Radio Control Sport Aerobatics Ron Van Putte SMOOTH admire flier can per form maneuvers smoothly gracefully too three ways achieve first way natural ability name always comes mind think smooth graceful flyingDon Lowe Hes ability since can remember first watching him fly reed equip ment remember way back 1962 Another name comes mind Steve Ro jecki Steves radio system set up airplane could almost tum inside out full control used Steve doesnt use dual-rate controls would swear does because way airplanes fly Thats real talent second way achieve smoothness gracefulness applying massive doses prac tice requires some natural ability make prog ress chief ingredient formula success practice know individuals category gluttons punish ment third way look great cheat way people bit natural talent too little initiative devote lot time practice chose way knew Id successfully pulled fast former Expert competitor graduated Master FAI told hed watched recent flying amazed progress Id made achieve smooth graceful flying cheating using radio lots nice features4 thats Dual-rates good start example loops look jerky because jerky stick input first trick use lowest elevator rate will enable per form loop using almost stick throw thats available small elevator-stick input wont make airplane jump around second trick use very low aileron rate roll corrections can made anyone knowing youre making Cheating Maybe secret smooth graceful flying use amount control necessary perform maneuver favorite example slow roll Real pros like Lowe Rojecki dont use tricks hold stick over just enough obtain smooth slow roll sneaky fliers use roll buttons very slow aileron dualrates prefer use lowest possible aileron rate Futaba PCM will give hold partial stick get desired roll rate thats devious methods use Futaba PCM has automatic rudder dual-rate can activated automatically drops low rudder rate throttle settings above selected spot use because can input just right amount rudder large stick input course also get sneaky elevator PCM has feature called variable trace ratio VTR functions shown drawing Near neutral position stick movement causes small control responses however beyond about 80% stick movement elevator response jumps steep curve give full elevator con trol its really desired permits smooth airplane response around neutral stick makes difficult anyone detect adjustments being made pitch Four Point Roll Eight Point Roll other good examples control-rate switches beneficial used fly both maneuvers same aileron rate used Three Horizontal Rolls After several yeats Im slow learner discovered could hit points easily airplane rolling slowly So use medium aileron rate maneuvers PCM has three aileron-rate posi tions Before airplane would jump points hold Now maneuver spent rolling points momentary pauses points maneuvers look better observers think its diffi cultbut really its easier What perfect solu tion several maneuvers require lot elevator input during part maneuver small input during remainder Examples Top Hat Square Loop half rolls Triangular Rolling Loop variable trace ratio pays off again yank stick response jumps steep curve refer drawing again airplane can corner rapidly corners completed small stick input will result soft airplane responses Neat may appear Im trying sell expensive radios suppose thats valid observation Purists will say truly good flier doesnt need extra features perform maneuvers wellthats true However until unless rules changed prohibit use dual-rate controls features like VTR flier would put himself distinct disadvantage trying Bill Cunningham L members 85 us team World Champs tires up ttne 1 uuCapitol City Pattern Festival also called Texas Nats Mike Harrison assists photo right Paul Verger L assisted Tim Langlinais Both popular competItors Lafayette LA home Cajun RC contest call Coonass Nationls Paiji second Masters 86 AMA Nats 42 Model Aviation Rons shop has shoe boxes case cant read labeled Varlous Assorica Sundry Junk junk hardly worth keeping too good throw away Stick Deflection Futaba PCM RC systems feature form dual-rate control response call Vari able Trace Ratio VTR graph shows servo response stick movement user-adjustable transmitter compete against people use As far sport flying concerned feel fliers should take full advantage great features radios have certainly add enjoyment hobby making easier fly airplanes better received letter Dr Michael Shahot Rolling Hills Estates CA wrote cause disturbed article published August 18 issue InfoWorld Aparently Federal Communications Commis sion considering proposal permit digital data network use 52-54 MHz portion amateur radio band course includes part 50 MHz band used ham RC fliers generally operate 531 532 533 534 535 MHz Part reason considering such pro posal very little interest frequency ham radio transmissions ham operators opt use bandwidth wont experience interference VHF sig nals Apparently FCC may decide publish formal rule public comment November main issue will probably whether fre quencies question underused claimed proposer digital data network Dr Shabot included copy letter wrote Raymond Kowalski Chief Special Services Federal Communications Commission Washing ton DC 20554 letter strongly opposed 52-54 MHz Public Digital Radio Service because disastrous effect would have ham RC modelers now use frequencies also want oppose proposal write ob jections FCC above address Thanks Dr Shabot bringing potential problem light may know ton rule change proposals RC Pattern now being con sidered Contest Board members Some change proposals minor others threaten abruptly change character RC Pattern example Proposals RC-88-8 RC-88-9 would change Expert Advanced class patterns re spectivley Turnaround style RC-88-3 would outlaw retracts Sportsman class RC-88-2 would combine Expert Master classes new fixed pattern called Open RC-88-4 would require Advanced Expert Master class en gines pass 105 dB sound level test lose 10 points per judge Continued page 142 going flying words conjure up images battles balky engines instead carefree days field youre using McDaniel R/C NiStarterTM light plug NiStartersTM heavy-duty nicad power will provide up 50 reliable quick starts charge features famous Head LockTM adapter brass reinforcing ring around crimped end really extends its life works sideways inverted information well NiStarter works just go local flying field may have wait NiStartersTM always flying McDaniel RIC FIncorporated I12206 Guinevere Road enn Dale MD 20769 301/464-2260 Telex 287901 McD-UR take hassle out hobby PO mox 911D K916 ANDERSON CA 96007EuPRODUCTSCal/or Write Brochure SPECIALIZING IN ZENGA H/MALONEY QUALITY ENGINES H 5 K SUPERSTARTER MK II FITS ALL QUADRAS AND G-38 $2495 ENGINESKI5 512495MODEL TECH PREFASRICATEDKITS 2199572 CAP 21$17995 24996877 50 IN J055 STICK8995 2799sROBINHOOD 805495 kits well suted tIre MALONEY t00 ZENOAH 0-23engines NEW ZENOAN G42 YOU CAN PAYA WHOLE LOT MORE BUT YOU WONT GETA MORE POWERFUL LIGHTER WEIGHT EASIER STARTING OR BETTER OUALITY 37 CL ENGINE AT ANY PRICE WEIGHS 51 LBS W/MUFFL ER HR 8000 RPM ON 22 x 8 ZINGER WUFF SAID PROPS IZINGERIAD*IESNESMISCELLANEOUS 19n9tO59952szSLOWCA5595 18n9t48952szFASTCA595 20n6l015955 MIN EPOXY 9 oz/655 25 n8 14109515 MIN EPOXY /9 Oz/955 2206-tO119535 MIN EPOXY/S on955 ZENOAN G-39$11495 CUSTOM 0-3814995 CUSTOM G-38 w/sprtng 51811Cr19995 MALONEY -Iso ZENOAH 0-82 CUSrOM G-92 w/muI9er & nosnt CUSTOM G-82 w/spring starter Add $250 Postage Handling order COD additinal $250 Kits add $750 UPS VisaIMC nors accepted Prices subject change notice CR SCALE TAILWHEEL NOK POWERPLU0 AMSDIL ISO-I OIL WORLD S16 /FIJTUBA/ 0-28 MOUNT 0-92 MOUNT CB SPINNERS 51395 255 255 2995 1795 1795 January 1987 43 0 0 0 0 DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about / * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINa $295 S e4t fea Z EASYITM~ 137 N Pacific St Suite DSan Marcos Ca 92069 C@O@O@O@O@O@OO VIDEO Hedge Hoppin Vol 3 Special Feature Warbird Action Tos Model Q Action interviews Scale 0 JETS British Concorde SST Retail ic Construction Beginner107 Mm49 95 Basic Flight Training Beginners65 Mm44 95 World Model Aviation 90 Mm 44 95 4Oshimosh Overuiemc 55Mm 39 95 Q rp ane Funnies 30 Mm Wild 39 95 3 ScaleMasters 60Mm4195 Warhirds Action 75MmFantastic4995 Hedge Hoppin Vol 45 Mm 41 95 9Which Way Up 70 MmAerohatim-sI47 95 Q lOHedge Hoppin Vol 2 40 Min41 953 dgeHoppinVul3 30Mm3495 Hedge Hoppin Series Feature Variety ol Avama lion Topics Fall Scale & Model CHRISTMAS SPECIAL BEGINNERS N. PACKAGE OFFER struction urchase Baalc Conprogram REEVIDEO Wreceiw 30% oft retail S13gs month onhd SPECIAL OFFER C Buy 3 programs ece ye 4th FREE Rent 3 programs aid C ece V5 4th FREE 0 Oudedag intorsnationO~ QAll Rentals $1495& U Rental DeposIt Retail Price Tape 0 Rental DuratIon 7 Days After Deli Payment Check 110 daysl MO. V M & Enp Date PhoneS CODs Ava ahe hy Phone C ShIpping 375 Foreign Canada Add 10% 0 rs 15% IL Res Add 7% Tax Academy AvIatIon R & D PO Box 277 3 Hazel Crest IL 60429 335 0776 4p$GE Z HOBBY RETAILER Dealer Plan Available installing new transmitter mountains INSTRUCTIONS Please flit card out comPletOty will broadcast 10 kHz off channel 52ef- PossIble should done soon possible after event Pinpoint location flying site bY giving ZIP fectively eliminating its usefulness DenverCode nearest street corner route numbers mites nearest town etc tf interference proven scan 5re5ncr piease describe include other intormatton thtnk mtght useful locating interference source DO NOT mati AMA mail card District Frequency Co ordinator Addresses printed month VP Re port column headings Model Aviation Magazine Since its few years since new fre quencies introduced Kurt trouble remembering what official word con cerning interference commercial transmission little research turned up info AMA News section March 1983 Model Avi ation Its article Bob Aberle Chairman AMAs RC Frequency Commit tee Quoting Bob new RC channels 50 aircraft-only chan nels will operational January J991BB spaced between existing commercial radio stations private radio services common carrier paging services etc closest can oper ate new RC channels 10 kHz However way rules written com mercial radio station operating 10 kHz away RC channel causes interference must change frequency re gard secondary user eyes FCC Because fact granted seemingly very large number authorized chan nels Selecting correct RC channel given area will become major problem espe cially near future last sentence ought etched field box Bob went say AMA estab lished District Frequency Coordination func tion advise members current potential interference commercial transmissions Lets next review RC receivers old fre quencies use before 1983 spaced 80 kHz apart first 11 new frequencies use now spaced 40 kHz apart After January 1991 will have 50 new fre quencies aircraft use spaced 20 kHz apart time spacing between channels nar rows need selective receivers 1991 receiver must able reject adjacent channels 20 kHz awayso dont shoot other down primary use station 10 kHz away can still get Thats FCC gave us 50 channelsto enable us dodge primary guys sounds like 10 kHz selec tivity long shot well does sound way time So what Its pretty obvious need determine channels avoid area conversely appear clear District Frequency Coordinator should able help info make workable system please sure inform Coordinator interference problems RC Interference Report Card insert Model Aviation June 1983 card reporting requirement shows data Coordinator will want know Report Card implies will troubles shoot-down before Coordinator gets word tt1IilllrcIftririiNci RPORTC5D ~tIr ri T.'p piIji What Coordinators really need advance information potential problems scanner like Kurt bought can tell transmissions likely hit give idea signal strength particular location monitoring have learned Denver several companies have FCC authorization transmit 10 kHz off RC channelsbut dont use frequencies regularly So may faced sporadic interference An answer might talk commercial people find out what theyre doing might get big under taking can hope have suf ficient number clear channels area MX500 sizable investmentbut clubs might consider final note about interference actually two problems above discussion about commercial interference addresses problem other interference create own transmitters no outside help has lot writing about intermodulation good luck 1991 receivers will eliminate problem Byron Blakeslee 3134 Winnebago Dr Se dalia CO 80135 RC Aerobatics/Van Putte Continued page 43 RC Pattern rules proposals published last month Competition News letter section magazine pages 132-133 RMcM Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach Florida 32548 RC Scale/Wischers Continued page 45 craftsmen abound K-W Rally previous Rallies seen Dee Harwell flying i/4.scale Great Lakes biplane Zimmermans engines years Rally Dee exhibiting own engine 612 cu miniature reproduction 1930 five-cylinder Kinner B-S model engine long-stroke design prototype 1092-in bore 1312-in stroke Cylinder heads valves came 05 160 Gemini four-stroke Top speed 20-in prop 5000 rpm tick-over idle 600 Its weight 875 lbs engine bench-mounted run often continuously-interested group modelers Dee expects have airplane soon Visitors K-W Rally treated spectacle Scale modeling its very best As past Bob Nelitz appeared newest creation A-scale Bucker Bo 131 Jungmann certainly must qualify nearly perfect Scale models ever seen Bob copied full-size Jungmann being restored using measurements photos complement Air craft Profile documentation fuselage built-up wooden dowels internal structure viewed through open cockpits authentically reproduced fullsize airplane has fold-down doors both sides cockpits model have piano hinges spring latches Both cockpits com pletely detailed Opening baggage hatch beContinued page 144 142 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run IncI Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 skip Credit price 21500 includes shipping e MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINES Box 26390 Phoenix Arizona 85068 602 870-3342 auto ant
Edition: Model Aviation - 1987/01
Page Numbers: 42, 43, 142
Radio Control Sport Aerobatics Ron Van Putte SMOOTH admire flier can per form maneuvers smoothly gracefully too three ways achieve first way natural ability name always comes mind think smooth graceful flyingDon Lowe Hes ability since can remember first watching him fly reed equip ment remember way back 1962 Another name comes mind Steve Ro jecki Steves radio system set up airplane could almost tum inside out full control used Steve doesnt use dual-rate controls would swear does because way airplanes fly Thats real talent second way achieve smoothness gracefulness applying massive doses prac tice requires some natural ability make prog ress chief ingredient formula success practice know individuals category gluttons punish ment third way look great cheat way people bit natural talent too little initiative devote lot time practice chose way knew Id successfully pulled fast former Expert competitor graduated Master FAI told hed watched recent flying amazed progress Id made achieve smooth graceful flying cheating using radio lots nice features4 thats Dual-rates good start example loops look jerky because jerky stick input first trick use lowest elevator rate will enable per form loop using almost stick throw thats available small elevator-stick input wont make airplane jump around second trick use very low aileron rate roll corrections can made anyone knowing youre making Cheating Maybe secret smooth graceful flying use amount control necessary perform maneuver favorite example slow roll Real pros like Lowe Rojecki dont use tricks hold stick over just enough obtain smooth slow roll sneaky fliers use roll buttons very slow aileron dualrates prefer use lowest possible aileron rate Futaba PCM will give hold partial stick get desired roll rate thats devious methods use Futaba PCM has automatic rudder dual-rate can activated automatically drops low rudder rate throttle settings above selected spot use because can input just right amount rudder large stick input course also get sneaky elevator PCM has feature called variable trace ratio VTR functions shown drawing Near neutral position stick movement causes small control responses however beyond about 80% stick movement elevator response jumps steep curve give full elevator con trol its really desired permits smooth airplane response around neutral stick makes difficult anyone detect adjustments being made pitch Four Point Roll Eight Point Roll other good examples control-rate switches beneficial used fly both maneuvers same aileron rate used Three Horizontal Rolls After several yeats Im slow learner discovered could hit points easily airplane rolling slowly So use medium aileron rate maneuvers PCM has three aileron-rate posi tions Before airplane would jump points hold Now maneuver spent rolling points momentary pauses points maneuvers look better observers think its diffi cultbut really its easier What perfect solu tion several maneuvers require lot elevator input during part maneuver small input during remainder Examples Top Hat Square Loop half rolls Triangular Rolling Loop variable trace ratio pays off again yank stick response jumps steep curve refer drawing again airplane can corner rapidly corners completed small stick input will result soft airplane responses Neat may appear Im trying sell expensive radios suppose thats valid observation Purists will say truly good flier doesnt need extra features perform maneuvers wellthats true However until unless rules changed prohibit use dual-rate controls features like VTR flier would put himself distinct disadvantage trying Bill Cunningham L members 85 us team World Champs tires up ttne 1 uuCapitol City Pattern Festival also called Texas Nats Mike Harrison assists photo right Paul Verger L assisted Tim Langlinais Both popular competItors Lafayette LA home Cajun RC contest call Coonass Nationls Paiji second Masters 86 AMA Nats 42 Model Aviation Rons shop has shoe boxes case cant read labeled Varlous Assorica Sundry Junk junk hardly worth keeping too good throw away Stick Deflection Futaba PCM RC systems feature form dual-rate control response call Vari able Trace Ratio VTR graph shows servo response stick movement user-adjustable transmitter compete against people use As far sport flying concerned feel fliers should take full advantage great features radios have certainly add enjoyment hobby making easier fly airplanes better received letter Dr Michael Shahot Rolling Hills Estates CA wrote cause disturbed article published August 18 issue InfoWorld Aparently Federal Communications Commis sion considering proposal permit digital data network use 52-54 MHz portion amateur radio band course includes part 50 MHz band used ham RC fliers generally operate 531 532 533 534 535 MHz Part reason considering such pro posal very little interest frequency ham radio transmissions ham operators opt use bandwidth wont experience interference VHF sig nals Apparently FCC may decide publish formal rule public comment November main issue will probably whether fre quencies question underused claimed proposer digital data network Dr Shabot included copy letter wrote Raymond Kowalski Chief Special Services Federal Communications Commission Washing ton DC 20554 letter strongly opposed 52-54 MHz Public Digital Radio Service because disastrous effect would have ham RC modelers now use frequencies also want oppose proposal write ob jections FCC above address Thanks Dr Shabot bringing potential problem light may know ton rule change proposals RC Pattern now being con sidered Contest Board members Some change proposals minor others threaten abruptly change character RC Pattern example Proposals RC-88-8 RC-88-9 would change Expert Advanced class patterns re spectivley Turnaround style RC-88-3 would outlaw retracts Sportsman class RC-88-2 would combine Expert Master classes new fixed pattern called Open RC-88-4 would require Advanced Expert Master class en gines pass 105 dB sound level test lose 10 points per judge Continued page 142 going flying words conjure up images battles balky engines instead carefree days field youre using McDaniel R/C NiStarterTM light plug NiStartersTM heavy-duty nicad power will provide up 50 reliable quick starts charge features famous Head LockTM adapter brass reinforcing ring around crimped end really extends its life works sideways inverted information well NiStarter works just go local flying field may have wait NiStartersTM always flying McDaniel RIC FIncorporated I12206 Guinevere Road enn Dale MD 20769 301/464-2260 Telex 287901 McD-UR take hassle out hobby PO mox 911D K916 ANDERSON CA 96007EuPRODUCTSCal/or Write Brochure SPECIALIZING IN ZENGA H/MALONEY QUALITY ENGINES H 5 K SUPERSTARTER MK II FITS ALL QUADRAS AND G-38 $2495 ENGINESKI5 512495MODEL TECH PREFASRICATEDKITS 2199572 CAP 21$17995 24996877 50 IN J055 STICK8995 2799sROBINHOOD 805495 kits well suted tIre MALONEY t00 ZENOAH 0-23engines NEW ZENOAN G42 YOU CAN PAYA WHOLE LOT MORE BUT YOU WONT GETA MORE POWERFUL LIGHTER WEIGHT EASIER STARTING OR BETTER OUALITY 37 CL ENGINE AT ANY PRICE WEIGHS 51 LBS W/MUFFL ER HR 8000 RPM ON 22 x 8 ZINGER WUFF SAID PROPS IZINGERIAD*IESNESMISCELLANEOUS 19n9tO59952szSLOWCA5595 18n9t48952szFASTCA595 20n6l015955 MIN EPOXY 9 oz/655 25 n8 14109515 MIN EPOXY /9 Oz/955 2206-tO119535 MIN EPOXY/S on955 ZENOAN G-39$11495 CUSTOM 0-3814995 CUSTOM G-38 w/sprtng 51811Cr19995 MALONEY -Iso ZENOAH 0-82 CUSrOM G-92 w/muI9er & nosnt CUSTOM G-82 w/spring starter Add $250 Postage Handling order COD additinal $250 Kits add $750 UPS VisaIMC nors accepted Prices subject change notice CR SCALE TAILWHEEL NOK POWERPLU0 AMSDIL ISO-I OIL WORLD S16 /FIJTUBA/ 0-28 MOUNT 0-92 MOUNT CB SPINNERS 51395 255 255 2995 1795 1795 January 1987 43 0 0 0 0 DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about / * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINa $295 S e4t fea Z EASYITM~ 137 N Pacific St Suite DSan Marcos Ca 92069 C@O@O@O@O@O@OO VIDEO Hedge Hoppin Vol 3 Special Feature Warbird Action Tos Model Q Action interviews Scale 0 JETS British Concorde SST Retail ic Construction Beginner107 Mm49 95 Basic Flight Training Beginners65 Mm44 95 World Model Aviation 90 Mm 44 95 4Oshimosh Overuiemc 55Mm 39 95 Q rp ane Funnies 30 Mm Wild 39 95 3 ScaleMasters 60Mm4195 Warhirds Action 75MmFantastic4995 Hedge Hoppin Vol 45 Mm 41 95 9Which Way Up 70 MmAerohatim-sI47 95 Q lOHedge Hoppin Vol 2 40 Min41 953 dgeHoppinVul3 30Mm3495 Hedge Hoppin Series Feature Variety ol Avama lion Topics Fall Scale & Model CHRISTMAS SPECIAL BEGINNERS N. PACKAGE OFFER struction urchase Baalc Conprogram REEVIDEO Wreceiw 30% oft retail S13gs month onhd SPECIAL OFFER C Buy 3 programs ece ye 4th FREE Rent 3 programs aid C ece V5 4th FREE 0 Oudedag intorsnationO~ QAll Rentals $1495& U Rental DeposIt Retail Price Tape 0 Rental DuratIon 7 Days After Deli Payment Check 110 daysl MO. V M & Enp Date PhoneS CODs Ava ahe hy Phone C ShIpping 375 Foreign Canada Add 10% 0 rs 15% IL Res Add 7% Tax Academy AvIatIon R & D PO Box 277 3 Hazel Crest IL 60429 335 0776 4p$GE Z HOBBY RETAILER Dealer Plan Available installing new transmitter mountains INSTRUCTIONS Please flit card out comPletOty will broadcast 10 kHz off channel 52ef- PossIble should done soon possible after event Pinpoint location flying site bY giving ZIP fectively eliminating its usefulness DenverCode nearest street corner route numbers mites nearest town etc tf interference proven scan 5re5ncr piease describe include other intormatton thtnk mtght useful locating interference source DO NOT mati AMA mail card District Frequency Co ordinator Addresses printed month VP Re port column headings Model Aviation Magazine Since its few years since new fre quencies introduced Kurt trouble remembering what official word con cerning interference commercial transmission little research turned up info AMA News section March 1983 Model Avi ation Its article Bob Aberle Chairman AMAs RC Frequency Commit tee Quoting Bob new RC channels 50 aircraft-only chan nels will operational January J991BB spaced between existing commercial radio stations private radio services common carrier paging services etc closest can oper ate new RC channels 10 kHz However way rules written com mercial radio station operating 10 kHz away RC channel causes interference must change frequency re gard secondary user eyes FCC Because fact granted seemingly very large number authorized chan nels Selecting correct RC channel given area will become major problem espe cially near future last sentence ought etched field box Bob went say AMA estab lished District Frequency Coordination func tion advise members current potential interference commercial transmissions Lets next review RC receivers old fre quencies use before 1983 spaced 80 kHz apart first 11 new frequencies use now spaced 40 kHz apart After January 1991 will have 50 new fre quencies aircraft use spaced 20 kHz apart time spacing between channels nar rows need selective receivers 1991 receiver must able reject adjacent channels 20 kHz awayso dont shoot other down primary use station 10 kHz away can still get Thats FCC gave us 50 channelsto enable us dodge primary guys sounds like 10 kHz selec tivity long shot well does sound way time So what Its pretty obvious need determine channels avoid area conversely appear clear District Frequency Coordinator should able help info make workable system please sure inform Coordinator interference problems RC Interference Report Card insert Model Aviation June 1983 card reporting requirement shows data Coordinator will want know Report Card implies will troubles shoot-down before Coordinator gets word tt1IilllrcIftririiNci RPORTC5D ~tIr ri T.'p piIji What Coordinators really need advance information potential problems scanner like Kurt bought can tell transmissions likely hit give idea signal strength particular location monitoring have learned Denver several companies have FCC authorization transmit 10 kHz off RC channelsbut dont use frequencies regularly So may faced sporadic interference An answer might talk commercial people find out what theyre doing might get big under taking can hope have suf ficient number clear channels area MX500 sizable investmentbut clubs might consider final note about interference actually two problems above discussion about commercial interference addresses problem other interference create own transmitters no outside help has lot writing about intermodulation good luck 1991 receivers will eliminate problem Byron Blakeslee 3134 Winnebago Dr Se dalia CO 80135 RC Aerobatics/Van Putte Continued page 43 RC Pattern rules proposals published last month Competition News letter section magazine pages 132-133 RMcM Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach Florida 32548 RC Scale/Wischers Continued page 45 craftsmen abound K-W Rally previous Rallies seen Dee Harwell flying i/4.scale Great Lakes biplane Zimmermans engines years Rally Dee exhibiting own engine 612 cu miniature reproduction 1930 five-cylinder Kinner B-S model engine long-stroke design prototype 1092-in bore 1312-in stroke Cylinder heads valves came 05 160 Gemini four-stroke Top speed 20-in prop 5000 rpm tick-over idle 600 Its weight 875 lbs engine bench-mounted run often continuously-interested group modelers Dee expects have airplane soon Visitors K-W Rally treated spectacle Scale modeling its very best As past Bob Nelitz appeared newest creation A-scale Bucker Bo 131 Jungmann certainly must qualify nearly perfect Scale models ever seen Bob copied full-size Jungmann being restored using measurements photos complement Air craft Profile documentation fuselage built-up wooden dowels internal structure viewed through open cockpits authentically reproduced fullsize airplane has fold-down doors both sides cockpits model have piano hinges spring latches Both cockpits com pletely detailed Opening baggage hatch beContinued page 144 142 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run IncI Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 skip Credit price 21500 includes shipping e MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINES Box 26390 Phoenix Arizona 85068 602 870-3342 auto ant
Edition: Model Aviation - 1987/01
Page Numbers: 42, 43, 142
Radio Control Sport Aerobatics Ron Van Putte SMOOTH admire flier can per form maneuvers smoothly gracefully too three ways achieve first way natural ability name always comes mind think smooth graceful flyingDon Lowe Hes ability since can remember first watching him fly reed equip ment remember way back 1962 Another name comes mind Steve Ro jecki Steves radio system set up airplane could almost tum inside out full control used Steve doesnt use dual-rate controls would swear does because way airplanes fly Thats real talent second way achieve smoothness gracefulness applying massive doses prac tice requires some natural ability make prog ress chief ingredient formula success practice know individuals category gluttons punish ment third way look great cheat way people bit natural talent too little initiative devote lot time practice chose way knew Id successfully pulled fast former Expert competitor graduated Master FAI told hed watched recent flying amazed progress Id made achieve smooth graceful flying cheating using radio lots nice features4 thats Dual-rates good start example loops look jerky because jerky stick input first trick use lowest elevator rate will enable per form loop using almost stick throw thats available small elevator-stick input wont make airplane jump around second trick use very low aileron rate roll corrections can made anyone knowing youre making Cheating Maybe secret smooth graceful flying use amount control necessary perform maneuver favorite example slow roll Real pros like Lowe Rojecki dont use tricks hold stick over just enough obtain smooth slow roll sneaky fliers use roll buttons very slow aileron dualrates prefer use lowest possible aileron rate Futaba PCM will give hold partial stick get desired roll rate thats devious methods use Futaba PCM has automatic rudder dual-rate can activated automatically drops low rudder rate throttle settings above selected spot use because can input just right amount rudder large stick input course also get sneaky elevator PCM has feature called variable trace ratio VTR functions shown drawing Near neutral position stick movement causes small control responses however beyond about 80% stick movement elevator response jumps steep curve give full elevator con trol its really desired permits smooth airplane response around neutral stick makes difficult anyone detect adjustments being made pitch Four Point Roll Eight Point Roll other good examples control-rate switches beneficial used fly both maneuvers same aileron rate used Three Horizontal Rolls After several yeats Im slow learner discovered could hit points easily airplane rolling slowly So use medium aileron rate maneuvers PCM has three aileron-rate posi tions Before airplane would jump points hold Now maneuver spent rolling points momentary pauses points maneuvers look better observers think its diffi cultbut really its easier What perfect solu tion several maneuvers require lot elevator input during part maneuver small input during remainder Examples Top Hat Square Loop half rolls Triangular Rolling Loop variable trace ratio pays off again yank stick response jumps steep curve refer drawing again airplane can corner rapidly corners completed small stick input will result soft airplane responses Neat may appear Im trying sell expensive radios suppose thats valid observation Purists will say truly good flier doesnt need extra features perform maneuvers wellthats true However until unless rules changed prohibit use dual-rate controls features like VTR flier would put himself distinct disadvantage trying Bill Cunningham L members 85 us team World Champs tires up ttne 1 uuCapitol City Pattern Festival also called Texas Nats Mike Harrison assists photo right Paul Verger L assisted Tim Langlinais Both popular competItors Lafayette LA home Cajun RC contest call Coonass Nationls Paiji second Masters 86 AMA Nats 42 Model Aviation Rons shop has shoe boxes case cant read labeled Varlous Assorica Sundry Junk junk hardly worth keeping too good throw away Stick Deflection Futaba PCM RC systems feature form dual-rate control response call Vari able Trace Ratio VTR graph shows servo response stick movement user-adjustable transmitter compete against people use As far sport flying concerned feel fliers should take full advantage great features radios have certainly add enjoyment hobby making easier fly airplanes better received letter Dr Michael Shahot Rolling Hills Estates CA wrote cause disturbed article published August 18 issue InfoWorld Aparently Federal Communications Commis sion considering proposal permit digital data network use 52-54 MHz portion amateur radio band course includes part 50 MHz band used ham RC fliers generally operate 531 532 533 534 535 MHz Part reason considering such pro posal very little interest frequency ham radio transmissions ham operators opt use bandwidth wont experience interference VHF sig nals Apparently FCC may decide publish formal rule public comment November main issue will probably whether fre quencies question underused claimed proposer digital data network Dr Shabot included copy letter wrote Raymond Kowalski Chief Special Services Federal Communications Commission Washing ton DC 20554 letter strongly opposed 52-54 MHz Public Digital Radio Service because disastrous effect would have ham RC modelers now use frequencies also want oppose proposal write ob jections FCC above address Thanks Dr Shabot bringing potential problem light may know ton rule change proposals RC Pattern now being con sidered Contest Board members Some change proposals minor others threaten abruptly change character RC Pattern example Proposals RC-88-8 RC-88-9 would change Expert Advanced class patterns re spectivley Turnaround style RC-88-3 would outlaw retracts Sportsman class RC-88-2 would combine Expert Master classes new fixed pattern called Open RC-88-4 would require Advanced Expert Master class en gines pass 105 dB sound level test lose 10 points per judge Continued page 142 going flying words conjure up images battles balky engines instead carefree days field youre using McDaniel R/C NiStarterTM light plug NiStartersTM heavy-duty nicad power will provide up 50 reliable quick starts charge features famous Head LockTM adapter brass reinforcing ring around crimped end really extends its life works sideways inverted information well NiStarter works just go local flying field may have wait NiStartersTM always flying McDaniel RIC FIncorporated I12206 Guinevere Road enn Dale MD 20769 301/464-2260 Telex 287901 McD-UR take hassle out hobby PO mox 911D K916 ANDERSON CA 96007EuPRODUCTSCal/or Write Brochure SPECIALIZING IN ZENGA H/MALONEY QUALITY ENGINES H 5 K SUPERSTARTER MK II FITS ALL QUADRAS AND G-38 $2495 ENGINESKI5 512495MODEL TECH PREFASRICATEDKITS 2199572 CAP 21$17995 24996877 50 IN J055 STICK8995 2799sROBINHOOD 805495 kits well suted tIre MALONEY t00 ZENOAH 0-23engines NEW ZENOAN G42 YOU CAN PAYA WHOLE LOT MORE BUT YOU WONT GETA MORE POWERFUL LIGHTER 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PACKAGE OFFER struction urchase Baalc Conprogram REEVIDEO Wreceiw 30% oft retail S13gs month onhd SPECIAL OFFER C Buy 3 programs ece ye 4th FREE Rent 3 programs aid C ece V5 4th FREE 0 Oudedag intorsnationO~ QAll Rentals $1495& U Rental DeposIt Retail Price Tape 0 Rental DuratIon 7 Days After Deli Payment Check 110 daysl MO. V M & Enp Date PhoneS CODs Ava ahe hy Phone C ShIpping 375 Foreign Canada Add 10% 0 rs 15% IL Res Add 7% Tax Academy AvIatIon R & D PO Box 277 3 Hazel Crest IL 60429 335 0776 4p$GE Z HOBBY RETAILER Dealer Plan Available installing new transmitter mountains INSTRUCTIONS Please flit card out comPletOty will broadcast 10 kHz off channel 52ef- PossIble should done soon possible after event Pinpoint location flying site bY giving ZIP fectively eliminating its usefulness DenverCode nearest street corner route numbers mites nearest town etc tf interference proven scan 5re5ncr piease describe include other intormatton thtnk mtght useful locating interference source DO NOT mati AMA mail card District Frequency Co ordinator Addresses printed month VP Re port column headings Model Aviation Magazine Since its few years since new fre quencies introduced Kurt trouble remembering what official word con cerning interference commercial transmission little research turned up info AMA News section March 1983 Model Avi ation Its article Bob Aberle Chairman AMAs RC Frequency Commit tee Quoting Bob new RC channels 50 aircraft-only chan nels will operational January J991BB spaced between existing commercial radio stations private radio services common carrier paging services etc closest can oper ate new RC channels 10 kHz However way rules written com mercial radio station operating 10 kHz away RC channel causes interference must change frequency re gard secondary user eyes FCC Because fact granted seemingly very large number authorized chan nels Selecting correct RC channel given area will become major problem espe cially near future last sentence ought etched field box Bob went say AMA estab lished District Frequency Coordination func tion advise members current potential interference commercial transmissions Lets next review RC receivers old fre quencies use before 1983 spaced 80 kHz apart first 11 new frequencies use now spaced 40 kHz apart After January 1991 will have 50 new fre quencies aircraft use spaced 20 kHz apart time spacing between channels nar rows need selective receivers 1991 receiver must able reject adjacent channels 20 kHz awayso dont shoot other down primary use station 10 kHz away can still get Thats FCC gave us 50 channelsto enable us dodge primary guys sounds like 10 kHz selec tivity long shot well does sound way time So what Its pretty obvious need determine channels avoid area conversely appear clear District Frequency Coordinator should able help info make workable system please sure inform Coordinator interference problems RC Interference Report Card insert Model Aviation June 1983 card reporting requirement shows data Coordinator will want know Report Card implies will troubles shoot-down before Coordinator gets word tt1IilllrcIftririiNci RPORTC5D ~tIr ri T.'p piIji What Coordinators really need advance information potential problems scanner like Kurt bought can tell transmissions likely hit give idea signal strength particular location monitoring have learned Denver several companies have FCC authorization transmit 10 kHz off RC channelsbut dont use frequencies regularly So may faced sporadic interference An answer might talk commercial people find out what theyre doing might get big under taking can hope have suf ficient number clear channels area MX500 sizable investmentbut clubs might consider final note about interference actually two problems above discussion about commercial interference addresses problem other interference create own transmitters no outside help has lot writing about intermodulation good luck 1991 receivers will eliminate problem Byron Blakeslee 3134 Winnebago Dr Se dalia CO 80135 RC Aerobatics/Van Putte Continued page 43 RC Pattern rules proposals published last month Competition News letter section magazine pages 132-133 RMcM Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach Florida 32548 RC Scale/Wischers Continued page 45 craftsmen abound K-W Rally previous Rallies seen Dee Harwell flying i/4.scale Great Lakes biplane Zimmermans engines years Rally Dee exhibiting own engine 612 cu miniature reproduction 1930 five-cylinder Kinner B-S model engine long-stroke design prototype 1092-in bore 1312-in stroke Cylinder heads valves came 05 160 Gemini four-stroke Top speed 20-in prop 5000 rpm tick-over idle 600 Its weight 875 lbs engine bench-mounted run often continuously-interested group modelers Dee expects have airplane soon Visitors K-W Rally treated spectacle Scale modeling its very best As past Bob Nelitz appeared newest creation A-scale Bucker Bo 131 Jungmann certainly must qualify nearly perfect Scale models ever seen Bob copied full-size Jungmann being restored using measurements photos complement Air craft Profile documentation fuselage built-up wooden dowels internal structure viewed through open cockpits authentically reproduced fullsize airplane has fold-down doors both sides cockpits model have piano hinges spring latches Both cockpits com pletely detailed Opening baggage hatch beContinued page 144 142 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run IncI Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 skip Credit price 21500 includes shipping e MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINES Box 26390 Phoenix Arizona 85068 602 870-3342 auto ant