MIDWEST Has ItAll FREE FLIGHT CONTROL LINE RADIO CONTROL SNIFFER Great sport free flight model also excellent small radio-control equipment Wing span 48 recommended power 049 Kit No 304 miowes TI CO 400 Soulti Indiana St Hobart Indiana 46342 Xetters t 5d letters will carefully considered general interest used Send Model Aviation 815 15th St. NW Washington DC 20005 Equal Opportunity Beginners loss indoor flying site school gym has made some changes 4-H Aerospace Program Ozaukee County will moving out-of-doors will have use different models flying procedures Since very little information developing junior pro gram what 4-H amounts turned Junior Flight pages Model vial ion Going through 14 issues Junior Flight raises number questions reads Junior Flight juniors get Model viation have access few exceptions much value articles plans contest news typical junior What typical junior modeler After working 4-H Aerospace Program 2 years having two summer school sessions Aeromodeling seems typical junior some between nine 13 years old has little no experience model air planes previous experience models such North Pacific prod ucts rockets maybe plastic control-line model though first encounter models kid has no equipment too much money few chances get hobby shop other discount store has very little idea manual ability has vague idea what modeling about have never seen model air plane sense adult modelers consider models Most cannot spell aerodynam ics couldnt care less what have heard believe ultimate modeling have remote control plane Hardly know types airplane models can eventually explore type junior begin primary tenet teaching begin student pro gress elemental complex natural logical sequence Junior Flight does assumes junior has knowledge skills necessary compete contests Undoubt edly some juniors ready compe tition believe very small percentage contest place junior begin what AMA wants exception Delta Dart what has AMA really done start beginning develop program juniors What has hobby industry done kids RC out juniors because cost Control-line has fared fairly well because ready-to-fly plastic models 049 engines really work kits can built flown fair degree success Free flight has little going Most free flight kits scale models few exceptions should labeled builders previous experience Will fly built materials plans furnished kit some excellent models juniors try find hobby shop shelves kid couple bucks hand comes hobby shop takes pick what available has suc cess model chances going much greater meets failure happens too often first venture hobby also last Both Comet Midwest made series models beginners try find hobby shop What point few ideas What generally called junior prob lem may really senior problem dont think average kid under age 14 really capable building flying anything except elementary models Some course should encouraged average kid should have available him plans models meet needs models will have him gain success building flying point contests should between modeler model between modelers Trying meet specific tasks seems much realistic point trying better someones time can come later logical sequence learning building flying should determined made easily available juniors work juniors Delta Dart available can what happens after youve built Delta Dart would seem hand launched glider such Lunchbox Would good second model simple rubber model com plete full size plans other materials needed complete model make fly some point entire range model airplane types should made known remote control may ultimate type really junior problem AMA modelers say 6 Model Aviation SUPER MOUSE Class II Mouse Race has 17-in spanbeam mounted 049 engine Die-cut parts fully illustrated step-by-step plans Kit No 256 SUPER CHIPMUNK ARF injection-molded foam 10 19 en gines Wing span 46 Three channels En gine throttle elevator ailerons Four channels Engine throttle elevator ailerons rudder Kit No 126 want something about should something cer tainly enough talent available modelers willing give couple hours 12 15 nights year Try find want put Ed Whitten what doing Junior Flight down doing something feel can done Im sure understand what am talking about because efforts direction editor Junior American Modeler Much what use programs comes pages magazine extremely sorry see become Sport Modeler dropped completely May little push now something can get started Ken Simpson Ken Simpsons comments right can infer quite correctly that--f/after decades activ ity arLswers beginner question remain foggythe beginner problem must monumental Because suitable comment space possible because question important commentary will found months Openers Virtue its Own Reward would very poor workman could acknowledge work others examining current crop illustra tion MA September 1978 felt neces sary praise work Hank Clark have entertained superb cut aways ever since started present style familiar before always wondered until recently picked up magazine 40s think Air Trails saw pictures him Cub same issue MA also carried some excellent construction illustrations Mentor Van Hattum picture worth thousand words tis said case novice such illustrations worth perhaps 2000 Judging initial H drawings also appear ATTENTION Control Line Flyers Fox Cares About Fox Combat Special 1978 Nationals Wins Slow Combat Open 1-Dick Stubblefleld Fox 2-Larry Driscoll Fox 3-Geo Cleveland Fox Fast Combat Jr 1-Tom Fluker Fox 2-Mathis Fox 3-White Fox Fast Combat Sr 2-Bill Maywald Fox 3-Russell Crawford Fox Fast Combat Open 1-Phil Granderson Fox 2-Mike Taliman Fox 3-Bob Mears Fox 4-Karns Fox Congratulations Thanks 8306 TOWEON AVE POAT 806Th ARK 7300 PHONE 60l4UlU6 scramble forthe RC dollar manufacturers have passed control line flyers needs Fox last couple years have upgraded control line motors added new control line products invite inspection tanks control lines bell cranks control handles fuel bulbs fuel line wheels wheel collars other products catalog free asking beginner have sembled starter sets consisting motor mounting bolts fuel line tank bell crank elevator horn wheels wheel collar fuel filter extra plus control lines handle cups matched considerable price savings over buying separately suggest consider #81015 Fox 15 Baffle Starter Set Profile Models $3795 #81016 Fox 15 Schneurle Starter Set Pro file Models 5 motors pleasure oriented thought might like see competition oriented motors fared summers Nationals SEND FOR OUR FREE CATALOG Answer Thvo-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RF amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-Prodcts Inc 779 EKProducts . . ember 1978 7 MORE FIRST PLACE WINNERS AT THE 1977 NATIONALS THAN THE OTHER MAJOR MANUFACTURERS COMBINED IN FACT OVER THE PAST 10 YEARS MORE NATIONALS WINNERS HAVE USED REV-UP PROPS THAN ANY OTHER BRAND Rev-Up better 1 The efficient design con stant upgrading testing program 2 Better quality control better selection hard maple wood 3 The best finish completelyfuelproof New Improved 1918 SPECIAL PRO SERIES 2 FOR RCFREE FLtGHT CONTROL LINE DIAPITCHPRICE 5%3489 63489 733%4119 93 3%4 5e 129 8%77%139 945ee% 77%139 104597149 10eW ew149 10eEW159 114977% 7%7%8159 11eEW-lee 11%97159 12e179 125W179 1356239 1455279 1556349 iS4% 9449 175e599 1856999 W WIDE BLADE EW EXTRA WIDE SERIES 4008 FOR SPEED NG ADVANCED DESIGN NO 1IN PYLON RACING LEADING SPEED RECORD HOLDER OF ALL TIMES RC PYLON RACING DIAPITCHPRICE 53%4129 759149 7SN SN149 8%6% 9% 7 7%7%199 97 7% 7%199 CONTROL LINE SPEED& RACING DIA PITCHPRICE 4%9%129 4%55%129 6788%149 77%1O%11199 889199 89N 9%N189 91213229 N NARROW work Mr 1-lattum nice know JVH still active fin style has trademark long can recall fact memory serves right re member seeing Van Hattum representing Holland Old Eaton Bray Model drome England during late forties early 50s own up being influenced glider fuselage design several years simple yet aesthetically pleasing angular lines also signature Keep up excellent art worksnice Jim Newman Midwest Products Co Hobart IN Build em Light just received September MA enjoyed thoroughly rather startled see Harry Robinsons drawing Seversky subject next plastic display model kit also greatly enjoyed Openers several reasons First off description scale model flying gang Maryland site joy certainly captured spirit models flyers Second comments regarding fine performances Royall Moores Gee Bees other supposedly unflyable subjects astute think 100% beam regarding dif ficulties encountered RC modelers build brick-weight over-powered repro ductions Since am involved RC views strictly interested outside observer Morgan Hill Golden Age contest conducted week-end-beforelast provided beautiful opportunity study differences approach because lightweight regular size models heavy weights mammoths flown Conclusion big jobs appear realis tic air just because im pressive size because moder ate speed Some average-size models compared quite favorably because too featured light wing loadings moderate power contrast some small jobs roaring around course what looked like Mach 2 speeds nonenthusiasts crowd clearly perceived difference realism Granger Williams took first class Morgan Hill RC Gee Bee 7 has R-l about 70% completed look forward eagerly seeing action will accurate available reference material will permit no cheating devices modifications proportions Bill Hannan San Marcos CA Touchy Subject refer first two paragraphs Openers column page five Au gust 1978 best descrip tions present state Pattern yet written question doesnt writer wish take issue Pattern way Let masters experts elite well-heeled able go tour nament tournament let tuned pipe retract Webra- OPS- Rossi-powered specialized airplanes stay out Novice pattern Presently class farce Pattern going end up about popular Dooling-powered race cars cannot allow called state-ofthe-art its excessive price tag drive masses away likened wheat sugar refined point being valueless useful food Somewhere along line someone forgot RC planes still must con sidered expendable items cost does allow such majority look elsewhere recreation would like enter hobby simply stop before start Everyone seems agree new faces have appear event grow stay constant contest Pattern garners 90 contestants 1974 presently hard pressed get 30 would seem handwriting wall love pattern flying really fine people involved facet radio control models because love want Pattern continue grow Manufacturers well indi viduals alike will have work together find way put Novice back novice pattern Bill Northrop suggests valid alterna tive Give bonus points engines 40 curn less Clark Y airfoil no pipe no retracts shoulder high wing design less four channels Again refer column men tioned opening paragraph have stated clearly problem Now find answer Ben J Garrett Brownwood TX reason did wish take issue Pattern simple thought never occurred us seems us Novice Expert Master classes set up compensate variations piloting expertiseso people could enjoy competition airplane existed Which also means air plane evolves Perhaps really need equivalent Pattern Quickie 500 Pylon Slow Pattern just have CL Slow Combat Racing yet another official event Winglets Dave Joness AR-25 August 1978 Mod v might well leg up other models writing advertisers mention read about MA 8 Model Aviation THE LEADER IN COMPETITION PROPELLERS its class sure snazzy looking machine things out wingtips winglets theyre plain old downhome tip plates tip plates elevated status winglets requires have high-LID airfoil section proper toe-out angle Just making profile shape about like NASA winglets doesnt hack fact shape probab ly least important aspect design wonder statement captions stating winglets really improved performance really justi fied would require extensive testing model both winglets under identical conditions careful measurements performance Quite possibly done nothing article indicate Bob Meuser Oakland CA Jones Winglets dont wish get semantics bat tle Bob taking hard stand weak ground -let defined di minutive suffix attached nouns fore winglet small wing may call small wing winglet choose NASA-designed winglets nec essarily have have high L/D airfoil sections Sections may vary no camber high camber along span winglet along twist used match local flow along span winglet winglet can op timized flight condition com plicated task span winglet de termines its effect geometric aspect ratio Shape has little effect area determines fin/rudder size required overcome destabilizing influence Flight characteristics have such pronounced change between winglet off no measurements re quired However advocate winglets span can creased winglet shown plan second tried first area same span close uncontrol lable second paragraph page 28 August Model viat ion denotes other changes may tried design parameters used NASA winglets hardly appropriate sailplane models especially diminutive Reynolds numbers Remember winglet root chord 2-5/8 inches model regimen important single item increased performance winglet span possible small improvements caused proper camber twist cant good flight point very difficult determine dont feel advantageous design Dave Jones Torrance CA CLOCK NOEL TIMERSALL SIZE ENGINe MOUNTSPEACE PIPE MEIFFLEMSSYRINGE FUELERS SURGICAL TUBINGSPECIAL ENGINE MOUNTSCALUNET MUFFLERSPEN BLADDERS NEOPRENE TONINGTANK MOUNTSIIUFFLfT MUFFLERSFUEL TANK FILLER SCALE INSTRUMENT KITSSPEED PANSENGINE MANIFOLDSSTICK-ATOBE AIIA SAFETY PROP BITSB/C STEERABLE NOSE GEARMUFFLER EUTENS IONSENGINE COALS ENGINE TEST STARRU/C RING MOLD GOONSRACE CAR MUFFLERSFUEL SNOT OFF VALVE SLUM PLUG STUOTEGNYLON SCREWCHICKEN STICKSPROPELLEGS RATTEGY CUAAGERNYLON SPIINIERSRAZOR BLADESERGINE MT- GRILL 510 Peanut Scale Peanut Scale models rubber powered flying models scaled real dirraft Span strictly limited 13 may flown indoors outdoors Sterling Peanuts fun build fun fly Designed euperfs remark ably realistic appearance great flyers material repuired isis kit models eccept glue 5 dope paint addition need pliers straight pins hammer Iweezers single edge razor bladeflat building board Saran Wrap olmilor L Name AddressCtv...STate......2y December1978 9 U Shown below just sampling accessories make 4 ENGINE IISGNTS RAN FOLDS LI1U IUU TOr t paqe Illustrated cataloo refundable frqt order TATONE PRODUCTS CORP 1209 GENEVA AVENUE SAN FRANCISCO CA94 112 STERLING MODELS 0 ST PHILA PA 1913d mO Achier arwIaGie OrrOct oAOs asseRted t5 aAArIoeai charge handlIng anA shipping 1000 wniwun U 5 S 25 minimum OulElA US P Certog ot entire lirre ot airplane ConIrni tine model kitS 0 C scale anA Trainer OilS 001 moOd Un acsesorieS etC 500 encloSed Secrets 01 Modet Airplane Bonding inuluding design COnsiruCtiOn roeerng tinhshing treing adtushng suntrot systems ere 25C ens 1050 12 Senre, ConIel Lne Carrer Fining inciudinO pretiigtnin setOing sluntlng Carier rules reGaihtOrrS Carrie tiereg hints Control tin inslattatiun nstruntCns 2SC nosiosed NC Chenks 0515 U S monee 0005 OCOrPnCfhhceVtPd
Edition: Model Aviation - 1978/12
Page Numbers: 6, 7, 8, 9
MIDWEST Has ItAll FREE FLIGHT CONTROL LINE RADIO CONTROL SNIFFER Great sport free flight model also excellent small radio-control equipment Wing span 48 recommended power 049 Kit No 304 miowes TI CO 400 Soulti Indiana St Hobart Indiana 46342 Xetters t 5d letters will carefully considered general interest used Send Model Aviation 815 15th St. NW Washington DC 20005 Equal Opportunity Beginners loss indoor flying site school gym has made some changes 4-H Aerospace Program Ozaukee County will moving out-of-doors will have use different models flying procedures Since very little information developing junior pro gram what 4-H amounts turned Junior Flight pages Model vial ion Going through 14 issues Junior Flight raises number questions reads Junior Flight juniors get Model viation have access few exceptions much value articles plans contest news typical junior What typical junior modeler After working 4-H Aerospace Program 2 years having two summer school sessions Aeromodeling seems typical junior some between nine 13 years old has little no experience model air planes previous experience models such North Pacific prod ucts rockets maybe plastic control-line model though first encounter models kid has no equipment too much money few chances get hobby shop other discount store has very little idea manual ability has vague idea what modeling about have never seen model air plane sense adult modelers consider models Most cannot spell aerodynam ics couldnt care less what have heard believe ultimate modeling have remote control plane Hardly know types airplane models can eventually explore type junior begin primary tenet teaching begin student pro gress elemental complex natural logical sequence Junior Flight does assumes junior has knowledge skills necessary compete contests Undoubt edly some juniors ready compe tition believe very small percentage contest place junior begin what AMA wants exception Delta Dart what has AMA really done start beginning develop program juniors What has hobby industry done kids RC out juniors because cost Control-line has fared fairly well because ready-to-fly plastic models 049 engines really work kits can built flown fair degree success Free flight has little going Most free flight kits scale models few exceptions should labeled builders previous experience Will fly built materials plans furnished kit some excellent models juniors try find hobby shop shelves kid couple bucks hand comes hobby shop takes pick what available has suc cess model chances going much greater meets failure happens too often first venture hobby also last Both Comet Midwest made series models beginners try find hobby shop What point few ideas What generally called junior prob lem may really senior problem dont think average kid under age 14 really capable building flying anything except elementary models Some course should encouraged average kid should have available him plans models meet needs models will have him gain success building flying point contests should between modeler model between modelers Trying meet specific tasks seems much realistic point trying better someones time can come later logical sequence learning building flying should determined made easily available juniors work juniors Delta Dart available can what happens after youve built Delta Dart would seem hand launched glider such Lunchbox Would good second model simple rubber model com plete full size plans other materials needed complete model make fly some point entire range model airplane types should made known remote control may ultimate type really junior problem AMA modelers say 6 Model Aviation SUPER MOUSE Class II Mouse Race has 17-in spanbeam mounted 049 engine Die-cut parts fully illustrated step-by-step plans Kit No 256 SUPER CHIPMUNK ARF injection-molded foam 10 19 en gines Wing span 46 Three channels En gine throttle elevator ailerons Four channels Engine throttle elevator ailerons rudder Kit No 126 want something about should something cer tainly enough talent available modelers willing give couple hours 12 15 nights year Try find want put Ed Whitten what doing Junior Flight down doing something feel can done Im sure understand what am talking about because efforts direction editor Junior American Modeler Much what use programs comes pages magazine extremely sorry see become Sport Modeler dropped completely May little push now something can get started Ken Simpson Ken Simpsons comments right can infer quite correctly that--f/after decades activ ity arLswers beginner question remain foggythe beginner problem must monumental Because suitable comment space possible because question important commentary will found months Openers Virtue its Own Reward would very poor workman could acknowledge work others examining current crop illustra tion MA September 1978 felt neces sary praise work Hank Clark have entertained superb cut aways ever since started present style familiar before always wondered until recently picked up magazine 40s think Air Trails saw pictures him Cub same issue MA also carried some excellent construction illustrations Mentor Van Hattum picture worth thousand words tis said case novice such illustrations worth perhaps 2000 Judging initial H drawings also appear ATTENTION Control Line Flyers Fox Cares About Fox Combat Special 1978 Nationals Wins Slow Combat Open 1-Dick Stubblefleld Fox 2-Larry Driscoll Fox 3-Geo Cleveland Fox Fast Combat Jr 1-Tom Fluker Fox 2-Mathis Fox 3-White Fox Fast Combat Sr 2-Bill Maywald Fox 3-Russell Crawford Fox Fast Combat Open 1-Phil Granderson Fox 2-Mike Taliman Fox 3-Bob Mears Fox 4-Karns Fox Congratulations Thanks 8306 TOWEON AVE POAT 806Th ARK 7300 PHONE 60l4UlU6 scramble forthe RC dollar manufacturers have passed control line flyers needs Fox last couple years have upgraded control line motors added new control line products invite inspection tanks control lines bell cranks control handles fuel bulbs fuel line wheels wheel collars other products catalog free asking beginner have sembled starter sets consisting motor mounting bolts fuel line tank bell crank elevator horn wheels wheel collar fuel filter extra plus control lines handle cups matched considerable price savings over buying separately suggest consider #81015 Fox 15 Baffle Starter Set Profile Models $3795 #81016 Fox 15 Schneurle Starter Set Pro file Models 5 motors pleasure oriented thought might like see competition oriented motors fared summers Nationals SEND FOR OUR FREE CATALOG Answer Thvo-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RF amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-Prodcts Inc 779 EKProducts . . ember 1978 7 MORE FIRST PLACE WINNERS AT THE 1977 NATIONALS THAN THE OTHER MAJOR MANUFACTURERS COMBINED IN FACT OVER THE PAST 10 YEARS MORE NATIONALS WINNERS HAVE USED REV-UP PROPS THAN ANY OTHER BRAND Rev-Up better 1 The efficient design con stant upgrading testing program 2 Better quality control better selection hard maple wood 3 The best finish completelyfuelproof New Improved 1918 SPECIAL PRO SERIES 2 FOR RCFREE FLtGHT CONTROL LINE DIAPITCHPRICE 5%3489 63489 733%4119 93 3%4 5e 129 8%77%139 945ee% 77%139 104597149 10eW ew149 10eEW159 114977% 7%7%8159 11eEW-lee 11%97159 12e179 125W179 1356239 1455279 1556349 iS4% 9449 175e599 1856999 W WIDE BLADE EW EXTRA WIDE SERIES 4008 FOR SPEED NG ADVANCED DESIGN NO 1IN PYLON RACING LEADING SPEED RECORD HOLDER OF ALL TIMES RC PYLON RACING DIAPITCHPRICE 53%4129 759149 7SN SN149 8%6% 9% 7 7%7%199 97 7% 7%199 CONTROL LINE SPEED& RACING DIA PITCHPRICE 4%9%129 4%55%129 6788%149 77%1O%11199 889199 89N 9%N189 91213229 N NARROW work Mr 1-lattum nice know JVH still active fin style has trademark long can recall fact memory serves right re member seeing Van Hattum representing Holland Old Eaton Bray Model drome England during late forties early 50s own up being influenced glider fuselage design several years simple yet aesthetically pleasing angular lines also signature Keep up excellent art worksnice Jim Newman Midwest Products Co Hobart IN Build em Light just received September MA enjoyed thoroughly rather startled see Harry Robinsons drawing Seversky subject next plastic display model kit also greatly enjoyed Openers several reasons First off description scale model flying gang Maryland site joy certainly captured spirit models flyers Second comments regarding fine performances Royall Moores Gee Bees other supposedly unflyable subjects astute think 100% beam regarding dif ficulties encountered RC modelers build brick-weight over-powered repro ductions Since am involved RC views strictly interested outside observer Morgan Hill Golden Age contest conducted week-end-beforelast provided beautiful opportunity study differences approach because lightweight regular size models heavy weights mammoths flown Conclusion big jobs appear realis tic air just because im pressive size because moder ate speed Some average-size models compared quite favorably because too featured light wing loadings moderate power contrast some small jobs roaring around course what looked like Mach 2 speeds nonenthusiasts crowd clearly perceived difference realism Granger Williams took first class Morgan Hill RC Gee Bee 7 has R-l about 70% completed look forward eagerly seeing action will accurate available reference material will permit no cheating devices modifications proportions Bill Hannan San Marcos CA Touchy Subject refer first two paragraphs Openers column page five Au gust 1978 best descrip tions present state Pattern yet written question doesnt writer wish take issue Pattern way Let masters experts elite well-heeled able go tour nament tournament let tuned pipe retract Webra- OPS- Rossi-powered specialized airplanes stay out Novice pattern Presently class farce Pattern going end up about popular Dooling-powered race cars cannot allow called state-ofthe-art its excessive price tag drive masses away likened wheat sugar refined point being valueless useful food Somewhere along line someone forgot RC planes still must con sidered expendable items cost does allow such majority look elsewhere recreation would like enter hobby simply stop before start Everyone seems agree new faces have appear event grow stay constant contest Pattern garners 90 contestants 1974 presently hard pressed get 30 would seem handwriting wall love pattern flying really fine people involved facet radio control models because love want Pattern continue grow Manufacturers well indi viduals alike will have work together find way put Novice back novice pattern Bill Northrop suggests valid alterna tive Give bonus points engines 40 curn less Clark Y airfoil no pipe no retracts shoulder high wing design less four channels Again refer column men tioned opening paragraph have stated clearly problem Now find answer Ben J Garrett Brownwood TX reason did wish take issue Pattern simple thought never occurred us seems us Novice Expert Master classes set up compensate variations piloting expertiseso people could enjoy competition airplane existed Which also means air plane evolves Perhaps really need equivalent Pattern Quickie 500 Pylon Slow Pattern just have CL Slow Combat Racing yet another official event Winglets Dave Joness AR-25 August 1978 Mod v might well leg up other models writing advertisers mention read about MA 8 Model Aviation THE LEADER IN COMPETITION PROPELLERS its class sure snazzy looking machine things out wingtips winglets theyre plain old downhome tip plates tip plates elevated status winglets requires have high-LID airfoil section proper toe-out angle Just making profile shape about like NASA winglets doesnt hack fact shape probab ly least important aspect design wonder statement captions stating winglets really improved performance really justi fied would require extensive testing model both winglets under identical conditions careful measurements performance Quite possibly done nothing article indicate Bob Meuser Oakland CA Jones Winglets dont wish get semantics bat tle Bob taking hard stand weak ground -let defined di minutive suffix attached nouns fore winglet small wing may call small wing winglet choose NASA-designed winglets nec essarily have have high L/D airfoil sections Sections may vary no camber high camber along span winglet along twist used match local flow along span winglet winglet can op timized flight condition com plicated task span winglet de termines its effect geometric aspect ratio Shape has little effect area determines fin/rudder size required overcome destabilizing influence Flight characteristics have such pronounced change between winglet off no measurements re quired However advocate winglets span can creased winglet shown plan second tried first area same span close uncontrol lable second paragraph page 28 August Model viat ion denotes other changes may tried design parameters used NASA winglets hardly appropriate sailplane models especially diminutive Reynolds numbers Remember winglet root chord 2-5/8 inches model regimen important single item increased performance winglet span possible small improvements caused proper camber twist cant good flight point very difficult determine dont feel advantageous design Dave Jones Torrance CA CLOCK NOEL TIMERSALL SIZE ENGINe MOUNTSPEACE PIPE MEIFFLEMSSYRINGE FUELERS SURGICAL TUBINGSPECIAL ENGINE MOUNTSCALUNET MUFFLERSPEN BLADDERS NEOPRENE TONINGTANK MOUNTSIIUFFLfT MUFFLERSFUEL TANK FILLER SCALE INSTRUMENT KITSSPEED PANSENGINE MANIFOLDSSTICK-ATOBE AIIA SAFETY PROP BITSB/C STEERABLE NOSE GEARMUFFLER EUTENS IONSENGINE COALS ENGINE TEST STARRU/C RING MOLD GOONSRACE CAR MUFFLERSFUEL SNOT OFF VALVE SLUM PLUG STUOTEGNYLON SCREWCHICKEN STICKSPROPELLEGS RATTEGY CUAAGERNYLON SPIINIERSRAZOR BLADESERGINE MT- GRILL 510 Peanut Scale Peanut Scale models rubber powered flying models scaled real dirraft Span strictly limited 13 may flown indoors outdoors Sterling Peanuts fun build fun fly Designed euperfs remark ably realistic appearance great flyers material repuired isis kit models eccept glue 5 dope paint addition need pliers straight pins hammer Iweezers single edge razor bladeflat building board Saran Wrap olmilor L Name AddressCtv...STate......2y December1978 9 U Shown below just sampling accessories make 4 ENGINE IISGNTS RAN FOLDS LI1U IUU TOr t paqe Illustrated cataloo refundable frqt order TATONE PRODUCTS CORP 1209 GENEVA AVENUE SAN FRANCISCO CA94 112 STERLING MODELS 0 ST PHILA PA 1913d mO Achier arwIaGie OrrOct oAOs asseRted t5 aAArIoeai charge handlIng anA shipping 1000 wniwun U 5 S 25 minimum OulElA US P Certog ot entire lirre ot airplane ConIrni tine model kitS 0 C scale anA Trainer OilS 001 moOd Un acsesorieS etC 500 encloSed Secrets 01 Modet Airplane Bonding inuluding design COnsiruCtiOn roeerng tinhshing treing adtushng suntrot systems ere 25C ens 1050 12 Senre, ConIel Lne Carrer Fining inciudinO pretiigtnin setOing sluntlng Carier rules reGaihtOrrS Carrie tiereg hints Control tin inslattatiun nstruntCns 2SC nosiosed NC Chenks 0515 U S monee 0005 OCOrPnCfhhceVtPd
Edition: Model Aviation - 1978/12
Page Numbers: 6, 7, 8, 9
MIDWEST Has ItAll FREE FLIGHT CONTROL LINE RADIO CONTROL SNIFFER Great sport free flight model also excellent small radio-control equipment Wing span 48 recommended power 049 Kit No 304 miowes TI CO 400 Soulti Indiana St Hobart Indiana 46342 Xetters t 5d letters will carefully considered general interest used Send Model Aviation 815 15th St. NW Washington DC 20005 Equal Opportunity Beginners loss indoor flying site school gym has made some changes 4-H Aerospace Program Ozaukee County will moving out-of-doors will have use different models flying procedures Since very little information developing junior pro gram what 4-H amounts turned Junior Flight pages Model vial ion Going through 14 issues Junior Flight raises number questions reads Junior Flight juniors get Model viation have access few exceptions much value articles plans contest news typical junior What typical junior modeler After working 4-H Aerospace Program 2 years having two summer school sessions Aeromodeling seems typical junior some between nine 13 years old has little no experience model air planes previous experience models such North Pacific prod ucts rockets maybe plastic control-line model though first encounter models kid has no equipment too much money few chances get hobby shop other discount store has very little idea manual ability has vague idea what modeling about have never seen model air plane sense adult modelers consider models Most cannot spell aerodynam ics couldnt care less what have heard believe ultimate modeling have remote control plane Hardly know types airplane models can eventually explore type junior begin primary tenet teaching begin student pro gress elemental complex natural logical sequence Junior Flight does assumes junior has knowledge skills necessary compete contests Undoubt edly some juniors ready compe tition believe very small percentage contest place junior begin what AMA wants exception Delta Dart what has AMA really done start beginning develop program juniors What has hobby industry done kids RC out juniors because cost Control-line has fared fairly well because ready-to-fly plastic models 049 engines really work kits can built flown fair degree success Free flight has little going Most free flight kits scale models few exceptions should labeled builders previous experience Will fly built materials plans furnished kit some excellent models juniors try find hobby shop shelves kid couple bucks hand comes hobby shop takes pick what available has suc cess model chances going much greater meets failure happens too often first venture hobby also last Both Comet Midwest made series models beginners try find hobby shop What point few ideas What generally called junior prob lem may really senior problem dont think average kid under age 14 really capable building flying anything except elementary models Some course should encouraged average kid should have available him plans models meet needs models will have him gain success building flying point contests should between modeler model between modelers Trying meet specific tasks seems much realistic point trying better someones time can come later logical sequence learning building flying should determined made easily available juniors work juniors Delta Dart available can what happens after youve built Delta Dart would seem hand launched glider such Lunchbox Would good second model simple rubber model com plete full size plans other materials needed complete model make fly some point entire range model airplane types should made known remote control may ultimate type really junior problem AMA modelers say 6 Model Aviation SUPER MOUSE Class II Mouse Race has 17-in spanbeam mounted 049 engine Die-cut parts fully illustrated step-by-step plans Kit No 256 SUPER CHIPMUNK ARF injection-molded foam 10 19 en gines Wing span 46 Three channels En gine throttle elevator ailerons Four channels Engine throttle elevator ailerons rudder Kit No 126 want something about should something cer tainly enough talent available modelers willing give couple hours 12 15 nights year Try find want put Ed Whitten what doing Junior Flight down doing something feel can done Im sure understand what am talking about because efforts direction editor Junior American Modeler Much what use programs comes pages magazine extremely sorry see become Sport Modeler dropped completely May little push now something can get started Ken Simpson Ken Simpsons comments right can infer quite correctly that--f/after decades activ ity arLswers beginner question remain foggythe beginner problem must monumental Because suitable comment space possible because question important commentary will found months Openers Virtue its Own Reward would very poor workman could acknowledge work others examining current crop illustra tion MA September 1978 felt neces sary praise work Hank Clark have entertained superb cut aways ever since started present style familiar before always wondered until recently picked up magazine 40s think Air Trails saw pictures him Cub same issue MA also carried some excellent construction illustrations Mentor Van Hattum picture worth thousand words tis said case novice such illustrations worth perhaps 2000 Judging initial H drawings also appear ATTENTION Control Line Flyers Fox Cares About Fox Combat Special 1978 Nationals Wins Slow Combat Open 1-Dick Stubblefleld Fox 2-Larry Driscoll Fox 3-Geo Cleveland Fox Fast Combat Jr 1-Tom Fluker Fox 2-Mathis Fox 3-White Fox Fast Combat Sr 2-Bill Maywald Fox 3-Russell Crawford Fox Fast Combat Open 1-Phil Granderson Fox 2-Mike Taliman Fox 3-Bob Mears Fox 4-Karns Fox Congratulations Thanks 8306 TOWEON AVE POAT 806Th ARK 7300 PHONE 60l4UlU6 scramble forthe RC dollar manufacturers have passed control line flyers needs Fox last couple years have upgraded control line motors added new control line products invite inspection tanks control lines bell cranks control handles fuel bulbs fuel line wheels wheel collars other products catalog free asking beginner have sembled starter sets consisting motor mounting bolts fuel line tank bell crank elevator horn wheels wheel collar fuel filter extra plus control lines handle cups matched considerable price savings over buying separately suggest consider #81015 Fox 15 Baffle Starter Set Profile Models $3795 #81016 Fox 15 Schneurle Starter Set Pro file Models 5 motors pleasure oriented thought might like see competition oriented motors fared summers Nationals SEND FOR OUR FREE CATALOG Answer Thvo-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RF amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-Prodcts Inc 779 EKProducts . . ember 1978 7 MORE FIRST PLACE WINNERS AT THE 1977 NATIONALS THAN THE OTHER MAJOR MANUFACTURERS COMBINED IN FACT OVER THE PAST 10 YEARS MORE NATIONALS WINNERS HAVE USED REV-UP PROPS THAN ANY OTHER BRAND Rev-Up better 1 The efficient design con stant upgrading testing program 2 Better quality control better selection hard maple wood 3 The best finish completelyfuelproof New Improved 1918 SPECIAL PRO SERIES 2 FOR RCFREE FLtGHT CONTROL LINE DIAPITCHPRICE 5%3489 63489 733%4119 93 3%4 5e 129 8%77%139 945ee% 77%139 104597149 10eW ew149 10eEW159 114977% 7%7%8159 11eEW-lee 11%97159 12e179 125W179 1356239 1455279 1556349 iS4% 9449 175e599 1856999 W WIDE BLADE EW EXTRA WIDE SERIES 4008 FOR SPEED NG ADVANCED DESIGN NO 1IN PYLON RACING LEADING SPEED RECORD HOLDER OF ALL TIMES RC PYLON RACING DIAPITCHPRICE 53%4129 759149 7SN SN149 8%6% 9% 7 7%7%199 97 7% 7%199 CONTROL LINE SPEED& RACING DIA PITCHPRICE 4%9%129 4%55%129 6788%149 77%1O%11199 889199 89N 9%N189 91213229 N NARROW work Mr 1-lattum nice know JVH still active fin style has trademark long can recall fact memory serves right re member seeing Van Hattum representing Holland Old Eaton Bray Model drome England during late forties early 50s own up being influenced glider fuselage design several years simple yet aesthetically pleasing angular lines also signature Keep up excellent art worksnice Jim Newman Midwest Products Co Hobart IN Build em Light just received September MA enjoyed thoroughly rather startled see Harry Robinsons drawing Seversky subject next plastic display model kit also greatly enjoyed Openers several reasons First off description scale model flying gang Maryland site joy certainly captured spirit models flyers Second comments regarding fine performances Royall Moores Gee Bees other supposedly unflyable subjects astute think 100% beam regarding dif ficulties encountered RC modelers build brick-weight over-powered repro ductions Since am involved RC views strictly interested outside observer Morgan Hill Golden Age contest conducted week-end-beforelast provided beautiful opportunity study differences approach because lightweight regular size models heavy weights mammoths flown Conclusion big jobs appear realis tic air just because im pressive size because moder ate speed Some average-size models compared quite favorably because too featured light wing loadings moderate power contrast some small jobs roaring around course what looked like Mach 2 speeds nonenthusiasts crowd clearly perceived difference realism Granger Williams took first class Morgan Hill RC Gee Bee 7 has R-l about 70% completed look forward eagerly seeing action will accurate available reference material will permit no cheating devices modifications proportions Bill Hannan San Marcos CA Touchy Subject refer first two paragraphs Openers column page five Au gust 1978 best descrip tions present state Pattern yet written question doesnt writer wish take issue Pattern way Let masters experts elite well-heeled able go tour nament tournament let tuned pipe retract Webra- OPS- Rossi-powered specialized airplanes stay out Novice pattern Presently class farce Pattern going end up about popular Dooling-powered race cars cannot allow called state-ofthe-art its excessive price tag drive masses away likened wheat sugar refined point being valueless useful food Somewhere along line someone forgot RC planes still must con sidered expendable items cost does allow such majority look elsewhere recreation would like enter hobby simply stop before start Everyone seems agree new faces have appear event grow stay constant contest Pattern garners 90 contestants 1974 presently hard pressed get 30 would seem handwriting wall love pattern flying really fine people involved facet radio control models because love want Pattern continue grow Manufacturers well indi viduals alike will have work together find way put Novice back novice pattern Bill Northrop suggests valid alterna tive Give bonus points engines 40 curn less Clark Y airfoil no pipe no retracts shoulder high wing design less four channels Again refer column men tioned opening paragraph have stated clearly problem Now find answer Ben J Garrett Brownwood TX reason did wish take issue Pattern simple thought never occurred us seems us Novice Expert Master classes set up compensate variations piloting expertiseso people could enjoy competition airplane existed Which also means air plane evolves Perhaps really need equivalent Pattern Quickie 500 Pylon Slow Pattern just have CL Slow Combat Racing yet another official event Winglets Dave Joness AR-25 August 1978 Mod v might well leg up other models writing advertisers mention read about MA 8 Model Aviation THE LEADER IN COMPETITION PROPELLERS its class sure snazzy looking machine things out wingtips winglets theyre plain old downhome tip plates tip plates elevated status winglets requires have high-LID airfoil section proper toe-out angle Just making profile shape about like NASA winglets doesnt hack fact shape probab ly least important aspect design wonder statement captions stating winglets really improved performance really justi fied would require extensive testing model both winglets under identical conditions careful measurements performance Quite possibly done nothing article indicate Bob Meuser Oakland CA Jones Winglets dont wish get semantics bat tle Bob taking hard stand weak ground -let defined di minutive suffix attached nouns fore winglet small wing may call small wing winglet choose NASA-designed winglets nec essarily have have high L/D airfoil sections Sections may vary no camber high camber along span winglet along twist used match local flow along span winglet winglet can op timized flight condition com plicated task span winglet de termines its effect geometric aspect ratio Shape has little effect area determines fin/rudder size required overcome destabilizing influence Flight characteristics have such pronounced change between winglet off no measurements re quired However advocate winglets span can creased winglet shown plan second tried first area same span close uncontrol lable second paragraph page 28 August Model viat ion denotes other changes may tried design parameters used NASA winglets hardly appropriate sailplane models especially diminutive Reynolds numbers Remember winglet root chord 2-5/8 inches model regimen important single item increased performance winglet span possible small improvements caused proper camber twist cant good flight point very difficult determine dont feel advantageous design Dave Jones Torrance CA CLOCK NOEL TIMERSALL SIZE ENGINe MOUNTSPEACE PIPE MEIFFLEMSSYRINGE FUELERS SURGICAL TUBINGSPECIAL ENGINE MOUNTSCALUNET MUFFLERSPEN BLADDERS NEOPRENE TONINGTANK MOUNTSIIUFFLfT MUFFLERSFUEL TANK FILLER SCALE INSTRUMENT KITSSPEED PANSENGINE MANIFOLDSSTICK-ATOBE AIIA SAFETY PROP BITSB/C STEERABLE NOSE GEARMUFFLER EUTENS IONSENGINE COALS ENGINE TEST STARRU/C RING MOLD GOONSRACE CAR MUFFLERSFUEL SNOT OFF VALVE SLUM PLUG STUOTEGNYLON SCREWCHICKEN STICKSPROPELLEGS RATTEGY CUAAGERNYLON SPIINIERSRAZOR BLADESERGINE MT- GRILL 510 Peanut Scale Peanut Scale models rubber powered flying models scaled real dirraft Span strictly limited 13 may flown indoors outdoors Sterling Peanuts fun build fun fly Designed euperfs remark ably realistic appearance great flyers material repuired isis kit models eccept glue 5 dope paint addition need pliers straight pins hammer Iweezers single edge razor bladeflat building board Saran Wrap olmilor L Name AddressCtv...STate......2y December1978 9 U Shown below just sampling accessories make 4 ENGINE IISGNTS RAN FOLDS LI1U IUU TOr t paqe Illustrated cataloo refundable frqt order TATONE PRODUCTS CORP 1209 GENEVA AVENUE SAN FRANCISCO CA94 112 STERLING MODELS 0 ST PHILA PA 1913d mO Achier arwIaGie OrrOct oAOs asseRted t5 aAArIoeai charge handlIng anA shipping 1000 wniwun U 5 S 25 minimum OulElA US P Certog ot entire lirre ot airplane ConIrni tine model kitS 0 C scale anA Trainer OilS 001 moOd Un acsesorieS etC 500 encloSed Secrets 01 Modet Airplane Bonding inuluding design COnsiruCtiOn roeerng tinhshing treing adtushng suntrot systems ere 25C ens 1050 12 Senre, ConIel Lne Carrer Fining inciudinO pretiigtnin setOing sluntlng Carier rules reGaihtOrrS Carrie tiereg hints Control tin inslattatiun nstruntCns 2SC nosiosed NC Chenks 0515 U S monee 0005 OCOrPnCfhhceVtPd
Edition: Model Aviation - 1978/12
Page Numbers: 6, 7, 8, 9
MIDWEST Has ItAll FREE FLIGHT CONTROL LINE RADIO CONTROL SNIFFER Great sport free flight model also excellent small radio-control equipment Wing span 48 recommended power 049 Kit No 304 miowes TI CO 400 Soulti Indiana St Hobart Indiana 46342 Xetters t 5d letters will carefully considered general interest used Send Model Aviation 815 15th St. NW Washington DC 20005 Equal Opportunity Beginners loss indoor flying site school gym has made some changes 4-H Aerospace Program Ozaukee County will moving out-of-doors will have use different models flying procedures Since very little information developing junior pro gram what 4-H amounts turned Junior Flight pages Model vial ion Going through 14 issues Junior Flight raises number questions reads Junior Flight juniors get Model viation have access few exceptions much value articles plans contest news typical junior What typical junior modeler After working 4-H Aerospace Program 2 years having two summer school sessions Aeromodeling seems typical junior some between nine 13 years old has little no experience model air planes previous experience models such North Pacific prod ucts rockets maybe plastic control-line model though first encounter models kid has no equipment too much money few chances get hobby shop other discount store has very little idea manual ability has vague idea what modeling about have never seen model air plane sense adult modelers consider models Most cannot spell aerodynam ics couldnt care less what have heard believe ultimate modeling have remote control plane Hardly know types airplane models can eventually explore type junior begin primary tenet teaching begin student pro gress elemental complex natural logical sequence Junior Flight does assumes junior has knowledge skills necessary compete contests Undoubt edly some juniors ready compe tition believe very small percentage contest place junior begin what AMA wants exception Delta Dart what has AMA really done start beginning develop program juniors What has hobby industry done kids RC out juniors because cost Control-line has fared fairly well because ready-to-fly plastic models 049 engines really work kits can built flown fair degree success Free flight has little going Most free flight kits scale models few exceptions should labeled builders previous experience Will fly built materials plans furnished kit some excellent models juniors try find hobby shop shelves kid couple bucks hand comes hobby shop takes pick what available has suc cess model chances going much greater meets failure happens too often first venture hobby also last Both Comet Midwest made series models beginners try find hobby shop What point few ideas What generally called junior prob lem may really senior problem dont think average kid under age 14 really capable building flying anything except elementary models Some course should encouraged average kid should have available him plans models meet needs models will have him gain success building flying point contests should between modeler model between modelers Trying meet specific tasks seems much realistic point trying better someones time can come later logical sequence learning building flying should determined made easily available juniors work juniors Delta Dart available can what happens after youve built Delta Dart would seem hand launched glider such Lunchbox Would good second model simple rubber model com plete full size plans other materials needed complete model make fly some point entire range model airplane types should made known remote control may ultimate type really junior problem AMA modelers say 6 Model Aviation SUPER MOUSE Class II Mouse Race has 17-in spanbeam mounted 049 engine Die-cut parts fully illustrated step-by-step plans Kit No 256 SUPER CHIPMUNK ARF injection-molded foam 10 19 en gines Wing span 46 Three channels En gine throttle elevator ailerons Four channels Engine throttle elevator ailerons rudder Kit No 126 want something about should something cer tainly enough talent available modelers willing give couple hours 12 15 nights year Try find want put Ed Whitten what doing Junior Flight down doing something feel can done Im sure understand what am talking about because efforts direction editor Junior American Modeler Much what use programs comes pages magazine extremely sorry see become Sport Modeler dropped completely May little push now something can get started Ken Simpson Ken Simpsons comments right can infer quite correctly that--f/after decades activ ity arLswers beginner question remain foggythe beginner problem must monumental Because suitable comment space possible because question important commentary will found months Openers Virtue its Own Reward would very poor workman could acknowledge work others examining current crop illustra tion MA September 1978 felt neces sary praise work Hank Clark have entertained superb cut aways ever since started present style familiar before always wondered until recently picked up magazine 40s think Air Trails saw pictures him Cub same issue MA also carried some excellent construction illustrations Mentor Van Hattum picture worth thousand words tis said case novice such illustrations worth perhaps 2000 Judging initial H drawings also appear ATTENTION Control Line Flyers Fox Cares About Fox Combat Special 1978 Nationals Wins Slow Combat Open 1-Dick Stubblefleld Fox 2-Larry Driscoll Fox 3-Geo Cleveland Fox Fast Combat Jr 1-Tom Fluker Fox 2-Mathis Fox 3-White Fox Fast Combat Sr 2-Bill Maywald Fox 3-Russell Crawford Fox Fast Combat Open 1-Phil Granderson Fox 2-Mike Taliman Fox 3-Bob Mears Fox 4-Karns Fox Congratulations Thanks 8306 TOWEON AVE POAT 806Th ARK 7300 PHONE 60l4UlU6 scramble forthe RC dollar manufacturers have passed control line flyers needs Fox last couple years have upgraded control line motors added new control line products invite inspection tanks control lines bell cranks control handles fuel bulbs fuel line wheels wheel collars other products catalog free asking beginner have sembled starter sets consisting motor mounting bolts fuel line tank bell crank elevator horn wheels wheel collar fuel filter extra plus control lines handle cups matched considerable price savings over buying separately suggest consider #81015 Fox 15 Baffle Starter Set Profile Models $3795 #81016 Fox 15 Schneurle Starter Set Pro file Models 5 motors pleasure oriented thought might like see competition oriented motors fared summers Nationals SEND FOR OUR FREE CATALOG Answer Thvo-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RF amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-Prodcts Inc 779 EKProducts . . ember 1978 7 MORE FIRST PLACE WINNERS AT THE 1977 NATIONALS THAN THE OTHER MAJOR MANUFACTURERS COMBINED IN FACT OVER THE PAST 10 YEARS MORE NATIONALS WINNERS HAVE USED REV-UP PROPS THAN ANY OTHER BRAND Rev-Up better 1 The efficient design con stant upgrading testing program 2 Better quality control better selection hard maple wood 3 The best finish completelyfuelproof New Improved 1918 SPECIAL PRO SERIES 2 FOR RCFREE FLtGHT CONTROL LINE DIAPITCHPRICE 5%3489 63489 733%4119 93 3%4 5e 129 8%77%139 945ee% 77%139 104597149 10eW ew149 10eEW159 114977% 7%7%8159 11eEW-lee 11%97159 12e179 125W179 1356239 1455279 1556349 iS4% 9449 175e599 1856999 W WIDE BLADE EW EXTRA WIDE SERIES 4008 FOR SPEED NG ADVANCED DESIGN NO 1IN PYLON RACING LEADING SPEED RECORD HOLDER OF ALL TIMES RC PYLON RACING DIAPITCHPRICE 53%4129 759149 7SN SN149 8%6% 9% 7 7%7%199 97 7% 7%199 CONTROL LINE SPEED& RACING DIA PITCHPRICE 4%9%129 4%55%129 6788%149 77%1O%11199 889199 89N 9%N189 91213229 N NARROW work Mr 1-lattum nice know JVH still active fin style has trademark long can recall fact memory serves right re member seeing Van Hattum representing Holland Old Eaton Bray Model drome England during late forties early 50s own up being influenced glider fuselage design several years simple yet aesthetically pleasing angular lines also signature Keep up excellent art worksnice Jim Newman Midwest Products Co Hobart IN Build em Light just received September MA enjoyed thoroughly rather startled see Harry Robinsons drawing Seversky subject next plastic display model kit also greatly enjoyed Openers several reasons First off description scale model flying gang Maryland site joy certainly captured spirit models flyers Second comments regarding fine performances Royall Moores Gee Bees other supposedly unflyable subjects astute think 100% beam regarding dif ficulties encountered RC modelers build brick-weight over-powered repro ductions Since am involved RC views strictly interested outside observer Morgan Hill Golden Age contest conducted week-end-beforelast provided beautiful opportunity study differences approach because lightweight regular size models heavy weights mammoths flown Conclusion big jobs appear realis tic air just because im pressive size because moder ate speed Some average-size models compared quite favorably because too featured light wing loadings moderate power contrast some small jobs roaring around course what looked like Mach 2 speeds nonenthusiasts crowd clearly perceived difference realism Granger Williams took first class Morgan Hill RC Gee Bee 7 has R-l about 70% completed look forward eagerly seeing action will accurate available reference material will permit no cheating devices modifications proportions Bill Hannan San Marcos CA Touchy Subject refer first two paragraphs Openers column page five Au gust 1978 best descrip tions present state Pattern yet written question doesnt writer wish take issue Pattern way Let masters experts elite well-heeled able go tour nament tournament let tuned pipe retract Webra- OPS- Rossi-powered specialized airplanes stay out Novice pattern Presently class farce Pattern going end up about popular Dooling-powered race cars cannot allow called state-ofthe-art its excessive price tag drive masses away likened wheat sugar refined point being valueless useful food Somewhere along line someone forgot RC planes still must con sidered expendable items cost does allow such majority look elsewhere recreation would like enter hobby simply stop before start Everyone seems agree new faces have appear event grow stay constant contest Pattern garners 90 contestants 1974 presently hard pressed get 30 would seem handwriting wall love pattern flying really fine people involved facet radio control models because love want Pattern continue grow Manufacturers well indi viduals alike will have work together find way put Novice back novice pattern Bill Northrop suggests valid alterna tive Give bonus points engines 40 curn less Clark Y airfoil no pipe no retracts shoulder high wing design less four channels Again refer column men tioned opening paragraph have stated clearly problem Now find answer Ben J Garrett Brownwood TX reason did wish take issue Pattern simple thought never occurred us seems us Novice Expert Master classes set up compensate variations piloting expertiseso people could enjoy competition airplane existed Which also means air plane evolves Perhaps really need equivalent Pattern Quickie 500 Pylon Slow Pattern just have CL Slow Combat Racing yet another official event Winglets Dave Joness AR-25 August 1978 Mod v might well leg up other models writing advertisers mention read about MA 8 Model Aviation THE LEADER IN COMPETITION PROPELLERS its class sure snazzy looking machine things out wingtips winglets theyre plain old downhome tip plates tip plates elevated status winglets requires have high-LID airfoil section proper toe-out angle Just making profile shape about like NASA winglets doesnt hack fact shape probab ly least important aspect design wonder statement captions stating winglets really improved performance really justi fied would require extensive testing model both winglets under identical conditions careful measurements performance Quite possibly done nothing article indicate Bob Meuser Oakland CA Jones Winglets dont wish get semantics bat tle Bob taking hard stand weak ground -let defined di minutive suffix attached nouns fore winglet small wing may call small wing winglet choose NASA-designed winglets nec essarily have have high L/D airfoil sections Sections may vary no camber high camber along span winglet along twist used match local flow along span winglet winglet can op timized flight condition com plicated task span winglet de termines its effect geometric aspect ratio Shape has little effect area determines fin/rudder size required overcome destabilizing influence Flight characteristics have such pronounced change between winglet off no measurements re quired However advocate winglets span can creased winglet shown plan second tried first area same span close uncontrol lable second paragraph page 28 August Model viat ion denotes other changes may tried design parameters used NASA winglets hardly appropriate sailplane models especially diminutive Reynolds numbers Remember winglet root chord 2-5/8 inches model regimen important single item increased performance winglet span possible small improvements caused proper camber twist cant good flight point very difficult determine dont feel advantageous design Dave Jones Torrance CA CLOCK NOEL TIMERSALL SIZE ENGINe MOUNTSPEACE PIPE MEIFFLEMSSYRINGE FUELERS SURGICAL TUBINGSPECIAL ENGINE MOUNTSCALUNET MUFFLERSPEN BLADDERS NEOPRENE TONINGTANK MOUNTSIIUFFLfT MUFFLERSFUEL TANK FILLER SCALE INSTRUMENT KITSSPEED PANSENGINE MANIFOLDSSTICK-ATOBE AIIA SAFETY PROP BITSB/C STEERABLE NOSE GEARMUFFLER EUTENS IONSENGINE COALS ENGINE TEST STARRU/C RING MOLD GOONSRACE CAR MUFFLERSFUEL SNOT OFF VALVE SLUM PLUG STUOTEGNYLON SCREWCHICKEN STICKSPROPELLEGS RATTEGY CUAAGERNYLON SPIINIERSRAZOR BLADESERGINE MT- GRILL 510 Peanut Scale Peanut Scale models rubber powered flying models scaled real dirraft Span strictly limited 13 may flown indoors outdoors Sterling Peanuts fun build fun fly Designed euperfs remark ably realistic appearance great flyers material repuired isis kit models eccept glue 5 dope paint addition need pliers straight pins hammer Iweezers single edge razor bladeflat building board Saran Wrap olmilor L Name AddressCtv...STate......2y December1978 9 U Shown below just sampling accessories make 4 ENGINE IISGNTS RAN FOLDS LI1U IUU TOr t paqe Illustrated cataloo refundable frqt order TATONE PRODUCTS CORP 1209 GENEVA AVENUE SAN FRANCISCO CA94 112 STERLING MODELS 0 ST PHILA PA 1913d mO Achier arwIaGie OrrOct oAOs asseRted t5 aAArIoeai charge handlIng anA shipping 1000 wniwun U 5 S 25 minimum OulElA US P Certog ot entire lirre ot airplane ConIrni tine model kitS 0 C scale anA Trainer OilS 001 moOd Un acsesorieS etC 500 encloSed Secrets 01 Modet Airplane Bonding inuluding design COnsiruCtiOn roeerng tinhshing treing adtushng suntrot systems ere 25C ens 1050 12 Senre, ConIel Lne Carrer Fining inciudinO pretiigtnin setOing sluntlng Carier rules reGaihtOrrS Carrie tiereg hints Control tin inslattatiun nstruntCns 2SC nosiosed NC Chenks 0515 U S monee 0005 OCOrPnCfhhceVtPd