I FREE HT Indoor Bud Tenny THE 1975 NATS Indoor events beautiful Civic Center downtown Lake Charles La fewer entrants 1974 event did rest Nats Most same faces along few new ones engaged close competition post about same times 1974 Time-a-flight fly-a-flight has become way life Nats volunteer tim ers worked hard fill gaps during rush periods Maybe resulting lack mality goodat least timers un excelled opportunity learning closerange observation HL glider times Sunday similar 1974 times spite much cooler air resulting froin steady rain day Also flier observed air turbulence floor level seemed higher last year low ceiling HLG flying floor turbulence very im portant factor medium ceil ing site such rough air can shave over second off potential time welltrimmed glider recognition tur bulence problem CD Sandy Frank set up alternating sessions test flying offi cial flying Before adoption practice several years ago Nats indoor HLG ses sions usually resembled bee swarm Glid ers would bounce off people fall through air churned feet Now official flying sessions have few fli ers timers flight arena greatly improves flying conditions As usual wide variety glider designs flown course Super Sweeps Sweepettes other designs abounded well Accurate launches proper weight gliders good trim will often outweigh advantages super design properly used werent really new ideas winner ranks glider styro foam wings tail surfaces stood up well launch stresses builder readily admitted launch technique wasnt showing gliders potential certainly idea worth trying used styrofoam trays come under meat source construction found works almost like balsa wood razor plane sandpaper put things good shape tissue triangles attached top bottom wing root reinforce wing center section tissue narrow leading edge 24 Model Aviation Left iuuuur aiegury nemp uan uunine wiin Cub J-3 Peanut Above picture-book launch Jimmy Clem gets off Paper Stick winning flight Below beautiful vintage aircraft American Eagle George Meyer uy LC3UI vymiri ru urna uuIgru narg-n-nuund hand-launcheu gi utilized high aspect ratio Right Junior National Champ Barry et Jr releases cabin model official flight structure below fuselage satisfies cross-section rule perhaps three inches wide trailing edge Water-thinned white glue used attach tissue no type polish used smooth surface beyond finish attainable very fine sandpaper Indoor Scale entrants usual op portunity fly AMA Scale plus two other unofficial events Navy Scale Peanut Scale last two events sponsored Miami Indoor Aircraft Model Assoc complete unique wall plaques large framed pictures Navy aircraft offered prizes MIAMA based Miami Fla course Peanut event drew 33 entries Indoor Scale first added Nats some years ago Peanut Scale has offered unofficial event different sponsoring groups Scale excellence AMA Scale mod els encouraged rules flight points cannot exceed scale points minimum 5-second flight must achieved order model qualify scale points awarded Peanut Scale models limited 13 span scale points limited 15 encourages models capable long flights poor replicas can awarded negative scale points effectively reduce flight points en courage some greater adherence scale appearance Navy Scale event held models either Peanut AMA Scale events models must rep licas aircraft served Navy nation Navy Scale Results MikeArlingtonSE-SA Fedor Tex 2RolfePotomacStinson Gregory Md SR-S 3JohnMiamiMartin Martin Fla MO-I Peanut Scale Results 1 JohnMiamiLacey M-lO Martin 2 ButchGreatLacey M-lO Hadland ain 3 ButchGreatWittman Hadland* ain Tailwind 4 ButchGreat1911 Hadland* ain Cessna 5 GeorgeCorpus Christi Lacey M-lO Meyer Texas * Unlimited entry permitted best ef fort counts Best looking plane Hadlands 1911 Cessna purist microfilm fliers real test indoor site much time models will whether models will hang up land bleachers Due cold air Monday rained again best times microfilm models fell about two minutes short 1974 times massive scoreboard its large open top caught models last year lowered once hour permit re trieval models year Civic Center personnel went extra mile hospitality shrouded jaws doom plastic small gap remained trapped unlucky model Also strip masking tape worked loose just enough catch occasional model otherwise hangups almost nonex istent course building has its own pecularities best times fly predicated outside weather condi tions Sports Arena Civic Center surrounded rest Center except north side has occasional persistent drift Large changes outside weather such sunshine rain will trigger drift takes hours settle out Quite often winners have recognized building peculiarities made flights ap propriate times way knowledge able fliers avoid drift minimize its effect models land floor instead bleachers Quite often such flight strategy will gain flier repu tation unbeatable certainly 1975 Nats winners listed elsewhere have such experience Declining entry Indoor Cabin event has caused concern several years resulted some unclaimed trophies year event flown all-age combined event championship points awarded Juniors Seniors according totheirrankingwithintheir own age group Two groups mainly entered Juniors Seniors seeking championship points few dedicated indoor fliers trying win prestigious Stout Perpetual trophy FAI Indoor Stick first flown 1974 Nats year also agecombined event interesting note continued page 69 November1975 25 John McCully adjusts condenser-paper coy- Wide-chord Pennyplane Richard Doig ered Easy B entry took second place covered Microlitethin light plastic Releasing Stinson SR-5 AMA Indoor Scale entry Rolfe Gregory also sported impressive flying Cessna C-37 Aeronca K August 1975 issue Mode/Aviation Nats/FF/Tenny continued page 25 time scores published elsewhere two-flight totals approximate Indoor Stick models years minimum weight requirement FAI models deemed prevent FAI models attaining times anywhere near unrestricted Indoor Stick models has proven true prac tice blimp hangar competition FAL model times come close AMAs Queen Airthe maximum area 300 sq models factor seems help fliers realize may have good chance havent skills build super-light models Mathemati cally theoretically potential door Stick models better FAI models competition air conditions flight strategy other smaller effects tend minimize supposed advantage minimize performance gap two classes Easy B event has around since 1960 added 1974 Nats Agenda returned year about same entry level before popularrubber-powered events Unfortunately Easy B sort orphan event Easy B usually too heavy safely share air micro film models also able mingle gliders As consequence some hard feelings come up Easy B models en danger damage other rubber-powered models due being scheduled fly same time knotty problem needs attention Nats management lets hope address effectively soon Easy B very viable event helps encourage newcomers indoor ac tivity However must permitted discourage other events because event scheduling throws incompatible mod els same crowded air space PennyPlane another formula model like Easy B again sponsored un official event Chicago Aeronuts As usual entry fee pennywhich also much model must weigh Also usual trophy lineup belied entry feeit dedicated club spends its own treasury freely havent heard PennyPlane limited wing span motor stick length overall length addition weight minimum As result PennyPlane excellent transitional event helps lure outside fliers indoor flying emphasis clever aerodynamics good application rubber motors prop design Outdoor fliers less reluc tant try models feeling correctly weight limiting tends up per performance range give clever skilled model craftsman excellent change against indoor fliers large-chord PennyPlanes won 1974 event largely missing PerinaGloss Coverite may newest revolution covering material Heres unsolicited testimonial editor RC Modeler Mr Don Dewey quote part August 1975 issue .. iron-on plastic fabrics several minor dis advantages Among high gloss plastic look could hidden several coats exhaust residue addition materials have tendency sag during periods extreme humidity changes . would like have next model covered fabric far stronger silk covers up minor surface imperfections actually contains four coats paint realistic painted fabric appearance no plastic sheen will never shatter sag scratch best all have iron sanded framework . will find aircraft covered Coverite PermaGloss will have lightest yet strongest coverings can possibly apply addition will have painted fabric appearance would find difficult equal silk dope aircraft particularly strength-to-weight ratio • standpoint realistic appearance strength W durability ease repair mention ease revolution covering materials RUBBER POWERED FLYING MODELS KITS S SSORIES PECK ROG SUPER EASY TO BUILD FLYS OVER ONE MINUTE $139 HANNAN PLANS -90 TO PICK PROM JAPANESE TISSUE ER LUBE NGERFORD WHEELS ALL SIZES OP PLASTIC PROPELLERS PECK-PUS YIVERS P ETENPOL $3 29 MIES $329 TURBULENT $329 PIPER CUB $329 ANDREASON $349 COUGAR $349 MUSTANG $349 ZERO $349 SPORT MODEL KITS STRINGLESS WONDER$249 PECK ROG$139 HEW 76 CATALOG 25 HARD TO FIND ACCESSORIES ElIS AND PLANS FOR RUBBER POWERED MODELS LA MESA CALIF 92041 P 0 BOX 2498-AMA PI4ONE 7141 448-31647141 4698675 November1975 69 application aGloss may newest CGVi1 Chestnut St Phila Pa 19106 NOW AVAILABLE F MORE wM4 same power1 etedW3e pM G0et~Vter~ to9 %O ats/F F/Tenny continued winning models reliable less touchy large-chord model tends hard trim take extraordi nary amount building skill maintain structural integrity model meets weight limit closely Thus potentially supreme large-chord model tends selfdefeating ideal conditions Very little new PennyPlane models flown year 1974 models built-up prop torque controlled ad justable pitch props did re-appear clear future increases model times will have come prop refinements special layouts such biplanes monoplane PennyPlane all-balsa prop beginning top out around 10 min utes medium ceilings perhaps 13 14 minutes high ceilings final indoor activity part Nats official eventwas South Central FAI Team Qualification Trials lack suitable site right time year event held Sports Arena after regular Nats events finished Three one-hour rounds tween 9 pm midnight gave FAI fliers best air available both Sunday Monday nights top FAI times improved air bettered Nats times about two minutes Dan Domina posted 2248 single best time against Stan Chiltons 20344 best Nats time earlier day FAI team selection scorings points top point winners Trials Stan Chilton 29632 Dan Domina 28442 Richard Whitten Senior scoring 28494 Maximum score Trials 300 points flier must make total 480 points two Trials qualify entry Finals will held Lakehurst Labor Day weekend 652 Miles/Weber continued page 37 kilometers 225 miles 5 hours 38 minutes averaging 40 mph Upon removing wing over joyed see what looked like 75% fuel remaining would another day longer record Tortoise noticed check valve pressure system failed allow air tanks replace fuel removed tanks partially collapsed engine suction subsequent measurement showed 55% fuel actually re mained works out about 650 miles per gallon problem stopped plane found same May bottom crankcase broke under main bearing reason problem now clear high-com pression loads diesel operation exceed crankcase can tolerate extended periods operation Ifastronger engine can found believe can plane should capable 500 miles closed course straight line course larger wing lower rpms maybe can exceed present duration record 14 hours set last year Lars Giertz Houston An assault world records cannot made help people greatest help came Dean Smith engineering expertise machin ing abilities indispensible Dean kicked around ideas went down share dead ends before finding right combination Dean made pres sure regulator parts diesel con versions other parts used assorted experiments tried also bene fitted discussions Don Jehlik Cliff Telford both world champions gentlemen Editors Note straight-line distance RC performance record approximately 266 miles established author August 16 record process being homolgated FAI Take-off 931 am Newton Kan landing took place 449 pm Enole Nebr 70 Model Aviation YELLOW z Blade Pusher ces 5%-3 5/i 4 6-364354 8-6854 9-610-61 3 BIaSe Tractor 5-34 6-3 6-4 504 3 Blade Pusher 6-3504 54 &6 8-8 125 9-610-6 104 150 ISLAMIo6Pusher Metallic AIuUim Color150 ~3 Seh 5 3 5 4 304 6-36-4354 74767-8504 848688654 9-49-697118 10-4106854 11411-611-81 RC 124 125126150 ORISH BROS ST JOHN INOIANA 46373 1974 Grand National Champ Mark Valerius prepares Paper Stick official flight 1911 Cessna Butch Hadland England weighs 55 grams awarded highest appearance points Peanut Stsn Chilton second-place Easy B air foil has accelerated entry exit curves Close up special field box containing right interlace equipment described article compact arrangement
Edition: Model Aviation - 1975/11
Page Numbers: 24, 25, 69, 70
I FREE HT Indoor Bud Tenny THE 1975 NATS Indoor events beautiful Civic Center downtown Lake Charles La fewer entrants 1974 event did rest Nats Most same faces along few new ones engaged close competition post about same times 1974 Time-a-flight fly-a-flight has become way life Nats volunteer tim ers worked hard fill gaps during rush periods Maybe resulting lack mality goodat least timers un excelled opportunity learning closerange observation HL glider times Sunday similar 1974 times spite much cooler air resulting froin steady rain day Also flier observed air turbulence floor level seemed higher last year low ceiling HLG flying floor turbulence very im portant factor medium ceil ing site such rough air can shave over second off potential time welltrimmed glider recognition tur bulence problem CD Sandy Frank set up alternating sessions test flying offi cial flying Before adoption practice several years ago Nats indoor HLG ses sions usually resembled bee swarm Glid ers would bounce off people fall through air churned feet Now official flying sessions have few fli ers timers flight arena greatly improves flying conditions As usual wide variety glider designs flown course Super Sweeps Sweepettes other designs abounded well Accurate launches proper weight gliders good trim will often outweigh advantages super design properly used werent really new ideas winner ranks glider styro foam wings tail surfaces stood up well launch stresses builder readily admitted launch technique wasnt showing gliders potential certainly idea worth trying used styrofoam trays come under meat source construction found works almost like balsa wood razor plane sandpaper put things good shape tissue triangles attached top bottom wing root reinforce wing center section tissue narrow leading edge 24 Model Aviation Left iuuuur aiegury nemp uan uunine wiin Cub J-3 Peanut Above picture-book launch Jimmy Clem gets off Paper Stick winning flight Below beautiful vintage aircraft American Eagle George Meyer uy LC3UI vymiri ru urna uuIgru narg-n-nuund hand-launcheu gi utilized high aspect ratio Right Junior National Champ Barry et Jr releases cabin model official flight structure below fuselage satisfies cross-section rule perhaps three inches wide trailing edge Water-thinned white glue used attach tissue no type polish used smooth surface beyond finish attainable very fine sandpaper Indoor Scale entrants usual op portunity fly AMA Scale plus two other unofficial events Navy Scale Peanut Scale last two events sponsored Miami Indoor Aircraft Model Assoc complete unique wall plaques large framed pictures Navy aircraft offered prizes MIAMA based Miami Fla course Peanut event drew 33 entries Indoor Scale first added Nats some years ago Peanut Scale has offered unofficial event different sponsoring groups Scale excellence AMA Scale mod els encouraged rules flight points cannot exceed scale points minimum 5-second flight must achieved order model qualify scale points awarded Peanut Scale models limited 13 span scale points limited 15 encourages models capable long flights poor replicas can awarded negative scale points effectively reduce flight points en courage some greater adherence scale appearance Navy Scale event held models either Peanut AMA Scale events models must rep licas aircraft served Navy nation Navy Scale Results MikeArlingtonSE-SA Fedor Tex 2RolfePotomacStinson Gregory Md SR-S 3JohnMiamiMartin Martin Fla MO-I Peanut Scale Results 1 JohnMiamiLacey M-lO Martin 2 ButchGreatLacey M-lO Hadland ain 3 ButchGreatWittman Hadland* ain Tailwind 4 ButchGreat1911 Hadland* ain Cessna 5 GeorgeCorpus Christi Lacey M-lO Meyer Texas * Unlimited entry permitted best ef fort counts Best looking plane Hadlands 1911 Cessna purist microfilm fliers real test indoor site much time models will whether models will hang up land bleachers Due cold air Monday rained again best times microfilm models fell about two minutes short 1974 times massive scoreboard its large open top caught models last year lowered once hour permit re trieval models year Civic Center personnel went extra mile hospitality shrouded jaws doom plastic small gap remained trapped unlucky model Also strip masking tape worked loose just enough catch occasional model otherwise hangups almost nonex istent course building has its own pecularities best times fly predicated outside weather condi tions Sports Arena Civic Center surrounded rest Center except north side has occasional persistent drift Large changes outside weather such sunshine rain will trigger drift takes hours settle out Quite often winners have recognized building peculiarities made flights ap propriate times way knowledge able fliers avoid drift minimize its effect models land floor instead bleachers Quite often such flight strategy will gain flier repu tation unbeatable certainly 1975 Nats winners listed elsewhere have such experience Declining entry Indoor Cabin event has caused concern several years resulted some unclaimed trophies year event flown all-age combined event championship points awarded Juniors Seniors according totheirrankingwithintheir own age group Two groups mainly entered Juniors Seniors seeking championship points few dedicated indoor fliers trying win prestigious Stout Perpetual trophy FAI Indoor Stick first flown 1974 Nats year also agecombined event interesting note continued page 69 November1975 25 John McCully adjusts condenser-paper coy- Wide-chord Pennyplane Richard Doig ered Easy B entry took second place covered Microlitethin light plastic Releasing Stinson SR-5 AMA Indoor Scale entry Rolfe Gregory also sported impressive flying Cessna C-37 Aeronca K August 1975 issue Mode/Aviation Nats/FF/Tenny continued page 25 time scores published elsewhere two-flight totals approximate Indoor Stick models years minimum weight requirement FAI models deemed prevent FAI models attaining times anywhere near unrestricted Indoor Stick models has proven true prac tice blimp hangar competition FAL model times come close AMAs Queen Airthe maximum area 300 sq models factor seems help fliers realize may have good chance havent skills build super-light models Mathemati cally theoretically potential door Stick models better FAI models competition air conditions flight strategy other smaller effects tend minimize supposed advantage minimize performance gap two classes Easy B event has around since 1960 added 1974 Nats Agenda returned year about same entry level before popularrubber-powered events Unfortunately Easy B sort orphan event Easy B usually too heavy safely share air micro film models also able mingle gliders As consequence some hard feelings come up Easy B models en danger damage other rubber-powered models due being scheduled fly same time knotty problem needs attention Nats management lets hope address effectively soon Easy B very viable event helps encourage newcomers indoor ac tivity However must permitted discourage other events because event scheduling throws incompatible mod els same crowded air space PennyPlane another formula model like Easy B again sponsored un official event Chicago Aeronuts As usual entry fee pennywhich also much model must weigh Also usual trophy lineup belied entry feeit dedicated club spends its own treasury freely havent heard PennyPlane limited wing span motor stick length overall length addition weight minimum As result PennyPlane excellent transitional event helps lure outside fliers indoor flying emphasis clever aerodynamics good application rubber motors prop design Outdoor fliers less reluc tant try models feeling correctly weight limiting tends up per performance range give clever skilled model craftsman excellent change against indoor fliers large-chord PennyPlanes won 1974 event largely missing PerinaGloss Coverite may newest revolution covering material Heres unsolicited testimonial editor RC Modeler Mr Don Dewey quote part August 1975 issue .. iron-on plastic fabrics several minor dis advantages Among high gloss plastic look could hidden several coats exhaust residue addition materials have tendency sag during periods extreme humidity changes . would like have next model covered fabric far stronger silk covers up minor surface imperfections actually contains four coats paint realistic painted fabric appearance no plastic sheen will never shatter sag scratch best all have iron sanded framework . will find aircraft covered Coverite PermaGloss will have lightest yet strongest coverings can possibly apply addition will have painted fabric appearance would find difficult equal silk dope aircraft particularly strength-to-weight ratio • standpoint realistic appearance strength W durability ease repair mention ease revolution covering materials RUBBER POWERED FLYING MODELS KITS S SSORIES PECK ROG SUPER EASY TO BUILD FLYS OVER ONE MINUTE $139 HANNAN PLANS -90 TO PICK PROM JAPANESE TISSUE ER LUBE NGERFORD WHEELS ALL SIZES OP PLASTIC PROPELLERS PECK-PUS YIVERS P ETENPOL $3 29 MIES $329 TURBULENT $329 PIPER CUB $329 ANDREASON $349 COUGAR $349 MUSTANG $349 ZERO $349 SPORT MODEL KITS STRINGLESS WONDER$249 PECK ROG$139 HEW 76 CATALOG 25 HARD TO FIND ACCESSORIES ElIS AND PLANS FOR RUBBER POWERED MODELS LA MESA CALIF 92041 P 0 BOX 2498-AMA PI4ONE 7141 448-31647141 4698675 November1975 69 application aGloss may newest CGVi1 Chestnut St Phila Pa 19106 NOW AVAILABLE F MORE wM4 same power1 etedW3e pM G0et~Vter~ to9 %O ats/F F/Tenny continued winning models reliable less touchy large-chord model tends hard trim take extraordi nary amount building skill maintain structural integrity model meets weight limit closely Thus potentially supreme large-chord model tends selfdefeating ideal conditions Very little new PennyPlane models flown year 1974 models built-up prop torque controlled ad justable pitch props did re-appear clear future increases model times will have come prop refinements special layouts such biplanes monoplane PennyPlane all-balsa prop beginning top out around 10 min utes medium ceilings perhaps 13 14 minutes high ceilings final indoor activity part Nats official eventwas South Central FAI Team Qualification Trials lack suitable site right time year event held Sports Arena after regular Nats events finished Three one-hour rounds tween 9 pm midnight gave FAI fliers best air available both Sunday Monday nights top FAI times improved air bettered Nats times about two minutes Dan Domina posted 2248 single best time against Stan Chiltons 20344 best Nats time earlier day FAI team selection scorings points top point winners Trials Stan Chilton 29632 Dan Domina 28442 Richard Whitten Senior scoring 28494 Maximum score Trials 300 points flier must make total 480 points two Trials qualify entry Finals will held Lakehurst Labor Day weekend 652 Miles/Weber continued page 37 kilometers 225 miles 5 hours 38 minutes averaging 40 mph Upon removing wing over joyed see what looked like 75% fuel remaining would another day longer record Tortoise noticed check valve pressure system failed allow air tanks replace fuel removed tanks partially collapsed engine suction subsequent measurement showed 55% fuel actually re mained works out about 650 miles per gallon problem stopped plane found same May bottom crankcase broke under main bearing reason problem now clear high-com pression loads diesel operation exceed crankcase can tolerate extended periods operation Ifastronger engine can found believe can plane should capable 500 miles closed course straight line course larger wing lower rpms maybe can exceed present duration record 14 hours set last year Lars Giertz Houston An assault world records cannot made help people greatest help came Dean Smith engineering expertise machin ing abilities indispensible Dean kicked around ideas went down share dead ends before finding right combination Dean made pres sure regulator parts diesel con versions other parts used assorted experiments tried also bene fitted discussions Don Jehlik Cliff Telford both world champions gentlemen Editors Note straight-line distance RC performance record approximately 266 miles established author August 16 record process being homolgated FAI Take-off 931 am Newton Kan landing took place 449 pm Enole Nebr 70 Model Aviation YELLOW z Blade Pusher ces 5%-3 5/i 4 6-364354 8-6854 9-610-61 3 BIaSe Tractor 5-34 6-3 6-4 504 3 Blade Pusher 6-3504 54 &6 8-8 125 9-610-6 104 150 ISLAMIo6Pusher Metallic AIuUim Color150 ~3 Seh 5 3 5 4 304 6-36-4354 74767-8504 848688654 9-49-697118 10-4106854 11411-611-81 RC 124 125126150 ORISH BROS ST JOHN INOIANA 46373 1974 Grand National Champ Mark Valerius prepares Paper Stick official flight 1911 Cessna Butch Hadland England weighs 55 grams awarded highest appearance points Peanut Stsn Chilton second-place Easy B air foil has accelerated entry exit curves Close up special field box containing right interlace equipment described article compact arrangement
Edition: Model Aviation - 1975/11
Page Numbers: 24, 25, 69, 70
I FREE HT Indoor Bud Tenny THE 1975 NATS Indoor events beautiful Civic Center downtown Lake Charles La fewer entrants 1974 event did rest Nats Most same faces along few new ones engaged close competition post about same times 1974 Time-a-flight fly-a-flight has become way life Nats volunteer tim ers worked hard fill gaps during rush periods Maybe resulting lack mality goodat least timers un excelled opportunity learning closerange observation HL glider times Sunday similar 1974 times spite much cooler air resulting froin steady rain day Also flier observed air turbulence floor level seemed higher last year low ceiling HLG flying floor turbulence very im portant factor medium ceil ing site such rough air can shave over second off potential time welltrimmed glider recognition tur bulence problem CD Sandy Frank set up alternating sessions test flying offi cial flying Before adoption practice several years ago Nats indoor HLG ses sions usually resembled bee swarm Glid ers would bounce off people fall through air churned feet Now official flying sessions have few fli ers timers flight arena greatly improves flying conditions As usual wide variety glider designs flown course Super Sweeps Sweepettes other designs abounded well Accurate launches proper weight gliders good trim will often outweigh advantages super design properly used werent really new ideas winner ranks glider styro foam wings tail surfaces stood up well launch stresses builder readily admitted launch technique wasnt showing gliders potential certainly idea worth trying used styrofoam trays come under meat source construction found works almost like balsa wood razor plane sandpaper put things good shape tissue triangles attached top bottom wing root reinforce wing center section tissue narrow leading edge 24 Model Aviation Left iuuuur aiegury nemp uan uunine wiin Cub J-3 Peanut Above picture-book launch Jimmy Clem gets off Paper Stick winning flight Below beautiful vintage aircraft American Eagle George Meyer uy LC3UI vymiri ru urna uuIgru narg-n-nuund hand-launcheu gi utilized high aspect ratio Right Junior National Champ Barry et Jr releases cabin model official flight structure below fuselage satisfies cross-section rule perhaps three inches wide trailing edge Water-thinned white glue used attach tissue no type polish used smooth surface beyond finish attainable very fine sandpaper Indoor Scale entrants usual op portunity fly AMA Scale plus two other unofficial events Navy Scale Peanut Scale last two events sponsored Miami Indoor Aircraft Model Assoc complete unique wall plaques large framed pictures Navy aircraft offered prizes MIAMA based Miami Fla course Peanut event drew 33 entries Indoor Scale first added Nats some years ago Peanut Scale has offered unofficial event different sponsoring groups Scale excellence AMA Scale mod els encouraged rules flight points cannot exceed scale points minimum 5-second flight must achieved order model qualify scale points awarded Peanut Scale models limited 13 span scale points limited 15 encourages models capable long flights poor replicas can awarded negative scale points effectively reduce flight points en courage some greater adherence scale appearance Navy Scale event held models either Peanut AMA Scale events models must rep licas aircraft served Navy nation Navy Scale Results MikeArlingtonSE-SA Fedor Tex 2RolfePotomacStinson Gregory Md SR-S 3JohnMiamiMartin Martin Fla MO-I Peanut Scale Results 1 JohnMiamiLacey M-lO Martin 2 ButchGreatLacey M-lO Hadland ain 3 ButchGreatWittman Hadland* ain Tailwind 4 ButchGreat1911 Hadland* ain Cessna 5 GeorgeCorpus Christi Lacey M-lO Meyer Texas * Unlimited entry permitted best ef fort counts Best looking plane Hadlands 1911 Cessna purist microfilm fliers real test indoor site much time models will whether models will hang up land bleachers Due cold air Monday rained again best times microfilm models fell about two minutes short 1974 times massive scoreboard its large open top caught models last year lowered once hour permit re trieval models year Civic Center personnel went extra mile hospitality shrouded jaws doom plastic small gap remained trapped unlucky model Also strip masking tape worked loose just enough catch occasional model otherwise hangups almost nonex istent course building has its own pecularities best times fly predicated outside weather condi tions Sports Arena Civic Center surrounded rest Center except north side has occasional persistent drift Large changes outside weather such sunshine rain will trigger drift takes hours settle out Quite often winners have recognized building peculiarities made flights ap propriate times way knowledge able fliers avoid drift minimize its effect models land floor instead bleachers Quite often such flight strategy will gain flier repu tation unbeatable certainly 1975 Nats winners listed elsewhere have such experience Declining entry Indoor Cabin event has caused concern several years resulted some unclaimed trophies year event flown all-age combined event championship points awarded Juniors Seniors according totheirrankingwithintheir own age group Two groups mainly entered Juniors Seniors seeking championship points few dedicated indoor fliers trying win prestigious Stout Perpetual trophy FAI Indoor Stick first flown 1974 Nats year also agecombined event interesting note continued page 69 November1975 25 John McCully adjusts condenser-paper coy- Wide-chord Pennyplane Richard Doig ered Easy B entry took second place covered Microlitethin light plastic Releasing Stinson SR-5 AMA Indoor Scale entry Rolfe Gregory also sported impressive flying Cessna C-37 Aeronca K August 1975 issue Mode/Aviation Nats/FF/Tenny continued page 25 time scores published elsewhere two-flight totals approximate Indoor Stick models years minimum weight requirement FAI models deemed prevent FAI models attaining times anywhere near unrestricted Indoor Stick models has proven true prac tice blimp hangar competition FAL model times come close AMAs Queen Airthe maximum area 300 sq models factor seems help fliers realize may have good chance havent skills build super-light models Mathemati cally theoretically potential door Stick models better FAI models competition air conditions flight strategy other smaller effects tend minimize supposed advantage minimize performance gap two classes Easy B event has around since 1960 added 1974 Nats Agenda returned year about same entry level before popularrubber-powered events Unfortunately Easy B sort orphan event Easy B usually too heavy safely share air micro film models also able mingle gliders As consequence some hard feelings come up Easy B models en danger damage other rubber-powered models due being scheduled fly same time knotty problem needs attention Nats management lets hope address effectively soon Easy B very viable event helps encourage newcomers indoor ac tivity However must permitted discourage other events because event scheduling throws incompatible mod els same crowded air space PennyPlane another formula model like Easy B again sponsored un official event Chicago Aeronuts As usual entry fee pennywhich also much model must weigh Also usual trophy lineup belied entry feeit dedicated club spends its own treasury freely havent heard PennyPlane limited wing span motor stick length overall length addition weight minimum As result PennyPlane excellent transitional event helps lure outside fliers indoor flying emphasis clever aerodynamics good application rubber motors prop design Outdoor fliers less reluc tant try models feeling correctly weight limiting tends up per performance range give clever skilled model craftsman excellent change against indoor fliers large-chord PennyPlanes won 1974 event largely missing PerinaGloss Coverite may newest revolution covering material Heres unsolicited testimonial editor RC Modeler Mr Don Dewey quote part August 1975 issue .. iron-on plastic fabrics several minor dis advantages Among high gloss plastic look could hidden several coats exhaust residue addition materials have tendency sag during periods extreme humidity changes . would like have next model covered fabric far stronger silk covers up minor surface imperfections actually contains four coats paint realistic painted fabric appearance no plastic sheen will never shatter sag scratch best all have iron sanded framework . will find aircraft covered Coverite PermaGloss will have lightest yet strongest coverings can possibly apply addition will have painted fabric appearance would find difficult equal silk dope aircraft particularly strength-to-weight ratio • standpoint realistic appearance strength W durability ease repair mention ease revolution covering materials RUBBER POWERED FLYING MODELS KITS S SSORIES PECK ROG SUPER EASY TO BUILD FLYS OVER ONE MINUTE $139 HANNAN PLANS -90 TO PICK PROM JAPANESE TISSUE ER LUBE NGERFORD WHEELS ALL SIZES OP PLASTIC PROPELLERS PECK-PUS YIVERS P ETENPOL $3 29 MIES $329 TURBULENT $329 PIPER CUB $329 ANDREASON $349 COUGAR $349 MUSTANG $349 ZERO $349 SPORT MODEL KITS STRINGLESS WONDER$249 PECK ROG$139 HEW 76 CATALOG 25 HARD TO FIND ACCESSORIES ElIS AND PLANS FOR RUBBER POWERED MODELS LA MESA CALIF 92041 P 0 BOX 2498-AMA PI4ONE 7141 448-31647141 4698675 November1975 69 application aGloss may newest CGVi1 Chestnut St Phila Pa 19106 NOW AVAILABLE F MORE wM4 same power1 etedW3e pM G0et~Vter~ to9 %O ats/F F/Tenny continued winning models reliable less touchy large-chord model tends hard trim take extraordi nary amount building skill maintain structural integrity model meets weight limit closely Thus potentially supreme large-chord model tends selfdefeating ideal conditions Very little new PennyPlane models flown year 1974 models built-up prop torque controlled ad justable pitch props did re-appear clear future increases model times will have come prop refinements special layouts such biplanes monoplane PennyPlane all-balsa prop beginning top out around 10 min utes medium ceilings perhaps 13 14 minutes high ceilings final indoor activity part Nats official eventwas South Central FAI Team Qualification Trials lack suitable site right time year event held Sports Arena after regular Nats events finished Three one-hour rounds tween 9 pm midnight gave FAI fliers best air available both Sunday Monday nights top FAI times improved air bettered Nats times about two minutes Dan Domina posted 2248 single best time against Stan Chiltons 20344 best Nats time earlier day FAI team selection scorings points top point winners Trials Stan Chilton 29632 Dan Domina 28442 Richard Whitten Senior scoring 28494 Maximum score Trials 300 points flier must make total 480 points two Trials qualify entry Finals will held Lakehurst Labor Day weekend 652 Miles/Weber continued page 37 kilometers 225 miles 5 hours 38 minutes averaging 40 mph Upon removing wing over joyed see what looked like 75% fuel remaining would another day longer record Tortoise noticed check valve pressure system failed allow air tanks replace fuel removed tanks partially collapsed engine suction subsequent measurement showed 55% fuel actually re mained works out about 650 miles per gallon problem stopped plane found same May bottom crankcase broke under main bearing reason problem now clear high-com pression loads diesel operation exceed crankcase can tolerate extended periods operation Ifastronger engine can found believe can plane should capable 500 miles closed course straight line course larger wing lower rpms maybe can exceed present duration record 14 hours set last year Lars Giertz Houston An assault world records cannot made help people greatest help came Dean Smith engineering expertise machin ing abilities indispensible Dean kicked around ideas went down share dead ends before finding right combination Dean made pres sure regulator parts diesel con versions other parts used assorted experiments tried also bene fitted discussions Don Jehlik Cliff Telford both world champions gentlemen Editors Note straight-line distance RC performance record approximately 266 miles established author August 16 record process being homolgated FAI Take-off 931 am Newton Kan landing took place 449 pm Enole Nebr 70 Model Aviation YELLOW z Blade Pusher ces 5%-3 5/i 4 6-364354 8-6854 9-610-61 3 BIaSe Tractor 5-34 6-3 6-4 504 3 Blade Pusher 6-3504 54 &6 8-8 125 9-610-6 104 150 ISLAMIo6Pusher Metallic AIuUim Color150 ~3 Seh 5 3 5 4 304 6-36-4354 74767-8504 848688654 9-49-697118 10-4106854 11411-611-81 RC 124 125126150 ORISH BROS ST JOHN INOIANA 46373 1974 Grand National Champ Mark Valerius prepares Paper Stick official flight 1911 Cessna Butch Hadland England weighs 55 grams awarded highest appearance points Peanut Stsn Chilton second-place Easy B air foil has accelerated entry exit curves Close up special field box containing right interlace equipment described article compact arrangement
Edition: Model Aviation - 1975/11
Page Numbers: 24, 25, 69, 70
I FREE HT Indoor Bud Tenny THE 1975 NATS Indoor events beautiful Civic Center downtown Lake Charles La fewer entrants 1974 event did rest Nats Most same faces along few new ones engaged close competition post about same times 1974 Time-a-flight fly-a-flight has become way life Nats volunteer tim ers worked hard fill gaps during rush periods Maybe resulting lack mality goodat least timers un excelled opportunity learning closerange observation HL glider times Sunday similar 1974 times spite much cooler air resulting froin steady rain day Also flier observed air turbulence floor level seemed higher last year low ceiling HLG flying floor turbulence very im portant factor medium ceil ing site such rough air can shave over second off potential time welltrimmed glider recognition tur bulence problem CD Sandy Frank set up alternating sessions test flying offi cial flying Before adoption practice several years ago Nats indoor HLG ses sions usually resembled bee swarm Glid ers would bounce off people fall through air churned feet Now official flying sessions have few fli ers timers flight arena greatly improves flying conditions As usual wide variety glider designs flown course Super Sweeps Sweepettes other designs abounded well Accurate launches proper weight gliders good trim will often outweigh advantages super design properly used werent really new ideas winner ranks glider styro foam wings tail surfaces stood up well launch stresses builder readily admitted launch technique wasnt showing gliders potential certainly idea worth trying used styrofoam trays come under meat source construction found works almost like balsa wood razor plane sandpaper put things good shape tissue triangles attached top bottom wing root reinforce wing center section tissue narrow leading edge 24 Model Aviation Left iuuuur aiegury nemp uan uunine wiin Cub J-3 Peanut Above picture-book launch Jimmy Clem gets off Paper Stick winning flight Below beautiful vintage aircraft American Eagle George Meyer uy LC3UI vymiri ru urna uuIgru narg-n-nuund hand-launcheu gi utilized high aspect ratio Right Junior National Champ Barry et Jr releases cabin model official flight structure below fuselage satisfies cross-section rule perhaps three inches wide trailing edge Water-thinned white glue used attach tissue no type polish used smooth surface beyond finish attainable very fine sandpaper Indoor Scale entrants usual op portunity fly AMA Scale plus two other unofficial events Navy Scale Peanut Scale last two events sponsored Miami Indoor Aircraft Model Assoc complete unique wall plaques large framed pictures Navy aircraft offered prizes MIAMA based Miami Fla course Peanut event drew 33 entries Indoor Scale first added Nats some years ago Peanut Scale has offered unofficial event different sponsoring groups Scale excellence AMA Scale mod els encouraged rules flight points cannot exceed scale points minimum 5-second flight must achieved order model qualify scale points awarded Peanut Scale models limited 13 span scale points limited 15 encourages models capable long flights poor replicas can awarded negative scale points effectively reduce flight points en courage some greater adherence scale appearance Navy Scale event held models either Peanut AMA Scale events models must rep licas aircraft served Navy nation Navy Scale Results MikeArlingtonSE-SA Fedor Tex 2RolfePotomacStinson Gregory Md SR-S 3JohnMiamiMartin Martin Fla MO-I Peanut Scale Results 1 JohnMiamiLacey M-lO Martin 2 ButchGreatLacey M-lO Hadland ain 3 ButchGreatWittman Hadland* ain Tailwind 4 ButchGreat1911 Hadland* ain Cessna 5 GeorgeCorpus Christi Lacey M-lO Meyer Texas * Unlimited entry permitted best ef fort counts Best looking plane Hadlands 1911 Cessna purist microfilm fliers real test indoor site much time models will whether models will hang up land bleachers Due cold air Monday rained again best times microfilm models fell about two minutes short 1974 times massive scoreboard its large open top caught models last year lowered once hour permit re trieval models year Civic Center personnel went extra mile hospitality shrouded jaws doom plastic small gap remained trapped unlucky model Also strip masking tape worked loose just enough catch occasional model otherwise hangups almost nonex istent course building has its own pecularities best times fly predicated outside weather condi tions Sports Arena Civic Center surrounded rest Center except north side has occasional persistent drift Large changes outside weather such sunshine rain will trigger drift takes hours settle out Quite often winners have recognized building peculiarities made flights ap propriate times way knowledge able fliers avoid drift minimize its effect models land floor instead bleachers Quite often such flight strategy will gain flier repu tation unbeatable certainly 1975 Nats winners listed elsewhere have such experience Declining entry Indoor Cabin event has caused concern several years resulted some unclaimed trophies year event flown all-age combined event championship points awarded Juniors Seniors according totheirrankingwithintheir own age group Two groups mainly entered Juniors Seniors seeking championship points few dedicated indoor fliers trying win prestigious Stout Perpetual trophy FAI Indoor Stick first flown 1974 Nats year also agecombined event interesting note continued page 69 November1975 25 John McCully adjusts condenser-paper coy- Wide-chord Pennyplane Richard Doig ered Easy B entry took second place covered Microlitethin light plastic Releasing Stinson SR-5 AMA Indoor Scale entry Rolfe Gregory also sported impressive flying Cessna C-37 Aeronca K August 1975 issue Mode/Aviation Nats/FF/Tenny continued page 25 time scores published elsewhere two-flight totals approximate Indoor Stick models years minimum weight requirement FAI models deemed prevent FAI models attaining times anywhere near unrestricted Indoor Stick models has proven true prac tice blimp hangar competition FAL model times come close AMAs Queen Airthe maximum area 300 sq models factor seems help fliers realize may have good chance havent skills build super-light models Mathemati cally theoretically potential door Stick models better FAI models competition air conditions flight strategy other smaller effects tend minimize supposed advantage minimize performance gap two classes Easy B event has around since 1960 added 1974 Nats Agenda returned year about same entry level before popularrubber-powered events Unfortunately Easy B sort orphan event Easy B usually too heavy safely share air micro film models also able mingle gliders As consequence some hard feelings come up Easy B models en danger damage other rubber-powered models due being scheduled fly same time knotty problem needs attention Nats management lets hope address effectively soon Easy B very viable event helps encourage newcomers indoor ac tivity However must permitted discourage other events because event scheduling throws incompatible mod els same crowded air space PennyPlane another formula model like Easy B again sponsored un official event Chicago Aeronuts As usual entry fee pennywhich also much model must weigh Also usual trophy lineup belied entry feeit dedicated club spends its own treasury freely havent heard PennyPlane limited wing span motor stick length overall length addition weight minimum As result PennyPlane excellent transitional event helps lure outside fliers indoor flying emphasis clever aerodynamics good application rubber motors prop design Outdoor fliers less reluc tant try models feeling correctly weight limiting tends up per performance range give clever skilled model craftsman excellent change against indoor fliers large-chord PennyPlanes won 1974 event largely missing PerinaGloss Coverite may newest revolution covering material Heres unsolicited testimonial editor RC Modeler Mr Don Dewey quote part August 1975 issue .. iron-on plastic fabrics several minor dis advantages Among high gloss plastic look could hidden several coats exhaust residue addition materials have tendency sag during periods extreme humidity changes . would like have next model covered fabric far stronger silk covers up minor surface imperfections actually contains four coats paint realistic painted fabric appearance no plastic sheen will never shatter sag scratch best all have iron sanded framework . will find aircraft covered Coverite PermaGloss will have lightest yet strongest coverings can possibly apply addition will have painted fabric appearance would find difficult equal silk dope aircraft particularly strength-to-weight ratio • standpoint realistic appearance strength W durability ease repair mention ease revolution covering materials RUBBER POWERED FLYING MODELS KITS S SSORIES PECK ROG SUPER EASY TO BUILD FLYS OVER ONE MINUTE $139 HANNAN PLANS -90 TO PICK PROM JAPANESE TISSUE ER LUBE NGERFORD WHEELS ALL SIZES OP PLASTIC PROPELLERS PECK-PUS YIVERS P ETENPOL $3 29 MIES $329 TURBULENT $329 PIPER CUB $329 ANDREASON $349 COUGAR $349 MUSTANG $349 ZERO $349 SPORT MODEL KITS STRINGLESS WONDER$249 PECK ROG$139 HEW 76 CATALOG 25 HARD TO FIND ACCESSORIES ElIS AND PLANS FOR RUBBER POWERED MODELS LA MESA CALIF 92041 P 0 BOX 2498-AMA PI4ONE 7141 448-31647141 4698675 November1975 69 application aGloss may newest CGVi1 Chestnut St Phila Pa 19106 NOW AVAILABLE F MORE wM4 same power1 etedW3e pM G0et~Vter~ to9 %O ats/F F/Tenny continued winning models reliable less touchy large-chord model tends hard trim take extraordi nary amount building skill maintain structural integrity model meets weight limit closely Thus potentially supreme large-chord model tends selfdefeating ideal conditions Very little new PennyPlane models flown year 1974 models built-up prop torque controlled ad justable pitch props did re-appear clear future increases model times will have come prop refinements special layouts such biplanes monoplane PennyPlane all-balsa prop beginning top out around 10 min utes medium ceilings perhaps 13 14 minutes high ceilings final indoor activity part Nats official eventwas South Central FAI Team Qualification Trials lack suitable site right time year event held Sports Arena after regular Nats events finished Three one-hour rounds tween 9 pm midnight gave FAI fliers best air available both Sunday Monday nights top FAI times improved air bettered Nats times about two minutes Dan Domina posted 2248 single best time against Stan Chiltons 20344 best Nats time earlier day FAI team selection scorings points top point winners Trials Stan Chilton 29632 Dan Domina 28442 Richard Whitten Senior scoring 28494 Maximum score Trials 300 points flier must make total 480 points two Trials qualify entry Finals will held Lakehurst Labor Day weekend 652 Miles/Weber continued page 37 kilometers 225 miles 5 hours 38 minutes averaging 40 mph Upon removing wing over joyed see what looked like 75% fuel remaining would another day longer record Tortoise noticed check valve pressure system failed allow air tanks replace fuel removed tanks partially collapsed engine suction subsequent measurement showed 55% fuel actually re mained works out about 650 miles per gallon problem stopped plane found same May bottom crankcase broke under main bearing reason problem now clear high-com pression loads diesel operation exceed crankcase can tolerate extended periods operation Ifastronger engine can found believe can plane should capable 500 miles closed course straight line course larger wing lower rpms maybe can exceed present duration record 14 hours set last year Lars Giertz Houston An assault world records cannot made help people greatest help came Dean Smith engineering expertise machin ing abilities indispensible Dean kicked around ideas went down share dead ends before finding right combination Dean made pres sure regulator parts diesel con versions other parts used assorted experiments tried also bene fitted discussions Don Jehlik Cliff Telford both world champions gentlemen Editors Note straight-line distance RC performance record approximately 266 miles established author August 16 record process being homolgated FAI Take-off 931 am Newton Kan landing took place 449 pm Enole Nebr 70 Model Aviation YELLOW z Blade Pusher ces 5%-3 5/i 4 6-364354 8-6854 9-610-61 3 BIaSe Tractor 5-34 6-3 6-4 504 3 Blade Pusher 6-3504 54 &6 8-8 125 9-610-6 104 150 ISLAMIo6Pusher Metallic AIuUim Color150 ~3 Seh 5 3 5 4 304 6-36-4354 74767-8504 848688654 9-49-697118 10-4106854 11411-611-81 RC 124 125126150 ORISH BROS ST JOHN INOIANA 46373 1974 Grand National Champ Mark Valerius prepares Paper Stick official flight 1911 Cessna Butch Hadland England weighs 55 grams awarded highest appearance points Peanut Stsn Chilton second-place Easy B air foil has accelerated entry exit curves Close up special field box containing right interlace equipment described article compact arrangement