SCALE 80 catchy little slogan Ottawa World Champs coming up next summer great deal pressure mounting inclusion FF scale event such took place along 1978 Woodvale Intemats Al though principal site adjacent live runway precludes FF activity near RC UC area other primitive sites have proposed should delight FF scale modelers usually prefer tall grass asphalt like relaxed atmosphere anyway Bill Hannan Bob Underwood AMAs scale branch called SA Association Scale Aeromodellers . formerly known NASA have quite active promoting event SA pushes scale competition point view deeply involved making scale data accessible Jamie Gielens compilation scale sources went out members year made $500 yearly membership fee seem well worth youd like part ASA man write Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 make heavy models will love gram-seconds determining rubber-powered contest winners Gram seconds practice multiplying models flight time its weight grams used make recent FlightSPHERICAL OR CONE SHAPED BALLm SNAP FITOVER STICK IS SHAFT REINFORCED N WITH THIN PLYWOODSOCKET THREAD EPOXYNONTURNHOLE THICK PLYWOOD SHOOKFOR/ WINDING .ihNON TURN ROUNDED STYROFOAM GUIDE SUPPORTS END OF STICK AND PROTECTS FUSELAGE DURING______________ INSERTION Paul Mci Irat h edar Rapids Iowa masters West Beat Walt Mooney Contest interesting meet open Walt Mooney design flown standard-size high school gym Four five gram Peanuts such flown Ken Johnson Andy Faykun may have breaking magic minute easily final analysis Walt Mooneys reliable 01 Tiger turned its 32 flight winning time multiplied its 29-gram heaviest plane air weight reasoning plane has efficient respectable time extra avoirdupois refreshing see club have least event us just cant build em like Easy Bees have chance Lets talk about using drag advantage trimming recalcitrant scale job Joe Tschirgis DFW Floh flea brought guffaws wisecracks brought Flightmasters meeting scalers have spoiled perfectly-proportioned models tend scoff TAIL END OF MOTOR STICK DOES NOT MOVE WHEN NOSEBLOCK IS SHIMMED FOR THRUST ADJUSTMENT rdFPk XIKLJ STICK MOTOR unusual subject now ridicu lously-short tail moment DFW bound give trouble ROG certainly longitudinal directional stability going prove hairy air said some Imagine red faces Joes plane made beautiful straight takeoff buzzed around field several minutes before returning strip perfect landing applause died away Joe aero nautical engineer trade disclosed secret 200-ft length 2-lb monofilament attached tail Played out during takeoff spinning reel slight tension held between thumb forefinger line eliminated ground-looping tendency air acted like tail kite kept Floh rock-steadys line completely invisible spectators did harm aesthetics flight way little trick may draw some fire 44 Model Aviation Continued page 115 picture worth 1 000 words Jack McCrackens Waco Taperwing FFMis reilow -ilgnmasrers nowieu wrien iney saw Jose scnirgra uI-w gas ship flies well 036 Dart diesel About 36 Light weight lowFloh after straight takeoff circled several minutes power speed does itreturned strip perfect landing GIANT Scale STANDARD PILOT COMPLETE WITH GOGGLES VICKERS PLASTIC MACHINE GUN KITS GNOME ROTARY ENGINE CYLINDERS VINTAGE WHEELS 6% DIAMETER w AfLLJAas SEND 50 FOR COMPLETE CATALOG MA PAWNEE ST SAN MARCOS CA 9 Labor Day weekend 1978 time mula Ones joined new little broth ers Formula Vees powered more-or-less stock 600-cc VW car engines Thanks airports outstanding location shore Lake Erie crowd numbered over 100000 remembered old days first Cleveland F/Vee race old story have followed sport Steve Wittman toyed field winning cham pionship heat green-and-yellow Vee Witt record-setting 16257 mph Second Vein Willingham Renegade 15813 mph third F/I ace Bob Downey E C Fishers Sonerai Blueberry feature race weekend championship heat Formula Ones produced some very close exciting racing historys first win radical-design raceplane Jimmy Millers all-fiberglass pusher Texas Gem shade too fast Don Becks amazing Cassutt Gnat Miller turning Cleveland record 23326 mph Becks 23226 mph 3-mile oval mainly over water Bob Moeller third 23176 mph Downey fourth 23028 mph kind close racing Formula remains popular US Europe after 30 years action stage has set 50th Anniversary Cleveland Air Races held Sept 1-2-3 1979 Burke Lakefront Airport will old race planes display probably some old race pilots well will racing Formula Formula Vee hopefully Sport Biplane Class ac cording racing director Jack Dianiska course will Steve Wittman flying VW cant very well Cleveland Air Races Steve Pheasant biplane began 1929 built raced Chief Oshkosh Bonzo through 1930s tried Bell P-63 early post-war Thompson Trophy Races switched 190 cu Class little Bonzo still uses now its newest air race classes receiving benefit Steves experience wisdom racing know-how Come Labor Day 1979 Cleveland Air Races will 50 years old its star performer will 75 have made through some very great times some very difficult times racing poised verge heaven-knowswhat neither gives indication quitting FF Sport/Scale/Warner continued page 44 serious contest fliers certain find supporters among modelers like build wierd subjects have fly boot Dragging string nothing new remember few years ago Jim Adams getting gray hair watching diesel-powered Loening am phibian doing circle after circle water product review product review product review HBs Microton Auxiliary Muffler pictured tended used HB #4023 similar muffler substantially reduce exhaust noise manufacturer claims noise reduction approximately 80 81 decibels auxiliary muffler comes complete mounting hardware silicone tubing Second top Microton #7002 muffler Integrated diffusion design makes very efficient uiet muffler However muffler recommended airplanes provide substantial air flow engine cooling because muffler engine runs somewhat hotter Mounting hardware standard Third top standard HB expansion chamber muffler #4020 light-weight coolrunning muffler available engines 40 larger manufacturer claims maximum noise reduction small power loss muffler comes complete pressure tap mounting hardware remaining muffler Helicopter muffler #8523 extra short super-quiet muffler small enough fit neatly almost helicopter installation large enough quiet powerfulHB61 withaminimum lossofpowerAlso comes complete mounting hardware instead using its speed liftoff couple feet string dragging behind outside wing enough straighten out takeoff run no great effect air simple solution vexing problem Adding drag tab plane resists efforts get circling nicely also can often make day lXX1/16 tab flap glued along trailing edge out near wing tip nsion 90 degrees airflow will provide enough drag pull wing rearward give fairly safe turn fairly unobtrusive under wing can trimmed smaller smaller until just right diameter circles obtained Planes trimmed circle drag tab seem have less tendency dive develop nasty tendencies often accompany using rudder thrust adjustments alone 1/16 sheet tab much reliable sticking paper card ailerons always seem moving Remember face tab should posi tioned get maximum push airflow rearward Having angled downward increase lift component may reduce its value Use full-flap position near tip wing Want get kid started modeling right way Want get stuff need frustration having local hobby dealer give funny look ask rubber accessories suggest $100 invest ment Peck-Polymers Wish Book will best buck ever spent Bob Sandy Peck put out own llne contestwinning kits handle hundreds other items make modeling exciting Whether its Peanut plans France black Sleek-Streek wheels 4-in-long diamond-loop prop shafts Ansul C02 bottles nylon nose buttons rubber winders Phineas Pinkham storybook can get PP case cant find address its PO Box 2498 La Mesa CA 92041 definitive treatise electric power far has just published Bob Boucher Astro Flight No modeler should overlook book takes entire electric model-power area makes understandable levels want smooth relatively reliable quiet power scale models perhaps just want reasonable approach multi-engined subjects should investigate electric Entitled Quiet Revolution book may obtained Astro Flight 13377 Beach Blvd Venice CA 90291 $595PP product review product review product review Thermal Worthy Aircraft month award October1979 115 QUARTER SCALE 3 OT BY POPULAR DEMAND Exhaust Accessories HB 40 50 & 61 engines Bavarian Precision Products PO Box 8 New Canaan CT 06840 read about Model Aviation writing advertisers mention NNOUNCINGThe New Instant-Dry Q I Adhesive Process Fib ToSheet Foam Wing Cores new product Coreflim replaces using white glue epoxy contact cement sheeting foam wing cores Corefilm rough thin lightweight mylar tape has coated both sides contact adhesive Corefilm ready instant use After covering wing core 1Y2 strips corefilm remove paper backing set plywood balsa sheeting material place press foam core bond instant Corefilm flight tested gliders power ships tough mylar film provides strapping tape effect both top bottom has proven desirable superior quality Corefilm comes P12 wide 36 yard rolls roll will cover over 1900 sq 13 sq - At dealer direct Write brochure complete line BILL EVANSAIR/CRAFT 19216 Calvert Street Reseda CA213/344-6391 Winning Ideas FOURMOST Le RETRACTABLE TOW HOOK RELEASE Pr ice $575 Simplest reliable device avail able After line released hook retracts body unit leaving smooth surface bot tom aircraft No special attach ments required Weight 1Aoz PRICE 525 40 AIRFLO ENGINE MOUNT IDEAL FOR QUICKY 500 ER FOURMOST PRODUCTS Fuel Fitting SetsFuel Manifold Strut FairingsGapless Hinge Slotter Fuel Shut OffGapless Hinges Cockpit Coaming 049/051 Airflow Engine Mounts Send SASE Complete Information Fuivi~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 Quiet Power -Tatone Makes Easy new super quiet K&B 40 R/C muffler requires no exhaust plugs fittings adaptors Muffler machined fit exhaust stack cover exposed holes Just bolt on.thats Will reduce noise 10 12 decibels little no loss rpms Noise cancelled interposing sound waves eRadi cal free flow expansion chamber angled blow exhaust away fuselage attach provision pressure fitting Also available ENVA 29 35 40 45 OS MAX 30 35 40 SUPER TIGRE G21 35 46 Add $100 extra above engines specify type Mounting strap screw included $1295 No 306 N Add $125 postage handling CA residents add 6% tax Dealer inquiries invited goes out Nick DeCarlis Gainesville FL 5-minute OOS flight Peanut Cessna Cardinal RG plane weighed 8 9 grams used NP 5-1/2 propsanded turned 1014 loop FAI 1/16 rubber Congratulations Nick Send us dope TWA space devoted FF scale major magazines seems too little taste remem ber advertising money talks Have considered FF scale club Drop SASE Ill see can put touch club newsletter fellow modeler might find interesting Thanks cards letters photos etc Bill Warner 423-C San VicenteBlvd Santa Monica CA 90402 Hare/Scidmore/ Baker continued page 47 used excess resin soaked up toilet tissue very light weight job can done Wings standard Note plans call use 1 trailing edge stock both panels ailerons cut out later Install aileron servo mounting rails before sheeting center section Alignment crucial Easy way get true wings pin trailing edge truly flat work surface Place spacer under trailing edge elevate spars may pinned flat working surface Glue both top bottom wing spars place glue wet glue ribs trailing edge Use ruler insure leading edges ribs same height above work surface Glue leading edge hold place pins weights until glue set Leave wing board until shear webs have glued place top sheeting stalled ensures straight true wing very strong very rigld light weight wing Epoxy gloss center strengthen wing meets fuselage Balance wing center line check equal panel weight adjust sanding until balanced Wing alignment key tip plates installed after basic wing covered Foam wings have used noticeable difference being heavier built-up Once wing completed trim fuselage wing saddle until wing fits perfectly horizontal fuselage sides vertical sure wing center line parallel thrust linezero degrees inci dence Install wing hold-down block Before drilling pilot holes wing hold-down screws use string measure tip wing same distance fuselage hard balsa carve front hold-down block fit wing glue place Install elevator sure horizontal relative wing Use triangle check fin verticaL Sight fin front sure true parallel fuselage center line Various covering schemes have used heat-shrink covering Solar Film EconoKote etc works well author uses painted fuse lages film other surfaces other covers fuselage up leading edge film paints forward important use colors trim make plane very visible distinguishable other aircraft Whites yel lows orange combinations work well Flying Hare should set up grooves yet turns rapidly Aileron elevator throws shown plans approximate Roll rate should positive being quick Too much aileron elevator throw can make aircraft difficult handle should initiate turn aileron use up elevator tighten up turn preference allow nose drop slightly during turn Adjust CG until straightand-level flight can maintained no eleva tor inputs built true airplane weighs 116 Model Aviation
Edition: Model Aviation - 1979/10
Page Numbers: 44, 115, 116
SCALE 80 catchy little slogan Ottawa World Champs coming up next summer great deal pressure mounting inclusion FF scale event such took place along 1978 Woodvale Intemats Al though principal site adjacent live runway precludes FF activity near RC UC area other primitive sites have proposed should delight FF scale modelers usually prefer tall grass asphalt like relaxed atmosphere anyway Bill Hannan Bob Underwood AMAs scale branch called SA Association Scale Aeromodellers . formerly known NASA have quite active promoting event SA pushes scale competition point view deeply involved making scale data accessible Jamie Gielens compilation scale sources went out members year made $500 yearly membership fee seem well worth youd like part ASA man write Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 make heavy models will love gram-seconds determining rubber-powered contest winners Gram seconds practice multiplying models flight time its weight grams used make recent FlightSPHERICAL OR CONE SHAPED BALLm SNAP FITOVER STICK IS SHAFT REINFORCED N WITH THIN PLYWOODSOCKET THREAD EPOXYNONTURNHOLE THICK PLYWOOD SHOOKFOR/ WINDING .ihNON TURN ROUNDED STYROFOAM GUIDE SUPPORTS END OF STICK AND PROTECTS FUSELAGE DURING______________ INSERTION Paul Mci Irat h edar Rapids Iowa masters West Beat Walt Mooney Contest interesting meet open Walt Mooney design flown standard-size high school gym Four five gram Peanuts such flown Ken Johnson Andy Faykun may have breaking magic minute easily final analysis Walt Mooneys reliable 01 Tiger turned its 32 flight winning time multiplied its 29-gram heaviest plane air weight reasoning plane has efficient respectable time extra avoirdupois refreshing see club have least event us just cant build em like Easy Bees have chance Lets talk about using drag advantage trimming recalcitrant scale job Joe Tschirgis DFW Floh flea brought guffaws wisecracks brought Flightmasters meeting scalers have spoiled perfectly-proportioned models tend scoff TAIL END OF MOTOR STICK DOES NOT MOVE WHEN NOSEBLOCK IS SHIMMED FOR THRUST ADJUSTMENT rdFPk XIKLJ STICK MOTOR unusual subject now ridicu lously-short tail moment DFW bound give trouble ROG certainly longitudinal directional stability going prove hairy air said some Imagine red faces Joes plane made beautiful straight takeoff buzzed around field several minutes before returning strip perfect landing applause died away Joe aero nautical engineer trade disclosed secret 200-ft length 2-lb monofilament attached tail Played out during takeoff spinning reel slight tension held between thumb forefinger line eliminated ground-looping tendency air acted like tail kite kept Floh rock-steadys line completely invisible spectators did harm aesthetics flight way little trick may draw some fire 44 Model Aviation Continued page 115 picture worth 1 000 words Jack McCrackens Waco Taperwing FFMis reilow -ilgnmasrers nowieu wrien iney saw Jose scnirgra uI-w gas ship flies well 036 Dart diesel About 36 Light weight lowFloh after straight takeoff circled several minutes power speed does itreturned strip perfect landing GIANT Scale STANDARD PILOT COMPLETE WITH GOGGLES VICKERS PLASTIC MACHINE GUN KITS GNOME ROTARY ENGINE CYLINDERS VINTAGE WHEELS 6% DIAMETER w AfLLJAas SEND 50 FOR COMPLETE CATALOG MA PAWNEE ST SAN MARCOS CA 9 Labor Day weekend 1978 time mula Ones joined new little broth ers Formula Vees powered more-or-less stock 600-cc VW car engines Thanks airports outstanding location shore Lake Erie crowd numbered over 100000 remembered old days first Cleveland F/Vee race old story have followed sport Steve Wittman toyed field winning cham pionship heat green-and-yellow Vee Witt record-setting 16257 mph Second Vein Willingham Renegade 15813 mph third F/I ace Bob Downey E C Fishers Sonerai Blueberry feature race weekend championship heat Formula Ones produced some very close exciting racing historys first win radical-design raceplane Jimmy Millers all-fiberglass pusher Texas Gem shade too fast Don Becks amazing Cassutt Gnat Miller turning Cleveland record 23326 mph Becks 23226 mph 3-mile oval mainly over water Bob Moeller third 23176 mph Downey fourth 23028 mph kind close racing Formula remains popular US Europe after 30 years action stage has set 50th Anniversary Cleveland Air Races held Sept 1-2-3 1979 Burke Lakefront Airport will old race planes display probably some old race pilots well will racing Formula Formula Vee hopefully Sport Biplane Class ac cording racing director Jack Dianiska course will Steve Wittman flying VW cant very well Cleveland Air Races Steve Pheasant biplane began 1929 built raced Chief Oshkosh Bonzo through 1930s tried Bell P-63 early post-war Thompson Trophy Races switched 190 cu Class little Bonzo still uses now its newest air race classes receiving benefit Steves experience wisdom racing know-how Come Labor Day 1979 Cleveland Air Races will 50 years old its star performer will 75 have made through some very great times some very difficult times racing poised verge heaven-knowswhat neither gives indication quitting FF Sport/Scale/Warner continued page 44 serious contest fliers certain find supporters among modelers like build wierd subjects have fly boot Dragging string nothing new remember few years ago Jim Adams getting gray hair watching diesel-powered Loening am phibian doing circle after circle water product review product review product review HBs Microton Auxiliary Muffler pictured tended used HB #4023 similar muffler substantially reduce exhaust noise manufacturer claims noise reduction approximately 80 81 decibels auxiliary muffler comes complete mounting hardware silicone tubing Second top Microton #7002 muffler Integrated diffusion design makes very efficient uiet muffler However muffler recommended airplanes provide substantial air flow engine cooling because muffler engine runs somewhat hotter Mounting hardware standard Third top standard HB expansion chamber muffler #4020 light-weight coolrunning muffler available engines 40 larger manufacturer claims maximum noise reduction small power loss muffler comes complete pressure tap mounting hardware remaining muffler Helicopter muffler #8523 extra short super-quiet muffler small enough fit neatly almost helicopter installation large enough quiet powerfulHB61 withaminimum lossofpowerAlso comes complete mounting hardware instead using its speed liftoff couple feet string dragging behind outside wing enough straighten out takeoff run no great effect air simple solution vexing problem Adding drag tab plane resists efforts get circling nicely also can often make day lXX1/16 tab flap glued along trailing edge out near wing tip nsion 90 degrees airflow will provide enough drag pull wing rearward give fairly safe turn fairly unobtrusive under wing can trimmed smaller smaller until just right diameter circles obtained Planes trimmed circle drag tab seem have less tendency dive develop nasty tendencies often accompany using rudder thrust adjustments alone 1/16 sheet tab much reliable sticking paper card ailerons always seem moving Remember face tab should posi tioned get maximum push airflow rearward Having angled downward increase lift component may reduce its value Use full-flap position near tip wing Want get kid started modeling right way Want get stuff need frustration having local hobby dealer give funny look ask rubber accessories suggest $100 invest ment Peck-Polymers Wish Book will best buck ever spent Bob Sandy Peck put out own llne contestwinning kits handle hundreds other items make modeling exciting Whether its Peanut plans France black Sleek-Streek wheels 4-in-long diamond-loop prop shafts Ansul C02 bottles nylon nose buttons rubber winders Phineas Pinkham storybook can get PP case cant find address its PO Box 2498 La Mesa CA 92041 definitive treatise electric power far has just published Bob Boucher Astro Flight No modeler should overlook book takes entire electric model-power area makes understandable levels want smooth relatively reliable quiet power scale models perhaps just want reasonable approach multi-engined subjects should investigate electric Entitled Quiet Revolution book may obtained Astro Flight 13377 Beach Blvd Venice CA 90291 $595PP product review product review product review Thermal Worthy Aircraft month award October1979 115 QUARTER SCALE 3 OT BY POPULAR DEMAND Exhaust Accessories HB 40 50 & 61 engines Bavarian Precision Products PO Box 8 New Canaan CT 06840 read about Model Aviation writing advertisers mention NNOUNCINGThe New Instant-Dry Q I Adhesive Process Fib ToSheet Foam Wing Cores new product Coreflim replaces using white glue epoxy contact cement sheeting foam wing cores Corefilm rough thin lightweight mylar tape has coated both sides contact adhesive Corefilm ready instant use After covering wing core 1Y2 strips corefilm remove paper backing set plywood balsa sheeting material place press foam core bond instant Corefilm flight tested gliders power ships tough mylar film provides strapping tape effect both top bottom has proven desirable superior quality Corefilm comes P12 wide 36 yard rolls roll will cover over 1900 sq 13 sq - At dealer direct Write brochure complete line BILL EVANSAIR/CRAFT 19216 Calvert Street Reseda CA213/344-6391 Winning Ideas FOURMOST Le RETRACTABLE TOW HOOK RELEASE Pr ice $575 Simplest reliable device avail able After line released hook retracts body unit leaving smooth surface bot tom aircraft No special attach ments required Weight 1Aoz PRICE 525 40 AIRFLO ENGINE MOUNT IDEAL FOR QUICKY 500 ER FOURMOST PRODUCTS Fuel Fitting SetsFuel Manifold Strut FairingsGapless Hinge Slotter Fuel Shut OffGapless Hinges Cockpit Coaming 049/051 Airflow Engine Mounts Send SASE Complete Information Fuivi~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 Quiet Power -Tatone Makes Easy new super quiet K&B 40 R/C muffler requires no exhaust plugs fittings adaptors Muffler machined fit exhaust stack cover exposed holes Just bolt on.thats Will reduce noise 10 12 decibels little no loss rpms Noise cancelled interposing sound waves eRadi cal free flow expansion chamber angled blow exhaust away fuselage attach provision pressure fitting Also available ENVA 29 35 40 45 OS MAX 30 35 40 SUPER TIGRE G21 35 46 Add $100 extra above engines specify type Mounting strap screw included $1295 No 306 N Add $125 postage handling CA residents add 6% tax Dealer inquiries invited goes out Nick DeCarlis Gainesville FL 5-minute OOS flight Peanut Cessna Cardinal RG plane weighed 8 9 grams used NP 5-1/2 propsanded turned 1014 loop FAI 1/16 rubber Congratulations Nick Send us dope TWA space devoted FF scale major magazines seems too little taste remem ber advertising money talks Have considered FF scale club Drop SASE Ill see can put touch club newsletter fellow modeler might find interesting Thanks cards letters photos etc Bill Warner 423-C San VicenteBlvd Santa Monica CA 90402 Hare/Scidmore/ Baker continued page 47 used excess resin soaked up toilet tissue very light weight job can done Wings standard Note plans call use 1 trailing edge stock both panels ailerons cut out later Install aileron servo mounting rails before sheeting center section Alignment crucial Easy way get true wings pin trailing edge truly flat work surface Place spacer under trailing edge elevate spars may pinned flat working surface Glue both top bottom wing spars place glue wet glue ribs trailing edge Use ruler insure leading edges ribs same height above work surface Glue leading edge hold place pins weights until glue set Leave wing board until shear webs have glued place top sheeting stalled ensures straight true wing very strong very rigld light weight wing Epoxy gloss center strengthen wing meets fuselage Balance wing center line check equal panel weight adjust sanding until balanced Wing alignment key tip plates installed after basic wing covered Foam wings have used noticeable difference being heavier built-up Once wing completed trim fuselage wing saddle until wing fits perfectly horizontal fuselage sides vertical sure wing center line parallel thrust linezero degrees inci dence Install wing hold-down block Before drilling pilot holes wing hold-down screws use string measure tip wing same distance fuselage hard balsa carve front hold-down block fit wing glue place Install elevator sure horizontal relative wing Use triangle check fin verticaL Sight fin front sure true parallel fuselage center line Various covering schemes have used heat-shrink covering Solar Film EconoKote etc works well author uses painted fuse lages film other surfaces other covers fuselage up leading edge film paints forward important use colors trim make plane very visible distinguishable other aircraft Whites yel lows orange combinations work well Flying Hare should set up grooves yet turns rapidly Aileron elevator throws shown plans approximate Roll rate should positive being quick Too much aileron elevator throw can make aircraft difficult handle should initiate turn aileron use up elevator tighten up turn preference allow nose drop slightly during turn Adjust CG until straightand-level flight can maintained no eleva tor inputs built true airplane weighs 116 Model Aviation
Edition: Model Aviation - 1979/10
Page Numbers: 44, 115, 116
SCALE 80 catchy little slogan Ottawa World Champs coming up next summer great deal pressure mounting inclusion FF scale event such took place along 1978 Woodvale Intemats Al though principal site adjacent live runway precludes FF activity near RC UC area other primitive sites have proposed should delight FF scale modelers usually prefer tall grass asphalt like relaxed atmosphere anyway Bill Hannan Bob Underwood AMAs scale branch called SA Association Scale Aeromodellers . formerly known NASA have quite active promoting event SA pushes scale competition point view deeply involved making scale data accessible Jamie Gielens compilation scale sources went out members year made $500 yearly membership fee seem well worth youd like part ASA man write Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 make heavy models will love gram-seconds determining rubber-powered contest winners Gram seconds practice multiplying models flight time its weight grams used make recent FlightSPHERICAL OR CONE SHAPED BALLm SNAP FITOVER STICK IS SHAFT REINFORCED N WITH THIN PLYWOODSOCKET THREAD EPOXYNONTURNHOLE THICK PLYWOOD SHOOKFOR/ WINDING .ihNON TURN ROUNDED STYROFOAM GUIDE SUPPORTS END OF STICK AND PROTECTS FUSELAGE DURING______________ INSERTION Paul Mci Irat h edar Rapids Iowa masters West Beat Walt Mooney Contest interesting meet open Walt Mooney design flown standard-size high school gym Four five gram Peanuts such flown Ken Johnson Andy Faykun may have breaking magic minute easily final analysis Walt Mooneys reliable 01 Tiger turned its 32 flight winning time multiplied its 29-gram heaviest plane air weight reasoning plane has efficient respectable time extra avoirdupois refreshing see club have least event us just cant build em like Easy Bees have chance Lets talk about using drag advantage trimming recalcitrant scale job Joe Tschirgis DFW Floh flea brought guffaws wisecracks brought Flightmasters meeting scalers have spoiled perfectly-proportioned models tend scoff TAIL END OF MOTOR STICK DOES NOT MOVE WHEN NOSEBLOCK IS SHIMMED FOR THRUST ADJUSTMENT rdFPk XIKLJ STICK MOTOR unusual subject now ridicu lously-short tail moment DFW bound give trouble ROG certainly longitudinal directional stability going prove hairy air said some Imagine red faces Joes plane made beautiful straight takeoff buzzed around field several minutes before returning strip perfect landing applause died away Joe aero nautical engineer trade disclosed secret 200-ft length 2-lb monofilament attached tail Played out during takeoff spinning reel slight tension held between thumb forefinger line eliminated ground-looping tendency air acted like tail kite kept Floh rock-steadys line completely invisible spectators did harm aesthetics flight way little trick may draw some fire 44 Model Aviation Continued page 115 picture worth 1 000 words Jack McCrackens Waco Taperwing FFMis reilow -ilgnmasrers nowieu wrien iney saw Jose scnirgra uI-w gas ship flies well 036 Dart diesel About 36 Light weight lowFloh after straight takeoff circled several minutes power speed does itreturned strip perfect landing GIANT Scale STANDARD PILOT COMPLETE WITH GOGGLES VICKERS PLASTIC MACHINE GUN KITS GNOME ROTARY ENGINE CYLINDERS VINTAGE WHEELS 6% DIAMETER w AfLLJAas SEND 50 FOR COMPLETE CATALOG MA PAWNEE ST SAN MARCOS CA 9 Labor Day weekend 1978 time mula Ones joined new little broth ers Formula Vees powered more-or-less stock 600-cc VW car engines Thanks airports outstanding location shore Lake Erie crowd numbered over 100000 remembered old days first Cleveland F/Vee race old story have followed sport Steve Wittman toyed field winning cham pionship heat green-and-yellow Vee Witt record-setting 16257 mph Second Vein Willingham Renegade 15813 mph third F/I ace Bob Downey E C Fishers Sonerai Blueberry feature race weekend championship heat Formula Ones produced some very close exciting racing historys first win radical-design raceplane Jimmy Millers all-fiberglass pusher Texas Gem shade too fast Don Becks amazing Cassutt Gnat Miller turning Cleveland record 23326 mph Becks 23226 mph 3-mile oval mainly over water Bob Moeller third 23176 mph Downey fourth 23028 mph kind close racing Formula remains popular US Europe after 30 years action stage has set 50th Anniversary Cleveland Air Races held Sept 1-2-3 1979 Burke Lakefront Airport will old race planes display probably some old race pilots well will racing Formula Formula Vee hopefully Sport Biplane Class ac cording racing director Jack Dianiska course will Steve Wittman flying VW cant very well Cleveland Air Races Steve Pheasant biplane began 1929 built raced Chief Oshkosh Bonzo through 1930s tried Bell P-63 early post-war Thompson Trophy Races switched 190 cu Class little Bonzo still uses now its newest air race classes receiving benefit Steves experience wisdom racing know-how Come Labor Day 1979 Cleveland Air Races will 50 years old its star performer will 75 have made through some very great times some very difficult times racing poised verge heaven-knowswhat neither gives indication quitting FF Sport/Scale/Warner continued page 44 serious contest fliers certain find supporters among modelers like build wierd subjects have fly boot Dragging string nothing new remember few years ago Jim Adams getting gray hair watching diesel-powered Loening am phibian doing circle after circle water product review product review product review HBs Microton Auxiliary Muffler pictured tended used HB #4023 similar muffler substantially reduce exhaust noise manufacturer claims noise reduction approximately 80 81 decibels auxiliary muffler comes complete mounting hardware silicone tubing Second top Microton #7002 muffler Integrated diffusion design makes very efficient uiet muffler However muffler recommended airplanes provide substantial air flow engine cooling because muffler engine runs somewhat hotter Mounting hardware standard Third top standard HB expansion chamber muffler #4020 light-weight coolrunning muffler available engines 40 larger manufacturer claims maximum noise reduction small power loss muffler comes complete pressure tap mounting hardware remaining muffler Helicopter muffler #8523 extra short super-quiet muffler small enough fit neatly almost helicopter installation large enough quiet powerfulHB61 withaminimum lossofpowerAlso comes complete mounting hardware instead using its speed liftoff couple feet string dragging behind outside wing enough straighten out takeoff run no great effect air simple solution vexing problem Adding drag tab plane resists efforts get circling nicely also can often make day lXX1/16 tab flap glued along trailing edge out near wing tip nsion 90 degrees airflow will provide enough drag pull wing rearward give fairly safe turn fairly unobtrusive under wing can trimmed smaller smaller until just right diameter circles obtained Planes trimmed circle drag tab seem have less tendency dive develop nasty tendencies often accompany using rudder thrust adjustments alone 1/16 sheet tab much reliable sticking paper card ailerons always seem moving Remember face tab should posi tioned get maximum push airflow rearward Having angled downward increase lift component may reduce its value Use full-flap position near tip wing Want get kid started modeling right way Want get stuff need frustration having local hobby dealer give funny look ask rubber accessories suggest $100 invest ment Peck-Polymers Wish Book will best buck ever spent Bob Sandy Peck put out own llne contestwinning kits handle hundreds other items make modeling exciting Whether its Peanut plans France black Sleek-Streek wheels 4-in-long diamond-loop prop shafts Ansul C02 bottles nylon nose buttons rubber winders Phineas Pinkham storybook can get PP case cant find address its PO Box 2498 La Mesa CA 92041 definitive treatise electric power far has just published Bob Boucher Astro Flight No modeler should overlook book takes entire electric model-power area makes understandable levels want smooth relatively reliable quiet power scale models perhaps just want reasonable approach multi-engined subjects should investigate electric Entitled Quiet Revolution book may obtained Astro Flight 13377 Beach Blvd Venice CA 90291 $595PP product review product review product review Thermal Worthy Aircraft month award October1979 115 QUARTER SCALE 3 OT BY POPULAR DEMAND Exhaust Accessories HB 40 50 & 61 engines Bavarian Precision Products PO Box 8 New Canaan CT 06840 read about Model Aviation writing advertisers mention NNOUNCINGThe New Instant-Dry Q I Adhesive Process Fib ToSheet Foam Wing Cores new product Coreflim replaces using white glue epoxy contact cement sheeting foam wing cores Corefilm rough thin lightweight mylar tape has coated both sides contact adhesive Corefilm ready instant use After covering wing core 1Y2 strips corefilm remove paper backing set plywood balsa sheeting material place press foam core bond instant Corefilm flight tested gliders power ships tough mylar film provides strapping tape effect both top bottom has proven desirable superior quality Corefilm comes P12 wide 36 yard rolls roll will cover over 1900 sq 13 sq - At dealer direct Write brochure complete line BILL EVANSAIR/CRAFT 19216 Calvert Street Reseda CA213/344-6391 Winning Ideas FOURMOST Le RETRACTABLE TOW HOOK RELEASE Pr ice $575 Simplest reliable device avail able After line released hook retracts body unit leaving smooth surface bot tom aircraft No special attach ments required Weight 1Aoz PRICE 525 40 AIRFLO ENGINE MOUNT IDEAL FOR QUICKY 500 ER FOURMOST PRODUCTS Fuel Fitting SetsFuel Manifold Strut FairingsGapless Hinge Slotter Fuel Shut OffGapless Hinges Cockpit Coaming 049/051 Airflow Engine Mounts Send SASE Complete Information Fuivi~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 Quiet Power -Tatone Makes Easy new super quiet K&B 40 R/C muffler requires no exhaust plugs fittings adaptors Muffler machined fit exhaust stack cover exposed holes Just bolt on.thats Will reduce noise 10 12 decibels little no loss rpms Noise cancelled interposing sound waves eRadi cal free flow expansion chamber angled blow exhaust away fuselage attach provision pressure fitting Also available ENVA 29 35 40 45 OS MAX 30 35 40 SUPER TIGRE G21 35 46 Add $100 extra above engines specify type Mounting strap screw included $1295 No 306 N Add $125 postage handling CA residents add 6% tax Dealer inquiries invited goes out Nick DeCarlis Gainesville FL 5-minute OOS flight Peanut Cessna Cardinal RG plane weighed 8 9 grams used NP 5-1/2 propsanded turned 1014 loop FAI 1/16 rubber Congratulations Nick Send us dope TWA space devoted FF scale major magazines seems too little taste remem ber advertising money talks Have considered FF scale club Drop SASE Ill see can put touch club newsletter fellow modeler might find interesting Thanks cards letters photos etc Bill Warner 423-C San VicenteBlvd Santa Monica CA 90402 Hare/Scidmore/ Baker continued page 47 used excess resin soaked up toilet tissue very light weight job can done Wings standard Note plans call use 1 trailing edge stock both panels ailerons cut out later Install aileron servo mounting rails before sheeting center section Alignment crucial Easy way get true wings pin trailing edge truly flat work surface Place spacer under trailing edge elevate spars may pinned flat working surface Glue both top bottom wing spars place glue wet glue ribs trailing edge Use ruler insure leading edges ribs same height above work surface Glue leading edge hold place pins weights until glue set Leave wing board until shear webs have glued place top sheeting stalled ensures straight true wing very strong very rigld light weight wing Epoxy gloss center strengthen wing meets fuselage Balance wing center line check equal panel weight adjust sanding until balanced Wing alignment key tip plates installed after basic wing covered Foam wings have used noticeable difference being heavier built-up Once wing completed trim fuselage wing saddle until wing fits perfectly horizontal fuselage sides vertical sure wing center line parallel thrust linezero degrees inci dence Install wing hold-down block Before drilling pilot holes wing hold-down screws use string measure tip wing same distance fuselage hard balsa carve front hold-down block fit wing glue place Install elevator sure horizontal relative wing Use triangle check fin verticaL Sight fin front sure true parallel fuselage center line Various covering schemes have used heat-shrink covering Solar Film EconoKote etc works well author uses painted fuse lages film other surfaces other covers fuselage up leading edge film paints forward important use colors trim make plane very visible distinguishable other aircraft Whites yel lows orange combinations work well Flying Hare should set up grooves yet turns rapidly Aileron elevator throws shown plans approximate Roll rate should positive being quick Too much aileron elevator throw can make aircraft difficult handle should initiate turn aileron use up elevator tighten up turn preference allow nose drop slightly during turn Adjust CG until straightand-level flight can maintained no eleva tor inputs built true airplane weighs 116 Model Aviation