Top Once start some flight simulators youll have trouble remembering youre still ground However its awful lot easier press restart button repair re-kitted model Above dont need expensive computer system benefit RC modeling applications Inexpensive ones such Commodore-64 can handle tasks ever before computers have ability come aid modelers Presented just some practical ways can help club U Bruce R Evans BEFORE BECAME interested RC fly ing built home-brew computers Natur ally jumped modeling brought computers made-in-heaven marriage hobbies Un fortunately modelers dont realize what uses personal computers have hobby hope article will help dis cover potential some reason Ive found computer us ers interested scared off RC 58 Model Aviation hobbies Equally strange Ive found RC hobbyists look personal computers shy away getting involved Break ice Invite local computer club speak Radio Control club meetings Youll quickly get some idea what compu ters can have ready source advice information some ideas could discuss such meeting Computers great simulators Im sure youre familiar full-size simulators used airlines armed forces ever RC fliers dont realize flight simulation programs such SubLogics Flight Simulator II personal computers programs arent totally applicable model flying help After youve flown simula tors youll have good understanding what basic controls ailerons eleva tors rudders Youll easily see using elevator affects speed adjusting throttle affects altitude Most seasoned fliers know use what took years realize can yours few hours biggest drawback type simulator same pilots full-size aircraft can fly full-size plane seat pants cant model Another interesting flight simulation Chuck Yeagers Advanced Flight Simulator Microsoft Corporation has features Flight Simulator II has added innovation letting design own planes can enter specifications favorite plane flight test damaging anything valuable pride game programs can helpful Blue Max Synapse Software Commodore 64 program thats no longer available stores friend may have stashed away Screen representation joy stick response surprisingly accurate Itll help newcomer get feel controls computer friends can sug gest several others Im sure Recently several companies have come out simulators specifically RC pi lots good Dave Browns flight sim ulator runs personal computers Theres both fixed-wing Helicopter program program can see lifelike silhouette craft screen changes shape proportion just own model does goes away performs its maneuvers thing sets Dave Browns simulator apart rest transmitter box plugs computer way fly model controls like transmitter advantage simulators have ability pick up pieces after crash start over again Theyll certainly never replace real stick time theyre good practice both novices old hands simplest things can computer create computerized log best programs called data bases can vary very simple ones cost little nothing expensive business systems like dBase III plus R Base wont need bells whis tles expensive systems save few bucks complicated thing about using data base setting up Once again simpler better easiest way work September 1988 59 Most us dont have money need actually own full-blown computer-aided drafting CAD system often friend can borrow such system work typical computer-generated wing cross section Theres no reason couldnt use wind tunnel simulation program test design ever having build prototype bit practice child can copy scale plane CAD system using digi tizer pad Once computer has plans its memory can modify hearts content knowing changes can undone just few simple keystrokes data base think filing cabinet Just could use file folder airplane own youll have create record Theres no generalized way describing data bases out term record standard manual witt tell set up Within file folder should have information plane may include purchase price got long took build problems youve Later youll want add information about flight time repairs modifications called field again manual will tell set up What trips up terms records fields think former file folders latter information folder youve got beaten youre still having problems ask computer club friends hard part deciding what infor mation want store As minimum youll need cost dealer time build re pairs modifications awards won Youll certainly have other items must included Go ahead Youre re stricted amount memory computer can handle Once youve set up fun gins can compare various planes within club performance cost suitability given groupsay novices youre masochist use data figure out hours dollars youve vested hobby youre optimist use figures see hours youve enjoyed flying awards certain design has taken possibili ties endless can use computer data base maintain plane logging fly ing time youll see long batteries Continued page 148 Left A simple inexpensive modem will allow hook up computer hundreds bulletin boards through telephone lines Commercial boards such CompuServe let leave messages other modelers copy free programs modeling get unlimited help advice article actually transmitted modem authors home near Toronto Canada Model Aviations offices Res ton VA tough though stuffing photos down through phone jack Right Heres seemingly simple application will repay itself times over good feelings several programs such Certificate Maker let print professional quality certifi cates awards Youll surprised much help youll get someone after thank once appropriate certificate 60 Model Aviation ModelNetAMAs Computer Bulletin Board AMAs personal computer service Mod elNet has grown leaps bounds since its inception four years ago Mod elNet now visited over 2400 com puter users week ModelNet Forum special type bulletin board system runs Com puServe CompuServe worlds larg est personal computer networking com pany ModelNet offers its users mes sage board 16 different subjects Message threads easily read anyone can join conversation posting reply message ModelNets Libraries contain official AMA infor mation files uploaded users some articles Model Aviation Theres special Library newsletter editors use swap articles Another Li brary allows users submit AMA ap plication get overnight confirmation insurance coverage Club officers can confirm members AMA status have club rosters verified electronically through ModelNets Library 12 Finally 18 CONvention rooms ModelNetters get together real-time conversations often feature special guests supplies last AMA will send free CompuServe Intropak will al low sign immediately Contact Doug Pratt AMA HO 1810 Samuel Morse Dr Reston VA 22090 1-703/4350750 Intropak numerous word processors printing programs home computers make preparing clubs newsletter almost easy good program laser printer can turn out professional newsletters complete photos diagrams graphics ATIONS Wingspan50 Wing Area500 sq Length34 Weight3/2 4 lbs TERMSU Engine25 40 Check Money Order COD Cash Add $400 Shipping Add $300 COD Arizona Reaidents add 6% Sales Tax BACK BY POPULAR DEMAND FUMTOFLY SPORTS AIRCRAFT SLOW AND STABLE WITH 25 ENGINE FOR TRAINING FAST AND FULLY AEROBATIC WITH 40 ENGINE KIT FEATURES Built Up Wing & Fuselage Select Balsa Spruce & Light Plywood Parts Machined & Fitted Photo Illustrated Construction Book Complete Hardware Package DEALER Tn-Gear Tail Dragger INVITED i vi 1 Wna wu m 1 15 1 i m aa u —.a uinaa. m I flCA 1 ThAUC5 U 9 South Plaza Way #335Flagstaff Arizona 86001 fire up engine leave running rich long period time Bring up rich two-cycle allow run wide open its running needle out solid two-cycle continuously until fuel runs out Occasionally pinch fuel line en gine solid two-cycle make peak Quickly release fuel line needle en gine back slightly rich condition Repeat steps running out two three 10-to12-ox tanks fuel using ear protec tion doing arent Ed Now install prop caliber intend race Start engine slowly bring peak Check pinching fuel line seeing rpm increases releasing fuel line rpm doesnt rise pinch line running too lean Back offi engine reaches its peak speed read rpm tach record value Stop engine remove pipe start cutting length header quarter-inch increments After cut reinstall pipe reneedle engine its peak Read record rpm Con tinue doing until rpm no longer increases approximate length want run pipe alrcraft Actually may have go slightly shorter since engine unloads air pipe would tune pipe slightly shorter length what established test stand suggest first try air proper length estab lished test stand Lastly super engine will no good prop pipe pipe length etc working together Again combination things contribute top operation Most importantly must able fly aircraft consistently around pylonswhich requires practice fastest model world will always finish last cant bend around poles have written article hopes rank beginners will understand ben efit Obviously methods improving engines performance cheating other cheeks changes etc re quire dollars spare parts special tools some expensive purpose Sport Pylon use basically box-stock en gines would rather stay away types mods As mentioned first lines article right combination ingredi ents will competitive circuit Thanks Dennis OBrian good thoughts feel necessary modif engine need Formula Good luck PS have ideas helpful hints would benefit fellow flier send can pass along Please note new address given very top column Corn puters/Evans Continued page 60 last theyre running down quicker can keep track lasf re charged cycled battery packs keeping track recycling times youll know its time replace batter ies Youll know its time disassem ble engines whether different types fuel give less fouling computer better house full servants Its cheaper too Let look after tedious tasks model building several free programs show calculate plot alrfoils varying chords Ask computer friends check lo cal bulletin boards programs programs thatll print out wing rib patterns according specifica tions Ive seen inexpensive computers such Commodore-64 spend days hunched over drafting board can building flying Finally more simple computer programs showing up maga zines like such things calcu late appropriate center gravity match propeller specifications power drag factors figure out efficient fuel mixture may have type programs computer once youve done can share other members club between clubs member typed pro gram youd have club library Youll find time spend paid back times over time save avoiding hand cal culations dream scratch builders Scale en thusiasts able draft plan quickly easily change di mensions whenever want isnt pipe dream exists Computer Assisted Design CAD programs theyre readily available IBM- Macintosh-type computer Once youve en tered blueprint can modify change its scale size seconds youre happy results can restore original wink CAD systems neednt expensive Some low cost ones sell around $75 club could easily create librar ies plans exchange Im just walting see plans service will first supply blueprints three-view diagrams programs No RC club should computer first use jumps mind keep ing membership lists way nobody forgotten membership renewals can tracked dues can collected fairly Amazingly members wholl swear paid human collector last month promise pay next week will cough up confronted computerized state ment guess weve programmed creditors computers No club member wants spend hours bal ancing books could out flying Likewise no auditing committee wants burn out its collective eyes trying decipher hieroglyphics gen eral ledger Theyd rather use eyes track planes lot inex pensive free accounting programs lying around computerized accounting pack age will reduce treasurers bookkeep ing time 10 15 minutes month Better yet audit committee can check over printed reports during coffee break person turning out newsletter will job almost willingly have computer system Youll surprised much quality newsletter will improve youll able get items print hours instead daysso members will learn about last-minute changes Pattern con test week before event rather month after Systems run newsletter vary may have simple word processing pro gram lets print correctly punctu ated grammatically correct articles simpleand inexpensivedot matrix print er other end scale may have desktop publishing system lets 148 Model Aviation buildifl stabilitY easY flying Bomber esigfls started rimal PIaYI% timers fly hands off too di make perfect RIC trainer iost important lesson Leisure PlaybOY kits can teach open up theyre electric n sites see because silent can fly almost RIC hobby dealerpick up Leisure andsive Leisure 05 somber kit inexpen ure some good lesson print out graphs pictures model drawings laser printer Often sys tem use depends what mem bers have permission use offices cash budget interest RC flying can widened connecting computer telephone Thats hard sounds need black box called modem available computer stores vary ing prices Before get involved check friends use Theyll give lot pointers Once youve set up modem between computer telephone North America open calling up computer bulletin boards can send receive messages people across continent have similar interests merely type messages computer keyboard theyre recorded electronic bulletin boards just way tack up notices cork boards neighborhood supermarket Most bulletin boards have free access local therefore limited available information However com mercial ones such CompuServe Source link cities together Im famil iar CompuServe youll find area called ModelNet devoted entirely model planes cars boats Besides usual messages youll find computer pro grams such mentioned earlier plot wing ribs organize club mailing lists calculate center gravity com mercial boards have phone numbers local call cities can log long distances phone charges may find may want create single-purpose bulletin boards RC fly ing can display schedules local not-so-local events Theyre place can exchange messages ask questions give advice mes sages board sent across phone lines computer can read answer ask questions would possible include club newsletters line Thus editor can direcfly send output word proces sor bulletin board over phone Im mediately everyone can read out relying uncertainties post office As well other clubs can read share newsletters uses lunited clubs imagination danger getting computer may find yourself running flying building particularly dangerous club finds youve got dont let stop learn ing benefits personal computer can bring flying responding advertisers mention read about Model Aviation fere Steves sixth flight should have repeat before landed over minute short No 5 Bud Romak also using conventional props ceiling problems second fourth flights 10 models brought Bud broke sev eral Using new models last two flights Bud never quite got range needed Meanwhile Cezar Banks un able come close 4459 time hed achieved third flight went too high flight No 5 small side room end bleachers spent over hour calibrating variable-pitch prop preparation next effort Unfortu nately model stalled first launch possibly incurring some damage 15 minutes end meet Cezar elected change models Team Manager Bob Randolph processed model Cezar winding Just seconds end stick collapsed after launch over gala banquet followed shortly after end flying traditional awards few special ones awards First-place teamUSA World Cham pion Rushbrooke TrophyJim Rich mond Kopecky Trophy longest single September 1988 149 electriC a/C 0ldtin1ers Leisure playboyzo Bomber ome valuable electric R/C lessons Fundamental good electric flight bOY jiass~eight airframe Leisure ht airframes Bomber Oldtlmers both feature lightwei 1unibine powerful takeoff climb capabilities iimum sink rates long flights slow ~ndings Anothel Leisure LoOZO Bomber WingsP 70 ingATeO 630 sq power Weight ~0ggeartd2 51 Indoor WC/Tenny Continued page 63
Edition: Model Aviation - 1988/09
Page Numbers: 58, 59, 60, 148, 149
Top Once start some flight simulators youll have trouble remembering youre still ground However its awful lot easier press restart button repair re-kitted model Above dont need expensive computer system benefit RC modeling applications Inexpensive ones such Commodore-64 can handle tasks ever before computers have ability come aid modelers Presented just some practical ways can help club U Bruce R Evans BEFORE BECAME interested RC fly ing built home-brew computers Natur ally jumped modeling brought computers made-in-heaven marriage hobbies Un fortunately modelers dont realize what uses personal computers have hobby hope article will help dis cover potential some reason Ive found computer us ers interested scared off RC 58 Model Aviation hobbies Equally strange Ive found RC hobbyists look personal computers shy away getting involved Break ice Invite local computer club speak Radio Control club meetings Youll quickly get some idea what compu ters can have ready source advice information some ideas could discuss such meeting Computers great simulators Im sure youre familiar full-size simulators used airlines armed forces ever RC fliers dont realize flight simulation programs such SubLogics Flight Simulator II personal computers programs arent totally applicable model flying help After youve flown simula tors youll have good understanding what basic controls ailerons eleva tors rudders Youll easily see using elevator affects speed adjusting throttle affects altitude Most seasoned fliers know use what took years realize can yours few hours biggest drawback type simulator same pilots full-size aircraft can fly full-size plane seat pants cant model Another interesting flight simulation Chuck Yeagers Advanced Flight Simulator Microsoft Corporation has features Flight Simulator II has added innovation letting design own planes can enter specifications favorite plane flight test damaging anything valuable pride game programs can helpful Blue Max Synapse Software Commodore 64 program thats no longer available stores friend may have stashed away Screen representation joy stick response surprisingly accurate Itll help newcomer get feel controls computer friends can sug gest several others Im sure Recently several companies have come out simulators specifically RC pi lots good Dave Browns flight sim ulator runs personal computers Theres both fixed-wing Helicopter program program can see lifelike silhouette craft screen changes shape proportion just own model does goes away performs its maneuvers thing sets Dave Browns simulator apart rest transmitter box plugs computer way fly model controls like transmitter advantage simulators have ability pick up pieces after crash start over again Theyll certainly never replace real stick time theyre good practice both novices old hands simplest things can computer create computerized log best programs called data bases can vary very simple ones cost little nothing expensive business systems like dBase III plus R Base wont need bells whis tles expensive systems save few bucks complicated thing about using data base setting up Once again simpler better easiest way work September 1988 59 Most us dont have money need actually own full-blown computer-aided drafting CAD system often friend can borrow such system work typical computer-generated wing cross section Theres no reason couldnt use wind tunnel simulation program test design ever having build prototype bit practice child can copy scale plane CAD system using digi tizer pad Once computer has plans its memory can modify hearts content knowing changes can undone just few simple keystrokes data base think filing cabinet Just could use file folder airplane own youll have create record Theres no generalized way describing data bases out term record standard manual witt tell set up Within file folder should have information plane may include purchase price got long took build problems youve Later youll want add information about flight time repairs modifications called field again manual will tell set up What trips up terms records fields think former file folders latter information folder youve got beaten youre still having problems ask computer club friends hard part deciding what infor mation want store As minimum youll need cost dealer time build re pairs modifications awards won Youll certainly have other items must included Go ahead Youre re stricted amount memory computer can handle Once youve set up fun gins can compare various planes within club performance cost suitability given groupsay novices youre masochist use data figure out hours dollars youve vested hobby youre optimist use figures see hours youve enjoyed flying awards certain design has taken possibili ties endless can use computer data base maintain plane logging fly ing time youll see long batteries Continued page 148 Left A simple inexpensive modem will allow hook up computer hundreds bulletin boards through telephone lines Commercial boards such CompuServe let leave messages other modelers copy free programs modeling get unlimited help advice article actually transmitted modem authors home near Toronto Canada Model Aviations offices Res ton VA tough though stuffing photos down through phone jack Right Heres seemingly simple application will repay itself times over good feelings several programs such Certificate Maker let print professional quality certifi cates awards Youll surprised much help youll get someone after thank once appropriate certificate 60 Model Aviation ModelNetAMAs Computer Bulletin Board AMAs personal computer service Mod elNet has grown leaps bounds since its inception four years ago Mod elNet now visited over 2400 com puter users week ModelNet Forum special type bulletin board system runs Com puServe CompuServe worlds larg est personal computer networking com pany ModelNet offers its users mes sage board 16 different subjects Message threads easily read anyone can join conversation posting reply message ModelNets Libraries contain official AMA infor mation files uploaded users some articles Model Aviation Theres special Library newsletter editors use swap articles Another Li brary allows users submit AMA ap plication get overnight confirmation insurance coverage Club officers can confirm members AMA status have club rosters verified electronically through ModelNets Library 12 Finally 18 CONvention rooms ModelNetters get together real-time conversations often feature special guests supplies last AMA will send free CompuServe Intropak will al low sign immediately Contact Doug Pratt AMA HO 1810 Samuel Morse Dr Reston VA 22090 1-703/4350750 Intropak numerous word processors printing programs home computers make preparing clubs newsletter almost easy good program laser printer can turn out professional newsletters complete photos diagrams graphics ATIONS Wingspan50 Wing Area500 sq Length34 Weight3/2 4 lbs TERMSU Engine25 40 Check Money Order COD Cash Add $400 Shipping Add $300 COD Arizona Reaidents add 6% Sales Tax BACK BY POPULAR DEMAND FUMTOFLY SPORTS AIRCRAFT SLOW AND STABLE WITH 25 ENGINE FOR TRAINING FAST AND FULLY AEROBATIC WITH 40 ENGINE KIT FEATURES Built Up Wing & Fuselage Select Balsa Spruce & Light Plywood Parts Machined & Fitted Photo Illustrated Construction Book Complete Hardware Package DEALER Tn-Gear Tail Dragger INVITED i vi 1 Wna wu m 1 15 1 i m aa u —.a uinaa. m I flCA 1 ThAUC5 U 9 South Plaza Way #335Flagstaff Arizona 86001 fire up engine leave running rich long period time Bring up rich two-cycle allow run wide open its running needle out solid two-cycle continuously until fuel runs out Occasionally pinch fuel line en gine solid two-cycle make peak Quickly release fuel line needle en gine back slightly rich condition Repeat steps running out two three 10-to12-ox tanks fuel using ear protec tion doing arent Ed Now install prop caliber intend race Start engine slowly bring peak Check pinching fuel line seeing rpm increases releasing fuel line rpm doesnt rise pinch line running too lean Back offi engine reaches its peak speed read rpm tach record value Stop engine remove pipe start cutting length header quarter-inch increments After cut reinstall pipe reneedle engine its peak Read record rpm Con tinue doing until rpm no longer increases approximate length want run pipe alrcraft Actually may have go slightly shorter since engine unloads air pipe would tune pipe slightly shorter length what established test stand suggest first try air proper length estab lished test stand Lastly super engine will no good prop pipe pipe length etc working together Again combination things contribute top operation Most importantly must able fly aircraft consistently around pylonswhich requires practice fastest model world will always finish last cant bend around poles have written article hopes rank beginners will understand ben efit Obviously methods improving engines performance cheating other cheeks changes etc re quire dollars spare parts special tools some expensive purpose Sport Pylon use basically box-stock en gines would rather stay away types mods As mentioned first lines article right combination ingredi ents will competitive circuit Thanks Dennis OBrian good thoughts feel necessary modif engine need Formula Good luck PS have ideas helpful hints would benefit fellow flier send can pass along Please note new address given very top column Corn puters/Evans Continued page 60 last theyre running down quicker can keep track lasf re charged cycled battery packs keeping track recycling times youll know its time replace batter ies Youll know its time disassem ble engines whether different types fuel give less fouling computer better house full servants Its cheaper too Let look after tedious tasks model building several free programs show calculate plot alrfoils varying chords Ask computer friends check lo cal bulletin boards programs programs thatll print out wing rib patterns according specifica tions Ive seen inexpensive computers such Commodore-64 spend days hunched over drafting board can building flying Finally more simple computer programs showing up maga zines like such things calcu late appropriate center gravity match propeller specifications power drag factors figure out efficient fuel mixture may have type programs computer once youve done can share other members club between clubs member typed pro gram youd have club library Youll find time spend paid back times over time save avoiding hand cal culations dream scratch builders Scale en thusiasts able draft plan quickly easily change di mensions whenever want isnt pipe dream exists Computer Assisted Design CAD programs theyre readily available IBM- Macintosh-type computer Once youve en tered blueprint can modify change its scale size seconds youre happy results can restore original wink CAD systems neednt expensive Some low cost ones sell around $75 club could easily create librar ies plans exchange Im just walting see plans service will first supply blueprints three-view diagrams programs No RC club should computer first use jumps mind keep ing membership lists way nobody forgotten membership renewals can tracked dues can collected fairly Amazingly members wholl swear paid human collector last month promise pay next week will cough up confronted computerized state ment guess weve programmed creditors computers No club member wants spend hours bal ancing books could out flying Likewise no auditing committee wants burn out its collective eyes trying decipher hieroglyphics gen eral ledger Theyd rather use eyes track planes lot inex pensive free accounting programs lying around computerized accounting pack age will reduce treasurers bookkeep ing time 10 15 minutes month Better yet audit committee can check over printed reports during coffee break person turning out newsletter will job almost willingly have computer system Youll surprised much quality newsletter will improve youll able get items print hours instead daysso members will learn about last-minute changes Pattern con test week before event rather month after Systems run newsletter vary may have simple word processing pro gram lets print correctly punctu ated grammatically correct articles simpleand inexpensivedot matrix print er other end scale may have desktop publishing system lets 148 Model Aviation buildifl stabilitY easY flying Bomber esigfls started rimal PIaYI% timers fly hands off too di make perfect RIC trainer iost important lesson Leisure PlaybOY kits can teach open up theyre electric n sites see because silent can fly almost RIC hobby dealerpick up Leisure andsive Leisure 05 somber kit inexpen ure some good lesson print out graphs pictures model drawings laser printer Often sys tem use depends what mem bers have permission use offices cash budget interest RC flying can widened connecting computer telephone Thats hard sounds need black box called modem available computer stores vary ing prices Before get involved check friends use Theyll give lot pointers Once youve set up modem between computer telephone North America open calling up computer bulletin boards can send receive messages people across continent have similar interests merely type messages computer keyboard theyre recorded electronic bulletin boards just way tack up notices cork boards neighborhood supermarket Most bulletin boards have free access local therefore limited available information However com mercial ones such CompuServe Source link cities together Im famil iar CompuServe youll find area called ModelNet devoted entirely model planes cars boats Besides usual messages youll find computer pro grams such mentioned earlier plot wing ribs organize club mailing lists calculate center gravity com mercial boards have phone numbers local call cities can log long distances phone charges may find may want create single-purpose bulletin boards RC fly ing can display schedules local not-so-local events Theyre place can exchange messages ask questions give advice mes sages board sent across phone lines computer can read answer ask questions would possible include club newsletters line Thus editor can direcfly send output word proces sor bulletin board over phone Im mediately everyone can read out relying uncertainties post office As well other clubs can read share newsletters uses lunited clubs imagination danger getting computer may find yourself running flying building particularly dangerous club finds youve got dont let stop learn ing benefits personal computer can bring flying responding advertisers mention read about Model Aviation fere Steves sixth flight should have repeat before landed over minute short No 5 Bud Romak also using conventional props ceiling problems second fourth flights 10 models brought Bud broke sev eral Using new models last two flights Bud never quite got range needed Meanwhile Cezar Banks un able come close 4459 time hed achieved third flight went too high flight No 5 small side room end bleachers spent over hour calibrating variable-pitch prop preparation next effort Unfortu nately model stalled first launch possibly incurring some damage 15 minutes end meet Cezar elected change models Team Manager Bob Randolph processed model Cezar winding Just seconds end stick collapsed after launch over gala banquet followed shortly after end flying traditional awards few special ones awards First-place teamUSA World Cham pion Rushbrooke TrophyJim Rich mond Kopecky Trophy longest single September 1988 149 electriC a/C 0ldtin1ers Leisure playboyzo Bomber ome valuable electric R/C lessons Fundamental good electric flight bOY jiass~eight airframe Leisure ht airframes Bomber Oldtlmers both feature lightwei 1unibine powerful takeoff climb capabilities iimum sink rates long flights slow ~ndings Anothel Leisure LoOZO Bomber WingsP 70 ingATeO 630 sq power Weight ~0ggeartd2 51 Indoor WC/Tenny Continued page 63
Edition: Model Aviation - 1988/09
Page Numbers: 58, 59, 60, 148, 149
Top Once start some flight simulators youll have trouble remembering youre still ground However its awful lot easier press restart button repair re-kitted model Above dont need expensive computer system benefit RC modeling applications Inexpensive ones such Commodore-64 can handle tasks ever before computers have ability come aid modelers Presented just some practical ways can help club U Bruce R Evans BEFORE BECAME interested RC fly ing built home-brew computers Natur ally jumped modeling brought computers made-in-heaven marriage hobbies Un fortunately modelers dont realize what uses personal computers have hobby hope article will help dis cover potential some reason Ive found computer us ers interested scared off RC 58 Model Aviation hobbies Equally strange Ive found RC hobbyists look personal computers shy away getting involved Break ice Invite local computer club speak Radio Control club meetings Youll quickly get some idea what compu ters can have ready source advice information some ideas could discuss such meeting Computers great simulators Im sure youre familiar full-size simulators used airlines armed forces ever RC fliers dont realize flight simulation programs such SubLogics Flight Simulator II personal computers programs arent totally applicable model flying help After youve flown simula tors youll have good understanding what basic controls ailerons eleva tors rudders Youll easily see using elevator affects speed adjusting throttle affects altitude Most seasoned fliers know use what took years realize can yours few hours biggest drawback type simulator same pilots full-size aircraft can fly full-size plane seat pants cant model Another interesting flight simulation Chuck Yeagers Advanced Flight Simulator Microsoft Corporation has features Flight Simulator II has added innovation letting design own planes can enter specifications favorite plane flight test damaging anything valuable pride game programs can helpful Blue Max Synapse Software Commodore 64 program thats no longer available stores friend may have stashed away Screen representation joy stick response surprisingly accurate Itll help newcomer get feel controls computer friends can sug gest several others Im sure Recently several companies have come out simulators specifically RC pi lots good Dave Browns flight sim ulator runs personal computers Theres both fixed-wing Helicopter program program can see lifelike silhouette craft screen changes shape proportion just own model does goes away performs its maneuvers thing sets Dave Browns simulator apart rest transmitter box plugs computer way fly model controls like transmitter advantage simulators have ability pick up pieces after crash start over again Theyll certainly never replace real stick time theyre good practice both novices old hands simplest things can computer create computerized log best programs called data bases can vary very simple ones cost little nothing expensive business systems like dBase III plus R Base wont need bells whis tles expensive systems save few bucks complicated thing about using data base setting up Once again simpler better easiest way work September 1988 59 Most us dont have money need actually own full-blown computer-aided drafting CAD system often friend can borrow such system work typical computer-generated wing cross section Theres no reason couldnt use wind tunnel simulation program test design ever having build prototype bit practice child can copy scale plane CAD system using digi tizer pad Once computer has plans its memory can modify hearts content knowing changes can undone just few simple keystrokes data base think filing cabinet Just could use file folder airplane own youll have create record Theres no generalized way describing data bases out term record standard manual witt tell set up Within file folder should have information plane may include purchase price got long took build problems youve Later youll want add information about flight time repairs modifications called field again manual will tell set up What trips up terms records fields think former file folders latter information folder youve got beaten youre still having problems ask computer club friends hard part deciding what infor mation want store As minimum youll need cost dealer time build re pairs modifications awards won Youll certainly have other items must included Go ahead Youre re stricted amount memory computer can handle Once youve set up fun gins can compare various planes within club performance cost suitability given groupsay novices youre masochist use data figure out hours dollars youve vested hobby youre optimist use figures see hours youve enjoyed flying awards certain design has taken possibili ties endless can use computer data base maintain plane logging fly ing time youll see long batteries Continued page 148 Left A simple inexpensive modem will allow hook up computer hundreds bulletin boards through telephone lines Commercial boards such CompuServe let leave messages other modelers copy free programs modeling get unlimited help advice article actually transmitted modem authors home near Toronto Canada Model Aviations offices Res ton VA tough though stuffing photos down through phone jack Right Heres seemingly simple application will repay itself times over good feelings several programs such Certificate Maker let print professional quality certifi cates awards Youll surprised much help youll get someone after thank once appropriate certificate 60 Model Aviation ModelNetAMAs Computer Bulletin Board AMAs personal computer service Mod elNet has grown leaps bounds since its inception four years ago Mod elNet now visited over 2400 com puter users week ModelNet Forum special type bulletin board system runs Com puServe CompuServe worlds larg est personal computer networking com pany ModelNet offers its users mes sage board 16 different subjects Message threads easily read anyone can join conversation posting reply message ModelNets Libraries contain official AMA infor mation files uploaded users some articles Model Aviation Theres special Library newsletter editors use swap articles Another Li brary allows users submit AMA ap plication get overnight confirmation insurance coverage Club officers can confirm members AMA status have club rosters verified electronically through ModelNets Library 12 Finally 18 CONvention rooms ModelNetters get together real-time conversations often feature special guests supplies last AMA will send free CompuServe Intropak will al low sign immediately Contact Doug Pratt AMA HO 1810 Samuel Morse Dr Reston VA 22090 1-703/4350750 Intropak numerous word processors printing programs home computers make preparing clubs newsletter almost easy good program laser printer can turn out professional newsletters complete photos diagrams graphics ATIONS Wingspan50 Wing Area500 sq Length34 Weight3/2 4 lbs TERMSU Engine25 40 Check Money Order COD Cash Add $400 Shipping Add $300 COD Arizona Reaidents add 6% Sales Tax BACK BY POPULAR DEMAND FUMTOFLY SPORTS AIRCRAFT SLOW AND STABLE WITH 25 ENGINE FOR TRAINING FAST AND FULLY AEROBATIC WITH 40 ENGINE KIT FEATURES Built Up Wing & Fuselage Select Balsa Spruce & Light Plywood Parts Machined & Fitted Photo Illustrated Construction Book Complete Hardware Package DEALER Tn-Gear Tail Dragger INVITED i vi 1 Wna wu m 1 15 1 i m aa u —.a uinaa. m I flCA 1 ThAUC5 U 9 South Plaza Way #335Flagstaff Arizona 86001 fire up engine leave running rich long period time Bring up rich two-cycle allow run wide open its running needle out solid two-cycle continuously until fuel runs out Occasionally pinch fuel line en gine solid two-cycle make peak Quickly release fuel line needle en gine back slightly rich condition Repeat steps running out two three 10-to12-ox tanks fuel using ear protec tion doing arent Ed Now install prop caliber intend race Start engine slowly bring peak Check pinching fuel line seeing rpm increases releasing fuel line rpm doesnt rise pinch line running too lean Back offi engine reaches its peak speed read rpm tach record value Stop engine remove pipe start cutting length header quarter-inch increments After cut reinstall pipe reneedle engine its peak Read record rpm Con tinue doing until rpm no longer increases approximate length want run pipe alrcraft Actually may have go slightly shorter since engine unloads air pipe would tune pipe slightly shorter length what established test stand suggest first try air proper length estab lished test stand Lastly super engine will no good prop pipe pipe length etc working together Again combination things contribute top operation Most importantly must able fly aircraft consistently around pylonswhich requires practice fastest model world will always finish last cant bend around poles have written article hopes rank beginners will understand ben efit Obviously methods improving engines performance cheating other cheeks changes etc re quire dollars spare parts special tools some expensive purpose Sport Pylon use basically box-stock en gines would rather stay away types mods As mentioned first lines article right combination ingredi ents will competitive circuit Thanks Dennis OBrian good thoughts feel necessary modif engine need Formula Good luck PS have ideas helpful hints would benefit fellow flier send can pass along Please note new address given very top column Corn puters/Evans Continued page 60 last theyre running down quicker can keep track lasf re charged cycled battery packs keeping track recycling times youll know its time replace batter ies Youll know its time disassem ble engines whether different types fuel give less fouling computer better house full servants Its cheaper too Let look after tedious tasks model building several free programs show calculate plot alrfoils varying chords Ask computer friends check lo cal bulletin boards programs programs thatll print out wing rib patterns according specifica tions Ive seen inexpensive computers such Commodore-64 spend days hunched over drafting board can building flying Finally more simple computer programs showing up maga zines like such things calcu late appropriate center gravity match propeller specifications power drag factors figure out efficient fuel mixture may have type programs computer once youve done can share other members club between clubs member typed pro gram youd have club library Youll find time spend paid back times over time save avoiding hand cal culations dream scratch builders Scale en thusiasts able draft plan quickly easily change di mensions whenever want isnt pipe dream exists Computer Assisted Design CAD programs theyre readily available IBM- Macintosh-type computer Once youve en tered blueprint can modify change its scale size seconds youre happy results can restore original wink CAD systems neednt expensive Some low cost ones sell around $75 club could easily create librar ies plans exchange Im just walting see plans service will first supply blueprints three-view diagrams programs No RC club should computer first use jumps mind keep ing membership lists way nobody forgotten membership renewals can tracked dues can collected fairly Amazingly members wholl swear paid human collector last month promise pay next week will cough up confronted computerized state ment guess weve programmed creditors computers No club member wants spend hours bal ancing books could out flying Likewise no auditing committee wants burn out its collective eyes trying decipher hieroglyphics gen eral ledger Theyd rather use eyes track planes lot inex pensive free accounting programs lying around computerized accounting pack age will reduce treasurers bookkeep ing time 10 15 minutes month Better yet audit committee can check over printed reports during coffee break person turning out newsletter will job almost willingly have computer system Youll surprised much quality newsletter will improve youll able get items print hours instead daysso members will learn about last-minute changes Pattern con test week before event rather month after Systems run newsletter vary may have simple word processing pro gram lets print correctly punctu ated grammatically correct articles simpleand inexpensivedot matrix print er other end scale may have desktop publishing system lets 148 Model Aviation buildifl stabilitY easY flying Bomber esigfls started rimal PIaYI% timers fly hands off too di make perfect RIC trainer iost important lesson Leisure PlaybOY kits can teach open up theyre electric n sites see because silent can fly almost RIC hobby dealerpick up Leisure andsive Leisure 05 somber kit inexpen ure some good lesson print out graphs pictures model drawings laser printer Often sys tem use depends what mem bers have permission use offices cash budget interest RC flying can widened connecting computer telephone Thats hard sounds need black box called modem available computer stores vary ing prices Before get involved check friends use Theyll give lot pointers Once youve set up modem between computer telephone North America open calling up computer bulletin boards can send receive messages people across continent have similar interests merely type messages computer keyboard theyre recorded electronic bulletin boards just way tack up notices cork boards neighborhood supermarket Most bulletin boards have free access local therefore limited available information However com mercial ones such CompuServe Source link cities together Im famil iar CompuServe youll find area called ModelNet devoted entirely model planes cars boats Besides usual messages youll find computer pro grams such mentioned earlier plot wing ribs organize club mailing lists calculate center gravity com mercial boards have phone numbers local call cities can log long distances phone charges may find may want create single-purpose bulletin boards RC fly ing can display schedules local not-so-local events Theyre place can exchange messages ask questions give advice mes sages board sent across phone lines computer can read answer ask questions would possible include club newsletters line Thus editor can direcfly send output word proces sor bulletin board over phone Im mediately everyone can read out relying uncertainties post office As well other clubs can read share newsletters uses lunited clubs imagination danger getting computer may find yourself running flying building particularly dangerous club finds youve got dont let stop learn ing benefits personal computer can bring flying responding advertisers mention read about Model Aviation fere Steves sixth flight should have repeat before landed over minute short No 5 Bud Romak also using conventional props ceiling problems second fourth flights 10 models brought Bud broke sev eral Using new models last two flights Bud never quite got range needed Meanwhile Cezar Banks un able come close 4459 time hed achieved third flight went too high flight No 5 small side room end bleachers spent over hour calibrating variable-pitch prop preparation next effort Unfortu nately model stalled first launch possibly incurring some damage 15 minutes end meet Cezar elected change models Team Manager Bob Randolph processed model Cezar winding Just seconds end stick collapsed after launch over gala banquet followed shortly after end flying traditional awards few special ones awards First-place teamUSA World Cham pion Rushbrooke TrophyJim Rich mond Kopecky Trophy longest single September 1988 149 electriC a/C 0ldtin1ers Leisure playboyzo Bomber ome valuable electric R/C lessons Fundamental good electric flight bOY jiass~eight airframe Leisure ht airframes Bomber Oldtlmers both feature lightwei 1unibine powerful takeoff climb capabilities iimum sink rates long flights slow ~ndings Anothel Leisure LoOZO Bomber WingsP 70 ingATeO 630 sq power Weight ~0ggeartd2 51 Indoor WC/Tenny Continued page 63
Edition: Model Aviation - 1988/09
Page Numbers: 58, 59, 60, 148, 149
Top Once start some flight simulators youll have trouble remembering youre still ground However its awful lot easier press restart button repair re-kitted model Above dont need expensive computer system benefit RC modeling applications Inexpensive ones such Commodore-64 can handle tasks ever before computers have ability come aid modelers Presented just some practical ways can help club U Bruce R Evans BEFORE BECAME interested RC fly ing built home-brew computers Natur ally jumped modeling brought computers made-in-heaven marriage hobbies Un fortunately modelers dont realize what uses personal computers have hobby hope article will help dis cover potential some reason Ive found computer us ers interested scared off RC 58 Model Aviation hobbies Equally strange Ive found RC hobbyists look personal computers shy away getting involved Break ice Invite local computer club speak Radio Control club meetings Youll quickly get some idea what compu ters can have ready source advice information some ideas could discuss such meeting Computers great simulators Im sure youre familiar full-size simulators used airlines armed forces ever RC fliers dont realize flight simulation programs such SubLogics Flight Simulator II personal computers programs arent totally applicable model flying help After youve flown simula tors youll have good understanding what basic controls ailerons eleva tors rudders Youll easily see using elevator affects speed adjusting throttle affects altitude Most seasoned fliers know use what took years realize can yours few hours biggest drawback type simulator same pilots full-size aircraft can fly full-size plane seat pants cant model Another interesting flight simulation Chuck Yeagers Advanced Flight Simulator Microsoft Corporation has features Flight Simulator II has added innovation letting design own planes can enter specifications favorite plane flight test damaging anything valuable pride game programs can helpful Blue Max Synapse Software Commodore 64 program thats no longer available stores friend may have stashed away Screen representation joy stick response surprisingly accurate Itll help newcomer get feel controls computer friends can sug gest several others Im sure Recently several companies have come out simulators specifically RC pi lots good Dave Browns flight sim ulator runs personal computers Theres both fixed-wing Helicopter program program can see lifelike silhouette craft screen changes shape proportion just own model does goes away performs its maneuvers thing sets Dave Browns simulator apart rest transmitter box plugs computer way fly model controls like transmitter advantage simulators have ability pick up pieces after crash start over again Theyll certainly never replace real stick time theyre good practice both novices old hands simplest things can computer create computerized log best programs called data bases can vary very simple ones cost little nothing expensive business systems like dBase III plus R Base wont need bells whis tles expensive systems save few bucks complicated thing about using data base setting up Once again simpler better easiest way work September 1988 59 Most us dont have money need actually own full-blown computer-aided drafting CAD system often friend can borrow such system work typical computer-generated wing cross section Theres no reason couldnt use wind tunnel simulation program test design ever having build prototype bit practice child can copy scale plane CAD system using digi tizer pad Once computer has plans its memory can modify hearts content knowing changes can undone just few simple keystrokes data base think filing cabinet Just could use file folder airplane own youll have create record Theres no generalized way describing data bases out term record standard manual witt tell set up Within file folder should have information plane may include purchase price got long took build problems youve Later youll want add information about flight time repairs modifications called field again manual will tell set up What trips up terms records fields think former file folders latter information folder youve got beaten youre still having problems ask computer club friends hard part deciding what infor mation want store As minimum youll need cost dealer time build re pairs modifications awards won Youll certainly have other items must included Go ahead Youre re stricted amount memory computer can handle Once youve set up fun gins can compare various planes within club performance cost suitability given groupsay novices youre masochist use data figure out hours dollars youve vested hobby youre optimist use figures see hours youve enjoyed flying awards certain design has taken possibili ties endless can use computer data base maintain plane logging fly ing time youll see long batteries Continued page 148 Left A simple inexpensive modem will allow hook up computer hundreds bulletin boards through telephone lines Commercial boards such CompuServe let leave messages other modelers copy free programs modeling get unlimited help advice article actually transmitted modem authors home near Toronto Canada Model Aviations offices Res ton VA tough though stuffing photos down through phone jack Right Heres seemingly simple application will repay itself times over good feelings several programs such Certificate Maker let print professional quality certifi cates awards Youll surprised much help youll get someone after thank once appropriate certificate 60 Model Aviation ModelNetAMAs Computer Bulletin Board AMAs personal computer service Mod elNet has grown leaps bounds since its inception four years ago Mod elNet now visited over 2400 com puter users week ModelNet Forum special type bulletin board system runs Com puServe CompuServe worlds larg est personal computer networking com pany ModelNet offers its users mes sage board 16 different subjects Message threads easily read anyone can join conversation posting reply message ModelNets Libraries contain official AMA infor mation files uploaded users some articles Model Aviation Theres special Library newsletter editors use swap articles Another Li brary allows users submit AMA ap plication get overnight confirmation insurance coverage Club officers can confirm members AMA status have club rosters verified electronically through ModelNets Library 12 Finally 18 CONvention rooms ModelNetters get together real-time conversations often feature special guests supplies last AMA will send free CompuServe Intropak will al low sign immediately Contact Doug Pratt AMA HO 1810 Samuel Morse Dr Reston VA 22090 1-703/4350750 Intropak numerous word processors printing programs home computers make preparing clubs newsletter almost easy good program laser printer can turn out professional newsletters complete photos diagrams graphics ATIONS Wingspan50 Wing Area500 sq Length34 Weight3/2 4 lbs TERMSU Engine25 40 Check Money Order COD Cash Add $400 Shipping Add $300 COD Arizona Reaidents add 6% Sales Tax BACK BY POPULAR DEMAND FUMTOFLY SPORTS AIRCRAFT SLOW AND STABLE WITH 25 ENGINE FOR TRAINING FAST AND FULLY AEROBATIC WITH 40 ENGINE KIT FEATURES Built Up Wing & Fuselage Select Balsa Spruce & Light Plywood Parts Machined & Fitted Photo Illustrated Construction Book Complete Hardware Package DEALER Tn-Gear Tail Dragger INVITED i vi 1 Wna wu m 1 15 1 i m aa u —.a uinaa. m I flCA 1 ThAUC5 U 9 South Plaza Way #335Flagstaff Arizona 86001 fire up engine leave running rich long period time Bring up rich two-cycle allow run wide open its running needle out solid two-cycle continuously until fuel runs out Occasionally pinch fuel line en gine solid two-cycle make peak Quickly release fuel line needle en gine back slightly rich condition Repeat steps running out two three 10-to12-ox tanks fuel using ear protec tion doing arent Ed Now install prop caliber intend race Start engine slowly bring peak Check pinching fuel line seeing rpm increases releasing fuel line rpm doesnt rise pinch line running too lean Back offi engine reaches its peak speed read rpm tach record value Stop engine remove pipe start cutting length header quarter-inch increments After cut reinstall pipe reneedle engine its peak Read record rpm Con tinue doing until rpm no longer increases approximate length want run pipe alrcraft Actually may have go slightly shorter since engine unloads air pipe would tune pipe slightly shorter length what established test stand suggest first try air proper length estab lished test stand Lastly super engine will no good prop pipe pipe length etc working together Again combination things contribute top operation Most importantly must able fly aircraft consistently around pylonswhich requires practice fastest model world will always finish last cant bend around poles have written article hopes rank beginners will understand ben efit Obviously methods improving engines performance cheating other cheeks changes etc re quire dollars spare parts special tools some expensive purpose Sport Pylon use basically box-stock en gines would rather stay away types mods As mentioned first lines article right combination ingredi ents will competitive circuit Thanks Dennis OBrian good thoughts feel necessary modif engine need Formula Good luck PS have ideas helpful hints would benefit fellow flier send can pass along Please note new address given very top column Corn puters/Evans Continued page 60 last theyre running down quicker can keep track lasf re charged cycled battery packs keeping track recycling times youll know its time replace batter ies Youll know its time disassem ble engines whether different types fuel give less fouling computer better house full servants Its cheaper too Let look after tedious tasks model building several free programs show calculate plot alrfoils varying chords Ask computer friends check lo cal bulletin boards programs programs thatll print out wing rib patterns according specifica tions Ive seen inexpensive computers such Commodore-64 spend days hunched over drafting board can building flying Finally more simple computer programs showing up maga zines like such things calcu late appropriate center gravity match propeller specifications power drag factors figure out efficient fuel mixture may have type programs computer once youve done can share other members club between clubs member typed pro gram youd have club library Youll find time spend paid back times over time save avoiding hand cal culations dream scratch builders Scale en thusiasts able draft plan quickly easily change di mensions whenever want isnt pipe dream exists Computer Assisted Design CAD programs theyre readily available IBM- Macintosh-type computer Once youve en tered blueprint can modify change its scale size seconds youre happy results can restore original wink CAD systems neednt expensive Some low cost ones sell around $75 club could easily create librar ies plans exchange Im just walting see plans service will first supply blueprints three-view diagrams programs No RC club should computer first use jumps mind keep ing membership lists way nobody forgotten membership renewals can tracked dues can collected fairly Amazingly members wholl swear paid human collector last month promise pay next week will cough up confronted computerized state ment guess weve programmed creditors computers No club member wants spend hours bal ancing books could out flying Likewise no auditing committee wants burn out its collective eyes trying decipher hieroglyphics gen eral ledger Theyd rather use eyes track planes lot inex pensive free accounting programs lying around computerized accounting pack age will reduce treasurers bookkeep ing time 10 15 minutes month Better yet audit committee can check over printed reports during coffee break person turning out newsletter will job almost willingly have computer system Youll surprised much quality newsletter will improve youll able get items print hours instead daysso members will learn about last-minute changes Pattern con test week before event rather month after Systems run newsletter vary may have simple word processing pro gram lets print correctly punctu ated grammatically correct articles simpleand inexpensivedot matrix print er other end scale may have desktop publishing system lets 148 Model Aviation buildifl stabilitY easY flying Bomber esigfls started rimal PIaYI% timers fly hands off too di make perfect RIC trainer iost important lesson Leisure PlaybOY kits can teach open up theyre electric n sites see because silent can fly almost RIC hobby dealerpick up Leisure andsive Leisure 05 somber kit inexpen ure some good lesson print out graphs pictures model drawings laser printer Often sys tem use depends what mem bers have permission use offices cash budget interest RC flying can widened connecting computer telephone Thats hard sounds need black box called modem available computer stores vary ing prices Before get involved check friends use Theyll give lot pointers Once youve set up modem between computer telephone North America open calling up computer bulletin boards can send receive messages people across continent have similar interests merely type messages computer keyboard theyre recorded electronic bulletin boards just way tack up notices cork boards neighborhood supermarket Most bulletin boards have free access local therefore limited available information However com mercial ones such CompuServe Source link cities together Im famil iar CompuServe youll find area called ModelNet devoted entirely model planes cars boats Besides usual messages youll find computer pro grams such mentioned earlier plot wing ribs organize club mailing lists calculate center gravity com mercial boards have phone numbers local call cities can log long distances phone charges may find may want create single-purpose bulletin boards RC fly ing can display schedules local not-so-local events Theyre place can exchange messages ask questions give advice mes sages board sent across phone lines computer can read answer ask questions would possible include club newsletters line Thus editor can direcfly send output word proces sor bulletin board over phone Im mediately everyone can read out relying uncertainties post office As well other clubs can read share newsletters uses lunited clubs imagination danger getting computer may find yourself running flying building particularly dangerous club finds youve got dont let stop learn ing benefits personal computer can bring flying responding advertisers mention read about Model Aviation fere Steves sixth flight should have repeat before landed over minute short No 5 Bud Romak also using conventional props ceiling problems second fourth flights 10 models brought Bud broke sev eral Using new models last two flights Bud never quite got range needed Meanwhile Cezar Banks un able come close 4459 time hed achieved third flight went too high flight No 5 small side room end bleachers spent over hour calibrating variable-pitch prop preparation next effort Unfortu nately model stalled first launch possibly incurring some damage 15 minutes end meet Cezar elected change models Team Manager Bob Randolph processed model Cezar winding Just seconds end stick collapsed after launch over gala banquet followed shortly after end flying traditional awards few special ones awards First-place teamUSA World Cham pion Rushbrooke TrophyJim Rich mond Kopecky Trophy longest single September 1988 149 electriC a/C 0ldtin1ers Leisure playboyzo Bomber ome valuable electric R/C lessons Fundamental good electric flight bOY jiass~eight airframe Leisure ht airframes Bomber Oldtlmers both feature lightwei 1unibine powerful takeoff climb capabilities iimum sink rates long flights slow ~ndings Anothel Leisure LoOZO Bomber WingsP 70 ingATeO 630 sq power Weight ~0ggeartd2 51 Indoor WC/Tenny Continued page 63
Edition: Model Aviation - 1988/09
Page Numbers: 58, 59, 60, 148, 149
Top Once start some flight simulators youll have trouble remembering youre still ground However its awful lot easier press restart button repair re-kitted model Above dont need expensive computer system benefit RC modeling applications Inexpensive ones such Commodore-64 can handle tasks ever before computers have ability come aid modelers Presented just some practical ways can help club U Bruce R Evans BEFORE BECAME interested RC fly ing built home-brew computers Natur ally jumped modeling brought computers made-in-heaven marriage hobbies Un fortunately modelers dont realize what uses personal computers have hobby hope article will help dis cover potential some reason Ive found computer us ers interested scared off RC 58 Model Aviation hobbies Equally strange Ive found RC hobbyists look personal computers shy away getting involved Break ice Invite local computer club speak Radio Control club meetings Youll quickly get some idea what compu ters can have ready source advice information some ideas could discuss such meeting Computers great simulators Im sure youre familiar full-size simulators used airlines armed forces ever RC fliers dont realize flight simulation programs such SubLogics Flight Simulator II personal computers programs arent totally applicable model flying help After youve flown simula tors youll have good understanding what basic controls ailerons eleva tors rudders Youll easily see using elevator affects speed adjusting throttle affects altitude Most seasoned fliers know use what took years realize can yours few hours biggest drawback type simulator same pilots full-size aircraft can fly full-size plane seat pants cant model Another interesting flight simulation Chuck Yeagers Advanced Flight Simulator Microsoft Corporation has features Flight Simulator II has added innovation letting design own planes can enter specifications favorite plane flight test damaging anything valuable pride game programs can helpful Blue Max Synapse Software Commodore 64 program thats no longer available stores friend may have stashed away Screen representation joy stick response surprisingly accurate Itll help newcomer get feel controls computer friends can sug gest several others Im sure Recently several companies have come out simulators specifically RC pi lots good Dave Browns flight sim ulator runs personal computers Theres both fixed-wing Helicopter program program can see lifelike silhouette craft screen changes shape proportion just own model does goes away performs its maneuvers thing sets Dave Browns simulator apart rest transmitter box plugs computer way fly model controls like transmitter advantage simulators have ability pick up pieces after crash start over again Theyll certainly never replace real stick time theyre good practice both novices old hands simplest things can computer create computerized log best programs called data bases can vary very simple ones cost little nothing expensive business systems like dBase III plus R Base wont need bells whis tles expensive systems save few bucks complicated thing about using data base setting up Once again simpler better easiest way work September 1988 59 Most us dont have money need actually own full-blown computer-aided drafting CAD system often friend can borrow such system work typical computer-generated wing cross section Theres no reason couldnt use wind tunnel simulation program test design ever having build prototype bit practice child can copy scale plane CAD system using digi tizer pad Once computer has plans its memory can modify hearts content knowing changes can undone just few simple keystrokes data base think filing cabinet Just could use file folder airplane own youll have create record Theres no generalized way describing data bases out term record standard manual witt tell set up Within file folder should have information plane may include purchase price got long took build problems youve Later youll want add information about flight time repairs modifications called field again manual will tell set up What trips up terms records fields think former file folders latter information folder youve got beaten youre still having problems ask computer club friends hard part deciding what infor mation want store As minimum youll need cost dealer time build re pairs modifications awards won Youll certainly have other items must included Go ahead Youre re stricted amount memory computer can handle Once youve set up fun gins can compare various planes within club performance cost suitability given groupsay novices youre masochist use data figure out hours dollars youve vested hobby youre optimist use figures see hours youve enjoyed flying awards certain design has taken possibili ties endless can use computer data base maintain plane logging fly ing time youll see long batteries Continued page 148 Left A simple inexpensive modem will allow hook up computer hundreds bulletin boards through telephone lines Commercial boards such CompuServe let leave messages other modelers copy free programs modeling get unlimited help advice article actually transmitted modem authors home near Toronto Canada Model Aviations offices Res ton VA tough though stuffing photos down through phone jack Right Heres seemingly simple application will repay itself times over good feelings several programs such Certificate Maker let print professional quality certifi cates awards Youll surprised much help youll get someone after thank once appropriate certificate 60 Model Aviation ModelNetAMAs Computer Bulletin Board AMAs personal computer service Mod elNet has grown leaps bounds since its inception four years ago Mod elNet now visited over 2400 com puter users week ModelNet Forum special type bulletin board system runs Com puServe CompuServe worlds larg est personal computer networking com pany ModelNet offers its users mes sage board 16 different subjects Message threads easily read anyone can join conversation posting reply message ModelNets Libraries contain official AMA infor mation files uploaded users some articles Model Aviation Theres special Library newsletter editors use swap articles Another Li brary allows users submit AMA ap plication get overnight confirmation insurance coverage Club officers can confirm members AMA status have club rosters verified electronically through ModelNets Library 12 Finally 18 CONvention rooms ModelNetters get together real-time conversations often feature special guests supplies last AMA will send free CompuServe Intropak will al low sign immediately Contact Doug Pratt AMA HO 1810 Samuel Morse Dr Reston VA 22090 1-703/4350750 Intropak numerous word processors printing programs home computers make preparing clubs newsletter almost easy good program laser printer can turn out professional newsletters complete photos diagrams graphics ATIONS Wingspan50 Wing Area500 sq Length34 Weight3/2 4 lbs TERMSU Engine25 40 Check Money Order COD Cash Add $400 Shipping Add $300 COD Arizona Reaidents add 6% Sales Tax BACK BY POPULAR DEMAND FUMTOFLY SPORTS AIRCRAFT SLOW AND STABLE WITH 25 ENGINE FOR TRAINING FAST AND FULLY AEROBATIC WITH 40 ENGINE KIT FEATURES Built Up Wing & Fuselage Select Balsa Spruce & Light Plywood Parts Machined & Fitted Photo Illustrated Construction Book Complete Hardware Package DEALER Tn-Gear Tail Dragger INVITED i vi 1 Wna wu m 1 15 1 i m aa u —.a uinaa. m I flCA 1 ThAUC5 U 9 South Plaza Way #335Flagstaff Arizona 86001 fire up engine leave running rich long period time Bring up rich two-cycle allow run wide open its running needle out solid two-cycle continuously until fuel runs out Occasionally pinch fuel line en gine solid two-cycle make peak Quickly release fuel line needle en gine back slightly rich condition Repeat steps running out two three 10-to12-ox tanks fuel using ear protec tion doing arent Ed Now install prop caliber intend race Start engine slowly bring peak Check pinching fuel line seeing rpm increases releasing fuel line rpm doesnt rise pinch line running too lean Back offi engine reaches its peak speed read rpm tach record value Stop engine remove pipe start cutting length header quarter-inch increments After cut reinstall pipe reneedle engine its peak Read record rpm Con tinue doing until rpm no longer increases approximate length want run pipe alrcraft Actually may have go slightly shorter since engine unloads air pipe would tune pipe slightly shorter length what established test stand suggest first try air proper length estab lished test stand Lastly super engine will no good prop pipe pipe length etc working together Again combination things contribute top operation Most importantly must able fly aircraft consistently around pylonswhich requires practice fastest model world will always finish last cant bend around poles have written article hopes rank beginners will understand ben efit Obviously methods improving engines performance cheating other cheeks changes etc re quire dollars spare parts special tools some expensive purpose Sport Pylon use basically box-stock en gines would rather stay away types mods As mentioned first lines article right combination ingredi ents will competitive circuit Thanks Dennis OBrian good thoughts feel necessary modif engine need Formula Good luck PS have ideas helpful hints would benefit fellow flier send can pass along Please note new address given very top column Corn puters/Evans Continued page 60 last theyre running down quicker can keep track lasf re charged cycled battery packs keeping track recycling times youll know its time replace batter ies Youll know its time disassem ble engines whether different types fuel give less fouling computer better house full servants Its cheaper too Let look after tedious tasks model building several free programs show calculate plot alrfoils varying chords Ask computer friends check lo cal bulletin boards programs programs thatll print out wing rib patterns according specifica tions Ive seen inexpensive computers such Commodore-64 spend days hunched over drafting board can building flying Finally more simple computer programs showing up maga zines like such things calcu late appropriate center gravity match propeller specifications power drag factors figure out efficient fuel mixture may have type programs computer once youve done can share other members club between clubs member typed pro gram youd have club library Youll find time spend paid back times over time save avoiding hand cal culations dream scratch builders Scale en thusiasts able draft plan quickly easily change di mensions whenever want isnt pipe dream exists Computer Assisted Design CAD programs theyre readily available IBM- Macintosh-type computer Once youve en tered blueprint can modify change its scale size seconds youre happy results can restore original wink CAD systems neednt expensive Some low cost ones sell around $75 club could easily create librar ies plans exchange Im just walting see plans service will first supply blueprints three-view diagrams programs No RC club should computer first use jumps mind keep ing membership lists way nobody forgotten membership renewals can tracked dues can collected fairly Amazingly members wholl swear paid human collector last month promise pay next week will cough up confronted computerized state ment guess weve programmed creditors computers No club member wants spend hours bal ancing books could out flying Likewise no auditing committee wants burn out its collective eyes trying decipher hieroglyphics gen eral ledger Theyd rather use eyes track planes lot inex pensive free accounting programs lying around computerized accounting pack age will reduce treasurers bookkeep ing time 10 15 minutes month Better yet audit committee can check over printed reports during coffee break person turning out newsletter will job almost willingly have computer system Youll surprised much quality newsletter will improve youll able get items print hours instead daysso members will learn about last-minute changes Pattern con test week before event rather month after Systems run newsletter vary may have simple word processing pro gram lets print correctly punctu ated grammatically correct articles simpleand inexpensivedot matrix print er other end scale may have desktop publishing system lets 148 Model Aviation buildifl stabilitY easY flying Bomber esigfls started rimal PIaYI% timers fly hands off too di make perfect RIC trainer iost important lesson Leisure PlaybOY kits can teach open up theyre electric n sites see because silent can fly almost RIC hobby dealerpick up Leisure andsive Leisure 05 somber kit inexpen ure some good lesson print out graphs pictures model drawings laser printer Often sys tem use depends what mem bers have permission use offices cash budget interest RC flying can widened connecting computer telephone Thats hard sounds need black box called modem available computer stores vary ing prices Before get involved check friends use Theyll give lot pointers Once youve set up modem between computer telephone North America open calling up computer bulletin boards can send receive messages people across continent have similar interests merely type messages computer keyboard theyre recorded electronic bulletin boards just way tack up notices cork boards neighborhood supermarket Most bulletin boards have free access local therefore limited available information However com mercial ones such CompuServe Source link cities together Im famil iar CompuServe youll find area called ModelNet devoted entirely model planes cars boats Besides usual messages youll find computer pro grams such mentioned earlier plot wing ribs organize club mailing lists calculate center gravity com mercial boards have phone numbers local call cities can log long distances phone charges may find may want create single-purpose bulletin boards RC fly ing can display schedules local not-so-local events Theyre place can exchange messages ask questions give advice mes sages board sent across phone lines computer can read answer ask questions would possible include club newsletters line Thus editor can direcfly send output word proces sor bulletin board over phone Im mediately everyone can read out relying uncertainties post office As well other clubs can read share newsletters uses lunited clubs imagination danger getting computer may find yourself running flying building particularly dangerous club finds youve got dont let stop learn ing benefits personal computer can bring flying responding advertisers mention read about Model Aviation fere Steves sixth flight should have repeat before landed over minute short No 5 Bud Romak also using conventional props ceiling problems second fourth flights 10 models brought Bud broke sev eral Using new models last two flights Bud never quite got range needed Meanwhile Cezar Banks un able come close 4459 time hed achieved third flight went too high flight No 5 small side room end bleachers spent over hour calibrating variable-pitch prop preparation next effort Unfortu nately model stalled first launch possibly incurring some damage 15 minutes end meet Cezar elected change models Team Manager Bob Randolph processed model Cezar winding Just seconds end stick collapsed after launch over gala banquet followed shortly after end flying traditional awards few special ones awards First-place teamUSA World Cham pion Rushbrooke TrophyJim Rich mond Kopecky Trophy longest single September 1988 149 electriC a/C 0ldtin1ers Leisure playboyzo Bomber ome valuable electric R/C lessons Fundamental good electric flight bOY jiass~eight airframe Leisure ht airframes Bomber Oldtlmers both feature lightwei 1unibine powerful takeoff climb capabilities iimum sink rates long flights slow ~ndings Anothel Leisure LoOZO Bomber WingsP 70 ingATeO 630 sq power Weight ~0ggeartd2 51 Indoor WC/Tenny Continued page 63