-A awards ceremony si ugosiavian dancers capped y ElAt years FAI Free Flight Championships US teams Randy Archer outfiew best best 27 countries walk away 1991 world-beater FiC Power EFred Terzian AS FOLKS back home enjoyed annual Independence Day festivities FAI Free Flight community gathered Zrenjanin Yugoslavia start its annual World Championships July 4 through 8 1991 teams 28 countries vied trophies FlA Nordic Towline FtC Power FlB Wakefield Rubber Spain Norway did attend year Randy Archer US walked away world title FIC Power Given weather field conditions along world-class competition Archers triumph required total commitment US team its contingent supporters superb win Getting us worried increasing ethnic strife Yugoslavia would force cancellation years contest organizers Yugoslavian consular services assured us region wed flying safely removed violence Most team supporters took direct Lufthansa 747 flight Los Angeles Frankfurt Germany June 26 Roger Marie Maves Ken Denise Phair flew out Colorado connecting different flight Frankfurt George Xenakis flew Lufthansa San Francisco arrived several hours ahead everyone else Frankfurt connected smaller Boeing 727 Budapest Hungary picked up rental cars drove center town night Hotel Volga caravamied out Budapest about 900 next morning So far weather cold windy overcastjust opposite typical summer Baltics drive Zrenjanin stalled Hungarian/Yugoslavian December 1991 91 ii II uo team ja nigni _ates team Back ri. nI saissant team manager Hector Diez - Oliver Ken rnalr Handy Archer Team Manager Walt Ghio Front row left right George vurulunI international FAI team selection rIgorously competitive s Austr I admires ins I-Al worig Lnwilpui5hlP5 perpetual trophies far ctacular cut crystal Daumene Cup awarded highest placing Fl team border choked vacationers heading Baltics avoid trouble spots farther westward Rather waste gas turn car engines off put vehicles neutral pushed ride took about nine hours three hours longer planned border crossing point overwhelmed incoming traffic saw few cars leaving Yugoslavia further reassured us political situation would remain calm Upon arrival Hotel Vojvodina Zrenjanin US Team Manager Walt Ghio lost no time arranging room assignments before evening meal Teams PAN Cup World Cup contest scheduled week before championships also hand Registration processing event took place next day teams limited budget stayed less expensive hotels hostels Some fliers opted official riverside campground near flying site Since tap water appeared unsuitable drinking used bottled beverages Problems Everyone worried about weather on-and-off rain persisted could well affect flying strategies Individuals teams planned perpetual trophies worKs art left row front back Franjo Kluz trophy Kosmonautica Vase both Fl C Team Victor Tatln Cup Fl C dividual right row front back Renaud Cup Fl B Team Wake field Cup FiB Individual enter PAN Cup wanted test fly balked because wind rain first disappointment came breakfast next morning Three Ken Phairs FiC ships damaged transitcause unknown Ken hardly slept night neednt have worried US Glider Power fliers immediately mobilized repair damage memory serves three fuselages set wings severely moderately bent cracked guys worked wonders sawed spliced taped restraightened fuselages Jim Parker feverishly built 92 Model Aviation Whats World Championships lunch little unwinding tent Denise Phalr poses US teams slightly used motorcycle Above Japanese team dressed little differently day-gb green jackets fancy logos Right plethora items fered sale bargain-hunters element U Lull M55I5l5 team manager nectar ulez prepares Jim Parkers FlA Glider five-minute flyoff Parkers canny strategy round left him tied USSRs Makarov second third places Right British Team Manager Martin Dilly holding Glider appears con versing renowned Fl C Power flier Evgeny Verbitsky Unseasonably cold rainy weather plagued much contest alignment jig atop Phairs model box Ken Oliver searched high low microballoons baking soda items everyone seemed have forgotten bring George Xenakis some no asked him Oliver checked contest organizers translate baking soda kitchen staff No luck scoured local groceries Still no luck Suddenly remembered wife Lynn packed surplus Sweet n LowTM packets coffee seemed close granular consistency baking soda maybe would work CyA strengthener Voila According Oliver sugar substitute harder sandI suggested lick off excess otherwise worked well baking soda Randy Archer supply carbon/Kevlar sleeves different diameters used strengthen align interior Kens tail booms wing panel separated near trailing edge juncture top bottom aluminum panels first thought cabin pressure may have severed skin foam interior Ken blamed other factors repairs held up during next few days test flying before PAN Cup Ken would have confidence needed championships Field conditions flew broad flat plain just outside town Aradac Everything green relatively soft December 1991 93 - II Left The winners FlA Nordic Towline Glider Mlkhail Kochkarov USSR center first place Sergei Makarov USSR left second place Jim Parker US right third place Right Bob lsaacson holds Randy Wellers Glider prior launch Fl Nordic Towline Two fliers Finlandss F Left US FiB filers Team Manager Walt Ghio second right during round six Ghlos left George Xenakis Roger Maves right Norm Furutani Right French Fl B filer Gemid Nocque packs turns Note interesting spiral lines Nocques tail boom recent rains appearances excellent site little test flying revealed unexpectedly treacherous conditions Scattered over field low spots tall grasses As fliers helpers attempting keep eye downwind airplane soon discovered hidden beneath innocent-looking grasses lurked outcroppings dirt maybe 12 14 inches high bumpy LEGO block Often muddy full water areas swarmed insects whenever sun came out wind died down like flying bog Insect repellent became order day chase teams quickly repositioned further downwind Retrieval Only two teams brought chase bikes motorcycles too oger Huppert Switzerland launches FiB ship Wakefield pilots usually flew shortly after winding motors remov ing model winding stooge somewhat hindered mud rough terrain Ken Oliver took task appropriating bike way organizers second day PAN Cup US team spent $200 borrowed motorcycle made downwind recovery much easier especially during FiC Power rounds flights traveled long distance Trying shift gears clutch handle carrying plane could tricky though especially muddier rougher ground Opening ceremonies scheduled evening Fourth July 94 Model Aviation LI FiB winners L R Tony Matthews Canada second place Aieicsafldar AndfluKOV USSH nrst place uoug ouseum anaaa third pluGs Right Roger Mavess beautifully trimmed FiB Wakefield Rubber ship perfect July Fourth opening ceremonies xi 1 V Frances Pierre Chassebourg winds d hand Bob White designed Chasse bourgs Fl B Wakefield model tipuiu un InC urptane center parade grounds Partizan Recreation Center Zrenjanin July 4th national holiday Yugoslavia too Because rain squalls ceremonies rescheduled precede first official round weather still hadnt cleared canceled altogether Assistant team manager Martyn Cowley injured automobile accident France unable attend US Team Manager Walt Ghio assigned Hector Diez stand Martyn Walt Hector worked out strategies both model retrieval downwind communication walkie-talkies FiB FiC fliers acted spotters retrievers FlA rounds allowing Glider team members assist another launch thermal hunting chase crew would try hand off Glider flier midpoint downwind prepare next flier system worked pretty well throughout contest oaly way improve would through higher quality radio communications equipment During test flying weather field conditions began causing trouble Models lost through poor adjustments transition during official practices Nordic fliers often kited airplanes wind picked up teams chased Power models long way downwind As some first lose airplanes Aussies Brits brought back reports obstacles confronted Running some canals about mile downwind south found couple crossing points discovered field chest-high cornstalks other side cornfield continued treeline bordering north/south levee Beyond anybodys guess Most top competitors FiC Power flew aluminum-skinned planes have become traditional category Quite few older lower aspect ratio models seen Italys Mario Rocca still individualist uses geodetic-trussed tissue-covered wings tails short tail skids caused hard landings both tip dihedral joints required repairs December 1991 95 Left triumphant Randy Archer center hoists FiC Power World Championship trophy Flanking US title holder second-place fin isher Evgeny Verbitaky USSR left third-place winner Xlan Wang China right Right future Fl C Champion prepares launch early morning round Randys high altitude made difference decisive flyoff round Left Third-place finisher Xian Wang China clean-lined FiC ship Right Mario Rocca Italy repairs dihedral breaks FiC ship its distinctive geodetic-trussed tissue-covered wing tail Roccas model very few built-up Power designs FlA Nordic Towline Seventy-five competitors flew outstanding fliers parts globe including two Chinas Wei Wang studies teams ther- Ken Oliver launches Fl C V-Max design mal recorder before launch Fl C spectators liked both flier plane Left Polands Jan Ochman prepares FiC Power airplane Right Evgeny Verbitsky launches ABS-Rotor-sponsored ship atter Randy Archer takes lead final FiC flyoff round Despite slower efficient glide Verbitsky never caught up Randys altitude US eliminated flyoffs Wind rain slippery field conditions made first rounds tricky US team member Bob Isaacson still nursing knee injured US Free Flight Champs May reinjured slipping mud first round Bob immediately experienced problems towing rain Glider snaked back forth slowing forward progress attempted keep diving ground finally succeeded launching off line model began stallthe wet conditions shifted center-of-gravity Though Bob perfect score throughout remaining six rounds missed max ultimately flyoffs partly because rainwater clinging tissue-covered stabilizer Teammate Randy Weiler did well until missed max 12 seconds third round fliers dropped round other Rain squalls moved out some heavy enough suspend start round everyone ran shelter processing tents cars sought refuge large canvas-covered tent lunch served immediately attacked mosquitoes waiting out storm Thirteen fliers including Jim Parker US maxed out made flyoff rounds Germany North Korea Soviet Union two fliers no full teams represented Four flierstwo Russians German Jim Parkersurvived four-minute round Jim predicted strategy five-minute round almost once Sure enough Russians began towing trailing German other took off after him become almost dead calm scattered clouds no rain Fliers searched vain patch lift Russian chased German around through processing area parked vehicles Jim made second Russian struggle near bogs marshes released Gliders drift toward southwest line parked cars timers would have chase models drifted beyond clear view word came Russians Mikhail Kochkarov achieved five-minute goal German Uwe Rusch come down after three minutes still didnt know Jims Joshua design Sergei Makarovs bunter fared Jims Glider stayed clear view descended supporters desperately waved T-shirts vain attempt break away nonexistent thermal Meanwhile Makarovs Glider flew over cluster cars buses descending what seemed difficult direction timers unclear whether Makarovs two timers actually saw plane hit ground apparenfly kept view passed behind vehicle after another Comparing stopwatches timers called tie four minutes 20 secondsan absolutely amazing coincidence As Parker girded tie-breaker round would decide second third places US contingent saw what up against Since little chance finding isolated patch lift better gliding model would have advantage second factor however Makarovs use bunt launch Russians have perfected bunting Gliders Nordic Towline event fact both Kochkarov Makarov have collaborated very sophisticated multifunction timer tow hook bunt wing-wiggler setupand obviously have mastered its use flare fired Parker took Makarov minimarathon over rises hummocks around bogs depressions approached herders sheep pen about 200 yards northeast gradually worked way back Jim zoomed Glider perfect release off line general cheers 96 Model Aviation Xian Wang China launches hiL shIp final flyoff round Wang finished hind Archer Verbitsky third place Oliver poinis ow nanay rcnur u uur plane during final flyoff round gave Randy world title Fl C anay Arcner ana u earn manager Walt Ghio make final adjustments Randys Power ship tension builds deci sive nine-minute flyoff round FiC STINSON SR-a 1/5 SCALE 100 DeHAVILLAND DEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4SCAIF nfl whistles applause Within seconds Sergei Makarov shot plane 15 20 feet above Jims perfect bunt transition Unless hit hole Makarov clearly second place edged Jim out 65 seconds everyone enjoyed spectacular finish FtC Power Fog broke out early morning FlC Power day dissipated well before first round Fliers fired up engines testing overall performance well fuel compatibility balky engines critical trim settings Dampness previous days rains sent downwind spotters chasers looking new routes car motorcycle foot travel strategy changed flights shorter expected motorcycle would midway between flight line crews farthest downwind driver also would closer folks carrying walkie-talkies making easier confirm position flying model Ken Olivers Power ship probably unusual configuration its V-dihedral wing tiplets definitely drew largest crowds People took measurements photographs chance got Kens test flight altitudes compared very best observers thought design definitely competitive As luck would have though Oliver missed required four-minute first round 60 seconds didnt see launch told later simply picked bad air Though Ken easily maxed remaining six flights mentioned glide turns too open Possibly because tiplets ship veered like weathervane winds picked up Ken plans additional refinements very competitive design took exhaustive testing before during after PAN Cup Ken Phair airplanes repaired flying properly contest time moved smoothly through first three rounds Continued page 98 FOAMAIRE 10 SPAN su-js Lii, eo-75 UC POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 L 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOOD CHOOSE 3 OR 4 CH SLOW AND STABLE KIT $26995 SPDKIT$1995 $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOG RT 1 NEODESHA KS 66757 OF SAC KITS AND ACC 316325-2821 FREE SHIPPING ON KIT ORDERS SA/MASTERCARD December 1991 97 MAULE M51M6 ROCKET 1/4 SCALE 98 drawn ranks ariuaIv ext ur fine FAIRCHILD 24 GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 WACO 10 1/5 SCALE 73 yourself favor IKON NWST Kit n world wide finest scale kits knocked 41 seconds off potential max disastrous fourth Ken wasnt alone Most competitors dropped max fourth round four lost chance flyoffs Eighteen contenders made flyoffs China Poland full teams four countries two-flier contingents pilots bunters used beepers transmitting devices downwind recovery devices becoming essential uneven terrain tall crops make line-ofsight tracking impossible Despite desperate searches ultralight foot some airplanes never found Using Jim Walston-designed tracking device Randy Archer discovered early could within 10 feet plane corn rows see After decreasing trackers sensitivity knew hidden ship close took several stepsand almost tripped over Randy looked consistently good confidence teams recovery flights downwind left him free concentrate flying picking air preparing backup ships necessary flyoffs intense Only four competitors dropped four-minute flight darkness fell before rounds completed Contest officials hoped wind things up before first Wakefield round next morning conditions forced second postponement until after FiB competition seven-minute round began seven competitors no full teams Being some distance radio communications sat motorcycle slightly north official field headquarters waiting round begin Xenakis Furutani about 400 yards south Parker Weiler others about same distance beyond saw Power ships approach thought saw Archers heading slightly left Gunning engine cycle stayed beneath plane until ran out Continued page 175 -IwT7 60 Engine Size Epoxy Fiberglass Fuselage Kit Super Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt -lirobo GMP & Schluter Gear Flesable Tail Drive Unit Wood Kit includes Bodys Clear Canopy Landing F ware Manual Blueprint someI models also include Fitotstation Machine Gun Rocket Radar Dome & Shocks AH-1 STOW COBRA 36995 AH-64 APACHE 38995 UH-1 B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 HOBBY DEALERS & HOBBIES CALL WRITE CATALOG ____________________Ph 408-942-9525 521 Sinclair Frontage Rd Milpitas CA 95035 FAX 408-942-9524 98 Model Aviation UPGRAJED & UPDATED MODIFIED AIRFRAME NEW SINGLE SHEET ROLLED PLANS NEW STEP-BY-STEP INSTRUCTIONS DETAILED ISOMETRIC DRAWINGS QUICKER MORE COMPLETE BUILDING THE SAME VFRV TARI F FLYING PLAI I-UI-IM EXCELLENTIARACTERISTICS Wing Span. Wing Area730 sq Wing Chord145 Fuselage Length57 Fuselage Width max65 ON THE DRAWIt Stabilizer Span23Cowl Diameter65 Stabilizer Area120 sqCowl Depth35 Stabilizer Chord55 Two Cycle Engine60Fin Height10 Weight8-10 lbsFin Area59 sq WORLD CLASS RIO HELICOPTERS & ACCESSORIES IMPORT & EXPORT Well gang wraps up another couple months Remember National Help-a-Junior Avoid-FlyingNear-Power-Lines Month Happy landingsE FF World Champs/Terzian Continued page 98 traversable territory model dethermalized crop sunflowers saw someone working way toward first assumed Id tracking wrong airplane quick scan skies turned up no other familiar-looking planes rode down George Xenakis positioned himself radio see knew whereabouts Randys model George also thought Randys headed back intercept whoever carrying itone British assistants turned out handed plane over warned could disqualified Retrieval vehicles explained banned during flyoffs Concerned rode back join Xenakis asked knew such rule play safe abandoned motorcycle began walking airplane mile flight line hoping relieved US helper going other way reached Randys pole position before start next flyoff round Randy didnt need backup ship got observe round No expected flying go beyond seven-minute mark since four competitors still clean seemed prudent move flight line far upwind possible almost road leading town Aradac idea help fliers avoid downwind crops trees improving timers chances seeing descending planes low-light conditions nine-minute round four-way contest among Randy Archer Xian Wang China Evgeny Verbitsky Valery Strukov Soviet Union Randy faced serious competitionparticularly Verbitsky plane seemed have best glide Still Americans strong hopes medal flier decide himself close set clockwork timers maximize engine run time seven seconds gain little altitude Rather chancing overrun hands potentially inexperienced official timer Walt Randy left settings alone Everyone spectators included watched Randys airplane break 540 seconds apparently Randys official timers stopped watch prematurely time confirmed official interpretationand official watches Sandy Pimenoff fortunately present part FM Jury pulled both timers aside interpreted results Pimenoff ruled favor Randys nine-minute max nearly nine oclock evening sun almost grazed horizon flying continued past sunset models would difficult see fliers wired up teams supporters suspenseand flyoffs would go still substantial drift south toward distant treeline horizon turnabout Randy fired up engine almost immediately launched Verbitsky Wang grappled glow plug leads tried catch up Randy made near-vertical climb settled slow-turning glide picture-perfect transiton Screaming reach same altitude air Verbitskys ABS-Rotor-sponsored ship developed stall after bunt transition Wangs airplane also stalled Both models eventually settled proper glide lost altitude process Though clear three planes drifted downwind Verbitskys slowest efficient glide Randys altitude won day As design Randys Glider touched down just sunset long dayand exciting us Americans new F lC World Champion accepted congratulations rivals spectatorsincluding December 1991 175 YOU DESERVE TOP GUN hIKE GR6-120 2-CYCLE FOR CHRISTMAS 16 LBS OF THRUST 83 DIA 2 YEARS OF SATISFIED CUSTOMERS EQUIVALENT ENGINE POWER G38 040 5T3000 HIGH RELIABILITY AVAILABLE WITH McDANIEL GLO-DRIVER SHOWN LIMITED LIFETIME GUARANTEE PRICED AT ONLY $925 RECOMMENDED AND TESTED BY TIlE EXPERTS Clarence Lee RCM JUNE 91 Pretty Impressive performance MIKE GR6-120 develops exceptional power extremely low vIbration 8000 rpm 18/8 outstanding 4 stroke radial comparable power sells $400-$500 Siu Richmond MODEL BUILDER OCTOBER 90 engine class itself nothing compares time vibration free engine next Wankel RADIAL ENGINE TECHNOLOGIES INC 7 Greenwood Lane Valhalla NY 10595 914-686-9373 mosquitoesheaded dinner FiB Wakefield Rubber Wakefields quiet dignity took surprise After screaming Rossis Nelsons other 25cc engines day before pleasure hear occasional busted strand madly unwinding itself inside motor tube Up until now entertained amplified music predominantly American although competitors really paid attention nearing first position pole spectating rather flying contrast Wakefield fliers seemed business set up stooges assembled airplanes usually ready fly after winding motors removing planes winding stooges particular interest Americans electric thermal blankets European fliers using warm up rubber motors blanket connected electric cord power source sitting ground attached outside motor tube Velcro intense sun occasionally cooled scattered clouds shirtsleeve weather day Thermals generally spotty often small cylinders other hand some rounds saw eight 10 Wakefields circling together high altitude single massive thermal first round 210 seconds seemed easy enough target Yet 17 65 entrants including own George Xenakis failed make As George set pattern Roger Maves missed max second round Norm Furutani dropped third Both George Norm went difficult sixth rounds before finally maxing seventh luckier fliers sixth round caught massive cumulus cloud churned directly overhead about 30 minutes flew earlier also managed max Some took chances after thermal passed barely made max others dropped flight George dropped 11 seconds Seventeen fliers made flyoff rounds Poland USSR full teams Canadas Tony Matthews Doug Rousell North Americans Twelve survived six-minute round over field narrowed USSRs Aleksandar Andriukov dark horse Tony Matthews Andriukov well known both European American contest scenes Matthews relative unknown has recently attracted attention West Coast contests Except using thermal blanket Andriukovs style hasnt changed winds prop blades cocked feathered large platelike guard rotating behind Once Andriukov feels its time takes couple slow deep breaths mentally prepares himself hard strong vertical launch propeller kicks vertical momentum appears nearly exhausted contrast between Andriukovs auto-everything Matthewss KISS Keep Simple Stupid approach led us expect classic David-and-Goliath rematch Matthews surprised us touching down 19 seconds short Andriukovs 420-second max us probably would have happy see both win As soon over Matthews surrounded admirers eager 176 Model Aviation MODEL AIRCRAFT PRODUCTS AMAP cutter bow $17900 13 965-9504AMAP power supply$4900 Anodized available Add$1000 $6000 Length 49 h2l/2 ht 21 /2 WIng Cutter Three-piece T tail / tail also sell cut cores available airfoils MH42 MH43 MH62 MH64 7013 RGI5 RGI4A Foam cores $5000 7 53QFull Money-Back 3es35n antee& LAIR SLOPE 11/SPORT ELECTRIC Complete $6000 Length43Wdh3 ht340&6O5tzeMotorRewmmended Shp-on Nose Cone Fuselage made EZ Lam Epoxy Blue Foam 2 lb Density 24 X % X 2 $2900 ii] Aemspace Composite Pmducts Will cut shipping 12 X 48 please specify Bob Ratzlalf 1641 South Elismere Ave Los Angles CA 90019 ASW 171/4 Scale 4 M Basic Kit $28500 Thermal Phase Hand Launch 60 E 387 $5000 information flying techniques Wakefield designs Doug Rousell complemented Canadian achievement placing third closing ceremony elaborate Young women carrying placards announcing teams nationalities Serbo-Croatian paraded past reviewing stand advance team After awarding Team Individual perpetual trophies treated performance Yugoslavian dances post-ceremony banquet held another provincial hotel lasted early morning July 9 exchanged traditional toasts winners cups traded shirts pins decals US team supporters sorry see end glad first leg trip back home Observations view several practices becoming necessity Free Flight World Championships 1 use audible beepers tracking devices helps prevent model loss expensive rebuilding replacement 2 Russian bunt concept should used flyoffs thermals unlikely especially true Towline Glider bunt launching provides decided advantage 3 Serious practice competition flying types weather conditions including wind rain important World Championships time flight characteristics will predictable less erratic E Mid-CoIu mbia/Blakeslee Continued page 103 doing best avoid collisions Most time wont notice flag has dropped depends caller tell him Roll caller commands Turn second two later rules turns must always made / Use CA Adhesives Hinges full 15 MIle thick 4 mIle thicker other leadln brands * Bettor CA Penetration Ade~ IytrLife C0 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. t time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDI5j Uni VUIfo3 EATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H December 1991 177 away hilla right turn left end end course left turn right A turn generally involves rolling bit INTRODUCING Tri-FIi THREE GREAT WAYS TO FLI ONE AMAZING AIRPLANE TriFIir -" engineered field tested outstand ng performance n THREE different configurations Flis 48 folly symmetrical sportBy adding second sport wing wing converts Tri-FIi very solidTn-F/i youve got yourself escep groo sport planethatgoeswfrereyouandtional hi-plane Its slightly point t Take-otis landings slowchallenging single sport wing predictable esperienced flierhot takes off end lands very slowly will find ito joyThis aerobatic combinabon sore favorite Tn-Ph a total system flying Designed engineered thorosghly field tested give sport flier airplane wont grow tired kit contains semi-built fuse three pre-sheeted foam wings Assorted hardware included Recommended engine 40- 50 Speciat Introductory Price $12900 u 700 P&H Credit Card COO Orders call 313-254-0530 Send check Money Order TRS IndustriesFor information send $100 & SASE 42700 Mound Rd Sterling Hts Ml 48314YOU MAY NEVER NEED TO BUY ANOTHER AIRPLANEt
Edition: Model Aviation - 1991/12
Page Numbers: 91, 92, 93, 94, 95, 96, 97, 98, 175, 176, 177
-A awards ceremony si ugosiavian dancers capped y ElAt years FAI Free Flight Championships US teams Randy Archer outfiew best best 27 countries walk away 1991 world-beater FiC Power EFred Terzian AS FOLKS back home enjoyed annual Independence Day festivities FAI Free Flight community gathered Zrenjanin Yugoslavia start its annual World Championships July 4 through 8 1991 teams 28 countries vied trophies FlA Nordic Towline FtC Power FlB Wakefield Rubber Spain Norway did attend year Randy Archer US walked away world title FIC Power Given weather field conditions along world-class competition Archers triumph required total commitment US team its contingent supporters superb win Getting us worried increasing ethnic strife Yugoslavia would force cancellation years contest organizers Yugoslavian consular services assured us region wed flying safely removed violence Most team supporters took direct Lufthansa 747 flight Los Angeles Frankfurt Germany June 26 Roger Marie Maves Ken Denise Phair flew out Colorado connecting different flight Frankfurt George Xenakis flew Lufthansa San Francisco arrived several hours ahead everyone else Frankfurt connected smaller Boeing 727 Budapest Hungary picked up rental cars drove center town night Hotel Volga caravamied out Budapest about 900 next morning So far weather cold windy overcastjust opposite typical summer Baltics drive Zrenjanin stalled Hungarian/Yugoslavian December 1991 91 ii II uo team ja nigni _ates team Back ri. nI saissant team manager Hector Diez - Oliver Ken rnalr Handy Archer Team Manager Walt Ghio Front row left right George vurulunI international FAI team selection rIgorously competitive s Austr I admires ins I-Al worig Lnwilpui5hlP5 perpetual trophies far ctacular cut crystal Daumene Cup awarded highest placing Fl team border choked vacationers heading Baltics avoid trouble spots farther westward Rather waste gas turn car engines off put vehicles neutral pushed ride took about nine hours three hours longer planned border crossing point overwhelmed incoming traffic saw few cars leaving Yugoslavia further reassured us political situation would remain calm Upon arrival Hotel Vojvodina Zrenjanin US Team Manager Walt Ghio lost no time arranging room assignments before evening meal Teams PAN Cup World Cup contest scheduled week before championships also hand Registration processing event took place next day teams limited budget stayed less expensive hotels hostels Some fliers opted official riverside campground near flying site Since tap water appeared unsuitable drinking used bottled beverages Problems Everyone worried about weather on-and-off rain persisted could well affect flying strategies Individuals teams planned perpetual trophies worKs art left row front back Franjo Kluz trophy Kosmonautica Vase both Fl C Team Victor Tatln Cup Fl C dividual right row front back Renaud Cup Fl B Team Wake field Cup FiB Individual enter PAN Cup wanted test fly balked because wind rain first disappointment came breakfast next morning Three Ken Phairs FiC ships damaged transitcause unknown Ken hardly slept night neednt have worried US Glider Power fliers immediately mobilized repair damage memory serves three fuselages set wings severely moderately bent cracked guys worked wonders sawed spliced taped restraightened fuselages Jim Parker feverishly built 92 Model Aviation Whats World Championships lunch little unwinding tent Denise Phalr poses US teams slightly used motorcycle Above Japanese team dressed little differently day-gb green jackets fancy logos Right plethora items fered sale bargain-hunters element U Lull M55I5l5 team manager nectar ulez prepares Jim Parkers FlA Glider five-minute flyoff Parkers canny strategy round left him tied USSRs Makarov second third places Right British Team Manager Martin Dilly holding Glider appears con versing renowned Fl C Power flier Evgeny Verbitsky Unseasonably cold rainy weather plagued much contest alignment jig atop Phairs model box Ken Oliver searched high low microballoons baking soda items everyone seemed have forgotten bring George Xenakis some no asked him Oliver checked contest organizers translate baking soda kitchen staff No luck scoured local groceries Still no luck Suddenly remembered wife Lynn packed surplus Sweet n LowTM packets coffee seemed close granular consistency baking soda maybe would work CyA strengthener Voila According Oliver sugar substitute harder sandI suggested lick off excess otherwise worked well baking soda Randy Archer supply carbon/Kevlar sleeves different diameters used strengthen align interior Kens tail booms wing panel separated near trailing edge juncture top bottom aluminum panels first thought cabin pressure may have severed skin foam interior Ken blamed other factors repairs held up during next few days test flying before PAN Cup Ken would have confidence needed championships Field conditions flew broad flat plain just outside town Aradac Everything green relatively soft December 1991 93 - II Left The winners FlA Nordic Towline Glider Mlkhail Kochkarov USSR center first place Sergei Makarov USSR left second place Jim Parker US right third place Right Bob lsaacson holds Randy Wellers Glider prior launch Fl Nordic Towline Two fliers Finlandss F Left US FiB filers Team Manager Walt Ghio second right during round six Ghlos left George Xenakis Roger Maves right Norm Furutani Right French Fl B filer Gemid Nocque packs turns Note interesting spiral lines Nocques tail boom recent rains appearances excellent site little test flying revealed unexpectedly treacherous conditions Scattered over field low spots tall grasses As fliers helpers attempting keep eye downwind airplane soon discovered hidden beneath innocent-looking grasses lurked outcroppings dirt maybe 12 14 inches high bumpy LEGO block Often muddy full water areas swarmed insects whenever sun came out wind died down like flying bog Insect repellent became order day chase teams quickly repositioned further downwind Retrieval Only two teams brought chase bikes motorcycles too oger Huppert Switzerland launches FiB ship Wakefield pilots usually flew shortly after winding motors remov ing model winding stooge somewhat hindered mud rough terrain Ken Oliver took task appropriating bike way organizers second day PAN Cup US team spent $200 borrowed motorcycle made downwind recovery much easier especially during FiC Power rounds flights traveled long distance Trying shift gears clutch handle carrying plane could tricky though especially muddier rougher ground Opening ceremonies scheduled evening Fourth July 94 Model Aviation LI FiB winners L R Tony Matthews Canada second place Aieicsafldar AndfluKOV USSH nrst place uoug ouseum anaaa third pluGs Right Roger Mavess beautifully trimmed FiB Wakefield Rubber ship perfect July Fourth opening ceremonies xi 1 V Frances Pierre Chassebourg winds d hand Bob White designed Chasse bourgs Fl B Wakefield model tipuiu un InC urptane center parade grounds Partizan Recreation Center Zrenjanin July 4th national holiday Yugoslavia too Because rain squalls ceremonies rescheduled precede first official round weather still hadnt cleared canceled altogether Assistant team manager Martyn Cowley injured automobile accident France unable attend US Team Manager Walt Ghio assigned Hector Diez stand Martyn Walt Hector worked out strategies both model retrieval downwind communication walkie-talkies FiB FiC fliers acted spotters retrievers FlA rounds allowing Glider team members assist another launch thermal hunting chase crew would try hand off Glider flier midpoint downwind prepare next flier system worked pretty well throughout contest oaly way improve would through higher quality radio communications equipment During test flying weather field conditions began causing trouble Models lost through poor adjustments transition during official practices Nordic fliers often kited airplanes wind picked up teams chased Power models long way downwind As some first lose airplanes Aussies Brits brought back reports obstacles confronted Running some canals about mile downwind south found couple crossing points discovered field chest-high cornstalks other side cornfield continued treeline bordering north/south levee Beyond anybodys guess Most top competitors FiC Power flew aluminum-skinned planes have become traditional category Quite few older lower aspect ratio models seen Italys Mario Rocca still individualist uses geodetic-trussed tissue-covered wings tails short tail skids caused hard landings both tip dihedral joints required repairs December 1991 95 Left triumphant Randy Archer center hoists FiC Power World Championship trophy Flanking US title holder second-place fin isher Evgeny Verbitaky USSR left third-place winner Xlan Wang China right Right future Fl C Champion prepares launch early morning round Randys high altitude made difference decisive flyoff round Left Third-place finisher Xian Wang China clean-lined FiC ship Right Mario Rocca Italy repairs dihedral breaks FiC ship its distinctive geodetic-trussed tissue-covered wing tail Roccas model very few built-up Power designs FlA Nordic Towline Seventy-five competitors flew outstanding fliers parts globe including two Chinas Wei Wang studies teams ther- Ken Oliver launches Fl C V-Max design mal recorder before launch Fl C spectators liked both flier plane Left Polands Jan Ochman prepares FiC Power airplane Right Evgeny Verbitsky launches ABS-Rotor-sponsored ship atter Randy Archer takes lead final FiC flyoff round Despite slower efficient glide Verbitsky never caught up Randys altitude US eliminated flyoffs Wind rain slippery field conditions made first rounds tricky US team member Bob Isaacson still nursing knee injured US Free Flight Champs May reinjured slipping mud first round Bob immediately experienced problems towing rain Glider snaked back forth slowing forward progress attempted keep diving ground finally succeeded launching off line model began stallthe wet conditions shifted center-of-gravity Though Bob perfect score throughout remaining six rounds missed max ultimately flyoffs partly because rainwater clinging tissue-covered stabilizer Teammate Randy Weiler did well until missed max 12 seconds third round fliers dropped round other Rain squalls moved out some heavy enough suspend start round everyone ran shelter processing tents cars sought refuge large canvas-covered tent lunch served immediately attacked mosquitoes waiting out storm Thirteen fliers including Jim Parker US maxed out made flyoff rounds Germany North Korea Soviet Union two fliers no full teams represented Four flierstwo Russians German Jim Parkersurvived four-minute round Jim predicted strategy five-minute round almost once Sure enough Russians began towing trailing German other took off after him become almost dead calm scattered clouds no rain Fliers searched vain patch lift Russian chased German around through processing area parked vehicles Jim made second Russian struggle near bogs marshes released Gliders drift toward southwest line parked cars timers would have chase models drifted beyond clear view word came Russians Mikhail Kochkarov achieved five-minute goal German Uwe Rusch come down after three minutes still didnt know Jims Joshua design Sergei Makarovs bunter fared Jims Glider stayed clear view descended supporters desperately waved T-shirts vain attempt break away nonexistent thermal Meanwhile Makarovs Glider flew over cluster cars buses descending what seemed difficult direction timers unclear whether Makarovs two timers actually saw plane hit ground apparenfly kept view passed behind vehicle after another Comparing stopwatches timers called tie four minutes 20 secondsan absolutely amazing coincidence As Parker girded tie-breaker round would decide second third places US contingent saw what up against Since little chance finding isolated patch lift better gliding model would have advantage second factor however Makarovs use bunt launch Russians have perfected bunting Gliders Nordic Towline event fact both Kochkarov Makarov have collaborated very sophisticated multifunction timer tow hook bunt wing-wiggler setupand obviously have mastered its use flare fired Parker took Makarov minimarathon over rises hummocks around bogs depressions approached herders sheep pen about 200 yards northeast gradually worked way back Jim zoomed Glider perfect release off line general cheers 96 Model Aviation Xian Wang China launches hiL shIp final flyoff round Wang finished hind Archer Verbitsky third place Oliver poinis ow nanay rcnur u uur plane during final flyoff round gave Randy world title Fl C anay Arcner ana u earn manager Walt Ghio make final adjustments Randys Power ship tension builds deci sive nine-minute flyoff round FiC STINSON SR-a 1/5 SCALE 100 DeHAVILLAND DEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4SCAIF nfl whistles applause Within seconds Sergei Makarov shot plane 15 20 feet above Jims perfect bunt transition Unless hit hole Makarov clearly second place edged Jim out 65 seconds everyone enjoyed spectacular finish FtC Power Fog broke out early morning FlC Power day dissipated well before first round Fliers fired up engines testing overall performance well fuel compatibility balky engines critical trim settings Dampness previous days rains sent downwind spotters chasers looking new routes car motorcycle foot travel strategy changed flights shorter expected motorcycle would midway between flight line crews farthest downwind driver also would closer folks carrying walkie-talkies making easier confirm position flying model Ken Olivers Power ship probably unusual configuration its V-dihedral wing tiplets definitely drew largest crowds People took measurements photographs chance got Kens test flight altitudes compared very best observers thought design definitely competitive As luck would have though Oliver missed required four-minute first round 60 seconds didnt see launch told later simply picked bad air Though Ken easily maxed remaining six flights mentioned glide turns too open Possibly because tiplets ship veered like weathervane winds picked up Ken plans additional refinements very competitive design took exhaustive testing before during after PAN Cup Ken Phair airplanes repaired flying properly contest time moved smoothly through first three rounds Continued page 98 FOAMAIRE 10 SPAN su-js Lii, eo-75 UC POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 L 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOOD CHOOSE 3 OR 4 CH SLOW AND STABLE KIT $26995 SPDKIT$1995 $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOG RT 1 NEODESHA KS 66757 OF SAC KITS AND ACC 316325-2821 FREE SHIPPING ON KIT ORDERS SA/MASTERCARD December 1991 97 MAULE M51M6 ROCKET 1/4 SCALE 98 drawn ranks ariuaIv ext ur fine FAIRCHILD 24 GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 WACO 10 1/5 SCALE 73 yourself favor IKON NWST Kit n world wide finest scale kits knocked 41 seconds off potential max disastrous fourth Ken wasnt alone Most competitors dropped max fourth round four lost chance flyoffs Eighteen contenders made flyoffs China Poland full teams four countries two-flier contingents pilots bunters used beepers transmitting devices downwind recovery devices becoming essential uneven terrain tall crops make line-ofsight tracking impossible Despite desperate searches ultralight foot some airplanes never found Using Jim Walston-designed tracking device Randy Archer discovered early could within 10 feet plane corn rows see After decreasing trackers sensitivity knew hidden ship close took several stepsand almost tripped over Randy looked consistently good confidence teams recovery flights downwind left him free concentrate flying picking air preparing backup ships necessary flyoffs intense Only four competitors dropped four-minute flight darkness fell before rounds completed Contest officials hoped wind things up before first Wakefield round next morning conditions forced second postponement until after FiB competition seven-minute round began seven competitors no full teams Being some distance radio communications sat motorcycle slightly north official field headquarters waiting round begin Xenakis Furutani about 400 yards south Parker Weiler others about same distance beyond saw Power ships approach thought saw Archers heading slightly left Gunning engine cycle stayed beneath plane until ran out Continued page 175 -IwT7 60 Engine Size Epoxy Fiberglass Fuselage Kit Super Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt -lirobo GMP & Schluter Gear Flesable Tail Drive Unit Wood Kit includes Bodys Clear Canopy Landing F ware Manual Blueprint someI models also include Fitotstation Machine Gun Rocket Radar Dome & Shocks AH-1 STOW COBRA 36995 AH-64 APACHE 38995 UH-1 B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 HOBBY DEALERS & HOBBIES CALL WRITE CATALOG ____________________Ph 408-942-9525 521 Sinclair Frontage Rd Milpitas CA 95035 FAX 408-942-9524 98 Model Aviation UPGRAJED & UPDATED MODIFIED AIRFRAME NEW SINGLE SHEET ROLLED PLANS NEW STEP-BY-STEP INSTRUCTIONS DETAILED ISOMETRIC DRAWINGS QUICKER MORE COMPLETE BUILDING THE SAME VFRV TARI F FLYING PLAI I-UI-IM EXCELLENTIARACTERISTICS Wing Span. Wing Area730 sq Wing Chord145 Fuselage Length57 Fuselage Width max65 ON THE DRAWIt Stabilizer Span23Cowl Diameter65 Stabilizer Area120 sqCowl Depth35 Stabilizer Chord55 Two Cycle Engine60Fin Height10 Weight8-10 lbsFin Area59 sq WORLD CLASS RIO HELICOPTERS & ACCESSORIES IMPORT & EXPORT Well gang wraps up another couple months Remember National Help-a-Junior Avoid-FlyingNear-Power-Lines Month Happy landingsE FF World Champs/Terzian Continued page 98 traversable territory model dethermalized crop sunflowers saw someone working way toward first assumed Id tracking wrong airplane quick scan skies turned up no other familiar-looking planes rode down George Xenakis positioned himself radio see knew whereabouts Randys model George also thought Randys headed back intercept whoever carrying itone British assistants turned out handed plane over warned could disqualified Retrieval vehicles explained banned during flyoffs Concerned rode back join Xenakis asked knew such rule play safe abandoned motorcycle began walking airplane mile flight line hoping relieved US helper going other way reached Randys pole position before start next flyoff round Randy didnt need backup ship got observe round No expected flying go beyond seven-minute mark since four competitors still clean seemed prudent move flight line far upwind possible almost road leading town Aradac idea help fliers avoid downwind crops trees improving timers chances seeing descending planes low-light conditions nine-minute round four-way contest among Randy Archer Xian Wang China Evgeny Verbitsky Valery Strukov Soviet Union Randy faced serious competitionparticularly Verbitsky plane seemed have best glide Still Americans strong hopes medal flier decide himself close set clockwork timers maximize engine run time seven seconds gain little altitude Rather chancing overrun hands potentially inexperienced official timer Walt Randy left settings alone Everyone spectators included watched Randys airplane break 540 seconds apparently Randys official timers stopped watch prematurely time confirmed official interpretationand official watches Sandy Pimenoff fortunately present part FM Jury pulled both timers aside interpreted results Pimenoff ruled favor Randys nine-minute max nearly nine oclock evening sun almost grazed horizon flying continued past sunset models would difficult see fliers wired up teams supporters suspenseand flyoffs would go still substantial drift south toward distant treeline horizon turnabout Randy fired up engine almost immediately launched Verbitsky Wang grappled glow plug leads tried catch up Randy made near-vertical climb settled slow-turning glide picture-perfect transiton Screaming reach same altitude air Verbitskys ABS-Rotor-sponsored ship developed stall after bunt transition Wangs airplane also stalled Both models eventually settled proper glide lost altitude process Though clear three planes drifted downwind Verbitskys slowest efficient glide Randys altitude won day As design Randys Glider touched down just sunset long dayand exciting us Americans new F lC World Champion accepted congratulations rivals spectatorsincluding December 1991 175 YOU DESERVE TOP GUN hIKE GR6-120 2-CYCLE FOR CHRISTMAS 16 LBS OF THRUST 83 DIA 2 YEARS OF SATISFIED CUSTOMERS EQUIVALENT ENGINE POWER G38 040 5T3000 HIGH RELIABILITY AVAILABLE WITH McDANIEL GLO-DRIVER SHOWN LIMITED LIFETIME GUARANTEE PRICED AT ONLY $925 RECOMMENDED AND TESTED BY TIlE EXPERTS Clarence Lee RCM JUNE 91 Pretty Impressive performance MIKE GR6-120 develops exceptional power extremely low vIbration 8000 rpm 18/8 outstanding 4 stroke radial comparable power sells $400-$500 Siu Richmond MODEL BUILDER OCTOBER 90 engine class itself nothing compares time vibration free engine next Wankel RADIAL ENGINE TECHNOLOGIES INC 7 Greenwood Lane Valhalla NY 10595 914-686-9373 mosquitoesheaded dinner FiB Wakefield Rubber Wakefields quiet dignity took surprise After screaming Rossis Nelsons other 25cc engines day before pleasure hear occasional busted strand madly unwinding itself inside motor tube Up until now entertained amplified music predominantly American although competitors really paid attention nearing first position pole spectating rather flying contrast Wakefield fliers seemed business set up stooges assembled airplanes usually ready fly after winding motors removing planes winding stooges particular interest Americans electric thermal blankets European fliers using warm up rubber motors blanket connected electric cord power source sitting ground attached outside motor tube Velcro intense sun occasionally cooled scattered clouds shirtsleeve weather day Thermals generally spotty often small cylinders other hand some rounds saw eight 10 Wakefields circling together high altitude single massive thermal first round 210 seconds seemed easy enough target Yet 17 65 entrants including own George Xenakis failed make As George set pattern Roger Maves missed max second round Norm Furutani dropped third Both George Norm went difficult sixth rounds before finally maxing seventh luckier fliers sixth round caught massive cumulus cloud churned directly overhead about 30 minutes flew earlier also managed max Some took chances after thermal passed barely made max others dropped flight George dropped 11 seconds Seventeen fliers made flyoff rounds Poland USSR full teams Canadas Tony Matthews Doug Rousell North Americans Twelve survived six-minute round over field narrowed USSRs Aleksandar Andriukov dark horse Tony Matthews Andriukov well known both European American contest scenes Matthews relative unknown has recently attracted attention West Coast contests Except using thermal blanket Andriukovs style hasnt changed winds prop blades cocked feathered large platelike guard rotating behind Once Andriukov feels its time takes couple slow deep breaths mentally prepares himself hard strong vertical launch propeller kicks vertical momentum appears nearly exhausted contrast between Andriukovs auto-everything Matthewss KISS Keep Simple Stupid approach led us expect classic David-and-Goliath rematch Matthews surprised us touching down 19 seconds short Andriukovs 420-second max us probably would have happy see both win As soon over Matthews surrounded admirers eager 176 Model Aviation MODEL AIRCRAFT PRODUCTS AMAP cutter bow $17900 13 965-9504AMAP power supply$4900 Anodized available Add$1000 $6000 Length 49 h2l/2 ht 21 /2 WIng Cutter Three-piece T tail / tail also sell cut cores available airfoils MH42 MH43 MH62 MH64 7013 RGI5 RGI4A Foam cores $5000 7 53QFull Money-Back 3es35n antee& LAIR SLOPE 11/SPORT ELECTRIC Complete $6000 Length43Wdh3 ht340&6O5tzeMotorRewmmended Shp-on Nose Cone Fuselage made EZ Lam Epoxy Blue Foam 2 lb Density 24 X % X 2 $2900 ii] Aemspace Composite Pmducts Will cut shipping 12 X 48 please specify Bob Ratzlalf 1641 South Elismere Ave Los Angles CA 90019 ASW 171/4 Scale 4 M Basic Kit $28500 Thermal Phase Hand Launch 60 E 387 $5000 information flying techniques Wakefield designs Doug Rousell complemented Canadian achievement placing third closing ceremony elaborate Young women carrying placards announcing teams nationalities Serbo-Croatian paraded past reviewing stand advance team After awarding Team Individual perpetual trophies treated performance Yugoslavian dances post-ceremony banquet held another provincial hotel lasted early morning July 9 exchanged traditional toasts winners cups traded shirts pins decals US team supporters sorry see end glad first leg trip back home Observations view several practices becoming necessity Free Flight World Championships 1 use audible beepers tracking devices helps prevent model loss expensive rebuilding replacement 2 Russian bunt concept should used flyoffs thermals unlikely especially true Towline Glider bunt launching provides decided advantage 3 Serious practice competition flying types weather conditions including wind rain important World Championships time flight characteristics will predictable less erratic E Mid-CoIu mbia/Blakeslee Continued page 103 doing best avoid collisions Most time wont notice flag has dropped depends caller tell him Roll caller commands Turn second two later rules turns must always made / Use CA Adhesives Hinges full 15 MIle thick 4 mIle thicker other leadln brands * Bettor CA Penetration Ade~ IytrLife C0 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. t time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDI5j Uni VUIfo3 EATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H December 1991 177 away hilla right turn left end end course left turn right A turn generally involves rolling bit INTRODUCING Tri-FIi THREE GREAT WAYS TO FLI ONE AMAZING AIRPLANE TriFIir -" engineered field tested outstand ng performance n THREE different configurations Flis 48 folly symmetrical sportBy adding second sport wing wing converts Tri-FIi very solidTn-F/i youve got yourself escep groo sport planethatgoeswfrereyouandtional hi-plane Its slightly point t Take-otis landings slowchallenging single sport wing predictable esperienced flierhot takes off end lands very slowly will find ito joyThis aerobatic combinabon sore favorite Tn-Ph a total system flying Designed engineered thorosghly field tested give sport flier airplane wont grow tired kit contains semi-built fuse three pre-sheeted foam wings Assorted hardware included Recommended engine 40- 50 Speciat Introductory Price $12900 u 700 P&H Credit Card COO Orders call 313-254-0530 Send check Money Order TRS IndustriesFor information send $100 & SASE 42700 Mound Rd Sterling Hts Ml 48314YOU MAY NEVER NEED TO BUY ANOTHER AIRPLANEt
Edition: Model Aviation - 1991/12
Page Numbers: 91, 92, 93, 94, 95, 96, 97, 98, 175, 176, 177
-A awards ceremony si ugosiavian dancers capped y ElAt years FAI Free Flight Championships US teams Randy Archer outfiew best best 27 countries walk away 1991 world-beater FiC Power EFred Terzian AS FOLKS back home enjoyed annual Independence Day festivities FAI Free Flight community gathered Zrenjanin Yugoslavia start its annual World Championships July 4 through 8 1991 teams 28 countries vied trophies FlA Nordic Towline FtC Power FlB Wakefield Rubber Spain Norway did attend year Randy Archer US walked away world title FIC Power Given weather field conditions along world-class competition Archers triumph required total commitment US team its contingent supporters superb win Getting us worried increasing ethnic strife Yugoslavia would force cancellation years contest organizers Yugoslavian consular services assured us region wed flying safely removed violence Most team supporters took direct Lufthansa 747 flight Los Angeles Frankfurt Germany June 26 Roger Marie Maves Ken Denise Phair flew out Colorado connecting different flight Frankfurt George Xenakis flew Lufthansa San Francisco arrived several hours ahead everyone else Frankfurt connected smaller Boeing 727 Budapest Hungary picked up rental cars drove center town night Hotel Volga caravamied out Budapest about 900 next morning So far weather cold windy overcastjust opposite typical summer Baltics drive Zrenjanin stalled Hungarian/Yugoslavian December 1991 91 ii II uo team ja nigni _ates team Back ri. nI saissant team manager Hector Diez - Oliver Ken rnalr Handy Archer Team Manager Walt Ghio Front row left right George vurulunI international FAI team selection rIgorously competitive s Austr I admires ins I-Al worig Lnwilpui5hlP5 perpetual trophies far ctacular cut crystal Daumene Cup awarded highest placing Fl team border choked vacationers heading Baltics avoid trouble spots farther westward Rather waste gas turn car engines off put vehicles neutral pushed ride took about nine hours three hours longer planned border crossing point overwhelmed incoming traffic saw few cars leaving Yugoslavia further reassured us political situation would remain calm Upon arrival Hotel Vojvodina Zrenjanin US Team Manager Walt Ghio lost no time arranging room assignments before evening meal Teams PAN Cup World Cup contest scheduled week before championships also hand Registration processing event took place next day teams limited budget stayed less expensive hotels hostels Some fliers opted official riverside campground near flying site Since tap water appeared unsuitable drinking used bottled beverages Problems Everyone worried about weather on-and-off rain persisted could well affect flying strategies Individuals teams planned perpetual trophies worKs art left row front back Franjo Kluz trophy Kosmonautica Vase both Fl C Team Victor Tatln Cup Fl C dividual right row front back Renaud Cup Fl B Team Wake field Cup FiB Individual enter PAN Cup wanted test fly balked because wind rain first disappointment came breakfast next morning Three Ken Phairs FiC ships damaged transitcause unknown Ken hardly slept night neednt have worried US Glider Power fliers immediately mobilized repair damage memory serves three fuselages set wings severely moderately bent cracked guys worked wonders sawed spliced taped restraightened fuselages Jim Parker feverishly built 92 Model Aviation Whats World Championships lunch little unwinding tent Denise Phalr poses US teams slightly used motorcycle Above Japanese team dressed little differently day-gb green jackets fancy logos Right plethora items fered sale bargain-hunters element U Lull M55I5l5 team manager nectar ulez prepares Jim Parkers FlA Glider five-minute flyoff Parkers canny strategy round left him tied USSRs Makarov second third places Right British Team Manager Martin Dilly holding Glider appears con versing renowned Fl C Power flier Evgeny Verbitsky Unseasonably cold rainy weather plagued much contest alignment jig atop Phairs model box Ken Oliver searched high low microballoons baking soda items everyone seemed have forgotten bring George Xenakis some no asked him Oliver checked contest organizers translate baking soda kitchen staff No luck scoured local groceries Still no luck Suddenly remembered wife Lynn packed surplus Sweet n LowTM packets coffee seemed close granular consistency baking soda maybe would work CyA strengthener Voila According Oliver sugar substitute harder sandI suggested lick off excess otherwise worked well baking soda Randy Archer supply carbon/Kevlar sleeves different diameters used strengthen align interior Kens tail booms wing panel separated near trailing edge juncture top bottom aluminum panels first thought cabin pressure may have severed skin foam interior Ken blamed other factors repairs held up during next few days test flying before PAN Cup Ken would have confidence needed championships Field conditions flew broad flat plain just outside town Aradac Everything green relatively soft December 1991 93 - II Left The winners FlA Nordic Towline Glider Mlkhail Kochkarov USSR center first place Sergei Makarov USSR left second place Jim Parker US right third place Right Bob lsaacson holds Randy Wellers Glider prior launch Fl Nordic Towline Two fliers Finlandss F Left US FiB filers Team Manager Walt Ghio second right during round six Ghlos left George Xenakis Roger Maves right Norm Furutani Right French Fl B filer Gemid Nocque packs turns Note interesting spiral lines Nocques tail boom recent rains appearances excellent site little test flying revealed unexpectedly treacherous conditions Scattered over field low spots tall grasses As fliers helpers attempting keep eye downwind airplane soon discovered hidden beneath innocent-looking grasses lurked outcroppings dirt maybe 12 14 inches high bumpy LEGO block Often muddy full water areas swarmed insects whenever sun came out wind died down like flying bog Insect repellent became order day chase teams quickly repositioned further downwind Retrieval Only two teams brought chase bikes motorcycles too oger Huppert Switzerland launches FiB ship Wakefield pilots usually flew shortly after winding motors remov ing model winding stooge somewhat hindered mud rough terrain Ken Oliver took task appropriating bike way organizers second day PAN Cup US team spent $200 borrowed motorcycle made downwind recovery much easier especially during FiC Power rounds flights traveled long distance Trying shift gears clutch handle carrying plane could tricky though especially muddier rougher ground Opening ceremonies scheduled evening Fourth July 94 Model Aviation LI FiB winners L R Tony Matthews Canada second place Aieicsafldar AndfluKOV USSH nrst place uoug ouseum anaaa third pluGs Right Roger Mavess beautifully trimmed FiB Wakefield Rubber ship perfect July Fourth opening ceremonies xi 1 V Frances Pierre Chassebourg winds d hand Bob White designed Chasse bourgs Fl B Wakefield model tipuiu un InC urptane center parade grounds Partizan Recreation Center Zrenjanin July 4th national holiday Yugoslavia too Because rain squalls ceremonies rescheduled precede first official round weather still hadnt cleared canceled altogether Assistant team manager Martyn Cowley injured automobile accident France unable attend US Team Manager Walt Ghio assigned Hector Diez stand Martyn Walt Hector worked out strategies both model retrieval downwind communication walkie-talkies FiB FiC fliers acted spotters retrievers FlA rounds allowing Glider team members assist another launch thermal hunting chase crew would try hand off Glider flier midpoint downwind prepare next flier system worked pretty well throughout contest oaly way improve would through higher quality radio communications equipment During test flying weather field conditions began causing trouble Models lost through poor adjustments transition during official practices Nordic fliers often kited airplanes wind picked up teams chased Power models long way downwind As some first lose airplanes Aussies Brits brought back reports obstacles confronted Running some canals about mile downwind south found couple crossing points discovered field chest-high cornstalks other side cornfield continued treeline bordering north/south levee Beyond anybodys guess Most top competitors FiC Power flew aluminum-skinned planes have become traditional category Quite few older lower aspect ratio models seen Italys Mario Rocca still individualist uses geodetic-trussed tissue-covered wings tails short tail skids caused hard landings both tip dihedral joints required repairs December 1991 95 Left triumphant Randy Archer center hoists FiC Power World Championship trophy Flanking US title holder second-place fin isher Evgeny Verbitaky USSR left third-place winner Xlan Wang China right Right future Fl C Champion prepares launch early morning round Randys high altitude made difference decisive flyoff round Left Third-place finisher Xian Wang China clean-lined FiC ship Right Mario Rocca Italy repairs dihedral breaks FiC ship its distinctive geodetic-trussed tissue-covered wing tail Roccas model very few built-up Power designs FlA Nordic Towline Seventy-five competitors flew outstanding fliers parts globe including two Chinas Wei Wang studies teams ther- Ken Oliver launches Fl C V-Max design mal recorder before launch Fl C spectators liked both flier plane Left Polands Jan Ochman prepares FiC Power airplane Right Evgeny Verbitsky launches ABS-Rotor-sponsored ship atter Randy Archer takes lead final FiC flyoff round Despite slower efficient glide Verbitsky never caught up Randys altitude US eliminated flyoffs Wind rain slippery field conditions made first rounds tricky US team member Bob Isaacson still nursing knee injured US Free Flight Champs May reinjured slipping mud first round Bob immediately experienced problems towing rain Glider snaked back forth slowing forward progress attempted keep diving ground finally succeeded launching off line model began stallthe wet conditions shifted center-of-gravity Though Bob perfect score throughout remaining six rounds missed max ultimately flyoffs partly because rainwater clinging tissue-covered stabilizer Teammate Randy Weiler did well until missed max 12 seconds third round fliers dropped round other Rain squalls moved out some heavy enough suspend start round everyone ran shelter processing tents cars sought refuge large canvas-covered tent lunch served immediately attacked mosquitoes waiting out storm Thirteen fliers including Jim Parker US maxed out made flyoff rounds Germany North Korea Soviet Union two fliers no full teams represented Four flierstwo Russians German Jim Parkersurvived four-minute round Jim predicted strategy five-minute round almost once Sure enough Russians began towing trailing German other took off after him become almost dead calm scattered clouds no rain Fliers searched vain patch lift Russian chased German around through processing area parked vehicles Jim made second Russian struggle near bogs marshes released Gliders drift toward southwest line parked cars timers would have chase models drifted beyond clear view word came Russians Mikhail Kochkarov achieved five-minute goal German Uwe Rusch come down after three minutes still didnt know Jims Joshua design Sergei Makarovs bunter fared Jims Glider stayed clear view descended supporters desperately waved T-shirts vain attempt break away nonexistent thermal Meanwhile Makarovs Glider flew over cluster cars buses descending what seemed difficult direction timers unclear whether Makarovs two timers actually saw plane hit ground apparenfly kept view passed behind vehicle after another Comparing stopwatches timers called tie four minutes 20 secondsan absolutely amazing coincidence As Parker girded tie-breaker round would decide second third places US contingent saw what up against Since little chance finding isolated patch lift better gliding model would have advantage second factor however Makarovs use bunt launch Russians have perfected bunting Gliders Nordic Towline event fact both Kochkarov Makarov have collaborated very sophisticated multifunction timer tow hook bunt wing-wiggler setupand obviously have mastered its use flare fired Parker took Makarov minimarathon over rises hummocks around bogs depressions approached herders sheep pen about 200 yards northeast gradually worked way back Jim zoomed Glider perfect release off line general cheers 96 Model Aviation Xian Wang China launches hiL shIp final flyoff round Wang finished hind Archer Verbitsky third place Oliver poinis ow nanay rcnur u uur plane during final flyoff round gave Randy world title Fl C anay Arcner ana u earn manager Walt Ghio make final adjustments Randys Power ship tension builds deci sive nine-minute flyoff round FiC STINSON SR-a 1/5 SCALE 100 DeHAVILLAND DEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4SCAIF nfl whistles applause Within seconds Sergei Makarov shot plane 15 20 feet above Jims perfect bunt transition Unless hit hole Makarov clearly second place edged Jim out 65 seconds everyone enjoyed spectacular finish FtC Power Fog broke out early morning FlC Power day dissipated well before first round Fliers fired up engines testing overall performance well fuel compatibility balky engines critical trim settings Dampness previous days rains sent downwind spotters chasers looking new routes car motorcycle foot travel strategy changed flights shorter expected motorcycle would midway between flight line crews farthest downwind driver also would closer folks carrying walkie-talkies making easier confirm position flying model Ken Olivers Power ship probably unusual configuration its V-dihedral wing tiplets definitely drew largest crowds People took measurements photographs chance got Kens test flight altitudes compared very best observers thought design definitely competitive As luck would have though Oliver missed required four-minute first round 60 seconds didnt see launch told later simply picked bad air Though Ken easily maxed remaining six flights mentioned glide turns too open Possibly because tiplets ship veered like weathervane winds picked up Ken plans additional refinements very competitive design took exhaustive testing before during after PAN Cup Ken Phair airplanes repaired flying properly contest time moved smoothly through first three rounds Continued page 98 FOAMAIRE 10 SPAN su-js Lii, eo-75 UC POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 L 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOOD CHOOSE 3 OR 4 CH SLOW AND STABLE KIT $26995 SPDKIT$1995 $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOG RT 1 NEODESHA KS 66757 OF SAC KITS AND ACC 316325-2821 FREE SHIPPING ON KIT ORDERS SA/MASTERCARD December 1991 97 MAULE M51M6 ROCKET 1/4 SCALE 98 drawn ranks ariuaIv ext ur fine FAIRCHILD 24 GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 WACO 10 1/5 SCALE 73 yourself favor IKON NWST Kit n world wide finest scale kits knocked 41 seconds off potential max disastrous fourth Ken wasnt alone Most competitors dropped max fourth round four lost chance flyoffs Eighteen contenders made flyoffs China Poland full teams four countries two-flier contingents pilots bunters used beepers transmitting devices downwind recovery devices becoming essential uneven terrain tall crops make line-ofsight tracking impossible Despite desperate searches ultralight foot some airplanes never found Using Jim Walston-designed tracking device Randy Archer discovered early could within 10 feet plane corn rows see After decreasing trackers sensitivity knew hidden ship close took several stepsand almost tripped over Randy looked consistently good confidence teams recovery flights downwind left him free concentrate flying picking air preparing backup ships necessary flyoffs intense Only four competitors dropped four-minute flight darkness fell before rounds completed Contest officials hoped wind things up before first Wakefield round next morning conditions forced second postponement until after FiB competition seven-minute round began seven competitors no full teams Being some distance radio communications sat motorcycle slightly north official field headquarters waiting round begin Xenakis Furutani about 400 yards south Parker Weiler others about same distance beyond saw Power ships approach thought saw Archers heading slightly left Gunning engine cycle stayed beneath plane until ran out Continued page 175 -IwT7 60 Engine Size Epoxy Fiberglass Fuselage Kit Super Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt -lirobo GMP & Schluter Gear Flesable Tail Drive Unit Wood Kit includes Bodys Clear Canopy Landing F ware Manual Blueprint someI models also include Fitotstation Machine Gun Rocket Radar Dome & Shocks AH-1 STOW COBRA 36995 AH-64 APACHE 38995 UH-1 B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 HOBBY DEALERS & HOBBIES CALL WRITE CATALOG ____________________Ph 408-942-9525 521 Sinclair Frontage Rd Milpitas CA 95035 FAX 408-942-9524 98 Model Aviation UPGRAJED & UPDATED MODIFIED AIRFRAME NEW SINGLE SHEET ROLLED PLANS NEW STEP-BY-STEP INSTRUCTIONS DETAILED ISOMETRIC DRAWINGS QUICKER MORE COMPLETE BUILDING THE SAME VFRV TARI F FLYING PLAI I-UI-IM EXCELLENTIARACTERISTICS Wing Span. Wing Area730 sq Wing Chord145 Fuselage Length57 Fuselage Width max65 ON THE DRAWIt Stabilizer Span23Cowl Diameter65 Stabilizer Area120 sqCowl Depth35 Stabilizer Chord55 Two Cycle Engine60Fin Height10 Weight8-10 lbsFin Area59 sq WORLD CLASS RIO HELICOPTERS & ACCESSORIES IMPORT & EXPORT Well gang wraps up another couple months Remember National Help-a-Junior Avoid-FlyingNear-Power-Lines Month Happy landingsE FF World Champs/Terzian Continued page 98 traversable territory model dethermalized crop sunflowers saw someone working way toward first assumed Id tracking wrong airplane quick scan skies turned up no other familiar-looking planes rode down George Xenakis positioned himself radio see knew whereabouts Randys model George also thought Randys headed back intercept whoever carrying itone British assistants turned out handed plane over warned could disqualified Retrieval vehicles explained banned during flyoffs Concerned rode back join Xenakis asked knew such rule play safe abandoned motorcycle began walking airplane mile flight line hoping relieved US helper going other way reached Randys pole position before start next flyoff round Randy didnt need backup ship got observe round No expected flying go beyond seven-minute mark since four competitors still clean seemed prudent move flight line far upwind possible almost road leading town Aradac idea help fliers avoid downwind crops trees improving timers chances seeing descending planes low-light conditions nine-minute round four-way contest among Randy Archer Xian Wang China Evgeny Verbitsky Valery Strukov Soviet Union Randy faced serious competitionparticularly Verbitsky plane seemed have best glide Still Americans strong hopes medal flier decide himself close set clockwork timers maximize engine run time seven seconds gain little altitude Rather chancing overrun hands potentially inexperienced official timer Walt Randy left settings alone Everyone spectators included watched Randys airplane break 540 seconds apparently Randys official timers stopped watch prematurely time confirmed official interpretationand official watches Sandy Pimenoff fortunately present part FM Jury pulled both timers aside interpreted results Pimenoff ruled favor Randys nine-minute max nearly nine oclock evening sun almost grazed horizon flying continued past sunset models would difficult see fliers wired up teams supporters suspenseand flyoffs would go still substantial drift south toward distant treeline horizon turnabout Randy fired up engine almost immediately launched Verbitsky Wang grappled glow plug leads tried catch up Randy made near-vertical climb settled slow-turning glide picture-perfect transiton Screaming reach same altitude air Verbitskys ABS-Rotor-sponsored ship developed stall after bunt transition Wangs airplane also stalled Both models eventually settled proper glide lost altitude process Though clear three planes drifted downwind Verbitskys slowest efficient glide Randys altitude won day As design Randys Glider touched down just sunset long dayand exciting us Americans new F lC World Champion accepted congratulations rivals spectatorsincluding December 1991 175 YOU DESERVE TOP GUN hIKE GR6-120 2-CYCLE FOR CHRISTMAS 16 LBS OF THRUST 83 DIA 2 YEARS OF SATISFIED CUSTOMERS EQUIVALENT ENGINE POWER G38 040 5T3000 HIGH RELIABILITY AVAILABLE WITH McDANIEL GLO-DRIVER SHOWN LIMITED LIFETIME GUARANTEE PRICED AT ONLY $925 RECOMMENDED AND TESTED BY TIlE EXPERTS Clarence Lee RCM JUNE 91 Pretty Impressive performance MIKE GR6-120 develops exceptional power extremely low vIbration 8000 rpm 18/8 outstanding 4 stroke radial comparable power sells $400-$500 Siu Richmond MODEL BUILDER OCTOBER 90 engine class itself nothing compares time vibration free engine next Wankel RADIAL ENGINE TECHNOLOGIES INC 7 Greenwood Lane Valhalla NY 10595 914-686-9373 mosquitoesheaded dinner FiB Wakefield Rubber Wakefields quiet dignity took surprise After screaming Rossis Nelsons other 25cc engines day before pleasure hear occasional busted strand madly unwinding itself inside motor tube Up until now entertained amplified music predominantly American although competitors really paid attention nearing first position pole spectating rather flying contrast Wakefield fliers seemed business set up stooges assembled airplanes usually ready fly after winding motors removing planes winding stooges particular interest Americans electric thermal blankets European fliers using warm up rubber motors blanket connected electric cord power source sitting ground attached outside motor tube Velcro intense sun occasionally cooled scattered clouds shirtsleeve weather day Thermals generally spotty often small cylinders other hand some rounds saw eight 10 Wakefields circling together high altitude single massive thermal first round 210 seconds seemed easy enough target Yet 17 65 entrants including own George Xenakis failed make As George set pattern Roger Maves missed max second round Norm Furutani dropped third Both George Norm went difficult sixth rounds before finally maxing seventh luckier fliers sixth round caught massive cumulus cloud churned directly overhead about 30 minutes flew earlier also managed max Some took chances after thermal passed barely made max others dropped flight George dropped 11 seconds Seventeen fliers made flyoff rounds Poland USSR full teams Canadas Tony Matthews Doug Rousell North Americans Twelve survived six-minute round over field narrowed USSRs Aleksandar Andriukov dark horse Tony Matthews Andriukov well known both European American contest scenes Matthews relative unknown has recently attracted attention West Coast contests Except using thermal blanket Andriukovs style hasnt changed winds prop blades cocked feathered large platelike guard rotating behind Once Andriukov feels its time takes couple slow deep breaths mentally prepares himself hard strong vertical launch propeller kicks vertical momentum appears nearly exhausted contrast between Andriukovs auto-everything Matthewss KISS Keep Simple Stupid approach led us expect classic David-and-Goliath rematch Matthews surprised us touching down 19 seconds short Andriukovs 420-second max us probably would have happy see both win As soon over Matthews surrounded admirers eager 176 Model Aviation MODEL AIRCRAFT PRODUCTS AMAP cutter bow $17900 13 965-9504AMAP power supply$4900 Anodized available Add$1000 $6000 Length 49 h2l/2 ht 21 /2 WIng Cutter Three-piece T tail / tail also sell cut cores available airfoils MH42 MH43 MH62 MH64 7013 RGI5 RGI4A Foam cores $5000 7 53QFull Money-Back 3es35n antee& LAIR SLOPE 11/SPORT ELECTRIC Complete $6000 Length43Wdh3 ht340&6O5tzeMotorRewmmended Shp-on Nose Cone Fuselage made EZ Lam Epoxy Blue Foam 2 lb Density 24 X % X 2 $2900 ii] Aemspace Composite Pmducts Will cut shipping 12 X 48 please specify Bob Ratzlalf 1641 South Elismere Ave Los Angles CA 90019 ASW 171/4 Scale 4 M Basic Kit $28500 Thermal Phase Hand Launch 60 E 387 $5000 information flying techniques Wakefield designs Doug Rousell complemented Canadian achievement placing third closing ceremony elaborate Young women carrying placards announcing teams nationalities Serbo-Croatian paraded past reviewing stand advance team After awarding Team Individual perpetual trophies treated performance Yugoslavian dances post-ceremony banquet held another provincial hotel lasted early morning July 9 exchanged traditional toasts winners cups traded shirts pins decals US team supporters sorry see end glad first leg trip back home Observations view several practices becoming necessity Free Flight World Championships 1 use audible beepers tracking devices helps prevent model loss expensive rebuilding replacement 2 Russian bunt concept should used flyoffs thermals unlikely especially true Towline Glider bunt launching provides decided advantage 3 Serious practice competition flying types weather conditions including wind rain important World Championships time flight characteristics will predictable less erratic E Mid-CoIu mbia/Blakeslee Continued page 103 doing best avoid collisions Most time wont notice flag has dropped depends caller tell him Roll caller commands Turn second two later rules turns must always made / Use CA Adhesives Hinges full 15 MIle thick 4 mIle thicker other leadln brands * Bettor CA Penetration Ade~ IytrLife C0 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. t time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDI5j Uni VUIfo3 EATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H December 1991 177 away hilla right turn left end end course left turn right A turn generally involves rolling bit INTRODUCING Tri-FIi THREE GREAT WAYS TO FLI ONE AMAZING AIRPLANE TriFIir -" engineered field tested outstand ng performance n THREE different configurations Flis 48 folly symmetrical sportBy adding second sport wing wing converts Tri-FIi very solidTn-F/i youve got yourself escep groo sport planethatgoeswfrereyouandtional hi-plane Its slightly point t Take-otis landings slowchallenging single sport wing predictable esperienced flierhot takes off end lands very slowly will find ito joyThis aerobatic combinabon sore favorite Tn-Ph a total system flying Designed engineered thorosghly field tested give sport flier airplane wont grow tired kit contains semi-built fuse three pre-sheeted foam wings Assorted hardware included Recommended engine 40- 50 Speciat Introductory Price $12900 u 700 P&H Credit Card COO Orders call 313-254-0530 Send check Money Order TRS IndustriesFor information send $100 & SASE 42700 Mound Rd Sterling Hts Ml 48314YOU MAY NEVER NEED TO BUY ANOTHER AIRPLANEt
Edition: Model Aviation - 1991/12
Page Numbers: 91, 92, 93, 94, 95, 96, 97, 98, 175, 176, 177
-A awards ceremony si ugosiavian dancers capped y ElAt years FAI Free Flight Championships US teams Randy Archer outfiew best best 27 countries walk away 1991 world-beater FiC Power EFred Terzian AS FOLKS back home enjoyed annual Independence Day festivities FAI Free Flight community gathered Zrenjanin Yugoslavia start its annual World Championships July 4 through 8 1991 teams 28 countries vied trophies FlA Nordic Towline FtC Power FlB Wakefield Rubber Spain Norway did attend year Randy Archer US walked away world title FIC Power Given weather field conditions along world-class competition Archers triumph required total commitment US team its contingent supporters superb win Getting us worried increasing ethnic strife Yugoslavia would force cancellation years contest organizers Yugoslavian consular services assured us region wed flying safely removed violence Most team supporters took direct Lufthansa 747 flight Los Angeles Frankfurt Germany June 26 Roger Marie Maves Ken Denise Phair flew out Colorado connecting different flight Frankfurt George Xenakis flew Lufthansa San Francisco arrived several hours ahead everyone else Frankfurt connected smaller Boeing 727 Budapest Hungary picked up rental cars drove center town night Hotel Volga caravamied out Budapest about 900 next morning So far weather cold windy overcastjust opposite typical summer Baltics drive Zrenjanin stalled Hungarian/Yugoslavian December 1991 91 ii II uo team ja nigni _ates team Back ri. nI saissant team manager Hector Diez - Oliver Ken rnalr Handy Archer Team Manager Walt Ghio Front row left right George vurulunI international FAI team selection rIgorously competitive s Austr I admires ins I-Al worig Lnwilpui5hlP5 perpetual trophies far ctacular cut crystal Daumene Cup awarded highest placing Fl team border choked vacationers heading Baltics avoid trouble spots farther westward Rather waste gas turn car engines off put vehicles neutral pushed ride took about nine hours three hours longer planned border crossing point overwhelmed incoming traffic saw few cars leaving Yugoslavia further reassured us political situation would remain calm Upon arrival Hotel Vojvodina Zrenjanin US Team Manager Walt Ghio lost no time arranging room assignments before evening meal Teams PAN Cup World Cup contest scheduled week before championships also hand Registration processing event took place next day teams limited budget stayed less expensive hotels hostels Some fliers opted official riverside campground near flying site Since tap water appeared unsuitable drinking used bottled beverages Problems Everyone worried about weather on-and-off rain persisted could well affect flying strategies Individuals teams planned perpetual trophies worKs art left row front back Franjo Kluz trophy Kosmonautica Vase both Fl C Team Victor Tatln Cup Fl C dividual right row front back Renaud Cup Fl B Team Wake field Cup FiB Individual enter PAN Cup wanted test fly balked because wind rain first disappointment came breakfast next morning Three Ken Phairs FiC ships damaged transitcause unknown Ken hardly slept night neednt have worried US Glider Power fliers immediately mobilized repair damage memory serves three fuselages set wings severely moderately bent cracked guys worked wonders sawed spliced taped restraightened fuselages Jim Parker feverishly built 92 Model Aviation Whats World Championships lunch little unwinding tent Denise Phalr poses US teams slightly used motorcycle Above Japanese team dressed little differently day-gb green jackets fancy logos Right plethora items fered sale bargain-hunters element U Lull M55I5l5 team manager nectar ulez prepares Jim Parkers FlA Glider five-minute flyoff Parkers canny strategy round left him tied USSRs Makarov second third places Right British Team Manager Martin Dilly holding Glider appears con versing renowned Fl C Power flier Evgeny Verbitsky Unseasonably cold rainy weather plagued much contest alignment jig atop Phairs model box Ken Oliver searched high low microballoons baking soda items everyone seemed have forgotten bring George Xenakis some no asked him Oliver checked contest organizers translate baking soda kitchen staff No luck scoured local groceries Still no luck Suddenly remembered wife Lynn packed surplus Sweet n LowTM packets coffee seemed close granular consistency baking soda maybe would work CyA strengthener Voila According Oliver sugar substitute harder sandI suggested lick off excess otherwise worked well baking soda Randy Archer supply carbon/Kevlar sleeves different diameters used strengthen align interior Kens tail booms wing panel separated near trailing edge juncture top bottom aluminum panels first thought cabin pressure may have severed skin foam interior Ken blamed other factors repairs held up during next few days test flying before PAN Cup Ken would have confidence needed championships Field conditions flew broad flat plain just outside town Aradac Everything green relatively soft December 1991 93 - II Left The winners FlA Nordic Towline Glider Mlkhail Kochkarov USSR center first place Sergei Makarov USSR left second place Jim Parker US right third place Right Bob lsaacson holds Randy Wellers Glider prior launch Fl Nordic Towline Two fliers Finlandss F Left US FiB filers Team Manager Walt Ghio second right during round six Ghlos left George Xenakis Roger Maves right Norm Furutani Right French Fl B filer Gemid Nocque packs turns Note interesting spiral lines Nocques tail boom recent rains appearances excellent site little test flying revealed unexpectedly treacherous conditions Scattered over field low spots tall grasses As fliers helpers attempting keep eye downwind airplane soon discovered hidden beneath innocent-looking grasses lurked outcroppings dirt maybe 12 14 inches high bumpy LEGO block Often muddy full water areas swarmed insects whenever sun came out wind died down like flying bog Insect repellent became order day chase teams quickly repositioned further downwind Retrieval Only two teams brought chase bikes motorcycles too oger Huppert Switzerland launches FiB ship Wakefield pilots usually flew shortly after winding motors remov ing model winding stooge somewhat hindered mud rough terrain Ken Oliver took task appropriating bike way organizers second day PAN Cup US team spent $200 borrowed motorcycle made downwind recovery much easier especially during FiC Power rounds flights traveled long distance Trying shift gears clutch handle carrying plane could tricky though especially muddier rougher ground Opening ceremonies scheduled evening Fourth July 94 Model Aviation LI FiB winners L R Tony Matthews Canada second place Aieicsafldar AndfluKOV USSH nrst place uoug ouseum anaaa third pluGs Right Roger Mavess beautifully trimmed FiB Wakefield Rubber ship perfect July Fourth opening ceremonies xi 1 V Frances Pierre Chassebourg winds d hand Bob White designed Chasse bourgs Fl B Wakefield model tipuiu un InC urptane center parade grounds Partizan Recreation Center Zrenjanin July 4th national holiday Yugoslavia too Because rain squalls ceremonies rescheduled precede first official round weather still hadnt cleared canceled altogether Assistant team manager Martyn Cowley injured automobile accident France unable attend US Team Manager Walt Ghio assigned Hector Diez stand Martyn Walt Hector worked out strategies both model retrieval downwind communication walkie-talkies FiB FiC fliers acted spotters retrievers FlA rounds allowing Glider team members assist another launch thermal hunting chase crew would try hand off Glider flier midpoint downwind prepare next flier system worked pretty well throughout contest oaly way improve would through higher quality radio communications equipment During test flying weather field conditions began causing trouble Models lost through poor adjustments transition during official practices Nordic fliers often kited airplanes wind picked up teams chased Power models long way downwind As some first lose airplanes Aussies Brits brought back reports obstacles confronted Running some canals about mile downwind south found couple crossing points discovered field chest-high cornstalks other side cornfield continued treeline bordering north/south levee Beyond anybodys guess Most top competitors FiC Power flew aluminum-skinned planes have become traditional category Quite few older lower aspect ratio models seen Italys Mario Rocca still individualist uses geodetic-trussed tissue-covered wings tails short tail skids caused hard landings both tip dihedral joints required repairs December 1991 95 Left triumphant Randy Archer center hoists FiC Power World Championship trophy Flanking US title holder second-place fin isher Evgeny Verbitaky USSR left third-place winner Xlan Wang China right Right future Fl C Champion prepares launch early morning round Randys high altitude made difference decisive flyoff round Left Third-place finisher Xian Wang China clean-lined FiC ship Right Mario Rocca Italy repairs dihedral breaks FiC ship its distinctive geodetic-trussed tissue-covered wing tail Roccas model very few built-up Power designs FlA Nordic Towline Seventy-five competitors flew outstanding fliers parts globe including two Chinas Wei Wang studies teams ther- Ken Oliver launches Fl C V-Max design mal recorder before launch Fl C spectators liked both flier plane Left Polands Jan Ochman prepares FiC Power airplane Right Evgeny Verbitsky launches ABS-Rotor-sponsored ship atter Randy Archer takes lead final FiC flyoff round Despite slower efficient glide Verbitsky never caught up Randys altitude US eliminated flyoffs Wind rain slippery field conditions made first rounds tricky US team member Bob Isaacson still nursing knee injured US Free Flight Champs May reinjured slipping mud first round Bob immediately experienced problems towing rain Glider snaked back forth slowing forward progress attempted keep diving ground finally succeeded launching off line model began stallthe wet conditions shifted center-of-gravity Though Bob perfect score throughout remaining six rounds missed max ultimately flyoffs partly because rainwater clinging tissue-covered stabilizer Teammate Randy Weiler did well until missed max 12 seconds third round fliers dropped round other Rain squalls moved out some heavy enough suspend start round everyone ran shelter processing tents cars sought refuge large canvas-covered tent lunch served immediately attacked mosquitoes waiting out storm Thirteen fliers including Jim Parker US maxed out made flyoff rounds Germany North Korea Soviet Union two fliers no full teams represented Four flierstwo Russians German Jim Parkersurvived four-minute round Jim predicted strategy five-minute round almost once Sure enough Russians began towing trailing German other took off after him become almost dead calm scattered clouds no rain Fliers searched vain patch lift Russian chased German around through processing area parked vehicles Jim made second Russian struggle near bogs marshes released Gliders drift toward southwest line parked cars timers would have chase models drifted beyond clear view word came Russians Mikhail Kochkarov achieved five-minute goal German Uwe Rusch come down after three minutes still didnt know Jims Joshua design Sergei Makarovs bunter fared Jims Glider stayed clear view descended supporters desperately waved T-shirts vain attempt break away nonexistent thermal Meanwhile Makarovs Glider flew over cluster cars buses descending what seemed difficult direction timers unclear whether Makarovs two timers actually saw plane hit ground apparenfly kept view passed behind vehicle after another Comparing stopwatches timers called tie four minutes 20 secondsan absolutely amazing coincidence As Parker girded tie-breaker round would decide second third places US contingent saw what up against Since little chance finding isolated patch lift better gliding model would have advantage second factor however Makarovs use bunt launch Russians have perfected bunting Gliders Nordic Towline event fact both Kochkarov Makarov have collaborated very sophisticated multifunction timer tow hook bunt wing-wiggler setupand obviously have mastered its use flare fired Parker took Makarov minimarathon over rises hummocks around bogs depressions approached herders sheep pen about 200 yards northeast gradually worked way back Jim zoomed Glider perfect release off line general cheers 96 Model Aviation Xian Wang China launches hiL shIp final flyoff round Wang finished hind Archer Verbitsky third place Oliver poinis ow nanay rcnur u uur plane during final flyoff round gave Randy world title Fl C anay Arcner ana u earn manager Walt Ghio make final adjustments Randys Power ship tension builds deci sive nine-minute flyoff round FiC STINSON SR-a 1/5 SCALE 100 DeHAVILLAND DEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4SCAIF nfl whistles applause Within seconds Sergei Makarov shot plane 15 20 feet above Jims perfect bunt transition Unless hit hole Makarov clearly second place edged Jim out 65 seconds everyone enjoyed spectacular finish FtC Power Fog broke out early morning FlC Power day dissipated well before first round Fliers fired up engines testing overall performance well fuel compatibility balky engines critical trim settings Dampness previous days rains sent downwind spotters chasers looking new routes car motorcycle foot travel strategy changed flights shorter expected motorcycle would midway between flight line crews farthest downwind driver also would closer folks carrying walkie-talkies making easier confirm position flying model Ken Olivers Power ship probably unusual configuration its V-dihedral wing tiplets definitely drew largest crowds People took measurements photographs chance got Kens test flight altitudes compared very best observers thought design definitely competitive As luck would have though Oliver missed required four-minute first round 60 seconds didnt see launch told later simply picked bad air Though Ken easily maxed remaining six flights mentioned glide turns too open Possibly because tiplets ship veered like weathervane winds picked up Ken plans additional refinements very competitive design took exhaustive testing before during after PAN Cup Ken Phair airplanes repaired flying properly contest time moved smoothly through first three rounds Continued page 98 FOAMAIRE 10 SPAN su-js Lii, eo-75 UC POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 L 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOOD CHOOSE 3 OR 4 CH SLOW AND STABLE KIT $26995 SPDKIT$1995 $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOG RT 1 NEODESHA KS 66757 OF SAC KITS AND ACC 316325-2821 FREE SHIPPING ON KIT ORDERS SA/MASTERCARD December 1991 97 MAULE M51M6 ROCKET 1/4 SCALE 98 drawn ranks ariuaIv ext ur fine FAIRCHILD 24 GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 WACO 10 1/5 SCALE 73 yourself favor IKON NWST Kit n world wide finest scale kits knocked 41 seconds off potential max disastrous fourth Ken wasnt alone Most competitors dropped max fourth round four lost chance flyoffs Eighteen contenders made flyoffs China Poland full teams four countries two-flier contingents pilots bunters used beepers transmitting devices downwind recovery devices becoming essential uneven terrain tall crops make line-ofsight tracking impossible Despite desperate searches ultralight foot some airplanes never found Using Jim Walston-designed tracking device Randy Archer discovered early could within 10 feet plane corn rows see After decreasing trackers sensitivity knew hidden ship close took several stepsand almost tripped over Randy looked consistently good confidence teams recovery flights downwind left him free concentrate flying picking air preparing backup ships necessary flyoffs intense Only four competitors dropped four-minute flight darkness fell before rounds completed Contest officials hoped wind things up before first Wakefield round next morning conditions forced second postponement until after FiB competition seven-minute round began seven competitors no full teams Being some distance radio communications sat motorcycle slightly north official field headquarters waiting round begin Xenakis Furutani about 400 yards south Parker Weiler others about same distance beyond saw Power ships approach thought saw Archers heading slightly left Gunning engine cycle stayed beneath plane until ran out Continued page 175 -IwT7 60 Engine Size Epoxy Fiberglass Fuselage Kit Super Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt -lirobo GMP & Schluter Gear Flesable Tail Drive Unit Wood Kit includes Bodys Clear Canopy Landing F ware Manual Blueprint someI models also include Fitotstation Machine Gun Rocket Radar Dome & Shocks AH-1 STOW COBRA 36995 AH-64 APACHE 38995 UH-1 B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 HOBBY DEALERS & HOBBIES CALL WRITE CATALOG ____________________Ph 408-942-9525 521 Sinclair Frontage Rd Milpitas CA 95035 FAX 408-942-9524 98 Model Aviation UPGRAJED & UPDATED MODIFIED AIRFRAME NEW SINGLE SHEET ROLLED PLANS NEW STEP-BY-STEP INSTRUCTIONS DETAILED ISOMETRIC DRAWINGS QUICKER MORE COMPLETE BUILDING THE SAME VFRV TARI F FLYING PLAI I-UI-IM EXCELLENTIARACTERISTICS Wing Span. Wing Area730 sq Wing Chord145 Fuselage Length57 Fuselage Width max65 ON THE DRAWIt Stabilizer Span23Cowl Diameter65 Stabilizer Area120 sqCowl Depth35 Stabilizer Chord55 Two Cycle Engine60Fin Height10 Weight8-10 lbsFin Area59 sq WORLD CLASS RIO HELICOPTERS & ACCESSORIES IMPORT & EXPORT Well gang wraps up another couple months Remember National Help-a-Junior Avoid-FlyingNear-Power-Lines Month Happy landingsE FF World Champs/Terzian Continued page 98 traversable territory model dethermalized crop sunflowers saw someone working way toward first assumed Id tracking wrong airplane quick scan skies turned up no other familiar-looking planes rode down George Xenakis positioned himself radio see knew whereabouts Randys model George also thought Randys headed back intercept whoever carrying itone British assistants turned out handed plane over warned could disqualified Retrieval vehicles explained banned during flyoffs Concerned rode back join Xenakis asked knew such rule play safe abandoned motorcycle began walking airplane mile flight line hoping relieved US helper going other way reached Randys pole position before start next flyoff round Randy didnt need backup ship got observe round No expected flying go beyond seven-minute mark since four competitors still clean seemed prudent move flight line far upwind possible almost road leading town Aradac idea help fliers avoid downwind crops trees improving timers chances seeing descending planes low-light conditions nine-minute round four-way contest among Randy Archer Xian Wang China Evgeny Verbitsky Valery Strukov Soviet Union Randy faced serious competitionparticularly Verbitsky plane seemed have best glide Still Americans strong hopes medal flier decide himself close set clockwork timers maximize engine run time seven seconds gain little altitude Rather chancing overrun hands potentially inexperienced official timer Walt Randy left settings alone Everyone spectators included watched Randys airplane break 540 seconds apparently Randys official timers stopped watch prematurely time confirmed official interpretationand official watches Sandy Pimenoff fortunately present part FM Jury pulled both timers aside interpreted results Pimenoff ruled favor Randys nine-minute max nearly nine oclock evening sun almost grazed horizon flying continued past sunset models would difficult see fliers wired up teams supporters suspenseand flyoffs would go still substantial drift south toward distant treeline horizon turnabout Randy fired up engine almost immediately launched Verbitsky Wang grappled glow plug leads tried catch up Randy made near-vertical climb settled slow-turning glide picture-perfect transiton Screaming reach same altitude air Verbitskys ABS-Rotor-sponsored ship developed stall after bunt transition Wangs airplane also stalled Both models eventually settled proper glide lost altitude process Though clear three planes drifted downwind Verbitskys slowest efficient glide Randys altitude won day As design Randys Glider touched down just sunset long dayand exciting us Americans new F lC World Champion accepted congratulations rivals spectatorsincluding December 1991 175 YOU DESERVE TOP GUN hIKE GR6-120 2-CYCLE FOR CHRISTMAS 16 LBS OF THRUST 83 DIA 2 YEARS OF SATISFIED CUSTOMERS EQUIVALENT ENGINE POWER G38 040 5T3000 HIGH RELIABILITY AVAILABLE WITH McDANIEL GLO-DRIVER SHOWN LIMITED LIFETIME GUARANTEE PRICED AT ONLY $925 RECOMMENDED AND TESTED BY TIlE EXPERTS Clarence Lee RCM JUNE 91 Pretty Impressive performance MIKE GR6-120 develops exceptional power extremely low vIbration 8000 rpm 18/8 outstanding 4 stroke radial comparable power sells $400-$500 Siu Richmond MODEL BUILDER OCTOBER 90 engine class itself nothing compares time vibration free engine next Wankel RADIAL ENGINE TECHNOLOGIES INC 7 Greenwood Lane Valhalla NY 10595 914-686-9373 mosquitoesheaded dinner FiB Wakefield Rubber Wakefields quiet dignity took surprise After screaming Rossis Nelsons other 25cc engines day before pleasure hear occasional busted strand madly unwinding itself inside motor tube Up until now entertained amplified music predominantly American although competitors really paid attention nearing first position pole spectating rather flying contrast Wakefield fliers seemed business set up stooges assembled airplanes usually ready fly after winding motors removing planes winding stooges particular interest Americans electric thermal blankets European fliers using warm up rubber motors blanket connected electric cord power source sitting ground attached outside motor tube Velcro intense sun occasionally cooled scattered clouds shirtsleeve weather day Thermals generally spotty often small cylinders other hand some rounds saw eight 10 Wakefields circling together high altitude single massive thermal first round 210 seconds seemed easy enough target Yet 17 65 entrants including own George Xenakis failed make As George set pattern Roger Maves missed max second round Norm Furutani dropped third Both George Norm went difficult sixth rounds before finally maxing seventh luckier fliers sixth round caught massive cumulus cloud churned directly overhead about 30 minutes flew earlier also managed max Some took chances after thermal passed barely made max others dropped flight George dropped 11 seconds Seventeen fliers made flyoff rounds Poland USSR full teams Canadas Tony Matthews Doug Rousell North Americans Twelve survived six-minute round over field narrowed USSRs Aleksandar Andriukov dark horse Tony Matthews Andriukov well known both European American contest scenes Matthews relative unknown has recently attracted attention West Coast contests Except using thermal blanket Andriukovs style hasnt changed winds prop blades cocked feathered large platelike guard rotating behind Once Andriukov feels its time takes couple slow deep breaths mentally prepares himself hard strong vertical launch propeller kicks vertical momentum appears nearly exhausted contrast between Andriukovs auto-everything Matthewss KISS Keep Simple Stupid approach led us expect classic David-and-Goliath rematch Matthews surprised us touching down 19 seconds short Andriukovs 420-second max us probably would have happy see both win As soon over Matthews surrounded admirers eager 176 Model Aviation MODEL AIRCRAFT PRODUCTS AMAP cutter bow $17900 13 965-9504AMAP power supply$4900 Anodized available Add$1000 $6000 Length 49 h2l/2 ht 21 /2 WIng Cutter Three-piece T tail / tail also sell cut cores available airfoils MH42 MH43 MH62 MH64 7013 RGI5 RGI4A Foam cores $5000 7 53QFull Money-Back 3es35n antee& LAIR SLOPE 11/SPORT ELECTRIC Complete $6000 Length43Wdh3 ht340&6O5tzeMotorRewmmended Shp-on Nose Cone Fuselage made EZ Lam Epoxy Blue Foam 2 lb Density 24 X % X 2 $2900 ii] Aemspace Composite Pmducts Will cut shipping 12 X 48 please specify Bob Ratzlalf 1641 South Elismere Ave Los Angles CA 90019 ASW 171/4 Scale 4 M Basic Kit $28500 Thermal Phase Hand Launch 60 E 387 $5000 information flying techniques Wakefield designs Doug Rousell complemented Canadian achievement placing third closing ceremony elaborate Young women carrying placards announcing teams nationalities Serbo-Croatian paraded past reviewing stand advance team After awarding Team Individual perpetual trophies treated performance Yugoslavian dances post-ceremony banquet held another provincial hotel lasted early morning July 9 exchanged traditional toasts winners cups traded shirts pins decals US team supporters sorry see end glad first leg trip back home Observations view several practices becoming necessity Free Flight World Championships 1 use audible beepers tracking devices helps prevent model loss expensive rebuilding replacement 2 Russian bunt concept should used flyoffs thermals unlikely especially true Towline Glider bunt launching provides decided advantage 3 Serious practice competition flying types weather conditions including wind rain important World Championships time flight characteristics will predictable less erratic E Mid-CoIu mbia/Blakeslee Continued page 103 doing best avoid collisions Most time wont notice flag has dropped depends caller tell him Roll caller commands Turn second two later rules turns must always made / Use CA Adhesives Hinges full 15 MIle thick 4 mIle thicker other leadln brands * Bettor CA Penetration Ade~ IytrLife C0 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. t time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDI5j Uni VUIfo3 EATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H December 1991 177 away hilla right turn left end end course left turn right A turn generally involves rolling bit INTRODUCING Tri-FIi THREE GREAT WAYS TO FLI ONE AMAZING AIRPLANE TriFIir -" engineered field tested outstand ng performance n THREE different configurations Flis 48 folly symmetrical sportBy adding second sport wing wing converts Tri-FIi very solidTn-F/i youve got yourself escep groo sport planethatgoeswfrereyouandtional hi-plane Its slightly point t Take-otis landings slowchallenging single sport wing predictable esperienced flierhot takes off end lands very slowly will find ito joyThis aerobatic combinabon sore favorite Tn-Ph a total system flying Designed engineered thorosghly field tested give sport flier airplane wont grow tired kit contains semi-built fuse three pre-sheeted foam wings Assorted hardware included Recommended engine 40- 50 Speciat Introductory Price $12900 u 700 P&H Credit Card COO Orders call 313-254-0530 Send check Money Order TRS IndustriesFor information send $100 & SASE 42700 Mound Rd Sterling Hts Ml 48314YOU MAY NEVER NEED TO BUY ANOTHER AIRPLANEt
Edition: Model Aviation - 1991/12
Page Numbers: 91, 92, 93, 94, 95, 96, 97, 98, 175, 176, 177
-A awards ceremony si ugosiavian dancers capped y ElAt years FAI Free Flight Championships US teams Randy Archer outfiew best best 27 countries walk away 1991 world-beater FiC Power EFred Terzian AS FOLKS back home enjoyed annual Independence Day festivities FAI Free Flight community gathered Zrenjanin Yugoslavia start its annual World Championships July 4 through 8 1991 teams 28 countries vied trophies FlA Nordic Towline FtC Power FlB Wakefield Rubber Spain Norway did attend year Randy Archer US walked away world title FIC Power Given weather field conditions along world-class competition Archers triumph required total commitment US team its contingent supporters superb win Getting us worried increasing ethnic strife Yugoslavia would force cancellation years contest organizers Yugoslavian consular services assured us region wed flying safely removed violence Most team supporters took direct Lufthansa 747 flight Los Angeles Frankfurt Germany June 26 Roger Marie Maves Ken Denise Phair flew out Colorado connecting different flight Frankfurt George Xenakis flew Lufthansa San Francisco arrived several hours ahead everyone else Frankfurt connected smaller Boeing 727 Budapest Hungary picked up rental cars drove center town night Hotel Volga caravamied out Budapest about 900 next morning So far weather cold windy overcastjust opposite typical summer Baltics drive Zrenjanin stalled Hungarian/Yugoslavian December 1991 91 ii II uo team ja nigni _ates team Back ri. nI saissant team manager Hector Diez - Oliver Ken rnalr Handy Archer Team Manager Walt Ghio Front row left right George vurulunI international FAI team selection rIgorously competitive s Austr I admires ins I-Al worig Lnwilpui5hlP5 perpetual trophies far ctacular cut crystal Daumene Cup awarded highest placing Fl team border choked vacationers heading Baltics avoid trouble spots farther westward Rather waste gas turn car engines off put vehicles neutral pushed ride took about nine hours three hours longer planned border crossing point overwhelmed incoming traffic saw few cars leaving Yugoslavia further reassured us political situation would remain calm Upon arrival Hotel Vojvodina Zrenjanin US Team Manager Walt Ghio lost no time arranging room assignments before evening meal Teams PAN Cup World Cup contest scheduled week before championships also hand Registration processing event took place next day teams limited budget stayed less expensive hotels hostels Some fliers opted official riverside campground near flying site Since tap water appeared unsuitable drinking used bottled beverages Problems Everyone worried about weather on-and-off rain persisted could well affect flying strategies Individuals teams planned perpetual trophies worKs art left row front back Franjo Kluz trophy Kosmonautica Vase both Fl C Team Victor Tatln Cup Fl C dividual right row front back Renaud Cup Fl B Team Wake field Cup FiB Individual enter PAN Cup wanted test fly balked because wind rain first disappointment came breakfast next morning Three Ken Phairs FiC ships damaged transitcause unknown Ken hardly slept night neednt have worried US Glider Power fliers immediately mobilized repair damage memory serves three fuselages set wings severely moderately bent cracked guys worked wonders sawed spliced taped restraightened fuselages Jim Parker feverishly built 92 Model Aviation Whats World Championships lunch little unwinding tent Denise Phalr poses US teams slightly used motorcycle Above Japanese team dressed little differently day-gb green jackets fancy logos Right plethora items fered sale bargain-hunters element U Lull M55I5l5 team manager nectar ulez prepares Jim Parkers FlA Glider five-minute flyoff Parkers canny strategy round left him tied USSRs Makarov second third places Right British Team Manager Martin Dilly holding Glider appears con versing renowned Fl C Power flier Evgeny Verbitsky Unseasonably cold rainy weather plagued much contest alignment jig atop Phairs model box Ken Oliver searched high low microballoons baking soda items everyone seemed have forgotten bring George Xenakis some no asked him Oliver checked contest organizers translate baking soda kitchen staff No luck scoured local groceries Still no luck Suddenly remembered wife Lynn packed surplus Sweet n LowTM packets coffee seemed close granular consistency baking soda maybe would work CyA strengthener Voila According Oliver sugar substitute harder sandI suggested lick off excess otherwise worked well baking soda Randy Archer supply carbon/Kevlar sleeves different diameters used strengthen align interior Kens tail booms wing panel separated near trailing edge juncture top bottom aluminum panels first thought cabin pressure may have severed skin foam interior Ken blamed other factors repairs held up during next few days test flying before PAN Cup Ken would have confidence needed championships Field conditions flew broad flat plain just outside town Aradac Everything green relatively soft December 1991 93 - II Left The winners FlA Nordic Towline Glider Mlkhail Kochkarov USSR center first place Sergei Makarov USSR left second place Jim Parker US right third place Right Bob lsaacson holds Randy Wellers Glider prior launch Fl Nordic Towline Two fliers Finlandss F Left US FiB filers Team Manager Walt Ghio second right during round six Ghlos left George Xenakis Roger Maves right Norm Furutani Right French Fl B filer Gemid Nocque packs turns Note interesting spiral lines Nocques tail boom recent rains appearances excellent site little test flying revealed unexpectedly treacherous conditions Scattered over field low spots tall grasses As fliers helpers attempting keep eye downwind airplane soon discovered hidden beneath innocent-looking grasses lurked outcroppings dirt maybe 12 14 inches high bumpy LEGO block Often muddy full water areas swarmed insects whenever sun came out wind died down like flying bog Insect repellent became order day chase teams quickly repositioned further downwind Retrieval Only two teams brought chase bikes motorcycles too oger Huppert Switzerland launches FiB ship Wakefield pilots usually flew shortly after winding motors remov ing model winding stooge somewhat hindered mud rough terrain Ken Oliver took task appropriating bike way organizers second day PAN Cup US team spent $200 borrowed motorcycle made downwind recovery much easier especially during FiC Power rounds flights traveled long distance Trying shift gears clutch handle carrying plane could tricky though especially muddier rougher ground Opening ceremonies scheduled evening Fourth July 94 Model Aviation LI FiB winners L R Tony Matthews Canada second place Aieicsafldar AndfluKOV USSH nrst place uoug ouseum anaaa third pluGs Right Roger Mavess beautifully trimmed FiB Wakefield Rubber ship perfect July Fourth opening ceremonies xi 1 V Frances Pierre Chassebourg winds d hand Bob White designed Chasse bourgs Fl B Wakefield model tipuiu un InC urptane center parade grounds Partizan Recreation Center Zrenjanin July 4th national holiday Yugoslavia too Because rain squalls ceremonies rescheduled precede first official round weather still hadnt cleared canceled altogether Assistant team manager Martyn Cowley injured automobile accident France unable attend US Team Manager Walt Ghio assigned Hector Diez stand Martyn Walt Hector worked out strategies both model retrieval downwind communication walkie-talkies FiB FiC fliers acted spotters retrievers FlA rounds allowing Glider team members assist another launch thermal hunting chase crew would try hand off Glider flier midpoint downwind prepare next flier system worked pretty well throughout contest oaly way improve would through higher quality radio communications equipment During test flying weather field conditions began causing trouble Models lost through poor adjustments transition during official practices Nordic fliers often kited airplanes wind picked up teams chased Power models long way downwind As some first lose airplanes Aussies Brits brought back reports obstacles confronted Running some canals about mile downwind south found couple crossing points discovered field chest-high cornstalks other side cornfield continued treeline bordering north/south levee Beyond anybodys guess Most top competitors FiC Power flew aluminum-skinned planes have become traditional category Quite few older lower aspect ratio models seen Italys Mario Rocca still individualist uses geodetic-trussed tissue-covered wings tails short tail skids caused hard landings both tip dihedral joints required repairs December 1991 95 Left triumphant Randy Archer center hoists FiC Power World Championship trophy Flanking US title holder second-place fin isher Evgeny Verbitaky USSR left third-place winner Xlan Wang China right Right future Fl C Champion prepares launch early morning round Randys high altitude made difference decisive flyoff round Left Third-place finisher Xian Wang China clean-lined FiC ship Right Mario Rocca Italy repairs dihedral breaks FiC ship its distinctive geodetic-trussed tissue-covered wing tail Roccas model very few built-up Power designs FlA Nordic Towline Seventy-five competitors flew outstanding fliers parts globe including two Chinas Wei Wang studies teams ther- Ken Oliver launches Fl C V-Max design mal recorder before launch Fl C spectators liked both flier plane Left Polands Jan Ochman prepares FiC Power airplane Right Evgeny Verbitsky launches ABS-Rotor-sponsored ship atter Randy Archer takes lead final FiC flyoff round Despite slower efficient glide Verbitsky never caught up Randys altitude US eliminated flyoffs Wind rain slippery field conditions made first rounds tricky US team member Bob Isaacson still nursing knee injured US Free Flight Champs May reinjured slipping mud first round Bob immediately experienced problems towing rain Glider snaked back forth slowing forward progress attempted keep diving ground finally succeeded launching off line model began stallthe wet conditions shifted center-of-gravity Though Bob perfect score throughout remaining six rounds missed max ultimately flyoffs partly because rainwater clinging tissue-covered stabilizer Teammate Randy Weiler did well until missed max 12 seconds third round fliers dropped round other Rain squalls moved out some heavy enough suspend start round everyone ran shelter processing tents cars sought refuge large canvas-covered tent lunch served immediately attacked mosquitoes waiting out storm Thirteen fliers including Jim Parker US maxed out made flyoff rounds Germany North Korea Soviet Union two fliers no full teams represented Four flierstwo Russians German Jim Parkersurvived four-minute round Jim predicted strategy five-minute round almost once Sure enough Russians began towing trailing German other took off after him become almost dead calm scattered clouds no rain Fliers searched vain patch lift Russian chased German around through processing area parked vehicles Jim made second Russian struggle near bogs marshes released Gliders drift toward southwest line parked cars timers would have chase models drifted beyond clear view word came Russians Mikhail Kochkarov achieved five-minute goal German Uwe Rusch come down after three minutes still didnt know Jims Joshua design Sergei Makarovs bunter fared Jims Glider stayed clear view descended supporters desperately waved T-shirts vain attempt break away nonexistent thermal Meanwhile Makarovs Glider flew over cluster cars buses descending what seemed difficult direction timers unclear whether Makarovs two timers actually saw plane hit ground apparenfly kept view passed behind vehicle after another Comparing stopwatches timers called tie four minutes 20 secondsan absolutely amazing coincidence As Parker girded tie-breaker round would decide second third places US contingent saw what up against Since little chance finding isolated patch lift better gliding model would have advantage second factor however Makarovs use bunt launch Russians have perfected bunting Gliders Nordic Towline event fact both Kochkarov Makarov have collaborated very sophisticated multifunction timer tow hook bunt wing-wiggler setupand obviously have mastered its use flare fired Parker took Makarov minimarathon over rises hummocks around bogs depressions approached herders sheep pen about 200 yards northeast gradually worked way back Jim zoomed Glider perfect release off line general cheers 96 Model Aviation Xian Wang China launches hiL shIp final flyoff round Wang finished hind Archer Verbitsky third place Oliver poinis ow nanay rcnur u uur plane during final flyoff round gave Randy world title Fl C anay Arcner ana u earn manager Walt Ghio make final adjustments Randys Power ship tension builds deci sive nine-minute flyoff round FiC STINSON SR-a 1/5 SCALE 100 DeHAVILLAND DEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4SCAIF nfl whistles applause Within seconds Sergei Makarov shot plane 15 20 feet above Jims perfect bunt transition Unless hit hole Makarov clearly second place edged Jim out 65 seconds everyone enjoyed spectacular finish FtC Power Fog broke out early morning FlC Power day dissipated well before first round Fliers fired up engines testing overall performance well fuel compatibility balky engines critical trim settings Dampness previous days rains sent downwind spotters chasers looking new routes car motorcycle foot travel strategy changed flights shorter expected motorcycle would midway between flight line crews farthest downwind driver also would closer folks carrying walkie-talkies making easier confirm position flying model Ken Olivers Power ship probably unusual configuration its V-dihedral wing tiplets definitely drew largest crowds People took measurements photographs chance got Kens test flight altitudes compared very best observers thought design definitely competitive As luck would have though Oliver missed required four-minute first round 60 seconds didnt see launch told later simply picked bad air Though Ken easily maxed remaining six flights mentioned glide turns too open Possibly because tiplets ship veered like weathervane winds picked up Ken plans additional refinements very competitive design took exhaustive testing before during after PAN Cup Ken Phair airplanes repaired flying properly contest time moved smoothly through first three rounds Continued page 98 FOAMAIRE 10 SPAN su-js Lii, eo-75 UC POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 L 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOOD CHOOSE 3 OR 4 CH SLOW AND STABLE KIT $26995 SPDKIT$1995 $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOG RT 1 NEODESHA KS 66757 OF SAC KITS AND ACC 316325-2821 FREE SHIPPING ON KIT ORDERS SA/MASTERCARD December 1991 97 MAULE M51M6 ROCKET 1/4 SCALE 98 drawn ranks ariuaIv ext ur fine FAIRCHILD 24 GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 WACO 10 1/5 SCALE 73 yourself favor IKON NWST Kit n world wide finest scale kits knocked 41 seconds off potential max disastrous fourth Ken wasnt alone Most competitors dropped max fourth round four lost chance flyoffs Eighteen contenders made flyoffs China Poland full teams four countries two-flier contingents pilots bunters used beepers transmitting devices downwind recovery devices becoming essential uneven terrain tall crops make line-ofsight tracking impossible Despite desperate searches ultralight foot some airplanes never found Using Jim Walston-designed tracking device Randy Archer discovered early could within 10 feet plane corn rows see After decreasing trackers sensitivity knew hidden ship close took several stepsand almost tripped over Randy looked consistently good confidence teams recovery flights downwind left him free concentrate flying picking air preparing backup ships necessary flyoffs intense Only four competitors dropped four-minute flight darkness fell before rounds completed Contest officials hoped wind things up before first Wakefield round next morning conditions forced second postponement until after FiB competition seven-minute round began seven competitors no full teams Being some distance radio communications sat motorcycle slightly north official field headquarters waiting round begin Xenakis Furutani about 400 yards south Parker Weiler others about same distance beyond saw Power ships approach thought saw Archers heading slightly left Gunning engine cycle stayed beneath plane until ran out Continued page 175 -IwT7 60 Engine Size Epoxy Fiberglass Fuselage Kit Super Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt -lirobo GMP & Schluter Gear Flesable Tail Drive Unit Wood Kit includes Bodys Clear Canopy Landing F ware Manual Blueprint someI models also include Fitotstation Machine Gun Rocket Radar Dome & Shocks AH-1 STOW COBRA 36995 AH-64 APACHE 38995 UH-1 B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 HOBBY DEALERS & HOBBIES CALL WRITE CATALOG ____________________Ph 408-942-9525 521 Sinclair Frontage Rd Milpitas CA 95035 FAX 408-942-9524 98 Model Aviation UPGRAJED & UPDATED MODIFIED AIRFRAME NEW SINGLE SHEET ROLLED PLANS NEW STEP-BY-STEP INSTRUCTIONS DETAILED ISOMETRIC DRAWINGS QUICKER MORE COMPLETE BUILDING THE SAME VFRV TARI F FLYING PLAI I-UI-IM EXCELLENTIARACTERISTICS Wing Span. Wing Area730 sq Wing Chord145 Fuselage Length57 Fuselage Width max65 ON THE DRAWIt Stabilizer Span23Cowl Diameter65 Stabilizer Area120 sqCowl Depth35 Stabilizer Chord55 Two Cycle Engine60Fin Height10 Weight8-10 lbsFin Area59 sq WORLD CLASS RIO HELICOPTERS & ACCESSORIES IMPORT & EXPORT Well gang wraps up another couple months Remember National Help-a-Junior Avoid-FlyingNear-Power-Lines Month Happy landingsE FF World Champs/Terzian Continued page 98 traversable territory model dethermalized crop sunflowers saw someone working way toward first assumed Id tracking wrong airplane quick scan skies turned up no other familiar-looking planes rode down George Xenakis positioned himself radio see knew whereabouts Randys model George also thought Randys headed back intercept whoever carrying itone British assistants turned out handed plane over warned could disqualified Retrieval vehicles explained banned during flyoffs Concerned rode back join Xenakis asked knew such rule play safe abandoned motorcycle began walking airplane mile flight line hoping relieved US helper going other way reached Randys pole position before start next flyoff round Randy didnt need backup ship got observe round No expected flying go beyond seven-minute mark since four competitors still clean seemed prudent move flight line far upwind possible almost road leading town Aradac idea help fliers avoid downwind crops trees improving timers chances seeing descending planes low-light conditions nine-minute round four-way contest among Randy Archer Xian Wang China Evgeny Verbitsky Valery Strukov Soviet Union Randy faced serious competitionparticularly Verbitsky plane seemed have best glide Still Americans strong hopes medal flier decide himself close set clockwork timers maximize engine run time seven seconds gain little altitude Rather chancing overrun hands potentially inexperienced official timer Walt Randy left settings alone Everyone spectators included watched Randys airplane break 540 seconds apparently Randys official timers stopped watch prematurely time confirmed official interpretationand official watches Sandy Pimenoff fortunately present part FM Jury pulled both timers aside interpreted results Pimenoff ruled favor Randys nine-minute max nearly nine oclock evening sun almost grazed horizon flying continued past sunset models would difficult see fliers wired up teams supporters suspenseand flyoffs would go still substantial drift south toward distant treeline horizon turnabout Randy fired up engine almost immediately launched Verbitsky Wang grappled glow plug leads tried catch up Randy made near-vertical climb settled slow-turning glide picture-perfect transiton Screaming reach same altitude air Verbitskys ABS-Rotor-sponsored ship developed stall after bunt transition Wangs airplane also stalled Both models eventually settled proper glide lost altitude process Though clear three planes drifted downwind Verbitskys slowest efficient glide Randys altitude won day As design Randys Glider touched down just sunset long dayand exciting us Americans new F lC World Champion accepted congratulations rivals spectatorsincluding December 1991 175 YOU DESERVE TOP GUN hIKE GR6-120 2-CYCLE FOR CHRISTMAS 16 LBS OF THRUST 83 DIA 2 YEARS OF SATISFIED CUSTOMERS EQUIVALENT ENGINE POWER G38 040 5T3000 HIGH RELIABILITY AVAILABLE WITH McDANIEL GLO-DRIVER SHOWN LIMITED LIFETIME GUARANTEE PRICED AT ONLY $925 RECOMMENDED AND TESTED BY TIlE EXPERTS Clarence Lee RCM JUNE 91 Pretty Impressive performance MIKE GR6-120 develops exceptional power extremely low vIbration 8000 rpm 18/8 outstanding 4 stroke radial comparable power sells $400-$500 Siu Richmond MODEL BUILDER OCTOBER 90 engine class itself nothing compares time vibration free engine next Wankel RADIAL ENGINE TECHNOLOGIES INC 7 Greenwood Lane Valhalla NY 10595 914-686-9373 mosquitoesheaded dinner FiB Wakefield Rubber Wakefields quiet dignity took surprise After screaming Rossis Nelsons other 25cc engines day before pleasure hear occasional busted strand madly unwinding itself inside motor tube Up until now entertained amplified music predominantly American although competitors really paid attention nearing first position pole spectating rather flying contrast Wakefield fliers seemed business set up stooges assembled airplanes usually ready fly after winding motors removing planes winding stooges particular interest Americans electric thermal blankets European fliers using warm up rubber motors blanket connected electric cord power source sitting ground attached outside motor tube Velcro intense sun occasionally cooled scattered clouds shirtsleeve weather day Thermals generally spotty often small cylinders other hand some rounds saw eight 10 Wakefields circling together high altitude single massive thermal first round 210 seconds seemed easy enough target Yet 17 65 entrants including own George Xenakis failed make As George set pattern Roger Maves missed max second round Norm Furutani dropped third Both George Norm went difficult sixth rounds before finally maxing seventh luckier fliers sixth round caught massive cumulus cloud churned directly overhead about 30 minutes flew earlier also managed max Some took chances after thermal passed barely made max others dropped flight George dropped 11 seconds Seventeen fliers made flyoff rounds Poland USSR full teams Canadas Tony Matthews Doug Rousell North Americans Twelve survived six-minute round over field narrowed USSRs Aleksandar Andriukov dark horse Tony Matthews Andriukov well known both European American contest scenes Matthews relative unknown has recently attracted attention West Coast contests Except using thermal blanket Andriukovs style hasnt changed winds prop blades cocked feathered large platelike guard rotating behind Once Andriukov feels its time takes couple slow deep breaths mentally prepares himself hard strong vertical launch propeller kicks vertical momentum appears nearly exhausted contrast between Andriukovs auto-everything Matthewss KISS Keep Simple Stupid approach led us expect classic David-and-Goliath rematch Matthews surprised us touching down 19 seconds short Andriukovs 420-second max us probably would have happy see both win As soon over Matthews surrounded admirers eager 176 Model Aviation MODEL AIRCRAFT PRODUCTS AMAP cutter bow $17900 13 965-9504AMAP power supply$4900 Anodized available Add$1000 $6000 Length 49 h2l/2 ht 21 /2 WIng Cutter Three-piece T tail / tail also sell cut cores available airfoils MH42 MH43 MH62 MH64 7013 RGI5 RGI4A Foam cores $5000 7 53QFull Money-Back 3es35n antee& LAIR SLOPE 11/SPORT ELECTRIC Complete $6000 Length43Wdh3 ht340&6O5tzeMotorRewmmended Shp-on Nose Cone Fuselage made EZ Lam Epoxy Blue Foam 2 lb Density 24 X % X 2 $2900 ii] Aemspace Composite Pmducts Will cut shipping 12 X 48 please specify Bob Ratzlalf 1641 South Elismere Ave Los Angles CA 90019 ASW 171/4 Scale 4 M Basic Kit $28500 Thermal Phase Hand Launch 60 E 387 $5000 information flying techniques Wakefield designs Doug Rousell complemented Canadian achievement placing third closing ceremony elaborate Young women carrying placards announcing teams nationalities Serbo-Croatian paraded past reviewing stand advance team After awarding Team Individual perpetual trophies treated performance Yugoslavian dances post-ceremony banquet held another provincial hotel lasted early morning July 9 exchanged traditional toasts winners cups traded shirts pins decals US team supporters sorry see end glad first leg trip back home Observations view several practices becoming necessity Free Flight World Championships 1 use audible beepers tracking devices helps prevent model loss expensive rebuilding replacement 2 Russian bunt concept should used flyoffs thermals unlikely especially true Towline Glider bunt launching provides decided advantage 3 Serious practice competition flying types weather conditions including wind rain important World Championships time flight characteristics will predictable less erratic E Mid-CoIu mbia/Blakeslee Continued page 103 doing best avoid collisions Most time wont notice flag has dropped depends caller tell him Roll caller commands Turn second two later rules turns must always made / Use CA Adhesives Hinges full 15 MIle thick 4 mIle thicker other leadln brands * Bettor CA Penetration Ade~ IytrLife C0 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. t time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDI5j Uni VUIfo3 EATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H December 1991 177 away hilla right turn left end end course left turn right A turn generally involves rolling bit INTRODUCING Tri-FIi THREE GREAT WAYS TO FLI ONE AMAZING AIRPLANE TriFIir -" engineered field tested outstand ng performance n THREE different configurations Flis 48 folly symmetrical sportBy adding second sport wing wing converts Tri-FIi very solidTn-F/i youve got yourself escep groo sport planethatgoeswfrereyouandtional hi-plane Its slightly point t Take-otis landings slowchallenging single sport wing predictable esperienced flierhot takes off end lands very slowly will find ito joyThis aerobatic combinabon sore favorite Tn-Ph a total system flying Designed engineered thorosghly field tested give sport flier airplane wont grow tired kit contains semi-built fuse three pre-sheeted foam wings Assorted hardware included Recommended engine 40- 50 Speciat Introductory Price $12900 u 700 P&H Credit Card COO Orders call 313-254-0530 Send check Money Order TRS IndustriesFor information send $100 & SASE 42700 Mound Rd Sterling Hts Ml 48314YOU MAY NEVER NEED TO BUY ANOTHER AIRPLANEt
Edition: Model Aviation - 1991/12
Page Numbers: 91, 92, 93, 94, 95, 96, 97, 98, 175, 176, 177
-A awards ceremony si ugosiavian dancers capped y ElAt years FAI Free Flight Championships US teams Randy Archer outfiew best best 27 countries walk away 1991 world-beater FiC Power EFred Terzian AS FOLKS back home enjoyed annual Independence Day festivities FAI Free Flight community gathered Zrenjanin Yugoslavia start its annual World Championships July 4 through 8 1991 teams 28 countries vied trophies FlA Nordic Towline FtC Power FlB Wakefield Rubber Spain Norway did attend year Randy Archer US walked away world title FIC Power Given weather field conditions along world-class competition Archers triumph required total commitment US team its contingent supporters superb win Getting us worried increasing ethnic strife Yugoslavia would force cancellation years contest organizers Yugoslavian consular services assured us region wed flying safely removed violence Most team supporters took direct Lufthansa 747 flight Los Angeles Frankfurt Germany June 26 Roger Marie Maves Ken Denise Phair flew out Colorado connecting different flight Frankfurt George Xenakis flew Lufthansa San Francisco arrived several hours ahead everyone else Frankfurt connected smaller Boeing 727 Budapest Hungary picked up rental cars drove center town night Hotel Volga caravamied out Budapest about 900 next morning So far weather cold windy overcastjust opposite typical summer Baltics drive Zrenjanin stalled Hungarian/Yugoslavian December 1991 91 ii II uo team ja nigni _ates team Back ri. nI saissant team manager Hector Diez - Oliver Ken rnalr Handy Archer Team Manager Walt Ghio Front row left right George vurulunI international FAI team selection rIgorously competitive s Austr I admires ins I-Al worig Lnwilpui5hlP5 perpetual trophies far ctacular cut crystal Daumene Cup awarded highest placing Fl team border choked vacationers heading Baltics avoid trouble spots farther westward Rather waste gas turn car engines off put vehicles neutral pushed ride took about nine hours three hours longer planned border crossing point overwhelmed incoming traffic saw few cars leaving Yugoslavia further reassured us political situation would remain calm Upon arrival Hotel Vojvodina Zrenjanin US Team Manager Walt Ghio lost no time arranging room assignments before evening meal Teams PAN Cup World Cup contest scheduled week before championships also hand Registration processing event took place next day teams limited budget stayed less expensive hotels hostels Some fliers opted official riverside campground near flying site Since tap water appeared unsuitable drinking used bottled beverages Problems Everyone worried about weather on-and-off rain persisted could well affect flying strategies Individuals teams planned perpetual trophies worKs art left row front back Franjo Kluz trophy Kosmonautica Vase both Fl C Team Victor Tatln Cup Fl C dividual right row front back Renaud Cup Fl B Team Wake field Cup FiB Individual enter PAN Cup wanted test fly balked because wind rain first disappointment came breakfast next morning Three Ken Phairs FiC ships damaged transitcause unknown Ken hardly slept night neednt have worried US Glider Power fliers immediately mobilized repair damage memory serves three fuselages set wings severely moderately bent cracked guys worked wonders sawed spliced taped restraightened fuselages Jim Parker feverishly built 92 Model Aviation Whats World Championships lunch little unwinding tent Denise Phalr poses US teams slightly used motorcycle Above Japanese team dressed little differently day-gb green jackets fancy logos Right plethora items fered sale bargain-hunters element U Lull M55I5l5 team manager nectar ulez prepares Jim Parkers FlA Glider five-minute flyoff Parkers canny strategy round left him tied USSRs Makarov second third places Right British Team Manager Martin Dilly holding Glider appears con versing renowned Fl C Power flier Evgeny Verbitsky Unseasonably cold rainy weather plagued much contest alignment jig atop Phairs model box Ken Oliver searched high low microballoons baking soda items everyone seemed have forgotten bring George Xenakis some no asked him Oliver checked contest organizers translate baking soda kitchen staff No luck scoured local groceries Still no luck Suddenly remembered wife Lynn packed surplus Sweet n LowTM packets coffee seemed close granular consistency baking soda maybe would work CyA strengthener Voila According Oliver sugar substitute harder sandI suggested lick off excess otherwise worked well baking soda Randy Archer supply carbon/Kevlar sleeves different diameters used strengthen align interior Kens tail booms wing panel separated near trailing edge juncture top bottom aluminum panels first thought cabin pressure may have severed skin foam interior Ken blamed other factors repairs held up during next few days test flying before PAN Cup Ken would have confidence needed championships Field conditions flew broad flat plain just outside town Aradac Everything green relatively soft December 1991 93 - II Left The winners FlA Nordic Towline Glider Mlkhail Kochkarov USSR center first place Sergei Makarov USSR left second place Jim Parker US right third place Right Bob lsaacson holds Randy Wellers Glider prior launch Fl Nordic Towline Two fliers Finlandss F Left US FiB filers Team Manager Walt Ghio second right during round six Ghlos left George Xenakis Roger Maves right Norm Furutani Right French Fl B filer Gemid Nocque packs turns Note interesting spiral lines Nocques tail boom recent rains appearances excellent site little test flying revealed unexpectedly treacherous conditions Scattered over field low spots tall grasses As fliers helpers attempting keep eye downwind airplane soon discovered hidden beneath innocent-looking grasses lurked outcroppings dirt maybe 12 14 inches high bumpy LEGO block Often muddy full water areas swarmed insects whenever sun came out wind died down like flying bog Insect repellent became order day chase teams quickly repositioned further downwind Retrieval Only two teams brought chase bikes motorcycles too oger Huppert Switzerland launches FiB ship Wakefield pilots usually flew shortly after winding motors remov ing model winding stooge somewhat hindered mud rough terrain Ken Oliver took task appropriating bike way organizers second day PAN Cup US team spent $200 borrowed motorcycle made downwind recovery much easier especially during FiC Power rounds flights traveled long distance Trying shift gears clutch handle carrying plane could tricky though especially muddier rougher ground Opening ceremonies scheduled evening Fourth July 94 Model Aviation LI FiB winners L R Tony Matthews Canada second place Aieicsafldar AndfluKOV USSH nrst place uoug ouseum anaaa third pluGs Right Roger Mavess beautifully trimmed FiB Wakefield Rubber ship perfect July Fourth opening ceremonies xi 1 V Frances Pierre Chassebourg winds d hand Bob White designed Chasse bourgs Fl B Wakefield model tipuiu un InC urptane center parade grounds Partizan Recreation Center Zrenjanin July 4th national holiday Yugoslavia too Because rain squalls ceremonies rescheduled precede first official round weather still hadnt cleared canceled altogether Assistant team manager Martyn Cowley injured automobile accident France unable attend US Team Manager Walt Ghio assigned Hector Diez stand Martyn Walt Hector worked out strategies both model retrieval downwind communication walkie-talkies FiB FiC fliers acted spotters retrievers FlA rounds allowing Glider team members assist another launch thermal hunting chase crew would try hand off Glider flier midpoint downwind prepare next flier system worked pretty well throughout contest oaly way improve would through higher quality radio communications equipment During test flying weather field conditions began causing trouble Models lost through poor adjustments transition during official practices Nordic fliers often kited airplanes wind picked up teams chased Power models long way downwind As some first lose airplanes Aussies Brits brought back reports obstacles confronted Running some canals about mile downwind south found couple crossing points discovered field chest-high cornstalks other side cornfield continued treeline bordering north/south levee Beyond anybodys guess Most top competitors FiC Power flew aluminum-skinned planes have become traditional category Quite few older lower aspect ratio models seen Italys Mario Rocca still individualist uses geodetic-trussed tissue-covered wings tails short tail skids caused hard landings both tip dihedral joints required repairs December 1991 95 Left triumphant Randy Archer center hoists FiC Power World Championship trophy Flanking US title holder second-place fin isher Evgeny Verbitaky USSR left third-place winner Xlan Wang China right Right future Fl C Champion prepares launch early morning round Randys high altitude made difference decisive flyoff round Left Third-place finisher Xian Wang China clean-lined FiC ship Right Mario Rocca Italy repairs dihedral breaks FiC ship its distinctive geodetic-trussed tissue-covered wing tail Roccas model very few built-up Power designs FlA Nordic Towline Seventy-five competitors flew outstanding fliers parts globe including two Chinas Wei Wang studies teams ther- Ken Oliver launches Fl C V-Max design mal recorder before launch Fl C spectators liked both flier plane Left Polands Jan Ochman prepares FiC Power airplane Right Evgeny Verbitsky launches ABS-Rotor-sponsored ship atter Randy Archer takes lead final FiC flyoff round Despite slower efficient glide Verbitsky never caught up Randys altitude US eliminated flyoffs Wind rain slippery field conditions made first rounds tricky US team member Bob Isaacson still nursing knee injured US Free Flight Champs May reinjured slipping mud first round Bob immediately experienced problems towing rain Glider snaked back forth slowing forward progress attempted keep diving ground finally succeeded launching off line model began stallthe wet conditions shifted center-of-gravity Though Bob perfect score throughout remaining six rounds missed max ultimately flyoffs partly because rainwater clinging tissue-covered stabilizer Teammate Randy Weiler did well until missed max 12 seconds third round fliers dropped round other Rain squalls moved out some heavy enough suspend start round everyone ran shelter processing tents cars sought refuge large canvas-covered tent lunch served immediately attacked mosquitoes waiting out storm Thirteen fliers including Jim Parker US maxed out made flyoff rounds Germany North Korea Soviet Union two fliers no full teams represented Four flierstwo Russians German Jim Parkersurvived four-minute round Jim predicted strategy five-minute round almost once Sure enough Russians began towing trailing German other took off after him become almost dead calm scattered clouds no rain Fliers searched vain patch lift Russian chased German around through processing area parked vehicles Jim made second Russian struggle near bogs marshes released Gliders drift toward southwest line parked cars timers would have chase models drifted beyond clear view word came Russians Mikhail Kochkarov achieved five-minute goal German Uwe Rusch come down after three minutes still didnt know Jims Joshua design Sergei Makarovs bunter fared Jims Glider stayed clear view descended supporters desperately waved T-shirts vain attempt break away nonexistent thermal Meanwhile Makarovs Glider flew over cluster cars buses descending what seemed difficult direction timers unclear whether Makarovs two timers actually saw plane hit ground apparenfly kept view passed behind vehicle after another Comparing stopwatches timers called tie four minutes 20 secondsan absolutely amazing coincidence As Parker girded tie-breaker round would decide second third places US contingent saw what up against Since little chance finding isolated patch lift better gliding model would have advantage second factor however Makarovs use bunt launch Russians have perfected bunting Gliders Nordic Towline event fact both Kochkarov Makarov have collaborated very sophisticated multifunction timer tow hook bunt wing-wiggler setupand obviously have mastered its use flare fired Parker took Makarov minimarathon over rises hummocks around bogs depressions approached herders sheep pen about 200 yards northeast gradually worked way back Jim zoomed Glider perfect release off line general cheers 96 Model Aviation Xian Wang China launches hiL shIp final flyoff round Wang finished hind Archer Verbitsky third place Oliver poinis ow nanay rcnur u uur plane during final flyoff round gave Randy world title Fl C anay Arcner ana u earn manager Walt Ghio make final adjustments Randys Power ship tension builds deci sive nine-minute flyoff round FiC STINSON SR-a 1/5 SCALE 100 DeHAVILLAND DEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4SCAIF nfl whistles applause Within seconds Sergei Makarov shot plane 15 20 feet above Jims perfect bunt transition Unless hit hole Makarov clearly second place edged Jim out 65 seconds everyone enjoyed spectacular finish FtC Power Fog broke out early morning FlC Power day dissipated well before first round Fliers fired up engines testing overall performance well fuel compatibility balky engines critical trim settings Dampness previous days rains sent downwind spotters chasers looking new routes car motorcycle foot travel strategy changed flights shorter expected motorcycle would midway between flight line crews farthest downwind driver also would closer folks carrying walkie-talkies making easier confirm position flying model Ken Olivers Power ship probably unusual configuration its V-dihedral wing tiplets definitely drew largest crowds People took measurements photographs chance got Kens test flight altitudes compared very best observers thought design definitely competitive As luck would have though Oliver missed required four-minute first round 60 seconds didnt see launch told later simply picked bad air Though Ken easily maxed remaining six flights mentioned glide turns too open Possibly because tiplets ship veered like weathervane winds picked up Ken plans additional refinements very competitive design took exhaustive testing before during after PAN Cup Ken Phair airplanes repaired flying properly contest time moved smoothly through first three rounds Continued page 98 FOAMAIRE 10 SPAN su-js Lii, eo-75 UC POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 L 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOOD CHOOSE 3 OR 4 CH SLOW AND STABLE KIT $26995 SPDKIT$1995 $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOG RT 1 NEODESHA KS 66757 OF SAC KITS AND ACC 316325-2821 FREE SHIPPING ON KIT ORDERS SA/MASTERCARD December 1991 97 MAULE M51M6 ROCKET 1/4 SCALE 98 drawn ranks ariuaIv ext ur fine FAIRCHILD 24 GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 WACO 10 1/5 SCALE 73 yourself favor IKON NWST Kit n world wide finest scale kits knocked 41 seconds off potential max disastrous fourth Ken wasnt alone Most competitors dropped max fourth round four lost chance flyoffs Eighteen contenders made flyoffs China Poland full teams four countries two-flier contingents pilots bunters used beepers transmitting devices downwind recovery devices becoming essential uneven terrain tall crops make line-ofsight tracking impossible Despite desperate searches ultralight foot some airplanes never found Using Jim Walston-designed tracking device Randy Archer discovered early could within 10 feet plane corn rows see After decreasing trackers sensitivity knew hidden ship close took several stepsand almost tripped over Randy looked consistently good confidence teams recovery flights downwind left him free concentrate flying picking air preparing backup ships necessary flyoffs intense Only four competitors dropped four-minute flight darkness fell before rounds completed Contest officials hoped wind things up before first Wakefield round next morning conditions forced second postponement until after FiB competition seven-minute round began seven competitors no full teams Being some distance radio communications sat motorcycle slightly north official field headquarters waiting round begin Xenakis Furutani about 400 yards south Parker Weiler others about same distance beyond saw Power ships approach thought saw Archers heading slightly left Gunning engine cycle stayed beneath plane until ran out Continued page 175 -IwT7 60 Engine Size Epoxy Fiberglass Fuselage Kit Super Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt -lirobo GMP & Schluter Gear Flesable Tail Drive Unit Wood Kit includes Bodys Clear Canopy Landing F ware Manual Blueprint someI models also include Fitotstation Machine Gun Rocket Radar Dome & Shocks AH-1 STOW COBRA 36995 AH-64 APACHE 38995 UH-1 B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 HOBBY DEALERS & HOBBIES CALL WRITE CATALOG ____________________Ph 408-942-9525 521 Sinclair Frontage Rd Milpitas CA 95035 FAX 408-942-9524 98 Model Aviation UPGRAJED & UPDATED MODIFIED AIRFRAME NEW SINGLE SHEET ROLLED PLANS NEW STEP-BY-STEP INSTRUCTIONS DETAILED ISOMETRIC DRAWINGS QUICKER MORE COMPLETE BUILDING THE SAME VFRV TARI F FLYING PLAI I-UI-IM EXCELLENTIARACTERISTICS Wing Span. Wing Area730 sq Wing Chord145 Fuselage Length57 Fuselage Width max65 ON THE DRAWIt Stabilizer Span23Cowl Diameter65 Stabilizer Area120 sqCowl Depth35 Stabilizer Chord55 Two Cycle Engine60Fin Height10 Weight8-10 lbsFin Area59 sq WORLD CLASS RIO HELICOPTERS & ACCESSORIES IMPORT & EXPORT Well gang wraps up another couple months Remember National Help-a-Junior Avoid-FlyingNear-Power-Lines Month Happy landingsE FF World Champs/Terzian Continued page 98 traversable territory model dethermalized crop sunflowers saw someone working way toward first assumed Id tracking wrong airplane quick scan skies turned up no other familiar-looking planes rode down George Xenakis positioned himself radio see knew whereabouts Randys model George also thought Randys headed back intercept whoever carrying itone British assistants turned out handed plane over warned could disqualified Retrieval vehicles explained banned during flyoffs Concerned rode back join Xenakis asked knew such rule play safe abandoned motorcycle began walking airplane mile flight line hoping relieved US helper going other way reached Randys pole position before start next flyoff round Randy didnt need backup ship got observe round No expected flying go beyond seven-minute mark since four competitors still clean seemed prudent move flight line far upwind possible almost road leading town Aradac idea help fliers avoid downwind crops trees improving timers chances seeing descending planes low-light conditions nine-minute round four-way contest among Randy Archer Xian Wang China Evgeny Verbitsky Valery Strukov Soviet Union Randy faced serious competitionparticularly Verbitsky plane seemed have best glide Still Americans strong hopes medal flier decide himself close set clockwork timers maximize engine run time seven seconds gain little altitude Rather chancing overrun hands potentially inexperienced official timer Walt Randy left settings alone Everyone spectators included watched Randys airplane break 540 seconds apparently Randys official timers stopped watch prematurely time confirmed official interpretationand official watches Sandy Pimenoff fortunately present part FM Jury pulled both timers aside interpreted results Pimenoff ruled favor Randys nine-minute max nearly nine oclock evening sun almost grazed horizon flying continued past sunset models would difficult see fliers wired up teams supporters suspenseand flyoffs would go still substantial drift south toward distant treeline horizon turnabout Randy fired up engine almost immediately launched Verbitsky Wang grappled glow plug leads tried catch up Randy made near-vertical climb settled slow-turning glide picture-perfect transiton Screaming reach same altitude air Verbitskys ABS-Rotor-sponsored ship developed stall after bunt transition Wangs airplane also stalled Both models eventually settled proper glide lost altitude process Though clear three planes drifted downwind Verbitskys slowest efficient glide Randys altitude won day As design Randys Glider touched down just sunset long dayand exciting us Americans new F lC World Champion accepted congratulations rivals spectatorsincluding December 1991 175 YOU DESERVE TOP GUN hIKE GR6-120 2-CYCLE FOR CHRISTMAS 16 LBS OF THRUST 83 DIA 2 YEARS OF SATISFIED CUSTOMERS EQUIVALENT ENGINE POWER G38 040 5T3000 HIGH RELIABILITY AVAILABLE WITH McDANIEL GLO-DRIVER SHOWN LIMITED LIFETIME GUARANTEE PRICED AT ONLY $925 RECOMMENDED AND TESTED BY TIlE EXPERTS Clarence Lee RCM JUNE 91 Pretty Impressive performance MIKE GR6-120 develops exceptional power extremely low vIbration 8000 rpm 18/8 outstanding 4 stroke radial comparable power sells $400-$500 Siu Richmond MODEL BUILDER OCTOBER 90 engine class itself nothing compares time vibration free engine next Wankel RADIAL ENGINE TECHNOLOGIES INC 7 Greenwood Lane Valhalla NY 10595 914-686-9373 mosquitoesheaded dinner FiB Wakefield Rubber Wakefields quiet dignity took surprise After screaming Rossis Nelsons other 25cc engines day before pleasure hear occasional busted strand madly unwinding itself inside motor tube Up until now entertained amplified music predominantly American although competitors really paid attention nearing first position pole spectating rather flying contrast Wakefield fliers seemed business set up stooges assembled airplanes usually ready fly after winding motors removing planes winding stooges particular interest Americans electric thermal blankets European fliers using warm up rubber motors blanket connected electric cord power source sitting ground attached outside motor tube Velcro intense sun occasionally cooled scattered clouds shirtsleeve weather day Thermals generally spotty often small cylinders other hand some rounds saw eight 10 Wakefields circling together high altitude single massive thermal first round 210 seconds seemed easy enough target Yet 17 65 entrants including own George Xenakis failed make As George set pattern Roger Maves missed max second round Norm Furutani dropped third Both George Norm went difficult sixth rounds before finally maxing seventh luckier fliers sixth round caught massive cumulus cloud churned directly overhead about 30 minutes flew earlier also managed max Some took chances after thermal passed barely made max others dropped flight George dropped 11 seconds Seventeen fliers made flyoff rounds Poland USSR full teams Canadas Tony Matthews Doug Rousell North Americans Twelve survived six-minute round over field narrowed USSRs Aleksandar Andriukov dark horse Tony Matthews Andriukov well known both European American contest scenes Matthews relative unknown has recently attracted attention West Coast contests Except using thermal blanket Andriukovs style hasnt changed winds prop blades cocked feathered large platelike guard rotating behind Once Andriukov feels its time takes couple slow deep breaths mentally prepares himself hard strong vertical launch propeller kicks vertical momentum appears nearly exhausted contrast between Andriukovs auto-everything Matthewss KISS Keep Simple Stupid approach led us expect classic David-and-Goliath rematch Matthews surprised us touching down 19 seconds short Andriukovs 420-second max us probably would have happy see both win As soon over Matthews surrounded admirers eager 176 Model Aviation MODEL AIRCRAFT PRODUCTS AMAP cutter bow $17900 13 965-9504AMAP power supply$4900 Anodized available Add$1000 $6000 Length 49 h2l/2 ht 21 /2 WIng Cutter Three-piece T tail / tail also sell cut cores available airfoils MH42 MH43 MH62 MH64 7013 RGI5 RGI4A Foam cores $5000 7 53QFull Money-Back 3es35n antee& LAIR SLOPE 11/SPORT ELECTRIC Complete $6000 Length43Wdh3 ht340&6O5tzeMotorRewmmended Shp-on Nose Cone Fuselage made EZ Lam Epoxy Blue Foam 2 lb Density 24 X % X 2 $2900 ii] Aemspace Composite Pmducts Will cut shipping 12 X 48 please specify Bob Ratzlalf 1641 South Elismere Ave Los Angles CA 90019 ASW 171/4 Scale 4 M Basic Kit $28500 Thermal Phase Hand Launch 60 E 387 $5000 information flying techniques Wakefield designs Doug Rousell complemented Canadian achievement placing third closing ceremony elaborate Young women carrying placards announcing teams nationalities Serbo-Croatian paraded past reviewing stand advance team After awarding Team Individual perpetual trophies treated performance Yugoslavian dances post-ceremony banquet held another provincial hotel lasted early morning July 9 exchanged traditional toasts winners cups traded shirts pins decals US team supporters sorry see end glad first leg trip back home Observations view several practices becoming necessity Free Flight World Championships 1 use audible beepers tracking devices helps prevent model loss expensive rebuilding replacement 2 Russian bunt concept should used flyoffs thermals unlikely especially true Towline Glider bunt launching provides decided advantage 3 Serious practice competition flying types weather conditions including wind rain important World Championships time flight characteristics will predictable less erratic E Mid-CoIu mbia/Blakeslee Continued page 103 doing best avoid collisions Most time wont notice flag has dropped depends caller tell him Roll caller commands Turn second two later rules turns must always made / Use CA Adhesives Hinges full 15 MIle thick 4 mIle thicker other leadln brands * Bettor CA Penetration Ade~ IytrLife C0 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. t time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDI5j Uni VUIfo3 EATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H December 1991 177 away hilla right turn left end end course left turn right A turn generally involves rolling bit INTRODUCING Tri-FIi THREE GREAT WAYS TO FLI ONE AMAZING AIRPLANE TriFIir -" engineered field tested outstand ng performance n THREE different configurations Flis 48 folly symmetrical sportBy adding second sport wing wing converts Tri-FIi very solidTn-F/i youve got yourself escep groo sport planethatgoeswfrereyouandtional hi-plane Its slightly point t Take-otis landings slowchallenging single sport wing predictable esperienced flierhot takes off end lands very slowly will find ito joyThis aerobatic combinabon sore favorite Tn-Ph a total system flying Designed engineered thorosghly field tested give sport flier airplane wont grow tired kit contains semi-built fuse three pre-sheeted foam wings Assorted hardware included Recommended engine 40- 50 Speciat Introductory Price $12900 u 700 P&H Credit Card COO Orders call 313-254-0530 Send check Money Order TRS IndustriesFor information send $100 & SASE 42700 Mound Rd Sterling Hts Ml 48314YOU MAY NEVER NEED TO BUY ANOTHER AIRPLANEt
Edition: Model Aviation - 1991/12
Page Numbers: 91, 92, 93, 94, 95, 96, 97, 98, 175, 176, 177
-A awards ceremony si ugosiavian dancers capped y ElAt years FAI Free Flight Championships US teams Randy Archer outfiew best best 27 countries walk away 1991 world-beater FiC Power EFred Terzian AS FOLKS back home enjoyed annual Independence Day festivities FAI Free Flight community gathered Zrenjanin Yugoslavia start its annual World Championships July 4 through 8 1991 teams 28 countries vied trophies FlA Nordic Towline FtC Power FlB Wakefield Rubber Spain Norway did attend year Randy Archer US walked away world title FIC Power Given weather field conditions along world-class competition Archers triumph required total commitment US team its contingent supporters superb win Getting us worried increasing ethnic strife Yugoslavia would force cancellation years contest organizers Yugoslavian consular services assured us region wed flying safely removed violence Most team supporters took direct Lufthansa 747 flight Los Angeles Frankfurt Germany June 26 Roger Marie Maves Ken Denise Phair flew out Colorado connecting different flight Frankfurt George Xenakis flew Lufthansa San Francisco arrived several hours ahead everyone else Frankfurt connected smaller Boeing 727 Budapest Hungary picked up rental cars drove center town night Hotel Volga caravamied out Budapest about 900 next morning So far weather cold windy overcastjust opposite typical summer Baltics drive Zrenjanin stalled Hungarian/Yugoslavian December 1991 91 ii II uo team ja nigni _ates team Back ri. nI saissant team manager Hector Diez - Oliver Ken rnalr Handy Archer Team Manager Walt Ghio Front row left right George vurulunI international FAI team selection rIgorously competitive s Austr I admires ins I-Al worig Lnwilpui5hlP5 perpetual trophies far ctacular cut crystal Daumene Cup awarded highest placing Fl team border choked vacationers heading Baltics avoid trouble spots farther westward Rather waste gas turn car engines off put vehicles neutral pushed ride took about nine hours three hours longer planned border crossing point overwhelmed incoming traffic saw few cars leaving Yugoslavia further reassured us political situation would remain calm Upon arrival Hotel Vojvodina Zrenjanin US Team Manager Walt Ghio lost no time arranging room assignments before evening meal Teams PAN Cup World Cup contest scheduled week before championships also hand Registration processing event took place next day teams limited budget stayed less expensive hotels hostels Some fliers opted official riverside campground near flying site Since tap water appeared unsuitable drinking used bottled beverages Problems Everyone worried about weather on-and-off rain persisted could well affect flying strategies Individuals teams planned perpetual trophies worKs art left row front back Franjo Kluz trophy Kosmonautica Vase both Fl C Team Victor Tatln Cup Fl C dividual right row front back Renaud Cup Fl B Team Wake field Cup FiB Individual enter PAN Cup wanted test fly balked because wind rain first disappointment came breakfast next morning Three Ken Phairs FiC ships damaged transitcause unknown Ken hardly slept night neednt have worried US Glider Power fliers immediately mobilized repair damage memory serves three fuselages set wings severely moderately bent cracked guys worked wonders sawed spliced taped restraightened fuselages Jim Parker feverishly built 92 Model Aviation Whats World Championships lunch little unwinding tent Denise Phalr poses US teams slightly used motorcycle Above Japanese team dressed little differently day-gb green jackets fancy logos Right plethora items fered sale bargain-hunters element U Lull M55I5l5 team manager nectar ulez prepares Jim Parkers FlA Glider five-minute flyoff Parkers canny strategy round left him tied USSRs Makarov second third places Right British Team Manager Martin Dilly holding Glider appears con versing renowned Fl C Power flier Evgeny Verbitsky Unseasonably cold rainy weather plagued much contest alignment jig atop Phairs model box Ken Oliver searched high low microballoons baking soda items everyone seemed have forgotten bring George Xenakis some no asked him Oliver checked contest organizers translate baking soda kitchen staff No luck scoured local groceries Still no luck Suddenly remembered wife Lynn packed surplus Sweet n LowTM packets coffee seemed close granular consistency baking soda maybe would work CyA strengthener Voila According Oliver sugar substitute harder sandI suggested lick off excess otherwise worked well baking soda Randy Archer supply carbon/Kevlar sleeves different diameters used strengthen align interior Kens tail booms wing panel separated near trailing edge juncture top bottom aluminum panels first thought cabin pressure may have severed skin foam interior Ken blamed other factors repairs held up during next few days test flying before PAN Cup Ken would have confidence needed championships Field conditions flew broad flat plain just outside town Aradac Everything green relatively soft December 1991 93 - II Left The winners FlA Nordic Towline Glider Mlkhail Kochkarov USSR center first place Sergei Makarov USSR left second place Jim Parker US right third place Right Bob lsaacson holds Randy Wellers Glider prior launch Fl Nordic Towline Two fliers Finlandss F Left US FiB filers Team Manager Walt Ghio second right during round six Ghlos left George Xenakis Roger Maves right Norm Furutani Right French Fl B filer Gemid Nocque packs turns Note interesting spiral lines Nocques tail boom recent rains appearances excellent site little test flying revealed unexpectedly treacherous conditions Scattered over field low spots tall grasses As fliers helpers attempting keep eye downwind airplane soon discovered hidden beneath innocent-looking grasses lurked outcroppings dirt maybe 12 14 inches high bumpy LEGO block Often muddy full water areas swarmed insects whenever sun came out wind died down like flying bog Insect repellent became order day chase teams quickly repositioned further downwind Retrieval Only two teams brought chase bikes motorcycles too oger Huppert Switzerland launches FiB ship Wakefield pilots usually flew shortly after winding motors remov ing model winding stooge somewhat hindered mud rough terrain Ken Oliver took task appropriating bike way organizers second day PAN Cup US team spent $200 borrowed motorcycle made downwind recovery much easier especially during FiC Power rounds flights traveled long distance Trying shift gears clutch handle carrying plane could tricky though especially muddier rougher ground Opening ceremonies scheduled evening Fourth July 94 Model Aviation LI FiB winners L R Tony Matthews Canada second place Aieicsafldar AndfluKOV USSH nrst place uoug ouseum anaaa third pluGs Right Roger Mavess beautifully trimmed FiB Wakefield Rubber ship perfect July Fourth opening ceremonies xi 1 V Frances Pierre Chassebourg winds d hand Bob White designed Chasse bourgs Fl B Wakefield model tipuiu un InC urptane center parade grounds Partizan Recreation Center Zrenjanin July 4th national holiday Yugoslavia too Because rain squalls ceremonies rescheduled precede first official round weather still hadnt cleared canceled altogether Assistant team manager Martyn Cowley injured automobile accident France unable attend US Team Manager Walt Ghio assigned Hector Diez stand Martyn Walt Hector worked out strategies both model retrieval downwind communication walkie-talkies FiB FiC fliers acted spotters retrievers FlA rounds allowing Glider team members assist another launch thermal hunting chase crew would try hand off Glider flier midpoint downwind prepare next flier system worked pretty well throughout contest oaly way improve would through higher quality radio communications equipment During test flying weather field conditions began causing trouble Models lost through poor adjustments transition during official practices Nordic fliers often kited airplanes wind picked up teams chased Power models long way downwind As some first lose airplanes Aussies Brits brought back reports obstacles confronted Running some canals about mile downwind south found couple crossing points discovered field chest-high cornstalks other side cornfield continued treeline bordering north/south levee Beyond anybodys guess Most top competitors FiC Power flew aluminum-skinned planes have become traditional category Quite few older lower aspect ratio models seen Italys Mario Rocca still individualist uses geodetic-trussed tissue-covered wings tails short tail skids caused hard landings both tip dihedral joints required repairs December 1991 95 Left triumphant Randy Archer center hoists FiC Power World Championship trophy Flanking US title holder second-place fin isher Evgeny Verbitaky USSR left third-place winner Xlan Wang China right Right future Fl C Champion prepares launch early morning round Randys high altitude made difference decisive flyoff round Left Third-place finisher Xian Wang China clean-lined FiC ship Right Mario Rocca Italy repairs dihedral breaks FiC ship its distinctive geodetic-trussed tissue-covered wing tail Roccas model very few built-up Power designs FlA Nordic Towline Seventy-five competitors flew outstanding fliers parts globe including two Chinas Wei Wang studies teams ther- Ken Oliver launches Fl C V-Max design mal recorder before launch Fl C spectators liked both flier plane Left Polands Jan Ochman prepares FiC Power airplane Right Evgeny Verbitsky launches ABS-Rotor-sponsored ship atter Randy Archer takes lead final FiC flyoff round Despite slower efficient glide Verbitsky never caught up Randys altitude US eliminated flyoffs Wind rain slippery field conditions made first rounds tricky US team member Bob Isaacson still nursing knee injured US Free Flight Champs May reinjured slipping mud first round Bob immediately experienced problems towing rain Glider snaked back forth slowing forward progress attempted keep diving ground finally succeeded launching off line model began stallthe wet conditions shifted center-of-gravity Though Bob perfect score throughout remaining six rounds missed max ultimately flyoffs partly because rainwater clinging tissue-covered stabilizer Teammate Randy Weiler did well until missed max 12 seconds third round fliers dropped round other Rain squalls moved out some heavy enough suspend start round everyone ran shelter processing tents cars sought refuge large canvas-covered tent lunch served immediately attacked mosquitoes waiting out storm Thirteen fliers including Jim Parker US maxed out made flyoff rounds Germany North Korea Soviet Union two fliers no full teams represented Four flierstwo Russians German Jim Parkersurvived four-minute round Jim predicted strategy five-minute round almost once Sure enough Russians began towing trailing German other took off after him become almost dead calm scattered clouds no rain Fliers searched vain patch lift Russian chased German around through processing area parked vehicles Jim made second Russian struggle near bogs marshes released Gliders drift toward southwest line parked cars timers would have chase models drifted beyond clear view word came Russians Mikhail Kochkarov achieved five-minute goal German Uwe Rusch come down after three minutes still didnt know Jims Joshua design Sergei Makarovs bunter fared Jims Glider stayed clear view descended supporters desperately waved T-shirts vain attempt break away nonexistent thermal Meanwhile Makarovs Glider flew over cluster cars buses descending what seemed difficult direction timers unclear whether Makarovs two timers actually saw plane hit ground apparenfly kept view passed behind vehicle after another Comparing stopwatches timers called tie four minutes 20 secondsan absolutely amazing coincidence As Parker girded tie-breaker round would decide second third places US contingent saw what up against Since little chance finding isolated patch lift better gliding model would have advantage second factor however Makarovs use bunt launch Russians have perfected bunting Gliders Nordic Towline event fact both Kochkarov Makarov have collaborated very sophisticated multifunction timer tow hook bunt wing-wiggler setupand obviously have mastered its use flare fired Parker took Makarov minimarathon over rises hummocks around bogs depressions approached herders sheep pen about 200 yards northeast gradually worked way back Jim zoomed Glider perfect release off line general cheers 96 Model Aviation Xian Wang China launches hiL shIp final flyoff round Wang finished hind Archer Verbitsky third place Oliver poinis ow nanay rcnur u uur plane during final flyoff round gave Randy world title Fl C anay Arcner ana u earn manager Walt Ghio make final adjustments Randys Power ship tension builds deci sive nine-minute flyoff round FiC STINSON SR-a 1/5 SCALE 100 DeHAVILLAND DEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4SCAIF nfl whistles applause Within seconds Sergei Makarov shot plane 15 20 feet above Jims perfect bunt transition Unless hit hole Makarov clearly second place edged Jim out 65 seconds everyone enjoyed spectacular finish FtC Power Fog broke out early morning FlC Power day dissipated well before first round Fliers fired up engines testing overall performance well fuel compatibility balky engines critical trim settings Dampness previous days rains sent downwind spotters chasers looking new routes car motorcycle foot travel strategy changed flights shorter expected motorcycle would midway between flight line crews farthest downwind driver also would closer folks carrying walkie-talkies making easier confirm position flying model Ken Olivers Power ship probably unusual configuration its V-dihedral wing tiplets definitely drew largest crowds People took measurements photographs chance got Kens test flight altitudes compared very best observers thought design definitely competitive As luck would have though Oliver missed required four-minute first round 60 seconds didnt see launch told later simply picked bad air Though Ken easily maxed remaining six flights mentioned glide turns too open Possibly because tiplets ship veered like weathervane winds picked up Ken plans additional refinements very competitive design took exhaustive testing before during after PAN Cup Ken Phair airplanes repaired flying properly contest time moved smoothly through first three rounds Continued page 98 FOAMAIRE 10 SPAN su-js Lii, eo-75 UC POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 L 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOOD CHOOSE 3 OR 4 CH SLOW AND STABLE KIT $26995 SPDKIT$1995 $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOG RT 1 NEODESHA KS 66757 OF SAC KITS AND ACC 316325-2821 FREE SHIPPING ON KIT ORDERS SA/MASTERCARD December 1991 97 MAULE M51M6 ROCKET 1/4 SCALE 98 drawn ranks ariuaIv ext ur fine FAIRCHILD 24 GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 WACO 10 1/5 SCALE 73 yourself favor IKON NWST Kit n world wide finest scale kits knocked 41 seconds off potential max disastrous fourth Ken wasnt alone Most competitors dropped max fourth round four lost chance flyoffs Eighteen contenders made flyoffs China Poland full teams four countries two-flier contingents pilots bunters used beepers transmitting devices downwind recovery devices becoming essential uneven terrain tall crops make line-ofsight tracking impossible Despite desperate searches ultralight foot some airplanes never found Using Jim Walston-designed tracking device Randy Archer discovered early could within 10 feet plane corn rows see After decreasing trackers sensitivity knew hidden ship close took several stepsand almost tripped over Randy looked consistently good confidence teams recovery flights downwind left him free concentrate flying picking air preparing backup ships necessary flyoffs intense Only four competitors dropped four-minute flight darkness fell before rounds completed Contest officials hoped wind things up before first Wakefield round next morning conditions forced second postponement until after FiB competition seven-minute round began seven competitors no full teams Being some distance radio communications sat motorcycle slightly north official field headquarters waiting round begin Xenakis Furutani about 400 yards south Parker Weiler others about same distance beyond saw Power ships approach thought saw Archers heading slightly left Gunning engine cycle stayed beneath plane until ran out Continued page 175 -IwT7 60 Engine Size Epoxy Fiberglass Fuselage Kit Super Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt -lirobo GMP & Schluter Gear Flesable Tail Drive Unit Wood Kit includes Bodys Clear Canopy Landing F ware Manual Blueprint someI models also include Fitotstation Machine Gun Rocket Radar Dome & Shocks AH-1 STOW COBRA 36995 AH-64 APACHE 38995 UH-1 B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 HOBBY DEALERS & HOBBIES CALL WRITE CATALOG ____________________Ph 408-942-9525 521 Sinclair Frontage Rd Milpitas CA 95035 FAX 408-942-9524 98 Model Aviation UPGRAJED & UPDATED MODIFIED AIRFRAME NEW SINGLE SHEET ROLLED PLANS NEW STEP-BY-STEP INSTRUCTIONS DETAILED ISOMETRIC DRAWINGS QUICKER MORE COMPLETE BUILDING THE SAME VFRV TARI F FLYING PLAI I-UI-IM EXCELLENTIARACTERISTICS Wing Span. Wing Area730 sq Wing Chord145 Fuselage Length57 Fuselage Width max65 ON THE DRAWIt Stabilizer Span23Cowl Diameter65 Stabilizer Area120 sqCowl Depth35 Stabilizer Chord55 Two Cycle Engine60Fin Height10 Weight8-10 lbsFin Area59 sq WORLD CLASS RIO HELICOPTERS & ACCESSORIES IMPORT & EXPORT Well gang wraps up another couple months Remember National Help-a-Junior Avoid-FlyingNear-Power-Lines Month Happy landingsE FF World Champs/Terzian Continued page 98 traversable territory model dethermalized crop sunflowers saw someone working way toward first assumed Id tracking wrong airplane quick scan skies turned up no other familiar-looking planes rode down George Xenakis positioned himself radio see knew whereabouts Randys model George also thought Randys headed back intercept whoever carrying itone British assistants turned out handed plane over warned could disqualified Retrieval vehicles explained banned during flyoffs Concerned rode back join Xenakis asked knew such rule play safe abandoned motorcycle began walking airplane mile flight line hoping relieved US helper going other way reached Randys pole position before start next flyoff round Randy didnt need backup ship got observe round No expected flying go beyond seven-minute mark since four competitors still clean seemed prudent move flight line far upwind possible almost road leading town Aradac idea help fliers avoid downwind crops trees improving timers chances seeing descending planes low-light conditions nine-minute round four-way contest among Randy Archer Xian Wang China Evgeny Verbitsky Valery Strukov Soviet Union Randy faced serious competitionparticularly Verbitsky plane seemed have best glide Still Americans strong hopes medal flier decide himself close set clockwork timers maximize engine run time seven seconds gain little altitude Rather chancing overrun hands potentially inexperienced official timer Walt Randy left settings alone Everyone spectators included watched Randys airplane break 540 seconds apparently Randys official timers stopped watch prematurely time confirmed official interpretationand official watches Sandy Pimenoff fortunately present part FM Jury pulled both timers aside interpreted results Pimenoff ruled favor Randys nine-minute max nearly nine oclock evening sun almost grazed horizon flying continued past sunset models would difficult see fliers wired up teams supporters suspenseand flyoffs would go still substantial drift south toward distant treeline horizon turnabout Randy fired up engine almost immediately launched Verbitsky Wang grappled glow plug leads tried catch up Randy made near-vertical climb settled slow-turning glide picture-perfect transiton Screaming reach same altitude air Verbitskys ABS-Rotor-sponsored ship developed stall after bunt transition Wangs airplane also stalled Both models eventually settled proper glide lost altitude process Though clear three planes drifted downwind Verbitskys slowest efficient glide Randys altitude won day As design Randys Glider touched down just sunset long dayand exciting us Americans new F lC World Champion accepted congratulations rivals spectatorsincluding December 1991 175 YOU DESERVE TOP GUN hIKE GR6-120 2-CYCLE FOR CHRISTMAS 16 LBS OF THRUST 83 DIA 2 YEARS OF SATISFIED CUSTOMERS EQUIVALENT ENGINE POWER G38 040 5T3000 HIGH RELIABILITY AVAILABLE WITH McDANIEL GLO-DRIVER SHOWN LIMITED LIFETIME GUARANTEE PRICED AT ONLY $925 RECOMMENDED AND TESTED BY TIlE EXPERTS Clarence Lee RCM JUNE 91 Pretty Impressive performance MIKE GR6-120 develops exceptional power extremely low vIbration 8000 rpm 18/8 outstanding 4 stroke radial comparable power sells $400-$500 Siu Richmond MODEL BUILDER OCTOBER 90 engine class itself nothing compares time vibration free engine next Wankel RADIAL ENGINE TECHNOLOGIES INC 7 Greenwood Lane Valhalla NY 10595 914-686-9373 mosquitoesheaded dinner FiB Wakefield Rubber Wakefields quiet dignity took surprise After screaming Rossis Nelsons other 25cc engines day before pleasure hear occasional busted strand madly unwinding itself inside motor tube Up until now entertained amplified music predominantly American although competitors really paid attention nearing first position pole spectating rather flying contrast Wakefield fliers seemed business set up stooges assembled airplanes usually ready fly after winding motors removing planes winding stooges particular interest Americans electric thermal blankets European fliers using warm up rubber motors blanket connected electric cord power source sitting ground attached outside motor tube Velcro intense sun occasionally cooled scattered clouds shirtsleeve weather day Thermals generally spotty often small cylinders other hand some rounds saw eight 10 Wakefields circling together high altitude single massive thermal first round 210 seconds seemed easy enough target Yet 17 65 entrants including own George Xenakis failed make As George set pattern Roger Maves missed max second round Norm Furutani dropped third Both George Norm went difficult sixth rounds before finally maxing seventh luckier fliers sixth round caught massive cumulus cloud churned directly overhead about 30 minutes flew earlier also managed max Some took chances after thermal passed barely made max others dropped flight George dropped 11 seconds Seventeen fliers made flyoff rounds Poland USSR full teams Canadas Tony Matthews Doug Rousell North Americans Twelve survived six-minute round over field narrowed USSRs Aleksandar Andriukov dark horse Tony Matthews Andriukov well known both European American contest scenes Matthews relative unknown has recently attracted attention West Coast contests Except using thermal blanket Andriukovs style hasnt changed winds prop blades cocked feathered large platelike guard rotating behind Once Andriukov feels its time takes couple slow deep breaths mentally prepares himself hard strong vertical launch propeller kicks vertical momentum appears nearly exhausted contrast between Andriukovs auto-everything Matthewss KISS Keep Simple Stupid approach led us expect classic David-and-Goliath rematch Matthews surprised us touching down 19 seconds short Andriukovs 420-second max us probably would have happy see both win As soon over Matthews surrounded admirers eager 176 Model Aviation MODEL AIRCRAFT PRODUCTS AMAP cutter bow $17900 13 965-9504AMAP power supply$4900 Anodized available Add$1000 $6000 Length 49 h2l/2 ht 21 /2 WIng Cutter Three-piece T tail / tail also sell cut cores available airfoils MH42 MH43 MH62 MH64 7013 RGI5 RGI4A Foam cores $5000 7 53QFull Money-Back 3es35n antee& LAIR SLOPE 11/SPORT ELECTRIC Complete $6000 Length43Wdh3 ht340&6O5tzeMotorRewmmended Shp-on Nose Cone Fuselage made EZ Lam Epoxy Blue Foam 2 lb Density 24 X % X 2 $2900 ii] Aemspace Composite Pmducts Will cut shipping 12 X 48 please specify Bob Ratzlalf 1641 South Elismere Ave Los Angles CA 90019 ASW 171/4 Scale 4 M Basic Kit $28500 Thermal Phase Hand Launch 60 E 387 $5000 information flying techniques Wakefield designs Doug Rousell complemented Canadian achievement placing third closing ceremony elaborate Young women carrying placards announcing teams nationalities Serbo-Croatian paraded past reviewing stand advance team After awarding Team Individual perpetual trophies treated performance Yugoslavian dances post-ceremony banquet held another provincial hotel lasted early morning July 9 exchanged traditional toasts winners cups traded shirts pins decals US team supporters sorry see end glad first leg trip back home Observations view several practices becoming necessity Free Flight World Championships 1 use audible beepers tracking devices helps prevent model loss expensive rebuilding replacement 2 Russian bunt concept should used flyoffs thermals unlikely especially true Towline Glider bunt launching provides decided advantage 3 Serious practice competition flying types weather conditions including wind rain important World Championships time flight characteristics will predictable less erratic E Mid-CoIu mbia/Blakeslee Continued page 103 doing best avoid collisions Most time wont notice flag has dropped depends caller tell him Roll caller commands Turn second two later rules turns must always made / Use CA Adhesives Hinges full 15 MIle thick 4 mIle thicker other leadln brands * Bettor CA Penetration Ade~ IytrLife C0 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. t time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDI5j Uni VUIfo3 EATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H December 1991 177 away hilla right turn left end end course left turn right A turn generally involves rolling bit INTRODUCING Tri-FIi THREE GREAT WAYS TO FLI ONE AMAZING AIRPLANE TriFIir -" engineered field tested outstand ng performance n THREE different configurations Flis 48 folly symmetrical sportBy adding second sport wing wing converts Tri-FIi very solidTn-F/i youve got yourself escep groo sport planethatgoeswfrereyouandtional hi-plane Its slightly point t Take-otis landings slowchallenging single sport wing predictable esperienced flierhot takes off end lands very slowly will find ito joyThis aerobatic combinabon sore favorite Tn-Ph a total system flying Designed engineered thorosghly field tested give sport flier airplane wont grow tired kit contains semi-built fuse three pre-sheeted foam wings Assorted hardware included Recommended engine 40- 50 Speciat Introductory Price $12900 u 700 P&H Credit Card COO Orders call 313-254-0530 Send check Money Order TRS IndustriesFor information send $100 & SASE 42700 Mound Rd Sterling Hts Ml 48314YOU MAY NEVER NEED TO BUY ANOTHER AIRPLANEt
Edition: Model Aviation - 1991/12
Page Numbers: 91, 92, 93, 94, 95, 96, 97, 98, 175, 176, 177
-A awards ceremony si ugosiavian dancers capped y ElAt years FAI Free Flight Championships US teams Randy Archer outfiew best best 27 countries walk away 1991 world-beater FiC Power EFred Terzian AS FOLKS back home enjoyed annual Independence Day festivities FAI Free Flight community gathered Zrenjanin Yugoslavia start its annual World Championships July 4 through 8 1991 teams 28 countries vied trophies FlA Nordic Towline FtC Power FlB Wakefield Rubber Spain Norway did attend year Randy Archer US walked away world title FIC Power Given weather field conditions along world-class competition Archers triumph required total commitment US team its contingent supporters superb win Getting us worried increasing ethnic strife Yugoslavia would force cancellation years contest organizers Yugoslavian consular services assured us region wed flying safely removed violence Most team supporters took direct Lufthansa 747 flight Los Angeles Frankfurt Germany June 26 Roger Marie Maves Ken Denise Phair flew out Colorado connecting different flight Frankfurt George Xenakis flew Lufthansa San Francisco arrived several hours ahead everyone else Frankfurt connected smaller Boeing 727 Budapest Hungary picked up rental cars drove center town night Hotel Volga caravamied out Budapest about 900 next morning So far weather cold windy overcastjust opposite typical summer Baltics drive Zrenjanin stalled Hungarian/Yugoslavian December 1991 91 ii II uo team ja nigni _ates team Back ri. nI saissant team manager Hector Diez - Oliver Ken rnalr Handy Archer Team Manager Walt Ghio Front row left right George vurulunI international FAI team selection rIgorously competitive s Austr I admires ins I-Al worig Lnwilpui5hlP5 perpetual trophies far ctacular cut crystal Daumene Cup awarded highest placing Fl team border choked vacationers heading Baltics avoid trouble spots farther westward Rather waste gas turn car engines off put vehicles neutral pushed ride took about nine hours three hours longer planned border crossing point overwhelmed incoming traffic saw few cars leaving Yugoslavia further reassured us political situation would remain calm Upon arrival Hotel Vojvodina Zrenjanin US Team Manager Walt Ghio lost no time arranging room assignments before evening meal Teams PAN Cup World Cup contest scheduled week before championships also hand Registration processing event took place next day teams limited budget stayed less expensive hotels hostels Some fliers opted official riverside campground near flying site Since tap water appeared unsuitable drinking used bottled beverages Problems Everyone worried about weather on-and-off rain persisted could well affect flying strategies Individuals teams planned perpetual trophies worKs art left row front back Franjo Kluz trophy Kosmonautica Vase both Fl C Team Victor Tatln Cup Fl C dividual right row front back Renaud Cup Fl B Team Wake field Cup FiB Individual enter PAN Cup wanted test fly balked because wind rain first disappointment came breakfast next morning Three Ken Phairs FiC ships damaged transitcause unknown Ken hardly slept night neednt have worried US Glider Power fliers immediately mobilized repair damage memory serves three fuselages set wings severely moderately bent cracked guys worked wonders sawed spliced taped restraightened fuselages Jim Parker feverishly built 92 Model Aviation Whats World Championships lunch little unwinding tent Denise Phalr poses US teams slightly used motorcycle Above Japanese team dressed little differently day-gb green jackets fancy logos Right plethora items fered sale bargain-hunters element U Lull M55I5l5 team manager nectar ulez prepares Jim Parkers FlA Glider five-minute flyoff Parkers canny strategy round left him tied USSRs Makarov second third places Right British Team Manager Martin Dilly holding Glider appears con versing renowned Fl C Power flier Evgeny Verbitsky Unseasonably cold rainy weather plagued much contest alignment jig atop Phairs model box Ken Oliver searched high low microballoons baking soda items everyone seemed have forgotten bring George Xenakis some no asked him Oliver checked contest organizers translate baking soda kitchen staff No luck scoured local groceries Still no luck Suddenly remembered wife Lynn packed surplus Sweet n LowTM packets coffee seemed close granular consistency baking soda maybe would work CyA strengthener Voila According Oliver sugar substitute harder sandI suggested lick off excess otherwise worked well baking soda Randy Archer supply carbon/Kevlar sleeves different diameters used strengthen align interior Kens tail booms wing panel separated near trailing edge juncture top bottom aluminum panels first thought cabin pressure may have severed skin foam interior Ken blamed other factors repairs held up during next few days test flying before PAN Cup Ken would have confidence needed championships Field conditions flew broad flat plain just outside town Aradac Everything green relatively soft December 1991 93 - II Left The winners FlA Nordic Towline Glider Mlkhail Kochkarov USSR center first place Sergei Makarov USSR left second place Jim Parker US right third place Right Bob lsaacson holds Randy Wellers Glider prior launch Fl Nordic Towline Two fliers Finlandss F Left US FiB filers Team Manager Walt Ghio second right during round six Ghlos left George Xenakis Roger Maves right Norm Furutani Right French Fl B filer Gemid Nocque packs turns Note interesting spiral lines Nocques tail boom recent rains appearances excellent site little test flying revealed unexpectedly treacherous conditions Scattered over field low spots tall grasses As fliers helpers attempting keep eye downwind airplane soon discovered hidden beneath innocent-looking grasses lurked outcroppings dirt maybe 12 14 inches high bumpy LEGO block Often muddy full water areas swarmed insects whenever sun came out wind died down like flying bog Insect repellent became order day chase teams quickly repositioned further downwind Retrieval Only two teams brought chase bikes motorcycles too oger Huppert Switzerland launches FiB ship Wakefield pilots usually flew shortly after winding motors remov ing model winding stooge somewhat hindered mud rough terrain Ken Oliver took task appropriating bike way organizers second day PAN Cup US team spent $200 borrowed motorcycle made downwind recovery much easier especially during FiC Power rounds flights traveled long distance Trying shift gears clutch handle carrying plane could tricky though especially muddier rougher ground Opening ceremonies scheduled evening Fourth July 94 Model Aviation LI FiB winners L R Tony Matthews Canada second place Aieicsafldar AndfluKOV USSH nrst place uoug ouseum anaaa third pluGs Right Roger Mavess beautifully trimmed FiB Wakefield Rubber ship perfect July Fourth opening ceremonies xi 1 V Frances Pierre Chassebourg winds d hand Bob White designed Chasse bourgs Fl B Wakefield model tipuiu un InC urptane center parade grounds Partizan Recreation Center Zrenjanin July 4th national holiday Yugoslavia too Because rain squalls ceremonies rescheduled precede first official round weather still hadnt cleared canceled altogether Assistant team manager Martyn Cowley injured automobile accident France unable attend US Team Manager Walt Ghio assigned Hector Diez stand Martyn Walt Hector worked out strategies both model retrieval downwind communication walkie-talkies FiB FiC fliers acted spotters retrievers FlA rounds allowing Glider team members assist another launch thermal hunting chase crew would try hand off Glider flier midpoint downwind prepare next flier system worked pretty well throughout contest oaly way improve would through higher quality radio communications equipment During test flying weather field conditions began causing trouble Models lost through poor adjustments transition during official practices Nordic fliers often kited airplanes wind picked up teams chased Power models long way downwind As some first lose airplanes Aussies Brits brought back reports obstacles confronted Running some canals about mile downwind south found couple crossing points discovered field chest-high cornstalks other side cornfield continued treeline bordering north/south levee Beyond anybodys guess Most top competitors FiC Power flew aluminum-skinned planes have become traditional category Quite few older lower aspect ratio models seen Italys Mario Rocca still individualist uses geodetic-trussed tissue-covered wings tails short tail skids caused hard landings both tip dihedral joints required repairs December 1991 95 Left triumphant Randy Archer center hoists FiC Power World Championship trophy Flanking US title holder second-place fin isher Evgeny Verbitaky USSR left third-place winner Xlan Wang China right Right future Fl C Champion prepares launch early morning round Randys high altitude made difference decisive flyoff round Left Third-place finisher Xian Wang China clean-lined FiC ship Right Mario Rocca Italy repairs dihedral breaks FiC ship its distinctive geodetic-trussed tissue-covered wing tail Roccas model very few built-up Power designs FlA Nordic Towline Seventy-five competitors flew outstanding fliers parts globe including two Chinas Wei Wang studies teams ther- Ken Oliver launches Fl C V-Max design mal recorder before launch Fl C spectators liked both flier plane Left Polands Jan Ochman prepares FiC Power airplane Right Evgeny Verbitsky launches ABS-Rotor-sponsored ship atter Randy Archer takes lead final FiC flyoff round Despite slower efficient glide Verbitsky never caught up Randys altitude US eliminated flyoffs Wind rain slippery field conditions made first rounds tricky US team member Bob Isaacson still nursing knee injured US Free Flight Champs May reinjured slipping mud first round Bob immediately experienced problems towing rain Glider snaked back forth slowing forward progress attempted keep diving ground finally succeeded launching off line model began stallthe wet conditions shifted center-of-gravity Though Bob perfect score throughout remaining six rounds missed max ultimately flyoffs partly because rainwater clinging tissue-covered stabilizer Teammate Randy Weiler did well until missed max 12 seconds third round fliers dropped round other Rain squalls moved out some heavy enough suspend start round everyone ran shelter processing tents cars sought refuge large canvas-covered tent lunch served immediately attacked mosquitoes waiting out storm Thirteen fliers including Jim Parker US maxed out made flyoff rounds Germany North Korea Soviet Union two fliers no full teams represented Four flierstwo Russians German Jim Parkersurvived four-minute round Jim predicted strategy five-minute round almost once Sure enough Russians began towing trailing German other took off after him become almost dead calm scattered clouds no rain Fliers searched vain patch lift Russian chased German around through processing area parked vehicles Jim made second Russian struggle near bogs marshes released Gliders drift toward southwest line parked cars timers would have chase models drifted beyond clear view word came Russians Mikhail Kochkarov achieved five-minute goal German Uwe Rusch come down after three minutes still didnt know Jims Joshua design Sergei Makarovs bunter fared Jims Glider stayed clear view descended supporters desperately waved T-shirts vain attempt break away nonexistent thermal Meanwhile Makarovs Glider flew over cluster cars buses descending what seemed difficult direction timers unclear whether Makarovs two timers actually saw plane hit ground apparenfly kept view passed behind vehicle after another Comparing stopwatches timers called tie four minutes 20 secondsan absolutely amazing coincidence As Parker girded tie-breaker round would decide second third places US contingent saw what up against Since little chance finding isolated patch lift better gliding model would have advantage second factor however Makarovs use bunt launch Russians have perfected bunting Gliders Nordic Towline event fact both Kochkarov Makarov have collaborated very sophisticated multifunction timer tow hook bunt wing-wiggler setupand obviously have mastered its use flare fired Parker took Makarov minimarathon over rises hummocks around bogs depressions approached herders sheep pen about 200 yards northeast gradually worked way back Jim zoomed Glider perfect release off line general cheers 96 Model Aviation Xian Wang China launches hiL shIp final flyoff round Wang finished hind Archer Verbitsky third place Oliver poinis ow nanay rcnur u uur plane during final flyoff round gave Randy world title Fl C anay Arcner ana u earn manager Walt Ghio make final adjustments Randys Power ship tension builds deci sive nine-minute flyoff round FiC STINSON SR-a 1/5 SCALE 100 DeHAVILLAND DEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4SCAIF nfl whistles applause Within seconds Sergei Makarov shot plane 15 20 feet above Jims perfect bunt transition Unless hit hole Makarov clearly second place edged Jim out 65 seconds everyone enjoyed spectacular finish FtC Power Fog broke out early morning FlC Power day dissipated well before first round Fliers fired up engines testing overall performance well fuel compatibility balky engines critical trim settings Dampness previous days rains sent downwind spotters chasers looking new routes car motorcycle foot travel strategy changed flights shorter expected motorcycle would midway between flight line crews farthest downwind driver also would closer folks carrying walkie-talkies making easier confirm position flying model Ken Olivers Power ship probably unusual configuration its V-dihedral wing tiplets definitely drew largest crowds People took measurements photographs chance got Kens test flight altitudes compared very best observers thought design definitely competitive As luck would have though Oliver missed required four-minute first round 60 seconds didnt see launch told later simply picked bad air Though Ken easily maxed remaining six flights mentioned glide turns too open Possibly because tiplets ship veered like weathervane winds picked up Ken plans additional refinements very competitive design took exhaustive testing before during after PAN Cup Ken Phair airplanes repaired flying properly contest time moved smoothly through first three rounds Continued page 98 FOAMAIRE 10 SPAN su-js Lii, eo-75 UC POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 L 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOOD CHOOSE 3 OR 4 CH SLOW AND STABLE KIT $26995 SPDKIT$1995 $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOG RT 1 NEODESHA KS 66757 OF SAC KITS AND ACC 316325-2821 FREE SHIPPING ON KIT ORDERS SA/MASTERCARD December 1991 97 MAULE M51M6 ROCKET 1/4 SCALE 98 drawn ranks ariuaIv ext ur fine FAIRCHILD 24 GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 WACO 10 1/5 SCALE 73 yourself favor IKON NWST Kit n world wide finest scale kits knocked 41 seconds off potential max disastrous fourth Ken wasnt alone Most competitors dropped max fourth round four lost chance flyoffs Eighteen contenders made flyoffs China Poland full teams four countries two-flier contingents pilots bunters used beepers transmitting devices downwind recovery devices becoming essential uneven terrain tall crops make line-ofsight tracking impossible Despite desperate searches ultralight foot some airplanes never found Using Jim Walston-designed tracking device Randy Archer discovered early could within 10 feet plane corn rows see After decreasing trackers sensitivity knew hidden ship close took several stepsand almost tripped over Randy looked consistently good confidence teams recovery flights downwind left him free concentrate flying picking air preparing backup ships necessary flyoffs intense Only four competitors dropped four-minute flight darkness fell before rounds completed Contest officials hoped wind things up before first Wakefield round next morning conditions forced second postponement until after FiB competition seven-minute round began seven competitors no full teams Being some distance radio communications sat motorcycle slightly north official field headquarters waiting round begin Xenakis Furutani about 400 yards south Parker Weiler others about same distance beyond saw Power ships approach thought saw Archers heading slightly left Gunning engine cycle stayed beneath plane until ran out Continued page 175 -IwT7 60 Engine Size Epoxy Fiberglass Fuselage Kit Super Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt -lirobo GMP & Schluter Gear Flesable Tail Drive Unit Wood Kit includes Bodys Clear Canopy Landing F ware Manual Blueprint someI models also include Fitotstation Machine Gun Rocket Radar Dome & Shocks AH-1 STOW COBRA 36995 AH-64 APACHE 38995 UH-1 B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 HOBBY DEALERS & HOBBIES CALL WRITE CATALOG ____________________Ph 408-942-9525 521 Sinclair Frontage Rd Milpitas CA 95035 FAX 408-942-9524 98 Model Aviation UPGRAJED & UPDATED MODIFIED AIRFRAME NEW SINGLE SHEET ROLLED PLANS NEW STEP-BY-STEP INSTRUCTIONS DETAILED ISOMETRIC DRAWINGS QUICKER MORE COMPLETE BUILDING THE SAME VFRV TARI F FLYING PLAI I-UI-IM EXCELLENTIARACTERISTICS Wing Span. Wing Area730 sq Wing Chord145 Fuselage Length57 Fuselage Width max65 ON THE DRAWIt Stabilizer Span23Cowl Diameter65 Stabilizer Area120 sqCowl Depth35 Stabilizer Chord55 Two Cycle Engine60Fin Height10 Weight8-10 lbsFin Area59 sq WORLD CLASS RIO HELICOPTERS & ACCESSORIES IMPORT & EXPORT Well gang wraps up another couple months Remember National Help-a-Junior Avoid-FlyingNear-Power-Lines Month Happy landingsE FF World Champs/Terzian Continued page 98 traversable territory model dethermalized crop sunflowers saw someone working way toward first assumed Id tracking wrong airplane quick scan skies turned up no other familiar-looking planes rode down George Xenakis positioned himself radio see knew whereabouts Randys model George also thought Randys headed back intercept whoever carrying itone British assistants turned out handed plane over warned could disqualified Retrieval vehicles explained banned during flyoffs Concerned rode back join Xenakis asked knew such rule play safe abandoned motorcycle began walking airplane mile flight line hoping relieved US helper going other way reached Randys pole position before start next flyoff round Randy didnt need backup ship got observe round No expected flying go beyond seven-minute mark since four competitors still clean seemed prudent move flight line far upwind possible almost road leading town Aradac idea help fliers avoid downwind crops trees improving timers chances seeing descending planes low-light conditions nine-minute round four-way contest among Randy Archer Xian Wang China Evgeny Verbitsky Valery Strukov Soviet Union Randy faced serious competitionparticularly Verbitsky plane seemed have best glide Still Americans strong hopes medal flier decide himself close set clockwork timers maximize engine run time seven seconds gain little altitude Rather chancing overrun hands potentially inexperienced official timer Walt Randy left settings alone Everyone spectators included watched Randys airplane break 540 seconds apparently Randys official timers stopped watch prematurely time confirmed official interpretationand official watches Sandy Pimenoff fortunately present part FM Jury pulled both timers aside interpreted results Pimenoff ruled favor Randys nine-minute max nearly nine oclock evening sun almost grazed horizon flying continued past sunset models would difficult see fliers wired up teams supporters suspenseand flyoffs would go still substantial drift south toward distant treeline horizon turnabout Randy fired up engine almost immediately launched Verbitsky Wang grappled glow plug leads tried catch up Randy made near-vertical climb settled slow-turning glide picture-perfect transiton Screaming reach same altitude air Verbitskys ABS-Rotor-sponsored ship developed stall after bunt transition Wangs airplane also stalled Both models eventually settled proper glide lost altitude process Though clear three planes drifted downwind Verbitskys slowest efficient glide Randys altitude won day As design Randys Glider touched down just sunset long dayand exciting us Americans new F lC World Champion accepted congratulations rivals spectatorsincluding December 1991 175 YOU DESERVE TOP GUN hIKE GR6-120 2-CYCLE FOR CHRISTMAS 16 LBS OF THRUST 83 DIA 2 YEARS OF SATISFIED CUSTOMERS EQUIVALENT ENGINE POWER G38 040 5T3000 HIGH RELIABILITY AVAILABLE WITH McDANIEL GLO-DRIVER SHOWN LIMITED LIFETIME GUARANTEE PRICED AT ONLY $925 RECOMMENDED AND TESTED BY TIlE EXPERTS Clarence Lee RCM JUNE 91 Pretty Impressive performance MIKE GR6-120 develops exceptional power extremely low vIbration 8000 rpm 18/8 outstanding 4 stroke radial comparable power sells $400-$500 Siu Richmond MODEL BUILDER OCTOBER 90 engine class itself nothing compares time vibration free engine next Wankel RADIAL ENGINE TECHNOLOGIES INC 7 Greenwood Lane Valhalla NY 10595 914-686-9373 mosquitoesheaded dinner FiB Wakefield Rubber Wakefields quiet dignity took surprise After screaming Rossis Nelsons other 25cc engines day before pleasure hear occasional busted strand madly unwinding itself inside motor tube Up until now entertained amplified music predominantly American although competitors really paid attention nearing first position pole spectating rather flying contrast Wakefield fliers seemed business set up stooges assembled airplanes usually ready fly after winding motors removing planes winding stooges particular interest Americans electric thermal blankets European fliers using warm up rubber motors blanket connected electric cord power source sitting ground attached outside motor tube Velcro intense sun occasionally cooled scattered clouds shirtsleeve weather day Thermals generally spotty often small cylinders other hand some rounds saw eight 10 Wakefields circling together high altitude single massive thermal first round 210 seconds seemed easy enough target Yet 17 65 entrants including own George Xenakis failed make As George set pattern Roger Maves missed max second round Norm Furutani dropped third Both George Norm went difficult sixth rounds before finally maxing seventh luckier fliers sixth round caught massive cumulus cloud churned directly overhead about 30 minutes flew earlier also managed max Some took chances after thermal passed barely made max others dropped flight George dropped 11 seconds Seventeen fliers made flyoff rounds Poland USSR full teams Canadas Tony Matthews Doug Rousell North Americans Twelve survived six-minute round over field narrowed USSRs Aleksandar Andriukov dark horse Tony Matthews Andriukov well known both European American contest scenes Matthews relative unknown has recently attracted attention West Coast contests Except using thermal blanket Andriukovs style hasnt changed winds prop blades cocked feathered large platelike guard rotating behind Once Andriukov feels its time takes couple slow deep breaths mentally prepares himself hard strong vertical launch propeller kicks vertical momentum appears nearly exhausted contrast between Andriukovs auto-everything Matthewss KISS Keep Simple Stupid approach led us expect classic David-and-Goliath rematch Matthews surprised us touching down 19 seconds short Andriukovs 420-second max us probably would have happy see both win As soon over Matthews surrounded admirers eager 176 Model Aviation MODEL AIRCRAFT PRODUCTS AMAP cutter bow $17900 13 965-9504AMAP power supply$4900 Anodized available Add$1000 $6000 Length 49 h2l/2 ht 21 /2 WIng Cutter Three-piece T tail / tail also sell cut cores available airfoils MH42 MH43 MH62 MH64 7013 RGI5 RGI4A Foam cores $5000 7 53QFull Money-Back 3es35n antee& LAIR SLOPE 11/SPORT ELECTRIC Complete $6000 Length43Wdh3 ht340&6O5tzeMotorRewmmended Shp-on Nose Cone Fuselage made EZ Lam Epoxy Blue Foam 2 lb Density 24 X % X 2 $2900 ii] Aemspace Composite Pmducts Will cut shipping 12 X 48 please specify Bob Ratzlalf 1641 South Elismere Ave Los Angles CA 90019 ASW 171/4 Scale 4 M Basic Kit $28500 Thermal Phase Hand Launch 60 E 387 $5000 information flying techniques Wakefield designs Doug Rousell complemented Canadian achievement placing third closing ceremony elaborate Young women carrying placards announcing teams nationalities Serbo-Croatian paraded past reviewing stand advance team After awarding Team Individual perpetual trophies treated performance Yugoslavian dances post-ceremony banquet held another provincial hotel lasted early morning July 9 exchanged traditional toasts winners cups traded shirts pins decals US team supporters sorry see end glad first leg trip back home Observations view several practices becoming necessity Free Flight World Championships 1 use audible beepers tracking devices helps prevent model loss expensive rebuilding replacement 2 Russian bunt concept should used flyoffs thermals unlikely especially true Towline Glider bunt launching provides decided advantage 3 Serious practice competition flying types weather conditions including wind rain important World Championships time flight characteristics will predictable less erratic E Mid-CoIu mbia/Blakeslee Continued page 103 doing best avoid collisions Most time wont notice flag has dropped depends caller tell him Roll caller commands Turn second two later rules turns must always made / Use CA Adhesives Hinges full 15 MIle thick 4 mIle thicker other leadln brands * Bettor CA Penetration Ade~ IytrLife C0 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. t time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDI5j Uni VUIfo3 EATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H December 1991 177 away hilla right turn left end end course left turn right A turn generally involves rolling bit INTRODUCING Tri-FIi THREE GREAT WAYS TO FLI ONE AMAZING AIRPLANE TriFIir -" engineered field tested outstand ng performance n THREE different configurations Flis 48 folly symmetrical sportBy adding second sport wing wing converts Tri-FIi very solidTn-F/i youve got yourself escep groo sport planethatgoeswfrereyouandtional hi-plane Its slightly point t Take-otis landings slowchallenging single sport wing predictable esperienced flierhot takes off end lands very slowly will find ito joyThis aerobatic combinabon sore favorite Tn-Ph a total system flying Designed engineered thorosghly field tested give sport flier airplane wont grow tired kit contains semi-built fuse three pre-sheeted foam wings Assorted hardware included Recommended engine 40- 50 Speciat Introductory Price $12900 u 700 P&H Credit Card COO Orders call 313-254-0530 Send check Money Order TRS IndustriesFor information send $100 & SASE 42700 Mound Rd Sterling Hts Ml 48314YOU MAY NEVER NEED TO BUY ANOTHER AIRPLANEt
Edition: Model Aviation - 1991/12
Page Numbers: 91, 92, 93, 94, 95, 96, 97, 98, 175, 176, 177
-A awards ceremony si ugosiavian dancers capped y ElAt years FAI Free Flight Championships US teams Randy Archer outfiew best best 27 countries walk away 1991 world-beater FiC Power EFred Terzian AS FOLKS back home enjoyed annual Independence Day festivities FAI Free Flight community gathered Zrenjanin Yugoslavia start its annual World Championships July 4 through 8 1991 teams 28 countries vied trophies FlA Nordic Towline FtC Power FlB Wakefield Rubber Spain Norway did attend year Randy Archer US walked away world title FIC Power Given weather field conditions along world-class competition Archers triumph required total commitment US team its contingent supporters superb win Getting us worried increasing ethnic strife Yugoslavia would force cancellation years contest organizers Yugoslavian consular services assured us region wed flying safely removed violence Most team supporters took direct Lufthansa 747 flight Los Angeles Frankfurt Germany June 26 Roger Marie Maves Ken Denise Phair flew out Colorado connecting different flight Frankfurt George Xenakis flew Lufthansa San Francisco arrived several hours ahead everyone else Frankfurt connected smaller Boeing 727 Budapest Hungary picked up rental cars drove center town night Hotel Volga caravamied out Budapest about 900 next morning So far weather cold windy overcastjust opposite typical summer Baltics drive Zrenjanin stalled Hungarian/Yugoslavian December 1991 91 ii II uo team ja nigni _ates team Back ri. nI saissant team manager Hector Diez - Oliver Ken rnalr Handy Archer Team Manager Walt Ghio Front row left right George vurulunI international FAI team selection rIgorously competitive s Austr I admires ins I-Al worig Lnwilpui5hlP5 perpetual trophies far ctacular cut crystal Daumene Cup awarded highest placing Fl team border choked vacationers heading Baltics avoid trouble spots farther westward Rather waste gas turn car engines off put vehicles neutral pushed ride took about nine hours three hours longer planned border crossing point overwhelmed incoming traffic saw few cars leaving Yugoslavia further reassured us political situation would remain calm Upon arrival Hotel Vojvodina Zrenjanin US Team Manager Walt Ghio lost no time arranging room assignments before evening meal Teams PAN Cup World Cup contest scheduled week before championships also hand Registration processing event took place next day teams limited budget stayed less expensive hotels hostels Some fliers opted official riverside campground near flying site Since tap water appeared unsuitable drinking used bottled beverages Problems Everyone worried about weather on-and-off rain persisted could well affect flying strategies Individuals teams planned perpetual trophies worKs art left row front back Franjo Kluz trophy Kosmonautica Vase both Fl C Team Victor Tatln Cup Fl C dividual right row front back Renaud Cup Fl B Team Wake field Cup FiB Individual enter PAN Cup wanted test fly balked because wind rain first disappointment came breakfast next morning Three Ken Phairs FiC ships damaged transitcause unknown Ken hardly slept night neednt have worried US Glider Power fliers immediately mobilized repair damage memory serves three fuselages set wings severely moderately bent cracked guys worked wonders sawed spliced taped restraightened fuselages Jim Parker feverishly built 92 Model Aviation Whats World Championships lunch little unwinding tent Denise Phalr poses US teams slightly used motorcycle Above Japanese team dressed little differently day-gb green jackets fancy logos Right plethora items fered sale bargain-hunters element U Lull M55I5l5 team manager nectar ulez prepares Jim Parkers FlA Glider five-minute flyoff Parkers canny strategy round left him tied USSRs Makarov second third places Right British Team Manager Martin Dilly holding Glider appears con versing renowned Fl C Power flier Evgeny Verbitsky Unseasonably cold rainy weather plagued much contest alignment jig atop Phairs model box Ken Oliver searched high low microballoons baking soda items everyone seemed have forgotten bring George Xenakis some no asked him Oliver checked contest organizers translate baking soda kitchen staff No luck scoured local groceries Still no luck Suddenly remembered wife Lynn packed surplus Sweet n LowTM packets coffee seemed close granular consistency baking soda maybe would work CyA strengthener Voila According Oliver sugar substitute harder sandI suggested lick off excess otherwise worked well baking soda Randy Archer supply carbon/Kevlar sleeves different diameters used strengthen align interior Kens tail booms wing panel separated near trailing edge juncture top bottom aluminum panels first thought cabin pressure may have severed skin foam interior Ken blamed other factors repairs held up during next few days test flying before PAN Cup Ken would have confidence needed championships Field conditions flew broad flat plain just outside town Aradac Everything green relatively soft December 1991 93 - II Left The winners FlA Nordic Towline Glider Mlkhail Kochkarov USSR center first place Sergei Makarov USSR left second place Jim Parker US right third place Right Bob lsaacson holds Randy Wellers Glider prior launch Fl Nordic Towline Two fliers Finlandss F Left US FiB filers Team Manager Walt Ghio second right during round six Ghlos left George Xenakis Roger Maves right Norm Furutani Right French Fl B filer Gemid Nocque packs turns Note interesting spiral lines Nocques tail boom recent rains appearances excellent site little test flying revealed unexpectedly treacherous conditions Scattered over field low spots tall grasses As fliers helpers attempting keep eye downwind airplane soon discovered hidden beneath innocent-looking grasses lurked outcroppings dirt maybe 12 14 inches high bumpy LEGO block Often muddy full water areas swarmed insects whenever sun came out wind died down like flying bog Insect repellent became order day chase teams quickly repositioned further downwind Retrieval Only two teams brought chase bikes motorcycles too oger Huppert Switzerland launches FiB ship Wakefield pilots usually flew shortly after winding motors remov ing model winding stooge somewhat hindered mud rough terrain Ken Oliver took task appropriating bike way organizers second day PAN Cup US team spent $200 borrowed motorcycle made downwind recovery much easier especially during FiC Power rounds flights traveled long distance Trying shift gears clutch handle carrying plane could tricky though especially muddier rougher ground Opening ceremonies scheduled evening Fourth July 94 Model Aviation LI FiB winners L R Tony Matthews Canada second place Aieicsafldar AndfluKOV USSH nrst place uoug ouseum anaaa third pluGs Right Roger Mavess beautifully trimmed FiB Wakefield Rubber ship perfect July Fourth opening ceremonies xi 1 V Frances Pierre Chassebourg winds d hand Bob White designed Chasse bourgs Fl B Wakefield model tipuiu un InC urptane center parade grounds Partizan Recreation Center Zrenjanin July 4th national holiday Yugoslavia too Because rain squalls ceremonies rescheduled precede first official round weather still hadnt cleared canceled altogether Assistant team manager Martyn Cowley injured automobile accident France unable attend US Team Manager Walt Ghio assigned Hector Diez stand Martyn Walt Hector worked out strategies both model retrieval downwind communication walkie-talkies FiB FiC fliers acted spotters retrievers FlA rounds allowing Glider team members assist another launch thermal hunting chase crew would try hand off Glider flier midpoint downwind prepare next flier system worked pretty well throughout contest oaly way improve would through higher quality radio communications equipment During test flying weather field conditions began causing trouble Models lost through poor adjustments transition during official practices Nordic fliers often kited airplanes wind picked up teams chased Power models long way downwind As some first lose airplanes Aussies Brits brought back reports obstacles confronted Running some canals about mile downwind south found couple crossing points discovered field chest-high cornstalks other side cornfield continued treeline bordering north/south levee Beyond anybodys guess Most top competitors FiC Power flew aluminum-skinned planes have become traditional category Quite few older lower aspect ratio models seen Italys Mario Rocca still individualist uses geodetic-trussed tissue-covered wings tails short tail skids caused hard landings both tip dihedral joints required repairs December 1991 95 Left triumphant Randy Archer center hoists FiC Power World Championship trophy Flanking US title holder second-place fin isher Evgeny Verbitaky USSR left third-place winner Xlan Wang China right Right future Fl C Champion prepares launch early morning round Randys high altitude made difference decisive flyoff round Left Third-place finisher Xian Wang China clean-lined FiC ship Right Mario Rocca Italy repairs dihedral breaks FiC ship its distinctive geodetic-trussed tissue-covered wing tail Roccas model very few built-up Power designs FlA Nordic Towline Seventy-five competitors flew outstanding fliers parts globe including two Chinas Wei Wang studies teams ther- Ken Oliver launches Fl C V-Max design mal recorder before launch Fl C spectators liked both flier plane Left Polands Jan Ochman prepares FiC Power airplane Right Evgeny Verbitsky launches ABS-Rotor-sponsored ship atter Randy Archer takes lead final FiC flyoff round Despite slower efficient glide Verbitsky never caught up Randys altitude US eliminated flyoffs Wind rain slippery field conditions made first rounds tricky US team member Bob Isaacson still nursing knee injured US Free Flight Champs May reinjured slipping mud first round Bob immediately experienced problems towing rain Glider snaked back forth slowing forward progress attempted keep diving ground finally succeeded launching off line model began stallthe wet conditions shifted center-of-gravity Though Bob perfect score throughout remaining six rounds missed max ultimately flyoffs partly because rainwater clinging tissue-covered stabilizer Teammate Randy Weiler did well until missed max 12 seconds third round fliers dropped round other Rain squalls moved out some heavy enough suspend start round everyone ran shelter processing tents cars sought refuge large canvas-covered tent lunch served immediately attacked mosquitoes waiting out storm Thirteen fliers including Jim Parker US maxed out made flyoff rounds Germany North Korea Soviet Union two fliers no full teams represented Four flierstwo Russians German Jim Parkersurvived four-minute round Jim predicted strategy five-minute round almost once Sure enough Russians began towing trailing German other took off after him become almost dead calm scattered clouds no rain Fliers searched vain patch lift Russian chased German around through processing area parked vehicles Jim made second Russian struggle near bogs marshes released Gliders drift toward southwest line parked cars timers would have chase models drifted beyond clear view word came Russians Mikhail Kochkarov achieved five-minute goal German Uwe Rusch come down after three minutes still didnt know Jims Joshua design Sergei Makarovs bunter fared Jims Glider stayed clear view descended supporters desperately waved T-shirts vain attempt break away nonexistent thermal Meanwhile Makarovs Glider flew over cluster cars buses descending what seemed difficult direction timers unclear whether Makarovs two timers actually saw plane hit ground apparenfly kept view passed behind vehicle after another Comparing stopwatches timers called tie four minutes 20 secondsan absolutely amazing coincidence As Parker girded tie-breaker round would decide second third places US contingent saw what up against Since little chance finding isolated patch lift better gliding model would have advantage second factor however Makarovs use bunt launch Russians have perfected bunting Gliders Nordic Towline event fact both Kochkarov Makarov have collaborated very sophisticated multifunction timer tow hook bunt wing-wiggler setupand obviously have mastered its use flare fired Parker took Makarov minimarathon over rises hummocks around bogs depressions approached herders sheep pen about 200 yards northeast gradually worked way back Jim zoomed Glider perfect release off line general cheers 96 Model Aviation Xian Wang China launches hiL shIp final flyoff round Wang finished hind Archer Verbitsky third place Oliver poinis ow nanay rcnur u uur plane during final flyoff round gave Randy world title Fl C anay Arcner ana u earn manager Walt Ghio make final adjustments Randys Power ship tension builds deci sive nine-minute flyoff round FiC STINSON SR-a 1/5 SCALE 100 DeHAVILLAND DEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4SCAIF nfl whistles applause Within seconds Sergei Makarov shot plane 15 20 feet above Jims perfect bunt transition Unless hit hole Makarov clearly second place edged Jim out 65 seconds everyone enjoyed spectacular finish FtC Power Fog broke out early morning FlC Power day dissipated well before first round Fliers fired up engines testing overall performance well fuel compatibility balky engines critical trim settings Dampness previous days rains sent downwind spotters chasers looking new routes car motorcycle foot travel strategy changed flights shorter expected motorcycle would midway between flight line crews farthest downwind driver also would closer folks carrying walkie-talkies making easier confirm position flying model Ken Olivers Power ship probably unusual configuration its V-dihedral wing tiplets definitely drew largest crowds People took measurements photographs chance got Kens test flight altitudes compared very best observers thought design definitely competitive As luck would have though Oliver missed required four-minute first round 60 seconds didnt see launch told later simply picked bad air Though Ken easily maxed remaining six flights mentioned glide turns too open Possibly because tiplets ship veered like weathervane winds picked up Ken plans additional refinements very competitive design took exhaustive testing before during after PAN Cup Ken Phair airplanes repaired flying properly contest time moved smoothly through first three rounds Continued page 98 FOAMAIRE 10 SPAN su-js Lii, eo-75 UC POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 L 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOOD CHOOSE 3 OR 4 CH SLOW AND STABLE KIT $26995 SPDKIT$1995 $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOG RT 1 NEODESHA KS 66757 OF SAC KITS AND ACC 316325-2821 FREE SHIPPING ON KIT ORDERS SA/MASTERCARD December 1991 97 MAULE M51M6 ROCKET 1/4 SCALE 98 drawn ranks ariuaIv ext ur fine FAIRCHILD 24 GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 WACO 10 1/5 SCALE 73 yourself favor IKON NWST Kit n world wide finest scale kits knocked 41 seconds off potential max disastrous fourth Ken wasnt alone Most competitors dropped max fourth round four lost chance flyoffs Eighteen contenders made flyoffs China Poland full teams four countries two-flier contingents pilots bunters used beepers transmitting devices downwind recovery devices becoming essential uneven terrain tall crops make line-ofsight tracking impossible Despite desperate searches ultralight foot some airplanes never found Using Jim Walston-designed tracking device Randy Archer discovered early could within 10 feet plane corn rows see After decreasing trackers sensitivity knew hidden ship close took several stepsand almost tripped over Randy looked consistently good confidence teams recovery flights downwind left him free concentrate flying picking air preparing backup ships necessary flyoffs intense Only four competitors dropped four-minute flight darkness fell before rounds completed Contest officials hoped wind things up before first Wakefield round next morning conditions forced second postponement until after FiB competition seven-minute round began seven competitors no full teams Being some distance radio communications sat motorcycle slightly north official field headquarters waiting round begin Xenakis Furutani about 400 yards south Parker Weiler others about same distance beyond saw Power ships approach thought saw Archers heading slightly left Gunning engine cycle stayed beneath plane until ran out Continued page 175 -IwT7 60 Engine Size Epoxy Fiberglass Fuselage Kit Super Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt -lirobo GMP & Schluter Gear Flesable Tail Drive Unit Wood Kit includes Bodys Clear Canopy Landing F ware Manual Blueprint someI models also include Fitotstation Machine Gun Rocket Radar Dome & Shocks AH-1 STOW COBRA 36995 AH-64 APACHE 38995 UH-1 B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 HOBBY DEALERS & HOBBIES CALL WRITE CATALOG ____________________Ph 408-942-9525 521 Sinclair Frontage Rd Milpitas CA 95035 FAX 408-942-9524 98 Model Aviation UPGRAJED & UPDATED MODIFIED AIRFRAME NEW SINGLE SHEET ROLLED PLANS NEW STEP-BY-STEP INSTRUCTIONS DETAILED ISOMETRIC DRAWINGS QUICKER MORE COMPLETE BUILDING THE SAME VFRV TARI F FLYING PLAI I-UI-IM EXCELLENTIARACTERISTICS Wing Span. Wing Area730 sq Wing Chord145 Fuselage Length57 Fuselage Width max65 ON THE DRAWIt Stabilizer Span23Cowl Diameter65 Stabilizer Area120 sqCowl Depth35 Stabilizer Chord55 Two Cycle Engine60Fin Height10 Weight8-10 lbsFin Area59 sq WORLD CLASS RIO HELICOPTERS & ACCESSORIES IMPORT & EXPORT Well gang wraps up another couple months Remember National Help-a-Junior Avoid-FlyingNear-Power-Lines Month Happy landingsE FF World Champs/Terzian Continued page 98 traversable territory model dethermalized crop sunflowers saw someone working way toward first assumed Id tracking wrong airplane quick scan skies turned up no other familiar-looking planes rode down George Xenakis positioned himself radio see knew whereabouts Randys model George also thought Randys headed back intercept whoever carrying itone British assistants turned out handed plane over warned could disqualified Retrieval vehicles explained banned during flyoffs Concerned rode back join Xenakis asked knew such rule play safe abandoned motorcycle began walking airplane mile flight line hoping relieved US helper going other way reached Randys pole position before start next flyoff round Randy didnt need backup ship got observe round No expected flying go beyond seven-minute mark since four competitors still clean seemed prudent move flight line far upwind possible almost road leading town Aradac idea help fliers avoid downwind crops trees improving timers chances seeing descending planes low-light conditions nine-minute round four-way contest among Randy Archer Xian Wang China Evgeny Verbitsky Valery Strukov Soviet Union Randy faced serious competitionparticularly Verbitsky plane seemed have best glide Still Americans strong hopes medal flier decide himself close set clockwork timers maximize engine run time seven seconds gain little altitude Rather chancing overrun hands potentially inexperienced official timer Walt Randy left settings alone Everyone spectators included watched Randys airplane break 540 seconds apparently Randys official timers stopped watch prematurely time confirmed official interpretationand official watches Sandy Pimenoff fortunately present part FM Jury pulled both timers aside interpreted results Pimenoff ruled favor Randys nine-minute max nearly nine oclock evening sun almost grazed horizon flying continued past sunset models would difficult see fliers wired up teams supporters suspenseand flyoffs would go still substantial drift south toward distant treeline horizon turnabout Randy fired up engine almost immediately launched Verbitsky Wang grappled glow plug leads tried catch up Randy made near-vertical climb settled slow-turning glide picture-perfect transiton Screaming reach same altitude air Verbitskys ABS-Rotor-sponsored ship developed stall after bunt transition Wangs airplane also stalled Both models eventually settled proper glide lost altitude process Though clear three planes drifted downwind Verbitskys slowest efficient glide Randys altitude won day As design Randys Glider touched down just sunset long dayand exciting us Americans new F lC World Champion accepted congratulations rivals spectatorsincluding December 1991 175 YOU DESERVE TOP GUN hIKE GR6-120 2-CYCLE FOR CHRISTMAS 16 LBS OF THRUST 83 DIA 2 YEARS OF SATISFIED CUSTOMERS EQUIVALENT ENGINE POWER G38 040 5T3000 HIGH RELIABILITY AVAILABLE WITH McDANIEL GLO-DRIVER SHOWN LIMITED LIFETIME GUARANTEE PRICED AT ONLY $925 RECOMMENDED AND TESTED BY TIlE EXPERTS Clarence Lee RCM JUNE 91 Pretty Impressive performance MIKE GR6-120 develops exceptional power extremely low vIbration 8000 rpm 18/8 outstanding 4 stroke radial comparable power sells $400-$500 Siu Richmond MODEL BUILDER OCTOBER 90 engine class itself nothing compares time vibration free engine next Wankel RADIAL ENGINE TECHNOLOGIES INC 7 Greenwood Lane Valhalla NY 10595 914-686-9373 mosquitoesheaded dinner FiB Wakefield Rubber Wakefields quiet dignity took surprise After screaming Rossis Nelsons other 25cc engines day before pleasure hear occasional busted strand madly unwinding itself inside motor tube Up until now entertained amplified music predominantly American although competitors really paid attention nearing first position pole spectating rather flying contrast Wakefield fliers seemed business set up stooges assembled airplanes usually ready fly after winding motors removing planes winding stooges particular interest Americans electric thermal blankets European fliers using warm up rubber motors blanket connected electric cord power source sitting ground attached outside motor tube Velcro intense sun occasionally cooled scattered clouds shirtsleeve weather day Thermals generally spotty often small cylinders other hand some rounds saw eight 10 Wakefields circling together high altitude single massive thermal first round 210 seconds seemed easy enough target Yet 17 65 entrants including own George Xenakis failed make As George set pattern Roger Maves missed max second round Norm Furutani dropped third Both George Norm went difficult sixth rounds before finally maxing seventh luckier fliers sixth round caught massive cumulus cloud churned directly overhead about 30 minutes flew earlier also managed max Some took chances after thermal passed barely made max others dropped flight George dropped 11 seconds Seventeen fliers made flyoff rounds Poland USSR full teams Canadas Tony Matthews Doug Rousell North Americans Twelve survived six-minute round over field narrowed USSRs Aleksandar Andriukov dark horse Tony Matthews Andriukov well known both European American contest scenes Matthews relative unknown has recently attracted attention West Coast contests Except using thermal blanket Andriukovs style hasnt changed winds prop blades cocked feathered large platelike guard rotating behind Once Andriukov feels its time takes couple slow deep breaths mentally prepares himself hard strong vertical launch propeller kicks vertical momentum appears nearly exhausted contrast between Andriukovs auto-everything Matthewss KISS Keep Simple Stupid approach led us expect classic David-and-Goliath rematch Matthews surprised us touching down 19 seconds short Andriukovs 420-second max us probably would have happy see both win As soon over Matthews surrounded admirers eager 176 Model Aviation MODEL AIRCRAFT PRODUCTS AMAP cutter bow $17900 13 965-9504AMAP power supply$4900 Anodized available Add$1000 $6000 Length 49 h2l/2 ht 21 /2 WIng Cutter Three-piece T tail / tail also sell cut cores available airfoils MH42 MH43 MH62 MH64 7013 RGI5 RGI4A Foam cores $5000 7 53QFull Money-Back 3es35n antee& LAIR SLOPE 11/SPORT ELECTRIC Complete $6000 Length43Wdh3 ht340&6O5tzeMotorRewmmended Shp-on Nose Cone Fuselage made EZ Lam Epoxy Blue Foam 2 lb Density 24 X % X 2 $2900 ii] Aemspace Composite Pmducts Will cut shipping 12 X 48 please specify Bob Ratzlalf 1641 South Elismere Ave Los Angles CA 90019 ASW 171/4 Scale 4 M Basic Kit $28500 Thermal Phase Hand Launch 60 E 387 $5000 information flying techniques Wakefield designs Doug Rousell complemented Canadian achievement placing third closing ceremony elaborate Young women carrying placards announcing teams nationalities Serbo-Croatian paraded past reviewing stand advance team After awarding Team Individual perpetual trophies treated performance Yugoslavian dances post-ceremony banquet held another provincial hotel lasted early morning July 9 exchanged traditional toasts winners cups traded shirts pins decals US team supporters sorry see end glad first leg trip back home Observations view several practices becoming necessity Free Flight World Championships 1 use audible beepers tracking devices helps prevent model loss expensive rebuilding replacement 2 Russian bunt concept should used flyoffs thermals unlikely especially true Towline Glider bunt launching provides decided advantage 3 Serious practice competition flying types weather conditions including wind rain important World Championships time flight characteristics will predictable less erratic E Mid-CoIu mbia/Blakeslee Continued page 103 doing best avoid collisions Most time wont notice flag has dropped depends caller tell him Roll caller commands Turn second two later rules turns must always made / Use CA Adhesives Hinges full 15 MIle thick 4 mIle thicker other leadln brands * Bettor CA Penetration Ade~ IytrLife C0 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. t time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDI5j Uni VUIfo3 EATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H December 1991 177 away hilla right turn left end end course left turn right A turn generally involves rolling bit INTRODUCING Tri-FIi THREE GREAT WAYS TO FLI ONE AMAZING AIRPLANE TriFIir -" engineered field tested outstand ng performance n THREE different configurations Flis 48 folly symmetrical sportBy adding second sport wing wing converts Tri-FIi very solidTn-F/i youve got yourself escep groo sport planethatgoeswfrereyouandtional hi-plane Its slightly point t Take-otis landings slowchallenging single sport wing predictable esperienced flierhot takes off end lands very slowly will find ito joyThis aerobatic combinabon sore favorite Tn-Ph a total system flying Designed engineered thorosghly field tested give sport flier airplane wont grow tired kit contains semi-built fuse three pre-sheeted foam wings Assorted hardware included Recommended engine 40- 50 Speciat Introductory Price $12900 u 700 P&H Credit Card COO Orders call 313-254-0530 Send check Money Order TRS IndustriesFor information send $100 & SASE 42700 Mound Rd Sterling Hts Ml 48314YOU MAY NEVER NEED TO BUY ANOTHER AIRPLANEt
Edition: Model Aviation - 1991/12
Page Numbers: 91, 92, 93, 94, 95, 96, 97, 98, 175, 176, 177
-A awards ceremony si ugosiavian dancers capped y ElAt years FAI Free Flight Championships US teams Randy Archer outfiew best best 27 countries walk away 1991 world-beater FiC Power EFred Terzian AS FOLKS back home enjoyed annual Independence Day festivities FAI Free Flight community gathered Zrenjanin Yugoslavia start its annual World Championships July 4 through 8 1991 teams 28 countries vied trophies FlA Nordic Towline FtC Power FlB Wakefield Rubber Spain Norway did attend year Randy Archer US walked away world title FIC Power Given weather field conditions along world-class competition Archers triumph required total commitment US team its contingent supporters superb win Getting us worried increasing ethnic strife Yugoslavia would force cancellation years contest organizers Yugoslavian consular services assured us region wed flying safely removed violence Most team supporters took direct Lufthansa 747 flight Los Angeles Frankfurt Germany June 26 Roger Marie Maves Ken Denise Phair flew out Colorado connecting different flight Frankfurt George Xenakis flew Lufthansa San Francisco arrived several hours ahead everyone else Frankfurt connected smaller Boeing 727 Budapest Hungary picked up rental cars drove center town night Hotel Volga caravamied out Budapest about 900 next morning So far weather cold windy overcastjust opposite typical summer Baltics drive Zrenjanin stalled Hungarian/Yugoslavian December 1991 91 ii II uo team ja nigni _ates team Back ri. nI saissant team manager Hector Diez - Oliver Ken rnalr Handy Archer Team Manager Walt Ghio Front row left right George vurulunI international FAI team selection rIgorously competitive s Austr I admires ins I-Al worig Lnwilpui5hlP5 perpetual trophies far ctacular cut crystal Daumene Cup awarded highest placing Fl team border choked vacationers heading Baltics avoid trouble spots farther westward Rather waste gas turn car engines off put vehicles neutral pushed ride took about nine hours three hours longer planned border crossing point overwhelmed incoming traffic saw few cars leaving Yugoslavia further reassured us political situation would remain calm Upon arrival Hotel Vojvodina Zrenjanin US Team Manager Walt Ghio lost no time arranging room assignments before evening meal Teams PAN Cup World Cup contest scheduled week before championships also hand Registration processing event took place next day teams limited budget stayed less expensive hotels hostels Some fliers opted official riverside campground near flying site Since tap water appeared unsuitable drinking used bottled beverages Problems Everyone worried about weather on-and-off rain persisted could well affect flying strategies Individuals teams planned perpetual trophies worKs art left row front back Franjo Kluz trophy Kosmonautica Vase both Fl C Team Victor Tatln Cup Fl C dividual right row front back Renaud Cup Fl B Team Wake field Cup FiB Individual enter PAN Cup wanted test fly balked because wind rain first disappointment came breakfast next morning Three Ken Phairs FiC ships damaged transitcause unknown Ken hardly slept night neednt have worried US Glider Power fliers immediately mobilized repair damage memory serves three fuselages set wings severely moderately bent cracked guys worked wonders sawed spliced taped restraightened fuselages Jim Parker feverishly built 92 Model Aviation Whats World Championships lunch little unwinding tent Denise Phalr poses US teams slightly used motorcycle Above Japanese team dressed little differently day-gb green jackets fancy logos Right plethora items fered sale bargain-hunters element U Lull M55I5l5 team manager nectar ulez prepares Jim Parkers FlA Glider five-minute flyoff Parkers canny strategy round left him tied USSRs Makarov second third places Right British Team Manager Martin Dilly holding Glider appears con versing renowned Fl C Power flier Evgeny Verbitsky Unseasonably cold rainy weather plagued much contest alignment jig atop Phairs model box Ken Oliver searched high low microballoons baking soda items everyone seemed have forgotten bring George Xenakis some no asked him Oliver checked contest organizers translate baking soda kitchen staff No luck scoured local groceries Still no luck Suddenly remembered wife Lynn packed surplus Sweet n LowTM packets coffee seemed close granular consistency baking soda maybe would work CyA strengthener Voila According Oliver sugar substitute harder sandI suggested lick off excess otherwise worked well baking soda Randy Archer supply carbon/Kevlar sleeves different diameters used strengthen align interior Kens tail booms wing panel separated near trailing edge juncture top bottom aluminum panels first thought cabin pressure may have severed skin foam interior Ken blamed other factors repairs held up during next few days test flying before PAN Cup Ken would have confidence needed championships Field conditions flew broad flat plain just outside town Aradac Everything green relatively soft December 1991 93 - II Left The winners FlA Nordic Towline Glider Mlkhail Kochkarov USSR center first place Sergei Makarov USSR left second place Jim Parker US right third place Right Bob lsaacson holds Randy Wellers Glider prior launch Fl Nordic Towline Two fliers Finlandss F Left US FiB filers Team Manager Walt Ghio second right during round six Ghlos left George Xenakis Roger Maves right Norm Furutani Right French Fl B filer Gemid Nocque packs turns Note interesting spiral lines Nocques tail boom recent rains appearances excellent site little test flying revealed unexpectedly treacherous conditions Scattered over field low spots tall grasses As fliers helpers attempting keep eye downwind airplane soon discovered hidden beneath innocent-looking grasses lurked outcroppings dirt maybe 12 14 inches high bumpy LEGO block Often muddy full water areas swarmed insects whenever sun came out wind died down like flying bog Insect repellent became order day chase teams quickly repositioned further downwind Retrieval Only two teams brought chase bikes motorcycles too oger Huppert Switzerland launches FiB ship Wakefield pilots usually flew shortly after winding motors remov ing model winding stooge somewhat hindered mud rough terrain Ken Oliver took task appropriating bike way organizers second day PAN Cup US team spent $200 borrowed motorcycle made downwind recovery much easier especially during FiC Power rounds flights traveled long distance Trying shift gears clutch handle carrying plane could tricky though especially muddier rougher ground Opening ceremonies scheduled evening Fourth July 94 Model Aviation LI FiB winners L R Tony Matthews Canada second place Aieicsafldar AndfluKOV USSH nrst place uoug ouseum anaaa third pluGs Right Roger Mavess beautifully trimmed FiB Wakefield Rubber ship perfect July Fourth opening ceremonies xi 1 V Frances Pierre Chassebourg winds d hand Bob White designed Chasse bourgs Fl B Wakefield model tipuiu un InC urptane center parade grounds Partizan Recreation Center Zrenjanin July 4th national holiday Yugoslavia too Because rain squalls ceremonies rescheduled precede first official round weather still hadnt cleared canceled altogether Assistant team manager Martyn Cowley injured automobile accident France unable attend US Team Manager Walt Ghio assigned Hector Diez stand Martyn Walt Hector worked out strategies both model retrieval downwind communication walkie-talkies FiB FiC fliers acted spotters retrievers FlA rounds allowing Glider team members assist another launch thermal hunting chase crew would try hand off Glider flier midpoint downwind prepare next flier system worked pretty well throughout contest oaly way improve would through higher quality radio communications equipment During test flying weather field conditions began causing trouble Models lost through poor adjustments transition during official practices Nordic fliers often kited airplanes wind picked up teams chased Power models long way downwind As some first lose airplanes Aussies Brits brought back reports obstacles confronted Running some canals about mile downwind south found couple crossing points discovered field chest-high cornstalks other side cornfield continued treeline bordering north/south levee Beyond anybodys guess Most top competitors FiC Power flew aluminum-skinned planes have become traditional category Quite few older lower aspect ratio models seen Italys Mario Rocca still individualist uses geodetic-trussed tissue-covered wings tails short tail skids caused hard landings both tip dihedral joints required repairs December 1991 95 Left triumphant Randy Archer center hoists FiC Power World Championship trophy Flanking US title holder second-place fin isher Evgeny Verbitaky USSR left third-place winner Xlan Wang China right Right future Fl C Champion prepares launch early morning round Randys high altitude made difference decisive flyoff round Left Third-place finisher Xian Wang China clean-lined FiC ship Right Mario Rocca Italy repairs dihedral breaks FiC ship its distinctive geodetic-trussed tissue-covered wing tail Roccas model very few built-up Power designs FlA Nordic Towline Seventy-five competitors flew outstanding fliers parts globe including two Chinas Wei Wang studies teams ther- Ken Oliver launches Fl C V-Max design mal recorder before launch Fl C spectators liked both flier plane Left Polands Jan Ochman prepares FiC Power airplane Right Evgeny Verbitsky launches ABS-Rotor-sponsored ship atter Randy Archer takes lead final FiC flyoff round Despite slower efficient glide Verbitsky never caught up Randys altitude US eliminated flyoffs Wind rain slippery field conditions made first rounds tricky US team member Bob Isaacson still nursing knee injured US Free Flight Champs May reinjured slipping mud first round Bob immediately experienced problems towing rain Glider snaked back forth slowing forward progress attempted keep diving ground finally succeeded launching off line model began stallthe wet conditions shifted center-of-gravity Though Bob perfect score throughout remaining six rounds missed max ultimately flyoffs partly because rainwater clinging tissue-covered stabilizer Teammate Randy Weiler did well until missed max 12 seconds third round fliers dropped round other Rain squalls moved out some heavy enough suspend start round everyone ran shelter processing tents cars sought refuge large canvas-covered tent lunch served immediately attacked mosquitoes waiting out storm Thirteen fliers including Jim Parker US maxed out made flyoff rounds Germany North Korea Soviet Union two fliers no full teams represented Four flierstwo Russians German Jim Parkersurvived four-minute round Jim predicted strategy five-minute round almost once Sure enough Russians began towing trailing German other took off after him become almost dead calm scattered clouds no rain Fliers searched vain patch lift Russian chased German around through processing area parked vehicles Jim made second Russian struggle near bogs marshes released Gliders drift toward southwest line parked cars timers would have chase models drifted beyond clear view word came Russians Mikhail Kochkarov achieved five-minute goal German Uwe Rusch come down after three minutes still didnt know Jims Joshua design Sergei Makarovs bunter fared Jims Glider stayed clear view descended supporters desperately waved T-shirts vain attempt break away nonexistent thermal Meanwhile Makarovs Glider flew over cluster cars buses descending what seemed difficult direction timers unclear whether Makarovs two timers actually saw plane hit ground apparenfly kept view passed behind vehicle after another Comparing stopwatches timers called tie four minutes 20 secondsan absolutely amazing coincidence As Parker girded tie-breaker round would decide second third places US contingent saw what up against Since little chance finding isolated patch lift better gliding model would have advantage second factor however Makarovs use bunt launch Russians have perfected bunting Gliders Nordic Towline event fact both Kochkarov Makarov have collaborated very sophisticated multifunction timer tow hook bunt wing-wiggler setupand obviously have mastered its use flare fired Parker took Makarov minimarathon over rises hummocks around bogs depressions approached herders sheep pen about 200 yards northeast gradually worked way back Jim zoomed Glider perfect release off line general cheers 96 Model Aviation Xian Wang China launches hiL shIp final flyoff round Wang finished hind Archer Verbitsky third place Oliver poinis ow nanay rcnur u uur plane during final flyoff round gave Randy world title Fl C anay Arcner ana u earn manager Walt Ghio make final adjustments Randys Power ship tension builds deci sive nine-minute flyoff round FiC STINSON SR-a 1/5 SCALE 100 DeHAVILLAND DEAVER GIANT SCALE 96 SPERRY MESSENGER 1/4SCAIF nfl whistles applause Within seconds Sergei Makarov shot plane 15 20 feet above Jims perfect bunt transition Unless hit hole Makarov clearly second place edged Jim out 65 seconds everyone enjoyed spectacular finish FtC Power Fog broke out early morning FlC Power day dissipated well before first round Fliers fired up engines testing overall performance well fuel compatibility balky engines critical trim settings Dampness previous days rains sent downwind spotters chasers looking new routes car motorcycle foot travel strategy changed flights shorter expected motorcycle would midway between flight line crews farthest downwind driver also would closer folks carrying walkie-talkies making easier confirm position flying model Ken Olivers Power ship probably unusual configuration its V-dihedral wing tiplets definitely drew largest crowds People took measurements photographs chance got Kens test flight altitudes compared very best observers thought design definitely competitive As luck would have though Oliver missed required four-minute first round 60 seconds didnt see launch told later simply picked bad air Though Ken easily maxed remaining six flights mentioned glide turns too open Possibly because tiplets ship veered like weathervane winds picked up Ken plans additional refinements very competitive design took exhaustive testing before during after PAN Cup Ken Phair airplanes repaired flying properly contest time moved smoothly through first three rounds Continued page 98 FOAMAIRE 10 SPAN su-js Lii, eo-75 UC POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 L 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOOD CHOOSE 3 OR 4 CH SLOW AND STABLE KIT $26995 SPDKIT$1995 $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOG RT 1 NEODESHA KS 66757 OF SAC KITS AND ACC 316325-2821 FREE SHIPPING ON KIT ORDERS SA/MASTERCARD December 1991 97 MAULE M51M6 ROCKET 1/4 SCALE 98 drawn ranks ariuaIv ext ur fine FAIRCHILD 24 GIANT SCALE 90 STITS PLAYBOY 1/3 SCALE 88 WACO 10 1/5 SCALE 73 yourself favor IKON NWST Kit n world wide finest scale kits knocked 41 seconds off potential max disastrous fourth Ken wasnt alone Most competitors dropped max fourth round four lost chance flyoffs Eighteen contenders made flyoffs China Poland full teams four countries two-flier contingents pilots bunters used beepers transmitting devices downwind recovery devices becoming essential uneven terrain tall crops make line-ofsight tracking impossible Despite desperate searches ultralight foot some airplanes never found Using Jim Walston-designed tracking device Randy Archer discovered early could within 10 feet plane corn rows see After decreasing trackers sensitivity knew hidden ship close took several stepsand almost tripped over Randy looked consistently good confidence teams recovery flights downwind left him free concentrate flying picking air preparing backup ships necessary flyoffs intense Only four competitors dropped four-minute flight darkness fell before rounds completed Contest officials hoped wind things up before first Wakefield round next morning conditions forced second postponement until after FiB competition seven-minute round began seven competitors no full teams Being some distance radio communications sat motorcycle slightly north official field headquarters waiting round begin Xenakis Furutani about 400 yards south Parker Weiler others about same distance beyond saw Power ships approach thought saw Archers heading slightly left Gunning engine cycle stayed beneath plane until ran out Continued page 175 -IwT7 60 Engine Size Epoxy Fiberglass Fuselage Kit Super Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt -lirobo GMP & Schluter Gear Flesable Tail Drive Unit Wood Kit includes Bodys Clear Canopy Landing F ware Manual Blueprint someI models also include Fitotstation Machine Gun Rocket Radar Dome & Shocks AH-1 STOW COBRA 36995 AH-64 APACHE 38995 UH-1 B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 HOBBY DEALERS & HOBBIES CALL WRITE CATALOG ____________________Ph 408-942-9525 521 Sinclair Frontage Rd Milpitas CA 95035 FAX 408-942-9524 98 Model Aviation UPGRAJED & UPDATED MODIFIED AIRFRAME NEW SINGLE SHEET ROLLED PLANS NEW STEP-BY-STEP INSTRUCTIONS DETAILED ISOMETRIC DRAWINGS QUICKER MORE COMPLETE BUILDING THE SAME VFRV TARI F FLYING PLAI I-UI-IM EXCELLENTIARACTERISTICS Wing Span. Wing Area730 sq Wing Chord145 Fuselage Length57 Fuselage Width max65 ON THE DRAWIt Stabilizer Span23Cowl Diameter65 Stabilizer Area120 sqCowl Depth35 Stabilizer Chord55 Two Cycle Engine60Fin Height10 Weight8-10 lbsFin Area59 sq WORLD CLASS RIO HELICOPTERS & ACCESSORIES IMPORT & EXPORT Well gang wraps up another couple months Remember National Help-a-Junior Avoid-FlyingNear-Power-Lines Month Happy landingsE FF World Champs/Terzian Continued page 98 traversable territory model dethermalized crop sunflowers saw someone working way toward first assumed Id tracking wrong airplane quick scan skies turned up no other familiar-looking planes rode down George Xenakis positioned himself radio see knew whereabouts Randys model George also thought Randys headed back intercept whoever carrying itone British assistants turned out handed plane over warned could disqualified Retrieval vehicles explained banned during flyoffs Concerned rode back join Xenakis asked knew such rule play safe abandoned motorcycle began walking airplane mile flight line hoping relieved US helper going other way reached Randys pole position before start next flyoff round Randy didnt need backup ship got observe round No expected flying go beyond seven-minute mark since four competitors still clean seemed prudent move flight line far upwind possible almost road leading town Aradac idea help fliers avoid downwind crops trees improving timers chances seeing descending planes low-light conditions nine-minute round four-way contest among Randy Archer Xian Wang China Evgeny Verbitsky Valery Strukov Soviet Union Randy faced serious competitionparticularly Verbitsky plane seemed have best glide Still Americans strong hopes medal flier decide himself close set clockwork timers maximize engine run time seven seconds gain little altitude Rather chancing overrun hands potentially inexperienced official timer Walt Randy left settings alone Everyone spectators included watched Randys airplane break 540 seconds apparently Randys official timers stopped watch prematurely time confirmed official interpretationand official watches Sandy Pimenoff fortunately present part FM Jury pulled both timers aside interpreted results Pimenoff ruled favor Randys nine-minute max nearly nine oclock evening sun almost grazed horizon flying continued past sunset models would difficult see fliers wired up teams supporters suspenseand flyoffs would go still substantial drift south toward distant treeline horizon turnabout Randy fired up engine almost immediately launched Verbitsky Wang grappled glow plug leads tried catch up Randy made near-vertical climb settled slow-turning glide picture-perfect transiton Screaming reach same altitude air Verbitskys ABS-Rotor-sponsored ship developed stall after bunt transition Wangs airplane also stalled Both models eventually settled proper glide lost altitude process Though clear three planes drifted downwind Verbitskys slowest efficient glide Randys altitude won day As design Randys Glider touched down just sunset long dayand exciting us Americans new F lC World Champion accepted congratulations rivals spectatorsincluding December 1991 175 YOU DESERVE TOP GUN hIKE GR6-120 2-CYCLE FOR CHRISTMAS 16 LBS OF THRUST 83 DIA 2 YEARS OF SATISFIED CUSTOMERS EQUIVALENT ENGINE POWER G38 040 5T3000 HIGH RELIABILITY AVAILABLE WITH McDANIEL GLO-DRIVER SHOWN LIMITED LIFETIME GUARANTEE PRICED AT ONLY $925 RECOMMENDED AND TESTED BY TIlE EXPERTS Clarence Lee RCM JUNE 91 Pretty Impressive performance MIKE GR6-120 develops exceptional power extremely low vIbration 8000 rpm 18/8 outstanding 4 stroke radial comparable power sells $400-$500 Siu Richmond MODEL BUILDER OCTOBER 90 engine class itself nothing compares time vibration free engine next Wankel RADIAL ENGINE TECHNOLOGIES INC 7 Greenwood Lane Valhalla NY 10595 914-686-9373 mosquitoesheaded dinner FiB Wakefield Rubber Wakefields quiet dignity took surprise After screaming Rossis Nelsons other 25cc engines day before pleasure hear occasional busted strand madly unwinding itself inside motor tube Up until now entertained amplified music predominantly American although competitors really paid attention nearing first position pole spectating rather flying contrast Wakefield fliers seemed business set up stooges assembled airplanes usually ready fly after winding motors removing planes winding stooges particular interest Americans electric thermal blankets European fliers using warm up rubber motors blanket connected electric cord power source sitting ground attached outside motor tube Velcro intense sun occasionally cooled scattered clouds shirtsleeve weather day Thermals generally spotty often small cylinders other hand some rounds saw eight 10 Wakefields circling together high altitude single massive thermal first round 210 seconds seemed easy enough target Yet 17 65 entrants including own George Xenakis failed make As George set pattern Roger Maves missed max second round Norm Furutani dropped third Both George Norm went difficult sixth rounds before finally maxing seventh luckier fliers sixth round caught massive cumulus cloud churned directly overhead about 30 minutes flew earlier also managed max Some took chances after thermal passed barely made max others dropped flight George dropped 11 seconds Seventeen fliers made flyoff rounds Poland USSR full teams Canadas Tony Matthews Doug Rousell North Americans Twelve survived six-minute round over field narrowed USSRs Aleksandar Andriukov dark horse Tony Matthews Andriukov well known both European American contest scenes Matthews relative unknown has recently attracted attention West Coast contests Except using thermal blanket Andriukovs style hasnt changed winds prop blades cocked feathered large platelike guard rotating behind Once Andriukov feels its time takes couple slow deep breaths mentally prepares himself hard strong vertical launch propeller kicks vertical momentum appears nearly exhausted contrast between Andriukovs auto-everything Matthewss KISS Keep Simple Stupid approach led us expect classic David-and-Goliath rematch Matthews surprised us touching down 19 seconds short Andriukovs 420-second max us probably would have happy see both win As soon over Matthews surrounded admirers eager 176 Model Aviation MODEL AIRCRAFT PRODUCTS AMAP cutter bow $17900 13 965-9504AMAP power supply$4900 Anodized available Add$1000 $6000 Length 49 h2l/2 ht 21 /2 WIng Cutter Three-piece T tail / tail also sell cut cores available airfoils MH42 MH43 MH62 MH64 7013 RGI5 RGI4A Foam cores $5000 7 53QFull Money-Back 3es35n antee& LAIR SLOPE 11/SPORT ELECTRIC Complete $6000 Length43Wdh3 ht340&6O5tzeMotorRewmmended Shp-on Nose Cone Fuselage made EZ Lam Epoxy Blue Foam 2 lb Density 24 X % X 2 $2900 ii] Aemspace Composite Pmducts Will cut shipping 12 X 48 please specify Bob Ratzlalf 1641 South Elismere Ave Los Angles CA 90019 ASW 171/4 Scale 4 M Basic Kit $28500 Thermal Phase Hand Launch 60 E 387 $5000 information flying techniques Wakefield designs Doug Rousell complemented Canadian achievement placing third closing ceremony elaborate Young women carrying placards announcing teams nationalities Serbo-Croatian paraded past reviewing stand advance team After awarding Team Individual perpetual trophies treated performance Yugoslavian dances post-ceremony banquet held another provincial hotel lasted early morning July 9 exchanged traditional toasts winners cups traded shirts pins decals US team supporters sorry see end glad first leg trip back home Observations view several practices becoming necessity Free Flight World Championships 1 use audible beepers tracking devices helps prevent model loss expensive rebuilding replacement 2 Russian bunt concept should used flyoffs thermals unlikely especially true Towline Glider bunt launching provides decided advantage 3 Serious practice competition flying types weather conditions including wind rain important World Championships time flight characteristics will predictable less erratic E Mid-CoIu mbia/Blakeslee Continued page 103 doing best avoid collisions Most time wont notice flag has dropped depends caller tell him Roll caller commands Turn second two later rules turns must always made / Use CA Adhesives Hinges full 15 MIle thick 4 mIle thicker other leadln brands * Bettor CA Penetration Ade~ IytrLife C0 FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro. t time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 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