FLYING Klingberg Wing 100 Most Soaring enthusiasts familiar name Rollin Klingberg introduced original Klingberg Wing kit 1988 under Future Right company name Its TwoMeter flying wing one-piece conven tional balsa rib/spruce spar construction kit immediately popular Rol has sold thousands Rol thought also place market really high-performance flying wing Early year see January 1992 column brought out Klingberg Wing 100 100-in-span design quite step up both flight performance construction ease transport Wing 100 builds 30-in center section plug-on 35-in tip panels kit very nicely done much prefabrication has one-piece balsa sheeting beautifully cut white foam cores die-cut ply parts complete hardwareincluding arrow-shaft aileron hinges Finishing film covering choice original Wing kit lists $60 discounts $40 price its something can pick up less impulse purchase new Wing 100 kit lists $220 discounts about $150 puts up couple steps price category Might require checking spouse balance checking account get word out Rol has model magazine Soaring editors have go Wing 100 Also Rol figured Id suitable guinea pig because have absolutely zero experience RC flying wings As kid Jasco Thermic Towline Glider flying wing hardly counts Wing 100 arrived big box complete Airtronics Module radio fly Wing need least radio V-tail mixer because elevons work like V-tail ie go up down together elevator work opposite other aileron Wing 100 also has flaps mounted center section piece de alsistance sliding nose weight inflight CU changing sliding weight receiver battery pack plus nose weighta clever idea total Wing requires four servos nights charge batteries out nearby pasture some flights having much idea what expect thought myself Rols funeral spooled up winch heaved Amazing towed perfectly straight although climb angle Id like see Off tow Wing scooted around field high rate speed. fact too fast speed L/D wasnt too hot Up elevator trim helped still Wing behaved like classic case nose-heaviness moved hook back contemplated removing some nose weight wishing mess too much Rols setup thinking fields 6200-ft elevation might causing some trim problems called Rol explained symptoms said purposely set Wing nose-heavy IR ADIO CONTROL make easier fly Easy wasbut exactly contender Thermal Duration competition either chance Rol planning move Denver during home-search trip chance fly together Rol also brought another brand-new Wing 100 us try rebalanced Wing flown removing several ounces nose weight flew fine glide about like youd expect good Standard-class ship although bit faster new Wing lighter flew better Thermals popping found little problem skying Wing out visual limits Handling positive both pitch roll Thermaling techniques same use regular Gliders found Wing responded lift climbed quite nicely Wing 100 should great fun Slope Soaring well problem Rol warued about visual orientation took some extra concentration keep track way going Rol says get used after summary short flying sessions found Wing 100 fun SOARING interesting experience think ship will appeal primarily two groups certified flying wing specialists Glider fliers have yen something completely different About time read Rol should moving Denver should able reach him through former address Future Flight 1256 Prescott Ave Sunnyvale CA 94089 mber 1992 53 Rollin Klingberg Klingberg Wing 100 flying-wing Sailpianes Kit produced Rollins Future Flight firm Wing 100 performs well fast flier info text Photos snapped Blakeslee Colorado flying field GLIDER HEAVEN New winch Hobby Lobby HL importing new 12-volt winch Graupner Gennany Actually Jim Martin tells winch made Poland dont let Eastern Bloc rap influence youthey make excellently crafted stuff complete winch setup sells $397 Coming Graupner worlds biggest hobby company can sure its Mercedes Benz winches HLs description Powerful enough pull heavy fourmeter Sailplanes altitude component machine designed scratch used Sailplane winch motor fully sealed against dirt robust foot switch has huge cleanable contact points drum smooth no crevices catch line cables have clamping connectors fasten 12-volt automobile battery Output two horsepower Towing speed 20 40 feet per second Included 1300 feet 12mm towline four anchoring pins turnaround pulley Hobby Lobbys new catalog #20 has dozens other new items mostly Europe Its first-class wishbook can get free copy calling 615 3731444 write 5614 Franklin Pike Cir Brentwood TN 37027 Airtronics Legend Bob McGowan Bobs article first appeared Thermal Tales newsletter Diablo Valley SS N California Its always interesting 54 Model Aviation Graupner heavy-duty winch imported Hobby Lobby parts winch specially designed make first-class Sailplane launching system Pratt-Read LB-i 4-scale model made Donald Hobel permanent display National Soaring Museum Harris Hill Elmira New York Photograph sent Fran Ptaszkiewicz Sailpianers should plan see NSM Elmira area APPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90510 MINI ER ADJUSTABI.E TENSION HAND BELT SANDER FIRMLY HOLDS PARER FOR EASIER SANDING Padded Ilata aid calve Handy Ii Held EasytaUse$295 MINI-STRIPS PRECISION DIE-CUT Media Garnet SAVES TIMCEMENTlisa Garnet AND EFFORT $210 SANDING BELTS AmId Water Preet TEE ALUMINUM EXTRUSION SANDING BLOCK hr em wRIt RUFF4TUFF Sell-adhesIve sand paper Large Tue Sedate Wee Wear Del 11 Inch $300 .. Handyte Use22 lath $450 eems RUFF F SELF ADHESIVE SHEET SANDMPER MAKE YOUR OWN SPECIAL SANDING SHAPES Easy Use Ne messy ghae er dryIng time Medlem Flee r FIne $140 MINI4i SAW $1000 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw km ragged dIn-test framO wm temleitahle chip-preet plastic sell knedle RecedIng ama ad Jastahie B Made glees geed werts attess Cats weed plastic metal HARDENED MUSIC WIRE extra blades 3/$2 25 Add 20% postage Send 50 catalog learn what top fliers thinking about during building flying airplanes So over Bob latest addition arsenal contest ships Airtronics Legend dubbed Little Legend 1991 Fall Soaring Festival because cut wingspan down 100 stock 113 BB Ill give little review kit offer some insight modifications chose make 100-in ship about right size like increased maneuverability smaller ship mainly fun loops-n rolls also believe can advantage landing circle under lessthan-perfect wind conditions fun its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Mauzella SHIPPED WITHIN 24 HRS 1387 N Miltary Yrail West Palm Beach FL 33409 407-688-0669 criteria Id probably fly Two-Meter Hand-Launch-size ship exclusively like competitive contest circuit need better soaring performance little bit larger ship High launches pnme concern competition Its opinion must get highest equal highest launch field keep being psychological disadvantage could argue paper super L/D really big ship will make up getting just average launch height nothing can replace instant confidence get towering zoom launch Given power available standard 12-volt winches minimal stretch typical heavy braided lines IIjIIIIIUJ II Electric Vacuum Bagging System Foam Core Wings $7495 Corn plete Easy Use AdcI png & horidsg Cddornto residents odd soles tax Send $300 infomation package Dealer Inquiries Invited VIFA nns-V Mntesrnrc1 Acceuntad relatively short approx 200-meter line lengths normally find Northern California contests believe give up potential launch height planes span over 100 Thats probably little too general statement its rule thumb currently use standard-size Legend undoubtedly best compromise people personally Im willing sacrifice little soaring performance based above reasoning aggressive flying launching styles try use Besides size Im always ready Standard class 100 max Nats Continued page 145 SUPER CHEETAHUNBREAKABLE FUSELAGE Span 64 inI Area 496 sq Loading 1045 ozisq ft Weight 34 oz approx $5295 Plus Tax & Shipping Slope Acrobatic/Combat Gliders CHEETAH MODELS 14725 Bessemer St B Van Noys CA 91411 DEALER INQUIRY IN VI TED 818 781-4544 December 1992 55 nUDDI SUPER STORE lIo maimtt Itaimig Resonnlzed ____ CSA Cslf ledAedensee Pile NoFile NoPomer E26220 LR251 54Poduob fec Only certified checks money orders accepted Minimum order fld00forthteepackagesofd PomerpoleslfdO0perpackoge shipping handlinel cT residents add sales tax Prices subject chonge notice DEALER INQUIRIES INVITED further informotion dealer prices send SASh Business Cord SERMOS RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 RC Soaring/Blakeslee Continued page 55 kit typical Airtronics beginners dont know what mean Airtronics quality has become measure excellence kit industry wood very good quality kit very complete hardware provided very good instruction manual complete detail could boring veteran builder mean compliment Airtronics cut Legends span down 100 compressed rib spacing aileron panels make shorter 6 center section standard small wing tip panels /2 shorter total length 2-in block added very end ribs tip panels compressed yield greater taper rounded tip shape plans call dont expect performance increase just like looks better wing conventional built-up construction carbon-fiber-reinforced spar Its nice see still competitive option dont want build foam-core wing Legends wing structure designed very strong zoom launching understand Airtronics has made change latest kits include additional shear webs between spars span whole aileron panel sure add have early kit because extra webbing wing could fluttered Another thing watch carefully center section spar height spar completely built before wing assembled around sand spar down slightly before laminating carbon-fiber caps else spar would have exactly matched height ribs couple easy mods made wings added structural insurance first wrapping wing rod joiner boxes Keviar thread good idea design second adding 8-in spruce subspar against balsa trailing edge very center wing figured during dork landing crash two coruers flap cutouts meet solid portion center section trailing edge would under lot stress Making structural modifications good design such Legend can get trouble always careful two modifications made added strength although could argue may unnecessary overkill neither will add much weight easy get plane too heavy trying beef up structure think out carefully Going other direction removing structure save weight really devastating mistakes can occur made mistake Legend shortened -in steel wing rods join tips three-piece wing design effort save very small insignificant amount weight paid price wing panels blew off during zoom launch important contest Legends tail feathers built-up wood construction like wing match smaller wing size made elevator horizontal stabilizer little smaller chopped 1 top vertical fin also rounded stab tip shape pleasing eye knew less wing area would have really watch Little Legends weight effort keep wing loading pleasantly light stock kit area could see entire design weight could saved counting bright idea wing rods significantly compromising strength tail feathers fin post elevator control mechanism eliminated almost spruce Legends rear end substituted balsa same time reader-written publication about RIG soaring dedicated sharing technical educational information theory practical application $19 Bulk/Third Class $26 First Class Outside USA Please write R/C Soaring Digest PO Box 2108 Wylie TX 75098-2108 December 1992 145 AMA MEMBERS Come fly us andSAVE 50% 6 Months 12 Issues THE NATIONAL HOBBY CLASSIFIEDS Join Today Only $1050 12 Bi weekly Issues $13 Value send us ad would like place anything hobby related want Buy Sell Swap well Print Free $800 Value count Name City State & Phone part 25 words Theyre Always FREE Engines Radios Kits Tools Collectibles-Everything Its goal create largest Network Hobbyists Nationwide Please print Ad & personal info separate sheet send payment INFOLIT PUB 156 5 Highland Ave Ste No 122 Ossining NY 10562 help deter Mail Fraud Complete Address & Phone must supplied us records BUILD*CD*MODELS Worlds Grestost TrseSsole PIn VsrietvF___ * GIANT SIZE MODEL PLANS ReRIIAR DUIIdHrN Ue T6eeSho9ldnt YeN MASTER MOTELS, URT JURO JENNYTSR54 SIROR UMPRIR S38 $42 URT AUTO JENNY $52 TO NORTHROP GAMMA $50 59 TUE FlOOR P12 $44 $6 NORTHRUP GAMMA OUR * RU RUE FIUOTTIRE$THCUSRINULUWWRMOAR IC ISNSRA24K EUC$THURSTIN LUWWSMTRY 52 IF-ART PURA [NRATARSNA CURTIS P36* ETA$34A~6J8AI* RU CIRAT SHRINE H$45 IA CURTIS P4AU ETHOTT T. 53 Nor FIURT EHA S$44ST NeT LEOPARO UTT$46 TA ROE EIGHT TTRR$44 TILUREISS NE 4 TN NSEINA 9$ TUL$42$2 CUTRSU NC 4 9A$64 TA EARNER N-A ERR$5294 CURTISS NE 4$49 STARE 247 TRANS PTOUR51 TRUNARNRC AIRT$04 RU NUE UUR TRANS PR$50NT RAWER RIND ER A$45 TO WUCO C CUTIN P.$42CT UNA LUEN SIRUGOUR 142 TAn COMET RUCERTARAR AURLES ANN-BEE$44 NA OUUG TRANS NE-ANRA[N RAW RACE PETE$46 AS TOUR TRANO AC-A$42TI CURT HAWK PT$4R AR RRAN PRIMARY TROUT64 CURT SPRWK E CA$4R TUPEARAA1NSPENDGTR$45RH LOCEREENREAROZA SR LOUT GETAN06449 DOOUTL GEE TLE04$ SE GRUTAN GLEHAWR$6444 MONOCRA SPTRTNRA TO VGT CORSAIT E4N$4S44 ARE EIGHT P46$42 SSNAMUSTANOP$1N$46HA HOWUT MACdOUR$42 NA OHM ATENGER RAE$42[N REP TOOLT P4 55 NA MURTANG PSIT$4464 SAPERM SPITE TE$44 ST PIPER 4-4 CUB$2628 FOCUE 4N541E P76 RN PIPER REUN$4R28 GRUMMAN WiLDCATS2R TRPIPERL4C08 *$46STGRUMMANWTLNORTOUR* rR 54 LANE SILURIHE$42[N 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CUR P675W $24 $2 KOITHIO KHR8 168$45 HR WTTNINRIIpBTRT $56 72 BRAi7H B17G 1e1$52 WW71TI2I RdL $56 IA3Roo AIRO RRII.$65 TPWWTI2I 01100 56208 070$ O4AAON.$46 BA T7AIo1 07 II$49 TH 507 5 ST A.pII$G$ AA IIATA,I Pt, A,, $42 GA GA, lIlA SI,I $AA ZR BopI 56 HO RoT ITO UpAll $62 AO SRP0IT1H1TT SOB $3B HA SITHANHA 1070562 8RSRpT7IIoolT SOB $5240 $4HIT7 74 T4M 1552 AS CAll IHok PAT $56 TH H P$T 0400 Boo6$56 RAE, H04L PAE RI 56B IT RP4 TAOR B0IIR$65 AS Tockhed Vs40$35 AS $4CT70 ClIppeR $66 74 NATIjIIIeT GB II $50HR $4 ChIT6 CIippe $60 RU 64TllT86oP SpHI $54AU 1728611 TIhoIoI1d $43 80 Hell Np ToIldog 55$AT BROT NOTIKO $46 ID7AoAIooCSSpl$4$A8ABHRIHRAOVTeA $44 Al 6674146 DSB06534? NRR0176B STdH7 $35 BAARIOT ASB 06$S$iSA $41164 Ro,6 $62 62 P04T6 CR11 BHRTISNOAS NT 640004111 BOGSA$ 64007 RIO Beo4$AO81 TH $40610110 Rb $5D 7R64111T16 THTARRA$$$IKBOHNKT9oBoHAT6S R3 Ce GeNI II IC$$4BRB SlOe PTIPKHpATI$$9 *aGAUR. CAR Go46 El CS $60 NBA GRIdORe PAl $75 $AORe,CeeTI Rol $4471 DHRH NCS 11611 $50 42 HeM MoIIgol $44RS Dooo 6C3 TIT. $64 HA To, MI MoIIiTaIl$56AU Toek Teeoo IS$52 63R6&7H P504 P11$45lO0CoA2AI/4 T&T$60 82 BTT17$ PSAA Ill $50 60 Booglo 745 MaiI$52 AR 1006 CA C767 $44 AT BIiTIoI AoIIdog R11$44 B 5484 $44 OR BIRRT7RK4TGK11EA $48 BSIOT$56SORGo, BTTITIPBE$58 16111053073 707111 AROD 534 B5 LoT4 II EIeTIIT$46IOMHII $401 ReRe$38 AS 017687 6 SR SB$45RI Ei7dbelg NO211540 ______________RI SITTOR 6310 5B7$55106 FoI44PTIR TI $65 SNToo T 105R7$66HA WOT7T0pelWiTg$62 12B 532 75 VRT1Id 171107481538 P2B 544 IAN 101111114 Nyeede$52 ITS B 550 57 b4 ECITII AAT $46 idlE PTReNpTR $56 7NRHIdTIiITII4AT $65 OS $OpodeI RISES $36 114 Fold TOOII 4AT $22 SA CR1 100146 P40 $26 TA RRII30711 TIAS $52 74 P38545 RS ETTRIIR C OWoph$6S 1111 Ao$30 STGRRI42F WllPb $50 7T GIRT J2R TORI $68 Cob $52 SR 00110 G IA Boo $32 07 Bo6$48 11700140 GlVTT7SbO HTIIIHI$4O 68 TROTRARITIIIA Rid 545 81 MRIOSS2 54 Eel TOiHI TPRS4 535 IRTeOSeET *PIIRR11HIRAIeTIIRRhHHOT TZ09N..T6A EN INRIERREB RE OTEEB Alto CIUCR PLOTUR *NT - MOAT SOT UT 122 PTRA TI100E9 1711 Aol TIlAppiR9 & IRA. elT. 10 & MeT EIReThTRR 116 T54 25 4 Ri71 IRS 5200 1RRI0dRT Pke LiRI FliT8 1117 7010011 TE CIA HOle 9E 0445173 CLEVELAND MODEL &SUPPLY Co B BAN BOlT ARECLERELAND OHIO 44162 3RPM[ST AEADST141TTTA ITAJO modified stabilizer somewhat ensure structural integrity substituted flex cable stock pushrod/bellcrank arrangement drive elevator see sketch could argue cable mechanically positive works Granted modifications represent small weight savings again ounce saved back end also saves several ounces nose weight very cautious choose make modifications stabilizer because last thing want become flying wing middle flight probably would bother trying save weight making standard-size Legend fuselage fiberglass modified wing hold-down method bolt-on rubberband-on reasoning hard landings things should move bit rather break went flex cable rudder control stock pull-pull string arrangement fine hurry afraid try something new Also mod elevator drive mod area under wing completely open no strings solid pushrods easy ballasting As flying immediately impressed smooth effortless thermal turns Legend made minimal control input lot like polyhedral ship practice appreciate ease approach speed can varied match countdown big flaps let stop before final touchdown nail consistently good spot landings wing loading came out very light type plane 10 ozIsq ft great dead-calm morning air really need floatand no doubt helps super-slow spot landings As soon wind starts blow add ballast bring wing loading up 12 ozIsq ft really flies well weight impressive glide ratio becomes apparent heavier weight yet will still slow down good minimum sink wide wing chord center panel allows good kiting up towline Very high launches achieved downwind conditions summary consider Legends performance competitive design field thermallspot landing competition planes handling gentle would hesitate recommend persons first aileron plane F31 Aero-Tow Soaring Thats Item newly adopted provisional FAI Soaring event developed France over past 10 years event Scaleor scalelikeGliders 35 meters minimum wingspan Launching aero-towing event sounds bit strange first Im sure provides thrilling competition especially fans big Scale Gliders learued about F31 article Guy Revel June/July issue Silent Flight magazine SF below what Guy said about rules Basically rules call duration speed tasks arranged rounds rather like F3B However round comprises speed flight two duration flights Launch altitude 200 meters duration task 8-mm precision task landing within 40 x 20-meter rectangle giving extra 20 points bonus speed task calls four laps between two vertical planes 250 meters apart total distance kilometer measure exactly 200 meters altitude Glad asked tow plane carries altimeter telemetry link ground receiver has digital altitude Continued page 152 Other aircraft locators rely aircraft batteries OURS DOES NOT Miniature Flight Systems 503 Logan Rd Lynnwood WA 98036 206 76-9311 No hidden cost purchased connectors Includes Batteries 1 year WarrantySwitch Harness TRANSBUZZER$3.95 w/o connectors fails due CRASHwith connectors FIFS WILL replace itSpecify Manuf FREEOFCHARGEType ordering 10 ED 146 Model Aviation h bunch characters want smooth out next project Hobby Dealers Nationwide POBox 1247 St Charles IL 60174 708-584-7616 RC SoaringlBlakeslee Continued page 146 readout contest official watches readout tells competitor release Meanwhile during climb competitor informs tow-plane pilot wants towed order look lift get best position release Guy says power pilots enjoy satisfaction towing requires lot skill too good-sized contest will have six tow planes about 50 contestants Takeoff towing well-practiced routine requiring about minute complete climb 200 meters tow plane can get down take off again about 2 mm makes 3-mm launchcycle time speed task Guy says 45 sec good time record being 29 sec record time works out 77 mphwhich fairly well moving wants first try F31 States Silent Flight magazine now bimonthly Ive mentioned before much enjoy British Silent Flight magazine Because strong acceptance first Englishlanguage magazine devoted exclusively Soaring Electrics can now enjoy six times year instead four June July issue first new schedule new subscription rate $35 per year price $583 per copy seems like lot SF contains much interesting material youll find cost per reading hour actually pretty low SFs US subscription agent Wise Owl Worldwide Publications 4314 W 238th St Torrance CA 90505 Wise Owl also handles Argus Specialist Publications other model magazines RCM&E Aeromodeller Radio Modeller Radio Control Scale Aircraft Write subscription rates New F3J rules talking up Silent Flight magazine heres interesting news read Editor Dave Joness F3J Thermal column F3J FM provisional event man-on-man thermal duration flying hand-tow launching Ill summarize some Daves column Under new F3J rule will have two launch attempts second made time compromise between UK delegates preference status quo second launch within minute first original proposal would have allowed unlimited attempts What means practice depends upon weather its good no real change tactics Everyone will launch immediately usually some will fly out time However weather bad Continued page 154 152 Model Aviation 7 U Robart Ruff-N-Tuff Carbide Cutters nasty work quickly no complaints Cut through grind f clear out rough up sand down rip f smooth out guys carbide-quick cool never load up Wood fiberglass lexan plastic ceramics no modeling material scares Theyre quite abrasive bunch available variety shapes two different grits Robart Carbide Cutters rough bunch characters right can sure theyll never rub wrong way FOAM WINC CORES S U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL U POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS U IN STOCK FOR IMMEDIATE 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Edition: Model Aviation - 1992/12
Page Numbers: 53, 54, 55, 145, 146, 152, 154
FLYING Klingberg Wing 100 Most Soaring enthusiasts familiar name Rollin Klingberg introduced original Klingberg Wing kit 1988 under Future Right company name Its TwoMeter flying wing one-piece conven tional balsa rib/spruce spar construction kit immediately popular Rol has sold thousands Rol thought also place market really high-performance flying wing Early year see January 1992 column brought out Klingberg Wing 100 100-in-span design quite step up both flight performance construction ease transport Wing 100 builds 30-in center section plug-on 35-in tip panels kit very nicely done much prefabrication has one-piece balsa sheeting beautifully cut white foam cores die-cut ply parts complete hardwareincluding arrow-shaft aileron hinges Finishing film covering choice original Wing kit lists $60 discounts $40 price its something can pick up less impulse purchase new Wing 100 kit lists $220 discounts about $150 puts up couple steps price category Might require checking spouse balance checking account get word out Rol has model magazine Soaring editors have go Wing 100 Also Rol figured Id suitable guinea pig because have absolutely zero experience RC flying wings As kid Jasco Thermic Towline Glider flying wing hardly counts Wing 100 arrived big box complete Airtronics Module radio fly Wing need least radio V-tail mixer because elevons work like V-tail ie go up down together elevator work opposite other aileron Wing 100 also has flaps mounted center section piece de alsistance sliding nose weight inflight CU changing sliding weight receiver battery pack plus nose weighta clever idea total Wing requires four servos nights charge batteries out nearby pasture some flights having much idea what expect thought myself Rols funeral spooled up winch heaved Amazing towed perfectly straight although climb angle Id like see Off tow Wing scooted around field high rate speed. fact too fast speed L/D wasnt too hot Up elevator trim helped still Wing behaved like classic case nose-heaviness moved hook back contemplated removing some nose weight wishing mess too much Rols setup thinking fields 6200-ft elevation might causing some trim problems called Rol explained symptoms said purposely set Wing nose-heavy IR ADIO CONTROL make easier fly Easy wasbut exactly contender Thermal Duration competition either chance Rol planning move Denver during home-search trip chance fly together Rol also brought another brand-new Wing 100 us try rebalanced Wing flown removing several ounces nose weight flew fine glide about like youd expect good Standard-class ship although bit faster new Wing lighter flew better Thermals popping found little problem skying Wing out visual limits Handling positive both pitch roll Thermaling techniques same use regular Gliders found Wing responded lift climbed quite nicely Wing 100 should great fun Slope Soaring well problem Rol warued about visual orientation took some extra concentration keep track way going Rol says get used after summary short flying sessions found Wing 100 fun SOARING interesting experience think ship will appeal primarily two groups certified flying wing specialists Glider fliers have yen something completely different About time read Rol should moving Denver should able reach him through former address Future Flight 1256 Prescott Ave Sunnyvale CA 94089 mber 1992 53 Rollin Klingberg Klingberg Wing 100 flying-wing Sailpianes Kit produced Rollins Future Flight firm Wing 100 performs well fast flier info text Photos snapped Blakeslee Colorado flying field GLIDER HEAVEN New winch Hobby Lobby HL importing new 12-volt winch Graupner Gennany Actually Jim Martin tells winch made Poland dont let Eastern Bloc rap influence youthey make excellently crafted stuff complete winch setup sells $397 Coming Graupner worlds biggest hobby company can sure its Mercedes Benz winches HLs description Powerful enough pull heavy fourmeter Sailplanes altitude component machine designed scratch used Sailplane winch motor fully sealed against dirt robust foot switch has huge cleanable contact points drum smooth no crevices catch line cables have clamping connectors fasten 12-volt automobile battery Output two horsepower Towing speed 20 40 feet per second Included 1300 feet 12mm towline four anchoring pins turnaround pulley Hobby Lobbys new catalog #20 has dozens other new items mostly Europe Its first-class wishbook can get free copy calling 615 3731444 write 5614 Franklin Pike Cir Brentwood TN 37027 Airtronics Legend Bob McGowan Bobs article first appeared Thermal Tales newsletter Diablo Valley SS N California Its always interesting 54 Model Aviation Graupner heavy-duty winch imported Hobby Lobby parts winch specially designed make first-class Sailplane launching system Pratt-Read LB-i 4-scale model made Donald Hobel permanent display National Soaring Museum Harris Hill Elmira New York Photograph sent Fran Ptaszkiewicz Sailpianers should plan see NSM Elmira area APPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90510 MINI ER ADJUSTABI.E TENSION HAND BELT SANDER FIRMLY HOLDS PARER FOR EASIER SANDING Padded Ilata aid calve Handy Ii Held EasytaUse$295 MINI-STRIPS PRECISION DIE-CUT Media Garnet SAVES TIMCEMENTlisa Garnet AND EFFORT $210 SANDING BELTS AmId Water Preet TEE ALUMINUM EXTRUSION SANDING BLOCK hr em wRIt RUFF4TUFF Sell-adhesIve sand paper Large Tue Sedate Wee Wear Del 11 Inch $300 .. Handyte Use22 lath $450 eems RUFF F SELF ADHESIVE SHEET SANDMPER MAKE YOUR OWN SPECIAL SANDING SHAPES Easy Use Ne messy ghae er dryIng time Medlem Flee r FIne $140 MINI4i SAW $1000 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw km ragged dIn-test framO wm temleitahle chip-preet plastic sell knedle RecedIng ama ad Jastahie B Made glees geed werts attess Cats weed plastic metal HARDENED MUSIC WIRE extra blades 3/$2 25 Add 20% postage Send 50 catalog learn what top fliers thinking about during building flying airplanes So over Bob latest addition arsenal contest ships Airtronics Legend dubbed Little Legend 1991 Fall Soaring Festival because cut wingspan down 100 stock 113 BB Ill give little review kit offer some insight modifications chose make 100-in ship about right size like increased maneuverability smaller ship mainly fun loops-n rolls also believe can advantage landing circle under lessthan-perfect wind conditions fun its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Mauzella SHIPPED WITHIN 24 HRS 1387 N Miltary Yrail West Palm Beach FL 33409 407-688-0669 criteria Id probably fly Two-Meter Hand-Launch-size ship exclusively like competitive contest circuit need better soaring performance little bit larger ship High launches pnme concern competition Its opinion must get highest equal highest launch field keep being psychological disadvantage could argue paper super L/D really big ship will make up getting just average launch height nothing can replace instant confidence get towering zoom launch Given power available standard 12-volt winches minimal stretch typical heavy braided lines IIjIIIIIUJ II Electric Vacuum Bagging System Foam Core Wings $7495 Corn plete Easy Use AdcI png & horidsg Cddornto residents odd soles tax Send $300 infomation package Dealer Inquiries Invited VIFA nns-V Mntesrnrc1 Acceuntad relatively short approx 200-meter line lengths normally find Northern California contests believe give up potential launch height planes span over 100 Thats probably little too general statement its rule thumb currently use standard-size Legend undoubtedly best compromise people personally Im willing sacrifice little soaring performance based above reasoning aggressive flying launching styles try use Besides size Im always ready Standard class 100 max Nats Continued page 145 SUPER CHEETAHUNBREAKABLE FUSELAGE Span 64 inI Area 496 sq Loading 1045 ozisq ft Weight 34 oz approx $5295 Plus Tax & Shipping Slope Acrobatic/Combat Gliders CHEETAH MODELS 14725 Bessemer St B Van Noys CA 91411 DEALER INQUIRY IN VI TED 818 781-4544 December 1992 55 nUDDI SUPER STORE lIo maimtt Itaimig Resonnlzed ____ CSA Cslf ledAedensee Pile NoFile NoPomer E26220 LR251 54Poduob fec Only certified checks money orders accepted Minimum order fld00forthteepackagesofd PomerpoleslfdO0perpackoge shipping handlinel cT residents add sales tax Prices subject chonge notice DEALER INQUIRIES INVITED further informotion dealer prices send SASh Business Cord SERMOS RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 RC Soaring/Blakeslee Continued page 55 kit typical Airtronics beginners dont know what mean Airtronics quality has become measure excellence kit industry wood very good quality kit very complete hardware provided very good instruction manual complete detail could boring veteran builder mean compliment Airtronics cut Legends span down 100 compressed rib spacing aileron panels make shorter 6 center section standard small wing tip panels /2 shorter total length 2-in block added very end ribs tip panels compressed yield greater taper rounded tip shape plans call dont expect performance increase just like looks better wing conventional built-up construction carbon-fiber-reinforced spar Its nice see still competitive option dont want build foam-core wing Legends wing structure designed very strong zoom launching understand Airtronics has made change latest kits include additional shear webs between spars span whole aileron panel sure add have early kit because extra webbing wing could fluttered Another thing watch carefully center section spar height spar completely built before wing assembled around sand spar down slightly before laminating carbon-fiber caps else spar would have exactly matched height ribs couple easy mods made wings added structural insurance first wrapping wing rod joiner boxes Keviar thread good idea design second adding 8-in spruce subspar against balsa trailing edge very center wing figured during dork landing crash two coruers flap cutouts meet solid portion center section trailing edge would under lot stress Making structural modifications good design such Legend can get trouble always careful two modifications made added strength although could argue may unnecessary overkill neither will add much weight easy get plane too heavy trying beef up structure think out carefully Going other direction removing structure save weight really devastating mistakes can occur made mistake Legend shortened -in steel wing rods join tips three-piece wing design effort save very small insignificant amount weight paid price wing panels blew off during zoom launch important contest Legends tail feathers built-up wood construction like wing match smaller wing size made elevator horizontal stabilizer little smaller chopped 1 top vertical fin also rounded stab tip shape pleasing eye knew less wing area would have really watch Little Legends weight effort keep wing loading pleasantly light stock kit area could see entire design weight could saved counting bright idea wing rods significantly compromising strength tail feathers fin post elevator control mechanism eliminated almost spruce Legends rear end substituted balsa same time reader-written publication about RIG soaring dedicated sharing technical educational information theory practical application $19 Bulk/Third Class $26 First Class Outside USA Please write R/C Soaring Digest PO Box 2108 Wylie TX 75098-2108 December 1992 145 AMA MEMBERS Come fly us andSAVE 50% 6 Months 12 Issues THE NATIONAL HOBBY CLASSIFIEDS Join Today Only $1050 12 Bi weekly Issues $13 Value send us ad would like place anything hobby related want Buy Sell Swap well Print Free $800 Value count Name City State & Phone part 25 words Theyre Always FREE Engines Radios Kits Tools Collectibles-Everything Its goal create largest Network Hobbyists Nationwide Please print Ad & personal info separate sheet send payment INFOLIT PUB 156 5 Highland Ave Ste No 122 Ossining NY 10562 help deter Mail Fraud Complete Address & Phone must supplied us records BUILD*CD*MODELS Worlds Grestost TrseSsole PIn VsrietvF___ * GIANT SIZE MODEL PLANS ReRIIAR DUIIdHrN Ue T6eeSho9ldnt YeN MASTER MOTELS, URT JURO JENNYTSR54 SIROR UMPRIR S38 $42 URT AUTO JENNY $52 TO NORTHROP GAMMA $50 59 TUE FlOOR P12 $44 $6 NORTHRUP GAMMA OUR * RU RUE FIUOTTIRE$THCUSRINULUWWRMOAR IC ISNSRA24K EUC$THURSTIN LUWWSMTRY 52 IF-ART PURA [NRATARSNA CURTIS P36* ETA$34A~6J8AI* RU CIRAT SHRINE H$45 IA CURTIS P4AU ETHOTT T. 53 Nor FIURT EHA S$44ST NeT LEOPARO UTT$46 TA ROE EIGHT TTRR$44 TILUREISS NE 4 TN NSEINA 9$ TUL$42$2 CUTRSU NC 4 9A$64 TA EARNER N-A ERR$5294 CURTISS NE 4$49 STARE 247 TRANS PTOUR51 TRUNARNRC AIRT$04 RU NUE UUR TRANS PR$50NT RAWER RIND ER A$45 TO WUCO C CUTIN P.$42CT UNA LUEN SIRUGOUR 142 TAn COMET RUCERTARAR AURLES ANN-BEE$44 NA OUUG TRANS NE-ANRA[N RAW RACE PETE$46 AS TOUR TRANO AC-A$42TI CURT HAWK PT$4R AR RRAN PRIMARY TROUT64 CURT SPRWK E CA$4R TUPEARAA1NSPENDGTR$45RH LOCEREENREAROZA SR LOUT GETAN06449 DOOUTL GEE TLE04$ SE GRUTAN GLEHAWR$6444 MONOCRA SPTRTNRA TO VGT CORSAIT E4N$4S44 ARE EIGHT P46$42 SSNAMUSTANOP$1N$46HA HOWUT MACdOUR$42 NA OHM ATENGER RAE$42[N REP TOOLT P4 55 NA MURTANG PSIT$4464 SAPERM SPITE TE$44 ST PIPER 4-4 CUB$2628 FOCUE 4N541E P76 RN PIPER REUN$4R28 GRUMMAN WiLDCATS2R TRPIPERL4C08 *$46STGRUMMANWTLNORTOUR* rR 54 LANE SILURIHE$42[N 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FAIRCHILD 71W$4C C SR FAIKCRILT PRAKTAR4RWA OH EAIHCRILN PTIR Hf OaROR WE NB JANREB$JRH8HS$44$1 UT RHWACOAPIGHHRASHAS LU ATI SRIO STIR OTRITIIPHITT B RDNGPAETETNCSTO04THIIII100IBIIBIBT8 WITTIRTlO BOA B RBBTIRSTTTIIPN2S4DDIIT4TITK THIITARTTO8 II 644 IT DIaRS KHIR TA HORAITA ITEIIIdOO TNBH BIT 04104 TRIUNe AR DIRT SIT IA HAIR RATDBIIAAK 04116 016016 DITSAKBSS0II1NIHIHHH HT4609BNIATIIKNAII4TITIRH0RIBTIIHI THTIRR HA RHITH 6TBN r 7004 RITRATIB AS ReAl IA D1RIAIHDBHTS ISRIBEIIEBI lolosall 11674 IIIR4ANTN11TNBA0CKTTHTAW88BITHII10HAIII0IH64B1BI $3 1110008 11587 ITAIIABS HI IsTIRHI 00411 lATH TAN RB SHAH 17 0600105 HT4TR7AITdEAEHSITTRTAII40HB1 FdaAlapd T PME6TPd 4 1C2 WORLDS GREATEST TRUE SCALE PLANS VARIETY MANY 100$ MORE DESIGNS OSIZESAVAILABLE HACR7TBICRAP8YSW$60 T3EH1 RONI 4 NCS$SK 104 CAl. CUR P675W $24 $2 KOITHIO KHR8 168$45 HR WTTNINRIIpBTRT $56 72 BRAi7H B17G 1e1$52 WW71TI2I RdL $56 IA3Roo AIRO RRII.$65 TPWWTI2I 01100 56208 070$ O4AAON.$46 BA T7AIo1 07 II$49 TH 507 5 ST A.pII$G$ AA IIATA,I Pt, A,, $42 GA GA, lIlA SI,I $AA ZR BopI 56 HO RoT ITO UpAll $62 AO SRP0IT1H1TT SOB $3B HA SITHANHA 1070562 8RSRpT7IIoolT SOB $5240 $4HIT7 74 T4M 1552 AS CAll IHok PAT $56 TH H P$T 0400 Boo6$56 RAE, H04L PAE RI 56B IT RP4 TAOR B0IIR$65 AS Tockhed Vs40$35 AS $4CT70 ClIppeR $66 74 NATIjIIIeT GB II $50HR $4 ChIT6 CIippe $60 RU 64TllT86oP SpHI $54AU 1728611 TIhoIoI1d $43 80 Hell Np ToIldog 55$AT BROT NOTIKO $46 ID7AoAIooCSSpl$4$A8ABHRIHRAOVTeA $44 Al 6674146 DSB06534? NRR0176B STdH7 $35 BAARIOT ASB 06$S$iSA $41164 Ro,6 $62 62 P04T6 CR11 BHRTISNOAS NT 640004111 BOGSA$ 64007 RIO Beo4$AO81 TH $40610110 Rb $5D 7R64111T16 THTARRA$$$IKBOHNKT9oBoHAT6S R3 Ce GeNI II IC$$4BRB SlOe PTIPKHpATI$$9 *aGAUR. CAR Go46 El CS $60 NBA GRIdORe PAl $75 $AORe,CeeTI Rol $4471 DHRH NCS 11611 $50 42 HeM MoIIgol $44RS Dooo 6C3 TIT. $64 HA To, MI MoIIiTaIl$56AU Toek Teeoo IS$52 63R6&7H P504 P11$45lO0CoA2AI/4 T&T$60 82 BTT17$ PSAA Ill $50 60 Booglo 745 MaiI$52 AR 1006 CA C767 $44 AT BIiTIoI AoIIdog R11$44 B 5484 $44 OR BIRRT7RK4TGK11EA $48 BSIOT$56SORGo, BTTITIPBE$58 16111053073 707111 AROD 534 B5 LoT4 II EIeTIIT$46IOMHII $401 ReRe$38 AS 017687 6 SR SB$45RI Ei7dbelg NO211540 ______________RI SITTOR 6310 5B7$55106 FoI44PTIR TI $65 SNToo T 105R7$66HA WOT7T0pelWiTg$62 12B 532 75 VRT1Id 171107481538 P2B 544 IAN 101111114 Nyeede$52 ITS B 550 57 b4 ECITII AAT $46 idlE PTReNpTR $56 7NRHIdTIiITII4AT $65 OS $OpodeI RISES $36 114 Fold TOOII 4AT $22 SA CR1 100146 P40 $26 TA RRII30711 TIAS $52 74 P38545 RS ETTRIIR C OWoph$6S 1111 Ao$30 STGRRI42F WllPb $50 7T GIRT J2R TORI $68 Cob $52 SR 00110 G IA Boo $32 07 Bo6$48 11700140 GlVTT7SbO HTIIIHI$4O 68 TROTRARITIIIA Rid 545 81 MRIOSS2 54 Eel TOiHI TPRS4 535 IRTeOSeET *PIIRR11HIRAIeTIIRRhHHOT TZ09N..T6A EN INRIERREB RE OTEEB Alto CIUCR PLOTUR *NT - MOAT SOT UT 122 PTRA TI100E9 1711 Aol TIlAppiR9 & IRA. elT. 10 & MeT EIReThTRR 116 T54 25 4 Ri71 IRS 5200 1RRI0dRT Pke LiRI FliT8 1117 7010011 TE CIA HOle 9E 0445173 CLEVELAND MODEL &SUPPLY Co B BAN BOlT ARECLERELAND OHIO 44162 3RPM[ST AEADST141TTTA ITAJO modified stabilizer somewhat ensure structural integrity substituted flex cable stock pushrod/bellcrank arrangement drive elevator see sketch could argue cable mechanically positive works Granted modifications represent small weight savings again ounce saved back end also saves several ounces nose weight very cautious choose make modifications stabilizer because last thing want become flying wing middle flight probably would bother trying save weight making standard-size Legend fuselage fiberglass modified wing hold-down method bolt-on rubberband-on reasoning hard landings things should move bit rather break went flex cable rudder control stock pull-pull string arrangement fine hurry afraid try something new Also mod elevator drive mod area under wing completely open no strings solid pushrods easy ballasting As flying immediately impressed smooth effortless thermal turns Legend made minimal control input lot like polyhedral ship practice appreciate ease approach speed can varied match countdown big flaps let stop before final touchdown nail consistently good spot landings wing loading came out very light type plane 10 ozIsq ft great dead-calm morning air really need floatand no doubt helps super-slow spot landings As soon wind starts blow add ballast bring wing loading up 12 ozIsq ft really flies well weight impressive glide ratio becomes apparent heavier weight yet will still slow down good minimum sink wide wing chord center panel allows good kiting up towline Very high launches achieved downwind conditions summary consider Legends performance competitive design field thermallspot landing competition planes handling gentle would hesitate recommend persons first aileron plane F31 Aero-Tow Soaring Thats Item newly adopted provisional FAI Soaring event developed France over past 10 years event Scaleor scalelikeGliders 35 meters minimum wingspan Launching aero-towing event sounds bit strange first Im sure provides thrilling competition especially fans big Scale Gliders learued about F31 article Guy Revel June/July issue Silent Flight magazine SF below what Guy said about rules Basically rules call duration speed tasks arranged rounds rather like F3B However round comprises speed flight two duration flights Launch altitude 200 meters duration task 8-mm precision task landing within 40 x 20-meter rectangle giving extra 20 points bonus speed task calls four laps between two vertical planes 250 meters apart total distance kilometer measure exactly 200 meters altitude Glad asked tow plane carries altimeter telemetry link ground receiver has digital altitude Continued page 152 Other aircraft locators rely aircraft batteries OURS DOES NOT Miniature Flight Systems 503 Logan Rd Lynnwood WA 98036 206 76-9311 No hidden cost purchased connectors Includes Batteries 1 year WarrantySwitch Harness TRANSBUZZER$3.95 w/o connectors fails due CRASHwith connectors FIFS WILL replace itSpecify Manuf FREEOFCHARGEType ordering 10 ED 146 Model Aviation h bunch characters want smooth out next project Hobby Dealers Nationwide POBox 1247 St Charles IL 60174 708-584-7616 RC SoaringlBlakeslee Continued page 146 readout contest official watches readout tells competitor release Meanwhile during climb competitor informs tow-plane pilot wants towed order look lift get best position release Guy says power pilots enjoy satisfaction towing requires lot skill too good-sized contest will have six tow planes about 50 contestants Takeoff towing well-practiced routine requiring about minute complete climb 200 meters tow plane can get down take off again about 2 mm makes 3-mm launchcycle time speed task Guy says 45 sec good time record being 29 sec record time works out 77 mphwhich fairly well moving wants first try F31 States Silent Flight magazine now bimonthly Ive mentioned before much enjoy British Silent Flight magazine Because strong acceptance first Englishlanguage magazine devoted exclusively Soaring Electrics can now enjoy six times year instead four June July issue first new schedule new subscription rate $35 per year price $583 per copy seems like lot SF contains much interesting material youll find cost per reading hour actually pretty low SFs US subscription agent Wise Owl Worldwide Publications 4314 W 238th St Torrance CA 90505 Wise Owl also handles Argus Specialist Publications other model magazines RCM&E Aeromodeller Radio Modeller Radio Control Scale Aircraft Write subscription rates New F3J rules talking up Silent Flight magazine heres interesting news read Editor Dave Joness F3J Thermal column F3J FM provisional event man-on-man thermal duration flying hand-tow launching Ill summarize some Daves column Under new F3J rule will have two launch attempts second made time compromise between UK delegates preference status quo second launch within minute first original proposal would have allowed unlimited attempts What means practice depends upon weather its good no real change tactics Everyone will launch immediately usually some will fly out time However weather bad Continued page 154 152 Model Aviation 7 U Robart Ruff-N-Tuff Carbide Cutters nasty work quickly no complaints Cut through grind f clear out rough up sand down rip f smooth out guys carbide-quick cool never load up Wood fiberglass lexan plastic ceramics no modeling material scares Theyre quite abrasive bunch available variety shapes two different grits Robart Carbide Cutters rough bunch characters right can sure theyll never rub wrong way FOAM WINC CORES S U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL U POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS U IN STOCK FOR IMMEDIATE DELIVERY SO IF YOU HAVE S FAVORITE BIRD THAT NEEDS WING CALL DR LOTSOF ARFWINC CORES i U Dont trash after crash Phone 3O93423OO9U U Send $4SOforcatalog U ..s................ U U KYA4 MEG 306 E Simmons Galeshurg IL 61401 m m m mu nw UM 510 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINT QUART 00/0 Nttromethane 5% Nitromethane$325$495 10/o Nitramethane$395 15% Nitromethane$395$625 25/o Nitromethane$495$795 350/0 NitrDmethane$595$895 SIG PREMIUM 4-STROKE 10/o Nitromethane iSo/s Nitromethane GALLON $995 $1295 $1495 $1695 $2295 $2795 FUEL $1395 $1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge rselflPrices coOled chonge ecithoot notree See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 I U U I I I U U U U U U U U U U U I I I U I I I I I I I I I I I U U -9 U N U RC SoaringlBlakeslee Continued page 152 have new situation can go early give air try come relaunch arent happy what have multiple relaunch rule has flown local interclub events actually quite interesting spotter has determine whether time flown time left warrant second attempt tow man obviously has aware fliers performance stay up-field wait possible relaunch quite different makes interesting competition prospect frequent relaunches demands importance landing tape make smaller model normal 140 160in-span British Open-class GlidersBB advantage current thinking something around 35 meters such handful landing approach maneuverable enough get down fast relaunch F3J will given official status FAI class January 1 1993 providing two competitions run five different nations competing sure thing BB World Championships status has granted looks earliest date first World Champs likely 1996 4Pylon RacinglHager Continued page 61 wonderful day everyone great time event proved quite popular now discussion about having races regular basis would like thank everyone participated especially did fly people put forth extra effort needed flagmen pylon judges callers dedicated individuals backbone club Without races could have success Thanks Charlie report way about time getting ready years NMPRA Championship Race should great years race will held Crows Landing Modesto CA See next month Model Aviation LASSES d -.--100% UV Protection Shatterproof Excellent Optical Quality Tints Fit Over Prescriptions S Kys PO BOX 1000 DVMFRIES VA 22026 800-227-9318 U U Renew Two get Free AMA Identa-Card
Edition: Model Aviation - 1992/12
Page Numbers: 53, 54, 55, 145, 146, 152, 154
FLYING Klingberg Wing 100 Most Soaring enthusiasts familiar name Rollin Klingberg introduced original Klingberg Wing kit 1988 under Future Right company name Its TwoMeter flying wing one-piece conven tional balsa rib/spruce spar construction kit immediately popular Rol has sold thousands Rol thought also place market really high-performance flying wing Early year see January 1992 column brought out Klingberg Wing 100 100-in-span design quite step up both flight performance construction ease transport Wing 100 builds 30-in center section plug-on 35-in tip panels kit very nicely done much prefabrication has one-piece balsa sheeting beautifully cut white foam cores die-cut ply parts complete hardwareincluding arrow-shaft aileron hinges Finishing film covering choice original Wing kit lists $60 discounts $40 price its something can pick up less impulse purchase new Wing 100 kit lists $220 discounts about $150 puts up couple steps price category Might require checking spouse balance checking account get word out Rol has model magazine Soaring editors have go Wing 100 Also Rol figured Id suitable guinea pig because have absolutely zero experience RC flying wings As kid Jasco Thermic Towline Glider flying wing hardly counts Wing 100 arrived big box complete Airtronics Module radio fly Wing need least radio V-tail mixer because elevons work like V-tail ie go up down together elevator work opposite other aileron Wing 100 also has flaps mounted center section piece de alsistance sliding nose weight inflight CU changing sliding weight receiver battery pack plus nose weighta clever idea total Wing requires four servos nights charge batteries out nearby pasture some flights having much idea what expect thought myself Rols funeral spooled up winch heaved Amazing towed perfectly straight although climb angle Id like see Off tow Wing scooted around field high rate speed. fact too fast speed L/D wasnt too hot Up elevator trim helped still Wing behaved like classic case nose-heaviness moved hook back contemplated removing some nose weight wishing mess too much Rols setup thinking fields 6200-ft elevation might causing some trim problems called Rol explained symptoms said purposely set Wing nose-heavy IR ADIO CONTROL make easier fly Easy wasbut exactly contender Thermal Duration competition either chance Rol planning move Denver during home-search trip chance fly together Rol also brought another brand-new Wing 100 us try rebalanced Wing flown removing several ounces nose weight flew fine glide about like youd expect good Standard-class ship although bit faster new Wing lighter flew better Thermals popping found little problem skying Wing out visual limits Handling positive both pitch roll Thermaling techniques same use regular Gliders found Wing responded lift climbed quite nicely Wing 100 should great fun Slope Soaring well problem Rol warued about visual orientation took some extra concentration keep track way going Rol says get used after summary short flying sessions found Wing 100 fun SOARING interesting experience think ship will appeal primarily two groups certified flying wing specialists Glider fliers have yen something completely different About time read Rol should moving Denver should able reach him through former address Future Flight 1256 Prescott Ave Sunnyvale CA 94089 mber 1992 53 Rollin Klingberg Klingberg Wing 100 flying-wing Sailpianes Kit produced Rollins Future Flight firm Wing 100 performs well fast flier info text Photos snapped Blakeslee Colorado flying field GLIDER HEAVEN New winch Hobby Lobby HL importing new 12-volt winch Graupner Gennany Actually Jim Martin tells winch made Poland dont let Eastern Bloc rap influence youthey make excellently crafted stuff complete winch setup sells $397 Coming Graupner worlds biggest hobby company can sure its Mercedes Benz winches HLs description Powerful enough pull heavy fourmeter Sailplanes altitude component machine designed scratch used Sailplane winch motor fully sealed against dirt robust foot switch has huge cleanable contact points drum smooth no crevices catch line cables have clamping connectors fasten 12-volt automobile battery Output two horsepower Towing speed 20 40 feet per second Included 1300 feet 12mm towline four anchoring pins turnaround pulley Hobby Lobbys new catalog #20 has dozens other new items mostly Europe Its first-class wishbook can get free copy calling 615 3731444 write 5614 Franklin Pike Cir Brentwood TN 37027 Airtronics Legend Bob McGowan Bobs article first appeared Thermal Tales newsletter Diablo Valley SS N California Its always interesting 54 Model Aviation Graupner heavy-duty winch imported Hobby Lobby parts winch specially designed make first-class Sailplane launching system Pratt-Read LB-i 4-scale model made Donald Hobel permanent display National Soaring Museum Harris Hill Elmira New York Photograph sent Fran Ptaszkiewicz Sailpianers should plan see NSM Elmira area APPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90510 MINI ER ADJUSTABI.E TENSION HAND BELT SANDER FIRMLY HOLDS PARER FOR EASIER SANDING Padded Ilata aid calve Handy Ii Held EasytaUse$295 MINI-STRIPS PRECISION DIE-CUT Media Garnet SAVES TIMCEMENTlisa Garnet AND EFFORT $210 SANDING BELTS AmId Water Preet TEE ALUMINUM EXTRUSION SANDING BLOCK hr em wRIt RUFF4TUFF Sell-adhesIve sand paper Large Tue Sedate Wee Wear Del 11 Inch $300 .. Handyte Use22 lath $450 eems RUFF F SELF ADHESIVE SHEET SANDMPER MAKE YOUR OWN SPECIAL SANDING SHAPES Easy Use Ne messy ghae er dryIng time Medlem Flee r FIne $140 MINI4i SAW $1000 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw km ragged dIn-test framO wm temleitahle chip-preet plastic sell knedle RecedIng ama ad Jastahie B Made glees geed werts attess Cats weed plastic metal HARDENED MUSIC WIRE extra blades 3/$2 25 Add 20% postage Send 50 catalog learn what top fliers thinking about during building flying airplanes So over Bob latest addition arsenal contest ships Airtronics Legend dubbed Little Legend 1991 Fall Soaring Festival because cut wingspan down 100 stock 113 BB Ill give little review kit offer some insight modifications chose make 100-in ship about right size like increased maneuverability smaller ship mainly fun loops-n rolls also believe can advantage landing circle under lessthan-perfect wind conditions fun its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Mauzella SHIPPED WITHIN 24 HRS 1387 N Miltary Yrail West Palm Beach FL 33409 407-688-0669 criteria Id probably fly Two-Meter Hand-Launch-size ship exclusively like competitive contest circuit need better soaring performance little bit larger ship High launches pnme concern competition Its opinion must get highest equal highest launch field keep being psychological disadvantage could argue paper super L/D really big ship will make up getting just average launch height nothing can replace instant confidence get towering zoom launch Given power available standard 12-volt winches minimal stretch typical heavy braided lines IIjIIIIIUJ II Electric Vacuum Bagging System Foam Core Wings $7495 Corn plete Easy Use AdcI png & horidsg Cddornto residents odd soles tax Send $300 infomation package Dealer Inquiries Invited VIFA nns-V Mntesrnrc1 Acceuntad relatively short approx 200-meter line lengths normally find Northern California contests believe give up potential launch height planes span over 100 Thats probably little too general statement its rule thumb currently use standard-size Legend undoubtedly best compromise people personally Im willing sacrifice little soaring performance based above reasoning aggressive flying launching styles try use Besides size Im always ready Standard class 100 max Nats Continued page 145 SUPER CHEETAHUNBREAKABLE FUSELAGE Span 64 inI Area 496 sq Loading 1045 ozisq ft Weight 34 oz approx $5295 Plus Tax & Shipping Slope Acrobatic/Combat Gliders CHEETAH MODELS 14725 Bessemer St B Van Noys CA 91411 DEALER INQUIRY IN VI TED 818 781-4544 December 1992 55 nUDDI SUPER STORE lIo maimtt Itaimig Resonnlzed ____ CSA Cslf ledAedensee Pile NoFile NoPomer E26220 LR251 54Poduob fec Only certified checks money orders accepted Minimum order fld00forthteepackagesofd PomerpoleslfdO0perpackoge shipping handlinel cT residents add sales tax Prices subject chonge notice DEALER INQUIRIES INVITED further informotion dealer prices send SASh Business Cord SERMOS RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 RC Soaring/Blakeslee Continued page 55 kit typical Airtronics beginners dont know what mean Airtronics quality has become measure excellence kit industry wood very good quality kit very complete hardware provided very good instruction manual complete detail could boring veteran builder mean compliment Airtronics cut Legends span down 100 compressed rib spacing aileron panels make shorter 6 center section standard small wing tip panels /2 shorter total length 2-in block added very end ribs tip panels compressed yield greater taper rounded tip shape plans call dont expect performance increase just like looks better wing conventional built-up construction carbon-fiber-reinforced spar Its nice see still competitive option dont want build foam-core wing Legends wing structure designed very strong zoom launching understand Airtronics has made change latest kits include additional shear webs between spars span whole aileron panel sure add have early kit because extra webbing wing could fluttered Another thing watch carefully center section spar height spar completely built before wing assembled around sand spar down slightly before laminating carbon-fiber caps else spar would have exactly matched height ribs couple easy mods made wings added structural insurance first wrapping wing rod joiner boxes Keviar thread good idea design second adding 8-in spruce subspar against balsa trailing edge very center wing figured during dork landing crash two coruers flap cutouts meet solid portion center section trailing edge would under lot stress Making structural modifications good design such Legend can get trouble always careful two modifications made added strength although could argue may unnecessary overkill neither will add much weight easy get plane too heavy trying beef up structure think out carefully Going other direction removing structure save weight really devastating mistakes can occur made mistake Legend shortened -in steel wing rods join tips three-piece wing design effort save very small insignificant amount weight paid price wing panels blew off during zoom launch important contest Legends tail feathers built-up wood construction like wing match smaller wing size made elevator horizontal stabilizer little smaller chopped 1 top vertical fin also rounded stab tip shape pleasing eye knew less wing area would have really watch Little Legends weight effort keep wing loading pleasantly light stock kit area could see entire design weight could saved counting bright idea wing rods significantly compromising strength tail feathers fin post elevator control mechanism eliminated almost spruce Legends rear end substituted balsa same time reader-written publication about RIG soaring dedicated sharing technical educational information theory practical application $19 Bulk/Third Class $26 First Class Outside USA Please write R/C Soaring Digest PO Box 2108 Wylie TX 75098-2108 December 1992 145 AMA MEMBERS Come fly us andSAVE 50% 6 Months 12 Issues THE NATIONAL HOBBY CLASSIFIEDS Join Today Only $1050 12 Bi weekly Issues $13 Value send us ad would like place anything hobby related want Buy Sell Swap well Print Free $800 Value count Name City State & Phone part 25 words Theyre Always FREE Engines Radios Kits Tools Collectibles-Everything Its goal create largest Network Hobbyists Nationwide Please print Ad & personal info separate sheet send payment INFOLIT PUB 156 5 Highland Ave Ste No 122 Ossining NY 10562 help deter Mail Fraud Complete Address & Phone must supplied us records BUILD*CD*MODELS Worlds Grestost TrseSsole PIn VsrietvF___ * GIANT SIZE MODEL PLANS ReRIIAR DUIIdHrN Ue T6eeSho9ldnt YeN MASTER MOTELS, URT JURO JENNYTSR54 SIROR UMPRIR S38 $42 URT AUTO JENNY $52 TO NORTHROP GAMMA $50 59 TUE FlOOR P12 $44 $6 NORTHRUP GAMMA OUR * RU RUE FIUOTTIRE$THCUSRINULUWWRMOAR IC ISNSRA24K EUC$THURSTIN LUWWSMTRY 52 IF-ART PURA [NRATARSNA CURTIS P36* ETA$34A~6J8AI* RU CIRAT SHRINE H$45 IA CURTIS P4AU ETHOTT T. 53 Nor FIURT EHA S$44ST NeT LEOPARO UTT$46 TA ROE EIGHT TTRR$44 TILUREISS NE 4 TN NSEINA 9$ TUL$42$2 CUTRSU NC 4 9A$64 TA EARNER N-A ERR$5294 CURTISS NE 4$49 STARE 247 TRANS PTOUR51 TRUNARNRC AIRT$04 RU NUE UUR TRANS PR$50NT RAWER RIND ER A$45 TO WUCO C CUTIN P.$42CT UNA LUEN SIRUGOUR 142 TAn COMET RUCERTARAR AURLES ANN-BEE$44 NA OUUG TRANS NE-ANRA[N RAW RACE PETE$46 AS TOUR TRANO AC-A$42TI CURT HAWK PT$4R AR RRAN PRIMARY TROUT64 CURT SPRWK E CA$4R TUPEARAA1NSPENDGTR$45RH LOCEREENREAROZA SR LOUT GETAN06449 DOOUTL GEE TLE04$ SE GRUTAN GLEHAWR$6444 MONOCRA SPTRTNRA TO VGT CORSAIT E4N$4S44 ARE EIGHT P46$42 SSNAMUSTANOP$1N$46HA HOWUT MACdOUR$42 NA OHM ATENGER RAE$42[N REP TOOLT P4 55 NA MURTANG PSIT$4464 SAPERM SPITE TE$44 ST PIPER 4-4 CUB$2628 FOCUE 4N541E P76 RN PIPER REUN$4R28 GRUMMAN WiLDCATS2R TRPIPERL4C08 *$46STGRUMMANWTLNORTOUR* rR 54 LANE SILURIHE$42[N MITNUTINK ZERA TA LGNTMRNLOAITE$46[N GRAM AOENRET TRE$44 $7 TOETTLEMITEUL TOR$424$ LOCK HUDRAN BAT$42 K$GTR7HAARTJI TNT$46SIGRUMRELTCATEOF$40 $4 MAA-A4GTAAA RAE$58TI NON FLY PART 617NRA TO NOPRUTH PUP 6TH$46RAN AMER NAVIAN$42. 61 CART ROBIN IOTNI$48TINEECUBONANZK$44 142 ENRT BONN IORNI$6464 LRGCOMBE SEDAN$64 SOPIATTH DALPAINTAR4$ UCH-CANROL METO$47 42 FLEET SPURT TNR$2641 ATRUR MOSOUITO636 ST HEATH RA8R NULL$454$ STEUR KAYDET 17$34 SRCTTGAMOAUIH$44[NNBLKRNINAWPNI04R 42 2 FLYING BATHTUB$46HE N ALK WIDOW ENI *$40 HE ART RPRPA7NUIT$4044 ALBARRAS NUNOH$40 WTAOSPARAOLOl$4NH6PPALZ$CTRRDIII$40 54 CR87 WRIGHR 16$2835 0000 OR S RHUNS$44 $2 RAIGYOL BULLOOG$4247 OROT NC S TRANS$40* SR ARM BEURERT FOE$3444 AAWKR TEXACO 13OUR 34 WET$WMN BED LN$40IA [TEN C-2 AMPEIB$47 47 CUT SEARAWK ETEI$44NE LOCK AIR EUPHESS$40 HS DOE 164 NPTBR$48GA ERR SENHAWR ERCIRAT 45STINSALTWW$48R4CARSEAHAWRETCIINS* $2 CTN CAHUANA PER04H48 AL GLMATTT ECH$42 3$ RAIRAPT WAW RU$2444 ONTARAS $0211$4C UT MART CHINA ELPA$5541 FAIRCHILD 71W$4C C SR FAIKCRILT PRAKTAR4RWA OH EAIHCRILN PTIR Hf OaROR WE NB JANREB$JRH8HS$44$1 UT RHWACOAPIGHHRASHAS LU ATI SRIO STIR OTRITIIPHITT B RDNGPAETETNCSTO04THIIII100IBIIBIBT8 WITTIRTlO BOA B RBBTIRSTTTIIPN2S4DDIIT4TITK THIITARTTO8 II 644 IT DIaRS KHIR TA HORAITA ITEIIIdOO TNBH BIT 04104 TRIUNe AR DIRT SIT IA HAIR RATDBIIAAK 04116 016016 DITSAKBSS0II1NIHIHHH HT4609BNIATIIKNAII4TITIRH0RIBTIIHI THTIRR HA RHITH 6TBN r 7004 RITRATIB AS ReAl IA D1RIAIHDBHTS ISRIBEIIEBI lolosall 11674 IIIR4ANTN11TNBA0CKTTHTAW88BITHII10HAIII0IH64B1BI $3 1110008 11587 ITAIIABS HI IsTIRHI 00411 lATH TAN RB SHAH 17 0600105 HT4TR7AITdEAEHSITTRTAII40HB1 FdaAlapd T PME6TPd 4 1C2 WORLDS GREATEST TRUE SCALE PLANS VARIETY MANY 100$ MORE DESIGNS OSIZESAVAILABLE HACR7TBICRAP8YSW$60 T3EH1 RONI 4 NCS$SK 104 CAl. CUR P675W $24 $2 KOITHIO KHR8 168$45 HR WTTNINRIIpBTRT $56 72 BRAi7H B17G 1e1$52 WW71TI2I RdL $56 IA3Roo AIRO RRII.$65 TPWWTI2I 01100 56208 070$ O4AAON.$46 BA T7AIo1 07 II$49 TH 507 5 ST A.pII$G$ AA IIATA,I Pt, A,, $42 GA GA, lIlA SI,I $AA ZR BopI 56 HO RoT ITO UpAll $62 AO SRP0IT1H1TT SOB $3B HA SITHANHA 1070562 8RSRpT7IIoolT SOB $5240 $4HIT7 74 T4M 1552 AS CAll IHok PAT $56 TH H P$T 0400 Boo6$56 RAE, H04L PAE RI 56B IT RP4 TAOR B0IIR$65 AS Tockhed Vs40$35 AS $4CT70 ClIppeR $66 74 NATIjIIIeT GB II $50HR $4 ChIT6 CIippe $60 RU 64TllT86oP SpHI $54AU 1728611 TIhoIoI1d $43 80 Hell Np ToIldog 55$AT BROT NOTIKO $46 ID7AoAIooCSSpl$4$A8ABHRIHRAOVTeA $44 Al 6674146 DSB06534? NRR0176B STdH7 $35 BAARIOT ASB 06$S$iSA $41164 Ro,6 $62 62 P04T6 CR11 BHRTISNOAS NT 640004111 BOGSA$ 64007 RIO Beo4$AO81 TH $40610110 Rb $5D 7R64111T16 THTARRA$$$IKBOHNKT9oBoHAT6S R3 Ce GeNI II IC$$4BRB SlOe PTIPKHpATI$$9 *aGAUR. CAR Go46 El CS $60 NBA GRIdORe PAl $75 $AORe,CeeTI Rol $4471 DHRH NCS 11611 $50 42 HeM MoIIgol $44RS Dooo 6C3 TIT. $64 HA To, MI MoIIiTaIl$56AU Toek Teeoo IS$52 63R6&7H P504 P11$45lO0CoA2AI/4 T&T$60 82 BTT17$ PSAA Ill $50 60 Booglo 745 MaiI$52 AR 1006 CA C767 $44 AT BIiTIoI AoIIdog R11$44 B 5484 $44 OR BIRRT7RK4TGK11EA $48 BSIOT$56SORGo, BTTITIPBE$58 16111053073 707111 AROD 534 B5 LoT4 II EIeTIIT$46IOMHII $401 ReRe$38 AS 017687 6 SR SB$45RI Ei7dbelg NO211540 ______________RI SITTOR 6310 5B7$55106 FoI44PTIR TI $65 SNToo T 105R7$66HA WOT7T0pelWiTg$62 12B 532 75 VRT1Id 171107481538 P2B 544 IAN 101111114 Nyeede$52 ITS B 550 57 b4 ECITII AAT $46 idlE PTReNpTR $56 7NRHIdTIiITII4AT $65 OS $OpodeI RISES $36 114 Fold TOOII 4AT $22 SA CR1 100146 P40 $26 TA RRII30711 TIAS $52 74 P38545 RS ETTRIIR C OWoph$6S 1111 Ao$30 STGRRI42F WllPb $50 7T GIRT J2R TORI $68 Cob $52 SR 00110 G IA Boo $32 07 Bo6$48 11700140 GlVTT7SbO HTIIIHI$4O 68 TROTRARITIIIA Rid 545 81 MRIOSS2 54 Eel TOiHI TPRS4 535 IRTeOSeET *PIIRR11HIRAIeTIIRRhHHOT TZ09N..T6A EN INRIERREB RE OTEEB Alto CIUCR PLOTUR *NT - MOAT SOT UT 122 PTRA TI100E9 1711 Aol TIlAppiR9 & IRA. elT. 10 & MeT EIReThTRR 116 T54 25 4 Ri71 IRS 5200 1RRI0dRT Pke LiRI FliT8 1117 7010011 TE CIA HOle 9E 0445173 CLEVELAND MODEL &SUPPLY Co B BAN BOlT ARECLERELAND OHIO 44162 3RPM[ST AEADST141TTTA ITAJO modified stabilizer somewhat ensure structural integrity substituted flex cable stock pushrod/bellcrank arrangement drive elevator see sketch could argue cable mechanically positive works Granted modifications represent small weight savings again ounce saved back end also saves several ounces nose weight very cautious choose make modifications stabilizer because last thing want become flying wing middle flight probably would bother trying save weight making standard-size Legend fuselage fiberglass modified wing hold-down method bolt-on rubberband-on reasoning hard landings things should move bit rather break went flex cable rudder control stock pull-pull string arrangement fine hurry afraid try something new Also mod elevator drive mod area under wing completely open no strings solid pushrods easy ballasting As flying immediately impressed smooth effortless thermal turns Legend made minimal control input lot like polyhedral ship practice appreciate ease approach speed can varied match countdown big flaps let stop before final touchdown nail consistently good spot landings wing loading came out very light type plane 10 ozIsq ft great dead-calm morning air really need floatand no doubt helps super-slow spot landings As soon wind starts blow add ballast bring wing loading up 12 ozIsq ft really flies well weight impressive glide ratio becomes apparent heavier weight yet will still slow down good minimum sink wide wing chord center panel allows good kiting up towline Very high launches achieved downwind conditions summary consider Legends performance competitive design field thermallspot landing competition planes handling gentle would hesitate recommend persons first aileron plane F31 Aero-Tow Soaring Thats Item newly adopted provisional FAI Soaring event developed France over past 10 years event Scaleor scalelikeGliders 35 meters minimum wingspan Launching aero-towing event sounds bit strange first Im sure provides thrilling competition especially fans big Scale Gliders learued about F31 article Guy Revel June/July issue Silent Flight magazine SF below what Guy said about rules Basically rules call duration speed tasks arranged rounds rather like F3B However round comprises speed flight two duration flights Launch altitude 200 meters duration task 8-mm precision task landing within 40 x 20-meter rectangle giving extra 20 points bonus speed task calls four laps between two vertical planes 250 meters apart total distance kilometer measure exactly 200 meters altitude Glad asked tow plane carries altimeter telemetry link ground receiver has digital altitude Continued page 152 Other aircraft locators rely aircraft batteries OURS DOES NOT Miniature Flight Systems 503 Logan Rd Lynnwood WA 98036 206 76-9311 No hidden cost purchased connectors Includes Batteries 1 year WarrantySwitch Harness TRANSBUZZER$3.95 w/o connectors fails due CRASHwith connectors FIFS WILL replace itSpecify Manuf FREEOFCHARGEType ordering 10 ED 146 Model Aviation h bunch characters want smooth out next project Hobby Dealers Nationwide POBox 1247 St Charles IL 60174 708-584-7616 RC SoaringlBlakeslee Continued page 146 readout contest official watches readout tells competitor release Meanwhile during climb competitor informs tow-plane pilot wants towed order look lift get best position release Guy says power pilots enjoy satisfaction towing requires lot skill too good-sized contest will have six tow planes about 50 contestants Takeoff towing well-practiced routine requiring about minute complete climb 200 meters tow plane can get down take off again about 2 mm makes 3-mm launchcycle time speed task Guy says 45 sec good time record being 29 sec record time works out 77 mphwhich fairly well moving wants first try F31 States Silent Flight magazine now bimonthly Ive mentioned before much enjoy British Silent Flight magazine Because strong acceptance first Englishlanguage magazine devoted exclusively Soaring Electrics can now enjoy six times year instead four June July issue first new schedule new subscription rate $35 per year price $583 per copy seems like lot SF contains much interesting material youll find cost per reading hour actually pretty low SFs US subscription agent Wise Owl Worldwide Publications 4314 W 238th St Torrance CA 90505 Wise Owl also handles Argus Specialist Publications other model magazines RCM&E Aeromodeller Radio Modeller Radio Control Scale Aircraft Write subscription rates New F3J rules talking up Silent Flight magazine heres interesting news read Editor Dave Joness F3J Thermal column F3J FM provisional event man-on-man thermal duration flying hand-tow launching Ill summarize some Daves column Under new F3J rule will have two launch attempts second made time compromise between UK delegates preference status quo second launch within minute first original proposal would have allowed unlimited attempts What means practice depends upon weather its good no real change tactics Everyone will launch immediately usually some will fly out time However weather bad Continued page 154 152 Model Aviation 7 U Robart Ruff-N-Tuff Carbide Cutters nasty work quickly no complaints Cut through grind f clear out rough up sand down rip f smooth out guys carbide-quick cool never load up Wood fiberglass lexan plastic ceramics no modeling material scares Theyre quite abrasive bunch available variety shapes two different grits Robart Carbide Cutters rough bunch characters right can sure theyll never rub wrong way FOAM WINC CORES S U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL U POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS U IN STOCK FOR IMMEDIATE DELIVERY SO IF YOU HAVE S FAVORITE BIRD THAT NEEDS WING CALL DR LOTSOF ARFWINC CORES i U Dont trash after crash Phone 3O93423OO9U U Send $4SOforcatalog U ..s................ U U KYA4 MEG 306 E Simmons Galeshurg IL 61401 m m m mu nw UM 510 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINT QUART 00/0 Nttromethane 5% Nitromethane$325$495 10/o Nitramethane$395 15% Nitromethane$395$625 25/o Nitromethane$495$795 350/0 NitrDmethane$595$895 SIG PREMIUM 4-STROKE 10/o Nitromethane iSo/s Nitromethane GALLON $995 $1295 $1495 $1695 $2295 $2795 FUEL $1395 $1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge rselflPrices coOled chonge ecithoot notree See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 I U U I I I U U U U U U U U U U U I I I U I I I I I I I I I I I U U -9 U N U RC SoaringlBlakeslee Continued page 152 have new situation can go early give air try come relaunch arent happy what have multiple relaunch rule has flown local interclub events actually quite interesting spotter has determine whether time flown time left warrant second attempt tow man obviously has aware fliers performance stay up-field wait possible relaunch quite different makes interesting competition prospect frequent relaunches demands importance landing tape make smaller model normal 140 160in-span British Open-class GlidersBB advantage current thinking something around 35 meters such handful landing approach maneuverable enough get down fast relaunch F3J will given official status FAI class January 1 1993 providing two competitions run five different nations competing sure thing BB World Championships status has granted looks earliest date first World Champs likely 1996 4Pylon RacinglHager Continued page 61 wonderful day everyone great time event proved quite popular now discussion about having races regular basis would like thank everyone participated especially did fly people put forth extra effort needed flagmen pylon judges callers dedicated individuals backbone club Without races could have success Thanks Charlie report way about time getting ready years NMPRA Championship Race should great years race will held Crows Landing Modesto CA See next month Model Aviation LASSES d -.--100% UV Protection Shatterproof Excellent Optical Quality Tints Fit Over Prescriptions S Kys PO BOX 1000 DVMFRIES VA 22026 800-227-9318 U U Renew Two get Free AMA Identa-Card
Edition: Model Aviation - 1992/12
Page Numbers: 53, 54, 55, 145, 146, 152, 154
FLYING Klingberg Wing 100 Most Soaring enthusiasts familiar name Rollin Klingberg introduced original Klingberg Wing kit 1988 under Future Right company name Its TwoMeter flying wing one-piece conven tional balsa rib/spruce spar construction kit immediately popular Rol has sold thousands Rol thought also place market really high-performance flying wing Early year see January 1992 column brought out Klingberg Wing 100 100-in-span design quite step up both flight performance construction ease transport Wing 100 builds 30-in center section plug-on 35-in tip panels kit very nicely done much prefabrication has one-piece balsa sheeting beautifully cut white foam cores die-cut ply parts complete hardwareincluding arrow-shaft aileron hinges Finishing film covering choice original Wing kit lists $60 discounts $40 price its something can pick up less impulse purchase new Wing 100 kit lists $220 discounts about $150 puts up couple steps price category Might require checking spouse balance checking account get word out Rol has model magazine Soaring editors have go Wing 100 Also Rol figured Id suitable guinea pig because have absolutely zero experience RC flying wings As kid Jasco Thermic Towline Glider flying wing hardly counts Wing 100 arrived big box complete Airtronics Module radio fly Wing need least radio V-tail mixer because elevons work like V-tail ie go up down together elevator work opposite other aileron Wing 100 also has flaps mounted center section piece de alsistance sliding nose weight inflight CU changing sliding weight receiver battery pack plus nose weighta clever idea total Wing requires four servos nights charge batteries out nearby pasture some flights having much idea what expect thought myself Rols funeral spooled up winch heaved Amazing towed perfectly straight although climb angle Id like see Off tow Wing scooted around field high rate speed. fact too fast speed L/D wasnt too hot Up elevator trim helped still Wing behaved like classic case nose-heaviness moved hook back contemplated removing some nose weight wishing mess too much Rols setup thinking fields 6200-ft elevation might causing some trim problems called Rol explained symptoms said purposely set Wing nose-heavy IR ADIO CONTROL make easier fly Easy wasbut exactly contender Thermal Duration competition either chance Rol planning move Denver during home-search trip chance fly together Rol also brought another brand-new Wing 100 us try rebalanced Wing flown removing several ounces nose weight flew fine glide about like youd expect good Standard-class ship although bit faster new Wing lighter flew better Thermals popping found little problem skying Wing out visual limits Handling positive both pitch roll Thermaling techniques same use regular Gliders found Wing responded lift climbed quite nicely Wing 100 should great fun Slope Soaring well problem Rol warued about visual orientation took some extra concentration keep track way going Rol says get used after summary short flying sessions found Wing 100 fun SOARING interesting experience think ship will appeal primarily two groups certified flying wing specialists Glider fliers have yen something completely different About time read Rol should moving Denver should able reach him through former address Future Flight 1256 Prescott Ave Sunnyvale CA 94089 mber 1992 53 Rollin Klingberg Klingberg Wing 100 flying-wing Sailpianes Kit produced Rollins Future Flight firm Wing 100 performs well fast flier info text Photos snapped Blakeslee Colorado flying field GLIDER HEAVEN New winch Hobby Lobby HL importing new 12-volt winch Graupner Gennany Actually Jim Martin tells winch made Poland dont let Eastern Bloc rap influence youthey make excellently crafted stuff complete winch setup sells $397 Coming Graupner worlds biggest hobby company can sure its Mercedes Benz winches HLs description Powerful enough pull heavy fourmeter Sailplanes altitude component machine designed scratch used Sailplane winch motor fully sealed against dirt robust foot switch has huge cleanable contact points drum smooth no crevices catch line cables have clamping connectors fasten 12-volt automobile battery Output two horsepower Towing speed 20 40 feet per second Included 1300 feet 12mm towline four anchoring pins turnaround pulley Hobby Lobbys new catalog #20 has dozens other new items mostly Europe Its first-class wishbook can get free copy calling 615 3731444 write 5614 Franklin Pike Cir Brentwood TN 37027 Airtronics Legend Bob McGowan Bobs article first appeared Thermal Tales newsletter Diablo Valley SS N California Its always interesting 54 Model Aviation Graupner heavy-duty winch imported Hobby Lobby parts winch specially designed make first-class Sailplane launching system Pratt-Read LB-i 4-scale model made Donald Hobel permanent display National Soaring Museum Harris Hill Elmira New York Photograph sent Fran Ptaszkiewicz Sailpianers should plan see NSM Elmira area APPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90510 MINI ER ADJUSTABI.E TENSION HAND BELT SANDER FIRMLY HOLDS PARER FOR EASIER SANDING Padded Ilata aid calve Handy Ii Held EasytaUse$295 MINI-STRIPS PRECISION DIE-CUT Media Garnet SAVES TIMCEMENTlisa Garnet AND EFFORT $210 SANDING BELTS AmId Water Preet TEE ALUMINUM EXTRUSION SANDING BLOCK hr em wRIt RUFF4TUFF Sell-adhesIve sand paper Large Tue Sedate Wee Wear Del 11 Inch $300 .. Handyte Use22 lath $450 eems RUFF F SELF ADHESIVE SHEET SANDMPER MAKE YOUR OWN SPECIAL SANDING SHAPES Easy Use Ne messy ghae er dryIng time Medlem Flee r FIne $140 MINI4i SAW $1000 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw km ragged dIn-test framO wm temleitahle chip-preet plastic sell knedle RecedIng ama ad Jastahie B Made glees geed werts attess Cats weed plastic metal HARDENED MUSIC WIRE extra blades 3/$2 25 Add 20% postage Send 50 catalog learn what top fliers thinking about during building flying airplanes So over Bob latest addition arsenal contest ships Airtronics Legend dubbed Little Legend 1991 Fall Soaring Festival because cut wingspan down 100 stock 113 BB Ill give little review kit offer some insight modifications chose make 100-in ship about right size like increased maneuverability smaller ship mainly fun loops-n rolls also believe can advantage landing circle under lessthan-perfect wind conditions fun its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Mauzella SHIPPED WITHIN 24 HRS 1387 N Miltary Yrail West Palm Beach FL 33409 407-688-0669 criteria Id probably fly Two-Meter Hand-Launch-size ship exclusively like competitive contest circuit need better soaring performance little bit larger ship High launches pnme concern competition Its opinion must get highest equal highest launch field keep being psychological disadvantage could argue paper super L/D really big ship will make up getting just average launch height nothing can replace instant confidence get towering zoom launch Given power available standard 12-volt winches minimal stretch typical heavy braided lines IIjIIIIIUJ II Electric Vacuum Bagging System Foam Core Wings $7495 Corn plete Easy Use AdcI png & horidsg Cddornto residents odd soles tax Send $300 infomation package Dealer Inquiries Invited VIFA nns-V Mntesrnrc1 Acceuntad relatively short approx 200-meter line lengths normally find Northern California contests believe give up potential launch height planes span over 100 Thats probably little too general statement its rule thumb currently use standard-size Legend undoubtedly best compromise people personally Im willing sacrifice little soaring performance based above reasoning aggressive flying launching styles try use Besides size Im always ready Standard class 100 max Nats Continued page 145 SUPER CHEETAHUNBREAKABLE FUSELAGE Span 64 inI Area 496 sq Loading 1045 ozisq ft Weight 34 oz approx $5295 Plus Tax & Shipping Slope Acrobatic/Combat Gliders CHEETAH MODELS 14725 Bessemer St B Van Noys CA 91411 DEALER INQUIRY IN VI TED 818 781-4544 December 1992 55 nUDDI SUPER STORE lIo maimtt Itaimig Resonnlzed ____ CSA Cslf ledAedensee Pile NoFile NoPomer E26220 LR251 54Poduob fec Only certified checks money orders accepted Minimum order fld00forthteepackagesofd PomerpoleslfdO0perpackoge shipping handlinel cT residents add sales tax Prices subject chonge notice DEALER INQUIRIES INVITED further informotion dealer prices send SASh Business Cord SERMOS RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 RC Soaring/Blakeslee Continued page 55 kit typical Airtronics beginners dont know what mean Airtronics quality has become measure excellence kit industry wood very good quality kit very complete hardware provided very good instruction manual complete detail could boring veteran builder mean compliment Airtronics cut Legends span down 100 compressed rib spacing aileron panels make shorter 6 center section standard small wing tip panels /2 shorter total length 2-in block added very end ribs tip panels compressed yield greater taper rounded tip shape plans call dont expect performance increase just like looks better wing conventional built-up construction carbon-fiber-reinforced spar Its nice see still competitive option dont want build foam-core wing Legends wing structure designed very strong zoom launching understand Airtronics has made change latest kits include additional shear webs between spars span whole aileron panel sure add have early kit because extra webbing wing could fluttered Another thing watch carefully center section spar height spar completely built before wing assembled around sand spar down slightly before laminating carbon-fiber caps else spar would have exactly matched height ribs couple easy mods made wings added structural insurance first wrapping wing rod joiner boxes Keviar thread good idea design second adding 8-in spruce subspar against balsa trailing edge very center wing figured during dork landing crash two coruers flap cutouts meet solid portion center section trailing edge would under lot stress Making structural modifications good design such Legend can get trouble always careful two modifications made added strength although could argue may unnecessary overkill neither will add much weight easy get plane too heavy trying beef up structure think out carefully Going other direction removing structure save weight really devastating mistakes can occur made mistake Legend shortened -in steel wing rods join tips three-piece wing design effort save very small insignificant amount weight paid price wing panels blew off during zoom launch important contest Legends tail feathers built-up wood construction like wing match smaller wing size made elevator horizontal stabilizer little smaller chopped 1 top vertical fin also rounded stab tip shape pleasing eye knew less wing area would have really watch Little Legends weight effort keep wing loading pleasantly light stock kit area could see entire design weight could saved counting bright idea wing rods significantly compromising strength tail feathers fin post elevator control mechanism eliminated almost spruce Legends rear end substituted balsa same time reader-written publication about RIG soaring dedicated sharing technical educational information theory practical application $19 Bulk/Third Class $26 First Class Outside USA Please write R/C Soaring Digest PO Box 2108 Wylie TX 75098-2108 December 1992 145 AMA MEMBERS Come fly us andSAVE 50% 6 Months 12 Issues THE NATIONAL HOBBY CLASSIFIEDS Join Today Only $1050 12 Bi weekly Issues $13 Value send us ad would like place anything hobby related want Buy Sell Swap well Print Free $800 Value count Name City State & Phone part 25 words Theyre Always FREE Engines Radios Kits Tools Collectibles-Everything Its goal create largest Network Hobbyists Nationwide Please print Ad & personal info separate sheet send payment INFOLIT PUB 156 5 Highland Ave Ste No 122 Ossining NY 10562 help deter Mail Fraud Complete Address & Phone must supplied us records BUILD*CD*MODELS Worlds Grestost TrseSsole PIn VsrietvF___ * GIANT SIZE MODEL PLANS ReRIIAR DUIIdHrN Ue T6eeSho9ldnt YeN MASTER MOTELS, URT JURO JENNYTSR54 SIROR UMPRIR S38 $42 URT AUTO JENNY $52 TO NORTHROP GAMMA $50 59 TUE FlOOR P12 $44 $6 NORTHRUP GAMMA OUR * RU RUE FIUOTTIRE$THCUSRINULUWWRMOAR IC ISNSRA24K EUC$THURSTIN LUWWSMTRY 52 IF-ART PURA [NRATARSNA CURTIS P36* ETA$34A~6J8AI* RU CIRAT SHRINE H$45 IA CURTIS P4AU ETHOTT T. 53 Nor FIURT EHA S$44ST NeT LEOPARO UTT$46 TA ROE EIGHT TTRR$44 TILUREISS NE 4 TN NSEINA 9$ TUL$42$2 CUTRSU NC 4 9A$64 TA EARNER N-A ERR$5294 CURTISS NE 4$49 STARE 247 TRANS PTOUR51 TRUNARNRC AIRT$04 RU NUE UUR TRANS PR$50NT RAWER RIND ER A$45 TO WUCO C CUTIN P.$42CT UNA LUEN SIRUGOUR 142 TAn COMET RUCERTARAR AURLES ANN-BEE$44 NA OUUG TRANS NE-ANRA[N RAW RACE PETE$46 AS TOUR TRANO AC-A$42TI CURT HAWK PT$4R AR RRAN PRIMARY TROUT64 CURT SPRWK E CA$4R TUPEARAA1NSPENDGTR$45RH LOCEREENREAROZA SR LOUT GETAN06449 DOOUTL GEE TLE04$ SE GRUTAN GLEHAWR$6444 MONOCRA SPTRTNRA TO VGT CORSAIT E4N$4S44 ARE EIGHT P46$42 SSNAMUSTANOP$1N$46HA HOWUT MACdOUR$42 NA OHM ATENGER RAE$42[N REP TOOLT P4 55 NA MURTANG PSIT$4464 SAPERM SPITE TE$44 ST PIPER 4-4 CUB$2628 FOCUE 4N541E P76 RN PIPER REUN$4R28 GRUMMAN WiLDCATS2R TRPIPERL4C08 *$46STGRUMMANWTLNORTOUR* rR 54 LANE SILURIHE$42[N MITNUTINK ZERA TA LGNTMRNLOAITE$46[N GRAM AOENRET TRE$44 $7 TOETTLEMITEUL TOR$424$ LOCK HUDRAN BAT$42 K$GTR7HAARTJI TNT$46SIGRUMRELTCATEOF$40 $4 MAA-A4GTAAA RAE$58TI NON FLY PART 617NRA TO NOPRUTH PUP 6TH$46RAN AMER NAVIAN$42. 61 CART ROBIN IOTNI$48TINEECUBONANZK$44 142 ENRT BONN IORNI$6464 LRGCOMBE SEDAN$64 SOPIATTH DALPAINTAR4$ UCH-CANROL METO$47 42 FLEET SPURT TNR$2641 ATRUR MOSOUITO636 ST HEATH RA8R NULL$454$ STEUR KAYDET 17$34 SRCTTGAMOAUIH$44[NNBLKRNINAWPNI04R 42 2 FLYING BATHTUB$46HE N ALK WIDOW ENI *$40 HE ART RPRPA7NUIT$4044 ALBARRAS NUNOH$40 WTAOSPARAOLOl$4NH6PPALZ$CTRRDIII$40 54 CR87 WRIGHR 16$2835 0000 OR S RHUNS$44 $2 RAIGYOL BULLOOG$4247 OROT NC S TRANS$40* SR ARM BEURERT FOE$3444 AAWKR TEXACO 13OUR 34 WET$WMN BED LN$40IA [TEN C-2 AMPEIB$47 47 CUT SEARAWK ETEI$44NE LOCK AIR EUPHESS$40 HS DOE 164 NPTBR$48GA ERR SENHAWR ERCIRAT 45STINSALTWW$48R4CARSEAHAWRETCIINS* $2 CTN CAHUANA PER04H48 AL GLMATTT ECH$42 3$ RAIRAPT WAW RU$2444 ONTARAS $0211$4C UT MART CHINA ELPA$5541 FAIRCHILD 71W$4C C SR FAIKCRILT PRAKTAR4RWA OH EAIHCRILN PTIR Hf OaROR WE NB JANREB$JRH8HS$44$1 UT RHWACOAPIGHHRASHAS LU ATI SRIO STIR OTRITIIPHITT B RDNGPAETETNCSTO04THIIII100IBIIBIBT8 WITTIRTlO BOA B RBBTIRSTTTIIPN2S4DDIIT4TITK THIITARTTO8 II 644 IT DIaRS KHIR TA HORAITA ITEIIIdOO TNBH BIT 04104 TRIUNe AR DIRT SIT IA HAIR RATDBIIAAK 04116 016016 DITSAKBSS0II1NIHIHHH HT4609BNIATIIKNAII4TITIRH0RIBTIIHI THTIRR HA RHITH 6TBN r 7004 RITRATIB AS ReAl IA D1RIAIHDBHTS ISRIBEIIEBI lolosall 11674 IIIR4ANTN11TNBA0CKTTHTAW88BITHII10HAIII0IH64B1BI $3 1110008 11587 ITAIIABS HI IsTIRHI 00411 lATH TAN RB SHAH 17 0600105 HT4TR7AITdEAEHSITTRTAII40HB1 FdaAlapd T PME6TPd 4 1C2 WORLDS GREATEST TRUE SCALE PLANS VARIETY MANY 100$ MORE DESIGNS OSIZESAVAILABLE HACR7TBICRAP8YSW$60 T3EH1 RONI 4 NCS$SK 104 CAl. CUR P675W $24 $2 KOITHIO KHR8 168$45 HR WTTNINRIIpBTRT $56 72 BRAi7H B17G 1e1$52 WW71TI2I RdL $56 IA3Roo AIRO RRII.$65 TPWWTI2I 01100 56208 070$ O4AAON.$46 BA T7AIo1 07 II$49 TH 507 5 ST A.pII$G$ AA IIATA,I Pt, A,, $42 GA GA, lIlA SI,I $AA ZR BopI 56 HO RoT ITO UpAll $62 AO SRP0IT1H1TT SOB $3B HA SITHANHA 1070562 8RSRpT7IIoolT SOB $5240 $4HIT7 74 T4M 1552 AS CAll IHok PAT $56 TH H P$T 0400 Boo6$56 RAE, H04L PAE RI 56B IT RP4 TAOR B0IIR$65 AS Tockhed Vs40$35 AS $4CT70 ClIppeR $66 74 NATIjIIIeT GB II $50HR $4 ChIT6 CIippe $60 RU 64TllT86oP SpHI $54AU 1728611 TIhoIoI1d $43 80 Hell Np ToIldog 55$AT BROT NOTIKO $46 ID7AoAIooCSSpl$4$A8ABHRIHRAOVTeA $44 Al 6674146 DSB06534? NRR0176B STdH7 $35 BAARIOT ASB 06$S$iSA $41164 Ro,6 $62 62 P04T6 CR11 BHRTISNOAS NT 640004111 BOGSA$ 64007 RIO Beo4$AO81 TH $40610110 Rb $5D 7R64111T16 THTARRA$$$IKBOHNKT9oBoHAT6S R3 Ce GeNI II IC$$4BRB SlOe PTIPKHpATI$$9 *aGAUR. CAR Go46 El CS $60 NBA GRIdORe PAl $75 $AORe,CeeTI Rol $4471 DHRH NCS 11611 $50 42 HeM MoIIgol $44RS Dooo 6C3 TIT. $64 HA To, MI MoIIiTaIl$56AU Toek Teeoo IS$52 63R6&7H P504 P11$45lO0CoA2AI/4 T&T$60 82 BTT17$ PSAA Ill $50 60 Booglo 745 MaiI$52 AR 1006 CA C767 $44 AT BIiTIoI AoIIdog R11$44 B 5484 $44 OR BIRRT7RK4TGK11EA $48 BSIOT$56SORGo, BTTITIPBE$58 16111053073 707111 AROD 534 B5 LoT4 II EIeTIIT$46IOMHII $401 ReRe$38 AS 017687 6 SR SB$45RI Ei7dbelg NO211540 ______________RI SITTOR 6310 5B7$55106 FoI44PTIR TI $65 SNToo T 105R7$66HA WOT7T0pelWiTg$62 12B 532 75 VRT1Id 171107481538 P2B 544 IAN 101111114 Nyeede$52 ITS B 550 57 b4 ECITII AAT $46 idlE PTReNpTR $56 7NRHIdTIiITII4AT $65 OS $OpodeI RISES $36 114 Fold TOOII 4AT $22 SA CR1 100146 P40 $26 TA RRII30711 TIAS $52 74 P38545 RS ETTRIIR C OWoph$6S 1111 Ao$30 STGRRI42F WllPb $50 7T GIRT J2R TORI $68 Cob $52 SR 00110 G IA Boo $32 07 Bo6$48 11700140 GlVTT7SbO HTIIIHI$4O 68 TROTRARITIIIA Rid 545 81 MRIOSS2 54 Eel TOiHI TPRS4 535 IRTeOSeET *PIIRR11HIRAIeTIIRRhHHOT TZ09N..T6A EN INRIERREB RE OTEEB Alto CIUCR PLOTUR *NT - MOAT SOT UT 122 PTRA TI100E9 1711 Aol TIlAppiR9 & IRA. elT. 10 & MeT EIReThTRR 116 T54 25 4 Ri71 IRS 5200 1RRI0dRT Pke LiRI FliT8 1117 7010011 TE CIA HOle 9E 0445173 CLEVELAND MODEL &SUPPLY Co B BAN BOlT ARECLERELAND OHIO 44162 3RPM[ST AEADST141TTTA ITAJO modified stabilizer somewhat ensure structural integrity substituted flex cable stock pushrod/bellcrank arrangement drive elevator see sketch could argue cable mechanically positive works Granted modifications represent small weight savings again ounce saved back end also saves several ounces nose weight very cautious choose make modifications stabilizer because last thing want become flying wing middle flight probably would bother trying save weight making standard-size Legend fuselage fiberglass modified wing hold-down method bolt-on rubberband-on reasoning hard landings things should move bit rather break went flex cable rudder control stock pull-pull string arrangement fine hurry afraid try something new Also mod elevator drive mod area under wing completely open no strings solid pushrods easy ballasting As flying immediately impressed smooth effortless thermal turns Legend made minimal control input lot like polyhedral ship practice appreciate ease approach speed can varied match countdown big flaps let stop before final touchdown nail consistently good spot landings wing loading came out very light type plane 10 ozIsq ft great dead-calm morning air really need floatand no doubt helps super-slow spot landings As soon wind starts blow add ballast bring wing loading up 12 ozIsq ft really flies well weight impressive glide ratio becomes apparent heavier weight yet will still slow down good minimum sink wide wing chord center panel allows good kiting up towline Very high launches achieved downwind conditions summary consider Legends performance competitive design field thermallspot landing competition planes handling gentle would hesitate recommend persons first aileron plane F31 Aero-Tow Soaring Thats Item newly adopted provisional FAI Soaring event developed France over past 10 years event Scaleor scalelikeGliders 35 meters minimum wingspan Launching aero-towing event sounds bit strange first Im sure provides thrilling competition especially fans big Scale Gliders learued about F31 article Guy Revel June/July issue Silent Flight magazine SF below what Guy said about rules Basically rules call duration speed tasks arranged rounds rather like F3B However round comprises speed flight two duration flights Launch altitude 200 meters duration task 8-mm precision task landing within 40 x 20-meter rectangle giving extra 20 points bonus speed task calls four laps between two vertical planes 250 meters apart total distance kilometer measure exactly 200 meters altitude Glad asked tow plane carries altimeter telemetry link ground receiver has digital altitude Continued page 152 Other aircraft locators rely aircraft batteries OURS DOES NOT Miniature Flight Systems 503 Logan Rd Lynnwood WA 98036 206 76-9311 No hidden cost purchased connectors Includes Batteries 1 year WarrantySwitch Harness TRANSBUZZER$3.95 w/o connectors fails due CRASHwith connectors FIFS WILL replace itSpecify Manuf FREEOFCHARGEType ordering 10 ED 146 Model Aviation h bunch characters want smooth out next project Hobby Dealers Nationwide POBox 1247 St Charles IL 60174 708-584-7616 RC SoaringlBlakeslee Continued page 146 readout contest official watches readout tells competitor release Meanwhile during climb competitor informs tow-plane pilot wants towed order look lift get best position release Guy says power pilots enjoy satisfaction towing requires lot skill too good-sized contest will have six tow planes about 50 contestants Takeoff towing well-practiced routine requiring about minute complete climb 200 meters tow plane can get down take off again about 2 mm makes 3-mm launchcycle time speed task Guy says 45 sec good time record being 29 sec record time works out 77 mphwhich fairly well moving wants first try F31 States Silent Flight magazine now bimonthly Ive mentioned before much enjoy British Silent Flight magazine Because strong acceptance first Englishlanguage magazine devoted exclusively Soaring Electrics can now enjoy six times year instead four June July issue first new schedule new subscription rate $35 per year price $583 per copy seems like lot SF contains much interesting material youll find cost per reading hour actually pretty low SFs US subscription agent Wise Owl Worldwide Publications 4314 W 238th St Torrance CA 90505 Wise Owl also handles Argus Specialist Publications other model magazines RCM&E Aeromodeller Radio Modeller Radio Control Scale Aircraft Write subscription rates New F3J rules talking up Silent Flight magazine heres interesting news read Editor Dave Joness F3J Thermal column F3J FM provisional event man-on-man thermal duration flying hand-tow launching Ill summarize some Daves column Under new F3J rule will have two launch attempts second made time compromise between UK delegates preference status quo second launch within minute first original proposal would have allowed unlimited attempts What means practice depends upon weather its good no real change tactics Everyone will launch immediately usually some will fly out time However weather bad Continued page 154 152 Model Aviation 7 U Robart Ruff-N-Tuff Carbide Cutters nasty work quickly no complaints Cut through grind f clear out rough up sand down rip f smooth out guys carbide-quick cool never load up Wood fiberglass lexan plastic ceramics no modeling material scares Theyre quite abrasive bunch available variety shapes two different grits Robart Carbide Cutters rough bunch characters right can sure theyll never rub wrong way FOAM WINC CORES S U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL U POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS U IN STOCK FOR IMMEDIATE DELIVERY SO IF YOU HAVE S FAVORITE BIRD THAT NEEDS WING CALL DR LOTSOF ARFWINC CORES i U Dont trash after crash Phone 3O93423OO9U U Send $4SOforcatalog U ..s................ U U KYA4 MEG 306 E Simmons Galeshurg IL 61401 m m m mu nw UM 510 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINT QUART 00/0 Nttromethane 5% Nitromethane$325$495 10/o Nitramethane$395 15% Nitromethane$395$625 25/o Nitromethane$495$795 350/0 NitrDmethane$595$895 SIG PREMIUM 4-STROKE 10/o Nitromethane iSo/s Nitromethane GALLON $995 $1295 $1495 $1695 $2295 $2795 FUEL $1395 $1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge rselflPrices coOled chonge ecithoot notree See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 I U U I I I U U U U U U U U U U U I I I U I I I I I I I I I I I U U -9 U N U RC SoaringlBlakeslee Continued page 152 have new situation can go early give air try come relaunch arent happy what have multiple relaunch rule has flown local interclub events actually quite interesting spotter has determine whether time flown time left warrant second attempt tow man obviously has aware fliers performance stay up-field wait possible relaunch quite different makes interesting competition prospect frequent relaunches demands importance landing tape make smaller model normal 140 160in-span British Open-class GlidersBB advantage current thinking something around 35 meters such handful landing approach maneuverable enough get down fast relaunch F3J will given official status FAI class January 1 1993 providing two competitions run five different nations competing sure thing BB World Championships status has granted looks earliest date first World Champs likely 1996 4Pylon RacinglHager Continued page 61 wonderful day everyone great time event proved quite popular now discussion about having races regular basis would like thank everyone participated especially did fly people put forth extra effort needed flagmen pylon judges callers dedicated individuals backbone club Without races could have success Thanks Charlie report way about time getting ready years NMPRA Championship Race should great years race will held Crows Landing Modesto CA See next month Model Aviation LASSES d -.--100% UV Protection Shatterproof Excellent Optical Quality Tints Fit Over Prescriptions S Kys PO BOX 1000 DVMFRIES VA 22026 800-227-9318 U U Renew Two get Free AMA Identa-Card
Edition: Model Aviation - 1992/12
Page Numbers: 53, 54, 55, 145, 146, 152, 154
FLYING Klingberg Wing 100 Most Soaring enthusiasts familiar name Rollin Klingberg introduced original Klingberg Wing kit 1988 under Future Right company name Its TwoMeter flying wing one-piece conven tional balsa rib/spruce spar construction kit immediately popular Rol has sold thousands Rol thought also place market really high-performance flying wing Early year see January 1992 column brought out Klingberg Wing 100 100-in-span design quite step up both flight performance construction ease transport Wing 100 builds 30-in center section plug-on 35-in tip panels kit very nicely done much prefabrication has one-piece balsa sheeting beautifully cut white foam cores die-cut ply parts complete hardwareincluding arrow-shaft aileron hinges Finishing film covering choice original Wing kit lists $60 discounts $40 price its something can pick up less impulse purchase new Wing 100 kit lists $220 discounts about $150 puts up couple steps price category Might require checking spouse balance checking account get word out Rol has model magazine Soaring editors have go Wing 100 Also Rol figured Id suitable guinea pig because have absolutely zero experience RC flying wings As kid Jasco Thermic Towline Glider flying wing hardly counts Wing 100 arrived big box complete Airtronics Module radio fly Wing need least radio V-tail mixer because elevons work like V-tail ie go up down together elevator work opposite other aileron Wing 100 also has flaps mounted center section piece de alsistance sliding nose weight inflight CU changing sliding weight receiver battery pack plus nose weighta clever idea total Wing requires four servos nights charge batteries out nearby pasture some flights having much idea what expect thought myself Rols funeral spooled up winch heaved Amazing towed perfectly straight although climb angle Id like see Off tow Wing scooted around field high rate speed. fact too fast speed L/D wasnt too hot Up elevator trim helped still Wing behaved like classic case nose-heaviness moved hook back contemplated removing some nose weight wishing mess too much Rols setup thinking fields 6200-ft elevation might causing some trim problems called Rol explained symptoms said purposely set Wing nose-heavy IR ADIO CONTROL make easier fly Easy wasbut exactly contender Thermal Duration competition either chance Rol planning move Denver during home-search trip chance fly together Rol also brought another brand-new Wing 100 us try rebalanced Wing flown removing several ounces nose weight flew fine glide about like youd expect good Standard-class ship although bit faster new Wing lighter flew better Thermals popping found little problem skying Wing out visual limits Handling positive both pitch roll Thermaling techniques same use regular Gliders found Wing responded lift climbed quite nicely Wing 100 should great fun Slope Soaring well problem Rol warued about visual orientation took some extra concentration keep track way going Rol says get used after summary short flying sessions found Wing 100 fun SOARING interesting experience think ship will appeal primarily two groups certified flying wing specialists Glider fliers have yen something completely different About time read Rol should moving Denver should able reach him through former address Future Flight 1256 Prescott Ave Sunnyvale CA 94089 mber 1992 53 Rollin Klingberg Klingberg Wing 100 flying-wing Sailpianes Kit produced Rollins Future Flight firm Wing 100 performs well fast flier info text Photos snapped Blakeslee Colorado flying field GLIDER HEAVEN New winch Hobby Lobby HL importing new 12-volt winch Graupner Gennany Actually Jim Martin tells winch made Poland dont let Eastern Bloc rap influence youthey make excellently crafted stuff complete winch setup sells $397 Coming Graupner worlds biggest hobby company can sure its Mercedes Benz winches HLs description Powerful enough pull heavy fourmeter Sailplanes altitude component machine designed scratch used Sailplane winch motor fully sealed against dirt robust foot switch has huge cleanable contact points drum smooth no crevices catch line cables have clamping connectors fasten 12-volt automobile battery Output two horsepower Towing speed 20 40 feet per second Included 1300 feet 12mm towline four anchoring pins turnaround pulley Hobby Lobbys new catalog #20 has dozens other new items mostly Europe Its first-class wishbook can get free copy calling 615 3731444 write 5614 Franklin Pike Cir Brentwood TN 37027 Airtronics Legend Bob McGowan Bobs article first appeared Thermal Tales newsletter Diablo Valley SS N California Its always interesting 54 Model Aviation Graupner heavy-duty winch imported Hobby Lobby parts winch specially designed make first-class Sailplane launching system Pratt-Read LB-i 4-scale model made Donald Hobel permanent display National Soaring Museum Harris Hill Elmira New York Photograph sent Fran Ptaszkiewicz Sailpianers should plan see NSM Elmira area APPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90510 MINI ER ADJUSTABI.E TENSION HAND BELT SANDER FIRMLY HOLDS PARER FOR EASIER SANDING Padded Ilata aid calve Handy Ii Held EasytaUse$295 MINI-STRIPS PRECISION DIE-CUT Media Garnet SAVES TIMCEMENTlisa Garnet AND EFFORT $210 SANDING BELTS AmId Water Preet TEE ALUMINUM EXTRUSION SANDING BLOCK hr em wRIt RUFF4TUFF Sell-adhesIve sand paper Large Tue Sedate Wee Wear Del 11 Inch $300 .. Handyte Use22 lath $450 eems RUFF F SELF ADHESIVE SHEET SANDMPER MAKE YOUR OWN SPECIAL SANDING SHAPES Easy Use Ne messy ghae er dryIng time Medlem Flee r FIne $140 MINI4i SAW $1000 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw km ragged dIn-test framO wm temleitahle chip-preet plastic sell knedle RecedIng ama ad Jastahie B Made glees geed werts attess Cats weed plastic metal HARDENED MUSIC WIRE extra blades 3/$2 25 Add 20% postage Send 50 catalog learn what top fliers thinking about during building flying airplanes So over Bob latest addition arsenal contest ships Airtronics Legend dubbed Little Legend 1991 Fall Soaring Festival because cut wingspan down 100 stock 113 BB Ill give little review kit offer some insight modifications chose make 100-in ship about right size like increased maneuverability smaller ship mainly fun loops-n rolls also believe can advantage landing circle under lessthan-perfect wind conditions fun its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Mauzella SHIPPED WITHIN 24 HRS 1387 N Miltary Yrail West Palm Beach FL 33409 407-688-0669 criteria Id probably fly Two-Meter Hand-Launch-size ship exclusively like competitive contest circuit need better soaring performance little bit larger ship High launches pnme concern competition Its opinion must get highest equal highest launch field keep being psychological disadvantage could argue paper super L/D really big ship will make up getting just average launch height nothing can replace instant confidence get towering zoom launch Given power available standard 12-volt winches minimal stretch typical heavy braided lines IIjIIIIIUJ II Electric Vacuum Bagging System Foam Core Wings $7495 Corn plete Easy Use AdcI png & horidsg Cddornto residents odd soles tax Send $300 infomation package Dealer Inquiries Invited VIFA nns-V Mntesrnrc1 Acceuntad relatively short approx 200-meter line lengths normally find Northern California contests believe give up potential launch height planes span over 100 Thats probably little too general statement its rule thumb currently use standard-size Legend undoubtedly best compromise people personally Im willing sacrifice little soaring performance based above reasoning aggressive flying launching styles try use Besides size Im always ready Standard class 100 max Nats Continued page 145 SUPER CHEETAHUNBREAKABLE FUSELAGE Span 64 inI Area 496 sq Loading 1045 ozisq ft Weight 34 oz approx $5295 Plus Tax & Shipping Slope Acrobatic/Combat Gliders CHEETAH MODELS 14725 Bessemer St B Van Noys CA 91411 DEALER INQUIRY IN VI TED 818 781-4544 December 1992 55 nUDDI SUPER STORE lIo maimtt Itaimig Resonnlzed ____ CSA Cslf ledAedensee Pile NoFile NoPomer E26220 LR251 54Poduob fec Only certified checks money orders accepted Minimum order fld00forthteepackagesofd PomerpoleslfdO0perpackoge shipping handlinel cT residents add sales tax Prices subject chonge notice DEALER INQUIRIES INVITED further informotion dealer prices send SASh Business Cord SERMOS RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 RC Soaring/Blakeslee Continued page 55 kit typical Airtronics beginners dont know what mean Airtronics quality has become measure excellence kit industry wood very good quality kit very complete hardware provided very good instruction manual complete detail could boring veteran builder mean compliment Airtronics cut Legends span down 100 compressed rib spacing aileron panels make shorter 6 center section standard small wing tip panels /2 shorter total length 2-in block added very end ribs tip panels compressed yield greater taper rounded tip shape plans call dont expect performance increase just like looks better wing conventional built-up construction carbon-fiber-reinforced spar Its nice see still competitive option dont want build foam-core wing Legends wing structure designed very strong zoom launching understand Airtronics has made change latest kits include additional shear webs between spars span whole aileron panel sure add have early kit because extra webbing wing could fluttered Another thing watch carefully center section spar height spar completely built before wing assembled around sand spar down slightly before laminating carbon-fiber caps else spar would have exactly matched height ribs couple easy mods made wings added structural insurance first wrapping wing rod joiner boxes Keviar thread good idea design second adding 8-in spruce subspar against balsa trailing edge very center wing figured during dork landing crash two coruers flap cutouts meet solid portion center section trailing edge would under lot stress Making structural modifications good design such Legend can get trouble always careful two modifications made added strength although could argue may unnecessary overkill neither will add much weight easy get plane too heavy trying beef up structure think out carefully Going other direction removing structure save weight really devastating mistakes can occur made mistake Legend shortened -in steel wing rods join tips three-piece wing design effort save very small insignificant amount weight paid price wing panels blew off during zoom launch important contest Legends tail feathers built-up wood construction like wing match smaller wing size made elevator horizontal stabilizer little smaller chopped 1 top vertical fin also rounded stab tip shape pleasing eye knew less wing area would have really watch Little Legends weight effort keep wing loading pleasantly light stock kit area could see entire design weight could saved counting bright idea wing rods significantly compromising strength tail feathers fin post elevator control mechanism eliminated almost spruce Legends rear end substituted balsa same time reader-written publication about RIG soaring dedicated sharing technical educational information theory practical application $19 Bulk/Third Class $26 First Class Outside USA Please write R/C Soaring Digest PO Box 2108 Wylie TX 75098-2108 December 1992 145 AMA MEMBERS Come fly us andSAVE 50% 6 Months 12 Issues THE NATIONAL HOBBY CLASSIFIEDS Join Today Only $1050 12 Bi weekly Issues $13 Value send us ad would like place anything hobby related want Buy Sell Swap well Print Free $800 Value count Name City State & Phone part 25 words Theyre Always FREE Engines Radios Kits Tools Collectibles-Everything Its goal create largest Network Hobbyists Nationwide Please print Ad & personal info separate sheet send payment INFOLIT PUB 156 5 Highland Ave Ste No 122 Ossining NY 10562 help deter Mail Fraud Complete Address & Phone must supplied us records BUILD*CD*MODELS Worlds Grestost TrseSsole PIn VsrietvF___ * GIANT SIZE MODEL PLANS ReRIIAR DUIIdHrN Ue T6eeSho9ldnt YeN MASTER MOTELS, URT JURO JENNYTSR54 SIROR UMPRIR S38 $42 URT AUTO JENNY $52 TO NORTHROP GAMMA $50 59 TUE FlOOR P12 $44 $6 NORTHRUP GAMMA OUR * RU RUE FIUOTTIRE$THCUSRINULUWWRMOAR IC ISNSRA24K EUC$THURSTIN LUWWSMTRY 52 IF-ART PURA [NRATARSNA CURTIS P36* ETA$34A~6J8AI* RU CIRAT SHRINE H$45 IA CURTIS P4AU ETHOTT T. 53 Nor FIURT EHA S$44ST NeT LEOPARO UTT$46 TA ROE EIGHT TTRR$44 TILUREISS NE 4 TN NSEINA 9$ TUL$42$2 CUTRSU NC 4 9A$64 TA EARNER N-A ERR$5294 CURTISS NE 4$49 STARE 247 TRANS PTOUR51 TRUNARNRC AIRT$04 RU NUE UUR TRANS PR$50NT RAWER RIND ER A$45 TO WUCO C CUTIN P.$42CT UNA LUEN SIRUGOUR 142 TAn COMET RUCERTARAR AURLES ANN-BEE$44 NA OUUG TRANS NE-ANRA[N RAW RACE PETE$46 AS TOUR TRANO AC-A$42TI CURT HAWK PT$4R AR RRAN PRIMARY TROUT64 CURT SPRWK E CA$4R TUPEARAA1NSPENDGTR$45RH LOCEREENREAROZA SR LOUT GETAN06449 DOOUTL GEE TLE04$ SE GRUTAN GLEHAWR$6444 MONOCRA SPTRTNRA TO VGT CORSAIT E4N$4S44 ARE EIGHT P46$42 SSNAMUSTANOP$1N$46HA HOWUT MACdOUR$42 NA OHM ATENGER RAE$42[N REP TOOLT P4 55 NA MURTANG PSIT$4464 SAPERM SPITE TE$44 ST PIPER 4-4 CUB$2628 FOCUE 4N541E P76 RN PIPER REUN$4R28 GRUMMAN WiLDCATS2R TRPIPERL4C08 *$46STGRUMMANWTLNORTOUR* rR 54 LANE SILURIHE$42[N MITNUTINK ZERA TA LGNTMRNLOAITE$46[N GRAM AOENRET TRE$44 $7 TOETTLEMITEUL TOR$424$ LOCK HUDRAN BAT$42 K$GTR7HAARTJI TNT$46SIGRUMRELTCATEOF$40 $4 MAA-A4GTAAA RAE$58TI NON FLY PART 617NRA TO NOPRUTH PUP 6TH$46RAN AMER NAVIAN$42. 61 CART ROBIN IOTNI$48TINEECUBONANZK$44 142 ENRT BONN IORNI$6464 LRGCOMBE SEDAN$64 SOPIATTH DALPAINTAR4$ UCH-CANROL METO$47 42 FLEET SPURT TNR$2641 ATRUR MOSOUITO636 ST HEATH RA8R NULL$454$ STEUR KAYDET 17$34 SRCTTGAMOAUIH$44[NNBLKRNINAWPNI04R 42 2 FLYING BATHTUB$46HE N ALK WIDOW ENI *$40 HE ART RPRPA7NUIT$4044 ALBARRAS NUNOH$40 WTAOSPARAOLOl$4NH6PPALZ$CTRRDIII$40 54 CR87 WRIGHR 16$2835 0000 OR S RHUNS$44 $2 RAIGYOL BULLOOG$4247 OROT NC S TRANS$40* SR ARM BEURERT FOE$3444 AAWKR TEXACO 13OUR 34 WET$WMN BED LN$40IA [TEN C-2 AMPEIB$47 47 CUT SEARAWK ETEI$44NE LOCK AIR EUPHESS$40 HS DOE 164 NPTBR$48GA ERR SENHAWR ERCIRAT 45STINSALTWW$48R4CARSEAHAWRETCIINS* $2 CTN CAHUANA PER04H48 AL GLMATTT ECH$42 3$ RAIRAPT WAW RU$2444 ONTARAS $0211$4C UT MART CHINA ELPA$5541 FAIRCHILD 71W$4C C SR FAIKCRILT PRAKTAR4RWA OH EAIHCRILN PTIR Hf OaROR WE NB JANREB$JRH8HS$44$1 UT RHWACOAPIGHHRASHAS LU ATI SRIO STIR OTRITIIPHITT B RDNGPAETETNCSTO04THIIII100IBIIBIBT8 WITTIRTlO BOA B RBBTIRSTTTIIPN2S4DDIIT4TITK THIITARTTO8 II 644 IT DIaRS KHIR TA HORAITA ITEIIIdOO TNBH BIT 04104 TRIUNe AR DIRT SIT IA HAIR RATDBIIAAK 04116 016016 DITSAKBSS0II1NIHIHHH HT4609BNIATIIKNAII4TITIRH0RIBTIIHI THTIRR HA RHITH 6TBN r 7004 RITRATIB AS ReAl IA D1RIAIHDBHTS ISRIBEIIEBI lolosall 11674 IIIR4ANTN11TNBA0CKTTHTAW88BITHII10HAIII0IH64B1BI $3 1110008 11587 ITAIIABS HI IsTIRHI 00411 lATH TAN RB SHAH 17 0600105 HT4TR7AITdEAEHSITTRTAII40HB1 FdaAlapd T PME6TPd 4 1C2 WORLDS GREATEST TRUE SCALE PLANS VARIETY MANY 100$ MORE DESIGNS OSIZESAVAILABLE HACR7TBICRAP8YSW$60 T3EH1 RONI 4 NCS$SK 104 CAl. CUR P675W $24 $2 KOITHIO KHR8 168$45 HR WTTNINRIIpBTRT $56 72 BRAi7H B17G 1e1$52 WW71TI2I RdL $56 IA3Roo AIRO RRII.$65 TPWWTI2I 01100 56208 070$ O4AAON.$46 BA T7AIo1 07 II$49 TH 507 5 ST A.pII$G$ AA IIATA,I Pt, A,, $42 GA GA, lIlA SI,I $AA ZR BopI 56 HO RoT ITO UpAll $62 AO SRP0IT1H1TT SOB $3B HA SITHANHA 1070562 8RSRpT7IIoolT SOB $5240 $4HIT7 74 T4M 1552 AS CAll IHok PAT $56 TH H P$T 0400 Boo6$56 RAE, H04L PAE RI 56B IT RP4 TAOR B0IIR$65 AS Tockhed Vs40$35 AS $4CT70 ClIppeR $66 74 NATIjIIIeT GB II $50HR $4 ChIT6 CIippe $60 RU 64TllT86oP SpHI $54AU 1728611 TIhoIoI1d $43 80 Hell Np ToIldog 55$AT BROT NOTIKO $46 ID7AoAIooCSSpl$4$A8ABHRIHRAOVTeA $44 Al 6674146 DSB06534? NRR0176B STdH7 $35 BAARIOT ASB 06$S$iSA $41164 Ro,6 $62 62 P04T6 CR11 BHRTISNOAS NT 640004111 BOGSA$ 64007 RIO Beo4$AO81 TH $40610110 Rb $5D 7R64111T16 THTARRA$$$IKBOHNKT9oBoHAT6S R3 Ce GeNI II IC$$4BRB SlOe PTIPKHpATI$$9 *aGAUR. CAR Go46 El CS $60 NBA GRIdORe PAl $75 $AORe,CeeTI Rol $4471 DHRH NCS 11611 $50 42 HeM MoIIgol $44RS Dooo 6C3 TIT. $64 HA To, MI MoIIiTaIl$56AU Toek Teeoo IS$52 63R6&7H P504 P11$45lO0CoA2AI/4 T&T$60 82 BTT17$ PSAA Ill $50 60 Booglo 745 MaiI$52 AR 1006 CA C767 $44 AT BIiTIoI AoIIdog R11$44 B 5484 $44 OR BIRRT7RK4TGK11EA $48 BSIOT$56SORGo, BTTITIPBE$58 16111053073 707111 AROD 534 B5 LoT4 II EIeTIIT$46IOMHII $401 ReRe$38 AS 017687 6 SR SB$45RI Ei7dbelg NO211540 ______________RI SITTOR 6310 5B7$55106 FoI44PTIR TI $65 SNToo T 105R7$66HA WOT7T0pelWiTg$62 12B 532 75 VRT1Id 171107481538 P2B 544 IAN 101111114 Nyeede$52 ITS B 550 57 b4 ECITII AAT $46 idlE PTReNpTR $56 7NRHIdTIiITII4AT $65 OS $OpodeI RISES $36 114 Fold TOOII 4AT $22 SA CR1 100146 P40 $26 TA RRII30711 TIAS $52 74 P38545 RS ETTRIIR C OWoph$6S 1111 Ao$30 STGRRI42F WllPb $50 7T GIRT J2R TORI $68 Cob $52 SR 00110 G IA Boo $32 07 Bo6$48 11700140 GlVTT7SbO HTIIIHI$4O 68 TROTRARITIIIA Rid 545 81 MRIOSS2 54 Eel TOiHI TPRS4 535 IRTeOSeET *PIIRR11HIRAIeTIIRRhHHOT TZ09N..T6A EN INRIERREB RE OTEEB Alto CIUCR PLOTUR *NT - MOAT SOT UT 122 PTRA TI100E9 1711 Aol TIlAppiR9 & IRA. elT. 10 & MeT EIReThTRR 116 T54 25 4 Ri71 IRS 5200 1RRI0dRT Pke LiRI FliT8 1117 7010011 TE CIA HOle 9E 0445173 CLEVELAND MODEL &SUPPLY Co B BAN BOlT ARECLERELAND OHIO 44162 3RPM[ST AEADST141TTTA ITAJO modified stabilizer somewhat ensure structural integrity substituted flex cable stock pushrod/bellcrank arrangement drive elevator see sketch could argue cable mechanically positive works Granted modifications represent small weight savings again ounce saved back end also saves several ounces nose weight very cautious choose make modifications stabilizer because last thing want become flying wing middle flight probably would bother trying save weight making standard-size Legend fuselage fiberglass modified wing hold-down method bolt-on rubberband-on reasoning hard landings things should move bit rather break went flex cable rudder control stock pull-pull string arrangement fine hurry afraid try something new Also mod elevator drive mod area under wing completely open no strings solid pushrods easy ballasting As flying immediately impressed smooth effortless thermal turns Legend made minimal control input lot like polyhedral ship practice appreciate ease approach speed can varied match countdown big flaps let stop before final touchdown nail consistently good spot landings wing loading came out very light type plane 10 ozIsq ft great dead-calm morning air really need floatand no doubt helps super-slow spot landings As soon wind starts blow add ballast bring wing loading up 12 ozIsq ft really flies well weight impressive glide ratio becomes apparent heavier weight yet will still slow down good minimum sink wide wing chord center panel allows good kiting up towline Very high launches achieved downwind conditions summary consider Legends performance competitive design field thermallspot landing competition planes handling gentle would hesitate recommend persons first aileron plane F31 Aero-Tow Soaring Thats Item newly adopted provisional FAI Soaring event developed France over past 10 years event Scaleor scalelikeGliders 35 meters minimum wingspan Launching aero-towing event sounds bit strange first Im sure provides thrilling competition especially fans big Scale Gliders learued about F31 article Guy Revel June/July issue Silent Flight magazine SF below what Guy said about rules Basically rules call duration speed tasks arranged rounds rather like F3B However round comprises speed flight two duration flights Launch altitude 200 meters duration task 8-mm precision task landing within 40 x 20-meter rectangle giving extra 20 points bonus speed task calls four laps between two vertical planes 250 meters apart total distance kilometer measure exactly 200 meters altitude Glad asked tow plane carries altimeter telemetry link ground receiver has digital altitude Continued page 152 Other aircraft locators rely aircraft batteries OURS DOES NOT Miniature Flight Systems 503 Logan Rd Lynnwood WA 98036 206 76-9311 No hidden cost purchased connectors Includes Batteries 1 year WarrantySwitch Harness TRANSBUZZER$3.95 w/o connectors fails due CRASHwith connectors FIFS WILL replace itSpecify Manuf FREEOFCHARGEType ordering 10 ED 146 Model Aviation h bunch characters want smooth out next project Hobby Dealers Nationwide POBox 1247 St Charles IL 60174 708-584-7616 RC SoaringlBlakeslee Continued page 146 readout contest official watches readout tells competitor release Meanwhile during climb competitor informs tow-plane pilot wants towed order look lift get best position release Guy says power pilots enjoy satisfaction towing requires lot skill too good-sized contest will have six tow planes about 50 contestants Takeoff towing well-practiced routine requiring about minute complete climb 200 meters tow plane can get down take off again about 2 mm makes 3-mm launchcycle time speed task Guy says 45 sec good time record being 29 sec record time works out 77 mphwhich fairly well moving wants first try F31 States Silent Flight magazine now bimonthly Ive mentioned before much enjoy British Silent Flight magazine Because strong acceptance first Englishlanguage magazine devoted exclusively Soaring Electrics can now enjoy six times year instead four June July issue first new schedule new subscription rate $35 per year price $583 per copy seems like lot SF contains much interesting material youll find cost per reading hour actually pretty low SFs US subscription agent Wise Owl Worldwide Publications 4314 W 238th St Torrance CA 90505 Wise Owl also handles Argus Specialist Publications other model magazines RCM&E Aeromodeller Radio Modeller Radio Control Scale Aircraft Write subscription rates New F3J rules talking up Silent Flight magazine heres interesting news read Editor Dave Joness F3J Thermal column F3J FM provisional event man-on-man thermal duration flying hand-tow launching Ill summarize some Daves column Under new F3J rule will have two launch attempts second made time compromise between UK delegates preference status quo second launch within minute first original proposal would have allowed unlimited attempts What means practice depends upon weather its good no real change tactics Everyone will launch immediately usually some will fly out time However weather bad Continued page 154 152 Model Aviation 7 U Robart Ruff-N-Tuff Carbide Cutters nasty work quickly no complaints Cut through grind f clear out rough up sand down rip f smooth out guys carbide-quick cool never load up Wood fiberglass lexan plastic ceramics no modeling material scares Theyre quite abrasive bunch available variety shapes two different grits Robart Carbide Cutters rough bunch characters right can sure theyll never rub wrong way FOAM WINC CORES S U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL U POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS U IN STOCK FOR IMMEDIATE DELIVERY SO IF YOU HAVE S FAVORITE BIRD THAT NEEDS WING CALL DR LOTSOF ARFWINC CORES i U Dont trash after crash Phone 3O93423OO9U U Send $4SOforcatalog U ..s................ U U KYA4 MEG 306 E Simmons Galeshurg IL 61401 m m m mu nw UM 510 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINT QUART 00/0 Nttromethane 5% Nitromethane$325$495 10/o Nitramethane$395 15% Nitromethane$395$625 25/o Nitromethane$495$795 350/0 NitrDmethane$595$895 SIG PREMIUM 4-STROKE 10/o Nitromethane iSo/s Nitromethane GALLON $995 $1295 $1495 $1695 $2295 $2795 FUEL $1395 $1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge rselflPrices coOled chonge ecithoot notree See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 I U U I I I U U U U U U U U U U U I I I U I I I I I I I I I I I U U -9 U N U RC SoaringlBlakeslee Continued page 152 have new situation can go early give air try come relaunch arent happy what have multiple relaunch rule has flown local interclub events actually quite interesting spotter has determine whether time flown time left warrant second attempt tow man obviously has aware fliers performance stay up-field wait possible relaunch quite different makes interesting competition prospect frequent relaunches demands importance landing tape make smaller model normal 140 160in-span British Open-class GlidersBB advantage current thinking something around 35 meters such handful landing approach maneuverable enough get down fast relaunch F3J will given official status FAI class January 1 1993 providing two competitions run five different nations competing sure thing BB World Championships status has granted looks earliest date first World Champs likely 1996 4Pylon RacinglHager Continued page 61 wonderful day everyone great time event proved quite popular now discussion about having races regular basis would like thank everyone participated especially did fly people put forth extra effort needed flagmen pylon judges callers dedicated individuals backbone club Without races could have success Thanks Charlie report way about time getting ready years NMPRA Championship Race should great years race will held Crows Landing Modesto CA See next month Model Aviation LASSES d -.--100% UV Protection Shatterproof Excellent Optical Quality Tints Fit Over Prescriptions S Kys PO BOX 1000 DVMFRIES VA 22026 800-227-9318 U U Renew Two get Free AMA Identa-Card
Edition: Model Aviation - 1992/12
Page Numbers: 53, 54, 55, 145, 146, 152, 154
FLYING Klingberg Wing 100 Most Soaring enthusiasts familiar name Rollin Klingberg introduced original Klingberg Wing kit 1988 under Future Right company name Its TwoMeter flying wing one-piece conven tional balsa rib/spruce spar construction kit immediately popular Rol has sold thousands Rol thought also place market really high-performance flying wing Early year see January 1992 column brought out Klingberg Wing 100 100-in-span design quite step up both flight performance construction ease transport Wing 100 builds 30-in center section plug-on 35-in tip panels kit very nicely done much prefabrication has one-piece balsa sheeting beautifully cut white foam cores die-cut ply parts complete hardwareincluding arrow-shaft aileron hinges Finishing film covering choice original Wing kit lists $60 discounts $40 price its something can pick up less impulse purchase new Wing 100 kit lists $220 discounts about $150 puts up couple steps price category Might require checking spouse balance checking account get word out Rol has model magazine Soaring editors have go Wing 100 Also Rol figured Id suitable guinea pig because have absolutely zero experience RC flying wings As kid Jasco Thermic Towline Glider flying wing hardly counts Wing 100 arrived big box complete Airtronics Module radio fly Wing need least radio V-tail mixer because elevons work like V-tail ie go up down together elevator work opposite other aileron Wing 100 also has flaps mounted center section piece de alsistance sliding nose weight inflight CU changing sliding weight receiver battery pack plus nose weighta clever idea total Wing requires four servos nights charge batteries out nearby pasture some flights having much idea what expect thought myself Rols funeral spooled up winch heaved Amazing towed perfectly straight although climb angle Id like see Off tow Wing scooted around field high rate speed. fact too fast speed L/D wasnt too hot Up elevator trim helped still Wing behaved like classic case nose-heaviness moved hook back contemplated removing some nose weight wishing mess too much Rols setup thinking fields 6200-ft elevation might causing some trim problems called Rol explained symptoms said purposely set Wing nose-heavy IR ADIO CONTROL make easier fly Easy wasbut exactly contender Thermal Duration competition either chance Rol planning move Denver during home-search trip chance fly together Rol also brought another brand-new Wing 100 us try rebalanced Wing flown removing several ounces nose weight flew fine glide about like youd expect good Standard-class ship although bit faster new Wing lighter flew better Thermals popping found little problem skying Wing out visual limits Handling positive both pitch roll Thermaling techniques same use regular Gliders found Wing responded lift climbed quite nicely Wing 100 should great fun Slope Soaring well problem Rol warued about visual orientation took some extra concentration keep track way going Rol says get used after summary short flying sessions found Wing 100 fun SOARING interesting experience think ship will appeal primarily two groups certified flying wing specialists Glider fliers have yen something completely different About time read Rol should moving Denver should able reach him through former address Future Flight 1256 Prescott Ave Sunnyvale CA 94089 mber 1992 53 Rollin Klingberg Klingberg Wing 100 flying-wing Sailpianes Kit produced Rollins Future Flight firm Wing 100 performs well fast flier info text Photos snapped Blakeslee Colorado flying field GLIDER HEAVEN New winch Hobby Lobby HL importing new 12-volt winch Graupner Gennany Actually Jim Martin tells winch made Poland dont let Eastern Bloc rap influence youthey make excellently crafted stuff complete winch setup sells $397 Coming Graupner worlds biggest hobby company can sure its Mercedes Benz winches HLs description Powerful enough pull heavy fourmeter Sailplanes altitude component machine designed scratch used Sailplane winch motor fully sealed against dirt robust foot switch has huge cleanable contact points drum smooth no crevices catch line cables have clamping connectors fasten 12-volt automobile battery Output two horsepower Towing speed 20 40 feet per second Included 1300 feet 12mm towline four anchoring pins turnaround pulley Hobby Lobbys new catalog #20 has dozens other new items mostly Europe Its first-class wishbook can get free copy calling 615 3731444 write 5614 Franklin Pike Cir Brentwood TN 37027 Airtronics Legend Bob McGowan Bobs article first appeared Thermal Tales newsletter Diablo Valley SS N California Its always interesting 54 Model Aviation Graupner heavy-duty winch imported Hobby Lobby parts winch specially designed make first-class Sailplane launching system Pratt-Read LB-i 4-scale model made Donald Hobel permanent display National Soaring Museum Harris Hill Elmira New York Photograph sent Fran Ptaszkiewicz Sailpianers should plan see NSM Elmira area APPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90510 MINI ER ADJUSTABI.E TENSION HAND BELT SANDER FIRMLY HOLDS PARER FOR EASIER SANDING Padded Ilata aid calve Handy Ii Held EasytaUse$295 MINI-STRIPS PRECISION DIE-CUT Media Garnet SAVES TIMCEMENTlisa Garnet AND EFFORT $210 SANDING BELTS AmId Water Preet TEE ALUMINUM EXTRUSION SANDING BLOCK hr em wRIt RUFF4TUFF Sell-adhesIve sand paper Large Tue Sedate Wee Wear Del 11 Inch $300 .. Handyte Use22 lath $450 eems RUFF F SELF ADHESIVE SHEET SANDMPER MAKE YOUR OWN SPECIAL SANDING SHAPES Easy Use Ne messy ghae er dryIng time Medlem Flee r FIne $140 MINI4i SAW $1000 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw km ragged dIn-test framO wm temleitahle chip-preet plastic sell knedle RecedIng ama ad Jastahie B Made glees geed werts attess Cats weed plastic metal HARDENED MUSIC WIRE extra blades 3/$2 25 Add 20% postage Send 50 catalog learn what top fliers thinking about during building flying airplanes So over Bob latest addition arsenal contest ships Airtronics Legend dubbed Little Legend 1991 Fall Soaring Festival because cut wingspan down 100 stock 113 BB Ill give little review kit offer some insight modifications chose make 100-in ship about right size like increased maneuverability smaller ship mainly fun loops-n rolls also believe can advantage landing circle under lessthan-perfect wind conditions fun its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Mauzella SHIPPED WITHIN 24 HRS 1387 N Miltary Yrail West Palm Beach FL 33409 407-688-0669 criteria Id probably fly Two-Meter Hand-Launch-size ship exclusively like competitive contest circuit need better soaring performance little bit larger ship High launches pnme concern competition Its opinion must get highest equal highest launch field keep being psychological disadvantage could argue paper super L/D really big ship will make up getting just average launch height nothing can replace instant confidence get towering zoom launch Given power available standard 12-volt winches minimal stretch typical heavy braided lines IIjIIIIIUJ II Electric Vacuum Bagging System Foam Core Wings $7495 Corn plete Easy Use AdcI png & horidsg Cddornto residents odd soles tax Send $300 infomation package Dealer Inquiries Invited VIFA nns-V Mntesrnrc1 Acceuntad relatively short approx 200-meter line lengths normally find Northern California contests believe give up potential launch height planes span over 100 Thats probably little too general statement its rule thumb currently use standard-size Legend undoubtedly best compromise people personally Im willing sacrifice little soaring performance based above reasoning aggressive flying launching styles try use Besides size Im always ready Standard class 100 max Nats Continued page 145 SUPER CHEETAHUNBREAKABLE FUSELAGE Span 64 inI Area 496 sq Loading 1045 ozisq ft Weight 34 oz approx $5295 Plus Tax & Shipping Slope Acrobatic/Combat Gliders CHEETAH MODELS 14725 Bessemer St B Van Noys CA 91411 DEALER INQUIRY IN VI TED 818 781-4544 December 1992 55 nUDDI SUPER STORE lIo maimtt Itaimig Resonnlzed ____ CSA Cslf ledAedensee Pile NoFile NoPomer E26220 LR251 54Poduob fec Only certified checks money orders accepted Minimum order fld00forthteepackagesofd PomerpoleslfdO0perpackoge shipping handlinel cT residents add sales tax Prices subject chonge notice DEALER INQUIRIES INVITED further informotion dealer prices send SASh Business Cord SERMOS RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 RC Soaring/Blakeslee Continued page 55 kit typical Airtronics beginners dont know what mean Airtronics quality has become measure excellence kit industry wood very good quality kit very complete hardware provided very good instruction manual complete detail could boring veteran builder mean compliment Airtronics cut Legends span down 100 compressed rib spacing aileron panels make shorter 6 center section standard small wing tip panels /2 shorter total length 2-in block added very end ribs tip panels compressed yield greater taper rounded tip shape plans call dont expect performance increase just like looks better wing conventional built-up construction carbon-fiber-reinforced spar Its nice see still competitive option dont want build foam-core wing Legends wing structure designed very strong zoom launching understand Airtronics has made change latest kits include additional shear webs between spars span whole aileron panel sure add have early kit because extra webbing wing could fluttered Another thing watch carefully center section spar height spar completely built before wing assembled around sand spar down slightly before laminating carbon-fiber caps else spar would have exactly matched height ribs couple easy mods made wings added structural insurance first wrapping wing rod joiner boxes Keviar thread good idea design second adding 8-in spruce subspar against balsa trailing edge very center wing figured during dork landing crash two coruers flap cutouts meet solid portion center section trailing edge would under lot stress Making structural modifications good design such Legend can get trouble always careful two modifications made added strength although could argue may unnecessary overkill neither will add much weight easy get plane too heavy trying beef up structure think out carefully Going other direction removing structure save weight really devastating mistakes can occur made mistake Legend shortened -in steel wing rods join tips three-piece wing design effort save very small insignificant amount weight paid price wing panels blew off during zoom launch important contest Legends tail feathers built-up wood construction like wing match smaller wing size made elevator horizontal stabilizer little smaller chopped 1 top vertical fin also rounded stab tip shape pleasing eye knew less wing area would have really watch Little Legends weight effort keep wing loading pleasantly light stock kit area could see entire design weight could saved counting bright idea wing rods significantly compromising strength tail feathers fin post elevator control mechanism eliminated almost spruce Legends rear end substituted balsa same time reader-written publication about RIG soaring dedicated sharing technical educational information theory practical application $19 Bulk/Third Class $26 First Class Outside USA Please write R/C Soaring Digest PO Box 2108 Wylie TX 75098-2108 December 1992 145 AMA MEMBERS Come fly us andSAVE 50% 6 Months 12 Issues THE NATIONAL HOBBY CLASSIFIEDS Join Today Only $1050 12 Bi weekly Issues $13 Value send us ad would like place anything hobby related want Buy Sell Swap well Print Free $800 Value count Name City State & Phone part 25 words Theyre Always FREE Engines Radios Kits Tools Collectibles-Everything Its goal create largest Network Hobbyists Nationwide Please print Ad & personal info separate sheet send payment INFOLIT PUB 156 5 Highland Ave Ste No 122 Ossining NY 10562 help deter Mail Fraud Complete Address & Phone must supplied us records BUILD*CD*MODELS Worlds Grestost TrseSsole PIn VsrietvF___ * GIANT SIZE MODEL PLANS ReRIIAR DUIIdHrN Ue T6eeSho9ldnt YeN MASTER MOTELS, URT JURO JENNYTSR54 SIROR UMPRIR S38 $42 URT AUTO JENNY $52 TO NORTHROP GAMMA $50 59 TUE FlOOR P12 $44 $6 NORTHRUP GAMMA OUR * RU RUE FIUOTTIRE$THCUSRINULUWWRMOAR IC ISNSRA24K EUC$THURSTIN LUWWSMTRY 52 IF-ART PURA [NRATARSNA CURTIS P36* ETA$34A~6J8AI* RU CIRAT SHRINE H$45 IA CURTIS P4AU ETHOTT T. 53 Nor FIURT EHA S$44ST NeT LEOPARO UTT$46 TA ROE EIGHT TTRR$44 TILUREISS NE 4 TN NSEINA 9$ TUL$42$2 CUTRSU NC 4 9A$64 TA EARNER N-A ERR$5294 CURTISS NE 4$49 STARE 247 TRANS PTOUR51 TRUNARNRC AIRT$04 RU NUE UUR TRANS PR$50NT RAWER RIND ER A$45 TO WUCO C CUTIN P.$42CT UNA LUEN SIRUGOUR 142 TAn COMET RUCERTARAR AURLES ANN-BEE$44 NA OUUG TRANS NE-ANRA[N RAW RACE PETE$46 AS TOUR TRANO AC-A$42TI CURT HAWK PT$4R AR RRAN PRIMARY TROUT64 CURT SPRWK E CA$4R TUPEARAA1NSPENDGTR$45RH LOCEREENREAROZA SR LOUT GETAN06449 DOOUTL GEE TLE04$ SE GRUTAN GLEHAWR$6444 MONOCRA SPTRTNRA TO VGT CORSAIT E4N$4S44 ARE EIGHT P46$42 SSNAMUSTANOP$1N$46HA HOWUT MACdOUR$42 NA OHM ATENGER RAE$42[N REP TOOLT P4 55 NA MURTANG PSIT$4464 SAPERM SPITE TE$44 ST PIPER 4-4 CUB$2628 FOCUE 4N541E P76 RN PIPER REUN$4R28 GRUMMAN WiLDCATS2R TRPIPERL4C08 *$46STGRUMMANWTLNORTOUR* rR 54 LANE SILURIHE$42[N MITNUTINK ZERA TA LGNTMRNLOAITE$46[N GRAM AOENRET TRE$44 $7 TOETTLEMITEUL TOR$424$ LOCK HUDRAN BAT$42 K$GTR7HAARTJI TNT$46SIGRUMRELTCATEOF$40 $4 MAA-A4GTAAA RAE$58TI NON FLY PART 617NRA TO NOPRUTH PUP 6TH$46RAN AMER NAVIAN$42. 61 CART ROBIN IOTNI$48TINEECUBONANZK$44 142 ENRT BONN IORNI$6464 LRGCOMBE SEDAN$64 SOPIATTH DALPAINTAR4$ UCH-CANROL METO$47 42 FLEET SPURT TNR$2641 ATRUR MOSOUITO636 ST HEATH RA8R NULL$454$ STEUR KAYDET 17$34 SRCTTGAMOAUIH$44[NNBLKRNINAWPNI04R 42 2 FLYING BATHTUB$46HE N ALK WIDOW ENI *$40 HE ART RPRPA7NUIT$4044 ALBARRAS NUNOH$40 WTAOSPARAOLOl$4NH6PPALZ$CTRRDIII$40 54 CR87 WRIGHR 16$2835 0000 OR S RHUNS$44 $2 RAIGYOL BULLOOG$4247 OROT NC S TRANS$40* SR ARM BEURERT FOE$3444 AAWKR TEXACO 13OUR 34 WET$WMN BED LN$40IA [TEN C-2 AMPEIB$47 47 CUT SEARAWK ETEI$44NE LOCK AIR EUPHESS$40 HS DOE 164 NPTBR$48GA ERR SENHAWR ERCIRAT 45STINSALTWW$48R4CARSEAHAWRETCIINS* $2 CTN CAHUANA PER04H48 AL GLMATTT ECH$42 3$ RAIRAPT WAW RU$2444 ONTARAS $0211$4C UT MART CHINA ELPA$5541 FAIRCHILD 71W$4C C SR FAIKCRILT PRAKTAR4RWA OH EAIHCRILN PTIR Hf OaROR WE NB JANREB$JRH8HS$44$1 UT RHWACOAPIGHHRASHAS LU ATI SRIO STIR OTRITIIPHITT B RDNGPAETETNCSTO04THIIII100IBIIBIBT8 WITTIRTlO BOA B RBBTIRSTTTIIPN2S4DDIIT4TITK THIITARTTO8 II 644 IT DIaRS KHIR TA HORAITA ITEIIIdOO TNBH BIT 04104 TRIUNe AR DIRT SIT IA HAIR RATDBIIAAK 04116 016016 DITSAKBSS0II1NIHIHHH HT4609BNIATIIKNAII4TITIRH0RIBTIIHI THTIRR HA RHITH 6TBN r 7004 RITRATIB AS ReAl IA D1RIAIHDBHTS ISRIBEIIEBI lolosall 11674 IIIR4ANTN11TNBA0CKTTHTAW88BITHII10HAIII0IH64B1BI $3 1110008 11587 ITAIIABS HI IsTIRHI 00411 lATH TAN RB SHAH 17 0600105 HT4TR7AITdEAEHSITTRTAII40HB1 FdaAlapd T PME6TPd 4 1C2 WORLDS GREATEST TRUE SCALE PLANS VARIETY MANY 100$ MORE DESIGNS OSIZESAVAILABLE HACR7TBICRAP8YSW$60 T3EH1 RONI 4 NCS$SK 104 CAl. CUR P675W $24 $2 KOITHIO KHR8 168$45 HR WTTNINRIIpBTRT $56 72 BRAi7H B17G 1e1$52 WW71TI2I RdL $56 IA3Roo AIRO RRII.$65 TPWWTI2I 01100 56208 070$ O4AAON.$46 BA T7AIo1 07 II$49 TH 507 5 ST A.pII$G$ AA IIATA,I Pt, A,, $42 GA GA, lIlA SI,I $AA ZR BopI 56 HO RoT ITO UpAll $62 AO SRP0IT1H1TT SOB $3B HA SITHANHA 1070562 8RSRpT7IIoolT SOB $5240 $4HIT7 74 T4M 1552 AS CAll IHok PAT $56 TH H P$T 0400 Boo6$56 RAE, H04L PAE RI 56B IT RP4 TAOR B0IIR$65 AS Tockhed Vs40$35 AS $4CT70 ClIppeR $66 74 NATIjIIIeT GB II $50HR $4 ChIT6 CIippe $60 RU 64TllT86oP SpHI $54AU 1728611 TIhoIoI1d $43 80 Hell Np ToIldog 55$AT BROT NOTIKO $46 ID7AoAIooCSSpl$4$A8ABHRIHRAOVTeA $44 Al 6674146 DSB06534? NRR0176B STdH7 $35 BAARIOT ASB 06$S$iSA $41164 Ro,6 $62 62 P04T6 CR11 BHRTISNOAS NT 640004111 BOGSA$ 64007 RIO Beo4$AO81 TH $40610110 Rb $5D 7R64111T16 THTARRA$$$IKBOHNKT9oBoHAT6S R3 Ce GeNI II IC$$4BRB SlOe PTIPKHpATI$$9 *aGAUR. CAR Go46 El CS $60 NBA GRIdORe PAl $75 $AORe,CeeTI Rol $4471 DHRH NCS 11611 $50 42 HeM MoIIgol $44RS Dooo 6C3 TIT. $64 HA To, MI MoIIiTaIl$56AU Toek Teeoo IS$52 63R6&7H P504 P11$45lO0CoA2AI/4 T&T$60 82 BTT17$ PSAA Ill $50 60 Booglo 745 MaiI$52 AR 1006 CA C767 $44 AT BIiTIoI AoIIdog R11$44 B 5484 $44 OR BIRRT7RK4TGK11EA $48 BSIOT$56SORGo, BTTITIPBE$58 16111053073 707111 AROD 534 B5 LoT4 II EIeTIIT$46IOMHII $401 ReRe$38 AS 017687 6 SR SB$45RI Ei7dbelg NO211540 ______________RI SITTOR 6310 5B7$55106 FoI44PTIR TI $65 SNToo T 105R7$66HA WOT7T0pelWiTg$62 12B 532 75 VRT1Id 171107481538 P2B 544 IAN 101111114 Nyeede$52 ITS B 550 57 b4 ECITII AAT $46 idlE PTReNpTR $56 7NRHIdTIiITII4AT $65 OS $OpodeI RISES $36 114 Fold TOOII 4AT $22 SA CR1 100146 P40 $26 TA RRII30711 TIAS $52 74 P38545 RS ETTRIIR C OWoph$6S 1111 Ao$30 STGRRI42F WllPb $50 7T GIRT J2R TORI $68 Cob $52 SR 00110 G IA Boo $32 07 Bo6$48 11700140 GlVTT7SbO HTIIIHI$4O 68 TROTRARITIIIA Rid 545 81 MRIOSS2 54 Eel TOiHI TPRS4 535 IRTeOSeET *PIIRR11HIRAIeTIIRRhHHOT TZ09N..T6A EN INRIERREB RE OTEEB Alto CIUCR PLOTUR *NT - MOAT SOT UT 122 PTRA TI100E9 1711 Aol TIlAppiR9 & IRA. elT. 10 & MeT EIReThTRR 116 T54 25 4 Ri71 IRS 5200 1RRI0dRT Pke LiRI FliT8 1117 7010011 TE CIA HOle 9E 0445173 CLEVELAND MODEL &SUPPLY Co B BAN BOlT ARECLERELAND OHIO 44162 3RPM[ST AEADST141TTTA ITAJO modified stabilizer somewhat ensure structural integrity substituted flex cable stock pushrod/bellcrank arrangement drive elevator see sketch could argue cable mechanically positive works Granted modifications represent small weight savings again ounce saved back end also saves several ounces nose weight very cautious choose make modifications stabilizer because last thing want become flying wing middle flight probably would bother trying save weight making standard-size Legend fuselage fiberglass modified wing hold-down method bolt-on rubberband-on reasoning hard landings things should move bit rather break went flex cable rudder control stock pull-pull string arrangement fine hurry afraid try something new Also mod elevator drive mod area under wing completely open no strings solid pushrods easy ballasting As flying immediately impressed smooth effortless thermal turns Legend made minimal control input lot like polyhedral ship practice appreciate ease approach speed can varied match countdown big flaps let stop before final touchdown nail consistently good spot landings wing loading came out very light type plane 10 ozIsq ft great dead-calm morning air really need floatand no doubt helps super-slow spot landings As soon wind starts blow add ballast bring wing loading up 12 ozIsq ft really flies well weight impressive glide ratio becomes apparent heavier weight yet will still slow down good minimum sink wide wing chord center panel allows good kiting up towline Very high launches achieved downwind conditions summary consider Legends performance competitive design field thermallspot landing competition planes handling gentle would hesitate recommend persons first aileron plane F31 Aero-Tow Soaring Thats Item newly adopted provisional FAI Soaring event developed France over past 10 years event Scaleor scalelikeGliders 35 meters minimum wingspan Launching aero-towing event sounds bit strange first Im sure provides thrilling competition especially fans big Scale Gliders learued about F31 article Guy Revel June/July issue Silent Flight magazine SF below what Guy said about rules Basically rules call duration speed tasks arranged rounds rather like F3B However round comprises speed flight two duration flights Launch altitude 200 meters duration task 8-mm precision task landing within 40 x 20-meter rectangle giving extra 20 points bonus speed task calls four laps between two vertical planes 250 meters apart total distance kilometer measure exactly 200 meters altitude Glad asked tow plane carries altimeter telemetry link ground receiver has digital altitude Continued page 152 Other aircraft locators rely aircraft batteries OURS DOES NOT Miniature Flight Systems 503 Logan Rd Lynnwood WA 98036 206 76-9311 No hidden cost purchased connectors Includes Batteries 1 year WarrantySwitch Harness TRANSBUZZER$3.95 w/o connectors fails due CRASHwith connectors FIFS WILL replace itSpecify Manuf FREEOFCHARGEType ordering 10 ED 146 Model Aviation h bunch characters want smooth out next project Hobby Dealers Nationwide POBox 1247 St Charles IL 60174 708-584-7616 RC SoaringlBlakeslee Continued page 146 readout contest official watches readout tells competitor release Meanwhile during climb competitor informs tow-plane pilot wants towed order look lift get best position release Guy says power pilots enjoy satisfaction towing requires lot skill too good-sized contest will have six tow planes about 50 contestants Takeoff towing well-practiced routine requiring about minute complete climb 200 meters tow plane can get down take off again about 2 mm makes 3-mm launchcycle time speed task Guy says 45 sec good time record being 29 sec record time works out 77 mphwhich fairly well moving wants first try F31 States Silent Flight magazine now bimonthly Ive mentioned before much enjoy British Silent Flight magazine Because strong acceptance first Englishlanguage magazine devoted exclusively Soaring Electrics can now enjoy six times year instead four June July issue first new schedule new subscription rate $35 per year price $583 per copy seems like lot SF contains much interesting material youll find cost per reading hour actually pretty low SFs US subscription agent Wise Owl Worldwide Publications 4314 W 238th St Torrance CA 90505 Wise Owl also handles Argus Specialist Publications other model magazines RCM&E Aeromodeller Radio Modeller Radio Control Scale Aircraft Write subscription rates New F3J rules talking up Silent Flight magazine heres interesting news read Editor Dave Joness F3J Thermal column F3J FM provisional event man-on-man thermal duration flying hand-tow launching Ill summarize some Daves column Under new F3J rule will have two launch attempts second made time compromise between UK delegates preference status quo second launch within minute first original proposal would have allowed unlimited attempts What means practice depends upon weather its good no real change tactics Everyone will launch immediately usually some will fly out time However weather bad Continued page 154 152 Model Aviation 7 U Robart Ruff-N-Tuff Carbide Cutters nasty work quickly no complaints Cut through grind f clear out rough up sand down rip f smooth out guys carbide-quick cool never load up Wood fiberglass lexan plastic ceramics no modeling material scares Theyre quite abrasive bunch available variety shapes two different grits Robart Carbide Cutters rough bunch characters right can sure theyll never rub wrong way FOAM WINC CORES S U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL U POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS U IN STOCK FOR IMMEDIATE DELIVERY SO IF YOU HAVE S FAVORITE BIRD THAT NEEDS WING CALL DR LOTSOF ARFWINC CORES i U Dont trash after crash Phone 3O93423OO9U U Send $4SOforcatalog U ..s................ U U KYA4 MEG 306 E Simmons Galeshurg IL 61401 m m m mu nw UM 510 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINT QUART 00/0 Nttromethane 5% Nitromethane$325$495 10/o Nitramethane$395 15% Nitromethane$395$625 25/o Nitromethane$495$795 350/0 NitrDmethane$595$895 SIG PREMIUM 4-STROKE 10/o Nitromethane iSo/s Nitromethane GALLON $995 $1295 $1495 $1695 $2295 $2795 FUEL $1395 $1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge rselflPrices coOled chonge ecithoot notree See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 I U U I I I U U U U U U U U U U U I I I U I I I I I I I I I I I U U -9 U N U RC SoaringlBlakeslee Continued page 152 have new situation can go early give air try come relaunch arent happy what have multiple relaunch rule has flown local interclub events actually quite interesting spotter has determine whether time flown time left warrant second attempt tow man obviously has aware fliers performance stay up-field wait possible relaunch quite different makes interesting competition prospect frequent relaunches demands importance landing tape make smaller model normal 140 160in-span British Open-class GlidersBB advantage current thinking something around 35 meters such handful landing approach maneuverable enough get down fast relaunch F3J will given official status FAI class January 1 1993 providing two competitions run five different nations competing sure thing BB World Championships status has granted looks earliest date first World Champs likely 1996 4Pylon RacinglHager Continued page 61 wonderful day everyone great time event proved quite popular now discussion about having races regular basis would like thank everyone participated especially did fly people put forth extra effort needed flagmen pylon judges callers dedicated individuals backbone club Without races could have success Thanks Charlie report way about time getting ready years NMPRA Championship Race should great years race will held Crows Landing Modesto CA See next month Model Aviation LASSES d -.--100% UV Protection Shatterproof Excellent Optical Quality Tints Fit Over Prescriptions S Kys PO BOX 1000 DVMFRIES VA 22026 800-227-9318 U U Renew Two get Free AMA Identa-Card
Edition: Model Aviation - 1992/12
Page Numbers: 53, 54, 55, 145, 146, 152, 154
FLYING Klingberg Wing 100 Most Soaring enthusiasts familiar name Rollin Klingberg introduced original Klingberg Wing kit 1988 under Future Right company name Its TwoMeter flying wing one-piece conven tional balsa rib/spruce spar construction kit immediately popular Rol has sold thousands Rol thought also place market really high-performance flying wing Early year see January 1992 column brought out Klingberg Wing 100 100-in-span design quite step up both flight performance construction ease transport Wing 100 builds 30-in center section plug-on 35-in tip panels kit very nicely done much prefabrication has one-piece balsa sheeting beautifully cut white foam cores die-cut ply parts complete hardwareincluding arrow-shaft aileron hinges Finishing film covering choice original Wing kit lists $60 discounts $40 price its something can pick up less impulse purchase new Wing 100 kit lists $220 discounts about $150 puts up couple steps price category Might require checking spouse balance checking account get word out Rol has model magazine Soaring editors have go Wing 100 Also Rol figured Id suitable guinea pig because have absolutely zero experience RC flying wings As kid Jasco Thermic Towline Glider flying wing hardly counts Wing 100 arrived big box complete Airtronics Module radio fly Wing need least radio V-tail mixer because elevons work like V-tail ie go up down together elevator work opposite other aileron Wing 100 also has flaps mounted center section piece de alsistance sliding nose weight inflight CU changing sliding weight receiver battery pack plus nose weighta clever idea total Wing requires four servos nights charge batteries out nearby pasture some flights having much idea what expect thought myself Rols funeral spooled up winch heaved Amazing towed perfectly straight although climb angle Id like see Off tow Wing scooted around field high rate speed. fact too fast speed L/D wasnt too hot Up elevator trim helped still Wing behaved like classic case nose-heaviness moved hook back contemplated removing some nose weight wishing mess too much Rols setup thinking fields 6200-ft elevation might causing some trim problems called Rol explained symptoms said purposely set Wing nose-heavy IR ADIO CONTROL make easier fly Easy wasbut exactly contender Thermal Duration competition either chance Rol planning move Denver during home-search trip chance fly together Rol also brought another brand-new Wing 100 us try rebalanced Wing flown removing several ounces nose weight flew fine glide about like youd expect good Standard-class ship although bit faster new Wing lighter flew better Thermals popping found little problem skying Wing out visual limits Handling positive both pitch roll Thermaling techniques same use regular Gliders found Wing responded lift climbed quite nicely Wing 100 should great fun Slope Soaring well problem Rol warued about visual orientation took some extra concentration keep track way going Rol says get used after summary short flying sessions found Wing 100 fun SOARING interesting experience think ship will appeal primarily two groups certified flying wing specialists Glider fliers have yen something completely different About time read Rol should moving Denver should able reach him through former address Future Flight 1256 Prescott Ave Sunnyvale CA 94089 mber 1992 53 Rollin Klingberg Klingberg Wing 100 flying-wing Sailpianes Kit produced Rollins Future Flight firm Wing 100 performs well fast flier info text Photos snapped Blakeslee Colorado flying field GLIDER HEAVEN New winch Hobby Lobby HL importing new 12-volt winch Graupner Gennany Actually Jim Martin tells winch made Poland dont let Eastern Bloc rap influence youthey make excellently crafted stuff complete winch setup sells $397 Coming Graupner worlds biggest hobby company can sure its Mercedes Benz winches HLs description Powerful enough pull heavy fourmeter Sailplanes altitude component machine designed scratch used Sailplane winch motor fully sealed against dirt robust foot switch has huge cleanable contact points drum smooth no crevices catch line cables have clamping connectors fasten 12-volt automobile battery Output two horsepower Towing speed 20 40 feet per second Included 1300 feet 12mm towline four anchoring pins turnaround pulley Hobby Lobbys new catalog #20 has dozens other new items mostly Europe Its first-class wishbook can get free copy calling 615 3731444 write 5614 Franklin Pike Cir Brentwood TN 37027 Airtronics Legend Bob McGowan Bobs article first appeared Thermal Tales newsletter Diablo Valley SS N California Its always interesting 54 Model Aviation Graupner heavy-duty winch imported Hobby Lobby parts winch specially designed make first-class Sailplane launching system Pratt-Read LB-i 4-scale model made Donald Hobel permanent display National Soaring Museum Harris Hill Elmira New York Photograph sent Fran Ptaszkiewicz Sailpianers should plan see NSM Elmira area APPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90510 MINI ER ADJUSTABI.E TENSION HAND BELT SANDER FIRMLY HOLDS PARER FOR EASIER SANDING Padded Ilata aid calve Handy Ii Held EasytaUse$295 MINI-STRIPS PRECISION DIE-CUT Media Garnet SAVES TIMCEMENTlisa Garnet AND EFFORT $210 SANDING BELTS AmId Water Preet TEE ALUMINUM EXTRUSION SANDING BLOCK hr em wRIt RUFF4TUFF Sell-adhesIve sand paper Large Tue Sedate Wee Wear Del 11 Inch $300 .. Handyte Use22 lath $450 eems RUFF F SELF ADHESIVE SHEET SANDMPER MAKE YOUR OWN SPECIAL SANDING SHAPES Easy Use Ne messy ghae er dryIng time Medlem Flee r FIne $140 MINI4i SAW $1000 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw km ragged dIn-test framO wm temleitahle chip-preet plastic sell knedle RecedIng ama ad Jastahie B Made glees geed werts attess Cats weed plastic metal HARDENED MUSIC WIRE extra blades 3/$2 25 Add 20% postage Send 50 catalog learn what top fliers thinking about during building flying airplanes So over Bob latest addition arsenal contest ships Airtronics Legend dubbed Little Legend 1991 Fall Soaring Festival because cut wingspan down 100 stock 113 BB Ill give little review kit offer some insight modifications chose make 100-in ship about right size like increased maneuverability smaller ship mainly fun loops-n rolls also believe can advantage landing circle under lessthan-perfect wind conditions fun its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pails & anything need want.its stockJoe Mauzella SHIPPED WITHIN 24 HRS 1387 N Miltary Yrail West Palm Beach FL 33409 407-688-0669 criteria Id probably fly Two-Meter Hand-Launch-size ship exclusively like competitive contest circuit need better soaring performance little bit larger ship High launches pnme concern competition Its opinion must get highest equal highest launch field keep being psychological disadvantage could argue paper super L/D really big ship will make up getting just average launch height nothing can replace instant confidence get towering zoom launch Given power available standard 12-volt winches minimal stretch typical heavy braided lines IIjIIIIIUJ II Electric Vacuum Bagging System Foam Core Wings $7495 Corn plete Easy Use AdcI png & horidsg Cddornto residents odd soles tax Send $300 infomation package Dealer Inquiries Invited VIFA nns-V Mntesrnrc1 Acceuntad relatively short approx 200-meter line lengths normally find Northern California contests believe give up potential launch height planes span over 100 Thats probably little too general statement its rule thumb currently use standard-size Legend undoubtedly best compromise people personally Im willing sacrifice little soaring performance based above reasoning aggressive flying launching styles try use Besides size Im always ready Standard class 100 max Nats Continued page 145 SUPER CHEETAHUNBREAKABLE FUSELAGE Span 64 inI Area 496 sq Loading 1045 ozisq ft Weight 34 oz approx $5295 Plus Tax & Shipping Slope Acrobatic/Combat Gliders CHEETAH MODELS 14725 Bessemer St B Van Noys CA 91411 DEALER INQUIRY IN VI TED 818 781-4544 December 1992 55 nUDDI SUPER STORE lIo maimtt Itaimig Resonnlzed ____ CSA Cslf ledAedensee Pile NoFile NoPomer E26220 LR251 54Poduob fec Only certified checks money orders accepted Minimum order fld00forthteepackagesofd PomerpoleslfdO0perpackoge shipping handlinel cT residents add sales tax Prices subject chonge notice DEALER INQUIRIES INVITED further informotion dealer prices send SASh Business Cord SERMOS RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 RC Soaring/Blakeslee Continued page 55 kit typical Airtronics beginners dont know what mean Airtronics quality has become measure excellence kit industry wood very good quality kit very complete hardware provided very good instruction manual complete detail could boring veteran builder mean compliment Airtronics cut Legends span down 100 compressed rib spacing aileron panels make shorter 6 center section standard small wing tip panels /2 shorter total length 2-in block added very end ribs tip panels compressed yield greater taper rounded tip shape plans call dont expect performance increase just like looks better wing conventional built-up construction carbon-fiber-reinforced spar Its nice see still competitive option dont want build foam-core wing Legends wing structure designed very strong zoom launching understand Airtronics has made change latest kits include additional shear webs between spars span whole aileron panel sure add have early kit because extra webbing wing could fluttered Another thing watch carefully center section spar height spar completely built before wing assembled around sand spar down slightly before laminating carbon-fiber caps else spar would have exactly matched height ribs couple easy mods made wings added structural insurance first wrapping wing rod joiner boxes Keviar thread good idea design second adding 8-in spruce subspar against balsa trailing edge very center wing figured during dork landing crash two coruers flap cutouts meet solid portion center section trailing edge would under lot stress Making structural modifications good design such Legend can get trouble always careful two modifications made added strength although could argue may unnecessary overkill neither will add much weight easy get plane too heavy trying beef up structure think out carefully Going other direction removing structure save weight really devastating mistakes can occur made mistake Legend shortened -in steel wing rods join tips three-piece wing design effort save very small insignificant amount weight paid price wing panels blew off during zoom launch important contest Legends tail feathers built-up wood construction like wing match smaller wing size made elevator horizontal stabilizer little smaller chopped 1 top vertical fin also rounded stab tip shape pleasing eye knew less wing area would have really watch Little Legends weight effort keep wing loading pleasantly light stock kit area could see entire design weight could saved counting bright idea wing rods significantly compromising strength tail feathers fin post elevator control mechanism eliminated almost spruce Legends rear end substituted balsa same time reader-written publication about RIG soaring dedicated sharing technical educational information theory practical application $19 Bulk/Third Class $26 First Class Outside USA Please write R/C Soaring Digest PO Box 2108 Wylie TX 75098-2108 December 1992 145 AMA MEMBERS Come fly us andSAVE 50% 6 Months 12 Issues THE NATIONAL HOBBY CLASSIFIEDS Join Today Only $1050 12 Bi weekly Issues $13 Value send us ad would like place anything hobby related want Buy Sell Swap well Print Free $800 Value count Name City State & Phone part 25 words Theyre Always FREE Engines Radios Kits Tools Collectibles-Everything Its goal create largest Network Hobbyists Nationwide Please print Ad & personal info separate sheet send payment INFOLIT PUB 156 5 Highland Ave Ste No 122 Ossining NY 10562 help deter Mail Fraud Complete Address & Phone must supplied us records BUILD*CD*MODELS Worlds Grestost TrseSsole PIn VsrietvF___ * GIANT SIZE MODEL PLANS ReRIIAR DUIIdHrN Ue T6eeSho9ldnt YeN MASTER MOTELS, URT JURO JENNYTSR54 SIROR UMPRIR S38 $42 URT AUTO JENNY $52 TO NORTHROP GAMMA $50 59 TUE FlOOR P12 $44 $6 NORTHRUP GAMMA OUR * RU RUE FIUOTTIRE$THCUSRINULUWWRMOAR IC ISNSRA24K EUC$THURSTIN LUWWSMTRY 52 IF-ART PURA [NRATARSNA CURTIS P36* ETA$34A~6J8AI* RU CIRAT SHRINE H$45 IA CURTIS P4AU ETHOTT T. 53 Nor FIURT EHA S$44ST NeT LEOPARO UTT$46 TA ROE EIGHT TTRR$44 TILUREISS NE 4 TN NSEINA 9$ TUL$42$2 CUTRSU NC 4 9A$64 TA EARNER N-A ERR$5294 CURTISS NE 4$49 STARE 247 TRANS PTOUR51 TRUNARNRC AIRT$04 RU NUE UUR TRANS PR$50NT RAWER RIND ER A$45 TO WUCO C CUTIN P.$42CT UNA LUEN SIRUGOUR 142 TAn COMET RUCERTARAR AURLES ANN-BEE$44 NA OUUG TRANS NE-ANRA[N RAW RACE PETE$46 AS TOUR TRANO AC-A$42TI CURT HAWK PT$4R AR RRAN PRIMARY TROUT64 CURT SPRWK E CA$4R TUPEARAA1NSPENDGTR$45RH LOCEREENREAROZA SR LOUT GETAN06449 DOOUTL GEE TLE04$ SE GRUTAN GLEHAWR$6444 MONOCRA SPTRTNRA TO VGT CORSAIT E4N$4S44 ARE EIGHT P46$42 SSNAMUSTANOP$1N$46HA HOWUT MACdOUR$42 NA OHM ATENGER RAE$42[N REP TOOLT P4 55 NA MURTANG PSIT$4464 SAPERM SPITE TE$44 ST PIPER 4-4 CUB$2628 FOCUE 4N541E P76 RN PIPER REUN$4R28 GRUMMAN WiLDCATS2R TRPIPERL4C08 *$46STGRUMMANWTLNORTOUR* rR 54 LANE SILURIHE$42[N 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FAIRCHILD 71W$4C C SR FAIKCRILT PRAKTAR4RWA OH EAIHCRILN PTIR Hf OaROR WE NB JANREB$JRH8HS$44$1 UT RHWACOAPIGHHRASHAS LU ATI SRIO STIR OTRITIIPHITT B RDNGPAETETNCSTO04THIIII100IBIIBIBT8 WITTIRTlO BOA B RBBTIRSTTTIIPN2S4DDIIT4TITK THIITARTTO8 II 644 IT DIaRS KHIR TA HORAITA ITEIIIdOO TNBH BIT 04104 TRIUNe AR DIRT SIT IA HAIR RATDBIIAAK 04116 016016 DITSAKBSS0II1NIHIHHH HT4609BNIATIIKNAII4TITIRH0RIBTIIHI THTIRR HA RHITH 6TBN r 7004 RITRATIB AS ReAl IA D1RIAIHDBHTS ISRIBEIIEBI lolosall 11674 IIIR4ANTN11TNBA0CKTTHTAW88BITHII10HAIII0IH64B1BI $3 1110008 11587 ITAIIABS HI IsTIRHI 00411 lATH TAN RB SHAH 17 0600105 HT4TR7AITdEAEHSITTRTAII40HB1 FdaAlapd T PME6TPd 4 1C2 WORLDS GREATEST TRUE SCALE PLANS VARIETY MANY 100$ MORE DESIGNS OSIZESAVAILABLE HACR7TBICRAP8YSW$60 T3EH1 RONI 4 NCS$SK 104 CAl. CUR P675W $24 $2 KOITHIO KHR8 168$45 HR WTTNINRIIpBTRT $56 72 BRAi7H B17G 1e1$52 WW71TI2I RdL $56 IA3Roo AIRO RRII.$65 TPWWTI2I 01100 56208 070$ O4AAON.$46 BA T7AIo1 07 II$49 TH 507 5 ST A.pII$G$ AA IIATA,I Pt, A,, $42 GA GA, lIlA SI,I $AA ZR BopI 56 HO RoT ITO UpAll $62 AO SRP0IT1H1TT SOB $3B HA SITHANHA 1070562 8RSRpT7IIoolT SOB $5240 $4HIT7 74 T4M 1552 AS CAll IHok PAT $56 TH H P$T 0400 Boo6$56 RAE, H04L PAE RI 56B IT RP4 TAOR B0IIR$65 AS Tockhed Vs40$35 AS $4CT70 ClIppeR $66 74 NATIjIIIeT GB II $50HR $4 ChIT6 CIippe $60 RU 64TllT86oP SpHI $54AU 1728611 TIhoIoI1d $43 80 Hell Np ToIldog 55$AT BROT NOTIKO $46 ID7AoAIooCSSpl$4$A8ABHRIHRAOVTeA $44 Al 6674146 DSB06534? NRR0176B STdH7 $35 BAARIOT ASB 06$S$iSA $41164 Ro,6 $62 62 P04T6 CR11 BHRTISNOAS NT 640004111 BOGSA$ 64007 RIO Beo4$AO81 TH $40610110 Rb $5D 7R64111T16 THTARRA$$$IKBOHNKT9oBoHAT6S R3 Ce GeNI II IC$$4BRB SlOe PTIPKHpATI$$9 *aGAUR. CAR Go46 El CS $60 NBA GRIdORe PAl $75 $AORe,CeeTI Rol $4471 DHRH NCS 11611 $50 42 HeM MoIIgol $44RS Dooo 6C3 TIT. $64 HA To, MI MoIIiTaIl$56AU Toek Teeoo IS$52 63R6&7H P504 P11$45lO0CoA2AI/4 T&T$60 82 BTT17$ PSAA Ill $50 60 Booglo 745 MaiI$52 AR 1006 CA C767 $44 AT BIiTIoI AoIIdog R11$44 B 5484 $44 OR BIRRT7RK4TGK11EA $48 BSIOT$56SORGo, BTTITIPBE$58 16111053073 707111 AROD 534 B5 LoT4 II EIeTIIT$46IOMHII $401 ReRe$38 AS 017687 6 SR SB$45RI Ei7dbelg NO211540 ______________RI SITTOR 6310 5B7$55106 FoI44PTIR TI $65 SNToo T 105R7$66HA WOT7T0pelWiTg$62 12B 532 75 VRT1Id 171107481538 P2B 544 IAN 101111114 Nyeede$52 ITS B 550 57 b4 ECITII AAT $46 idlE PTReNpTR $56 7NRHIdTIiITII4AT $65 OS $OpodeI RISES $36 114 Fold TOOII 4AT $22 SA CR1 100146 P40 $26 TA RRII30711 TIAS $52 74 P38545 RS ETTRIIR C OWoph$6S 1111 Ao$30 STGRRI42F WllPb $50 7T GIRT J2R TORI $68 Cob $52 SR 00110 G IA Boo $32 07 Bo6$48 11700140 GlVTT7SbO HTIIIHI$4O 68 TROTRARITIIIA Rid 545 81 MRIOSS2 54 Eel TOiHI TPRS4 535 IRTeOSeET *PIIRR11HIRAIeTIIRRhHHOT TZ09N..T6A EN INRIERREB RE OTEEB Alto CIUCR PLOTUR *NT - MOAT SOT UT 122 PTRA TI100E9 1711 Aol TIlAppiR9 & IRA. elT. 10 & MeT EIReThTRR 116 T54 25 4 Ri71 IRS 5200 1RRI0dRT Pke LiRI FliT8 1117 7010011 TE CIA HOle 9E 0445173 CLEVELAND MODEL &SUPPLY Co B BAN BOlT ARECLERELAND OHIO 44162 3RPM[ST AEADST141TTTA ITAJO modified stabilizer somewhat ensure structural integrity substituted flex cable stock pushrod/bellcrank arrangement drive elevator see sketch could argue cable mechanically positive works Granted modifications represent small weight savings again ounce saved back end also saves several ounces nose weight very cautious choose make modifications stabilizer because last thing want become flying wing middle flight probably would bother trying save weight making standard-size Legend fuselage fiberglass modified wing hold-down method bolt-on rubberband-on reasoning hard landings things should move bit rather break went flex cable rudder control stock pull-pull string arrangement fine hurry afraid try something new Also mod elevator drive mod area under wing completely open no strings solid pushrods easy ballasting As flying immediately impressed smooth effortless thermal turns Legend made minimal control input lot like polyhedral ship practice appreciate ease approach speed can varied match countdown big flaps let stop before final touchdown nail consistently good spot landings wing loading came out very light type plane 10 ozIsq ft great dead-calm morning air really need floatand no doubt helps super-slow spot landings As soon wind starts blow add ballast bring wing loading up 12 ozIsq ft really flies well weight impressive glide ratio becomes apparent heavier weight yet will still slow down good minimum sink wide wing chord center panel allows good kiting up towline Very high launches achieved downwind conditions summary consider Legends performance competitive design field thermallspot landing competition planes handling gentle would hesitate recommend persons first aileron plane F31 Aero-Tow Soaring Thats Item newly adopted provisional FAI Soaring event developed France over past 10 years event Scaleor scalelikeGliders 35 meters minimum wingspan Launching aero-towing event sounds bit strange first Im sure provides thrilling competition especially fans big Scale Gliders learued about F31 article Guy Revel June/July issue Silent Flight magazine SF below what Guy said about rules Basically rules call duration speed tasks arranged rounds rather like F3B However round comprises speed flight two duration flights Launch altitude 200 meters duration task 8-mm precision task landing within 40 x 20-meter rectangle giving extra 20 points bonus speed task calls four laps between two vertical planes 250 meters apart total distance kilometer measure exactly 200 meters altitude Glad asked tow plane carries altimeter telemetry link ground receiver has digital altitude Continued page 152 Other aircraft locators rely aircraft batteries OURS DOES NOT Miniature Flight Systems 503 Logan Rd Lynnwood WA 98036 206 76-9311 No hidden cost purchased connectors Includes Batteries 1 year WarrantySwitch Harness TRANSBUZZER$3.95 w/o connectors fails due CRASHwith connectors FIFS WILL replace itSpecify Manuf FREEOFCHARGEType ordering 10 ED 146 Model Aviation h bunch characters want smooth out next project Hobby Dealers Nationwide POBox 1247 St Charles IL 60174 708-584-7616 RC SoaringlBlakeslee Continued page 146 readout contest official watches readout tells competitor release Meanwhile during climb competitor informs tow-plane pilot wants towed order look lift get best position release Guy says power pilots enjoy satisfaction towing requires lot skill too good-sized contest will have six tow planes about 50 contestants Takeoff towing well-practiced routine requiring about minute complete climb 200 meters tow plane can get down take off again about 2 mm makes 3-mm launchcycle time speed task Guy says 45 sec good time record being 29 sec record time works out 77 mphwhich fairly well moving wants first try F31 States Silent Flight magazine now bimonthly Ive mentioned before much enjoy British Silent Flight magazine Because strong acceptance first Englishlanguage magazine devoted exclusively Soaring Electrics can now enjoy six times year instead four June July issue first new schedule new subscription rate $35 per year price $583 per copy seems like lot SF contains much interesting material youll find cost per reading hour actually pretty low SFs US subscription agent Wise Owl Worldwide Publications 4314 W 238th St Torrance CA 90505 Wise Owl also handles Argus Specialist Publications other model magazines RCM&E Aeromodeller Radio Modeller Radio Control Scale Aircraft Write subscription rates New F3J rules talking up Silent Flight magazine heres interesting news read Editor Dave Joness F3J Thermal column F3J FM provisional event man-on-man thermal duration flying hand-tow launching Ill summarize some Daves column Under new F3J rule will have two launch attempts second made time compromise between UK delegates preference status quo second launch within minute first original proposal would have allowed unlimited attempts What means practice depends upon weather its good no real change tactics Everyone will launch immediately usually some will fly out time However weather bad Continued page 154 152 Model Aviation 7 U Robart Ruff-N-Tuff Carbide Cutters nasty work quickly no complaints Cut through grind f clear out rough up sand down rip f smooth out guys carbide-quick cool never load up Wood fiberglass lexan plastic ceramics no modeling material scares Theyre quite abrasive bunch available variety shapes two different grits Robart Carbide Cutters rough bunch characters right can sure theyll never rub wrong way FOAM WINC CORES S U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL U POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS U IN STOCK FOR IMMEDIATE 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