AMA Nats: CL Racing

meets appreciative audiences . includ ing Los Angeles Ban Klapinski made first competitive Nats appearance since winning 1967 version Flying ST 46-powered version original Tempest design Bart proved concedes nothing new wave high-tech Stunters finished very solid tenth An inter esting trim note Halfway through competi tion Bart trimmed over half-inch off trailing edge both flaps improve corner ing ability Tempest wind worked Yet another outstanding pilot past Bobby Hunt 1976 Nats Champ former World Champion well Bob competed first time about nine years did years innovative power plants Bob flying Rossi 40 ABC engine equipped full tuned pipe running high rpm low-pitch prop combo Event Director George Higgins L presents Rookie Year award New Yorks Mike Rogers Mike fought hard finished thirteenth first time qualified top 20 unable qualify several previous tries Congratulations shows promise evidenced eighth-place finish Making return Wynn Paul former US CL Aerobatics team member perennial Nats top-five finisher individual re porter pleased see Flying new ver sion trademark Pampawagon finished very respectable eleventh Wynn accompa nied vivacious new wife Helen pro mises much asset Wynn Wynn world Stunt Welcome back Continued page 154 AMA NATS 0 0 1987 K Lincoin Nebraska CL Racing HEARTLAND OF AMERICA Sunny warm sununer days cool breezes Nothing could have further cheerful pic ture arrived Lincoln Municipal Airport Sunday July 12 1987 temperature approximately 500 stiff 25-35 mph wind blowing intermittent showers Fortu nately far weather goes worst day entire week Generally early morning temperatures low SOs noon low 90s norm stiffest wind have unfortu nate experience flying prevalent two days Racing competition particular day velocity high officials tent attached van avoid being blown area Thursday wind gusted several occasions above 40 mph extremely bright pollution-free sunlight improved fortunes several area drugstores virtue brisk sales sunburn treatments ointments CL Racing events restruc tured 1985 again restructured 1987 TiieoAov hnd PAT Tenni 2ni Mniioe Poplin fnl Jed Kusik warms up Nelson 15 dieselpowered FAI Team Racer Pressurized fuel can left arm sends fuel through tube fitting left handand planes tank via fitting behind engine November 1987 59 newly-donated Junior Stunt perpetual award presented Junior Champion Todd Lee Bruce Gifford Sr Gifford family has donated award expres sion appreciation contribution CL Stunt has made family Kaz Miako Minato welcome attractive addition years Stunt Nets Saturdays banquet appeared beautiful traditional Japanese garb What delightful couple Maybe weather next Nets will kinder Kaz Paul Walker accepts prestigious Walker Cup named CL innovator Jim Walker symbol supremecy CL Precision Aerobatics event after flyoff between Junior Senior Open champions John Ballard Mike Greb won Open Slow Rat K&B 35-powered ship Note fuel tank totally board swing-weight carburetor John McCoIlum uses bore gauge check cylinder bore Nelson 35 debored Supertigre X-40 Slow Rat Racer lowed Wednesday Jr/Sr/Open Scale Rac ing Rat Slow Rat Thursday schedule actually left three full travel days contestants return home Unfortunately cer tainly put strain pilots pit men officials alike running two fast-paced premier events day took 900 am until almost 700 pm day AMA Control Line officials selected ex cellent Racing site same proximity site selected Lincoln 1979 Nats Con crete two Racing circles extremely smooth unfortunately tar spacers dried out after years exterior exposure fair amount tar disintegrated left ap proximately half-inch gaping cracks some areas Special thanks should given Racing Direc tor John McCollum crew local club Sky Knights Lincoln assisted making circles addition Art Johnson spent considerable amount time taping large cracks landing takeoff areas Racing circle prevent smaller Mouse Racers Scale Racers stumbling cracks FM Team Racing Five teams came out Mon day practiced evening hours equipment processed early Tuesday morn ing several excellent heat races flown Most competitors capable getting enough laps per tank consistent engine runs problem 80 0F temperatures day before present during 60 0F showers prevailed during Team Race qualifying heats final Knoppi/McCollum team took lackluster 1012 time followed Jed Kuzik Continued page 158 Left Open Rat winners L-R lst-5th place Shahan-Fogg team John Ballard Ken Hicks Dick Lambert Jerry Meyer Right Open Scale Race winners L-R lst-5th place Dick Lambert Larry Oziak Sr Larry Oziak Jr Ken Hicks Vic Garner Left Senior Scale Race winners L-R Mike Shahan first Todd Ballard second Randy Rich third Right Open Slow Rat winners R-L Mike Grab first Gary Crawford second Larry Dziak Jr third Larry Dziak Sr fourth 60 Model Aviation Bill Lee about apply horizontal smash starting technique Nelson 15-powered Scale Racer Note con trol lines enter wing tip through single orificefor less drag speed Event Director John McCollum R stands next PA system holds mike Sunlight streaming through fiberglasswatching race Two loudspeakers near shell Mike Shahans Fast Rat revealscenter circle let him communicate hardwood spars ribs half-lengthwith pilots over scream engines metal speed pan holds Inverted K&B 40 Mike won Senior Fast Rat Race event Name Street --- __________________________ City State2ip Old-Time Stunt unofficial event great participation 18 entries won Lou Wolgast record-breaking third time OldTimer highlighted large variety de signs numerous ignition engines Finally both coveted Concours dElegance Jack Sheeks Technical Achievement awards won Windy Urtnowskis magnificent red classic styled Ii design named simply Tra dition Nats CL Racing/Ballard Continued page 60 Mike Greb During showers final race Kuziks pilot slipped rain-slick concrete shortened final race other two competitors completed 165 160 laps re spectively Mouse Racing event predictably filled surprises Juniors Seniors did well fighting stiff 20 mph breezes Open final saw two competitors negotiating windy takeoffs Junior ranks Todd Lee Topeka KS did excellent job final 636 followed Annie Olson Fargo ND Mark Williams Senior Mouse Todd Ballard first time identical Junior winner 636 Jane Johnson second Randy Rich third Open Mouse 11 competitors stiff af ternoon breeze made some exciting racing Vic Gamer took excellent 510 fol lowed Donald Gutscher 628 Knoppi/ McCollum 638 Scale Racing good portion free day Monday spent competitors tun ing practicing official event Wed nesday stiff afternoon wind made landing takeoff practice difficult light weight machines Airspeed 1502 1606 seven laps Several competitors spent hours trying various types propellers generate var ious rpm loading engines has come impossible merely use tachometer engines interpolate airspeed minor modification propeller thickness length pitch must thoroughly tested var ious weather conditions maximum speed obtained majority entrants using Nelson 15 several also using new-style Rossi 15 two heavily modified Cox 15 engines visible well Wednesday started Out hot sunny Rac Stork let hemedloto Shipeeet New ZENOAN 6237 Cu in $23995 Ne Onodre 40 CDI 13-beoring epring enorteri $14995 Reg Onodro 40 512295 Rrieghello flywheel 95 Req Onodro 40 Pewer Aeeewhly Only pointe $5495 QUADRA ZENOAH REPAIR $1000 pine ports Jiw Messer ERcOUPEPLANS $2395 SEMI-KIT $0995 Jiw Meeeer TOMAHAWKPLANS $2395 SEMI-KIT 59995 Jiw Meese J-3 KITTENPLANS $2995 FULL-KIT $13995 WE ROBINHOOD 50 KITOSORS leone $301 WE ROBINHOOD 99 KIT$10995 leone $801 MALONEY 100 $10495ZENOAH 0-39 95 FLOATS 49 14 ecoleceres $2195 cntnplete hit $4795 1$ WWI WHEELS 5 P1K Spring Storter 5 PLANS SUPER STEARMAN lI4IGodfreyI $2895 13 TAYLORcRAFT er 13 CUB Nelito $2995 VOLKSPLANE 13 Ichichen Chorliel $2395 Sercne H-350 42 no $1295 Werld 5-16 Irg nondele $3495 Prnpe oil n/one ER TOP FLITE DYNATHRUST2S% OFF US Onodo FUELTANKS19 no $69532oo $795 FIBERGALSSARROWSHAFTS 5/16 n32 Ineg 6fnr$11 95 24Hc S Adae2tnnn n SnndenhCflckn MO JIM MESSERS QUALITY MODEL PRODUCTS Valley View Dr Bo 43 Allegany NY 14706 ing Director John McCollum brought Racing competitors together detailed talk concern ing whipping high flying etc improve communications between judges pilots center John used two loudspeakers connected PA system located just outside pilots circle speakers center circle worked quite well decibel level powerful engines made impossible hear either pit man judges shouting during racing conditions John indicated preferences running Racing events compromise agreed upon competitors present decided take top six preliminary heats se lected combining both 70-lap-heat times Junior/Senior Scale Race flown first Mike Shahan turned respectable 631 followed Todd Ballard Randy Rich Open competitors forced fly rather stiff gusty 25 mph wind Nonetheless preliminary heats excellent cutoff showed top six 308 616 combined heat times two 70-lap races final 140-lap race matched first- second-place finishers Dick Lambert Larry Dziak Both entries flying Little Quickies Larrys powered long-stack Nelson 15 Dicks late-model Rossi 15 initial start Larry beat Dick out pit After both planes air speeds nearly equal Neither plane seemed able pass other Larrys first pit stop excel lent whereas Dicks extremely slow Dick later analyzed problem having battery rheostat turned too low Gb-Bee Fireplug Halfway through 160-lap race looked Larry comfortable lead came gremlins Dick another bad pit putting Larry farther aheadbut suddenly Larrys engine started go sour came second pit stop richened up needle no avail engine refused pick back up except first few laps after last two pit stops door now open Lamberts entry turned up battery excellent third pit stop Wizard richened up needle valve againbut no avail engine still did respond end 160 laps Lambert team beat Wiz less 20 sec onds Larry felt possible cause en gines sourness bearing starting go bad causing some binding engine Lamnberts winning time too impressive 618 Larry Dziak Jr third Rat Race As mentioned earlier practice Premier Racing event confined Monday Tuesday entire morning after noon required Scale Racing too much 158 Model Aviation Puzzled CALL MATT NotluethuUd gttiglt Ill hews thee know hew 1 Complete 2 Semi-Assembled reedyto cover sanded Call Sam-U pm lEST 609-395-1672 Send prices Kits Engines accessories 2 p Mitts Model Building P0 ki 49 1 Stechtes Drive Crumhery NJ @8512 Rate cards avsilahe free SASE 4-1/89 9-1/2 also build Cars Boats ZMA HOBBY __ out date LI discard older basic RC systems can easily update adding dual rates mixing extra channels frequency changes etc need basic electrical ability simple tools Written RIG tech 10 yrs exp 142 page journal includes sources diagrams charts detailed modifications written simple under standable text Send $1995 check money order HOBBY RADIO 3001-A Kavanaugh Rd Wilson NC 27893 Phone 919 291-8548 Hobby Radio also offers professional RIG repairs mods Complete systems service battery pack servos vibration testing new frequency change etc manu facturer repairs guaranteed performed minimal turnaround Send sase price list complete services time left participants weary sunburned after day concrete Most competitors spent winter refining pitch length propellers 10%-nitro rule considerable amount testing required achieve right rpm/airspeed ratio practice fastest competitor far Vic Garners upside-down all-wood model ran fairly consistently 1106 1108 Unfortunately Vic done testing cool dry 700F air Southern California high-humidity low-90s temperature Lin coln caused him have engine overheating prob lems Fogg-Shahan team Lambert team turning approximately 1108 1109 Most other competitors running 1201 about 1205 Considerable testing done new Nel son funny plug Nelson Competition Engines now supplying funny plug 4L wire LL wire addition Nelson has de signed one-piece plug will work same hole funny plug collet holds place Competitors can choose tween one-piece two-piece plug necessity head change Several competitors tried one-piece plugs Rat usage divided equally between 4L funny plug one-piece funny plug one-piece plug has traditional ele ment also utilizes shield over bottom plug has very small peephole lead ing combustion chamber arrange ment minimizes distortion plug element Fast Rat day dawned hot extremely windy Senior entrants run first Mike Shahan being winner Open competitors flew two 70-lap heats top six going finals An excellent 70-lap preliminary time 219 turned Fogg-Shahan team particular flight team about 30 laps loner flying Most other times averaged 227 234 140-lap final race Fogg-Shahan ran unbeatable 446 Shahans competi tion Dick Lambert malfunction fuel system Shahan flew approximately 80 laps loner type situation virtually impos sible other two-up competitors over come Bailard-Lambert team second Ken Hicks brought up third spot Fogg-Shahan team certainly corrected inconsistent pitting flying working fuel system well having pilot spend some long hours weight room Slow Rat showed California contingent run ning quickest airspeeds year famous Tune-Hill 05 35 engine absent new Nelson 35 debored Supertigre 40 excellent airspeed well good pitability new-generation engine seems like Nelson one-piece funny plug air speeds Slow Rat highest recorded several years California contingent well Larry Dziak John Ballard running approxi mately 1340 140 flat Some excellent 70-lap heat races flown under extremely windy conditions top six taken finals cutoff time two 70-lap heats 507 Mike Greb sporting K&B 35 made finals slower airspeed excellent pit ting assisted Bill Lee Mike ran ex cellent 508 followed Californian Larry Crawford 60757 Larry Dziak 60762 other three finalistsGarner Bal lard Meyerall caught fire during initial start pit stop foiling chances placeTHE LEADER IN COMPETITION NEW SERIES 100 THP DESIGN P RICE DIA 299 379 479 15689 18989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION lOTO 200/s INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 55/s34149 634149 72833/s456179 833/,4568189 84566/7199 9456677A199 104586/7209 106W8W209 106EW219 114677/o77/,6229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164/sN969 16678969 B lj RC PYLON RACING SERIES 500 DIAPITCHPRICE 7SN 5/N279 8I 6/,7/,7/s8 299 SERIES 400C 866/,777289 977A751289 W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66/,778 6778 6778 67 678 November 1987 159 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes lake chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety supplies OfS6NEO & DHWIOFSO IV CHRIS FAI RUBBER Sizes 114 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube $1200 no lube Slick costs $175 Postpaid US via UPS Cal add 6tax SMALL BOX 114 lb rubber $450 size Orders up $1500 114 lb rubber mdse. add $150 UPS Over $15 add 10% CROCKET HOOKS NOW MADE BY FAg SEND $1 FAI Model Supply FOR CATALOG P0 BOX 3987 Torrance CA 90610 fUSELAGE JKI STATIONS THE BEST FUSELAGE JIG EVER PERIOD Provides Solid Support Accurate Building Rugged Construction 7 Ply Aircraft P1 ood Provides Lifetime Use Two Sizes Available Regular Fuselages Up 6 Wide Jumbo Fuselages Up 9 Wide Use Own Building Board Work Bench Base Mount Jig Station Uni-Strut Guide Rails Most Versatile Set-Up Contains Complete Hardware Instructions Including Uni-Strut Information Boxof4StandardJigStationsS1795 Boxof4JumboJigStations1995 w ftogGdRdgmog2195 Ps GATOR RIC PRODUCTS pa904-86 mm 7 m m . auu 7/N m ELECTRIC MOTOR MOUNT JTEL1 FUF4 ALL 06-10075 MOTORS ALL 035-05-IS COBALTS 895 Pt oppi ed J1EL2 25-40 Motors 1395 UGHT WEIGHT CAST AWMINUM Includas motor hold down strap screws versatile motor mount provides firm firewall mountIng popular electric motorl Mount allows exchanging motors best flIght pedormancei Motor can mounted through firewall fowad firewall proper CO balancingorto fit design plane ELECTRIC MOTOR TEST STAND PLANES S 160 Model Aviation ment top three Nelson/Supertigre 35 seems prone start ing alcohol fires during pit stops especially exhaust port open engines either ABC AAC seem stop piston top-dead-center ringedpiston Tune-Hill 35s seems ringedpiston setup will allow engine stop topdead-center whereas lapped-piston engine wants kick piston hack off compression thereby leaving exhaust port open increas ing chances alcohol fire due spilled fuel ground under plane during pit stop competitive community whole wants thank K&B Manufacturing supplying gallons 10%-nitro fuel Racing competitors use both practice competi tion Next month Ill back regular column As always solicit comments photo graphs ideas appreciated Nats CL Combat/Johnson Continued page 63 using l0%-nitrolcastor-oil combination man dated new rules though diameter engine venturi still unrestricted Most people just lowered heads engines few thousandths inch increase com pression ratio made same famil iar equipmentsuch million clones Force Rush Puppy practice-session fuel pretty lousy caused lot blown plugs poor engine set tings Rush sent model up richer usual held goodalthough ragged-sounding needle different batch official fuel used Wednesday worked better al though mechanics missed needle setting usually lean side contestant re ceived small container official fuel mix Judges fuel available case planes fuel bladder broke Don Cranfill lost good close match Jerry Sabin Slow Combat previous day extra-determined put Howard Rush away finalwhich did top finishers both SLow FAt Combat mostly usual predictable people Sabin taking Slow Pete Plunkett sixth place FAD being exceptions lot will remember Larry Hill used rather large Racing pilot could add about 10 mph plane Well Pete has ability add about much speed through turns 1AA Comhat just barrel-roll laughs Thursday featured very high winds made test flying Fast Combat model difficult Some 1ISA models wouldnt get through wind complete lap level-flying rules relaxed hopes getting some de cent matches two models got down wind like pair 200-mph Fasts blazing turns head-on passesit put both models Stealth mode since neither pilot could make Out other model flyby Jerry Sabin Griffith IL took top spot fol lowed Darren Huey Oklahoma City OK did some good flying well other Combat events Third Al Jorgensen fourth Mike Olsonboth Fargo ND Continued page 166 testing breaking companng motor& Large neat sinK clamp maKes motor run coolet Can also used boat motor mount avcidole ot hobby shop 05085 DUIECT toe hwnsdot sltrnant Check MO VIs MC COO aCceoted Add 5350 UP 5200 toe COO S II

meets appreciative audiences . includ ing Los Angeles Ban Klapinski made first competitive Nats appearance since winning 1967 version Flying ST 46-powered version original Tempest design Bart proved concedes nothing new wave high-tech Stunters finished very solid tenth An inter esting trim note Halfway through competi tion Bart trimmed over half-inch off trailing edge both flaps improve corner ing ability Tempest wind worked Yet another outstanding pilot past Bobby Hunt 1976 Nats Champ former World Champion well Bob competed first time about nine years did years innovative power plants Bob flying Rossi 40 ABC engine equipped full tuned pipe running high rpm low-pitch prop combo Event Director George Higgins L presents Rookie Year award New Yorks Mike Rogers Mike fought hard finished thirteenth first time qualified top 20 unable qualify several previous tries Congratulations shows promise evidenced eighth-place finish Making return Wynn Paul former US CL Aerobatics team member perennial Nats top-five finisher individual re porter pleased see Flying new ver sion trademark Pampawagon finished very respectable eleventh Wynn accompa nied vivacious new wife Helen pro mises much asset Wynn Wynn world Stunt Welcome back Continued page 154 AMA NATS 0 0 1987 K Lincoin Nebraska CL Racing HEARTLAND OF AMERICA Sunny warm sununer days cool breezes Nothing could have further cheerful pic ture arrived Lincoln Municipal Airport Sunday July 12 1987 temperature approximately 500 stiff 25-35 mph wind blowing intermittent showers Fortu nately far weather goes worst day entire week Generally early morning temperatures low SOs noon low 90s norm stiffest wind have unfortu nate experience flying prevalent two days Racing competition particular day velocity high officials tent attached van avoid being blown area Thursday wind gusted several occasions above 40 mph extremely bright pollution-free sunlight improved fortunes several area drugstores virtue brisk sales sunburn treatments ointments CL Racing events restruc tured 1985 again restructured 1987 TiieoAov hnd PAT Tenni 2ni Mniioe Poplin fnl Jed Kusik warms up Nelson 15 dieselpowered FAI Team Racer Pressurized fuel can left arm sends fuel through tube fitting left handand planes tank via fitting behind engine November 1987 59 newly-donated Junior Stunt perpetual award presented Junior Champion Todd Lee Bruce Gifford Sr Gifford family has donated award expres sion appreciation contribution CL Stunt has made family Kaz Miako Minato welcome attractive addition years Stunt Nets Saturdays banquet appeared beautiful traditional Japanese garb What delightful couple Maybe weather next Nets will kinder Kaz Paul Walker accepts prestigious Walker Cup named CL innovator Jim Walker symbol supremecy CL Precision Aerobatics event after flyoff between Junior Senior Open champions John Ballard Mike Greb won Open Slow Rat K&B 35-powered ship Note fuel tank totally board swing-weight carburetor John McCoIlum uses bore gauge check cylinder bore Nelson 35 debored Supertigre X-40 Slow Rat Racer lowed Wednesday Jr/Sr/Open Scale Rac ing Rat Slow Rat Thursday schedule actually left three full travel days contestants return home Unfortunately cer tainly put strain pilots pit men officials alike running two fast-paced premier events day took 900 am until almost 700 pm day AMA Control Line officials selected ex cellent Racing site same proximity site selected Lincoln 1979 Nats Con crete two Racing circles extremely smooth unfortunately tar spacers dried out after years exterior exposure fair amount tar disintegrated left ap proximately half-inch gaping cracks some areas Special thanks should given Racing Direc tor John McCollum crew local club Sky Knights Lincoln assisted making circles addition Art Johnson spent considerable amount time taping large cracks landing takeoff areas Racing circle prevent smaller Mouse Racers Scale Racers stumbling cracks FM Team Racing Five teams came out Mon day practiced evening hours equipment processed early Tuesday morn ing several excellent heat races flown Most competitors capable getting enough laps per tank consistent engine runs problem 80 0F temperatures day before present during 60 0F showers prevailed during Team Race qualifying heats final Knoppi/McCollum team took lackluster 1012 time followed Jed Kuzik Continued page 158 Left Open Rat winners L-R lst-5th place Shahan-Fogg team John Ballard Ken Hicks Dick Lambert Jerry Meyer Right Open Scale Race winners L-R lst-5th place Dick Lambert Larry Oziak Sr Larry Oziak Jr Ken Hicks Vic Garner Left Senior Scale Race winners L-R Mike Shahan first Todd Ballard second Randy Rich third Right Open Slow Rat winners R-L Mike Grab first Gary Crawford second Larry Dziak Jr third Larry Dziak Sr fourth 60 Model Aviation Bill Lee about apply horizontal smash starting technique Nelson 15-powered Scale Racer Note con trol lines enter wing tip through single orificefor less drag speed Event Director John McCollum R stands next PA system holds mike Sunlight streaming through fiberglasswatching race Two loudspeakers near shell Mike Shahans Fast Rat revealscenter circle let him communicate hardwood spars ribs half-lengthwith pilots over scream engines metal speed pan holds Inverted K&B 40 Mike won Senior Fast Rat Race event Name Street --- __________________________ City State2ip Old-Time Stunt unofficial event great participation 18 entries won Lou Wolgast record-breaking third time OldTimer highlighted large variety de signs numerous ignition engines Finally both coveted Concours dElegance Jack Sheeks Technical Achievement awards won Windy Urtnowskis magnificent red classic styled Ii design named simply Tra dition Nats CL Racing/Ballard Continued page 60 Mike Greb During showers final race Kuziks pilot slipped rain-slick concrete shortened final race other two competitors completed 165 160 laps re spectively Mouse Racing event predictably filled surprises Juniors Seniors did well fighting stiff 20 mph breezes Open final saw two competitors negotiating windy takeoffs Junior ranks Todd Lee Topeka KS did excellent job final 636 followed Annie Olson Fargo ND Mark Williams Senior Mouse Todd Ballard first time identical Junior winner 636 Jane Johnson second Randy Rich third Open Mouse 11 competitors stiff af ternoon breeze made some exciting racing Vic Gamer took excellent 510 fol lowed Donald Gutscher 628 Knoppi/ McCollum 638 Scale Racing good portion free day Monday spent competitors tun ing practicing official event Wed nesday stiff afternoon wind made landing takeoff practice difficult light weight machines Airspeed 1502 1606 seven laps Several competitors spent hours trying various types propellers generate var ious rpm loading engines has come impossible merely use tachometer engines interpolate airspeed minor modification propeller thickness length pitch must thoroughly tested var ious weather conditions maximum speed obtained majority entrants using Nelson 15 several also using new-style Rossi 15 two heavily modified Cox 15 engines visible well Wednesday started Out hot sunny Rac Stork let hemedloto Shipeeet New ZENOAN 6237 Cu in $23995 Ne Onodre 40 CDI 13-beoring epring enorteri $14995 Reg Onodro 40 512295 Rrieghello flywheel 95 Req Onodro 40 Pewer Aeeewhly Only pointe $5495 QUADRA ZENOAH REPAIR $1000 pine ports Jiw Messer ERcOUPEPLANS $2395 SEMI-KIT $0995 Jiw Meeeer TOMAHAWKPLANS $2395 SEMI-KIT 59995 Jiw Meese J-3 KITTENPLANS $2995 FULL-KIT $13995 WE ROBINHOOD 50 KITOSORS leone $301 WE ROBINHOOD 99 KIT$10995 leone $801 MALONEY 100 $10495ZENOAH 0-39 95 FLOATS 49 14 ecoleceres $2195 cntnplete hit $4795 1$ WWI WHEELS 5 P1K Spring Storter 5 PLANS SUPER STEARMAN lI4IGodfreyI $2895 13 TAYLORcRAFT er 13 CUB Nelito $2995 VOLKSPLANE 13 Ichichen Chorliel $2395 Sercne H-350 42 no $1295 Werld 5-16 Irg nondele $3495 Prnpe oil n/one ER TOP FLITE DYNATHRUST2S% OFF US Onodo FUELTANKS19 no $69532oo $795 FIBERGALSSARROWSHAFTS 5/16 n32 Ineg 6fnr$11 95 24Hc S Adae2tnnn n SnndenhCflckn MO JIM MESSERS QUALITY MODEL PRODUCTS Valley View Dr Bo 43 Allegany NY 14706 ing Director John McCollum brought Racing competitors together detailed talk concern ing whipping high flying etc improve communications between judges pilots center John used two loudspeakers connected PA system located just outside pilots circle speakers center circle worked quite well decibel level powerful engines made impossible hear either pit man judges shouting during racing conditions John indicated preferences running Racing events compromise agreed upon competitors present decided take top six preliminary heats se lected combining both 70-lap-heat times Junior/Senior Scale Race flown first Mike Shahan turned respectable 631 followed Todd Ballard Randy Rich Open competitors forced fly rather stiff gusty 25 mph wind Nonetheless preliminary heats excellent cutoff showed top six 308 616 combined heat times two 70-lap races final 140-lap race matched first- second-place finishers Dick Lambert Larry Dziak Both entries flying Little Quickies Larrys powered long-stack Nelson 15 Dicks late-model Rossi 15 initial start Larry beat Dick out pit After both planes air speeds nearly equal Neither plane seemed able pass other Larrys first pit stop excel lent whereas Dicks extremely slow Dick later analyzed problem having battery rheostat turned too low Gb-Bee Fireplug Halfway through 160-lap race looked Larry comfortable lead came gremlins Dick another bad pit putting Larry farther aheadbut suddenly Larrys engine started go sour came second pit stop richened up needle no avail engine refused pick back up except first few laps after last two pit stops door now open Lamberts entry turned up battery excellent third pit stop Wizard richened up needle valve againbut no avail engine still did respond end 160 laps Lambert team beat Wiz less 20 sec onds Larry felt possible cause en gines sourness bearing starting go bad causing some binding engine Lamnberts winning time too impressive 618 Larry Dziak Jr third Rat Race As mentioned earlier practice Premier Racing event confined Monday Tuesday entire morning after noon required Scale Racing too much 158 Model Aviation Puzzled CALL MATT NotluethuUd gttiglt Ill hews thee know hew 1 Complete 2 Semi-Assembled reedyto cover sanded Call Sam-U pm lEST 609-395-1672 Send prices Kits Engines accessories 2 p Mitts Model Building P0 ki 49 1 Stechtes Drive Crumhery NJ @8512 Rate cards avsilahe free SASE 4-1/89 9-1/2 also build Cars Boats ZMA HOBBY __ out date LI discard older basic RC systems can easily update adding dual rates mixing extra channels frequency changes etc need basic electrical ability simple tools Written RIG tech 10 yrs exp 142 page journal includes sources diagrams charts detailed modifications written simple under standable text Send $1995 check money order HOBBY RADIO 3001-A Kavanaugh Rd Wilson NC 27893 Phone 919 291-8548 Hobby Radio also offers professional RIG repairs mods Complete systems service battery pack servos vibration testing new frequency change etc manu facturer repairs guaranteed performed minimal turnaround Send sase price list complete services time left participants weary sunburned after day concrete Most competitors spent winter refining pitch length propellers 10%-nitro rule considerable amount testing required achieve right rpm/airspeed ratio practice fastest competitor far Vic Garners upside-down all-wood model ran fairly consistently 1106 1108 Unfortunately Vic done testing cool dry 700F air Southern California high-humidity low-90s temperature Lin coln caused him have engine overheating prob lems Fogg-Shahan team Lambert team turning approximately 1108 1109 Most other competitors running 1201 about 1205 Considerable testing done new Nel son funny plug Nelson Competition Engines now supplying funny plug 4L wire LL wire addition Nelson has de signed one-piece plug will work same hole funny plug collet holds place Competitors can choose tween one-piece two-piece plug necessity head change Several competitors tried one-piece plugs Rat usage divided equally between 4L funny plug one-piece funny plug one-piece plug has traditional ele ment also utilizes shield over bottom plug has very small peephole lead ing combustion chamber arrange ment minimizes distortion plug element Fast Rat day dawned hot extremely windy Senior entrants run first Mike Shahan being winner Open competitors flew two 70-lap heats top six going finals An excellent 70-lap preliminary time 219 turned Fogg-Shahan team particular flight team about 30 laps loner flying Most other times averaged 227 234 140-lap final race Fogg-Shahan ran unbeatable 446 Shahans competi tion Dick Lambert malfunction fuel system Shahan flew approximately 80 laps loner type situation virtually impos sible other two-up competitors over come Bailard-Lambert team second Ken Hicks brought up third spot Fogg-Shahan team certainly corrected inconsistent pitting flying working fuel system well having pilot spend some long hours weight room Slow Rat showed California contingent run ning quickest airspeeds year famous Tune-Hill 05 35 engine absent new Nelson 35 debored Supertigre 40 excellent airspeed well good pitability new-generation engine seems like Nelson one-piece funny plug air speeds Slow Rat highest recorded several years California contingent well Larry Dziak John Ballard running approxi mately 1340 140 flat Some excellent 70-lap heat races flown under extremely windy conditions top six taken finals cutoff time two 70-lap heats 507 Mike Greb sporting K&B 35 made finals slower airspeed excellent pit ting assisted Bill Lee Mike ran ex cellent 508 followed Californian Larry Crawford 60757 Larry Dziak 60762 other three finalistsGarner Bal lard Meyerall caught fire during initial start pit stop foiling chances placeTHE LEADER IN COMPETITION NEW SERIES 100 THP DESIGN P RICE DIA 299 379 479 15689 18989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION lOTO 200/s INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 55/s34149 634149 72833/s456179 833/,4568189 84566/7199 9456677A199 104586/7209 106W8W209 106EW219 114677/o77/,6229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164/sN969 16678969 B lj RC PYLON RACING SERIES 500 DIAPITCHPRICE 7SN 5/N279 8I 6/,7/,7/s8 299 SERIES 400C 866/,777289 977A751289 W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66/,778 6778 6778 67 678 November 1987 159 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes lake chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety supplies OfS6NEO & DHWIOFSO IV CHRIS FAI RUBBER Sizes 114 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube $1200 no lube Slick costs $175 Postpaid US via UPS Cal add 6tax SMALL BOX 114 lb rubber $450 size Orders up $1500 114 lb rubber mdse. add $150 UPS Over $15 add 10% CROCKET HOOKS NOW MADE BY FAg SEND $1 FAI Model Supply FOR CATALOG P0 BOX 3987 Torrance CA 90610 fUSELAGE JKI STATIONS THE BEST FUSELAGE JIG EVER PERIOD Provides Solid Support Accurate Building Rugged Construction 7 Ply Aircraft P1 ood Provides Lifetime Use Two Sizes Available Regular Fuselages Up 6 Wide Jumbo Fuselages Up 9 Wide Use Own Building Board Work Bench Base Mount Jig Station Uni-Strut Guide Rails Most Versatile Set-Up Contains Complete Hardware Instructions Including Uni-Strut Information Boxof4StandardJigStationsS1795 Boxof4JumboJigStations1995 w ftogGdRdgmog2195 Ps GATOR RIC PRODUCTS pa904-86 mm 7 m m . auu 7/N m ELECTRIC MOTOR MOUNT JTEL1 FUF4 ALL 06-10075 MOTORS ALL 035-05-IS COBALTS 895 Pt oppi ed J1EL2 25-40 Motors 1395 UGHT WEIGHT CAST AWMINUM Includas motor hold down strap screws versatile motor mount provides firm firewall mountIng popular electric motorl Mount allows exchanging motors best flIght pedormancei Motor can mounted through firewall fowad firewall proper CO balancingorto fit design plane ELECTRIC MOTOR TEST STAND PLANES S 160 Model Aviation ment top three Nelson/Supertigre 35 seems prone start ing alcohol fires during pit stops especially exhaust port open engines either ABC AAC seem stop piston top-dead-center ringedpiston Tune-Hill 35s seems ringedpiston setup will allow engine stop topdead-center whereas lapped-piston engine wants kick piston hack off compression thereby leaving exhaust port open increas ing chances alcohol fire due spilled fuel ground under plane during pit stop competitive community whole wants thank K&B Manufacturing supplying gallons 10%-nitro fuel Racing competitors use both practice competi tion Next month Ill back regular column As always solicit comments photo graphs ideas appreciated Nats CL Combat/Johnson Continued page 63 using l0%-nitrolcastor-oil combination man dated new rules though diameter engine venturi still unrestricted Most people just lowered heads engines few thousandths inch increase com pression ratio made same famil iar equipmentsuch million clones Force Rush Puppy practice-session fuel pretty lousy caused lot blown plugs poor engine set tings Rush sent model up richer usual held goodalthough ragged-sounding needle different batch official fuel used Wednesday worked better al though mechanics missed needle setting usually lean side contestant re ceived small container official fuel mix Judges fuel available case planes fuel bladder broke Don Cranfill lost good close match Jerry Sabin Slow Combat previous day extra-determined put Howard Rush away finalwhich did top finishers both SLow FAt Combat mostly usual predictable people Sabin taking Slow Pete Plunkett sixth place FAD being exceptions lot will remember Larry Hill used rather large Racing pilot could add about 10 mph plane Well Pete has ability add about much speed through turns 1AA Comhat just barrel-roll laughs Thursday featured very high winds made test flying Fast Combat model difficult Some 1ISA models wouldnt get through wind complete lap level-flying rules relaxed hopes getting some de cent matches two models got down wind like pair 200-mph Fasts blazing turns head-on passesit put both models Stealth mode since neither pilot could make Out other model flyby Jerry Sabin Griffith IL took top spot fol lowed Darren Huey Oklahoma City OK did some good flying well other Combat events Third Al Jorgensen fourth Mike Olsonboth Fargo ND Continued page 166 testing breaking companng motor& Large neat sinK clamp maKes motor run coolet Can also used boat motor mount avcidole ot hobby shop 05085 DUIECT toe hwnsdot sltrnant Check MO VIs MC COO aCceoted Add 5350 UP 5200 toe COO S II