Control Line Naiy Carrier Dick Perry ner March mystery plane contest correctly identified Supermarine Type 322 Dumbo Other respondents correct answers Marc Warwashana Lonnie Cope Joe Wagner Frank Beatty Continued page 154 winner months Mystery Plane contest will drawn correct entries sent directly Dick Perry address given end column OOPS last column mistakenly listed 15-sized MO-i belonging Tom Welsh apologies Jim Welsh true owner Mystery Plane Cam Martin winMost 100-point landings rather routinebut onel Gene Daniels Class Skyralder caught arresting cable too near edge deck Subsequent gyrations shook hook loose SH Ringo plc George Liebs 15 CarrIer model win ner 0 PS 15 power provides high speeds above 70 mph cap Cam Martins Bearcat GS kit GS Bearcat Skyraider Corsair designed Profile Carrier event have out production long time very few can still found hobby shops July1985 67 ELECTEC EASEl & SAILPLANE SPECIALISTS 1981 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES FREE DEMONSTRATION FLIGHTS CiECK OUT AND/OR TEST FLIGHTS OF yOUR NEW PLANES CALL OR WRITE FOR FREE DESCRIPTIVE FLYER UPS 000 FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC OLDTIMER SPORT SCALE ERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEATURING ONLY STATE OF ThE ART ITEMS 0 r r U U S C 1 2 SI S C 2 slight disadvantage proposal would obsolete 36 far Competition use goes Availability lighter weight less power slowing down models usually cited reasons such change Any engine/model changes really affect less hundred national regional competitors no need worry local level can anything want long two can agree talked Jed Kusik other day before left new job working Henry Nelson Henrys engine busi ness has really turned big time Dont wait until week before Nation als Team Trials order engines though have orders hun dreds Chinese other people around world Henry wont sneer two-engine order will put line rest Jed said hes spent time doing work engines sent repair backlog should have cleared long before read Hes also sembling testing unit must meet very high standard before shipped theyre closely scrutinized find out theyre performing Jed said positioning liner case very critical tiny amount misalignment causes large drop power youre engine dis assembly opportunity should careful about liner positioning Head clearance also other major factor Most people run head down tighter until start popping plugs run up few thousandths Overcompressing seems major problems engines dont run up par Before complain about engine sure test-run very strong test bench see performs Loose mounts ones distort case tightened will kill performance engine regardless care taken manufacture can take several people World Championships saw engines pick up couple thou sand rpm run Henrys test bench Besides usual 140 mph models report other useful item Zinger 8A 6 prop think too small Fast Slow Com bat model works great turns full streamer thats really measure good prop props widely available cheaper lot other ones market Remem ber test props using full competi tion streamer both level flight through series maneuvers Heres what youve waiting MACA Top Twenty 1984 1 Larry Driskill Points 195 BOX 429SKTLANU N U NEWSPACESA FUEL CONTAINER RtInhwx 2x73IShIuhxq-l/8 Tough RIgId P*tbyhm IuchidesAITu1kg PI $1 stqe Fustners IwI 11kg though Cop North Products PO Box 18419 Cleveland Heights OH 44118 SOAR throUgh right own living room 2-hour psycho -sensual helicopter exploration Breathtaking music Critically acclaimed Details FREE VHSor BETA J5238 Beerger ProdutInn 3217 ArvilIe Las 2 Tom Fluker 3 Richard Stubblefield 4 Paul Smith 5 Chris Gay 6 Steve Kott 7 PeteAthans 8 Jerry Sabin 9 Don Cranfil 10 Bud Bodzioch 11 Al Jorgensen 12 Gary Bycrely Joe McKenzie 14 Phil Cartier 15 Bill Lajack 16 Ron Malcolm 17 Jeff Johnson 18 John Salvin III 19 Ed Brzys Don Holbrook 191 164 121 120 114 99 93 72 66 61 55 55 54 50 47 46 45 43 43 Charlie Johnson 3716 Ingraham San Diego CA 92109 St CL Navy Carrier/Perry Continued page 67 Bob Heywood Monty Greenly Ber nard Klien May mystery aircraft Miles M 38 Messenger An unlikely carrier air craft originally designed other 154 Model Aviation * SCALE DOCUMENTATION * SCALE DRAWINGSMODEL PLANS PHOTOS w BOOKS EPLA-TECH 1985 INTERNATIONAL AIRPLANE CATALOG oo MC KENZIE HWY $300VIDA OREGON 97488 OVALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquirleaCalalog 5O invited BLUE RIDGE MODELS. 28776 E U -a -a U -l 0 21 0 2 0 U S SUPER SALE Us 1W Id SiP y dy d y dd ffsd Th sat f hb hp R bh d hy pftsI Odush lAg .h-S k d 1 a.. AImy haIh d . douR SS h Sq. SiAN Jod II I3 h 4 a .ii hft y. ho ...d odoht Ad oogh. .fl R 0* S .gbhaSS9OS oy4hoINA adh 5p14s ETA VIII oho ddq CotIIhd dud. .oy .d * U COD VideoTech PO Box 1917-30086 Stone Mt. GA 30086 tmc GOLDEN GATE IsaE5 YS60$14816 YS 45$9685 ATLANTA$22275 OMEGA$20588 SIGMA$24550 ACRO STAR$16315 QUATRO4O$15061 EXCEED4O$15188 MK RETRACTS$4183 TETTRA WHEELS$513 DIGICON HORNS$105 IM SERVO MTS$164 PULL-PULL HDWR$346 PULL-PULL HORN$ 74 SEE OUR PRODUCTS AT ALAMEDA HOBBY 415 523-3980 SAN ANTONIO HOBBY 415 9411278 SEND $1 FOR CATALOG PO Box 4412 Burlingame CA 94010 TEL 415 467-3170 purposes later envisioned its designer means protecting shipping keeping submarines safe distance during daylight hours role operate 60-foot-square platform merchant ships using rockets take off arresting gear back-up net landing Successful trials carried out simulated deck later actual aircraft carrier concept adopted giving way helicopters escort carriers low-wing Messen ger well-proportioned Carrier large tailplane big flaps As Profile model wide fuselage would disadvantage months aircraft another plane like high wings tired MO-i Once again Ill select correct entries receive years mem bership Navy Carrier Society New Carrier contest will new Carrier contest East Coast sum mer put Norfolk Virginia Aeromodelers contest will held June 30 Oceana Naval Air Station will include AMA Carrier classes & II combined plus 15 Carrier separate Quiet Carrier event classes combined models equipped mufflers Navy has provided site has also offered money build deck will give tour Oceana flight line day contest would like look whats happen ing full-scale Navy Fly Navy East Symposium will held June 27-28 Virginia Beach Pavillion displays will open public 28th activities will include model Carrier demonstrations new deck Oceana site has playground picnic area 15 minutes ocean Virginia Beach plenty entire family plus opportunities fly five Carrier classes should great weekend Contest details can ob tained Lt Cam Martin 1540 Bridle Creek Blvd Virginia Beach VA 23464 phone 804 495-4777 unofficial 15-size Carrier event seems very popular areas being flown although has active fol lowing few areas based last years activities Perhaps event will ex pand year though contest listings available written didnt show new 15 Carrier events scheduled Denver rules published Pro file Dauntless article November 1984 Model Aviation seem reason ably well accepted starting point though local variations adapt event suit individual preferences clubs hold events Ive shown some photos 15 models based full-scale prototypes Such models seem popular though scale bonus points usually offered months photos shows George Liebs approach event hope color photograph repro duces well enough show details PFR/CM RADIO George uses large 210-sq-in model lot line sweep OPS 15 over come resulting drag has won four contests entered seems to consistently top 70 mph high-speed score limit High speed prob ably major factor Georges success Low-speed oscillatIon George writes problem has model oscillating side side low speed prob lem affects line tension throttle con trol Ive similar problem two models situation aggravated rearward leadout location heavy tip weightcharacteristics needed prophanging low-speed flight large vertical stabilizer has some reme dial effect dihedral sometimes ailerons seems make situation worse hard come firm con clusion configuration suscep tible oscillation models behave just like full-scale airplanes exception addi tional control input provided lines centrifugal force Line tension keeps some models manage able bizarre configurations use slow flight have rolled spun CL models line tension lost lines play big part As speed drops line tension decreases course restored until air plane established high-yaw highpower prop-hanging attitude prob lem occurs very near stall line tension least power change fre quently required wing angle attack lift drag rela tionship subject pronounced changes Power changes induce roll yaw move ments usually cause part wing stall turn causing roll yaw sometimes throttle movement along varying line tension really messes up works Its no-win situation best solution seems to keep throttle movements very smooth Dave Wallick runs engines quite rich idle engine cant produce burst power throttle opened also helps spend little time possible unstable transition region near stall Rapidly transition smooth level flight speed above stall fully-stalled attitude adding power smoothly adding Up elevator raise nose rapidly takes practice learn proper throttle setting hanging se quence timing elevator throttle inputs transitions can consistent oscillation-free helps practice launching model directly hang ing attitude about 450 nose up way hanging becomes familiar before tran sition attempted transition first time already know end result trying achieve new thing learn time Richard L Perry 7578 Vogels Way Springfield VA 22153 July1985 155 THE FIRST ANNUAL CONTROL EXPOSITION Sunnybrook Ballroom Rt 422 Pottstown PA 19464 September 13 14 15 1985 Friday rday ay part what will become largest Radio Control Exposition East Coast SHOWING MANUFACTURERS AND SHOPS TO DATE Octora Marine ebox Inc McDaniel RC be-F-Ught Valley Hobby Center o ite State RC Products Hyatt Hobby House S AMA SHOWING MEMBERS OF PFR/CM Exeter R/C Eagles R/C Flying Club Valley Forge Model Boat Society Keystone R/C Buc-Le Aero Sportsmen tate Helicopter Assoc Tn County Wing Snappers
Edition: Model Aviation - 1985/07
Page Numbers: 67, 154, 155
Control Line Naiy Carrier Dick Perry ner March mystery plane contest correctly identified Supermarine Type 322 Dumbo Other respondents correct answers Marc Warwashana Lonnie Cope Joe Wagner Frank Beatty Continued page 154 winner months Mystery Plane contest will drawn correct entries sent directly Dick Perry address given end column OOPS last column mistakenly listed 15-sized MO-i belonging Tom Welsh apologies Jim Welsh true owner Mystery Plane Cam Martin winMost 100-point landings rather routinebut onel Gene Daniels Class Skyralder caught arresting cable too near edge deck Subsequent gyrations shook hook loose SH Ringo plc George Liebs 15 CarrIer model win ner 0 PS 15 power provides high speeds above 70 mph cap Cam Martins Bearcat GS kit GS Bearcat Skyraider Corsair designed Profile Carrier event have out production long time very few can still found hobby shops July1985 67 ELECTEC EASEl & SAILPLANE SPECIALISTS 1981 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES FREE DEMONSTRATION FLIGHTS CiECK OUT AND/OR TEST FLIGHTS OF yOUR NEW PLANES CALL OR WRITE FOR FREE DESCRIPTIVE FLYER UPS 000 FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC OLDTIMER SPORT SCALE ERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEATURING ONLY STATE OF ThE ART ITEMS 0 r r U U S C 1 2 SI S C 2 slight disadvantage proposal would obsolete 36 far Competition use goes Availability lighter weight less power slowing down models usually cited reasons such change Any engine/model changes really affect less hundred national regional competitors no need worry local level can anything want long two can agree talked Jed Kusik other day before left new job working Henry Nelson Henrys engine busi ness has really turned big time Dont wait until week before Nation als Team Trials order engines though have orders hun dreds Chinese other people around world Henry wont sneer two-engine order will put line rest Jed said hes spent time doing work engines sent repair backlog should have cleared long before read Hes also sembling testing unit must meet very high standard before shipped theyre closely scrutinized find out theyre performing Jed said positioning liner case very critical tiny amount misalignment causes large drop power youre engine dis assembly opportunity should careful about liner positioning Head clearance also other major factor Most people run head down tighter until start popping plugs run up few thousandths Overcompressing seems major problems engines dont run up par Before complain about engine sure test-run very strong test bench see performs Loose mounts ones distort case tightened will kill performance engine regardless care taken manufacture can take several people World Championships saw engines pick up couple thou sand rpm run Henrys test bench Besides usual 140 mph models report other useful item Zinger 8A 6 prop think too small Fast Slow Com bat model works great turns full streamer thats really measure good prop props widely available cheaper lot other ones market Remem ber test props using full competi tion streamer both level flight through series maneuvers Heres what youve waiting MACA Top Twenty 1984 1 Larry Driskill Points 195 BOX 429SKTLANU N U NEWSPACESA FUEL CONTAINER RtInhwx 2x73IShIuhxq-l/8 Tough RIgId P*tbyhm IuchidesAITu1kg PI $1 stqe Fustners IwI 11kg though Cop North Products PO Box 18419 Cleveland Heights OH 44118 SOAR throUgh right own living room 2-hour psycho -sensual helicopter exploration Breathtaking music Critically acclaimed Details FREE VHSor BETA J5238 Beerger ProdutInn 3217 ArvilIe Las 2 Tom Fluker 3 Richard Stubblefield 4 Paul Smith 5 Chris Gay 6 Steve Kott 7 PeteAthans 8 Jerry Sabin 9 Don Cranfil 10 Bud Bodzioch 11 Al Jorgensen 12 Gary Bycrely Joe McKenzie 14 Phil Cartier 15 Bill Lajack 16 Ron Malcolm 17 Jeff Johnson 18 John Salvin III 19 Ed Brzys Don Holbrook 191 164 121 120 114 99 93 72 66 61 55 55 54 50 47 46 45 43 43 Charlie Johnson 3716 Ingraham San Diego CA 92109 St CL Navy Carrier/Perry Continued page 67 Bob Heywood Monty Greenly Ber nard Klien May mystery aircraft Miles M 38 Messenger An unlikely carrier air craft originally designed other 154 Model Aviation * SCALE DOCUMENTATION * SCALE DRAWINGSMODEL PLANS PHOTOS w BOOKS EPLA-TECH 1985 INTERNATIONAL AIRPLANE CATALOG oo MC KENZIE HWY $300VIDA OREGON 97488 OVALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquirleaCalalog 5O invited BLUE RIDGE MODELS. 28776 E U -a -a U -l 0 21 0 2 0 U S SUPER SALE Us 1W Id SiP y dy d y dd ffsd Th sat f hb hp R bh d hy pftsI Odush lAg .h-S k d 1 a.. AImy haIh d . douR SS h Sq. SiAN Jod II I3 h 4 a .ii hft y. ho ...d odoht Ad oogh. .fl R 0* S .gbhaSS9OS oy4hoINA adh 5p14s ETA VIII oho ddq CotIIhd dud. .oy .d * U COD VideoTech PO Box 1917-30086 Stone Mt. GA 30086 tmc GOLDEN GATE IsaE5 YS60$14816 YS 45$9685 ATLANTA$22275 OMEGA$20588 SIGMA$24550 ACRO STAR$16315 QUATRO4O$15061 EXCEED4O$15188 MK RETRACTS$4183 TETTRA WHEELS$513 DIGICON HORNS$105 IM SERVO MTS$164 PULL-PULL HDWR$346 PULL-PULL HORN$ 74 SEE OUR PRODUCTS AT ALAMEDA HOBBY 415 523-3980 SAN ANTONIO HOBBY 415 9411278 SEND $1 FOR CATALOG PO Box 4412 Burlingame CA 94010 TEL 415 467-3170 purposes later envisioned its designer means protecting shipping keeping submarines safe distance during daylight hours role operate 60-foot-square platform merchant ships using rockets take off arresting gear back-up net landing Successful trials carried out simulated deck later actual aircraft carrier concept adopted giving way helicopters escort carriers low-wing Messen ger well-proportioned Carrier large tailplane big flaps As Profile model wide fuselage would disadvantage months aircraft another plane like high wings tired MO-i Once again Ill select correct entries receive years mem bership Navy Carrier Society New Carrier contest will new Carrier contest East Coast sum mer put Norfolk Virginia Aeromodelers contest will held June 30 Oceana Naval Air Station will include AMA Carrier classes & II combined plus 15 Carrier separate Quiet Carrier event classes combined models equipped mufflers Navy has provided site has also offered money build deck will give tour Oceana flight line day contest would like look whats happen ing full-scale Navy Fly Navy East Symposium will held June 27-28 Virginia Beach Pavillion displays will open public 28th activities will include model Carrier demonstrations new deck Oceana site has playground picnic area 15 minutes ocean Virginia Beach plenty entire family plus opportunities fly five Carrier classes should great weekend Contest details can ob tained Lt Cam Martin 1540 Bridle Creek Blvd Virginia Beach VA 23464 phone 804 495-4777 unofficial 15-size Carrier event seems very popular areas being flown although has active fol lowing few areas based last years activities Perhaps event will ex pand year though contest listings available written didnt show new 15 Carrier events scheduled Denver rules published Pro file Dauntless article November 1984 Model Aviation seem reason ably well accepted starting point though local variations adapt event suit individual preferences clubs hold events Ive shown some photos 15 models based full-scale prototypes Such models seem popular though scale bonus points usually offered months photos shows George Liebs approach event hope color photograph repro duces well enough show details PFR/CM RADIO George uses large 210-sq-in model lot line sweep OPS 15 over come resulting drag has won four contests entered seems to consistently top 70 mph high-speed score limit High speed prob ably major factor Georges success Low-speed oscillatIon George writes problem has model oscillating side side low speed prob lem affects line tension throttle con trol Ive similar problem two models situation aggravated rearward leadout location heavy tip weightcharacteristics needed prophanging low-speed flight large vertical stabilizer has some reme dial effect dihedral sometimes ailerons seems make situation worse hard come firm con clusion configuration suscep tible oscillation models behave just like full-scale airplanes exception addi tional control input provided lines centrifugal force Line tension keeps some models manage able bizarre configurations use slow flight have rolled spun CL models line tension lost lines play big part As speed drops line tension decreases course restored until air plane established high-yaw highpower prop-hanging attitude prob lem occurs very near stall line tension least power change fre quently required wing angle attack lift drag rela tionship subject pronounced changes Power changes induce roll yaw move ments usually cause part wing stall turn causing roll yaw sometimes throttle movement along varying line tension really messes up works Its no-win situation best solution seems to keep throttle movements very smooth Dave Wallick runs engines quite rich idle engine cant produce burst power throttle opened also helps spend little time possible unstable transition region near stall Rapidly transition smooth level flight speed above stall fully-stalled attitude adding power smoothly adding Up elevator raise nose rapidly takes practice learn proper throttle setting hanging se quence timing elevator throttle inputs transitions can consistent oscillation-free helps practice launching model directly hang ing attitude about 450 nose up way hanging becomes familiar before tran sition attempted transition first time already know end result trying achieve new thing learn time Richard L Perry 7578 Vogels Way Springfield VA 22153 July1985 155 THE FIRST ANNUAL CONTROL EXPOSITION Sunnybrook Ballroom Rt 422 Pottstown PA 19464 September 13 14 15 1985 Friday rday ay part what will become largest Radio Control Exposition East Coast SHOWING MANUFACTURERS AND SHOPS TO DATE Octora Marine ebox Inc McDaniel RC be-F-Ught Valley Hobby Center o ite State RC Products Hyatt Hobby House S AMA SHOWING MEMBERS OF PFR/CM Exeter R/C Eagles R/C Flying Club Valley Forge Model Boat Society Keystone R/C Buc-Le Aero Sportsmen tate Helicopter Assoc Tn County Wing Snappers
Edition: Model Aviation - 1985/07
Page Numbers: 67, 154, 155
Control Line Naiy Carrier Dick Perry ner March mystery plane contest correctly identified Supermarine Type 322 Dumbo Other respondents correct answers Marc Warwashana Lonnie Cope Joe Wagner Frank Beatty Continued page 154 winner months Mystery Plane contest will drawn correct entries sent directly Dick Perry address given end column OOPS last column mistakenly listed 15-sized MO-i belonging Tom Welsh apologies Jim Welsh true owner Mystery Plane Cam Martin winMost 100-point landings rather routinebut onel Gene Daniels Class Skyralder caught arresting cable too near edge deck Subsequent gyrations shook hook loose SH Ringo plc George Liebs 15 CarrIer model win ner 0 PS 15 power provides high speeds above 70 mph cap Cam Martins Bearcat GS kit GS Bearcat Skyraider Corsair designed Profile Carrier event have out production long time very few can still found hobby shops July1985 67 ELECTEC EASEl & SAILPLANE SPECIALISTS 1981 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES FREE DEMONSTRATION FLIGHTS CiECK OUT AND/OR TEST FLIGHTS OF yOUR NEW PLANES CALL OR WRITE FOR FREE DESCRIPTIVE FLYER UPS 000 FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC OLDTIMER SPORT SCALE ERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEATURING ONLY STATE OF ThE ART ITEMS 0 r r U U S C 1 2 SI S C 2 slight disadvantage proposal would obsolete 36 far Competition use goes Availability lighter weight less power slowing down models usually cited reasons such change Any engine/model changes really affect less hundred national regional competitors no need worry local level can anything want long two can agree talked Jed Kusik other day before left new job working Henry Nelson Henrys engine busi ness has really turned big time Dont wait until week before Nation als Team Trials order engines though have orders hun dreds Chinese other people around world Henry wont sneer two-engine order will put line rest Jed said hes spent time doing work engines sent repair backlog should have cleared long before read Hes also sembling testing unit must meet very high standard before shipped theyre closely scrutinized find out theyre performing Jed said positioning liner case very critical tiny amount misalignment causes large drop power youre engine dis assembly opportunity should careful about liner positioning Head clearance also other major factor Most people run head down tighter until start popping plugs run up few thousandths Overcompressing seems major problems engines dont run up par Before complain about engine sure test-run very strong test bench see performs Loose mounts ones distort case tightened will kill performance engine regardless care taken manufacture can take several people World Championships saw engines pick up couple thou sand rpm run Henrys test bench Besides usual 140 mph models report other useful item Zinger 8A 6 prop think too small Fast Slow Com bat model works great turns full streamer thats really measure good prop props widely available cheaper lot other ones market Remem ber test props using full competi tion streamer both level flight through series maneuvers Heres what youve waiting MACA Top Twenty 1984 1 Larry Driskill Points 195 BOX 429SKTLANU N U NEWSPACESA FUEL CONTAINER RtInhwx 2x73IShIuhxq-l/8 Tough RIgId P*tbyhm IuchidesAITu1kg PI $1 stqe Fustners IwI 11kg though Cop North Products PO Box 18419 Cleveland Heights OH 44118 SOAR throUgh right own living room 2-hour psycho -sensual helicopter exploration Breathtaking music Critically acclaimed Details FREE VHSor BETA J5238 Beerger ProdutInn 3217 ArvilIe Las 2 Tom Fluker 3 Richard Stubblefield 4 Paul Smith 5 Chris Gay 6 Steve Kott 7 PeteAthans 8 Jerry Sabin 9 Don Cranfil 10 Bud Bodzioch 11 Al Jorgensen 12 Gary Bycrely Joe McKenzie 14 Phil Cartier 15 Bill Lajack 16 Ron Malcolm 17 Jeff Johnson 18 John Salvin III 19 Ed Brzys Don Holbrook 191 164 121 120 114 99 93 72 66 61 55 55 54 50 47 46 45 43 43 Charlie Johnson 3716 Ingraham San Diego CA 92109 St CL Navy Carrier/Perry Continued page 67 Bob Heywood Monty Greenly Ber nard Klien May mystery aircraft Miles M 38 Messenger An unlikely carrier air craft originally designed other 154 Model Aviation * SCALE DOCUMENTATION * SCALE DRAWINGSMODEL PLANS PHOTOS w BOOKS EPLA-TECH 1985 INTERNATIONAL AIRPLANE CATALOG oo MC KENZIE HWY $300VIDA OREGON 97488 OVALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquirleaCalalog 5O invited BLUE RIDGE MODELS. 28776 E U -a -a U -l 0 21 0 2 0 U S SUPER SALE Us 1W Id SiP y dy d y dd ffsd Th sat f hb hp R bh d hy pftsI Odush lAg .h-S k d 1 a.. AImy haIh d . douR SS h Sq. SiAN Jod II I3 h 4 a .ii hft y. ho ...d odoht Ad oogh. .fl R 0* S .gbhaSS9OS oy4hoINA adh 5p14s ETA VIII oho ddq CotIIhd dud. .oy .d * U COD VideoTech PO Box 1917-30086 Stone Mt. GA 30086 tmc GOLDEN GATE IsaE5 YS60$14816 YS 45$9685 ATLANTA$22275 OMEGA$20588 SIGMA$24550 ACRO STAR$16315 QUATRO4O$15061 EXCEED4O$15188 MK RETRACTS$4183 TETTRA WHEELS$513 DIGICON HORNS$105 IM SERVO MTS$164 PULL-PULL HDWR$346 PULL-PULL HORN$ 74 SEE OUR PRODUCTS AT ALAMEDA HOBBY 415 523-3980 SAN ANTONIO HOBBY 415 9411278 SEND $1 FOR CATALOG PO Box 4412 Burlingame CA 94010 TEL 415 467-3170 purposes later envisioned its designer means protecting shipping keeping submarines safe distance during daylight hours role operate 60-foot-square platform merchant ships using rockets take off arresting gear back-up net landing Successful trials carried out simulated deck later actual aircraft carrier concept adopted giving way helicopters escort carriers low-wing Messen ger well-proportioned Carrier large tailplane big flaps As Profile model wide fuselage would disadvantage months aircraft another plane like high wings tired MO-i Once again Ill select correct entries receive years mem bership Navy Carrier Society New Carrier contest will new Carrier contest East Coast sum mer put Norfolk Virginia Aeromodelers contest will held June 30 Oceana Naval Air Station will include AMA Carrier classes & II combined plus 15 Carrier separate Quiet Carrier event classes combined models equipped mufflers Navy has provided site has also offered money build deck will give tour Oceana flight line day contest would like look whats happen ing full-scale Navy Fly Navy East Symposium will held June 27-28 Virginia Beach Pavillion displays will open public 28th activities will include model Carrier demonstrations new deck Oceana site has playground picnic area 15 minutes ocean Virginia Beach plenty entire family plus opportunities fly five Carrier classes should great weekend Contest details can ob tained Lt Cam Martin 1540 Bridle Creek Blvd Virginia Beach VA 23464 phone 804 495-4777 unofficial 15-size Carrier event seems very popular areas being flown although has active fol lowing few areas based last years activities Perhaps event will ex pand year though contest listings available written didnt show new 15 Carrier events scheduled Denver rules published Pro file Dauntless article November 1984 Model Aviation seem reason ably well accepted starting point though local variations adapt event suit individual preferences clubs hold events Ive shown some photos 15 models based full-scale prototypes Such models seem popular though scale bonus points usually offered months photos shows George Liebs approach event hope color photograph repro duces well enough show details PFR/CM RADIO George uses large 210-sq-in model lot line sweep OPS 15 over come resulting drag has won four contests entered seems to consistently top 70 mph high-speed score limit High speed prob ably major factor Georges success Low-speed oscillatIon George writes problem has model oscillating side side low speed prob lem affects line tension throttle con trol Ive similar problem two models situation aggravated rearward leadout location heavy tip weightcharacteristics needed prophanging low-speed flight large vertical stabilizer has some reme dial effect dihedral sometimes ailerons seems make situation worse hard come firm con clusion configuration suscep tible oscillation models behave just like full-scale airplanes exception addi tional control input provided lines centrifugal force Line tension keeps some models manage able bizarre configurations use slow flight have rolled spun CL models line tension lost lines play big part As speed drops line tension decreases course restored until air plane established high-yaw highpower prop-hanging attitude prob lem occurs very near stall line tension least power change fre quently required wing angle attack lift drag rela tionship subject pronounced changes Power changes induce roll yaw move ments usually cause part wing stall turn causing roll yaw sometimes throttle movement along varying line tension really messes up works Its no-win situation best solution seems to keep throttle movements very smooth Dave Wallick runs engines quite rich idle engine cant produce burst power throttle opened also helps spend little time possible unstable transition region near stall Rapidly transition smooth level flight speed above stall fully-stalled attitude adding power smoothly adding Up elevator raise nose rapidly takes practice learn proper throttle setting hanging se quence timing elevator throttle inputs transitions can consistent oscillation-free helps practice launching model directly hang ing attitude about 450 nose up way hanging becomes familiar before tran sition attempted transition first time already know end result trying achieve new thing learn time Richard L Perry 7578 Vogels Way Springfield VA 22153 July1985 155 THE FIRST ANNUAL CONTROL EXPOSITION Sunnybrook Ballroom Rt 422 Pottstown PA 19464 September 13 14 15 1985 Friday rday ay part what will become largest Radio Control Exposition East Coast SHOWING MANUFACTURERS AND SHOPS TO DATE Octora Marine ebox Inc McDaniel RC be-F-Ught Valley Hobby Center o ite State RC Products Hyatt Hobby House S AMA SHOWING MEMBERS OF PFR/CM Exeter R/C Eagles R/C Flying Club Valley Forge Model Boat Society Keystone R/C Buc-Le Aero Sportsmen tate Helicopter Assoc Tn County Wing Snappers