Weve just maxed out 79 World Champi onshipel combination model being held plus photographic obliquity causes wing appear have trailing edge taperit doesnt Trailing edge straight tip-to-tip taper lead edge world-class FF Towline Glider given name must have least bit tong ue-in cheek Its top model class placing 4th 1979 World Championships Take note authors personal preparations important factor ultimate compe tition involved EJim Wilson MY CURRENT Fl Glider Simple Toy result studying other airplanes four years methodical development seven models Editor Fl designation given Federation Aeronautique Internationale FAI World Championships class Free Flight Towline Gliders also referred A-2 Nordic Glider Technically similar other world-class gliders Wing airfoils aspect ratios stability margins turning tendancies models have reached practical optimums Indi viduals now use different layouts structural details just suit particular flying styles Simple Toy suits wayl like fly parks high line constant attention follows obediently towed lift structurally strong enough withstand strong est zoom launches Gliding free can 3-mm max no help stays thermal put Within restrictions class rules flight modes demand compromises develop ment has produced strong stable model reliable competition Number 6 original Simple Toy has well over 1000 flights second Toy approaching 500 Both have maxed still morning air also survived Tafts violent trash-moving thermals Number 6 scored 240-second max Pole 13 13th Round Team Finals help gain US team place 1979 World Champion ships Simple Toy contributed U Ss firstever team win Towline maxing out placing fourth flyoff As far Simple Toy developed fly lot about 60 days 1979 just tried variety different ideas present collection model work pretty good wasnt really ~designed think funny word Reynolds number range anyway rather design evolved through playing around different things trying have little fun keep asking myself ship could improved new answers always surprising friends competitors have helpful SCAT Club mates have really offered lot encouragement Id like acknowledge much needs said about Simple Toys construction Bill Blanchards fine plan selfexplanatory just few tips Take time poorly built model poorly built forever takes about three months build Simple Toy models last long November 198069 War council before first round 79 World Championships Matt Gewain faces camera counterclockwise Bill Blanchard Dick Myers Simple Toy Jim Wilson play Note towing reel best mobility Coach lsaacson would gripe about poor arm position knee lift Wilson would reply Yeah right maxed barely Glider over right shoulder following easily time building effort good investment Build straight Cut parts accurately fit carefully ship few built-in stresses will less likely warp wont constantly surprise trim changes Build light Add ballast bring model up 410-gram minimum weight plus margin Watch wood densities especially sheeted areas use small amounts glue dont need much think Use Titebond glue thinned about 10% water construction Epoxy required metal-to-wood joints Clear K&B Super Poxy paint used apply light fiberglass cloth D-box boom Nitrate dope used other covering finish Spray tops wing stabilizer com mercial lacquer flattener provide surface roughness Double-cover wing help torsional rigidity ease inevitable punctured tissue repairs New tissue about light strong 20 years ago colors less vivid Color can enhanced leaching dye out Magic Marker wick lacquer thinner using make thin colored dope Spraying dope tissue same color produces dense light-weight finish Simple Toy has black underwings increased visibility Opaque black combined V-dihedral makes plane easy spot soars up another max Build wing flat washout tips doping covered wing washout prevents tip stall smooths flight path turbulence tow hook shown plan easy make hand tools works well sheet metal skills SCAT Club mates Juan Livotto makes sells hooks ready use can write him price availability See reference list end Simple Toys dimensions mostly metric two reasons First metric units easier use computations being decimaL Second ma jority best Gliders measured metric system because oftheir birthplace Famil iarity units makes easier understand what other fliers doing learn experiences Flight-trimming straight properly balanced Simple Toy easy Preparing yourself com pete difficult Lets go over easy part first Build mm right wing washin root tab start hand-glide model get fin settings wing-stab angular difference longi tudinal dihedral roughly okay Typical fin offsets right glide straight tow 5 mm left glide circle 8 mm right tow circle 12 mm right Start autofin line third hole up hook lever hand-glides dont stall plow furrows tow up full-length line proceed trimming four flight modes Adjust link auto-fin line get tow straight Adjust rear baseplate bolt get about 30sec glide circle Adjust tow circle front baseplate bolt largest can control wind Add remove stab shims get reasonably flat glide Launch trim may take bit longer because speed range through transition right zoom climbing turn smooth roll top glide End points launch trim calm its hard get enough speed climb wind its easy get too much speed spiral Adjust zoom fin offset calm get smooth turn model stalls add offset model spirals down increase washin Now repeat wind retrim needed height safety Right stab tilt may help recoveries Washin changes will affect glide tow trim will have readjust Just keep repeating process weather condi tionsuntil know what model will like what does Fine trim depends flying style field location several suggestions First place tow-ring far rearward required calm- alr launches produces ring position rearward traditional placed farther forward models nose wouldnt come up well calm-air launch Tow control doesnt suffer long stay alert mobile ship different prepared move hook around best performance Second always use little less longitudinal di hedral can get away calm air will let tbe plane malntain airspeed stall ground turbulence paper glider gives up little performance flying faster stall close ground disastrous flight time less longitudinal dihedral required steady circles needed thermal flying Third launch consistency mostly up flier develop practice match physical ability Contest flying favorite part modeling Its payoff building practice Its also neglected facet modeling literature ideas just way approaching competition may suit develop own method Youll probably anyway making best use own personal advantages Contest success determined practice field no mirrors no magic no short cuts Wouldnt fun need strong motivation whatever required succeed measure success using John Woodens yardstick peace mind knowing have done best perform ing up capability can succeed make progress regardless trophies collected Have plan contest possibility can imagine World Champs written plan ran about eight pages long cir cumstance might affect flyingweather competition team responsibilities like preparation needed reply appropriately act thinking out writing plan clari fies thought cements sub conscious can surface reasoned reactions right time Its difficult during major contests analyze situations change tack predictable results have depend judgment responses acquired during planned practice item WC Plan give yourself little slack read contest reports Free Flight World Champs tried repeat problems other people already exper ienced 1971 Wakefield contestant dis qualified having underweight model So ballasted gliders 417-420 grams 7-10 grams overweight homewhere humid Taft WC site ensure after drying out would legal Overorganized say 1979 history repeated itself another Wakefielder disqualified underweight modeL models flight will never notice being 1% overweight processors will always catch fraction gram under Give yourself little slack Modern Towline Glider flying requires aerobically fit modest running program 20 miles week 8-9-mm per mile pace will prepare half-hour tow calm early-morning round Hills fartlek Swedish word speed play training intervals other resistance workouts also beneficial QuickContinued page 12S 70 Model Aviation actually parts two towhooks ar ranged both sides busy part can seen baseplate top Look Closely details adjustment bolts tow glide circles can made hand tools Rear fuselage detail shows layout flying tin adjustable link auto-fin line straight tow trimming Close-up view wing wire fuselage top removable u iri~ model can put small box easytransportabilityan important consideration considering competing abroad MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS SCHIUTER HELl-BOY MJ MAS ENTERPRISES now Announcing American N/C Helicoptersso PoweredAFTER HOURS HOTLINE fering totally new service heli EW ANTISReq $38995 SPECIAL $34995 FORMATION HOTLINE copter enthusiast Now R/C Helicopter can slutee Jet Ranger Fuselage HONE 3Q51 255-0688 stop shopping A/C afford fly Req Only $14595Req $19995 SPECIAL $16995If hating problem regardless Helicopter needs regardless what PECIAL 95 eluluter Bolkow 80105of what flying call between youre flying discount prices CALL FOR PACKAGE DEAL $16995 SPECIAL $13995he hours 7-9 pm EST also offering free set-up andAMERICAN A/C HELICOPTERS FROM WORLD ENGINES happy personally answer flying instruction yours asking MMANDER ITHyour questions bane built flown analyzedAMA NAT IIJNAL WINNER 40 Powered Helicopter major brand Helicopter Regular $32595 SHour Construction Time Mas available SPECIAL $28995List $23995 SPECIAL $18995 tional AMA Champion staff qualified answer VERTED FLIGHtKIT questions ranging installing train- AMERICAN if/CHELICOPTERS HeliboyHB419 $2195 TRUCTIONALTAPES jog gear flying ship inverted REVOLUTKThI ICommander AM 16$1495 W AVAILABLE Regular $23915 $23995 HB 419 Contains Building Trimming SPECIAL $20995 Special Headyoke Assembly Special Flying M J MAS ENTERPRISES Tail Compensator Stand Off Brackets Contest Flying Novice Evpert PO Bos 727 Miami Flu 33197 Custom Built Helicopters include Full Instructions Set-up rotutions set-up/Practice PHONE 3362554688 choice Helicopter Eng Radio Test nAerobatics / Inverted Flight Flown ILimited Basis second semi-final round started after lunch Again Aibritton/Perkins went off first heat again little slow 342even though Cipollas gave good shot sitting out race Heaton/Ross could manage 352 out second beat Smiffy managed 340 seemed set final Dutch Hungarian teams both ran out fuel flying space failed finish left Geschwendtner/ Mau Metkies shot last semi-final heat Robbie blew over cooked first tank cooled quickly pit reset get right back Danish tail came home together tight race time Metkemeyer sneaking ahead third finals spot 342 final looked like lock-up Albritton/ Perkins re-propped commanding speed neither opposition could match Fate last laugh however just built two-lap lead coming first pit stop Danes Albritton came Sn over pit Perkins made grab As did Smiffy came immediately behind struck lines before Perkins could get ship down ground Both ships spilled Perkins out reach Smith/Brown moving eyes turned Jury tower Danish ship started again Silence Danes came pit again again everyone turned Jury Silence competitors entire crowd stared disbelief Jury sat seemingly para lyzed inactivity satisfying thing would have stop once restart prospects race watch remember doesnt always work out way Despite minutes wrangling no disqualifications race ended solo benefit no ones satisfaction no winner survivor US British teams finally granted refly attempt FAI Jury time organizer said show go No refly run went home disappointed Simple Toy/Wilson Con untied page 70 ness speed stamina should goals Proper training allows fly 10th Round solidly first Fliers like run can N I C BY EuYOU cvavbuiid& FLY thistrom kit sod instruct ions .vrv iv ,...s aier fly additionsi info & Catalogue send $118 LOU PROCTOR PO Box 9641 San Diego Caiif 92199 Kit mfgd Proctor Corp 6821 Convoy Ct 5 0 Ca DEPENDABLE Friend O/L Launching dons need cell friend time want get yourgpntrol Line model air new remote release SAFE LOC launcher Strong Safe Ready4ogo anytime see STRONG Safety pull-tested 125 lbs premiere strong enough largest C/L airplanes SAFE Hate built-in lock prevent accidental release IF NOT AT YOUR DEALER R DIRECT flflST CLAIR MODEL COMPONENTS P0 Box 5626 PP enthetlSAEugene OR 97405 November 1 980 1 25 ZONA SAWS famous line hobby SaWS Razor #200 *1 90 $165 Saw set #100 Replacement blades available dealer FAX Modwi Suppiy PO Box 3957 RTorranca CA 90510 USA racing IS under way secona aay ana cne US still two teams semi-finals Build 8 Profile Aircraft ENTERPRISE book 11 14 contains 8 E Atchison 3 different color schemes aircraft construction views Pasadena CA 91104 full size templets Just trace cut shape glue paint youre$650 5hppin5 Cal Rex ready goadd sales tax MPS uJ IUIUI S MODEL PROTECTIVE SYSTEMS NOW CHECKING YOUR BATTERIES ON PART TIME BASIS IS ONLY THE HALF OF IT relying Battery Cyclers LEDs ESVs new mercuty measuring devices getting partial protection Receiver POWER Alert ONLY UNIT will give audible wammg instantly witen voltage problem arises Power Alert installed transmitter also will give total battery protection Power Alert $1995 us Funds plus $100 postage Products fully guaranteed year Also available PlaneAlert $1295 System Alert $2795 Positive System Alert isa combination Power Alert PlaneAlert unit certainly benefit difficult workouts like goals aim possibly moat fit US Glider flier Dennis Mihora Santa Barbara CA Dennis has run 10K 62 mile race just over 32 minutes hes com pleted marathon 263 miles about three hours Running popular now uncounted books subject Running training can obsession itself training book men tioned end article No single book perfect suggested covers 80% good stuff Put much effort running can enjoy Towline Glider athletic modeling events theres no single important part plane/preparation practice equation fitness Fitness cant overemphasized Glider flying ability follows fitness Stretching exercises help balance muscle de velopment reduce injuries Preventing injuty allows regular workouts steady fitness improve ment Stretching also improves flexibility helps speed Stretching before flying good warm-up reduces strain Basic stretches running include Achilles tendons calves hamstrings quadraceps hips back shoul ders Some modest strengthening exercises will also aid running include calves ham strings stomach upper chest mental preparation practice rehearsal concentration relaxation techniques free myself distractions flying drills help smooth peaks performance consistent high levels youre interested start reading Dr Tutkos book approach has helped neighborhood galaxy class athletes perform best flying field practice fundamentals Have goal list try practice smart hard Expect competitors prepared best ability interest have no strategic secrets Contests decided execution fundamentals con ditioning practice tow mobility parking air picking launch positioning mechanics trimming glide weather conditions different strategies can work fine long choose suited nature can execute reliably contests Practice what plan doing contests practice best airplanes will have different person alities have get know well Dont afraid crashing Gliders frequently fly better after repairs anyway Its difficult over-practice over-organize can become mentally stale Prevent staleness playing games practice Some things try 1 Piggy-back drills wherein number fliers tow must launch max air first launcher takesregardless launches field 2 Flying two ships still air really check trim times 3 Champagne flyoffs contests can fly 4 Downwind starts 5 Ending practice positive note good flight end result right practice confidence poise know can handle yourself airplane really prepared world class level no accident product organized well thought-out practice isnt cheap level effort everything love World level competition should all-out several people have published desires simplify FAI competition back sport flying say phooey enjoy flying once month between 10 2 perfect Sundaygreat stay what enjoy Remember its work youd rather doing something else contest starts draw confidence preparation Know youre fit planned Know airplanes proven ready Clear head concentrate making maxes Just before fly take moment mentally rehearse flight tow up through recording max Stay alert keep head contest pay attention sign lift After flight write brief note later collation way can encouraged good can learn bad drop flight try bear down harder Max out rest way As Yogl Berra once said Youre never Out till youre out never know what other fliers will what outcome will until scores Never give up Reference Stretching Bob Anderson Box 2734 Fullerton CA 92633 Sports Psyching Dr Thomas Tutko Tarcher Sports Illustrated Track Field RunningEvents James Dunaway Lippincott Practical Modern liasketball John Wooden Ronald Seclig Timers Doug Gaibreath Box 707 Davis CA 95616 Towbooks Juan Livotto 13212 take Sr Los Angeles CA 90066 Launch Chute/Gist Continued page 72 article describes use now Materials equipment will need two pieces fabric 12 x 4 four pieces shroud line about 36 two tow rings Polyester nylon sailcloth ideal went hot-air balloon maker got some rip-stop nylon might try sailboating shop sailmaker shroud line should braided twisted monofilament will Since actually eight shroud lines line material does have super strong has 25% strength main launch line will two-to-one margin will also need sewing machine best kind does zigzag stitches also does what called darning smocking stitch looks like zigzag stitch difference needle pierces fabric end zigzag darning machine also fastens fabric times between ends zigzag plain zigzag will work Assembly Lay two pieces fabric another cross shown drawing pin together Starting corner piece run zigzag stitch way around piece back same corner pieces should joined two seams Now repeat process other piece remove pins Make sure outside edge zigzag right edge fabric slightly off edge keeps fabric raveling four seams around center square lock two pieces together Next lay ofthe four shroud lines across chute shown diagonally corner opposite corner center line center chute Thread first tow ring line Using darning zigzag stitch sew line fabric along line keeping tow ring center drawing shows part seam Try keep line 1 26 Model Aviation WIELD VAR II CONSTRLCTIONam
Edition: Model Aviation - 1980/11
Page Numbers: 68, 69, 70, 125, 126
Weve just maxed out 79 World Champi onshipel combination model being held plus photographic obliquity causes wing appear have trailing edge taperit doesnt Trailing edge straight tip-to-tip taper lead edge world-class FF Towline Glider given name must have least bit tong ue-in cheek Its top model class placing 4th 1979 World Championships Take note authors personal preparations important factor ultimate compe tition involved EJim Wilson MY CURRENT Fl Glider Simple Toy result studying other airplanes four years methodical development seven models Editor Fl designation given Federation Aeronautique Internationale FAI World Championships class Free Flight Towline Gliders also referred A-2 Nordic Glider Technically similar other world-class gliders Wing airfoils aspect ratios stability margins turning tendancies models have reached practical optimums Indi viduals now use different layouts structural details just suit particular flying styles Simple Toy suits wayl like fly parks high line constant attention follows obediently towed lift structurally strong enough withstand strong est zoom launches Gliding free can 3-mm max no help stays thermal put Within restrictions class rules flight modes demand compromises develop ment has produced strong stable model reliable competition Number 6 original Simple Toy has well over 1000 flights second Toy approaching 500 Both have maxed still morning air also survived Tafts violent trash-moving thermals Number 6 scored 240-second max Pole 13 13th Round Team Finals help gain US team place 1979 World Champion ships Simple Toy contributed U Ss firstever team win Towline maxing out placing fourth flyoff As far Simple Toy developed fly lot about 60 days 1979 just tried variety different ideas present collection model work pretty good wasnt really ~designed think funny word Reynolds number range anyway rather design evolved through playing around different things trying have little fun keep asking myself ship could improved new answers always surprising friends competitors have helpful SCAT Club mates have really offered lot encouragement Id like acknowledge much needs said about Simple Toys construction Bill Blanchards fine plan selfexplanatory just few tips Take time poorly built model poorly built forever takes about three months build Simple Toy models last long November 198069 War council before first round 79 World Championships Matt Gewain faces camera counterclockwise Bill Blanchard Dick Myers Simple Toy Jim Wilson play Note towing reel best mobility Coach lsaacson would gripe about poor arm position knee lift Wilson would reply Yeah right maxed barely Glider over right shoulder following easily time building effort good investment Build straight Cut parts accurately fit carefully ship few built-in stresses will less likely warp wont constantly surprise trim changes Build light Add ballast bring model up 410-gram minimum weight plus margin Watch wood densities especially sheeted areas use small amounts glue dont need much think Use Titebond glue thinned about 10% water construction Epoxy required metal-to-wood joints Clear K&B Super Poxy paint used apply light fiberglass cloth D-box boom Nitrate dope used other covering finish Spray tops wing stabilizer com mercial lacquer flattener provide surface roughness Double-cover wing help torsional rigidity ease inevitable punctured tissue repairs New tissue about light strong 20 years ago colors less vivid Color can enhanced leaching dye out Magic Marker wick lacquer thinner using make thin colored dope Spraying dope tissue same color produces dense light-weight finish Simple Toy has black underwings increased visibility Opaque black combined V-dihedral makes plane easy spot soars up another max Build wing flat washout tips doping covered wing washout prevents tip stall smooths flight path turbulence tow hook shown plan easy make hand tools works well sheet metal skills SCAT Club mates Juan Livotto makes sells hooks ready use can write him price availability See reference list end Simple Toys dimensions mostly metric two reasons First metric units easier use computations being decimaL Second ma jority best Gliders measured metric system because oftheir birthplace Famil iarity units makes easier understand what other fliers doing learn experiences Flight-trimming straight properly balanced Simple Toy easy Preparing yourself com pete difficult Lets go over easy part first Build mm right wing washin root tab start hand-glide model get fin settings wing-stab angular difference longi tudinal dihedral roughly okay Typical fin offsets right glide straight tow 5 mm left glide circle 8 mm right tow circle 12 mm right Start autofin line third hole up hook lever hand-glides dont stall plow furrows tow up full-length line proceed trimming four flight modes Adjust link auto-fin line get tow straight Adjust rear baseplate bolt get about 30sec glide circle Adjust tow circle front baseplate bolt largest can control wind Add remove stab shims get reasonably flat glide Launch trim may take bit longer because speed range through transition right zoom climbing turn smooth roll top glide End points launch trim calm its hard get enough speed climb wind its easy get too much speed spiral Adjust zoom fin offset calm get smooth turn model stalls add offset model spirals down increase washin Now repeat wind retrim needed height safety Right stab tilt may help recoveries Washin changes will affect glide tow trim will have readjust Just keep repeating process weather condi tionsuntil know what model will like what does Fine trim depends flying style field location several suggestions First place tow-ring far rearward required calm- alr launches produces ring position rearward traditional placed farther forward models nose wouldnt come up well calm-air launch Tow control doesnt suffer long stay alert mobile ship different prepared move hook around best performance Second always use little less longitudinal di hedral can get away calm air will let tbe plane malntain airspeed stall ground turbulence paper glider gives up little performance flying faster stall close ground disastrous flight time less longitudinal dihedral required steady circles needed thermal flying Third launch consistency mostly up flier develop practice match physical ability Contest flying favorite part modeling Its payoff building practice Its also neglected facet modeling literature ideas just way approaching competition may suit develop own method Youll probably anyway making best use own personal advantages Contest success determined practice field no mirrors no magic no short cuts Wouldnt fun need strong motivation whatever required succeed measure success using John Woodens yardstick peace mind knowing have done best perform ing up capability can succeed make progress regardless trophies collected Have plan contest possibility can imagine World Champs written plan ran about eight pages long cir cumstance might affect flyingweather competition team responsibilities like preparation needed reply appropriately act thinking out writing plan clari fies thought cements sub conscious can surface reasoned reactions right time Its difficult during major contests analyze situations change tack predictable results have depend judgment responses acquired during planned practice item WC Plan give yourself little slack read contest reports Free Flight World Champs tried repeat problems other people already exper ienced 1971 Wakefield contestant dis qualified having underweight model So ballasted gliders 417-420 grams 7-10 grams overweight homewhere humid Taft WC site ensure after drying out would legal Overorganized say 1979 history repeated itself another Wakefielder disqualified underweight modeL models flight will never notice being 1% overweight processors will always catch fraction gram under Give yourself little slack Modern Towline Glider flying requires aerobically fit modest running program 20 miles week 8-9-mm per mile pace will prepare half-hour tow calm early-morning round Hills fartlek Swedish word speed play training intervals other resistance workouts also beneficial QuickContinued page 12S 70 Model Aviation actually parts two towhooks ar ranged both sides busy part can seen baseplate top Look Closely details adjustment bolts tow glide circles can made hand tools Rear fuselage detail shows layout flying tin adjustable link auto-fin line straight tow trimming Close-up view wing wire fuselage top removable u iri~ model can put small box easytransportabilityan important consideration considering competing abroad MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS SCHIUTER HELl-BOY MJ MAS ENTERPRISES now Announcing American N/C Helicoptersso PoweredAFTER HOURS HOTLINE fering totally new service heli EW ANTISReq $38995 SPECIAL $34995 FORMATION HOTLINE copter enthusiast Now R/C Helicopter can slutee Jet Ranger Fuselage HONE 3Q51 255-0688 stop shopping A/C afford fly Req Only $14595Req $19995 SPECIAL $16995If hating problem regardless Helicopter needs regardless what PECIAL 95 eluluter Bolkow 80105of what flying call between youre flying discount prices CALL FOR PACKAGE DEAL $16995 SPECIAL $13995he hours 7-9 pm EST also offering free set-up andAMERICAN A/C HELICOPTERS FROM WORLD ENGINES happy personally answer flying instruction yours asking MMANDER ITHyour questions bane built flown analyzedAMA NAT IIJNAL WINNER 40 Powered Helicopter major brand Helicopter Regular $32595 SHour Construction Time Mas available SPECIAL $28995List $23995 SPECIAL $18995 tional AMA Champion staff qualified answer VERTED FLIGHtKIT questions ranging installing train- AMERICAN if/CHELICOPTERS HeliboyHB419 $2195 TRUCTIONALTAPES jog gear flying ship inverted REVOLUTKThI ICommander AM 16$1495 W AVAILABLE Regular $23915 $23995 HB 419 Contains Building Trimming SPECIAL $20995 Special Headyoke Assembly Special Flying M J MAS ENTERPRISES Tail Compensator Stand Off Brackets Contest Flying Novice Evpert PO Bos 727 Miami Flu 33197 Custom Built Helicopters include Full Instructions Set-up rotutions set-up/Practice PHONE 3362554688 choice Helicopter Eng Radio Test nAerobatics / Inverted Flight Flown ILimited Basis second semi-final round started after lunch Again Aibritton/Perkins went off first heat again little slow 342even though Cipollas gave good shot sitting out race Heaton/Ross could manage 352 out second beat Smiffy managed 340 seemed set final Dutch Hungarian teams both ran out fuel flying space failed finish left Geschwendtner/ Mau Metkies shot last semi-final heat Robbie blew over cooked first tank cooled quickly pit reset get right back Danish tail came home together tight race time Metkemeyer sneaking ahead third finals spot 342 final looked like lock-up Albritton/ Perkins re-propped commanding speed neither opposition could match Fate last laugh however just built two-lap lead coming first pit stop Danes Albritton came Sn over pit Perkins made grab As did Smiffy came immediately behind struck lines before Perkins could get ship down ground Both ships spilled Perkins out reach Smith/Brown moving eyes turned Jury tower Danish ship started again Silence Danes came pit again again everyone turned Jury Silence competitors entire crowd stared disbelief Jury sat seemingly para lyzed inactivity satisfying thing would have stop once restart prospects race watch remember doesnt always work out way Despite minutes wrangling no disqualifications race ended solo benefit no ones satisfaction no winner survivor US British teams finally granted refly attempt FAI Jury time organizer said show go No refly run went home disappointed Simple Toy/Wilson Con untied page 70 ness speed stamina should goals Proper training allows fly 10th Round solidly first Fliers like run can N I C BY EuYOU cvavbuiid& FLY thistrom kit sod instruct ions .vrv iv ,...s aier fly additionsi info & Catalogue send $118 LOU PROCTOR PO Box 9641 San Diego Caiif 92199 Kit mfgd Proctor Corp 6821 Convoy Ct 5 0 Ca DEPENDABLE Friend O/L Launching dons need cell friend time want get yourgpntrol Line model air new remote release SAFE LOC launcher Strong Safe Ready4ogo anytime see STRONG Safety pull-tested 125 lbs premiere strong enough largest C/L airplanes SAFE Hate built-in lock prevent accidental release IF NOT AT YOUR DEALER R DIRECT flflST CLAIR MODEL COMPONENTS P0 Box 5626 PP enthetlSAEugene OR 97405 November 1 980 1 25 ZONA SAWS famous line hobby SaWS Razor #200 *1 90 $165 Saw set #100 Replacement blades available dealer FAX Modwi Suppiy PO Box 3957 RTorranca CA 90510 USA racing IS under way secona aay ana cne US still two teams semi-finals Build 8 Profile Aircraft ENTERPRISE book 11 14 contains 8 E Atchison 3 different color schemes aircraft construction views Pasadena CA 91104 full size templets Just trace cut shape glue paint youre$650 5hppin5 Cal Rex ready goadd sales tax MPS uJ IUIUI S MODEL PROTECTIVE SYSTEMS NOW CHECKING YOUR BATTERIES ON PART TIME BASIS IS ONLY THE HALF OF IT relying Battery Cyclers LEDs ESVs new mercuty measuring devices getting partial protection Receiver POWER Alert ONLY UNIT will give audible wammg instantly witen voltage problem arises Power Alert installed transmitter also will give total battery protection Power Alert $1995 us Funds plus $100 postage Products fully guaranteed year Also available PlaneAlert $1295 System Alert $2795 Positive System Alert isa combination Power Alert PlaneAlert unit certainly benefit difficult workouts like goals aim possibly moat fit US Glider flier Dennis Mihora Santa Barbara CA Dennis has run 10K 62 mile race just over 32 minutes hes com pleted marathon 263 miles about three hours Running popular now uncounted books subject Running training can obsession itself training book men tioned end article No single book perfect suggested covers 80% good stuff Put much effort running can enjoy Towline Glider athletic modeling events theres no single important part plane/preparation practice equation fitness Fitness cant overemphasized Glider flying ability follows fitness Stretching exercises help balance muscle de velopment reduce injuries Preventing injuty allows regular workouts steady fitness improve ment Stretching also improves flexibility helps speed Stretching before flying good warm-up reduces strain Basic stretches running include Achilles tendons calves hamstrings quadraceps hips back shoul ders Some modest strengthening exercises will also aid running include calves ham strings stomach upper chest mental preparation practice rehearsal concentration relaxation techniques free myself distractions flying drills help smooth peaks performance consistent high levels youre interested start reading Dr Tutkos book approach has helped neighborhood galaxy class athletes perform best flying field practice fundamentals Have goal list try practice smart hard Expect competitors prepared best ability interest have no strategic secrets Contests decided execution fundamentals con ditioning practice tow mobility parking air picking launch positioning mechanics trimming glide weather conditions different strategies can work fine long choose suited nature can execute reliably contests Practice what plan doing contests practice best airplanes will have different person alities have get know well Dont afraid crashing Gliders frequently fly better after repairs anyway Its difficult over-practice over-organize can become mentally stale Prevent staleness playing games practice Some things try 1 Piggy-back drills wherein number fliers tow must launch max air first launcher takesregardless launches field 2 Flying two ships still air really check trim times 3 Champagne flyoffs contests can fly 4 Downwind starts 5 Ending practice positive note good flight end result right practice confidence poise know can handle yourself airplane really prepared world class level no accident product organized well thought-out practice isnt cheap level effort everything love World level competition should all-out several people have published desires simplify FAI competition back sport flying say phooey enjoy flying once month between 10 2 perfect Sundaygreat stay what enjoy Remember its work youd rather doing something else contest starts draw confidence preparation Know youre fit planned Know airplanes proven ready Clear head concentrate making maxes Just before fly take moment mentally rehearse flight tow up through recording max Stay alert keep head contest pay attention sign lift After flight write brief note later collation way can encouraged good can learn bad drop flight try bear down harder Max out rest way As Yogl Berra once said Youre never Out till youre out never know what other fliers will what outcome will until scores Never give up Reference Stretching Bob Anderson Box 2734 Fullerton CA 92633 Sports Psyching Dr Thomas Tutko Tarcher Sports Illustrated Track Field RunningEvents James Dunaway Lippincott Practical Modern liasketball John Wooden Ronald Seclig Timers Doug Gaibreath Box 707 Davis CA 95616 Towbooks Juan Livotto 13212 take Sr Los Angeles CA 90066 Launch Chute/Gist Continued page 72 article describes use now Materials equipment will need two pieces fabric 12 x 4 four pieces shroud line about 36 two tow rings Polyester nylon sailcloth ideal went hot-air balloon maker got some rip-stop nylon might try sailboating shop sailmaker shroud line should braided twisted monofilament will Since actually eight shroud lines line material does have super strong has 25% strength main launch line will two-to-one margin will also need sewing machine best kind does zigzag stitches also does what called darning smocking stitch looks like zigzag stitch difference needle pierces fabric end zigzag darning machine also fastens fabric times between ends zigzag plain zigzag will work Assembly Lay two pieces fabric another cross shown drawing pin together Starting corner piece run zigzag stitch way around piece back same corner pieces should joined two seams Now repeat process other piece remove pins Make sure outside edge zigzag right edge fabric slightly off edge keeps fabric raveling four seams around center square lock two pieces together Next lay ofthe four shroud lines across chute shown diagonally corner opposite corner center line center chute Thread first tow ring line Using darning zigzag stitch sew line fabric along line keeping tow ring center drawing shows part seam Try keep line 1 26 Model Aviation WIELD VAR II CONSTRLCTIONam
Edition: Model Aviation - 1980/11
Page Numbers: 68, 69, 70, 125, 126
Weve just maxed out 79 World Champi onshipel combination model being held plus photographic obliquity causes wing appear have trailing edge taperit doesnt Trailing edge straight tip-to-tip taper lead edge world-class FF Towline Glider given name must have least bit tong ue-in cheek Its top model class placing 4th 1979 World Championships Take note authors personal preparations important factor ultimate compe tition involved EJim Wilson MY CURRENT Fl Glider Simple Toy result studying other airplanes four years methodical development seven models Editor Fl designation given Federation Aeronautique Internationale FAI World Championships class Free Flight Towline Gliders also referred A-2 Nordic Glider Technically similar other world-class gliders Wing airfoils aspect ratios stability margins turning tendancies models have reached practical optimums Indi viduals now use different layouts structural details just suit particular flying styles Simple Toy suits wayl like fly parks high line constant attention follows obediently towed lift structurally strong enough withstand strong est zoom launches Gliding free can 3-mm max no help stays thermal put Within restrictions class rules flight modes demand compromises develop ment has produced strong stable model reliable competition Number 6 original Simple Toy has well over 1000 flights second Toy approaching 500 Both have maxed still morning air also survived Tafts violent trash-moving thermals Number 6 scored 240-second max Pole 13 13th Round Team Finals help gain US team place 1979 World Champion ships Simple Toy contributed U Ss firstever team win Towline maxing out placing fourth flyoff As far Simple Toy developed fly lot about 60 days 1979 just tried variety different ideas present collection model work pretty good wasnt really ~designed think funny word Reynolds number range anyway rather design evolved through playing around different things trying have little fun keep asking myself ship could improved new answers always surprising friends competitors have helpful SCAT Club mates have really offered lot encouragement Id like acknowledge much needs said about Simple Toys construction Bill Blanchards fine plan selfexplanatory just few tips Take time poorly built model poorly built forever takes about three months build Simple Toy models last long November 198069 War council before first round 79 World Championships Matt Gewain faces camera counterclockwise Bill Blanchard Dick Myers Simple Toy Jim Wilson play Note towing reel best mobility Coach lsaacson would gripe about poor arm position knee lift Wilson would reply Yeah right maxed barely Glider over right shoulder following easily time building effort good investment Build straight Cut parts accurately fit carefully ship few built-in stresses will less likely warp wont constantly surprise trim changes Build light Add ballast bring model up 410-gram minimum weight plus margin Watch wood densities especially sheeted areas use small amounts glue dont need much think Use Titebond glue thinned about 10% water construction Epoxy required metal-to-wood joints Clear K&B Super Poxy paint used apply light fiberglass cloth D-box boom Nitrate dope used other covering finish Spray tops wing stabilizer com mercial lacquer flattener provide surface roughness Double-cover wing help torsional rigidity ease inevitable punctured tissue repairs New tissue about light strong 20 years ago colors less vivid Color can enhanced leaching dye out Magic Marker wick lacquer thinner using make thin colored dope Spraying dope tissue same color produces dense light-weight finish Simple Toy has black underwings increased visibility Opaque black combined V-dihedral makes plane easy spot soars up another max Build wing flat washout tips doping covered wing washout prevents tip stall smooths flight path turbulence tow hook shown plan easy make hand tools works well sheet metal skills SCAT Club mates Juan Livotto makes sells hooks ready use can write him price availability See reference list end Simple Toys dimensions mostly metric two reasons First metric units easier use computations being decimaL Second ma jority best Gliders measured metric system because oftheir birthplace Famil iarity units makes easier understand what other fliers doing learn experiences Flight-trimming straight properly balanced Simple Toy easy Preparing yourself com pete difficult Lets go over easy part first Build mm right wing washin root tab start hand-glide model get fin settings wing-stab angular difference longi tudinal dihedral roughly okay Typical fin offsets right glide straight tow 5 mm left glide circle 8 mm right tow circle 12 mm right Start autofin line third hole up hook lever hand-glides dont stall plow furrows tow up full-length line proceed trimming four flight modes Adjust link auto-fin line get tow straight Adjust rear baseplate bolt get about 30sec glide circle Adjust tow circle front baseplate bolt largest can control wind Add remove stab shims get reasonably flat glide Launch trim may take bit longer because speed range through transition right zoom climbing turn smooth roll top glide End points launch trim calm its hard get enough speed climb wind its easy get too much speed spiral Adjust zoom fin offset calm get smooth turn model stalls add offset model spirals down increase washin Now repeat wind retrim needed height safety Right stab tilt may help recoveries Washin changes will affect glide tow trim will have readjust Just keep repeating process weather condi tionsuntil know what model will like what does Fine trim depends flying style field location several suggestions First place tow-ring far rearward required calm- alr launches produces ring position rearward traditional placed farther forward models nose wouldnt come up well calm-air launch Tow control doesnt suffer long stay alert mobile ship different prepared move hook around best performance Second always use little less longitudinal di hedral can get away calm air will let tbe plane malntain airspeed stall ground turbulence paper glider gives up little performance flying faster stall close ground disastrous flight time less longitudinal dihedral required steady circles needed thermal flying Third launch consistency mostly up flier develop practice match physical ability Contest flying favorite part modeling Its payoff building practice Its also neglected facet modeling literature ideas just way approaching competition may suit develop own method Youll probably anyway making best use own personal advantages Contest success determined practice field no mirrors no magic no short cuts Wouldnt fun need strong motivation whatever required succeed measure success using John Woodens yardstick peace mind knowing have done best perform ing up capability can succeed make progress regardless trophies collected Have plan contest possibility can imagine World Champs written plan ran about eight pages long cir cumstance might affect flyingweather competition team responsibilities like preparation needed reply appropriately act thinking out writing plan clari fies thought cements sub conscious can surface reasoned reactions right time Its difficult during major contests analyze situations change tack predictable results have depend judgment responses acquired during planned practice item WC Plan give yourself little slack read contest reports Free Flight World Champs tried repeat problems other people already exper ienced 1971 Wakefield contestant dis qualified having underweight model So ballasted gliders 417-420 grams 7-10 grams overweight homewhere humid Taft WC site ensure after drying out would legal Overorganized say 1979 history repeated itself another Wakefielder disqualified underweight modeL models flight will never notice being 1% overweight processors will always catch fraction gram under Give yourself little slack Modern Towline Glider flying requires aerobically fit modest running program 20 miles week 8-9-mm per mile pace will prepare half-hour tow calm early-morning round Hills fartlek Swedish word speed play training intervals other resistance workouts also beneficial QuickContinued page 12S 70 Model Aviation actually parts two towhooks ar ranged both sides busy part can seen baseplate top Look Closely details adjustment bolts tow glide circles can made hand tools Rear fuselage detail shows layout flying tin adjustable link auto-fin line straight tow trimming Close-up view wing wire fuselage top removable u iri~ model can put small box easytransportabilityan important consideration considering competing abroad MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS SCHIUTER HELl-BOY MJ MAS ENTERPRISES now Announcing American N/C Helicoptersso PoweredAFTER HOURS HOTLINE fering totally new service heli EW ANTISReq $38995 SPECIAL $34995 FORMATION HOTLINE copter enthusiast Now R/C Helicopter can slutee Jet Ranger Fuselage HONE 3Q51 255-0688 stop shopping A/C afford fly Req Only $14595Req $19995 SPECIAL $16995If hating problem regardless Helicopter needs regardless what PECIAL 95 eluluter Bolkow 80105of what flying call between youre flying discount prices CALL FOR PACKAGE DEAL $16995 SPECIAL $13995he hours 7-9 pm EST also offering free set-up andAMERICAN A/C HELICOPTERS FROM WORLD ENGINES happy personally answer flying instruction yours asking MMANDER ITHyour questions bane built flown analyzedAMA NAT IIJNAL WINNER 40 Powered Helicopter major brand Helicopter Regular $32595 SHour Construction Time Mas available SPECIAL $28995List $23995 SPECIAL $18995 tional AMA Champion staff qualified answer VERTED FLIGHtKIT questions ranging installing train- AMERICAN if/CHELICOPTERS HeliboyHB419 $2195 TRUCTIONALTAPES jog gear flying ship inverted REVOLUTKThI ICommander AM 16$1495 W AVAILABLE Regular $23915 $23995 HB 419 Contains Building Trimming SPECIAL $20995 Special Headyoke Assembly Special Flying M J MAS ENTERPRISES Tail Compensator Stand Off Brackets Contest Flying Novice Evpert PO Bos 727 Miami Flu 33197 Custom Built Helicopters include Full Instructions Set-up rotutions set-up/Practice PHONE 3362554688 choice Helicopter Eng Radio Test nAerobatics / Inverted Flight Flown ILimited Basis second semi-final round started after lunch Again Aibritton/Perkins went off first heat again little slow 342even though Cipollas gave good shot sitting out race Heaton/Ross could manage 352 out second beat Smiffy managed 340 seemed set final Dutch Hungarian teams both ran out fuel flying space failed finish left Geschwendtner/ Mau Metkies shot last semi-final heat Robbie blew over cooked first tank cooled quickly pit reset get right back Danish tail came home together tight race time Metkemeyer sneaking ahead third finals spot 342 final looked like lock-up Albritton/ Perkins re-propped commanding speed neither opposition could match Fate last laugh however just built two-lap lead coming first pit stop Danes Albritton came Sn over pit Perkins made grab As did Smiffy came immediately behind struck lines before Perkins could get ship down ground Both ships spilled Perkins out reach Smith/Brown moving eyes turned Jury tower Danish ship started again Silence Danes came pit again again everyone turned Jury Silence competitors entire crowd stared disbelief Jury sat seemingly para lyzed inactivity satisfying thing would have stop once restart prospects race watch remember doesnt always work out way Despite minutes wrangling no disqualifications race ended solo benefit no ones satisfaction no winner survivor US British teams finally granted refly attempt FAI Jury time organizer said show go No refly run went home disappointed Simple Toy/Wilson Con untied page 70 ness speed stamina should goals Proper training allows fly 10th Round solidly first Fliers like run can N I C BY EuYOU cvavbuiid& FLY thistrom kit sod instruct ions .vrv iv ,...s aier fly additionsi info & Catalogue send $118 LOU PROCTOR PO Box 9641 San Diego Caiif 92199 Kit mfgd Proctor Corp 6821 Convoy Ct 5 0 Ca DEPENDABLE Friend O/L Launching dons need cell friend time want get yourgpntrol Line model air new remote release SAFE LOC launcher Strong Safe Ready4ogo anytime see STRONG Safety pull-tested 125 lbs premiere strong enough largest C/L airplanes SAFE Hate built-in lock prevent accidental release IF NOT AT YOUR DEALER R DIRECT flflST CLAIR MODEL COMPONENTS P0 Box 5626 PP enthetlSAEugene OR 97405 November 1 980 1 25 ZONA SAWS famous line hobby SaWS Razor #200 *1 90 $165 Saw set #100 Replacement blades available dealer FAX Modwi Suppiy PO Box 3957 RTorranca CA 90510 USA racing IS under way secona aay ana cne US still two teams semi-finals Build 8 Profile Aircraft ENTERPRISE book 11 14 contains 8 E Atchison 3 different color schemes aircraft construction views Pasadena CA 91104 full size templets Just trace cut shape glue paint youre$650 5hppin5 Cal Rex ready goadd sales tax MPS uJ IUIUI S MODEL PROTECTIVE SYSTEMS NOW CHECKING YOUR BATTERIES ON PART TIME BASIS IS ONLY THE HALF OF IT relying Battery Cyclers LEDs ESVs new mercuty measuring devices getting partial protection Receiver POWER Alert ONLY UNIT will give audible wammg instantly witen voltage problem arises Power Alert installed transmitter also will give total battery protection Power Alert $1995 us Funds plus $100 postage Products fully guaranteed year Also available PlaneAlert $1295 System Alert $2795 Positive System Alert isa combination Power Alert PlaneAlert unit certainly benefit difficult workouts like goals aim possibly moat fit US Glider flier Dennis Mihora Santa Barbara CA Dennis has run 10K 62 mile race just over 32 minutes hes com pleted marathon 263 miles about three hours Running popular now uncounted books subject Running training can obsession itself training book men tioned end article No single book perfect suggested covers 80% good stuff Put much effort running can enjoy Towline Glider athletic modeling events theres no single important part plane/preparation practice equation fitness Fitness cant overemphasized Glider flying ability follows fitness Stretching exercises help balance muscle de velopment reduce injuries Preventing injuty allows regular workouts steady fitness improve ment Stretching also improves flexibility helps speed Stretching before flying good warm-up reduces strain Basic stretches running include Achilles tendons calves hamstrings quadraceps hips back shoul ders Some modest strengthening exercises will also aid running include calves ham strings stomach upper chest mental preparation practice rehearsal concentration relaxation techniques free myself distractions flying drills help smooth peaks performance consistent high levels youre interested start reading Dr Tutkos book approach has helped neighborhood galaxy class athletes perform best flying field practice fundamentals Have goal list try practice smart hard Expect competitors prepared best ability interest have no strategic secrets Contests decided execution fundamentals con ditioning practice tow mobility parking air picking launch positioning mechanics trimming glide weather conditions different strategies can work fine long choose suited nature can execute reliably contests Practice what plan doing contests practice best airplanes will have different person alities have get know well Dont afraid crashing Gliders frequently fly better after repairs anyway Its difficult over-practice over-organize can become mentally stale Prevent staleness playing games practice Some things try 1 Piggy-back drills wherein number fliers tow must launch max air first launcher takesregardless launches field 2 Flying two ships still air really check trim times 3 Champagne flyoffs contests can fly 4 Downwind starts 5 Ending practice positive note good flight end result right practice confidence poise know can handle yourself airplane really prepared world class level no accident product organized well thought-out practice isnt cheap level effort everything love World level competition should all-out several people have published desires simplify FAI competition back sport flying say phooey enjoy flying once month between 10 2 perfect Sundaygreat stay what enjoy Remember its work youd rather doing something else contest starts draw confidence preparation Know youre fit planned Know airplanes proven ready Clear head concentrate making maxes Just before fly take moment mentally rehearse flight tow up through recording max Stay alert keep head contest pay attention sign lift After flight write brief note later collation way can encouraged good can learn bad drop flight try bear down harder Max out rest way As Yogl Berra once said Youre never Out till youre out never know what other fliers will what outcome will until scores Never give up Reference Stretching Bob Anderson Box 2734 Fullerton CA 92633 Sports Psyching Dr Thomas Tutko Tarcher Sports Illustrated Track Field RunningEvents James Dunaway Lippincott Practical Modern liasketball John Wooden Ronald Seclig Timers Doug Gaibreath Box 707 Davis CA 95616 Towbooks Juan Livotto 13212 take Sr Los Angeles CA 90066 Launch Chute/Gist Continued page 72 article describes use now Materials equipment will need two pieces fabric 12 x 4 four pieces shroud line about 36 two tow rings Polyester nylon sailcloth ideal went hot-air balloon maker got some rip-stop nylon might try sailboating shop sailmaker shroud line should braided twisted monofilament will Since actually eight shroud lines line material does have super strong has 25% strength main launch line will two-to-one margin will also need sewing machine best kind does zigzag stitches also does what called darning smocking stitch looks like zigzag stitch difference needle pierces fabric end zigzag darning machine also fastens fabric times between ends zigzag plain zigzag will work Assembly Lay two pieces fabric another cross shown drawing pin together Starting corner piece run zigzag stitch way around piece back same corner pieces should joined two seams Now repeat process other piece remove pins Make sure outside edge zigzag right edge fabric slightly off edge keeps fabric raveling four seams around center square lock two pieces together Next lay ofthe four shroud lines across chute shown diagonally corner opposite corner center line center chute Thread first tow ring line Using darning zigzag stitch sew line fabric along line keeping tow ring center drawing shows part seam Try keep line 1 26 Model Aviation WIELD VAR II CONSTRLCTIONam
Edition: Model Aviation - 1980/11
Page Numbers: 68, 69, 70, 125, 126
Weve just maxed out 79 World Champi onshipel combination model being held plus photographic obliquity causes wing appear have trailing edge taperit doesnt Trailing edge straight tip-to-tip taper lead edge world-class FF Towline Glider given name must have least bit tong ue-in cheek Its top model class placing 4th 1979 World Championships Take note authors personal preparations important factor ultimate compe tition involved EJim Wilson MY CURRENT Fl Glider Simple Toy result studying other airplanes four years methodical development seven models Editor Fl designation given Federation Aeronautique Internationale FAI World Championships class Free Flight Towline Gliders also referred A-2 Nordic Glider Technically similar other world-class gliders Wing airfoils aspect ratios stability margins turning tendancies models have reached practical optimums Indi viduals now use different layouts structural details just suit particular flying styles Simple Toy suits wayl like fly parks high line constant attention follows obediently towed lift structurally strong enough withstand strong est zoom launches Gliding free can 3-mm max no help stays thermal put Within restrictions class rules flight modes demand compromises develop ment has produced strong stable model reliable competition Number 6 original Simple Toy has well over 1000 flights second Toy approaching 500 Both have maxed still morning air also survived Tafts violent trash-moving thermals Number 6 scored 240-second max Pole 13 13th Round Team Finals help gain US team place 1979 World Champion ships Simple Toy contributed U Ss firstever team win Towline maxing out placing fourth flyoff As far Simple Toy developed fly lot about 60 days 1979 just tried variety different ideas present collection model work pretty good wasnt really ~designed think funny word Reynolds number range anyway rather design evolved through playing around different things trying have little fun keep asking myself ship could improved new answers always surprising friends competitors have helpful SCAT Club mates have really offered lot encouragement Id like acknowledge much needs said about Simple Toys construction Bill Blanchards fine plan selfexplanatory just few tips Take time poorly built model poorly built forever takes about three months build Simple Toy models last long November 198069 War council before first round 79 World Championships Matt Gewain faces camera counterclockwise Bill Blanchard Dick Myers Simple Toy Jim Wilson play Note towing reel best mobility Coach lsaacson would gripe about poor arm position knee lift Wilson would reply Yeah right maxed barely Glider over right shoulder following easily time building effort good investment Build straight Cut parts accurately fit carefully ship few built-in stresses will less likely warp wont constantly surprise trim changes Build light Add ballast bring model up 410-gram minimum weight plus margin Watch wood densities especially sheeted areas use small amounts glue dont need much think Use Titebond glue thinned about 10% water construction Epoxy required metal-to-wood joints Clear K&B Super Poxy paint used apply light fiberglass cloth D-box boom Nitrate dope used other covering finish Spray tops wing stabilizer com mercial lacquer flattener provide surface roughness Double-cover wing help torsional rigidity ease inevitable punctured tissue repairs New tissue about light strong 20 years ago colors less vivid Color can enhanced leaching dye out Magic Marker wick lacquer thinner using make thin colored dope Spraying dope tissue same color produces dense light-weight finish Simple Toy has black underwings increased visibility Opaque black combined V-dihedral makes plane easy spot soars up another max Build wing flat washout tips doping covered wing washout prevents tip stall smooths flight path turbulence tow hook shown plan easy make hand tools works well sheet metal skills SCAT Club mates Juan Livotto makes sells hooks ready use can write him price availability See reference list end Simple Toys dimensions mostly metric two reasons First metric units easier use computations being decimaL Second ma jority best Gliders measured metric system because oftheir birthplace Famil iarity units makes easier understand what other fliers doing learn experiences Flight-trimming straight properly balanced Simple Toy easy Preparing yourself com pete difficult Lets go over easy part first Build mm right wing washin root tab start hand-glide model get fin settings wing-stab angular difference longi tudinal dihedral roughly okay Typical fin offsets right glide straight tow 5 mm left glide circle 8 mm right tow circle 12 mm right Start autofin line third hole up hook lever hand-glides dont stall plow furrows tow up full-length line proceed trimming four flight modes Adjust link auto-fin line get tow straight Adjust rear baseplate bolt get about 30sec glide circle Adjust tow circle front baseplate bolt largest can control wind Add remove stab shims get reasonably flat glide Launch trim may take bit longer because speed range through transition right zoom climbing turn smooth roll top glide End points launch trim calm its hard get enough speed climb wind its easy get too much speed spiral Adjust zoom fin offset calm get smooth turn model stalls add offset model spirals down increase washin Now repeat wind retrim needed height safety Right stab tilt may help recoveries Washin changes will affect glide tow trim will have readjust Just keep repeating process weather condi tionsuntil know what model will like what does Fine trim depends flying style field location several suggestions First place tow-ring far rearward required calm- alr launches produces ring position rearward traditional placed farther forward models nose wouldnt come up well calm-air launch Tow control doesnt suffer long stay alert mobile ship different prepared move hook around best performance Second always use little less longitudinal di hedral can get away calm air will let tbe plane malntain airspeed stall ground turbulence paper glider gives up little performance flying faster stall close ground disastrous flight time less longitudinal dihedral required steady circles needed thermal flying Third launch consistency mostly up flier develop practice match physical ability Contest flying favorite part modeling Its payoff building practice Its also neglected facet modeling literature ideas just way approaching competition may suit develop own method Youll probably anyway making best use own personal advantages Contest success determined practice field no mirrors no magic no short cuts Wouldnt fun need strong motivation whatever required succeed measure success using John Woodens yardstick peace mind knowing have done best perform ing up capability can succeed make progress regardless trophies collected Have plan contest possibility can imagine World Champs written plan ran about eight pages long cir cumstance might affect flyingweather competition team responsibilities like preparation needed reply appropriately act thinking out writing plan clari fies thought cements sub conscious can surface reasoned reactions right time Its difficult during major contests analyze situations change tack predictable results have depend judgment responses acquired during planned practice item WC Plan give yourself little slack read contest reports Free Flight World Champs tried repeat problems other people already exper ienced 1971 Wakefield contestant dis qualified having underweight model So ballasted gliders 417-420 grams 7-10 grams overweight homewhere humid Taft WC site ensure after drying out would legal Overorganized say 1979 history repeated itself another Wakefielder disqualified underweight modeL models flight will never notice being 1% overweight processors will always catch fraction gram under Give yourself little slack Modern Towline Glider flying requires aerobically fit modest running program 20 miles week 8-9-mm per mile pace will prepare half-hour tow calm early-morning round Hills fartlek Swedish word speed play training intervals other resistance workouts also beneficial QuickContinued page 12S 70 Model Aviation actually parts two towhooks ar ranged both sides busy part can seen baseplate top Look Closely details adjustment bolts tow glide circles can made hand tools Rear fuselage detail shows layout flying tin adjustable link auto-fin line straight tow trimming Close-up view wing wire fuselage top removable u iri~ model can put small box easytransportabilityan important consideration considering competing abroad MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS SCHIUTER HELl-BOY MJ MAS ENTERPRISES now Announcing American N/C Helicoptersso PoweredAFTER HOURS HOTLINE fering totally new service heli EW ANTISReq $38995 SPECIAL $34995 FORMATION HOTLINE copter enthusiast Now R/C Helicopter can slutee Jet Ranger Fuselage HONE 3Q51 255-0688 stop shopping A/C afford fly Req Only $14595Req $19995 SPECIAL $16995If hating problem regardless Helicopter needs regardless what PECIAL 95 eluluter Bolkow 80105of what flying call between youre flying discount prices CALL FOR PACKAGE DEAL $16995 SPECIAL $13995he hours 7-9 pm EST also offering free set-up andAMERICAN A/C HELICOPTERS FROM WORLD ENGINES happy personally answer flying instruction yours asking MMANDER ITHyour questions bane built flown analyzedAMA NAT IIJNAL WINNER 40 Powered Helicopter major brand Helicopter Regular $32595 SHour Construction Time Mas available SPECIAL $28995List $23995 SPECIAL $18995 tional AMA Champion staff qualified answer VERTED FLIGHtKIT questions ranging installing train- AMERICAN if/CHELICOPTERS HeliboyHB419 $2195 TRUCTIONALTAPES jog gear flying ship inverted REVOLUTKThI ICommander AM 16$1495 W AVAILABLE Regular $23915 $23995 HB 419 Contains Building Trimming SPECIAL $20995 Special Headyoke Assembly Special Flying M J MAS ENTERPRISES Tail Compensator Stand Off Brackets Contest Flying Novice Evpert PO Bos 727 Miami Flu 33197 Custom Built Helicopters include Full Instructions Set-up rotutions set-up/Practice PHONE 3362554688 choice Helicopter Eng Radio Test nAerobatics / Inverted Flight Flown ILimited Basis second semi-final round started after lunch Again Aibritton/Perkins went off first heat again little slow 342even though Cipollas gave good shot sitting out race Heaton/Ross could manage 352 out second beat Smiffy managed 340 seemed set final Dutch Hungarian teams both ran out fuel flying space failed finish left Geschwendtner/ Mau Metkies shot last semi-final heat Robbie blew over cooked first tank cooled quickly pit reset get right back Danish tail came home together tight race time Metkemeyer sneaking ahead third finals spot 342 final looked like lock-up Albritton/ Perkins re-propped commanding speed neither opposition could match Fate last laugh however just built two-lap lead coming first pit stop Danes Albritton came Sn over pit Perkins made grab As did Smiffy came immediately behind struck lines before Perkins could get ship down ground Both ships spilled Perkins out reach Smith/Brown moving eyes turned Jury tower Danish ship started again Silence Danes came pit again again everyone turned Jury Silence competitors entire crowd stared disbelief Jury sat seemingly para lyzed inactivity satisfying thing would have stop once restart prospects race watch remember doesnt always work out way Despite minutes wrangling no disqualifications race ended solo benefit no ones satisfaction no winner survivor US British teams finally granted refly attempt FAI Jury time organizer said show go No refly run went home disappointed Simple Toy/Wilson Con untied page 70 ness speed stamina should goals Proper training allows fly 10th Round solidly first Fliers like run can N I C BY EuYOU cvavbuiid& FLY thistrom kit sod instruct ions .vrv iv ,...s aier fly additionsi info & Catalogue send $118 LOU PROCTOR PO Box 9641 San Diego Caiif 92199 Kit mfgd Proctor Corp 6821 Convoy Ct 5 0 Ca DEPENDABLE Friend O/L Launching dons need cell friend time want get yourgpntrol Line model air new remote release SAFE LOC launcher Strong Safe Ready4ogo anytime see STRONG Safety pull-tested 125 lbs premiere strong enough largest C/L airplanes SAFE Hate built-in lock prevent accidental release IF NOT AT YOUR DEALER R DIRECT flflST CLAIR MODEL COMPONENTS P0 Box 5626 PP enthetlSAEugene OR 97405 November 1 980 1 25 ZONA SAWS famous line hobby SaWS Razor #200 *1 90 $165 Saw set #100 Replacement blades available dealer FAX Modwi Suppiy PO Box 3957 RTorranca CA 90510 USA racing IS under way secona aay ana cne US still two teams semi-finals Build 8 Profile Aircraft ENTERPRISE book 11 14 contains 8 E Atchison 3 different color schemes aircraft construction views Pasadena CA 91104 full size templets Just trace cut shape glue paint youre$650 5hppin5 Cal Rex ready goadd sales tax MPS uJ IUIUI S MODEL PROTECTIVE SYSTEMS NOW CHECKING YOUR BATTERIES ON PART TIME BASIS IS ONLY THE HALF OF IT relying Battery Cyclers LEDs ESVs new mercuty measuring devices getting partial protection Receiver POWER Alert ONLY UNIT will give audible wammg instantly witen voltage problem arises Power Alert installed transmitter also will give total battery protection Power Alert $1995 us Funds plus $100 postage Products fully guaranteed year Also available PlaneAlert $1295 System Alert $2795 Positive System Alert isa combination Power Alert PlaneAlert unit certainly benefit difficult workouts like goals aim possibly moat fit US Glider flier Dennis Mihora Santa Barbara CA Dennis has run 10K 62 mile race just over 32 minutes hes com pleted marathon 263 miles about three hours Running popular now uncounted books subject Running training can obsession itself training book men tioned end article No single book perfect suggested covers 80% good stuff Put much effort running can enjoy Towline Glider athletic modeling events theres no single important part plane/preparation practice equation fitness Fitness cant overemphasized Glider flying ability follows fitness Stretching exercises help balance muscle de velopment reduce injuries Preventing injuty allows regular workouts steady fitness improve ment Stretching also improves flexibility helps speed Stretching before flying good warm-up reduces strain Basic stretches running include Achilles tendons calves hamstrings quadraceps hips back shoul ders Some modest strengthening exercises will also aid running include calves ham strings stomach upper chest mental preparation practice rehearsal concentration relaxation techniques free myself distractions flying drills help smooth peaks performance consistent high levels youre interested start reading Dr Tutkos book approach has helped neighborhood galaxy class athletes perform best flying field practice fundamentals Have goal list try practice smart hard Expect competitors prepared best ability interest have no strategic secrets Contests decided execution fundamentals con ditioning practice tow mobility parking air picking launch positioning mechanics trimming glide weather conditions different strategies can work fine long choose suited nature can execute reliably contests Practice what plan doing contests practice best airplanes will have different person alities have get know well Dont afraid crashing Gliders frequently fly better after repairs anyway Its difficult over-practice over-organize can become mentally stale Prevent staleness playing games practice Some things try 1 Piggy-back drills wherein number fliers tow must launch max air first launcher takesregardless launches field 2 Flying two ships still air really check trim times 3 Champagne flyoffs contests can fly 4 Downwind starts 5 Ending practice positive note good flight end result right practice confidence poise know can handle yourself airplane really prepared world class level no accident product organized well thought-out practice isnt cheap level effort everything love World level competition should all-out several people have published desires simplify FAI competition back sport flying say phooey enjoy flying once month between 10 2 perfect Sundaygreat stay what enjoy Remember its work youd rather doing something else contest starts draw confidence preparation Know youre fit planned Know airplanes proven ready Clear head concentrate making maxes Just before fly take moment mentally rehearse flight tow up through recording max Stay alert keep head contest pay attention sign lift After flight write brief note later collation way can encouraged good can learn bad drop flight try bear down harder Max out rest way As Yogl Berra once said Youre never Out till youre out never know what other fliers will what outcome will until scores Never give up Reference Stretching Bob Anderson Box 2734 Fullerton CA 92633 Sports Psyching Dr Thomas Tutko Tarcher Sports Illustrated Track Field RunningEvents James Dunaway Lippincott Practical Modern liasketball John Wooden Ronald Seclig Timers Doug Gaibreath Box 707 Davis CA 95616 Towbooks Juan Livotto 13212 take Sr Los Angeles CA 90066 Launch Chute/Gist Continued page 72 article describes use now Materials equipment will need two pieces fabric 12 x 4 four pieces shroud line about 36 two tow rings Polyester nylon sailcloth ideal went hot-air balloon maker got some rip-stop nylon might try sailboating shop sailmaker shroud line should braided twisted monofilament will Since actually eight shroud lines line material does have super strong has 25% strength main launch line will two-to-one margin will also need sewing machine best kind does zigzag stitches also does what called darning smocking stitch looks like zigzag stitch difference needle pierces fabric end zigzag darning machine also fastens fabric times between ends zigzag plain zigzag will work Assembly Lay two pieces fabric another cross shown drawing pin together Starting corner piece run zigzag stitch way around piece back same corner pieces should joined two seams Now repeat process other piece remove pins Make sure outside edge zigzag right edge fabric slightly off edge keeps fabric raveling four seams around center square lock two pieces together Next lay ofthe four shroud lines across chute shown diagonally corner opposite corner center line center chute Thread first tow ring line Using darning zigzag stitch sew line fabric along line keeping tow ring center drawing shows part seam Try keep line 1 26 Model Aviation WIELD VAR II CONSTRLCTIONam
Edition: Model Aviation - 1980/11
Page Numbers: 68, 69, 70, 125, 126
Weve just maxed out 79 World Champi onshipel combination model being held plus photographic obliquity causes wing appear have trailing edge taperit doesnt Trailing edge straight tip-to-tip taper lead edge world-class FF Towline Glider given name must have least bit tong ue-in cheek Its top model class placing 4th 1979 World Championships Take note authors personal preparations important factor ultimate compe tition involved EJim Wilson MY CURRENT Fl Glider Simple Toy result studying other airplanes four years methodical development seven models Editor Fl designation given Federation Aeronautique Internationale FAI World Championships class Free Flight Towline Gliders also referred A-2 Nordic Glider Technically similar other world-class gliders Wing airfoils aspect ratios stability margins turning tendancies models have reached practical optimums Indi viduals now use different layouts structural details just suit particular flying styles Simple Toy suits wayl like fly parks high line constant attention follows obediently towed lift structurally strong enough withstand strong est zoom launches Gliding free can 3-mm max no help stays thermal put Within restrictions class rules flight modes demand compromises develop ment has produced strong stable model reliable competition Number 6 original Simple Toy has well over 1000 flights second Toy approaching 500 Both have maxed still morning air also survived Tafts violent trash-moving thermals Number 6 scored 240-second max Pole 13 13th Round Team Finals help gain US team place 1979 World Champion ships Simple Toy contributed U Ss firstever team win Towline maxing out placing fourth flyoff As far Simple Toy developed fly lot about 60 days 1979 just tried variety different ideas present collection model work pretty good wasnt really ~designed think funny word Reynolds number range anyway rather design evolved through playing around different things trying have little fun keep asking myself ship could improved new answers always surprising friends competitors have helpful SCAT Club mates have really offered lot encouragement Id like acknowledge much needs said about Simple Toys construction Bill Blanchards fine plan selfexplanatory just few tips Take time poorly built model poorly built forever takes about three months build Simple Toy models last long November 198069 War council before first round 79 World Championships Matt Gewain faces camera counterclockwise Bill Blanchard Dick Myers Simple Toy Jim Wilson play Note towing reel best mobility Coach lsaacson would gripe about poor arm position knee lift Wilson would reply Yeah right maxed barely Glider over right shoulder following easily time building effort good investment Build straight Cut parts accurately fit carefully ship few built-in stresses will less likely warp wont constantly surprise trim changes Build light Add ballast bring model up 410-gram minimum weight plus margin Watch wood densities especially sheeted areas use small amounts glue dont need much think Use Titebond glue thinned about 10% water construction Epoxy required metal-to-wood joints Clear K&B Super Poxy paint used apply light fiberglass cloth D-box boom Nitrate dope used other covering finish Spray tops wing stabilizer com mercial lacquer flattener provide surface roughness Double-cover wing help torsional rigidity ease inevitable punctured tissue repairs New tissue about light strong 20 years ago colors less vivid Color can enhanced leaching dye out Magic Marker wick lacquer thinner using make thin colored dope Spraying dope tissue same color produces dense light-weight finish Simple Toy has black underwings increased visibility Opaque black combined V-dihedral makes plane easy spot soars up another max Build wing flat washout tips doping covered wing washout prevents tip stall smooths flight path turbulence tow hook shown plan easy make hand tools works well sheet metal skills SCAT Club mates Juan Livotto makes sells hooks ready use can write him price availability See reference list end Simple Toys dimensions mostly metric two reasons First metric units easier use computations being decimaL Second ma jority best Gliders measured metric system because oftheir birthplace Famil iarity units makes easier understand what other fliers doing learn experiences Flight-trimming straight properly balanced Simple Toy easy Preparing yourself com pete difficult Lets go over easy part first Build mm right wing washin root tab start hand-glide model get fin settings wing-stab angular difference longi tudinal dihedral roughly okay Typical fin offsets right glide straight tow 5 mm left glide circle 8 mm right tow circle 12 mm right Start autofin line third hole up hook lever hand-glides dont stall plow furrows tow up full-length line proceed trimming four flight modes Adjust link auto-fin line get tow straight Adjust rear baseplate bolt get about 30sec glide circle Adjust tow circle front baseplate bolt largest can control wind Add remove stab shims get reasonably flat glide Launch trim may take bit longer because speed range through transition right zoom climbing turn smooth roll top glide End points launch trim calm its hard get enough speed climb wind its easy get too much speed spiral Adjust zoom fin offset calm get smooth turn model stalls add offset model spirals down increase washin Now repeat wind retrim needed height safety Right stab tilt may help recoveries Washin changes will affect glide tow trim will have readjust Just keep repeating process weather condi tionsuntil know what model will like what does Fine trim depends flying style field location several suggestions First place tow-ring far rearward required calm- alr launches produces ring position rearward traditional placed farther forward models nose wouldnt come up well calm-air launch Tow control doesnt suffer long stay alert mobile ship different prepared move hook around best performance Second always use little less longitudinal di hedral can get away calm air will let tbe plane malntain airspeed stall ground turbulence paper glider gives up little performance flying faster stall close ground disastrous flight time less longitudinal dihedral required steady circles needed thermal flying Third launch consistency mostly up flier develop practice match physical ability Contest flying favorite part modeling Its payoff building practice Its also neglected facet modeling literature ideas just way approaching competition may suit develop own method Youll probably anyway making best use own personal advantages Contest success determined practice field no mirrors no magic no short cuts Wouldnt fun need strong motivation whatever required succeed measure success using John Woodens yardstick peace mind knowing have done best perform ing up capability can succeed make progress regardless trophies collected Have plan contest possibility can imagine World Champs written plan ran about eight pages long cir cumstance might affect flyingweather competition team responsibilities like preparation needed reply appropriately act thinking out writing plan clari fies thought cements sub conscious can surface reasoned reactions right time Its difficult during major contests analyze situations change tack predictable results have depend judgment responses acquired during planned practice item WC Plan give yourself little slack read contest reports Free Flight World Champs tried repeat problems other people already exper ienced 1971 Wakefield contestant dis qualified having underweight model So ballasted gliders 417-420 grams 7-10 grams overweight homewhere humid Taft WC site ensure after drying out would legal Overorganized say 1979 history repeated itself another Wakefielder disqualified underweight modeL models flight will never notice being 1% overweight processors will always catch fraction gram under Give yourself little slack Modern Towline Glider flying requires aerobically fit modest running program 20 miles week 8-9-mm per mile pace will prepare half-hour tow calm early-morning round Hills fartlek Swedish word speed play training intervals other resistance workouts also beneficial QuickContinued page 12S 70 Model Aviation actually parts two towhooks ar ranged both sides busy part can seen baseplate top Look Closely details adjustment bolts tow glide circles can made hand tools Rear fuselage detail shows layout flying tin adjustable link auto-fin line straight tow trimming Close-up view wing wire fuselage top removable u iri~ model can put small box easytransportabilityan important consideration considering competing abroad MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS SCHIUTER HELl-BOY MJ MAS ENTERPRISES now Announcing American N/C Helicoptersso PoweredAFTER HOURS HOTLINE fering totally new service heli EW ANTISReq $38995 SPECIAL $34995 FORMATION HOTLINE copter enthusiast Now R/C Helicopter can slutee Jet Ranger Fuselage HONE 3Q51 255-0688 stop shopping A/C afford fly Req Only $14595Req $19995 SPECIAL 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Miami Flu 33197 Custom Built Helicopters include Full Instructions Set-up rotutions set-up/Practice PHONE 3362554688 choice Helicopter Eng Radio Test nAerobatics / Inverted Flight Flown ILimited Basis second semi-final round started after lunch Again Aibritton/Perkins went off first heat again little slow 342even though Cipollas gave good shot sitting out race Heaton/Ross could manage 352 out second beat Smiffy managed 340 seemed set final Dutch Hungarian teams both ran out fuel flying space failed finish left Geschwendtner/ Mau Metkies shot last semi-final heat Robbie blew over cooked first tank cooled quickly pit reset get right back Danish tail came home together tight race time Metkemeyer sneaking ahead third finals spot 342 final looked like lock-up Albritton/ Perkins re-propped commanding speed neither opposition could match Fate last laugh however just built two-lap lead coming first pit stop Danes Albritton came Sn over pit Perkins made grab As did Smiffy came immediately behind struck lines before Perkins could get ship down ground Both ships spilled Perkins out reach Smith/Brown moving eyes turned Jury tower Danish ship started again Silence Danes came pit again again everyone turned Jury Silence competitors entire crowd stared disbelief Jury sat seemingly para lyzed inactivity satisfying thing would have stop once restart prospects race watch remember doesnt always work out way Despite minutes wrangling no disqualifications race ended solo benefit no ones satisfaction no winner survivor US British teams finally granted refly attempt FAI Jury time organizer said show go No refly run went home disappointed Simple Toy/Wilson Con untied page 70 ness speed stamina should goals Proper training allows fly 10th Round solidly first Fliers like run can N I C BY EuYOU cvavbuiid& FLY thistrom kit sod instruct ions .vrv iv ,...s aier fly additionsi info & Catalogue send $118 LOU PROCTOR PO Box 9641 San Diego Caiif 92199 Kit mfgd Proctor Corp 6821 Convoy Ct 5 0 Ca DEPENDABLE Friend O/L Launching dons need cell friend time want get yourgpntrol Line model air new remote release SAFE LOC launcher Strong Safe Ready4ogo anytime see STRONG Safety pull-tested 125 lbs premiere strong enough largest C/L airplanes SAFE Hate built-in lock prevent accidental release IF NOT AT YOUR DEALER R DIRECT flflST CLAIR MODEL COMPONENTS P0 Box 5626 PP enthetlSAEugene OR 97405 November 1 980 1 25 ZONA SAWS famous line hobby SaWS Razor #200 *1 90 $165 Saw set #100 Replacement blades available dealer FAX Modwi Suppiy PO Box 3957 RTorranca CA 90510 USA racing IS under way secona aay ana cne US still two teams semi-finals Build 8 Profile Aircraft ENTERPRISE book 11 14 contains 8 E Atchison 3 different color schemes aircraft construction views Pasadena CA 91104 full size templets Just trace cut shape glue paint youre$650 5hppin5 Cal Rex ready goadd sales tax MPS uJ IUIUI S MODEL PROTECTIVE SYSTEMS NOW CHECKING YOUR BATTERIES ON PART TIME BASIS IS ONLY THE HALF OF IT relying Battery Cyclers LEDs ESVs new mercuty measuring devices getting partial protection Receiver POWER Alert ONLY UNIT will give audible wammg instantly witen voltage problem arises Power Alert installed transmitter also will give total battery protection Power Alert $1995 us Funds plus $100 postage Products fully guaranteed year Also available PlaneAlert $1295 System Alert $2795 Positive System Alert isa combination Power Alert PlaneAlert unit certainly benefit difficult workouts like goals aim possibly moat fit US Glider flier Dennis Mihora Santa Barbara CA Dennis has run 10K 62 mile race just over 32 minutes hes com pleted marathon 263 miles about three hours Running popular now uncounted books subject Running training can obsession itself training book men tioned end article No single book perfect suggested covers 80% good stuff Put much effort running can enjoy Towline Glider athletic modeling events theres no single important part plane/preparation practice equation fitness Fitness cant overemphasized Glider flying ability follows fitness Stretching exercises help balance muscle de velopment reduce injuries Preventing injuty allows regular workouts steady fitness improve ment Stretching also improves flexibility helps speed Stretching before flying good warm-up reduces strain Basic stretches running include Achilles tendons calves hamstrings quadraceps hips back shoul ders Some modest strengthening exercises will also aid running include calves ham strings stomach upper chest mental preparation practice rehearsal concentration relaxation techniques free myself distractions flying drills help smooth peaks performance consistent high levels youre interested start reading Dr Tutkos book approach has helped neighborhood galaxy class athletes perform best flying field practice fundamentals Have goal list try practice smart hard Expect competitors prepared best ability interest have no strategic secrets Contests decided execution fundamentals con ditioning practice tow mobility parking air picking launch positioning mechanics trimming glide weather conditions different strategies can work fine long choose suited nature can execute reliably contests Practice what plan doing contests practice best airplanes will have different person alities have get know well Dont afraid crashing Gliders frequently fly better after repairs anyway Its difficult over-practice over-organize can become mentally stale Prevent staleness playing games practice Some things try 1 Piggy-back drills wherein number fliers tow must launch max air first launcher takesregardless launches field 2 Flying two ships still air really check trim times 3 Champagne flyoffs contests can fly 4 Downwind starts 5 Ending practice positive note good flight end result right practice confidence poise know can handle yourself airplane really prepared world class level no accident product organized well thought-out practice isnt cheap level effort everything love World level competition should all-out several people have published desires simplify FAI competition back sport flying say phooey enjoy flying once month between 10 2 perfect Sundaygreat stay what enjoy Remember its work youd rather doing something else contest starts draw confidence preparation Know youre fit planned Know airplanes proven ready Clear head concentrate making maxes Just before fly take moment mentally rehearse flight tow up through recording max Stay alert keep head contest pay attention sign lift After flight write brief note later collation way can encouraged good can learn bad drop flight try bear down harder Max out rest way As Yogl Berra once said Youre never Out till youre out never know what other fliers will what outcome will until scores Never give up Reference Stretching Bob Anderson Box 2734 Fullerton CA 92633 Sports Psyching Dr Thomas Tutko Tarcher Sports Illustrated Track Field RunningEvents James Dunaway Lippincott Practical Modern liasketball John Wooden Ronald Seclig Timers Doug Gaibreath Box 707 Davis CA 95616 Towbooks Juan Livotto 13212 take Sr Los Angeles CA 90066 Launch Chute/Gist Continued page 72 article describes use now Materials equipment will need two pieces fabric 12 x 4 four pieces shroud line about 36 two tow rings Polyester nylon sailcloth ideal went hot-air balloon maker got some rip-stop nylon might try sailboating shop sailmaker shroud line should braided twisted monofilament will Since actually eight shroud lines line material does have super strong has 25% strength main launch line will two-to-one margin will also need sewing machine best kind does zigzag stitches also does what called darning smocking stitch looks like zigzag stitch difference needle pierces fabric end zigzag darning machine also fastens fabric times between ends zigzag plain zigzag will work Assembly Lay two pieces fabric another cross shown drawing pin together Starting corner piece run zigzag stitch way around piece back same corner pieces should joined two seams Now repeat process other piece remove pins Make sure outside edge zigzag right edge fabric slightly off edge keeps fabric raveling four seams around center square lock two pieces together Next lay ofthe four shroud lines across chute shown diagonally corner opposite corner center line center chute Thread first tow ring line Using darning zigzag stitch sew line fabric along line keeping tow ring center drawing shows part seam Try keep line 1 26 Model Aviation WIELD VAR II CONSTRLCTIONam