U Gary Shaw AUTOPILOT ARRIVES indicated April July 1994 columns introduced gentheman fromIsrael represents company involved developing electronics radio-controlled drones observed demonstration flight RC model autopilot installed After watching test aircraft fully recover numerous violent spins rolls dives stalls bad landings through handsoff use on-hoard autopilot began visualize scenarios revolutionary new safety tool might lend helping hand Student pilotsthose have yet master basic flightcame mind first next thought Giant Scale pilots could save investments avoid injuring ground due loss control signal device could assist racing models constant flight around course eliminate personal injury due control signal loss An autopilot could assist physically impaired control responses can small piece electronic wizardry useful applications Simple works watched flight demonstration months ago after receiving unit didnt waste time putting through some scenarios installed Great Planes Big Stick 60 equipped PCM 1024 OS 91 four-stroke Weighing about six ounces being just little longer cigarette pack unit fit easily between servos rear tank area Electronic installation snap used five Futaba J connectors labeled elevator plugs elevator receiver channel November 1994 21 Designed safety mind Millington Tennessee View Barnstormers field note wide taxi area safety Barnstormers flying field sets community standard fences open-fly areanice field 7 CJOULD BELIEVE. WORXIJ\IG CJrc-PILOT elevator out plugs elevator servo lead aileron plugs aileron receiver channel aileron out plugs aileron servo/s via Y-harness short extension mode plugs unused channel used retract channel Looking autopilot model can see conveniently located normal reverse switches control surface separate gain controls aileron elevator sets sensitivity autopilot switched assist mode via gear switch separate zeroing pots initially used match trimmed surface control positions receiver transmitter simply flips gear switch back forth turning pot until autopilot trim model trim cancel other out control surfaces no longer move retract switch flipped back forth After spending no 10 minutes installing autopilot simple breeze plenty time load up gear head field rest afternoon spent putting unit through its paces What slick piece gear sound like salesman its because Im impressed Armed stick position charts snaps spins lomcevaks etc did everything know fool autopilot essence system functions controlling both pitch roll elevator aileron activated through gear switch extra switch will work through PCM fail-safe fail-safe programmed turn gear switch signal lost few examples Turn unit through gear switch autopilot assists flying dampens elevator aileron control what set sensitivity lots surface movement very littlethe choice yours flying assist mode put model snap let go sticks model quickly returns straight level flight maintains attitude no matter what previous attitude Inverted say No problem let go sticks unit rolls model right-sideup continues flying level Cut power idle model assumes perfect rate wings-level descent youve ever seen letting aircraft stall Bank model hard over full power dont apply elevator completes perfect turn losing altitude Let go aileron control model rolls level Line up runway cut power idleor dead stick Regardless wind turbulence model stays level glides down perfect landing Only adjustments wind drift needed test fail-safe feature set fail safe stick positions 20% left aileron 25% elevator 30% power retract switch During straight level flight about 150 feet turned transmitter off model instantly reduced power entered shallow left bank slowly circled field Power adequate maintain altitude autopilot flew model sat back grass watched model fly itself next ten minutes Turning transmitter model returned straight flight functioned perfectly company markets marvel called BTA Automatic Piloting Systems Ltd has recently opened office Costa Mesa California think has applications safety bet first radio manufacturer incorporates technology receivers going make killing Ill say again am enthusiastic about product works can prevent aircraft loss injury ground can help anybody leam Next month Ill provide information buddy-box applications Madera racing applications Pylon Pattern new unit helicopters Barnstormer name newsletter forwarded hard-working members Millington Tennessee Barnstormers RIC Model Club President editor David Sinclair forwarded copy clubs April issue contained photos depicting several safety improvements recently made flying site site now boasts painted runway taxi lines protected pilot stations pit area safety fences covered frequency area carpeted work benches numerous picnic tables members guests Its well-thought-out developed safe flying site club should proud field previously recognized residents old public landfill eyesore has recently enjoyed growing public acceptance due part clubs involvement local charity events respect nearby neighbors excellent working relations between fields owners Browning-Ferris Industries club members age soaring real estate prices environmental regulation high development costs its nice know modelers industry still work together help promote develop safe flying sites Dave states club feels have bestand no doubt safestflying field Memphis area youre new existing club search creative ways obtain develop improve existing site consider contacting Dave before re-creating wheel can reach him mail 3598 Voltaire Aye Memphis TN 38128 Re-Tree-ving Models Suppose go field sunny afternoon shooting perfect approach experience misfortune sticking model high up trees r~ much lower last time flew field What would retrieve Shake tree climb dont try rock call tree surgeon wait wind blow model down Avid free fighter William Jenkins Memphis Tennessee offers unique story few solutions dilemma recent contest Memphis unusual accident took place did need happen Winds very gusty couple RC hand-launched gliders blown some nearby trees ring field contestant tried retrieve models throwing very heavy weight attached very heavy string over limb try shake model out tree helper tried catch weight coming down throw oaly missed weight struck him mouth doing considerable damage front teeth Using weighted-string idea itself bad idea Ive used several times myself however needs remember person throwing weight has vested interest tracking goes better position dodge should throwing arc up up away bring nearby Its bad idea have anyone else around tossing next afternoon friend went back woods within half hour came back two gliders course tracking retrieving free flight models years want admit have developed better system getting models down out trees Just round up tent poles have friends will let borrow start stacking top other until run out kind crimped end tape others side-by-side about eight 12 inches until have enough length reach model Push against model poles dislodge Its helpful have extra set eyes direct top end pole leaves branches tend obscure view Plan ahead aiming use lower branches along upper forks tree support since pole gets flimsier length Watch out model falls parallel note Williams letter jogged memory regarding segment December 1990 Safety column about death modeler attempting climb tree retrieve model author column time John Preston asked readers alternatives published submitted February 1991 column review two columns reveals novel idea dangerous using rifle shoot off branches hold stuck models Another idea tape sent John modeler Howard Baldwin Sacramento California John mentioned during full-scale airshow some demonstration flying done Capitol City Bamstormers tape apparently begins shot full-scale helicopter hovering over tree held Ugly Stick some kind An unknown person descended onto helicopters skids reached down plucked undamaged model tree Veiy risky expensive too common thank goodness Im sure have methods developed free stuck models over years Id love hear what forward ideas relatively soon after reading column Ill have just enough lead time consolidate responses report spring issue Until next month odel Aviation
Edition: Model Aviation - 1994/11
Page Numbers: 21, 22
U Gary Shaw AUTOPILOT ARRIVES indicated April July 1994 columns introduced gentheman fromIsrael represents company involved developing electronics radio-controlled drones observed demonstration flight RC model autopilot installed After watching test aircraft fully recover numerous violent spins rolls dives stalls bad landings through handsoff use on-hoard autopilot began visualize scenarios revolutionary new safety tool might lend helping hand Student pilotsthose have yet master basic flightcame mind first next thought Giant Scale pilots could save investments avoid injuring ground due loss control signal device could assist racing models constant flight around course eliminate personal injury due control signal loss An autopilot could assist physically impaired control responses can small piece electronic wizardry useful applications Simple works watched flight demonstration months ago after receiving unit didnt waste time putting through some scenarios installed Great Planes Big Stick 60 equipped PCM 1024 OS 91 four-stroke Weighing about six ounces being just little longer cigarette pack unit fit easily between servos rear tank area Electronic installation snap used five Futaba J connectors labeled elevator plugs elevator receiver channel November 1994 21 Designed safety mind Millington Tennessee View Barnstormers field note wide taxi area safety Barnstormers flying field sets community standard fences open-fly areanice field 7 CJOULD BELIEVE. WORXIJ\IG CJrc-PILOT elevator out plugs elevator servo lead aileron plugs aileron receiver channel aileron out plugs aileron servo/s via Y-harness short extension mode plugs unused channel used retract channel Looking autopilot model can see conveniently located normal reverse switches control surface separate gain controls aileron elevator sets sensitivity autopilot switched assist mode via gear switch separate zeroing pots initially used match trimmed surface control positions receiver transmitter simply flips gear switch back forth turning pot until autopilot trim model trim cancel other out control surfaces no longer move retract switch flipped back forth After spending no 10 minutes installing autopilot simple breeze plenty time load up gear head field rest afternoon spent putting unit through its paces What slick piece gear sound like salesman its because Im impressed Armed stick position charts snaps spins lomcevaks etc did everything know fool autopilot essence system functions controlling both pitch roll elevator aileron activated through gear switch extra switch will work through PCM fail-safe fail-safe programmed turn gear switch signal lost few examples Turn unit through gear switch autopilot assists flying dampens elevator aileron control what set sensitivity lots surface movement very littlethe choice yours flying assist mode put model snap let go sticks model quickly returns straight level flight maintains attitude no matter what previous attitude Inverted say No problem let go sticks unit rolls model right-sideup continues flying level Cut power idle model assumes perfect rate wings-level descent youve ever seen letting aircraft stall Bank model hard over full power dont apply elevator completes perfect turn losing altitude Let go aileron control model rolls level Line up runway cut power idleor dead stick Regardless wind turbulence model stays level glides down perfect landing Only adjustments wind drift needed test fail-safe feature set fail safe stick positions 20% left aileron 25% elevator 30% power retract switch During straight level flight about 150 feet turned transmitter off model instantly reduced power entered shallow left bank slowly circled field Power adequate maintain altitude autopilot flew model sat back grass watched model fly itself next ten minutes Turning transmitter model returned straight flight functioned perfectly company markets marvel called BTA Automatic Piloting Systems Ltd has recently opened office Costa Mesa California think has applications safety bet first radio manufacturer incorporates technology receivers going make killing Ill say again am enthusiastic about product works can prevent aircraft loss injury ground can help anybody leam Next month Ill provide information buddy-box applications Madera racing applications Pylon Pattern new unit helicopters Barnstormer name newsletter forwarded hard-working members Millington Tennessee Barnstormers RIC Model Club President editor David Sinclair forwarded copy clubs April issue contained photos depicting several safety improvements recently made flying site site now boasts painted runway taxi lines protected pilot stations pit area safety fences covered frequency area carpeted work benches numerous picnic tables members guests Its well-thought-out developed safe flying site club should proud field previously recognized residents old public landfill eyesore has recently enjoyed growing public acceptance due part clubs involvement local charity events respect nearby neighbors excellent working relations between fields owners Browning-Ferris Industries club members age soaring real estate prices environmental regulation high development costs its nice know modelers industry still work together help promote develop safe flying sites Dave states club feels have bestand no doubt safestflying field Memphis area youre new existing club search creative ways obtain develop improve existing site consider contacting Dave before re-creating wheel can reach him mail 3598 Voltaire Aye Memphis TN 38128 Re-Tree-ving Models Suppose go field sunny afternoon shooting perfect approach experience misfortune sticking model high up trees r~ much lower last time flew field What would retrieve Shake tree climb dont try rock call tree surgeon wait wind blow model down Avid free fighter William Jenkins Memphis Tennessee offers unique story few solutions dilemma recent contest Memphis unusual accident took place did need happen Winds very gusty couple RC hand-launched gliders blown some nearby trees ring field contestant tried retrieve models throwing very heavy weight attached very heavy string over limb try shake model out tree helper tried catch weight coming down throw oaly missed weight struck him mouth doing considerable damage front teeth Using weighted-string idea itself bad idea Ive used several times myself however needs remember person throwing weight has vested interest tracking goes better position dodge should throwing arc up up away bring nearby Its bad idea have anyone else around tossing next afternoon friend went back woods within half hour came back two gliders course tracking retrieving free flight models years want admit have developed better system getting models down out trees Just round up tent poles have friends will let borrow start stacking top other until run out kind crimped end tape others side-by-side about eight 12 inches until have enough length reach model Push against model poles dislodge Its helpful have extra set eyes direct top end pole leaves branches tend obscure view Plan ahead aiming use lower branches along upper forks tree support since pole gets flimsier length Watch out model falls parallel note Williams letter jogged memory regarding segment December 1990 Safety column about death modeler attempting climb tree retrieve model author column time John Preston asked readers alternatives published submitted February 1991 column review two columns reveals novel idea dangerous using rifle shoot off branches hold stuck models Another idea tape sent John modeler Howard Baldwin Sacramento California John mentioned during full-scale airshow some demonstration flying done Capitol City Bamstormers tape apparently begins shot full-scale helicopter hovering over tree held Ugly Stick some kind An unknown person descended onto helicopters skids reached down plucked undamaged model tree Veiy risky expensive too common thank goodness Im sure have methods developed free stuck models over years Id love hear what forward ideas relatively soon after reading column Ill have just enough lead time consolidate responses report spring issue Until next month odel Aviation