George M Myers AMAS GOLD STAR PROGRAM nounced reports November 1985 Frequency Committee meeting first put operation George P Steiner IMF show San Francisco Fred Marks continued effort WRAM show NY Gold Star program voluntary program trans mitter inspections AMA member bring transmitters trade show check AMA booth Volunteers examine transmitters emission character istics report back object twofold 1 find out well badly rig performing 2 build up data base transmitters actually service Fifty-two transmitters monitored WRAM show 16 failed larger number could have handled werent sub mitted Once again high failure rate 31% leads us suspect seeing primarily sport transmitters ing properly maintained Remember last month reported George P Steiners test results 98 transmitters showed least 40% failure rate Toledo will next small samples mean anything telling us about / transmitters use need service Working latest computerized spectrum analyzers 1983 Nats two peo ple able accept enter data test log data report verbally affix tag trans mitter 45 seconds Thats rate 80 per hourtill get tired Actually checked about 600 10 hours spread over four days consider sales figures over past 10 years may six seven million transmitters Out need retun ing and/or repair Realistically cant depend service centers Futaba Airtronics Circus Hobbies Ace R/C few regional operators like Pete Waters get job done Simple math ematics tells transmitters question will junked before anyone gets around working Now what answer makes sense publish transmitter specifications need hold depend people find ways meet Competi tion fliers will respond less /2% failures Nats Manufacturers will respond Most competition fliers Nats have new radios AMA frequency committee circulat ing draft version Required Operating Characteristics ROC comment right now made final well make sure everyone can get copy Probably well han dle like did frequency flag sheet new channels 1983 might part frequency flag sheet 1988 As far what can about transmitters now own may wary FCC has removed restriction licensed commercial operators work transmitters So now can go local electronics engineer amateur radio practi tioner radio/TV fixit shop whatever ROC may also contain recommend edtest setups procedures set up job correctly can get done approach spreads work out among thousands shops what needs done can done have nothing lose interference troubles Anyhow Gold Star test station issues AMA certification sticker transmitters pass Pass case means output frequency within tolerance other emissions least 30 dB below fundamental general sidebands Hz found -45 dB AM sets -50 dB FM sets -60 -90 dB PCM sets depending manufacturer negative number narrower better purposes bandwidth transmitter some sentiment across-theboard -60 dB better requirement Hz right now thats isa sentiment remains seen AM FM transmitters can tuned easily modified tight can may see ROC Everyone will benefit transmit ters narrow-band cai energy sidebands tells much transmitter likely interfere receivers adjacent channels say likely because wideband receiver will inter fered cases proper narrowband receiver will have problem AMA Gold Star program action WRAM show L People L-R Bill Raub Round Valley RC NJ Paul Tannura WRAM member Fred Marks AMA Frequency Committee chairman explaining operation H P7000 Spectrum analyzerlHP7O2O6A Dlsplqy Leo Kane RVRC seated instrument Jack lazzetta RVRC standing behind Leo Ronald Morgan Scotland PATe Howard McEntee Memorial Award medal bestowed author George M Myers R Mrs Eleanor McEntee Clark has personally presented medal given Fellow looking rear Bob Foshay Photo Bob Aberle 36 Model Aviation Gold Star sticker arrow Airtronics transmitter shows has tested AMA has radio-transmission char acteristics within FCC specs Watch AMA Gold Star testing nearby trade showits free AMA doing Gold Star program receivers right now ROC will definitely address receivers personal opin ion have expressed time again key future new receiver No will have tell replace present receiver cost inter ference suffer gets high enough youll replace intelligent radio Blue Sky stuff Right about now people trying hard invent next generation RC receiver should have excellent adjacent-channel rejec tion should bothered Image Third Order problems should have great tolerance local EMI Electro-Magnetic Interference should iespond AM FM intended should small cheap light durable other good things Id like add item wish list radio should intelligent What mean intelligent radio think intelligent radio should respond control signals its owners transmitter something like way good dog responds its owners whistle regardless surrounding noise example lets say neighbors bought garage door openers discovered same RC channel isnt nightmare very likely happen can come down street punch button little trans mitter watch garage door open Because transmitter sends code number garage receiver recog nizes valid Thats works right now can garage door openers shouldnt much RC systems Going step further single con trol pulse identifying code wed talking about spread spectrum code could say control pulse being re ceived system would able work interference blocked reception part frame part time Responses might slow up little servos wouldnt jitter run someplace shouldnt glitch would shown total loss communication could dealt failsafe mode Futaba does now PCM important point system would degrade slowly presence inter ference would go off doing strange things itself now case Thats what call intelligent behavior expect next generation RC trans mitters will contain microcomputers just save money see WRAM show report microcomputers cheap telligent radio should easy Getting data transmission shouldnt prob lem Look people working 72 MHz RF modems discussed last month can solve problems include problems transfer technol ogy RC systems should simple have mentioned idea radio manu facturer couple importers seed planted Lets see what germinates Howard MeEntee Memorial Award WRAMs honored Howard McEntee Memorial Award medal 1986 WRAM show am No 14 short list includes Maynard Hill Ed Lorenz Bill Walt Good Don Mathes andDoug Spreng Bob Dunham Phil Kraft Gerry Nelson Hal deBolt Paul Runge Bob Aberle Nick Ziroli Continued page 142 * MOST EXITING PRODUCT INTRODUCED TO THE R/C FIELD *DEMONSTRATED AT MS SHOW IN LOS ANGELES WITH RAVE REVIEWS *REFLECTS ITS NAME THEY ARE EASY HINGES TO INSTALL *A SINGLE SLOT AND FEW DROPS OF C/A GLUE DO YOU HATE TO INSTALL HINGES GOUGING PINNING BAKING SODA OR HINGE PINS TO WORRY ABOUT * VIRTUALLY INDESTRUCTIBLE DESIGNED FOR GIANT SCALE Lake Hobbles * AVAILABLE FROM YOUR HOBBY DEALEREASADiOnOfLakeEflpflae Sn Marco Ca 92069 *$295 PER PACKAGE OF 24 HINGESHINGES6197441932 Save Money lable semi-kit $129 00 supply wood hardware High Performance Amphibian $18900 As Featured March 86 RCM Magazine wing span44 wing area609 sq length56 weight65 lbs engine40- 46 2 cycle radio4 channel BOB PARKINSON FLYING MODELS RRI Queens VIII Ontario LOG IRO CanaJa Tel416478-2632 Please add $20 00 ship handling Dealer Inquiries Invited June1986 37 FORD FLIVVER NEW 1 48 SCALE PLASTIC MODEL KIT Henry Fords Model T Air 1926 FORD FLIVVER powered French three-cylinder Anzani engine capable 85 miles per hour aircraft exists today Dearborn Michigan Ford Museum KIT FEATURES INJECTION-MOLDED PARTS REHENSIVE INSTRUCTIONS LS FOR MARKINGS GOLDEN AGE SERIES LLASSEND $2 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CALIFORNIA 92069 unique aircraft today has added line delta wing kits designed Lsddle Mikulasko fully aerobatic off both water end land one-piece fiberglass fuselage cowl fairing wing-tip fiosts precision machine-out foam delta wing assembles quickly eesily4 oz lighter origInal balsa version Unplug landing gear Iwater-tight nose wheel mount factory inatalledi fly off water snow ice addition floats skila Stability wind penetration overafl performance combined un believably low landing speed make Noithsts 2001 beat designs yet kit has build teat flown Laddie Mikulesko complete approval 9 Munson Avenue P C MODEL SUPPLY Bethany CT 06525 203 393-2934 Flight-Proven DesignsSend Brochure Balsa ConstructIon 5-6 lbs Cessna 150 40 Powered 62 Easy Const uction 10-15 brat Stable Fliers Mooney 40 Powered 62Scale Its Appearance Slow Flying Capabilities Cherokee 40 Powered 60 9 ea plus $250 UP5 Contest Proven place Cherokee Scale2OO~ plus 800 shipping Ken Barnes Cessna 15025 Powered 5038 plus $250 upS Firemaster Bipe5667 lbs 80 Powered 6996 Introductory Pricel Pack Kat 25 powered sport flyer low w ng span 44 Intro Price $2600 MasterCard Coming Seen 60 Powered Pattern ShipsDealers Invited MASTER AIRSCREW Z~RAIR REW 12x8 Folder1195 15x12 Folder .. 1295 05 Direct Drive Prop Adapter395 Available thru Dealer WINDSOR PROPELLER CO 384 Tesconi Ct Santa Rosa CA 95401 DGA Designs 00 DGA00 DC4 Designs 0 0 0 C o5 oU 0 0 U C 0 1 OUARTER SCALE PLANS Ouarter Master Sport Bipe $21 Ouadra 35. 73Span.E-Z build. Great Flyer.5Seml-Kit Anailable.PPO 00 DAVIS DIK 905Span.s25 Ouadra 35 power similar. PD 01933 KINNEFt SPORTSTER U Model K.117 Span.035 power. Pea 4-CYCLE PROJECTS 0 o v AKRON FUNK SI 15 Scale 54 span 80 sizeSl 4 cyCle Fantastic FivePPD ____0 DAVIS DlKhh 603 Spar.D 45 4 cyCle Similar..Pea s15 hoc Inch wale Sixth scale3l _____________0 1933 KINNER SPORTSTER5 ID Model K.7a Span. 51-754 cy Pea ap PhotO reduced 14 Scale plans o TWO Inch scate Seth scale 0________0 Mere 004 plane0 coming PHOTO DOCUMENTATION PACKS availableon Scale Plans SI ALL PLANS ROLLED SHIPPED UPS O Complete wlnstrOcf ion SookICt Send siDO Catalog O Nem York State Residents add 7% sales tax. Send check 5 O MO COOS. Allow 3meeke chesktocleer U length engine run given amount fuel laminations made Elmers woodworking glue After carving sanding prop rubbed-on coat clear dope used seal After rubbing down steel wool finished clear polyurethane spray can final balance sprayed little finish onto lighter blade beginner get experienced RC flier test-fly model First check flight pack battery sufficient charge see controls work freely respond correctly radio signals Fill tank Cox fuel fire up engine bring peak rpm richen needle valve just trifle Hand-launch model gently shoulder height level attitude directly wind running few steps Later after needed trimming has done can launch flat-footed Im mediately make necessary transmitter trim adjustments two models flew virtually no trimming needed model flies smoothly climbs well responsive control movements loops easily will spin stalled given full-left full-up control Recovery immediate controls neutralized proper trim transmitter Henry T flies hands-off Takeoffs landings particularly enjoyable because model tracks straight little tendency veer ground loop fly buoyant air prepared long glide extended soaring try fly model misaligned warped surface balance point CG rearward spar location cautious use down-flap settingsuse sparingly Several friends have discussed building enlarged versions model usually 6-ft-span size 15 engine writing own preference something larger would near-6-ft-span version altered airfoil having shallow convex lower surface operable flaps ailerons 40-size four-stroke engine Henry T has given lots pleas ure hours relaxed air time abso lutely minimum cost decide build good luck pleasant flying Radio Technique/Myers Continued page 37 Carl Goldberg Bob Novak Descriptions honorees accomplishments presented article November 1985 issue Flying Models page 32 et seq award memorializes Howard McEntee great early creators RC hobby Beginning articles single-channel RC 27255 MHz published Air Trails early 1950s continuing column American Air craft Modeller till time death summer 1972 Howard McEntee patiently educated whole generation modelers including Howard became famous publishing designs transmitters receivers actuators etc worked Radio Tech nique modeled anything modeled Howards writings award given have made significant contribution RC hobby Looking names above wonder what have contributed deserve honor best can figure 10 years have covered lot subjects have thank letters experts novators have shared knowledge could give accurate timely informa tion Carl Wheeley Bill Winter Ross McMullen giving wide latitude pick ing subjects column Bob Aberle ing friend critic needed John Worth advice Good Lord putting position write could use particular education experiences advantage examining understanding RC problems write about humbly thank Bob Foshay Mrs Clark WRAMs honor George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Electric Condor/deBolt Continued page 40 motor on-off microswitch oper ated simple cam arrangement offers large dead band eliminating need precise finicky adjustments original cam made sheet alumi num 1/5$ ply would work well cam servo locate switch plywood correct operation oc 142 Model Aviation HARRYS WHEEL COLLAR WRENCH hardened steel FOR 15 AXLES 5/32 AXLES LARGER AXlES S279 EACH HARRY B HIGLEY 8 SONS INC p o Box 532 GLENWOOD ILL 60425 U miJu ml i ICI
Edition: Model Aviation - 1986/06
Page Numbers: 36, 37, 142
George M Myers AMAS GOLD STAR PROGRAM nounced reports November 1985 Frequency Committee meeting first put operation George P Steiner IMF show San Francisco Fred Marks continued effort WRAM show NY Gold Star program voluntary program trans mitter inspections AMA member bring transmitters trade show check AMA booth Volunteers examine transmitters emission character istics report back object twofold 1 find out well badly rig performing 2 build up data base transmitters actually service Fifty-two transmitters monitored WRAM show 16 failed larger number could have handled werent sub mitted Once again high failure rate 31% leads us suspect seeing primarily sport transmitters ing properly maintained Remember last month reported George P Steiners test results 98 transmitters showed least 40% failure rate Toledo will next small samples mean anything telling us about / transmitters use need service Working latest computerized spectrum analyzers 1983 Nats two peo ple able accept enter data test log data report verbally affix tag trans mitter 45 seconds Thats rate 80 per hourtill get tired Actually checked about 600 10 hours spread over four days consider sales figures over past 10 years may six seven million transmitters Out need retun ing and/or repair Realistically cant depend service centers Futaba Airtronics Circus Hobbies Ace R/C few regional operators like Pete Waters get job done Simple math ematics tells transmitters question will junked before anyone gets around working Now what answer makes sense publish transmitter specifications need hold depend people find ways meet Competi tion fliers will respond less /2% failures Nats Manufacturers will respond Most competition fliers Nats have new radios AMA frequency committee circulat ing draft version Required Operating Characteristics ROC comment right now made final well make sure everyone can get copy Probably well han dle like did frequency flag sheet new channels 1983 might part frequency flag sheet 1988 As far what can about transmitters now own may wary FCC has removed restriction licensed commercial operators work transmitters So now can go local electronics engineer amateur radio practi tioner radio/TV fixit shop whatever ROC may also contain recommend edtest setups procedures set up job correctly can get done approach spreads work out among thousands shops what needs done can done have nothing lose interference troubles Anyhow Gold Star test station issues AMA certification sticker transmitters pass Pass case means output frequency within tolerance other emissions least 30 dB below fundamental general sidebands Hz found -45 dB AM sets -50 dB FM sets -60 -90 dB PCM sets depending manufacturer negative number narrower better purposes bandwidth transmitter some sentiment across-theboard -60 dB better requirement Hz right now thats isa sentiment remains seen AM FM transmitters can tuned easily modified tight can may see ROC Everyone will benefit transmit ters narrow-band cai energy sidebands tells much transmitter likely interfere receivers adjacent channels say likely because wideband receiver will inter fered cases proper narrowband receiver will have problem AMA Gold Star program action WRAM show L People L-R Bill Raub Round Valley RC NJ Paul Tannura WRAM member Fred Marks AMA Frequency Committee chairman explaining operation H P7000 Spectrum analyzerlHP7O2O6A Dlsplqy Leo Kane RVRC seated instrument Jack lazzetta RVRC standing behind Leo Ronald Morgan Scotland PATe Howard McEntee Memorial Award medal bestowed author George M Myers R Mrs Eleanor McEntee Clark has personally presented medal given Fellow looking rear Bob Foshay Photo Bob Aberle 36 Model Aviation Gold Star sticker arrow Airtronics transmitter shows has tested AMA has radio-transmission char acteristics within FCC specs Watch AMA Gold Star testing nearby trade showits free AMA doing Gold Star program receivers right now ROC will definitely address receivers personal opin ion have expressed time again key future new receiver No will have tell replace present receiver cost inter ference suffer gets high enough youll replace intelligent radio Blue Sky stuff Right about now people trying hard invent next generation RC receiver should have excellent adjacent-channel rejec tion should bothered Image Third Order problems should have great tolerance local EMI Electro-Magnetic Interference should iespond AM FM intended should small cheap light durable other good things Id like add item wish list radio should intelligent What mean intelligent radio think intelligent radio should respond control signals its owners transmitter something like way good dog responds its owners whistle regardless surrounding noise example lets say neighbors bought garage door openers discovered same RC channel isnt nightmare very likely happen can come down street punch button little trans mitter watch garage door open Because transmitter sends code number garage receiver recog nizes valid Thats works right now can garage door openers shouldnt much RC systems Going step further single con trol pulse identifying code wed talking about spread spectrum code could say control pulse being re ceived system would able work interference blocked reception part frame part time Responses might slow up little servos wouldnt jitter run someplace shouldnt glitch would shown total loss communication could dealt failsafe mode Futaba does now PCM important point system would degrade slowly presence inter ference would go off doing strange things itself now case Thats what call intelligent behavior expect next generation RC trans mitters will contain microcomputers just save money see WRAM show report microcomputers cheap telligent radio should easy Getting data transmission shouldnt prob lem Look people working 72 MHz RF modems discussed last month can solve problems include problems transfer technol ogy RC systems should simple have mentioned idea radio manu facturer couple importers seed planted Lets see what germinates Howard MeEntee Memorial Award WRAMs honored Howard McEntee Memorial Award medal 1986 WRAM show am No 14 short list includes Maynard Hill Ed Lorenz Bill Walt Good Don Mathes andDoug Spreng Bob Dunham Phil Kraft Gerry Nelson Hal deBolt Paul Runge Bob Aberle Nick Ziroli Continued page 142 * MOST EXITING PRODUCT INTRODUCED TO THE R/C FIELD *DEMONSTRATED AT MS SHOW IN LOS ANGELES WITH RAVE REVIEWS *REFLECTS ITS NAME THEY ARE EASY HINGES TO INSTALL *A SINGLE SLOT AND FEW DROPS OF C/A GLUE DO YOU HATE TO INSTALL HINGES GOUGING PINNING BAKING SODA OR HINGE PINS TO WORRY ABOUT * VIRTUALLY INDESTRUCTIBLE DESIGNED FOR GIANT SCALE Lake Hobbles * AVAILABLE FROM YOUR HOBBY DEALEREASADiOnOfLakeEflpflae Sn Marco Ca 92069 *$295 PER PACKAGE OF 24 HINGESHINGES6197441932 Save Money lable semi-kit $129 00 supply wood hardware High Performance Amphibian $18900 As Featured March 86 RCM Magazine wing span44 wing area609 sq length56 weight65 lbs engine40- 46 2 cycle radio4 channel BOB PARKINSON FLYING MODELS RRI Queens VIII Ontario LOG IRO CanaJa Tel416478-2632 Please add $20 00 ship handling Dealer Inquiries Invited June1986 37 FORD FLIVVER NEW 1 48 SCALE PLASTIC MODEL KIT Henry Fords Model T Air 1926 FORD FLIVVER powered French three-cylinder Anzani engine capable 85 miles per hour aircraft exists today Dearborn Michigan Ford Museum KIT FEATURES INJECTION-MOLDED PARTS REHENSIVE INSTRUCTIONS LS FOR MARKINGS GOLDEN AGE SERIES LLASSEND $2 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CALIFORNIA 92069 unique aircraft today has added line delta wing kits designed Lsddle Mikulasko fully aerobatic off both water end land one-piece fiberglass fuselage cowl fairing wing-tip fiosts precision machine-out foam delta wing assembles quickly eesily4 oz lighter origInal balsa version Unplug landing gear Iwater-tight nose wheel mount factory inatalledi fly off water snow ice addition floats skila Stability wind penetration overafl performance combined un believably low landing speed make Noithsts 2001 beat designs yet kit has build teat flown Laddie Mikulesko complete approval 9 Munson Avenue P C MODEL SUPPLY Bethany CT 06525 203 393-2934 Flight-Proven DesignsSend Brochure Balsa ConstructIon 5-6 lbs Cessna 150 40 Powered 62 Easy Const uction 10-15 brat Stable Fliers Mooney 40 Powered 62Scale Its Appearance Slow Flying Capabilities Cherokee 40 Powered 60 9 ea plus $250 UP5 Contest Proven place Cherokee Scale2OO~ plus 800 shipping Ken Barnes Cessna 15025 Powered 5038 plus $250 upS Firemaster Bipe5667 lbs 80 Powered 6996 Introductory Pricel Pack Kat 25 powered sport flyer low w ng span 44 Intro Price $2600 MasterCard Coming Seen 60 Powered Pattern ShipsDealers Invited MASTER AIRSCREW Z~RAIR REW 12x8 Folder1195 15x12 Folder .. 1295 05 Direct Drive Prop Adapter395 Available thru Dealer WINDSOR PROPELLER CO 384 Tesconi Ct Santa Rosa CA 95401 DGA Designs 00 DGA00 DC4 Designs 0 0 0 C o5 oU 0 0 U C 0 1 OUARTER SCALE PLANS Ouarter Master Sport Bipe $21 Ouadra 35. 73Span.E-Z build. Great Flyer.5Seml-Kit Anailable.PPO 00 DAVIS DIK 905Span.s25 Ouadra 35 power similar. PD 01933 KINNEFt SPORTSTER U Model K.117 Span.035 power. Pea 4-CYCLE PROJECTS 0 o v AKRON FUNK SI 15 Scale 54 span 80 sizeSl 4 cyCle Fantastic FivePPD ____0 DAVIS DlKhh 603 Spar.D 45 4 cyCle Similar..Pea s15 hoc Inch wale Sixth scale3l _____________0 1933 KINNER SPORTSTER5 ID Model K.7a Span. 51-754 cy Pea ap PhotO reduced 14 Scale plans o TWO Inch scate Seth scale 0________0 Mere 004 plane0 coming PHOTO DOCUMENTATION PACKS availableon Scale Plans SI ALL PLANS ROLLED SHIPPED UPS O Complete wlnstrOcf ion SookICt Send siDO Catalog O Nem York State Residents add 7% sales tax. Send check 5 O MO COOS. Allow 3meeke chesktocleer U length engine run given amount fuel laminations made Elmers woodworking glue After carving sanding prop rubbed-on coat clear dope used seal After rubbing down steel wool finished clear polyurethane spray can final balance sprayed little finish onto lighter blade beginner get experienced RC flier test-fly model First check flight pack battery sufficient charge see controls work freely respond correctly radio signals Fill tank Cox fuel fire up engine bring peak rpm richen needle valve just trifle Hand-launch model gently shoulder height level attitude directly wind running few steps Later after needed trimming has done can launch flat-footed Im mediately make necessary transmitter trim adjustments two models flew virtually no trimming needed model flies smoothly climbs well responsive control movements loops easily will spin stalled given full-left full-up control Recovery immediate controls neutralized proper trim transmitter Henry T flies hands-off Takeoffs landings particularly enjoyable because model tracks straight little tendency veer ground loop fly buoyant air prepared long glide extended soaring try fly model misaligned warped surface balance point CG rearward spar location cautious use down-flap settingsuse sparingly Several friends have discussed building enlarged versions model usually 6-ft-span size 15 engine writing own preference something larger would near-6-ft-span version altered airfoil having shallow convex lower surface operable flaps ailerons 40-size four-stroke engine Henry T has given lots pleas ure hours relaxed air time abso lutely minimum cost decide build good luck pleasant flying Radio Technique/Myers Continued page 37 Carl Goldberg Bob Novak Descriptions honorees accomplishments presented article November 1985 issue Flying Models page 32 et seq award memorializes Howard McEntee great early creators RC hobby Beginning articles single-channel RC 27255 MHz published Air Trails early 1950s continuing column American Air craft Modeller till time death summer 1972 Howard McEntee patiently educated whole generation modelers including Howard became famous publishing designs transmitters receivers actuators etc worked Radio Tech nique modeled anything modeled Howards writings award given have made significant contribution RC hobby Looking names above wonder what have contributed deserve honor best can figure 10 years have covered lot subjects have thank letters experts novators have shared knowledge could give accurate timely informa tion Carl Wheeley Bill Winter Ross McMullen giving wide latitude pick ing subjects column Bob Aberle ing friend critic needed John Worth advice Good Lord putting position write could use particular education experiences advantage examining understanding RC problems write about humbly thank Bob Foshay Mrs Clark WRAMs honor George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Electric Condor/deBolt Continued page 40 motor on-off microswitch oper ated simple cam arrangement offers large dead band eliminating need precise finicky adjustments original cam made sheet alumi num 1/5$ ply would work well cam servo locate switch plywood correct operation oc 142 Model Aviation HARRYS WHEEL COLLAR WRENCH hardened steel FOR 15 AXLES 5/32 AXLES LARGER AXlES S279 EACH HARRY B HIGLEY 8 SONS INC p o Box 532 GLENWOOD ILL 60425 U miJu ml i ICI
Edition: Model Aviation - 1986/06
Page Numbers: 36, 37, 142
George M Myers AMAS GOLD STAR PROGRAM nounced reports November 1985 Frequency Committee meeting first put operation George P Steiner IMF show San Francisco Fred Marks continued effort WRAM show NY Gold Star program voluntary program trans mitter inspections AMA member bring transmitters trade show check AMA booth Volunteers examine transmitters emission character istics report back object twofold 1 find out well badly rig performing 2 build up data base transmitters actually service Fifty-two transmitters monitored WRAM show 16 failed larger number could have handled werent sub mitted Once again high failure rate 31% leads us suspect seeing primarily sport transmitters ing properly maintained Remember last month reported George P Steiners test results 98 transmitters showed least 40% failure rate Toledo will next small samples mean anything telling us about / transmitters use need service Working latest computerized spectrum analyzers 1983 Nats two peo ple able accept enter data test log data report verbally affix tag trans mitter 45 seconds Thats rate 80 per hourtill get tired Actually checked about 600 10 hours spread over four days consider sales figures over past 10 years may six seven million transmitters Out need retun ing and/or repair Realistically cant depend service centers Futaba Airtronics Circus Hobbies Ace R/C few regional operators like Pete Waters get job done Simple math ematics tells transmitters question will junked before anyone gets around working Now what answer makes sense publish transmitter specifications need hold depend people find ways meet Competi tion fliers will respond less /2% failures Nats Manufacturers will respond Most competition fliers Nats have new radios AMA frequency committee circulat ing draft version Required Operating Characteristics ROC comment right now made final well make sure everyone can get copy Probably well han dle like did frequency flag sheet new channels 1983 might part frequency flag sheet 1988 As far what can about transmitters now own may wary FCC has removed restriction licensed commercial operators work transmitters So now can go local electronics engineer amateur radio practi tioner radio/TV fixit shop whatever ROC may also contain recommend edtest setups procedures set up job correctly can get done approach spreads work out among thousands shops what needs done can done have nothing lose interference troubles Anyhow Gold Star test station issues AMA certification sticker transmitters pass Pass case means output frequency within tolerance other emissions least 30 dB below fundamental general sidebands Hz found -45 dB AM sets -50 dB FM sets -60 -90 dB PCM sets depending manufacturer negative number narrower better purposes bandwidth transmitter some sentiment across-theboard -60 dB better requirement Hz right now thats isa sentiment remains seen AM FM transmitters can tuned easily modified tight can may see ROC Everyone will benefit transmit ters narrow-band cai energy sidebands tells much transmitter likely interfere receivers adjacent channels say likely because wideband receiver will inter fered cases proper narrowband receiver will have problem AMA Gold Star program action WRAM show L People L-R Bill Raub Round Valley RC NJ Paul Tannura WRAM member Fred Marks AMA Frequency Committee chairman explaining operation H P7000 Spectrum analyzerlHP7O2O6A Dlsplqy Leo Kane RVRC seated instrument Jack lazzetta RVRC standing behind Leo Ronald Morgan Scotland PATe Howard McEntee Memorial Award medal bestowed author George M Myers R Mrs Eleanor McEntee Clark has personally presented medal given Fellow looking rear Bob Foshay Photo Bob Aberle 36 Model Aviation Gold Star sticker arrow Airtronics transmitter shows has tested AMA has radio-transmission char acteristics within FCC specs Watch AMA Gold Star testing nearby trade showits free AMA doing Gold Star program receivers right now ROC will definitely address receivers personal opin ion have expressed time again key future new receiver No will have tell replace present receiver cost inter ference suffer gets high enough youll replace intelligent radio Blue Sky stuff Right about now people trying hard invent next generation RC receiver should have excellent adjacent-channel rejec tion should bothered Image Third Order problems should have great tolerance local EMI Electro-Magnetic Interference should iespond AM FM intended should small cheap light durable other good things Id like add item wish list radio should intelligent What mean intelligent radio think intelligent radio should respond control signals its owners transmitter something like way good dog responds its owners whistle regardless surrounding noise example lets say neighbors bought garage door openers discovered same RC channel isnt nightmare very likely happen can come down street punch button little trans mitter watch garage door open Because transmitter sends code number garage receiver recog nizes valid Thats works right now can garage door openers shouldnt much RC systems Going step further single con trol pulse identifying code wed talking about spread spectrum code could say control pulse being re ceived system would able work interference blocked reception part frame part time Responses might slow up little servos wouldnt jitter run someplace shouldnt glitch would shown total loss communication could dealt failsafe mode Futaba does now PCM important point system would degrade slowly presence inter ference would go off doing strange things itself now case Thats what call intelligent behavior expect next generation RC trans mitters will contain microcomputers just save money see WRAM show report microcomputers cheap telligent radio should easy Getting data transmission shouldnt prob lem Look people working 72 MHz RF modems discussed last month can solve problems include problems transfer technol ogy RC systems should simple have mentioned idea radio manu facturer couple importers seed planted Lets see what germinates Howard MeEntee Memorial Award WRAMs honored Howard McEntee Memorial Award medal 1986 WRAM show am No 14 short list includes Maynard Hill Ed Lorenz Bill Walt Good Don Mathes andDoug Spreng Bob Dunham Phil Kraft Gerry Nelson Hal deBolt Paul Runge Bob Aberle Nick Ziroli Continued page 142 * MOST EXITING PRODUCT INTRODUCED TO THE R/C FIELD *DEMONSTRATED AT MS SHOW IN LOS ANGELES WITH RAVE REVIEWS *REFLECTS ITS NAME THEY ARE EASY HINGES TO INSTALL *A SINGLE SLOT AND FEW DROPS OF C/A GLUE DO YOU HATE TO INSTALL HINGES GOUGING PINNING BAKING SODA OR HINGE PINS TO WORRY ABOUT * VIRTUALLY INDESTRUCTIBLE DESIGNED FOR GIANT SCALE Lake Hobbles * AVAILABLE FROM YOUR HOBBY DEALEREASADiOnOfLakeEflpflae Sn Marco Ca 92069 *$295 PER PACKAGE OF 24 HINGESHINGES6197441932 Save Money lable semi-kit $129 00 supply wood hardware High Performance Amphibian $18900 As Featured March 86 RCM Magazine wing span44 wing area609 sq length56 weight65 lbs engine40- 46 2 cycle radio4 channel BOB PARKINSON FLYING MODELS RRI Queens VIII Ontario LOG IRO CanaJa Tel416478-2632 Please add $20 00 ship handling Dealer Inquiries Invited June1986 37 FORD FLIVVER NEW 1 48 SCALE PLASTIC MODEL KIT Henry Fords Model T Air 1926 FORD FLIVVER powered French three-cylinder Anzani engine capable 85 miles per hour aircraft exists today Dearborn Michigan Ford Museum KIT FEATURES INJECTION-MOLDED PARTS REHENSIVE INSTRUCTIONS LS FOR MARKINGS GOLDEN AGE SERIES LLASSEND $2 FOR COMPLETE CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CALIFORNIA 92069 unique aircraft today has added line delta wing kits designed Lsddle Mikulasko fully aerobatic off both water end land one-piece fiberglass fuselage cowl fairing wing-tip fiosts precision machine-out foam delta wing assembles quickly eesily4 oz lighter origInal balsa version Unplug landing gear Iwater-tight nose wheel mount factory inatalledi fly off water snow ice addition floats skila Stability wind penetration overafl performance combined un believably low landing speed make Noithsts 2001 beat designs yet kit has build teat flown Laddie Mikulesko complete approval 9 Munson Avenue P C MODEL SUPPLY Bethany CT 06525 203 393-2934 Flight-Proven DesignsSend Brochure Balsa ConstructIon 5-6 lbs Cessna 150 40 Powered 62 Easy Const uction 10-15 brat Stable Fliers Mooney 40 Powered 62Scale Its Appearance Slow Flying Capabilities Cherokee 40 Powered 60 9 ea plus $250 UP5 Contest Proven place Cherokee Scale2OO~ plus 800 shipping Ken Barnes Cessna 15025 Powered 5038 plus $250 upS Firemaster Bipe5667 lbs 80 Powered 6996 Introductory Pricel Pack Kat 25 powered sport flyer low w ng span 44 Intro Price $2600 MasterCard Coming Seen 60 Powered Pattern ShipsDealers Invited MASTER AIRSCREW Z~RAIR REW 12x8 Folder1195 15x12 Folder .. 1295 05 Direct Drive Prop Adapter395 Available thru Dealer WINDSOR PROPELLER CO 384 Tesconi Ct Santa Rosa CA 95401 DGA Designs 00 DGA00 DC4 Designs 0 0 0 C o5 oU 0 0 U C 0 1 OUARTER SCALE PLANS Ouarter Master Sport Bipe $21 Ouadra 35. 73Span.E-Z build. Great Flyer.5Seml-Kit Anailable.PPO 00 DAVIS DIK 905Span.s25 Ouadra 35 power similar. PD 01933 KINNEFt SPORTSTER U Model K.117 Span.035 power. Pea 4-CYCLE PROJECTS 0 o v AKRON FUNK SI 15 Scale 54 span 80 sizeSl 4 cyCle Fantastic FivePPD ____0 DAVIS DlKhh 603 Spar.D 45 4 cyCle Similar..Pea s15 hoc Inch wale Sixth scale3l _____________0 1933 KINNER SPORTSTER5 ID Model K.7a Span. 51-754 cy Pea ap PhotO reduced 14 Scale plans o TWO Inch scate Seth scale 0________0 Mere 004 plane0 coming PHOTO DOCUMENTATION PACKS availableon Scale Plans SI ALL PLANS ROLLED SHIPPED UPS O Complete wlnstrOcf ion SookICt Send siDO Catalog O Nem York State Residents add 7% sales tax. Send check 5 O MO COOS. Allow 3meeke chesktocleer U length engine run given amount fuel laminations made Elmers woodworking glue After carving sanding prop rubbed-on coat clear dope used seal After rubbing down steel wool finished clear polyurethane spray can final balance sprayed little finish onto lighter blade beginner get experienced RC flier test-fly model First check flight pack battery sufficient charge see controls work freely respond correctly radio signals Fill tank Cox fuel fire up engine bring peak rpm richen needle valve just trifle Hand-launch model gently shoulder height level attitude directly wind running few steps Later after needed trimming has done can launch flat-footed Im mediately make necessary transmitter trim adjustments two models flew virtually no trimming needed model flies smoothly climbs well responsive control movements loops easily will spin stalled given full-left full-up control Recovery immediate controls neutralized proper trim transmitter Henry T flies hands-off Takeoffs landings particularly enjoyable because model tracks straight little tendency veer ground loop fly buoyant air prepared long glide extended soaring try fly model misaligned warped surface balance point CG rearward spar location cautious use down-flap settingsuse sparingly Several friends have discussed building enlarged versions model usually 6-ft-span size 15 engine writing own preference something larger would near-6-ft-span version altered airfoil having shallow convex lower surface operable flaps ailerons 40-size four-stroke engine Henry T has given lots pleas ure hours relaxed air time abso lutely minimum cost decide build good luck pleasant flying Radio Technique/Myers Continued page 37 Carl Goldberg Bob Novak Descriptions honorees accomplishments presented article November 1985 issue Flying Models page 32 et seq award memorializes Howard McEntee great early creators RC hobby Beginning articles single-channel RC 27255 MHz published Air Trails early 1950s continuing column American Air craft Modeller till time death summer 1972 Howard McEntee patiently educated whole generation modelers including Howard became famous publishing designs transmitters receivers actuators etc worked Radio Tech nique modeled anything modeled Howards writings award given have made significant contribution RC hobby Looking names above wonder what have contributed deserve honor best can figure 10 years have covered lot subjects have thank letters experts novators have shared knowledge could give accurate timely informa tion Carl Wheeley Bill Winter Ross McMullen giving wide latitude pick ing subjects column Bob Aberle ing friend critic needed John Worth advice Good Lord putting position write could use particular education experiences advantage examining understanding RC problems write about humbly thank Bob Foshay Mrs Clark WRAMs honor George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Electric Condor/deBolt Continued page 40 motor on-off microswitch oper ated simple cam arrangement offers large dead band eliminating need precise finicky adjustments original cam made sheet alumi num 1/5$ ply would work well cam servo locate switch plywood correct operation oc 142 Model Aviation HARRYS WHEEL COLLAR WRENCH hardened steel FOR 15 AXLES 5/32 AXLES LARGER AXlES S279 EACH HARRY B HIGLEY 8 SONS INC p o Box 532 GLENWOOD ILL 60425 U miJu ml i ICI