NO OCR TEXT riul scoreboards e competitors ianged irs tent staff Wall display Infort 88 Model Aviation resa w rmd sell iey also C concemir ns mation secti4 e AerOIymph w newcomere I 3I5I tests Aerte no wai nby 3 dL4 id hul intrV boxes e cotii High Speed Airtronics MA-3 electronic speed controller specially designed electric powered aircraft Solid state componentry design ensures instant throttle control response improved RIC flight performance An efficient Proportional Electronic Throffle Control enhances MA-3s supercompad size weight eliminating additional battery servo switch Because operates sep arately f mm receiver MA-3 has greater flexibility integrated-type units can used variety aircraft MA-3 features Power MOS FET Amplifier Transistors low voltage loss convenient Battery ltage Regulator An Automatic Cut Off system reduces voltage elec tric motor whenever NiCd voltage decreases preset levels An advanced Heat Protected Amplifier interrupts current flow motor protect circuit components overheating 96330 MA-3 Specifications Power Supply 4 Cell 48 7 Cell 84 Volt NiCd pack Voltage Loss 0006 VoltslAmp PET Current Ratings Continuous Maximum Current 148 Amps Instantaneous Maximum Carrent580 Amps Dimensions 42 n 116 x 067 Weight 063 ox less switch connectors Continuous Current Rating 23 Amps cooling Intended Use Electric Powered Aircraft Adjustment Type Off-Position Trimmer Motor Size 280 540 Class Ferrite Motors Compatible Airtronics AM FM systems MA-3 speed controller accom modates 280 540 size ferrite electric motors utilizing 4-7 cell battery packs Get high speed flight performance Airtronics MA-3 electronic speed controller he Standard xjAIRTRONIC3 INC 11 Autry Irvune CA 92718714 830-8769 mote information about Airtmnics quality products please call write address above *Not compatible PCM Receivers address Ive lostDavid want send check using photo column please send address hap py because some advice gave him about Lan zo 1940 Nationals Stick Winner helped him model flies well won first place big Ca nadian contest last year has become convert Micafllm fuselage covering too Anyway told him put CG about 63% chord widen fuselage needed al low use winding tube lengthen longe rons rear go trailing edge rudder stab instead ending midstab use 14 16 strands A-in rubber 34 36 long much larger rope rub ber Lanzo suggests plans 32 strands 3/ rubber 44 long last item may important since lowers models weight makes plane flyable because CG isnt always changing depending unwound rubber decides rest change longerons allows sta ble mount stabilizer easier installation dethermalizer system Further changes move bottom wing spar aft bit under top spar located approxi mately 30% chord position allows add balsa web between two spars mak ing I-beam out Use spruce two spars takes worry out flying wind Fly thing right/left right turns under power left turns glideEd using left rudder glide turn lots down- right-thrust shim nose block flight trimming next time Have nice transition today Appendix Publishing history Air Trails magazine research AMA library 6/15/89 RB McMullen Bill Barnes Air Adventurer published Street Smith date volume number available through least volume 4 number August 1935first copy available AMA li brary digest-sized pulp magazine No other copies digest-sized magazine AMA library known what volume/number last size Bill Barnes Air Trails volume S number 1 October 1935 published Street Smith Format changed standard 8/2 x II Air Trails volume 7 number 5February 1937 still Street Smith Large Lufe-size mat adopted volume 13 number 2 Novem ber 1939 Down-sized traditional format vol ume 29 number 1 October 1947 Last issue title volume 41 number 6 March 1954 Air Trails Hobbies Young Men new title commencing volume 42 number IApril 1954 Young Men new title commencing volume 45 number 2November 1955 American Modeler new title commencing volume 47 number 3December 1956 Last sue published Street Smith no volume number January 1962 Same title remained publisher Conde Nast beginning vol ume 57 number 5 February 1962 Changed bimonthly publication volume 60 number 1 January/February 1963 Conde Nast continued publisher through volume 63 number 3 May/ June 1966 Potomac Aviation Publications came publisher volume 63 number 4 July/ August 1966 Reverted monthly publication volume 64 number 1 January 1967 American Aircraft Modeler new title begin ning volume 66 number 1 January 1968 Publication ceased volume 75 number 3 March 1975 publisher went out busi ness AerOlympics/Worth Continued page 88 through team manager meetings various evening social events mini-trade show big banquet US Navy officials Fentress site 1988 Nationals also did super job accommodating airfield activity compromising basic mission providing practice landings jet takeoffs nearby Oceana Naval Air Sta tion Full-scale flight operations sched uled during early morning late night hours AerOlympics could oper ate interference about 9 am 7 pm order use Fentress site AMA make number accommoda tions well worked out follow restrictions tents traffic could go conduct field inspection cleanup evening make sure nothing left runways taxiways might end up ajet engine take vehicle movement parking tightly controlled Despite Fentress terrific site combined world championships Physical separation control RC fre quencies enabled Helicopters Pylon Rac ers Aerobatics operate mi nor compromises pretty site December 1989 191 CULPEPPER Z MODELS INC 2526 Washington DbtaqueIA 52001 3191583-4830 well-manicured grassy areas between around runways taxiways weather cooperated nicely help provide good flying conditions Although air very hot humid mostly calm free rain eight days straight Dark clouds some wind final Sunday threatened put damper events end clouds veered off final award ceremonies held during calm sunset dark last day field empty except tents portable toilets trash cans tables chairs returned rental companies field clean AerOlympics overa grand success happy event Nearly hundred volunteer workers made happen anchored AMA Head quarters crew 10 key people HQ staff provided support services registra tion lodging transportation assistance fi nancial control score verification other details Just Nats daily newspaper produced via sophisticated desktop pub lishing system hardworking volunteers labored late night Computers tabulated scores three events verified another computer HQ also used great assortment other high-tech equipment Fentress cellular phones calling locally long distance hand-held radios base stations com munications frequency scanners spec trum analyzer RC signal monitoring photocopies results reproduction sound measuring instruments record noise levels An exemplar professional talents ap plied world-class aeromodeling compe tition AerOlympics II unquestionably boosted stature AMA aero modeling US workers best best jobs assigned Most contributed time talents exchange nightly hotel room reward feeling great pride achievement AerOlympics II among biggest best World Championships annals FAI Federation Aeronautique Interna tionale traveled cor ners world participate paid us tributes caliber organization accomplishment reflected con test can bask glow ac colades RC Helicopter WC/Wang Continued page 96 cans used about 1600 1700 rpm same maneuvers Youngblood used 1800 rpm Europeans other hand used low rpm hover higher speeds forward flight Daniele Graber Switz erland dropped low 1100 rpm hov er kicked up 1900 rpm forward flight Graber way flying expensive ship championships Si tar Special designed famous Sitar Blade designer Bernard Sitar professor fluid dynamics Innsbruck University Austria crafts parts Si tar kit himself home Expect see special report Sitars newest bearingless main rotor design future Methods supporting transmitters also varied good deal among fliers different countries None Japanese used neck straps trays flew thumbs Europeans used bulky trays extra-long sticks US pilots used simple neck strap operated controls thumb index fingers Americans Europeans used 10-to20%-nitro fuel almost always employed tuned pipe exhaust system Japanese used 30%-nitro MG lOOOF fuel costs about 7000 yen per gallon Japan Thats equivalent $4859 current rate exchange fuel such quality its no small wonder Japanese can get away standard muffler Still another difference observed contest Japanese prefer ringed en gines Americans Europeans seem favor ABC engines Unfortunately Japanese including team manager could speak English getting infor mation wasnt easy Japanese pilots excelled hover ing maneuvers Dobashi s tail-into-thewind takeoff smooth almost looked cocky Heres worked contestant after completing horizontal eight maneuver would walk other side hovering box start nose-in circle maneuver Helicop ters nose facing wind Doba shi stood simply ro tated Helicopter 1800 ground started nose-in circle maneuver tail wind made things little difficult him seemed have no ill effect performanceand showed solid preparation Japanese pilots way would al ways bow judges after rounds very nice gesture seems likely prestige surround ing well-established pilots makes difficult judges remain completely impar tial certain amount specula tion part onlookers whether some judges showed bias big name fliers performed rounds case top pilots like Heim Young blood Gorham Dobashi Sensui Ishika wa Schoonard etc air crowd behind flight line always swelled Youngbloods Gorhams hovering maneuvers executed very differently Japanese style Due lower rotor rpm softer teetering main rotors less sensitive control setups heavier Hiller paddles Japanese ships responded slowly making hovering maneuvers very smooth model drifted off course correction though quite smooth looking took longer what American pi lots used seeing windy days hovering maneuvers would describe smooth wavelike path contrast two Americans preferred high rpm stiff main rotor head setting broad quick response using light pad dles drift corrected instan taneously hovering maneuvers main tained excellent constant-height control discrete correctionswere easily discern ible wind picked up two 360 9pirouettes during top hat maneuver sepa rated men boys Executing slow constant-altitude pirouette about sin gle axis 10-to-iS-mph wind triv ial matter Collective cyclic tail rotor commands needed varied simultane ously response constantly changing relative wind direction making pir ouettes truly test piloting proficiency calmer wind task becomes far simpler afternoon wind subsided some what gradually dying down flat calm evening allow starting der 41 contestants shifted back 10 people day pilot taste morning wind some point contest couldnt eliminate luck draw entirely According Mike Robins official timekeep ers time Dutch team came up Continued page 196 192 Modei Aviation AR Fs Are Hard Fly Nothing Flies Like Wood Kit Weve got COMPLETELY BUILT wood kit stock red ready engine radio Call PHIL GOOD 215-741-0433 COD. VISA MasterCad rs/day 7 days/wk Pice ModelEnaine SireIConpletely aelti Seoo TeIenebe90 120$575 Gea$ PItoo Trooe40$450 Groe Plans Tare 00 $470 Geat Plarros Cheopree 4$ $400 Great Plarres laos 4$ $510 talsa USA Cob 14 Scalol90 1200595 Goldbeg Eagle II 40 $375 Balsa USA Phantoc IBreel 9$ $525 Si9 Kade 4$ $390 Srg Krg Cobra 9$ 049$ Sig Cob 4$ $450 Call early guaranteed delIvery Christmas
Edition: Model Aviation - 1989/12
Page Numbers: 87, 88, 191, 192
NO OCR TEXT riul scoreboards e competitors ianged irs tent staff Wall display Infort 88 Model Aviation resa w rmd sell iey also C concemir ns mation secti4 e AerOIymph w newcomere I 3I5I tests Aerte no wai nby 3 dL4 id hul intrV boxes e cotii High Speed Airtronics MA-3 electronic speed controller specially designed electric powered aircraft Solid state componentry design ensures instant throttle control response improved RIC flight performance An efficient Proportional Electronic Throffle Control enhances MA-3s supercompad size weight eliminating additional battery servo switch Because operates sep arately f mm receiver MA-3 has greater flexibility integrated-type units can used variety aircraft MA-3 features Power MOS FET Amplifier Transistors low voltage loss convenient Battery ltage Regulator An Automatic Cut Off system reduces voltage elec tric motor whenever NiCd voltage decreases preset levels An advanced Heat Protected Amplifier interrupts current flow motor protect circuit components overheating 96330 MA-3 Specifications Power Supply 4 Cell 48 7 Cell 84 Volt NiCd pack Voltage Loss 0006 VoltslAmp PET Current Ratings Continuous Maximum Current 148 Amps Instantaneous Maximum Carrent580 Amps Dimensions 42 n 116 x 067 Weight 063 ox less switch connectors Continuous Current Rating 23 Amps cooling Intended Use Electric Powered Aircraft Adjustment Type Off-Position Trimmer Motor Size 280 540 Class Ferrite Motors Compatible Airtronics AM FM systems MA-3 speed controller accom modates 280 540 size ferrite electric motors utilizing 4-7 cell battery packs Get high speed flight performance Airtronics MA-3 electronic speed controller he Standard xjAIRTRONIC3 INC 11 Autry Irvune CA 92718714 830-8769 mote information about Airtmnics quality products please call write address above *Not compatible PCM Receivers address Ive lostDavid want send check using photo column please send address hap py because some advice gave him about Lan zo 1940 Nationals Stick Winner helped him model flies well won first place big Ca nadian contest last year has become convert Micafllm fuselage covering too Anyway told him put CG about 63% chord widen fuselage needed al low use winding tube lengthen longe rons rear go trailing edge rudder stab instead ending midstab use 14 16 strands A-in rubber 34 36 long much larger rope rub ber Lanzo suggests plans 32 strands 3/ rubber 44 long last item may important since lowers models weight makes plane flyable because CG isnt always changing depending unwound rubber decides rest change longerons allows sta ble mount stabilizer easier installation dethermalizer system Further changes move bottom wing spar aft bit under top spar located approxi mately 30% chord position allows add balsa web between two spars mak ing I-beam out Use spruce two spars takes worry out flying wind Fly thing right/left right turns under power left turns glideEd using left rudder glide turn lots down- right-thrust shim nose block flight trimming next time Have nice transition today Appendix Publishing history Air Trails magazine research AMA library 6/15/89 RB McMullen Bill Barnes Air Adventurer published Street Smith date volume number available through least volume 4 number August 1935first copy available AMA li brary digest-sized pulp magazine No other copies digest-sized magazine AMA library known what volume/number last size Bill Barnes Air Trails volume S number 1 October 1935 published Street Smith Format changed standard 8/2 x II Air Trails volume 7 number 5February 1937 still Street Smith Large Lufe-size mat adopted volume 13 number 2 Novem ber 1939 Down-sized traditional format vol ume 29 number 1 October 1947 Last issue title volume 41 number 6 March 1954 Air Trails Hobbies Young Men new title commencing volume 42 number IApril 1954 Young Men new title commencing volume 45 number 2November 1955 American Modeler new title commencing volume 47 number 3December 1956 Last sue published Street Smith no volume number January 1962 Same title remained publisher Conde Nast beginning vol ume 57 number 5 February 1962 Changed bimonthly publication volume 60 number 1 January/February 1963 Conde Nast continued publisher through volume 63 number 3 May/ June 1966 Potomac Aviation Publications came publisher volume 63 number 4 July/ August 1966 Reverted monthly publication volume 64 number 1 January 1967 American Aircraft Modeler new title begin ning volume 66 number 1 January 1968 Publication ceased volume 75 number 3 March 1975 publisher went out busi ness AerOlympics/Worth Continued page 88 through team manager meetings various evening social events mini-trade show big banquet US Navy officials Fentress site 1988 Nationals also did super job accommodating airfield activity compromising basic mission providing practice landings jet takeoffs nearby Oceana Naval Air Sta tion Full-scale flight operations sched uled during early morning late night hours AerOlympics could oper ate interference about 9 am 7 pm order use Fentress site AMA make number accommoda tions well worked out follow restrictions tents traffic could go conduct field inspection cleanup evening make sure nothing left runways taxiways might end up ajet engine take vehicle movement parking tightly controlled Despite Fentress terrific site combined world championships Physical separation control RC fre quencies enabled Helicopters Pylon Rac ers Aerobatics operate mi nor compromises pretty site December 1989 191 CULPEPPER Z MODELS INC 2526 Washington DbtaqueIA 52001 3191583-4830 well-manicured grassy areas between around runways taxiways weather cooperated nicely help provide good flying conditions Although air very hot humid mostly calm free rain eight days straight Dark clouds some wind final Sunday threatened put damper events end clouds veered off final award ceremonies held during calm sunset dark last day field empty except tents portable toilets trash cans tables chairs returned rental companies field clean AerOlympics overa grand success happy event Nearly hundred volunteer workers made happen anchored AMA Head quarters crew 10 key people HQ staff provided support services registra tion lodging transportation assistance fi nancial control score verification other details Just Nats daily newspaper produced via sophisticated desktop pub lishing system hardworking volunteers labored late night Computers tabulated scores three events verified another computer HQ also used great assortment other high-tech equipment Fentress cellular phones calling locally long distance hand-held radios base stations com munications frequency scanners spec trum analyzer RC signal monitoring photocopies results reproduction sound measuring instruments record noise levels An exemplar professional talents ap plied world-class aeromodeling compe tition AerOlympics II unquestionably boosted stature AMA aero modeling US workers best best jobs assigned Most contributed time talents exchange nightly hotel room reward feeling great pride achievement AerOlympics II among biggest best World Championships annals FAI Federation Aeronautique Interna tionale traveled cor ners world participate paid us tributes caliber organization accomplishment reflected con test can bask glow ac colades RC Helicopter WC/Wang Continued page 96 cans used about 1600 1700 rpm same maneuvers Youngblood used 1800 rpm Europeans other hand used low rpm hover higher speeds forward flight Daniele Graber Switz erland dropped low 1100 rpm hov er kicked up 1900 rpm forward flight Graber way flying expensive ship championships Si tar Special designed famous Sitar Blade designer Bernard Sitar professor fluid dynamics Innsbruck University Austria crafts parts Si tar kit himself home Expect see special report Sitars newest bearingless main rotor design future Methods supporting transmitters also varied good deal among fliers different countries None Japanese used neck straps trays flew thumbs Europeans used bulky trays extra-long sticks US pilots used simple neck strap operated controls thumb index fingers Americans Europeans used 10-to20%-nitro fuel almost always employed tuned pipe exhaust system Japanese used 30%-nitro MG lOOOF fuel costs about 7000 yen per gallon Japan Thats equivalent $4859 current rate exchange fuel such quality its no small wonder Japanese can get away standard muffler Still another difference observed contest Japanese prefer ringed en gines Americans Europeans seem favor ABC engines Unfortunately Japanese including team manager could speak English getting infor mation wasnt easy Japanese pilots excelled hover ing maneuvers Dobashi s tail-into-thewind takeoff smooth almost looked cocky Heres worked contestant after completing horizontal eight maneuver would walk other side hovering box start nose-in circle maneuver Helicop ters nose facing wind Doba shi stood simply ro tated Helicopter 1800 ground started nose-in circle maneuver tail wind made things little difficult him seemed have no ill effect performanceand showed solid preparation Japanese pilots way would al ways bow judges after rounds very nice gesture seems likely prestige surround ing well-established pilots makes difficult judges remain completely impar tial certain amount specula tion part onlookers whether some judges showed bias big name fliers performed rounds case top pilots like Heim Young blood Gorham Dobashi Sensui Ishika wa Schoonard etc air crowd behind flight line always swelled Youngbloods Gorhams hovering maneuvers executed very differently Japanese style Due lower rotor rpm softer teetering main rotors less sensitive control setups heavier Hiller paddles Japanese ships responded slowly making hovering maneuvers very smooth model drifted off course correction though quite smooth looking took longer what American pi lots used seeing windy days hovering maneuvers would describe smooth wavelike path contrast two Americans preferred high rpm stiff main rotor head setting broad quick response using light pad dles drift corrected instan taneously hovering maneuvers main tained excellent constant-height control discrete correctionswere easily discern ible wind picked up two 360 9pirouettes during top hat maneuver sepa rated men boys Executing slow constant-altitude pirouette about sin gle axis 10-to-iS-mph wind triv ial matter Collective cyclic tail rotor commands needed varied simultane ously response constantly changing relative wind direction making pir ouettes truly test piloting proficiency calmer wind task becomes far simpler afternoon wind subsided some what gradually dying down flat calm evening allow starting der 41 contestants shifted back 10 people day pilot taste morning wind some point contest couldnt eliminate luck draw entirely According Mike Robins official timekeep ers time Dutch team came up Continued page 196 192 Modei Aviation AR Fs Are Hard Fly Nothing Flies Like Wood Kit Weve got COMPLETELY BUILT wood kit stock red ready engine radio Call PHIL GOOD 215-741-0433 COD. VISA MasterCad rs/day 7 days/wk Pice ModelEnaine SireIConpletely aelti Seoo TeIenebe90 120$575 Gea$ PItoo Trooe40$450 Groe Plans Tare 00 $470 Geat Plarros Cheopree 4$ $400 Great Plarres laos 4$ $510 talsa USA Cob 14 Scalol90 1200595 Goldbeg Eagle II 40 $375 Balsa USA Phantoc IBreel 9$ $525 Si9 Kade 4$ $390 Srg Krg Cobra 9$ 049$ Sig Cob 4$ $450 Call early guaranteed delIvery Christmas
Edition: Model Aviation - 1989/12
Page Numbers: 87, 88, 191, 192
NO OCR TEXT riul scoreboards e competitors ianged irs tent staff Wall display Infort 88 Model Aviation resa w rmd sell iey also C concemir ns mation secti4 e AerOIymph w newcomere I 3I5I tests Aerte no wai nby 3 dL4 id hul intrV boxes e cotii High Speed Airtronics MA-3 electronic speed controller specially designed electric powered aircraft Solid state componentry design ensures instant throttle control response improved RIC flight performance An efficient Proportional Electronic Throffle Control enhances MA-3s supercompad size weight eliminating additional battery servo switch Because operates sep arately f mm receiver MA-3 has greater flexibility integrated-type units can used variety aircraft MA-3 features Power MOS FET Amplifier Transistors low voltage loss convenient Battery ltage Regulator An Automatic Cut Off system reduces voltage elec tric motor whenever NiCd voltage decreases preset levels An advanced Heat Protected Amplifier interrupts current flow motor protect circuit components overheating 96330 MA-3 Specifications Power Supply 4 Cell 48 7 Cell 84 Volt NiCd pack Voltage Loss 0006 VoltslAmp PET Current Ratings Continuous Maximum Current 148 Amps Instantaneous Maximum Carrent580 Amps Dimensions 42 n 116 x 067 Weight 063 ox less switch connectors Continuous Current Rating 23 Amps cooling Intended Use Electric Powered Aircraft Adjustment Type Off-Position Trimmer Motor Size 280 540 Class Ferrite Motors Compatible Airtronics AM FM systems MA-3 speed controller accom modates 280 540 size ferrite electric motors utilizing 4-7 cell battery packs Get high speed flight performance Airtronics MA-3 electronic speed controller he Standard xjAIRTRONIC3 INC 11 Autry Irvune CA 92718714 830-8769 mote information about Airtmnics quality products please call write address above *Not compatible PCM Receivers address Ive lostDavid want send check using photo column please send address hap py because some advice gave him about Lan zo 1940 Nationals Stick Winner helped him model flies well won first place big Ca nadian contest last year has become convert Micafllm fuselage covering too Anyway told him put CG about 63% chord widen fuselage needed al low use winding tube lengthen longe rons rear go trailing edge rudder stab instead ending midstab use 14 16 strands A-in rubber 34 36 long much larger rope rub ber Lanzo suggests plans 32 strands 3/ rubber 44 long last item may important since lowers models weight makes plane flyable because CG isnt always changing depending unwound rubber decides rest change longerons allows sta ble mount stabilizer easier installation dethermalizer system Further changes move bottom wing spar aft bit under top spar located approxi mately 30% chord position allows add balsa web between two spars mak ing I-beam out Use spruce two spars takes worry out flying wind Fly thing right/left right turns under power left turns glideEd using left rudder glide turn lots down- right-thrust shim nose block flight trimming next time Have nice transition today Appendix Publishing history Air Trails magazine research AMA library 6/15/89 RB McMullen Bill Barnes Air Adventurer published Street Smith date volume number available through least volume 4 number August 1935first copy available AMA li brary digest-sized pulp magazine No other copies digest-sized magazine AMA library known what volume/number last size Bill Barnes Air Trails volume S number 1 October 1935 published Street Smith Format changed standard 8/2 x II Air Trails volume 7 number 5February 1937 still Street Smith Large Lufe-size mat adopted volume 13 number 2 Novem ber 1939 Down-sized traditional format vol ume 29 number 1 October 1947 Last issue title volume 41 number 6 March 1954 Air Trails Hobbies Young Men new title commencing volume 42 number IApril 1954 Young Men new title commencing volume 45 number 2November 1955 American Modeler new title commencing volume 47 number 3December 1956 Last sue published Street Smith no volume number January 1962 Same title remained publisher Conde Nast beginning vol ume 57 number 5 February 1962 Changed bimonthly publication volume 60 number 1 January/February 1963 Conde Nast continued publisher through volume 63 number 3 May/ June 1966 Potomac Aviation Publications came publisher volume 63 number 4 July/ August 1966 Reverted monthly publication volume 64 number 1 January 1967 American Aircraft Modeler new title begin ning volume 66 number 1 January 1968 Publication ceased volume 75 number 3 March 1975 publisher went out busi ness AerOlympics/Worth Continued page 88 through team manager meetings various evening social events mini-trade show big banquet US Navy officials Fentress site 1988 Nationals also did super job accommodating airfield activity compromising basic mission providing practice landings jet takeoffs nearby Oceana Naval Air Sta tion Full-scale flight operations sched uled during early morning late night hours AerOlympics could oper ate interference about 9 am 7 pm order use Fentress site AMA make number accommoda tions well worked out follow restrictions tents traffic could go conduct field inspection cleanup evening make sure nothing left runways taxiways might end up ajet engine take vehicle movement parking tightly controlled Despite Fentress terrific site combined world championships Physical separation control RC fre quencies enabled Helicopters Pylon Rac ers Aerobatics operate mi nor compromises pretty site December 1989 191 CULPEPPER Z MODELS INC 2526 Washington DbtaqueIA 52001 3191583-4830 well-manicured grassy areas between around runways taxiways weather cooperated nicely help provide good flying conditions Although air very hot humid mostly calm free rain eight days straight Dark clouds some wind final Sunday threatened put damper events end clouds veered off final award ceremonies held during calm sunset dark last day field empty except tents portable toilets trash cans tables chairs returned rental companies field clean AerOlympics overa grand success happy event Nearly hundred volunteer workers made happen anchored AMA Head quarters crew 10 key people HQ staff provided support services registra tion lodging transportation assistance fi nancial control score verification other details Just Nats daily newspaper produced via sophisticated desktop pub lishing system hardworking volunteers labored late night Computers tabulated scores three events verified another computer HQ also used great assortment other high-tech equipment Fentress cellular phones calling locally long distance hand-held radios base stations com munications frequency scanners spec trum analyzer RC signal monitoring photocopies results reproduction sound measuring instruments record noise levels An exemplar professional talents ap plied world-class aeromodeling compe tition AerOlympics II unquestionably boosted stature AMA aero modeling US workers best best jobs assigned Most contributed time talents exchange nightly hotel room reward feeling great pride achievement AerOlympics II among biggest best World Championships annals FAI Federation Aeronautique Interna tionale traveled cor ners world participate paid us tributes caliber organization accomplishment reflected con test can bask glow ac colades RC Helicopter WC/Wang Continued page 96 cans used about 1600 1700 rpm same maneuvers Youngblood used 1800 rpm Europeans other hand used low rpm hover higher speeds forward flight Daniele Graber Switz erland dropped low 1100 rpm hov er kicked up 1900 rpm forward flight Graber way flying expensive ship championships Si tar Special designed famous Sitar Blade designer Bernard Sitar professor fluid dynamics Innsbruck University Austria crafts parts Si tar kit himself home Expect see special report Sitars newest bearingless main rotor design future Methods supporting transmitters also varied good deal among fliers different countries None Japanese used neck straps trays flew thumbs Europeans used bulky trays extra-long sticks US pilots used simple neck strap operated controls thumb index fingers Americans Europeans used 10-to20%-nitro fuel almost always employed tuned pipe exhaust system Japanese used 30%-nitro MG lOOOF fuel costs about 7000 yen per gallon Japan Thats equivalent $4859 current rate exchange fuel such quality its no small wonder Japanese can get away standard muffler Still another difference observed contest Japanese prefer ringed en gines Americans Europeans seem favor ABC engines Unfortunately Japanese including team manager could speak English getting infor mation wasnt easy Japanese pilots excelled hover ing maneuvers Dobashi s tail-into-thewind takeoff smooth almost looked cocky Heres worked contestant after completing horizontal eight maneuver would walk other side hovering box start nose-in circle maneuver Helicop ters nose facing wind Doba shi stood simply ro tated Helicopter 1800 ground started nose-in circle maneuver tail wind made things little difficult him seemed have no ill effect performanceand showed solid preparation Japanese pilots way would al ways bow judges after rounds very nice gesture seems likely prestige surround ing well-established pilots makes difficult judges remain completely impar tial certain amount specula tion part onlookers whether some judges showed bias big name fliers performed rounds case top pilots like Heim Young blood Gorham Dobashi Sensui Ishika wa Schoonard etc air crowd behind flight line always swelled Youngbloods Gorhams hovering maneuvers executed very differently Japanese style Due lower rotor rpm softer teetering main rotors less sensitive control setups heavier Hiller paddles Japanese ships responded slowly making hovering maneuvers very smooth model drifted off course correction though quite smooth looking took longer what American pi lots used seeing windy days hovering maneuvers would describe smooth wavelike path contrast two Americans preferred high rpm stiff main rotor head setting broad quick response using light pad dles drift corrected instan taneously hovering maneuvers main tained excellent constant-height control discrete correctionswere easily discern ible wind picked up two 360 9pirouettes during top hat maneuver sepa rated men boys Executing slow constant-altitude pirouette about sin gle axis 10-to-iS-mph wind triv ial matter Collective cyclic tail rotor commands needed varied simultane ously response constantly changing relative wind direction making pir ouettes truly test piloting proficiency calmer wind task becomes far simpler afternoon wind subsided some what gradually dying down flat calm evening allow starting der 41 contestants shifted back 10 people day pilot taste morning wind some point contest couldnt eliminate luck draw entirely According Mike Robins official timekeep ers time Dutch team came up Continued page 196 192 Modei Aviation AR Fs Are Hard Fly Nothing Flies Like Wood Kit Weve got COMPLETELY BUILT wood kit stock red ready engine radio Call PHIL GOOD 215-741-0433 COD. VISA MasterCad rs/day 7 days/wk Pice ModelEnaine SireIConpletely aelti Seoo TeIenebe90 120$575 Gea$ PItoo Trooe40$450 Groe Plans Tare 00 $470 Geat Plarros Cheopree 4$ $400 Great Plarres laos 4$ $510 talsa USA Cob 14 Scalol90 1200595 Goldbeg Eagle II 40 $375 Balsa USA Phantoc IBreel 9$ $525 Si9 Kade 4$ $390 Srg Krg Cobra 9$ 049$ Sig Cob 4$ $450 Call early guaranteed delIvery Christmas
Edition: Model Aviation - 1989/12
Page Numbers: 87, 88, 191, 192
NO OCR TEXT riul scoreboards e competitors ianged irs tent staff Wall display Infort 88 Model Aviation resa w rmd sell iey also C concemir ns mation secti4 e AerOIymph w newcomere I 3I5I tests Aerte no wai nby 3 dL4 id hul intrV boxes e cotii High Speed Airtronics MA-3 electronic speed controller specially designed electric powered aircraft Solid state componentry design ensures instant throttle control response improved RIC flight performance An efficient Proportional Electronic Throffle Control enhances MA-3s supercompad size weight eliminating additional battery servo switch Because operates sep arately f mm receiver MA-3 has greater flexibility integrated-type units can used variety aircraft MA-3 features Power MOS FET Amplifier Transistors low voltage loss convenient Battery ltage Regulator An Automatic Cut Off system reduces voltage elec tric motor whenever NiCd voltage decreases preset levels An advanced Heat Protected Amplifier interrupts current flow motor protect circuit components overheating 96330 MA-3 Specifications Power Supply 4 Cell 48 7 Cell 84 Volt NiCd pack Voltage Loss 0006 VoltslAmp PET Current Ratings Continuous Maximum Current 148 Amps Instantaneous Maximum Carrent580 Amps Dimensions 42 n 116 x 067 Weight 063 ox less switch connectors Continuous Current Rating 23 Amps cooling Intended Use Electric Powered Aircraft Adjustment Type Off-Position Trimmer Motor Size 280 540 Class Ferrite Motors Compatible Airtronics AM FM systems MA-3 speed controller accom modates 280 540 size ferrite electric motors utilizing 4-7 cell battery packs Get high speed flight performance Airtronics MA-3 electronic speed controller he Standard xjAIRTRONIC3 INC 11 Autry Irvune CA 92718714 830-8769 mote information about Airtmnics quality products please call write address above *Not compatible PCM Receivers address Ive lostDavid want send check using photo column please send address hap py because some advice gave him about Lan zo 1940 Nationals Stick Winner helped him model flies well won first place big Ca nadian contest last year has become convert Micafllm fuselage covering too Anyway told him put CG about 63% chord widen fuselage needed al low use winding tube lengthen longe rons rear go trailing edge rudder stab instead ending midstab use 14 16 strands A-in rubber 34 36 long much larger rope rub ber Lanzo suggests plans 32 strands 3/ rubber 44 long last item may important since lowers models weight makes plane flyable because CG isnt always changing depending unwound rubber decides rest change longerons allows sta ble mount stabilizer easier installation dethermalizer system Further changes move bottom wing spar aft bit under top spar located approxi mately 30% chord position allows add balsa web between two spars mak ing I-beam out Use spruce two spars takes worry out flying wind Fly thing right/left right turns under power left turns glideEd using left rudder glide turn lots down- right-thrust shim nose block flight trimming next time Have nice transition today Appendix Publishing history Air Trails magazine research AMA library 6/15/89 RB McMullen Bill Barnes Air Adventurer published Street Smith date volume number available through least volume 4 number August 1935first copy available AMA li brary digest-sized pulp magazine No other copies digest-sized magazine AMA library known what volume/number last size Bill Barnes Air Trails volume S number 1 October 1935 published Street Smith Format changed standard 8/2 x II Air Trails volume 7 number 5February 1937 still Street Smith Large Lufe-size mat adopted volume 13 number 2 Novem ber 1939 Down-sized traditional format vol ume 29 number 1 October 1947 Last issue title volume 41 number 6 March 1954 Air Trails Hobbies Young Men new title commencing volume 42 number IApril 1954 Young Men new title commencing volume 45 number 2November 1955 American Modeler new title commencing volume 47 number 3December 1956 Last sue published Street Smith no volume number January 1962 Same title remained publisher Conde Nast beginning vol ume 57 number 5 February 1962 Changed bimonthly publication volume 60 number 1 January/February 1963 Conde Nast continued publisher through volume 63 number 3 May/ June 1966 Potomac Aviation Publications came publisher volume 63 number 4 July/ August 1966 Reverted monthly publication volume 64 number 1 January 1967 American Aircraft Modeler new title begin ning volume 66 number 1 January 1968 Publication ceased volume 75 number 3 March 1975 publisher went out busi ness AerOlympics/Worth Continued page 88 through team manager meetings various evening social events mini-trade show big banquet US Navy officials Fentress site 1988 Nationals also did super job accommodating airfield activity compromising basic mission providing practice landings jet takeoffs nearby Oceana Naval Air Sta tion Full-scale flight operations sched uled during early morning late night hours AerOlympics could oper ate interference about 9 am 7 pm order use Fentress site AMA make number accommoda tions well worked out follow restrictions tents traffic could go conduct field inspection cleanup evening make sure nothing left runways taxiways might end up ajet engine take vehicle movement parking tightly controlled Despite Fentress terrific site combined world championships Physical separation control RC fre quencies enabled Helicopters Pylon Rac ers Aerobatics operate mi nor compromises pretty site December 1989 191 CULPEPPER Z MODELS INC 2526 Washington DbtaqueIA 52001 3191583-4830 well-manicured grassy areas between around runways taxiways weather cooperated nicely help provide good flying conditions Although air very hot humid mostly calm free rain eight days straight Dark clouds some wind final Sunday threatened put damper events end clouds veered off final award ceremonies held during calm sunset dark last day field empty except tents portable toilets trash cans tables chairs returned rental companies field clean AerOlympics overa grand success happy event Nearly hundred volunteer workers made happen anchored AMA Head quarters crew 10 key people HQ staff provided support services registra tion lodging transportation assistance fi nancial control score verification other details Just Nats daily newspaper produced via sophisticated desktop pub lishing system hardworking volunteers labored late night Computers tabulated scores three events verified another computer HQ also used great assortment other high-tech equipment Fentress cellular phones calling locally long distance hand-held radios base stations com munications frequency scanners spec trum analyzer RC signal monitoring photocopies results reproduction sound measuring instruments record noise levels An exemplar professional talents ap plied world-class aeromodeling compe tition AerOlympics II unquestionably boosted stature AMA aero modeling US workers best best jobs assigned Most contributed time talents exchange nightly hotel room reward feeling great pride achievement AerOlympics II among biggest best World Championships annals FAI Federation Aeronautique Interna tionale traveled cor ners world participate paid us tributes caliber organization accomplishment reflected con test can bask glow ac colades RC Helicopter WC/Wang Continued page 96 cans used about 1600 1700 rpm same maneuvers Youngblood used 1800 rpm Europeans other hand used low rpm hover higher speeds forward flight Daniele Graber Switz erland dropped low 1100 rpm hov er kicked up 1900 rpm forward flight Graber way flying expensive ship championships Si tar Special designed famous Sitar Blade designer Bernard Sitar professor fluid dynamics Innsbruck University Austria crafts parts Si tar kit himself home Expect see special report Sitars newest bearingless main rotor design future Methods supporting transmitters also varied good deal among fliers different countries None Japanese used neck straps trays flew thumbs Europeans used bulky trays extra-long sticks US pilots used simple neck strap operated controls thumb index fingers Americans Europeans used 10-to20%-nitro fuel almost always employed tuned pipe exhaust system Japanese used 30%-nitro MG lOOOF fuel costs about 7000 yen per gallon Japan Thats equivalent $4859 current rate exchange fuel such quality its no small wonder Japanese can get away standard muffler Still another difference observed contest Japanese prefer ringed en gines Americans Europeans seem favor ABC engines Unfortunately Japanese including team manager could speak English getting infor mation wasnt easy Japanese pilots excelled hover ing maneuvers Dobashi s tail-into-thewind takeoff smooth almost looked cocky Heres worked contestant after completing horizontal eight maneuver would walk other side hovering box start nose-in circle maneuver Helicop ters nose facing wind Doba shi stood simply ro tated Helicopter 1800 ground started nose-in circle maneuver tail wind made things little difficult him seemed have no ill effect performanceand showed solid preparation Japanese pilots way would al ways bow judges after rounds very nice gesture seems likely prestige surround ing well-established pilots makes difficult judges remain completely impar tial certain amount specula tion part onlookers whether some judges showed bias big name fliers performed rounds case top pilots like Heim Young blood Gorham Dobashi Sensui Ishika wa Schoonard etc air crowd behind flight line always swelled Youngbloods Gorhams hovering maneuvers executed very differently Japanese style Due lower rotor rpm softer teetering main rotors less sensitive control setups heavier Hiller paddles Japanese ships responded slowly making hovering maneuvers very smooth model drifted off course correction though quite smooth looking took longer what American pi lots used seeing windy days hovering maneuvers would describe smooth wavelike path contrast two Americans preferred high rpm stiff main rotor head setting broad quick response using light pad dles drift corrected instan taneously hovering maneuvers main tained excellent constant-height control discrete correctionswere easily discern ible wind picked up two 360 9pirouettes during top hat maneuver sepa rated men boys Executing slow constant-altitude pirouette about sin gle axis 10-to-iS-mph wind triv ial matter Collective cyclic tail rotor commands needed varied simultane ously response constantly changing relative wind direction making pir ouettes truly test piloting proficiency calmer wind task becomes far simpler afternoon wind subsided some what gradually dying down flat calm evening allow starting der 41 contestants shifted back 10 people day pilot taste morning wind some point contest couldnt eliminate luck draw entirely According Mike Robins official timekeep ers time Dutch team came up Continued page 196 192 Modei Aviation AR Fs Are Hard Fly Nothing Flies Like Wood Kit Weve got COMPLETELY BUILT wood kit stock red ready engine radio Call PHIL GOOD 215-741-0433 COD. 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