Hanno Prettner: Ambassador For Aeromodeling

ig picture EZ Sportsman 40 kltted Pilot Above Sportsman aloft Hanno has attempted floatplane endurance record Han no Prettner Ambassador Aeromodeling PART ONE two-part article April 1991 Model Aviation traced Hanno Prettners rise seven-year-old fell instantly love modeling professional RC Aerobatics flier virtu ally invincible World Champion today Hannos bold experiments model de sign hugely successful kits en172 Model Aviation nanno rreuner witn wiTe LnrIsTeI ana Tour-year-ola lianno jr theme park Austria Yes thats replica United States White House front Ilanno lucky have loving supportive family L R Hanno wife Christel father Hans Hanno Jr drives go-car gines also discussed concluding segment focuses Hanno Prettner ambassador sport aeromodeling As fewand pos sibly onlyprofessional RC Aerobatics modelers world Hanno divides ef forts between European international competition demonstration flying hes crisscrossing globe take part activities Hanno spends much time introducing modeling youth native Austria An eight-time winner Las Vegas Tournament Champions six-time F3A World Champion Hanno rare com bination virtuosity modesty Always open questions hes approachable level headed friendly everything good ambassador should Hanno has extremely lucky hav ing loving supportive family throughout 39 years father Hans encouraged him build first Free Flight planeand shared excitement seeing fly Fa ther son have modeling together ever since Hans serving helper competitions Its impossible imagine Hanno flight line Hans Hannos loving mother Adi wife Christel have equally generous support Prettner household Kiagenfurt Austria organized around Hannos rigorous schedule frequent tra vels Four-year-old Hanno Jr way already showing precocious skills driv ing RC cars Hanno totally committed goal bringing young people hobby support Austrias largest news paper organized competition building flying simple chuck Glider newspaper donated double-page spreads promotional purposes children told enter competition build trim fly model Agegroup categories ranged six eight years through thirteen fifteen years town alone over thousand Glider kits given away 250 built contest Major model companies cosponsored competition Among fabulous prizes nated top three entries age group Graupner JR radios en gines kits accessories no went away empty-handed awarded prize received certificate participation indicating flown successfully contest second program Hanno organized sponsored Raiffeisen National Bank uses mascot called Sumsi-bee catch childrens interest Hannos large flying model Sumsi-bee popular sight fetes sports meetings other events showers delighted youngsters parachute-borne trinkets sweets Some modelers make good competition pi lots others excel demonstration flying Few manage combine both skill Continued page 175 Top picture Sumal-bee flying mascot Raiffelsen National Bank-sponsored program organizea oy nanno io encourage childrens terest modeling Left Hanno group Austrian children seem good terms Bee No wonder showers parachute-borne trinkets sweets fetes sports events etc Right Hans left Hanno flying Bee latter designed May1991 173 Prettner family home Kiagenfurt Aus- splendid castle Burg Hochosterwltz tria author stayed guest high Austrian hills site Hannos first contest win age 13 Contes tants launched Gliders castle grounds attempted 10-minute flight View window Hanno Christeis Kiagenfurt home includes guest houseand course trophy room Above left Toffee Bomber adds excitement Raiffeisen National Bank program Hans left Hanno ready flight village fete Above right Hans looking left Hanno gets enthusiastic kiss fete Beiow left Bombs toffee awayl fun planes put children friendly terms aeromodeling Right Children scramble parachute-borne trinkets dropped Sumal-bee 4 -4 I panache Hanno Prettner demonstration flying pressures no less intense different na ture encountered competition youre advertised best world audience has high expecta tions Hannos sponsors too expect him show products best possible light Hannos exhibition flying draws huge crowds often thousands strong challenge please both knowledge able modelers casual spectatorsto demonstrate Precision Aerobatics its best yet still entertaining Its delicate bal ancing act way Hann keeps audience inter ested adding unique maneuvers Aerobatics menu among Hanno Screw Helicopter Spin Horizontal Lomce yak Knife-edge Loop appro priate full-size airplanes lack power-to-weight ratio necessary perform maneuvers beginning gain acceptance specialized competitions such Tournament Champions Whether fellow competitors can suc cessfully execute Hannos advanced maneu vers another matter fail wont want information hardware As anyone has chatted him model exhibitions knows Hanno always ready share knowledge experience faithful copies designs com mercially available EZ series Pilot kits should noted however Hanno usually increases engine size Close-up Raffeisen National Bank logo maximum display performance Hannos specially modified OS engine also available modeler Hanno Prettner Special long-stroke two-stroke 60 will perform exactly like uses once bright idea writing piece about secrets engine selection prepa ration run-in practiced mas ter After talking Hanno realized theres essentially nothing shareno special selection no magic fuel ingredient no stripping reworking engine Continued page 177 May1991 175 Toffee Bomber group other air craft flown festival Hans stands rear left Hanno thIrd left gentle man holding bomber unidentified word theres no mystique using Hanno Special merely common sense oper ation Hanno uses standard JR Propo radio multimemory function computer ized transmitter really comes its own hes operating variety display models simultaneously During visit home Klagenfurt Hanno flew about eight different models same trans mitter simply calling up required set ting plane making minor adjust ments trim necessary too can fly like Hanno Okay its quite simple aptitude ded ication will succeed can take far Nevertheless Hanno s special maneuvers combine maximum risk high de gree skill Also since airplane different supposedly same precisely know models responses conditions atti tudes successful youll Any structions Hanno fly spe cific maneuver would have limited ap plication particular model however few essential re Quirements Hannos special maneuvers call overpowered model short moment arm rearward center-of-gravity large control thows Obviously such airplane will verge instabil ity will need treated great re spect Beyond success depends per fect timing precise control surface deflec tions total dedication practice few examples knife-edge loop de mands good power reserves deep fuse lagethe latter provide lift-off fu selage wings vertical After re ducing power over top must crease again before reaching bottom lift fuselage fin rudder will take model around lower arc knife-edge being attempted first time its interesting see whether rudder cables strong enough whether pilot will keep bottle Performing creditable flat circle re quires maximum power availablethe greater power smaller radius circle Because model essentially pointed direction traveling other much propeller thrust lost drag radically increased Hence aile ron elevator rudder control move ments must perfectly coordinated model shows tendency climb full rudder applied can counteracted opposite aileron down elevator As Aerobatics aficionados know thats combination control movements used negative flick roll entry Practice high slightly overcontrol close Continued page 193 May1991 177 Hannos stable Aerobatics exhibition craft home Kiagenfurt Austria Focke Wuif 190 fiight Hanno pro ficient demonstration flying competition reputation best world attracts huge crowds lineup demonstration craft Front rear FW-190 Supra-Star Extra 230 keep big crowds interested Hanno invents special maneuvers display routines Hannos car looks like traveling blilboard world Aerobatics its support industry discovered receiver chan nels controlling servos would snap full direction about 60 seconds after system turned After test ing transmitter receiver separately isolate problem discovered BEC putting out 10 VDC Most Electric fliers seem hate BECs can see shorted MOSFET cost receiver two servos gyro say nothing speed controller first cause of problems replaced Airtronics receiver JR NER-527X ruined Futaba 5-33 ser vos JR NER-321s NER-527X re ceiver part JRs 1991 upgrade 1982 Circus Apollo helicopter radio ABC&W single-conversion receiver per forms well some 1991 dual-conversion receivers 21M does bother NER-527X wasnt listed Model Aviation got Ive told soon will JR NER-527X receiver about 3A shorter Airtronics 92765 re ceiver After plug servo pigtails end JR case Airtronics uses side-mount dont see much difference length installation point Im making plenty room under Whisper canopy 1991 re ceiver use sent back Kalt controller stalled non-BEC power controller separate 5-cell SR225 mAh flight battery weight increase about 25 ounces Whisper lifts easily sea level setup no worry about BEC fail ures about someone getting hurt should lose radio control before can shut off power rotor system servos now rated about 30 in-oz rather 16 in-oz recommended NER-305 servos fifth cell may unnecessary anything gyro Ill decide after some test flying Kalt went lot effort minimize weight Whisper should reluc tant add u-I-- SINCE 1936 Bill Etfinger * says Only Plane PattetnOC Setn give assoted design went have selected best classic desisns time yeu te cheese fom pattetes pert Steen impettant exclusive feature Curtlss aeHAWK~ PlC Add wingepen ength 2268 sq wieg area Fee 13 23 clo engines annel RJ 6c0514 6 Curtlss FALCON O-l8/A3 114 wingspan ength 3160 sq wing aeca 23 te 36 clo engines annel Sic 6c0513 gOne-Th dS Pp TI-Pae PA22 pa360 Scale Piper Cub 1-3 116 wingspan 60 length wine aneOnh 65 266655 20- 3Oo 14 engInes 6c35-2. 62695 THE SUPERIOR GLOW GO FAST FLYERS ARE BA CK II Puts sting engine Unique flat-wound spiral coil element high temperature glass-to-metal seal add up tester ignition increased RPM 1 12A GloBes plugs designed exclusivelyfor 0491051 Cox engines Ask new GB-5RX Speed Plug GB-SR Racing Plug GB-5P Sport Plug local dealer today unavailable ocally write call Twinn-K collect tor pricing delivery information FREE GloBes Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 Hanno/Boddington Continued page 173 ground have about tenth sec ond avoid disaster Never tempt exhibition fly special maneu vers until have perfected beyond chance mishap Hanno obviously enjoys modeling pride takes doing well spurs further accomplishments calculated further career num ber Aerobatics ace An experimental sort has built worlds smallest RC powered delta-winged model attempted floatplane endurance record flown Toffee Bomber village fetes Hannos collection RC models eclectic Ive seen Beyond main stay Aerobatics planes has Gliders nearly type fun model imaginable seaplanes Scale monoplanes biplanes delta-wings Minimodels maximodels anti-this anti-that brigades catholic Hanno tastes theyd have lot less time complain criticize Hanno has no immediate plans retire contest scene day comes its safe predict hell wel come extra time designing building flying today Hanno never loses sight personal satisfactions mod eling can bring complent neromodeler Hanno Prett ner secure position hobbys influential ambassador LI Quarter Scale WW 5010 wins span sq wing atne 76 22 engines ecos7 g249h SPAD C-XIII 76/ span 0 sq wing atna 13 31 engines capable flyat ceptrttes imagination cosg 5 FOKKER DR-i TRIPLANE 72 wing span sq wing eee 76 150 engines ecoso g34g5 SOPWITH CAMEL F1 84 wing span 2100 sq wing area t 1 lbs wlo 65 wesd ft helso constructien ove 60 sq ft dtewings scos11 62465 Fokker D-VII 66 wiogspao sq wieg etna 00-20 v14 engine h bs 6COSh 6 Letters Editor Continued page 8 Mr ODonnell wants see deck full British Corsairs can check out British Aircraft WW II John Frayn published Stein Day can also read about Great Book World War II Airplanes Bonanza Publishers Joshua Teague Stowe VT little Prime Cut photo Prime Cut featured September 1989 issue blew up plans magazine Xerox machine wingspan 57 constructed balsa foam wings fuselage decks performs aerobatics ease although beginners airplane Chris Chapman Lexington KY WACO D 1/4 Scale 1930s Commercial & Military Export 66 wingspan wing atee length bs C ch Engine glee i 2-23 kY Aitfnil Section a-Plywood omooable enginoonite ShockMocntnd Lending Gnat IRcOSlOl 62466 IFibergiaso cowl Wheel Pants & Felting Aveileblel FcIlsiae piano cnn last opencockpit Wacos ends beactitul bi plane sewielliptical wingo Piano show both military ocmmeroial cersionn elti hetinga, Feonding Mereher AMA NPF5 Hall Fewer Prices tin Icr ccmplotn plens sch assemuly ft detoiled pans lists PLPAOE ADD 6366 ter shipping wailing tobel Nec 1961 Plan Snts hr octrure otondab n cv hey s Ode WE TECHNICAL SERVICES Rt ~ FL 32459 May1991 193 I

ig picture EZ Sportsman 40 kltted Pilot Above Sportsman aloft Hanno has attempted floatplane endurance record Han no Prettner Ambassador Aeromodeling PART ONE two-part article April 1991 Model Aviation traced Hanno Prettners rise seven-year-old fell instantly love modeling professional RC Aerobatics flier virtu ally invincible World Champion today Hannos bold experiments model de sign hugely successful kits en172 Model Aviation nanno rreuner witn wiTe LnrIsTeI ana Tour-year-ola lianno jr theme park Austria Yes thats replica United States White House front Ilanno lucky have loving supportive family L R Hanno wife Christel father Hans Hanno Jr drives go-car gines also discussed concluding segment focuses Hanno Prettner ambassador sport aeromodeling As fewand pos sibly onlyprofessional RC Aerobatics modelers world Hanno divides ef forts between European international competition demonstration flying hes crisscrossing globe take part activities Hanno spends much time introducing modeling youth native Austria An eight-time winner Las Vegas Tournament Champions six-time F3A World Champion Hanno rare com bination virtuosity modesty Always open questions hes approachable level headed friendly everything good ambassador should Hanno has extremely lucky hav ing loving supportive family throughout 39 years father Hans encouraged him build first Free Flight planeand shared excitement seeing fly Fa ther son have modeling together ever since Hans serving helper competitions Its impossible imagine Hanno flight line Hans Hannos loving mother Adi wife Christel have equally generous support Prettner household Kiagenfurt Austria organized around Hannos rigorous schedule frequent tra vels Four-year-old Hanno Jr way already showing precocious skills driv ing RC cars Hanno totally committed goal bringing young people hobby support Austrias largest news paper organized competition building flying simple chuck Glider newspaper donated double-page spreads promotional purposes children told enter competition build trim fly model Agegroup categories ranged six eight years through thirteen fifteen years town alone over thousand Glider kits given away 250 built contest Major model companies cosponsored competition Among fabulous prizes nated top three entries age group Graupner JR radios en gines kits accessories no went away empty-handed awarded prize received certificate participation indicating flown successfully contest second program Hanno organized sponsored Raiffeisen National Bank uses mascot called Sumsi-bee catch childrens interest Hannos large flying model Sumsi-bee popular sight fetes sports meetings other events showers delighted youngsters parachute-borne trinkets sweets Some modelers make good competition pi lots others excel demonstration flying Few manage combine both skill Continued page 175 Top picture Sumal-bee flying mascot Raiffelsen National Bank-sponsored program organizea oy nanno io encourage childrens terest modeling Left Hanno group Austrian children seem good terms Bee No wonder showers parachute-borne trinkets sweets fetes sports events etc Right Hans left Hanno flying Bee latter designed May1991 173 Prettner family home Kiagenfurt Aus- splendid castle Burg Hochosterwltz tria author stayed guest high Austrian hills site Hannos first contest win age 13 Contes tants launched Gliders castle grounds attempted 10-minute flight View window Hanno Christeis Kiagenfurt home includes guest houseand course trophy room Above left Toffee Bomber adds excitement Raiffeisen National Bank program Hans left Hanno ready flight village fete Above right Hans looking left Hanno gets enthusiastic kiss fete Beiow left Bombs toffee awayl fun planes put children friendly terms aeromodeling Right Children scramble parachute-borne trinkets dropped Sumal-bee 4 -4 I panache Hanno Prettner demonstration flying pressures no less intense different na ture encountered competition youre advertised best world audience has high expecta tions Hannos sponsors too expect him show products best possible light Hannos exhibition flying draws huge crowds often thousands strong challenge please both knowledge able modelers casual spectatorsto demonstrate Precision Aerobatics its best yet still entertaining Its delicate bal ancing act way Hann keeps audience inter ested adding unique maneuvers Aerobatics menu among Hanno Screw Helicopter Spin Horizontal Lomce yak Knife-edge Loop appro priate full-size airplanes lack power-to-weight ratio necessary perform maneuvers beginning gain acceptance specialized competitions such Tournament Champions Whether fellow competitors can suc cessfully execute Hannos advanced maneu vers another matter fail wont want information hardware As anyone has chatted him model exhibitions knows Hanno always ready share knowledge experience faithful copies designs com mercially available EZ series Pilot kits should noted however Hanno usually increases engine size Close-up Raffeisen National Bank logo maximum display performance Hannos specially modified OS engine also available modeler Hanno Prettner Special long-stroke two-stroke 60 will perform exactly like uses once bright idea writing piece about secrets engine selection prepa ration run-in practiced mas ter After talking Hanno realized theres essentially nothing shareno special selection no magic fuel ingredient no stripping reworking engine Continued page 177 May1991 175 Toffee Bomber group other air craft flown festival Hans stands rear left Hanno thIrd left gentle man holding bomber unidentified word theres no mystique using Hanno Special merely common sense oper ation Hanno uses standard JR Propo radio multimemory function computer ized transmitter really comes its own hes operating variety display models simultaneously During visit home Klagenfurt Hanno flew about eight different models same trans mitter simply calling up required set ting plane making minor adjust ments trim necessary too can fly like Hanno Okay its quite simple aptitude ded ication will succeed can take far Nevertheless Hanno s special maneuvers combine maximum risk high de gree skill Also since airplane different supposedly same precisely know models responses conditions atti tudes successful youll Any structions Hanno fly spe cific maneuver would have limited ap plication particular model however few essential re Quirements Hannos special maneuvers call overpowered model short moment arm rearward center-of-gravity large control thows Obviously such airplane will verge instabil ity will need treated great re spect Beyond success depends per fect timing precise control surface deflec tions total dedication practice few examples knife-edge loop de mands good power reserves deep fuse lagethe latter provide lift-off fu selage wings vertical After re ducing power over top must crease again before reaching bottom lift fuselage fin rudder will take model around lower arc knife-edge being attempted first time its interesting see whether rudder cables strong enough whether pilot will keep bottle Performing creditable flat circle re quires maximum power availablethe greater power smaller radius circle Because model essentially pointed direction traveling other much propeller thrust lost drag radically increased Hence aile ron elevator rudder control move ments must perfectly coordinated model shows tendency climb full rudder applied can counteracted opposite aileron down elevator As Aerobatics aficionados know thats combination control movements used negative flick roll entry Practice high slightly overcontrol close Continued page 193 May1991 177 Hannos stable Aerobatics exhibition craft home Kiagenfurt Austria Focke Wuif 190 fiight Hanno pro ficient demonstration flying competition reputation best world attracts huge crowds lineup demonstration craft Front rear FW-190 Supra-Star Extra 230 keep big crowds interested Hanno invents special maneuvers display routines Hannos car looks like traveling blilboard world Aerobatics its support industry discovered receiver chan nels controlling servos would snap full direction about 60 seconds after system turned After test ing transmitter receiver separately isolate problem discovered BEC putting out 10 VDC Most Electric fliers seem hate BECs can see shorted MOSFET cost receiver two servos gyro say nothing speed controller first cause of problems replaced Airtronics receiver JR NER-527X ruined Futaba 5-33 ser vos JR NER-321s NER-527X re ceiver part JRs 1991 upgrade 1982 Circus Apollo helicopter radio ABC&W single-conversion receiver per forms well some 1991 dual-conversion receivers 21M does bother NER-527X wasnt listed Model Aviation got Ive told soon will JR NER-527X receiver about 3A shorter Airtronics 92765 re ceiver After plug servo pigtails end JR case Airtronics uses side-mount dont see much difference length installation point Im making plenty room under Whisper canopy 1991 re ceiver use sent back Kalt controller stalled non-BEC power controller separate 5-cell SR225 mAh flight battery weight increase about 25 ounces Whisper lifts easily sea level setup no worry about BEC fail ures about someone getting hurt should lose radio control before can shut off power rotor system servos now rated about 30 in-oz rather 16 in-oz recommended NER-305 servos fifth cell may unnecessary anything gyro Ill decide after some test flying Kalt went lot effort minimize weight Whisper should reluc tant add u-I-- SINCE 1936 Bill Etfinger * says Only Plane PattetnOC Setn give assoted design went have selected best classic desisns time yeu te cheese fom pattetes pert Steen impettant exclusive feature Curtlss aeHAWK~ PlC Add wingepen ength 2268 sq wieg area Fee 13 23 clo engines annel RJ 6c0514 6 Curtlss FALCON O-l8/A3 114 wingspan ength 3160 sq wing aeca 23 te 36 clo engines annel Sic 6c0513 gOne-Th dS Pp TI-Pae PA22 pa360 Scale Piper Cub 1-3 116 wingspan 60 length wine aneOnh 65 266655 20- 3Oo 14 engInes 6c35-2. 62695 THE SUPERIOR GLOW GO FAST FLYERS ARE BA CK II Puts sting engine Unique flat-wound spiral coil element high temperature glass-to-metal seal add up tester ignition increased RPM 1 12A GloBes plugs designed exclusivelyfor 0491051 Cox engines Ask new GB-5RX Speed Plug GB-SR Racing Plug GB-5P Sport Plug local dealer today unavailable ocally write call Twinn-K collect tor pricing delivery information FREE GloBes Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 Hanno/Boddington Continued page 173 ground have about tenth sec ond avoid disaster Never tempt exhibition fly special maneu vers until have perfected beyond chance mishap Hanno obviously enjoys modeling pride takes doing well spurs further accomplishments calculated further career num ber Aerobatics ace An experimental sort has built worlds smallest RC powered delta-winged model attempted floatplane endurance record flown Toffee Bomber village fetes Hannos collection RC models eclectic Ive seen Beyond main stay Aerobatics planes has Gliders nearly type fun model imaginable seaplanes Scale monoplanes biplanes delta-wings Minimodels maximodels anti-this anti-that brigades catholic Hanno tastes theyd have lot less time complain criticize Hanno has no immediate plans retire contest scene day comes its safe predict hell wel come extra time designing building flying today Hanno never loses sight personal satisfactions mod eling can bring complent neromodeler Hanno Prett ner secure position hobbys influential ambassador LI Quarter Scale WW 5010 wins span sq wing atne 76 22 engines ecos7 g249h SPAD C-XIII 76/ span 0 sq wing atna 13 31 engines capable flyat ceptrttes imagination cosg 5 FOKKER DR-i TRIPLANE 72 wing span sq wing eee 76 150 engines ecoso g34g5 SOPWITH CAMEL F1 84 wing span 2100 sq wing area t 1 lbs wlo 65 wesd ft helso constructien ove 60 sq ft dtewings scos11 62465 Fokker D-VII 66 wiogspao sq wieg etna 00-20 v14 engine h bs 6COSh 6 Letters Editor Continued page 8 Mr ODonnell wants see deck full British Corsairs can check out British Aircraft WW II John Frayn published Stein Day can also read about Great Book World War II Airplanes Bonanza Publishers Joshua Teague Stowe VT little Prime Cut photo Prime Cut featured September 1989 issue blew up plans magazine Xerox machine wingspan 57 constructed balsa foam wings fuselage decks performs aerobatics ease although beginners airplane Chris Chapman Lexington KY WACO D 1/4 Scale 1930s Commercial & Military Export 66 wingspan wing atee length bs C ch Engine glee i 2-23 kY Aitfnil Section a-Plywood omooable enginoonite ShockMocntnd Lending Gnat IRcOSlOl 62466 IFibergiaso cowl Wheel Pants & Felting Aveileblel FcIlsiae piano cnn last opencockpit Wacos ends beactitul bi plane sewielliptical wingo Piano show both military ocmmeroial cersionn elti hetinga, Feonding Mereher AMA NPF5 Hall Fewer Prices tin Icr ccmplotn plens sch assemuly ft detoiled pans lists PLPAOE ADD 6366 ter shipping wailing tobel Nec 1961 Plan Snts hr octrure otondab n cv hey s Ode WE TECHNICAL SERVICES Rt ~ FL 32459 May1991 193 I