WELCOME back month going take look Kyoshos latest offering new Concept 30 SX now everyone familiar Kyoshos Concept 30 think its fair say never before has model helicopter widely ac cepted successfully marketed Kyoshos itial offering coast coast fields across America Concepts flying flying well Since Concept 30 Kyoshos first heli copter surprising modelers could find few things wanted see done differ ently As result have great after-market parts made available Conceptmore fact other machine can remember Accepting fact Concept 30 very successful great-flying easy build readily available would Kyosho bring forth SX obvious answer SX refined con cept Taking experience gained over last two years aiming slightly higher caliber heli pilot Kyosho engineers have added Concepts naturally good flight characteristics have rewarded us machine opti mized aerobatics Thinking about thats such bad idea Thousands modelers have learned fly Concept have im proved natural theyll want make step up Concept 30 SX So what First let say no major aerodynamic changes have made means Concept 30 SX retains Concepts good handling capabilities fear SX still machine novice could learn fly Kyosho has made non-aerodynamic changes SX however start rotor head equipped thrust bearings smoother collective pitch changes blade track ing Metal pivot balls plastic swash plate reduce free play linkages pivot arm has moved 5 mm increased collective pitch range new stainless steel pivot ball has installed steel Hiller lever reduces free play increases flying precision drive gear has brass ring fiber liner equipped two ball bearings alu minum mixing base brass sleeve add strength precision smoothness large stabilizer blades new stabilizer see saw metal pivots hard rubber dampers servo link set ball rods both ends servo pushrods Look new tail link guides colored tracking tape blade tips stiffer tail blades too black tail boom sleek new canopy high-quality decals According Kyosho changes re quested experienced heli pilots No further hop-ups additional items needed Continued page 162 Right side Concept 30 SX canopy oft shows metal bails swashpiate EG C-30 muffler servos have straight pushrod runs bali link connections Pix right shows rotor head general servo layout 52 Model Aviation Radio Confrol Helicopters Larry Jolly 15781 Empire Ln saninster CA 92683 Concept 30 SX flight Good looks has great stability yet its capable aggressive aerobatics new improved hell Kyosho definitely ciass act N Tech Specialties pitch gauge high Tali rotor tail fins Concept 30 SX quality unit works very well hailPusher tall rotor now industry norm copters setting low end hayNote decorative trim er pitch autos use -3 low end Krumpler/Irvine Continued page 157 loops deteriorating plane falling off top battery running down its time pian landing Spins require CG further back whit used initially removal two-ounce speed controller nose can get spin little power just top stall needs blast air across tail get going Stall turns easy Just go power push stick over Snap rolls level flight just easy Feed little Up elevator just see nose start rise pull stick right over full back zips right around actually pauses level flight before going spiral dive pause cue let go stick can make way down length field snapping 10 20 yards stall turn other end repeat comine other way glide moderate remember bi planes draggy better struts Nevertheless find biplane struts mildly offensive usually have Make first few approaches bat tery power left have option going around rumbling generally fly until detect slight drop power cut throttle come just last little bit reserve SCR cells have sharp discharge knee almost like running out fuel whereas SCs give about 30second warning airplane best calm weather steady breeze 1989 KRC Fun Fly quite windy varied constant fine Krumpler gusty flyable much fun best time have far has evening flying wind has dropped THE WIREMASTER TM bessderutcolter extra large handle bends 1/8-1/4 coils S/ 32-3116 music wire Wlre peep eliminated ANTI-KREEP WIRE LOCKTh free catalog also has hardware accessories JOM COMPANY 114 Washfrlgton T Dept Waukegan IL 60095 can shoot touch-and-go after another admiring set ting sun shines through covering put skis winter flying put Goldfire Flying qualities deterior ated slightly because extra drag weight skis nothing major Conclusion What might change sec ond Krumpler might shorten nose bit build straight wings ease ten dency towards nose-heaviness might turn something else air Krumpler has bit Tiger Moth itand little Bucker Jungmann well creative modeler might take few minor changes create nice small Scale Electric last point build Krum pler please send comments photo Martin Irvine 34 Beaver Crescent Kingston Ontario Canada K7M 7C 1 will answer correspondence would appreciate sending stamp RC Helicopters/Jolly Continued page 52 Concept 30 SX complete highperformance package expert fliers Kit Concept 30 SX arrived nicely packaged gold box vividly displaying SXs sleek lines lid slid off parts exposed evident Concept 30 SX pure Kyosho kit features excellent quality obvious thought put part SX shipped standard Concept struction manual two separate addendum sheets pertain specifically SX Kyosho understands multinational necessity clear pictures result manuals feature ex cellent illustrations just enough text take over rough spots standard Concept manual over 30 pages super piece work Anyone can build Concept merely looking pictures matching parts fas teners Concept 30 SX difficult assemble Following instructions letter took under seven hours start finish Youll have no problems Ill expand just briefly few steps feel may lacking text Step 11 Set clutch lining place glue thin CyA add glue first youll tiAWIUKUUKKILANE RAF WAS GLAD TO H4 YE t SPITFIRE RIJTITIA4D TO HAVE T pSIS 00 01501 Add Si 500 hEFIa Usa VISAs MC 015151050 015 COO Polyester HaM Laid Fibealaaa1/aS Soale Fuselage ngspan.50 noVas lete eels aod llardwaeFuse LengTh. 0353 lncttea Paclsages IndudadWeight.12 Lbs Meotrina Cut Foam Adog Cares Fonssr.2oy5OTs 108 Any 125 / Heavy Duty Styiene Clam Canopy1mm Legal / Flbertleas Cowl Fuse H Molded Stringers Easy RuildEsay Fly Esoellent Beginnem Waibjid SoossassIss AesHaWe 55550 reps s sed Fplns trawsa SeataTkea8t5jbs55alieht0tats IR5m5 5 LRta 054 Las 0th /S KIt AeettRhe Wue isa. a WutS leSs 750*5 Pes.ZeyW Ta toe Aan tss Jte Pun 551 a. P5351 P P-a ME-flOsS Nasmyx 1LU3Mesa Ms5oTan8 ml P5133 035331 l-amoaavImn never get lining belongs before sticks itself tableyou get pic ture step 13 main frame assembly call out 2 x 3 x 10mm-long self-tapping screws illustration shows could shorter hold cooling shroud place fact screws too long will bind up clutch bell step 19 tail rotor assembly make sure use plastic-compatible screw cement supplied kit good job tightening pitch ring nut slide bushing assembly could better designed allow positive grip during assembly would help ensure nut will separate bushing dur ing use step 21 dont glue new control rod sup ports place Instead decide go apply -in strip vinyl electrical trim tape boom Rub edges tape down well slide supports position twisting motion Youll find fit snugly removable can also put some tape boom under horizontal stabilizer help snug up step 31 installation canopy should use additional two screws front lower sides canopy keep decals lifting canopy front edge Id like add suggestions just no way intended detract Concept manual excellent build ing aid kit complete Concept yos would literally have try fail keep achieving success What radio Concept SX used Air tronics Vanguard six-channel FM system SGX gyro transmitter features dual rates elevator aileron has idle up setting pitch trim revolution mix throttle hold servo reversing switches todays standards Vanguard rates very basic heli system Unlike PCM 10 1024 hell pilots will able use everything Vanguard-type sys tem Its perfect beginner will per form contest system Novice Scale maybe far Intermediate since can per form upright maneuvers SGX system comes gyro mixer dedicated tail rotor servo features single adjustable gain reversing switch FAt caliber its perfect novice will want set gain up high authority adjust gyro suit taste pro gresses SGX will also find favor fixedwing tail-dragger pilots think its just ticket short-coupled Scale ship gets fe isty takeoff Check out couldnt easier install Vanguard performed admirably glitch think however suitable training SX will capable everything expert will want SX mind switched over Air tronics Spectra 7 PCM radio still pre microprocessor has enough bells whis tles allow competent pilot explore SXs inverted capabilities motivator power used standard 05 32 FSR H coupled Vortexs Eikohgiken C 30 muffler What can say about start idle produce lot powerall good things want heli motor C 30 seems help out power department has added advantage allowing adjust low idle mixture motor once course 162 Model Aviation Rubber ft Ongine Power Free Flight Display Control Line Eleotric Power RIC Airplenee new liluetrated 32 page tabloId size catalog US ft Canade $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadale PA 18446 215 368-0770 ZENOAH SACHS-DOLMAR & QUADRA ENGINES ERCOUPE TOMAHAWK & J-3 KITIEN KITS ZINGER & DYNATHRUST PROPS FUEL TANKS Carbon-Fiber Arrowahafte Ceconite & Glue DGA & MGA PILOTS Send $100 catalog JIM MESSERS QUALITY MODEL PRODUCTS Valley View Dr Box 43 Allegany NY 14706 Does fly bet test SX tracked per fectly first lift off Because used Tech Spe cialties pitch gauge adjusted pitch ramp match instructions SX flew perfectly allowing loops rolls autos first tank initial reaction SX very smooth groovy ship goes exactly put Hovering precise aerobatic moves aggressive positive SX has good disc ri gidity does pitch up buzz thrown around nutshell like As SXs capa bilities think anyone attended Kyosho 30-size meet will attest no heli ma neuver wont Kyosho pilot gave dazz ling aerobatic display stock SX will held back SX guarantee go 30 SX ul timate Concept Well 30-size maybe what take everything learned Concept SX dropped 60 guess ultimate Concept will 60-powered big brother SX Well just have wait see meantime Id like thank folks Great Planes made review possible Theyve done great job supporting heli fliers directly through dealers Tim Lampe has doing super job Con cept 30 Connection newsletter thats sent out warranted Concept owners finally found out what youre supposed cards Anyway send yours will receive Tims newsletter Its full good ideas up dates Concept BCNU RC Soaring/Blakeslee Continued page 57 vator arrow shaft its dowel end plugs Thus elevator arrow shaft provides its own support also supports rudder pushrod eavier two supported /6-in steel pushrods requires no outside support stalls minutes very reliable solid designing fiberglass fuselage shape wanted canopy opening nose ex tremely strong both compression torsion servo tray installation Thus canopy starts quite high fuselage Uti lizes unique curved lip inside canopy open ing provides strength similar what can achieved using solid cone nose no opening canopy carefully fitted molded recess provide smooth airflow As other kits wing saddle por tion fuselage matches wing contour eliminating entire wing-to-fuselage intersec tion its related drag cloth lay-up care fully graduated great strength minimum weight engineered fuselage mainte nance free under consistently hard contest landings has wood wing support molded place Saber fuselage strong pushrod stallation snap fuselage complete ready prime paint Oh yes other kits fuselage wing location designed have flaps fully deployed extend below bottom fuselage simple design necessity has tally eluded recent entries multichannel Glider kit market Other designers must think reasonable require pull up flaps single time before land ing Otherwise youll land flaps instead fuselage causes sorts prob lems may know youve flown half-baked designs wings entire wing can built very quickly using UFO CyA glues dont attack foam five-minute epoxy sheeting transfer tape epoxy UFO really boon foam wing construction Since 5D7037 airfoil very thin 92% thick have employ carbon fiber spar order achieve kind strength wanted have however utilized such way becomes integral part spar easy apply does complicate construc tion significantly provide accurately cut foam cores spar slots precut speed ease construction have eliminated sheeting splicing providing full-size obechi sheeting can applied piece side wing panel sheeting can ap plied either transfer tape method other kits epoxy wings require mess around vacuumbagging other tedious building processes can vacuum-bag want trailing edge straight trouble-free obechi sheeting no further reinforcement required simplifying construction further Low-temperature covering such Black Bar film used cover obechi goes easily covering balsa-sheeted wings put pinholes covering same sheet over balsa sheeting obechi sta ble TE stays truer appears less maintenance necessary covering wing surface comes out truer smoother too Surprisingly finished wing panels servos installed weigh 15 16 oz Saber has total wing area 1030 sq span 121 total flying weight about 70 oz carries 20 oz ballast ease wing planform similar old Maestro Megan Maestro Caliente multichannel Gliders kitted 1970s planform has since become known modified Schuemann planform employed Saber same reason used Megan Caliente get center-of-gravity rearward fuselage minimize amount nose weight required balance plane Schuemann modified Schue mann-winged Gliders have serious tip stall problems require performance-eating tip washout am happy report design Saber eliminates both tip stall tendency need tip washout Saber uses %-in-diameter wing rod provide rigid center section good zoom launching minimum flexing really solid-feeling ship speeds stabs/rudder stab utilizes quick easy foam core construction new 5D8020 airfoil fully sheeted requires no TE rein forcing stabs can built flash lightweight extremely strong flutter free rudder also foam core sheeted A2 balsa Controls Flaps ailerons crow full trailing edge camber both positive negative rudder elevator computer radio required plans show Airtronics Vision radio installation Performance Light-lift low-altitude thermal ing ability similar Lovesong best business maximum LID nearly high Lovesong over 251 compared tips-up gaggle Glid rs max LID about 221 wing camber reflex mode has top end similar faster sinking Gliders using S3021 airfoil short Saber combines unmatched blend minimum sinking speed max L/D highspeed performance rest Highly detailed computer-drawn plans plus complete building instructions covering aspect construction down wing servo mounting electrical wing servo hookup included Also included devises pushrods control horns etc believe will able include fuselage-to wing four-pin plug wiring make up wing servo extensions Without doubt com pared what included other kits what getting end product Saber real value Just going specs appearance looks ol Bob has come up another win ner Saber beautifully proportioned nice handy size has modem features should put winners circle long time Its wing area 45 fewer squares Lovesong has 132-in span Aspect ra tio 142 compared 167 Song 70 oz wing loading 98 oz/sq ft Adding 20 ounces suggested Bob will bring up 126 oz/sq ft $300 kit price need computer radio will course limit market ship Serious Soaring set seeking infamous competitive edge Saber bears definite consideration Actually kit price $70 Lovesong Saber should build twice fast Windsong makes money well spent far Im concerned Im fast builder two Windsongs built must have taken three times longer 75 hours Bob mentioned Its worth though because Song very tough beat Thermal Duration events December 1990 163 y-1HIn~ 1I Use CA Adhesives Hinges full 15 Mils thick 4 mu Ihicker clher Ieadin brands * Better CA Penetration * Added Strength * Extra Long Life , - S HOBBY HINGES P0 BOX 31064-M Billings MT 59107 Dealer Inquiries Invitedl
Edition: Model Aviation - 1990/12
Page Numbers: 52, 162, 163
WELCOME back month going take look Kyoshos latest offering new Concept 30 SX now everyone familiar Kyoshos Concept 30 think its fair say never before has model helicopter widely ac cepted successfully marketed Kyoshos itial offering coast coast fields across America Concepts flying flying well Since Concept 30 Kyoshos first heli copter surprising modelers could find few things wanted see done differ ently As result have great after-market parts made available Conceptmore fact other machine can remember Accepting fact Concept 30 very successful great-flying easy build readily available would Kyosho bring forth SX obvious answer SX refined con cept Taking experience gained over last two years aiming slightly higher caliber heli pilot Kyosho engineers have added Concepts naturally good flight characteristics have rewarded us machine opti mized aerobatics Thinking about thats such bad idea Thousands modelers have learned fly Concept have im proved natural theyll want make step up Concept 30 SX So what First let say no major aerodynamic changes have made means Concept 30 SX retains Concepts good handling capabilities fear SX still machine novice could learn fly Kyosho has made non-aerodynamic changes SX however start rotor head equipped thrust bearings smoother collective pitch changes blade track ing Metal pivot balls plastic swash plate reduce free play linkages pivot arm has moved 5 mm increased collective pitch range new stainless steel pivot ball has installed steel Hiller lever reduces free play increases flying precision drive gear has brass ring fiber liner equipped two ball bearings alu minum mixing base brass sleeve add strength precision smoothness large stabilizer blades new stabilizer see saw metal pivots hard rubber dampers servo link set ball rods both ends servo pushrods Look new tail link guides colored tracking tape blade tips stiffer tail blades too black tail boom sleek new canopy high-quality decals According Kyosho changes re quested experienced heli pilots No further hop-ups additional items needed Continued page 162 Right side Concept 30 SX canopy oft shows metal bails swashpiate EG C-30 muffler servos have straight pushrod runs bali link connections Pix right shows rotor head general servo layout 52 Model Aviation Radio Confrol Helicopters Larry Jolly 15781 Empire Ln saninster CA 92683 Concept 30 SX flight Good looks has great stability yet its capable aggressive aerobatics new improved hell Kyosho definitely ciass act N Tech Specialties pitch gauge high Tali rotor tail fins Concept 30 SX quality unit works very well hailPusher tall rotor now industry norm copters setting low end hayNote decorative trim er pitch autos use -3 low end Krumpler/Irvine Continued page 157 loops deteriorating plane falling off top battery running down its time pian landing Spins require CG further back whit used initially removal two-ounce speed controller nose can get spin little power just top stall needs blast air across tail get going Stall turns easy Just go power push stick over Snap rolls level flight just easy Feed little Up elevator just see nose start rise pull stick right over full back zips right around actually pauses level flight before going spiral dive pause cue let go stick can make way down length field snapping 10 20 yards stall turn other end repeat comine other way glide moderate remember bi planes draggy better struts Nevertheless find biplane struts mildly offensive usually have Make first few approaches bat tery power left have option going around rumbling generally fly until detect slight drop power cut throttle come just last little bit reserve SCR cells have sharp discharge knee almost like running out fuel whereas SCs give about 30second warning airplane best calm weather steady breeze 1989 KRC Fun Fly quite windy varied constant fine Krumpler gusty flyable much fun best time have far has evening flying wind has dropped THE WIREMASTER TM bessderutcolter extra large handle bends 1/8-1/4 coils S/ 32-3116 music wire Wlre peep eliminated ANTI-KREEP WIRE LOCKTh free catalog also has hardware accessories JOM COMPANY 114 Washfrlgton T Dept Waukegan IL 60095 can shoot touch-and-go after another admiring set ting sun shines through covering put skis winter flying put Goldfire Flying qualities deterior ated slightly because extra drag weight skis nothing major Conclusion What might change sec ond Krumpler might shorten nose bit build straight wings ease ten dency towards nose-heaviness might turn something else air Krumpler has bit Tiger Moth itand little Bucker Jungmann well creative modeler might take few minor changes create nice small Scale Electric last point build Krum pler please send comments photo Martin Irvine 34 Beaver Crescent Kingston Ontario Canada K7M 7C 1 will answer correspondence would appreciate sending stamp RC Helicopters/Jolly Continued page 52 Concept 30 SX complete highperformance package expert fliers Kit Concept 30 SX arrived nicely packaged gold box vividly displaying SXs sleek lines lid slid off parts exposed evident Concept 30 SX pure Kyosho kit features excellent quality obvious thought put part SX shipped standard Concept struction manual two separate addendum sheets pertain specifically SX Kyosho understands multinational necessity clear pictures result manuals feature ex cellent illustrations just enough text take over rough spots standard Concept manual over 30 pages super piece work Anyone can build Concept merely looking pictures matching parts fas teners Concept 30 SX difficult assemble Following instructions letter took under seven hours start finish Youll have no problems Ill expand just briefly few steps feel may lacking text Step 11 Set clutch lining place glue thin CyA add glue first youll tiAWIUKUUKKILANE RAF WAS GLAD TO H4 YE t SPITFIRE RIJTITIA4D TO HAVE T pSIS 00 01501 Add Si 500 hEFIa Usa VISAs MC 015151050 015 COO Polyester HaM Laid Fibealaaa1/aS Soale Fuselage ngspan.50 noVas lete eels aod llardwaeFuse LengTh. 0353 lncttea Paclsages IndudadWeight.12 Lbs Meotrina Cut Foam Adog Cares Fonssr.2oy5OTs 108 Any 125 / Heavy Duty Styiene Clam Canopy1mm Legal / Flbertleas Cowl Fuse H Molded Stringers Easy RuildEsay Fly Esoellent Beginnem Waibjid SoossassIss AesHaWe 55550 reps s sed Fplns trawsa SeataTkea8t5jbs55alieht0tats IR5m5 5 LRta 054 Las 0th /S KIt AeettRhe Wue isa. a WutS leSs 750*5 Pes.ZeyW Ta toe Aan tss Jte Pun 551 a. P5351 P P-a ME-flOsS Nasmyx 1LU3Mesa Ms5oTan8 ml P5133 035331 l-amoaavImn never get lining belongs before sticks itself tableyou get pic ture step 13 main frame assembly call out 2 x 3 x 10mm-long self-tapping screws illustration shows could shorter hold cooling shroud place fact screws too long will bind up clutch bell step 19 tail rotor assembly make sure use plastic-compatible screw cement supplied kit good job tightening pitch ring nut slide bushing assembly could better designed allow positive grip during assembly would help ensure nut will separate bushing dur ing use step 21 dont glue new control rod sup ports place Instead decide go apply -in strip vinyl electrical trim tape boom Rub edges tape down well slide supports position twisting motion Youll find fit snugly removable can also put some tape boom under horizontal stabilizer help snug up step 31 installation canopy should use additional two screws front lower sides canopy keep decals lifting canopy front edge Id like add suggestions just no way intended detract Concept manual excellent build ing aid kit complete Concept yos would literally have try fail keep achieving success What radio Concept SX used Air tronics Vanguard six-channel FM system SGX gyro transmitter features dual rates elevator aileron has idle up setting pitch trim revolution mix throttle hold servo reversing switches todays standards Vanguard rates very basic heli system Unlike PCM 10 1024 hell pilots will able use everything Vanguard-type sys tem Its perfect beginner will per form contest system Novice Scale maybe far Intermediate since can per form upright maneuvers SGX system comes gyro mixer dedicated tail rotor servo features single adjustable gain reversing switch FAt caliber its perfect novice will want set gain up high authority adjust gyro suit taste pro gresses SGX will also find favor fixedwing tail-dragger pilots think its just ticket short-coupled Scale ship gets fe isty takeoff Check out couldnt easier install Vanguard performed admirably glitch think however suitable training SX will capable everything expert will want SX mind switched over Air tronics Spectra 7 PCM radio still pre microprocessor has enough bells whis tles allow competent pilot explore SXs inverted capabilities motivator power used standard 05 32 FSR H coupled Vortexs Eikohgiken C 30 muffler What can say about start idle produce lot powerall good things want heli motor C 30 seems help out power department has added advantage allowing adjust low idle mixture motor once course 162 Model Aviation Rubber ft Ongine Power Free Flight Display Control Line Eleotric Power RIC Airplenee new liluetrated 32 page tabloId size catalog US ft Canade $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadale PA 18446 215 368-0770 ZENOAH SACHS-DOLMAR & QUADRA ENGINES ERCOUPE TOMAHAWK & J-3 KITIEN KITS ZINGER & DYNATHRUST PROPS FUEL TANKS Carbon-Fiber Arrowahafte Ceconite & Glue DGA & MGA PILOTS Send $100 catalog JIM MESSERS QUALITY MODEL PRODUCTS Valley View Dr Box 43 Allegany NY 14706 Does fly bet test SX tracked per fectly first lift off Because used Tech Spe cialties pitch gauge adjusted pitch ramp match instructions SX flew perfectly allowing loops rolls autos first tank initial reaction SX very smooth groovy ship goes exactly put Hovering precise aerobatic moves aggressive positive SX has good disc ri gidity does pitch up buzz thrown around nutshell like As SXs capa bilities think anyone attended Kyosho 30-size meet will attest no heli ma neuver wont Kyosho pilot gave dazz ling aerobatic display stock SX will held back SX guarantee go 30 SX ul timate Concept Well 30-size maybe what take everything learned Concept SX dropped 60 guess ultimate Concept will 60-powered big brother SX Well just have wait see meantime Id like thank folks Great Planes made review possible Theyve done great job supporting heli fliers directly through dealers Tim Lampe has doing super job Con cept 30 Connection newsletter thats sent out warranted Concept owners finally found out what youre supposed cards Anyway send yours will receive Tims newsletter Its full good ideas up dates Concept BCNU RC Soaring/Blakeslee Continued page 57 vator arrow shaft its dowel end plugs Thus elevator arrow shaft provides its own support also supports rudder pushrod eavier two supported /6-in steel pushrods requires no outside support stalls minutes very reliable solid designing fiberglass fuselage shape wanted canopy opening nose ex tremely strong both compression torsion servo tray installation Thus canopy starts quite high fuselage Uti lizes unique curved lip inside canopy open ing provides strength similar what can achieved using solid cone nose no opening canopy carefully fitted molded recess provide smooth airflow As other kits wing saddle por tion fuselage matches wing contour eliminating entire wing-to-fuselage intersec tion its related drag cloth lay-up care fully graduated great strength minimum weight engineered fuselage mainte nance free under consistently hard contest landings has wood wing support molded place Saber fuselage strong pushrod stallation snap fuselage complete ready prime paint Oh yes other kits fuselage wing location designed have flaps fully deployed extend below bottom fuselage simple design necessity has tally eluded recent entries multichannel Glider kit market Other designers must think reasonable require pull up flaps single time before land ing Otherwise youll land flaps instead fuselage causes sorts prob lems may know youve flown half-baked designs wings entire wing can built very quickly using UFO CyA glues dont attack foam five-minute epoxy sheeting transfer tape epoxy UFO really boon foam wing construction Since 5D7037 airfoil very thin 92% thick have employ carbon fiber spar order achieve kind strength wanted have however utilized such way becomes integral part spar easy apply does complicate construc tion significantly provide accurately cut foam cores spar slots precut speed ease construction have eliminated sheeting splicing providing full-size obechi sheeting can applied piece side wing panel sheeting can ap plied either transfer tape method other kits epoxy wings require mess around vacuumbagging other tedious building processes can vacuum-bag want trailing edge straight trouble-free obechi sheeting no further reinforcement required simplifying construction further Low-temperature covering such Black Bar film used cover obechi goes easily covering balsa-sheeted wings put pinholes covering same sheet over balsa sheeting obechi sta ble TE stays truer appears less maintenance necessary covering wing surface comes out truer smoother too Surprisingly finished wing panels servos installed weigh 15 16 oz Saber has total wing area 1030 sq span 121 total flying weight about 70 oz carries 20 oz ballast ease wing planform similar old Maestro Megan Maestro Caliente multichannel Gliders kitted 1970s planform has since become known modified Schuemann planform employed Saber same reason used Megan Caliente get center-of-gravity rearward fuselage minimize amount nose weight required balance plane Schuemann modified Schue mann-winged Gliders have serious tip stall problems require performance-eating tip washout am happy report design Saber eliminates both tip stall tendency need tip washout Saber uses %-in-diameter wing rod provide rigid center section good zoom launching minimum flexing really solid-feeling ship speeds stabs/rudder stab utilizes quick easy foam core construction new 5D8020 airfoil fully sheeted requires no TE rein forcing stabs can built flash lightweight extremely strong flutter free rudder also foam core sheeted A2 balsa Controls Flaps ailerons crow full trailing edge camber both positive negative rudder elevator computer radio required plans show Airtronics Vision radio installation Performance Light-lift low-altitude thermal ing ability similar Lovesong best business maximum LID nearly high Lovesong over 251 compared tips-up gaggle Glid rs max LID about 221 wing camber reflex mode has top end similar faster sinking Gliders using S3021 airfoil short Saber combines unmatched blend minimum sinking speed max L/D highspeed performance rest Highly detailed computer-drawn plans plus complete building instructions covering aspect construction down wing servo mounting electrical wing servo hookup included Also included devises pushrods control horns etc believe will able include fuselage-to wing four-pin plug wiring make up wing servo extensions Without doubt com pared what included other kits what getting end product Saber real value Just going specs appearance looks ol Bob has come up another win ner Saber beautifully proportioned nice handy size has modem features should put winners circle long time Its wing area 45 fewer squares Lovesong has 132-in span Aspect ra tio 142 compared 167 Song 70 oz wing loading 98 oz/sq ft Adding 20 ounces suggested Bob will bring up 126 oz/sq ft $300 kit price need computer radio will course limit market ship Serious Soaring set seeking infamous competitive edge Saber bears definite consideration Actually kit price $70 Lovesong Saber should build twice fast Windsong makes money well spent far Im concerned Im fast builder two Windsongs built must have taken three times longer 75 hours Bob mentioned Its worth though because Song very tough beat Thermal Duration events December 1990 163 y-1HIn~ 1I Use CA Adhesives Hinges full 15 Mils thick 4 mu Ihicker clher Ieadin brands * Better CA Penetration * Added Strength * Extra Long Life , - S HOBBY HINGES P0 BOX 31064-M Billings MT 59107 Dealer Inquiries Invitedl
Edition: Model Aviation - 1990/12
Page Numbers: 52, 162, 163
WELCOME back month going take look Kyoshos latest offering new Concept 30 SX now everyone familiar Kyoshos Concept 30 think its fair say never before has model helicopter widely ac cepted successfully marketed Kyoshos itial offering coast coast fields across America Concepts flying flying well Since Concept 30 Kyoshos first heli copter surprising modelers could find few things wanted see done differ ently As result have great after-market parts made available Conceptmore fact other machine can remember Accepting fact Concept 30 very successful great-flying easy build readily available would Kyosho bring forth SX obvious answer SX refined con cept Taking experience gained over last two years aiming slightly higher caliber heli pilot Kyosho engineers have added Concepts naturally good flight characteristics have rewarded us machine opti mized aerobatics Thinking about thats such bad idea Thousands modelers have learned fly Concept have im proved natural theyll want make step up Concept 30 SX So what First let say no major aerodynamic changes have made means Concept 30 SX retains Concepts good handling capabilities fear SX still machine novice could learn fly Kyosho has made non-aerodynamic changes SX however start rotor head equipped thrust bearings smoother collective pitch changes blade track ing Metal pivot balls plastic swash plate reduce free play linkages pivot arm has moved 5 mm increased collective pitch range new stainless steel pivot ball has installed steel Hiller lever reduces free play increases flying precision drive gear has brass ring fiber liner equipped two ball bearings alu minum mixing base brass sleeve add strength precision smoothness large stabilizer blades new stabilizer see saw metal pivots hard rubber dampers servo link set ball rods both ends servo pushrods Look new tail link guides colored tracking tape blade tips stiffer tail blades too black tail boom sleek new canopy high-quality decals According Kyosho changes re quested experienced heli pilots No further hop-ups additional items needed Continued page 162 Right side Concept 30 SX canopy oft shows metal bails swashpiate EG C-30 muffler servos have straight pushrod runs bali link connections Pix right shows rotor head general servo layout 52 Model Aviation Radio Confrol Helicopters Larry Jolly 15781 Empire Ln saninster CA 92683 Concept 30 SX flight Good looks has great stability yet its capable aggressive aerobatics new improved hell Kyosho definitely ciass act N Tech Specialties pitch gauge high Tali rotor tail fins Concept 30 SX quality unit works very well hailPusher tall rotor now industry norm copters setting low end hayNote decorative trim er pitch autos use -3 low end Krumpler/Irvine Continued page 157 loops deteriorating plane falling off top battery running down its time pian landing Spins require CG further back whit used initially removal two-ounce speed controller nose can get spin little power just top stall needs blast air across tail get going Stall turns easy Just go power push stick over Snap rolls level flight just easy Feed little Up elevator just see nose start rise pull stick right over full back zips right around actually pauses level flight before going spiral dive pause cue let go stick can make way down length field snapping 10 20 yards stall turn other end repeat comine other way glide moderate remember bi planes draggy better struts Nevertheless find biplane struts mildly offensive usually have Make first few approaches bat tery power left have option going around rumbling generally fly until detect slight drop power cut throttle come just last little bit reserve SCR cells have sharp discharge knee almost like running out fuel whereas SCs give about 30second warning airplane best calm weather steady breeze 1989 KRC Fun Fly quite windy varied constant fine Krumpler gusty flyable much fun best time have far has evening flying wind has dropped THE WIREMASTER TM bessderutcolter extra large handle bends 1/8-1/4 coils S/ 32-3116 music wire Wlre peep eliminated ANTI-KREEP WIRE LOCKTh free catalog also has hardware accessories JOM COMPANY 114 Washfrlgton T Dept Waukegan IL 60095 can shoot touch-and-go after another admiring set ting sun shines through covering put skis winter flying put Goldfire Flying qualities deterior ated slightly because extra drag weight skis nothing major Conclusion What might change sec ond Krumpler might shorten nose bit build straight wings ease ten dency towards nose-heaviness might turn something else air Krumpler has bit Tiger Moth itand little Bucker Jungmann well creative modeler might take few minor changes create nice small Scale Electric last point build Krum pler please send comments photo Martin Irvine 34 Beaver Crescent Kingston Ontario Canada K7M 7C 1 will answer correspondence would appreciate sending stamp RC Helicopters/Jolly Continued page 52 Concept 30 SX complete highperformance package expert fliers Kit Concept 30 SX arrived nicely packaged gold box vividly displaying SXs sleek lines lid slid off parts exposed evident Concept 30 SX pure Kyosho kit features excellent quality obvious thought put part SX shipped standard Concept struction manual two separate addendum sheets pertain specifically SX Kyosho understands multinational necessity clear pictures result manuals feature ex cellent illustrations just enough text take over rough spots standard Concept manual over 30 pages super piece work Anyone can build Concept merely looking pictures matching parts fas teners Concept 30 SX difficult assemble Following instructions letter took under seven hours start finish Youll have no problems Ill expand just briefly few steps feel may lacking text Step 11 Set clutch lining place glue thin CyA add glue first youll tiAWIUKUUKKILANE RAF WAS GLAD TO H4 YE t SPITFIRE RIJTITIA4D TO HAVE T pSIS 00 01501 Add Si 500 hEFIa Usa VISAs MC 015151050 015 COO Polyester HaM Laid Fibealaaa1/aS Soale Fuselage ngspan.50 noVas lete eels aod llardwaeFuse LengTh. 0353 lncttea Paclsages IndudadWeight.12 Lbs Meotrina Cut Foam Adog Cares Fonssr.2oy5OTs 108 Any 125 / Heavy Duty Styiene Clam Canopy1mm Legal / Flbertleas Cowl Fuse H Molded Stringers Easy RuildEsay Fly Esoellent Beginnem Waibjid SoossassIss AesHaWe 55550 reps s sed Fplns trawsa SeataTkea8t5jbs55alieht0tats IR5m5 5 LRta 054 Las 0th /S KIt AeettRhe Wue isa. a WutS leSs 750*5 Pes.ZeyW Ta toe Aan tss Jte Pun 551 a. P5351 P P-a ME-flOsS Nasmyx 1LU3Mesa Ms5oTan8 ml P5133 035331 l-amoaavImn never get lining belongs before sticks itself tableyou get pic ture step 13 main frame assembly call out 2 x 3 x 10mm-long self-tapping screws illustration shows could shorter hold cooling shroud place fact screws too long will bind up clutch bell step 19 tail rotor assembly make sure use plastic-compatible screw cement supplied kit good job tightening pitch ring nut slide bushing assembly could better designed allow positive grip during assembly would help ensure nut will separate bushing dur ing use step 21 dont glue new control rod sup ports place Instead decide go apply -in strip vinyl electrical trim tape boom Rub edges tape down well slide supports position twisting motion Youll find fit snugly removable can also put some tape boom under horizontal stabilizer help snug up step 31 installation canopy should use additional two screws front lower sides canopy keep decals lifting canopy front edge Id like add suggestions just no way intended detract Concept manual excellent build ing aid kit complete Concept yos would literally have try fail keep achieving success What radio Concept SX used Air tronics Vanguard six-channel FM system SGX gyro transmitter features dual rates elevator aileron has idle up setting pitch trim revolution mix throttle hold servo reversing switches todays standards Vanguard rates very basic heli system Unlike PCM 10 1024 hell pilots will able use everything Vanguard-type sys tem Its perfect beginner will per form contest system Novice Scale maybe far Intermediate since can per form upright maneuvers SGX system comes gyro mixer dedicated tail rotor servo features single adjustable gain reversing switch FAt caliber its perfect novice will want set gain up high authority adjust gyro suit taste pro gresses SGX will also find favor fixedwing tail-dragger pilots think its just ticket short-coupled Scale ship gets fe isty takeoff Check out couldnt easier install Vanguard performed admirably glitch think however suitable training SX will capable everything expert will want SX mind switched over Air tronics Spectra 7 PCM radio still pre microprocessor has enough bells whis tles allow competent pilot explore SXs inverted capabilities motivator power used standard 05 32 FSR H coupled Vortexs Eikohgiken C 30 muffler What can say about start idle produce lot powerall good things want heli motor C 30 seems help out power department has added advantage allowing adjust low idle mixture motor once course 162 Model Aviation Rubber ft Ongine Power Free Flight Display Control Line Eleotric Power RIC Airplenee new liluetrated 32 page tabloId size catalog US ft Canade $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadale PA 18446 215 368-0770 ZENOAH SACHS-DOLMAR & QUADRA ENGINES ERCOUPE TOMAHAWK & J-3 KITIEN KITS ZINGER & DYNATHRUST PROPS FUEL TANKS Carbon-Fiber Arrowahafte Ceconite & Glue DGA & MGA PILOTS Send $100 catalog JIM MESSERS QUALITY MODEL PRODUCTS Valley View Dr Box 43 Allegany NY 14706 Does fly bet test SX tracked per fectly first lift off Because used Tech Spe cialties pitch gauge adjusted pitch ramp match instructions SX flew perfectly allowing loops rolls autos first tank initial reaction SX very smooth groovy ship goes exactly put Hovering precise aerobatic moves aggressive positive SX has good disc ri gidity does pitch up buzz thrown around nutshell like As SXs capa bilities think anyone attended Kyosho 30-size meet will attest no heli ma neuver wont Kyosho pilot gave dazz ling aerobatic display stock SX will held back SX guarantee go 30 SX ul timate Concept Well 30-size maybe what take everything learned Concept SX dropped 60 guess ultimate Concept will 60-powered big brother SX Well just have wait see meantime Id like thank folks Great Planes made review possible Theyve done great job supporting heli fliers directly through dealers Tim Lampe has doing super job Con cept 30 Connection newsletter thats sent out warranted Concept owners finally found out what youre supposed cards Anyway send yours will receive Tims newsletter Its full good ideas up dates Concept BCNU RC Soaring/Blakeslee Continued page 57 vator arrow shaft its dowel end plugs Thus elevator arrow shaft provides its own support also supports rudder pushrod eavier two supported /6-in steel pushrods requires no outside support stalls minutes very reliable solid designing fiberglass fuselage shape wanted canopy opening nose ex tremely strong both compression torsion servo tray installation Thus canopy starts quite high fuselage Uti lizes unique curved lip inside canopy open ing provides strength similar what can achieved using solid cone nose no opening canopy carefully fitted molded recess provide smooth airflow As other kits wing saddle por tion fuselage matches wing contour eliminating entire wing-to-fuselage intersec tion its related drag cloth lay-up care fully graduated great strength minimum weight engineered fuselage mainte nance free under consistently hard contest landings has wood wing support molded place Saber fuselage strong pushrod stallation snap fuselage complete ready prime paint Oh yes other kits fuselage wing location designed have flaps fully deployed extend below bottom fuselage simple design necessity has tally eluded recent entries multichannel Glider kit market Other designers must think reasonable require pull up flaps single time before land ing Otherwise youll land flaps instead fuselage causes sorts prob lems may know youve flown half-baked designs wings entire wing can built very quickly using UFO CyA glues dont attack foam five-minute epoxy sheeting transfer tape epoxy UFO really boon foam wing construction Since 5D7037 airfoil very thin 92% thick have employ carbon fiber spar order achieve kind strength wanted have however utilized such way becomes integral part spar easy apply does complicate construc tion significantly provide accurately cut foam cores spar slots precut speed ease construction have eliminated sheeting splicing providing full-size obechi sheeting can applied piece side wing panel sheeting can ap plied either transfer tape method other kits epoxy wings require mess around vacuumbagging other tedious building processes can vacuum-bag want trailing edge straight trouble-free obechi sheeting no further reinforcement required simplifying construction further Low-temperature covering such Black Bar film used cover obechi goes easily covering balsa-sheeted wings put pinholes covering same sheet over balsa sheeting obechi sta ble TE stays truer appears less maintenance necessary covering wing surface comes out truer smoother too Surprisingly finished wing panels servos installed weigh 15 16 oz Saber has total wing area 1030 sq span 121 total flying weight about 70 oz carries 20 oz ballast ease wing planform similar old Maestro Megan Maestro Caliente multichannel Gliders kitted 1970s planform has since become known modified Schuemann planform employed Saber same reason used Megan Caliente get center-of-gravity rearward fuselage minimize amount nose weight required balance plane Schuemann modified Schue mann-winged Gliders have serious tip stall problems require performance-eating tip washout am happy report design Saber eliminates both tip stall tendency need tip washout Saber uses %-in-diameter wing rod provide rigid center section good zoom launching minimum flexing really solid-feeling ship speeds stabs/rudder stab utilizes quick easy foam core construction new 5D8020 airfoil fully sheeted requires no TE rein forcing stabs can built flash lightweight extremely strong flutter free rudder also foam core sheeted A2 balsa Controls Flaps ailerons crow full trailing edge camber both positive negative rudder elevator computer radio required plans show Airtronics Vision radio installation Performance Light-lift low-altitude thermal ing ability similar Lovesong best business maximum LID nearly high Lovesong over 251 compared tips-up gaggle Glid rs max LID about 221 wing camber reflex mode has top end similar faster sinking Gliders using S3021 airfoil short Saber combines unmatched blend minimum sinking speed max L/D highspeed performance rest Highly detailed computer-drawn plans plus complete building instructions covering aspect construction down wing servo mounting electrical wing servo hookup included Also included devises pushrods control horns etc believe will able include fuselage-to wing four-pin plug wiring make up wing servo extensions Without doubt com pared what included other kits what getting end product Saber real value Just going specs appearance looks ol Bob has come up another win ner Saber beautifully proportioned nice handy size has modem features should put winners circle long time Its wing area 45 fewer squares Lovesong has 132-in span Aspect ra tio 142 compared 167 Song 70 oz wing loading 98 oz/sq ft Adding 20 ounces suggested Bob will bring up 126 oz/sq ft $300 kit price need computer radio will course limit market ship Serious Soaring set seeking infamous competitive edge Saber bears definite consideration Actually kit price $70 Lovesong Saber should build twice fast Windsong makes money well spent far Im concerned Im fast builder two Windsongs built must have taken three times longer 75 hours Bob mentioned Its worth though because Song very tough beat Thermal Duration events December 1990 163 y-1HIn~ 1I Use CA Adhesives Hinges full 15 Mils thick 4 mu Ihicker clher Ieadin brands * Better CA Penetration * Added Strength * Extra Long Life , - S HOBBY HINGES P0 BOX 31064-M Billings MT 59107 Dealer Inquiries Invitedl