U David Haught r 4 Mave drawings wonder anyone could githout tae constructed easily inex pe has sufficient portabyen apartment use Left Gary Lawson checks over Schoolyard Scale design 48-in parallel drafting rule works very well model designing layouts reasonable cost table big enough build models too big fit apartments disassembled fits closet Right Here table doing double dutyplan layout construction good pencil drawing plane scratch-built allows solving problems early stage battery pack atop plan drawing being moved around see fits best FW TA152 Left Tools model designing/drawing trade text describes items author finds useful can bought drafting sup ply stores stationery houses Right template/triangle/rule holder provides accessiale storage Its held double-sticky tape 44 Model Aviation SAW CUTS TO HOLD TEMPLATESITFMIOTY MATFRIAIPFMAPI \\ 34 V / DRILL THRU INTO TABLE S DRIVE HINGE PIN IN FLUSH aL J. IHOLLOW GORE MUST BE FLAT DOOR 3X5 2ANGLE ADJ 32F~TOP SBO1TOM 442X4X3-OSIDES 542X4X2-4LEGS 624I VI2L LAG SCREWS 721/4 X 6LGTHREAD ROD 8I2~II~ NG GRID PAPER 7 LO-TI BULING BOARD 10I2X4X 10TEMPLATE HLDR NOTES I FOR 2X4S USEANY TYPE ON HAND a FIND SLIGHTLY DAMAGED HOLLOW CORE DOOR TO SAVE MONEY 3 CUT CELLO-TEX TO MATCH YOUR PLAN SIZE 4 ITEM IS FREE TO SLIDE TO CHANGE ANGLE OF TOP ADJUSTABLE TOP DRAWING AND BUlL DING TABLE BY DAVID HAUGJ/T THE OLD DRAWING BOARD mystical place whence ideas dreams somehow transformed beautiful models churning around summer sky also place return figure out quirk haunts model flight Its al ways back old drawing board some reason other Ideally place workdesigned fit indi vidual needs character After moving lot times al given up idea ever having good drawing building bench Most apartments lived no room such convenience tried everything folding tables sagged middle sheets ply wood balanced between stacks boxes Neither worked well seemed soon dihedral blocked up epoxy applied door bell would ring jumped answer left foot would invariably catch corner box whole assem blage would cascade floorjust epoxy set Something done began search workable drawing building table After sifting through stacks drafting supply catalogs discovering just expensive resolved build myself As apartment dweller little way power tools supplies lumber disposal work simple approach table came up features low-cost con struction tilting top made pre Continued page 148 September 1984 45 2 Left Lap joints simplify construction dont have power tools recess table slope adjustable almost level Top 1Y2-in-thick hollow-core door provides stable strong work surface Right top blocked-up whatever angle suits workers taste handy slotted holder keeps tools place top tilts upward shown times before Its out pro duction everyone should have some kind field strength meter Capture Ratio FM test peculiarity FM receiver stays tuned its control trans mitter signal until another similar trans mitter exactly same radio frequen cy presents stronger signal time control transfers interfering transmitter control transmitter set up 30 feet airplane receiver ground system turned ON interfer er must similar FM transmit ter sent further away turned ON test operator walks interferer until receiver captured relative distances between plane transmitters noted Monitoring Using John Lange con verter has described column several times check envi ronment see what flying usually sweep way across band before testing starts again after finished have some unex plained funnies Discussion jest results OK now have idea Kraft Synthesized SRF Switchable Radio Frequency sys tems tested want know results nutshell Kraft ready 1984 right now ready 1991 gets theyre also ready year between SRF systems passed tests No problems found used required AMA Phase-In Plan SRF 10-sanctionedRC-channel system because cant ac cess old frequencies 7208-7296 7564 MHz accesses new sanc tioned RC channels RCl2 RC38 RC42 RC44 RC46 RC48 RC5O RC52 RC54 RC56 technical reasons can use RC4O Ten channels adequate situations think have will become 22-sanctioned-RC-channel system December 20 1987 requiring anything make changes SRF modules date use old RC frequencies will cease AMA will activate RCl4 RCl6 RCl8 RC20 RC22 RC24 RC26 RC28 RC3O RC32 RC34 RC36 places aircraft December 20 1990 Kraft SRF will become 49-sanctioned-RC-channel system again requiring take action used SRF system channel adjacent existing old fre quency eg using 72250 MHz old Red/White 72240 MHz found SRF precise Kraft sets within 100 Hz marked frequen cy narrow-banded SRF system wont interfere suffer terference old system consider legal crystal toler ance old system can put 1800 Hz off its nominal frequency remember channel spacing talking about 10000 Hz result pretty clear ly shows SRF isnt threat some people took curiosity illustrating precision Kraft SRF system has noted several people Kraft SRF transmitter part FM system uses same KPR-8FD re ceiver reported last year often will fly crystal-controlled KPR-8FD receiver same channel RC52 case reason given specially-chosen matched pairs crystals Kraft used last year best available time werent precise enough match precisiontuning narrow-band SRF transmit ters What does tell about potential making interference synthesized transmitter Meanwhile should bear mind AMA Phase-In Plan considers other forms mutual interference well tested SRF systems did produce some ticipated interferences although very reduced level AMA-sanctioned MERICAN JUNIOR AJI Balsa Model Airplanes Whip-power U-Control Flrebaby II 020-049 Jr Fireball 049-090 OMING SOON -404 Interceptor Folding Wing Glider See favorite hobby dealer Write American Jr Heritage Models Inc PO Box 505 Donald Oregon 97020 channels chosen avoid prob lems AMA Phase-In Plan will followed through 1990 scheduled reason Conclusions tests tell us want Kraft SRF system planes Image-frequency problems RC band disappear can forget about traveling distant site find radio have plane cant used because local interference No standing end long line other RC channels empty waiting used No watching everybody fly off thermals cant reach because frequency being used No 2-plane heats just fill out rac ing schedule Pylon Quickee love George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Building BoardlHaught Continued page 45 finished door quick construction Being screwed together rather nailed makes easy disassemble few minutes stash away closet spare room needs used guests items incorporated meet requirements So far am quite pleased results Construction drawing shows materials required build table 36 wide 60 long prac tical size models size can easily altered fit building program selecting wood keep mind finished product want sharp looking table buy cedar 2 x 4s give varnish finish looking practical model choose good pine stock table built out structural 2 x 4s very inexpensive still good solid table top important part Choose care Doors can found finished unfinished solid hollow core solid doors best also expensive hard 148 Model Aviation Radio TechniquelMyor Continued page 145 work hand tools quite heavy move hollow doors work quite well select flat Ask around find has slight dent im perfections much cheaper door pictures 2-in hole knocked sideit sold $300 other side just great Shop around Once youve located materials cut parts length sand off round edges used handsaw cuts good exercise landlord didnt hear thing Next drill holes lag screws re quired recommend screwing frame together results tighter joints table can taken apart nec essary Assemble end frames first Parts 4 5 Make sure square hand Fit back top bottom cross members Parts 3 screw place time may wish varnish frame dry drill holes hinge pins front corners Drill matching holes edge table top receive hinge pins position top frame drive pins place hammer Saw off extra length hinge pin Slide Part 2 place its done sliding Part 2 forward back can change slope table top just good purposes fancy $200 tables store Since table built double duty drawing board building table come up building surface could put take off required found Celotex material work very well Celotex board can purchased lumberyard under $1000 48 x 96-in sheet cut sheet various size building boards wings stabs Pins can placed quite easily sur face still hold down parts After part framed can set aside begin another makes versatile work table can draw minute build next drawing use paper graph grid taped table top can find material drafting supply houses types grids prefer eightspaces-to-the-inch grid FAI work just lay down metric grid Either way grid gives good instant reference rib alignment other layout checking work addition grid use parallel drafting machine very helpful drawing plans tru ing edges sheet balsa laminat ing such pictures 48 long sells under $4500 Other types drafting machines adapt well table including T-square again will pay shop around good used piece equipment Most engineering firms update equipment time time might find bargain Useful Equipment suggest follow ing items Protractorat least ss degree intervals 8-in 45 degree triangle 10-in 30-60-90 degree triangle Architects scale three-sided type divisions inches fractions circle template good range sizes An inexpensive drawing set di viders compass leads etc small large French curve set ships curves super Mechanical pencilsclutch type 5mm Pentel type 2H 6H leads Good erasergum pencil type wont smear lead Cleaning bag removing smudges Drawing brush cleaning balsa dust out drawing equipment Roll masking tape need necessarily drafting tape Calculator figuring areas percent ages scales Roll 1 OOOH tracing vellum drawing paper list good start way working designers table may want add change suit Coupe deVIIIe $2395 plus UPS Finished prop Very very complete FAI RUBBER Sizes1143116 1/8 3/32 1116 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA Calif residents add 6% sales taxI SEND 5O FOR 198411988 CATALOG F Model Supply Ii P0 80 3957TORRANCE CA9O51O SPECIAL PURCHASE COUPON GET YOUR OWN PERSONAL IOT STUFF VIDEO-TIPS 2 56 MIN VHS CASSETTE SEND $3000 CHECK OR MO GET HOT STUFF VIDEO TIPS 2 PLUS 1 ea NEW 3/4 OZ HOT STUFF SUPER T 3 oz HOT SHOT FREE OFFER GOOD THROUGH DEC 31 1984 fl4 P0 BOX 836 4SIMl CA 93062 FOR C 0 D SHIPMENTS CALL 805 522-0062 DUAL PERSOHAUTY TRAINER GENIIS BEAUTIFUL SUPER CHAMP W5 54 20 - 35 ENGINES 3 CHANNEL THE BEGINNERS KIlTEN AND EXPERTS TIGER Reonletionary snap en wrnQ eliminates belts fibber bands Complete kit $54 95 dealer direct GEMINI MODELS INC PO Ben 1109 Passae NJ 07055 150 Model Aviation MAGIC MAGNET BUILDER Eldon J Lind Co 2912 Walker Lee LoaAlamitos CA 90720 useful tool will last lifetime nothing wear out Magnetically holds balsa parts place white gluing No damagec split weakened wood using pina EBERLES IS YOUR HEADQUARTERS FOR HELICOPTERS EBEAEI COMPLETE LiNE OF HELICOPTERS PARTS & ACCESSORIES um o COMPETITOR PRO Fully acrobatic collectijie pitch plus new added bearings PROmodek4thENYAE0X. 43995 OS61FSR. 44995 ENYA chrome hell46995 OS61FSRH hell46995 o ANNOUNCING Th AVMLABIUTY OF KALT HEUCDflUS__ BARON 20-collective pitch. 18995 BARON 50A MARK ID autorotation coflective pitch .. 29995 BARON SOC custom collective pitch36795 BARON 50- custom Blackhead MK U46195 o CUSTOM HELl-BOY collective pitch automatic tail rotor compensation & aerobic kit ENYA 60X 34995 OS 61FSR 35995 ENYA chrome hell 37995 OS 61FSRH hell 37995 o SUPER MINI-BOY collective pitch autorotation tail ro tor compensation & aerobic kit ENVA 4OCX. 28495 ENVA 4SCX 29495 OS 4OFSR 28995 OS 45FSR 29995 o HEUCOPTER & ENGINE COMBO ENYA EOX Os 6IFSR HP 61 Gold Cup ENYA 60X hell OS 61FSH hd Some engines limited supply please order soon CaD prices EJ RADIOS Airtronics Futaba JR & Kraft AIRTHONICS 6 channel hell standard25495 JR Century seven 4501 servos25495 Supb ScaN Range f RC Halicogtaea Send $2 complete catalog ORDERING INFORMATION ALL ORDERS SHIPPED DAILY UPS 0425 add 350 $26$lOOadd450$l01-overadd600 BLUE LABEL- held 30 days Pennsyivania Residents add 6% sales tax add 10% merchandise total COD charge $165 Payment Eberles simply take order will endeavor answer COD orders cash money order certified check fast service please question may have will assist recommending right helicopter send certified check money order use credit card Personal checks will particular needs Thisalong prompt service equals trouble free flying 5eiid $ 01i1ete Ca Sell Helicopters & Fly Wel Co-Pilot Everytime Fly Phone 412 586-97669-9 PM 586-7768 672 PITTSBURGH RD BUTLER PA 16001 PRICis TO C~CT use Ive also included sketch template holder helps keep tri angles such some form order other item suggest obtain good drafting textbook Check out college bookstores used bookstores books can very helpful doing layouts draw ing Formulas pentagons areas stringer lofting etc can found also What waiting Get back drawing board RC SoaringlPrus Continued page 47 final requirement LSF Level V also new Unlimited Slope record 9 5310 side note Bob Champine Bob recently retired NASA test pilot dont know modeler enjoys sport Sailplaning Quiet Aw shucks werent nothin attitude get him talk about flying days find Out has over 200 different airplanes listed log book X prefix Heres wishing can log least 200 Sailplanes retirement log Bob foregoing flights made West Coast couple Midwest gents making plans Memorial Day weekend attempts Cross-Country rec ords different classes Jack Hiner fell short goal Declared Distance category over Memorial Day weekend 1983 set out again May 26th year Last year after covering 47 miles ground crew made wrong turn plane flew off course time realized too-strong wind prevented hove attaui ce-toari level 5kIll Lefore con etczrt enjoPin3 thi spot-t September1984 151
Edition: Model Aviation - 1984/09
Page Numbers: 44, 45, 148, 150, 151
U David Haught r 4 Mave drawings wonder anyone could githout tae constructed easily inex pe has sufficient portabyen apartment use Left Gary Lawson checks over Schoolyard Scale design 48-in parallel drafting rule works very well model designing layouts reasonable cost table big enough build models too big fit apartments disassembled fits closet Right Here table doing double dutyplan layout construction good pencil drawing plane scratch-built allows solving problems early stage battery pack atop plan drawing being moved around see fits best FW TA152 Left Tools model designing/drawing trade text describes items author finds useful can bought drafting sup ply stores stationery houses Right template/triangle/rule holder provides accessiale storage Its held double-sticky tape 44 Model Aviation SAW CUTS TO HOLD TEMPLATESITFMIOTY MATFRIAIPFMAPI \\ 34 V / DRILL THRU INTO TABLE S DRIVE HINGE PIN IN FLUSH aL J. IHOLLOW GORE MUST BE FLAT DOOR 3X5 2ANGLE ADJ 32F~TOP SBO1TOM 442X4X3-OSIDES 542X4X2-4LEGS 624I VI2L LAG SCREWS 721/4 X 6LGTHREAD ROD 8I2~II~ NG GRID PAPER 7 LO-TI BULING BOARD 10I2X4X 10TEMPLATE HLDR NOTES I FOR 2X4S USEANY TYPE ON HAND a FIND SLIGHTLY DAMAGED HOLLOW CORE DOOR TO SAVE MONEY 3 CUT CELLO-TEX TO MATCH YOUR PLAN SIZE 4 ITEM IS FREE TO SLIDE TO CHANGE ANGLE OF TOP ADJUSTABLE TOP DRAWING AND BUlL DING TABLE BY DAVID HAUGJ/T THE OLD DRAWING BOARD mystical place whence ideas dreams somehow transformed beautiful models churning around summer sky also place return figure out quirk haunts model flight Its al ways back old drawing board some reason other Ideally place workdesigned fit indi vidual needs character After moving lot times al given up idea ever having good drawing building bench Most apartments lived no room such convenience tried everything folding tables sagged middle sheets ply wood balanced between stacks boxes Neither worked well seemed soon dihedral blocked up epoxy applied door bell would ring jumped answer left foot would invariably catch corner box whole assem blage would cascade floorjust epoxy set Something done began search workable drawing building table After sifting through stacks drafting supply catalogs discovering just expensive resolved build myself As apartment dweller little way power tools supplies lumber disposal work simple approach table came up features low-cost con struction tilting top made pre Continued page 148 September 1984 45 2 Left Lap joints simplify construction dont have power tools recess table slope adjustable almost level Top 1Y2-in-thick hollow-core door provides stable strong work surface Right top blocked-up whatever angle suits workers taste handy slotted holder keeps tools place top tilts upward shown times before Its out pro duction everyone should have some kind field strength meter Capture Ratio FM test peculiarity FM receiver stays tuned its control trans mitter signal until another similar trans mitter exactly same radio frequen cy presents stronger signal time control transfers interfering transmitter control transmitter set up 30 feet airplane receiver ground system turned ON interfer er must similar FM transmit ter sent further away turned ON test operator walks interferer until receiver captured relative distances between plane transmitters noted Monitoring Using John Lange con verter has described column several times check envi ronment see what flying usually sweep way across band before testing starts again after finished have some unex plained funnies Discussion jest results OK now have idea Kraft Synthesized SRF Switchable Radio Frequency sys tems tested want know results nutshell Kraft ready 1984 right now ready 1991 gets theyre also ready year between SRF systems passed tests No problems found used required AMA Phase-In Plan SRF 10-sanctionedRC-channel system because cant ac cess old frequencies 7208-7296 7564 MHz accesses new sanc tioned RC channels RCl2 RC38 RC42 RC44 RC46 RC48 RC5O RC52 RC54 RC56 technical reasons can use RC4O Ten channels adequate situations think have will become 22-sanctioned-RC-channel system December 20 1987 requiring anything make changes SRF modules date use old RC frequencies will cease AMA will activate RCl4 RCl6 RCl8 RC20 RC22 RC24 RC26 RC28 RC3O RC32 RC34 RC36 places aircraft December 20 1990 Kraft SRF will become 49-sanctioned-RC-channel system again requiring take action used SRF system channel adjacent existing old fre quency eg using 72250 MHz old Red/White 72240 MHz found SRF precise Kraft sets within 100 Hz marked frequen cy narrow-banded SRF system wont interfere suffer terference old system consider legal crystal toler ance old system can put 1800 Hz off its nominal frequency remember channel spacing talking about 10000 Hz result pretty clear ly shows SRF isnt threat some people took curiosity illustrating precision Kraft SRF system has noted several people Kraft SRF transmitter part FM system uses same KPR-8FD re ceiver reported last year often will fly crystal-controlled KPR-8FD receiver same channel RC52 case reason given specially-chosen matched pairs crystals Kraft used last year best available time werent precise enough match precisiontuning narrow-band SRF transmit ters What does tell about potential making interference synthesized transmitter Meanwhile should bear mind AMA Phase-In Plan considers other forms mutual interference well tested SRF systems did produce some ticipated interferences although very reduced level AMA-sanctioned MERICAN JUNIOR AJI Balsa Model Airplanes Whip-power U-Control Flrebaby II 020-049 Jr Fireball 049-090 OMING SOON -404 Interceptor Folding Wing Glider See favorite hobby dealer Write American Jr Heritage Models Inc PO Box 505 Donald Oregon 97020 channels chosen avoid prob lems AMA Phase-In Plan will followed through 1990 scheduled reason Conclusions tests tell us want Kraft SRF system planes Image-frequency problems RC band disappear can forget about traveling distant site find radio have plane cant used because local interference No standing end long line other RC channels empty waiting used No watching everybody fly off thermals cant reach because frequency being used No 2-plane heats just fill out rac ing schedule Pylon Quickee love George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Building BoardlHaught Continued page 45 finished door quick construction Being screwed together rather nailed makes easy disassemble few minutes stash away closet spare room needs used guests items incorporated meet requirements So far am quite pleased results Construction drawing shows materials required build table 36 wide 60 long prac tical size models size can easily altered fit building program selecting wood keep mind finished product want sharp looking table buy cedar 2 x 4s give varnish finish looking practical model choose good pine stock table built out structural 2 x 4s very inexpensive still good solid table top important part Choose care Doors can found finished unfinished solid hollow core solid doors best also expensive hard 148 Model Aviation Radio TechniquelMyor Continued page 145 work hand tools quite heavy move hollow doors work quite well select flat Ask around find has slight dent im perfections much cheaper door pictures 2-in hole knocked sideit sold $300 other side just great Shop around Once youve located materials cut parts length sand off round edges used handsaw cuts good exercise landlord didnt hear thing Next drill holes lag screws re quired recommend screwing frame together results tighter joints table can taken apart nec essary Assemble end frames first Parts 4 5 Make sure square hand Fit back top bottom cross members Parts 3 screw place time may wish varnish frame dry drill holes hinge pins front corners Drill matching holes edge table top receive hinge pins position top frame drive pins place hammer Saw off extra length hinge pin Slide Part 2 place its done sliding Part 2 forward back can change slope table top just good purposes fancy $200 tables store Since table built double duty drawing board building table come up building surface could put take off required found Celotex material work very well Celotex board can purchased lumberyard under $1000 48 x 96-in sheet cut sheet various size building boards wings stabs Pins can placed quite easily sur face still hold down parts After part framed can set aside begin another makes versatile work table can draw minute build next drawing use paper graph grid taped table top can find material drafting supply houses types grids prefer eightspaces-to-the-inch grid FAI work just lay down metric grid Either way grid gives good instant reference rib alignment other layout checking work addition grid use parallel drafting machine very helpful drawing plans tru ing edges sheet balsa laminat ing such pictures 48 long sells under $4500 Other types drafting machines adapt well table including T-square again will pay shop around good used piece equipment Most engineering firms update equipment time time might find bargain Useful Equipment suggest follow ing items Protractorat least ss degree intervals 8-in 45 degree triangle 10-in 30-60-90 degree triangle Architects scale three-sided type divisions inches fractions circle template good range sizes An inexpensive drawing set di viders compass leads etc small large French curve set ships curves super Mechanical pencilsclutch type 5mm Pentel type 2H 6H leads Good erasergum pencil type wont smear lead Cleaning bag removing smudges Drawing brush cleaning balsa dust out drawing equipment Roll masking tape need necessarily drafting tape Calculator figuring areas percent ages scales Roll 1 OOOH tracing vellum drawing paper list good start way working designers table may want add change suit Coupe deVIIIe $2395 plus UPS Finished prop Very very complete FAI RUBBER Sizes1143116 1/8 3/32 1116 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA Calif residents add 6% sales taxI SEND 5O FOR 198411988 CATALOG F Model Supply Ii P0 80 3957TORRANCE CA9O51O SPECIAL PURCHASE COUPON GET YOUR OWN PERSONAL IOT STUFF VIDEO-TIPS 2 56 MIN VHS CASSETTE SEND $3000 CHECK OR MO GET HOT STUFF VIDEO TIPS 2 PLUS 1 ea NEW 3/4 OZ HOT STUFF SUPER T 3 oz HOT SHOT FREE OFFER GOOD THROUGH DEC 31 1984 fl4 P0 BOX 836 4SIMl CA 93062 FOR C 0 D SHIPMENTS CALL 805 522-0062 DUAL PERSOHAUTY TRAINER GENIIS BEAUTIFUL SUPER CHAMP W5 54 20 - 35 ENGINES 3 CHANNEL THE BEGINNERS KIlTEN AND EXPERTS TIGER Reonletionary snap en wrnQ eliminates belts fibber bands Complete kit $54 95 dealer direct GEMINI MODELS INC PO Ben 1109 Passae NJ 07055 150 Model Aviation MAGIC MAGNET BUILDER Eldon J Lind Co 2912 Walker Lee LoaAlamitos CA 90720 useful tool will last lifetime nothing wear out Magnetically holds balsa parts place white gluing No damagec split weakened wood using pina EBERLES IS YOUR HEADQUARTERS FOR HELICOPTERS EBEAEI COMPLETE LiNE OF HELICOPTERS PARTS & ACCESSORIES um o COMPETITOR PRO Fully acrobatic collectijie pitch plus new added bearings PROmodek4thENYAE0X. 43995 OS61FSR. 44995 ENYA chrome hell46995 OS61FSRH hell46995 o ANNOUNCING Th AVMLABIUTY OF KALT HEUCDflUS__ BARON 20-collective pitch. 18995 BARON 50A MARK ID autorotation coflective pitch .. 29995 BARON SOC custom collective pitch36795 BARON 50- custom Blackhead MK U46195 o CUSTOM HELl-BOY collective pitch automatic tail rotor compensation & aerobic kit ENYA 60X 34995 OS 61FSR 35995 ENYA chrome hell 37995 OS 61FSRH hell 37995 o SUPER MINI-BOY collective pitch autorotation tail ro tor compensation & aerobic kit ENVA 4OCX. 28495 ENVA 4SCX 29495 OS 4OFSR 28995 OS 45FSR 29995 o HEUCOPTER & ENGINE COMBO ENYA EOX Os 6IFSR HP 61 Gold Cup ENYA 60X hell OS 61FSH hd Some engines limited supply please order soon CaD prices EJ RADIOS Airtronics Futaba JR & Kraft AIRTHONICS 6 channel hell standard25495 JR Century seven 4501 servos25495 Supb ScaN Range f RC Halicogtaea Send $2 complete catalog ORDERING INFORMATION ALL ORDERS SHIPPED DAILY UPS 0425 add 350 $26$lOOadd450$l01-overadd600 BLUE LABEL- held 30 days Pennsyivania Residents add 6% sales tax add 10% merchandise total COD charge $165 Payment Eberles simply take order will endeavor answer COD orders cash money order certified check fast service please question may have will assist recommending right helicopter send certified check money order use credit card Personal checks will particular needs Thisalong prompt service equals trouble free flying 5eiid $ 01i1ete Ca Sell Helicopters & Fly Wel Co-Pilot Everytime Fly Phone 412 586-97669-9 PM 586-7768 672 PITTSBURGH RD BUTLER PA 16001 PRICis TO C~CT use Ive also included sketch template holder helps keep tri angles such some form order other item suggest obtain good drafting textbook Check out college bookstores used bookstores books can very helpful doing layouts draw ing Formulas pentagons areas stringer lofting etc can found also What waiting Get back drawing board RC SoaringlPrus Continued page 47 final requirement LSF Level V also new Unlimited Slope record 9 5310 side note Bob Champine Bob recently retired NASA test pilot dont know modeler enjoys sport Sailplaning Quiet Aw shucks werent nothin attitude get him talk about flying days find Out has over 200 different airplanes listed log book X prefix Heres wishing can log least 200 Sailplanes retirement log Bob foregoing flights made West Coast couple Midwest gents making plans Memorial Day weekend attempts Cross-Country rec ords different classes Jack Hiner fell short goal Declared Distance category over Memorial Day weekend 1983 set out again May 26th year Last year after covering 47 miles ground crew made wrong turn plane flew off course time realized too-strong wind prevented hove attaui ce-toari level 5kIll Lefore con etczrt enjoPin3 thi spot-t September1984 151
Edition: Model Aviation - 1984/09
Page Numbers: 44, 45, 148, 150, 151
U David Haught r 4 Mave drawings wonder anyone could githout tae constructed easily inex pe has sufficient portabyen apartment use Left Gary Lawson checks over Schoolyard Scale design 48-in parallel drafting rule works very well model designing layouts reasonable cost table big enough build models too big fit apartments disassembled fits closet Right Here table doing double dutyplan layout construction good pencil drawing plane scratch-built allows solving problems early stage battery pack atop plan drawing being moved around see fits best FW TA152 Left Tools model designing/drawing trade text describes items author finds useful can bought drafting sup ply stores stationery houses Right template/triangle/rule holder provides accessiale storage Its held double-sticky tape 44 Model Aviation SAW CUTS TO HOLD TEMPLATESITFMIOTY MATFRIAIPFMAPI \\ 34 V / DRILL THRU INTO TABLE S DRIVE HINGE PIN IN FLUSH aL J. IHOLLOW GORE MUST BE FLAT DOOR 3X5 2ANGLE ADJ 32F~TOP SBO1TOM 442X4X3-OSIDES 542X4X2-4LEGS 624I VI2L LAG SCREWS 721/4 X 6LGTHREAD ROD 8I2~II~ NG GRID PAPER 7 LO-TI BULING BOARD 10I2X4X 10TEMPLATE HLDR NOTES I FOR 2X4S USEANY TYPE ON HAND a FIND SLIGHTLY DAMAGED HOLLOW CORE DOOR TO SAVE MONEY 3 CUT CELLO-TEX TO MATCH YOUR PLAN SIZE 4 ITEM IS FREE TO SLIDE TO CHANGE ANGLE OF TOP ADJUSTABLE TOP DRAWING AND BUlL DING TABLE BY DAVID HAUGJ/T THE OLD DRAWING BOARD mystical place whence ideas dreams somehow transformed beautiful models churning around summer sky also place return figure out quirk haunts model flight Its al ways back old drawing board some reason other Ideally place workdesigned fit indi vidual needs character After moving lot times al given up idea ever having good drawing building bench Most apartments lived no room such convenience tried everything folding tables sagged middle sheets ply wood balanced between stacks boxes Neither worked well seemed soon dihedral blocked up epoxy applied door bell would ring jumped answer left foot would invariably catch corner box whole assem blage would cascade floorjust epoxy set Something done began search workable drawing building table After sifting through stacks drafting supply catalogs discovering just expensive resolved build myself As apartment dweller little way power tools supplies lumber disposal work simple approach table came up features low-cost con struction tilting top made pre Continued page 148 September 1984 45 2 Left Lap joints simplify construction dont have power tools recess table slope adjustable almost level Top 1Y2-in-thick hollow-core door provides stable strong work surface Right top blocked-up whatever angle suits workers taste handy slotted holder keeps tools place top tilts upward shown times before Its out pro duction everyone should have some kind field strength meter Capture Ratio FM test peculiarity FM receiver stays tuned its control trans mitter signal until another similar trans mitter exactly same radio frequen cy presents stronger signal time control transfers interfering transmitter control transmitter set up 30 feet airplane receiver ground system turned ON interfer er must similar FM transmit ter sent further away turned ON test operator walks interferer until receiver captured relative distances between plane transmitters noted Monitoring Using John Lange con verter has described column several times check envi ronment see what flying usually sweep way across band before testing starts again after finished have some unex plained funnies Discussion jest results OK now have idea Kraft Synthesized SRF Switchable Radio Frequency sys tems tested want know results nutshell Kraft ready 1984 right now ready 1991 gets theyre also ready year between SRF systems passed tests No problems found used required AMA Phase-In Plan SRF 10-sanctionedRC-channel system because cant ac cess old frequencies 7208-7296 7564 MHz accesses new sanc tioned RC channels RCl2 RC38 RC42 RC44 RC46 RC48 RC5O RC52 RC54 RC56 technical reasons can use RC4O Ten channels adequate situations think have will become 22-sanctioned-RC-channel system December 20 1987 requiring anything make changes SRF modules date use old RC frequencies will cease AMA will activate RCl4 RCl6 RCl8 RC20 RC22 RC24 RC26 RC28 RC3O RC32 RC34 RC36 places aircraft December 20 1990 Kraft SRF will become 49-sanctioned-RC-channel system again requiring take action used SRF system channel adjacent existing old fre quency eg using 72250 MHz old Red/White 72240 MHz found SRF precise Kraft sets within 100 Hz marked frequen cy narrow-banded SRF system wont interfere suffer terference old system consider legal crystal toler ance old system can put 1800 Hz off its nominal frequency remember channel spacing talking about 10000 Hz result pretty clear ly shows SRF isnt threat some people took curiosity illustrating precision Kraft SRF system has noted several people Kraft SRF transmitter part FM system uses same KPR-8FD re ceiver reported last year often will fly crystal-controlled KPR-8FD receiver same channel RC52 case reason given specially-chosen matched pairs crystals Kraft used last year best available time werent precise enough match precisiontuning narrow-band SRF transmit ters What does tell about potential making interference synthesized transmitter Meanwhile should bear mind AMA Phase-In Plan considers other forms mutual interference well tested SRF systems did produce some ticipated interferences although very reduced level AMA-sanctioned MERICAN JUNIOR AJI Balsa Model Airplanes Whip-power U-Control Flrebaby II 020-049 Jr Fireball 049-090 OMING SOON -404 Interceptor Folding Wing Glider See favorite hobby dealer Write American Jr Heritage Models Inc PO Box 505 Donald Oregon 97020 channels chosen avoid prob lems AMA Phase-In Plan will followed through 1990 scheduled reason Conclusions tests tell us want Kraft SRF system planes Image-frequency problems RC band disappear can forget about traveling distant site find radio have plane cant used because local interference No standing end long line other RC channels empty waiting used No watching everybody fly off thermals cant reach because frequency being used No 2-plane heats just fill out rac ing schedule Pylon Quickee love George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Building BoardlHaught Continued page 45 finished door quick construction Being screwed together rather nailed makes easy disassemble few minutes stash away closet spare room needs used guests items incorporated meet requirements So far am quite pleased results Construction drawing shows materials required build table 36 wide 60 long prac tical size models size can easily altered fit building program selecting wood keep mind finished product want sharp looking table buy cedar 2 x 4s give varnish finish looking practical model choose good pine stock table built out structural 2 x 4s very inexpensive still good solid table top important part Choose care Doors can found finished unfinished solid hollow core solid doors best also expensive hard 148 Model Aviation Radio TechniquelMyor Continued page 145 work hand tools quite heavy move hollow doors work quite well select flat Ask around find has slight dent im perfections much cheaper door pictures 2-in hole knocked sideit sold $300 other side just great Shop around Once youve located materials cut parts length sand off round edges used handsaw cuts good exercise landlord didnt hear thing Next drill holes lag screws re quired recommend screwing frame together results tighter joints table can taken apart nec essary Assemble end frames first Parts 4 5 Make sure square hand Fit back top bottom cross members Parts 3 screw place time may wish varnish frame dry drill holes hinge pins front corners Drill matching holes edge table top receive hinge pins position top frame drive pins place hammer Saw off extra length hinge pin Slide Part 2 place its done sliding Part 2 forward back can change slope table top just good purposes fancy $200 tables store Since table built double duty drawing board building table come up building surface could put take off required found Celotex material work very well Celotex board can purchased lumberyard under $1000 48 x 96-in sheet cut sheet various size building boards wings stabs Pins can placed quite easily sur face still hold down parts After part framed can set aside begin another makes versatile work table can draw minute build next drawing use paper graph grid taped table top can find material drafting supply houses types grids prefer eightspaces-to-the-inch grid FAI work just lay down metric grid Either way grid gives good instant reference rib alignment other layout checking work addition grid use parallel drafting machine very helpful drawing plans tru ing edges sheet balsa laminat ing such pictures 48 long sells under $4500 Other types drafting machines adapt well table including T-square again will pay shop around good used piece equipment Most engineering firms update equipment time time might find bargain Useful Equipment suggest follow ing items Protractorat least ss degree intervals 8-in 45 degree triangle 10-in 30-60-90 degree triangle Architects scale three-sided type divisions inches fractions circle template good range sizes An inexpensive drawing set di viders compass leads etc small large French curve set ships curves super Mechanical pencilsclutch type 5mm Pentel type 2H 6H leads Good erasergum pencil type wont smear lead Cleaning bag removing smudges Drawing brush cleaning balsa dust out drawing equipment Roll masking tape need necessarily drafting tape Calculator figuring areas percent ages scales Roll 1 OOOH tracing vellum drawing paper list good start way working designers table may want add change suit Coupe deVIIIe $2395 plus UPS Finished prop Very very complete FAI RUBBER Sizes1143116 1/8 3/32 1116 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA Calif residents add 6% sales taxI SEND 5O FOR 198411988 CATALOG F Model Supply Ii P0 80 3957TORRANCE CA9O51O SPECIAL PURCHASE COUPON GET YOUR OWN PERSONAL IOT STUFF VIDEO-TIPS 2 56 MIN VHS CASSETTE SEND $3000 CHECK OR MO GET HOT STUFF VIDEO TIPS 2 PLUS 1 ea NEW 3/4 OZ HOT STUFF SUPER T 3 oz HOT SHOT FREE OFFER GOOD THROUGH DEC 31 1984 fl4 P0 BOX 836 4SIMl CA 93062 FOR C 0 D SHIPMENTS CALL 805 522-0062 DUAL PERSOHAUTY TRAINER GENIIS BEAUTIFUL SUPER CHAMP W5 54 20 - 35 ENGINES 3 CHANNEL THE BEGINNERS KIlTEN AND EXPERTS TIGER Reonletionary snap en wrnQ eliminates belts fibber bands Complete kit $54 95 dealer direct GEMINI MODELS INC PO Ben 1109 Passae NJ 07055 150 Model Aviation MAGIC MAGNET BUILDER Eldon J Lind Co 2912 Walker Lee LoaAlamitos CA 90720 useful tool will last lifetime nothing wear out Magnetically holds balsa parts place white gluing No damagec split weakened wood using pina EBERLES IS YOUR HEADQUARTERS FOR HELICOPTERS EBEAEI COMPLETE LiNE OF HELICOPTERS PARTS & ACCESSORIES um o COMPETITOR PRO Fully acrobatic collectijie pitch plus new added bearings PROmodek4thENYAE0X. 43995 OS61FSR. 44995 ENYA chrome hell46995 OS61FSRH hell46995 o ANNOUNCING Th AVMLABIUTY OF KALT HEUCDflUS__ BARON 20-collective pitch. 18995 BARON 50A MARK ID autorotation coflective pitch .. 29995 BARON SOC custom collective pitch36795 BARON 50- custom Blackhead MK U46195 o CUSTOM HELl-BOY collective pitch automatic tail rotor compensation & aerobic kit ENYA 60X 34995 OS 61FSR 35995 ENYA chrome hell 37995 OS 61FSRH hell 37995 o SUPER MINI-BOY collective pitch autorotation tail ro tor compensation & aerobic kit ENVA 4OCX. 28495 ENVA 4SCX 29495 OS 4OFSR 28995 OS 45FSR 29995 o HEUCOPTER & ENGINE COMBO ENYA EOX Os 6IFSR HP 61 Gold Cup ENYA 60X hell OS 61FSH hd Some engines limited supply please order soon CaD prices EJ RADIOS Airtronics Futaba JR & Kraft AIRTHONICS 6 channel hell standard25495 JR Century seven 4501 servos25495 Supb ScaN Range f RC Halicogtaea Send $2 complete catalog ORDERING INFORMATION ALL ORDERS SHIPPED DAILY UPS 0425 add 350 $26$lOOadd450$l01-overadd600 BLUE LABEL- held 30 days Pennsyivania Residents add 6% sales tax add 10% merchandise total COD charge $165 Payment Eberles simply take order will endeavor answer COD orders cash money order certified check fast service please question may have will assist recommending right helicopter send certified check money order use credit card Personal checks will particular needs Thisalong prompt service equals trouble free flying 5eiid $ 01i1ete Ca Sell Helicopters & Fly Wel Co-Pilot Everytime Fly Phone 412 586-97669-9 PM 586-7768 672 PITTSBURGH RD BUTLER PA 16001 PRICis TO C~CT use Ive also included sketch template holder helps keep tri angles such some form order other item suggest obtain good drafting textbook Check out college bookstores used bookstores books can very helpful doing layouts draw ing Formulas pentagons areas stringer lofting etc can found also What waiting Get back drawing board RC SoaringlPrus Continued page 47 final requirement LSF Level V also new Unlimited Slope record 9 5310 side note Bob Champine Bob recently retired NASA test pilot dont know modeler enjoys sport Sailplaning Quiet Aw shucks werent nothin attitude get him talk about flying days find Out has over 200 different airplanes listed log book X prefix Heres wishing can log least 200 Sailplanes retirement log Bob foregoing flights made West Coast couple Midwest gents making plans Memorial Day weekend attempts Cross-Country rec ords different classes Jack Hiner fell short goal Declared Distance category over Memorial Day weekend 1983 set out again May 26th year Last year after covering 47 miles ground crew made wrong turn plane flew off course time realized too-strong wind prevented hove attaui ce-toari level 5kIll Lefore con etczrt enjoPin3 thi spot-t September1984 151
Edition: Model Aviation - 1984/09
Page Numbers: 44, 45, 148, 150, 151
U David Haught r 4 Mave drawings wonder anyone could githout tae constructed easily inex pe has sufficient portabyen apartment use Left Gary Lawson checks over Schoolyard Scale design 48-in parallel drafting rule works very well model designing layouts reasonable cost table big enough build models too big fit apartments disassembled fits closet Right Here table doing double dutyplan layout construction good pencil drawing plane scratch-built allows solving problems early stage battery pack atop plan drawing being moved around see fits best FW TA152 Left Tools model designing/drawing trade text describes items author finds useful can bought drafting sup ply stores stationery houses Right template/triangle/rule holder provides accessiale storage Its held double-sticky tape 44 Model Aviation SAW CUTS TO HOLD TEMPLATESITFMIOTY MATFRIAIPFMAPI \\ 34 V / DRILL THRU INTO TABLE S DRIVE HINGE PIN IN FLUSH aL J. IHOLLOW GORE MUST BE FLAT DOOR 3X5 2ANGLE ADJ 32F~TOP SBO1TOM 442X4X3-OSIDES 542X4X2-4LEGS 624I VI2L LAG SCREWS 721/4 X 6LGTHREAD ROD 8I2~II~ NG GRID PAPER 7 LO-TI BULING BOARD 10I2X4X 10TEMPLATE HLDR NOTES I FOR 2X4S USEANY TYPE ON HAND a FIND SLIGHTLY DAMAGED HOLLOW CORE DOOR TO SAVE MONEY 3 CUT CELLO-TEX TO MATCH YOUR PLAN SIZE 4 ITEM IS FREE TO SLIDE TO CHANGE ANGLE OF TOP ADJUSTABLE TOP DRAWING AND BUlL DING TABLE BY DAVID HAUGJ/T THE OLD DRAWING BOARD mystical place whence ideas dreams somehow transformed beautiful models churning around summer sky also place return figure out quirk haunts model flight Its al ways back old drawing board some reason other Ideally place workdesigned fit indi vidual needs character After moving lot times al given up idea ever having good drawing building bench Most apartments lived no room such convenience tried everything folding tables sagged middle sheets ply wood balanced between stacks boxes Neither worked well seemed soon dihedral blocked up epoxy applied door bell would ring jumped answer left foot would invariably catch corner box whole assem blage would cascade floorjust epoxy set Something done began search workable drawing building table After sifting through stacks drafting supply catalogs discovering just expensive resolved build myself As apartment dweller little way power tools supplies lumber disposal work simple approach table came up features low-cost con struction tilting top made pre Continued page 148 September 1984 45 2 Left Lap joints simplify construction dont have power tools recess table slope adjustable almost level Top 1Y2-in-thick hollow-core door provides stable strong work surface Right top blocked-up whatever angle suits workers taste handy slotted holder keeps tools place top tilts upward shown times before Its out pro duction everyone should have some kind field strength meter Capture Ratio FM test peculiarity FM receiver stays tuned its control trans mitter signal until another similar trans mitter exactly same radio frequen cy presents stronger signal time control transfers interfering transmitter control transmitter set up 30 feet airplane receiver ground system turned ON interfer er must similar FM transmit ter sent further away turned ON test operator walks interferer until receiver captured relative distances between plane transmitters noted Monitoring Using John Lange con verter has described column several times check envi ronment see what flying usually sweep way across band before testing starts again after finished have some unex plained funnies Discussion jest results OK now have idea Kraft Synthesized SRF Switchable Radio Frequency sys tems tested want know results nutshell Kraft ready 1984 right now ready 1991 gets theyre also ready year between SRF systems passed tests No problems found used required AMA Phase-In Plan SRF 10-sanctionedRC-channel system because cant ac cess old frequencies 7208-7296 7564 MHz accesses new sanc tioned RC channels RCl2 RC38 RC42 RC44 RC46 RC48 RC5O RC52 RC54 RC56 technical reasons can use RC4O Ten channels adequate situations think have will become 22-sanctioned-RC-channel system December 20 1987 requiring anything make changes SRF modules date use old RC frequencies will cease AMA will activate RCl4 RCl6 RCl8 RC20 RC22 RC24 RC26 RC28 RC3O RC32 RC34 RC36 places aircraft December 20 1990 Kraft SRF will become 49-sanctioned-RC-channel system again requiring take action used SRF system channel adjacent existing old fre quency eg using 72250 MHz old Red/White 72240 MHz found SRF precise Kraft sets within 100 Hz marked frequen cy narrow-banded SRF system wont interfere suffer terference old system consider legal crystal toler ance old system can put 1800 Hz off its nominal frequency remember channel spacing talking about 10000 Hz result pretty clear ly shows SRF isnt threat some people took curiosity illustrating precision Kraft SRF system has noted several people Kraft SRF transmitter part FM system uses same KPR-8FD re ceiver reported last year often will fly crystal-controlled KPR-8FD receiver same channel RC52 case reason given specially-chosen matched pairs crystals Kraft used last year best available time werent precise enough match precisiontuning narrow-band SRF transmit ters What does tell about potential making interference synthesized transmitter Meanwhile should bear mind AMA Phase-In Plan considers other forms mutual interference well tested SRF systems did produce some ticipated interferences although very reduced level AMA-sanctioned MERICAN JUNIOR AJI Balsa Model Airplanes Whip-power U-Control Flrebaby II 020-049 Jr Fireball 049-090 OMING SOON -404 Interceptor Folding Wing Glider See favorite hobby dealer Write American Jr Heritage Models Inc PO Box 505 Donald Oregon 97020 channels chosen avoid prob lems AMA Phase-In Plan will followed through 1990 scheduled reason Conclusions tests tell us want Kraft SRF system planes Image-frequency problems RC band disappear can forget about traveling distant site find radio have plane cant used because local interference No standing end long line other RC channels empty waiting used No watching everybody fly off thermals cant reach because frequency being used No 2-plane heats just fill out rac ing schedule Pylon Quickee love George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Building BoardlHaught Continued page 45 finished door quick construction Being screwed together rather nailed makes easy disassemble few minutes stash away closet spare room needs used guests items incorporated meet requirements So far am quite pleased results Construction drawing shows materials required build table 36 wide 60 long prac tical size models size can easily altered fit building program selecting wood keep mind finished product want sharp looking table buy cedar 2 x 4s give varnish finish looking practical model choose good pine stock table built out structural 2 x 4s very inexpensive still good solid table top important part Choose care Doors can found finished unfinished solid hollow core solid doors best also expensive hard 148 Model Aviation Radio TechniquelMyor Continued page 145 work hand tools quite heavy move hollow doors work quite well select flat Ask around find has slight dent im perfections much cheaper door pictures 2-in hole knocked sideit sold $300 other side just great Shop around Once youve located materials cut parts length sand off round edges used handsaw cuts good exercise landlord didnt hear thing Next drill holes lag screws re quired recommend screwing frame together results tighter joints table can taken apart nec essary Assemble end frames first Parts 4 5 Make sure square hand Fit back top bottom cross members Parts 3 screw place time may wish varnish frame dry drill holes hinge pins front corners Drill matching holes edge table top receive hinge pins position top frame drive pins place hammer Saw off extra length hinge pin Slide Part 2 place its done sliding Part 2 forward back can change slope table top just good purposes fancy $200 tables store Since table built double duty drawing board building table come up building surface could put take off required found Celotex material work very well Celotex board can purchased lumberyard under $1000 48 x 96-in sheet cut sheet various size building boards wings stabs Pins can placed quite easily sur face still hold down parts After part framed can set aside begin another makes versatile work table can draw minute build next drawing use paper graph grid taped table top can find material drafting supply houses types grids prefer eightspaces-to-the-inch grid FAI work just lay down metric grid Either way grid gives good instant reference rib alignment other layout checking work addition grid use parallel drafting machine very helpful drawing plans tru ing edges sheet balsa laminat ing such pictures 48 long sells under $4500 Other types drafting machines adapt well table including T-square again will pay shop around good used piece equipment Most engineering firms update equipment time time might find bargain Useful Equipment suggest follow ing items Protractorat least ss degree intervals 8-in 45 degree triangle 10-in 30-60-90 degree triangle Architects scale three-sided type divisions inches fractions circle template good range sizes An inexpensive drawing set di viders compass leads etc small large French curve set ships curves super Mechanical pencilsclutch type 5mm Pentel type 2H 6H leads Good erasergum pencil type wont smear lead Cleaning bag removing smudges Drawing brush cleaning balsa dust out drawing equipment Roll masking tape need necessarily drafting tape Calculator figuring areas percent ages scales Roll 1 OOOH tracing vellum drawing paper list good start way working designers table may want add change suit Coupe deVIIIe $2395 plus UPS Finished prop Very very complete FAI RUBBER Sizes1143116 1/8 3/32 1116 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA Calif residents add 6% sales taxI SEND 5O FOR 198411988 CATALOG F Model Supply Ii P0 80 3957TORRANCE CA9O51O SPECIAL PURCHASE COUPON GET YOUR OWN PERSONAL IOT STUFF VIDEO-TIPS 2 56 MIN VHS CASSETTE SEND $3000 CHECK OR MO GET HOT STUFF VIDEO TIPS 2 PLUS 1 ea NEW 3/4 OZ HOT STUFF SUPER T 3 oz HOT SHOT FREE OFFER GOOD THROUGH DEC 31 1984 fl4 P0 BOX 836 4SIMl CA 93062 FOR C 0 D SHIPMENTS CALL 805 522-0062 DUAL PERSOHAUTY TRAINER GENIIS BEAUTIFUL SUPER CHAMP W5 54 20 - 35 ENGINES 3 CHANNEL THE BEGINNERS KIlTEN AND EXPERTS TIGER Reonletionary snap en wrnQ eliminates belts fibber bands Complete kit $54 95 dealer direct GEMINI MODELS INC PO Ben 1109 Passae NJ 07055 150 Model Aviation MAGIC MAGNET BUILDER Eldon J Lind Co 2912 Walker Lee LoaAlamitos CA 90720 useful tool will last lifetime nothing wear out Magnetically holds balsa parts place white gluing No damagec split weakened wood using pina EBERLES IS YOUR HEADQUARTERS FOR HELICOPTERS EBEAEI COMPLETE LiNE OF HELICOPTERS PARTS & ACCESSORIES um o COMPETITOR PRO Fully acrobatic collectijie pitch plus new added bearings PROmodek4thENYAE0X. 43995 OS61FSR. 44995 ENYA chrome hell46995 OS61FSRH hell46995 o ANNOUNCING Th AVMLABIUTY OF KALT HEUCDflUS__ BARON 20-collective pitch. 18995 BARON 50A MARK ID autorotation coflective pitch .. 29995 BARON SOC custom collective pitch36795 BARON 50- custom Blackhead MK U46195 o CUSTOM HELl-BOY collective pitch automatic tail rotor compensation & aerobic kit ENYA 60X 34995 OS 61FSR 35995 ENYA chrome hell 37995 OS 61FSRH hell 37995 o SUPER MINI-BOY collective pitch autorotation tail ro tor compensation & aerobic kit ENVA 4OCX. 28495 ENVA 4SCX 29495 OS 4OFSR 28995 OS 45FSR 29995 o HEUCOPTER & ENGINE COMBO ENYA EOX Os 6IFSR HP 61 Gold Cup ENYA 60X hell OS 61FSH hd Some engines limited supply please order soon CaD prices EJ RADIOS Airtronics Futaba JR & Kraft AIRTHONICS 6 channel hell standard25495 JR Century seven 4501 servos25495 Supb ScaN Range f RC Halicogtaea Send $2 complete catalog ORDERING INFORMATION ALL ORDERS SHIPPED DAILY UPS 0425 add 350 $26$lOOadd450$l01-overadd600 BLUE LABEL- held 30 days Pennsyivania Residents add 6% sales tax add 10% merchandise total COD charge $165 Payment Eberles simply take order will endeavor answer COD orders cash money order certified check fast service please question may have will assist recommending right helicopter send certified check money order use credit card Personal checks will particular needs Thisalong prompt service equals trouble free flying 5eiid $ 01i1ete Ca Sell Helicopters & Fly Wel Co-Pilot Everytime Fly Phone 412 586-97669-9 PM 586-7768 672 PITTSBURGH RD BUTLER PA 16001 PRICis TO C~CT use Ive also included sketch template holder helps keep tri angles such some form order other item suggest obtain good drafting textbook Check out college bookstores used bookstores books can very helpful doing layouts draw ing Formulas pentagons areas stringer lofting etc can found also What waiting Get back drawing board RC SoaringlPrus Continued page 47 final requirement LSF Level V also new Unlimited Slope record 9 5310 side note Bob Champine Bob recently retired NASA test pilot dont know modeler enjoys sport Sailplaning Quiet Aw shucks werent nothin attitude get him talk about flying days find Out has over 200 different airplanes listed log book X prefix Heres wishing can log least 200 Sailplanes retirement log Bob foregoing flights made West Coast couple Midwest gents making plans Memorial Day weekend attempts Cross-Country rec ords different classes Jack Hiner fell short goal Declared Distance category over Memorial Day weekend 1983 set out again May 26th year Last year after covering 47 miles ground crew made wrong turn plane flew off course time realized too-strong wind prevented hove attaui ce-toari level 5kIll Lefore con etczrt enjoPin3 thi spot-t September1984 151
Edition: Model Aviation - 1984/09
Page Numbers: 44, 45, 148, 150, 151
U David Haught r 4 Mave drawings wonder anyone could githout tae constructed easily inex pe has sufficient portabyen apartment use Left Gary Lawson checks over Schoolyard Scale design 48-in parallel drafting rule works very well model designing layouts reasonable cost table big enough build models too big fit apartments disassembled fits closet Right Here table doing double dutyplan layout construction good pencil drawing plane scratch-built allows solving problems early stage battery pack atop plan drawing being moved around see fits best FW TA152 Left Tools model designing/drawing trade text describes items author finds useful can bought drafting sup ply stores stationery houses Right template/triangle/rule holder provides accessiale storage Its held double-sticky tape 44 Model Aviation SAW CUTS TO HOLD TEMPLATESITFMIOTY MATFRIAIPFMAPI \\ 34 V / DRILL THRU INTO TABLE S DRIVE HINGE PIN IN FLUSH aL J. IHOLLOW GORE MUST BE FLAT DOOR 3X5 2ANGLE ADJ 32F~TOP SBO1TOM 442X4X3-OSIDES 542X4X2-4LEGS 624I VI2L LAG SCREWS 721/4 X 6LGTHREAD ROD 8I2~II~ NG GRID PAPER 7 LO-TI BULING BOARD 10I2X4X 10TEMPLATE HLDR NOTES I FOR 2X4S USEANY TYPE ON HAND a FIND SLIGHTLY DAMAGED HOLLOW CORE DOOR TO SAVE MONEY 3 CUT CELLO-TEX TO MATCH YOUR PLAN SIZE 4 ITEM IS FREE TO SLIDE TO CHANGE ANGLE OF TOP ADJUSTABLE TOP DRAWING AND BUlL DING TABLE BY DAVID HAUGJ/T THE OLD DRAWING BOARD mystical place whence ideas dreams somehow transformed beautiful models churning around summer sky also place return figure out quirk haunts model flight Its al ways back old drawing board some reason other Ideally place workdesigned fit indi vidual needs character After moving lot times al given up idea ever having good drawing building bench Most apartments lived no room such convenience tried everything folding tables sagged middle sheets ply wood balanced between stacks boxes Neither worked well seemed soon dihedral blocked up epoxy applied door bell would ring jumped answer left foot would invariably catch corner box whole assem blage would cascade floorjust epoxy set Something done began search workable drawing building table After sifting through stacks drafting supply catalogs discovering just expensive resolved build myself As apartment dweller little way power tools supplies lumber disposal work simple approach table came up features low-cost con struction tilting top made pre Continued page 148 September 1984 45 2 Left Lap joints simplify construction dont have power tools recess table slope adjustable almost level Top 1Y2-in-thick hollow-core door provides stable strong work surface Right top blocked-up whatever angle suits workers taste handy slotted holder keeps tools place top tilts upward shown times before Its out pro duction everyone should have some kind field strength meter Capture Ratio FM test peculiarity FM receiver stays tuned its control trans mitter signal until another similar trans mitter exactly same radio frequen cy presents stronger signal time control transfers interfering transmitter control transmitter set up 30 feet airplane receiver ground system turned ON interfer er must similar FM transmit ter sent further away turned ON test operator walks interferer until receiver captured relative distances between plane transmitters noted Monitoring Using John Lange con verter has described column several times check envi ronment see what flying usually sweep way across band before testing starts again after finished have some unex plained funnies Discussion jest results OK now have idea Kraft Synthesized SRF Switchable Radio Frequency sys tems tested want know results nutshell Kraft ready 1984 right now ready 1991 gets theyre also ready year between SRF systems passed tests No problems found used required AMA Phase-In Plan SRF 10-sanctionedRC-channel system because cant ac cess old frequencies 7208-7296 7564 MHz accesses new sanc tioned RC channels RCl2 RC38 RC42 RC44 RC46 RC48 RC5O RC52 RC54 RC56 technical reasons can use RC4O Ten channels adequate situations think have will become 22-sanctioned-RC-channel system December 20 1987 requiring anything make changes SRF modules date use old RC frequencies will cease AMA will activate RCl4 RCl6 RCl8 RC20 RC22 RC24 RC26 RC28 RC3O RC32 RC34 RC36 places aircraft December 20 1990 Kraft SRF will become 49-sanctioned-RC-channel system again requiring take action used SRF system channel adjacent existing old fre quency eg using 72250 MHz old Red/White 72240 MHz found SRF precise Kraft sets within 100 Hz marked frequen cy narrow-banded SRF system wont interfere suffer terference old system consider legal crystal toler ance old system can put 1800 Hz off its nominal frequency remember channel spacing talking about 10000 Hz result pretty clear ly shows SRF isnt threat some people took curiosity illustrating precision Kraft SRF system has noted several people Kraft SRF transmitter part FM system uses same KPR-8FD re ceiver reported last year often will fly crystal-controlled KPR-8FD receiver same channel RC52 case reason given specially-chosen matched pairs crystals Kraft used last year best available time werent precise enough match precisiontuning narrow-band SRF transmit ters What does tell about potential making interference synthesized transmitter Meanwhile should bear mind AMA Phase-In Plan considers other forms mutual interference well tested SRF systems did produce some ticipated interferences although very reduced level AMA-sanctioned MERICAN JUNIOR AJI Balsa Model Airplanes Whip-power U-Control Flrebaby II 020-049 Jr Fireball 049-090 OMING SOON -404 Interceptor Folding Wing Glider See favorite hobby dealer Write American Jr Heritage Models Inc PO Box 505 Donald Oregon 97020 channels chosen avoid prob lems AMA Phase-In Plan will followed through 1990 scheduled reason Conclusions tests tell us want Kraft SRF system planes Image-frequency problems RC band disappear can forget about traveling distant site find radio have plane cant used because local interference No standing end long line other RC channels empty waiting used No watching everybody fly off thermals cant reach because frequency being used No 2-plane heats just fill out rac ing schedule Pylon Quickee love George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Building BoardlHaught Continued page 45 finished door quick construction Being screwed together rather nailed makes easy disassemble few minutes stash away closet spare room needs used guests items incorporated meet requirements So far am quite pleased results Construction drawing shows materials required build table 36 wide 60 long prac tical size models size can easily altered fit building program selecting wood keep mind finished product want sharp looking table buy cedar 2 x 4s give varnish finish looking practical model choose good pine stock table built out structural 2 x 4s very inexpensive still good solid table top important part Choose care Doors can found finished unfinished solid hollow core solid doors best also expensive hard 148 Model Aviation Radio TechniquelMyor Continued page 145 work hand tools quite heavy move hollow doors work quite well select flat Ask around find has slight dent im perfections much cheaper door pictures 2-in hole knocked sideit sold $300 other side just great Shop around Once youve located materials cut parts length sand off round edges used handsaw cuts good exercise landlord didnt hear thing Next drill holes lag screws re quired recommend screwing frame together results tighter joints table can taken apart nec essary Assemble end frames first Parts 4 5 Make sure square hand Fit back top bottom cross members Parts 3 screw place time may wish varnish frame dry drill holes hinge pins front corners Drill matching holes edge table top receive hinge pins position top frame drive pins place hammer Saw off extra length hinge pin Slide Part 2 place its done sliding Part 2 forward back can change slope table top just good purposes fancy $200 tables store Since table built double duty drawing board building table come up building surface could put take off required found Celotex material work very well Celotex board can purchased lumberyard under $1000 48 x 96-in sheet cut sheet various size building boards wings stabs Pins can placed quite easily sur face still hold down parts After part framed can set aside begin another makes versatile work table can draw minute build next drawing use paper graph grid taped table top can find material drafting supply houses types grids prefer eightspaces-to-the-inch grid FAI work just lay down metric grid Either way grid gives good instant reference rib alignment other layout checking work addition grid use parallel drafting machine very helpful drawing plans tru ing edges sheet balsa laminat ing such pictures 48 long sells under $4500 Other types drafting machines adapt well table including T-square again will pay shop around good used piece equipment Most engineering firms update equipment time time might find bargain Useful Equipment suggest follow ing items Protractorat least ss degree intervals 8-in 45 degree triangle 10-in 30-60-90 degree triangle Architects scale three-sided type divisions inches fractions circle template good range sizes An inexpensive drawing set di viders compass leads etc small large French curve set ships curves super Mechanical pencilsclutch type 5mm Pentel type 2H 6H leads Good erasergum pencil type wont smear lead Cleaning bag removing smudges Drawing brush cleaning balsa dust out drawing equipment Roll masking tape need necessarily drafting tape Calculator figuring areas percent ages scales Roll 1 OOOH tracing vellum drawing paper list good start way working designers table may want add change suit Coupe deVIIIe $2395 plus UPS Finished prop Very very complete FAI RUBBER Sizes1143116 1/8 3/32 1116 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA Calif residents add 6% sales taxI SEND 5O FOR 198411988 CATALOG F Model Supply Ii P0 80 3957TORRANCE CA9O51O SPECIAL PURCHASE COUPON GET YOUR OWN PERSONAL IOT STUFF VIDEO-TIPS 2 56 MIN VHS CASSETTE SEND $3000 CHECK OR MO GET HOT STUFF VIDEO TIPS 2 PLUS 1 ea NEW 3/4 OZ HOT STUFF SUPER T 3 oz HOT SHOT FREE OFFER GOOD THROUGH DEC 31 1984 fl4 P0 BOX 836 4SIMl CA 93062 FOR C 0 D SHIPMENTS CALL 805 522-0062 DUAL PERSOHAUTY TRAINER GENIIS BEAUTIFUL SUPER CHAMP W5 54 20 - 35 ENGINES 3 CHANNEL THE BEGINNERS KIlTEN AND EXPERTS TIGER Reonletionary snap en wrnQ eliminates belts fibber bands Complete kit $54 95 dealer direct GEMINI MODELS INC PO Ben 1109 Passae NJ 07055 150 Model Aviation MAGIC MAGNET BUILDER Eldon J Lind Co 2912 Walker Lee LoaAlamitos CA 90720 useful tool will last lifetime nothing wear out Magnetically holds balsa parts place white gluing No damagec split weakened wood using pina EBERLES IS YOUR HEADQUARTERS FOR HELICOPTERS EBEAEI COMPLETE LiNE OF HELICOPTERS PARTS & ACCESSORIES um o COMPETITOR PRO Fully acrobatic collectijie pitch plus new added bearings PROmodek4thENYAE0X. 43995 OS61FSR. 44995 ENYA chrome hell46995 OS61FSRH hell46995 o ANNOUNCING Th AVMLABIUTY OF KALT HEUCDflUS__ BARON 20-collective pitch. 18995 BARON 50A MARK ID autorotation coflective pitch .. 29995 BARON SOC custom collective pitch36795 BARON 50- custom Blackhead MK U46195 o CUSTOM HELl-BOY collective pitch automatic tail rotor compensation & aerobic kit ENYA 60X 34995 OS 61FSR 35995 ENYA chrome hell 37995 OS 61FSRH hell 37995 o SUPER MINI-BOY collective pitch autorotation tail ro tor compensation & aerobic kit ENVA 4OCX. 28495 ENVA 4SCX 29495 OS 4OFSR 28995 OS 45FSR 29995 o HEUCOPTER & ENGINE COMBO ENYA EOX Os 6IFSR HP 61 Gold Cup ENYA 60X hell OS 61FSH hd Some engines limited supply please order soon CaD prices EJ RADIOS Airtronics Futaba JR & Kraft AIRTHONICS 6 channel hell standard25495 JR Century seven 4501 servos25495 Supb ScaN Range f RC Halicogtaea Send $2 complete catalog ORDERING INFORMATION ALL ORDERS SHIPPED DAILY UPS 0425 add 350 $26$lOOadd450$l01-overadd600 BLUE LABEL- held 30 days Pennsyivania Residents add 6% sales tax add 10% merchandise total COD charge $165 Payment Eberles simply take order will endeavor answer COD orders cash money order certified check fast service please question may have will assist recommending right helicopter send certified check money order use credit card Personal checks will particular needs Thisalong prompt service equals trouble free flying 5eiid $ 01i1ete Ca Sell Helicopters & Fly Wel Co-Pilot Everytime Fly Phone 412 586-97669-9 PM 586-7768 672 PITTSBURGH RD BUTLER PA 16001 PRICis TO C~CT use Ive also included sketch template holder helps keep tri angles such some form order other item suggest obtain good drafting textbook Check out college bookstores used bookstores books can very helpful doing layouts draw ing Formulas pentagons areas stringer lofting etc can found also What waiting Get back drawing board RC SoaringlPrus Continued page 47 final requirement LSF Level V also new Unlimited Slope record 9 5310 side note Bob Champine Bob recently retired NASA test pilot dont know modeler enjoys sport Sailplaning Quiet Aw shucks werent nothin attitude get him talk about flying days find Out has over 200 different airplanes listed log book X prefix Heres wishing can log least 200 Sailplanes retirement log Bob foregoing flights made West Coast couple Midwest gents making plans Memorial Day weekend attempts Cross-Country rec ords different classes Jack Hiner fell short goal Declared Distance category over Memorial Day weekend 1983 set out again May 26th year Last year after covering 47 miles ground crew made wrong turn plane flew off course time realized too-strong wind prevented hove attaui ce-toari level 5kIll Lefore con etczrt enjoPin3 thi spot-t September1984 151