NO OCR TEXT stunning pyrotechnic displays Hornet has just attacked Zero Mustang gives chase Downpours cant dampen spirits Byron Expo 93 IDA GROVE IOWA home Byron Godbersen industrialist founder modeling products bear name 1982 Byrons inventive mind spawned idea using portion considerable estate mammoth RC show course would special flying site hard runway other full-scale airport amenities just modelers invitational Byron envisioned diversified aviation festival brimming such features full-scale air show action-packed modeling drama recalling phases World War LI Pacific ory Sea Edward R Murrow dubbed spectacular video furious bombardment /5-scale replica US-held island base set mini-ocean has thrilled viewers nationwide say Byrons event success would gross understatement Byron Expo its 1/5 Airforce grew bigger sophisticated year Byrons chief impresario friend Joe Schumacher full-scale aerobatic pilot super organizer turned Byrons visions reality create simulation Byrons modeling engineers built such notfor-sale models B-24 B-17 B-29 30-foot wing also built some mini ocean-going PT boats quartet self-propelled Sherman tanks adult driver could just barely squeeze addition built two aircraft carriers scale version USS Hornet Japanese flattop miniature island fuel storage complex served railroad tanker cars adjacent island Mt Surabachi completed Pacific landscape war simulation comes life Expo day 45 minutes Over pa system eavesdrop Japanese attack plan see first 1/5 scale Byron Zero overflying Hornet Soon hell breaks loose bomb explosions reverberate across packed bleachers Huge fire spouts signal Japanese hits heavy attack fire heard Japanese fiattop moves behind island Now American /s scale Airforce goes work 72 Model Aviation * Approximately 1/3 presently Co nst ru cted bleachers will added next years Expo Byron P-S Corsairs Thunderbolts Helicats Warhawks well B-25s hunt Rising Sun navy Pretty soon water around flattop blazing inferno superb narrator Jerry Schumacher reminds audience war seems spectacular audience seated safely bleachers real war living hell resulting physical psychological damage Striking Backs purpose certainly glorify war May show serve reminder terrible war can mass destruction can averted Isnt warfare ultimate proof man own worst enemy After brief lull mock battle gigantic B-29 streaks down runway ever gracefully lifts air Some us might remember August 6 1945 Enola Gay sent Hiroshima never-to-be-forgotten consequences As Byron B-29 circles behind Hornet massive explosion thunders across battle scene simulating fatal mushroom cloud smoke clears five decorated former Marines erect Old Glory atop simulated Mount Surabachi introduced reminded Byron Godbersen himself served paratrooper first saw stirring show Ida Grove 1987 required two pilots separate RC transmitters fly B-29 Modem 10-channel technology has made possible just very skilled pilot control mammoth model During last couple packed Byron Extravaganzas need site accessible expanding modeling fraternity became evident Ida Grove 1991 Mr Godbersen decided allow set moved Byron Originals continuing part sponsors Byrons stipulation new site remain February 1994 73 Christen Eagle Bob Snyder Sukhoi John Dalton Beech D-18 Al Ward DC-3 exemplifies quality models Byron Expo Iowa course Joe Schumacher would carry shows general manager no show 1992 due site search efforts financial backing pursuits Because convention-like economic impact hosting communities understandable competition Joe Schumacher choose Ankeny Des Moines suburb formed nonprofit corporation representing local government business interests Joe planned 1993 opening until rains came Midwest trip Des Moines could see problems Joe encountered lakes maps showed could see neat rows semi-drowned seedlings popping up through surface Joe told us escorted trailers special permits haul 24-foot wide sections flattops across 175 miles Iowa roads After arriving new Expo site took D-8 bulldozers spot trailers soggy soil could unloaded way Joe talked models could almost have floated off trailers know feeling car became mired swampy parking field pulled out good Samaritan refused accept towing fees course 1993 August opening date targeted months advance Program literature also showing yet-tobe-completed Polk County airport adjacent Expo site already distributed WRAM Toledo trade shows Air show performers officials exhibitors concessionaires army employees volunteers sorted out computer printouts probably Expo items remained dry So four weeks before opening day concerned Joe called directors meeting announce battle seemed hopeless recommend 1993 show scrubbed No way said directors show must go reserves brought Polk County officials unleashed countys construction vehicles reinforced local contractors rain stayed away just long enough let concrete poured bleachers runway ten days before ribbon-cutting Opening day dawned everybodys hopes sky high Caravans RVs managed park Expo began following night gang cumulonimbus clouds did its dirty work soaking rain Thursday caused entire show cancelled An indomitable Joe became road-maintenance chief hired trucks road graders workuntil-you-finish basis clouds accommodatingly stayed away Friday 13th Expo day number three crowds motored thousands fly-your-own periods Texan pylon races air show Striking Back pageant came off about hour late May add superblyhandled transmitter impound resulted zero radio casualties Some spectators including myself caught audio portion Striking Back battle Reason beyond line sight next parked mud-mired conveyances Again Joe super-willing staff mastered moment enlisting halfContinued page 106 74 Model Aviation props separate flying times scheduled dayThe Junior Airforce ready AMA FAA licenses Flight line management efficientrequired up-and-coming pilots B-29 Enola Gay takes off re-enacts final phase WW II #101 Extra Hands below Makes covering easy #401 Digger left Easiest use hinging tool available $335 ELDON J LIND COMPANY 3151 Caravelle Lake Havasu City AZ 86406 602 453-7970 Send self-addressed stamped envelope br catalog products MIC & Visa accepted Smoke/Berman Continued paqe 74 dozen AT V-type tow vehicles extricate stranded though task lasted well evening hours surely good bath later involved sunny Saturday morning gave RC modelers plenty flying time Genial Jim Van Loo intrepid model aviation activist perfect announcer Jim past president IMAA just about models brought Aviation Expo 375 registered pilots biggies Jim knows talk pilots retired FAA controller went model kit manufacturing business RC Extras Now Jim really retired purely enjoys comradeship rest us modelers May add feeling mutual Toward noon sky darkened ominously expected repeat recent Iowa rain scenario after brief shower sun beamed kindly rest days Expo activities except parking plan Joe wanted no repeat Friday 13th 50 arranged detour vehicles dry schoolyard few miles away convoy quickly-recruited school buses delivered visitors Expo site local constabulary entered festival spirit tagging hundreds fourwheelers parked along access roads byways Much flying superb chap named Bubba Spivey really put Lanier Stinger through its paces lomcevaks Ace four-man team doing fancy formation maneuvers Big Bingos Don Muddimans Cloud Dancers usual took model flying edge Dons fantastic 40-size Flying Machine probably smallest model Expo gyrated around sky though possessed demons miraculously landed intact purposely deadsticked half-a-dozen RC parachutists plummeted twin-engine RC model SEA CRUISER AVAILABLE IN TWO SIZES 59 Wingspan 40 51 PWR $9895 49 Wingspan 20 28 PWR $6995 Outperforms Most 40 Sizes EASY BUILDING TH FLYING KITS FEATURE Cut/Sanded Parts Complete Hardware Package Rolled Plans Semi-Symmetrical Airfoil Step Step Instructions Photos Requires Standard 4 Oh Radio mothership landing controllers arms spite stiff crosswind Full-scale airshows always favorite crowds Des Moines Aviation Expo something like nine-course menu least three parachute clubs jumped about 20 chutists landing skateboard strapped feet Others colored smoke canisters draped beneath stirring sight 25-foot American flag unfurled tow chute-harnessed drum major Liberty Parachute Team nostalgia full-scale biplanes perpetuated Expo Christen Eagles trio precision aerobatic pilots constantly flirt midairs during routine Twenty-two years surviving antics ought make eligible some sort life insurance Mighty Mouse would have appropriate moniker BD-5J microjet flown Bill Beardsley Spectators blinked would have missed seeing mini-missile Interestingly Bills dad announcer Bills act included radio patch cockpit PA system P-41 Mustang General Regis Urschler comedy Cub routine Captain Jim Mynning performance Otto clown $160000 worth helicopter added crowds entertainment Otto could dump pick up highway safety barrels getting out cockpit course Civilian-plus-aerobatic-pilot ace Clint McHenry really thrashed miracle Russian stunt bird Sukhoi 26M Clint 67 years old centrifuge-like gravity forces dont seem effect bloodstream 1988 first met Clint International Aerobatic Competition Red Deer Alberta American teammate Henry Haigh flying Extra 230s Russians three Sukhoi also lost American team So bill Sukhoi worlds potent aerobatic plane radial nine versus flat six Continued page 114 HANGAR DESIGNS ORDER YOURS TODAY SEND TO 2 Raccoon Court Include $500 S & H Kit Jacksonville AR 72076 Check MO-US Funds COD $400 Extra INFO 501 834-8177 Send SASE 106 Model Aviation ______________________________________________________ ____________________________________ I SERIOUS MODEL BUILDERS Build entire basic assembly before gluing tast easy accurate straight Without access #5GM- $10885 access #5005 $191A0 *ZUZ Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 NEED RIC AccEssoRiEs FLY TO HITEc RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# NILi 6 Buffered Y harness 7354# Li 12 Aileron Extension 7345# 24 Aileron Extension 7346# 6 Buffered Servo Coan 7356# LIJiiz 9 Male Servo Coan 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 7215# Please specify connector type orderi ng Part #followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 619 258-4940 Smoke/Berman Continued paqe 106 maybe Sukhoi isnt midwing design Sig Manufacturing deserving special kudos Aces collaboration buddy-corded radios set up two nocharge flying lesson sites radio control control line queues both sites mostly young aspirants better perpetuate hobby Sundays final show came off cloudbursts Joe Schumacher now has 111/2 months complete construction dry out otherwise superlative Expo site Also North East Polk County airport have able accept air-traveling Expo visitors year will able more-settled Expo opens its gates again next August third though seventh Without doubt aeromodeling all-encompassing hobbies Its elements include sophisticated aeronautical design handcrafting highest level operating skills application exceeding professionals competition dozen affiliated categories technical involvement mechanical electrical radio devices useful applications non-hobby world Depending far ones interests reach can administrative participation affairs 160000member fraternity scrimmaging flying space under sun prominent hobby has distinguished catalysts such late Carl Goldberg Byron Godbersen such catalyst deserves respect appreciation also pioneering ideas Giant Scale models propulsion understand Byron surely eligible subscriber Modem Maturity has health problems recent years May behalf modelers extend best wishes continued progress toward full recovery oaring/Blakeslee Continued page 87 Fuselage Research full-scale sailplane fuselage design shows proper nose curvature can greatly reduce fuselage drag cruise thermal flight modes same principles applied Opus 750 Substantial nose drop alleviates flow separation leadingedge wing root thermal flight mode Extensive juncture fillets around wing/ body intersection bowing tailboom low cross-sectional area fuselage servos mounted line ensure lowest possible fuselage drag conventional configuration Note nose droop has practical dividend landing nose droop prevents flaps coming direct contact groundworry no about stripping servo gears Tiplets Wingtips Tiplets derivative Schuemann planform incorporated improved handling Tiplets also improve behavior laminar separation bubble Specifically low Reynolds numbers tiplet sweepback case leading edge sweepback trailing edge no sweepback confines large areas laminar separation tip regions preventing laminar separation bubble migrating inboard increasing bubble size over main wing panel Low-loss sharp-edged wingtips employed increase effective span improved launch climb performance over sailplanes conventional rounded tips noticeable Stabilator stabilator planform Opus 750 designed increase effective moment corresponding increase fuselage tail boom length its associated weight nose counterweight effective moment increase achieved employing Continued page 120 FUN WITH FREE FLIGHT SPORT&$1095 SCALEPLANES95 mer made rubber ower FLYING ACES MOTH 24 nch wingspan easily adaptable o smauesectricPRAIRIE BIRD embryo l6inch wingspan$1095 O NITE 28 P-30 28 inch wingspan suitable CO2 walnut scale 17/ inch winsnan SEND FOR OUR FULL CATALOG Uoo 4 DahD*Iakamn PO Box 710399-MA SANTEE CA 92072-0399 i U~WIq-VqyfqqqTEL 619 448-1818FAX 619 448-1833 114 Model Aviation
Edition: Model Aviation - 1994/02
Page Numbers: 71, 72, 73, 74, 106, 114
NO OCR TEXT stunning pyrotechnic displays Hornet has just attacked Zero Mustang gives chase Downpours cant dampen spirits Byron Expo 93 IDA GROVE IOWA home Byron Godbersen industrialist founder modeling products bear name 1982 Byrons inventive mind spawned idea using portion considerable estate mammoth RC show course would special flying site hard runway other full-scale airport amenities just modelers invitational Byron envisioned diversified aviation festival brimming such features full-scale air show action-packed modeling drama recalling phases World War LI Pacific ory Sea Edward R Murrow dubbed spectacular video furious bombardment /5-scale replica US-held island base set mini-ocean has thrilled viewers nationwide say Byrons event success would gross understatement Byron Expo its 1/5 Airforce grew bigger sophisticated year Byrons chief impresario friend Joe Schumacher full-scale aerobatic pilot super organizer turned Byrons visions reality create simulation Byrons modeling engineers built such notfor-sale models B-24 B-17 B-29 30-foot wing also built some mini ocean-going PT boats quartet self-propelled Sherman tanks adult driver could just barely squeeze addition built two aircraft carriers scale version USS Hornet Japanese flattop miniature island fuel storage complex served railroad tanker cars adjacent island Mt Surabachi completed Pacific landscape war simulation comes life Expo day 45 minutes Over pa system eavesdrop Japanese attack plan see first 1/5 scale Byron Zero overflying Hornet Soon hell breaks loose bomb explosions reverberate across packed bleachers Huge fire spouts signal Japanese hits heavy attack fire heard Japanese fiattop moves behind island Now American /s scale Airforce goes work 72 Model Aviation * Approximately 1/3 presently Co nst ru cted bleachers will added next years Expo Byron P-S Corsairs Thunderbolts Helicats Warhawks well B-25s hunt Rising Sun navy Pretty soon water around flattop blazing inferno superb narrator Jerry Schumacher reminds audience war seems spectacular audience seated safely bleachers real war living hell resulting physical psychological damage Striking Backs purpose certainly glorify war May show serve reminder terrible war can mass destruction can averted Isnt warfare ultimate proof man own worst enemy After brief lull mock battle gigantic B-29 streaks down runway ever gracefully lifts air Some us might remember August 6 1945 Enola Gay sent Hiroshima never-to-be-forgotten consequences As Byron B-29 circles behind Hornet massive explosion thunders across battle scene simulating fatal mushroom cloud smoke clears five decorated former Marines erect Old Glory atop simulated Mount Surabachi introduced reminded Byron Godbersen himself served paratrooper first saw stirring show Ida Grove 1987 required two pilots separate RC transmitters fly B-29 Modem 10-channel technology has made possible just very skilled pilot control mammoth model During last couple packed Byron Extravaganzas need site accessible expanding modeling fraternity became evident Ida Grove 1991 Mr Godbersen decided allow set moved Byron Originals continuing part sponsors Byrons stipulation new site remain February 1994 73 Christen Eagle Bob Snyder Sukhoi John Dalton Beech D-18 Al Ward DC-3 exemplifies quality models Byron Expo Iowa course Joe Schumacher would carry shows general manager no show 1992 due site search efforts financial backing pursuits Because convention-like economic impact hosting communities understandable competition Joe Schumacher choose Ankeny Des Moines suburb formed nonprofit corporation representing local government business interests Joe planned 1993 opening until rains came Midwest trip Des Moines could see problems Joe encountered lakes maps showed could see neat rows semi-drowned seedlings popping up through surface Joe told us escorted trailers special permits haul 24-foot wide sections flattops across 175 miles Iowa roads After arriving new Expo site took D-8 bulldozers spot trailers soggy soil could unloaded way Joe talked models could almost have floated off trailers know feeling car became mired swampy parking field pulled out good Samaritan refused accept towing fees course 1993 August opening date targeted months advance Program literature also showing yet-tobe-completed Polk County airport adjacent Expo site already distributed WRAM Toledo trade shows Air show performers officials exhibitors concessionaires army employees volunteers sorted out computer printouts probably Expo items remained dry So four weeks before opening day concerned Joe called directors meeting announce battle seemed hopeless recommend 1993 show scrubbed No way said directors show must go reserves brought Polk County officials unleashed countys construction vehicles reinforced local contractors rain stayed away just long enough let concrete poured bleachers runway ten days before ribbon-cutting Opening day dawned everybodys hopes sky high Caravans RVs managed park Expo began following night gang cumulonimbus clouds did its dirty work soaking rain Thursday caused entire show cancelled An indomitable Joe became road-maintenance chief hired trucks road graders workuntil-you-finish basis clouds accommodatingly stayed away Friday 13th Expo day number three crowds motored thousands fly-your-own periods Texan pylon races air show Striking Back pageant came off about hour late May add superblyhandled transmitter impound resulted zero radio casualties Some spectators including myself caught audio portion Striking Back battle Reason beyond line sight next parked mud-mired conveyances Again Joe super-willing staff mastered moment enlisting halfContinued page 106 74 Model Aviation props separate flying times scheduled dayThe Junior Airforce ready AMA FAA licenses Flight line management efficientrequired up-and-coming pilots B-29 Enola Gay takes off re-enacts final phase WW II #101 Extra Hands below Makes covering easy #401 Digger left Easiest use hinging tool available $335 ELDON J LIND COMPANY 3151 Caravelle Lake Havasu City AZ 86406 602 453-7970 Send self-addressed stamped envelope br catalog products MIC & Visa accepted Smoke/Berman Continued paqe 74 dozen AT V-type tow vehicles extricate stranded though task lasted well evening hours surely good bath later involved sunny Saturday morning gave RC modelers plenty flying time Genial Jim Van Loo intrepid model aviation activist perfect announcer Jim past president IMAA just about models brought Aviation Expo 375 registered pilots biggies Jim knows talk pilots retired FAA controller went model kit manufacturing business RC Extras Now Jim really retired purely enjoys comradeship rest us modelers May add feeling mutual Toward noon sky darkened ominously expected repeat recent Iowa rain scenario after brief shower sun beamed kindly rest days Expo activities except parking plan Joe wanted no repeat Friday 13th 50 arranged detour vehicles dry schoolyard few miles away convoy quickly-recruited school buses delivered visitors Expo site local constabulary entered festival spirit tagging hundreds fourwheelers parked along access roads byways Much flying superb chap named Bubba Spivey really put Lanier Stinger through its paces lomcevaks Ace four-man team doing fancy formation maneuvers Big Bingos Don Muddimans Cloud Dancers usual took model flying edge Dons fantastic 40-size Flying Machine probably smallest model Expo gyrated around sky though possessed demons miraculously landed intact purposely deadsticked half-a-dozen RC parachutists plummeted twin-engine RC model SEA CRUISER AVAILABLE IN TWO SIZES 59 Wingspan 40 51 PWR $9895 49 Wingspan 20 28 PWR $6995 Outperforms Most 40 Sizes EASY BUILDING TH FLYING KITS FEATURE Cut/Sanded Parts Complete Hardware Package Rolled Plans Semi-Symmetrical Airfoil Step Step Instructions Photos Requires Standard 4 Oh Radio mothership landing controllers arms spite stiff crosswind Full-scale airshows always favorite crowds Des Moines Aviation Expo something like nine-course menu least three parachute clubs jumped about 20 chutists landing skateboard strapped feet Others colored smoke canisters draped beneath stirring sight 25-foot American flag unfurled tow chute-harnessed drum major Liberty Parachute Team nostalgia full-scale biplanes perpetuated Expo Christen Eagles trio precision aerobatic pilots constantly flirt midairs during routine Twenty-two years surviving antics ought make eligible some sort life insurance Mighty Mouse would have appropriate moniker BD-5J microjet flown Bill Beardsley Spectators blinked would have missed seeing mini-missile Interestingly Bills dad announcer Bills act included radio patch cockpit PA system P-41 Mustang General Regis Urschler comedy Cub routine Captain Jim Mynning performance Otto clown $160000 worth helicopter added crowds entertainment Otto could dump pick up highway safety barrels getting out cockpit course Civilian-plus-aerobatic-pilot ace Clint McHenry really thrashed miracle Russian stunt bird Sukhoi 26M Clint 67 years old centrifuge-like gravity forces dont seem effect bloodstream 1988 first met Clint International Aerobatic Competition Red Deer Alberta American teammate Henry Haigh flying Extra 230s Russians three Sukhoi also lost American team So bill Sukhoi worlds potent aerobatic plane radial nine versus flat six Continued page 114 HANGAR DESIGNS ORDER YOURS TODAY SEND TO 2 Raccoon Court Include $500 S & H Kit Jacksonville AR 72076 Check MO-US Funds COD $400 Extra INFO 501 834-8177 Send SASE 106 Model Aviation ______________________________________________________ ____________________________________ I SERIOUS MODEL BUILDERS Build entire basic assembly before gluing tast easy accurate straight Without access #5GM- $10885 access #5005 $191A0 *ZUZ Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 NEED RIC AccEssoRiEs FLY TO HITEc RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# NILi 6 Buffered Y harness 7354# Li 12 Aileron Extension 7345# 24 Aileron Extension 7346# 6 Buffered Servo Coan 7356# LIJiiz 9 Male Servo Coan 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 7215# Please specify connector type orderi ng Part #followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 619 258-4940 Smoke/Berman Continued paqe 106 maybe Sukhoi isnt midwing design Sig Manufacturing deserving special kudos Aces collaboration buddy-corded radios set up two nocharge flying lesson sites radio control control line queues both sites mostly young aspirants better perpetuate hobby Sundays final show came off cloudbursts Joe Schumacher now has 111/2 months complete construction dry out otherwise superlative Expo site Also North East Polk County airport have able accept air-traveling Expo visitors year will able more-settled Expo opens its gates again next August third though seventh Without doubt aeromodeling all-encompassing hobbies Its elements include sophisticated aeronautical design handcrafting highest level operating skills application exceeding professionals competition dozen affiliated categories technical involvement mechanical electrical radio devices useful applications non-hobby world Depending far ones interests reach can administrative participation affairs 160000member fraternity scrimmaging flying space under sun prominent hobby has distinguished catalysts such late Carl Goldberg Byron Godbersen such catalyst deserves respect appreciation also pioneering ideas Giant Scale models propulsion understand Byron surely eligible subscriber Modem Maturity has health problems recent years May behalf modelers extend best wishes continued progress toward full recovery oaring/Blakeslee Continued page 87 Fuselage Research full-scale sailplane fuselage design shows proper nose curvature can greatly reduce fuselage drag cruise thermal flight modes same principles applied Opus 750 Substantial nose drop alleviates flow separation leadingedge wing root thermal flight mode Extensive juncture fillets around wing/ body intersection bowing tailboom low cross-sectional area fuselage servos mounted line ensure lowest possible fuselage drag conventional configuration Note nose droop has practical dividend landing nose droop prevents flaps coming direct contact groundworry no about stripping servo gears Tiplets Wingtips Tiplets derivative Schuemann planform incorporated improved handling Tiplets also improve behavior laminar separation bubble Specifically low Reynolds numbers tiplet sweepback case leading edge sweepback trailing edge no sweepback confines large areas laminar separation tip regions preventing laminar separation bubble migrating inboard increasing bubble size over main wing panel Low-loss sharp-edged wingtips employed increase effective span improved launch climb performance over sailplanes conventional rounded tips noticeable Stabilator stabilator planform Opus 750 designed increase effective moment corresponding increase fuselage tail boom length its associated weight nose counterweight effective moment increase achieved employing Continued page 120 FUN WITH FREE FLIGHT SPORT&$1095 SCALEPLANES95 mer made rubber ower FLYING ACES MOTH 24 nch wingspan easily adaptable o smauesectricPRAIRIE BIRD embryo l6inch wingspan$1095 O NITE 28 P-30 28 inch wingspan suitable CO2 walnut scale 17/ inch winsnan SEND FOR OUR FULL CATALOG Uoo 4 DahD*Iakamn PO Box 710399-MA SANTEE CA 92072-0399 i U~WIq-VqyfqqqTEL 619 448-1818FAX 619 448-1833 114 Model Aviation
Edition: Model Aviation - 1994/02
Page Numbers: 71, 72, 73, 74, 106, 114
NO OCR TEXT stunning pyrotechnic displays Hornet has just attacked Zero Mustang gives chase Downpours cant dampen spirits Byron Expo 93 IDA GROVE IOWA home Byron Godbersen industrialist founder modeling products bear name 1982 Byrons inventive mind spawned idea using portion considerable estate mammoth RC show course would special flying site hard runway other full-scale airport amenities just modelers invitational Byron envisioned diversified aviation festival brimming such features full-scale air show action-packed modeling drama recalling phases World War LI Pacific ory Sea Edward R Murrow dubbed spectacular video furious bombardment /5-scale replica US-held island base set mini-ocean has thrilled viewers nationwide say Byrons event success would gross understatement Byron Expo its 1/5 Airforce grew bigger sophisticated year Byrons chief impresario friend Joe Schumacher full-scale aerobatic pilot super organizer turned Byrons visions reality create simulation Byrons modeling engineers built such notfor-sale models B-24 B-17 B-29 30-foot wing also built some mini ocean-going PT boats quartet self-propelled Sherman tanks adult driver could just barely squeeze addition built two aircraft carriers scale version USS Hornet Japanese flattop miniature island fuel storage complex served railroad tanker cars adjacent island Mt Surabachi completed Pacific landscape war simulation comes life Expo day 45 minutes Over pa system eavesdrop Japanese attack plan see first 1/5 scale Byron Zero overflying Hornet Soon hell breaks loose bomb explosions reverberate across packed bleachers Huge fire spouts signal Japanese hits heavy attack fire heard Japanese fiattop moves behind island Now American /s scale Airforce goes work 72 Model Aviation * Approximately 1/3 presently Co nst ru cted bleachers will added next years Expo Byron P-S Corsairs Thunderbolts Helicats Warhawks well B-25s hunt Rising Sun navy Pretty soon water around flattop blazing inferno superb narrator Jerry Schumacher reminds audience war seems spectacular audience seated safely bleachers real war living hell resulting physical psychological damage Striking Backs purpose certainly glorify war May show serve reminder terrible war can mass destruction can averted Isnt warfare ultimate proof man own worst enemy After brief lull mock battle gigantic B-29 streaks down runway ever gracefully lifts air Some us might remember August 6 1945 Enola Gay sent Hiroshima never-to-be-forgotten consequences As Byron B-29 circles behind Hornet massive explosion thunders across battle scene simulating fatal mushroom cloud smoke clears five decorated former Marines erect Old Glory atop simulated Mount Surabachi introduced reminded Byron Godbersen himself served paratrooper first saw stirring show Ida Grove 1987 required two pilots separate RC transmitters fly B-29 Modem 10-channel technology has made possible just very skilled pilot control mammoth model During last couple packed Byron Extravaganzas need site accessible expanding modeling fraternity became evident Ida Grove 1991 Mr Godbersen decided allow set moved Byron Originals continuing part sponsors Byrons stipulation new site remain February 1994 73 Christen Eagle Bob Snyder Sukhoi John Dalton Beech D-18 Al Ward DC-3 exemplifies quality models Byron Expo Iowa course Joe Schumacher would carry shows general manager no show 1992 due site search efforts financial backing pursuits Because convention-like economic impact hosting communities understandable competition Joe Schumacher choose Ankeny Des Moines suburb formed nonprofit corporation representing local government business interests Joe planned 1993 opening until rains came Midwest trip Des Moines could see problems Joe encountered lakes maps showed could see neat rows semi-drowned seedlings popping up through surface Joe told us escorted trailers special permits haul 24-foot wide sections flattops across 175 miles Iowa roads After arriving new Expo site took D-8 bulldozers spot trailers soggy soil could unloaded way Joe talked models could almost have floated off trailers know feeling car became mired swampy parking field pulled out good Samaritan refused accept towing fees course 1993 August opening date targeted months advance Program literature also showing yet-tobe-completed Polk County airport adjacent Expo site already distributed WRAM Toledo trade shows Air show performers officials exhibitors concessionaires army employees volunteers sorted out computer printouts probably Expo items remained dry So four weeks before opening day concerned Joe called directors meeting announce battle seemed hopeless recommend 1993 show scrubbed No way said directors show must go reserves brought Polk County officials unleashed countys construction vehicles reinforced local contractors rain stayed away just long enough let concrete poured bleachers runway ten days before ribbon-cutting Opening day dawned everybodys hopes sky high Caravans RVs managed park Expo began following night gang cumulonimbus clouds did its dirty work soaking rain Thursday caused entire show cancelled An indomitable Joe became road-maintenance chief hired trucks road graders workuntil-you-finish basis clouds accommodatingly stayed away Friday 13th Expo day number three crowds motored thousands fly-your-own periods Texan pylon races air show Striking Back pageant came off about hour late May add superblyhandled transmitter impound resulted zero radio casualties Some spectators including myself caught audio portion Striking Back battle Reason beyond line sight next parked mud-mired conveyances Again Joe super-willing staff mastered moment enlisting halfContinued page 106 74 Model Aviation props separate flying times scheduled dayThe Junior Airforce ready AMA FAA licenses Flight line management efficientrequired up-and-coming pilots B-29 Enola Gay takes off re-enacts final phase WW II #101 Extra Hands below Makes covering easy #401 Digger left Easiest use hinging tool available $335 ELDON J LIND COMPANY 3151 Caravelle Lake Havasu City AZ 86406 602 453-7970 Send self-addressed stamped envelope br catalog products MIC & Visa accepted Smoke/Berman Continued paqe 74 dozen AT V-type tow vehicles extricate stranded though task lasted well evening hours surely good bath later involved sunny Saturday morning gave RC modelers plenty flying time Genial Jim Van Loo intrepid model aviation activist perfect announcer Jim past president IMAA just about models brought Aviation Expo 375 registered pilots biggies Jim knows talk pilots retired FAA controller went model kit manufacturing business RC Extras Now Jim really retired purely enjoys comradeship rest us modelers May add feeling mutual Toward noon sky darkened ominously expected repeat recent Iowa rain scenario after brief shower sun beamed kindly rest days Expo activities except parking plan Joe wanted no repeat Friday 13th 50 arranged detour vehicles dry schoolyard few miles away convoy quickly-recruited school buses delivered visitors Expo site local constabulary entered festival spirit tagging hundreds fourwheelers parked along access roads byways Much flying superb chap named Bubba Spivey really put Lanier Stinger through its paces lomcevaks Ace four-man team doing fancy formation maneuvers Big Bingos Don Muddimans Cloud Dancers usual took model flying edge Dons fantastic 40-size Flying Machine probably smallest model Expo gyrated around sky though possessed demons miraculously landed intact purposely deadsticked half-a-dozen RC parachutists plummeted twin-engine RC model SEA CRUISER AVAILABLE IN TWO SIZES 59 Wingspan 40 51 PWR $9895 49 Wingspan 20 28 PWR $6995 Outperforms Most 40 Sizes EASY BUILDING TH FLYING KITS FEATURE Cut/Sanded Parts Complete Hardware Package Rolled Plans Semi-Symmetrical Airfoil Step Step Instructions Photos Requires Standard 4 Oh Radio mothership landing controllers arms spite stiff crosswind Full-scale airshows always favorite crowds Des Moines Aviation Expo something like nine-course menu least three parachute clubs jumped about 20 chutists landing skateboard strapped feet Others colored smoke canisters draped beneath stirring sight 25-foot American flag unfurled tow chute-harnessed drum major Liberty Parachute Team nostalgia full-scale biplanes perpetuated Expo Christen Eagles trio precision aerobatic pilots constantly flirt midairs during routine Twenty-two years surviving antics ought make eligible some sort life insurance Mighty Mouse would have appropriate moniker BD-5J microjet flown Bill Beardsley Spectators blinked would have missed seeing mini-missile Interestingly Bills dad announcer Bills act included radio patch cockpit PA system P-41 Mustang General Regis Urschler comedy Cub routine Captain Jim Mynning performance Otto clown $160000 worth helicopter added crowds entertainment Otto could dump pick up highway safety barrels getting out cockpit course Civilian-plus-aerobatic-pilot ace Clint McHenry really thrashed miracle Russian stunt bird Sukhoi 26M Clint 67 years old centrifuge-like gravity forces dont seem effect bloodstream 1988 first met Clint International Aerobatic Competition Red Deer Alberta American teammate Henry Haigh flying Extra 230s Russians three Sukhoi also lost American team So bill Sukhoi worlds potent aerobatic plane radial nine versus flat six Continued page 114 HANGAR DESIGNS ORDER YOURS TODAY SEND TO 2 Raccoon Court Include $500 S & H Kit Jacksonville AR 72076 Check MO-US Funds COD $400 Extra INFO 501 834-8177 Send SASE 106 Model Aviation ______________________________________________________ ____________________________________ I SERIOUS MODEL BUILDERS Build entire basic assembly before gluing tast easy accurate straight Without access #5GM- $10885 access #5005 $191A0 *ZUZ Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 NEED RIC AccEssoRiEs FLY TO HITEc RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# NILi 6 Buffered Y harness 7354# Li 12 Aileron Extension 7345# 24 Aileron Extension 7346# 6 Buffered Servo Coan 7356# LIJiiz 9 Male Servo Coan 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 7215# Please specify connector type orderi ng Part #followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 619 258-4940 Smoke/Berman Continued paqe 106 maybe Sukhoi isnt midwing design Sig Manufacturing deserving special kudos Aces collaboration buddy-corded radios set up two nocharge flying lesson sites radio control control line queues both sites mostly young aspirants better perpetuate hobby Sundays final show came off cloudbursts Joe Schumacher now has 111/2 months complete construction dry out otherwise superlative Expo site Also North East Polk County airport have able accept air-traveling Expo visitors year will able more-settled Expo opens its gates again next August third though seventh Without doubt aeromodeling all-encompassing hobbies Its elements include sophisticated aeronautical design handcrafting highest level operating skills application exceeding professionals competition dozen affiliated categories technical involvement mechanical electrical radio devices useful applications non-hobby world Depending far ones interests reach can administrative participation affairs 160000member fraternity scrimmaging flying space under sun prominent hobby has distinguished catalysts such late Carl Goldberg Byron Godbersen such catalyst deserves respect appreciation also pioneering ideas Giant Scale models propulsion understand Byron surely eligible subscriber Modem Maturity has health problems recent years May behalf modelers extend best wishes continued progress toward full recovery oaring/Blakeslee Continued page 87 Fuselage Research full-scale sailplane fuselage design shows proper nose curvature can greatly reduce fuselage drag cruise thermal flight modes same principles applied Opus 750 Substantial nose drop alleviates flow separation leadingedge wing root thermal flight mode Extensive juncture fillets around wing/ body intersection bowing tailboom low cross-sectional area fuselage servos mounted line ensure lowest possible fuselage drag conventional configuration Note nose droop has practical dividend landing nose droop prevents flaps coming direct contact groundworry no about stripping servo gears Tiplets Wingtips Tiplets derivative Schuemann planform incorporated improved handling Tiplets also improve behavior laminar separation bubble Specifically low Reynolds numbers tiplet sweepback case leading edge sweepback trailing edge no sweepback confines large areas laminar separation tip regions preventing laminar separation bubble migrating inboard increasing bubble size over main wing panel Low-loss sharp-edged wingtips employed increase effective span improved launch climb performance over sailplanes conventional rounded tips noticeable Stabilator stabilator planform Opus 750 designed increase effective moment corresponding increase fuselage tail boom length its associated weight nose counterweight effective moment increase achieved employing Continued page 120 FUN WITH FREE FLIGHT SPORT&$1095 SCALEPLANES95 mer made rubber ower FLYING ACES MOTH 24 nch wingspan easily adaptable o smauesectricPRAIRIE BIRD embryo l6inch wingspan$1095 O NITE 28 P-30 28 inch wingspan suitable CO2 walnut scale 17/ inch winsnan SEND FOR OUR FULL CATALOG Uoo 4 DahD*Iakamn PO Box 710399-MA SANTEE CA 92072-0399 i U~WIq-VqyfqqqTEL 619 448-1818FAX 619 448-1833 114 Model Aviation
Edition: Model Aviation - 1994/02
Page Numbers: 71, 72, 73, 74, 106, 114
NO OCR TEXT stunning pyrotechnic displays Hornet has just attacked Zero Mustang gives chase Downpours cant dampen spirits Byron Expo 93 IDA GROVE IOWA home Byron Godbersen industrialist founder modeling products bear name 1982 Byrons inventive mind spawned idea using portion considerable estate mammoth RC show course would special flying site hard runway other full-scale airport amenities just modelers invitational Byron envisioned diversified aviation festival brimming such features full-scale air show action-packed modeling drama recalling phases World War LI Pacific ory Sea Edward R Murrow dubbed spectacular video furious bombardment /5-scale replica US-held island base set mini-ocean has thrilled viewers nationwide say Byrons event success would gross understatement Byron Expo its 1/5 Airforce grew bigger sophisticated year Byrons chief impresario friend Joe Schumacher full-scale aerobatic pilot super organizer turned Byrons visions reality create simulation Byrons modeling engineers built such notfor-sale models B-24 B-17 B-29 30-foot wing also built some mini ocean-going PT boats quartet self-propelled Sherman tanks adult driver could just barely squeeze addition built two aircraft carriers scale version USS Hornet Japanese flattop miniature island fuel storage complex served railroad tanker cars adjacent island Mt Surabachi completed Pacific landscape war simulation comes life Expo day 45 minutes Over pa system eavesdrop Japanese attack plan see first 1/5 scale Byron Zero overflying Hornet Soon hell breaks loose bomb explosions reverberate across packed bleachers Huge fire spouts signal Japanese hits heavy attack fire heard Japanese fiattop moves behind island Now American /s scale Airforce goes work 72 Model Aviation * Approximately 1/3 presently Co nst ru cted bleachers will added next years Expo Byron P-S Corsairs Thunderbolts Helicats Warhawks well B-25s hunt Rising Sun navy Pretty soon water around flattop blazing inferno superb narrator Jerry Schumacher reminds audience war seems spectacular audience seated safely bleachers real war living hell resulting physical psychological damage Striking Backs purpose certainly glorify war May show serve reminder terrible war can mass destruction can averted Isnt warfare ultimate proof man own worst enemy After brief lull mock battle gigantic B-29 streaks down runway ever gracefully lifts air Some us might remember August 6 1945 Enola Gay sent Hiroshima never-to-be-forgotten consequences As Byron B-29 circles behind Hornet massive explosion thunders across battle scene simulating fatal mushroom cloud smoke clears five decorated former Marines erect Old Glory atop simulated Mount Surabachi introduced reminded Byron Godbersen himself served paratrooper first saw stirring show Ida Grove 1987 required two pilots separate RC transmitters fly B-29 Modem 10-channel technology has made possible just very skilled pilot control mammoth model During last couple packed Byron Extravaganzas need site accessible expanding modeling fraternity became evident Ida Grove 1991 Mr Godbersen decided allow set moved Byron Originals continuing part sponsors Byrons stipulation new site remain February 1994 73 Christen Eagle Bob Snyder Sukhoi John Dalton Beech D-18 Al Ward DC-3 exemplifies quality models Byron Expo Iowa course Joe Schumacher would carry shows general manager no show 1992 due site search efforts financial backing pursuits Because convention-like economic impact hosting communities understandable competition Joe Schumacher choose Ankeny Des Moines suburb formed nonprofit corporation representing local government business interests Joe planned 1993 opening until rains came Midwest trip Des Moines could see problems Joe encountered lakes maps showed could see neat rows semi-drowned seedlings popping up through surface Joe told us escorted trailers special permits haul 24-foot wide sections flattops across 175 miles Iowa roads After arriving new Expo site took D-8 bulldozers spot trailers soggy soil could unloaded way Joe talked models could almost have floated off trailers know feeling car became mired swampy parking field pulled out good Samaritan refused accept towing fees course 1993 August opening date targeted months advance Program literature also showing yet-tobe-completed Polk County airport adjacent Expo site already distributed WRAM Toledo trade shows Air show performers officials exhibitors concessionaires army employees volunteers sorted out computer printouts probably Expo items remained dry So four weeks before opening day concerned Joe called directors meeting announce battle seemed hopeless recommend 1993 show scrubbed No way said directors show must go reserves brought Polk County officials unleashed countys construction vehicles reinforced local contractors rain stayed away just long enough let concrete poured bleachers runway ten days before ribbon-cutting Opening day dawned everybodys hopes sky high Caravans RVs managed park Expo began following night gang cumulonimbus clouds did its dirty work soaking rain Thursday caused entire show cancelled An indomitable Joe became road-maintenance chief hired trucks road graders workuntil-you-finish basis clouds accommodatingly stayed away Friday 13th Expo day number three crowds motored thousands fly-your-own periods Texan pylon races air show Striking Back pageant came off about hour late May add superblyhandled transmitter impound resulted zero radio casualties Some spectators including myself caught audio portion Striking Back battle Reason beyond line sight next parked mud-mired conveyances Again Joe super-willing staff mastered moment enlisting halfContinued page 106 74 Model Aviation props separate flying times scheduled dayThe Junior Airforce ready AMA FAA licenses Flight line management efficientrequired up-and-coming pilots B-29 Enola Gay takes off re-enacts final phase WW II #101 Extra Hands below Makes covering easy #401 Digger left Easiest use hinging tool available $335 ELDON J LIND COMPANY 3151 Caravelle Lake Havasu City AZ 86406 602 453-7970 Send self-addressed stamped envelope br catalog products MIC & Visa accepted Smoke/Berman Continued paqe 74 dozen AT V-type tow vehicles extricate stranded though task lasted well evening hours surely good bath later involved sunny Saturday morning gave RC modelers plenty flying time Genial Jim Van Loo intrepid model aviation activist perfect announcer Jim past president IMAA just about models brought Aviation Expo 375 registered pilots biggies Jim knows talk pilots retired FAA controller went model kit manufacturing business RC Extras Now Jim really retired purely enjoys comradeship rest us modelers May add feeling mutual Toward noon sky darkened ominously expected repeat recent Iowa rain scenario after brief shower sun beamed kindly rest days Expo activities except parking plan Joe wanted no repeat Friday 13th 50 arranged detour vehicles dry schoolyard few miles away convoy quickly-recruited school buses delivered visitors Expo site local constabulary entered festival spirit tagging hundreds fourwheelers parked along access roads byways Much flying superb chap named Bubba Spivey really put Lanier Stinger through its paces lomcevaks Ace four-man team doing fancy formation maneuvers Big Bingos Don Muddimans Cloud Dancers usual took model flying edge Dons fantastic 40-size Flying Machine probably smallest model Expo gyrated around sky though possessed demons miraculously landed intact purposely deadsticked half-a-dozen RC parachutists plummeted twin-engine RC model SEA CRUISER AVAILABLE IN TWO SIZES 59 Wingspan 40 51 PWR $9895 49 Wingspan 20 28 PWR $6995 Outperforms Most 40 Sizes EASY BUILDING TH FLYING KITS FEATURE Cut/Sanded Parts Complete Hardware Package Rolled Plans Semi-Symmetrical Airfoil Step Step Instructions Photos Requires Standard 4 Oh Radio mothership landing controllers arms spite stiff crosswind Full-scale airshows always favorite crowds Des Moines Aviation Expo something like nine-course menu least three parachute clubs jumped about 20 chutists landing skateboard strapped feet Others colored smoke canisters draped beneath stirring sight 25-foot American flag unfurled tow chute-harnessed drum major Liberty Parachute Team nostalgia full-scale biplanes perpetuated Expo Christen Eagles trio precision aerobatic pilots constantly flirt midairs during routine Twenty-two years surviving antics ought make eligible some sort life insurance Mighty Mouse would have appropriate moniker BD-5J microjet flown Bill Beardsley Spectators blinked would have missed seeing mini-missile Interestingly Bills dad announcer Bills act included radio patch cockpit PA system P-41 Mustang General Regis Urschler comedy Cub routine Captain Jim Mynning performance Otto clown $160000 worth helicopter added crowds entertainment Otto could dump pick up highway safety barrels getting out cockpit course Civilian-plus-aerobatic-pilot ace Clint McHenry really thrashed miracle Russian stunt bird Sukhoi 26M Clint 67 years old centrifuge-like gravity forces dont seem effect bloodstream 1988 first met Clint International Aerobatic Competition Red Deer Alberta American teammate Henry Haigh flying Extra 230s Russians three Sukhoi also lost American team So bill Sukhoi worlds potent aerobatic plane radial nine versus flat six Continued page 114 HANGAR DESIGNS ORDER YOURS TODAY SEND TO 2 Raccoon Court Include $500 S & H Kit Jacksonville AR 72076 Check MO-US Funds COD $400 Extra INFO 501 834-8177 Send SASE 106 Model Aviation ______________________________________________________ ____________________________________ I SERIOUS MODEL BUILDERS Build entire basic assembly before gluing tast easy accurate straight Without access #5GM- $10885 access #5005 $191A0 *ZUZ Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 NEED RIC AccEssoRiEs FLY TO HITEc RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# NILi 6 Buffered Y harness 7354# Li 12 Aileron Extension 7345# 24 Aileron Extension 7346# 6 Buffered Servo Coan 7356# LIJiiz 9 Male Servo Coan 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 7215# Please specify connector type orderi ng Part #followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 619 258-4940 Smoke/Berman Continued paqe 106 maybe Sukhoi isnt midwing design Sig Manufacturing deserving special kudos Aces collaboration buddy-corded radios set up two nocharge flying lesson sites radio control control line queues both sites mostly young aspirants better perpetuate hobby Sundays final show came off cloudbursts Joe Schumacher now has 111/2 months complete construction dry out otherwise superlative Expo site Also North East Polk County airport have able accept air-traveling Expo visitors year will able more-settled Expo opens its gates again next August third though seventh Without doubt aeromodeling all-encompassing hobbies Its elements include sophisticated aeronautical design handcrafting highest level operating skills application exceeding professionals competition dozen affiliated categories technical involvement mechanical electrical radio devices useful applications non-hobby world Depending far ones interests reach can administrative participation affairs 160000member fraternity scrimmaging flying space under sun prominent hobby has distinguished catalysts such late Carl Goldberg Byron Godbersen such catalyst deserves respect appreciation also pioneering ideas Giant Scale models propulsion understand Byron surely eligible subscriber Modem Maturity has health problems recent years May behalf modelers extend best wishes continued progress toward full recovery oaring/Blakeslee Continued page 87 Fuselage Research full-scale sailplane fuselage design shows proper nose curvature can greatly reduce fuselage drag cruise thermal flight modes same principles applied Opus 750 Substantial nose drop alleviates flow separation leadingedge wing root thermal flight mode Extensive juncture fillets around wing/ body intersection bowing tailboom low cross-sectional area fuselage servos mounted line ensure lowest possible fuselage drag conventional configuration Note nose droop has practical dividend landing nose droop prevents flaps coming direct contact groundworry no about stripping servo gears Tiplets Wingtips Tiplets derivative Schuemann planform incorporated improved handling Tiplets also improve behavior laminar separation bubble Specifically low Reynolds numbers tiplet sweepback case leading edge sweepback trailing edge no sweepback confines large areas laminar separation tip regions preventing laminar separation bubble migrating inboard increasing bubble size over main wing panel Low-loss sharp-edged wingtips employed increase effective span improved launch climb performance over sailplanes conventional rounded tips noticeable Stabilator stabilator planform Opus 750 designed increase effective moment corresponding increase fuselage tail boom length its associated weight nose counterweight effective moment increase achieved employing Continued page 120 FUN WITH FREE FLIGHT SPORT&$1095 SCALEPLANES95 mer made rubber ower FLYING ACES MOTH 24 nch wingspan easily adaptable o smauesectricPRAIRIE BIRD embryo l6inch wingspan$1095 O NITE 28 P-30 28 inch wingspan suitable CO2 walnut scale 17/ inch winsnan SEND FOR OUR FULL CATALOG Uoo 4 DahD*Iakamn PO Box 710399-MA SANTEE CA 92072-0399 i U~WIq-VqyfqqqTEL 619 448-1818FAX 619 448-1833 114 Model Aviation
Edition: Model Aviation - 1994/02
Page Numbers: 71, 72, 73, 74, 106, 114
NO OCR TEXT stunning pyrotechnic displays Hornet has just attacked Zero Mustang gives chase Downpours cant dampen spirits Byron Expo 93 IDA GROVE IOWA home Byron Godbersen industrialist founder modeling products bear name 1982 Byrons inventive mind spawned idea using portion considerable estate mammoth RC show course would special flying site hard runway other full-scale airport amenities just modelers invitational Byron envisioned diversified aviation festival brimming such features full-scale air show action-packed modeling drama recalling phases World War LI Pacific ory Sea Edward R Murrow dubbed spectacular video furious bombardment /5-scale replica US-held island base set mini-ocean has thrilled viewers nationwide say Byrons event success would gross understatement Byron Expo its 1/5 Airforce grew bigger sophisticated year Byrons chief impresario friend Joe Schumacher full-scale aerobatic pilot super organizer turned Byrons visions reality create simulation Byrons modeling engineers built such notfor-sale models B-24 B-17 B-29 30-foot wing also built some mini ocean-going PT boats quartet self-propelled Sherman tanks adult driver could just barely squeeze addition built two aircraft carriers scale version USS Hornet Japanese flattop miniature island fuel storage complex served railroad tanker cars adjacent island Mt Surabachi completed Pacific landscape war simulation comes life Expo day 45 minutes Over pa system eavesdrop Japanese attack plan see first 1/5 scale Byron Zero overflying Hornet Soon hell breaks loose bomb explosions reverberate across packed bleachers Huge fire spouts signal Japanese hits heavy attack fire heard Japanese fiattop moves behind island Now American /s scale Airforce goes work 72 Model Aviation * Approximately 1/3 presently Co nst ru cted bleachers will added next years Expo Byron P-S Corsairs Thunderbolts Helicats Warhawks well B-25s hunt Rising Sun navy Pretty soon water around flattop blazing inferno superb narrator Jerry Schumacher reminds audience war seems spectacular audience seated safely bleachers real war living hell resulting physical psychological damage Striking Backs purpose certainly glorify war May show serve reminder terrible war can mass destruction can averted Isnt warfare ultimate proof man own worst enemy After brief lull mock battle gigantic B-29 streaks down runway ever gracefully lifts air Some us might remember August 6 1945 Enola Gay sent Hiroshima never-to-be-forgotten consequences As Byron B-29 circles behind Hornet massive explosion thunders across battle scene simulating fatal mushroom cloud smoke clears five decorated former Marines erect Old Glory atop simulated Mount Surabachi introduced reminded Byron Godbersen himself served paratrooper first saw stirring show Ida Grove 1987 required two pilots separate RC transmitters fly B-29 Modem 10-channel technology has made possible just very skilled pilot control mammoth model During last couple packed Byron Extravaganzas need site accessible expanding modeling fraternity became evident Ida Grove 1991 Mr Godbersen decided allow set moved Byron Originals continuing part sponsors Byrons stipulation new site remain February 1994 73 Christen Eagle Bob Snyder Sukhoi John Dalton Beech D-18 Al Ward DC-3 exemplifies quality models Byron Expo Iowa course Joe Schumacher would carry shows general manager no show 1992 due site search efforts financial backing pursuits Because convention-like economic impact hosting communities understandable competition Joe Schumacher choose Ankeny Des Moines suburb formed nonprofit corporation representing local government business interests Joe planned 1993 opening until rains came Midwest trip Des Moines could see problems Joe encountered lakes maps showed could see neat rows semi-drowned seedlings popping up through surface Joe told us escorted trailers special permits haul 24-foot wide sections flattops across 175 miles Iowa roads After arriving new Expo site took D-8 bulldozers spot trailers soggy soil could unloaded way Joe talked models could almost have floated off trailers know feeling car became mired swampy parking field pulled out good Samaritan refused accept towing fees course 1993 August opening date targeted months advance Program literature also showing yet-tobe-completed Polk County airport adjacent Expo site already distributed WRAM Toledo trade shows Air show performers officials exhibitors concessionaires army employees volunteers sorted out computer printouts probably Expo items remained dry So four weeks before opening day concerned Joe called directors meeting announce battle seemed hopeless recommend 1993 show scrubbed No way said directors show must go reserves brought Polk County officials unleashed countys construction vehicles reinforced local contractors rain stayed away just long enough let concrete poured bleachers runway ten days before ribbon-cutting Opening day dawned everybodys hopes sky high Caravans RVs managed park Expo began following night gang cumulonimbus clouds did its dirty work soaking rain Thursday caused entire show cancelled An indomitable Joe became road-maintenance chief hired trucks road graders workuntil-you-finish basis clouds accommodatingly stayed away Friday 13th Expo day number three crowds motored thousands fly-your-own periods Texan pylon races air show Striking Back pageant came off about hour late May add superblyhandled transmitter impound resulted zero radio casualties Some spectators including myself caught audio portion Striking Back battle Reason beyond line sight next parked mud-mired conveyances Again Joe super-willing staff mastered moment enlisting halfContinued page 106 74 Model Aviation props separate flying times scheduled dayThe Junior Airforce ready AMA FAA licenses Flight line management efficientrequired up-and-coming pilots B-29 Enola Gay takes off re-enacts final phase WW II #101 Extra Hands below Makes covering easy #401 Digger left Easiest use hinging tool available $335 ELDON J LIND COMPANY 3151 Caravelle Lake Havasu City AZ 86406 602 453-7970 Send self-addressed stamped envelope br catalog products MIC & Visa accepted Smoke/Berman Continued paqe 74 dozen AT V-type tow vehicles extricate stranded though task lasted well evening hours surely good bath later involved sunny Saturday morning gave RC modelers plenty flying time Genial Jim Van Loo intrepid model aviation activist perfect announcer Jim past president IMAA just about models brought Aviation Expo 375 registered pilots biggies Jim knows talk pilots retired FAA controller went model kit manufacturing business RC Extras Now Jim really retired purely enjoys comradeship rest us modelers May add feeling mutual Toward noon sky darkened ominously expected repeat recent Iowa rain scenario after brief shower sun beamed kindly rest days Expo activities except parking plan Joe wanted no repeat Friday 13th 50 arranged detour vehicles dry schoolyard few miles away convoy quickly-recruited school buses delivered visitors Expo site local constabulary entered festival spirit tagging hundreds fourwheelers parked along access roads byways Much flying superb chap named Bubba Spivey really put Lanier Stinger through its paces lomcevaks Ace four-man team doing fancy formation maneuvers Big Bingos Don Muddimans Cloud Dancers usual took model flying edge Dons fantastic 40-size Flying Machine probably smallest model Expo gyrated around sky though possessed demons miraculously landed intact purposely deadsticked half-a-dozen RC parachutists plummeted twin-engine RC model SEA CRUISER AVAILABLE IN TWO SIZES 59 Wingspan 40 51 PWR $9895 49 Wingspan 20 28 PWR $6995 Outperforms Most 40 Sizes EASY BUILDING TH FLYING KITS FEATURE Cut/Sanded Parts Complete Hardware Package Rolled Plans Semi-Symmetrical Airfoil Step Step Instructions Photos Requires Standard 4 Oh Radio mothership landing controllers arms spite stiff crosswind Full-scale airshows always favorite crowds Des Moines Aviation Expo something like nine-course menu least three parachute clubs jumped about 20 chutists landing skateboard strapped feet Others colored smoke canisters draped beneath stirring sight 25-foot American flag unfurled tow chute-harnessed drum major Liberty Parachute Team nostalgia full-scale biplanes perpetuated Expo Christen Eagles trio precision aerobatic pilots constantly flirt midairs during routine Twenty-two years surviving antics ought make eligible some sort life insurance Mighty Mouse would have appropriate moniker BD-5J microjet flown Bill Beardsley Spectators blinked would have missed seeing mini-missile Interestingly Bills dad announcer Bills act included radio patch cockpit PA system P-41 Mustang General Regis Urschler comedy Cub routine Captain Jim Mynning performance Otto clown $160000 worth helicopter added crowds entertainment Otto could dump pick up highway safety barrels getting out cockpit course Civilian-plus-aerobatic-pilot ace Clint McHenry really thrashed miracle Russian stunt bird Sukhoi 26M Clint 67 years old centrifuge-like gravity forces dont seem effect bloodstream 1988 first met Clint International Aerobatic Competition Red Deer Alberta American teammate Henry Haigh flying Extra 230s Russians three Sukhoi also lost American team So bill Sukhoi worlds potent aerobatic plane radial nine versus flat six Continued page 114 HANGAR DESIGNS ORDER YOURS TODAY SEND TO 2 Raccoon Court Include $500 S & H Kit Jacksonville AR 72076 Check MO-US Funds COD $400 Extra INFO 501 834-8177 Send SASE 106 Model Aviation ______________________________________________________ ____________________________________ I SERIOUS MODEL BUILDERS Build entire basic assembly before gluing tast easy accurate straight Without access #5GM- $10885 access #5005 $191A0 *ZUZ Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 NEED RIC AccEssoRiEs FLY TO HITEc RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# NILi 6 Buffered Y harness 7354# Li 12 Aileron Extension 7345# 24 Aileron Extension 7346# 6 Buffered Servo Coan 7356# LIJiiz 9 Male Servo Coan 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 7215# Please specify connector type orderi ng Part #followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 619 258-4940 Smoke/Berman Continued paqe 106 maybe Sukhoi isnt midwing design Sig Manufacturing deserving special kudos Aces collaboration buddy-corded radios set up two nocharge flying lesson sites radio control control line queues both sites mostly young aspirants better perpetuate hobby Sundays final show came off cloudbursts Joe Schumacher now has 111/2 months complete construction dry out otherwise superlative Expo site Also North East Polk County airport have able accept air-traveling Expo visitors year will able more-settled Expo opens its gates again next August third though seventh Without doubt aeromodeling all-encompassing hobbies Its elements include sophisticated aeronautical design handcrafting highest level operating skills application exceeding professionals competition dozen affiliated categories technical involvement mechanical electrical radio devices useful applications non-hobby world Depending far ones interests reach can administrative participation affairs 160000member fraternity scrimmaging flying space under sun prominent hobby has distinguished catalysts such late Carl Goldberg Byron Godbersen such catalyst deserves respect appreciation also pioneering ideas Giant Scale models propulsion understand Byron surely eligible subscriber Modem Maturity has health problems recent years May behalf modelers extend best wishes continued progress toward full recovery oaring/Blakeslee Continued page 87 Fuselage Research full-scale sailplane fuselage design shows proper nose curvature can greatly reduce fuselage drag cruise thermal flight modes same principles applied Opus 750 Substantial nose drop alleviates flow separation leadingedge wing root thermal flight mode Extensive juncture fillets around wing/ body intersection bowing tailboom low cross-sectional area fuselage servos mounted line ensure lowest possible fuselage drag conventional configuration Note nose droop has practical dividend landing nose droop prevents flaps coming direct contact groundworry no about stripping servo gears Tiplets Wingtips Tiplets derivative Schuemann planform incorporated improved handling Tiplets also improve behavior laminar separation bubble Specifically low Reynolds numbers tiplet sweepback case leading edge sweepback trailing edge no sweepback confines large areas laminar separation tip regions preventing laminar separation bubble migrating inboard increasing bubble size over main wing panel Low-loss sharp-edged wingtips employed increase effective span improved launch climb performance over sailplanes conventional rounded tips noticeable Stabilator stabilator planform Opus 750 designed increase effective moment corresponding increase fuselage tail boom length its associated weight nose counterweight effective moment increase achieved employing Continued page 120 FUN WITH FREE FLIGHT SPORT&$1095 SCALEPLANES95 mer made rubber ower FLYING ACES MOTH 24 nch wingspan easily adaptable o smauesectricPRAIRIE BIRD embryo l6inch wingspan$1095 O NITE 28 P-30 28 inch wingspan suitable CO2 walnut scale 17/ inch winsnan SEND FOR OUR FULL CATALOG Uoo 4 DahD*Iakamn PO Box 710399-MA SANTEE CA 92072-0399 i U~WIq-VqyfqqqTEL 619 448-1818FAX 619 448-1833 114 Model Aviation
Edition: Model Aviation - 1994/02
Page Numbers: 71, 72, 73, 74, 106, 114
NO OCR TEXT stunning pyrotechnic displays Hornet has just attacked Zero Mustang gives chase Downpours cant dampen spirits Byron Expo 93 IDA GROVE IOWA home Byron Godbersen industrialist founder modeling products bear name 1982 Byrons inventive mind spawned idea using portion considerable estate mammoth RC show course would special flying site hard runway other full-scale airport amenities just modelers invitational Byron envisioned diversified aviation festival brimming such features full-scale air show action-packed modeling drama recalling phases World War LI Pacific ory Sea Edward R Murrow dubbed spectacular video furious bombardment /5-scale replica US-held island base set mini-ocean has thrilled viewers nationwide say Byrons event success would gross understatement Byron Expo its 1/5 Airforce grew bigger sophisticated year Byrons chief impresario friend Joe Schumacher full-scale aerobatic pilot super organizer turned Byrons visions reality create simulation Byrons modeling engineers built such notfor-sale models B-24 B-17 B-29 30-foot wing also built some mini ocean-going PT boats quartet self-propelled Sherman tanks adult driver could just barely squeeze addition built two aircraft carriers scale version USS Hornet Japanese flattop miniature island fuel storage complex served railroad tanker cars adjacent island Mt Surabachi completed Pacific landscape war simulation comes life Expo day 45 minutes Over pa system eavesdrop Japanese attack plan see first 1/5 scale Byron Zero overflying Hornet Soon hell breaks loose bomb explosions reverberate across packed bleachers Huge fire spouts signal Japanese hits heavy attack fire heard Japanese fiattop moves behind island Now American /s scale Airforce goes work 72 Model Aviation * Approximately 1/3 presently Co nst ru cted bleachers will added next years Expo Byron P-S Corsairs Thunderbolts Helicats Warhawks well B-25s hunt Rising Sun navy Pretty soon water around flattop blazing inferno superb narrator Jerry Schumacher reminds audience war seems spectacular audience seated safely bleachers real war living hell resulting physical psychological damage Striking Backs purpose certainly glorify war May show serve reminder terrible war can mass destruction can averted Isnt warfare ultimate proof man own worst enemy After brief lull mock battle gigantic B-29 streaks down runway ever gracefully lifts air Some us might remember August 6 1945 Enola Gay sent Hiroshima never-to-be-forgotten consequences As Byron B-29 circles behind Hornet massive explosion thunders across battle scene simulating fatal mushroom cloud smoke clears five decorated former Marines erect Old Glory atop simulated Mount Surabachi introduced reminded Byron Godbersen himself served paratrooper first saw stirring show Ida Grove 1987 required two pilots separate RC transmitters fly B-29 Modem 10-channel technology has made possible just very skilled pilot control mammoth model During last couple packed Byron Extravaganzas need site accessible expanding modeling fraternity became evident Ida Grove 1991 Mr Godbersen decided allow set moved Byron Originals continuing part sponsors Byrons stipulation new site remain February 1994 73 Christen Eagle Bob Snyder Sukhoi John Dalton Beech D-18 Al Ward DC-3 exemplifies quality models Byron Expo Iowa course Joe Schumacher would carry shows general manager no show 1992 due site search efforts financial backing pursuits Because convention-like economic impact hosting communities understandable competition Joe Schumacher choose Ankeny Des Moines suburb formed nonprofit corporation representing local government business interests Joe planned 1993 opening until rains came Midwest trip Des Moines could see problems Joe encountered lakes maps showed could see neat rows semi-drowned seedlings popping up through surface Joe told us escorted trailers special permits haul 24-foot wide sections flattops across 175 miles Iowa roads After arriving new Expo site took D-8 bulldozers spot trailers soggy soil could unloaded way Joe talked models could almost have floated off trailers know feeling car became mired swampy parking field pulled out good Samaritan refused accept towing fees course 1993 August opening date targeted months advance Program literature also showing yet-tobe-completed Polk County airport adjacent Expo site already distributed WRAM Toledo trade shows Air show performers officials exhibitors concessionaires army employees volunteers sorted out computer printouts probably Expo items remained dry So four weeks before opening day concerned Joe called directors meeting announce battle seemed hopeless recommend 1993 show scrubbed No way said directors show must go reserves brought Polk County officials unleashed countys construction vehicles reinforced local contractors rain stayed away just long enough let concrete poured bleachers runway ten days before ribbon-cutting Opening day dawned everybodys hopes sky high Caravans RVs managed park Expo began following night gang cumulonimbus clouds did its dirty work soaking rain Thursday caused entire show cancelled An indomitable Joe became road-maintenance chief hired trucks road graders workuntil-you-finish basis clouds accommodatingly stayed away Friday 13th Expo day number three crowds motored thousands fly-your-own periods Texan pylon races air show Striking Back pageant came off about hour late May add superblyhandled transmitter impound resulted zero radio casualties Some spectators including myself caught audio portion Striking Back battle Reason beyond line sight next parked mud-mired conveyances Again Joe super-willing staff mastered moment enlisting halfContinued page 106 74 Model Aviation props separate flying times scheduled dayThe Junior Airforce ready AMA FAA licenses Flight line management efficientrequired up-and-coming pilots B-29 Enola Gay takes off re-enacts final phase WW II #101 Extra Hands below Makes covering easy #401 Digger left Easiest use hinging tool available $335 ELDON J LIND COMPANY 3151 Caravelle Lake Havasu City AZ 86406 602 453-7970 Send self-addressed stamped envelope br catalog products MIC & Visa accepted Smoke/Berman Continued paqe 74 dozen AT V-type tow vehicles extricate stranded though task lasted well evening hours surely good bath later involved sunny Saturday morning gave RC modelers plenty flying time Genial Jim Van Loo intrepid model aviation activist perfect announcer Jim past president IMAA just about models brought Aviation Expo 375 registered pilots biggies Jim knows talk pilots retired FAA controller went model kit manufacturing business RC Extras Now Jim really retired purely enjoys comradeship rest us modelers May add feeling mutual Toward noon sky darkened ominously expected repeat recent Iowa rain scenario after brief shower sun beamed kindly rest days Expo activities except parking plan Joe wanted no repeat Friday 13th 50 arranged detour vehicles dry schoolyard few miles away convoy quickly-recruited school buses delivered visitors Expo site local constabulary entered festival spirit tagging hundreds fourwheelers parked along access roads byways Much flying superb chap named Bubba Spivey really put Lanier Stinger through its paces lomcevaks Ace four-man team doing fancy formation maneuvers Big Bingos Don Muddimans Cloud Dancers usual took model flying edge Dons fantastic 40-size Flying Machine probably smallest model Expo gyrated around sky though possessed demons miraculously landed intact purposely deadsticked half-a-dozen RC parachutists plummeted twin-engine RC model SEA CRUISER AVAILABLE IN TWO SIZES 59 Wingspan 40 51 PWR $9895 49 Wingspan 20 28 PWR $6995 Outperforms Most 40 Sizes EASY BUILDING TH FLYING KITS FEATURE Cut/Sanded Parts Complete Hardware Package Rolled Plans Semi-Symmetrical Airfoil Step Step Instructions Photos Requires Standard 4 Oh Radio mothership landing controllers arms spite stiff crosswind Full-scale airshows always favorite crowds Des Moines Aviation Expo something like nine-course menu least three parachute clubs jumped about 20 chutists landing skateboard strapped feet Others colored smoke canisters draped beneath stirring sight 25-foot American flag unfurled tow chute-harnessed drum major Liberty Parachute Team nostalgia full-scale biplanes perpetuated Expo Christen Eagles trio precision aerobatic pilots constantly flirt midairs during routine Twenty-two years surviving antics ought make eligible some sort life insurance Mighty Mouse would have appropriate moniker BD-5J microjet flown Bill Beardsley Spectators blinked would have missed seeing mini-missile Interestingly Bills dad announcer Bills act included radio patch cockpit PA system P-41 Mustang General Regis Urschler comedy Cub routine Captain Jim Mynning performance Otto clown $160000 worth helicopter added crowds entertainment Otto could dump pick up highway safety barrels getting out cockpit course Civilian-plus-aerobatic-pilot ace Clint McHenry really thrashed miracle Russian stunt bird Sukhoi 26M Clint 67 years old centrifuge-like gravity forces dont seem effect bloodstream 1988 first met Clint International Aerobatic Competition Red Deer Alberta American teammate Henry Haigh flying Extra 230s Russians three Sukhoi also lost American team So bill Sukhoi worlds potent aerobatic plane radial nine versus flat six Continued page 114 HANGAR DESIGNS ORDER YOURS TODAY SEND TO 2 Raccoon Court Include $500 S & H Kit Jacksonville AR 72076 Check MO-US Funds COD $400 Extra INFO 501 834-8177 Send SASE 106 Model Aviation ______________________________________________________ ____________________________________ I SERIOUS MODEL BUILDERS Build entire basic assembly before gluing tast easy accurate straight Without access #5GM- $10885 access #5005 $191A0 *ZUZ Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 NEED RIC AccEssoRiEs FLY TO HITEc RCD FOR ALL YOUR ACCESSORY NEEDS 6 Y harness 7351# NILi 6 Buffered Y harness 7354# Li 12 Aileron Extension 7345# 24 Aileron Extension 7346# 6 Buffered Servo Coan 7356# LIJiiz 9 Male Servo Coan 7342# 9 Female shown 7343# Switch Harness w/Battery & Clip 7215# Please specify connector type orderi ng Part #followed Airt J Fut S HitecIRCD & JR ALSO AVAILABLE 50 ft Bulk Servo Wire 3001 Rubber Ducky Antenna 1125 Flight Preserver w/Velcro 8480 RCD 10729 Wheatlands Ave #C Santee CA 92071-2883 619 258-4940 Smoke/Berman Continued paqe 106 maybe Sukhoi isnt midwing design Sig Manufacturing deserving special kudos Aces collaboration buddy-corded radios set up two nocharge flying lesson sites radio control control line queues both sites mostly young aspirants better perpetuate hobby Sundays final show came off cloudbursts Joe Schumacher now has 111/2 months complete construction dry out otherwise superlative Expo site Also North East Polk County airport have able accept air-traveling Expo visitors year will able more-settled Expo opens its gates again next August third though seventh Without doubt aeromodeling all-encompassing hobbies Its elements include sophisticated aeronautical design handcrafting highest level operating skills application exceeding professionals competition dozen affiliated categories technical involvement mechanical electrical radio devices useful applications non-hobby world Depending far ones interests reach can administrative participation affairs 160000member fraternity scrimmaging flying space under sun prominent hobby has distinguished catalysts such late Carl Goldberg Byron Godbersen such catalyst deserves respect appreciation also pioneering ideas Giant Scale models propulsion understand Byron surely eligible subscriber Modem Maturity has health problems recent years May behalf modelers extend best wishes continued progress toward full recovery oaring/Blakeslee Continued page 87 Fuselage Research full-scale sailplane fuselage design shows proper nose curvature can greatly reduce fuselage drag cruise thermal flight modes same principles applied Opus 750 Substantial nose drop alleviates flow separation leadingedge wing root thermal flight mode Extensive juncture fillets around wing/ body intersection bowing tailboom low cross-sectional area fuselage servos mounted line ensure lowest possible fuselage drag conventional configuration Note nose droop has practical dividend landing nose droop prevents flaps coming direct contact groundworry no about stripping servo gears Tiplets Wingtips Tiplets derivative Schuemann planform incorporated improved handling Tiplets also improve behavior laminar separation bubble Specifically low Reynolds numbers tiplet sweepback case leading edge sweepback trailing edge no sweepback confines large areas laminar separation tip regions preventing laminar separation bubble migrating inboard increasing bubble size over main wing panel Low-loss sharp-edged wingtips employed increase effective span improved launch climb performance over sailplanes conventional rounded tips noticeable Stabilator stabilator planform Opus 750 designed increase effective moment corresponding increase fuselage tail boom length its associated weight nose counterweight effective moment increase achieved employing Continued page 120 FUN WITH FREE FLIGHT SPORT&$1095 SCALEPLANES95 mer made rubber ower FLYING ACES MOTH 24 nch wingspan easily adaptable o smauesectricPRAIRIE BIRD embryo l6inch wingspan$1095 O NITE 28 P-30 28 inch wingspan suitable CO2 walnut scale 17/ inch winsnan SEND FOR OUR FULL CATALOG Uoo 4 DahD*Iakamn PO Box 710399-MA SANTEE CA 92072-0399 i U~WIq-VqyfqqqTEL 619 448-1818FAX 619 448-1833 114 Model Aviation