187S 350 N1700SCRCSUBC17008661654190$ 450 Specify Solder Tabs FREE Charge I-.. SOAAA$ 8954N800AR$11954KR-1300SC$1195 4N-11OAA$ 7954KR1000AES 12954KR-1500SC$1395 4N-150N$ 8954KR1100AAE$17954KR1800SCE$1800 4N200AAAS 8954KR1200AE$13954N-1400SCR$1600 4N-225AE$12954KR1400AE$16954N-1700SCRC$1995 4N-270AA$ 7954KR-1700AE$19954KR2000C$2000 4N-600AA$ 8954N-6SOSC$13954KR4400D$3400 4KR800AAE$11954N-600SCR$13954KRSOOODEL$4200 4KR-600AE$10954N-1000SCR$1595 5 CELL RECEIVER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack 0 FUTABAJ$400AIRTRONICS$400 FUTABAG$400JR/HITEC5400 8N600AA w f8..$1S95 SN600AA icks 3 5 8KR800AAE0520001 stick 2$2000 8N600AA sticks 2 15959N600AA icks 3 .. $1800 8KR800AAE quare$20009KR800AAE108 volt$2200 6volt12AH$1200]l2volt7OAH$1500 Add $400 shipping & handling 7% sales tax/or Florida residents TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 1-800-346-0601 FAX 407 682-4469 DEALERS INQUIRIES WELCOME January 1994 27 APLP YOUR BATTERY STORE CATALOGS BEST IN SCALE Best Scale3400 ASP Model Aircraft Plans HandbookSS00 ASP Scale Drawing Plans Book3500 RC Model World Plans & Construction guide$600 VIII Gann Plans Book$800 PLEASE AD $200 FOR POSTAGE Call 909 883 3959 ror credit card orders CLASSIC SCALE 1/3RD TIGER MOTH Exact scale Real Tiger froanllie full size aircraft S & ACCESSORIES AVAIL PLANS $55 00 $5 00 PP Bob Holman Box 741 San Berdo CA 92402 organized flying site outside town field two paved runways place park lots open space very windy morning no else flying Takeoffs wind quick Landings scary done right almost no ground speed much like White Sands time over much harder surface Once landed plane often blew over wingtip brother-in-law got little buddy-box time gusts made difficult know whether wind commanding plane next destination Santa Fe Some phoning got contact Royal City R/C Club soon directions flying field south town two brothers wife couple kids visited field two evenings both times last couple hours before sunset RCRCC field has long narrow paved runway pit area tables windbreak shelter slightly hilly area lots wide-open spaces both visits field saw no other modelers over 7000 feet above sea level approach speeds noticeably higher takeoff rolls assisted headwind longer accustomed Once air Mirage handled just about expected Flying gentle predictable Thanks higher-pitch prop turning faster less-dense air mild aerobatics performed much would sea level see test results have problems accelerated stalls stalls turn resulting snap roll outside previous trips other planes Mirage no matter hard hauled around refused let go snap out elegant flying site visited flew other modelers inside Chatfield State Park near Denver Colorado field built maintained Jefco Aeromodelers has Continued page 32 30 Model Aviation gelCawley Continued paqe 27 forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMS CaRa Products PO Box 221 on SD 57013 55 9875924 W Nra 9-12 27 Central Time SASE information ers inquiries invited 00 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CuT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. first time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates old Bow 40 52 Available Power supply required Guaranteed out perform rest Simnly best OF DESIGN IN LAKE DRIVE 90068 Wood Hand Selected Fiberglass Cowl Complete Plans Parts Hand Cut Instruction Manual Photo Page order kits call 1-800-327-7198 catalog fine kits send $400 Idaho Residents Add 5% State Sales Tax MiragelCawley Continued page 30 two expansive paved runways pit tables flight stations separated frequencies lots airspace large covered area picnic tables Spectators welcome picnic area Because busy field ran biggest technical problem trip Ostensibly due interference generated audio portion television station channel 4 channels 20 21 have banned Denver area Guess channel Mirage 20 course So thats couldnt find flight station process finding out safety officer finally offered shut whole field down could fly after having come far Talk about accommodating rather embarrassed cause others having wait least knew wouldnt waiting trying get engine started got some favorable comments about well little Electric flewapparently myth Electrics dont work high altitudes prevalent Denver too Tests Because curious perhaps just because Im engineer started doing static tests various propellers location using 30A panel meter current measurement trusty AccuTach rpm purchase Normark digital fish scale allowed thrust tests via hook-the-scale-to-the-tailwheel method table can see something bit surprising As expected motor ran faster higher altitudes therefore bit lower current because less-dense air surprise measured thrust stayed nearly same regardless altitude least precision scale reads nearest ounce tests done indoors temperature low 70s power system mounted Mirage ammeter Continued poge 37 VINYLWRITE CUSTOM LElTERING Providing elegant time saving economical finishing touch modelers U TO APPLY Our lettering comes prespaced aligned-saving hours cutting fuss aligning individual letters decal text custom computer cut 3M premium cast vin 2 mils thin24 colors typestylesinc MilitaryBlockel/4to 12 highStencil Mask color outliningas & 15 well stars symbols & much morel prices can easily affordll PfEL Off Thf CARIII TIM AMA VINYLWRITE CUSTOM LETTERING 16043 Tulsa Street Granada Hills CA 91344___________________ 818 363-7131 10AM 4PM Pacific Mon thru Thur 32 Model Aviation ple AMA er 1/2 high $150 1 high $250 2 high $350 P&H CA res add tax lISP MCI AlKalI YOUR Call write complete info YOU RE 0001pack & sample ITS FREE Custom Letter Today MAIL ORDER ONLY MAGNIFICENT BEAUTY 1/5 scale Stinson SR-8 1001117 lbs Les Heidrichs Model Mirage/Cawley Continued page 32 between battery speed control two 1400SCR battery packs should noted tests same size prop made same individual prop tried take readings representative middle part run however voltmeter used Conclusions corresponding Ed Westbrook does much experimenting theorizing about electric propeller twisters learned results should surprising fact simply confirm what Mirage trying tell flew power system would deliver about same amount power air appropriate prop choice general flight performance would vary little regardless altitude Ed summed up analysis experience quite succinctly letters Moral operating higher altitude load current increased pitch. let rpm fall may thrust will take care itself As mentioned flights tended shorter think due mostly fighting wind having use power go wanted go Flying under windy conditions sometimes made landings bit dicey did have some repairing especially after botched landing Santa Fe knocked whole tail section off elegant demo RC flying brothers glad APC props available Alamogordo Denver flying successful future trip Id like try floatflying high mountain lakes have try floats first Id also like try fly meadow atop Wolf Creek Pass Colorado over 11000 feet above sea level Based flying worked past summer have no doubt will fine Next time go trip high country take Electric plane along y l Can Anybody Teach Mold Fiberglass Yes Can plug mold part comprehensive video discusses materials techniques tips making molding experience successful Its easier think $3495 plus $450 Shipping & Handling e Glast Developments Corporation 1944 Neva Dr Dayton OH 45414 00-821-3283 Fax 513-274-7267 Airplane Design Performance Modeler GIVE BOOK FOR CHRISTMAS book must model airplane ROLL builder flyers library covers model airplane design performance modeler mind Instead complicated 1 mathematics 280 pages numerous illustrations examples used Topics arranged sequence leads illustrated example design radio control model airplane Early Developments Terminology AerodynamicsToll FreeOrders r MC VISA & Stability Control Performance Design 1-800-364-BOOK Author Chevalierprofessor emeritus aerospace engineering Check M 0 Challenge Engineering Inc 50 years model building flying AMA 7503PO Box 67 $2495 shipping handingTX residents New Baden TX 77870 add tax -- US currency January1994 37 Simply Dust. Tested 8809 Metera Muffler Thinks its pipe Still Moat Effective Muffler above statements made Clarence Lee Don Lowe Howard Cr/spin FIR Tech Support 2fl-117-0792 TOME LOCAL IEAIB U ALL ceinplete catalog mmd self addressed 75C stamped #10 envelope 18200 credfled 1st eider DAVIS MOIEL PREDICTS li 141 MR eFd CT OHUD 317-1MI J1PLAJV jFO 7nE MOD1
Edition: Model Aviation - 1994/01
Page Numbers: 23, 24, 27, 30, 32, 37
Travels Wit MIRAGE U Bernard Cawley Jr j e took three-week vacation sunny Southwest New Mexico Colorado past summer visit family friends room take along two planes hopes getting some flying selected wife Avis faithful Goldberg Mirage 550 well its third year frequent flying newly-completed Idealair Elf 1 -20E come along Mirage normally doesnt use folding prop lent itself propeller experimentation received attention got airtime prop experimentation important ask Well destinations ranged about 3000 feet bit over 7000 feet above sea level experience prior trip told January1994 23 Experimenting High Altitude Goldberg Mirage 550 correct prop choices Electric would have virtually sea-level performance higher altitudes wanted approach subject little scientifically time did number rpm current thrust tests several locations would like write piece analyzes high altitude propeller selection other flying considerations still have much learn article will describe places Mirage flew little about flew some test analysis did try understand flew way did First bit about plane So experienced E-power types will have frame reference Carl Goldberg Mirage 550 basically stock built wife Avis working 89 Nats Taylorcraft airframe modifications stouter still fixed tail wheel replacement fiberglass cowl Fiberglass Master power system recent Astro 05 cobalt runs quite assortment six- yes six cell packs though flights made using two Sanyo 1400 SCR packs power controlled Flightec SEC-I throttle current sealevel prop choice 8 x 4 APC flying grass sand remove two-inch Electra-Lite wheels came kit put 23¼-inch Lite Rites All-up weight big wheels 47 ounces giving wing loading 146 ounces per square foot brought along APC props ranged 8 x 4 8 x 6 9 x 4 9 x 6 As turned out Mirage flew different altitudes 8 x 5 APC later Flew flew Mirage five different locations Las Cruces New Mexico elevation approx 4000 feet White Sands National Monument near Alamogordo New Mexico approx 4000 feet Carlsbad New Mexico approx 3300 feet Santa Fe New Mexico 7000 feet Chatfield State Park south Denver Colorado about 5300 feet Las Cruces flying site schoolyard about size two soccer Continued page 27 VISION 8P 8SP UPGRADES End Soon! havent Vision ATRCS transmitter up graded may last chance upgrade increases number setups 8 plus allows setup named Also adds failsafe positions Futaba PPM FM receiver capability Up grade Vision 85P get additional improvements including flap stick reverse cross trims elevator camber VTR enhancements just $9500 plus shipping tax applicable Well record re-load current setup infonnation plus send hardcopy records order fill out form send transmitter less battery antenna RF module Control Systems Laboratories 238 So Hiliview Drive Milpitas CA 95035 408 946-4142 Name Arv City State ____ Zip 30 upgrades ______ x $9500 l CA sales tax applicable Shipping $500 ground $1000 2nd day Total Acceptable payment methods COD add $450 checkMaster Card VISA Card # ExpiresUpgrades End December 31 1993 24 Model Aviation gelCawley Continued page 24 fields surrounded obstacles damp gusty evening shortly after thunderstorm temperature probably 80s flights first trip Based first tests decided use 8 x 5 prop Because close quarters knowing what expect plane such altitude first flight nerve-wracking After hand-launch some climbing found flying bit shaky first soon became comfortable some successful touch and-gos ROG rise-off-ground grass some mild aerobatics done end after three flights confident flying higher altitudes would just fine fun Mirage White Sands National Monument windy evening Once again recently rained temperature probably low 80s hour before sunset flew Mirage top dune near picnic areas wind strong enough takeoffs dune made almost no ground roll touch-and-gos done almost full throttle flights shorter usual full power lots down trim necessary make much progress upwind However ioops Immelmanns easy back home sea level got number favorable comments other people picnic area did know model airplanes could flown electric motors common perception Ive noticed whenever fly places other model flying fields have found people really like quiet clean models will recount stories comment about noisy ones exposed flew before Its great way get interest long flight area clear people Carlsbad brother-in-law took Continued page 30 Authorized SAffdYO Distributor STANDARD SIZECAPACITY mAhDIA HTWEIGHT ozPRICE N-5OAAA1/3AAA50394591012$ 165 N-1SONN1504531122032150 N-110AA1/3AA110551650028150 N-200AAAAAA2003941720035175 N-270AA2/3AA2705511161050$ 150 N-600AAAA6005431945092$ 150 N-6SOSC1/2SUBC6508661016102300 KR-1300SCSIJBC13008661654170S 200 KR-1500SCSUBC15008661654166$ 300 KR2000CC20009921929247400 KD-4400DD4400127223625305 700 KR-7000FF700012723543813$1300 HIGH CAPACITY N225AE1/3A225 650642042$ 300 KR600AE2/3A600 6501094077$ 200 KR800AAE AA800 5431949085$ 250 KR1000AE4/SA1000 6501654109S 295 KR1100AAE7/SAA1100 5432530106$ 325 KR1200AE A1200 6501909106$ 295 KR1400AE A1400 65019091095 395 KR1700AE4/3A1700 6502598148S 495 KR1800SCESUBC1800 8661654165$ 350 KR2800CE C2800 9921929275595 KRSOOODEL D500012722299528S 895 FAST CHARGE N600SCR1/2SUBC6008661016102$ 325 N800SCR 6501909116$ 300 N1000SCR2/3SUBC100086612991445 350 N1400SCRSUBC14008661654187S 350 N1700SCRCSUBC17008661654190$ 450 Specify Solder Tabs FREE Charge I-.. SOAAA$ 8954N800AR$11954KR-1300SC$1195 4N-11OAA$ 7954KR1000AES 12954KR-1500SC$1395 4N-150N$ 8954KR1100AAE$17954KR1800SCE$1800 4N200AAAS 8954KR1200AE$13954N-1400SCR$1600 4N-225AE$12954KR1400AE$16954N-1700SCRC$1995 4N-270AA$ 7954KR-1700AE$19954KR2000C$2000 4N-600AA$ 8954N-6SOSC$13954KR4400D$3400 4KR800AAE$11954N-600SCR$13954KRSOOODEL$4200 4KR-600AE$10954N-1000SCR$1595 5 CELL RECEIVER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack 0 FUTABAJ$400AIRTRONICS$400 FUTABAG$400JR/HITEC5400 8N600AA w f8..$1S95 SN600AA icks 3 5 8KR800AAE0520001 stick 2$2000 8N600AA sticks 2 15959N600AA icks 3 .. $1800 8KR800AAE quare$20009KR800AAE108 volt$2200 6volt12AH$1200]l2volt7OAH$1500 Add $400 shipping & handling 7% sales tax/or Florida residents TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 1-800-346-0601 FAX 407 682-4469 DEALERS INQUIRIES WELCOME January 1994 27 APLP YOUR BATTERY STORE CATALOGS BEST IN SCALE Best Scale3400 ASP Model Aircraft Plans HandbookSS00 ASP Scale Drawing Plans Book3500 RC Model World Plans & Construction guide$600 VIII Gann Plans Book$800 PLEASE AD $200 FOR POSTAGE Call 909 883 3959 ror credit card orders CLASSIC SCALE 1/3RD TIGER MOTH Exact scale Real Tiger froanllie full size aircraft S & ACCESSORIES AVAIL PLANS $55 00 $5 00 PP Bob Holman Box 741 San Berdo CA 92402 organized flying site outside town field two paved runways place park lots open space very windy morning no else flying Takeoffs wind quick Landings scary done right almost no ground speed much like White Sands time over much harder surface Once landed plane often blew over wingtip brother-in-law got little buddy-box time gusts made difficult know whether wind commanding plane next destination Santa Fe Some phoning got contact Royal City R/C Club soon directions flying field south town two brothers wife couple kids visited field two evenings both times last couple hours before sunset RCRCC field has long narrow paved runway pit area tables windbreak shelter slightly hilly area lots wide-open spaces both visits field saw no other modelers over 7000 feet above sea level approach speeds noticeably higher takeoff rolls assisted headwind longer accustomed Once air Mirage handled just about expected Flying gentle predictable Thanks higher-pitch prop turning faster less-dense air mild aerobatics performed much would sea level see test results have problems accelerated stalls stalls turn resulting snap roll outside previous trips other planes Mirage no matter hard hauled around refused let go snap out elegant flying site visited flew other modelers inside Chatfield State Park near Denver Colorado field built maintained Jefco Aeromodelers has Continued page 32 30 Model Aviation gelCawley Continued paqe 27 forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMS CaRa Products PO Box 221 on SD 57013 55 9875924 W Nra 9-12 27 Central Time SASE information ers inquiries invited 00 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CuT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. first time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates old Bow 40 52 Available Power supply required Guaranteed out perform rest Simnly best OF DESIGN IN LAKE DRIVE 90068 Wood Hand Selected Fiberglass Cowl Complete Plans Parts Hand Cut Instruction Manual Photo Page order kits call 1-800-327-7198 catalog fine kits send $400 Idaho Residents Add 5% State Sales Tax MiragelCawley Continued page 30 two expansive paved runways pit tables flight stations separated frequencies lots airspace large covered area picnic tables Spectators welcome picnic area Because busy field ran biggest technical problem trip Ostensibly due interference generated audio portion television station channel 4 channels 20 21 have banned Denver area Guess channel Mirage 20 course So thats couldnt find flight station process finding out safety officer finally offered shut whole field down could fly after having come far Talk about accommodating rather embarrassed cause others having wait least knew wouldnt waiting trying get engine started got some favorable comments about well little Electric flewapparently myth Electrics dont work high altitudes prevalent Denver too Tests Because curious perhaps just because Im engineer started doing static tests various propellers location using 30A panel meter current measurement trusty AccuTach rpm purchase Normark digital fish scale allowed thrust tests via hook-the-scale-to-the-tailwheel method table can see something bit surprising As expected motor ran faster higher altitudes therefore bit lower current because less-dense air surprise measured thrust stayed nearly same regardless altitude least precision scale reads nearest ounce tests done indoors temperature low 70s power system mounted Mirage ammeter Continued poge 37 VINYLWRITE CUSTOM LElTERING Providing elegant time saving economical finishing touch modelers U TO APPLY Our lettering comes prespaced aligned-saving hours cutting fuss aligning individual letters decal text custom computer cut 3M premium cast vin 2 mils thin24 colors typestylesinc MilitaryBlockel/4to 12 highStencil Mask color outliningas & 15 well stars symbols & much morel prices can easily affordll PfEL Off Thf CARIII TIM AMA VINYLWRITE CUSTOM LETTERING 16043 Tulsa Street Granada Hills CA 91344___________________ 818 363-7131 10AM 4PM Pacific Mon thru Thur 32 Model Aviation ple AMA er 1/2 high $150 1 high $250 2 high $350 P&H CA res add tax lISP MCI AlKalI YOUR Call write complete info YOU RE 0001pack & sample ITS FREE Custom Letter Today MAIL ORDER ONLY MAGNIFICENT BEAUTY 1/5 scale Stinson SR-8 1001117 lbs Les Heidrichs Model Mirage/Cawley Continued page 32 between battery speed control two 1400SCR battery packs should noted tests same size prop made same individual prop tried take readings representative middle part run however voltmeter used Conclusions corresponding Ed Westbrook does much experimenting theorizing about electric propeller twisters learned results should surprising fact simply confirm what Mirage trying tell flew power system would deliver about same amount power air appropriate prop choice general flight performance would vary little regardless altitude Ed summed up analysis experience quite succinctly letters Moral operating higher altitude load current increased pitch. let rpm fall may thrust will take care itself As mentioned flights tended shorter think due mostly fighting wind having use power go wanted go Flying under windy conditions sometimes made landings bit dicey did have some repairing especially after botched landing Santa Fe knocked whole tail section off elegant demo RC flying brothers glad APC props available Alamogordo Denver flying successful future trip Id like try floatflying high mountain lakes have try floats first Id also like try fly meadow atop Wolf Creek Pass Colorado over 11000 feet above sea level Based flying worked past summer have no doubt will fine Next time go trip high country take Electric plane along y l Can Anybody Teach Mold Fiberglass Yes Can plug mold part comprehensive video discusses materials techniques tips making molding experience successful Its easier think $3495 plus $450 Shipping & Handling e Glast Developments Corporation 1944 Neva Dr Dayton OH 45414 00-821-3283 Fax 513-274-7267 Airplane Design Performance Modeler GIVE BOOK FOR CHRISTMAS book must model airplane ROLL builder flyers library covers model airplane design performance modeler mind Instead complicated 1 mathematics 280 pages numerous illustrations examples used Topics arranged sequence leads illustrated example design radio control model airplane Early Developments Terminology AerodynamicsToll FreeOrders r MC VISA & Stability Control Performance Design 1-800-364-BOOK Author Chevalierprofessor emeritus aerospace engineering Check M 0 Challenge Engineering Inc 50 years model building flying AMA 7503PO Box 67 $2495 shipping handingTX residents New Baden TX 77870 add tax -- US currency January1994 37 Simply Dust. Tested 8809 Metera Muffler Thinks its pipe Still Moat Effective Muffler above statements made Clarence Lee Don Lowe Howard Cr/spin FIR Tech Support 2fl-117-0792 TOME LOCAL IEAIB U ALL ceinplete catalog mmd self addressed 75C stamped #10 envelope 18200 credfled 1st eider DAVIS MOIEL PREDICTS li 141 MR eFd CT OHUD 317-1MI J1PLAJV jFO 7nE MOD1