WHATS fuss about noise Just about issue Model Aviation has something about reducing aircraft noise Competition Pat tern fliers under increasing pressure reduce noise aircraft wasnt too long ago Pattern aircraft noise levels around 110 dR Now almost nobody has problem meet ing FAts F3A class 98-dB noise require ment recent World Championships Pattern flier noise level under 88 dB difference between 110 dB 88 dB enormous remember equation dB cor rectly 6-dB decrease 50% reduction sound pressure level So sound pressure level 88 dB about 8% what 110 dB Thats major improvement Pattern fliers seem have noise problem licked So good shape right Well good shape might think According AMA records less 2000 Pattern fliers flew least contest last year 150000 AMA members fly aircraft pow ered internal combustion engines Pattern fliers probably represent less 1 % fliers aircraft make noise What being done reduce noise remaining 99% fliers aircraft AMA record reporting noise predominant factors cause clubs lose flying sites Most club fliers dont have Pattern airplane Mr Average Club Member has high-wing airplane wingspan range 56-60 its powered 40-cu-in en gine What effective way reduce noise air craft type quiet average sport air plane have lose power What good propeller use quiet 40-powered airplanes Nobody really knows because hasnt emphasis quieting type airplane What needed incentive like Pattern fliers have faced reduce noise Sport airplane fliers can reduce aircraft noise very few will invest time effort unless encouraged clubs around country will have carry load encourag ing members reduce noise However Bill Cunninghams Malibu 1 shows its exhaust tube protruding planes belly aft wing first alternate recent US FAI RC Aerobatics team Roy Speights Santa Rosa CA uses 4-bladel props Bogie FAI Pattern planes R fly quietly 44 Model Aviation Radio Control Sport Aerobatics Ron Van Putte ill Sleepy Oaks Rd Ft Walton Dead, FL 32548 Pattern planes photos share common design feature Know what have engine exhaust systems enclosed within fuselage structurea technique helps decouple systems atmosphere aids reducing level sound noise emitted planes Challenge V flown Eric Baughier Eclipse L another Pattern design featuring built-in exhaust system Jim Kimbro exposes enclosed exhaust system plane R opens up its belly pan think planes also look better hardware hidden inside Theres bound less drag too AMA must take lead establishing goals acting clearinghouse pass tech niques work Pattern airplanes used biggest noise producers club flying site days Pattern airplane will probably quietest air plane flight line 40-powered air plane inherently quieter proper emphasis same kinds techniques Pattern fliers use can applied sport airplanes really serious about reducing noise People have competed recent Nats should pay particular attention event sched ule frequency allocations years Nats recent Nats Sportsman Advanced com petition held during first three days remaining events flown during next three days year Sportsman Expert Turn around will scheduled first three days Advanced Master FAI competition held following three days addition since events scrambled frequency alkocation events has also scrambled Yoill want get radio system changed acceptable frequency get entry form early because first 10 en tries frequency will accepted may have change frequency again get entry late latest K-Factor newsletter NSRCA two items think bear reprinting first column Rick Allison NSRCA District 8 VP Rick has some serious points make humorous way wrote hear whispers wind about limiting number Pattern contestants Nats because workload judges officials too great Good grief Charlie Brown years try make event grow finally get couple decent turnouts what happens America have free market econ omy too people want something raise price spent over $1000 going Fentress Nats fly three times somebody told could toss extra say $20 fly six times four times sure would have happy somebody told could work three days wasnt flying fly free just might have done did Tn-Cities Nats creative solutions available growth problems dont depend regressive small-minded strategies bet excellent NSRCA Competition Director Greg Frohreich excellent Nats RC Category Manager K-Factor editor Betty Stream will find apply just seems year growth limit Ive just received letter lot FAI types did Larry Phillips new FAI Team Selection Committee Chairman mo mentous missive informs have serious questions posed possibly limiting number contestants 1991 Masters Tour nament little judicious calling around country check out seems indicate desire part few better-known fliers eliminate some marginal pilots make contest easier run go again accomplish has further sug gested set up network regional qual ifying contests Super What incredible bril liance never would have thought trying Continued page 146 Ideal br 4-cycle FA & AMA flying Basic Kit 5130 Pre-lab Kit 5350 Beetle uperSfar6OE Basic Kit iS1Gj Semi-built Kit I$2 Narukes Silent st 2 4- cycle Directfronu PATTERN TEK 320-H Turtle Creek Ct. Sn Jore Ct 95125 TelJ408I298-OiIi Ftxi40Sl29053t CANT HEAR SAY WHAT NEIGHIORS COMPLAINING AIRPLANE SHAKING APART LOSING YOUR FLYING SITE can make airplane QUIET Soft mount easiest & effective way VIBRA-DAMP UNIVERSAL 2-cycle engines 201061. everything included mounting Available better Hobby Dealers order direct add $175 shipping COME SEE US AT TOLEDO SHOW COMING SOON.4 cycle soft mount PERFORMANCE PRODU" E Dodge Rd Mt Morris Mi 48458 Phone VIBRA-DAMP BEAMS $2150 ALUM TABS - Visa/MG accept April 1990 45 Another First McDaniel RIO New Solid State On-Board Glow-Plug Dvers Now con drive 1 2 glow plugs efficiently ond outomalically new McDaniel On-Board Glow-Plug Drivers engine 2 4 stroke glow has 1 2 cylinders Model 471 472 On-Board Glow-Plug Driver will ease jobs starting maintaining idle during taxiing ond power down flight maneuvers FEATURES INCLUDE Servo Reversing Optically Coupled Circuitry No RFI Automatic Shutdown Via TX RX Connector Plug Battery Pack Remote Glow Plug Indicator Panels Available Separately Battery Pack AC Charger NOT Included Available Separately McDaniel R/C Inc Visa MC accepted 1654 Crofton Blvd Suite 4 Crofton MD 21114 e 301721-6303 301721-6306 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUS TOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OF GLOW PLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOARYLA TES & EPOXIES ORDER DY MAIL OR PHONE 919 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $200 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS ULTIMATE 10 DASH 300 BIPLANE QUARTER-SCALE 13 LBS 62 SPAN SUPER TIGRE 3000 POWER FIBERGLASS FUSELAGE FOAM WINGS SOLD ONLY BY RESERVATION $75 refundable deposit includes data package $15 separately Comprehensive kit$554 finished unpaieted aircraft $1550 posnerplant radio gear included SATISFACTION GUARANTEED money back Phone FAX 801-753-1971 between Sand 4 MT Visa MC check no COD PRODUCTION LIMITED eight hand-crafted individually numbered aircraft per month DAEDALUS RESEARCH INC EEEEEEEEE\ An award-winning desion labora tory creating advanced concepts militory civilian Unmanned Aerial Vehicles since 1983 surance answer doubt Beresford field dream come true local fliers hope story will encourage other modelers other commu nities press search suit able flying site RC Scale/Troy Continued page 41 machines looked too pristine after few months service lasted long Let detail work stand least 24 hours apply light coat urethane clear Pactra Formula U markets Clear Varnish gloss Cheveron Hobby Products Perfectnv Paint mar kets Dead Flat Clear obviously flat Either coatings can brushed onto model brush strokes will add models character However watch out adding too much weight youre brushing mula U Cheveron Products available through almost hobby shop eight-ounce cans brushing 16-oz spray cans job complete let clear urethane dry thoroughlyat least 72 hours before attempt ing final assembly modelthen go fury settles down will realize have produced top-notch vintage finish hardly time having invested little effort simple iron-on Mylar covering job would have required use method easier will become create illusion aged sail cloth should really want produce contestquality natural scale finish can take step further SuperShrink Coverite wood stain urethane will permit really wow judges using nothing complicated Sport Scale method have described Just apply same techniques bit deliber ately specific documented goal mind Bleriot XI-2 pictured flew several premier Scale modeling contests including Top Gun Invitational Mint Julep 1987 US Scale Masters always receiving re spectable scores Finish Markings cate gory Try method believe youll hooked good wouldnt really want plasticcoated purple Jenny nowwould finishihg method just de scribed new book Sportfliers Guide 114 Scale Kits $12995 Epoxy/Glass/Foam Construction Drawings Data Formula 120 Pylon Sport Standoff ScaleKit Price ping Credit Cards WelcomedOhio Residents Add 7% Finishing Detailing Model Airplanes pub lished Motorbooks International Its avail able hobby shops nationwide RC Aerobatics/Van Putte Continued page 45 make things easier simpler attempting find money space judges sites officials five six contests instead Nossir never would have thought myself can rec ognize really advanced idea hear Lets see now Hmmmm ybe re gional contests could almost pay themselves - fewer much higher quality contestants Masters would have pay double triple entry fee raise enough bucks send team world champs Well certainly seems small enough price pay keep elite having rub elbows ugh smelly unwashed marginal pi lots Especially since good elite sponsored manufacturers can charge whole thing off advertising anyway meantime rest us would over joyed take increased expense travel ing losing work time fly regional qualifierwouldnt mean calendar pretty full plac es cares miss friends tradi tional local event right remove require ment flying specific number five F3A events favor single regional qualifier F3A class small local affairs will shrink little Some events might die run head-to-head qualifier cares about mean would lead de creased participation F3A Team Selection Program thats what after isnt isnt Think about tn letter Larry Phillips said look ing suggestions November 30 1989 wont published time urge write will vote com ment period team selection participants ever urge take advantage op portunity record suggestions follows 1 Raise Masters entry fee $150 $100 case funds needed sup port team properly compensate reim burse judges would also apply slight brak ing pressure number entries 2 Raise number events flown qual ify five seven eight 3 Raise number upper-50% finishers qualify three four five suggestions would apply very moder Continued page iso 146 Model Aviation OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS ii IMMEDIATE SHIPMENT ON VISA/MC Faink R nC d Sho q d SASE Complvte Listing products Aerospace Composite Products PO Box 16621 Irvine CA 92714 714250-1107 I Must know hobby business people 2 Must bea capable model builder andflyer 3 Must have Business Administration Degree equivalent practical experience 4 Must have compulsion manage business profitably have nota sit posterior tell people what job will expected bookkeeping cost accounting majority sales advertising public relations work will certainly need fluent typewriter computer keyboard will expected answer djfficult letters fire nice guy isnt getting job done see dont run afoul hundreds government rules regulations will expected responsiblefrr design production except effects cost sales Pay $4000000 range Smith will give better living $10000000 New York Chicago San Francisco Send resume Duke Fox 2400 Knoxville St Fort Smith AR 72901 Fox Manutactulng Co 5305 Towson Avenue 12~yWLJ Fort Smith AR 72901 Phone 501 6461656 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT Adjustable side frames...... free-flow ventilation Extremely light weight added comfort Blocks harmful ultraviolet radiation Attractive case included ________Wraparound frame fits comfortably over prescription glasses tz mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Available in Clear shop work $1325 Amber overcast days & late afternoons S14~ Gray S14~ & Mirror S19~ sunny days CA Mask S15~ Paint Mask S2O~ member club hit prop blade thrown 60 engine close range tip blade struck Safety Plus glasses saved him serious injury possibly loss eye incident convinced everyone should wear safety glasses near model airplane engines being run upEd Saul Secretary Treasurer Pikes Peak RC Club EL Prices include shipping end handling FLU5 See hobby dealer first doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 ORDERS ONLY 1-800-842-7233 Cant US Mississippi 601 924-9640 /MO RC Aerobatics/Van Putte Continued page 146 ate pressure would tend limit entries serious among us providing slight increase revenue needed case Raising number events flown quality would have effect promoting participation FAI local level program participants changes would pose very little hardship would take little effort administer mostly consti tute change paperwork system have workable scrap instead fine tun ing makes about much sense throwing family car away because needs gas second item K-Factor Paul Vergers column NSRCA District 3 VP Paul has airplane well-known design has problems wont mention name air plane because Pauls problems typical design may result modifications made us similar prob lems can certainly empathize what Paul wrote modified airplane flew like toad Well Mike Hayden Jim Fife spent day last Saturday trying detoad thing help new whiz-bang Futaba 1024 radios After mixes adjustments readjust ments rereadjustments finally got thing good could get Did succeed making toad prince Actually what got toad life support lot better some things $700 radio wont cure moral Sometimes should just give up move cant make pig sing annoys pig RC Giant Scale/de Vries Continued page 47 6 its stupefying compendium thing youd want know subject great photographer artist Dave goes well beyond techniques wire-cutting wing cores details foam fuselages floats scale cowls fiberglass spinners built simple-tomake foam forms host foam uses large Sailplanes devotes chapter repair damaged foam wings other model parts Its book well worth studying RC Slope Soaring/Triebes Continued page 49 Sweepback Leading edge less 100 Trailing edge less 50 optimum 00 trailing edge sweephack Jetlike sweepback does en hance looping maneuvers gives pitch sta bility much same dihedral does roll Dihedral Optimum 0-2 0 Jf opt 00 dihedral remember wings will look like droop flight Add 1-2-in block under wing tip joining wing halves wings will look right air course know dihedral amounts over 5 0 will give unacceptabletoo much stability roll want roll baby right Airfoil section cant go too far wrong Eppler 374 RG-15 airfoil new Se hg 5D6060 supposed hot kind en hanced Eppler 374 Before deciding thin out airfoil think about what kind flying site youll using site tight doesnt have much operating space below crest go 9-11 % section thickness thinned airfoils tend mush out lose speed pull tight high-G maneu vers other hand intend operate fast lady big hills big lift build 75% Eppler 374 keep maneuvers big smooth fast airfoil big sky environment Wing area vs wing loading An optimum wing area between 500 550 sq greater wing area greater overall weight must arrive target wing load ing about 15-17 oz per sq ft unballasted Speed directly proportional wing load ing forget about building light Instead build strong very clean avoiding unnecessary weight tail extra ounce 150 Model Aviation WANTED Hands Business Manager REQUIREMENTS IULTIMATESPORT RC 255 East Ashland/PO Baa 727/Sada Springs Ideha 83276 If
Edition: Model Aviation - 1990/04
Page Numbers: 44, 45, 146, 150
WHATS fuss about noise Just about issue Model Aviation has something about reducing aircraft noise Competition Pat tern fliers under increasing pressure reduce noise aircraft wasnt too long ago Pattern aircraft noise levels around 110 dR Now almost nobody has problem meet ing FAts F3A class 98-dB noise require ment recent World Championships Pattern flier noise level under 88 dB difference between 110 dB 88 dB enormous remember equation dB cor rectly 6-dB decrease 50% reduction sound pressure level So sound pressure level 88 dB about 8% what 110 dB Thats major improvement Pattern fliers seem have noise problem licked So good shape right Well good shape might think According AMA records less 2000 Pattern fliers flew least contest last year 150000 AMA members fly aircraft pow ered internal combustion engines Pattern fliers probably represent less 1 % fliers aircraft make noise What being done reduce noise remaining 99% fliers aircraft AMA record reporting noise predominant factors cause clubs lose flying sites Most club fliers dont have Pattern airplane Mr Average Club Member has high-wing airplane wingspan range 56-60 its powered 40-cu-in en gine What effective way reduce noise air craft type quiet average sport air plane have lose power What good propeller use quiet 40-powered airplanes Nobody really knows because hasnt emphasis quieting type airplane What needed incentive like Pattern fliers have faced reduce noise Sport airplane fliers can reduce aircraft noise very few will invest time effort unless encouraged clubs around country will have carry load encourag ing members reduce noise However Bill Cunninghams Malibu 1 shows its exhaust tube protruding planes belly aft wing first alternate recent US FAI RC Aerobatics team Roy Speights Santa Rosa CA uses 4-bladel props Bogie FAI Pattern planes R fly quietly 44 Model Aviation Radio Control Sport Aerobatics Ron Van Putte ill Sleepy Oaks Rd Ft Walton Dead, FL 32548 Pattern planes photos share common design feature Know what have engine exhaust systems enclosed within fuselage structurea technique helps decouple systems atmosphere aids reducing level sound noise emitted planes Challenge V flown Eric Baughier Eclipse L another Pattern design featuring built-in exhaust system Jim Kimbro exposes enclosed exhaust system plane R opens up its belly pan think planes also look better hardware hidden inside Theres bound less drag too AMA must take lead establishing goals acting clearinghouse pass tech niques work Pattern airplanes used biggest noise producers club flying site days Pattern airplane will probably quietest air plane flight line 40-powered air plane inherently quieter proper emphasis same kinds techniques Pattern fliers use can applied sport airplanes really serious about reducing noise People have competed recent Nats should pay particular attention event sched ule frequency allocations years Nats recent Nats Sportsman Advanced com petition held during first three days remaining events flown during next three days year Sportsman Expert Turn around will scheduled first three days Advanced Master FAI competition held following three days addition since events scrambled frequency alkocation events has also scrambled Yoill want get radio system changed acceptable frequency get entry form early because first 10 en tries frequency will accepted may have change frequency again get entry late latest K-Factor newsletter NSRCA two items think bear reprinting first column Rick Allison NSRCA District 8 VP Rick has some serious points make humorous way wrote hear whispers wind about limiting number Pattern contestants Nats because workload judges officials too great Good grief Charlie Brown years try make event grow finally get couple decent turnouts what happens America have free market econ omy too people want something raise price spent over $1000 going Fentress Nats fly three times somebody told could toss extra say $20 fly six times four times sure would have happy somebody told could work three days wasnt flying fly free just might have done did Tn-Cities Nats creative solutions available growth problems dont depend regressive small-minded strategies bet excellent NSRCA Competition Director Greg Frohreich excellent Nats RC Category Manager K-Factor editor Betty Stream will find apply just seems year growth limit Ive just received letter lot FAI types did Larry Phillips new FAI Team Selection Committee Chairman mo mentous missive informs have serious questions posed possibly limiting number contestants 1991 Masters Tour nament little judicious calling around country check out seems indicate desire part few better-known fliers eliminate some marginal pilots make contest easier run go again accomplish has further sug gested set up network regional qual ifying contests Super What incredible bril liance never would have thought trying Continued page 146 Ideal br 4-cycle FA & AMA flying Basic Kit 5130 Pre-lab Kit 5350 Beetle uperSfar6OE Basic Kit iS1Gj Semi-built Kit I$2 Narukes Silent st 2 4- cycle Directfronu PATTERN TEK 320-H Turtle Creek Ct. Sn Jore Ct 95125 TelJ408I298-OiIi Ftxi40Sl29053t CANT HEAR SAY WHAT NEIGHIORS COMPLAINING AIRPLANE SHAKING APART LOSING YOUR FLYING SITE can make airplane QUIET Soft mount easiest & effective way VIBRA-DAMP UNIVERSAL 2-cycle engines 201061. everything included mounting Available better Hobby Dealers order direct add $175 shipping COME SEE US AT TOLEDO SHOW COMING SOON.4 cycle soft mount PERFORMANCE PRODU" E Dodge Rd Mt Morris Mi 48458 Phone VIBRA-DAMP BEAMS $2150 ALUM TABS - Visa/MG accept April 1990 45 Another First McDaniel RIO New Solid State On-Board Glow-Plug Dvers Now con drive 1 2 glow plugs efficiently ond outomalically new McDaniel On-Board Glow-Plug Drivers engine 2 4 stroke glow has 1 2 cylinders Model 471 472 On-Board Glow-Plug Driver will ease jobs starting maintaining idle during taxiing ond power down flight maneuvers FEATURES INCLUDE Servo Reversing Optically Coupled Circuitry No RFI Automatic Shutdown Via TX RX Connector Plug Battery Pack Remote Glow Plug Indicator Panels Available Separately Battery Pack AC Charger NOT Included Available Separately McDaniel R/C Inc Visa MC accepted 1654 Crofton Blvd Suite 4 Crofton MD 21114 e 301721-6303 301721-6306 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUS TOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OF GLOW PLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOARYLA TES & EPOXIES ORDER DY MAIL OR PHONE 919 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $200 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS ULTIMATE 10 DASH 300 BIPLANE QUARTER-SCALE 13 LBS 62 SPAN SUPER TIGRE 3000 POWER FIBERGLASS FUSELAGE FOAM WINGS SOLD ONLY BY RESERVATION $75 refundable deposit includes data package $15 separately Comprehensive kit$554 finished unpaieted aircraft $1550 posnerplant radio gear included SATISFACTION GUARANTEED money back Phone FAX 801-753-1971 between Sand 4 MT Visa MC check no COD PRODUCTION LIMITED eight hand-crafted individually numbered aircraft per month DAEDALUS RESEARCH INC EEEEEEEEE\ An award-winning desion labora tory creating advanced concepts militory civilian Unmanned Aerial Vehicles since 1983 surance answer doubt Beresford field dream come true local fliers hope story will encourage other modelers other commu nities press search suit able flying site RC Scale/Troy Continued page 41 machines looked too pristine after few months service lasted long Let detail work stand least 24 hours apply light coat urethane clear Pactra Formula U markets Clear Varnish gloss Cheveron Hobby Products Perfectnv Paint mar kets Dead Flat Clear obviously flat Either coatings can brushed onto model brush strokes will add models character However watch out adding too much weight youre brushing mula U Cheveron Products available through almost hobby shop eight-ounce cans brushing 16-oz spray cans job complete let clear urethane dry thoroughlyat least 72 hours before attempt ing final assembly modelthen go fury settles down will realize have produced top-notch vintage finish hardly time having invested little effort simple iron-on Mylar covering job would have required use method easier will become create illusion aged sail cloth should really want produce contestquality natural scale finish can take step further SuperShrink Coverite wood stain urethane will permit really wow judges using nothing complicated Sport Scale method have described Just apply same techniques bit deliber ately specific documented goal mind Bleriot XI-2 pictured flew several premier Scale modeling contests including Top Gun Invitational Mint Julep 1987 US Scale Masters always receiving re spectable scores Finish Markings cate gory Try method believe youll hooked good wouldnt really want plasticcoated purple Jenny nowwould finishihg method just de scribed new book Sportfliers Guide 114 Scale Kits $12995 Epoxy/Glass/Foam Construction Drawings Data Formula 120 Pylon Sport Standoff ScaleKit Price ping Credit Cards WelcomedOhio Residents Add 7% Finishing Detailing Model Airplanes pub lished Motorbooks International Its avail able hobby shops nationwide RC Aerobatics/Van Putte Continued page 45 make things easier simpler attempting find money space judges sites officials five six contests instead Nossir never would have thought myself can rec ognize really advanced idea hear Lets see now Hmmmm ybe re gional contests could almost pay themselves - fewer much higher quality contestants Masters would have pay double triple entry fee raise enough bucks send team world champs Well certainly seems small enough price pay keep elite having rub elbows ugh smelly unwashed marginal pi lots Especially since good elite sponsored manufacturers can charge whole thing off advertising anyway meantime rest us would over joyed take increased expense travel ing losing work time fly regional qualifierwouldnt mean calendar pretty full plac es cares miss friends tradi tional local event right remove require ment flying specific number five F3A events favor single regional qualifier F3A class small local affairs will shrink little Some events might die run head-to-head qualifier cares about mean would lead de creased participation F3A Team Selection Program thats what after isnt isnt Think about tn letter Larry Phillips said look ing suggestions November 30 1989 wont published time urge write will vote com ment period team selection participants ever urge take advantage op portunity record suggestions follows 1 Raise Masters entry fee $150 $100 case funds needed sup port team properly compensate reim burse judges would also apply slight brak ing pressure number entries 2 Raise number events flown qual ify five seven eight 3 Raise number upper-50% finishers qualify three four five suggestions would apply very moder Continued page iso 146 Model Aviation OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS ii IMMEDIATE SHIPMENT ON VISA/MC Faink R nC d Sho q d SASE Complvte Listing products Aerospace Composite Products PO Box 16621 Irvine CA 92714 714250-1107 I Must know hobby business people 2 Must bea capable model builder andflyer 3 Must have Business Administration Degree equivalent practical experience 4 Must have compulsion manage business profitably have nota sit posterior tell people what job will expected bookkeeping cost accounting majority sales advertising public relations work will certainly need fluent typewriter computer keyboard will expected answer djfficult letters fire nice guy isnt getting job done see dont run afoul hundreds government rules regulations will expected responsiblefrr design production except effects cost sales Pay $4000000 range Smith will give better living $10000000 New York Chicago San Francisco Send resume Duke Fox 2400 Knoxville St Fort Smith AR 72901 Fox Manutactulng Co 5305 Towson Avenue 12~yWLJ Fort Smith AR 72901 Phone 501 6461656 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT Adjustable side frames...... free-flow ventilation Extremely light weight added comfort Blocks harmful ultraviolet radiation Attractive case included ________Wraparound frame fits comfortably over prescription glasses tz mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Available in Clear shop work $1325 Amber overcast days & late afternoons S14~ Gray S14~ & Mirror S19~ sunny days CA Mask S15~ Paint Mask S2O~ member club hit prop blade thrown 60 engine close range tip blade struck Safety Plus glasses saved him serious injury possibly loss eye incident convinced everyone should wear safety glasses near model airplane engines being run upEd Saul Secretary Treasurer Pikes Peak RC Club EL Prices include shipping end handling FLU5 See hobby dealer first doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 ORDERS ONLY 1-800-842-7233 Cant US Mississippi 601 924-9640 /MO RC Aerobatics/Van Putte Continued page 146 ate pressure would tend limit entries serious among us providing slight increase revenue needed case Raising number events flown quality would have effect promoting participation FAI local level program participants changes would pose very little hardship would take little effort administer mostly consti tute change paperwork system have workable scrap instead fine tun ing makes about much sense throwing family car away because needs gas second item K-Factor Paul Vergers column NSRCA District 3 VP Paul has airplane well-known design has problems wont mention name air plane because Pauls problems typical design may result modifications made us similar prob lems can certainly empathize what Paul wrote modified airplane flew like toad Well Mike Hayden Jim Fife spent day last Saturday trying detoad thing help new whiz-bang Futaba 1024 radios After mixes adjustments readjust ments rereadjustments finally got thing good could get Did succeed making toad prince Actually what got toad life support lot better some things $700 radio wont cure moral Sometimes should just give up move cant make pig sing annoys pig RC Giant Scale/de Vries Continued page 47 6 its stupefying compendium thing youd want know subject great photographer artist Dave goes well beyond techniques wire-cutting wing cores details foam fuselages floats scale cowls fiberglass spinners built simple-tomake foam forms host foam uses large Sailplanes devotes chapter repair damaged foam wings other model parts Its book well worth studying RC Slope Soaring/Triebes Continued page 49 Sweepback Leading edge less 100 Trailing edge less 50 optimum 00 trailing edge sweephack Jetlike sweepback does en hance looping maneuvers gives pitch sta bility much same dihedral does roll Dihedral Optimum 0-2 0 Jf opt 00 dihedral remember wings will look like droop flight Add 1-2-in block under wing tip joining wing halves wings will look right air course know dihedral amounts over 5 0 will give unacceptabletoo much stability roll want roll baby right Airfoil section cant go too far wrong Eppler 374 RG-15 airfoil new Se hg 5D6060 supposed hot kind en hanced Eppler 374 Before deciding thin out airfoil think about what kind flying site youll using site tight doesnt have much operating space below crest go 9-11 % section thickness thinned airfoils tend mush out lose speed pull tight high-G maneu vers other hand intend operate fast lady big hills big lift build 75% Eppler 374 keep maneuvers big smooth fast airfoil big sky environment Wing area vs wing loading An optimum wing area between 500 550 sq greater wing area greater overall weight must arrive target wing load ing about 15-17 oz per sq ft unballasted Speed directly proportional wing load ing forget about building light Instead build strong very clean avoiding unnecessary weight tail extra ounce 150 Model Aviation WANTED Hands Business Manager REQUIREMENTS IULTIMATESPORT RC 255 East Ashland/PO Baa 727/Sada Springs Ideha 83276 If
Edition: Model Aviation - 1990/04
Page Numbers: 44, 45, 146, 150
WHATS fuss about noise Just about issue Model Aviation has something about reducing aircraft noise Competition Pat tern fliers under increasing pressure reduce noise aircraft wasnt too long ago Pattern aircraft noise levels around 110 dR Now almost nobody has problem meet ing FAts F3A class 98-dB noise require ment recent World Championships Pattern flier noise level under 88 dB difference between 110 dB 88 dB enormous remember equation dB cor rectly 6-dB decrease 50% reduction sound pressure level So sound pressure level 88 dB about 8% what 110 dB Thats major improvement Pattern fliers seem have noise problem licked So good shape right Well good shape might think According AMA records less 2000 Pattern fliers flew least contest last year 150000 AMA members fly aircraft pow ered internal combustion engines Pattern fliers probably represent less 1 % fliers aircraft make noise What being done reduce noise remaining 99% fliers aircraft AMA record reporting noise predominant factors cause clubs lose flying sites Most club fliers dont have Pattern airplane Mr Average Club Member has high-wing airplane wingspan range 56-60 its powered 40-cu-in en gine What effective way reduce noise air craft type quiet average sport air plane have lose power What good propeller use quiet 40-powered airplanes Nobody really knows because hasnt emphasis quieting type airplane What needed incentive like Pattern fliers have faced reduce noise Sport airplane fliers can reduce aircraft noise very few will invest time effort unless encouraged clubs around country will have carry load encourag ing members reduce noise However Bill Cunninghams Malibu 1 shows its exhaust tube protruding planes belly aft wing first alternate recent US FAI RC Aerobatics team Roy Speights Santa Rosa CA uses 4-bladel props Bogie FAI Pattern planes R fly quietly 44 Model Aviation Radio Control Sport Aerobatics Ron Van Putte ill Sleepy Oaks Rd Ft Walton Dead, FL 32548 Pattern planes photos share common design feature Know what have engine exhaust systems enclosed within fuselage structurea technique helps decouple systems atmosphere aids reducing level sound noise emitted planes Challenge V flown Eric Baughier Eclipse L another Pattern design featuring built-in exhaust system Jim Kimbro exposes enclosed exhaust system plane R opens up its belly pan think planes also look better hardware hidden inside Theres bound less drag too AMA must take lead establishing goals acting clearinghouse pass tech niques work Pattern airplanes used biggest noise producers club flying site days Pattern airplane will probably quietest air plane flight line 40-powered air plane inherently quieter proper emphasis same kinds techniques Pattern fliers use can applied sport airplanes really serious about reducing noise People have competed recent Nats should pay particular attention event sched ule frequency allocations years Nats recent Nats Sportsman Advanced com petition held during first three days remaining events flown during next three days year Sportsman Expert Turn around will scheduled first three days Advanced Master FAI competition held following three days addition since events scrambled frequency alkocation events has also scrambled Yoill want get radio system changed acceptable frequency get entry form early because first 10 en tries frequency will accepted may have change frequency again get entry late latest K-Factor newsletter NSRCA two items think bear reprinting first column Rick Allison NSRCA District 8 VP Rick has some serious points make humorous way wrote hear whispers wind about limiting number Pattern contestants Nats because workload judges officials too great Good grief Charlie Brown years try make event grow finally get couple decent turnouts what happens America have free market econ omy too people want something raise price spent over $1000 going Fentress Nats fly three times somebody told could toss extra say $20 fly six times four times sure would have happy somebody told could work three days wasnt flying fly free just might have done did Tn-Cities Nats creative solutions available growth problems dont depend regressive small-minded strategies bet excellent NSRCA Competition Director Greg Frohreich excellent Nats RC Category Manager K-Factor editor Betty Stream will find apply just seems year growth limit Ive just received letter lot FAI types did Larry Phillips new FAI Team Selection Committee Chairman mo mentous missive informs have serious questions posed possibly limiting number contestants 1991 Masters Tour nament little judicious calling around country check out seems indicate desire part few better-known fliers eliminate some marginal pilots make contest easier run go again accomplish has further sug gested set up network regional qual ifying contests Super What incredible bril liance never would have thought trying Continued page 146 Ideal br 4-cycle FA & AMA flying Basic Kit 5130 Pre-lab Kit 5350 Beetle uperSfar6OE Basic Kit iS1Gj Semi-built Kit I$2 Narukes Silent st 2 4- cycle Directfronu PATTERN TEK 320-H Turtle Creek Ct. Sn Jore Ct 95125 TelJ408I298-OiIi Ftxi40Sl29053t CANT HEAR SAY WHAT NEIGHIORS COMPLAINING AIRPLANE SHAKING APART LOSING YOUR FLYING SITE can make airplane QUIET Soft mount easiest & effective way VIBRA-DAMP UNIVERSAL 2-cycle engines 201061. everything included mounting Available better Hobby Dealers order direct add $175 shipping COME SEE US AT TOLEDO SHOW COMING SOON.4 cycle soft mount PERFORMANCE PRODU" E Dodge Rd Mt Morris Mi 48458 Phone VIBRA-DAMP BEAMS $2150 ALUM TABS - Visa/MG accept April 1990 45 Another First McDaniel RIO New Solid State On-Board Glow-Plug Dvers Now con drive 1 2 glow plugs efficiently ond outomalically new McDaniel On-Board Glow-Plug Drivers engine 2 4 stroke glow has 1 2 cylinders Model 471 472 On-Board Glow-Plug Driver will ease jobs starting maintaining idle during taxiing ond power down flight maneuvers FEATURES INCLUDE Servo Reversing Optically Coupled Circuitry No RFI Automatic Shutdown Via TX RX Connector Plug Battery Pack Remote Glow Plug Indicator Panels Available Separately Battery Pack AC Charger NOT Included Available Separately McDaniel R/C Inc Visa MC accepted 1654 Crofton Blvd Suite 4 Crofton MD 21114 e 301721-6303 301721-6306 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUS TOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OF GLOW PLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOARYLA TES & EPOXIES ORDER DY MAIL OR PHONE 919 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $200 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS ULTIMATE 10 DASH 300 BIPLANE QUARTER-SCALE 13 LBS 62 SPAN SUPER TIGRE 3000 POWER FIBERGLASS FUSELAGE FOAM WINGS SOLD ONLY BY RESERVATION $75 refundable deposit includes data package $15 separately Comprehensive kit$554 finished unpaieted aircraft $1550 posnerplant radio gear included SATISFACTION GUARANTEED money back Phone FAX 801-753-1971 between Sand 4 MT Visa MC check no COD PRODUCTION LIMITED eight hand-crafted individually numbered aircraft per month DAEDALUS RESEARCH INC EEEEEEEEE\ An award-winning desion labora tory creating advanced concepts militory civilian Unmanned Aerial Vehicles since 1983 surance answer doubt Beresford field dream come true local fliers hope story will encourage other modelers other commu nities press search suit able flying site RC Scale/Troy Continued page 41 machines looked too pristine after few months service lasted long Let detail work stand least 24 hours apply light coat urethane clear Pactra Formula U markets Clear Varnish gloss Cheveron Hobby Products Perfectnv Paint mar kets Dead Flat Clear obviously flat Either coatings can brushed onto model brush strokes will add models character However watch out adding too much weight youre brushing mula U Cheveron Products available through almost hobby shop eight-ounce cans brushing 16-oz spray cans job complete let clear urethane dry thoroughlyat least 72 hours before attempt ing final assembly modelthen go fury settles down will realize have produced top-notch vintage finish hardly time having invested little effort simple iron-on Mylar covering job would have required use method easier will become create illusion aged sail cloth should really want produce contestquality natural scale finish can take step further SuperShrink Coverite wood stain urethane will permit really wow judges using nothing complicated Sport Scale method have described Just apply same techniques bit deliber ately specific documented goal mind Bleriot XI-2 pictured flew several premier Scale modeling contests including Top Gun Invitational Mint Julep 1987 US Scale Masters always receiving re spectable scores Finish Markings cate gory Try method believe youll hooked good wouldnt really want plasticcoated purple Jenny nowwould finishihg method just de scribed new book Sportfliers Guide 114 Scale Kits $12995 Epoxy/Glass/Foam Construction Drawings Data Formula 120 Pylon Sport Standoff ScaleKit Price ping Credit Cards WelcomedOhio Residents Add 7% Finishing Detailing Model Airplanes pub lished Motorbooks International Its avail able hobby shops nationwide RC Aerobatics/Van Putte Continued page 45 make things easier simpler attempting find money space judges sites officials five six contests instead Nossir never would have thought myself can rec ognize really advanced idea hear Lets see now Hmmmm ybe re gional contests could almost pay themselves - fewer much higher quality contestants Masters would have pay double triple entry fee raise enough bucks send team world champs Well certainly seems small enough price pay keep elite having rub elbows ugh smelly unwashed marginal pi lots Especially since good elite sponsored manufacturers can charge whole thing off advertising anyway meantime rest us would over joyed take increased expense travel ing losing work time fly regional qualifierwouldnt mean calendar pretty full plac es cares miss friends tradi tional local event right remove require ment flying specific number five F3A events favor single regional qualifier F3A class small local affairs will shrink little Some events might die run head-to-head qualifier cares about mean would lead de creased participation F3A Team Selection Program thats what after isnt isnt Think about tn letter Larry Phillips said look ing suggestions November 30 1989 wont published time urge write will vote com ment period team selection participants ever urge take advantage op portunity record suggestions follows 1 Raise Masters entry fee $150 $100 case funds needed sup port team properly compensate reim burse judges would also apply slight brak ing pressure number entries 2 Raise number events flown qual ify five seven eight 3 Raise number upper-50% finishers qualify three four five suggestions would apply very moder Continued page iso 146 Model Aviation OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS ii IMMEDIATE SHIPMENT ON VISA/MC Faink R nC d Sho q d SASE Complvte Listing products Aerospace Composite Products PO Box 16621 Irvine CA 92714 714250-1107 I Must know hobby business people 2 Must bea capable model builder andflyer 3 Must have Business Administration Degree equivalent practical experience 4 Must have compulsion manage business profitably have nota sit posterior tell people what job will expected bookkeeping cost accounting majority sales advertising public relations work will certainly need fluent typewriter computer keyboard will expected answer djfficult letters fire nice guy isnt getting job done see dont run afoul hundreds government rules regulations will expected responsiblefrr design production except effects cost sales Pay $4000000 range Smith will give better living $10000000 New York Chicago San Francisco Send resume Duke Fox 2400 Knoxville St Fort Smith AR 72901 Fox Manutactulng Co 5305 Towson Avenue 12~yWLJ Fort Smith AR 72901 Phone 501 6461656 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT Adjustable side frames...... free-flow ventilation Extremely light weight added comfort Blocks harmful ultraviolet radiation Attractive case included ________Wraparound frame fits comfortably over prescription glasses tz mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Available in Clear shop work $1325 Amber overcast days & late afternoons S14~ Gray S14~ & Mirror S19~ sunny days CA Mask S15~ Paint Mask S2O~ member club hit prop blade thrown 60 engine close range tip blade struck Safety Plus glasses saved him serious injury possibly loss eye incident convinced everyone should wear safety glasses near model airplane engines being run upEd Saul Secretary Treasurer Pikes Peak RC Club EL Prices include shipping end handling FLU5 See hobby dealer first doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 ORDERS ONLY 1-800-842-7233 Cant US Mississippi 601 924-9640 /MO RC Aerobatics/Van Putte Continued page 146 ate pressure would tend limit entries serious among us providing slight increase revenue needed case Raising number events flown quality would have effect promoting participation FAI local level program participants changes would pose very little hardship would take little effort administer mostly consti tute change paperwork system have workable scrap instead fine tun ing makes about much sense throwing family car away because needs gas second item K-Factor Paul Vergers column NSRCA District 3 VP Paul has airplane well-known design has problems wont mention name air plane because Pauls problems typical design may result modifications made us similar prob lems can certainly empathize what Paul wrote modified airplane flew like toad Well Mike Hayden Jim Fife spent day last Saturday trying detoad thing help new whiz-bang Futaba 1024 radios After mixes adjustments readjust ments rereadjustments finally got thing good could get Did succeed making toad prince Actually what got toad life support lot better some things $700 radio wont cure moral Sometimes should just give up move cant make pig sing annoys pig RC Giant Scale/de Vries Continued page 47 6 its stupefying compendium thing youd want know subject great photographer artist Dave goes well beyond techniques wire-cutting wing cores details foam fuselages floats scale cowls fiberglass spinners built simple-tomake foam forms host foam uses large Sailplanes devotes chapter repair damaged foam wings other model parts Its book well worth studying RC Slope Soaring/Triebes Continued page 49 Sweepback Leading edge less 100 Trailing edge less 50 optimum 00 trailing edge sweephack Jetlike sweepback does en hance looping maneuvers gives pitch sta bility much same dihedral does roll Dihedral Optimum 0-2 0 Jf opt 00 dihedral remember wings will look like droop flight Add 1-2-in block under wing tip joining wing halves wings will look right air course know dihedral amounts over 5 0 will give unacceptabletoo much stability roll want roll baby right Airfoil section cant go too far wrong Eppler 374 RG-15 airfoil new Se hg 5D6060 supposed hot kind en hanced Eppler 374 Before deciding thin out airfoil think about what kind flying site youll using site tight doesnt have much operating space below crest go 9-11 % section thickness thinned airfoils tend mush out lose speed pull tight high-G maneu vers other hand intend operate fast lady big hills big lift build 75% Eppler 374 keep maneuvers big smooth fast airfoil big sky environment Wing area vs wing loading An optimum wing area between 500 550 sq greater wing area greater overall weight must arrive target wing load ing about 15-17 oz per sq ft unballasted Speed directly proportional wing load ing forget about building light Instead build strong very clean avoiding unnecessary weight tail extra ounce 150 Model Aviation WANTED Hands Business Manager REQUIREMENTS IULTIMATESPORT RC 255 East Ashland/PO Baa 727/Sada Springs Ideha 83276 If
Edition: Model Aviation - 1990/04
Page Numbers: 44, 45, 146, 150
WHATS fuss about noise Just about issue Model Aviation has something about reducing aircraft noise Competition Pat tern fliers under increasing pressure reduce noise aircraft wasnt too long ago Pattern aircraft noise levels around 110 dR Now almost nobody has problem meet ing FAts F3A class 98-dB noise require ment recent World Championships Pattern flier noise level under 88 dB difference between 110 dB 88 dB enormous remember equation dB cor rectly 6-dB decrease 50% reduction sound pressure level So sound pressure level 88 dB about 8% what 110 dB Thats major improvement Pattern fliers seem have noise problem licked So good shape right Well good shape might think According AMA records less 2000 Pattern fliers flew least contest last year 150000 AMA members fly aircraft pow ered internal combustion engines Pattern fliers probably represent less 1 % fliers aircraft make noise What being done reduce noise remaining 99% fliers aircraft AMA record reporting noise predominant factors cause clubs lose flying sites Most club fliers dont have Pattern airplane Mr Average Club Member has high-wing airplane wingspan range 56-60 its powered 40-cu-in en gine What effective way reduce noise air craft type quiet average sport air plane have lose power What good propeller use quiet 40-powered airplanes Nobody really knows because hasnt emphasis quieting type airplane What needed incentive like Pattern fliers have faced reduce noise Sport airplane fliers can reduce aircraft noise very few will invest time effort unless encouraged clubs around country will have carry load encourag ing members reduce noise However Bill Cunninghams Malibu 1 shows its exhaust tube protruding planes belly aft wing first alternate recent US FAI RC Aerobatics team Roy Speights Santa Rosa CA uses 4-bladel props Bogie FAI Pattern planes R fly quietly 44 Model Aviation Radio Control Sport Aerobatics Ron Van Putte ill Sleepy Oaks Rd Ft Walton Dead, FL 32548 Pattern planes photos share common design feature Know what have engine exhaust systems enclosed within fuselage structurea technique helps decouple systems atmosphere aids reducing level sound noise emitted planes Challenge V flown Eric Baughier Eclipse L another Pattern design featuring built-in exhaust system Jim Kimbro exposes enclosed exhaust system plane R opens up its belly pan think planes also look better hardware hidden inside Theres bound less drag too AMA must take lead establishing goals acting clearinghouse pass tech niques work Pattern airplanes used biggest noise producers club flying site days Pattern airplane will probably quietest air plane flight line 40-powered air plane inherently quieter proper emphasis same kinds techniques Pattern fliers use can applied sport airplanes really serious about reducing noise People have competed recent Nats should pay particular attention event sched ule frequency allocations years Nats recent Nats Sportsman Advanced com petition held during first three days remaining events flown during next three days year Sportsman Expert Turn around will scheduled first three days Advanced Master FAI competition held following three days addition since events scrambled frequency alkocation events has also scrambled Yoill want get radio system changed acceptable frequency get entry form early because first 10 en tries frequency will accepted may have change frequency again get entry late latest K-Factor newsletter NSRCA two items think bear reprinting first column Rick Allison NSRCA District 8 VP Rick has some serious points make humorous way wrote hear whispers wind about limiting number Pattern contestants Nats because workload judges officials too great Good grief Charlie Brown years try make event grow finally get couple decent turnouts what happens America have free market econ omy too people want something raise price spent over $1000 going Fentress Nats fly three times somebody told could toss extra say $20 fly six times four times sure would have happy somebody told could work three days wasnt flying fly free just might have done did Tn-Cities Nats creative solutions available growth problems dont depend regressive small-minded strategies bet excellent NSRCA Competition Director Greg Frohreich excellent Nats RC Category Manager K-Factor editor Betty Stream will find apply just seems year growth limit Ive just received letter lot FAI types did Larry Phillips new FAI Team Selection Committee Chairman mo mentous missive informs have serious questions posed possibly limiting number contestants 1991 Masters Tour nament little judicious calling around country check out seems indicate desire part few better-known fliers eliminate some marginal pilots make contest easier run go again accomplish has further sug gested set up network regional qual ifying contests Super What incredible bril liance never would have thought trying Continued page 146 Ideal br 4-cycle FA & AMA flying Basic Kit 5130 Pre-lab Kit 5350 Beetle uperSfar6OE Basic Kit iS1Gj Semi-built Kit I$2 Narukes Silent st 2 4- cycle Directfronu PATTERN TEK 320-H Turtle Creek Ct. Sn Jore Ct 95125 TelJ408I298-OiIi Ftxi40Sl29053t CANT HEAR SAY WHAT NEIGHIORS COMPLAINING AIRPLANE SHAKING APART LOSING YOUR FLYING SITE can make airplane QUIET Soft mount easiest & effective way VIBRA-DAMP UNIVERSAL 2-cycle engines 201061. everything included mounting Available better Hobby Dealers order direct add $175 shipping COME SEE US AT TOLEDO SHOW COMING SOON.4 cycle soft mount PERFORMANCE PRODU" E Dodge Rd Mt Morris Mi 48458 Phone VIBRA-DAMP BEAMS $2150 ALUM TABS - Visa/MG accept April 1990 45 Another First McDaniel RIO New Solid State On-Board Glow-Plug Dvers Now con drive 1 2 glow plugs efficiently ond outomalically new McDaniel On-Board Glow-Plug Drivers engine 2 4 stroke glow has 1 2 cylinders Model 471 472 On-Board Glow-Plug Driver will ease jobs starting maintaining idle during taxiing ond power down flight maneuvers FEATURES INCLUDE Servo Reversing Optically Coupled Circuitry No RFI Automatic Shutdown Via TX RX Connector Plug Battery Pack Remote Glow Plug Indicator Panels Available Separately Battery Pack AC Charger NOT Included Available Separately McDaniel R/C Inc Visa MC accepted 1654 Crofton Blvd Suite 4 Crofton MD 21114 e 301721-6303 301721-6306 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUS TOM & STOCK PARTS VAILABLE INDIVIDUALLY COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OF GLOW PLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOARYLA TES & EPOXIES ORDER DY MAIL OR PHONE 919 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $200 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS ULTIMATE 10 DASH 300 BIPLANE QUARTER-SCALE 13 LBS 62 SPAN SUPER TIGRE 3000 POWER FIBERGLASS FUSELAGE FOAM WINGS SOLD ONLY BY RESERVATION $75 refundable deposit includes data package $15 separately Comprehensive kit$554 finished unpaieted aircraft $1550 posnerplant radio gear included SATISFACTION GUARANTEED money back Phone FAX 801-753-1971 between Sand 4 MT Visa MC check no COD PRODUCTION LIMITED eight hand-crafted individually numbered aircraft per month DAEDALUS RESEARCH INC EEEEEEEEE\ An award-winning desion labora tory creating advanced concepts militory civilian Unmanned Aerial Vehicles since 1983 surance answer doubt Beresford field dream come true local fliers hope story will encourage other modelers other commu nities press search suit able flying site RC Scale/Troy Continued page 41 machines looked too pristine after few months service lasted long Let detail work stand least 24 hours apply light coat urethane clear Pactra Formula U markets Clear Varnish gloss Cheveron Hobby Products Perfectnv Paint mar kets Dead Flat Clear obviously flat Either coatings can brushed onto model brush strokes will add models character However watch out adding too much weight youre brushing mula U Cheveron Products available through almost hobby shop eight-ounce cans brushing 16-oz spray cans job complete let clear urethane dry thoroughlyat least 72 hours before attempt ing final assembly modelthen go fury settles down will realize have produced top-notch vintage finish hardly time having invested little effort simple iron-on Mylar covering job would have required use method easier will become create illusion aged sail cloth should really want produce contestquality natural scale finish can take step further SuperShrink Coverite wood stain urethane will permit really wow judges using nothing complicated Sport Scale method have described Just apply same techniques bit deliber ately specific documented goal mind Bleriot XI-2 pictured flew several premier Scale modeling contests including Top Gun Invitational Mint Julep 1987 US Scale Masters always receiving re spectable scores Finish Markings cate gory Try method believe youll hooked good wouldnt really want plasticcoated purple Jenny nowwould finishihg method just de scribed new book Sportfliers Guide 114 Scale Kits $12995 Epoxy/Glass/Foam Construction Drawings Data Formula 120 Pylon Sport Standoff ScaleKit Price ping Credit Cards WelcomedOhio Residents Add 7% Finishing Detailing Model Airplanes pub lished Motorbooks International Its avail able hobby shops nationwide RC Aerobatics/Van Putte Continued page 45 make things easier simpler attempting find money space judges sites officials five six contests instead Nossir never would have thought myself can rec ognize really advanced idea hear Lets see now Hmmmm ybe re gional contests could almost pay themselves - fewer much higher quality contestants Masters would have pay double triple entry fee raise enough bucks send team world champs Well certainly seems small enough price pay keep elite having rub elbows ugh smelly unwashed marginal pi lots Especially since good elite sponsored manufacturers can charge whole thing off advertising anyway meantime rest us would over joyed take increased expense travel ing losing work time fly regional qualifierwouldnt mean calendar pretty full plac es cares miss friends tradi tional local event right remove require ment flying specific number five F3A events favor single regional qualifier F3A class small local affairs will shrink little Some events might die run head-to-head qualifier cares about mean would lead de creased participation F3A Team Selection Program thats what after isnt isnt Think about tn letter Larry Phillips said look ing suggestions November 30 1989 wont published time urge write will vote com ment period team selection participants ever urge take advantage op portunity record suggestions follows 1 Raise Masters entry fee $150 $100 case funds needed sup port team properly compensate reim burse judges would also apply slight brak ing pressure number entries 2 Raise number events flown qual ify five seven eight 3 Raise number upper-50% finishers qualify three four five suggestions would apply very moder Continued page iso 146 Model Aviation OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS ii IMMEDIATE SHIPMENT ON VISA/MC Faink R nC d Sho q d SASE Complvte Listing products Aerospace Composite Products PO Box 16621 Irvine CA 92714 714250-1107 I Must know hobby business people 2 Must bea capable model builder andflyer 3 Must have Business Administration Degree equivalent practical experience 4 Must have compulsion manage business profitably have nota sit posterior tell people what job will expected bookkeeping cost accounting majority sales advertising public relations work will certainly need fluent typewriter computer keyboard will expected answer djfficult letters fire nice guy isnt getting job done see dont run afoul hundreds government rules regulations will expected responsiblefrr design production except effects cost sales Pay $4000000 range Smith will give better living $10000000 New York Chicago San Francisco Send resume Duke Fox 2400 Knoxville St Fort Smith AR 72901 Fox Manutactulng Co 5305 Towson Avenue 12~yWLJ Fort Smith AR 72901 Phone 501 6461656 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT Adjustable side frames...... free-flow ventilation Extremely light weight added comfort Blocks harmful ultraviolet radiation Attractive case included ________Wraparound frame fits comfortably over prescription glasses tz mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Available in Clear shop work $1325 Amber overcast days & late afternoons S14~ Gray S14~ & Mirror S19~ sunny days CA Mask S15~ Paint Mask S2O~ member club hit prop blade thrown 60 engine close range tip blade struck Safety Plus glasses saved him serious injury possibly loss eye incident convinced everyone should wear safety glasses near model airplane engines being run upEd Saul Secretary Treasurer Pikes Peak RC Club EL Prices include shipping end handling FLU5 See hobby dealer first doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 ORDERS ONLY 1-800-842-7233 Cant US Mississippi 601 924-9640 /MO RC Aerobatics/Van Putte Continued page 146 ate pressure would tend limit entries serious among us providing slight increase revenue needed case Raising number events flown quality would have effect promoting participation FAI local level program participants changes would pose very little hardship would take little effort administer mostly consti tute change paperwork system have workable scrap instead fine tun ing makes about much sense throwing family car away because needs gas second item K-Factor Paul Vergers column NSRCA District 3 VP Paul has airplane well-known design has problems wont mention name air plane because Pauls problems typical design may result modifications made us similar prob lems can certainly empathize what Paul wrote modified airplane flew like toad Well Mike Hayden Jim Fife spent day last Saturday trying detoad thing help new whiz-bang Futaba 1024 radios After mixes adjustments readjust ments rereadjustments finally got thing good could get Did succeed making toad prince Actually what got toad life support lot better some things $700 radio wont cure moral Sometimes should just give up move cant make pig sing annoys pig RC Giant Scale/de Vries Continued page 47 6 its stupefying compendium thing youd want know subject great photographer artist Dave goes well beyond techniques wire-cutting wing cores details foam fuselages floats scale cowls fiberglass spinners built simple-tomake foam forms host foam uses large Sailplanes devotes chapter repair damaged foam wings other model parts Its book well worth studying RC Slope Soaring/Triebes Continued page 49 Sweepback Leading edge less 100 Trailing edge less 50 optimum 00 trailing edge sweephack Jetlike sweepback does en hance looping maneuvers gives pitch sta bility much same dihedral does roll Dihedral Optimum 0-2 0 Jf opt 00 dihedral remember wings will look like droop flight Add 1-2-in block under wing tip joining wing halves wings will look right air course know dihedral amounts over 5 0 will give unacceptabletoo much stability roll want roll baby right Airfoil section cant go too far wrong Eppler 374 RG-15 airfoil new Se hg 5D6060 supposed hot kind en hanced Eppler 374 Before deciding thin out airfoil think about what kind flying site youll using site tight doesnt have much operating space below crest go 9-11 % section thickness thinned airfoils tend mush out lose speed pull tight high-G maneu vers other hand intend operate fast lady big hills big lift build 75% Eppler 374 keep maneuvers big smooth fast airfoil big sky environment Wing area vs wing loading An optimum wing area between 500 550 sq greater wing area greater overall weight must arrive target wing load ing about 15-17 oz per sq ft unballasted Speed directly proportional wing load ing forget about building light Instead build strong very clean avoiding unnecessary weight tail extra ounce 150 Model Aviation WANTED Hands Business Manager REQUIREMENTS IULTIMATESPORT RC 255 East Ashland/PO Baa 727/Sada Springs Ideha 83276 If