gSport-Aerobalics EJRon VanPutte EVERYONE HAS in-flight emergencies cope Consequently airnow hut usually happen plane could saved damage newcomers fliers least able avoided hands experienced pilot often end up disaster novice month intend mention few tech niques use emergency situations offer some suggestions avoid first place Emergencies usually involve two common problems control loss engine power failure Unfortunately loss control sometimes catastrophic since pilot may able counter emergency procedures However best approach use first sign con trol loss raise transmitter high possible antenna vertical problem related lack system range approach will provide maximum signal available reception receiv er may permit flier regain con trol transmitter antenna vertical high possible effective radia tion pattern much better what achieved way us hold transmitter Some people create own problems pointing transmitter antenna directly airplane Most radio systems will glitch receiver moderate range pilot points transmitter directly Changing way transmitter held often eliminates out-of-control problem control airplane achieved technique airplane should land ed soon possible objective during landing approach keep air plane close possible transmitter avoid loss control close ground transmitter antenna radiation pattern worst usually perform land ing approach descending spiral around transmitter kill engine soon Im sure can get airplane back landing area Its good idea shut down engine because airplane may go out range transmitter gets near ground receiver may drive engine full throttle Once airplane safely ground should turned back toward trans mitter soon possible especially engine couldnt cut during landing approach because long straight landing roll could take airplane out range transmitter once watched flier struggle get sick airplane safely back ground have go high throttle take off snap roll back Continued page 86 July1977 23 icking batteries before fly can prevent emergency have in-air problems text gives hints recover aircraft Seen Toledo TopUnique airliner type original Gerald Allard actually sport/pattern ar craft mufflers Finished acrylic lacquer MiddleSuper Bipe Mk II foam floats won first Sport Biplane D G Prentick BottomNicely finished acrylic lacquer Bill Baslers Dirty Birdy displayed mirrors Toledo pictures Donald Condon GOOF PROOF TRIM SHEETS iron-on goof merely re-heat lift re-posi tion 5 x 36 19 red e ow ge aluminum eolive drab dayglow orange low yellow 00 9J COVERITE 2779 Philmont Ave Huntingdon Valley Pa 19006 receiver engine couldnt cut Dont attempt taxi back pit area raising transmitter point ing antenna straight up still cant regain control airplane can get momentary control engine control should cut back idle shut off out-of-control situation may caused engine vibration reducing engine speed cutting engine off may permit re acquiring control airplane airplane remains out control throttling back shutting off engine will slow airplane down make softer crash control reacquired throttling back airplane should landed immediately using procedures outlined earlier What about engine suddenly dies goes sour trees around flying site airplane should headed directly toward open area until certain landing can made before attempting perform form landing approach club flies abandoned runway lined trees fliers engine dies usually greeted chorus Head run vay Its good advice Sometimes may realize engine remains running throttled back after going sour Usually means too lean operated full throt tle may still able get suffi ciently reliable operation reduced throt ____________________________________ tle permit normal landing spots Giving handle slight pull may able recover airplane straight back model flies across emergency situation much top sections eight will help keep better procedure attempt prevent nose up situation occurring first beginning cloverleaf few place Aside making sure air steps straight back keeps ship tight just craft pushrods couplers devises horns start first loop Just remember servo arms other things step forward exit youre going have hold together airplane to drill some poor judge right sun- function properly good shape glasses would certainly show lack best thing pilot can perform tests class- - preventive maintenance receiver knowledgeable helper can real transmitter battery packs asset since its easy practice just servos George Myers has some good right patterns Remel Cooper usu- suggestions column Radio Technique ally get together early summer past issues Model viation Id several days constructive criticism like throw two cents worth based feel Cooper has best eyes personal experience business A receiver battery pack may have Vince Now youre World Chain- four cells short out internally pion what plans future might go undetected until airplane Les Ive already started flying 77 spirals ground due lack range model summer Ill concentrate older radio systems two cells drive FAI team selection contest still servos direction rehavent won Nats will keep shoot- maining two drive opposite ing direction Internats will direction easy tell cell becontinue top priorities comes shorted out because servo will One-third life has devoted run very slowly direction norobtaining what now have Im mally opposite direction newabout rust bust sag middle er radio systems four cells drive servos both directions loss cell difficult detect because servos run nearly fast both directions However receiver knows difference result significantly reduced effective range radio system 1974 Intruder equipped RC Sport/Van Putte continued page 23 runway Its also good idea get air plane quickly possible shut off retracts ready Nats Lake Charles week before leave crashed due shorted cell receiver battery pack Thats learned lesson check voltage capacity battery packs After flight check battery voltage expanded scale voltmeter puts load system simulate oper ation several good ones around under $25 its worthwhile investment also use battery capacity checker peri odically seek out cells whole packs beginning lose capacity also commercially available wide price range depends fancy want well heeled Another good investment own servo checker have radio system carefully slowly moving transmitter stick observing servo operation can detect symptoms bad gear teeth scratchy feedback potentiometers oxidized commutators servo motors Recently practicing outside loops end third loop released down elevator airplane continued outside loop Fortunately came its senses able per form emergency landing inci dent heart quit pounding carefully observed operation elevator servo able find four points servo would stop dead no matter what did transmitter stick Oxidation set commutator elevator servo motor caused motor go dead brushes con tacted oxidation Needless say replaced motor can save yourself lot grief carefully checking over whole airplane thought experiences might bring home point Good luck preventive maintenance month have another outstanding excerpt newsletter Jerry Adkins editor MRCA News up Ypsilanti Michigan published following gem have slightly edited Did Ever Compete Pattern Did ever have flooded 60 turn finger black pulp Did ever go blind flying pattern ship through sun Did ever discover chief pattern judge Polish guy patient ly listened ethnic jokes bar last night Did ever make perfect touch-down spot have nose gear fold Did eyer come home after placing high Nats make bloop er landing students Esquire Did ever lose four row Dirty Birdy take first Contender Did ever try clean plane after gearup landing wheat field Did ever fly round after driving night no sleep Did ever fail start engine within two minute time limit zero whole thing go back pit 86 Model Aviation NEW SPRING ACTION KWIK KLIPS IDEAL FOR PLANES. BOATS. CARS Its finally here! battery clip wont ever slip vibrate off LOCKSSpring action locks Kwik-Klip onto r-plug continous positive contact indestructable steel nylon parts Available battery wires best 150 battery wires 70C Theyet engine starting accessories No 1 51 battery wires Si 25 Patent ding 34 QUICK ASSEMBLY RO KWIK-LINK Ifl tried true spring steel Kwik-Link Ideal control linkage 2 No109 5C FRICTION BRAKE Complete 10 pc nose wheel brake linkage hook-up Features NEW case hardened steel brake drum other fine quality parts Requires very little engage NO 157$295 WheIotckded 1/2 KWIKKLIPS engines 020 074 No 148 battery wires 65pressure oBELPp0 No 149withbatterywires $115 Shown actual size 048m PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA area start flip Did ever catch yourself talking plane day before contest Did ever have bee land nose youre setting up three rolls Did ever go flight line get go-ahead judges suddenly realize transmitter still impound Did ever find out No vice edged out flew C-Expert four years ago Did ever come landing foot over spot discover gear up Did ever find out beautiful pattern ship just completed weighs ten pounds minus fuel have never done things go ahead jump pattern competition both feet can go crazy just like did response letters received encouraging publish proper tech niques pattern maneuvers next month intend include personal observations comments AMA District III vice president world-class pattern competi tor Don Lowe Ron Van Putte 12 Connie Dr Shallmar FL 32579 Chipmunk/N elitz continued page 14 hardener Insignia81O3 red #8101 white blue 1 part #8104 black 3 parts #8 105 royal blue insignia lettering masked adhesive shelf paper painted small lettering Letterset painted over clear epoxy fuel proofing Hying Chipmunk easy fly anyone has mastered basics RC flying Although large model no way underpowered find Webra Speed normally fly between ttle using full power maneuvers takeoffs Longer realistic takeoffs can accomplished use ttle However cause aerodynamically clean aircraft will fly surprisingly fast speed its size using full power Mine weighed just under 11 pounds conform FAI weight rule gives wing loading just under 24 oz may make better windy weather aircraft weighing pound af fecting its flight characteristics Thanks its wide wheel base long tail moment wont find much difficulty keeping model straight during its takeoff land ing roles spite being tail drag ger found about 1/4 right-rudder trim required seems take care slight left swing takeoff same result could perhaps created few degrees right side-thrust mo tor have actually tried because felt would detract scale outline cowling find best realistic take offs require hold slight amount up elevator prevents tendency tail rise too high takeoff tail will still rise its own further flying speed has attained will lift off its own usual jerk common models rotation Once airborne very stable built true will fly hands off almost indefi nitely attractive feature just slow can flown still have very good aileron response stalls gently will snap-roll stall yet will spin time called recover immediately upon release rudder Virtually no elevator trim change takes place flying inverted Chipmunk few fullscale aircraft does have large elevator trim change upon extension flaps Im too sure model will respond use flap-eleva tor trim tab arrangements shown tab operating defy anyone notice flaps extended re tracted observing flight path model just isnt trim change elevator flaps deployed cidentally tab operates reverse operation prototype model flaps down trim tab down full-size aircraft trim tab would move elevator modelbecause July1977 87 r
Edition: Model Aviation - 1977/07
Page Numbers: 23, 86, 87
gSport-Aerobalics EJRon VanPutte EVERYONE HAS in-flight emergencies cope Consequently airnow hut usually happen plane could saved damage newcomers fliers least able avoided hands experienced pilot often end up disaster novice month intend mention few tech niques use emergency situations offer some suggestions avoid first place Emergencies usually involve two common problems control loss engine power failure Unfortunately loss control sometimes catastrophic since pilot may able counter emergency procedures However best approach use first sign con trol loss raise transmitter high possible antenna vertical problem related lack system range approach will provide maximum signal available reception receiv er may permit flier regain con trol transmitter antenna vertical high possible effective radia tion pattern much better what achieved way us hold transmitter Some people create own problems pointing transmitter antenna directly airplane Most radio systems will glitch receiver moderate range pilot points transmitter directly Changing way transmitter held often eliminates out-of-control problem control airplane achieved technique airplane should land ed soon possible objective during landing approach keep air plane close possible transmitter avoid loss control close ground transmitter antenna radiation pattern worst usually perform land ing approach descending spiral around transmitter kill engine soon Im sure can get airplane back landing area Its good idea shut down engine because airplane may go out range transmitter gets near ground receiver may drive engine full throttle Once airplane safely ground should turned back toward trans mitter soon possible especially engine couldnt cut during landing approach because long straight landing roll could take airplane out range transmitter once watched flier struggle get sick airplane safely back ground have go high throttle take off snap roll back Continued page 86 July1977 23 icking batteries before fly can prevent emergency have in-air problems text gives hints recover aircraft Seen Toledo TopUnique airliner type original Gerald Allard actually sport/pattern ar craft mufflers Finished acrylic lacquer MiddleSuper Bipe Mk II foam floats won first Sport Biplane D G Prentick BottomNicely finished acrylic lacquer Bill Baslers Dirty Birdy displayed mirrors Toledo pictures Donald Condon GOOF PROOF TRIM SHEETS iron-on goof merely re-heat lift re-posi tion 5 x 36 19 red e ow ge aluminum eolive drab dayglow orange low yellow 00 9J COVERITE 2779 Philmont Ave Huntingdon Valley Pa 19006 receiver engine couldnt cut Dont attempt taxi back pit area raising transmitter point ing antenna straight up still cant regain control airplane can get momentary control engine control should cut back idle shut off out-of-control situation may caused engine vibration reducing engine speed cutting engine off may permit re acquiring control airplane airplane remains out control throttling back shutting off engine will slow airplane down make softer crash control reacquired throttling back airplane should landed immediately using procedures outlined earlier What about engine suddenly dies goes sour trees around flying site airplane should headed directly toward open area until certain landing can made before attempting perform form landing approach club flies abandoned runway lined trees fliers engine dies usually greeted chorus Head run vay Its good advice Sometimes may realize engine remains running throttled back after going sour Usually means too lean operated full throt tle may still able get suffi ciently reliable operation reduced throt ____________________________________ tle permit normal landing spots Giving handle slight pull may able recover airplane straight back model flies across emergency situation much top sections eight will help keep better procedure attempt prevent nose up situation occurring first beginning cloverleaf few place Aside making sure air steps straight back keeps ship tight just craft pushrods couplers devises horns start first loop Just remember servo arms other things step forward exit youre going have hold together airplane to drill some poor judge right sun- function properly good shape glasses would certainly show lack best thing pilot can perform tests class- - preventive maintenance receiver knowledgeable helper can real transmitter battery packs asset since its easy practice just servos George Myers has some good right patterns Remel Cooper usu- suggestions column Radio Technique ally get together early summer past issues Model viation Id several days constructive criticism like throw two cents worth based feel Cooper has best eyes personal experience business A receiver battery pack may have Vince Now youre World Chain- four cells short out internally pion what plans future might go undetected until airplane Les Ive already started flying 77 spirals ground due lack range model summer Ill concentrate older radio systems two cells drive FAI team selection contest still servos direction rehavent won Nats will keep shoot- maining two drive opposite ing direction Internats will direction easy tell cell becontinue top priorities comes shorted out because servo will One-third life has devoted run very slowly direction norobtaining what now have Im mally opposite direction newabout rust bust sag middle er radio systems four cells drive servos both directions loss cell difficult detect because servos run nearly fast both directions However receiver knows difference result significantly reduced effective range radio system 1974 Intruder equipped RC Sport/Van Putte continued page 23 runway Its also good idea get air plane quickly possible shut off retracts ready Nats Lake Charles week before leave crashed due shorted cell receiver battery pack Thats learned lesson check voltage capacity battery packs After flight check battery voltage expanded scale voltmeter puts load system simulate oper ation several good ones around under $25 its worthwhile investment also use battery capacity checker peri odically seek out cells whole packs beginning lose capacity also commercially available wide price range depends fancy want well heeled Another good investment own servo checker have radio system carefully slowly moving transmitter stick observing servo operation can detect symptoms bad gear teeth scratchy feedback potentiometers oxidized commutators servo motors Recently practicing outside loops end third loop released down elevator airplane continued outside loop Fortunately came its senses able per form emergency landing inci dent heart quit pounding carefully observed operation elevator servo able find four points servo would stop dead no matter what did transmitter stick Oxidation set commutator elevator servo motor caused motor go dead brushes con tacted oxidation Needless say replaced motor can save yourself lot grief carefully checking over whole airplane thought experiences might bring home point Good luck preventive maintenance month have another outstanding excerpt newsletter Jerry Adkins editor MRCA News up Ypsilanti Michigan published following gem have slightly edited Did Ever Compete Pattern Did ever have flooded 60 turn finger black pulp Did ever go blind flying pattern ship through sun Did ever discover chief pattern judge Polish guy patient ly listened ethnic jokes bar last night Did ever make perfect touch-down spot have nose gear fold Did eyer come home after placing high Nats make bloop er landing students Esquire Did ever lose four row Dirty Birdy take first Contender Did ever try clean plane after gearup landing wheat field Did ever fly round after driving night no sleep Did ever fail start engine within two minute time limit zero whole thing go back pit 86 Model Aviation NEW SPRING ACTION KWIK KLIPS IDEAL FOR PLANES. BOATS. CARS Its finally here! battery clip wont ever slip vibrate off LOCKSSpring action locks Kwik-Klip onto r-plug continous positive contact indestructable steel nylon parts Available battery wires best 150 battery wires 70C Theyet engine starting accessories No 1 51 battery wires Si 25 Patent ding 34 QUICK ASSEMBLY RO KWIK-LINK Ifl tried true spring steel Kwik-Link Ideal control linkage 2 No109 5C FRICTION BRAKE Complete 10 pc nose wheel brake linkage hook-up Features NEW case hardened steel brake drum other fine quality parts Requires very little engage NO 157$295 WheIotckded 1/2 KWIKKLIPS engines 020 074 No 148 battery wires 65pressure oBELPp0 No 149withbatterywires $115 Shown actual size 048m PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA area start flip Did ever catch yourself talking plane day before contest Did ever have bee land nose youre setting up three rolls Did ever go flight line get go-ahead judges suddenly realize transmitter still impound Did ever find out No vice edged out flew C-Expert four years ago Did ever come landing foot over spot discover gear up Did ever find out beautiful pattern ship just completed weighs ten pounds minus fuel have never done things go ahead jump pattern competition both feet can go crazy just like did response letters received encouraging publish proper tech niques pattern maneuvers next month intend include personal observations comments AMA District III vice president world-class pattern competi tor Don Lowe Ron Van Putte 12 Connie Dr Shallmar FL 32579 Chipmunk/N elitz continued page 14 hardener Insignia81O3 red #8101 white blue 1 part #8104 black 3 parts #8 105 royal blue insignia lettering masked adhesive shelf paper painted small lettering Letterset painted over clear epoxy fuel proofing Hying Chipmunk easy fly anyone has mastered basics RC flying Although large model no way underpowered find Webra Speed normally fly between ttle using full power maneuvers takeoffs Longer realistic takeoffs can accomplished use ttle However cause aerodynamically clean aircraft will fly surprisingly fast speed its size using full power Mine weighed just under 11 pounds conform FAI weight rule gives wing loading just under 24 oz may make better windy weather aircraft weighing pound af fecting its flight characteristics Thanks its wide wheel base long tail moment wont find much difficulty keeping model straight during its takeoff land ing roles spite being tail drag ger found about 1/4 right-rudder trim required seems take care slight left swing takeoff same result could perhaps created few degrees right side-thrust mo tor have actually tried because felt would detract scale outline cowling find best realistic take offs require hold slight amount up elevator prevents tendency tail rise too high takeoff tail will still rise its own further flying speed has attained will lift off its own usual jerk common models rotation Once airborne very stable built true will fly hands off almost indefi nitely attractive feature just slow can flown still have very good aileron response stalls gently will snap-roll stall yet will spin time called recover immediately upon release rudder Virtually no elevator trim change takes place flying inverted Chipmunk few fullscale aircraft does have large elevator trim change upon extension flaps Im too sure model will respond use flap-eleva tor trim tab arrangements shown tab operating defy anyone notice flaps extended re tracted observing flight path model just isnt trim change elevator flaps deployed cidentally tab operates reverse operation prototype model flaps down trim tab down full-size aircraft trim tab would move elevator modelbecause July1977 87 r
Edition: Model Aviation - 1977/07
Page Numbers: 23, 86, 87
gSport-Aerobalics EJRon VanPutte EVERYONE HAS in-flight emergencies cope Consequently airnow hut usually happen plane could saved damage newcomers fliers least able avoided hands experienced pilot often end up disaster novice month intend mention few tech niques use emergency situations offer some suggestions avoid first place Emergencies usually involve two common problems control loss engine power failure Unfortunately loss control sometimes catastrophic since pilot may able counter emergency procedures However best approach use first sign con trol loss raise transmitter high possible antenna vertical problem related lack system range approach will provide maximum signal available reception receiv er may permit flier regain con trol transmitter antenna vertical high possible effective radia tion pattern much better what achieved way us hold transmitter Some people create own problems pointing transmitter antenna directly airplane Most radio systems will glitch receiver moderate range pilot points transmitter directly Changing way transmitter held often eliminates out-of-control problem control airplane achieved technique airplane should land ed soon possible objective during landing approach keep air plane close possible transmitter avoid loss control close ground transmitter antenna radiation pattern worst usually perform land ing approach descending spiral around transmitter kill engine soon Im sure can get airplane back landing area Its good idea shut down engine because airplane may go out range transmitter gets near ground receiver may drive engine full throttle Once airplane safely ground should turned back toward trans mitter soon possible especially engine couldnt cut during landing approach because long straight landing roll could take airplane out range transmitter once watched flier struggle get sick airplane safely back ground have go high throttle take off snap roll back Continued page 86 July1977 23 icking batteries before fly can prevent emergency have in-air problems text gives hints recover aircraft Seen Toledo TopUnique airliner type original Gerald Allard actually sport/pattern ar craft mufflers Finished acrylic lacquer MiddleSuper Bipe Mk II foam floats won first Sport Biplane D G Prentick BottomNicely finished acrylic lacquer Bill Baslers Dirty Birdy displayed mirrors Toledo pictures Donald Condon GOOF PROOF TRIM SHEETS iron-on goof merely re-heat lift re-posi tion 5 x 36 19 red e ow ge aluminum eolive drab dayglow orange low yellow 00 9J COVERITE 2779 Philmont Ave Huntingdon Valley Pa 19006 receiver engine couldnt cut Dont attempt taxi back pit area raising transmitter point ing antenna straight up still cant regain control airplane can get momentary control engine control should cut back idle shut off out-of-control situation may caused engine vibration reducing engine speed cutting engine off may permit re acquiring control airplane airplane remains out control throttling back shutting off engine will slow airplane down make softer crash control reacquired throttling back airplane should landed immediately using procedures outlined earlier What about engine suddenly dies goes sour trees around flying site airplane should headed directly toward open area until certain landing can made before attempting perform form landing approach club flies abandoned runway lined trees fliers engine dies usually greeted chorus Head run vay Its good advice Sometimes may realize engine remains running throttled back after going sour Usually means too lean operated full throt tle may still able get suffi ciently reliable operation reduced throt ____________________________________ tle permit normal landing spots Giving handle slight pull may able recover airplane straight back model flies across emergency situation much top sections eight will help keep better procedure attempt prevent nose up situation occurring first beginning cloverleaf few place Aside making sure air steps straight back keeps ship tight just craft pushrods couplers devises horns start first loop Just remember servo arms other things step forward exit youre going have hold together airplane to drill some poor judge right sun- function properly good shape glasses would certainly show lack best thing pilot can perform tests class- - preventive maintenance receiver knowledgeable helper can real transmitter battery packs asset since its easy practice just servos George Myers has some good right patterns Remel Cooper usu- suggestions column Radio Technique ally get together early summer past issues Model viation Id several days constructive criticism like throw two cents worth based feel Cooper has best eyes personal experience business A receiver battery pack may have Vince Now youre World Chain- four cells short out internally pion what plans future might go undetected until airplane Les Ive already started flying 77 spirals ground due lack range model summer Ill concentrate older radio systems two cells drive FAI team selection contest still servos direction rehavent won Nats will keep shoot- maining two drive opposite ing direction Internats will direction easy tell cell becontinue top priorities comes shorted out because servo will One-third life has devoted run very slowly direction norobtaining what now have Im mally opposite direction newabout rust bust sag middle er radio systems four cells drive servos both directions loss cell difficult detect because servos run nearly fast both directions However receiver knows difference result significantly reduced effective range radio system 1974 Intruder equipped RC Sport/Van Putte continued page 23 runway Its also good idea get air plane quickly possible shut off retracts ready Nats Lake Charles week before leave crashed due shorted cell receiver battery pack Thats learned lesson check voltage capacity battery packs After flight check battery voltage expanded scale voltmeter puts load system simulate oper ation several good ones around under $25 its worthwhile investment also use battery capacity checker peri odically seek out cells whole packs beginning lose capacity also commercially available wide price range depends fancy want well heeled Another good investment own servo checker have radio system carefully slowly moving transmitter stick observing servo operation can detect symptoms bad gear teeth scratchy feedback potentiometers oxidized commutators servo motors Recently practicing outside loops end third loop released down elevator airplane continued outside loop Fortunately came its senses able per form emergency landing inci dent heart quit pounding carefully observed operation elevator servo able find four points servo would stop dead no matter what did transmitter stick Oxidation set commutator elevator servo motor caused motor go dead brushes con tacted oxidation Needless say replaced motor can save yourself lot grief carefully checking over whole airplane thought experiences might bring home point Good luck preventive maintenance month have another outstanding excerpt newsletter Jerry Adkins editor MRCA News up Ypsilanti Michigan published following gem have slightly edited Did Ever Compete Pattern Did ever have flooded 60 turn finger black pulp Did ever go blind flying pattern ship through sun Did ever discover chief pattern judge Polish guy patient ly listened ethnic jokes bar last night Did ever make perfect touch-down spot have nose gear fold Did eyer come home after placing high Nats make bloop er landing students Esquire Did ever lose four row Dirty Birdy take first Contender Did ever try clean plane after gearup landing wheat field Did ever fly round after driving night no sleep Did ever fail start engine within two minute time limit zero whole thing go back pit 86 Model Aviation NEW SPRING ACTION KWIK KLIPS IDEAL FOR PLANES. BOATS. CARS Its finally here! battery clip wont ever slip vibrate off LOCKSSpring action locks Kwik-Klip onto r-plug continous positive contact indestructable steel nylon parts Available battery wires best 150 battery wires 70C Theyet engine starting accessories No 1 51 battery wires Si 25 Patent ding 34 QUICK ASSEMBLY RO KWIK-LINK Ifl tried true spring steel Kwik-Link Ideal control linkage 2 No109 5C FRICTION BRAKE Complete 10 pc nose wheel brake linkage hook-up Features NEW case hardened steel brake drum other fine quality parts Requires very little engage NO 157$295 WheIotckded 1/2 KWIKKLIPS engines 020 074 No 148 battery wires 65pressure oBELPp0 No 149withbatterywires $115 Shown actual size 048m PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA area start flip Did ever catch yourself talking plane day before contest Did ever have bee land nose youre setting up three rolls Did ever go flight line get go-ahead judges suddenly realize transmitter still impound Did ever find out No vice edged out flew C-Expert four years ago Did ever come landing foot over spot discover gear up Did ever find out beautiful pattern ship just completed weighs ten pounds minus fuel have never done things go ahead jump pattern competition both feet can go crazy just like did response letters received encouraging publish proper tech niques pattern maneuvers next month intend include personal observations comments AMA District III vice president world-class pattern competi tor Don Lowe Ron Van Putte 12 Connie Dr Shallmar FL 32579 Chipmunk/N elitz continued page 14 hardener Insignia81O3 red #8101 white blue 1 part #8104 black 3 parts #8 105 royal blue insignia lettering masked adhesive shelf paper painted small lettering Letterset painted over clear epoxy fuel proofing Hying Chipmunk easy fly anyone has mastered basics RC flying Although large model no way underpowered find Webra Speed normally fly between ttle using full power maneuvers takeoffs Longer realistic takeoffs can accomplished use ttle However cause aerodynamically clean aircraft will fly surprisingly fast speed its size using full power Mine weighed just under 11 pounds conform FAI weight rule gives wing loading just under 24 oz may make better windy weather aircraft weighing pound af fecting its flight characteristics Thanks its wide wheel base long tail moment wont find much difficulty keeping model straight during its takeoff land ing roles spite being tail drag ger found about 1/4 right-rudder trim required seems take care slight left swing takeoff same result could perhaps created few degrees right side-thrust mo tor have actually tried because felt would detract scale outline cowling find best realistic take offs require hold slight amount up elevator prevents tendency tail rise too high takeoff tail will still rise its own further flying speed has attained will lift off its own usual jerk common models rotation Once airborne very stable built true will fly hands off almost indefi nitely attractive feature just slow can flown still have very good aileron response stalls gently will snap-roll stall yet will spin time called recover immediately upon release rudder Virtually no elevator trim change takes place flying inverted Chipmunk few fullscale aircraft does have large elevator trim change upon extension flaps Im too sure model will respond use flap-eleva tor trim tab arrangements shown tab operating defy anyone notice flaps extended re tracted observing flight path model just isnt trim change elevator flaps deployed cidentally tab operates reverse operation prototype model flaps down trim tab down full-size aircraft trim tab would move elevator modelbecause July1977 87 r