Control Line Aerobatics Ted Fancher WELCOME back Stunt fans last column prior Nats issue parting comment promise discuss control handles ways affect Stunter fliesboth obvious some cases perhaps mysterious considerations As started outline data rapidly grew too voluminous covered partial column also became apparent some illustrations would necessary Since lacked time month prepare material properly since have some loose ends cover based previous columns have decided clean up leftovers now devote next two months control handles Octobers column P-factor gyro scopic precession coincidentally ap peared same month Windy Urtnow skis discussion supposedly same phenomenon Flying Models col umn Unfortunately other term gyroscopic precession seemed no common ground between two subject matters discussing yaw ef fects Windy deleterious affects rate turn Are two living same planet might well ask Continued page 169 Ted Fancher hard work 1984 Reno Nate plane spotless well-organ ized workshop wonder long took him straighten up photo Fanchers super-simple adjustabie-Icadout system holes drilled wing tip area tight fit short length brass tubing leadout brass tube moved hole-tohole untli desired line-sweep trim obtained short length bead-headed map pin soldered tubing makes handling tubing easier Note set holes thin slot has cut joining holesallows leadout wire pass Everybody loves Big Arts little girl MarleAdamisin L Some peopieeven thinkthe airplane 180K too itsan OrangeCrate beionglngto brother Denny Dennys planes feature high-aspect-ratIo wings Alan Reisinger R flew Excitation ii recent Northwest Re glonais won Advanced class although model destroyed gusty winds exited Four Leaf Clover second round Alan Vancouver British Columbia Canada contest used PAMPA skIll-level classification system instead Jr/SrIOpen 68 Model Aviation doors use fine-tooth blade saber law break wood veneer away wood frame scrap piece Thisel wood fragments glue off nd piece test fit opening f main door section Glue place md nail few 1-in paneling nails attach door panels other tart applying white glue 20-inch dge Butt panels together eanis over wax paper protect floor rive corrugated nails inch ront rear edges Have someone help urn doors over drive nails ither side Now set door unit its Larrow edge glue nail wood trim o front edge Use 3 Base Ranch leather Edge molding attach 1 rotruding above shelfs surface erve wheel stop Set shelf flat ie floor allow glue dry installed shelf 1-in gap reen shelf wail allowed run extension cords battery bargers aiso provided enough distance fit largest model between wail nd front trim Test models see depth will enough move e shelf out two inches Secure ielf small screws about inch om rear shelf Drill holes rackets use small angle braces setting up model layout [ternate high- 16w-wing models y different schemes determine what yout will get models ielf An easy-to-change wheel chock can made A- 1-in aluminum angle ock secure small screws ould able easily lift models over ie chocks Next line up chargers ansmitters model run em extension cord power bar ont use shelf flight case ep heavy items floor hope ideas will add pleas e working shop have rtalnly improved enjoyment model iilding next project desk file binet wont misplace letters L AerobaticslFancher ontinued page 68 addition just received very clever d well-thought-out letter Gary kers Riverside CA bemoaning fact iat just installed bellcrank new Stunter Up leadout ont such luminaries Bob aron Al Rabe Tom Dixon S1n owell published very suc ssful designs shocked read ty column suggested rong asked gue cheek ew ship destined failure since one-time Nats Stunt champ ay have natural laws aerody smics altered specifications Im almost sorry brought up lain Almost. quite sub ct aithough interesting assuming oportions far excess its importance event order toI hopeput rest Ill devote just few para graphs short discussion basic properties gyroscope admis sion Yes Gary can trim Stunt ship fly front Up line although will better trimmed built way rear Up line gyroscope exhibits two basic proper ties Gyroscopic Inertia GI Gyro scopic Precession GP GI property makes gyroscope appear defy gravity spinning mass resists efforts outside forces. including gravity. displace its plane rotation heavier mass greater rpm resists GI dominant force used primary stabilizing device airplanes space vehicles ocean liners down-to-earth example inertial affects spinning wheels bicycle faster go stable becomes Come stop falls over eliminate confusion between column Windys GI phenome non inhibits rate turn GP Windys analysis no less correct adding mass prop/spinner unitor increas ing rpmdoes retard rate turn Un fortunately mislabled force Gyroscopic Precession quickly touch base GP lets return briefly bike ride enlightening revelation Remember trying impress pre-teen heartthrob January1985 169 prowess riding Schwinn no hands Anybody could ride straight ahead good old GI work could make turns well Simply lean ing left right two-wheeled gyro obediently predictably followed suit weight created force caused wheels tilt despite iner tial reluctance force applied top wheels propagated movement same direction point 900 further plane rota tion thus turning wheel left leaned left vice versa Voila GP work None foregoing way alters position relative importance P-factor. ie much significant GP satisfy Garys inquiry however must state dealing area subtle trim refinements whole subject being better grist apres-Stunt pizza and-beer-getogether tear airplane apart start over material great very-fine-flying Stunters around world front Up lines Yes Gary did know being done Its just would have wee bit better built tother way As teaser think upcoming discussion control handles will show lot trim problems inveighing evils GP GI P-factor other such esoterica will shown correctable application thorough understanding three basics handie response rate control feel neutrality handle does lot just keep skinny wires cut ting sweaty palms Now Ive accused good friend Windy confusing Stunt world ly seems fair own up some unwar ranted overkill own part Knowing now Im sure itll come no surprise learn Ive got explanation Read last bit excuse Prior Reno Nats belabored problem density altitude debili tatmg affect would have conven tional Stunters Throughout land cry Helium Stunt head cheerleader Believing totally infallability wizened veteran both Stunt wars real airplanes vested six months life building vincible entry designed especially Renos thin air Off board 41 ounces air 43 off Reno . et day before competition beganthere join other superlights Windy Urtnowski Paul Walker opted fly older heavier ships rather ultralites convinced necessary Need less say exasperated least embarrassed after hue cry print What happened didnt need lighter ships did old planes apparently fly well Upon reflection feel following analysis merit First did fact have make some adjustments Almost everyone did fly faster either nitro Paul Walker Bob Whitely over 30o pitch prop both No competitive flying over five seconds lap Jim Casale consistently timed fast 45 seconds per lap max-length lines. incredible reflexes So part analysis correct What surprising pilots found themselves able flyand fly wellat such speeds Second never flew heat afternoon thus worst fears never realized time tried practice 100 0-plus afternoon heat fried good motor trying pull out enough oomph get through pattern third part analysis torical perspective past 10 years since inception PAMPAs influence 1974 Nats-level Stunt has become much competitive Realization need improved performance has made 60-plus-ounce 46-powered ship oversized overweight 35 ships type Stunt dinosaurs .an extinct species Inasmuch progression gradu al took kick head such Reno bring light overall improved wing power landings now almost universal among knowledgable Precision Aerobatic pilots Todays Stunt competitor admired ability adapt com petitive needs event nearly 15% reduction average wing loadings improved powerplants developed last 10 years made additional quantum im provements areas unnecessary order compete Renos high altitude deficiencies ultralights primar ily lack rigidity flying surfaces engine platform overcame possible ad vantage might have realized additional slight decrease loading Anybody want buy slightly used Stunt ship Write Flexi-Flier Aircraft Division 158 Flying Cloud Isle Foster City CA 94404 Attn Ted Fancher Head Designer CL ScalelBoss Continued page 69 stitched together Control surfaces such ailerons covered separately pattern necessarily matched main flying surface pattern After covering completed three methods ribs taped cobalt-blue tape usually left way Occasionally rib tapes paint ed match underlying fabric cover Sketch B shows two fabric color pat terns used five-color pattern 54 inches wide second four col ors 51 1/2 inches wide pattern repeats laterally shown Below col w~~cheveronmhobbyAl3rOdUCtSm PO Box 24800 Sandusky Ohio 44870 419 627-1877 Classic R/C Scale ssGRA 15 Wing Send20 forto 25 Engines Flyline Models Catalog Dealers & Distributors Welcomed Phone 703 273-9593 fLYLINE MODELS INC PO Baa 2136 Fairtax Virginia 22031 USA 170 Model Aviation
Edition: Model Aviation - 1985/01
Page Numbers: 68, 169, 170
Control Line Aerobatics Ted Fancher WELCOME back Stunt fans last column prior Nats issue parting comment promise discuss control handles ways affect Stunter fliesboth obvious some cases perhaps mysterious considerations As started outline data rapidly grew too voluminous covered partial column also became apparent some illustrations would necessary Since lacked time month prepare material properly since have some loose ends cover based previous columns have decided clean up leftovers now devote next two months control handles Octobers column P-factor gyro scopic precession coincidentally ap peared same month Windy Urtnow skis discussion supposedly same phenomenon Flying Models col umn Unfortunately other term gyroscopic precession seemed no common ground between two subject matters discussing yaw ef fects Windy deleterious affects rate turn Are two living same planet might well ask Continued page 169 Ted Fancher hard work 1984 Reno Nate plane spotless well-organ ized workshop wonder long took him straighten up photo Fanchers super-simple adjustabie-Icadout system holes drilled wing tip area tight fit short length brass tubing leadout brass tube moved hole-tohole untli desired line-sweep trim obtained short length bead-headed map pin soldered tubing makes handling tubing easier Note set holes thin slot has cut joining holesallows leadout wire pass Everybody loves Big Arts little girl MarleAdamisin L Some peopieeven thinkthe airplane 180K too itsan OrangeCrate beionglngto brother Denny Dennys planes feature high-aspect-ratIo wings Alan Reisinger R flew Excitation ii recent Northwest Re glonais won Advanced class although model destroyed gusty winds exited Four Leaf Clover second round Alan Vancouver British Columbia Canada contest used PAMPA skIll-level classification system instead Jr/SrIOpen 68 Model Aviation doors use fine-tooth blade saber law break wood veneer away wood frame scrap piece Thisel wood fragments glue off nd piece test fit opening f main door section Glue place md nail few 1-in paneling nails attach door panels other tart applying white glue 20-inch dge Butt panels together eanis over wax paper protect floor rive corrugated nails inch ront rear edges Have someone help urn doors over drive nails ither side Now set door unit its Larrow edge glue nail wood trim o front edge Use 3 Base Ranch leather Edge molding attach 1 rotruding above shelfs surface erve wheel stop Set shelf flat ie floor allow glue dry installed shelf 1-in gap reen shelf wail allowed run extension cords battery bargers aiso provided enough distance fit largest model between wail nd front trim Test models see depth will enough move e shelf out two inches Secure ielf small screws about inch om rear shelf Drill holes rackets use small angle braces setting up model layout [ternate high- 16w-wing models y different schemes determine what yout will get models ielf An easy-to-change wheel chock can made A- 1-in aluminum angle ock secure small screws ould able easily lift models over ie chocks Next line up chargers ansmitters model run em extension cord power bar ont use shelf flight case ep heavy items floor hope ideas will add pleas e working shop have rtalnly improved enjoyment model iilding next project desk file binet wont misplace letters L AerobaticslFancher ontinued page 68 addition just received very clever d well-thought-out letter Gary kers Riverside CA bemoaning fact iat just installed bellcrank new Stunter Up leadout ont such luminaries Bob aron Al Rabe Tom Dixon S1n owell published very suc ssful designs shocked read ty column suggested rong asked gue cheek ew ship destined failure since one-time Nats Stunt champ ay have natural laws aerody smics altered specifications Im almost sorry brought up lain Almost. quite sub ct aithough interesting assuming oportions far excess its importance event order toI hopeput rest Ill devote just few para graphs short discussion basic properties gyroscope admis sion Yes Gary can trim Stunt ship fly front Up line although will better trimmed built way rear Up line gyroscope exhibits two basic proper ties Gyroscopic Inertia GI Gyro scopic Precession GP GI property makes gyroscope appear defy gravity spinning mass resists efforts outside forces. including gravity. displace its plane rotation heavier mass greater rpm resists GI dominant force used primary stabilizing device airplanes space vehicles ocean liners down-to-earth example inertial affects spinning wheels bicycle faster go stable becomes Come stop falls over eliminate confusion between column Windys GI phenome non inhibits rate turn GP Windys analysis no less correct adding mass prop/spinner unitor increas ing rpmdoes retard rate turn Un fortunately mislabled force Gyroscopic Precession quickly touch base GP lets return briefly bike ride enlightening revelation Remember trying impress pre-teen heartthrob January1985 169 prowess riding Schwinn no hands Anybody could ride straight ahead good old GI work could make turns well Simply lean ing left right two-wheeled gyro obediently predictably followed suit weight created force caused wheels tilt despite iner tial reluctance force applied top wheels propagated movement same direction point 900 further plane rota tion thus turning wheel left leaned left vice versa Voila GP work None foregoing way alters position relative importance P-factor. ie much significant GP satisfy Garys inquiry however must state dealing area subtle trim refinements whole subject being better grist apres-Stunt pizza and-beer-getogether tear airplane apart start over material great very-fine-flying Stunters around world front Up lines Yes Gary did know being done Its just would have wee bit better built tother way As teaser think upcoming discussion control handles will show lot trim problems inveighing evils GP GI P-factor other such esoterica will shown correctable application thorough understanding three basics handie response rate control feel neutrality handle does lot just keep skinny wires cut ting sweaty palms Now Ive accused good friend Windy confusing Stunt world ly seems fair own up some unwar ranted overkill own part Knowing now Im sure itll come no surprise learn Ive got explanation Read last bit excuse Prior Reno Nats belabored problem density altitude debili tatmg affect would have conven tional Stunters Throughout land cry Helium Stunt head cheerleader Believing totally infallability wizened veteran both Stunt wars real airplanes vested six months life building vincible entry designed especially Renos thin air Off board 41 ounces air 43 off Reno . et day before competition beganthere join other superlights Windy Urtnowski Paul Walker opted fly older heavier ships rather ultralites convinced necessary Need less say exasperated least embarrassed after hue cry print What happened didnt need lighter ships did old planes apparently fly well Upon reflection feel following analysis merit First did fact have make some adjustments Almost everyone did fly faster either nitro Paul Walker Bob Whitely over 30o pitch prop both No competitive flying over five seconds lap Jim Casale consistently timed fast 45 seconds per lap max-length lines. incredible reflexes So part analysis correct What surprising pilots found themselves able flyand fly wellat such speeds Second never flew heat afternoon thus worst fears never realized time tried practice 100 0-plus afternoon heat fried good motor trying pull out enough oomph get through pattern third part analysis torical perspective past 10 years since inception PAMPAs influence 1974 Nats-level Stunt has become much competitive Realization need improved performance has made 60-plus-ounce 46-powered ship oversized overweight 35 ships type Stunt dinosaurs .an extinct species Inasmuch progression gradu al took kick head such Reno bring light overall improved wing power landings now almost universal among knowledgable Precision Aerobatic pilots Todays Stunt competitor admired ability adapt com petitive needs event nearly 15% reduction average wing loadings improved powerplants developed last 10 years made additional quantum im provements areas unnecessary order compete Renos high altitude deficiencies ultralights primar ily lack rigidity flying surfaces engine platform overcame possible ad vantage might have realized additional slight decrease loading Anybody want buy slightly used Stunt ship Write Flexi-Flier Aircraft Division 158 Flying Cloud Isle Foster City CA 94404 Attn Ted Fancher Head Designer CL ScalelBoss Continued page 69 stitched together Control surfaces such ailerons covered separately pattern necessarily matched main flying surface pattern After covering completed three methods ribs taped cobalt-blue tape usually left way Occasionally rib tapes paint ed match underlying fabric cover Sketch B shows two fabric color pat terns used five-color pattern 54 inches wide second four col ors 51 1/2 inches wide pattern repeats laterally shown Below col w~~cheveronmhobbyAl3rOdUCtSm PO Box 24800 Sandusky Ohio 44870 419 627-1877 Classic R/C Scale ssGRA 15 Wing Send20 forto 25 Engines Flyline Models Catalog Dealers & Distributors Welcomed Phone 703 273-9593 fLYLINE MODELS INC PO Baa 2136 Fairtax Virginia 22031 USA 170 Model Aviation
Edition: Model Aviation - 1985/01
Page Numbers: 68, 169, 170
Control Line Aerobatics Ted Fancher WELCOME back Stunt fans last column prior Nats issue parting comment promise discuss control handles ways affect Stunter fliesboth obvious some cases perhaps mysterious considerations As started outline data rapidly grew too voluminous covered partial column also became apparent some illustrations would necessary Since lacked time month prepare material properly since have some loose ends cover based previous columns have decided clean up leftovers now devote next two months control handles Octobers column P-factor gyro scopic precession coincidentally ap peared same month Windy Urtnow skis discussion supposedly same phenomenon Flying Models col umn Unfortunately other term gyroscopic precession seemed no common ground between two subject matters discussing yaw ef fects Windy deleterious affects rate turn Are two living same planet might well ask Continued page 169 Ted Fancher hard work 1984 Reno Nate plane spotless well-organ ized workshop wonder long took him straighten up photo Fanchers super-simple adjustabie-Icadout system holes drilled wing tip area tight fit short length brass tubing leadout brass tube moved hole-tohole untli desired line-sweep trim obtained short length bead-headed map pin soldered tubing makes handling tubing easier Note set holes thin slot has cut joining holesallows leadout wire pass Everybody loves Big Arts little girl MarleAdamisin L Some peopieeven thinkthe airplane 180K too itsan OrangeCrate beionglngto brother Denny Dennys planes feature high-aspect-ratIo wings Alan Reisinger R flew Excitation ii recent Northwest Re glonais won Advanced class although model destroyed gusty winds exited Four Leaf Clover second round Alan Vancouver British Columbia Canada contest used PAMPA skIll-level classification system instead Jr/SrIOpen 68 Model Aviation doors use fine-tooth blade saber law break wood veneer away wood frame scrap piece Thisel wood fragments glue off nd piece test fit opening f main door section Glue place md nail few 1-in paneling nails attach door panels other tart applying white glue 20-inch dge Butt panels together eanis over wax paper protect floor rive corrugated nails inch ront rear edges Have someone help urn doors over drive nails ither side Now set door unit its Larrow edge glue nail wood trim o front edge Use 3 Base Ranch leather Edge molding attach 1 rotruding above shelfs surface erve wheel stop Set shelf flat ie floor allow glue dry installed shelf 1-in gap reen shelf wail allowed run extension cords battery bargers aiso provided enough distance fit largest model between wail nd front trim Test models see depth will enough move e shelf out two inches Secure ielf small screws about inch om rear shelf Drill holes rackets use small angle braces setting up model layout [ternate high- 16w-wing models y different schemes determine what yout will get models ielf An easy-to-change wheel chock can made A- 1-in aluminum angle ock secure small screws ould able easily lift models over ie chocks Next line up chargers ansmitters model run em extension cord power bar ont use shelf flight case ep heavy items floor hope ideas will add pleas e working shop have rtalnly improved enjoyment model iilding next project desk file binet wont misplace letters L AerobaticslFancher ontinued page 68 addition just received very clever d well-thought-out letter Gary kers Riverside CA bemoaning fact iat just installed bellcrank new Stunter Up leadout ont such luminaries Bob aron Al Rabe Tom Dixon S1n owell published very suc ssful designs shocked read ty column suggested rong asked gue cheek ew ship destined failure since one-time Nats Stunt champ ay have natural laws aerody smics altered specifications Im almost sorry brought up lain Almost. quite sub ct aithough interesting assuming oportions far excess its importance event order toI hopeput rest Ill devote just few para graphs short discussion basic properties gyroscope admis sion Yes Gary can trim Stunt ship fly front Up line although will better trimmed built way rear Up line gyroscope exhibits two basic proper ties Gyroscopic Inertia GI Gyro scopic Precession GP GI property makes gyroscope appear defy gravity spinning mass resists efforts outside forces. including gravity. displace its plane rotation heavier mass greater rpm resists GI dominant force used primary stabilizing device airplanes space vehicles ocean liners down-to-earth example inertial affects spinning wheels bicycle faster go stable becomes Come stop falls over eliminate confusion between column Windys GI phenome non inhibits rate turn GP Windys analysis no less correct adding mass prop/spinner unitor increas ing rpmdoes retard rate turn Un fortunately mislabled force Gyroscopic Precession quickly touch base GP lets return briefly bike ride enlightening revelation Remember trying impress pre-teen heartthrob January1985 169 prowess riding Schwinn no hands Anybody could ride straight ahead good old GI work could make turns well Simply lean ing left right two-wheeled gyro obediently predictably followed suit weight created force caused wheels tilt despite iner tial reluctance force applied top wheels propagated movement same direction point 900 further plane rota tion thus turning wheel left leaned left vice versa Voila GP work None foregoing way alters position relative importance P-factor. ie much significant GP satisfy Garys inquiry however must state dealing area subtle trim refinements whole subject being better grist apres-Stunt pizza and-beer-getogether tear airplane apart start over material great very-fine-flying Stunters around world front Up lines Yes Gary did know being done Its just would have wee bit better built tother way As teaser think upcoming discussion control handles will show lot trim problems inveighing evils GP GI P-factor other such esoterica will shown correctable application thorough understanding three basics handie response rate control feel neutrality handle does lot just keep skinny wires cut ting sweaty palms Now Ive accused good friend Windy confusing Stunt world ly seems fair own up some unwar ranted overkill own part Knowing now Im sure itll come no surprise learn Ive got explanation Read last bit excuse Prior Reno Nats belabored problem density altitude debili tatmg affect would have conven tional Stunters Throughout land cry Helium Stunt head cheerleader Believing totally infallability wizened veteran both Stunt wars real airplanes vested six months life building vincible entry designed especially Renos thin air Off board 41 ounces air 43 off Reno . et day before competition beganthere join other superlights Windy Urtnowski Paul Walker opted fly older heavier ships rather ultralites convinced necessary Need less say exasperated least embarrassed after hue cry print What happened didnt need lighter ships did old planes apparently fly well Upon reflection feel following analysis merit First did fact have make some adjustments Almost everyone did fly faster either nitro Paul Walker Bob Whitely over 30o pitch prop both No competitive flying over five seconds lap Jim Casale consistently timed fast 45 seconds per lap max-length lines. incredible reflexes So part analysis correct What surprising pilots found themselves able flyand fly wellat such speeds Second never flew heat afternoon thus worst fears never realized time tried practice 100 0-plus afternoon heat fried good motor trying pull out enough oomph get through pattern third part analysis torical perspective past 10 years since inception PAMPAs influence 1974 Nats-level Stunt has become much competitive Realization need improved performance has made 60-plus-ounce 46-powered ship oversized overweight 35 ships type Stunt dinosaurs .an extinct species Inasmuch progression gradu al took kick head such Reno bring light overall improved wing power landings now almost universal among knowledgable Precision Aerobatic pilots Todays Stunt competitor admired ability adapt com petitive needs event nearly 15% reduction average wing loadings improved powerplants developed last 10 years made additional quantum im provements areas unnecessary order compete Renos high altitude deficiencies ultralights primar ily lack rigidity flying surfaces engine platform overcame possible ad vantage might have realized additional slight decrease loading Anybody want buy slightly used Stunt ship Write Flexi-Flier Aircraft Division 158 Flying Cloud Isle Foster City CA 94404 Attn Ted Fancher Head Designer CL ScalelBoss Continued page 69 stitched together Control surfaces such ailerons covered separately pattern necessarily matched main flying surface pattern After covering completed three methods ribs taped cobalt-blue tape usually left way Occasionally rib tapes paint ed match underlying fabric cover Sketch B shows two fabric color pat terns used five-color pattern 54 inches wide second four col ors 51 1/2 inches wide pattern repeats laterally shown Below col w~~cheveronmhobbyAl3rOdUCtSm PO Box 24800 Sandusky Ohio 44870 419 627-1877 Classic R/C Scale ssGRA 15 Wing Send20 forto 25 Engines Flyline Models Catalog Dealers & Distributors Welcomed Phone 703 273-9593 fLYLINE MODELS INC PO Baa 2136 Fairtax Virginia 22031 USA 170 Model Aviation