RADIO CONTROL SOARING F3J HAND TOW SOARING can thought British Import first saw F3J 1984 World Soaring Jamboree Pasco Washington teams England Canada US F3J international event often flown United Kingdom Europe now gradually entering American soaring scene Rich Burnowski pointed out handtowing entirely new noting 1978 before F3B multitask launched hand-tow instead winches Terry Edmonds mentioned hand-towing entirely accurate nickname event properly called Thermal Duration Gliders FAI rules Its interesting promising event deserves descriptive name saw F3J flown 1995 1996 Nats became convinced has great potential new type club regional competition F3J requires teamwork strategy usual Thermal Duration events yet requires less equipment better-known F3B event Winches needed because sailplanes launched human power Sighting devices needed F3B speed distance tasks Simpler airplanes F3B can flown acute competition still results because man-on-man format team strategy involved two additional reasons F3J generates interest Thermal Duration contests Rounds frequently begin mass launch rounds end mass landingexciting participants spectators Starting 1998 F3J will flown World Championship event alternating years F3B US team selection will held year most-current information 1997 US team selection process 1998 World Championships contact US team selection committee chair Terry Edmonds E-mail tedmonds@icaenuiowaedu 319 6442822 evenings An F3J team consists pilot tow person two timer/spotters airplanes Ive seen light six-servo models about 120-140-inch wingspan Landing skegs allowed event consists thermal duration task precision spot landing Competition windows ten minutes long 15 minutes flyoff rounds five-minute preparation time Strategy comes play quickly lift marginal good lift appears present everyone generally launches beginning round lift marginal pilots tend wait see what will happen pucker factor increases near end round because landing points lost aircraft still air window closes competitive round usually ends exciting mass landing Since relaunches allowed strategy enters picture considerations initial launch time finding lift deciding relaunch 86 Model Aviation e members winning F3J team 1996 NatsL-R flightilne 1996 NatsL-R spotter Tom Keisling pilot pilot Josh Glaab spotter John Hauf tow man Hans Weiderker Josh Glaab WACO Millennium spotter John Hauf L-R Jim Deck Indiana Bob Howard Wisconsin Robert Cavazos California examine F3J hand-tow pulley F3J tow men job 1996 Nats BJ Weisman summarized F3J experience Its lot fun Thermal Duration because theres strategy involved Theres action because theres possibility relight [relaunch] man-on-man format weeds out good bad pilots negative youve got have guys F3J winners 1996 Nats band hardy souls Eastern Soaring League pilot Josh Glaab tow man Hans Weiderkehr timer/spotters John Hauf Thomas Kiesling end first day F3J competition ESL team barely made last place list finalists end flyoffs next morning easterners delivered startling comefrom-behind victory chance discuss F3J experiences two ESL team asked what advice theyd give new event What makes F3J engaging Josh Glaab attraction F3J teamwork complex strategy highly dynamic environment typical event Much thought needed fly F3J typical thermal-duration events since possibilities such time launch decision relaunch Thomas Kiesling Strategy Team personnel selection considerations 88 Model Aviation Weiderker other tow men lay out launch lines Final-round F3J mass launch 1996 Nats Munciefinal round F3J competition 1996 Nats TK Tow persona good runner lots mass Bulk good 200-pound person can run fairly well usually better fast 120-pound person Timera positive person can read air well knows flying style timer needs able tell pilot usable informationlike distance thermals entry points thermals strength thermals Pilotget good pilot arent yourself Sailplane selection considerations JG great things about F3J ordinary thermal duration competition plane will well F3J competition has advantage requiring specialized sailplanes built flown F3J events unlike F3B However good F3J aircraft have strong structures withstand vigorous high-speed launches Consideration has given matching aircraft tow person large 11-foot-span sailplane may overpower some tow people may lift ground short distances Smaller aircraft such threemeter-span airplanes two-meter may provide better match aircraft needs good thermaler able well light lift lower altitudes big differences between F3J standard thermal events average launch heights lowertypically 300 350 feet TK prefer sticking design getting know well opposed learning two models such floater F3B model Most Thermal Duration models will work however prefer slightly larger models typicalspans 125-140 inches Im leaning toward lifty airfoils such 5D7037 E387 later airfoils sound cooler fun go fast can work thermal Light super-strong structures necessary F3Jespecially youre sticking design Being able go low eight ounces per square foot nice superlight conditions right airfoil other end being able ballast up 12 ounces per square foot needed windy conditions structure needs strong enough withstand aggressive launches gusty conditions Remember dont have control tow person like winch Training preparation TK Fly much can preferably fliers better Fly team Running probably best exercise tow person JG Practice sessions very useful especially some team members have July1997 89 WEST I ~VI BRANO EPOXY Custom blend event batch meet specific application Resin Four Hardeners Seven Fillers THE SOLID SOLUTION Send $5 Product Guide Technical Manual CST Price List Sale Announcement IIIII Eu Composite Structures Technology P0 Box 642 Dept JM Tehachapi CA 93581 Order Desk 400-338-1278 Technical Information 1-806-822-4162 GMS2000 proud announce arrival Crown Jewel lineup top quality engines GMS2000 120 2-stroke Light weight attention detail typical GMS engineering 2needle carburetor contribute continued success line already established unsurpassed GMS2000 40 47 2 year warranty anct excellent service support GMS2000 engines meant used seen isc International RO Box 40116 Indianapolis Indiana 46280 1-317-844-1978 http//wwwiquestnetIisc WATER JET CUT CARBON FIBER STRIPS Latest Techualagy No Sanding Necessary Smooth Edges Great Spar Caps Predilee Cut Strips Foam Whug Reinforcemeat haduble Surfaces Lowest Prkes Cli 10Cr Thick 1/4s4f 2/pkgl $315 3/Fs4r 2 pkgl $350 CL2 lOl4ihickl 11fx48 Vplcgl $400 3/Fs4F 12 plrgl $475 CL 02T Thick 1/4s4f Vpkgl $500 3/ts48 2 pkgl S675 CL4 03r ihick lIfs4f 12/pkgl $600 3/ts48 2 pkgl S9tt Send SASE information additional sizes products Add $500 shipping handlinq Calif residents add 825% tax Overseas orders add t5% OrderCOD MCI VISA send check money order Aerospace CompositeProducts tttTtE Dl SAIl LEAJIDRO CA 94577 1 352-2922 FAX 5101 352-2021 North west Model Distribution 21527 NE 227th Battle Ground wA 98604 1-360-687-9452 never competed F3J Some team positions cannot learned meaningful simulated competition such timer/lift spotter Go small F3J meets before going larger ones Practice F3J meets can arranged fellow club members can beneficial two three fliers will participate Also good practice sessions involve different scenarios such no wind high wind facet good practice session rapid-relaunch series pilot repetitively takes full launch dives ground quick relight tests equipment ability team coordinate launches during non-ideal conditions course can short periods before tow person quits Contest strategy TK Launch high can reason needing strong model Have flight plan timer agree Dont fly sink plan doesnt work abort ASAPjust fly direction fast can flight plan really doesnt workif people out-of-range schooling youthen relaunch join JG strategy delay initial launch use other aircraft read air risky because competitor launches competition window opening maxes round will win round However 700 score will win contest delayed launch could beneficial since higher percent chance earn seven- eight-minute flight other aircraft marking conditions Another time use delayed launch lot fliers round producing large chance collision launch least some large evasive maneuvers Either will seriously detract launch height compromise chances 90 Model Aviation n rnM 2000- 12000 Sheft 5ze 3/8n24 Wegh5 26 4oz D 330-877-1445 f Service & Repairs Most Radio Control Systems Utilizing Calibrated Test Equipment & Spectrum Analyzers Endorsd AMA RCMA Sticker Station #105 Futaba Airtronics JR Ace HiTec Tower Cirrus World Engines & WE USE GENUINE FACTORY REPLACEMENT PARTS Complete 1991 Narrow Banding & Upgrades RCD / HITEC R/C DEALER FCC Licensed Speed Control Repairs Quality Service Fast Turn Around Shipping & Insurance ExtraUPS Mail Visit home page http//wwwdnjelectronicscom Email david@dnjelectronicscom jayne@dnjelectronics AMA #256123ARRLWBSYSQ LEE 5IJfl RDHLE stesundtie operate 30 trots prop REUABLiTYqualify components SENSITIVEgoodinsunny&cloudydays VERSATIE2/3 blade switch LOW UPKEEPXv batety Included STABLEcrystal oscillator cotlfrol FASTltttOt rpm props & fans 150tOO rpm turboes ACCURATEt0005% -ttC 7tC RESOLUllONitO rpm readeut 2[ftrpmnowavaiable USEABLEbage LCD & steady readings easy carb adjustnent Call lax wnfe infomrafiorr pnoes NC ELECTRONICS 2 WHITES LANE WOODSTOCK NY 12408 TEL t144794549 FAX 014-6704842 winning JG Once air common strategy shadow aircraft below attempt last down flaw strategy cant fly own airplane well watching other aircraft own dog decisive just tend follow herd way ground Better pilots blaze own trails incur some risk doing instance launch go running downwind educated guess vulnerable cheesy upwind thermals some other fliers may find find yourself situation such would need rapidly land relaunch save much round possible JG Decision-making critical scenario important remember competing against other pilots also yourself since would need have significant chance beating current effort before relaunching Once committed relaunch possible speed essential remain competitive Josh told thing regret trophy first place awarded went up alone receive should have received because consistently superb teamwork definitely would have won such wide margin probably would have won Josh has made great deal information available prospective F3J fliers WWW site http/wwwpinnnet/ljglaab/lgmainht ml shipping TURNBUCKLES 1/8-1/3 SPOKED WHEELS P-l0 SCALE GUNS 1/6-1/3Brandenburg C-i AiIzcajt&Ifl IS PROUD TO INTRODUCE new line large scale RC kits Available 1/61/4 & 1/3 scales kits delivered conaplete including hardware guns real spoked wheels fully detailed cockpits replica engines Illustrated color plans ammnbly manuals Order kits phone 602 314-9937 fax 602 314-3409 V/MC Order new catalog send $5 CK MO Arizona Model Aircrafters 9050 East Gray rd 27 Scottsdale AZ 85260& five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 IBC-l Fits FUTABA S28/S 128 S38/S 138 S48/St48 Servos set 4$2595 tRC2As above set 1$695 -3Fits AIRTRONICS 94102 Servos set 4$2595 -4As above set 1$695 mnnc-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5l Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only calitornia Residents Add 775% Sales Tax 845-8978 Orders Only VISA MASTERCARD Accepted 1120 Wrigley Way Milpitas California 95035 Voice/Fax 408 946-4751 408 WINGS-S 1 diCTS LOOK no further fully molded sailplane needs RnR offer selection high performance sailplanes will address specific requirementa F3BThermal Duration Slope Cross Country Mark Allen designed World Championship F3B EAGLE now being produced RnR its new lower price RnR sailplane enioys design construction enhancements 1997 RnRs composite molded technology provides tinique blend strength weight optimization Noticeable results found through increased durability torsional stability stiffness incorporated wing fuselage tail section also offer selection parts joiner systems scratch builders Out catch latest visualsspecificationsand competitive pricing ofRnRs sailplanes contact RnR RnR skys limit. July 1997 91 224 MissIon Yorba Linda CA
Edition: Model Aviation - 1997/07
Page Numbers: 86, 88, 89, 90, 91
RADIO CONTROL SOARING F3J HAND TOW SOARING can thought British Import first saw F3J 1984 World Soaring Jamboree Pasco Washington teams England Canada US F3J international event often flown United Kingdom Europe now gradually entering American soaring scene Rich Burnowski pointed out handtowing entirely new noting 1978 before F3B multitask launched hand-tow instead winches Terry Edmonds mentioned hand-towing entirely accurate nickname event properly called Thermal Duration Gliders FAI rules Its interesting promising event deserves descriptive name saw F3J flown 1995 1996 Nats became convinced has great potential new type club regional competition F3J requires teamwork strategy usual Thermal Duration events yet requires less equipment better-known F3B event Winches needed because sailplanes launched human power Sighting devices needed F3B speed distance tasks Simpler airplanes F3B can flown acute competition still results because man-on-man format team strategy involved two additional reasons F3J generates interest Thermal Duration contests Rounds frequently begin mass launch rounds end mass landingexciting participants spectators Starting 1998 F3J will flown World Championship event alternating years F3B US team selection will held year most-current information 1997 US team selection process 1998 World Championships contact US team selection committee chair Terry Edmonds E-mail tedmonds@icaenuiowaedu 319 6442822 evenings An F3J team consists pilot tow person two timer/spotters airplanes Ive seen light six-servo models about 120-140-inch wingspan Landing skegs allowed event consists thermal duration task precision spot landing Competition windows ten minutes long 15 minutes flyoff rounds five-minute preparation time Strategy comes play quickly lift marginal good lift appears present everyone generally launches beginning round lift marginal pilots tend wait see what will happen pucker factor increases near end round because landing points lost aircraft still air window closes competitive round usually ends exciting mass landing Since relaunches allowed strategy enters picture considerations initial launch time finding lift deciding relaunch 86 Model Aviation e members winning F3J team 1996 NatsL-R flightilne 1996 NatsL-R spotter Tom Keisling pilot pilot Josh Glaab spotter John Hauf tow man Hans Weiderker Josh Glaab WACO Millennium spotter John Hauf L-R Jim Deck Indiana Bob Howard Wisconsin Robert Cavazos California examine F3J hand-tow pulley F3J tow men job 1996 Nats BJ Weisman summarized F3J experience Its lot fun Thermal Duration because theres strategy involved Theres action because theres possibility relight [relaunch] man-on-man format weeds out good bad pilots negative youve got have guys F3J winners 1996 Nats band hardy souls Eastern Soaring League pilot Josh Glaab tow man Hans Weiderkehr timer/spotters John Hauf Thomas Kiesling end first day F3J competition ESL team barely made last place list finalists end flyoffs next morning easterners delivered startling comefrom-behind victory chance discuss F3J experiences two ESL team asked what advice theyd give new event What makes F3J engaging Josh Glaab attraction F3J teamwork complex strategy highly dynamic environment typical event Much thought needed fly F3J typical thermal-duration events since possibilities such time launch decision relaunch Thomas Kiesling Strategy Team personnel selection considerations 88 Model Aviation Weiderker other tow men lay out launch lines Final-round F3J mass launch 1996 Nats Munciefinal round F3J competition 1996 Nats TK Tow persona good runner lots mass Bulk good 200-pound person can run fairly well usually better fast 120-pound person Timera positive person can read air well knows flying style timer needs able tell pilot usable informationlike distance thermals entry points thermals strength thermals Pilotget good pilot arent yourself Sailplane selection considerations JG great things about F3J ordinary thermal duration competition plane will well F3J competition has advantage requiring specialized sailplanes built flown F3J events unlike F3B However good F3J aircraft have strong structures withstand vigorous high-speed launches Consideration has given matching aircraft tow person large 11-foot-span sailplane may overpower some tow people may lift ground short distances Smaller aircraft such threemeter-span airplanes two-meter may provide better match aircraft needs good thermaler able well light lift lower altitudes big differences between F3J standard thermal events average launch heights lowertypically 300 350 feet TK prefer sticking design getting know well opposed learning two models such floater F3B model Most Thermal Duration models will work however prefer slightly larger models typicalspans 125-140 inches Im leaning toward lifty airfoils such 5D7037 E387 later airfoils sound cooler fun go fast can work thermal Light super-strong structures necessary F3Jespecially youre sticking design Being able go low eight ounces per square foot nice superlight conditions right airfoil other end being able ballast up 12 ounces per square foot needed windy conditions structure needs strong enough withstand aggressive launches gusty conditions Remember dont have control tow person like winch Training preparation TK Fly much can preferably fliers better Fly team Running probably best exercise tow person JG Practice sessions very useful especially some team members have July1997 89 WEST I ~VI BRANO EPOXY Custom blend event batch meet specific application Resin Four Hardeners Seven Fillers THE SOLID SOLUTION Send $5 Product Guide Technical Manual CST Price List Sale Announcement IIIII Eu Composite Structures Technology P0 Box 642 Dept JM Tehachapi CA 93581 Order Desk 400-338-1278 Technical Information 1-806-822-4162 GMS2000 proud announce arrival Crown Jewel lineup top quality engines GMS2000 120 2-stroke Light weight attention detail typical GMS engineering 2needle carburetor contribute continued success line already established unsurpassed GMS2000 40 47 2 year warranty anct excellent service support GMS2000 engines meant used seen isc International RO Box 40116 Indianapolis Indiana 46280 1-317-844-1978 http//wwwiquestnetIisc WATER JET CUT CARBON FIBER STRIPS Latest Techualagy No Sanding Necessary Smooth Edges Great Spar Caps Predilee Cut Strips Foam Whug Reinforcemeat haduble Surfaces Lowest Prkes Cli 10Cr Thick 1/4s4f 2/pkgl $315 3/Fs4r 2 pkgl $350 CL2 lOl4ihickl 11fx48 Vplcgl $400 3/Fs4F 12 plrgl $475 CL 02T Thick 1/4s4f Vpkgl $500 3/ts48 2 pkgl S675 CL4 03r ihick lIfs4f 12/pkgl $600 3/ts48 2 pkgl S9tt Send SASE information additional sizes products Add $500 shipping handlinq Calif residents add 825% tax Overseas orders add t5% OrderCOD MCI VISA send check money order Aerospace CompositeProducts tttTtE Dl SAIl LEAJIDRO CA 94577 1 352-2922 FAX 5101 352-2021 North west Model Distribution 21527 NE 227th Battle Ground wA 98604 1-360-687-9452 never competed F3J Some team positions cannot learned meaningful simulated competition such timer/lift spotter Go small F3J meets before going larger ones Practice F3J meets can arranged fellow club members can beneficial two three fliers will participate Also good practice sessions involve different scenarios such no wind high wind facet good practice session rapid-relaunch series pilot repetitively takes full launch dives ground quick relight tests equipment ability team coordinate launches during non-ideal conditions course can short periods before tow person quits Contest strategy TK Launch high can reason needing strong model Have flight plan timer agree Dont fly sink plan doesnt work abort ASAPjust fly direction fast can flight plan really doesnt workif people out-of-range schooling youthen relaunch join JG strategy delay initial launch use other aircraft read air risky because competitor launches competition window opening maxes round will win round However 700 score will win contest delayed launch could beneficial since higher percent chance earn seven- eight-minute flight other aircraft marking conditions Another time use delayed launch lot fliers round producing large chance collision launch least some large evasive maneuvers Either will seriously detract launch height compromise chances 90 Model Aviation n rnM 2000- 12000 Sheft 5ze 3/8n24 Wegh5 26 4oz D 330-877-1445 f Service & Repairs Most Radio Control Systems Utilizing Calibrated Test Equipment & Spectrum Analyzers Endorsd AMA RCMA Sticker Station #105 Futaba Airtronics JR Ace HiTec Tower Cirrus World Engines & WE USE GENUINE FACTORY REPLACEMENT PARTS Complete 1991 Narrow Banding & Upgrades RCD / HITEC R/C DEALER FCC Licensed Speed Control Repairs Quality Service Fast Turn Around Shipping & Insurance ExtraUPS Mail Visit home page http//wwwdnjelectronicscom Email david@dnjelectronicscom jayne@dnjelectronics AMA #256123ARRLWBSYSQ LEE 5IJfl RDHLE stesundtie operate 30 trots prop REUABLiTYqualify components SENSITIVEgoodinsunny&cloudydays VERSATIE2/3 blade switch LOW UPKEEPXv batety Included STABLEcrystal oscillator cotlfrol FASTltttOt rpm props & fans 150tOO rpm turboes ACCURATEt0005% -ttC 7tC RESOLUllONitO rpm readeut 2[ftrpmnowavaiable USEABLEbage LCD & steady readings easy carb adjustnent Call lax wnfe infomrafiorr pnoes NC ELECTRONICS 2 WHITES LANE WOODSTOCK NY 12408 TEL t144794549 FAX 014-6704842 winning JG Once air common strategy shadow aircraft below attempt last down flaw strategy cant fly own airplane well watching other aircraft own dog decisive just tend follow herd way ground Better pilots blaze own trails incur some risk doing instance launch go running downwind educated guess vulnerable cheesy upwind thermals some other fliers may find find yourself situation such would need rapidly land relaunch save much round possible JG Decision-making critical scenario important remember competing against other pilots also yourself since would need have significant chance beating current effort before relaunching Once committed relaunch possible speed essential remain competitive Josh told thing regret trophy first place awarded went up alone receive should have received because consistently superb teamwork definitely would have won such wide margin probably would have won Josh has made great deal information available prospective F3J fliers WWW site http/wwwpinnnet/ljglaab/lgmainht ml shipping TURNBUCKLES 1/8-1/3 SPOKED WHEELS P-l0 SCALE GUNS 1/6-1/3Brandenburg C-i AiIzcajt&Ifl IS PROUD TO INTRODUCE new line large scale RC kits Available 1/61/4 & 1/3 scales kits delivered conaplete including hardware guns real spoked wheels fully detailed cockpits replica engines Illustrated color plans ammnbly manuals Order kits phone 602 314-9937 fax 602 314-3409 V/MC Order new catalog send $5 CK MO Arizona Model Aircrafters 9050 East Gray rd 27 Scottsdale AZ 85260& five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 IBC-l Fits FUTABA S28/S 128 S38/S 138 S48/St48 Servos set 4$2595 tRC2As above set 1$695 -3Fits AIRTRONICS 94102 Servos set 4$2595 -4As above set 1$695 mnnc-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5l Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only calitornia Residents Add 775% Sales Tax 845-8978 Orders Only VISA MASTERCARD Accepted 1120 Wrigley Way Milpitas California 95035 Voice/Fax 408 946-4751 408 WINGS-S 1 diCTS LOOK no further fully molded sailplane needs RnR offer selection high performance sailplanes will address specific requirementa F3BThermal Duration Slope Cross Country Mark Allen designed World Championship F3B EAGLE now being produced RnR its new lower price RnR sailplane enioys design construction enhancements 1997 RnRs composite molded technology provides tinique blend strength weight optimization Noticeable results found through increased durability torsional stability stiffness incorporated wing fuselage tail section also offer selection parts joiner systems scratch builders Out catch latest visualsspecificationsand competitive pricing ofRnRs sailplanes contact RnR RnR skys limit. July 1997 91 224 MissIon Yorba Linda CA
Edition: Model Aviation - 1997/07
Page Numbers: 86, 88, 89, 90, 91
RADIO CONTROL SOARING F3J HAND TOW SOARING can thought British Import first saw F3J 1984 World Soaring Jamboree Pasco Washington teams England Canada US F3J international event often flown United Kingdom Europe now gradually entering American soaring scene Rich Burnowski pointed out handtowing entirely new noting 1978 before F3B multitask launched hand-tow instead winches Terry Edmonds mentioned hand-towing entirely accurate nickname event properly called Thermal Duration Gliders FAI rules Its interesting promising event deserves descriptive name saw F3J flown 1995 1996 Nats became convinced has great potential new type club regional competition F3J requires teamwork strategy usual Thermal Duration events yet requires less equipment better-known F3B event Winches needed because sailplanes launched human power Sighting devices needed F3B speed distance tasks Simpler airplanes F3B can flown acute competition still results because man-on-man format team strategy involved two additional reasons F3J generates interest Thermal Duration contests Rounds frequently begin mass launch rounds end mass landingexciting participants spectators Starting 1998 F3J will flown World Championship event alternating years F3B US team selection will held year most-current information 1997 US team selection process 1998 World Championships contact US team selection committee chair Terry Edmonds E-mail tedmonds@icaenuiowaedu 319 6442822 evenings An F3J team consists pilot tow person two timer/spotters airplanes Ive seen light six-servo models about 120-140-inch wingspan Landing skegs allowed event consists thermal duration task precision spot landing Competition windows ten minutes long 15 minutes flyoff rounds five-minute preparation time Strategy comes play quickly lift marginal good lift appears present everyone generally launches beginning round lift marginal pilots tend wait see what will happen pucker factor increases near end round because landing points lost aircraft still air window closes competitive round usually ends exciting mass landing Since relaunches allowed strategy enters picture considerations initial launch time finding lift deciding relaunch 86 Model Aviation e members winning F3J team 1996 NatsL-R flightilne 1996 NatsL-R spotter Tom Keisling pilot pilot Josh Glaab spotter John Hauf tow man Hans Weiderker Josh Glaab WACO Millennium spotter John Hauf L-R Jim Deck Indiana Bob Howard Wisconsin Robert Cavazos California examine F3J hand-tow pulley F3J tow men job 1996 Nats BJ Weisman summarized F3J experience Its lot fun Thermal Duration because theres strategy involved Theres action because theres possibility relight [relaunch] man-on-man format weeds out good bad pilots negative youve got have guys F3J winners 1996 Nats band hardy souls Eastern Soaring League pilot Josh Glaab tow man Hans Weiderkehr timer/spotters John Hauf Thomas Kiesling end first day F3J competition ESL team barely made last place list finalists end flyoffs next morning easterners delivered startling comefrom-behind victory chance discuss F3J experiences two ESL team asked what advice theyd give new event What makes F3J engaging Josh Glaab attraction F3J teamwork complex strategy highly dynamic environment typical event Much thought needed fly F3J typical thermal-duration events since possibilities such time launch decision relaunch Thomas Kiesling Strategy Team personnel selection considerations 88 Model Aviation Weiderker other tow men lay out launch lines Final-round F3J mass launch 1996 Nats Munciefinal round F3J competition 1996 Nats TK Tow persona good runner lots mass Bulk good 200-pound person can run fairly well usually better fast 120-pound person Timera positive person can read air well knows flying style timer needs able tell pilot usable informationlike distance thermals entry points thermals strength thermals Pilotget good pilot arent yourself Sailplane selection considerations JG great things about F3J ordinary thermal duration competition plane will well F3J competition has advantage requiring specialized sailplanes built flown F3J events unlike F3B However good F3J aircraft have strong structures withstand vigorous high-speed launches Consideration has given matching aircraft tow person large 11-foot-span sailplane may overpower some tow people may lift ground short distances Smaller aircraft such threemeter-span airplanes two-meter may provide better match aircraft needs good thermaler able well light lift lower altitudes big differences between F3J standard thermal events average launch heights lowertypically 300 350 feet TK prefer sticking design getting know well opposed learning two models such floater F3B model Most Thermal Duration models will work however prefer slightly larger models typicalspans 125-140 inches Im leaning toward lifty airfoils such 5D7037 E387 later airfoils sound cooler fun go fast can work thermal Light super-strong structures necessary F3Jespecially youre sticking design Being able go low eight ounces per square foot nice superlight conditions right airfoil other end being able ballast up 12 ounces per square foot needed windy conditions structure needs strong enough withstand aggressive launches gusty conditions Remember dont have control tow person like winch Training preparation TK Fly much can preferably fliers better Fly team Running probably best exercise tow person JG Practice sessions very useful especially some team members have July1997 89 WEST I ~VI BRANO EPOXY Custom blend event batch meet specific application Resin Four Hardeners Seven Fillers THE SOLID SOLUTION Send $5 Product Guide Technical Manual CST Price List Sale Announcement IIIII Eu Composite Structures Technology P0 Box 642 Dept JM Tehachapi CA 93581 Order Desk 400-338-1278 Technical Information 1-806-822-4162 GMS2000 proud announce arrival Crown Jewel lineup top quality engines GMS2000 120 2-stroke Light weight attention detail typical GMS engineering 2needle carburetor contribute continued success line already established unsurpassed GMS2000 40 47 2 year warranty anct excellent service support GMS2000 engines meant used seen isc International RO Box 40116 Indianapolis Indiana 46280 1-317-844-1978 http//wwwiquestnetIisc WATER JET CUT CARBON FIBER STRIPS Latest Techualagy No Sanding Necessary Smooth Edges Great Spar Caps Predilee Cut Strips Foam Whug Reinforcemeat haduble Surfaces Lowest Prkes Cli 10Cr Thick 1/4s4f 2/pkgl $315 3/Fs4r 2 pkgl $350 CL2 lOl4ihickl 11fx48 Vplcgl $400 3/Fs4F 12 plrgl $475 CL 02T Thick 1/4s4f Vpkgl $500 3/ts48 2 pkgl S675 CL4 03r ihick lIfs4f 12/pkgl $600 3/ts48 2 pkgl S9tt Send SASE information additional sizes products Add $500 shipping handlinq Calif residents add 825% tax Overseas orders add t5% OrderCOD MCI VISA send check money order Aerospace CompositeProducts tttTtE Dl SAIl LEAJIDRO CA 94577 1 352-2922 FAX 5101 352-2021 North west Model Distribution 21527 NE 227th Battle Ground wA 98604 1-360-687-9452 never competed F3J Some team positions cannot learned meaningful simulated competition such timer/lift spotter Go small F3J meets before going larger ones Practice F3J meets can arranged fellow club members can beneficial two three fliers will participate Also good practice sessions involve different scenarios such no wind high wind facet good practice session rapid-relaunch series pilot repetitively takes full launch dives ground quick relight tests equipment ability team coordinate launches during non-ideal conditions course can short periods before tow person quits Contest strategy TK Launch high can reason needing strong model Have flight plan timer agree Dont fly sink plan doesnt work abort ASAPjust fly direction fast can flight plan really doesnt workif people out-of-range schooling youthen relaunch join JG strategy delay initial launch use other aircraft read air risky because competitor launches competition window opening maxes round will win round However 700 score will win contest delayed launch could beneficial since higher percent chance earn seven- eight-minute flight other aircraft marking conditions Another time use delayed launch lot fliers round producing large chance collision launch least some large evasive maneuvers Either will seriously detract launch height compromise chances 90 Model Aviation n rnM 2000- 12000 Sheft 5ze 3/8n24 Wegh5 26 4oz D 330-877-1445 f Service & Repairs Most Radio Control Systems Utilizing Calibrated Test Equipment & Spectrum Analyzers Endorsd AMA RCMA Sticker Station #105 Futaba Airtronics JR Ace HiTec Tower Cirrus World Engines & WE USE GENUINE FACTORY REPLACEMENT PARTS Complete 1991 Narrow Banding & Upgrades RCD / HITEC R/C DEALER FCC Licensed Speed Control Repairs Quality Service Fast Turn Around Shipping & Insurance ExtraUPS Mail Visit home page http//wwwdnjelectronicscom Email david@dnjelectronicscom jayne@dnjelectronics AMA #256123ARRLWBSYSQ LEE 5IJfl RDHLE stesundtie operate 30 trots prop REUABLiTYqualify components SENSITIVEgoodinsunny&cloudydays VERSATIE2/3 blade switch LOW UPKEEPXv batety Included STABLEcrystal oscillator cotlfrol FASTltttOt rpm props & fans 150tOO rpm turboes ACCURATEt0005% -ttC 7tC RESOLUllONitO rpm readeut 2[ftrpmnowavaiable USEABLEbage LCD & steady readings easy carb adjustnent Call lax wnfe infomrafiorr pnoes NC ELECTRONICS 2 WHITES LANE WOODSTOCK NY 12408 TEL t144794549 FAX 014-6704842 winning JG Once air common strategy shadow aircraft below attempt last down flaw strategy cant fly own airplane well watching other aircraft own dog decisive just tend follow herd way ground Better pilots blaze own trails incur some risk doing instance launch go running downwind educated guess vulnerable cheesy upwind thermals some other fliers may find find yourself situation such would need rapidly land relaunch save much round possible JG Decision-making critical scenario important remember competing against other pilots also yourself since would need have significant chance beating current effort before relaunching Once committed relaunch possible speed essential remain competitive Josh told thing regret trophy first place awarded went up alone receive should have received because consistently superb teamwork definitely would have won such wide margin probably would have won Josh has made great deal information available prospective F3J fliers WWW site http/wwwpinnnet/ljglaab/lgmainht ml shipping TURNBUCKLES 1/8-1/3 SPOKED WHEELS P-l0 SCALE GUNS 1/6-1/3Brandenburg C-i AiIzcajt&Ifl IS PROUD TO INTRODUCE new line large scale RC kits Available 1/61/4 & 1/3 scales kits delivered conaplete including hardware guns real spoked wheels fully detailed cockpits replica engines Illustrated color plans ammnbly manuals Order kits phone 602 314-9937 fax 602 314-3409 V/MC Order new catalog send $5 CK MO Arizona Model Aircrafters 9050 East Gray rd 27 Scottsdale AZ 85260& five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 IBC-l Fits FUTABA S28/S 128 S38/S 138 S48/St48 Servos set 4$2595 tRC2As above set 1$695 -3Fits AIRTRONICS 94102 Servos set 4$2595 -4As above set 1$695 mnnc-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5l Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only calitornia Residents Add 775% Sales Tax 845-8978 Orders Only VISA MASTERCARD Accepted 1120 Wrigley Way Milpitas California 95035 Voice/Fax 408 946-4751 408 WINGS-S 1 diCTS LOOK no further fully molded sailplane needs RnR offer selection high performance sailplanes will address specific requirementa F3BThermal Duration Slope Cross Country Mark Allen designed World Championship F3B EAGLE now being produced RnR its new lower price RnR sailplane enioys design construction enhancements 1997 RnRs composite molded technology provides tinique blend strength weight optimization Noticeable results found through increased durability torsional stability stiffness incorporated wing fuselage tail section also offer selection parts joiner systems scratch builders Out catch latest visualsspecificationsand competitive pricing ofRnRs sailplanes contact RnR RnR skys limit. July 1997 91 224 MissIon Yorba Linda CA
Edition: Model Aviation - 1997/07
Page Numbers: 86, 88, 89, 90, 91
RADIO CONTROL SOARING F3J HAND TOW SOARING can thought British Import first saw F3J 1984 World Soaring Jamboree Pasco Washington teams England Canada US F3J international event often flown United Kingdom Europe now gradually entering American soaring scene Rich Burnowski pointed out handtowing entirely new noting 1978 before F3B multitask launched hand-tow instead winches Terry Edmonds mentioned hand-towing entirely accurate nickname event properly called Thermal Duration Gliders FAI rules Its interesting promising event deserves descriptive name saw F3J flown 1995 1996 Nats became convinced has great potential new type club regional competition F3J requires teamwork strategy usual Thermal Duration events yet requires less equipment better-known F3B event Winches needed because sailplanes launched human power Sighting devices needed F3B speed distance tasks Simpler airplanes F3B can flown acute competition still results because man-on-man format team strategy involved two additional reasons F3J generates interest Thermal Duration contests Rounds frequently begin mass launch rounds end mass landingexciting participants spectators Starting 1998 F3J will flown World Championship event alternating years F3B US team selection will held year most-current information 1997 US team selection process 1998 World Championships contact US team selection committee chair Terry Edmonds E-mail tedmonds@icaenuiowaedu 319 6442822 evenings An F3J team consists pilot tow person two timer/spotters airplanes Ive seen light six-servo models about 120-140-inch wingspan Landing skegs allowed event consists thermal duration task precision spot landing Competition windows ten minutes long 15 minutes flyoff rounds five-minute preparation time Strategy comes play quickly lift marginal good lift appears present everyone generally launches beginning round lift marginal pilots tend wait see what will happen pucker factor increases near end round because landing points lost aircraft still air window closes competitive round usually ends exciting mass landing Since relaunches allowed strategy enters picture considerations initial launch time finding lift deciding relaunch 86 Model Aviation e members winning F3J team 1996 NatsL-R flightilne 1996 NatsL-R spotter Tom Keisling pilot pilot Josh Glaab spotter John Hauf tow man Hans Weiderker Josh Glaab WACO Millennium spotter John Hauf L-R Jim Deck Indiana Bob Howard Wisconsin Robert Cavazos California examine F3J hand-tow pulley F3J tow men job 1996 Nats BJ Weisman summarized F3J experience Its lot fun Thermal Duration because theres strategy involved Theres action because theres possibility relight [relaunch] man-on-man format weeds out good bad pilots negative youve got have guys F3J winners 1996 Nats band hardy souls Eastern Soaring League pilot Josh Glaab tow man Hans Weiderkehr timer/spotters John Hauf Thomas Kiesling end first day F3J competition ESL team barely made last place list finalists end flyoffs next morning easterners delivered startling comefrom-behind victory chance discuss F3J experiences two ESL team asked what advice theyd give new event What makes F3J engaging Josh Glaab attraction F3J teamwork complex strategy highly dynamic environment typical event Much thought needed fly F3J typical thermal-duration events since possibilities such time launch decision relaunch Thomas Kiesling Strategy Team personnel selection considerations 88 Model Aviation Weiderker other tow men lay out launch lines Final-round F3J mass launch 1996 Nats Munciefinal round F3J competition 1996 Nats TK Tow persona good runner lots mass Bulk good 200-pound person can run fairly well usually better fast 120-pound person Timera positive person can read air well knows flying style timer needs able tell pilot usable informationlike distance thermals entry points thermals strength thermals Pilotget good pilot arent yourself Sailplane selection considerations JG great things about F3J ordinary thermal duration competition plane will well F3J competition has advantage requiring specialized sailplanes built flown F3J events unlike F3B However good F3J aircraft have strong structures withstand vigorous high-speed launches Consideration has given matching aircraft tow person large 11-foot-span sailplane may overpower some tow people may lift ground short distances Smaller aircraft such threemeter-span airplanes two-meter may provide better match aircraft needs good thermaler able well light lift lower altitudes big differences between F3J standard thermal events average launch heights lowertypically 300 350 feet TK prefer sticking design getting know well opposed learning two models such floater F3B model Most Thermal Duration models will work however prefer slightly larger models typicalspans 125-140 inches Im leaning toward lifty airfoils such 5D7037 E387 later airfoils sound cooler fun go fast can work thermal Light super-strong structures necessary F3Jespecially youre sticking design Being able go low eight ounces per square foot nice superlight conditions right airfoil other end being able ballast up 12 ounces per square foot needed windy conditions structure needs strong enough withstand aggressive launches gusty conditions Remember dont have control tow person like winch Training preparation TK Fly much can preferably fliers better Fly team Running probably best exercise tow person JG Practice sessions very useful especially some team members have July1997 89 WEST I ~VI BRANO EPOXY Custom blend event batch meet specific application Resin Four Hardeners Seven Fillers THE SOLID SOLUTION Send $5 Product Guide Technical Manual CST Price List Sale Announcement IIIII Eu Composite Structures Technology P0 Box 642 Dept JM Tehachapi CA 93581 Order Desk 400-338-1278 Technical Information 1-806-822-4162 GMS2000 proud announce arrival Crown Jewel lineup top quality engines GMS2000 120 2-stroke Light weight attention detail typical GMS engineering 2needle carburetor contribute continued success line already established unsurpassed GMS2000 40 47 2 year warranty anct excellent service support GMS2000 engines meant used seen isc International RO Box 40116 Indianapolis Indiana 46280 1-317-844-1978 http//wwwiquestnetIisc WATER JET CUT CARBON FIBER STRIPS Latest Techualagy No Sanding Necessary Smooth Edges Great Spar Caps Predilee Cut Strips Foam Whug Reinforcemeat haduble Surfaces Lowest Prkes Cli 10Cr Thick 1/4s4f 2/pkgl $315 3/Fs4r 2 pkgl $350 CL2 lOl4ihickl 11fx48 Vplcgl $400 3/Fs4F 12 plrgl $475 CL 02T Thick 1/4s4f Vpkgl $500 3/ts48 2 pkgl S675 CL4 03r ihick lIfs4f 12/pkgl $600 3/ts48 2 pkgl S9tt Send SASE information additional sizes products Add $500 shipping handlinq Calif residents add 825% tax Overseas orders add t5% OrderCOD MCI VISA send check money order Aerospace CompositeProducts tttTtE Dl SAIl LEAJIDRO CA 94577 1 352-2922 FAX 5101 352-2021 North west Model Distribution 21527 NE 227th Battle Ground wA 98604 1-360-687-9452 never competed F3J Some team positions cannot learned meaningful simulated competition such timer/lift spotter Go small F3J meets before going larger ones Practice F3J meets can arranged fellow club members can beneficial two three fliers will participate Also good practice sessions involve different scenarios such no wind high wind facet good practice session rapid-relaunch series pilot repetitively takes full launch dives ground quick relight tests equipment ability team coordinate launches during non-ideal conditions course can short periods before tow person quits Contest strategy TK Launch high can reason needing strong model Have flight plan timer agree Dont fly sink plan doesnt work abort ASAPjust fly direction fast can flight plan really doesnt workif people out-of-range schooling youthen relaunch join JG strategy delay initial launch use other aircraft read air risky because competitor launches competition window opening maxes round will win round However 700 score will win contest delayed launch could beneficial since higher percent chance earn seven- eight-minute flight other aircraft marking conditions Another time use delayed launch lot fliers round producing large chance collision launch least some large evasive maneuvers Either will seriously detract launch height compromise chances 90 Model Aviation n rnM 2000- 12000 Sheft 5ze 3/8n24 Wegh5 26 4oz D 330-877-1445 f Service & Repairs Most Radio Control Systems Utilizing Calibrated Test Equipment & Spectrum Analyzers Endorsd AMA RCMA Sticker Station #105 Futaba Airtronics JR Ace HiTec Tower Cirrus World Engines & WE USE GENUINE FACTORY REPLACEMENT PARTS Complete 1991 Narrow Banding & Upgrades RCD / HITEC R/C DEALER FCC Licensed Speed Control Repairs Quality Service Fast Turn Around Shipping & Insurance ExtraUPS Mail Visit home page http//wwwdnjelectronicscom Email david@dnjelectronicscom jayne@dnjelectronics AMA #256123ARRLWBSYSQ LEE 5IJfl RDHLE stesundtie operate 30 trots prop REUABLiTYqualify components SENSITIVEgoodinsunny&cloudydays VERSATIE2/3 blade switch LOW UPKEEPXv batety Included STABLEcrystal oscillator cotlfrol FASTltttOt rpm props & fans 150tOO rpm turboes ACCURATEt0005% -ttC 7tC RESOLUllONitO rpm readeut 2[ftrpmnowavaiable USEABLEbage LCD & steady readings easy carb adjustnent Call lax wnfe infomrafiorr pnoes NC ELECTRONICS 2 WHITES LANE WOODSTOCK NY 12408 TEL t144794549 FAX 014-6704842 winning JG Once air common strategy shadow aircraft below attempt last down flaw strategy cant fly own airplane well watching other aircraft own dog decisive just tend follow herd way ground Better pilots blaze own trails incur some risk doing instance launch go running downwind educated guess vulnerable cheesy upwind thermals some other fliers may find find yourself situation such would need rapidly land relaunch save much round possible JG Decision-making critical scenario important remember competing against other pilots also yourself since would need have significant chance beating current effort before relaunching Once committed relaunch possible speed essential remain competitive Josh told thing regret trophy first place awarded went up alone receive should have received because consistently superb teamwork definitely would have won such wide margin probably would have won Josh has made great deal information available prospective F3J fliers WWW site http/wwwpinnnet/ljglaab/lgmainht ml shipping TURNBUCKLES 1/8-1/3 SPOKED WHEELS P-l0 SCALE GUNS 1/6-1/3Brandenburg C-i AiIzcajt&Ifl IS PROUD TO INTRODUCE new line large scale RC kits Available 1/61/4 & 1/3 scales kits delivered conaplete including hardware guns real spoked wheels fully detailed cockpits replica engines Illustrated color plans ammnbly manuals Order kits phone 602 314-9937 fax 602 314-3409 V/MC Order new catalog send $5 CK MO Arizona Model Aircrafters 9050 East Gray rd 27 Scottsdale AZ 85260& five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 IBC-l Fits FUTABA S28/S 128 S38/S 138 S48/St48 Servos set 4$2595 tRC2As above set 1$695 -3Fits AIRTRONICS 94102 Servos set 4$2595 -4As above set 1$695 mnnc-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5l Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only calitornia Residents Add 775% Sales Tax 845-8978 Orders Only VISA MASTERCARD Accepted 1120 Wrigley Way Milpitas California 95035 Voice/Fax 408 946-4751 408 WINGS-S 1 diCTS LOOK no further fully molded sailplane needs RnR offer selection high performance sailplanes will address specific requirementa F3BThermal Duration Slope Cross Country Mark Allen designed World Championship F3B EAGLE now being produced RnR its new lower price RnR sailplane enioys design construction enhancements 1997 RnRs composite molded technology provides tinique blend strength weight optimization Noticeable results found through increased durability torsional stability stiffness incorporated wing fuselage tail section also offer selection parts joiner systems scratch builders Out catch latest visualsspecificationsand competitive pricing ofRnRs sailplanes contact RnR RnR skys limit. July 1997 91 224 MissIon Yorba Linda CA
Edition: Model Aviation - 1997/07
Page Numbers: 86, 88, 89, 90, 91
RADIO CONTROL SOARING F3J HAND TOW SOARING can thought British Import first saw F3J 1984 World Soaring Jamboree Pasco Washington teams England Canada US F3J international event often flown United Kingdom Europe now gradually entering American soaring scene Rich Burnowski pointed out handtowing entirely new noting 1978 before F3B multitask launched hand-tow instead winches Terry Edmonds mentioned hand-towing entirely accurate nickname event properly called Thermal Duration Gliders FAI rules Its interesting promising event deserves descriptive name saw F3J flown 1995 1996 Nats became convinced has great potential new type club regional competition F3J requires teamwork strategy usual Thermal Duration events yet requires less equipment better-known F3B event Winches needed because sailplanes launched human power Sighting devices needed F3B speed distance tasks Simpler airplanes F3B can flown acute competition still results because man-on-man format team strategy involved two additional reasons F3J generates interest Thermal Duration contests Rounds frequently begin mass launch rounds end mass landingexciting participants spectators Starting 1998 F3J will flown World Championship event alternating years F3B US team selection will held year most-current information 1997 US team selection process 1998 World Championships contact US team selection committee chair Terry Edmonds E-mail tedmonds@icaenuiowaedu 319 6442822 evenings An F3J team consists pilot tow person two timer/spotters airplanes Ive seen light six-servo models about 120-140-inch wingspan Landing skegs allowed event consists thermal duration task precision spot landing Competition windows ten minutes long 15 minutes flyoff rounds five-minute preparation time Strategy comes play quickly lift marginal good lift appears present everyone generally launches beginning round lift marginal pilots tend wait see what will happen pucker factor increases near end round because landing points lost aircraft still air window closes competitive round usually ends exciting mass landing Since relaunches allowed strategy enters picture considerations initial launch time finding lift deciding relaunch 86 Model Aviation e members winning F3J team 1996 NatsL-R flightilne 1996 NatsL-R spotter Tom Keisling pilot pilot Josh Glaab spotter John Hauf tow man Hans Weiderker Josh Glaab WACO Millennium spotter John Hauf L-R Jim Deck Indiana Bob Howard Wisconsin Robert Cavazos California examine F3J hand-tow pulley F3J tow men job 1996 Nats BJ Weisman summarized F3J experience Its lot fun Thermal Duration because theres strategy involved Theres action because theres possibility relight [relaunch] man-on-man format weeds out good bad pilots negative youve got have guys F3J winners 1996 Nats band hardy souls Eastern Soaring League pilot Josh Glaab tow man Hans Weiderkehr timer/spotters John Hauf Thomas Kiesling end first day F3J competition ESL team barely made last place list finalists end flyoffs next morning easterners delivered startling comefrom-behind victory chance discuss F3J experiences two ESL team asked what advice theyd give new event What makes F3J engaging Josh Glaab attraction F3J teamwork complex strategy highly dynamic environment typical event Much thought needed fly F3J typical thermal-duration events since possibilities such time launch decision relaunch Thomas Kiesling Strategy Team personnel selection considerations 88 Model Aviation Weiderker other tow men lay out launch lines Final-round F3J mass launch 1996 Nats Munciefinal round F3J competition 1996 Nats TK Tow persona good runner lots mass Bulk good 200-pound person can run fairly well usually better fast 120-pound person Timera positive person can read air well knows flying style timer needs able tell pilot usable informationlike distance thermals entry points thermals strength thermals Pilotget good pilot arent yourself Sailplane selection considerations JG great things about F3J ordinary thermal duration competition plane will well F3J competition has advantage requiring specialized sailplanes built flown F3J events unlike F3B However good F3J aircraft have strong structures withstand vigorous high-speed launches Consideration has given matching aircraft tow person large 11-foot-span sailplane may overpower some tow people may lift ground short distances Smaller aircraft such threemeter-span airplanes two-meter may provide better match aircraft needs good thermaler able well light lift lower altitudes big differences between F3J standard thermal events average launch heights lowertypically 300 350 feet TK prefer sticking design getting know well opposed learning two models such floater F3B model Most Thermal Duration models will work however prefer slightly larger models typicalspans 125-140 inches Im leaning toward lifty airfoils such 5D7037 E387 later airfoils sound cooler fun go fast can work thermal Light super-strong structures necessary F3Jespecially youre sticking design Being able go low eight ounces per square foot nice superlight conditions right airfoil other end being able ballast up 12 ounces per square foot needed windy conditions structure needs strong enough withstand aggressive launches gusty conditions Remember dont have control tow person like winch Training preparation TK Fly much can preferably fliers better Fly team Running probably best exercise tow person JG Practice sessions very useful especially some team members have July1997 89 WEST I ~VI BRANO EPOXY Custom blend event batch meet specific application Resin Four Hardeners Seven Fillers THE SOLID SOLUTION Send $5 Product Guide Technical Manual CST Price List Sale Announcement IIIII Eu Composite Structures Technology P0 Box 642 Dept JM Tehachapi CA 93581 Order Desk 400-338-1278 Technical Information 1-806-822-4162 GMS2000 proud announce arrival Crown Jewel lineup top quality engines GMS2000 120 2-stroke Light weight attention detail typical GMS engineering 2needle carburetor contribute continued success line already established unsurpassed GMS2000 40 47 2 year warranty anct excellent service support GMS2000 engines meant used seen isc International RO Box 40116 Indianapolis Indiana 46280 1-317-844-1978 http//wwwiquestnetIisc WATER JET CUT CARBON FIBER STRIPS Latest Techualagy No Sanding Necessary Smooth Edges Great Spar Caps Predilee Cut Strips Foam Whug Reinforcemeat haduble Surfaces Lowest Prkes Cli 10Cr Thick 1/4s4f 2/pkgl $315 3/Fs4r 2 pkgl $350 CL2 lOl4ihickl 11fx48 Vplcgl $400 3/Fs4F 12 plrgl $475 CL 02T Thick 1/4s4f Vpkgl $500 3/ts48 2 pkgl S675 CL4 03r ihick lIfs4f 12/pkgl $600 3/ts48 2 pkgl S9tt Send SASE information additional sizes products Add $500 shipping handlinq Calif residents add 825% tax Overseas orders add t5% OrderCOD MCI VISA send check money order Aerospace CompositeProducts tttTtE Dl SAIl LEAJIDRO CA 94577 1 352-2922 FAX 5101 352-2021 North west Model Distribution 21527 NE 227th Battle Ground wA 98604 1-360-687-9452 never competed F3J Some team positions cannot learned meaningful simulated competition such timer/lift spotter Go small F3J meets before going larger ones Practice F3J meets can arranged fellow club members can beneficial two three fliers will participate Also good practice sessions involve different scenarios such no wind high wind facet good practice session rapid-relaunch series pilot repetitively takes full launch dives ground quick relight tests equipment ability team coordinate launches during non-ideal conditions course can short periods before tow person quits Contest strategy TK Launch high can reason needing strong model Have flight plan timer agree Dont fly sink plan doesnt work abort ASAPjust fly direction fast can flight plan really doesnt workif people out-of-range schooling youthen relaunch join JG strategy delay initial launch use other aircraft read air risky because competitor launches competition window opening maxes round will win round However 700 score will win contest delayed launch could beneficial since higher percent chance earn seven- eight-minute flight other aircraft marking conditions Another time use delayed launch lot fliers round producing large chance collision launch least some large evasive maneuvers Either will seriously detract launch height compromise chances 90 Model Aviation n rnM 2000- 12000 Sheft 5ze 3/8n24 Wegh5 26 4oz D 330-877-1445 f Service & Repairs Most Radio Control Systems Utilizing Calibrated Test Equipment & Spectrum Analyzers Endorsd AMA RCMA Sticker Station #105 Futaba Airtronics JR Ace HiTec Tower Cirrus World Engines & WE USE GENUINE FACTORY REPLACEMENT PARTS Complete 1991 Narrow Banding & Upgrades RCD / HITEC R/C DEALER FCC Licensed Speed Control Repairs Quality Service Fast Turn Around Shipping & Insurance ExtraUPS Mail Visit home page http//wwwdnjelectronicscom Email david@dnjelectronicscom jayne@dnjelectronics AMA #256123ARRLWBSYSQ LEE 5IJfl RDHLE stesundtie operate 30 trots prop REUABLiTYqualify components SENSITIVEgoodinsunny&cloudydays VERSATIE2/3 blade switch LOW UPKEEPXv batety Included STABLEcrystal oscillator cotlfrol FASTltttOt rpm props & fans 150tOO rpm turboes ACCURATEt0005% -ttC 7tC RESOLUllONitO rpm readeut 2[ftrpmnowavaiable USEABLEbage LCD & steady readings easy carb adjustnent Call lax wnfe infomrafiorr pnoes NC ELECTRONICS 2 WHITES LANE WOODSTOCK NY 12408 TEL t144794549 FAX 014-6704842 winning JG Once air common strategy shadow aircraft below attempt last down flaw strategy cant fly own airplane well watching other aircraft own dog decisive just tend follow herd way ground Better pilots blaze own trails incur some risk doing instance launch go running downwind educated guess vulnerable cheesy upwind thermals some other fliers may find find yourself situation such would need rapidly land relaunch save much round possible JG Decision-making critical scenario important remember competing against other pilots also yourself since would need have significant chance beating current effort before relaunching Once committed relaunch possible speed essential remain competitive Josh told thing regret trophy first place awarded went up alone receive should have received because consistently superb teamwork definitely would have won such wide margin probably would have won Josh has made great deal information available prospective F3J fliers WWW site http/wwwpinnnet/ljglaab/lgmainht ml shipping TURNBUCKLES 1/8-1/3 SPOKED WHEELS P-l0 SCALE GUNS 1/6-1/3Brandenburg C-i AiIzcajt&Ifl IS PROUD TO INTRODUCE new line large scale RC kits Available 1/61/4 & 1/3 scales kits delivered conaplete including hardware guns real spoked wheels fully detailed cockpits replica engines Illustrated color plans ammnbly manuals Order kits phone 602 314-9937 fax 602 314-3409 V/MC Order new catalog send $5 CK MO Arizona Model Aircrafters 9050 East Gray rd 27 Scottsdale AZ 85260& five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 IBC-l Fits FUTABA S28/S 128 S38/S 138 S48/St48 Servos set 4$2595 tRC2As above set 1$695 -3Fits AIRTRONICS 94102 Servos set 4$2595 -4As above set 1$695 mnnc-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5l Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only calitornia Residents Add 775% Sales Tax 845-8978 Orders Only VISA MASTERCARD Accepted 1120 Wrigley Way Milpitas California 95035 Voice/Fax 408 946-4751 408 WINGS-S 1 diCTS LOOK no further fully molded sailplane needs RnR offer selection high performance sailplanes will address specific requirementa F3BThermal Duration Slope Cross Country Mark Allen designed World Championship F3B EAGLE now being produced RnR its new lower price RnR sailplane enioys design construction enhancements 1997 RnRs composite molded technology provides tinique blend strength weight optimization Noticeable results found through increased durability torsional stability stiffness incorporated wing fuselage tail section also offer selection parts joiner systems scratch builders Out catch latest visualsspecificationsand competitive pricing ofRnRs sailplanes contact RnR RnR skys limit. July 1997 91 224 MissIon Yorba Linda CA