NO OCR TEXT NO OCR TEXT NO OCR TEXT it there best pr f 1/16 Dlafl C r use tim onto ye materi F24 iran s lu ig ho will ot use th consist spar S4 edge S6 cture sho some attention ar IU5 H PLANS SSORIES 141741 17W SPAN STOCK NO PP 15 WALMT scaLEKIT $425 ASK POE OUR KITS AND ACCESSORIES AT YOUR LOCAL DEALRR P NOT AVAILABLE AT YOUR DEALER ORDER DIRECT ADD 608 POSTAGE 4 WALNUT SCALE KITS BABY ACE$425 PEANUT SCALE KITS PIPER J3 CUR$329 PIETENPOL$329 MILES$329 TURBULENT$329 MUSTANG$349 ZERO$349 COUGAR$349 ANDREASON$349 GIPSY MOTH$349 GANAGORIE$349 SPOIT MODEL KITS ONE NITE 28$475 ONE NITE 16$349 STRINGLESS WONDER$249 P8CM ROG$139 KITS S PLANS S ACCESSORIES hAL JAPANESD TISSUE-PROPS COMPLETE CATALOG 504 MANY HARD TO FIND ITEMS Pfl**Jg,fliMAUm*AEtEPO BOX 24W -AMALA MESA CAUF 92041 q~quqwUyqqwwwPHONE 17141 469-R&YS 1 4424636 PEANUT SCALE EECLASI~~ idea condition batteries although modelers now use sophisticated ohm/volt/amp meters places test light can used keep handy bulb couple lengths medium gauge wire couple small alligator clips business Solder end wire termi nals bulb very quickly open hole cause bulb blow Attach clips other ends wires thats also soldered pointed probe end clip able make contact places clips cannot attached like tight spots think youll find little test light very handy thing though Dont use light series points check instant opening build up current primary windings coil may burn out lamp upon collapse field points open Oops Ralph Turner Amhert Ohio wrote inform error fuse lage cross sectional area formula Old L2 Rulers proper formula Cf 2L stated Ralph accuses really being old timer goes ask anyone remembers old days Air Trails gave away class Buz zard Bombshell kit year sub scription Doubt well see days again Editors Note AT gave away 10000 kits Clarence Haught Route 5 Box 16 CoeurdAlene ID 83814 FF Indoor/Tenny continued page 44 contests held Goodyear Blimp Hangar Opa Locka Airport Miami Florida MIAMA active allindoor model club US contest event schedules typical Oe outstanding features club enthusiastic sponsorship Dr John Martin includes monthly news letter replete cartoons sketches year club holds awards ban quet recognize clubs best fliers year However real event year proxy contest Manhattan Cabin models nine entries decided models would flown same modelerFAI Indoor flier Roman Szymula After what could fair Anyway out state models won 2nd David Hagen Oregon City Oregon 4th John OLeary Minneapolis Minne sota Dan Kilgore Plantation Florida won 1st 4491 John Martin Coconut Grove Florida won third Special Classes interesting event idea gleaned club activity around country indoor scale model Old Timer Gas models approximate Peanut Scale models size certainly ought fly well scale models real airplanes have short nose-moment arms event tried Glas tonbury Connecticut 1977 won Miss America replica compete against among others Trenton Terror Miss Philly Incidentally mention made above about real air planes Model airplanes realspecialpurpose miniature aircraftwhether SAFE FLYING IS NO ACCIDENT miniatures man-carrying airplanes Indoor Sites matter overwhelming importance indoor fliers locating places fly AMA Nats usually held some site otherwise available local fliers because rent too steep local activity So local fliers hold meet often some sort school gymnasium Only Chicago two massive armories usually available New Jersey/New York hangars Lakehurst Naval Air Station Miami Florida Goodyear hang ar can really plan good sites regularly available So much Americas indoor flying goes gymnasiums small arm ories city recreation buildings Excep tions New York City Low Library Rotunda Columbia University 105 very small floor area Cincin nati Ohio fliers have occasionally used 105 Cincinnati Union Terminal CDsNow Hear two cor respondents have requested contest 21 aired column column due about 50 days before magazine contains particular column will reach reader can plan far ahead will delighted carry contest information particular interest series contests flying sessions stretching over period months big annual contests normally planned well advance Local Publicity aspect indoor modeling often overlooked newspaper TV coverage local contests recent months number clubs have quite successful getting excellent coverage newspapers ranging half page full page good photos TV coverage made NIMAS International Record Trials West Baden Indiana 1977 well edited shown network shows number cities done Bob Clemens Rochester New York says no big secret ob tam media publicity Any club group desiring coverage can talk local papers TV stations explain about models flight performance site loca tion dates Better yet would have spokesman stop paper/ station show news director TV city editor some models type being flown indoor freaks have really missed boat publicity-wise really no good reason Bud Tenny PO Box 545 Richardson TX 75080 Mentor/VanHattum continued page 48 imagine run fore aft through modelcan assured building wing open Vee dihedral So have join spars both wings 100 Model Aviation FLY WIU 9311R WE BlOWN CO-2 ENGINES RNGINES ARE IN STOCK NEW CHASGER AND 5 SIZES OF TANKS BROWN ENGINES MUST BE ORDERED DIRECT PROM PECK-POLYMERS BUILDING SCALE MODEL Need airplane photos details markings refer once documentatiOn mRke task easier major source ach photos cases onty Source Send 15-cent stamp free catalog COLLECT-AIR PHOTOS So, 14234 tOept MAt MiIw46keH Wi,0n1n 53214 Miami Indoor Aircraft Modelers Assoc continues hold varied classes monthly solidly together done means dihedral-keepers Wi 1 Knowing now building sequence wing can summarized follows Put plan building board fix lower flange main spar W4 glue ribs Wl place excep tion ones center Take care run right angles spar Next fit trailing edge W6 small triangular pieces W8 assure good connection Note direction grain has chosen contraction wood will tend towards corner gusset glued Next comes top flange W5 leading edge W7 Particularly note just much flanges spar should project beyond innermost rib After sanding tip rib surface smooth finishing rib W2 can glued onto Now center section will demand attention Two dihedral keepers Wl carefully drawn 1/16 three-ply taking care obtain exact dihedral angle After have roughly cut out jigsaw filed finished right shape course could make use tem plate draw other Check height should correspond wing under construction necessary file down fit exactly top upper flange bottom lower still have fit leading edge slots ribs sand carefully follow contour airfoil di hedral keepers may now glued spars wing Take great care properly aligned shift glue drying has done wing can joined up its counterpart blocking up finished half correct dihedral ob tained probably really tricky part whole building process See leading trailing edges just butt trim necessary Keep checking during drying glue help plan crosssections sketches finishing center section will present no difficulties Finishing Carefully inspect whole structure correct details re quired Some joints may need little glue Rough spots remains glue should sanded planed smooth fuselage including fin given two coats clear dope sanding surface smooth after layer can apply couple coats colored dope choosing white striking color model easy spot avoid ex cessive increase weight dope may thinned slightly As could happen cannot find model after landing labels name address tel ephone number should stuck main parts Covering Covering requires planning get good results Sand away rough spots Cut two panels medium heavy tissuecolors galorefor stabilizer overlap about inch Lightly moistened tissue shrinks during drying giving nice taut surface Some builders put framework damp writer prefers dampen after put using wet nailbrush running finger over preferably plant spray tissue will sag shrinks during drying Fix first tip tip fairly strong pull using either white glueslightly thinned wateror white office paste Both preferred dope dries too quickly making impossible correct wrinkles Cover lower surface first trim sharp blade razor Apply two coats clear dope pull too hard direction ribs because makes covering sag too much spoil air foil wing cannot covered oper ation half done separately technique similar stabilizer some care should taken obtain good finish center sec tion dealer will have decals dis playing name model AMA number etc Balancing Checking Assemble model using rubberbands fix wing stabilizer place should sit firmly fuselage still allow displacement case hard landing landing wing tip Bands should crossed over wing Shot pieces strip solder must put nose compartment bring center gravity balance point location shown plan Final adjust ment ballast will follow during flight tests model took about 2 ounces shot get CG right models differ yours may require somewhat less Check proper rigging angles wing tail should differ about three degrees Again final adjustment will found during testing find correct glue sliver wood fuselage either under leading edge stabilizer under trailing edge case may Watch also twists wing stabilizer will cause unwanted turn can cured either steaming side shows drooping trailing edge doping both cases twist surface opposite direction hold firmly some time Too great turning tendency flight may temporarily cured trim tab stiff paper cardboard bending up lower raised wing stabilizer placed true wing viewed front should raised side until parallel would cause too sharp turn Before take model field prepare adjustmentswhich will undoubtedly neededby taking small repair outfit such glue pins some covering tissue dope thin slices balsa plenty rubberbands some shot trimming material trim tab tape towline launch demands two im portant items towline helper helper should someone really keen assisting prepared follow instructions letter should watch flights critically able compare notes models behavior towline light strong non-elastic line some 100 feet long attached block special September 1978 101 Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TRAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andrews Aircraft Modri Co Isc US Rte 1& North St Topsfjeld Mass 01983 881-8541 Sopport AMA Price $3995 kit per dollar bar em GET ORGANIZEDATTENTION RC DEALERS s set old strrrdy fries holds overOrder large stock Kraft 4 years slyorrr faaorrte 9 15 otagazirsearadios ServosKraft EnginesAir 4 MAG FILES $495barn unitsPlus accessories Sand $496 plus $100 postage handling toKRAFT SOUTH VVESTE RN INC DOE INDUSTRIES PO Box 388-KPO 8068 Ft Worth TX 76112 DOVER NH 03820817-451-7537 Night 429-3828 572-1452 towing gear Tie ring free end small vane strip cloth below will pull ring off towhook en able see line comes free Flight Tests Mentor designed small field work does mean can flown street re stricted sports ground Choose fair-sized field free obstacles cause tur bulence may damage model Always launch dead wind start windward side ground always start off few hand launches see trim anywhere near right Launch model holding just behind CG slightly nose-down move accelerated arc will have discover speed launch will obviously depend velocity wind launch too fast first time will rear up stall dive ground Always check after landing see wing stabilizer still correct posi tions no rubberbands have come off Now hand launches show model put its nose down instead making nice extended glide fault may slow launch try again bit faster per sists flying nose heavy add tiny sliver under trailing edge stab ilizer try again As said now may put its nose up too sharply may caused too much speed bad trim Launch again still proves tail heavy add thin strip under leading edge stabilizer yet change position CG hand launch shows little amiss can glue slivers balsa permanently place dont may get lost trimming should start over again towline launch depends full attention both yourself helper Arrange clear signals avoid mis understandings Unwind some 60 feet line place ring towhook helper should see does fall off holds model just behind CG wings level nose clined slightly upward take other extreme line right wind check whether can run freely having take eye off model all-important observe its behavior prearranged signal start walk fair pacenot runand same time helper also takes few steps forward allows pull model gently hand should never push would make ring slide towhook now give attention model try pull up right speed ten sion line should learn feel whether have gauged speed cor rectly model sinks back ground proves have too slow Start again must still learn adjust towing speed strength wind Mentor has excessively strong wing spars such wing will break stressed too highly take easy strong windnot recommended test flyingthe starter may have stand quite still may have run towards model very much like launching kite time model comes overhead speed should reduced until stands right over you take pull line ring will slip gently off hook model now its own hardened veteran feels thrill accomplishment prod uct shows its merits may make difficult register movement model makes first impressions may vague second flight may watched critically model should float downwind wide circlesthere always some tend ency turnor small trim tab should glued fin make model rears up shows series stalls chances difference between rigging angles still too great leading edge stabilizer should raised minute amount Try again see same applies descent too steep case trailing edge stab must raised slightly Always work systematically carefully remem ber just what have done Bet ter make short notes changes still result smooth flight small rate descent may add remove very small amount shot thus placing CG either further forward rearward really last resort tests have shown particular wing stab plus hori zontal distance between CG given plan should correct models differ have said before stall may also caused abrupt re lease towline would mean model pulled up too fast model returns keel after few undulations have ideal setup Go easy next time trim satisfies locate bits determine angle stabilizer can attached permanently Beginners rather frightened model swerves off side well may could develop dangerous situation allowed continue right ground swerve may caused some asymmetry model should checked towing crosswind can try save model stopping gently pulling right angles flight path model should turn towards resume its normal tow However does work pretty quickly model gets closer ground line should released once may have nasty crash Try again after checking warps see may change wind higher level Practice few launches grad ually work up full length 100 feet towline Since model now will fly longer can observe better quite possible will spot scope improvements Keep practicing until know just what model capable have obtained experience Mentor youll surely want go build complicated model better performancemaybe glider radio control about per fect form model flying will know what makes tick once have flown free-flight model Mentor solid basis build 102 Model Aviation FUEL IT FLIP IT N FLY D-Varnrshrng Brushes 020-60 Fuel Bulbs 1 2 oz el /2A Fuel bye Aset lI4andl/2ATvvin Exhaust Stax order dwect 0 Teflon Reed Valve Sesid SASE literature - Dealer inquiries invited DIESEL CONVERTERS $995 sales taxI Upto 50% power 50% emnomy glow new fuel formula Diesel Fuel Pt $350 Os $500 Si p&h Davis Diesel Devlopment BOX DEPT E MILFORO CT06460 HONE 12031 877-1670 BOTH SUPER & PERMAGLOSS COME 1N43x15FT ROLLS IN ALL COLORS 2119 PIsImoni Ave Huetfsgdos Valley Pa 19006
Edition: Model Aviation - 1978/09
Page Numbers: 45, 46, 47, 48, 100, 101, 102
NO OCR TEXT NO OCR TEXT NO OCR TEXT it there best pr f 1/16 Dlafl C r use tim onto ye materi F24 iran s lu ig ho will ot use th consist spar S4 edge S6 cture sho some attention ar IU5 H PLANS SSORIES 141741 17W SPAN STOCK NO PP 15 WALMT scaLEKIT $425 ASK POE OUR KITS AND ACCESSORIES AT YOUR LOCAL DEALRR P NOT AVAILABLE AT YOUR DEALER ORDER DIRECT ADD 608 POSTAGE 4 WALNUT SCALE KITS BABY ACE$425 PEANUT SCALE KITS PIPER J3 CUR$329 PIETENPOL$329 MILES$329 TURBULENT$329 MUSTANG$349 ZERO$349 COUGAR$349 ANDREASON$349 GIPSY MOTH$349 GANAGORIE$349 SPOIT MODEL KITS ONE NITE 28$475 ONE NITE 16$349 STRINGLESS WONDER$249 P8CM ROG$139 KITS S PLANS S ACCESSORIES hAL JAPANESD TISSUE-PROPS COMPLETE CATALOG 504 MANY HARD TO FIND ITEMS Pfl**Jg,fliMAUm*AEtEPO BOX 24W -AMALA MESA CAUF 92041 q~quqwUyqqwwwPHONE 17141 469-R&YS 1 4424636 PEANUT SCALE EECLASI~~ idea condition batteries although modelers now use sophisticated ohm/volt/amp meters places test light can used keep handy bulb couple lengths medium gauge wire couple small alligator clips business Solder end wire termi nals bulb very quickly open hole cause bulb blow Attach clips other ends wires thats also soldered pointed probe end clip able make contact places clips cannot attached like tight spots think youll find little test light very handy thing though Dont use light series points check instant opening build up current primary windings coil may burn out lamp upon collapse field points open Oops Ralph Turner Amhert Ohio wrote inform error fuse lage cross sectional area formula Old L2 Rulers proper formula Cf 2L stated Ralph accuses really being old timer goes ask anyone remembers old days Air Trails gave away class Buz zard Bombshell kit year sub scription Doubt well see days again Editors Note AT gave away 10000 kits Clarence Haught Route 5 Box 16 CoeurdAlene ID 83814 FF Indoor/Tenny continued page 44 contests held Goodyear Blimp Hangar Opa Locka Airport Miami Florida MIAMA active allindoor model club US contest event schedules typical Oe outstanding features club enthusiastic sponsorship Dr John Martin includes monthly news letter replete cartoons sketches year club holds awards ban quet recognize clubs best fliers year However real event year proxy contest Manhattan Cabin models nine entries decided models would flown same modelerFAI Indoor flier Roman Szymula After what could fair Anyway out state models won 2nd David Hagen Oregon City Oregon 4th John OLeary Minneapolis Minne sota Dan Kilgore Plantation Florida won 1st 4491 John Martin Coconut Grove Florida won third Special Classes interesting event idea gleaned club activity around country indoor scale model Old Timer Gas models approximate Peanut Scale models size certainly ought fly well scale models real airplanes have short nose-moment arms event tried Glas tonbury Connecticut 1977 won Miss America replica compete against among others Trenton Terror Miss Philly Incidentally mention made above about real air planes Model airplanes realspecialpurpose miniature aircraftwhether SAFE FLYING IS NO ACCIDENT miniatures man-carrying airplanes Indoor Sites matter overwhelming importance indoor fliers locating places fly AMA Nats usually held some site otherwise available local fliers because rent too steep local activity So local fliers hold meet often some sort school gymnasium Only Chicago two massive armories usually available New Jersey/New York hangars Lakehurst Naval Air Station Miami Florida Goodyear hang ar can really plan good sites regularly available So much Americas indoor flying goes gymnasiums small arm ories city recreation buildings Excep tions New York City Low Library Rotunda Columbia University 105 very small floor area Cincin nati Ohio fliers have occasionally used 105 Cincinnati Union Terminal CDsNow Hear two cor respondents have requested contest 21 aired column column due about 50 days before magazine contains particular column will reach reader can plan far ahead will delighted carry contest information particular interest series contests flying sessions stretching over period months big annual contests normally planned well advance Local Publicity aspect indoor modeling often overlooked newspaper TV coverage local contests recent months number clubs have quite successful getting excellent coverage newspapers ranging half page full page good photos TV coverage made NIMAS International Record Trials West Baden Indiana 1977 well edited shown network shows number cities done Bob Clemens Rochester New York says no big secret ob tam media publicity Any club group desiring coverage can talk local papers TV stations explain about models flight performance site loca tion dates Better yet would have spokesman stop paper/ station show news director TV city editor some models type being flown indoor freaks have really missed boat publicity-wise really no good reason Bud Tenny PO Box 545 Richardson TX 75080 Mentor/VanHattum continued page 48 imagine run fore aft through modelcan assured building wing open Vee dihedral So have join spars both wings 100 Model Aviation FLY WIU 9311R WE BlOWN CO-2 ENGINES RNGINES ARE IN STOCK NEW CHASGER AND 5 SIZES OF TANKS BROWN ENGINES MUST BE ORDERED DIRECT PROM PECK-POLYMERS BUILDING SCALE MODEL Need airplane photos details markings refer once documentatiOn mRke task easier major source ach photos cases onty Source Send 15-cent stamp free catalog COLLECT-AIR PHOTOS So, 14234 tOept MAt MiIw46keH Wi,0n1n 53214 Miami Indoor Aircraft Modelers Assoc continues hold varied classes monthly solidly together done means dihedral-keepers Wi 1 Knowing now building sequence wing can summarized follows Put plan building board fix lower flange main spar W4 glue ribs Wl place excep tion ones center Take care run right angles spar Next fit trailing edge W6 small triangular pieces W8 assure good connection Note direction grain has chosen contraction wood will tend towards corner gusset glued Next comes top flange W5 leading edge W7 Particularly note just much flanges spar should project beyond innermost rib After sanding tip rib surface smooth finishing rib W2 can glued onto Now center section will demand attention Two dihedral keepers Wl carefully drawn 1/16 three-ply taking care obtain exact dihedral angle After have roughly cut out jigsaw filed finished right shape course could make use tem plate draw other Check height should correspond wing under construction necessary file down fit exactly top upper flange bottom lower still have fit leading edge slots ribs sand carefully follow contour airfoil di hedral keepers may now glued spars wing Take great care properly aligned shift glue drying has done wing can joined up its counterpart blocking up finished half correct dihedral ob tained probably really tricky part whole building process See leading trailing edges just butt trim necessary Keep checking during drying glue help plan crosssections sketches finishing center section will present no difficulties Finishing Carefully inspect whole structure correct details re quired Some joints may need little glue Rough spots remains glue should sanded planed smooth fuselage including fin given two coats clear dope sanding surface smooth after layer can apply couple coats colored dope choosing white striking color model easy spot avoid ex cessive increase weight dope may thinned slightly As could happen cannot find model after landing labels name address tel ephone number should stuck main parts Covering Covering requires planning get good results Sand away rough spots Cut two panels medium heavy tissuecolors galorefor stabilizer overlap about inch Lightly moistened tissue shrinks during drying giving nice taut surface Some builders put framework damp writer prefers dampen after put using wet nailbrush running finger over preferably plant spray tissue will sag shrinks during drying Fix first tip tip fairly strong pull using either white glueslightly thinned wateror white office paste Both preferred dope dries too quickly making impossible correct wrinkles Cover lower surface first trim sharp blade razor Apply two coats clear dope pull too hard direction ribs because makes covering sag too much spoil air foil wing cannot covered oper ation half done separately technique similar stabilizer some care should taken obtain good finish center sec tion dealer will have decals dis playing name model AMA number etc Balancing Checking Assemble model using rubberbands fix wing stabilizer place should sit firmly fuselage still allow displacement case hard landing landing wing tip Bands should crossed over wing Shot pieces strip solder must put nose compartment bring center gravity balance point location shown plan Final adjust ment ballast will follow during flight tests model took about 2 ounces shot get CG right models differ yours may require somewhat less Check proper rigging angles wing tail should differ about three degrees Again final adjustment will found during testing find correct glue sliver wood fuselage either under leading edge stabilizer under trailing edge case may Watch also twists wing stabilizer will cause unwanted turn can cured either steaming side shows drooping trailing edge doping both cases twist surface opposite direction hold firmly some time Too great turning tendency flight may temporarily cured trim tab stiff paper cardboard bending up lower raised wing stabilizer placed true wing viewed front should raised side until parallel would cause too sharp turn Before take model field prepare adjustmentswhich will undoubtedly neededby taking small repair outfit such glue pins some covering tissue dope thin slices balsa plenty rubberbands some shot trimming material trim tab tape towline launch demands two im portant items towline helper helper should someone really keen assisting prepared follow instructions letter should watch flights critically able compare notes models behavior towline light strong non-elastic line some 100 feet long attached block special September 1978 101 Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TRAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andrews Aircraft Modri Co Isc US Rte 1& North St Topsfjeld Mass 01983 881-8541 Sopport AMA Price $3995 kit per dollar bar em GET ORGANIZEDATTENTION RC DEALERS s set old strrrdy fries holds overOrder large stock Kraft 4 years slyorrr faaorrte 9 15 otagazirsearadios ServosKraft EnginesAir 4 MAG FILES $495barn unitsPlus accessories Sand $496 plus $100 postage handling toKRAFT SOUTH VVESTE RN INC DOE INDUSTRIES PO Box 388-KPO 8068 Ft Worth TX 76112 DOVER NH 03820817-451-7537 Night 429-3828 572-1452 towing gear Tie ring free end small vane strip cloth below will pull ring off towhook en able see line comes free Flight Tests Mentor designed small field work does mean can flown street re stricted sports ground Choose fair-sized field free obstacles cause tur bulence may damage model Always launch dead wind start windward side ground always start off few hand launches see trim anywhere near right Launch model holding just behind CG slightly nose-down move accelerated arc will have discover speed launch will obviously depend velocity wind launch too fast first time will rear up stall dive ground Always check after landing see wing stabilizer still correct posi tions no rubberbands have come off Now hand launches show model put its nose down instead making nice extended glide fault may slow launch try again bit faster per sists flying nose heavy add tiny sliver under trailing edge stab ilizer try again As said now may put its nose up too sharply may caused too much speed bad trim Launch again still proves tail heavy add thin strip under leading edge stabilizer yet change position CG hand launch shows little amiss can glue slivers balsa permanently place dont may get lost trimming should start over again towline launch depends full attention both yourself helper Arrange clear signals avoid mis understandings Unwind some 60 feet line place ring towhook helper should see does fall off holds model just behind CG wings level nose clined slightly upward take other extreme line right wind check whether can run freely having take eye off model all-important observe its behavior prearranged signal start walk fair pacenot runand same time helper also takes few steps forward allows pull model gently hand should never push would make ring slide towhook now give attention model try pull up right speed ten sion line should learn feel whether have gauged speed cor rectly model sinks back ground proves have too slow Start again must still learn adjust towing speed strength wind Mentor has excessively strong wing spars such wing will break stressed too highly take easy strong windnot recommended test flyingthe starter may have stand quite still may have run towards model very much like launching kite time model comes overhead speed should reduced until stands right over you take pull line ring will slip gently off hook model now its own hardened veteran feels thrill accomplishment prod uct shows its merits may make difficult register movement model makes first impressions may vague second flight may watched critically model should float downwind wide circlesthere always some tend ency turnor small trim tab should glued fin make model rears up shows series stalls chances difference between rigging angles still too great leading edge stabilizer should raised minute amount Try again see same applies descent too steep case trailing edge stab must raised slightly Always work systematically carefully remem ber just what have done Bet ter make short notes changes still result smooth flight small rate descent may add remove very small amount shot thus placing CG either further forward rearward really last resort tests have shown particular wing stab plus hori zontal distance between CG given plan should correct models differ have said before stall may also caused abrupt re lease towline would mean model pulled up too fast model returns keel after few undulations have ideal setup Go easy next time trim satisfies locate bits determine angle stabilizer can attached permanently Beginners rather frightened model swerves off side well may could develop dangerous situation allowed continue right ground swerve may caused some asymmetry model should checked towing crosswind can try save model stopping gently pulling right angles flight path model should turn towards resume its normal tow However does work pretty quickly model gets closer ground line should released once may have nasty crash Try again after checking warps see may change wind higher level Practice few launches grad ually work up full length 100 feet towline Since model now will fly longer can observe better quite possible will spot scope improvements Keep practicing until know just what model capable have obtained experience Mentor youll surely want go build complicated model better performancemaybe glider radio control about per fect form model flying will know what makes tick once have flown free-flight model Mentor solid basis build 102 Model Aviation FUEL IT FLIP IT N FLY D-Varnrshrng Brushes 020-60 Fuel Bulbs 1 2 oz el /2A Fuel bye Aset lI4andl/2ATvvin Exhaust Stax order dwect 0 Teflon Reed Valve Sesid SASE literature - Dealer inquiries invited DIESEL CONVERTERS $995 sales taxI Upto 50% power 50% emnomy glow new fuel formula Diesel Fuel Pt $350 Os $500 Si p&h Davis Diesel Devlopment BOX DEPT E MILFORO CT06460 HONE 12031 877-1670 BOTH SUPER & PERMAGLOSS COME 1N43x15FT ROLLS IN ALL COLORS 2119 PIsImoni Ave Huetfsgdos Valley Pa 19006
Edition: Model Aviation - 1978/09
Page Numbers: 45, 46, 47, 48, 100, 101, 102
NO OCR TEXT NO OCR TEXT NO OCR TEXT it there best pr f 1/16 Dlafl C r use tim onto ye materi F24 iran s lu ig ho will ot use th consist spar S4 edge S6 cture sho some attention ar IU5 H PLANS SSORIES 141741 17W SPAN STOCK NO PP 15 WALMT scaLEKIT $425 ASK POE OUR KITS AND ACCESSORIES AT YOUR LOCAL DEALRR P NOT AVAILABLE AT YOUR DEALER ORDER DIRECT ADD 608 POSTAGE 4 WALNUT SCALE KITS BABY ACE$425 PEANUT SCALE KITS PIPER J3 CUR$329 PIETENPOL$329 MILES$329 TURBULENT$329 MUSTANG$349 ZERO$349 COUGAR$349 ANDREASON$349 GIPSY MOTH$349 GANAGORIE$349 SPOIT MODEL KITS ONE NITE 28$475 ONE NITE 16$349 STRINGLESS WONDER$249 P8CM ROG$139 KITS S PLANS S ACCESSORIES hAL JAPANESD TISSUE-PROPS COMPLETE CATALOG 504 MANY HARD TO FIND ITEMS Pfl**Jg,fliMAUm*AEtEPO BOX 24W -AMALA MESA CAUF 92041 q~quqwUyqqwwwPHONE 17141 469-R&YS 1 4424636 PEANUT SCALE EECLASI~~ idea condition batteries although modelers now use sophisticated ohm/volt/amp meters places test light can used keep handy bulb couple lengths medium gauge wire couple small alligator clips business Solder end wire termi nals bulb very quickly open hole cause bulb blow Attach clips other ends wires thats also soldered pointed probe end clip able make contact places clips cannot attached like tight spots think youll find little test light very handy thing though Dont use light series points check instant opening build up current primary windings coil may burn out lamp upon collapse field points open Oops Ralph Turner Amhert Ohio wrote inform error fuse lage cross sectional area formula Old L2 Rulers proper formula Cf 2L stated Ralph accuses really being old timer goes ask anyone remembers old days Air Trails gave away class Buz zard Bombshell kit year sub scription Doubt well see days again Editors Note AT gave away 10000 kits Clarence Haught Route 5 Box 16 CoeurdAlene ID 83814 FF Indoor/Tenny continued page 44 contests held Goodyear Blimp Hangar Opa Locka Airport Miami Florida MIAMA active allindoor model club US contest event schedules typical Oe outstanding features club enthusiastic sponsorship Dr John Martin includes monthly news letter replete cartoons sketches year club holds awards ban quet recognize clubs best fliers year However real event year proxy contest Manhattan Cabin models nine entries decided models would flown same modelerFAI Indoor flier Roman Szymula After what could fair Anyway out state models won 2nd David Hagen Oregon City Oregon 4th John OLeary Minneapolis Minne sota Dan Kilgore Plantation Florida won 1st 4491 John Martin Coconut Grove Florida won third Special Classes interesting event idea gleaned club activity around country indoor scale model Old Timer Gas models approximate Peanut Scale models size certainly ought fly well scale models real airplanes have short nose-moment arms event tried Glas tonbury Connecticut 1977 won Miss America replica compete against among others Trenton Terror Miss Philly Incidentally mention made above about real air planes Model airplanes realspecialpurpose miniature aircraftwhether SAFE FLYING IS NO ACCIDENT miniatures man-carrying airplanes Indoor Sites matter overwhelming importance indoor fliers locating places fly AMA Nats usually held some site otherwise available local fliers because rent too steep local activity So local fliers hold meet often some sort school gymnasium Only Chicago two massive armories usually available New Jersey/New York hangars Lakehurst Naval Air Station Miami Florida Goodyear hang ar can really plan good sites regularly available So much Americas indoor flying goes gymnasiums small arm ories city recreation buildings Excep tions New York City Low Library Rotunda Columbia University 105 very small floor area Cincin nati Ohio fliers have occasionally used 105 Cincinnati Union Terminal CDsNow Hear two cor respondents have requested contest 21 aired column column due about 50 days before magazine contains particular column will reach reader can plan far ahead will delighted carry contest information particular interest series contests flying sessions stretching over period months big annual contests normally planned well advance Local Publicity aspect indoor modeling often overlooked newspaper TV coverage local contests recent months number clubs have quite successful getting excellent coverage newspapers ranging half page full page good photos TV coverage made NIMAS International Record Trials West Baden Indiana 1977 well edited shown network shows number cities done Bob Clemens Rochester New York says no big secret ob tam media publicity Any club group desiring coverage can talk local papers TV stations explain about models flight performance site loca tion dates Better yet would have spokesman stop paper/ station show news director TV city editor some models type being flown indoor freaks have really missed boat publicity-wise really no good reason Bud Tenny PO Box 545 Richardson TX 75080 Mentor/VanHattum continued page 48 imagine run fore aft through modelcan assured building wing open Vee dihedral So have join spars both wings 100 Model Aviation FLY WIU 9311R WE BlOWN CO-2 ENGINES RNGINES ARE IN STOCK NEW CHASGER AND 5 SIZES OF TANKS BROWN ENGINES MUST BE ORDERED DIRECT PROM PECK-POLYMERS BUILDING SCALE MODEL Need airplane photos details markings refer once documentatiOn mRke task easier major source ach photos cases onty Source Send 15-cent stamp free catalog COLLECT-AIR PHOTOS So, 14234 tOept MAt MiIw46keH Wi,0n1n 53214 Miami Indoor Aircraft Modelers Assoc continues hold varied classes monthly solidly together done means dihedral-keepers Wi 1 Knowing now building sequence wing can summarized follows Put plan building board fix lower flange main spar W4 glue ribs Wl place excep tion ones center Take care run right angles spar Next fit trailing edge W6 small triangular pieces W8 assure good connection Note direction grain has chosen contraction wood will tend towards corner gusset glued Next comes top flange W5 leading edge W7 Particularly note just much flanges spar should project beyond innermost rib After sanding tip rib surface smooth finishing rib W2 can glued onto Now center section will demand attention Two dihedral keepers Wl carefully drawn 1/16 three-ply taking care obtain exact dihedral angle After have roughly cut out jigsaw filed finished right shape course could make use tem plate draw other Check height should correspond wing under construction necessary file down fit exactly top upper flange bottom lower still have fit leading edge slots ribs sand carefully follow contour airfoil di hedral keepers may now glued spars wing Take great care properly aligned shift glue drying has done wing can joined up its counterpart blocking up finished half correct dihedral ob tained probably really tricky part whole building process See leading trailing edges just butt trim necessary Keep checking during drying glue help plan crosssections sketches finishing center section will present no difficulties Finishing Carefully inspect whole structure correct details re quired Some joints may need little glue Rough spots remains glue should sanded planed smooth fuselage including fin given two coats clear dope sanding surface smooth after layer can apply couple coats colored dope choosing white striking color model easy spot avoid ex cessive increase weight dope may thinned slightly As could happen cannot find model after landing labels name address tel ephone number should stuck main parts Covering Covering requires planning get good results Sand away rough spots Cut two panels medium heavy tissuecolors galorefor stabilizer overlap about inch Lightly moistened tissue shrinks during drying giving nice taut surface Some builders put framework damp writer prefers dampen after put using wet nailbrush running finger over preferably plant spray tissue will sag shrinks during drying Fix first tip tip fairly strong pull using either white glueslightly thinned wateror white office paste Both preferred dope dries too quickly making impossible correct wrinkles Cover lower surface first trim sharp blade razor Apply two coats clear dope pull too hard direction ribs because makes covering sag too much spoil air foil wing cannot covered oper ation half done separately technique similar stabilizer some care should taken obtain good finish center sec tion dealer will have decals dis playing name model AMA number etc Balancing Checking Assemble model using rubberbands fix wing stabilizer place should sit firmly fuselage still allow displacement case hard landing landing wing tip Bands should crossed over wing Shot pieces strip solder must put nose compartment bring center gravity balance point location shown plan Final adjust ment ballast will follow during flight tests model took about 2 ounces shot get CG right models differ yours may require somewhat less Check proper rigging angles wing tail should differ about three degrees Again final adjustment will found during testing find correct glue sliver wood fuselage either under leading edge stabilizer under trailing edge case may Watch also twists wing stabilizer will cause unwanted turn can cured either steaming side shows drooping trailing edge doping both cases twist surface opposite direction hold firmly some time Too great turning tendency flight may temporarily cured trim tab stiff paper cardboard bending up lower raised wing stabilizer placed true wing viewed front should raised side until parallel would cause too sharp turn Before take model field prepare adjustmentswhich will undoubtedly neededby taking small repair outfit such glue pins some covering tissue dope thin slices balsa plenty rubberbands some shot trimming material trim tab tape towline launch demands two im portant items towline helper helper should someone really keen assisting prepared follow instructions letter should watch flights critically able compare notes models behavior towline light strong non-elastic line some 100 feet long attached block special September 1978 101 Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TRAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andrews Aircraft Modri Co Isc US Rte 1& North St Topsfjeld Mass 01983 881-8541 Sopport AMA Price $3995 kit per dollar bar em GET ORGANIZEDATTENTION RC DEALERS s set old strrrdy fries holds overOrder large stock Kraft 4 years slyorrr faaorrte 9 15 otagazirsearadios ServosKraft EnginesAir 4 MAG FILES $495barn unitsPlus accessories Sand $496 plus $100 postage handling toKRAFT SOUTH VVESTE RN INC DOE INDUSTRIES PO Box 388-KPO 8068 Ft Worth TX 76112 DOVER NH 03820817-451-7537 Night 429-3828 572-1452 towing gear Tie ring free end small vane strip cloth below will pull ring off towhook en able see line comes free Flight Tests Mentor designed small field work does mean can flown street re stricted sports ground Choose fair-sized field free obstacles cause tur bulence may damage model Always launch dead wind start windward side ground always start off few hand launches see trim anywhere near right Launch model holding just behind CG slightly nose-down move accelerated arc will have discover speed launch will obviously depend velocity wind launch too fast first time will rear up stall dive ground Always check after landing see wing stabilizer still correct posi tions no rubberbands have come off Now hand launches show model put its nose down instead making nice extended glide fault may slow launch try again bit faster per sists flying nose heavy add tiny sliver under trailing edge stab ilizer try again As said now may put its nose up too sharply may caused too much speed bad trim Launch again still proves tail heavy add thin strip under leading edge stabilizer yet change position CG hand launch shows little amiss can glue slivers balsa permanently place dont may get lost trimming should start over again towline launch depends full attention both yourself helper Arrange clear signals avoid mis understandings Unwind some 60 feet line place ring towhook helper should see does fall off holds model just behind CG wings level nose clined slightly upward take other extreme line right wind check whether can run freely having take eye off model all-important observe its behavior prearranged signal start walk fair pacenot runand same time helper also takes few steps forward allows pull model gently hand should never push would make ring slide towhook now give attention model try pull up right speed ten sion line should learn feel whether have gauged speed cor rectly model sinks back ground proves have too slow Start again must still learn adjust towing speed strength wind Mentor has excessively strong wing spars such wing will break stressed too highly take easy strong windnot recommended test flyingthe starter may have stand quite still may have run towards model very much like launching kite time model comes overhead speed should reduced until stands right over you take pull line ring will slip gently off hook model now its own hardened veteran feels thrill accomplishment prod uct shows its merits may make difficult register movement model makes first impressions may vague second flight may watched critically model should float downwind wide circlesthere always some tend ency turnor small trim tab should glued fin make model rears up shows series stalls chances difference between rigging angles still too great leading edge stabilizer should raised minute amount Try again see same applies descent too steep case trailing edge stab must raised slightly Always work systematically carefully remem ber just what have done Bet ter make short notes changes still result smooth flight small rate descent may add remove very small amount shot thus placing CG either further forward rearward really last resort tests have shown particular wing stab plus hori zontal distance between CG given plan should correct models differ have said before stall may also caused abrupt re lease towline would mean model pulled up too fast model returns keel after few undulations have ideal setup Go easy next time trim satisfies locate bits determine angle stabilizer can attached permanently Beginners rather frightened model swerves off side well may could develop dangerous situation allowed continue right ground swerve may caused some asymmetry model should checked towing crosswind can try save model stopping gently pulling right angles flight path model should turn towards resume its normal tow However does work pretty quickly model gets closer ground line should released once may have nasty crash Try again after checking warps see may change wind higher level Practice few launches grad ually work up full length 100 feet towline Since model now will fly longer can observe better quite possible will spot scope improvements Keep practicing until know just what model capable have obtained experience Mentor youll surely want go build complicated model better performancemaybe glider radio control about per fect form model flying will know what makes tick once have flown free-flight model Mentor solid basis build 102 Model Aviation FUEL IT FLIP IT N FLY D-Varnrshrng Brushes 020-60 Fuel Bulbs 1 2 oz el /2A Fuel bye Aset lI4andl/2ATvvin Exhaust Stax order dwect 0 Teflon Reed Valve Sesid SASE literature - Dealer inquiries invited DIESEL CONVERTERS $995 sales taxI Upto 50% power 50% emnomy glow new fuel formula Diesel Fuel Pt $350 Os $500 Si p&h Davis Diesel Devlopment BOX DEPT E MILFORO CT06460 HONE 12031 877-1670 BOTH SUPER & PERMAGLOSS COME 1N43x15FT ROLLS IN ALL COLORS 2119 PIsImoni Ave Huetfsgdos Valley Pa 19006
Edition: Model Aviation - 1978/09
Page Numbers: 45, 46, 47, 48, 100, 101, 102
NO OCR TEXT NO OCR TEXT NO OCR TEXT it there best pr f 1/16 Dlafl C r use tim onto ye materi F24 iran s lu ig ho will ot use th consist spar S4 edge S6 cture sho some attention ar IU5 H PLANS SSORIES 141741 17W SPAN STOCK NO PP 15 WALMT scaLEKIT $425 ASK POE OUR KITS AND ACCESSORIES AT YOUR LOCAL DEALRR P NOT AVAILABLE AT YOUR DEALER ORDER DIRECT ADD 608 POSTAGE 4 WALNUT SCALE KITS BABY ACE$425 PEANUT SCALE KITS PIPER J3 CUR$329 PIETENPOL$329 MILES$329 TURBULENT$329 MUSTANG$349 ZERO$349 COUGAR$349 ANDREASON$349 GIPSY MOTH$349 GANAGORIE$349 SPOIT MODEL KITS ONE NITE 28$475 ONE NITE 16$349 STRINGLESS WONDER$249 P8CM ROG$139 KITS S PLANS S ACCESSORIES hAL JAPANESD TISSUE-PROPS COMPLETE CATALOG 504 MANY HARD TO FIND ITEMS Pfl**Jg,fliMAUm*AEtEPO BOX 24W -AMALA MESA CAUF 92041 q~quqwUyqqwwwPHONE 17141 469-R&YS 1 4424636 PEANUT SCALE EECLASI~~ idea condition batteries although modelers now use sophisticated ohm/volt/amp meters places test light can used keep handy bulb couple lengths medium gauge wire couple small alligator clips business Solder end wire termi nals bulb very quickly open hole cause bulb blow Attach clips other ends wires thats also soldered pointed probe end clip able make contact places clips cannot attached like tight spots think youll find little test light very handy thing though Dont use light series points check instant opening build up current primary windings coil may burn out lamp upon collapse field points open Oops Ralph Turner Amhert Ohio wrote inform error fuse lage cross sectional area formula Old L2 Rulers proper formula Cf 2L stated Ralph accuses really being old timer goes ask anyone remembers old days Air Trails gave away class Buz zard Bombshell kit year sub scription Doubt well see days again Editors Note AT gave away 10000 kits Clarence Haught Route 5 Box 16 CoeurdAlene ID 83814 FF Indoor/Tenny continued page 44 contests held Goodyear Blimp Hangar Opa Locka Airport Miami Florida MIAMA active allindoor model club US contest event schedules typical Oe outstanding features club enthusiastic sponsorship Dr John Martin includes monthly news letter replete cartoons sketches year club holds awards ban quet recognize clubs best fliers year However real event year proxy contest Manhattan Cabin models nine entries decided models would flown same modelerFAI Indoor flier Roman Szymula After what could fair Anyway out state models won 2nd David Hagen Oregon City Oregon 4th John OLeary Minneapolis Minne sota Dan Kilgore Plantation Florida won 1st 4491 John Martin Coconut Grove Florida won third Special Classes interesting event idea gleaned club activity around country indoor scale model Old Timer Gas models approximate Peanut Scale models size certainly ought fly well scale models real airplanes have short nose-moment arms event tried Glas tonbury Connecticut 1977 won Miss America replica compete against among others Trenton Terror Miss Philly Incidentally mention made above about real air planes Model airplanes realspecialpurpose miniature aircraftwhether SAFE FLYING IS NO ACCIDENT miniatures man-carrying airplanes Indoor Sites matter overwhelming importance indoor fliers locating places fly AMA Nats usually held some site otherwise available local fliers because rent too steep local activity So local fliers hold meet often some sort school gymnasium Only Chicago two massive armories usually available New Jersey/New York hangars Lakehurst Naval Air Station Miami Florida Goodyear hang ar can really plan good sites regularly available So much Americas indoor flying goes gymnasiums small arm ories city recreation buildings Excep tions New York City Low Library Rotunda Columbia University 105 very small floor area Cincin nati Ohio fliers have occasionally used 105 Cincinnati Union Terminal CDsNow Hear two cor respondents have requested contest 21 aired column column due about 50 days before magazine contains particular column will reach reader can plan far ahead will delighted carry contest information particular interest series contests flying sessions stretching over period months big annual contests normally planned well advance Local Publicity aspect indoor modeling often overlooked newspaper TV coverage local contests recent months number clubs have quite successful getting excellent coverage newspapers ranging half page full page good photos TV coverage made NIMAS International Record Trials West Baden Indiana 1977 well edited shown network shows number cities done Bob Clemens Rochester New York says no big secret ob tam media publicity Any club group desiring coverage can talk local papers TV stations explain about models flight performance site loca tion dates Better yet would have spokesman stop paper/ station show news director TV city editor some models type being flown indoor freaks have really missed boat publicity-wise really no good reason Bud Tenny PO Box 545 Richardson TX 75080 Mentor/VanHattum continued page 48 imagine run fore aft through modelcan assured building wing open Vee dihedral So have join spars both wings 100 Model Aviation FLY WIU 9311R WE BlOWN CO-2 ENGINES RNGINES ARE IN STOCK NEW CHASGER AND 5 SIZES OF TANKS BROWN ENGINES MUST BE ORDERED DIRECT PROM PECK-POLYMERS BUILDING SCALE MODEL Need airplane photos details markings refer once documentatiOn mRke task easier major source ach photos cases onty Source Send 15-cent stamp free catalog COLLECT-AIR PHOTOS So, 14234 tOept MAt MiIw46keH Wi,0n1n 53214 Miami Indoor Aircraft Modelers Assoc continues hold varied classes monthly solidly together done means dihedral-keepers Wi 1 Knowing now building sequence wing can summarized follows Put plan building board fix lower flange main spar W4 glue ribs Wl place excep tion ones center Take care run right angles spar Next fit trailing edge W6 small triangular pieces W8 assure good connection Note direction grain has chosen contraction wood will tend towards corner gusset glued Next comes top flange W5 leading edge W7 Particularly note just much flanges spar should project beyond innermost rib After sanding tip rib surface smooth finishing rib W2 can glued onto Now center section will demand attention Two dihedral keepers Wl carefully drawn 1/16 three-ply taking care obtain exact dihedral angle After have roughly cut out jigsaw filed finished right shape course could make use tem plate draw other Check height should correspond wing under construction necessary file down fit exactly top upper flange bottom lower still have fit leading edge slots ribs sand carefully follow contour airfoil di hedral keepers may now glued spars wing Take great care properly aligned shift glue drying has done wing can joined up its counterpart blocking up finished half correct dihedral ob tained probably really tricky part whole building process See leading trailing edges just butt trim necessary Keep checking during drying glue help plan crosssections sketches finishing center section will present no difficulties Finishing Carefully inspect whole structure correct details re quired Some joints may need little glue Rough spots remains glue should sanded planed smooth fuselage including fin given two coats clear dope sanding surface smooth after layer can apply couple coats colored dope choosing white striking color model easy spot avoid ex cessive increase weight dope may thinned slightly As could happen cannot find model after landing labels name address tel ephone number should stuck main parts Covering Covering requires planning get good results Sand away rough spots Cut two panels medium heavy tissuecolors galorefor stabilizer overlap about inch Lightly moistened tissue shrinks during drying giving nice taut surface Some builders put framework damp writer prefers dampen after put using wet nailbrush running finger over preferably plant spray tissue will sag shrinks during drying Fix first tip tip fairly strong pull using either white glueslightly thinned wateror white office paste Both preferred dope dries too quickly making impossible correct wrinkles Cover lower surface first trim sharp blade razor Apply two coats clear dope pull too hard direction ribs because makes covering sag too much spoil air foil wing cannot covered oper ation half done separately technique similar stabilizer some care should taken obtain good finish center sec tion dealer will have decals dis playing name model AMA number etc Balancing Checking Assemble model using rubberbands fix wing stabilizer place should sit firmly fuselage still allow displacement case hard landing landing wing tip Bands should crossed over wing Shot pieces strip solder must put nose compartment bring center gravity balance point location shown plan Final adjust ment ballast will follow during flight tests model took about 2 ounces shot get CG right models differ yours may require somewhat less Check proper rigging angles wing tail should differ about three degrees Again final adjustment will found during testing find correct glue sliver wood fuselage either under leading edge stabilizer under trailing edge case may Watch also twists wing stabilizer will cause unwanted turn can cured either steaming side shows drooping trailing edge doping both cases twist surface opposite direction hold firmly some time Too great turning tendency flight may temporarily cured trim tab stiff paper cardboard bending up lower raised wing stabilizer placed true wing viewed front should raised side until parallel would cause too sharp turn Before take model field prepare adjustmentswhich will undoubtedly neededby taking small repair outfit such glue pins some covering tissue dope thin slices balsa plenty rubberbands some shot trimming material trim tab tape towline launch demands two im portant items towline helper helper should someone really keen assisting prepared follow instructions letter should watch flights critically able compare notes models behavior towline light strong non-elastic line some 100 feet long attached block special September 1978 101 Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TRAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andrews Aircraft Modri Co Isc US Rte 1& North St Topsfjeld Mass 01983 881-8541 Sopport AMA Price $3995 kit per dollar bar em GET ORGANIZEDATTENTION RC DEALERS s set old strrrdy fries holds overOrder large stock Kraft 4 years slyorrr faaorrte 9 15 otagazirsearadios ServosKraft EnginesAir 4 MAG FILES $495barn unitsPlus accessories Sand $496 plus $100 postage handling toKRAFT SOUTH VVESTE RN INC DOE INDUSTRIES PO Box 388-KPO 8068 Ft Worth TX 76112 DOVER NH 03820817-451-7537 Night 429-3828 572-1452 towing gear Tie ring free end small vane strip cloth below will pull ring off towhook en able see line comes free Flight Tests Mentor designed small field work does mean can flown street re stricted sports ground Choose fair-sized field free obstacles cause tur bulence may damage model Always launch dead wind start windward side ground always start off few hand launches see trim anywhere near right Launch model holding just behind CG slightly nose-down move accelerated arc will have discover speed launch will obviously depend velocity wind launch too fast first time will rear up stall dive ground Always check after landing see wing stabilizer still correct posi tions no rubberbands have come off Now hand launches show model put its nose down instead making nice extended glide fault may slow launch try again bit faster per sists flying nose heavy add tiny sliver under trailing edge stab ilizer try again As said now may put its nose up too sharply may caused too much speed bad trim Launch again still proves tail heavy add thin strip under leading edge stabilizer yet change position CG hand launch shows little amiss can glue slivers balsa permanently place dont may get lost trimming should start over again towline launch depends full attention both yourself helper Arrange clear signals avoid mis understandings Unwind some 60 feet line place ring towhook helper should see does fall off holds model just behind CG wings level nose clined slightly upward take other extreme line right wind check whether can run freely having take eye off model all-important observe its behavior prearranged signal start walk fair pacenot runand same time helper also takes few steps forward allows pull model gently hand should never push would make ring slide towhook now give attention model try pull up right speed ten sion line should learn feel whether have gauged speed cor rectly model sinks back ground proves have too slow Start again must still learn adjust towing speed strength wind Mentor has excessively strong wing spars such wing will break stressed too highly take easy strong windnot recommended test flyingthe starter may have stand quite still may have run towards model very much like launching kite time model comes overhead speed should reduced until stands right over you take pull line ring will slip gently off hook model now its own hardened veteran feels thrill accomplishment prod uct shows its merits may make difficult register movement model makes first impressions may vague second flight may watched critically model should float downwind wide circlesthere always some tend ency turnor small trim tab should glued fin make model rears up shows series stalls chances difference between rigging angles still too great leading edge stabilizer should raised minute amount Try again see same applies descent too steep case trailing edge stab must raised slightly Always work systematically carefully remem ber just what have done Bet ter make short notes changes still result smooth flight small rate descent may add remove very small amount shot thus placing CG either further forward rearward really last resort tests have shown particular wing stab plus hori zontal distance between CG given plan should correct models differ have said before stall may also caused abrupt re lease towline would mean model pulled up too fast model returns keel after few undulations have ideal setup Go easy next time trim satisfies locate bits determine angle stabilizer can attached permanently Beginners rather frightened model swerves off side well may could develop dangerous situation allowed continue right ground swerve may caused some asymmetry model should checked towing crosswind can try save model stopping gently pulling right angles flight path model should turn towards resume its normal tow However does work pretty quickly model gets closer ground line should released once may have nasty crash Try again after checking warps see may change wind higher level Practice few launches grad ually work up full length 100 feet towline Since model now will fly longer can observe better quite possible will spot scope improvements Keep practicing until know just what model capable have obtained experience Mentor youll surely want go build complicated model better performancemaybe glider radio control about per fect form model flying will know what makes tick once have flown free-flight model Mentor solid basis build 102 Model Aviation FUEL IT FLIP IT N FLY D-Varnrshrng Brushes 020-60 Fuel Bulbs 1 2 oz el /2A Fuel bye Aset lI4andl/2ATvvin Exhaust Stax order dwect 0 Teflon Reed Valve Sesid SASE literature - Dealer inquiries invited DIESEL CONVERTERS $995 sales taxI Upto 50% power 50% emnomy glow new fuel formula Diesel Fuel Pt $350 Os $500 Si p&h Davis Diesel Devlopment BOX DEPT E MILFORO CT06460 HONE 12031 877-1670 BOTH SUPER & PERMAGLOSS COME 1N43x15FT ROLLS IN ALL COLORS 2119 PIsImoni Ave Huetfsgdos Valley Pa 19006
Edition: Model Aviation - 1978/09
Page Numbers: 45, 46, 47, 48, 100, 101, 102
NO OCR TEXT NO OCR TEXT NO OCR TEXT it there best pr f 1/16 Dlafl C r use tim onto ye materi F24 iran s lu ig ho will ot use th consist spar S4 edge S6 cture sho some attention ar IU5 H PLANS SSORIES 141741 17W SPAN STOCK NO PP 15 WALMT scaLEKIT $425 ASK POE OUR KITS AND ACCESSORIES AT YOUR LOCAL DEALRR P NOT AVAILABLE AT YOUR DEALER ORDER DIRECT ADD 608 POSTAGE 4 WALNUT SCALE KITS BABY ACE$425 PEANUT SCALE KITS PIPER J3 CUR$329 PIETENPOL$329 MILES$329 TURBULENT$329 MUSTANG$349 ZERO$349 COUGAR$349 ANDREASON$349 GIPSY MOTH$349 GANAGORIE$349 SPOIT MODEL KITS ONE NITE 28$475 ONE NITE 16$349 STRINGLESS WONDER$249 P8CM ROG$139 KITS S PLANS S ACCESSORIES hAL JAPANESD TISSUE-PROPS COMPLETE CATALOG 504 MANY HARD TO FIND ITEMS Pfl**Jg,fliMAUm*AEtEPO BOX 24W -AMALA MESA CAUF 92041 q~quqwUyqqwwwPHONE 17141 469-R&YS 1 4424636 PEANUT SCALE EECLASI~~ idea condition batteries although modelers now use sophisticated ohm/volt/amp meters places test light can used keep handy bulb couple lengths medium gauge wire couple small alligator clips business Solder end wire termi nals bulb very quickly open hole cause bulb blow Attach clips other ends wires thats also soldered pointed probe end clip able make contact places clips cannot attached like tight spots think youll find little test light very handy thing though Dont use light series points check instant opening build up current primary windings coil may burn out lamp upon collapse field points open Oops Ralph Turner Amhert Ohio wrote inform error fuse lage cross sectional area formula Old L2 Rulers proper formula Cf 2L stated Ralph accuses really being old timer goes ask anyone remembers old days Air Trails gave away class Buz zard Bombshell kit year sub scription Doubt well see days again Editors Note AT gave away 10000 kits Clarence Haught Route 5 Box 16 CoeurdAlene ID 83814 FF Indoor/Tenny continued page 44 contests held Goodyear Blimp Hangar Opa Locka Airport Miami Florida MIAMA active allindoor model club US contest event schedules typical Oe outstanding features club enthusiastic sponsorship Dr John Martin includes monthly news letter replete cartoons sketches year club holds awards ban quet recognize clubs best fliers year However real event year proxy contest Manhattan Cabin models nine entries decided models would flown same modelerFAI Indoor flier Roman Szymula After what could fair Anyway out state models won 2nd David Hagen Oregon City Oregon 4th John OLeary Minneapolis Minne sota Dan Kilgore Plantation Florida won 1st 4491 John Martin Coconut Grove Florida won third Special Classes interesting event idea gleaned club activity around country indoor scale model Old Timer Gas models approximate Peanut Scale models size certainly ought fly well scale models real airplanes have short nose-moment arms event tried Glas tonbury Connecticut 1977 won Miss America replica compete against among others Trenton Terror Miss Philly Incidentally mention made above about real air planes Model airplanes realspecialpurpose miniature aircraftwhether SAFE FLYING IS NO ACCIDENT miniatures man-carrying airplanes Indoor Sites matter overwhelming importance indoor fliers locating places fly AMA Nats usually held some site otherwise available local fliers because rent too steep local activity So local fliers hold meet often some sort school gymnasium Only Chicago two massive armories usually available New Jersey/New York hangars Lakehurst Naval Air Station Miami Florida Goodyear hang ar can really plan good sites regularly available So much Americas indoor flying goes gymnasiums small arm ories city recreation buildings Excep tions New York City Low Library Rotunda Columbia University 105 very small floor area Cincin nati Ohio fliers have occasionally used 105 Cincinnati Union Terminal CDsNow Hear two cor respondents have requested contest 21 aired column column due about 50 days before magazine contains particular column will reach reader can plan far ahead will delighted carry contest information particular interest series contests flying sessions stretching over period months big annual contests normally planned well advance Local Publicity aspect indoor modeling often overlooked newspaper TV coverage local contests recent months number clubs have quite successful getting excellent coverage newspapers ranging half page full page good photos TV coverage made NIMAS International Record Trials West Baden Indiana 1977 well edited shown network shows number cities done Bob Clemens Rochester New York says no big secret ob tam media publicity Any club group desiring coverage can talk local papers TV stations explain about models flight performance site loca tion dates Better yet would have spokesman stop paper/ station show news director TV city editor some models type being flown indoor freaks have really missed boat publicity-wise really no good reason Bud Tenny PO Box 545 Richardson TX 75080 Mentor/VanHattum continued page 48 imagine run fore aft through modelcan assured building wing open Vee dihedral So have join spars both wings 100 Model Aviation FLY WIU 9311R WE BlOWN CO-2 ENGINES RNGINES ARE IN STOCK NEW CHASGER AND 5 SIZES OF TANKS BROWN ENGINES MUST BE ORDERED DIRECT PROM PECK-POLYMERS BUILDING SCALE MODEL Need airplane photos details markings refer once documentatiOn mRke task easier major source ach photos cases onty Source Send 15-cent stamp free catalog COLLECT-AIR PHOTOS So, 14234 tOept MAt MiIw46keH Wi,0n1n 53214 Miami Indoor Aircraft Modelers Assoc continues hold varied classes monthly solidly together done means dihedral-keepers Wi 1 Knowing now building sequence wing can summarized follows Put plan building board fix lower flange main spar W4 glue ribs Wl place excep tion ones center Take care run right angles spar Next fit trailing edge W6 small triangular pieces W8 assure good connection Note direction grain has chosen contraction wood will tend towards corner gusset glued Next comes top flange W5 leading edge W7 Particularly note just much flanges spar should project beyond innermost rib After sanding tip rib surface smooth finishing rib W2 can glued onto Now center section will demand attention Two dihedral keepers Wl carefully drawn 1/16 three-ply taking care obtain exact dihedral angle After have roughly cut out jigsaw filed finished right shape course could make use tem plate draw other Check height should correspond wing under construction necessary file down fit exactly top upper flange bottom lower still have fit leading edge slots ribs sand carefully follow contour airfoil di hedral keepers may now glued spars wing Take great care properly aligned shift glue drying has done wing can joined up its counterpart blocking up finished half correct dihedral ob tained probably really tricky part whole building process See leading trailing edges just butt trim necessary Keep checking during drying glue help plan crosssections sketches finishing center section will present no difficulties Finishing Carefully inspect whole structure correct details re quired Some joints may need little glue Rough spots remains glue should sanded planed smooth fuselage including fin given two coats clear dope sanding surface smooth after layer can apply couple coats colored dope choosing white striking color model easy spot avoid ex cessive increase weight dope may thinned slightly As could happen cannot find model after landing labels name address tel ephone number should stuck main parts Covering Covering requires planning get good results Sand away rough spots Cut two panels medium heavy tissuecolors galorefor stabilizer overlap about inch Lightly moistened tissue shrinks during drying giving nice taut surface Some builders put framework damp writer prefers dampen after put using wet nailbrush running finger over preferably plant spray tissue will sag shrinks during drying Fix first tip tip fairly strong pull using either white glueslightly thinned wateror white office paste Both preferred dope dries too quickly making impossible correct wrinkles Cover lower surface first trim sharp blade razor Apply two coats clear dope pull too hard direction ribs because makes covering sag too much spoil air foil wing cannot covered oper ation half done separately technique similar stabilizer some care should taken obtain good finish center sec tion dealer will have decals dis playing name model AMA number etc Balancing Checking Assemble model using rubberbands fix wing stabilizer place should sit firmly fuselage still allow displacement case hard landing landing wing tip Bands should crossed over wing Shot pieces strip solder must put nose compartment bring center gravity balance point location shown plan Final adjust ment ballast will follow during flight tests model took about 2 ounces shot get CG right models differ yours may require somewhat less Check proper rigging angles wing tail should differ about three degrees Again final adjustment will found during testing find correct glue sliver wood fuselage either under leading edge stabilizer under trailing edge case may Watch also twists wing stabilizer will cause unwanted turn can cured either steaming side shows drooping trailing edge doping both cases twist surface opposite direction hold firmly some time Too great turning tendency flight may temporarily cured trim tab stiff paper cardboard bending up lower raised wing stabilizer placed true wing viewed front should raised side until parallel would cause too sharp turn Before take model field prepare adjustmentswhich will undoubtedly neededby taking small repair outfit such glue pins some covering tissue dope thin slices balsa plenty rubberbands some shot trimming material trim tab tape towline launch demands two im portant items towline helper helper should someone really keen assisting prepared follow instructions letter should watch flights critically able compare notes models behavior towline light strong non-elastic line some 100 feet long attached block special September 1978 101 Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TRAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andrews Aircraft Modri Co Isc US Rte 1& North St Topsfjeld Mass 01983 881-8541 Sopport AMA Price $3995 kit per dollar bar em GET ORGANIZEDATTENTION RC DEALERS s set old strrrdy fries holds overOrder large stock Kraft 4 years slyorrr faaorrte 9 15 otagazirsearadios ServosKraft EnginesAir 4 MAG FILES $495barn unitsPlus accessories Sand $496 plus $100 postage handling toKRAFT SOUTH VVESTE RN INC DOE INDUSTRIES PO Box 388-KPO 8068 Ft Worth TX 76112 DOVER NH 03820817-451-7537 Night 429-3828 572-1452 towing gear Tie ring free end small vane strip cloth below will pull ring off towhook en able see line comes free Flight Tests Mentor designed small field work does mean can flown street re stricted sports ground Choose fair-sized field free obstacles cause tur bulence may damage model Always launch dead wind start windward side ground always start off few hand launches see trim anywhere near right Launch model holding just behind CG slightly nose-down move accelerated arc will have discover speed launch will obviously depend velocity wind launch too fast first time will rear up stall dive ground Always check after landing see wing stabilizer still correct posi tions no rubberbands have come off Now hand launches show model put its nose down instead making nice extended glide fault may slow launch try again bit faster per sists flying nose heavy add tiny sliver under trailing edge stab ilizer try again As said now may put its nose up too sharply may caused too much speed bad trim Launch again still proves tail heavy add thin strip under leading edge stabilizer yet change position CG hand launch shows little amiss can glue slivers balsa permanently place dont may get lost trimming should start over again towline launch depends full attention both yourself helper Arrange clear signals avoid mis understandings Unwind some 60 feet line place ring towhook helper should see does fall off holds model just behind CG wings level nose clined slightly upward take other extreme line right wind check whether can run freely having take eye off model all-important observe its behavior prearranged signal start walk fair pacenot runand same time helper also takes few steps forward allows pull model gently hand should never push would make ring slide towhook now give attention model try pull up right speed ten sion line should learn feel whether have gauged speed cor rectly model sinks back ground proves have too slow Start again must still learn adjust towing speed strength wind Mentor has excessively strong wing spars such wing will break stressed too highly take easy strong windnot recommended test flyingthe starter may have stand quite still may have run towards model very much like launching kite time model comes overhead speed should reduced until stands right over you take pull line ring will slip gently off hook model now its own hardened veteran feels thrill accomplishment prod uct shows its merits may make difficult register movement model makes first impressions may vague second flight may watched critically model should float downwind wide circlesthere always some tend ency turnor small trim tab should glued fin make model rears up shows series stalls chances difference between rigging angles still too great leading edge stabilizer should raised minute amount Try again see same applies descent too steep case trailing edge stab must raised slightly Always work systematically carefully remem ber just what have done Bet ter make short notes changes still result smooth flight small rate descent may add remove very small amount shot thus placing CG either further forward rearward really last resort tests have shown particular wing stab plus hori zontal distance between CG given plan should correct models differ have said before stall may also caused abrupt re lease towline would mean model pulled up too fast model returns keel after few undulations have ideal setup Go easy next time trim satisfies locate bits determine angle stabilizer can attached permanently Beginners rather frightened model swerves off side well may could develop dangerous situation allowed continue right ground swerve may caused some asymmetry model should checked towing crosswind can try save model stopping gently pulling right angles flight path model should turn towards resume its normal tow However does work pretty quickly model gets closer ground line should released once may have nasty crash Try again after checking warps see may change wind higher level Practice few launches grad ually work up full length 100 feet towline Since model now will fly longer can observe better quite possible will spot scope improvements Keep practicing until know just what model capable have obtained experience Mentor youll surely want go build complicated model better performancemaybe glider radio control about per fect form model flying will know what makes tick once have flown free-flight model Mentor solid basis build 102 Model Aviation FUEL IT FLIP IT N FLY D-Varnrshrng Brushes 020-60 Fuel Bulbs 1 2 oz el /2A Fuel bye Aset lI4andl/2ATvvin Exhaust Stax order dwect 0 Teflon Reed Valve Sesid SASE literature - Dealer inquiries invited DIESEL CONVERTERS $995 sales taxI Upto 50% power 50% emnomy glow new fuel formula Diesel Fuel Pt $350 Os $500 Si p&h Davis Diesel Devlopment BOX DEPT E MILFORO CT06460 HONE 12031 877-1670 BOTH SUPER & PERMAGLOSS COME 1N43x15FT ROLLS IN ALL COLORS 2119 PIsImoni Ave Huetfsgdos Valley Pa 19006
Edition: Model Aviation - 1978/09
Page Numbers: 45, 46, 47, 48, 100, 101, 102
NO OCR TEXT NO OCR TEXT NO OCR TEXT it there best pr f 1/16 Dlafl C r use tim onto ye materi F24 iran s lu ig ho will ot use th consist spar S4 edge S6 cture sho some attention ar IU5 H PLANS SSORIES 141741 17W SPAN STOCK NO PP 15 WALMT scaLEKIT $425 ASK POE OUR KITS AND ACCESSORIES AT YOUR LOCAL DEALRR P NOT AVAILABLE AT YOUR DEALER ORDER DIRECT ADD 608 POSTAGE 4 WALNUT SCALE KITS BABY ACE$425 PEANUT SCALE KITS PIPER J3 CUR$329 PIETENPOL$329 MILES$329 TURBULENT$329 MUSTANG$349 ZERO$349 COUGAR$349 ANDREASON$349 GIPSY MOTH$349 GANAGORIE$349 SPOIT MODEL KITS ONE NITE 28$475 ONE NITE 16$349 STRINGLESS WONDER$249 P8CM ROG$139 KITS S PLANS S ACCESSORIES hAL JAPANESD TISSUE-PROPS COMPLETE CATALOG 504 MANY HARD TO FIND ITEMS Pfl**Jg,fliMAUm*AEtEPO BOX 24W -AMALA MESA CAUF 92041 q~quqwUyqqwwwPHONE 17141 469-R&YS 1 4424636 PEANUT SCALE EECLASI~~ idea condition batteries although modelers now use sophisticated ohm/volt/amp meters places test light can used keep handy bulb couple lengths medium gauge wire couple small alligator clips business Solder end wire termi nals bulb very quickly open hole cause bulb blow Attach clips other ends wires thats also soldered pointed probe end clip able make contact places clips cannot attached like tight spots think youll find little test light very handy thing though Dont use light series points check instant opening build up current primary windings coil may burn out lamp upon collapse field points open Oops Ralph Turner Amhert Ohio wrote inform error fuse lage cross sectional area formula Old L2 Rulers proper formula Cf 2L stated Ralph accuses really being old timer goes ask anyone remembers old days Air Trails gave away class Buz zard Bombshell kit year sub scription Doubt well see days again Editors Note AT gave away 10000 kits Clarence Haught Route 5 Box 16 CoeurdAlene ID 83814 FF Indoor/Tenny continued page 44 contests held Goodyear Blimp Hangar Opa Locka Airport Miami Florida MIAMA active allindoor model club US contest event schedules typical Oe outstanding features club enthusiastic sponsorship Dr John Martin includes monthly news letter replete cartoons sketches year club holds awards ban quet recognize clubs best fliers year However real event year proxy contest Manhattan Cabin models nine entries decided models would flown same modelerFAI Indoor flier Roman Szymula After what could fair Anyway out state models won 2nd David Hagen Oregon City Oregon 4th John OLeary Minneapolis Minne sota Dan Kilgore Plantation Florida won 1st 4491 John Martin Coconut Grove Florida won third Special Classes interesting event idea gleaned club activity around country indoor scale model Old Timer Gas models approximate Peanut Scale models size certainly ought fly well scale models real airplanes have short nose-moment arms event tried Glas tonbury Connecticut 1977 won Miss America replica compete against among others Trenton Terror Miss Philly Incidentally mention made above about real air planes Model airplanes realspecialpurpose miniature aircraftwhether SAFE FLYING IS NO ACCIDENT miniatures man-carrying airplanes Indoor Sites matter overwhelming importance indoor fliers locating places fly AMA Nats usually held some site otherwise available local fliers because rent too steep local activity So local fliers hold meet often some sort school gymnasium Only Chicago two massive armories usually available New Jersey/New York hangars Lakehurst Naval Air Station Miami Florida Goodyear hang ar can really plan good sites regularly available So much Americas indoor flying goes gymnasiums small arm ories city recreation buildings Excep tions New York City Low Library Rotunda Columbia University 105 very small floor area Cincin nati Ohio fliers have occasionally used 105 Cincinnati Union Terminal CDsNow Hear two cor respondents have requested contest 21 aired column column due about 50 days before magazine contains particular column will reach reader can plan far ahead will delighted carry contest information particular interest series contests flying sessions stretching over period months big annual contests normally planned well advance Local Publicity aspect indoor modeling often overlooked newspaper TV coverage local contests recent months number clubs have quite successful getting excellent coverage newspapers ranging half page full page good photos TV coverage made NIMAS International Record Trials West Baden Indiana 1977 well edited shown network shows number cities done Bob Clemens Rochester New York says no big secret ob tam media publicity Any club group desiring coverage can talk local papers TV stations explain about models flight performance site loca tion dates Better yet would have spokesman stop paper/ station show news director TV city editor some models type being flown indoor freaks have really missed boat publicity-wise really no good reason Bud Tenny PO Box 545 Richardson TX 75080 Mentor/VanHattum continued page 48 imagine run fore aft through modelcan assured building wing open Vee dihedral So have join spars both wings 100 Model Aviation FLY WIU 9311R WE BlOWN CO-2 ENGINES RNGINES ARE IN STOCK NEW CHASGER AND 5 SIZES OF TANKS BROWN ENGINES MUST BE ORDERED DIRECT PROM PECK-POLYMERS BUILDING SCALE MODEL Need airplane photos details markings refer once documentatiOn mRke task easier major source ach photos cases onty Source Send 15-cent stamp free catalog COLLECT-AIR PHOTOS So, 14234 tOept MAt MiIw46keH Wi,0n1n 53214 Miami Indoor Aircraft Modelers Assoc continues hold varied classes monthly solidly together done means dihedral-keepers Wi 1 Knowing now building sequence wing can summarized follows Put plan building board fix lower flange main spar W4 glue ribs Wl place excep tion ones center Take care run right angles spar Next fit trailing edge W6 small triangular pieces W8 assure good connection Note direction grain has chosen contraction wood will tend towards corner gusset glued Next comes top flange W5 leading edge W7 Particularly note just much flanges spar should project beyond innermost rib After sanding tip rib surface smooth finishing rib W2 can glued onto Now center section will demand attention Two dihedral keepers Wl carefully drawn 1/16 three-ply taking care obtain exact dihedral angle After have roughly cut out jigsaw filed finished right shape course could make use tem plate draw other Check height should correspond wing under construction necessary file down fit exactly top upper flange bottom lower still have fit leading edge slots ribs sand carefully follow contour airfoil di hedral keepers may now glued spars wing Take great care properly aligned shift glue drying has done wing can joined up its counterpart blocking up finished half correct dihedral ob tained probably really tricky part whole building process See leading trailing edges just butt trim necessary Keep checking during drying glue help plan crosssections sketches finishing center section will present no difficulties Finishing Carefully inspect whole structure correct details re quired Some joints may need little glue Rough spots remains glue should sanded planed smooth fuselage including fin given two coats clear dope sanding surface smooth after layer can apply couple coats colored dope choosing white striking color model easy spot avoid ex cessive increase weight dope may thinned slightly As could happen cannot find model after landing labels name address tel ephone number should stuck main parts Covering Covering requires planning get good results Sand away rough spots Cut two panels medium heavy tissuecolors galorefor stabilizer overlap about inch Lightly moistened tissue shrinks during drying giving nice taut surface Some builders put framework damp writer prefers dampen after put using wet nailbrush running finger over preferably plant spray tissue will sag shrinks during drying Fix first tip tip fairly strong pull using either white glueslightly thinned wateror white office paste Both preferred dope dries too quickly making impossible correct wrinkles Cover lower surface first trim sharp blade razor Apply two coats clear dope pull too hard direction ribs because makes covering sag too much spoil air foil wing cannot covered oper ation half done separately technique similar stabilizer some care should taken obtain good finish center sec tion dealer will have decals dis playing name model AMA number etc Balancing Checking Assemble model using rubberbands fix wing stabilizer place should sit firmly fuselage still allow displacement case hard landing landing wing tip Bands should crossed over wing Shot pieces strip solder must put nose compartment bring center gravity balance point location shown plan Final adjust ment ballast will follow during flight tests model took about 2 ounces shot get CG right models differ yours may require somewhat less Check proper rigging angles wing tail should differ about three degrees Again final adjustment will found during testing find correct glue sliver wood fuselage either under leading edge stabilizer under trailing edge case may Watch also twists wing stabilizer will cause unwanted turn can cured either steaming side shows drooping trailing edge doping both cases twist surface opposite direction hold firmly some time Too great turning tendency flight may temporarily cured trim tab stiff paper cardboard bending up lower raised wing stabilizer placed true wing viewed front should raised side until parallel would cause too sharp turn Before take model field prepare adjustmentswhich will undoubtedly neededby taking small repair outfit such glue pins some covering tissue dope thin slices balsa plenty rubberbands some shot trimming material trim tab tape towline launch demands two im portant items towline helper helper should someone really keen assisting prepared follow instructions letter should watch flights critically able compare notes models behavior towline light strong non-elastic line some 100 feet long attached block special September 1978 101 Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TRAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andrews Aircraft Modri Co Isc US Rte 1& North St Topsfjeld Mass 01983 881-8541 Sopport AMA Price $3995 kit per dollar bar em GET ORGANIZEDATTENTION RC DEALERS s set old strrrdy fries holds overOrder large stock Kraft 4 years slyorrr faaorrte 9 15 otagazirsearadios ServosKraft EnginesAir 4 MAG FILES $495barn unitsPlus accessories Sand $496 plus $100 postage handling toKRAFT SOUTH VVESTE RN INC DOE INDUSTRIES PO Box 388-KPO 8068 Ft Worth TX 76112 DOVER NH 03820817-451-7537 Night 429-3828 572-1452 towing gear Tie ring free end small vane strip cloth below will pull ring off towhook en able see line comes free Flight Tests Mentor designed small field work does mean can flown street re stricted sports ground Choose fair-sized field free obstacles cause tur bulence may damage model Always launch dead wind start windward side ground always start off few hand launches see trim anywhere near right Launch model holding just behind CG slightly nose-down move accelerated arc will have discover speed launch will obviously depend velocity wind launch too fast first time will rear up stall dive ground Always check after landing see wing stabilizer still correct posi tions no rubberbands have come off Now hand launches show model put its nose down instead making nice extended glide fault may slow launch try again bit faster per sists flying nose heavy add tiny sliver under trailing edge stab ilizer try again As said now may put its nose up too sharply may caused too much speed bad trim Launch again still proves tail heavy add thin strip under leading edge stabilizer yet change position CG hand launch shows little amiss can glue slivers balsa permanently place dont may get lost trimming should start over again towline launch depends full attention both yourself helper Arrange clear signals avoid mis understandings Unwind some 60 feet line place ring towhook helper should see does fall off holds model just behind CG wings level nose clined slightly upward take other extreme line right wind check whether can run freely having take eye off model all-important observe its behavior prearranged signal start walk fair pacenot runand same time helper also takes few steps forward allows pull model gently hand should never push would make ring slide towhook now give attention model try pull up right speed ten sion line should learn feel whether have gauged speed cor rectly model sinks back ground proves have too slow Start again must still learn adjust towing speed strength wind Mentor has excessively strong wing spars such wing will break stressed too highly take easy strong windnot recommended test flyingthe starter may have stand quite still may have run towards model very much like launching kite time model comes overhead speed should reduced until stands right over you take pull line ring will slip gently off hook model now its own hardened veteran feels thrill accomplishment prod uct shows its merits may make difficult register movement model makes first impressions may vague second flight may watched critically model should float downwind wide circlesthere always some tend ency turnor small trim tab should glued fin make model rears up shows series stalls chances difference between rigging angles still too great leading edge stabilizer should raised minute amount Try again see same applies descent too steep case trailing edge stab must raised slightly Always work systematically carefully remem ber just what have done Bet ter make short notes changes still result smooth flight small rate descent may add remove very small amount shot thus placing CG either further forward rearward really last resort tests have shown particular wing stab plus hori zontal distance between CG given plan should correct models differ have said before stall may also caused abrupt re lease towline would mean model pulled up too fast model returns keel after few undulations have ideal setup Go easy next time trim satisfies locate bits determine angle stabilizer can attached permanently Beginners rather frightened model swerves off side well may could develop dangerous situation allowed continue right ground swerve may caused some asymmetry model should checked towing crosswind can try save model stopping gently pulling right angles flight path model should turn towards resume its normal tow However does work pretty quickly model gets closer ground line should released once may have nasty crash Try again after checking warps see may change wind higher level Practice few launches grad ually work up full length 100 feet towline Since model now will fly longer can observe better quite possible will spot scope improvements Keep practicing until know just what model capable have obtained experience Mentor youll surely want go build complicated model better performancemaybe glider radio control about per fect form model flying will know what makes tick once have flown free-flight model Mentor solid basis build 102 Model Aviation FUEL IT FLIP IT N FLY D-Varnrshrng Brushes 020-60 Fuel Bulbs 1 2 oz el /2A Fuel bye Aset lI4andl/2ATvvin Exhaust Stax order dwect 0 Teflon Reed Valve Sesid SASE literature - Dealer inquiries invited DIESEL CONVERTERS $995 sales taxI Upto 50% power 50% emnomy glow new fuel formula Diesel Fuel Pt $350 Os $500 Si p&h Davis Diesel Devlopment BOX DEPT E MILFORO CT06460 HONE 12031 877-1670 BOTH SUPER & PERMAGLOSS COME 1N43x15FT ROLLS IN ALL COLORS 2119 PIsImoni Ave Huetfsgdos Valley Pa 19006
Edition: Model Aviation - 1978/09
Page Numbers: 45, 46, 47, 48, 100, 101, 102
NO OCR TEXT NO OCR TEXT NO OCR TEXT it there best pr f 1/16 Dlafl C r use tim onto ye materi F24 iran s lu ig ho will ot use th consist spar S4 edge S6 cture sho some attention ar IU5 H PLANS SSORIES 141741 17W SPAN STOCK NO PP 15 WALMT scaLEKIT $425 ASK POE OUR KITS AND ACCESSORIES AT YOUR LOCAL DEALRR P NOT AVAILABLE AT YOUR DEALER ORDER DIRECT ADD 608 POSTAGE 4 WALNUT SCALE KITS BABY ACE$425 PEANUT SCALE KITS PIPER J3 CUR$329 PIETENPOL$329 MILES$329 TURBULENT$329 MUSTANG$349 ZERO$349 COUGAR$349 ANDREASON$349 GIPSY MOTH$349 GANAGORIE$349 SPOIT MODEL KITS ONE NITE 28$475 ONE NITE 16$349 STRINGLESS WONDER$249 P8CM ROG$139 KITS S PLANS S ACCESSORIES hAL JAPANESD TISSUE-PROPS COMPLETE CATALOG 504 MANY HARD TO FIND ITEMS Pfl**Jg,fliMAUm*AEtEPO BOX 24W -AMALA MESA CAUF 92041 q~quqwUyqqwwwPHONE 17141 469-R&YS 1 4424636 PEANUT SCALE EECLASI~~ idea condition batteries although modelers now use sophisticated ohm/volt/amp meters places test light can used keep handy bulb couple lengths medium gauge wire couple small alligator clips business Solder end wire termi nals bulb very quickly open hole cause bulb blow Attach clips other ends wires thats also soldered pointed probe end clip able make contact places clips cannot attached like tight spots think youll find little test light very handy thing though Dont use light series points check instant opening build up current primary windings coil may burn out lamp upon collapse field points open Oops Ralph Turner Amhert Ohio wrote inform error fuse lage cross sectional area formula Old L2 Rulers proper formula Cf 2L stated Ralph accuses really being old timer goes ask anyone remembers old days Air Trails gave away class Buz zard Bombshell kit year sub scription Doubt well see days again Editors Note AT gave away 10000 kits Clarence Haught Route 5 Box 16 CoeurdAlene ID 83814 FF Indoor/Tenny continued page 44 contests held Goodyear Blimp Hangar Opa Locka Airport Miami Florida MIAMA active allindoor model club US contest event schedules typical Oe outstanding features club enthusiastic sponsorship Dr John Martin includes monthly news letter replete cartoons sketches year club holds awards ban quet recognize clubs best fliers year However real event year proxy contest Manhattan Cabin models nine entries decided models would flown same modelerFAI Indoor flier Roman Szymula After what could fair Anyway out state models won 2nd David Hagen Oregon City Oregon 4th John OLeary Minneapolis Minne sota Dan Kilgore Plantation Florida won 1st 4491 John Martin Coconut Grove Florida won third Special Classes interesting event idea gleaned club activity around country indoor scale model Old Timer Gas models approximate Peanut Scale models size certainly ought fly well scale models real airplanes have short nose-moment arms event tried Glas tonbury Connecticut 1977 won Miss America replica compete against among others Trenton Terror Miss Philly Incidentally mention made above about real air planes Model airplanes realspecialpurpose miniature aircraftwhether SAFE FLYING IS NO ACCIDENT miniatures man-carrying airplanes Indoor Sites matter overwhelming importance indoor fliers locating places fly AMA Nats usually held some site otherwise available local fliers because rent too steep local activity So local fliers hold meet often some sort school gymnasium Only Chicago two massive armories usually available New Jersey/New York hangars Lakehurst Naval Air Station Miami Florida Goodyear hang ar can really plan good sites regularly available So much Americas indoor flying goes gymnasiums small arm ories city recreation buildings Excep tions New York City Low Library Rotunda Columbia University 105 very small floor area Cincin nati Ohio fliers have occasionally used 105 Cincinnati Union Terminal CDsNow Hear two cor respondents have requested contest 21 aired column column due about 50 days before magazine contains particular column will reach reader can plan far ahead will delighted carry contest information particular interest series contests flying sessions stretching over period months big annual contests normally planned well advance Local Publicity aspect indoor modeling often overlooked newspaper TV coverage local contests recent months number clubs have quite successful getting excellent coverage newspapers ranging half page full page good photos TV coverage made NIMAS International Record Trials West Baden Indiana 1977 well edited shown network shows number cities done Bob Clemens Rochester New York says no big secret ob tam media publicity Any club group desiring coverage can talk local papers TV stations explain about models flight performance site loca tion dates Better yet would have spokesman stop paper/ station show news director TV city editor some models type being flown indoor freaks have really missed boat publicity-wise really no good reason Bud Tenny PO Box 545 Richardson TX 75080 Mentor/VanHattum continued page 48 imagine run fore aft through modelcan assured building wing open Vee dihedral So have join spars both wings 100 Model Aviation FLY WIU 9311R WE BlOWN CO-2 ENGINES RNGINES ARE IN STOCK NEW CHASGER AND 5 SIZES OF TANKS BROWN ENGINES MUST BE ORDERED DIRECT PROM PECK-POLYMERS BUILDING SCALE MODEL Need airplane photos details markings refer once documentatiOn mRke task easier major source ach photos cases onty Source Send 15-cent stamp free catalog COLLECT-AIR PHOTOS So, 14234 tOept MAt MiIw46keH Wi,0n1n 53214 Miami Indoor Aircraft Modelers Assoc continues hold varied classes monthly solidly together done means dihedral-keepers Wi 1 Knowing now building sequence wing can summarized follows Put plan building board fix lower flange main spar W4 glue ribs Wl place excep tion ones center Take care run right angles spar Next fit trailing edge W6 small triangular pieces W8 assure good connection Note direction grain has chosen contraction wood will tend towards corner gusset glued Next comes top flange W5 leading edge W7 Particularly note just much flanges spar should project beyond innermost rib After sanding tip rib surface smooth finishing rib W2 can glued onto Now center section will demand attention Two dihedral keepers Wl carefully drawn 1/16 three-ply taking care obtain exact dihedral angle After have roughly cut out jigsaw filed finished right shape course could make use tem plate draw other Check height should correspond wing under construction necessary file down fit exactly top upper flange bottom lower still have fit leading edge slots ribs sand carefully follow contour airfoil di hedral keepers may now glued spars wing Take great care properly aligned shift glue drying has done wing can joined up its counterpart blocking up finished half correct dihedral ob tained probably really tricky part whole building process See leading trailing edges just butt trim necessary Keep checking during drying glue help plan crosssections sketches finishing center section will present no difficulties Finishing Carefully inspect whole structure correct details re quired Some joints may need little glue Rough spots remains glue should sanded planed smooth fuselage including fin given two coats clear dope sanding surface smooth after layer can apply couple coats colored dope choosing white striking color model easy spot avoid ex cessive increase weight dope may thinned slightly As could happen cannot find model after landing labels name address tel ephone number should stuck main parts Covering Covering requires planning get good results Sand away rough spots Cut two panels medium heavy tissuecolors galorefor stabilizer overlap about inch Lightly moistened tissue shrinks during drying giving nice taut surface Some builders put framework damp writer prefers dampen after put using wet nailbrush running finger over preferably plant spray tissue will sag shrinks during drying Fix first tip tip fairly strong pull using either white glueslightly thinned wateror white office paste Both preferred dope dries too quickly making impossible correct wrinkles Cover lower surface first trim sharp blade razor Apply two coats clear dope pull too hard direction ribs because makes covering sag too much spoil air foil wing cannot covered oper ation half done separately technique similar stabilizer some care should taken obtain good finish center sec tion dealer will have decals dis playing name model AMA number etc Balancing Checking Assemble model using rubberbands fix wing stabilizer place should sit firmly fuselage still allow displacement case hard landing landing wing tip Bands should crossed over wing Shot pieces strip solder must put nose compartment bring center gravity balance point location shown plan Final adjust ment ballast will follow during flight tests model took about 2 ounces shot get CG right models differ yours may require somewhat less Check proper rigging angles wing tail should differ about three degrees Again final adjustment will found during testing find correct glue sliver wood fuselage either under leading edge stabilizer under trailing edge case may Watch also twists wing stabilizer will cause unwanted turn can cured either steaming side shows drooping trailing edge doping both cases twist surface opposite direction hold firmly some time Too great turning tendency flight may temporarily cured trim tab stiff paper cardboard bending up lower raised wing stabilizer placed true wing viewed front should raised side until parallel would cause too sharp turn Before take model field prepare adjustmentswhich will undoubtedly neededby taking small repair outfit such glue pins some covering tissue dope thin slices balsa plenty rubberbands some shot trimming material trim tab tape towline launch demands two im portant items towline helper helper should someone really keen assisting prepared follow instructions letter should watch flights critically able compare notes models behavior towline light strong non-elastic line some 100 feet long attached block special September 1978 101 Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST B/C BASIC TRAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andrews Aircraft Modri Co Isc US Rte 1& North St Topsfjeld Mass 01983 881-8541 Sopport AMA Price $3995 kit per dollar bar em GET ORGANIZEDATTENTION RC DEALERS s set old strrrdy fries holds overOrder large stock Kraft 4 years slyorrr faaorrte 9 15 otagazirsearadios ServosKraft EnginesAir 4 MAG FILES $495barn unitsPlus accessories Sand $496 plus $100 postage handling toKRAFT SOUTH VVESTE RN INC DOE INDUSTRIES PO Box 388-KPO 8068 Ft Worth TX 76112 DOVER NH 03820817-451-7537 Night 429-3828 572-1452 towing gear Tie ring free end small vane strip cloth below will pull ring off towhook en able see line comes free Flight Tests Mentor designed small field work does mean can flown street re stricted sports ground Choose fair-sized field free obstacles cause tur bulence may damage model Always launch dead wind start windward side ground always start off few hand launches see trim anywhere near right Launch model holding just behind CG slightly nose-down move accelerated arc will have discover speed launch will obviously depend velocity wind launch too fast first time will rear up stall dive ground Always check after landing see wing stabilizer still correct posi tions no rubberbands have come off Now hand launches show model put its nose down instead making nice extended glide fault may slow launch try again bit faster per sists flying nose heavy add tiny sliver under trailing edge stab ilizer try again As said now may put its nose up too sharply may caused too much speed bad trim Launch again still proves tail heavy add thin strip under leading edge stabilizer yet change position CG hand launch shows little amiss can glue slivers balsa permanently place dont may get lost trimming should start over again towline launch depends full attention both yourself helper Arrange clear signals avoid mis understandings Unwind some 60 feet line place ring towhook helper should see does fall off holds model just behind CG wings level nose clined slightly upward take other extreme line right wind check whether can run freely having take eye off model all-important observe its behavior prearranged signal start walk fair pacenot runand same time helper also takes few steps forward allows pull model gently hand should never push would make ring slide towhook now give attention model try pull up right speed ten sion line should learn feel whether have gauged speed cor rectly model sinks back ground proves have too slow Start again must still learn adjust towing speed strength wind Mentor has excessively strong wing spars such wing will break stressed too highly take easy strong windnot recommended test flyingthe starter may have stand quite still may have run towards model very much like launching kite time model comes overhead speed should reduced until stands right over you take pull line ring will slip gently off hook model now its own hardened veteran feels thrill accomplishment prod uct shows its merits may make difficult register movement model makes first impressions may vague second flight may watched critically model should float downwind wide circlesthere always some tend ency turnor small trim tab should glued fin make model rears up shows series stalls chances difference between rigging angles still too great leading edge stabilizer should raised minute amount Try again see same applies descent too steep case trailing edge stab must raised slightly Always work systematically carefully remem ber just what have done Bet ter make short notes changes still result smooth flight small rate descent may add remove very small amount shot thus placing CG either further forward rearward really last resort tests have shown particular wing stab plus hori zontal distance between CG given plan should correct models differ have said before stall may also caused abrupt re lease towline would mean model pulled up too fast model returns keel after few undulations have ideal setup Go easy next time trim satisfies locate bits determine angle stabilizer can attached permanently Beginners rather frightened model swerves off side well may could develop dangerous situation allowed continue right ground swerve may caused some asymmetry model should checked towing crosswind can try save model stopping gently pulling right angles flight path model should turn towards resume its normal tow However does work pretty quickly model gets closer ground line should released once may have nasty crash Try again after checking warps see may change wind higher level Practice few launches grad ually work up full length 100 feet towline Since model now will fly longer can observe better quite possible will spot scope improvements Keep practicing until know just what model capable have obtained experience Mentor youll surely want go build complicated model better performancemaybe glider radio control about per fect form model flying will know what makes tick once have flown free-flight model Mentor solid basis build 102 Model Aviation FUEL IT FLIP IT N FLY D-Varnrshrng Brushes 020-60 Fuel Bulbs 1 2 oz el /2A Fuel bye Aset lI4andl/2ATvvin Exhaust Stax order dwect 0 Teflon Reed Valve Sesid SASE literature - Dealer inquiries invited DIESEL CONVERTERS $995 sales taxI Upto 50% power 50% emnomy glow new fuel formula Diesel Fuel Pt $350 Os $500 Si p&h Davis Diesel Devlopment BOX DEPT E MILFORO CT06460 HONE 12031 877-1670 BOTH SUPER & PERMAGLOSS COME 1N43x15FT ROLLS IN ALL COLORS 2119 PIsImoni Ave Huetfsgdos Valley Pa 19006