Control Line Speed Gene Hempel LETS LOOK closely Speed portion recent CL World Championships held Pecs Hungary David Brewin member British F2A Speed team gives account 1986 Control Line World Championships hosted Hungary held Pecs goodsized town European standards located rolling hills southern part country Pecs boasts Control Line flying site built express purpose located south end town near residential area has two circles surrounded poplar trees used Aerobatic F2B Team Race F2C competitions F2D Combat held undeveloped factory lot quarter mile east F2A Speed competition interest column newly-resurfaced apartment parking lot 150 yards west As would expected country has three top successful Speed fliers recent times organization execution Speed event excellent man has usually Hungarian Speed team manager relinquished duty favor being contest director timing height-judging officials sensibly located same radial point provided seating ramp couple few criticisms could leveled organiza tion absence three-minute circle clock slightly-underenthusiastic safety-pulling models competition started 800 am morning very few reflights round finished about 100pm allowing circle used practice flying afternoon As often happens flying competi tion particularly level have fly team team members allowed assist others starting duties writer unable observe flight fore rather give blow-by-blow account flight three rounds general over view competition technical observa tions given Australians traveled furthest intentions continue British Nationals after World Championships suffering drastic climatic change Apparently practicing local winter conditions 4080 C now competing consistent weather conditions 3Q0 C higher flying nicely-made asymmetric sidewinder models having suction fuel systems utilizing todays standards short spans wide-chord wings Rossi-powered Robin Hiern used two-bladed carbon-fiber prop record 25495 kph twenty-third place American team used models similarsize extremely short tail moment current FAI standards team-members model varying degrees unique compared other championship entrants used sidewinder type models inboard-pointing cylinders pressure-regulator-valve fuel systems John Newton seemed suffering eternal Speed fliers problem keep model flying fast did home collective head-scratching abilities usual flying buddies John midnight session work engine try improve thirdround performance unfortunately no avail nice thing about attending international event such chance meet talk people have able read about hear about admire afar Such case Chuck Schuette Folklore abounds about fickleness fuel systems highpressure bladder pressure-regulator like contest must sald Carl Dodge showed patience Job keeping Chucks engine run ning long strong enough get model airborne However once airborne Chucks flying style true lesson economy energy putting 277 kph flight good enough tenth place Carl Dodges engine setup ways individual contestants An impor F-2-A 9 K her Russian plane Note stub wing outboard side huge stabilizer Inboard wing spans 615cm root chord7Ocm ii2 68 Model Aviation Anatoly Kohaniuks super-long-wing backup model flown practicebutwas very fast until disaster struck in-flight shaft runs vibration shook pieces two protrusions wings leading edge anti-flutter counterweights Finlands Valo immaculately-prepared upright-engine centri fugal fuel switch CFS-equlpped model Note unlike other models has inboard-mounted stabilizer tant lesson can learned observing leading modelers execution key top performance addition foregoing Carls other unique features carbon-clothcovered balsa wing everyone elses being metal screw-together tuned pipe use glow plug rather head insert GlowBee type rear-induction engine Carls engine homemade bar stock real gem Carl quite audience stripped unit show fellow competitors current European champion Anatoly Kohaniuk very enthusiastic impressed later doing similar strip Carl showing him hand-machined cages needle/roller big-end bearing engine Carls engine running 40000-plus rpm regime understand flying setup required bit reeducation because point would think shouldenter pylon judging engine rpms other competitors would whip model engine would jump about another 3000 rpman incredible sound Chinese showed superb consistency become best placed 10 entrants flying upright-engine centrifugal-fuel-switchequipped CFS models obviously know equipment extremely well have devel oped flying technique suited CFS system After whipping model get up Continued page 164 185 MZ5 4OTsA iltIZ66omLZ2i25iAABAINT 148A 16516toKar I1C-59 12 408.~r14 3u, 154 990 N-~NeAlB 9999599 155L1— -TA A-a- ASA5 1BTynwcT25RI 05 8BTO48T t-59 9 920 5452-Ii ,wa OBC QS 50 ur ra2wi 04A115RGF-A77t~I B~Id17 --j}3JBB 701 145 11 Bryniw fiSt NrIzr4TJ OINII---ff]A eprsm MOJreau Moctepa copr ccc MemAyoapOAAOrO RaGed qewnaRa ccc, flOSeAHYOflR It94yxapo4bAx cOpemRo.HAB pOKOpAdMeRe p cccp ao0 cccp c mHAuOa r Moca. 14- Konbuo fiST 21 16 Jn l-tiI NTM4 2or..UJ fr13T2jW21 ryaeoc CT 25 7urr N 4 15XOMYI fiST 13 - BnS 6 17500 J1C59 18 -Blue It-59 82 2om SB F-2-A 12-Konbuc LUST 01 2Oor 20-Wryuep JE-59 8 9 8 trio Iron Curtain FAI Speed ships show typical design features sidewinder engine mounting cylinder pointing outboard highaspect-ratio asymmetrical wing huge horizontal stabilizer enclosed tuned pipe except KohaniuksL MA staffs Inabilityto read Russian prevented us identifying designers other two planes although appears right USSR youre studying detailed parts plane top aware drawn scaie January 1987 69 F2A F-2-A consumer willing pay costs associated high-quality hand craftsmanship such product might day available again Lets hope Unfortunately heat covering big event National Stunt Championships simply possible highlight interest ing valuable innovations come light such item Archie Adamisins awardwinning new Stunt ship Starship won both Jack Sheeks PAMPA award tech nological innovation Control Line Aero batics category award AMA-sponsored Top 10 Model Designs 1986 Nats Archies design notable primarily its innovative planform includes both con ventional stab/elevator mounted aft canard surfaceboth fixed forward stabilizer attached elevatormounted just aft engine Both forward aft elevators coupled wing flaps articulated would ex pect ie Up elevator coupled Down flap Down movable forward surface Other interesting design features included single-blade prop very-high-aspect-ratio wing very similar brothers former PAMPA Prexy Dennis Adamisin long-winged fourthplace finisher 1983 Nats also note worthy CG located forward leading edge root expected since aerodynamic center entire airplane moved forward addition canard surface want try such design before Archie has chance publish findings sure plan CG location accordingly balance conventional 25% point wing will likely too sensitive fly performance airplane admirable effortless corners surprising stability proof pudding Archie very nearly qualified Starship finals notwith standing its first flight day before qualifying Archie himself almost no recent contest exposure truly noteworthy ac complishment Congratulations input Ergo pass use see fit Two four suggested smaller per centage oil fuel results smoother runs Dave knowledgeable engine man suggested figure 12% oil /s castor V3 Klotz Three four praised use Perry oscillating pump answer inconsistent runs also see OS marketing new version 40 four-cycle nicknamed Surpass advertise significantly-increased power rating OS four-cycles have always seemed consistent somewhat lacking power new model may just ticket Hmmmmm Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Speed/Hempel Continued page 69 first pipe-level would snap arms out release line tension momentarily thereby causing CFS switch fuel supply engine allowing engine jump next pipe level accommodate correct tank location CFS fuel shutoff engine pans square section inboard side behind engine Hungarians flying familiar setup asymmetric outboard-cylinder sidewinder model narrow-chord two inches longspan four feet wings continue use propellers having wide chords thick sections carved maple Josef Mult has joined Josef Molnar using new Moki 512 front-induction rear-exhaust engine engine resembles debugged Ross MK3 Mult practice very hard afternoon sessions onetime setup seemed good 270 kph speed other modelers dream attalning rewarded excellent official speed 28753 kph third roundenough push Carl Dodge out third place Examination inside Mults model showed careful elegant attention anti-vibration tank mount ings Final item Since owned up frustration Enya four-cycle couple months back Russians doubt strong have received several letters readers est team present winning flight being suggestions curing inconsistency prob- outstanding 29363 kph Alexander Kalmikov lems thanks Dave Gierke Clalr Siever- full 12 kph faster Kohaniuks winning ling guys going graduate back speed last years European Championships CL Ronald Clem Brian Allen Un- AllRussianswereusingminimal-stylemodels fortunately sold three Enyas fit of about three-feet span pique day have no way verifying Both Piskalev Kalmikov used construe164 Model Aviation PUZZLED CALL MATT know 1 Complete orCall 9am -8pm lEST 2 Semi-Assembled609395-1672 ready cover sanded9 Eatts Mmdii Building P0 HeX 1 Stuktsu 011v Crauhuy NJ 36512 Rate cards available free SASE 4-1/Se 9-112 else held Curs Beets CL Aerobatics/Fncher Continued page 161 WHO SAID LAWN MOWERS WOULDNT FLY James Weems Manager Bama Flyers Air Show Team says team has flying lawn mower have flying since rp aircraft brand X engine has always marginal power heard Eagle powerful engine decision order couldnt happier about decision truly have created power house flies better ever has has plenty power really pleased beyond greatest expectations Power & Reliability Fox Eagle 60 tops #26500 Fox Eagle 60 95 Side Exhaust w/Muffler Accept VISAor MasterCard Qx Manufacturing Co 5305 Toweon Ave Fart Smith AR 72901 5011 646-1656 THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft Cars Boats Radios eSystems eEngines Hardware Books eFinishing Materials Accessories eVideos R/G Dealers Win $1 000 $500 $250 R/C Merchandise retailer choice Ta eligible simply fill out return reader survey form issue RCBG 10th edition Winners will chosen random drawing Reader Survey participants local hobby shop does sot stock copies Guide please send request payment 13 tO plus postage/handling 3 RadioContml Buyes Gukie Clifton HouseClifton VA 22024 * may use VISA Mastercard charge payment sending card number expIratIon date order tion technique rear fuselage tailplane built onto half-pan pan access being via two-part top cowl models exhibited very careful attention cooling header section tuned pipe used carbon-fiber propellers believed constant pitch Kohaniuks case pitch believed excess 6 inches much 6 inches An interesting feature Kalmikovs Piskalevs engines use threaded collar hold head insert Piskalevs case tightened real vengeance heads featured replaceable glow elements also using thick-walled aluminum tuned pipes large volume reaching maxi mum inside diameter 30mm Length now-standard 190mm maximum outside diameter measured glow plug post 290mm overall stinger having length 20mm inside diameter 45mm pipes must have helped getting models alrborne since engines running large induction period reglon of2300. opening 200 ABDC after bottom dead center Worthy mention Anatoly Kohaniuks backup model flew practice sessions featured wing extension piece produce span over five feet Josef Mult showed wry sense humor indicating what needed wing going way down control handle Anatoly said englne strong number plane flown long-wing really allows englne unload fly extremely fastpossibly approaching 300 kph However long wing fitted two sets antiflutter bobweights made model extremely pitch-sensitive resulting its kissing ground As happens shaft run single-bladed propeller counterweight present model shook itself pieces Another exponent long wing Peter Halman UK new model built World Champs featuring machined pan machined steel pipe four-foot wing used MKl Rossi crankcase fitted own piston sleeve large-outside-diameter crankshaft break UKs FAI record both second third rounds Unfortunately Dick McGalddery travel gremlins put stop excellent progress being made prior departure World Champs David Brewin attending WC first time put personal best 252 kph entrant using OPS 25 cc engine An interesting note Davids model origlnally built UK 35cc Speed class powered K&B changed Irvine 21 rear-exhaust until beginning year changed 25cc FAI Italian Speed team some strange reason did attend sorely missed would have all-OPS-powered year Poland collected third-place team honors Tomasz Chojnacki leading fifth place following third-round flight 28639 kph preceding rounds zeroes top-placed Rossi entrant used large-volume pipe wide-chord single-bladed maple propeller concluding note should thank hosts competition closing banquet congratulate contestants Precision Rotor Pitch Gauge Designed manufactured fine precision measuring tooL ROTOR PITCH GAUGE eliminates hit-or-miss adjustment pitch angles rotor blades set chopper position GMP ROTOR PITCH GAUGE allows precise measurement collective roll pitch adjustments RC helicopter Packaged beauti ful fitted leatherette hinged box w OORJ-VAM MODEL PRODucTS 23981 cRAFTsMAN RD cALABASAs CA 91302 TEL 818 992-0195 218 VERNON ROAD GREENVILLE PA 16125 TEL 412 588-1321 January1987 165 Bought Colored Fuel Line YOU DEFINITELY PAID TOO MUCH Pay Fancy Colors ON ENGINE DETERMINES REQUIRED TUBING DIAMETER EXTRA LARGE 125 iD 250 001 SH-616 2FTPKG $135 SII-661 2$ FT ROLL $1325 LARGE 093 10- 215 GD SH-2901 FT PEG$ 89 SH-646 2 FT PKG 111$ SN-291 2$ FT ROLL $1295 MEDIUM 062 ID- 156 ODl 54-2851 FT PKG$ 90 SH-545 2 FT PKG $110 SN 28925FT ROLL. $1195 FUEL FITTING SIZE * Heat-Proof will melt resting dIrectly hotteSt part running model engine Wont Harden Fuelil'~ 9111 Resistant Cuts TearsNOT FOR GASOLINE Sig first introduce silicone fuel line tubing model aviation market way back 1964 premium tubing still comes its original natural white color Some competitors would have believe ad ding blue red yellow dye tubing charging higher price makes product better dont believe Sigs original silicone fuel tubing has important characteristics need quality fuel line None Better Any Price OR COLOR See dealer first available order direct Call 800-247-5003 toll free orders Latest Catalog $300 SIG MANUFACTURING CO INCMontezuma IA 50171 Say8 th8t old TinierjtGI st 550115 Gte1W$OflFrom this. peEt VtUQ. 1-eES TaOtS Mole 4 Ignition Engine Parts Only Over 600 items Send $200 current catalog performances Championships showed aeromodeling sport can unite competitors countries no matter good individual may perform love talking about model airplanes should also remembered dont go wont learn learning essential part improv ing performance contestants finished following order best speed kilometers per hour listed 1 Kalmikov USSR29363 2 Piskalev USSR28800 3 Mult Hungary 287534 Dodge USA28639 5 Choj nacki Poland28639 6 Szegadi Hungary 285267 KohaniukUSSR28191 8 Molnar Hungary28059 9 Rachwal Po land27993 10 Schuette USA27734 11 Novakowski Poland27522 12 Ding PRC27231 13 Zhu PRC27231 14 HalmanUK27 149 15 LiPRC 27027 16 Assen Bulgaria26905 17 Kabakov Bulgaria26745 18 Kales Yugo slavia26548 19 Bianchi Brazil26 181 20 Matilainin Finland25714 21 Schmidt FRG25622 22 Hrustanovic Yugo slavia255 34 23 Hiern Australia25495 24 Rosenhan FRG25263 25 Magne France25 174 26 Brewin UK25 122 27 Bilat Switzerland24879 28 Borovac Yugoslavia2481O 29 Borer Switzerland 2474230 Bontcev Bulgaria24590 31 Metkemeyer Netherlands245 2332 New ton USA24406 33 McGalddery UK 2435734 Bertin Brazil24324 35 Fall gren Sweden24096 36 Christen Switzer land23952 37 Rietbergen Netherlands 23952 38 Kjelberg Sweden23809 39 Valo Finland23560 40 Wake Australia Great Planes Big Stiks offer quality ease r assembly superior flighf characteristics never before available stik style models Features include notched interlocking die machine-cut balsa plywood parts fast accurate construc tion hardware Additional hardware included either tricycle talidragger configuration Three versions available 53 span 20 size 59 span 40 size 60 size require 4-channel radio Available al KATPIAftIIi Leading Dealers ~JELE Nalionwide P0 5ov721 U va IL 61801- 23047 41 Fagerstrom Finland22929 42 Hanting Australia22332 43 Pinho Brazil0 Thanks once again David Brewin member UK Speed team report Gene Hempel 301 N Yale Dr Garland TX 75042 CL Racing/Ballard Continued page 70 fiberglass/epoxy prop means epoxy curing agent mixture improper prop should sent back manufacturer refund/replacement addition inspec tion fiberglass strands blade shows minimum amount strands hub area prop will certalnly prone shrinking under heat pressure high-winding Rat engine end flying day always take props Ive used inspect front strong light see internal cracks alr bubbles may produce crack subsequent failure also look hairline cracks around bubbles locked epoxy could lead blade failure As always solicit comments ideas photos John C Ballard 10102 Kimblewick Dr Louisville KY 40223 responding advertisers mention read about ModelAviation Wi Idf ref Sackett Continued page 75 carefully taCk-glue position using few drops cyanoacrylate CyA Draw outline fuselage rough-cut toshapeNexttakeapieceoflx lx 10-in medium balsa tack-glue position tailpiece outer shape fuselage can sanded final shape leaving area re movable cowl unfinished Break assembly apart clean pan mount enginetaping up openings keep dust dirt out until shaping work completed Locate four tie-down holes drill out little oversize accommodate brass tubing glue tubes place slowdrying epoxy such Hobbypoxy 2 ensure accuracy wax tie-down bolts insert position gluing tubes Use elastic bands hold pan crutch position Let whole thing dry least 24 hours Take assembly apart use coping saw cut out center crutch outline shown drawing Decide whether wish enclose engine lugs completely fuselage cut around suggest enclose engine completely tends weaken crutch severely otherwise slight amount material will have removed lugs Rossi 15 accomplish Cut lugs back ~ia inside pan leaving enough material crutch adequate strength cowl formed blank straight-grained basswcod prefer wood cowl over fiberglass lay-up better vibration-damping strength Start cutting out engine hole diameter Ys6 larger head Use circle cutter rough-clearance inside allow cowl accept engine Rough-shape outside approximately er around shown drawing tack-glue crutch blend rest fuselage Break apart install pipe clearance inside ap proximate thickness Y32 in pipe area front should solid 166 Model Aviation FIBERGLASS COWLS 70 cowls eelpants Sig Pica Top-Flue Jesce Nosen PIlot Stafford Radials Bebrens Garmhausen W E Tech other kits plans One-piece laminated construction handlaid fiberglass strong lightweight Send SASE price list please inclpde names models interested parts br call between 9AM o PM EOT informatIon COO ordering hope hear veul FIBERGLASS 703 890-6017 iI1lept~tii Ba 530 Geodview VA 24895
Edition: Model Aviation - 1987/01
Page Numbers: 68, 69, 164, 165, 166
Control Line Speed Gene Hempel LETS LOOK closely Speed portion recent CL World Championships held Pecs Hungary David Brewin member British F2A Speed team gives account 1986 Control Line World Championships hosted Hungary held Pecs goodsized town European standards located rolling hills southern part country Pecs boasts Control Line flying site built express purpose located south end town near residential area has two circles surrounded poplar trees used Aerobatic F2B Team Race F2C competitions F2D Combat held undeveloped factory lot quarter mile east F2A Speed competition interest column newly-resurfaced apartment parking lot 150 yards west As would expected country has three top successful Speed fliers recent times organization execution Speed event excellent man has usually Hungarian Speed team manager relinquished duty favor being contest director timing height-judging officials sensibly located same radial point provided seating ramp couple few criticisms could leveled organiza tion absence three-minute circle clock slightly-underenthusiastic safety-pulling models competition started 800 am morning very few reflights round finished about 100pm allowing circle used practice flying afternoon As often happens flying competi tion particularly level have fly team team members allowed assist others starting duties writer unable observe flight fore rather give blow-by-blow account flight three rounds general over view competition technical observa tions given Australians traveled furthest intentions continue British Nationals after World Championships suffering drastic climatic change Apparently practicing local winter conditions 4080 C now competing consistent weather conditions 3Q0 C higher flying nicely-made asymmetric sidewinder models having suction fuel systems utilizing todays standards short spans wide-chord wings Rossi-powered Robin Hiern used two-bladed carbon-fiber prop record 25495 kph twenty-third place American team used models similarsize extremely short tail moment current FAI standards team-members model varying degrees unique compared other championship entrants used sidewinder type models inboard-pointing cylinders pressure-regulator-valve fuel systems John Newton seemed suffering eternal Speed fliers problem keep model flying fast did home collective head-scratching abilities usual flying buddies John midnight session work engine try improve thirdround performance unfortunately no avail nice thing about attending international event such chance meet talk people have able read about hear about admire afar Such case Chuck Schuette Folklore abounds about fickleness fuel systems highpressure bladder pressure-regulator like contest must sald Carl Dodge showed patience Job keeping Chucks engine run ning long strong enough get model airborne However once airborne Chucks flying style true lesson economy energy putting 277 kph flight good enough tenth place Carl Dodges engine setup ways individual contestants An impor F-2-A 9 K her Russian plane Note stub wing outboard side huge stabilizer Inboard wing spans 615cm root chord7Ocm ii2 68 Model Aviation Anatoly Kohaniuks super-long-wing backup model flown practicebutwas very fast until disaster struck in-flight shaft runs vibration shook pieces two protrusions wings leading edge anti-flutter counterweights Finlands Valo immaculately-prepared upright-engine centri fugal fuel switch CFS-equlpped model Note unlike other models has inboard-mounted stabilizer tant lesson can learned observing leading modelers execution key top performance addition foregoing Carls other unique features carbon-clothcovered balsa wing everyone elses being metal screw-together tuned pipe use glow plug rather head insert GlowBee type rear-induction engine Carls engine homemade bar stock real gem Carl quite audience stripped unit show fellow competitors current European champion Anatoly Kohaniuk very enthusiastic impressed later doing similar strip Carl showing him hand-machined cages needle/roller big-end bearing engine Carls engine running 40000-plus rpm regime understand flying setup required bit reeducation because point would think shouldenter pylon judging engine rpms other competitors would whip model engine would jump about another 3000 rpman incredible sound Chinese showed superb consistency become best placed 10 entrants flying upright-engine centrifugal-fuel-switchequipped CFS models obviously know equipment extremely well have devel oped flying technique suited CFS system After whipping model get up Continued page 164 185 MZ5 4OTsA iltIZ66omLZ2i25iAABAINT 148A 16516toKar I1C-59 12 408.~r14 3u, 154 990 N-~NeAlB 9999599 155L1— -TA A-a- ASA5 1BTynwcT25RI 05 8BTO48T t-59 9 920 5452-Ii ,wa OBC QS 50 ur ra2wi 04A115RGF-A77t~I B~Id17 --j}3JBB 701 145 11 Bryniw fiSt NrIzr4TJ OINII---ff]A eprsm MOJreau Moctepa copr ccc MemAyoapOAAOrO RaGed qewnaRa ccc, flOSeAHYOflR It94yxapo4bAx cOpemRo.HAB pOKOpAdMeRe p cccp ao0 cccp c mHAuOa r Moca. 14- Konbuo fiST 21 16 Jn l-tiI NTM4 2or..UJ fr13T2jW21 ryaeoc CT 25 7urr N 4 15XOMYI fiST 13 - BnS 6 17500 J1C59 18 -Blue It-59 82 2om SB F-2-A 12-Konbuc LUST 01 2Oor 20-Wryuep JE-59 8 9 8 trio Iron Curtain FAI Speed ships show typical design features sidewinder engine mounting cylinder pointing outboard highaspect-ratio asymmetrical wing huge horizontal stabilizer enclosed tuned pipe except KohaniuksL MA staffs Inabilityto read Russian prevented us identifying designers other two planes although appears right USSR youre studying detailed parts plane top aware drawn scaie January 1987 69 F2A F-2-A consumer willing pay costs associated high-quality hand craftsmanship such product might day available again Lets hope Unfortunately heat covering big event National Stunt Championships simply possible highlight interest ing valuable innovations come light such item Archie Adamisins awardwinning new Stunt ship Starship won both Jack Sheeks PAMPA award tech nological innovation Control Line Aero batics category award AMA-sponsored Top 10 Model Designs 1986 Nats Archies design notable primarily its innovative planform includes both con ventional stab/elevator mounted aft canard surfaceboth fixed forward stabilizer attached elevatormounted just aft engine Both forward aft elevators coupled wing flaps articulated would ex pect ie Up elevator coupled Down flap Down movable forward surface Other interesting design features included single-blade prop very-high-aspect-ratio wing very similar brothers former PAMPA Prexy Dennis Adamisin long-winged fourthplace finisher 1983 Nats also note worthy CG located forward leading edge root expected since aerodynamic center entire airplane moved forward addition canard surface want try such design before Archie has chance publish findings sure plan CG location accordingly balance conventional 25% point wing will likely too sensitive fly performance airplane admirable effortless corners surprising stability proof pudding Archie very nearly qualified Starship finals notwith standing its first flight day before qualifying Archie himself almost no recent contest exposure truly noteworthy ac complishment Congratulations input Ergo pass use see fit Two four suggested smaller per centage oil fuel results smoother runs Dave knowledgeable engine man suggested figure 12% oil /s castor V3 Klotz Three four praised use Perry oscillating pump answer inconsistent runs also see OS marketing new version 40 four-cycle nicknamed Surpass advertise significantly-increased power rating OS four-cycles have always seemed consistent somewhat lacking power new model may just ticket Hmmmmm Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Speed/Hempel Continued page 69 first pipe-level would snap arms out release line tension momentarily thereby causing CFS switch fuel supply engine allowing engine jump next pipe level accommodate correct tank location CFS fuel shutoff engine pans square section inboard side behind engine Hungarians flying familiar setup asymmetric outboard-cylinder sidewinder model narrow-chord two inches longspan four feet wings continue use propellers having wide chords thick sections carved maple Josef Mult has joined Josef Molnar using new Moki 512 front-induction rear-exhaust engine engine resembles debugged Ross MK3 Mult practice very hard afternoon sessions onetime setup seemed good 270 kph speed other modelers dream attalning rewarded excellent official speed 28753 kph third roundenough push Carl Dodge out third place Examination inside Mults model showed careful elegant attention anti-vibration tank mount ings Final item Since owned up frustration Enya four-cycle couple months back Russians doubt strong have received several letters readers est team present winning flight being suggestions curing inconsistency prob- outstanding 29363 kph Alexander Kalmikov lems thanks Dave Gierke Clalr Siever- full 12 kph faster Kohaniuks winning ling guys going graduate back speed last years European Championships CL Ronald Clem Brian Allen Un- AllRussianswereusingminimal-stylemodels fortunately sold three Enyas fit of about three-feet span pique day have no way verifying Both Piskalev Kalmikov used construe164 Model Aviation PUZZLED CALL MATT know 1 Complete orCall 9am -8pm lEST 2 Semi-Assembled609395-1672 ready cover sanded9 Eatts Mmdii Building P0 HeX 1 Stuktsu 011v Crauhuy NJ 36512 Rate cards available free SASE 4-1/Se 9-112 else held Curs Beets CL Aerobatics/Fncher Continued page 161 WHO SAID LAWN MOWERS WOULDNT FLY James Weems Manager Bama Flyers Air Show Team says team has flying lawn mower have flying since rp aircraft brand X engine has always marginal power heard Eagle powerful engine decision order couldnt happier about decision truly have created power house flies better ever has has plenty power really pleased beyond greatest expectations Power & Reliability Fox Eagle 60 tops #26500 Fox Eagle 60 95 Side Exhaust w/Muffler Accept VISAor MasterCard Qx Manufacturing Co 5305 Toweon Ave Fart Smith AR 72901 5011 646-1656 THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft Cars Boats Radios eSystems eEngines Hardware Books eFinishing Materials Accessories eVideos R/G Dealers Win $1 000 $500 $250 R/C Merchandise retailer choice Ta eligible simply fill out return reader survey form issue RCBG 10th edition Winners will chosen random drawing Reader Survey participants local hobby shop does sot stock copies Guide please send request payment 13 tO plus postage/handling 3 RadioContml Buyes Gukie Clifton HouseClifton VA 22024 * may use VISA Mastercard charge payment sending card number expIratIon date order tion technique rear fuselage tailplane built onto half-pan pan access being via two-part top cowl models exhibited very careful attention cooling header section tuned pipe used carbon-fiber propellers believed constant pitch Kohaniuks case pitch believed excess 6 inches much 6 inches An interesting feature Kalmikovs Piskalevs engines use threaded collar hold head insert Piskalevs case tightened real vengeance heads featured replaceable glow elements also using thick-walled aluminum tuned pipes large volume reaching maxi mum inside diameter 30mm Length now-standard 190mm maximum outside diameter measured glow plug post 290mm overall stinger having length 20mm inside diameter 45mm pipes must have helped getting models alrborne since engines running large induction period reglon of2300. opening 200 ABDC after bottom dead center Worthy mention Anatoly Kohaniuks backup model flew practice sessions featured wing extension piece produce span over five feet Josef Mult showed wry sense humor indicating what needed wing going way down control handle Anatoly said englne strong number plane flown long-wing really allows englne unload fly extremely fastpossibly approaching 300 kph However long wing fitted two sets antiflutter bobweights made model extremely pitch-sensitive resulting its kissing ground As happens shaft run single-bladed propeller counterweight present model shook itself pieces Another exponent long wing Peter Halman UK new model built World Champs featuring machined pan machined steel pipe four-foot wing used MKl Rossi crankcase fitted own piston sleeve large-outside-diameter crankshaft break UKs FAI record both second third rounds Unfortunately Dick McGalddery travel gremlins put stop excellent progress being made prior departure World Champs David Brewin attending WC first time put personal best 252 kph entrant using OPS 25 cc engine An interesting note Davids model origlnally built UK 35cc Speed class powered K&B changed Irvine 21 rear-exhaust until beginning year changed 25cc FAI Italian Speed team some strange reason did attend sorely missed would have all-OPS-powered year Poland collected third-place team honors Tomasz Chojnacki leading fifth place following third-round flight 28639 kph preceding rounds zeroes top-placed Rossi entrant used large-volume pipe wide-chord single-bladed maple propeller concluding note should thank hosts competition closing banquet congratulate contestants Precision Rotor Pitch Gauge Designed manufactured fine precision measuring tooL ROTOR PITCH GAUGE eliminates hit-or-miss adjustment pitch angles rotor blades set chopper position GMP ROTOR PITCH GAUGE allows precise measurement collective roll pitch adjustments RC helicopter Packaged beauti ful fitted leatherette hinged box w OORJ-VAM MODEL PRODucTS 23981 cRAFTsMAN RD cALABASAs CA 91302 TEL 818 992-0195 218 VERNON ROAD GREENVILLE PA 16125 TEL 412 588-1321 January1987 165 Bought Colored Fuel Line YOU DEFINITELY PAID TOO MUCH Pay Fancy Colors ON ENGINE DETERMINES REQUIRED TUBING DIAMETER EXTRA LARGE 125 iD 250 001 SH-616 2FTPKG $135 SII-661 2$ FT ROLL $1325 LARGE 093 10- 215 GD SH-2901 FT PEG$ 89 SH-646 2 FT PKG 111$ SN-291 2$ FT ROLL $1295 MEDIUM 062 ID- 156 ODl 54-2851 FT PKG$ 90 SH-545 2 FT PKG $110 SN 28925FT ROLL. $1195 FUEL FITTING SIZE * Heat-Proof will melt resting dIrectly hotteSt part running model engine Wont Harden Fuelil'~ 9111 Resistant Cuts TearsNOT FOR GASOLINE Sig first introduce silicone fuel line tubing model aviation market way back 1964 premium tubing still comes its original natural white color Some competitors would have believe ad ding blue red yellow dye tubing charging higher price makes product better dont believe Sigs original silicone fuel tubing has important characteristics need quality fuel line None Better Any Price OR COLOR See dealer first available order direct Call 800-247-5003 toll free orders Latest Catalog $300 SIG MANUFACTURING CO INCMontezuma IA 50171 Say8 th8t old TinierjtGI st 550115 Gte1W$OflFrom this. peEt VtUQ. 1-eES TaOtS Mole 4 Ignition Engine Parts Only Over 600 items Send $200 current catalog performances Championships showed aeromodeling sport can unite competitors countries no matter good individual may perform love talking about model airplanes should also remembered dont go wont learn learning essential part improv ing performance contestants finished following order best speed kilometers per hour listed 1 Kalmikov USSR29363 2 Piskalev USSR28800 3 Mult Hungary 287534 Dodge USA28639 5 Choj nacki Poland28639 6 Szegadi Hungary 285267 KohaniukUSSR28191 8 Molnar Hungary28059 9 Rachwal Po land27993 10 Schuette USA27734 11 Novakowski Poland27522 12 Ding PRC27231 13 Zhu PRC27231 14 HalmanUK27 149 15 LiPRC 27027 16 Assen Bulgaria26905 17 Kabakov Bulgaria26745 18 Kales Yugo slavia26548 19 Bianchi Brazil26 181 20 Matilainin Finland25714 21 Schmidt FRG25622 22 Hrustanovic Yugo slavia255 34 23 Hiern Australia25495 24 Rosenhan FRG25263 25 Magne France25 174 26 Brewin UK25 122 27 Bilat Switzerland24879 28 Borovac Yugoslavia2481O 29 Borer Switzerland 2474230 Bontcev Bulgaria24590 31 Metkemeyer Netherlands245 2332 New ton USA24406 33 McGalddery UK 2435734 Bertin Brazil24324 35 Fall gren Sweden24096 36 Christen Switzer land23952 37 Rietbergen Netherlands 23952 38 Kjelberg Sweden23809 39 Valo Finland23560 40 Wake Australia Great Planes Big Stiks offer quality ease r assembly superior flighf characteristics never before available stik style models Features include notched interlocking die machine-cut balsa plywood parts fast accurate construc tion hardware Additional hardware included either tricycle talidragger configuration Three versions available 53 span 20 size 59 span 40 size 60 size require 4-channel radio Available al KATPIAftIIi Leading Dealers ~JELE Nalionwide P0 5ov721 U va IL 61801- 23047 41 Fagerstrom Finland22929 42 Hanting Australia22332 43 Pinho Brazil0 Thanks once again David Brewin member UK Speed team report Gene Hempel 301 N Yale Dr Garland TX 75042 CL Racing/Ballard Continued page 70 fiberglass/epoxy prop means epoxy curing agent mixture improper prop should sent back manufacturer refund/replacement addition inspec tion fiberglass strands blade shows minimum amount strands hub area prop will certalnly prone shrinking under heat pressure high-winding Rat engine end flying day always take props Ive used inspect front strong light see internal cracks alr bubbles may produce crack subsequent failure also look hairline cracks around bubbles locked epoxy could lead blade failure As always solicit comments ideas photos John C Ballard 10102 Kimblewick Dr Louisville KY 40223 responding advertisers mention read about ModelAviation Wi Idf ref Sackett Continued page 75 carefully taCk-glue position using few drops cyanoacrylate CyA Draw outline fuselage rough-cut toshapeNexttakeapieceoflx lx 10-in medium balsa tack-glue position tailpiece outer shape fuselage can sanded final shape leaving area re movable cowl unfinished Break assembly apart clean pan mount enginetaping up openings keep dust dirt out until shaping work completed Locate four tie-down holes drill out little oversize accommodate brass tubing glue tubes place slowdrying epoxy such Hobbypoxy 2 ensure accuracy wax tie-down bolts insert position gluing tubes Use elastic bands hold pan crutch position Let whole thing dry least 24 hours Take assembly apart use coping saw cut out center crutch outline shown drawing Decide whether wish enclose engine lugs completely fuselage cut around suggest enclose engine completely tends weaken crutch severely otherwise slight amount material will have removed lugs Rossi 15 accomplish Cut lugs back ~ia inside pan leaving enough material crutch adequate strength cowl formed blank straight-grained basswcod prefer wood cowl over fiberglass lay-up better vibration-damping strength Start cutting out engine hole diameter Ys6 larger head Use circle cutter rough-clearance inside allow cowl accept engine Rough-shape outside approximately er around shown drawing tack-glue crutch blend rest fuselage Break apart install pipe clearance inside ap proximate thickness Y32 in pipe area front should solid 166 Model Aviation FIBERGLASS COWLS 70 cowls eelpants Sig Pica Top-Flue Jesce Nosen PIlot Stafford Radials Bebrens Garmhausen W E Tech other kits plans One-piece laminated construction handlaid fiberglass strong lightweight Send SASE price list please inclpde names models interested parts br call between 9AM o PM EOT informatIon COO ordering hope hear veul FIBERGLASS 703 890-6017 iI1lept~tii Ba 530 Geodview VA 24895
Edition: Model Aviation - 1987/01
Page Numbers: 68, 69, 164, 165, 166
Control Line Speed Gene Hempel LETS LOOK closely Speed portion recent CL World Championships held Pecs Hungary David Brewin member British F2A Speed team gives account 1986 Control Line World Championships hosted Hungary held Pecs goodsized town European standards located rolling hills southern part country Pecs boasts Control Line flying site built express purpose located south end town near residential area has two circles surrounded poplar trees used Aerobatic F2B Team Race F2C competitions F2D Combat held undeveloped factory lot quarter mile east F2A Speed competition interest column newly-resurfaced apartment parking lot 150 yards west As would expected country has three top successful Speed fliers recent times organization execution Speed event excellent man has usually Hungarian Speed team manager relinquished duty favor being contest director timing height-judging officials sensibly located same radial point provided seating ramp couple few criticisms could leveled organiza tion absence three-minute circle clock slightly-underenthusiastic safety-pulling models competition started 800 am morning very few reflights round finished about 100pm allowing circle used practice flying afternoon As often happens flying competi tion particularly level have fly team team members allowed assist others starting duties writer unable observe flight fore rather give blow-by-blow account flight three rounds general over view competition technical observa tions given Australians traveled furthest intentions continue British Nationals after World Championships suffering drastic climatic change Apparently practicing local winter conditions 4080 C now competing consistent weather conditions 3Q0 C higher flying nicely-made asymmetric sidewinder models having suction fuel systems utilizing todays standards short spans wide-chord wings Rossi-powered Robin Hiern used two-bladed carbon-fiber prop record 25495 kph twenty-third place American team used models similarsize extremely short tail moment current FAI standards team-members model varying degrees unique compared other championship entrants used sidewinder type models inboard-pointing cylinders pressure-regulator-valve fuel systems John Newton seemed suffering eternal Speed fliers problem keep model flying fast did home collective head-scratching abilities usual flying buddies John midnight session work engine try improve thirdround performance unfortunately no avail nice thing about attending international event such chance meet talk people have able read about hear about admire afar Such case Chuck Schuette Folklore abounds about fickleness fuel systems highpressure bladder pressure-regulator like contest must sald Carl Dodge showed patience Job keeping Chucks engine run ning long strong enough get model airborne However once airborne Chucks flying style true lesson economy energy putting 277 kph flight good enough tenth place Carl Dodges engine setup ways individual contestants An impor F-2-A 9 K her Russian plane Note stub wing outboard side huge stabilizer Inboard wing spans 615cm root chord7Ocm ii2 68 Model Aviation Anatoly Kohaniuks super-long-wing backup model flown practicebutwas very fast until disaster struck in-flight shaft runs vibration shook pieces two protrusions wings leading edge anti-flutter counterweights Finlands Valo immaculately-prepared upright-engine centri fugal fuel switch CFS-equlpped model Note unlike other models has inboard-mounted stabilizer tant lesson can learned observing leading modelers execution key top performance addition foregoing Carls other unique features carbon-clothcovered balsa wing everyone elses being metal screw-together tuned pipe use glow plug rather head insert GlowBee type rear-induction engine Carls engine homemade bar stock real gem Carl quite audience stripped unit show fellow competitors current European champion Anatoly Kohaniuk very enthusiastic impressed later doing similar strip Carl showing him hand-machined cages needle/roller big-end bearing engine Carls engine running 40000-plus rpm regime understand flying setup required bit reeducation because point would think shouldenter pylon judging engine rpms other competitors would whip model engine would jump about another 3000 rpman incredible sound Chinese showed superb consistency become best placed 10 entrants flying upright-engine centrifugal-fuel-switchequipped CFS models obviously know equipment extremely well have devel oped flying technique suited CFS system After whipping model get up Continued page 164 185 MZ5 4OTsA iltIZ66omLZ2i25iAABAINT 148A 16516toKar I1C-59 12 408.~r14 3u, 154 990 N-~NeAlB 9999599 155L1— -TA A-a- ASA5 1BTynwcT25RI 05 8BTO48T t-59 9 920 5452-Ii ,wa OBC QS 50 ur ra2wi 04A115RGF-A77t~I B~Id17 --j}3JBB 701 145 11 Bryniw fiSt NrIzr4TJ OINII---ff]A eprsm MOJreau Moctepa copr ccc MemAyoapOAAOrO RaGed qewnaRa ccc, flOSeAHYOflR It94yxapo4bAx cOpemRo.HAB pOKOpAdMeRe p cccp ao0 cccp c mHAuOa r Moca. 14- Konbuo fiST 21 16 Jn l-tiI NTM4 2or..UJ fr13T2jW21 ryaeoc CT 25 7urr N 4 15XOMYI fiST 13 - BnS 6 17500 J1C59 18 -Blue It-59 82 2om SB F-2-A 12-Konbuc LUST 01 2Oor 20-Wryuep JE-59 8 9 8 trio Iron Curtain FAI Speed ships show typical design features sidewinder engine mounting cylinder pointing outboard highaspect-ratio asymmetrical wing huge horizontal stabilizer enclosed tuned pipe except KohaniuksL MA staffs Inabilityto read Russian prevented us identifying designers other two planes although appears right USSR youre studying detailed parts plane top aware drawn scaie January 1987 69 F2A F-2-A consumer willing pay costs associated high-quality hand craftsmanship such product might day available again Lets hope Unfortunately heat covering big event National Stunt Championships simply possible highlight interest ing valuable innovations come light such item Archie Adamisins awardwinning new Stunt ship Starship won both Jack Sheeks PAMPA award tech nological innovation Control Line Aero batics category award AMA-sponsored Top 10 Model Designs 1986 Nats Archies design notable primarily its innovative planform includes both con ventional stab/elevator mounted aft canard surfaceboth fixed forward stabilizer attached elevatormounted just aft engine Both forward aft elevators coupled wing flaps articulated would ex pect ie Up elevator coupled Down flap Down movable forward surface Other interesting design features included single-blade prop very-high-aspect-ratio wing very similar brothers former PAMPA Prexy Dennis Adamisin long-winged fourthplace finisher 1983 Nats also note worthy CG located forward leading edge root expected since aerodynamic center entire airplane moved forward addition canard surface want try such design before Archie has chance publish findings sure plan CG location accordingly balance conventional 25% point wing will likely too sensitive fly performance airplane admirable effortless corners surprising stability proof pudding Archie very nearly qualified Starship finals notwith standing its first flight day before qualifying Archie himself almost no recent contest exposure truly noteworthy ac complishment Congratulations input Ergo pass use see fit Two four suggested smaller per centage oil fuel results smoother runs Dave knowledgeable engine man suggested figure 12% oil /s castor V3 Klotz Three four praised use Perry oscillating pump answer inconsistent runs also see OS marketing new version 40 four-cycle nicknamed Surpass advertise significantly-increased power rating OS four-cycles have always seemed consistent somewhat lacking power new model may just ticket Hmmmmm Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Speed/Hempel Continued page 69 first pipe-level would snap arms out release line tension momentarily thereby causing CFS switch fuel supply engine allowing engine jump next pipe level accommodate correct tank location CFS fuel shutoff engine pans square section inboard side behind engine Hungarians flying familiar setup asymmetric outboard-cylinder sidewinder model narrow-chord two inches longspan four feet wings continue use propellers having wide chords thick sections carved maple Josef Mult has joined Josef Molnar using new Moki 512 front-induction rear-exhaust engine engine resembles debugged Ross MK3 Mult practice very hard afternoon sessions onetime setup seemed good 270 kph speed other modelers dream attalning rewarded excellent official speed 28753 kph third roundenough push Carl Dodge out third place Examination inside Mults model showed careful elegant attention anti-vibration tank mount ings Final item Since owned up frustration Enya four-cycle couple months back Russians doubt strong have received several letters readers est team present winning flight being suggestions curing inconsistency prob- outstanding 29363 kph Alexander Kalmikov lems thanks Dave Gierke Clalr Siever- full 12 kph faster Kohaniuks winning ling guys going graduate back speed last years European Championships CL Ronald Clem Brian Allen Un- AllRussianswereusingminimal-stylemodels fortunately sold three Enyas fit of about three-feet span pique day have no way verifying Both Piskalev Kalmikov used construe164 Model Aviation PUZZLED CALL MATT know 1 Complete orCall 9am -8pm lEST 2 Semi-Assembled609395-1672 ready cover sanded9 Eatts Mmdii Building P0 HeX 1 Stuktsu 011v Crauhuy NJ 36512 Rate cards available free SASE 4-1/Se 9-112 else held Curs Beets CL Aerobatics/Fncher Continued page 161 WHO SAID LAWN MOWERS WOULDNT FLY James Weems Manager Bama Flyers Air Show Team says team has flying lawn mower have flying since rp aircraft brand X engine has always marginal power heard Eagle powerful engine decision order couldnt happier about decision truly have created power house flies better ever has has plenty power really pleased beyond greatest expectations Power & Reliability Fox Eagle 60 tops #26500 Fox Eagle 60 95 Side Exhaust w/Muffler Accept VISAor MasterCard Qx Manufacturing Co 5305 Toweon Ave Fart Smith AR 72901 5011 646-1656 THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft Cars Boats Radios eSystems eEngines Hardware Books eFinishing Materials Accessories eVideos R/G Dealers Win $1 000 $500 $250 R/C Merchandise retailer choice Ta eligible simply fill out return reader survey form issue RCBG 10th edition Winners will chosen random drawing Reader Survey participants local hobby shop does sot stock copies Guide please send request payment 13 tO plus postage/handling 3 RadioContml Buyes Gukie Clifton HouseClifton VA 22024 * may use VISA Mastercard charge payment sending card number expIratIon date order tion technique rear fuselage tailplane built onto half-pan pan access being via two-part top cowl models exhibited very careful attention cooling header section tuned pipe used carbon-fiber propellers believed constant pitch Kohaniuks case pitch believed excess 6 inches much 6 inches An interesting feature Kalmikovs Piskalevs engines use threaded collar hold head insert Piskalevs case tightened real vengeance heads featured replaceable glow elements also using thick-walled aluminum tuned pipes large volume reaching maxi mum inside diameter 30mm Length now-standard 190mm maximum outside diameter measured glow plug post 290mm overall stinger having length 20mm inside diameter 45mm pipes must have helped getting models alrborne since engines running large induction period reglon of2300. opening 200 ABDC after bottom dead center Worthy mention Anatoly Kohaniuks backup model flew practice sessions featured wing extension piece produce span over five feet Josef Mult showed wry sense humor indicating what needed wing going way down control handle Anatoly said englne strong number plane flown long-wing really allows englne unload fly extremely fastpossibly approaching 300 kph However long wing fitted two sets antiflutter bobweights made model extremely pitch-sensitive resulting its kissing ground As happens shaft run single-bladed propeller counterweight present model shook itself pieces Another exponent long wing Peter Halman UK new model built World Champs featuring machined pan machined steel pipe four-foot wing used MKl Rossi crankcase fitted own piston sleeve large-outside-diameter crankshaft break UKs FAI record both second third rounds Unfortunately Dick McGalddery travel gremlins put stop excellent progress being made prior departure World Champs David Brewin attending WC first time put personal best 252 kph entrant using OPS 25 cc engine An interesting note Davids model origlnally built UK 35cc Speed class powered K&B changed Irvine 21 rear-exhaust until beginning year changed 25cc FAI Italian Speed team some strange reason did attend sorely missed would have all-OPS-powered year Poland collected third-place team honors Tomasz Chojnacki leading fifth place following third-round flight 28639 kph preceding rounds zeroes top-placed Rossi entrant used large-volume pipe wide-chord single-bladed maple propeller concluding note should thank hosts competition closing banquet congratulate contestants Precision Rotor Pitch Gauge Designed manufactured fine precision measuring tooL ROTOR PITCH GAUGE eliminates hit-or-miss adjustment pitch angles rotor blades set chopper position GMP ROTOR PITCH GAUGE allows precise measurement collective roll pitch adjustments RC helicopter Packaged beauti ful fitted leatherette hinged box w OORJ-VAM MODEL PRODucTS 23981 cRAFTsMAN RD cALABASAs CA 91302 TEL 818 992-0195 218 VERNON ROAD GREENVILLE PA 16125 TEL 412 588-1321 January1987 165 Bought Colored Fuel Line YOU DEFINITELY PAID TOO MUCH Pay Fancy Colors ON ENGINE DETERMINES REQUIRED TUBING DIAMETER EXTRA LARGE 125 iD 250 001 SH-616 2FTPKG $135 SII-661 2$ FT ROLL $1325 LARGE 093 10- 215 GD SH-2901 FT PEG$ 89 SH-646 2 FT PKG 111$ SN-291 2$ FT ROLL $1295 MEDIUM 062 ID- 156 ODl 54-2851 FT PKG$ 90 SH-545 2 FT PKG $110 SN 28925FT ROLL. $1195 FUEL FITTING SIZE * Heat-Proof will melt resting dIrectly hotteSt part running model engine Wont Harden Fuelil'~ 9111 Resistant Cuts TearsNOT FOR GASOLINE Sig first introduce silicone fuel line tubing model aviation market way back 1964 premium tubing still comes its original natural white color Some competitors would have believe ad ding blue red yellow dye tubing charging higher price makes product better dont believe Sigs original silicone fuel tubing has important characteristics need quality fuel line None Better Any Price OR COLOR See dealer first available order direct Call 800-247-5003 toll free orders Latest Catalog $300 SIG MANUFACTURING CO INCMontezuma IA 50171 Say8 th8t old TinierjtGI st 550115 Gte1W$OflFrom this. peEt VtUQ. 1-eES TaOtS Mole 4 Ignition Engine Parts Only Over 600 items Send $200 current catalog performances Championships showed aeromodeling sport can unite competitors countries no matter good individual may perform love talking about model airplanes should also remembered dont go wont learn learning essential part improv ing performance contestants finished following order best speed kilometers per hour listed 1 Kalmikov USSR29363 2 Piskalev USSR28800 3 Mult Hungary 287534 Dodge USA28639 5 Choj nacki Poland28639 6 Szegadi Hungary 285267 KohaniukUSSR28191 8 Molnar Hungary28059 9 Rachwal Po land27993 10 Schuette USA27734 11 Novakowski Poland27522 12 Ding PRC27231 13 Zhu PRC27231 14 HalmanUK27 149 15 LiPRC 27027 16 Assen Bulgaria26905 17 Kabakov Bulgaria26745 18 Kales Yugo slavia26548 19 Bianchi Brazil26 181 20 Matilainin Finland25714 21 Schmidt FRG25622 22 Hrustanovic Yugo slavia255 34 23 Hiern Australia25495 24 Rosenhan FRG25263 25 Magne France25 174 26 Brewin UK25 122 27 Bilat Switzerland24879 28 Borovac Yugoslavia2481O 29 Borer Switzerland 2474230 Bontcev Bulgaria24590 31 Metkemeyer Netherlands245 2332 New ton USA24406 33 McGalddery UK 2435734 Bertin Brazil24324 35 Fall gren Sweden24096 36 Christen Switzer land23952 37 Rietbergen Netherlands 23952 38 Kjelberg Sweden23809 39 Valo Finland23560 40 Wake Australia Great Planes Big Stiks offer quality ease r assembly superior flighf characteristics never before available stik style models Features include notched interlocking die machine-cut balsa plywood parts fast accurate construc tion hardware Additional hardware included either tricycle talidragger configuration Three versions available 53 span 20 size 59 span 40 size 60 size require 4-channel radio Available al KATPIAftIIi Leading Dealers ~JELE Nalionwide P0 5ov721 U va IL 61801- 23047 41 Fagerstrom Finland22929 42 Hanting Australia22332 43 Pinho Brazil0 Thanks once again David Brewin member UK Speed team report Gene Hempel 301 N Yale Dr Garland TX 75042 CL Racing/Ballard Continued page 70 fiberglass/epoxy prop means epoxy curing agent mixture improper prop should sent back manufacturer refund/replacement addition inspec tion fiberglass strands blade shows minimum amount strands hub area prop will certalnly prone shrinking under heat pressure high-winding Rat engine end flying day always take props Ive used inspect front strong light see internal cracks alr bubbles may produce crack subsequent failure also look hairline cracks around bubbles locked epoxy could lead blade failure As always solicit comments ideas photos John C Ballard 10102 Kimblewick Dr Louisville KY 40223 responding advertisers mention read about ModelAviation Wi Idf ref Sackett Continued page 75 carefully taCk-glue position using few drops cyanoacrylate CyA Draw outline fuselage rough-cut toshapeNexttakeapieceoflx lx 10-in medium balsa tack-glue position tailpiece outer shape fuselage can sanded final shape leaving area re movable cowl unfinished Break assembly apart clean pan mount enginetaping up openings keep dust dirt out until shaping work completed Locate four tie-down holes drill out little oversize accommodate brass tubing glue tubes place slowdrying epoxy such Hobbypoxy 2 ensure accuracy wax tie-down bolts insert position gluing tubes Use elastic bands hold pan crutch position Let whole thing dry least 24 hours Take assembly apart use coping saw cut out center crutch outline shown drawing Decide whether wish enclose engine lugs completely fuselage cut around suggest enclose engine completely tends weaken crutch severely otherwise slight amount material will have removed lugs Rossi 15 accomplish Cut lugs back ~ia inside pan leaving enough material crutch adequate strength cowl formed blank straight-grained basswcod prefer wood cowl over fiberglass lay-up better vibration-damping strength Start cutting out engine hole diameter Ys6 larger head Use circle cutter rough-clearance inside allow cowl accept engine Rough-shape outside approximately er around shown drawing tack-glue crutch blend rest fuselage Break apart install pipe clearance inside ap proximate thickness Y32 in pipe area front should solid 166 Model Aviation FIBERGLASS COWLS 70 cowls eelpants Sig Pica Top-Flue Jesce Nosen PIlot Stafford Radials Bebrens Garmhausen W E Tech other kits plans One-piece laminated construction handlaid fiberglass strong lightweight Send SASE price list please inclpde names models interested parts br call between 9AM o PM EOT informatIon COO ordering hope hear veul FIBERGLASS 703 890-6017 iI1lept~tii Ba 530 Geodview VA 24895
Edition: Model Aviation - 1987/01
Page Numbers: 68, 69, 164, 165, 166
Control Line Speed Gene Hempel LETS LOOK closely Speed portion recent CL World Championships held Pecs Hungary David Brewin member British F2A Speed team gives account 1986 Control Line World Championships hosted Hungary held Pecs goodsized town European standards located rolling hills southern part country Pecs boasts Control Line flying site built express purpose located south end town near residential area has two circles surrounded poplar trees used Aerobatic F2B Team Race F2C competitions F2D Combat held undeveloped factory lot quarter mile east F2A Speed competition interest column newly-resurfaced apartment parking lot 150 yards west As would expected country has three top successful Speed fliers recent times organization execution Speed event excellent man has usually Hungarian Speed team manager relinquished duty favor being contest director timing height-judging officials sensibly located same radial point provided seating ramp couple few criticisms could leveled organiza tion absence three-minute circle clock slightly-underenthusiastic safety-pulling models competition started 800 am morning very few reflights round finished about 100pm allowing circle used practice flying afternoon As often happens flying competi tion particularly level have fly team team members allowed assist others starting duties writer unable observe flight fore rather give blow-by-blow account flight three rounds general over view competition technical observa tions given Australians traveled furthest intentions continue British Nationals after World Championships suffering drastic climatic change Apparently practicing local winter conditions 4080 C now competing consistent weather conditions 3Q0 C higher flying nicely-made asymmetric sidewinder models having suction fuel systems utilizing todays standards short spans wide-chord wings Rossi-powered Robin Hiern used two-bladed carbon-fiber prop record 25495 kph twenty-third place American team used models similarsize extremely short tail moment current FAI standards team-members model varying degrees unique compared other championship entrants used sidewinder type models inboard-pointing cylinders pressure-regulator-valve fuel systems John Newton seemed suffering eternal Speed fliers problem keep model flying fast did home collective head-scratching abilities usual flying buddies John midnight session work engine try improve thirdround performance unfortunately no avail nice thing about attending international event such chance meet talk people have able read about hear about admire afar Such case Chuck Schuette Folklore abounds about fickleness fuel systems highpressure bladder pressure-regulator like contest must sald Carl Dodge showed patience Job keeping Chucks engine run ning long strong enough get model airborne However once airborne Chucks flying style true lesson economy energy putting 277 kph flight good enough tenth place Carl Dodges engine setup ways individual contestants An impor F-2-A 9 K her Russian plane Note stub wing outboard side huge stabilizer Inboard wing spans 615cm root chord7Ocm ii2 68 Model Aviation Anatoly Kohaniuks super-long-wing backup model flown practicebutwas very fast until disaster struck in-flight shaft runs vibration shook pieces two protrusions wings leading edge anti-flutter counterweights Finlands Valo immaculately-prepared upright-engine centri fugal fuel switch CFS-equlpped model Note unlike other models has inboard-mounted stabilizer tant lesson can learned observing leading modelers execution key top performance addition foregoing Carls other unique features carbon-clothcovered balsa wing everyone elses being metal screw-together tuned pipe use glow plug rather head insert GlowBee type rear-induction engine Carls engine homemade bar stock real gem Carl quite audience stripped unit show fellow competitors current European champion Anatoly Kohaniuk very enthusiastic impressed later doing similar strip Carl showing him hand-machined cages needle/roller big-end bearing engine Carls engine running 40000-plus rpm regime understand flying setup required bit reeducation because point would think shouldenter pylon judging engine rpms other competitors would whip model engine would jump about another 3000 rpman incredible sound Chinese showed superb consistency become best placed 10 entrants flying upright-engine centrifugal-fuel-switchequipped CFS models obviously know equipment extremely well have devel oped flying technique suited CFS system After whipping model get up Continued page 164 185 MZ5 4OTsA iltIZ66omLZ2i25iAABAINT 148A 16516toKar I1C-59 12 408.~r14 3u, 154 990 N-~NeAlB 9999599 155L1— -TA A-a- ASA5 1BTynwcT25RI 05 8BTO48T t-59 9 920 5452-Ii ,wa OBC QS 50 ur ra2wi 04A115RGF-A77t~I B~Id17 --j}3JBB 701 145 11 Bryniw fiSt NrIzr4TJ OINII---ff]A eprsm MOJreau Moctepa copr ccc MemAyoapOAAOrO RaGed qewnaRa ccc, flOSeAHYOflR It94yxapo4bAx cOpemRo.HAB pOKOpAdMeRe p cccp ao0 cccp c mHAuOa r Moca. 14- Konbuo fiST 21 16 Jn l-tiI NTM4 2or..UJ fr13T2jW21 ryaeoc CT 25 7urr N 4 15XOMYI fiST 13 - BnS 6 17500 J1C59 18 -Blue It-59 82 2om SB F-2-A 12-Konbuc LUST 01 2Oor 20-Wryuep JE-59 8 9 8 trio Iron Curtain FAI Speed ships show typical design features sidewinder engine mounting cylinder pointing outboard highaspect-ratio asymmetrical wing huge horizontal stabilizer enclosed tuned pipe except KohaniuksL MA staffs Inabilityto read Russian prevented us identifying designers other two planes although appears right USSR youre studying detailed parts plane top aware drawn scaie January 1987 69 F2A F-2-A consumer willing pay costs associated high-quality hand craftsmanship such product might day available again Lets hope Unfortunately heat covering big event National Stunt Championships simply possible highlight interest ing valuable innovations come light such item Archie Adamisins awardwinning new Stunt ship Starship won both Jack Sheeks PAMPA award tech nological innovation Control Line Aero batics category award AMA-sponsored Top 10 Model Designs 1986 Nats Archies design notable primarily its innovative planform includes both con ventional stab/elevator mounted aft canard surfaceboth fixed forward stabilizer attached elevatormounted just aft engine Both forward aft elevators coupled wing flaps articulated would ex pect ie Up elevator coupled Down flap Down movable forward surface Other interesting design features included single-blade prop very-high-aspect-ratio wing very similar brothers former PAMPA Prexy Dennis Adamisin long-winged fourthplace finisher 1983 Nats also note worthy CG located forward leading edge root expected since aerodynamic center entire airplane moved forward addition canard surface want try such design before Archie has chance publish findings sure plan CG location accordingly balance conventional 25% point wing will likely too sensitive fly performance airplane admirable effortless corners surprising stability proof pudding Archie very nearly qualified Starship finals notwith standing its first flight day before qualifying Archie himself almost no recent contest exposure truly noteworthy ac complishment Congratulations input Ergo pass use see fit Two four suggested smaller per centage oil fuel results smoother runs Dave knowledgeable engine man suggested figure 12% oil /s castor V3 Klotz Three four praised use Perry oscillating pump answer inconsistent runs also see OS marketing new version 40 four-cycle nicknamed Surpass advertise significantly-increased power rating OS four-cycles have always seemed consistent somewhat lacking power new model may just ticket Hmmmmm Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Speed/Hempel Continued page 69 first pipe-level would snap arms out release line tension momentarily thereby causing CFS switch fuel supply engine allowing engine jump next pipe level accommodate correct tank location CFS fuel shutoff engine pans square section inboard side behind engine Hungarians flying familiar setup asymmetric outboard-cylinder sidewinder model narrow-chord two inches longspan four feet wings continue use propellers having wide chords thick sections carved maple Josef Mult has joined Josef Molnar using new Moki 512 front-induction rear-exhaust engine engine resembles debugged Ross MK3 Mult practice very hard afternoon sessions onetime setup seemed good 270 kph speed other modelers dream attalning rewarded excellent official speed 28753 kph third roundenough push Carl Dodge out third place Examination inside Mults model showed careful elegant attention anti-vibration tank mount ings Final item Since owned up frustration Enya four-cycle couple months back Russians doubt strong have received several letters readers est team present winning flight being suggestions curing inconsistency prob- outstanding 29363 kph Alexander Kalmikov lems thanks Dave Gierke Clalr Siever- full 12 kph faster Kohaniuks winning ling guys going graduate back speed last years European Championships CL Ronald Clem Brian Allen Un- AllRussianswereusingminimal-stylemodels fortunately sold three Enyas fit of about three-feet span pique day have no way verifying Both Piskalev Kalmikov used construe164 Model Aviation PUZZLED CALL MATT know 1 Complete orCall 9am -8pm lEST 2 Semi-Assembled609395-1672 ready cover sanded9 Eatts Mmdii Building P0 HeX 1 Stuktsu 011v Crauhuy NJ 36512 Rate cards available free SASE 4-1/Se 9-112 else held Curs Beets CL Aerobatics/Fncher Continued page 161 WHO SAID LAWN MOWERS WOULDNT FLY James Weems Manager Bama Flyers Air Show Team says team has flying lawn mower have flying since rp aircraft brand X engine has always marginal power heard Eagle powerful engine decision order couldnt happier about decision truly have created power house flies better ever has has plenty power really pleased beyond greatest expectations Power & Reliability Fox Eagle 60 tops #26500 Fox Eagle 60 95 Side Exhaust w/Muffler Accept VISAor MasterCard Qx Manufacturing Co 5305 Toweon Ave Fart Smith AR 72901 5011 646-1656 THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft Cars Boats Radios eSystems eEngines Hardware Books eFinishing Materials Accessories eVideos R/G Dealers Win $1 000 $500 $250 R/C Merchandise retailer choice Ta eligible simply fill out return reader survey form issue RCBG 10th edition Winners will chosen random drawing Reader Survey participants local hobby shop does sot stock copies Guide please send request payment 13 tO plus postage/handling 3 RadioContml Buyes Gukie Clifton HouseClifton VA 22024 * may use VISA Mastercard charge payment sending card number expIratIon date order tion technique rear fuselage tailplane built onto half-pan pan access being via two-part top cowl models exhibited very careful attention cooling header section tuned pipe used carbon-fiber propellers believed constant pitch Kohaniuks case pitch believed excess 6 inches much 6 inches An interesting feature Kalmikovs Piskalevs engines use threaded collar hold head insert Piskalevs case tightened real vengeance heads featured replaceable glow elements also using thick-walled aluminum tuned pipes large volume reaching maxi mum inside diameter 30mm Length now-standard 190mm maximum outside diameter measured glow plug post 290mm overall stinger having length 20mm inside diameter 45mm pipes must have helped getting models alrborne since engines running large induction period reglon of2300. opening 200 ABDC after bottom dead center Worthy mention Anatoly Kohaniuks backup model flew practice sessions featured wing extension piece produce span over five feet Josef Mult showed wry sense humor indicating what needed wing going way down control handle Anatoly said englne strong number plane flown long-wing really allows englne unload fly extremely fastpossibly approaching 300 kph However long wing fitted two sets antiflutter bobweights made model extremely pitch-sensitive resulting its kissing ground As happens shaft run single-bladed propeller counterweight present model shook itself pieces Another exponent long wing Peter Halman UK new model built World Champs featuring machined pan machined steel pipe four-foot wing used MKl Rossi crankcase fitted own piston sleeve large-outside-diameter crankshaft break UKs FAI record both second third rounds Unfortunately Dick McGalddery travel gremlins put stop excellent progress being made prior departure World Champs David Brewin attending WC first time put personal best 252 kph entrant using OPS 25 cc engine An interesting note Davids model origlnally built UK 35cc Speed class powered K&B changed Irvine 21 rear-exhaust until beginning year changed 25cc FAI Italian Speed team some strange reason did attend sorely missed would have all-OPS-powered year Poland collected third-place team honors Tomasz Chojnacki leading fifth place following third-round flight 28639 kph preceding rounds zeroes top-placed Rossi entrant used large-volume pipe wide-chord single-bladed maple propeller concluding note should thank hosts competition closing banquet congratulate contestants Precision Rotor Pitch Gauge Designed manufactured fine precision measuring tooL ROTOR PITCH GAUGE eliminates hit-or-miss adjustment pitch angles rotor blades set chopper position GMP ROTOR PITCH GAUGE allows precise measurement collective roll pitch adjustments RC helicopter Packaged beauti ful fitted leatherette hinged box w OORJ-VAM MODEL PRODucTS 23981 cRAFTsMAN RD cALABASAs CA 91302 TEL 818 992-0195 218 VERNON ROAD GREENVILLE PA 16125 TEL 412 588-1321 January1987 165 Bought Colored Fuel Line YOU DEFINITELY PAID TOO MUCH Pay Fancy Colors ON ENGINE DETERMINES REQUIRED TUBING DIAMETER EXTRA LARGE 125 iD 250 001 SH-616 2FTPKG $135 SII-661 2$ FT ROLL $1325 LARGE 093 10- 215 GD SH-2901 FT PEG$ 89 SH-646 2 FT PKG 111$ SN-291 2$ FT ROLL $1295 MEDIUM 062 ID- 156 ODl 54-2851 FT PKG$ 90 SH-545 2 FT PKG $110 SN 28925FT ROLL. $1195 FUEL FITTING SIZE * Heat-Proof will melt resting dIrectly hotteSt part running model engine Wont Harden Fuelil'~ 9111 Resistant Cuts TearsNOT FOR GASOLINE Sig first introduce silicone fuel line tubing model aviation market way back 1964 premium tubing still comes its original natural white color Some competitors would have believe ad ding blue red yellow dye tubing charging higher price makes product better dont believe Sigs original silicone fuel tubing has important characteristics need quality fuel line None Better Any Price OR COLOR See dealer first available order direct Call 800-247-5003 toll free orders Latest Catalog $300 SIG MANUFACTURING CO INCMontezuma IA 50171 Say8 th8t old TinierjtGI st 550115 Gte1W$OflFrom this. peEt VtUQ. 1-eES TaOtS Mole 4 Ignition Engine Parts Only Over 600 items Send $200 current catalog performances Championships showed aeromodeling sport can unite competitors countries no matter good individual may perform love talking about model airplanes should also remembered dont go wont learn learning essential part improv ing performance contestants finished following order best speed kilometers per hour listed 1 Kalmikov USSR29363 2 Piskalev USSR28800 3 Mult Hungary 287534 Dodge USA28639 5 Choj nacki Poland28639 6 Szegadi Hungary 285267 KohaniukUSSR28191 8 Molnar Hungary28059 9 Rachwal Po land27993 10 Schuette USA27734 11 Novakowski Poland27522 12 Ding PRC27231 13 Zhu PRC27231 14 HalmanUK27 149 15 LiPRC 27027 16 Assen Bulgaria26905 17 Kabakov Bulgaria26745 18 Kales Yugo slavia26548 19 Bianchi Brazil26 181 20 Matilainin Finland25714 21 Schmidt FRG25622 22 Hrustanovic Yugo slavia255 34 23 Hiern Australia25495 24 Rosenhan FRG25263 25 Magne France25 174 26 Brewin UK25 122 27 Bilat Switzerland24879 28 Borovac Yugoslavia2481O 29 Borer Switzerland 2474230 Bontcev Bulgaria24590 31 Metkemeyer Netherlands245 2332 New ton USA24406 33 McGalddery UK 2435734 Bertin Brazil24324 35 Fall gren Sweden24096 36 Christen Switzer land23952 37 Rietbergen Netherlands 23952 38 Kjelberg Sweden23809 39 Valo Finland23560 40 Wake Australia Great Planes Big Stiks offer quality ease r assembly superior flighf characteristics never before available stik style models Features include notched interlocking die machine-cut balsa plywood parts fast accurate construc tion hardware Additional hardware included either tricycle talidragger configuration Three versions available 53 span 20 size 59 span 40 size 60 size require 4-channel radio Available al KATPIAftIIi Leading Dealers ~JELE Nalionwide P0 5ov721 U va IL 61801- 23047 41 Fagerstrom Finland22929 42 Hanting Australia22332 43 Pinho Brazil0 Thanks once again David Brewin member UK Speed team report Gene Hempel 301 N Yale Dr Garland TX 75042 CL Racing/Ballard Continued page 70 fiberglass/epoxy prop means epoxy curing agent mixture improper prop should sent back manufacturer refund/replacement addition inspec tion fiberglass strands blade shows minimum amount strands hub area prop will certalnly prone shrinking under heat pressure high-winding Rat engine end flying day always take props Ive used inspect front strong light see internal cracks alr bubbles may produce crack subsequent failure also look hairline cracks around bubbles locked epoxy could lead blade failure As always solicit comments ideas photos John C Ballard 10102 Kimblewick Dr Louisville KY 40223 responding advertisers mention read about ModelAviation Wi Idf ref Sackett Continued page 75 carefully taCk-glue position using few drops cyanoacrylate CyA Draw outline fuselage rough-cut toshapeNexttakeapieceoflx lx 10-in medium balsa tack-glue position tailpiece outer shape fuselage can sanded final shape leaving area re movable cowl unfinished Break assembly apart clean pan mount enginetaping up openings keep dust dirt out until shaping work completed Locate four tie-down holes drill out little oversize accommodate brass tubing glue tubes place slowdrying epoxy such Hobbypoxy 2 ensure accuracy wax tie-down bolts insert position gluing tubes Use elastic bands hold pan crutch position Let whole thing dry least 24 hours Take assembly apart use coping saw cut out center crutch outline shown drawing Decide whether wish enclose engine lugs completely fuselage cut around suggest enclose engine completely tends weaken crutch severely otherwise slight amount material will have removed lugs Rossi 15 accomplish Cut lugs back ~ia inside pan leaving enough material crutch adequate strength cowl formed blank straight-grained basswcod prefer wood cowl over fiberglass lay-up better vibration-damping strength Start cutting out engine hole diameter Ys6 larger head Use circle cutter rough-clearance inside allow cowl accept engine Rough-shape outside approximately er around shown drawing tack-glue crutch blend rest fuselage Break apart install pipe clearance inside ap proximate thickness Y32 in pipe area front should solid 166 Model Aviation FIBERGLASS COWLS 70 cowls eelpants Sig Pica Top-Flue Jesce Nosen PIlot Stafford Radials Bebrens Garmhausen W E Tech other kits plans One-piece laminated construction handlaid fiberglass strong lightweight Send SASE price list please inclpde names models interested parts br call between 9AM o PM EOT informatIon COO ordering hope hear veul FIBERGLASS 703 890-6017 iI1lept~tii Ba 530 Geodview VA 24895
Edition: Model Aviation - 1987/01
Page Numbers: 68, 69, 164, 165, 166
Control Line Speed Gene Hempel LETS LOOK closely Speed portion recent CL World Championships held Pecs Hungary David Brewin member British F2A Speed team gives account 1986 Control Line World Championships hosted Hungary held Pecs goodsized town European standards located rolling hills southern part country Pecs boasts Control Line flying site built express purpose located south end town near residential area has two circles surrounded poplar trees used Aerobatic F2B Team Race F2C competitions F2D Combat held undeveloped factory lot quarter mile east F2A Speed competition interest column newly-resurfaced apartment parking lot 150 yards west As would expected country has three top successful Speed fliers recent times organization execution Speed event excellent man has usually Hungarian Speed team manager relinquished duty favor being contest director timing height-judging officials sensibly located same radial point provided seating ramp couple few criticisms could leveled organiza tion absence three-minute circle clock slightly-underenthusiastic safety-pulling models competition started 800 am morning very few reflights round finished about 100pm allowing circle used practice flying afternoon As often happens flying competi tion particularly level have fly team team members allowed assist others starting duties writer unable observe flight fore rather give blow-by-blow account flight three rounds general over view competition technical observa tions given Australians traveled furthest intentions continue British Nationals after World Championships suffering drastic climatic change Apparently practicing local winter conditions 4080 C now competing consistent weather conditions 3Q0 C higher flying nicely-made asymmetric sidewinder models having suction fuel systems utilizing todays standards short spans wide-chord wings Rossi-powered Robin Hiern used two-bladed carbon-fiber prop record 25495 kph twenty-third place American team used models similarsize extremely short tail moment current FAI standards team-members model varying degrees unique compared other championship entrants used sidewinder type models inboard-pointing cylinders pressure-regulator-valve fuel systems John Newton seemed suffering eternal Speed fliers problem keep model flying fast did home collective head-scratching abilities usual flying buddies John midnight session work engine try improve thirdround performance unfortunately no avail nice thing about attending international event such chance meet talk people have able read about hear about admire afar Such case Chuck Schuette Folklore abounds about fickleness fuel systems highpressure bladder pressure-regulator like contest must sald Carl Dodge showed patience Job keeping Chucks engine run ning long strong enough get model airborne However once airborne Chucks flying style true lesson economy energy putting 277 kph flight good enough tenth place Carl Dodges engine setup ways individual contestants An impor F-2-A 9 K her Russian plane Note stub wing outboard side huge stabilizer Inboard wing spans 615cm root chord7Ocm ii2 68 Model Aviation Anatoly Kohaniuks super-long-wing backup model flown practicebutwas very fast until disaster struck in-flight shaft runs vibration shook pieces two protrusions wings leading edge anti-flutter counterweights Finlands Valo immaculately-prepared upright-engine centri fugal fuel switch CFS-equlpped model Note unlike other models has inboard-mounted stabilizer tant lesson can learned observing leading modelers execution key top performance addition foregoing Carls other unique features carbon-clothcovered balsa wing everyone elses being metal screw-together tuned pipe use glow plug rather head insert GlowBee type rear-induction engine Carls engine homemade bar stock real gem Carl quite audience stripped unit show fellow competitors current European champion Anatoly Kohaniuk very enthusiastic impressed later doing similar strip Carl showing him hand-machined cages needle/roller big-end bearing engine Carls engine running 40000-plus rpm regime understand flying setup required bit reeducation because point would think shouldenter pylon judging engine rpms other competitors would whip model engine would jump about another 3000 rpman incredible sound Chinese showed superb consistency become best placed 10 entrants flying upright-engine centrifugal-fuel-switchequipped CFS models obviously know equipment extremely well have devel oped flying technique suited CFS system After whipping model get up Continued page 164 185 MZ5 4OTsA iltIZ66omLZ2i25iAABAINT 148A 16516toKar I1C-59 12 408.~r14 3u, 154 990 N-~NeAlB 9999599 155L1— -TA A-a- ASA5 1BTynwcT25RI 05 8BTO48T t-59 9 920 5452-Ii ,wa OBC QS 50 ur ra2wi 04A115RGF-A77t~I B~Id17 --j}3JBB 701 145 11 Bryniw fiSt NrIzr4TJ OINII---ff]A eprsm MOJreau Moctepa copr ccc MemAyoapOAAOrO RaGed qewnaRa ccc, flOSeAHYOflR It94yxapo4bAx cOpemRo.HAB pOKOpAdMeRe p cccp ao0 cccp c mHAuOa r Moca. 14- Konbuo fiST 21 16 Jn l-tiI NTM4 2or..UJ fr13T2jW21 ryaeoc CT 25 7urr N 4 15XOMYI fiST 13 - BnS 6 17500 J1C59 18 -Blue It-59 82 2om SB F-2-A 12-Konbuc LUST 01 2Oor 20-Wryuep JE-59 8 9 8 trio Iron Curtain FAI Speed ships show typical design features sidewinder engine mounting cylinder pointing outboard highaspect-ratio asymmetrical wing huge horizontal stabilizer enclosed tuned pipe except KohaniuksL MA staffs Inabilityto read Russian prevented us identifying designers other two planes although appears right USSR youre studying detailed parts plane top aware drawn scaie January 1987 69 F2A F-2-A consumer willing pay costs associated high-quality hand craftsmanship such product might day available again Lets hope Unfortunately heat covering big event National Stunt Championships simply possible highlight interest ing valuable innovations come light such item Archie Adamisins awardwinning new Stunt ship Starship won both Jack Sheeks PAMPA award tech nological innovation Control Line Aero batics category award AMA-sponsored Top 10 Model Designs 1986 Nats Archies design notable primarily its innovative planform includes both con ventional stab/elevator mounted aft canard surfaceboth fixed forward stabilizer attached elevatormounted just aft engine Both forward aft elevators coupled wing flaps articulated would ex pect ie Up elevator coupled Down flap Down movable forward surface Other interesting design features included single-blade prop very-high-aspect-ratio wing very similar brothers former PAMPA Prexy Dennis Adamisin long-winged fourthplace finisher 1983 Nats also note worthy CG located forward leading edge root expected since aerodynamic center entire airplane moved forward addition canard surface want try such design before Archie has chance publish findings sure plan CG location accordingly balance conventional 25% point wing will likely too sensitive fly performance airplane admirable effortless corners surprising stability proof pudding Archie very nearly qualified Starship finals notwith standing its first flight day before qualifying Archie himself almost no recent contest exposure truly noteworthy ac complishment Congratulations input Ergo pass use see fit Two four suggested smaller per centage oil fuel results smoother runs Dave knowledgeable engine man suggested figure 12% oil /s castor V3 Klotz Three four praised use Perry oscillating pump answer inconsistent runs also see OS marketing new version 40 four-cycle nicknamed Surpass advertise significantly-increased power rating OS four-cycles have always seemed consistent somewhat lacking power new model may just ticket Hmmmmm Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Speed/Hempel Continued page 69 first pipe-level would snap arms out release line tension momentarily thereby causing CFS switch fuel supply engine allowing engine jump next pipe level accommodate correct tank location CFS fuel shutoff engine pans square section inboard side behind engine Hungarians flying familiar setup asymmetric outboard-cylinder sidewinder model narrow-chord two inches longspan four feet wings continue use propellers having wide chords thick sections carved maple Josef Mult has joined Josef Molnar using new Moki 512 front-induction rear-exhaust engine engine resembles debugged Ross MK3 Mult practice very hard afternoon sessions onetime setup seemed good 270 kph speed other modelers dream attalning rewarded excellent official speed 28753 kph third roundenough push Carl Dodge out third place Examination inside Mults model showed careful elegant attention anti-vibration tank mount ings Final item Since owned up frustration Enya four-cycle couple months back Russians doubt strong have received several letters readers est team present winning flight being suggestions curing inconsistency prob- outstanding 29363 kph Alexander Kalmikov lems thanks Dave Gierke Clalr Siever- full 12 kph faster Kohaniuks winning ling guys going graduate back speed last years European Championships CL Ronald Clem Brian Allen Un- AllRussianswereusingminimal-stylemodels fortunately sold three Enyas fit of about three-feet span pique day have no way verifying Both Piskalev Kalmikov used construe164 Model Aviation PUZZLED CALL MATT know 1 Complete orCall 9am -8pm lEST 2 Semi-Assembled609395-1672 ready cover sanded9 Eatts Mmdii Building P0 HeX 1 Stuktsu 011v Crauhuy NJ 36512 Rate cards available free SASE 4-1/Se 9-112 else held Curs Beets CL Aerobatics/Fncher Continued page 161 WHO SAID LAWN MOWERS WOULDNT FLY James Weems Manager Bama Flyers Air Show Team says team has flying lawn mower have flying since rp aircraft brand X engine has always marginal power heard Eagle powerful engine decision order couldnt happier about decision truly have created power house flies better ever has has plenty power really pleased beyond greatest expectations Power & Reliability Fox Eagle 60 tops #26500 Fox Eagle 60 95 Side Exhaust w/Muffler Accept VISAor MasterCard Qx Manufacturing Co 5305 Toweon Ave Fart Smith AR 72901 5011 646-1656 THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft Cars Boats Radios eSystems eEngines Hardware Books eFinishing Materials Accessories eVideos R/G Dealers Win $1 000 $500 $250 R/C Merchandise retailer choice Ta eligible simply fill out return reader survey form issue RCBG 10th edition Winners will chosen random drawing Reader Survey participants local hobby shop does sot stock copies Guide please send request payment 13 tO plus postage/handling 3 RadioContml Buyes Gukie Clifton HouseClifton VA 22024 * may use VISA Mastercard charge payment sending card number expIratIon date order tion technique rear fuselage tailplane built onto half-pan pan access being via two-part top cowl models exhibited very careful attention cooling header section tuned pipe used carbon-fiber propellers believed constant pitch Kohaniuks case pitch believed excess 6 inches much 6 inches An interesting feature Kalmikovs Piskalevs engines use threaded collar hold head insert Piskalevs case tightened real vengeance heads featured replaceable glow elements also using thick-walled aluminum tuned pipes large volume reaching maxi mum inside diameter 30mm Length now-standard 190mm maximum outside diameter measured glow plug post 290mm overall stinger having length 20mm inside diameter 45mm pipes must have helped getting models alrborne since engines running large induction period reglon of2300. opening 200 ABDC after bottom dead center Worthy mention Anatoly Kohaniuks backup model flew practice sessions featured wing extension piece produce span over five feet Josef Mult showed wry sense humor indicating what needed wing going way down control handle Anatoly said englne strong number plane flown long-wing really allows englne unload fly extremely fastpossibly approaching 300 kph However long wing fitted two sets antiflutter bobweights made model extremely pitch-sensitive resulting its kissing ground As happens shaft run single-bladed propeller counterweight present model shook itself pieces Another exponent long wing Peter Halman UK new model built World Champs featuring machined pan machined steel pipe four-foot wing used MKl Rossi crankcase fitted own piston sleeve large-outside-diameter crankshaft break UKs FAI record both second third rounds Unfortunately Dick McGalddery travel gremlins put stop excellent progress being made prior departure World Champs David Brewin attending WC first time put personal best 252 kph entrant using OPS 25 cc engine An interesting note Davids model origlnally built UK 35cc Speed class powered K&B changed Irvine 21 rear-exhaust until beginning year changed 25cc FAI Italian Speed team some strange reason did attend sorely missed would have all-OPS-powered year Poland collected third-place team honors Tomasz Chojnacki leading fifth place following third-round flight 28639 kph preceding rounds zeroes top-placed Rossi entrant used large-volume pipe wide-chord single-bladed maple propeller concluding note should thank hosts competition closing banquet congratulate contestants Precision Rotor Pitch Gauge Designed manufactured fine precision measuring tooL ROTOR PITCH GAUGE eliminates hit-or-miss adjustment pitch angles rotor blades set chopper position GMP ROTOR PITCH GAUGE allows precise measurement collective roll pitch adjustments RC helicopter Packaged beauti ful fitted leatherette hinged box w OORJ-VAM MODEL PRODucTS 23981 cRAFTsMAN RD cALABASAs CA 91302 TEL 818 992-0195 218 VERNON ROAD GREENVILLE PA 16125 TEL 412 588-1321 January1987 165 Bought Colored Fuel Line YOU DEFINITELY PAID TOO MUCH Pay Fancy Colors ON ENGINE DETERMINES REQUIRED TUBING DIAMETER EXTRA LARGE 125 iD 250 001 SH-616 2FTPKG $135 SII-661 2$ FT ROLL $1325 LARGE 093 10- 215 GD SH-2901 FT PEG$ 89 SH-646 2 FT PKG 111$ SN-291 2$ FT ROLL $1295 MEDIUM 062 ID- 156 ODl 54-2851 FT PKG$ 90 SH-545 2 FT PKG $110 SN 28925FT ROLL. $1195 FUEL FITTING SIZE * Heat-Proof will melt resting dIrectly hotteSt part running model engine Wont Harden Fuelil'~ 9111 Resistant Cuts TearsNOT FOR GASOLINE Sig first introduce silicone fuel line tubing model aviation market way back 1964 premium tubing still comes its original natural white color Some competitors would have believe ad ding blue red yellow dye tubing charging higher price makes product better dont believe Sigs original silicone fuel tubing has important characteristics need quality fuel line None Better Any Price OR COLOR See dealer first available order direct Call 800-247-5003 toll free orders Latest Catalog $300 SIG MANUFACTURING CO INCMontezuma IA 50171 Say8 th8t old TinierjtGI st 550115 Gte1W$OflFrom this. peEt VtUQ. 1-eES TaOtS Mole 4 Ignition Engine Parts Only Over 600 items Send $200 current catalog performances Championships showed aeromodeling sport can unite competitors countries no matter good individual may perform love talking about model airplanes should also remembered dont go wont learn learning essential part improv ing performance contestants finished following order best speed kilometers per hour listed 1 Kalmikov USSR29363 2 Piskalev USSR28800 3 Mult Hungary 287534 Dodge USA28639 5 Choj nacki Poland28639 6 Szegadi Hungary 285267 KohaniukUSSR28191 8 Molnar Hungary28059 9 Rachwal Po land27993 10 Schuette USA27734 11 Novakowski Poland27522 12 Ding PRC27231 13 Zhu PRC27231 14 HalmanUK27 149 15 LiPRC 27027 16 Assen Bulgaria26905 17 Kabakov Bulgaria26745 18 Kales Yugo slavia26548 19 Bianchi Brazil26 181 20 Matilainin Finland25714 21 Schmidt FRG25622 22 Hrustanovic Yugo slavia255 34 23 Hiern Australia25495 24 Rosenhan FRG25263 25 Magne France25 174 26 Brewin UK25 122 27 Bilat Switzerland24879 28 Borovac Yugoslavia2481O 29 Borer Switzerland 2474230 Bontcev Bulgaria24590 31 Metkemeyer Netherlands245 2332 New ton USA24406 33 McGalddery UK 2435734 Bertin Brazil24324 35 Fall gren Sweden24096 36 Christen Switzer land23952 37 Rietbergen Netherlands 23952 38 Kjelberg Sweden23809 39 Valo Finland23560 40 Wake Australia Great Planes Big Stiks offer quality ease r assembly superior flighf characteristics never before available stik style models Features include notched interlocking die machine-cut balsa plywood parts fast accurate construc tion hardware Additional hardware included either tricycle talidragger configuration Three versions available 53 span 20 size 59 span 40 size 60 size require 4-channel radio Available al KATPIAftIIi Leading Dealers ~JELE Nalionwide P0 5ov721 U va IL 61801- 23047 41 Fagerstrom Finland22929 42 Hanting Australia22332 43 Pinho Brazil0 Thanks once again David Brewin member UK Speed team report Gene Hempel 301 N Yale Dr Garland TX 75042 CL Racing/Ballard Continued page 70 fiberglass/epoxy prop means epoxy curing agent mixture improper prop should sent back manufacturer refund/replacement addition inspec tion fiberglass strands blade shows minimum amount strands hub area prop will certalnly prone shrinking under heat pressure high-winding Rat engine end flying day always take props Ive used inspect front strong light see internal cracks alr bubbles may produce crack subsequent failure also look hairline cracks around bubbles locked epoxy could lead blade failure As always solicit comments ideas photos John C Ballard 10102 Kimblewick Dr Louisville KY 40223 responding advertisers mention read about ModelAviation Wi Idf ref Sackett Continued page 75 carefully taCk-glue position using few drops cyanoacrylate CyA Draw outline fuselage rough-cut toshapeNexttakeapieceoflx lx 10-in medium balsa tack-glue position tailpiece outer shape fuselage can sanded final shape leaving area re movable cowl unfinished Break assembly apart clean pan mount enginetaping up openings keep dust dirt out until shaping work completed Locate four tie-down holes drill out little oversize accommodate brass tubing glue tubes place slowdrying epoxy such Hobbypoxy 2 ensure accuracy wax tie-down bolts insert position gluing tubes Use elastic bands hold pan crutch position Let whole thing dry least 24 hours Take assembly apart use coping saw cut out center crutch outline shown drawing Decide whether wish enclose engine lugs completely fuselage cut around suggest enclose engine completely tends weaken crutch severely otherwise slight amount material will have removed lugs Rossi 15 accomplish Cut lugs back ~ia inside pan leaving enough material crutch adequate strength cowl formed blank straight-grained basswcod prefer wood cowl over fiberglass lay-up better vibration-damping strength Start cutting out engine hole diameter Ys6 larger head Use circle cutter rough-clearance inside allow cowl accept engine Rough-shape outside approximately er around shown drawing tack-glue crutch blend rest fuselage Break apart install pipe clearance inside ap proximate thickness Y32 in pipe area front should solid 166 Model Aviation FIBERGLASS COWLS 70 cowls eelpants Sig Pica Top-Flue Jesce Nosen PIlot Stafford Radials Bebrens Garmhausen W E Tech other kits plans One-piece laminated construction handlaid fiberglass strong lightweight Send SASE price list please inclpde names models interested parts br call between 9AM o PM EOT informatIon COO ordering hope hear veul FIBERGLASS 703 890-6017 iI1lept~tii Ba 530 Geodview VA 24895